Mphamvu yozizira siyingakwaniritse zofunikira pa katundu wosungiramo katundu
(ntchito yochepa ya compressor)
Pali zifukwa ziwiri zazikulu zomwe zimapangitsa kuti mpweya usayende bwino m'firiji.
Choyamba, mphamvu ya refrigerant si yokwanira, ndipo refrigerant yokwanira yokha ndiyo ikufunika panthawiyi;
Chifukwa china n’chakuti pali malo ambiri otayira madzi mu refrigerant system. Kuti muthane ndi vutoli, choyamba muyenera kupeza malo otayira madzi, kuyang'ana kwambiri kulumikizana kwa payipi iliyonse ndi valavu, kenako mudzaze refrigerant yokwanira mukakonza ziwalo zomwe zatayira madzi.
Kusowa mphamvu yozizira
(Kuchuluka kosakwanira kwa refrigerant mu dongosolo)
Kuchuluka kosakwanira kwa refrigerant mu dongosolo kumakhudza mwachindunji kuyenda kwa refrigerant mu evaporator. Pamene kutsegula kwa valavu yowonjezera kuli kwakukulu kwambiri, valavu yowonjezera imasinthidwa molakwika kapena kutsekedwa. Kuthamanga kwa refrigerant kumakhala kwakukulu kwambiri, kuthamanga kwa evaporation ndi kutentha kwa evaporation kumawonjezekanso, ndipo kutentha kwa evaporation m'nyumba yosungiramo katundu kumachepa; nthawi yomweyo, pamene valavu yowonjezera imatsegulidwa yaying'ono kwambiri kapena yotsekedwa, kuthamanga kwa refrigerant kumachepanso, ndipo mphamvu yozizira ya dongosolo imawonjezekanso ndi Kutsika kwa kutentha kwa nyumba yosungiramo katundu kumachepanso. Kawirikawiri, zitha kuweruzidwa ngati kuthamanga kwa refrigerant kwa valavu yowonjezera kuli koyenera powona kuthamanga kwa evaporation, kutentha kwa evaporation ndi momwe chitoliro choyatsira chimakhalira. Kutsekedwa kwa valavu yowonjezera ndi chinthu chofunikira chomwe chimakhudza kuyenda kwa refrigerant. Zomwe zimayambitsa kutsekedwa kwa valavu yowonjezera ndi kutsekedwa kwa ayezi ndi kutsekedwa kwauve. Kutsekedwa kwa ayezi chifukwa cha kuuma kwa chowumitsira sikwabwino, ndipo refrigerant ili ndi chinyezi. Ikadutsa mu valavu yokulitsa, kutentha kumatsika pansi pa 0 °C, ndipo chinyezi chomwe chili mufiriji chimaundana kukhala ayezi ndikutseka dzenje la valavu yolumikizira; kutsekeka kodetsedwa kumachitika chifukwa chakuti pali dothi lambiri lomwe limasonkhana pa sikirini ya fyuluta pamalo olowera valavu yokulitsa, ndipo firijiyo si yosalala komanso yosalala, zomwe zimapangitsa kuti itseke.
Kutuluka kwa firiji ndi kwakukulu kwambiri kapena kochepa kwambiri
(kusintha kosayenera kapena kutsekeka kwa valavu yowonjezera)
Kuchuluka kwake kosinthira kutentha kudzachepa, mafuta oziziritsa akangolumikizidwanso mkati ndi kunja kwa chubu chosinthira kutentha cha evaporator. Mofananamo, ngati pali mpweya wochulukirapo mu chubu chosinthira kutentha, malo osinthira kutentha a evaporator adzachepa, mphamvu yosamutsa kutentha idzachepanso kwambiri, ndipo kutentha kwa nyumba yosungiramo zinthu kudzachepa. Chifukwa chake, pakugwira ntchito ndi kukonza tsiku ndi tsiku, chisamaliro chiyenera kuperekedwa pakuchotsa madontho a mafuta nthawi yake mkati ndi kunja kwa chubu chosinthira kutentha cha evaporator ndikutulutsa mpweya mu evaporator kuti akonze mphamvu yosamutsa kutentha ya evaporator.
Kuchepetsa kutentha komwe kumasamutsa
(Pali mpweya wambiri kapena mafuta oziziritsa mu evaporator)
Izi makamaka chifukwa chakuti chisanu chakunja kwa evaporator ndi chokhuthala kwambiri kapena fumbi ndi lochuluka kwambiri. Chifukwa kutentha kwakunja kwa evaporator mu malo ozizira osungira nthawi zambiri kumakhala kotsika kuposa 0 ℃, chifukwa china chofunikira chomwe chimachepetsa kutentha kwa malo osungira ndichakuti evaporator imasamutsa kutentha pang'ono. Chinyezi cha m'nyumba yosungiramo zinthu ndi chambiri, ndipo chinyezi chomwe chili mumlengalenga n'chosavuta kuzizira kapena kuzizira pamwamba pa evaporator, zomwe zimakhudza momwe evaporator imasamutsira kutentha. Pofuna kupewa chisanu chakunja cha evaporator kuti chisakhale chokhuthala kwambiri, chiyenera kusungunuka nthawi zonse.
