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Title:
HEAT RECOVERY STEAM GENERATOR AND METHOD FOR OPERATING A HEAT RECOVERY STEAM GENERATOR
Document Type and Number:
WIPO Patent Application WO/2012/143783
Kind Code:
A3
Abstract:
Waste heat steam generator (1 ) for the cooling of hot waste gases (5) from metallurgical processes, whereat the waste heat steam generator ( 1 ) contains at least one radiation chamber ( 2 ) and in the front part ( 3 ) of the radiation chamber ( 2 ) nozzles ( 4 ) with feed lines ( 7 ) to the nozzles ( 4 ) for feeding an oxygen-containing gas ( 6 ) to the radiation chamber ( 2 ) and whereat mixing of the oxygen-containing gas ( 6 ) with the waste gas ( 5 ) occurs by means of the injected oxygen-containing gas ( 6 ) and after-reactions are initiated at constituents of the waste gas ( 5 ), and whereat the feed lines ( 7 ) of the nozzles ( 4 ) are provided with means ( 8 ), which effect a pulsating feeding of the oxygen-containing gas ( 6 ), as well as a method for operating such a waste heat steam generator (figure 1 )·

Inventors:
JEKERLE JIRI (DE)
Application Number:
PCT/IB2012/000770
Publication Date:
November 07, 2013
Filing Date:
April 17, 2012
Export Citation:
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Assignee:
ALSTOM TECHNOLOGY LTD (CH)
JEKERLE JIRI (DE)
International Classes:
F23G7/06; F22B1/18; F23G5/46; F23J15/02; F27D17/00
Domestic Patent References:
WO2003083370A12003-10-09
WO2009077652A12009-06-25
WO2003050464A12003-06-19
Foreign References:
JPH09296902A1997-11-18
US4908058A1990-03-13
US5029556A1991-07-09
JP2004301449A2004-10-28
GB402934A1933-12-14
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