Numerical study of mixed working fluid in an original oxy-fuel power plant utilizing liquefied natural gas cold energy

作者: Yixiao Han , Lei Cai , Yanlei Xiang , Yanwen Guan , Wenbin Liu

DOI: 10.1016/J.IJGGC.2018.09.013

关键词:

摘要: Abstract Oxy-fuel combustion is considered one of the most promising technologies for carbon capture and storage (CCS) in power plant. The working fluid, which composed CO2 H2O, obligatory to moderate temperature oxy-fuel systems. content H2O fluid has a significant influence on system performance. An original plant with utilization liquefied natural gas (LNG) cold energy proposed, adjustable work. results reveal that when mass fraction less than 0.3, efficiency increases increase fluid. When rises over decreases due decrease recycling heat carried by H2O. optimum transfer effect recirculating obtained optimal thermal 58.3%. Compared dry cycle, proposed increased 17.3% under condition.

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