Performance Analysis and Optimization of the Supercritical CO2 Power Generation Systems with Oxy-Fuel Combustion Technology

被引：1
|
作者：
Choi, Byeong Seon [1 ]
Chang, Sung Ho [1 ]
Choi, Woo Sung [1 ]
Lee, Sang Min [1 ]
Kang, Hae Su [1 ]
机构：
[1] KEPCO Res Inst, Power Generat Lab, Daejeon, South Korea
来源：
TRANSACTIONS OF THE KOREAN SOCIETY OF MECHANICAL ENGINEERS B | 2020年 / 44卷 / 10期
关键词：
Supercritical CO2; Oxy-Fuel Combustion; Gas Turbine; Carbon Capture; CYCLE;
D O I：
10.3795/KSME-B.2020.44.10.603
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Oxy-fuel combustion carbon capture technology has the advantage of easy CO2 capture and near-zero NOx emissions through combustion with a fuel by using only oxygen instead of air as the oxidant. In this study, a direct-fired supercritical CO2 power generation system that uses oxy-fuel combustion technology is proposed and its performance is analyzed. In addition, we optimized the values of the main parameters, such as turbine inlet pressure, CO2 compressor inlet pressure, and split ratio, to maximize the system efficiency. As a result, the efficiency of the power generation system at a turbine inlet temperature of 900 degrees C was approximately 46.9 %, including the power consumption of the air separation unit. The results were also compared with the Allam cycle, previously known as the supercritical CO2 power generation systems with oxy-fuel combustion technology.
引用
收藏
页码：603 / 610
页数：8
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