汽轮机双压凝汽器运行经济性分析及对策

Operational economy analysis for double-pressure condensers of steam turbines

介绍了大容量汽轮机双压凝汽器原理和运行经济特性,以及凝汽器运行现场数据,指出了存在的主要问题,是高压侧与低压侧压力差比设计值低、循环水温升小于设计值等;提出了改进措施。为设备制造和设计部门,发电厂运行提供借鉴,以便发挥双压凝汽器的技术优势,提升汽轮机运行经济性。

The working principle and operational economy of the double-pressure condenser of large steam turbines are presented, as well as the field operational data of the condenser. The main problems are pointed out, such as the pressure difference between the high pressure side and the low pressure side is lower than the designed value, and the temperature rise of the circulating water is lower than the designed value. To solve the problems, improvement measures are proposed.