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影响CZK150/145-13.2/0.294/535/535型汽轮机组热经济性的因素分析

Yewei ZHU,Qingsen ZHAO,Quanrong SUN

Thermal Power Generation（2012）

Cited 1|Views32
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Abstract
应用等效焓降法计算分析了CZK150/145-13.2/0.294/535/535型汽轮机组过热蒸汽减温水、再热蒸汽减温水以及热力设备如加热器、疏水泵的投运等对机组能耗的影响.结果表明,再热器减温喷水使机组热耗增加18.56 kJ/(kW· h),较过热器减温喷水时的机组热耗2.20 kJ/(kW·h)大很多；隔离高压加热器后使机组热耗增加57.44kJ/(kW·h)；隔离疏水泵后使机组热耗增加13.41 kJ/(kW,h).对此,提出了机组运行中应尽量减少再热减温水量,以及尽量保持较高的高压加热器和疏水泵的投运率.
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Key words
high pressure heater,turboset,heat consumption,reheater,attemperating water,drain pump,superheater,equivalent enthalpy drop
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