大型供热机组双背压双转子互换供热节能实践  

Energy Saving Practice of Double Backpressure and Double Rotors Interchangeable Heating in Large Heating Units

作　　者：孙卫华 贾学东 SUN Weihua;JIA Xuedong(Shandong Lineng Power Technology Co.,Ltd.)

机构地区：[1]山东丽能电力技术股份有限公司

出　　处：《上海节能》2025年第2期280-284,共5页Shanghai Energy Saving

摘　　要：介绍了高背压循环水供热改造技术,并在此基础上引入双背压设计概念,通过关键核心技术的掌握,实现了大容量供热式汽轮机组通过低压缸双转子互换的运行方式,在保障安全运行的前提下,最大限度增加了汽轮机的供热能力、消除了冷端损失,降低了年平均能耗。This paper introduces the high back pressure circulating water heating renovation technology,and introduces the dual back pressure design concept on this basis.By mastering key core technologies,the operation of a large-capacity heating steam turbine unit is achieved through the interchange of low-pressure cylinders and dual rotors.On the premise of ensuring safe operation,it maximizes the heat supply capacity of the steam turbine,eliminates cold end losses,and reduces the average annual energy consumption.

关 键 词：供热改造 “双碳” 节能 转子互换 循环水供热 

分 类 号：TM611[电气工程—电力系统及自动化]