The Adjust Methods of Rotary Dryer Tug

Slime dryer can be considered a large industrial drying equipment, we must be cautious when buying , strictly check the quality and performance of the slime dryer. After the dryer manufacturers investigation our company carried out , we found that many customers in the process of using slime dryer, it is easy to overlook some of the small details, such as dryer bearing enough lubrication belt slack, dryer, tire and tugboat position improperly adjusted, these issues are often customers are ignored, but it is these glitches causing the dryer failure, for long periods of time to repair, slime dryer life will be greatly discount. Hengrui mechanical experts here to remind you, in the day-to-day production of slime dryer must attach great importance to it, so as not to bring troubles. The following adjustment in respect of the tugboat the position of the slime dryer, time for a detailed analysis, to help customers solve problems.
Sludge dryer and power unit should be securely installed. Fly ash dryer fixed long-term job, it should be fixed in the cement foundation; sludge dryer is a mobile operation, the unit should be installed in the chassis made  with angle iron, and to ensure that the power machine and pulverized coal gray dryer pulley groove is in the same rotational plane. The sludge dryer after installation to check ministries fasteners, tighten if loose to be. At the same time you want to check the belt tightness is appropriate. Before the start of the fly ash drying machine, first turn the rotor by hand, check teeth claw hammer and the rotor is flexible and reliable operation, shell or without collision phenomenon, whether the direction of rotation of the rotor and the machine direction of the arrow, the power machine and fly ash dryer lubrication is good. Do not replace the pulley, in case the speed is too high crushing chamber to produce an explosion, or the speed is too low to affect the efficiency of the sludge dryer. Idle  2 ~ 3min after the start of the sludge dryer , no anomalies before feeding. 

cone crusher manufacturer : http://www.ore-mills.com/cone-crusher.html
Sand washing equipment : http://www.best-crushers.com/sandwasher.htm
Ball Grinder : http://www.hxjqcrusher.com/crusher/ball-grinder.html

The Technology Content Ascension of Dryer Machine

In recent years, many domestic dryer equipment manufacturing enterprises have been aware of it, and increase investment in science and technology, and the pace of new product development, and achieved good results. Great attention to research and development of large-scale equipment, according to the industry needs to develop a large professional sets of processing equipment for the enterprise record impressive economic; adsorption drying technology jointly developed by universities, research institutes of the Chinese Academy of Forestry, etc., not only the end of the The adsorption drying machinery in China rely solely on the import of the situation, but also to break into the international market. The improvement of the scientific and technological content in the domestic dryer equipment has produced the gratifying results. "the company director said. Long time, my dryer equipment industry, small scale production, low barriers to entry, the overall technical content is not high. Industry-wide enterprises accounted for about 60% of the annual sales income of 500 million, only 5-8% of annual sales income of over $ 10 million manufacturer, product quality is generally low. "But now the situation is different. Entire industry is gradually bid farewell to the era of price competition, high value-added, high-tech products is becoming the backbone of the enterprise's core competitiveness dryer equipment. This also means that the pace of industry consolidation to accelerate technology competitiontake the powerful combination, and the road to survival of the fittest, breed strength of large enterprise groups in the industry, just around the corner. "At this point, he is full of confidence.
In addition, technological advances will also promote the export of our dryer equipment.Drying equipment in China has not yet formed the scale of export is less than 5% of the total export volume, and are mainly exported to Southeast Asia. According to authoritative forecasts, as technology development, drying equipment of China's exports in the next few years, the proportion of the total production will be 5% to 10% of the export market to expand to Europe and the United States will be in Southeast Asia.the new drying equipments our company poduced have the following types: new slime dryer, blue carbon dryer, the new mesh belt dryer, new rotary dryer, dry process rotary kiln, oxidized ore reduction rotary kiln adapted and so a full set of production equipment, mineral processing, cement, chemicals, agriculture, light industry and other fields, having more than 500 users at home and abroad ,and has been highly praised.

Cement plant : http://www.ore-machine.com/cement-mill.html

The High Efficiency Standard of Magnetic Separator

Amend the energy efficiency regulations and standards to create a favorable external environment, and promote the implementation of the ten key energy conservation projects.the amended Energy Conservation Law, the adoption of legislation to establish a strict management system and perfect the responsibilities of various actors, strengthening policy incentives, clear law enforcement body, increase disciplinary efforts. Want to pay close attention to the development and improve the access standards of major energy-consuming industries energy consumption, energy-saving design specifications, the main energy-consuming industrial equipment, motor vehicles, construction, household appliances, lighting equipment and other standard run energy equipment energy efficiency standards, as well as public buildings. Various regions to study the development of the region's major energy-consuming products and large public buildings energy consumption per unit limit.
Strengthen the energy conservation management of key energy-consuming enterprises, improve energy saving transformation enthusiasm. Key energy-consuming enterprises to conduct energy audits, preparation of energy-saving plan and its implementation program, the shortcomings of the standard, the development of energy-saving goals, establish energy accountability, improve energy management system, measures of implementation Festival Awards ultra penalty. Countries take communique, check, checks, Bulletin, exchange, tracking, guidance and supervision of enterprise energy, energy efficiency level to meet the requirements of the relevant government departments shall be ordered deadline for correction.
Our country has stepped up government efforts to support the ten key energy conservation projects, the establishment of a multi-channel energy financing mechanisms. the new dry-type magnetic separator of our company adopt the beneficiation water election, a sludge sewage, savings of water resources. GXC-8180-type primaries machine, for example, the annual savings of 600,000 tons of water. Many ways to reduce the cost of consumption, and also eliminates the need for the production of a sewage treatment trouble. In addition, as the machine take dynamic magnetic system design, mineral aggregate in the surface of the roller slide, displacement and roll, drum nonstick material, conducive material sorting, primary grade can be increased by 1-4 times, once Picks grade up to 60% or more, the new dry magnetic separation machine not only reduce costs, improve utilization of raw materials, has long been the technological innovation of the magnetic separator market, another market in the past to create a low-energy and efficient mileage.
The dry magnetic separation machine that ou company devoted themselves developped have the advantages of complete specifications, novel design, reliable performance, easy to operate, perfect testing methods and high quality after-sales service to ensure customers achieve maximum revenue with minimum investment, which is the ideal choice of the majority of investors.


