常规高中压合缸反动式汽轮机过桥漏汽对高中压缸效率及整机性能的影响  

The Influence of Steam Leakage on the Efficiency of High Pressure Cylinder and the Performance of The Turbine

作　　者：高建民 刘世云[2] GAO Jian-min;LIU Shi-yun(SPIC Inner Mongolia Energy Co.,Ltd.,Tongliao 028011,China;Harbin Turbine Company Limited,Harbin 150046,China)

机构地区：[1]国家电投集团内蒙古能源有限公司,通辽028011 [2]哈尔滨汽轮机厂有限责任公司,哈尔滨150046

出　　处：《汽轮机技术》2021年第6期471-472,共2页Turbine Technology

摘　　要：通过介绍了平衡鼓过桥漏汽的设计原理,经过计算后,从理论上得到过桥漏汽量对600MW等级超临界汽轮机组高、中压缸效率的影响,进而证明控制平衡鼓过桥汽封间隙对电厂实际运行经济性的重要性。The purpose of this paper is to introduce the design principle of bridge steam leakage of balance drum and after calculation,theoretically get the influence of bridge steam leakage on the efficiency of high and medium pressure cylinder of 600MW class supercritical steam turbine unit,and then prove the importance of controlling the bridge steam seal clearance of balance drum to the actual operation economy of power plant.

关 键 词：高中压缸效率 过桥汽封漏汽 整机性能 

分 类 号：TK262[动力工程及工程热物理—动力机械及工程]