Don fahimtar dalilin da yasa ba a daina amfani da refrigerant R-22 a cikin naúrar chiller masana'antu, bari’s san abin da refrigerant ne na farko. Refrigerant wani abu ne da ake amfani dashi a cikin tsarin firiji kuma yana fuskantar canjin lokaci tsakanin iskar gas da ruwa ta yadda za a iya cimma manufar firiji. Mabuɗin shine a cikin masana'anta mai sanyaya ruwa da sauran raka'o'in firiji. Idan ba tare da firji ba, mai sanyaya ba zai iya yin sanyi da kyau ba. Kuma R-22 ya kasance mafi yawan amfani da firji, amma yanzu an hana amfani da shi. To menene dalili?
Refrigerant R-22, kuma aka sani da HCFC-22, yana ɗaya daga cikin membobin dangin Freon. Ya kasance babban firji a cikin AC na cikin gida, AC ta tsakiya, injin sanyaya ruwa na masana'antu, kayan sanyin abinci, sashin firiji na kasuwanci da sauransu. Duk da haka, daga baya an gano cewa R-22 yana da illa ga muhalli, saboda zai rage ma'aunin sararin samaniyar ozone wanda ke kare mu daga hasken ultraviolet na rana kuma yana damun tasirin greenhouse. Saboda haka, nan da nan aka dakatar da shi don ingantacciyar kariya ga muhalli.
Don haka akwai wasu hanyoyin da suka ci nasara’t deplete da ozone Layer da sada zumunci ga muhalli? To, akwai. R-134a, R-407c, R-507, R-404A da R-410A ana daukar su a matsayin mafi dacewa madadin R-22 refrigerant. Sun fi dacewa kuma ko da akwai ɗigon firiji, masu amfani sun yi nasara’Dole ne a yi la'akari da cewa za su haifar da dumamar yanayi.
A matsayinmu na masana'anta mai alhakin masana'antar chiller, ba mu amfani da komai sai firigeren abokantaka na muhalli a cikin raka'o'in chiller masana'antu -- R-134a, R-407c da R-410A. Samfuran chiller daban-daban suna amfani da nau'ikan daban-daban da adadin na'urori don samun ingantacciyar ikon firji. Ana gwada kowane chiller ɗin mu a ƙarƙashin yanayin simintin ɗora kuma ya dace da ma'auni na CE, RoHS da REACH. Idan ba ku da tabbacin wane nau'in firji ne ake amfani da shi a cikin na'urar chiller ku, zaku iya barin saƙo ko imel
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