Limestone Rod Mill : http://www.crusher-export.com/mineral-rod-mill.html

The Develop Trend of Hydraulic Cone Crusher

The high-performance hydraulic cone crusher our company produced is a kind of equipment that crusher customers like most . Hydraulic cone crusher not only absorbed the advantages of spring cone crusher, but also the use of a hydraulic system, thus, the frequent occurrence of the most "vexing boring car "phenomenon is improved . The "boring car" of crusher equipment, that is the collective internal material cloggs the crusher equipment, causing crusher equipment can not be normal discharge or does not work, if you do not timely treatment, to cause damage to the crusher equipment. Due to various reasons, even after a jaw crusher, coarse crushing and impact crusher broken, but there will still be some materials will become a "slip through the net, and if we can not arrive at its cone crusher into cleared before discharge port, then both may result in the emergence of the phenomenon of "boring car". Unique cone crusher structure, it is "the stuffy car" phenomenon appears in the crushing cavity, the materials will be stuck dead in the crushing chamber, if it is spring crusher to deal with clogged stone, you must want cone The crusher of the top cover is opened, remove the cause clogging material or it manually broken into a cone crusher crushing specifications. This one to one to have to waste a long time. Because of this blockage will cause the entire production line production disruptions, stop the longer the time, the economic losses caused by the greater. Of course, hydraulic cone crusher run into this problem, it automatically will cause clogging material top stone swap a position to be able to enter the crushing chamber.
With the development of hydraulic cone crusher technology,  the performance of hydraulic cone crusher have been significantly improved, hydraulic cone crusher models has developped from a single HP hydraulic cone crusher to the last ten several hydraulic cone crusher .Hydraulic cone crusher is more than you can easily adjust the the hydraulic spout size.More hydraulically actuated device the hydraulic regulating device, hydraulic insurance system, hydraulic transmission, allowing users to use them more at ease and convenient.
Hydraulic cone crusher manufacturers-our company is a famous enterprises, the advanced level cone crusher we developed are designed on the basis of adsorbing the world advanced crushing technology,so it is widely used in metallurgy, construction, utilities, transportation, chemical industry, building materials industry, suitable for crushing hard ores and the above medium hardness rocks. New hydraulic cone crusher is a high-performance cone crusher, in the design process, the speed and stroke are all received optimization combination , that is the crushing cavity optimized portfolio, and finally achieved intergranular laminating crushing significantly, improved yield , and product shape is also greatly improved .


Feeder Manufacturer : http://www.crusher-export.com/feeder.html

elevator bucket : http://www.ore-mills.com/bucket-elevator.html

Features Detail Analysis of Cone Crusher

After the performances of cone crusher are expanded, the update of these equipments are very fast, so as the progress of science and technology are promoted. Just because the vigorous promotion of science and technology ,cone crusher have a new breakthrough. Now,let me make a detail analysis on the advantages and disadvantages of the cone crusher advantages: 1, the vulnerability parts consumption less, low running costs, reasonable structure advanced cone crusher principle and technical parameters, reliable operation, low running costs, the crusher All parts are wear protection. 2, thin oil lubrication, reliable and advanced greatly increase the useful life of equipment to improve the life of a unique lubrication system design. High performance non-contact labyrinth seals wear improve blocking dust reliability, fundamentally eliminate the common failure of the original spring cone crusher oil water mix. 3, large crushing ratio, high production efficiency, higher speed and stroke combined rated power of the mountain climbers cone crusher and through the ability to greatly improve improve crushing ratio and production efficiency. 4, hydraulic protection and hydraulic cavity clearing, high degree of automation, reduce downtime hydraulic adjusting discharge opening and overload protection makes the cone crusher operation level is greatly improved to make maintenance easier, more convenient operation, less downtime, our company's bi-directional over PYD series spring Cone Crusher iron release hydraulic cylinder allows the iron through the crushing chamber under the iron and instantaneous stuffy car, the cone crusher, hydraulic top, automatic nesting greatly reduces the original spring the cone crusher shutdowns required to carry out artificial nesting trouble, many other manufacturers crusher always appear the phenomenon of downtime death due to excessive iron card. In addition, we all know that the crusher is widely used in mining, metallurgy, building materials, road, railway, water conservancy and chemical industry and many other sectors. Common crushing machines are winnowing mill, hammer crusher, impact crusher, roll crusher, compound crusher. Jaw crusher (jaw crusher), having large crushing ratio, uniform particle size, simple structure, reliable operation, easy maintenance, operating costs and economic characteristics. PF-I series impact crusher can process materials side length is 100 to 500 mm, the compressive strength is up to 350 MPa, great crushing ratio, cubic particles advantages of material was broken; PF-II series impact crusher machine, suitable for crushing hard materials, such as cement crusher, with a production capacity of the material advantages of small particle size.
Shortcoming
1, it is not suitable for crushing wet and sticky ore
2 , larger machine weight, heavier 1.7-2 times than the same sizable discharging mouth of jaw crusher, so the equipment investment fees are higher.
3, the cycles of the body is generally 2-3 times higher than the jaw crusher ,so that the plant's construction costs are high..

Impact Crushing Machine : http://www.hxjq-crushers.com/crusher-machine.html

The Design Method of Vibrating Screen Dynamic Design

With the further expansion of production, learning and research momentum, many domestic universities and research institutions joint domestic famous heavy industry enterprises for cooperation and development of mining machinery for many projects. Our company carried out the  jointly vibrating screen dynamic design study with  the other companies.
The finite element method and experimental modal analysis is the basic methods of structural dynamic design. Structural dynamic design of the basic process is as follows: According to the design task, product preliminary design, drawing frequencies and mode shapes of the structure diagram of the preliminary design until you meet the requirements. Secondly, based on theoretical calculations or experience estimated structural load by the experience of the assumption that the system damping, the dynamic response of the finite element model of computing systems above, including displacement, velocity, acceleration, deformation and stress, etc., verify meet response criteria. Such does not meet the sensitivity analysis to modify the finite element model, corrected mass matrix and modified stiffness matrix, re-calculation of the structural response, until you meet the requirements.
The theoretical modeling of structural dynamics analysis is the basic method of the vibrating screen dynamic design, finite element method for simple structure, vibrating screen for theoretical modeling can often get satisfactory results. For complex structures, such as multi-layer sieve, circular vibrating screen, although its preliminary analysis of the results of large deviation, but still can be used as an important reference for subsequent modal test response measured in the arrangement of measuring points, and can also be combined with experimental modal parameter correction and structural dynamics finite element model of the vibrating screen to modify. Structural finite element analysis is one of the important step of vibrating screen dynamic design.
 since the vibrating screen equipment birth, over a long period of development, it has been in continuous improvement and growing range of screening materials, some wet and the difficulty of screening materials, shaker difficult role to play, but after a Shanghai Hill Kai machinery Manufacturing Co., Ltd. technical staff have been efforts, Hill Kai vibrating screen has been screening all kinds of materials and wet materials dry sieving.

