太阳能集热系统与燃煤机组低压加热器并联的经济性分析  

Economic Analysis for Parallel Manner of Solar Collector System and Low-pressure Heaters of Coal-Fired Units

作　　者：唐菲菲[1] 胡恩俊[1] 赵春[1] 葛举生[1] 王培红[1] 

机构地区：[1]东南大学能源与环境学院,南京210096

出　　处：《华东电力》2010年第10期1536-1538,共3页East China Electric Power

基　　金：国家自然科学基金资助项目(50376011)~~

摘　　要：运用等效焓降法分析了太阳能集热系统与汽轮机低压加热器系统不同并联方式的经济性,建立了相应的等效焓降局部定量模型。结合某600 MW机组的算例分析,证明了等效焓降局部公式的正确性,得到了在太阳能集热器得热量一定的情况下,并联低压加热器的工作压力越高,节煤效益越高的结论。The various parallel manners of solar collector system and low-pressure（LP） heaters of coal-fired units were analyzed by using equivalent enthalpy drop method.The corresponding equivalent enthalpy drop partial quantitative model was thus established.By using an illustrative example of 600MW power system,it verifies that the established equivalent enthalpy drop partial formula is feasible.Finally,it concludes that under the same heat-obtaining quantity of solar collector,the higher the pressure of LP heaters in parallel is,the more economic the combined system has.

关 键 词：太阳能 燃煤机组 低压加热器 热经济性 等效焓降 

分 类 号：TM615[电气工程—电力系统及自动化]