大型汽轮机抽汽采用背压式汽轮机供热技术经济效益评价  

Evaluation of Economic Benefits of Back-pressure Steam Turbine Heating Technology for Large Steam Turbine Extraction Steam

作　　者：陆群 LU Qun(China Power(Chengdu)Comprehensive Energy Co.,Ltd.,Chengdu 610000,China)

机构地区：[1]中电(成都)综合能源有限公司,四川成都610000

出　　处：《电工技术》2021年第23期185-187,共3页Electric Engineering

摘　　要：大型汽轮机抽汽常采用背压式汽轮机供热技术,通过对630 MW汽轮机及背压式汽轮机进行性能试验,分别采用定主蒸汽流量法和定发电功率法对背压式汽轮机供热技术经济效益进行对比分析,结合发电企业实际情况,总结供热效益的科学评价方法,为背压式汽轮机供热技术评价提供依据,工程应用价值显著。Large steam turbine extraction steam often uses back pressure steam turbine heating technology.Through the performance test of 630 MW steam turbine and back pressure steam turbine,the technical and economic benefits of back pressure steam turbine heating are compared and analyzed by using constant main steam flow method and constant power generation method respectively.Combined with the actual situation of power generation enterprises,the scientific evaluation method of heating benefits is summarized,which provides the basis for scientific evaluation of heating technology of backpressure steam turbine.The engineering application value is remarkable.

关 键 词：汽轮机 功率 背压式汽轮机 供热 经济效益 

分 类 号：TK262[动力工程及工程热物理—动力机械及工程]