Seiko collection assembly and load commissioning equipment are required before these equipments are sent out the factory ,and all indicators should be checked qualified , after these equipments are shipped to the scene, the user should   check the entire machine according to the packing list and equipment invoices , whether the  technical documentation has flaws or not .

Feeder Manufacturer : http://www.crusher-export.com/feeder.html
Rotary kiln : http://www.best-crushers.com/rotarykiln.htm

Importance of Jaw Crusher in Ming Industry

Our company is a high-tech industrial milling equipment (mill) production-oriented enterprises which specializes in mining crushing equipment (crusher), building sand (sand making machine). The product design innovative ,  grinding efficiency is high, save consumption , compared with similar products with innovative metallurgical industry and various mineral grinding equipment. And strive to create the most cost-effective supplier of mining equipment industry! The jaw crusher is the most common in the industry of mining machinery and equipment, also indispensable crushing equipment, jaw crusher appeared in 1858, is an ancient crushing equipment, but because of its simple structure, reliable work, easy to manufacture, easy maintenance, and is still widely used metallurgical mining, building materials, chemical and railway departments. And mine for crushing work hard or medium hard ore coarse crushing and broken.
The jaw crusher is driven by an electric motor belt and pulley, the eccentric shaft  make the movable jaw do the up and down movement, when the movable jaw rises the angle between toggle plate and moving jaw becomes larger, thus promoting the movable jaw plate close to the fixed jaw plate, at the same time the purpose of the material is crushed or split pieces reach the broken when the movable jaw down, the angle between toggle plate and moving jaw smaller, movable jaw plate trolley, under the action of the spring, leave the fixed jaw plate, crushed materials discharged from the crushing chamber mouth. With the continuous rotation of the motor broken motor jaw periodically crushed and excreta material, to achieve mass production.

The  performance advantages of jaw breaker are the following:  first of all, the crushing chamber depth and no dead zone, increased capacity and output feed; broken than large, uniform particle size; Second gasket nesting population adjustment device, reliable and convenient, large adjustment range, and increase the flexibility of the device; re-lubrication system is safe and reliable, easy to replace parts, maintenance workload is small; simple structure, reliable operation and low operating costs. Equipment, energy saving: stand-alone energy-saving 15% to 30% energy saving system more than doubled; nesting population adjustment range, to meet the requirements of different users to;, low noise, less dust.
Jaw crusher adopted the  hydraulic safety device,  reliable , safe, and easy troubleshooting , crusher  generally use the special Babbitt's sliding bearing , the materials are more wear-resistant , and can withstand greater impact loads. Small jaw crusher always use the rolling bearings, transmission efficiency is  high, and easy maintenance. 

Ball mill : http://www.china-crusher.com/ball-mill5.html

raymond mill : http://www.ore-mills.com/raymond-mill.html

Water-saving Aspects of Dry Magnetic Separator

According to the survey, the industrial water consuption accounts for 90% of the average annual water consumption,sometimes are even more ,the new dry magnetic separator our company produced has made a great contribution to our industrial water conservation, create  an history  innovation in mineral processing equipment.

New efficient dry magnetic separation machine have the following five characteristics: 1, without water when beneficiation : the dry magnetic separation machine our company produced does not need water, so compared to the water selecting, it has these two advantages: no sludge sewage and can save water resources. Let us take the GXC-8180-type primaries machine as example, the annual  water saving amount can achieve 600 thousand ton.  2, the sorting effect is good, due to this machine adopts the  dynamic magnetic system design, mineral aggregate in the surface of the roller slide, displacement and tumbling drum nonstick material conducive material sorting, primary grade can be increased by 1-4 times, the refined Select grade ups to 60% each time. 3. Processing power: the wrap open magnetic system, the material group is not wrapped, non-clogging, processing power, single primary ore processing up to 50 tons, but also multi-machine tied used in parallel, can be doubled to increase production. 4 the adaptility is wide : the dry magnetic separation machine, was divided into four categories, there are more than twenty varieties and specifications. To meet the various needs of iron ore, river sand, tailings, slag, steel gray, sulfuric acid residue, abrasives, refractories, the system board, rubber, food and many other industries, part of the equipment can also be a multi-purpose machine. 5, the production efficiency is high: dry separation of water, and therefore not subject to water restrictions, perennial continuous production of anhydrous areas, seasonal water-scarce areas, cold areas, the annual increase of 100-150 days, improve equipment utilization 6. the new dry magnetic separation machine our company produced  is praised by the vast number of concentrators home in a good mood, a mine boss said: Hengrui new dry magnetic separation machine, far more than the provincial water charges ah! "
The dry-type magnetic separator has the following advantages: a large sorting, automatic under uniform material to improve the grade of high tailing characteristics. Adapt to many different types of magnetite, the weak magnetic ore, low grade ore, having more than 500 suscessful customers, which belongs to the dry magnetic separator having best effects, highest suscessful rate. Therefore, it is normal that many enterprises favor it.

 
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Vibrating screen : http://www.best-crushers.com/linear_screen.htm

Disposal prospects of building waste

In recent years, with the continuously implemented of the   large-scale urban development construction , the processing of construction waste has become a development difficult issues need to be resolved in the process of construction and urban management. The growing number of proper disposal of construction waste has become a pressing issue, landfill, piled up and so is not a good approach, comprehensive utilization is the right way. We all know that according to the feeding and nesting size, the crushing operations are often divided into coarse crushing, medium crushing and crushing. The commonly used equipments are impact breaker, compound crusher, single stage hammer crusher, vertical crusher, gyratory crusher, roll crusher machines, double roll crusher, combo crusher, and so on.
Reinforced concrete construction waste was subjected to sorting, peeling, or crushed, are reuse, construction waste recycling following: 
(1) after the construction waste crushing equipment processing , the muck can be used in road construction, pile filler; coarse and fine aggregate by the addition of a curing class material, can also be used for road pavement base
(2) the coarse and fine aggregate in the concrete construction waste and the remaining debris through the construction waste crushing equipment after treatment, they can all be used in the production of the corresponding strength grade concrete, mortar or brick, block, wall panels, floor tiles and other building materials preparation such as renewable products .
(3) for waste timber construction waste, not obviously damaged wood can be directly re-used for reconstruction of buildings, badly damaged wooden components can be used as the raw material of wood recycled sheet or paper.
(4) according to the appropriate proportion ,waste Asphalt Mixture directly used to recycle the asphalt concrete.
(5) construction waste includes waste steel, waste rebar and other scrap metal material by the construction waste disposal equipment stripping direct reuse or melted down processing.
(6) waste brick construction waste is burned clay-like materials, construction waste crushing equipment broken ground into powder materials can be used as concrete admixture substitute fly ash, slag powder, powder.
The recycling products after processed by the building waste process equipment can be used for the  green earth, building brick, muck fill foundation various channels utilize in order to achieve real construction waste and waste to treasure.
The construction waste crushing station our company produced is  determined to do the construction waste classification, and  fundamentally improve the resource utilization of construction waste. Under the strong support of government, our company gradually develops forward, and make our own contribution  to the building waste recycling resource ulitization of our country.
 VSI sand maker : http://www.china-crusher.com/sand-maker3.html
Ball mill : http://www.hxjqcrusher.com/Ball-mill.html

