Performance of MnCl2/CaCl2-NH3 resorption refrigeration system

ZHU Fangqi; JIANG Long; WANG Liwei; WANG Ruzhu

doi:10.11949/j.issn.0438-1157.20161362

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Performance of MnCl₂/CaCl₂-NH₃ resorption refrigeration system

更新时间：2025-11-26

- Performance of MnCl₂/CaCl₂-NH₃ resorption refrigeration system
- CIESC Journal Issue S2, Pages: 32-37(2016)
- 作者机构：
  
  上海交通大学制冷与低温工程研究所,上海,200240
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20161362
  CLC： K172
- Online First：30 December 2016，
  
  Published：30 December 2016
- 稿件说明：
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ZHU Fangqi, JIANG Long, WANG Liwei, et al. Performance of MnCl₂/CaCl₂-NH₃ resorption refrigeration system[J]. CIESC Journal, 2016, (S2): 32-37. DOI: 10.11949/j.issn.0438-1157.20161362.
DOI：

ZHU Fangqi, JIANG Long, WANG Liwei, et al. Performance of MnCl₂/CaCl₂-NH₃ resorption refrigeration system[J]. CIESC Journal, 2016, (S2): 32-37. DOI: 10.11949/j.issn.0438-1157.20161362. DOI：

摘要

利用膨胀硫化石墨为基质研制了固化混合吸附剂，并搭建了低品位热能驱动的MnCl2/CaCl2-NH3为工质对的再吸附制冷系统。对该系统进行实验研究，结果表明：160℃热源温度为制冷性能系数（COP）的拐点温度，最大制冷功率为2.98 kW。当热源温度高于160℃时，系统显热负荷增大，继续加热高温床会降低制冷效率。当制冷温度为15℃时，系统COP为0.284~0.396；单位质量吸附剂的制冷功率（SCP）为100.3~338.8 W·kg-1。SCP随热源温度的升高而逐渐升高。

Abstract

The solid composite sorbents based on the matrix of expanded natural graphite treated with sulfuric acid are developed

and a MnCl2/CaCl2-NH3 resorption refrigeration system driven by low-grade thermal energy is established and experimentally investigated.Results indicate that 160℃ heat source temperature is the inflection temperature of coefficient of performance for refrigeration (COP)

and a maximum cooling power of 2.98 kW is achieved.When the heating temperature is higher than 160℃

sensible heat load of the system increases which means keeping heating high temperature salt (HTS) sorption bed will reduce the overall refrigeration efficiency.For refrigeration temperature of 15℃

COP of the system ranges from 0.284 to 0.396 while specific cooling power (SCP) ranges from 100.3 to 338.8 W·kg-1.SCP increases with the increment of heat source temperature.

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