发明公开
EP3106434A1 DEVICE FOR PRODUCING CLEANED CRUSHED PRODUCT OF POLYCRYSTALLINE SILICON BLOCKS, AND METHOD FOR PRODUCING CLEANED CRUSHED PRODUCT OF POLYCRYSTALLINE SILICON BLOCKS USING SAME 审中-公开
DEVICE一种精制粉碎产品由多晶硅块状物及其生产多晶硅块状物纯化的粉碎产品的方法

DEVICE FOR PRODUCING CLEANED CRUSHED PRODUCT OF POLYCRYSTALLINE SILICON BLOCKS, AND METHOD FOR PRODUCING CLEANED CRUSHED PRODUCT OF POLYCRYSTALLINE SILICON BLOCKS USING SAME
摘要:
[Problem] To provide a production device whereby, after crushing polycrystalline silicon blocks, contaminating fine powders, such as a fine metal powder and fine silicon powder, can be efficiently removed by blowing a gas stream thereto. [Solution] A device for producing a cleaned crushed product of polycrystalline silicon blocks, said device being provided with: a) a conveying belt conveyer for a crushed product of polycrystalline silicon blocks, said conveying belt preferably being mesh-like; b) a gas stream-injector for blowing away fine powders mixed in the crushed product of polycrystalline silicon blocks, said injector being placed above a travel surface of the conveying belt of the conveying belt conveyer; and c) a mesh for preventing scattering of the crushed product of polycrystalline silicon blocks, said mesh being placed between the travel surface of the mesh-like conveying belt and the gas stream-injector for blowing away fine powders that is provided above the travel surface.
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