两种利用电厂热量采暖供热的方案比较Comparison of Two Heating Programs by Using Power Plant Heat
林俊光,任渊源,张卫灵,崔云素
LIN Jun guang,REN Yuan yuan,ZHANG Wei ling,CUI Yun su
摘要(Abstract):
发电厂有大量的低温余热被浪费,而通过热泵则可以将发电厂循环水的余热回收利用,从而提高热利用效率。基于热泵技术提出了一种汽水双热源供热量可调的集中供热系统,并与常规热电厂供热系统进行对比,认为利用热泵回收发电厂余热具有节能、环保的双重效应。虽然汽水双热源供热量可调集中供热系统的初投资较高,但运行费用较低,仅需3年就可收回投资。
A great deal of low-temperature residual heat is wasted in power plant. Recycling the residual heat of circulating water by heat pump could increase the efficiency of heat utilization. The paper proposes a central heating system with steam and water heat sources and heat adjustability on the basis of heat pump technology and it compares the central heating system with the conventional heating system in thermal power plants. The paper believes that residual heat recycling by heat pump can save the energy and protect the environment. Though the investment in central heating system with steam and water heat sources and heat adjustability is high, the cost for operation is lower, and the investment can be returned in three years.
关键词(KeyWords):
发电厂;余热;循环水;热泵;供热;节能
power plant;waste heat;circulating water;heat pump;heating;energy saving
基金项目(Foundation):
作者(Author):
林俊光,任渊源,张卫灵,崔云素
LIN Jun guang,REN Yuan yuan,ZHANG Wei ling,CUI Yun su
DOI: 10.19585/j.zjdl.2013.10.015