Influence of Air Intrusion in R32 Compressor on Combustible Risk

During the operation of the air conditioner, when the outlet of the air conditioner condenser is blocked, if there is a leak point in the front section of the compressor and the air is taken in, the mixture of R32 refrigerant and air will burn or explode when the temperature and pressure reach certa...

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Main Authors: Jin Wufeng, Ma Jingda, Liu Shuo, Choi Bongsoo, Wang Zhiqiang
Format: Article
Language:zho
Published: Journal of Refrigeration Magazines Agency Co., Ltd. 2020-01-01
Series:Zhileng xuebao
Subjects:
Online Access:http://www.zhilengxuebao.com/thesisDetails#10.3969/j.issn.0253-4339.2020.04.001
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author Jin Wufeng
Ma Jingda
Liu Shuo
Choi Bongsoo
Wang Zhiqiang
author_facet Jin Wufeng
Ma Jingda
Liu Shuo
Choi Bongsoo
Wang Zhiqiang
author_sort Jin Wufeng
collection DOAJ
description During the operation of the air conditioner, when the outlet of the air conditioner condenser is blocked, if there is a leak point in the front section of the compressor and the air is taken in, the mixture of R32 refrigerant and air will burn or explode when the temperature and pressure reach certain conditions. In this paper, in the view of the safe operation of the R32 compressor, when the air conditioner is running, close the condenser outlet. The combination of experimental and simulation studies is used to investigate the risk of flammability in the R32 compressor when the air intrusion is 10%, 40%, or 60% of the compressor intake. The analysis results show that the air intrusion amount is 10% of the compressor suction, the impact on the compressor discharge pressure and exhaust temperature is small, and the flammability risk is low; When the amount of air intrusion is greater than 10% of the intake of the compressor, as the amount of air intrusion increases, the discharge pressure increases and when the air intrusion amount is 60%, the exhaust pressure exceeds 17% of the rated outlet pressure of the compressor. At this time, the temperature of the lubricating oil in the oil pool exceeds 100 ℃, generating The carbon deposit increases the risk of combustion and explosion; the coil winding temperature of the motor exceeds the temperature limit of the insulating material by 120 ℃, accelerating the aging of the insulating material to cause a short circuit to generate sparks, and increasing the flammability risk in the R32 compressor.
format Article
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issn 0253-4339
language zho
publishDate 2020-01-01
publisher Journal of Refrigeration Magazines Agency Co., Ltd.
record_format Article
series Zhileng xuebao
spelling doaj-art-86100da0541f484eac5f4836599fce7c2025-08-20T03:15:53ZzhoJournal of Refrigeration Magazines Agency Co., Ltd.Zhileng xuebao0253-43392020-01-014166506905Influence of Air Intrusion in R32 Compressor on Combustible RiskJin WufengMa JingdaLiu ShuoChoi BongsooWang ZhiqiangDuring the operation of the air conditioner, when the outlet of the air conditioner condenser is blocked, if there is a leak point in the front section of the compressor and the air is taken in, the mixture of R32 refrigerant and air will burn or explode when the temperature and pressure reach certain conditions. In this paper, in the view of the safe operation of the R32 compressor, when the air conditioner is running, close the condenser outlet. The combination of experimental and simulation studies is used to investigate the risk of flammability in the R32 compressor when the air intrusion is 10%, 40%, or 60% of the compressor intake. The analysis results show that the air intrusion amount is 10% of the compressor suction, the impact on the compressor discharge pressure and exhaust temperature is small, and the flammability risk is low; When the amount of air intrusion is greater than 10% of the intake of the compressor, as the amount of air intrusion increases, the discharge pressure increases and when the air intrusion amount is 60%, the exhaust pressure exceeds 17% of the rated outlet pressure of the compressor. At this time, the temperature of the lubricating oil in the oil pool exceeds 100 ℃, generating The carbon deposit increases the risk of combustion and explosion; the coil winding temperature of the motor exceeds the temperature limit of the insulating material by 120 ℃, accelerating the aging of the insulating material to cause a short circuit to generate sparks, and increasing the flammability risk in the R32 compressor.http://www.zhilengxuebao.com/thesisDetails#10.3969/j.issn.0253-4339.2020.04.001R32air conditioning compressorair intrusionexhaust pressurecombustible risk
spellingShingle Jin Wufeng
Ma Jingda
Liu Shuo
Choi Bongsoo
Wang Zhiqiang
Influence of Air Intrusion in R32 Compressor on Combustible Risk
Zhileng xuebao
R32
air conditioning compressor
air intrusion
exhaust pressure
combustible risk
title Influence of Air Intrusion in R32 Compressor on Combustible Risk
title_full Influence of Air Intrusion in R32 Compressor on Combustible Risk
title_fullStr Influence of Air Intrusion in R32 Compressor on Combustible Risk
title_full_unstemmed Influence of Air Intrusion in R32 Compressor on Combustible Risk
title_short Influence of Air Intrusion in R32 Compressor on Combustible Risk
title_sort influence of air intrusion in r32 compressor on combustible risk
topic R32
air conditioning compressor
air intrusion
exhaust pressure
combustible risk
url http://www.zhilengxuebao.com/thesisDetails#10.3969/j.issn.0253-4339.2020.04.001
work_keys_str_mv AT jinwufeng influenceofairintrusioninr32compressoroncombustiblerisk
AT majingda influenceofairintrusioninr32compressoroncombustiblerisk
AT liushuo influenceofairintrusioninr32compressoroncombustiblerisk
AT choibongsoo influenceofairintrusioninr32compressoroncombustiblerisk
AT wangzhiqiang influenceofairintrusioninr32compressoroncombustiblerisk