Kusungira zinthu zozizira nthawi zonse kwakhala gawo lofunika kwambiri pamakampani opanga zinthu. Kusungira zinthu zozizira kumagwiritsidwa ntchito makamaka posungira zinthu zozizira komanso zotentha nthawi zonse monga chakudya, mkaka, nyama, zinthu zam'madzi, nkhuku, zipatso ndi ndiwo zamasamba, zakumwa, maluwa, zomera zobiriwira, tiyi, mankhwala, zipangizo zopangira mankhwala, zida zamagetsi, fodya, ndi zakumwa zoledzeretsa. Kusungira zinthu zozizira ndi mtundu wa zida zoziziritsira; poyerekeza ndi mafiriji, ili ndi malo oziziritsira ambiri, koma ali ndi mfundo zofanana zosungira zinthu zozizira.
Zipangizo Kapangidwe:
Ambirimalo osungira oziziraMalo osungiramo zinthu amagwiritsa ntchito makina oziziritsira, pogwiritsa ntchito zakumwa zomwe zimakhala ndi kutentha kochepa kwambiri kwa nthunzi (monga ammonia kapena Freon) ngati mafiriji. Mafiriji amenewa amasanduka nthunzi pansi pa mphamvu yochepa komanso makina owongolera, zomwe zimayamwa kutentha kuchokera kumalo osungira kuti zizizire.
Mtundu wofala kwambiri ndi chipangizo choziziritsira mpweya chopanikizika, chomwe chimakhala ndi compressor, condenser, expansion valve, ndi evaporator tubes. Kutengera njira yokhazikitsira evaporator tube, firiji ikhoza kugawidwa m'magulu awiri: kuziziritsa mwachindunji ndi kuziziritsa mwachindunji. Kuziziritsa mwachindunji kumaphatikizapo kukhazikitsa evaporator tubes mkati mwa chipinda chosungiramo zinthu zozizira; refrigerant yamadzimadzi imatenga kutentha mwachindunji kuchokera mchipindamo pamene ikudutsa m'machubu.
Kuziziritsa kosalunjika kumagwiritsa ntchito chofewetsa mpweya kuti chikoke mpweya kuchokera mchipinda chosungiramo zinthu kupita ku makina oziziritsira mpweya. Mpweya umatenthedwa ndi machubu a evaporator omwe amazungulira mkati mwa makinawo asanabwezeretsedwe ku chipinda chosungiramo zinthu kuti uziziritsenso. Ubwino wa kuziziritsa mpweya ndi kuziziritsa mofulumira, kutentha kofanana mkati mwa chipinda chosungiramo zinthu, komanso kuthekera kochotsa mpweya woipa monga carbon dioxide yomwe imapezeka panthawi yosungiramo zinthu.
Mitundu ya kapangidwe ka zinthu:
Kusungirako zinthu zozizira kwenikweni ndi chipangizo choziziritsira chomwe chimatentha pang'ono, ndipo kutentha kozizira nthawi zambiri kumakhala pakati pa -10°C ndi -30°C, komwe kumagwiritsidwa ntchito kusungira chakudya chozizira chochuluka. Chomwe chimatchedwanso kuti chosungirako chozizira, chosungirako zinthu zozizira ndi mtundu wa zida zoziziritsira. Poyerekeza ndi mafiriji, malo ake ozizira ndi akulu kwambiri, koma ali ndi mfundo yofanana yoziziritsira.
Kutengera kapangidwe kake: Malo osungiramo zinthu zozizira aukadaulo wa zomangamanga, malo osungiramo zinthu zozizira omwe adakonzedwa kale.
Kutengera ndi kagwiritsidwe ntchito: Kupanga malo osungiramo zinthu zozizira, kugawa malo osungiramo zinthu zozizira.
Kutengera kukula: Malo osungiramo zinthu zozizira ambiri, malo osungiramo zinthu zozizira apakatikati, malo osungiramo zinthu zozizira ang'onoang'ono.
Kutengera ndi firiji yomwe imagwiritsidwa ntchito: Malo osungiramo zinthu zozizira a Ammonia, Malo osungiramo zinthu zozizira a Freon.
Kutengera kutentha kofunikira kosungira: Kusungirako kozizira kotentha kwambiri, kusungirako kozizira kotentha pang'ono, kusungirako kozizira kozizira kozizira mufiriji.
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Nthawi yotumizira: Novembala-28-2025