Rerrigeant, kuma da ake sani da firiji, shine abu mai aiki a cikin tsarin firiji. A halin yanzu, akwai abubuwa sama da 80 da za a iya amfani da su a matsayin firiji. Mafi yawan firiji na yau da kullun suna cron (gami da: R22, R134A, R00A, R32 (NH3), Ruwa, Ruwa), R600a).
Manufar tasirin sanyaye akan yanayin duniya ya haɗa da ƙarfin ozone (odp) da kuma m dinkarar dumamar duniya (GWP); Baya ga tasirin kan muhalli, ya kamata ya kamata su ma suna da amincin yarda da kare rayuwar mutane da dukiyoyin.
Onp Ozone Defention Mahimmanci: yana nuna ikon chlorofluarocarbons a cikin yanayi don halaka yankin ozone. Karamin darajar, mafi kyawun halayen muhalli na firiji. Rerarigings tare da ƙimar ODP ƙasa da ko daidai da 0.05 ana ɗaukarsu bisa matakan yau.
GWP na duniya dumama: Mai nuna alama na yanayin yanayin da watsi Greyhouse ya dace da ingancin CO2 tare da wannan sakamako, CO2 GWP = 1.0. Yawancin lokaci yana lissafta GWP a cikin shekaru 100, nuna alama azaman GWP100, "Montreal Protocol" da "Kyoto Projecol" duka suna amfani da GWP100.
1. Classantiction na firiji
A cewar GB / t 7778-2017, amincin kayan ado ya zama kashi 8, wato: A1, A2L, B2, a cikin wanne A1 shine mafi aminci da B3 shine mafi haɗari.
Matsakaicin matakan aminci na kayan groubants kamar haka:
Rubuta A1: R11, R12, R13, R118, R131B, R402B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B, R403B R404A, R407A, R407B, R407D, R009A, R50VA, R50va, R503A, R513A, R744
Type A2: R142b, R152a, R406a, R411a, R411b, R412a, R413a, R415b, R418a, R419a, R512a
Category: R143A, R32, R1234YF, R1234ze (e)
Class A3: R290, R600, R600a, R600a, R601A, R110, R110, R110, R60DA, R511A
Kashi na B1: R123, R245fa
Kashi na B2L: R717
Dangane da yawan zafin jiki na zazzabi a cikin matsanancin matsakaiciyar matsakaiciyar matsakaiciyar ƙasa (100kpa), ana iya raba shi zuwa: firiji mai yawan matsakaici, da firiji mai yawan zafi.
Yawan zazzabi mai yawa-zazzabi: yawan zafin jiki ya fi 0 ° C, kuma karfin karfafawa ya ragu fiye da 29.41995 × 104pa. Wadannan girke-girlai sun dace da amfani a cikin kayan marmari na firiji a tsarin tsarin jirgin sama.
Muryar matsakaici-zazzabi mai matsakaici-matsakaici-zazzabi mai yawan matsakaici: Aclorme zazzabi -50 ~ 2 ° C, c, ~ 29,41995) × 104PA. Irin wannan nau'in firiji ana amfani dashi a cikin matsawa guda biyu da matsawa biyu na cirewa guda biyu piston tsarin.
Babban matsin lamba da firiji mai yawan gaske: matsanancin zafin jiki da firiji mai ƙasƙanci: matsakaiciyar zazzabi yana da ƙasa da 196.133 × 104pa × 104pa. Wannan nau'in firiji ya dace da ƙananan ƙarancin kayan masarufi na kayan sanyaya na cascade ko na'urar ƙarancin zafin ƙasa -70 ° C.
Lokaci: Dec-28-2022
