| it uses machinery method to form its screen by screen piece arranged abreast to form the screen. The roller rotates using the deadweight of the material to screen, the 3 connecting shaft in the roller are higher than then screen, which can bounce the block materials and consequently improve the screening rate. With the help of the inclined surface of the screen the materials move forward, and fall into the crusher at last. Materials that is smaller than the screen hole falls so that accomplishes the purpose. |
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