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Title:
COMBINED PROCESS FOR HIGH-EFFICIENT WASTE HEAT RECOVERY AND DENITRATION OF EXHAUST GAS OF GAS TURBINE
Document Type and Number:
WIPO Patent Application WO/2021/036099
Kind Code:
A1
Abstract:
A combined process for high-efficient waste heat recovery and denitration of exhaust gas of a gas turbine. Flue gas emitted from a gas turbine enters a flue gas denitration system, exchanges heat with saturated steam from a high-pressure drum by means of an overheat section of a high pressure boiler, then exchanges heat with high pressure boiler water from the high-pressure drum by means of an evaporation section of the high pressure boiler, then enters a denitration reaction bed layer by means of a blower to contact a catalyst for a denitration reaction, then exchanges heat with low pressure boiler water from a low pressure drum by means of an evaporation section of a low pressure boiler, and finally exchanges heat with the high pressure boiler water in an economization section of the high pressure boiler and is then exhausted via a chimney. High pressure steam and low pressure steam are generated by means of heat exchange of a high pressure drum and a low pressure drum with flue gas to recover waste heat in the flue gas, thereby improving the comprehensive utilization rate of a gas turbine, reducing running and investment costs, and implementing energy-saving and environmental protection requirements.

Inventors:
YANG WEIDONG (CN)
GAO JUN (CN)
TIAN JUNKAI (CN)
WANG HONGLLIANG (CN)
LU CHAOYANG (CN)
FAN CHANGHAI (CN)
KOU LIANG (CN)
ZHOU YI (CN)
Application Number:
CN2019/124941
Publication Date:
March 04, 2021
Filing Date:
December 12, 2019
Export Citation:
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Assignee:
ZHEJIANG SATELLITE ENERGY CO LTD (CN)
International Classes:
F22B1/18
Domestic Patent References:
WO1995007751A11995-03-23
Foreign References:
CN1215818A1999-05-05
US4693213A1987-09-15
CN207471512U2018-06-08
US5660799A1997-08-26
US4160805A1979-07-10
JPS5241701A1977-03-31
CN105526578A2016-04-27
CN102512954A2012-06-27
Attorney, Agent or Firm:
HANGZHOU WUZHOU PUHUA PATENT AGENCY FIRM ( SPECIAL GENERAL PARTNERSHIP) (CN)
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