Review on thermal-science fundamental research of pressurized oxy-fuel combustion technology

被引:11
作者
Wang, Xinran [1 ]
Shan, Shiquan [1 ]
Wang, Zhihua [1 ]
Zhou, Zhijun [1 ]
Cen, Kefa [1 ]
机构
[1] Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
基金
国家重点研发计划; 中国国家自然科学基金;
关键词
pressurized oxy-fuel combustion (POC); CO2; control; system efficiency; radiation heat transfer; RADIATION HEAT-TRANSFER; CIRCULATING FLUIDIZED-BED; GRAY-GASES MODEL; 2-DIMENSIONAL RECTANGULAR ENCLOSURE; BLACKBODY DISTRIBUTION FUNCTION; CORRELATED-K-DISTRIBUTION; COAL COMBUSTION; WEIGHTED-SUM; PULVERIZED COAL; PROPERTY MODEL;
D O I
10.1007/s11708-024-0931-y
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
As the next-generation oxy-fuel combustion technology for controlling CO2 emissions, pressurized oxy-fuel combustion (POC) technology can further reduce system energy consumption and improve system efficiency compared with atmospheric oxy-fuel combustion. The oxy-fuel combustion causes high CO2 concentration, which has a series of effects on the combustion reaction process, making the radiation and reaction characteristics different from air-fuel conditions. Under the pressurized oxy-fuel condition, the combustion reaction characteristics are affected by the coupling effect of pressure and atmosphere. The radiation and heat transfer characteristics of the combustion medium are also affected by pressure. In recent years, there have been many studies on POC. This review pays attention to the thermal-science fundamental research. It summarizes several typical POC systems in the world from the perspective of system thermodynamic construction. Moreover, it reviews, in detail, the current research results of POC in terms of heat transfer characteristics (radiant heat transfer and convective heat transfer), combustion characteristics, and pollutant emissions, among which the radiation heat transfer and thermal radiation model are the focus of this paper. Furthermore, it discusses the development and research direction of POC technology. It aims to provide references for scientific research and industrial application of POC technology.
引用
收藏
页码:760 / 784
页数:25
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