Title:
【発明の名称】ダイオキシン類を含有する飛灰の熱分解装置
Document Type and Number:
Japanese Patent JP3083444
Kind Code:
B2
Abstract:
PURPOSE:To prevent in advance the situation such as a shutdown of operations by heating supply feeder parts such as an ash hopper and a feed rotary valve and preventing sticking of fly ash. CONSTITUTION:A suction and circulation device by which vent gas is sucked from a takeout port of a treating device 4 and also the sucked vent gas is circulated to a feeding port of the heating device 4, is provided, and a heavy metal precipitation tank 15 for eliminating harmful substances in the vent gas by a precipitation treatment is provided in the middle of a suction pipe 10 in the suction and circulation means, and a heating means for heating the fly ash supply means such as the ash hopper and the feed rotary valve is provided.
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Inventors:
Michio Ishida
Ryozo Shiji
Liu Peng
Ryozo Shiji
Liu Peng
Application Number:
JP6225094A
Publication Date:
September 04, 2000
Filing Date:
March 31, 1994
Export Citation:
Assignee:
Hitachi Zosen Corporation
International Classes:
A62D3/00; A62D3/40; B01D53/70; B09B3/00; A62D101/08; A62D101/22; A62D101/28; (IPC1-7): B09B3/00; B09B3/00; B01D53/70
Domestic Patent References:
| JP6174223A | ||||
| JP7108249A | ||||
| JP7124536A | ||||
| JP7265833A |
Attorney, Agent or Firm:
Yoshihiro Morimoto