Wide Application of Modern Sand Making Machine

In the process of  modern machinery  industrial development , With the rapid development of China's economy , sand making industry has gone through  the extensive development  stage where relying on cheap labor advantage and environment  destruction , follow the international trend of the development of low-carbon economy, sand making industry toward being actively explore the development path of energy conservation and environmental protection. the R & D department of our company based on the development of the domestic industry, the most advanced sand making equipment, with the overall smooth operation, high efficiency, crushing than the advantages of large equipment to play its vital role in its project territory.

Let's look at theVSI sand making the entire work process of our company: the materials are fed into the hopper through the central inlet into the rejection of high-speed rotating wheel, the round rejection was quickly accelerated up to tens of several times the acceleration of gravity acceleration, ejected from the wheel rejection and high speed, hit another part of the material with the rebound after a free-fall first, and then with the impact of the material lining or counterattack block, rebound oblique impact to the top of the vortex chamber, but also to change its direction of movement, deflected downward movement from the impeller emitted material impact to form a continuous material curtain. In this way, a piece of material in the vortex crushing cavity by multiple impacts, friction and abrasive. So as to achieve the effect of prepared sand, and the crushed material is discharged from the lower discharge port. Some moisture in the body's internal raw material compound, sand making heat, moisture evaporation, and the whole pipe interface imprecise, the outside air is drawn into the circulation increased pressure to ensure that the sand making machine in the state of negative pressure .
There are many types of sand making machine, and their application field are very wide too , like our company ,we  have VB Sand (stone hit stone overflow type), the VSI type sand making machine (Stone), the PCL Type sand making machine (stone blacksmith type). Sand making machine is widely used in mines, gravel pits, abrasives, cement, refractory material, bauxite, quartz sand, silicon carbide, glass, and other industries in the waves, crushing and shaping.
The sand making grinding technology is a new technology developed with the emergence of modern high technologies and new materials industry.  because of the extensive, cutting-edge and practicality of sand making industry, it has a very important strategic position in the national economy as a whole.

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Dryer machine : http://www.hxjqcrusher.com/Dryer.html

Importance of the Integrated Cement Rotary Kiln

The most important things chinese cement rotary kiln production enterprises faced are the industrial structure adjustment,which must adapt to the most stringent environmental standards, the new cement rotary kiln has completely turned to the development of environmentally friendly direction, the introduction of a new dry-process cement rotary kiln production process-driven stage. Henan Hui cement grinding station layout cement clinker production bases in six provinces and one city,  during the Eleventh Five to enter the mine equipment manufacturing industry, our company totally invest 48 cement rotary kiln production line, cement rotary kiln sophisticated and standardized. The average size of the rotary kiln production line is the first to achieve industrial upgrading will not solve the problem. Its cement rotary kiln design Institute inventive, new clinker production capacity pioneers entering Zhejiang carried out large-scale, large-scale acquisition. And promote the regional industrial structure adjustment.
When considering the industrial way , the Chinese cement rotary kiln industry restructuring are necrssary,  and finally achieve the dream of several generations of Chinese people of cement rotary kiln. Vigorously promote the new dry process cement rotary kiln, cement rotary kiln enterprises in China can be said to go in the technical, economic management in the world. With the refinement of business management and unique base logistics market advantage, the key technology and equipment used in today's world top products, with the rise of the market as a dare to eat crab constant sharp, but to solve the market's scrimmage situation, but the key is to integrate, the fittest low prices of enterprises to survive creed.  in accordance with the appearance, the rotary kiln is divided into reducers rotary kiln and Path rotary kiln, cement rotary kiln these two kinds, in accordance with the application, it can also be divided into ceramic sand rotary kiln, kaolin rotary kiln, lime rotary kiln, in accordance with the energy supplyThe effect is divided into gas-fired rotary kiln, coal-fired rotary kiln, mixed fuel rotary kiln.
The cement kiln our company produced are mainly used for calcining cement clinker , the production type of cement kilns is divided into dry and wet process cement kiln these two categories,  Metallurgy chemical kiln is mainly used in metallurgical industry, steel plants depleted iron ore magnetic roasting; oxidizing roasting of chrome, nickel, iron; the Refractory Plant roasting the high metallurgical ore and aluminum roasting clinker and aluminum hydroxide; chemical plant baking chrome ore and chrome ore and other minerals. Lime kiln for roasting (ie, active lime kiln) steel plant, ferroalloy plant with active lime and light burned dolomite.
        


Cement making machine : http://www.mine-crusher.com/cement-plant.html
Ore beneficiation : http://www.ore-machine.com/ore-beneficiation.html

Low Carbon Develop Direction of the Construction

We all clearly know that the soaring carbon dioxide emission will lead to the global warming, and global warming  is a  serious threat to the survival and development of the whole humanity.  In fact, in the carbon emissions of urban, 60% comes from the construction of carbon dioxide emissions and construction to maintain the function itself, the traffic cars account for only 30%.
The development of low-carbon economy has gotten more and more attention,  and will become a new bright spot of economic growth in China and the world. The key is the recognization of the market, as people's awareness and understanding of the low-carbon economy, the recognition of the market is just around the corner, not too long, the project which  have not green low-carbon content  will be kicked out of the market, while the low-carbon projects which actively planning operations developed will become widespread.
At present, our country accelerate the pace of carrying out the infrastructure construction, at the same time, the infrastructure construction waste(such as produced by the impact breaker, classifier and so on) generated are also gradually increasing, how to solve the problem of construction waste , realizing the waste recycling problems, have become a major project. Therefore, the construction waste disposal equipment industry will face a huge market development space ,only  produce and manufacture the low-carbon economy, energy saving and environmental protection equipment can we promote the comprehensive utilization of construction waste.
It is shown in the "12th Five-Year Plan that accelerate the development of energy saving and environmental protection industry is the necessity of meeting our energy reduction, the development of circular economy and building a resource-saving and environment-friendly society. And if we don't deal with the construction waste timely, they will pollute the enviroment, even cause great harm to the human health.
After carrying out the research of construction waste, our company launched out the efficient construction waste disposal equipment moving construction waste crushing station, this device is equipped with advanced technology, innovative design, stable performance, in line with the low-carbon economy, energy saving and environmental protection requirements of the construction waste waste into treasure, recycling of resources, so it is widely used in many areas on the construction site, and provide a strong guarantee for the operation of infrastructure construction.
Facing the challenges of economic globalization and the constraints of the domestic resources and environment, the research and  manufacturing development industry the construction waste disposal equipment must enhance energy saving and environmental protection technology , equipment and the level of quality of service,  stimulate economic growth in the green economy, and ensure the stability of the infrastructure construction industry quickly development, thus occupying a favorable situation for our country in a new round of economic competition.

