Title:
GAS SEAL STRUCTURE OF HIGH TEMPERATURE DENITRIFICATION APPARATUS
Document Type and Number:
Japanese Patent JP2004017029
Kind Code:
A
Abstract:
To provide a gas seal structure of a high temperature denitrification apparatus which can minimize heat conduction through a seal guide and prevent the occurrence of hot spots in a casing.
A seal plate 30 for preventing a short path of exhaust gas is fitted to the peripheral part of a catalyst packing frame 2 to protrude to the inner surface of the casing 1, and the seal guide 31 engaged with the seal plate 30 is fitted to the inner surface of the casing 1 through a heat insulation table 50 so that the seal plate 30 can slide freely when the frame is heat-expanded.
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Inventors:
TAKEUCHI MASAHIRO
KOIKE HITOSHI
KOIKE HITOSHI
Application Number:
JP2002180427A
Publication Date:
January 22, 2004
Filing Date:
June 20, 2002
Export Citation:
Assignee:
ISHIKAWAJIMA HARIMA HEAVY IND
International Classes:
B01D53/94; B01D53/56; B01D53/75; B01J19/24; B01J33/00; (IPC1-7): B01D53/94; B01J19/24; B01J33/00
Attorney, Agent or Firm:
Tsunemitsu Yamada
Seiichi Otsuka
Seiichi Otsuka