Analysis of Refrigerant Substitution Scheme for Household Air Conditioning under Kigali Amendment

Lu Tianyu; Ma Guoyuan; Li Xiang; Xu Shuxue

doi:10.3969/j.issn.0253-4339.2024.04.014

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Analysis of Refrigerant Substitution Scheme for Household Air Conditioning under Kigali Amendment

Refrigerant Substitution Technology | 更新时间：2024-09-02

- Analysis of Refrigerant Substitution Scheme for Household Air Conditioning under Kigali Amendment
- Journal of Refrigeration Vol. 45, Issue 4, Pages: 14-20(2024)
- 作者机构：
  
  北京工业大学制冷与低温工程系　北京　 100124
- 作者简介：
  
  Ma Guoyuan, male, professor, School of Environment and Life, Beijing University of Technology, 86-13911020383, E-mail: Magy@bjut.edu.cn. Research fields: refrigeration and cryogenic engineering.
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2024.04.014
  CLC： TB61⁺2;TM925.12
- Received：27 December 2023，
  
  Revised：03 January 2024，
  
  Accepted：15 January 2024，
  
  Published：16 August 2024
- 稿件说明：
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Lu Tianyu, Ma Guoyuan, Li Xiang, et al. Analysis of Refrigerant Substitution Scheme for Household Air Conditioning under Kigali Amendment[J]. Journal of refrigeration, 2024, 45(4): 14-20.
DOI：

Lu Tianyu, Ma Guoyuan, Li Xiang, et al. Analysis of Refrigerant Substitution Scheme for Household Air Conditioning under Kigali Amendment[J]. Journal of refrigeration, 2024, 45(4): 14-20. DOI： 10.3969/j.issn.0253-4339.2024.04.014.

摘要

家用空调领域的制冷剂替代已经成为全球制冷空调行业共同关注的问题。对基加利修正案具体条款进行解析，以R410A制冷剂的GWP作为基线，选取不同的等效因子，计算不同国家地区在不同年份时的法规限值；在不同国家法规限制下选用R410A、R32、R454B、R161、R290中3种可用制冷剂进行组合来表征不同使用情景，按照基加利修正案GWP限值对HFCs制冷剂替代进程进行预测分析，讨论制冷剂充注量减少对其影响。结果表明：为满足基加利修正案要求，欧洲地区2024年R290占比须超过30%，成为主流制冷剂，而美国可以通过减少R454B充注量来实现不使用R290的可能性，中国地区在使用R290或R161的情况下即可满足GWP限值，没有二者同时应用的必要性。

Abstract

Refrigerant substitution in household air conditioning has become a common concern in the global refrigeration and air conditioning industries. This study analyzes the specific clauses of the Kigali Amendment. Based on the GWP value of the R410A refrigerant

different equivalent factors were selected to calculate the regulatory limits of different countries and regions in different years. Under the restrictions of different national laws and regulations

three available refrigerants from R410A

R32

R454B

R161

and R290

have been selected to represent different usage scenarios. The refrigerant replacement process of HFCs was predicted and analyzed following Kigali′s revised Global Warming Potential(GWP) limit

and the influence of refrigerant charge reduction was discussed. The results show that to satisfy the Kigali Amendment

the proportion of R290 in Europe must exceed 30% and become the mainstream refrigerant in 2024

whereas the United States can realize the possibility of not using R290 by reducing the charge of R454B. China can meet the GWP limit by using either R290 or R161and there is no need to switch to both two refrigerants simultaneously.

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