化工学报 ›› 2019, Vol. 70 ›› Issue (S2): 220-227.doi: 10.11949/0438-1157.20190247
尹应德1,2,3(),朱冬生1,2,3,刘世杰1,2,3,叶周1,2,3,王飞扬1,2,3
Yingde YIN1,2,3(),Dongsheng ZHU1,2,3,Shijie LIU1,2,3,Zhou YE1,2,3,Feiyang WANG1,2,3
摘要:
对双缸滚动转子式压缩机采暖热泵在环境温度(Tod)为-30~0℃,出水温度(Two)为41~50℃范围内的制热进行测试。研究表明:外界环境温度对排气温度、蒸发温度影响很大,对冷凝温度影响很小;热水出水温度对冷凝温度影响很大,对排气温度、蒸发温度影响很小。随着外界环境温度的降低,采暖热泵的制热量急剧下降,当Two=41℃时,Tod从0℃下降到-30℃,制热量的降幅达62.16%;随着出水温度的升高,采暖热泵的制热量下降缓慢,当Tod=0℃时,Two从41℃上升到45℃,制热量降幅仅为5.61%;外界环境温度对COPh值的影响也显著,当Two=41℃时,Tod从0℃下降到-30℃,COPh值从2.94下降到1.38,降幅达53.06%。双缸滚动转子式压缩机采暖热泵应用于-30~0℃的低温工况下,具有良好的实用价值。
中图分类号:
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