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Title:
EXHAUST GAS TREATING DEVICE
Document Type and Number:
WIPO Patent Application WO/2000/032990
Kind Code:
A1
Abstract:
An exhaust gas treating device which has a burner section, and a combustion chamber disposed downstream of the burner section, which produces a combustion flame that is directed from the burner section toward the combustion chamber, and which introduces exhaust gases into the combustion flame to oxidize the exhaust gases for decomposition, wherein, since the combustion chamber has its inner wall formed of fiber-reinforced ceramic material, the heat resistance and corrosion resistance of the inner wall are improved and at the same time since the inner wall exerts no catalytic effect, generation of thermal NOx is suppressed. Further, since the burner section has a cooling means installed in a supporting gas inlet section, ignition and explosion of the supporting gas are prevented. Further, deposition of dust is prevented by the formation of a swirling flame produced by the burner section or it is prevented by a deposition preventing means or a scraping means.

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Inventors:
KAWAMURA KOTARO (JP)
NAKAMURA RIKIYA (JP)
SHIROO YUJI (JP)
TAKEMURA YOSHIRO (JP)
OKUDA KAZUTAKA (JP)
TSUJI TAKESHI (JP)
Application Number:
PCT/JP1999/006632
Publication Date:
June 08, 2000
Filing Date:
November 29, 1999
Export Citation:
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Assignee:
EBARA CORP (JP)
KAWAMURA KOTARO (JP)
NAKAMURA RIKIYA (JP)
SHIROO YUJI (JP)
TAKEMURA YOSHIRO (JP)
OKUDA KAZUTAKA (JP)
TSUJI TAKESHI (JP)
International Classes:
B01D53/46; B01D53/68; B01D53/70; F23G5/32; F23G7/06; F23J3/02; F23M5/08; (IPC1-7): F23G7/06
Foreign References:
JPH1054534A1998-02-24
JPS4836012A1973-05-28
JPH07138078A1995-05-30
JPS5010807A1975-02-04
JPH07305819A1995-11-21
JPH1179871A1999-03-23
US3819468A1974-06-25
JPH01134197A1989-05-26
JPH1038245A1998-02-13
JPH11218317A1999-08-10
US4444724A1984-04-24
US5462429A1995-10-31
JPH11193916A1999-07-21
JPH04103908A1992-04-06
JPH07318037A1995-12-08
JPS6391401A1988-04-22
JPH0816527B21996-02-21
JPH0268414A1990-03-07
US5643544A1997-07-01
JPH1054534A1998-02-24
JPS4836012A1973-05-28
Other References:
See also references of EP 1143197A4
Attorney, Agent or Firm:
Shamoto, Ichio (New Ohtemachi Bldg. 2-1, Ohtemachi 2-chome Chiyoda-ku Tokyo, JP)
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