Nazi njira ziwiri zosavuta zosungunulira:
① Imani kuti musungunule. Izi zikutanthauza kuti, siyani kugwira ntchito kwa compressor, tsegulani chitseko cha nyumba yosungiramo katundu, lolani kutentha kwa nyumba yosungiramo katundu kukwere, ndikuyambitsanso compressor pambuyo poti chisanu chasungunuka chokha.
②Kirimu wa Chong. Mukatulutsa katundu m'nyumba yosungiramo katundu, tsukani mwachindunji pamwamba pa chitoliro cha evaporator ndi madzi a pampopi ndi kutentha kwakukulu kuti musungunuke kapena kugwa kuchokera pa chisanu. Kuwonjezera pa kusamutsa kutentha kwa evaporator chifukwa cha chisanu chokhuthala, pamwamba pa evaporator ndi wokhuthala kwambiri chifukwa cha kusambitsidwa kwakanthawi, ndipo mphamvu yake yosamutsa kutentha idzachepa kwambiri.
Kuchepetsa kutentha komwe kumasamutsa
(Pamwamba pa evaporator pali chisanu chokhuthala kwambiri kapena pali fumbi lochuluka)
Kusagwira bwino ntchito kwa kutentha ndi kutchinjiriza kutentha, komanso kusagwira bwino ntchito kwa kutentha kumachitika chifukwa cha makulidwe osakwanira a zigawo zotchinjiriza kutentha monga mapaipi ndi makoma otchinjiriza kutentha m'nyumba yosungiramo zinthu. Izi zimachitika makamaka chifukwa chosasankha bwino makulidwe a zigawo zotchinjiriza kutentha panthawi yokonza kapena kusagwira bwino ntchito kwa zipangizo zotchinjiriza kutentha panthawi yomanga.
Kuphatikiza apo, panthawi yomanga ndi kugwiritsa ntchito, kutchinjiriza kutentha ndi ntchito yoteteza chinyezi ya zinthu zotchinjiriza kutentha zitha kuwonongeka, zomwe zimapangitsa kuti gawo lotchinjiriza kutentha likhale lonyowa, losasinthika, kapena lowonongeka.
Chifukwa china chofunikira chomwe chimachititsa kuti kuzizira kutayike kwambiri ndi kusagwira bwino ntchito kwa nyumba yosungiramo zinthu, ndipo mpweya wotentha umalowa m'nyumba yosungiramo zinthu chifukwa cha kutuluka kwa madzi. Nthawi zambiri, ngati pali kuzizira pa chitseko cha nyumba yosungiramo zinthu kapena chitseko cha khoma losungiramo zinthu zozizira, zikutanthauza kuti chitsekocho sichili cholimba.
Kuphatikiza apo, kutsegula ndi kutseka chitseko cha nyumba yosungiramo katundu pafupipafupi kapena anthu ambiri olowa m'nyumba yosungiramo katundu pamodzi kudzawonjezera kutayika kwa mphamvu yoziziritsira m'nyumba yosungiramo katundu. Chitseko cha nyumba yosungiramo katundu chiyenera kuletsedwa kutsegulidwa momwe zingathere kuti mpweya wotentha usalowe m'nyumba yosungiramo katundu. Zachidziwikire, ngati nyumba yosungiramo katundu nthawi zambiri imakhala ndi zinthu zambiri kapena katunduyo ndi wamkulu kwambiri, kutentha kumawonjezeka kwambiri, ndipo nthawi zambiri zimatenga nthawi yayitali kuti zizizire mpaka kutentha komwe kwatchulidwa.
kumabweretsa kutayika kwakukulu kwa kuzizira
(kusungirako kozizira chifukwa cha kutentha koipa kapena kutseka bwino)
Zinthu monga ma cylinder liners ndi ma piston rings zimawonongeka kwambiri, ndipo compressor ikugwira ntchito kwakanthawi. Pamene clearance yofanana ikuwonjezeka, magwiridwe antchito otseka adzachepa moyenerera, coefficient yotumizira mpweya ya compressor idzachepanso, ndipo mphamvu yoziziritsira idzachepa. Pamene mphamvu yoziziritsira ili yochepa kuposa mphamvu yotenthetsera ya nyumba yosungiramo katundu, kutentha kwa nyumba yosungiramo katundu kudzatsika pang'onopang'ono. Mphamvu yoziziritsira ya compressor ikhoza kudziwika bwino poona mphamvu zokoka ndi kutulutsa kwa compressor. Ngati mphamvu yoziziritsira ya compressor itachepa, njira yomwe imagwiritsidwa ntchito kwambiri ndikusintha silinda liner ndi piston ring ya compressor. Ngati kusintha sikukugwirabe ntchito, zinthu zina ziyenera kuganiziridwa, kapena ngakhale kugwetsa ndikuyang'ana kuti muchotse zolakwika.
Nthawi yotumizira: Feb-17-2022
