摘要
为分析热电联产机组在热泵供热系统中的燃料利用情况、开展燃料节能评价,提出了面向热泵供热的热电联产机组燃料节能评价方法。构建了热泵热电联产机组的运行结构,分析熵平衡状态和热平衡状态,利用性能系数分析热泵供热系统的热力性能;通过热泵系统的性能系数计算在额定工况下对应的供热量,根据热泵供热系统工作状态下的总煤耗计算热电联产机组的节煤率,实现热电联产机组燃料节能评价。实验结果表明,面向热泵供热的热电联产机组燃料节能评价方法可准确分析热电联产机组的性能变化情况,具有较高的评价精度。
In order to analyze the fuel utilization of combined thermoelectric generating sets in heat pump heating system and carry out fuel energy-saving evaluation,a fuel energy-saving evaluation method of combined thermoelectric generating sets for heat pump heating was proposed.The operation structure of such combined thermoelectric generating sets was constructed,the entropy equilibrium state and thermal equilibrium state were analyzed,and the thermal performance of heat pump heating system was analyzed with performance coefficient.According to the performance coefficient of heat pump system,the corresponding heat supply under rated working conditions was calculated,and the coal saving rate of combined thermoelectric generating sets was calculated based on the total coal consumption of heat pump heating system under working conditions,so as to realize the fuel energy-saving evaluation of combined thermoelectric generating sets.The experimental results showed that the fuel energy-saving evaluation method of combined thermoelectric generating sets for heat pump heating could accurately analyze the performance changes of combined thermoelectric generating sets and had high evaluation accuracy.
作者
单联进
Shan Lianjin(Jinan University,Jinan Shandong 250022,China)
出处
《煤化工》
CAS
2023年第4期174-177,共4页
Coal Chemical Industry
基金
山东省科技项目(202100210003)。
关键词
热泵供热
热电联产机组
节煤率
燃料节能评价
heat pump heating
combined thermoelectric generating sets
coal saving rate
fuel energy-saving evaluation