Flotation machine : http://www.mine-crusher.com/flotationcell.htm
Raymond mill : http://www.ore-machine.com/raymond-mill.html

Technical Features Introduction of the Crusher

Mineral Impact crusher is suitable for crushing the hard materials, such as limestone crusher in the cement plant, having the advantages of  large production capacity , small particle size. This series of products can handle the materials whose side length is 100-500 mm , having the advantages of high compressive strength which ups to 350 MPa, large crushing ratio, the materials broken are cube tablets ,and so on.
Working Principle of the mineral  crusher
Stone directly fall into the high-speed rotating table from the upper part of the machine ; under the effect of  high-speed centrifugal force , turntable with the flying stone which appears as the umbrella type , after the collision force against each other, the frequently hit, friction and crushing are produced by the eddy motion between the rotating plate and casing , and the products are discharged by the lower part, the closed multi-cycle are formed, the screening equipment control the particle size.
 Performance characteristics of the mineral impact crusher
High chrome hammer ,wear counterattack lining; a unique gear counterattack liner; it is particularly suitable for hard rock crushing, energy efficient; the entire board structure nesting appeared as small particle size and the cube-shaped, without internal pattern; product shape shapes cubic, the nesting particle size is adjustable to simplify the crushing process.  
Technical Features of the mineral impact crusher
1, multi-cavity evenly crushing,it is suitable for crushing hard rock.
2, low feed port for easy produce the line layout and increase the size of the feed.
3, open the full hydraulic, for the convenient  of maintenance and wearing parts  replacement.
4, new wear-resistant material makes the life of   plate hammer, counterattack lining and lining trial  are much longer.

Type of the mineral impact crusher
According to their structural characteristics ,The mineral impact Crusher can be divided into the single-rotor impact crusher (back-breaking) and dual-rotor impact crusher (back-breaking). As to the rotor turning, rotation  crusher can be divided into the reversible and irreversible rotating these two types,  single-rotor impact crusher points. The dual-rotor impact crusher can be divided into the same direction as the rotation, reverse rotation and opposite rotation  these three types. According to the internal structure, single-rotor impact crusher is divided into two forms, that is, with Leveling the grid plate and with a neat and well-spaced grid plate. The double rotor impact crusher can be divided into the following two types: the rotor at the same level and the rotor are not on the same level .

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raymond mill : http://www.crusher-export.com/raymond-grinder.html

Components Introduction of the Cement Mill

It is known that cement mill is the key equipment used to re-crush the materials . This mill is widely used in cement, silicate products, new building materials, refractory materials, fertilizer, black and non-ferrous metal processing , glass ceramics production, and the other industries.
The mill components:
1. Cylinder
This machine is the horizontal cylinder rotating device, and mainly composed of cylinder mill door, liner bolts, the most important failures of the cylinder are bolt leakage gray mill gate leakage gray, barrel bending, in view of the cement mill temperature , rarely occur the cylinder bending phenomenon, but the cement grinding is relatively thin , cylinder bolts and mill door drain gray phenomena often appear. To this end, we are required to arrange the cylinder mill door fastening work  at any time when the mill shuts down.
2. Liner
Liner is used to protect the cylinder,and avoid damage of the long-term impact and friction cylinder,we can also adjust the motion state of the material in mill. When checking, we mainlycheck the liner wear condition, whether the liner bolts are loose fall or not to avoid  liner's excessive  wear, because this wear can result the material changes in the state of motion and reduce cylinder life.
3. Compartment plate
Compartment plate is mainly composed of center circle compartment plate, stock guide cone, grate plate, lifting plate, lining, compartment plate bracket, blind plate. When checking ,the main work is to check whether the compartment plate bolts loose, fall, each grate is intact, grate seam is clogging the grate plate and blind plate excessive wear, cracks compartment plate bracket, whether the impact of the grate plate , string ball phenomenon or not.
4. Main bearing
Bear the mill rotary part quality and impact of the grinding media , the mill  support on the main bearing through the hollow shaft , the bearing housing is equipped with bearing cap, observation hole (observation of oil supply and the control shaft, bushing functioning), the thermometer of the temperature measurement. The bearing lubricant adopts hydrodynamic lubrication and hydrodynamic lubrication these two methods, dynamic pressure use the low fuel supply, duo to the mill speed is low, the oil film dynamic pressure formed is thin,can not reach the effect of liquid friction and lubrication, so the hydrostatic lubrication is adopted, specifically set of high-pressure oil pump for high-pressure oil to the oil bag, rely on the pressure of the oil to form a thick film. In the normal operation, the static pressure lubrication, hydrodynamic lubrication still work automatically, when appears the static pressure problems, the dynamic pressure. The general bearing liner allowed temperature does not exceed 70 °.  if the bush-burning phenomenon occurs, we must take the cooling method.

