摘要
火电厂热力系统不同疏水方式对机组的经济性有很大影响。通过热平衡法和等效焓降法对不同疏水回收方式的循环热效率等指标进行计算比较,表明1000MW机组的低加回热系统采用疏水冷却器比采用疏水泵更经济、安全,在实际运行中可以广泛使用。对热力系统的节能改造及经济运行具有重要的指导意义,可为热力系统的节能改造提供定量数据支持。
Thermal system drainage recycling has a great influence on heat economy of a power unit. The heat efficiency of different modes of drainage recycling is calculated and analyzed with heat balance method and equivalent enthalpy drop method in this paper,which show that it is more economical and safe to use the drain cooler for low pressure regenerative heating system of 1 000 MW units than to use the low pressure pomp which can be widely used in In the actual operation for important guiding significance on the thermal system, energy-saving and economic operation, and provide the quantitative date for thermal system energy saving and transformation.
出处
《汽轮机技术》
北大核心
2010年第6期464-466,共3页
Turbine Technology
