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Title:
WASTE HEAT RECOVERY APPARATUS FOR USE IN COAL GASIFICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/029043
Kind Code:
A1
Abstract:
Provided is a waste heat recovery apparatus for use in a coal gasification device, relating to the technical field of heat supply system apparatuses, and comprising: a waste heat boiler having a vertical structure; a high-parameter system; a self-deoxygenating low-parameter system. A flue gas inlet (9) is formed at an upper end of the waste heat boiler. An ash discharge device is provided at a lower end of the waste heat boiler. The ash discharge device is connected to the waste heat boiler by means of a funnel-shaped ash discharge opening (11). The high-parameter system comprises a high-parameter steam drum (7), a water-cooled section (2), a steam superheater (3), a first evaporator (4), and a second evaporator (5). The self-deoxygenating low-parameter system comprises a low-parameter steam drum (8) and a deoxygenating evaporator (6). A flue gas outlet (10) is provided between the deoxygenating evaporator (6) and the funnel-shaped ash discharge opening (11).

Inventors:
LIU XIANGBIN (CN)
Application Number:
CN2018/099056
Publication Date:
February 13, 2020
Filing Date:
August 06, 2018
Export Citation:
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Assignee:
JIANGSU DONGJIU HEAVY IND CO LTD (CN)
International Classes:
F22B1/18
Foreign References:
CN103868043A2014-06-18
CN203836922U2014-09-17
CN101639212A2010-02-03
CN201475966U2010-05-19
CN205156648U2016-04-13
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