Title:
METHOD FOR CRUSHING WASTE GYPSUM BOARDS, AND SILO USED THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/032231
Kind Code:
A1
Abstract:
When gypsum particles obtained from crushing waste gypsum boards are stored in a silo, the present invention makes it possible to smoothly extract the gypsum particles from the silo. Waste gypsum boards are crushed to form gypsum particles, which are stored in a silo. A plurality of screw conveyers are provided in the bottom part of the silo, and gypsum particles inside the silo are discharged to the outside of the silo by the screw conveyers.
Inventors:
HIRANAKA SHINGO (JP)
SAITO AKIRA (JP)
SAITO AKIRA (JP)
Application Number:
PCT/JP2021/038759
Publication Date:
March 09, 2023
Filing Date:
October 20, 2021
Export Citation:
Assignee:
TOKUYAMA CORP (JP)
International Classes:
B02C23/00; B02C23/08; B02C23/20; B03C1/00
Domestic Patent References:
| WO2012176688A1 | 2012-12-27 | |||
| WO2012176688A1 | 2012-12-27 |
Foreign References:
| JPH10167481A | 1998-06-23 | |||
| JP2006305419A | 2006-11-09 | |||
| JPS615832U | 1986-01-14 | |||
| JPS5932690U | 1984-02-29 | |||
| JPS5777126A | 1982-05-14 | |||
| JPS4739088Y1 | 1972-11-27 | |||
| JPS60136732U | 1985-09-11 | |||
| JP2012005986A | 2012-01-12 | |||
| CN210854440U | 2020-06-26 | |||
| CN211443550U | 2020-09-08 |
Attorney, Agent or Firm:
SHIOIRI Akira et al. (JP)
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