Heating performance of space heating heat pump based on dual-cylinder rotary compressor in ultra-low temperature

Yingde YIN; Dongsheng ZHU; Shijie LIU; Zhou YE; Feiyang WANG

doi:10.11949/0438-1157.20190247

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Heating performance of space heating heat pump based on dual-cylinder rotary compressor in ultra-low temperature

Fluid dynamics and transport phenomena | 更新时间：2020-06-24

- Heating performance of space heating heat pump based on dual-cylinder rotary compressor in ultra-low temperature
- CIESC Journal Vol. 70, Issue S2, Pages: 220-227(2019)
- 作者机构：
  
  1.中国科学院广州能源研究所,广东广州 510640
  2.中国科学院可再生能源重点实验室,广东广州 510640
  3.广东省新能源和可再生能源研究开发与应用重点实验室，广东广州 510640
- 作者简介：
- 基金信息：
- DOI：10.11949/0438-1157.20190247
  CLC： TB 61⁺5
- Received：18 March 2019，
  
  Revised：2019-06-14，
  
  Published：05 September 2019
- 稿件说明：
移动端阅览
尹应德, 朱冬生, 刘世杰, 叶周, 王飞扬. 双缸滚动转子式压缩机采暖热泵低温制热性能[J]. 化工学报, 2019, 70(S2): 220-227

YIN Yingde, ZHU Dongsheng, LIU Shijie, YE Zhou, WANG Feiyang. Heating performance of space heating heat pump based on dual- cylinder rotary compressor in ultra-low temperature[J]. CIESC Journal, 2019, 70(S2): 220-227
尹应德, 朱冬生, 刘世杰, 叶周, 王飞扬. 双缸滚动转子式压缩机采暖热泵低温制热性能[J]. 化工学报, 2019, 70(S2): 220-227 DOI： 10.11949/0438-1157.20190247.

YIN Yingde, ZHU Dongsheng, LIU Shijie, YE Zhou, WANG Feiyang. Heating performance of space heating heat pump based on dual- cylinder rotary compressor in ultra-low temperature[J]. CIESC Journal, 2019, 70(S2): 220-227 DOI： 10.11949/0438-1157.20190247.

摘要

对双缸滚动转子式压缩机采暖热泵在环境温度（

）为-30～0℃，出水温度（

）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

=41℃时，

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

=0℃时，

从41℃上升到45℃，制热量降幅仅为5.61%；外界环境温度对COP

值的影响也显著，当

=41℃时，

从0℃下降到-30℃，COP

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。

Abstract

The heating performance of space heating heat pump (SHHP) with dual-cylinder rotary compressor was tested at low ambient temperature (

) in the range of -30—0℃

and water outlet temperature (

) in the range of 41—50℃. The results show that ambient temperature has great influence on its discharge temperature and evaporating temperature

but little on condensing temperature; hot water outlet temperature has great influence on its condensing temperature

and little influence on its discharge temperature and evaporating temperature. With the decrease of ambient temperature

the heat capacity of SHHP decreases sharply

when

= 41℃

decreases from 0℃ to -30℃

and the heat capacity decreases by 62.16%. With the increase of outlet temperature

the heat capacity of SHHP decreases slowly

when

= 0℃

rises from 41℃ to 45℃

the heat capacity decreases by only 5.61%. The influence of ambient temperature on COP

value is also obvious

when

= 41℃

decreases from 0℃ to -30℃

COP

decreases from 2.94 to 1.38

a drop of 53.06%. The SHHP with dual-cylinder rotary compressor has good practical value to be applied in low temperature condition of -30—0℃.

关键词

Keywords

references

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