Ignition Operation Issues of the Rotary Kiln

 It is known that the rotary kiln refers to rotating calcining kiln (commonly known Xuanyao), belongs to the class of building materials equipment.  according to different materials, Rotary kiln can be divided into cement kiln, metallurgy chemical kiln and lime kiln. The cement kiln is mainly used for calcining cement clinker  in cement kilns , which can be divided into dry and wet process cement kiln these two categories, Metallurgy chemical kiln is mainly used in metallurgical industry, steel plants depleted iron ore magnetic roasting; oxidizing roasting of chrome, nickel, iron; the Refractory Plant roasting high alumina of vanadium bauxite and aluminum roasting clinker, aluminum hydroxide; chemical plant baking chrome ore and chromium ore and other minerals. Lime kiln for roasting (ie, active lime kiln) steel plant, ferroalloy plant with active lime and light burned dolomite.
Ignition is the first step of the fired rotary kiln system production ,whether in the operation of the new production line , or the maintenance of machinery in production process, lining replacement or trouble parking, the ignition operation are all required to carry out, that is the initial coal injection combustion.
The following briefly describes the rotary kiln ignition notation:
[1] First start the kiln inlet main exhaust machine, adjust the air intake valve, pull the kiln and piping system wind about 5 minutes, reduce the concentration of carbon monoxide in the kiln system,makes it full of fresh air, while close the kiln inlet access doors .
[2] before rotary kiln ignition  spraying, we need to adjust the pulverized coal burner position and status , the distance between the general coal injection nozzle and the kiln mouth is about 0.5 m, we also need to adjust the coal burner channel interface to the relatively larger, make the starting flame early soft and smooth , the fire was concentrated,so the pulverized coal easily ignited.
[3] before the ignition, we should be sure to open the appropriate degree of the preheater ignition breathing apparatus. It is best to get the central control for the convenience of adjusting .but due to the preheater temperature is high, kiln pumping force is large,which is adverse to the early coal combustion , so we need to control the kiln wind speed by depressing breathing apparatus.
[4] spray pulverized coal before the on-site testing, this is mainly to ensure the smooth flow of pulverized coal injection piping system, the pulverized coal scales Gongmei control is reliable. The test spray time should not be too long, about 2 minutes, but we should contact with the  on-site staff  timely, stopping spraying immediately after confirming the coal powder.

Details of Selecting the Appropriate Dryer

When the user purchasing the drying equipment (dryer machine), it is necessary to select them, the following is the several details need to pay attention in the selecting process of dryer (dryer machine) :
 First, corporate site visits
We should first examine the drying equipment manufacturers,  observed the attitude of the Factory, on this basis, we can get a preliminary environment understanding and the productive capacity of the plant. Learn whether this plant have laboratory equipments or not, whether have materials experimental data or not,the  experimental results of materials. We should seriously listen to the phenomena of the factory report, understand its manufacturing capacity, whether the drying equipment manufacturers processing means meet the requirements, listen to the processing method type statement of the drying equipment manufacturers  .
Then,  see whether the enterprise have an existing production site or not
Level of drying equipment manufacturers depends to some extent on the performance of its work, under normal circumstances, the more work performance equipment manufacturing capacity, the stronger their equipment manufacturing abilities, because the manufacturing equipment technology can make the equipments more excellent. If the manufacturer is the first manufacturer of this model,then the user must be cautious, the serious argument to its technology maturity is necessary.
As to the credibility of the enterprise,we can also get from its customers .
Nowadays, the society after-sales service is an important indicator to measure products. The drying equipments are required to maintenance regularly, in the process of operating the machine, some problems that are different to solve may appear sometimes,  whether some wearing parts have generality or not, whether the plant can provide users with permanent technology consultation, spare parts or not , these are all questions need to take into account when selecting the dryer machine manufacturers. We need to inquire the dryer machine manufacturers and their users to learn the enterprise credit and their actual after-sale situation, thus can efficient avoid the unnecessary economic loss.
Finally, examine the drying effect of the same or similar materials , if the further investigation are carried out, it is best that the drying equipment manufacturers can provide the same material drying experience, so that the credibility of this project can be efficiently increased . It is proved that carry out the situ experiments, the situ testing equipments are important basis to increase the purchasing confidence of customers.
We hope the above suggestions are helpful.

Different Classification Methods of Magnetic Separator

As we all know, the magnetic separator is widely used in resource recovery, the timber industry, mining, ceramic, chemical, food and other industries,  it is a kind of model that used widely in this industry.
Many different types of magnetic separator have been used at home and abroad, of course, there are many different classification methods.
1. According to the magnetic source , they can be divided into the permanent magnetic separator, electromagnetic separator;
2. according to the magnetic field strength, they  can be divided into:  (1) weak magnetic field magnetic separator, the magnetic pole surface magnetic field strength H0 = 72-136 kA / m ,the magnetic force HgradH = (2.5-5.0) 1011 Ann 2 / m 3; (2) medium magnetic field magnetic separator, the pole surface magnetic field strength H0  = 160-480 kA / m; (3)strong magnetic field magnetic separator, magnetic pole surface magnetic field strength H0 = 480-1600 kA / m, the magnetic force HgradH = (1.5-6.0) 1013 Ann 2 / m 3;
3. According to the sorting process medium,they can be divided into the dry magnetic separator, wet magnetic separator (wet magnetic separator);
4. According to the magnetic field type ,they can be divided into a constant magnetic field, a pulsating magnetic field and an alternating magnetic field magnetic separator;
5. According to the body structure shape, they can be divided into belt magnetic separator, drum magnetic separator, roller magnetic separator, disc separator, ring-type magnetic separator cage magnetic separator and pulley-type magnetic separator.
6. We can also distinguish them through the magnetic field strength, sorting medium and structure type.
Weak magnetic separator (magnetic separator) is mainly used for election do strong magnetic minerals, such as magnetite, titanomagnetite, ferrosilicon.
In the former industrial, the electromagnetic magnetic system is adopted widely, the body shapes are always appears as drum and belt type. At present, the magnetic system and cylindrical type are widely adopted, and wet applications are more.
In the strong magnetic field magnetic separator of the early earlier years, the dry type magnetic separator whose separation size is coarse can be used to select the Non-ferrous metals and rare metals minerals.
Over the past decade, in order to select the ore whose grade is low and dissemination is fine to form the weak magnetic mines, we have developed a variety of wet high intensity magnetic separator, such as ring, cage, disc, most of them are still in the experimental stage. The medium magnetic separator is mainly used for sorting the strong magnetic ores that oxidated locally.

