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采用多背压凝汽器是有效提高汽轮机组经济性的方式。目前国内AP1000核电站的凝汽器均为单背压。本文通过对单背压凝汽器与多背压凝汽器的技术和经济性比较,得出三门3、4号机组采用单背压凝汽器方案的必要性,并对后续AP1000项目凝汽器配置提出建议。
Using multiple backpressure condenser is an effective way to improve the economy of steam turbine. Currently domestic AP1000 nuclear power plant condensers are single back pressure. In this paper, the technical and economical comparison between single backpressure condenser and multi-backpressure condenser is made, and the necessity of adopting single backpressure condenser scheme for Sanmen No.3 and No.4 generating units is obtained. Proposal for steam turbine configuration.