Title:
汚染物質が付着した粒状体の処理方法
Document Type and Number:
Japanese Patent JP4335369
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for treating a contaminant-adhered granular body by which the contaminant is efficiently separated and removed from the granular body adhered with contaminants such as contaminated soil and incineration ash. SOLUTION: A granular body contaminant-adhered is introduced into a primary pulverizer 11 and a secondary pulverizer 12, disintegrated and deflocculated to remove a contaminant depositing on the surface of the granular body. Subsequently, a large-diameter granular body freed from the contaminant is separated by liq. cyclones 30 and 32, and the fine grains contg. the contaminant are conducted to a centrifugal separator 42 and separated.
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Inventors:
Anti-Gou Takao
Hiroshi Ito
Yutaka Shinta
General Nakayama
Hiroshi Ito
Yutaka Shinta
General Nakayama
Application Number:
JP22376799A
Publication Date:
September 30, 2009
Filing Date:
August 06, 1999
Export Citation:
Assignee:
RECLAND Co., Ltd.
Kumagai Gumi Co., Ltd.
Shinroku Seiki Co., Ltd.
Kumagai Gumi Co., Ltd.
Shinroku Seiki Co., Ltd.
International Classes:
A62D3/00; B09C1/02; B02C15/16; B02C23/36; B09B3/00; B09B5/00; B09C1/00; B09C1/08; C02F1/28
Domestic Patent References:
| JP10005738A | ||||
| JP7185513A | ||||
| JP1146567A |
Attorney, Agent or Firm:
Junichi Miyazono