电厂循环水水源热泵供热系统可行性分析
西安交通大学 孙志新 戴义平 王江峰
陕西电力科学研究院?? 李?? 平
摘要 建立了电厂循环水水源热泵数学模型, 分析了凝汽器温度对热泵蒸发温度和制热系数等主要参数的影响, 经过计算得到了热泵供热优于抽汽供热的临界参数。实际算例表明,当凝汽器温度高于33. 65 时, 热泵供热比抽汽供热更为经济。
关键词?? 水源热泵?? 电厂循环水?? 可行性分析
Feasibil ity analysis of circulating water??source heat
pump heating system in power plant
By Sun Zhix in, Dai Yip ing , Wang J iangf eng and L i Ping
Abstract Est ablishes a m athema tica l m odel, analy ses the e ff ect o f the tempera tur e of co ndense r on
the main par amete rs such as ev apor ato r temper atur e and COP. Thro ugh calc ulatio n, o btains the critic al
pa ram eter s when he at pump hea ting is super io r t o ex trac tio n steam hea ting. The ca lcula tio n r esult o f an
exam ple shows that heat pump heat ing is mor e economical than ex tr action steam he ating w hen the
temper atur e o f the condenser is a bo ve 33. 65 .
Keywords water source heat pump, power plant circ ulating wate r, fea sibility ana ly sis
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