Purpose and Principle of the Third Generation Sand Maker

Chinese Sandstone Association clearly pointed out  that: the excellent artificial sand quality should be --- reconcile sand / artificial sand / powder / mud / natural sand / the weathered sand / tailings reconcile sand. At present, due to the considerable demand for artificial sand, some enterprises which do not have the quality of producing sand began to use the simple   making machine to produce sand ,of course, the sand they produced is unqualified, which not only cause the user to pay a much greater cost than usual, the more serious is the  concrete produced can not achieve the requirement, this directly impacts   the quality of the construction work. The following is the third generation   maker which is truly suitable for the production of artificial sand:
 The application of the third generation sand make machine (sand-making machine) :
This series of sand makers applies to the soft , medium hard and extremely hard materials crushing, plastic, which is widely used in a variety of ores, cement, refractories, aluminum where the soil clinker, emery, glass raw materials, mechanism building sand, stone, and each kinds of metallurgy slag, especially for silicon carbide, silicon carbide, sintered bauxite, sand US high-hard, especially the hard and the other corrosion-resistant materials . In the engineering industry ,it is the ideal equipments of producing mechanism sand, cushion material, asphalt concrete and cement concrete aggregate . And so on. In the mining industry, this product is widely used in the preceding grinding process, it can produce large amounts of iron ore fines, reduce the high cost of grinding load. As the   excellent low wear characteristics of this sand maker , this series device is also used for high abrasive and secondary disintegration crushing production. In addition, due to the zero pollution to production,  crusher can well adapted to the production of glass quartz sand and other high purity materials , in the scale off10-500t / h production capacity  , this crusher can meet almost any production requirement.
The working principle of the third generation sand making machine (sand-making machine) :
The material is fed from the feed hopper to the crusher, and be divided into two parts by the sub-feeder, part of them go through the middle of the sub-feeder into the high-speed rotation of the impeller,  being rapidly accelerated in  the impeller,  its  acceleration gravity can achieve to several hundred times, and then projectile out from the impeller three runner uniform at the speed of 60-70 m / s, the first part of the same sub-feeder four weeks from the closing falling material   crusher, and with the impact of the vortex cavity lining materials material lining rebound oblique impact to the top of the whirl chamber, and then change the direction of motion, deflected downward movement of material emitted from the impeller form a continuous materials curtain. In this way ,the material  be crushed ,fracted and grand in the   whirl crushing cavity   twice as well as several times  . The broken material is discharged from the lower part of the discharge opening. During the whole crushing process, the materials are impacted crushing to each other, don't   contact with the metal components directly but with the lining materials shock,  in this way,   the pollution angle is reduced,  the time of mechanical wear is extended.

Reason of the Crusher Dispose Dust Improperly

The crusher dust seriously affect the production capacity of the crusher (crusher) and the health of workers, facing the large amount of dust  crusher produced, our technicians provide professional crusher dust problems for our crusher customers , I hope it is helpful to you.

What problems the crusher dust improper dispose will cause ? The following is detail explanation:
◆(Crusher)the general baghouse filter area of crusher is small, ventilation is generally inadequate , dust cover and crusher cavity are difficult to form a slightly negative pressure, therefore, the dust of the working environment is large,  which is not conducive to breathing.
◆ Precipitator dust enter into the pipeline, the system resistance is increased at the elbow of the inlet tube , the bend parts are susceptible to  be wearied and clogged by the dust. If we adopt the screw conveyor and sub-grid transport wheel baghouse to collect dust ,the power consumption will increase, mechanical maintenance workload will increase too; we often  need to demolish the under sub-grid wheel feeder, if this situation lasts a long time, the under feeder flange will leak air ,it will exacerbate the ash bucket air leakage.
◆ When crushing materials humidity is high (after raining or the materials be caught in a shower) ,the dust particles be sent into the precipitator is larger than the dry crushing materials, the bag-type dust collector is easy to be pasted,  the under feeder is easy to be jammed,  this will bring about the significant increase of the bag-type dust collector ventilation resistance , and the ventilation capacity is decreased, of course the dust problem will be more serious .
◆ In the process of the materials fall from the belt conveyor, the air and the material went together into the closed dust cover, the dusty air spread to the outside of the cap through the crevice and orifice hood walls ,which pollute  the environment. In addition, due to incorrectly set of the belt-corner dust point , open and stop of the precipitator is almost no impact to head dust of the lower belt conveyor . Therefore, since the 5th rock crushing machine was put into use , this dust collector almost does not work, the upper belt conveyor has been in the diffuse dust.
◆ The failures of baghouse and supporting parts are more, which not only affect the normal dust disposition, but also increase the equipment maintenance workload.from the view of equipment maintenance statistics ,the  spare parts' poor quality are important reason of equipment failure .
In order to reduce the dust caused by the crusher housing air leakage , in the actual production, people often water the materials at the mouth of crushing ,  its result is intensify the baghouse filter bags paste and  the under feeder blockage. Because  people often  conduct intermittent clean to the baghouse , when the precipitator works normally , the division round air leakage is  a question that should not to be neglected.

Design Knowledge of Crusher Hammer and Disc

Although hammer crusher is a mature mining crushing equipment, for its design, we must not sloppy. The following is the knowledge introduction to the design and calculation of crusher's hammer and disc:
◆ The hammerhead design and calculation of hammer crusher
Its design mainly refers to the structural design. As the hammer head shape, quality, materials are very influential to the crusher production capacity, Especially the shape to the quality distribution, full use of the materials. As to the more detailed discussion on the hammerhead structure design and related improvements ,you can see it in the topic. In short, hammer is the main working parts. Its Shape, structure design have far-reaching economy effects to their work ability , the production capacity of the entire machine.  Hammerhead shape is generally divided into light, medium and heavy these three types. This model of hammer crusher refers to the medium-sized hammer design,and related calculations.
The hammer crusher can also use the high manganese steel as its design materials . Hammerhead material selection problem is a very critical issue to improve its abrasion resistance. The choice of material depends on the working conditions and requirements of the working parts. Because the  crusher always crush the limestone these medium hardness materials. People usually use high carbon steel to forge or cast. adopt high manganese low alloy steel, some is coated with appearance Carbide. Some high chromium cast iron, its wear resistance is several times greater than the high manganese steel hammer . As to the choice of materials: you can see the part of topic-improve wear resistance hammerhead specialized exposition.we don't described in detail here, In short, hammerhead choice of materials is not only related to the working life of the hammer bit, the production capacity of the machine, production efficiency, and is also related to various aspects of economy.

◆ Disc structural design and calculation of the hammer crusher
Each pin requires 8 hammers. If the disc is used suspension hammerhead,then it requires a total of nine discs,this depends on the design requirements. Two discs on the sides, the common feature is that one side is equipped with the locking nut, the other end is positioned by the shaft shoulder. The used nut is GB-812-85 , so that each disc is evenly distributed six round hole,we can use 6 pin shaft to suspend hammerhead,  The size of the disc depends on the diameter of the rotor, the size of the diameter of the rotor is the basis of the disc design size. Therefore,we can know the rotor diameter is 800mm according to its model, the disc size value is in a certain range. the circular hole size is approximately equal to the hammer hole size.

