Title:
DEVICE FOR PRODUCING CLEANED CRUSHED PRODUCT OF POLYCRYSTALLINE SILICON BLOCKS, AND METHOD FOR PRODUCING CLEANED CRUSHED PRODUCT OF POLYCRYSTALLINE SILICON BLOCKS USING SAME
Document Type and Number:
WIPO Patent Application WO/2015/122455
Kind Code:
A1
Abstract:
[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.
Inventors:
NISHIMURA SHIGEKI (JP)
FUJII MASAMI (JP)
KAWAGUCHI KAZUHIRO (JP)
YOSHIMATSU NOBUAKI (JP)
ASANO TETSUROU (JP)
FUJII MASAMI (JP)
KAWAGUCHI KAZUHIRO (JP)
YOSHIMATSU NOBUAKI (JP)
ASANO TETSUROU (JP)
Application Number:
PCT/JP2015/053816
Publication Date:
August 20, 2015
Filing Date:
February 12, 2015
Export Citation:
Assignee:
TOKUYAMA CORP (JP)
International Classes:
C01B33/02; B07B4/08; B65G15/54
Foreign References:
| JP2012046412A | 2012-03-08 | |||
| JP2012062206A | 2012-03-29 |
Other References:
See also references of EP 3106434A4
Attorney, Agent or Firm:
MAEDA & SUZUKI (JP)
Maeda and a Suzuki international patent business corporation (JP)
Maeda and a Suzuki international patent business corporation (JP)
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