대한기계학회논문집B (Transactions of the Korean Society of Mechanical Engineers B)

  • 제33권12호
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  • Pages.968-976
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  • 2009
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  • 1226-4881(pISSN)
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  • 2288-5324(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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배열회수형 순산소연소 발전시스템의 성능해석: CO2 포집의 영향

Performance Analysis of an Oxy-fuel Combustion Power Generation System Based on Waste Heat Recovery: Influence of CO2 Capture

  • 발행 : 2009.12.01
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초록

As the global warming becomes a serious environmental problem, studies of reducing $CO_2$ emission in power generation area are in progress all over the world. One of the carbon capture and storage(CCS) technologies is known as oxy-fuel combustion power generation system. In the oxy-fuel combustion system, the exhaust gas is mainly composed of $CO_2$ and $H_2O$. Thus, high-purity $CO_2$ can be obtained after a proper $H_2O$ removal process. In this paper, an oxy-fuel combustion cycle that recovers the waste heat of a high-temperature fuel cell is analyzed thermodynamically. Variations of characteristics of $CO_2$ and $H_2O$ mixture which is extracted from the condenser and power consumption required to obtain highly-pure $CO_2$ gas were examined according to the variation of the condensing pressure. The influence of the number of compression stages on the power consumption of the $CO_2$ capture process was analyzed, and the overall system performance was also investigated.

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참고문헌

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피인용 문헌

  1. vol.13, pp.1, 2010, https://doi.org/10.5293/KFMA.2010.13.1.063
  2. Enhancement of MCFC System Performance by Adding Bottoming Cycles vol.34, pp.10, 2010, https://doi.org/10.3795/KSME-B.2010.34.10.907