Operation Precautions of Jaw Crusher

Jaw crusher should be installed above the concrete foundation,and plus  skids or rubber to reduce vibration when working.
Jaw crusher's (jaw crusher) operation: the correct operation of the crusher  is one of the important factors that guarantee the crusher works properly, improper operation or negligence in the operation are often caused equipment and personal accidents. Correct operation is to  follow the rules strictly.
The preparatory work Before starting : careful examination before starting the crusher, the check contents are: crusher tooth plate wear situation, adjust ore discharging mouth size, whether the ore crushing cavity having ore; if large block ores exist, we must remove them,; whether the connection screws loose; whether the pulley  Flywheel protection cover is intact; whether the tightness of the triangle belt and trolley spring are suitable ;whether the lubrication system is intact; whether the electrical equipment and signal system are normal or not.

Handling Precautions of jaw crusher (jaw crusher):
1, After starting, if the crusher makes unusual beat, we should stop automatically turn, and restart after identifying and eliminating the ills .
2. When starting, Crusher must no-load , when the automatically turn is normal, we can start the ore-discharging equipment , the ore be fed into should be gradually increased until the load is full.
3. Ore discharging Should be uniform , ores are not allowed to be packed with the crushing chamber; the  maximum  mine size allowed should not be larger than 0.85 times of the ore discharging mouth size; while feeding ore, we should ban the anti-mine iron and other non-HSBC crushed materials into the crusher; once we found these non-broken materials go through the port of discharge, we should immediately notify the belt transporter in time to prevent serious equipment accidents of the next crusher , such as the impact crusher and hammer crusher.
In the operation process, we often have to pay attention to the situation of lump ores stuck to the mine mouth, sometimes use an iron hook flip or application-specific tools when operating, but not by hand to avoid an accident. During operation ,if the ore feeding are too many to choke the crushing chamber, do not stop the crusher ,but should stop ore-feeding, we should start the ore feeding machine after dealing with the ores in the crushing cavity. during working, the operator should conduct check regularly, according to to see, hear, touch and other methods to observe the various components situations of the crusher position and bearing temperature, the bearing temperature must not exceed 60 ° C, we should not immediately stop when the bearing temperature is too high, instead,we should take plus large amount of oil, forced ventilation, water-cooled these methods to reduce the temperature.

Crusher Technical Advantages Analysis

◇ Impact crusher (impact crusher) can effectively handle the material having a large amount of moisture, which can prevent crusher clogging.
When dealing with the materials having excessive moisture, impact crusher's feed chute and counterattack board can be equipped with a heating device to prevent the adhesion of the material. Impact crusher is not required to be equipped with the bottom screen ,it can effectively prevent clogging. Hammer crusher can not prevent the bonding of materials by heating, and shall be equipped with the bottom screen, this increase the possibility of clogging.
◇ Impact crusher is applicable to both soft materials and hardness materials.
The plate hammer is firmly fixed on the rotor by the mechanical clamping structure , when it moves with the rotor rotates,a great moment of inertia is produced . Comparing to the hammer crusher (hammer was hanging), impact crusher rotor has greater momentum, and suitable for crushing harder materials, at the same time, the energy consumption  is lower.
◇ Convenient and flexible adjustment to the crusher discharge size, wide range of adjustment.
Impact Crusher can adjust the particle size through a variety of ways, such as regulate the rotor speed, adjust the counter plate and the grinding chamber gap. The gap adjustment can be adjusted by mechanical or hydraulic type, hydraulic adjustment system can easily complete the adjustment of the gap through local operating button or fortune control system. While the hammer crusher regulating discharge size can only be achieved by replacing the bottom screen(comparing to the impact crusher，but not cone crusher).
◇ Impact crusher (impact crusher) wearing parts wear rate is smaller than hammer crusher, the metal utilization is higher .
Impact crusher board hammer wear area only appears on the looking materials side. When the rotor speed is normal, feed plate hammer will fall on the surface ( attack area), the plate hammer back and sides are not to be worn. Even the looking material side wear very little. And the bottom of the grinding rod is also very easy to replace.the metal utilization rate of impact crusher board hammer can be as high as 45% -48%. While the hammer of the hammer crusher was hanging, wear and tear occurs in the upper, front, rear and side, comparing to the plate hammer, hammer wear more serious, hammer metal utilization is only about 25%. And the rotor body itself may also be subject to wear. Hammer crusher wear seriously affected, and the replace work of sieve is also more complicated.
◇ Impact crusher spare parts are easy to replace, and the maintenance costs is reduced.
Crusher rotor is only installed six plate hammer, using the HAZEMAG company provided special tools ,we can easily replace the board hammer,  replace a board hammer just need one shift time. The bottom of the grinding chamber grinding rod replacement requires only ten minutes ,which can greatly reduce the time and cost of repair and maintenance.

Components Installation of the Two-stage Mill

As we all know, mining crusher refers to the crushing machinery whose content is more than 50% of the total content, the row compound particle size is greater than three millimeters. It is invented by British Hengan. according to the feeding and nesting size, the crushing operations are often divided into coarse crushing, medium crushing and crushing. The commonly used equipments are impact crusher, compound crusher, single stage hammer crusher, vertical crusher, gyratory crusher, roll crusher machines, double roll crusher, combo crusher, and so on. the crusher is widely used in mining, metallurgy, building materials, road, railway, water conservancy and chemical industry and many other sectors. Common crushing machines are winnowing mill, hammer crusher, impact crusher, roll crusher, compound crusher. Jaw crusher, having large crushing ratio, uniform particle size, simple structure, reliable operation, easy maintenance, operating costs and economic characteristics. PF-I series impact crusher can process materials side length is 100 to 500 mm, the compressive strength is up to 350 MPa, great crushing ratio.
Now, let us introduce the knowledge of two-stage crushing equipment installation:

The two-stage grinder (double stage crusher) host equipment installation :
1) two-stage grinder equipments can be installed together with the motor  on a concrete foundation or rack, the ground should be smooth, when installing ,the machine must be level.
2)The machine should be installed feeding device to ensure uniform feeding, and avoid clogging.
3) motor wiring should be strictly in accordance with the direction of  the rotor wiring rotation.
4)In order to ensure the safe operation of the gangue grinder, we must install the ammeter to control feeding,and ensure the normal load.

Installation of the two-stage grinder unit (double stage crusher):
1) each equipment should be connected firmly with each other,the pipe joints strives to be tight to prevent gas leakage, if the pipe joints leak, it will not only generate dust pollution, but also decline the production capacity and product quality.
2) electrical control cabinet should be installed at the place where is easy to operate, easy to observe the location of the equipment, various equipments' electrical connection lines  and control lines should be arranged and placed in alignment tube according to the relevant provisions of the state .
3) electrical control cabinet should be fitted with the drive button, stop button of equipment, work lights, grinder ammeter, feeding motor , grading motor speed control knob and various protective devices.
4) all two-stage shredder equipments must be installed in accordance with the relevant provisions.