Performance of new absorption refrigeration system driven bydouble low-grade energy

HE Lijuan; LIANG Jingjing; ZHU Chaoqun; WANG Zheng

doi:10.11949/j.issn.0438-1157.20150608

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Performance of new absorption refrigeration system driven bydouble low-grade energy

更新时间：2025-12-10

- Performance of new absorption refrigeration system driven bydouble low-grade energy
- CIESC Journal Issue 12, Pages: 5096-5102(2015)
- 作者机构：
  
  1. 内蒙古科技大学能源与环境学院,内蒙古,包头,014010
  2. 伦敦大学学院,伦敦,英国,WC1E 7JE
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20150608
  CLC： B61+1
- Online First：05 December 2015，
  
  Published：05 December 2015
- 稿件说明：
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HE Lijuan, LIANG Jingjing, ZHU Chaoqun, et al. Performance of new absorption refrigeration system driven bydouble low-grade energy[J]. CIESC Journal, 2015, (12): 5096-5102.
DOI：

HE Lijuan, LIANG Jingjing, ZHU Chaoqun, et al. Performance of new absorption refrigeration system driven bydouble low-grade energy[J]. CIESC Journal, 2015, (12): 5096-5102. DOI： 10.11949/j.issn.0438-1157.20150608.

摘要

针对传统低品位热驱动CO2-离子液体制冷系统的制冷效率低等缺陷

从吸收制冷循环基本原理和能量梯级利用原理出发

提出一种双低品位热驱动CO2-[emim][Tf2N]吸收制冷系统。为了测试新系统性能

自行搭建双低品位热驱动CO2-[emim][Tf2N]吸收制冷实验装置。在定流量的实验条件下进行新系统性能的实验研究。实验结果表明

双低品位热驱动CO2-[emim][Tf2N]吸收制冷系统的制冷系数和制冷量随高低温热量比的增大而增大

随高压箱体压力和冷却水入口温度的升高而降低

新系统可制取高品位冷量

还具有较高的效率

制冷效率提高将近50%左右。

Abstract

Since the efficiency of traditional absorption refrigeration system driven by low-grade energy is low

a new CO2-[emim][Tf2N] absorption refrigeration cycle driven by double low-grade energy is introduced based on cascaded utilization energy. Experimental equipment is built to evaluate the performance of the new refrigeration system. Experimental results at constant flow rates indicate that COP and cooling capacity of the new system increase with the increase of heat ratio between the two generators

decrease with the increase of cooling water and pressure in high pressure generator. The new system gives a higher value of refrigeration capacity and a higher value of COP. Compared with the traditional absorption refrigeration system

COP increases by 50%.

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