用主蒸汽流量确定抽汽机组滑压曲线的研究

Main steam flow to determine the extraction unit Study of sliding pressure curve

阐述了影响抽汽机组的效率的主要因素,分析了采用主蒸汽流量作为自变量来确定并优化抽汽机组滑压曲线的可行性,给出了在电厂进行试验的步骤和方法。实践证明,该方法能够克服背压变化、抽汽量变化等因素对滑压运行曲线的影响,优化了滑压运行曲线,提升了机组运行经济性。

This paper describes the main factors affect the efficiency of the extraction unit, and analyzed using the main steam flow rate as independent variables to determine and optimize the extraction unit sliding pressure curve of the feasibility, given the steps and methods of the experiment in the power plant. Practice has proved that this method can overcome the back pressure change, the extraction amount of changes and other factors on the sliding pressure operation curve to optimize the curve of sliding pressure operation and enhance the economy of plant operation.