2012年9月2日星期日

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.

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