Simulations and experiments of substitution of R41 for R23 in auto-cascade refrigeration cycle with rectifying column at -60℃

SONG Qi; LE Shengjian; LÜ Dongjie; WANG Hui; XU Xiangguo; WANG Qin; GUO Zhikai

doi:10.11949/j.issn.0438-1157.20161407

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Simulations and experiments of substitution of R41 for R23 in auto-cascade refrigeration cycle with rectifying column at -60℃

更新时间：2025-11-26

- Simulations and experiments of substitution of R41 for R23 in auto-cascade refrigeration cycle with rectifying column at -60℃
- CIESC Journal Issue S2, Pages: 304-310(2016)
- 作者机构：
  
  1. 浙江大学制冷与低温研究所, 浙江省制冷与低温技术重点实验室,浙江,杭州,310027
  2. 浙江蓝天环保高科技股份有限公司,浙江,杭州,310023
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20161407
  CLC： B61
- Online First：30 December 2016，
  
  Published：30 December 2016
- 稿件说明：
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SONG Qi, LE Shengjian, LÜ Dongjie, et al. Simulations and experiments of substitution of R41 for R23 in auto-cascade refrigeration cycle with rectifying column at -60℃[J]. CIESC Journal, 2016, (S2): 304-310.
DOI：

SONG Qi, LE Shengjian, LÜ Dongjie, et al. Simulations and experiments of substitution of R41 for R23 in auto-cascade refrigeration cycle with rectifying column at -60℃[J]. CIESC Journal, 2016, (S2): 304-310. DOI： 10.11949/j.issn.0438-1157.20161407.

摘要

选取R1234ze（E）作为高沸点组分，对R41在-60℃温区二元精馏型自复叠制冷循环中替代R23进行循环性能对比分析。设计并搭建采用精馏型自复叠制冷循环的实验装置，对R23/R1234ze（E）和R41/R1234ze（E）混合制冷剂在系统中的循环性能进行实验对比。理论分析和实验结果均表明：以R1234ze（E）作为高沸点组分时，用R41替代R23后系统COP略有下降，单位体积压缩功减小1/3~1/2，单位容积制冷量稍有降低，但系统单位质量制冷量明显提高，可以大大减小充注量。更重要的是R41的GWP的显著减少能起到很明显的环境保护作用。

Abstract

R41 was selected to substitute for R23 in an auto-cascade refrigeration cycle with a rectifying column at-60℃.Performance comparisons and analyses were conducted when R1234ze(E) was selected as the less volatile component.An experimental apparatus was designed and established to compare the performances of R23/R1234ze(E) and R41/R1234ze(E) in the system.Both theoretical and experimental results showed that when adopting R1234ze(E) as the less volatile component

COP values decreased slightly and the compression work per unit volume decreased by 1/3-1/2 after the substitution of R41 for R23.Besides

the refrigeration capacity per unit volume also decreased slightly

but the refrigeration capacity per unit mass showed an obvious increase

which would result in significant refrigerant charge reduction.More importantly

the reduction in GWP of R41 would bring obvious environmental protection effect.

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