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	Thermodynamic analysis of the coal gasification process
	Liu Guangjian ; Li Zheng ; Huang He ; Weldou, N.
	2010-10-12 ; 2010-10-12
关键词	Practical/ chemical reactions coal gasification exergy heat transfer irreversible thermodynamics/ thermodynamic analysis coal gasification process entropy conservation equation irreversible processes exergy destruction solid carbon gasification reactant mixing step chemical reactions heat transfer exothermic reactions endothermic reactions/ E3624 Fuel processing industry E2120 Heat and thermodynamic processes (mechanical engineering) E1525 Industrial processes
中文摘要	The entropy conservation equation for irreversible processes was used to analyze the exergy destruction and the reasons for exergy destruction during solid carbon gasification. The process was divided into the reactant mixing step, chemical reactions, heat transfer, and product mixing sub-processes. Energy losses in the gasification process were analyzed for various operating conditions, with the influence of the various exothermic and endothermic reactions on the exergy losses studied based on the gasification process theoretical working ability. The results show that when coupled with the exothermic and endothermic reactions, for 1 kg solid carbon with a molar ratio of oxygen to carbon of 0. 35 and a molar ratio of steam to carbon of 0. 31, the local minimum exergy loss is 4. 521 MJ, with an optimum gasification temperature of 1 200 K.
语种	中文
出版者	Tsinghua University Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/79998]
专题	清华大学
推荐引用方式 GB/T 7714	Liu Guangjian,Li Zheng,Huang He,et al. Thermodynamic analysis of the coal gasification process[J],2010, 2010.
APA	Liu Guangjian,Li Zheng,Huang He,&Weldou, N..(2010).Thermodynamic analysis of the coal gasification process..
MLA	Liu Guangjian,et al."Thermodynamic analysis of the coal gasification process".(2010).

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