Mafiriji amagwiritsidwa ntchito kwambiri m'nyumba ndi m'mabizinesi kuti athandize kusunga chakudya chatsopano kwa nthawi yayitali, komanso kupewa kuwonongeka komwe kungawononge. Ndi firiji yogulitsa, ubwino wa chakudya ukhoza kusungidwa kwa nthawi yayitali, makamaka m'masitolo akuluakulu kapena m'malesitilanti, amafunika kusunga chakudya ndi zakumwa zambiri, kukhala ndi firiji kungathandize kuti akhale ndi zinthu zokwanira zotumikira makasitomala awo. Komabe, ngakhale tili ndi firiji, nthawi zina kutayika kosafunikira komanso kutayika kumachitika chifukwa chogwiritsa ntchito molakwika kapena kukonza. Kuti titsimikizire kuti zida zathu zosungiramo zikuyenda bwino, tiyenera kuphunzira mfundo yogwirira ntchito yake kuti zithandize kusamalira bwino.
Chifukwa Chake Kuphunzira Mfundo Yogwirira Ntchito ya Refrigeration N'kofunikira
Kodi makina oziziritsira amagwira ntchito bwanji? Mfundo yogwirira ntchito yoziziritsira imachokera ku makina oziziritsira omwe amaikidwa mufiriji, omwe ali ndi choziziritsira chomwe chimayikidwa mufiriji ndipo chimasunthidwa kuchoka pa evaporator kupita ku condenser m'njira zosiyanasiyana. Makina oterewa akugwira ntchito ndi cholinga choziziritsa kutentha m'gawo losungiramo zinthu. Kuphunzira momwefiriji yamalondaKugwiritsa ntchito zipangizo kumathandiza kuti mudziwe kutentha kuti muyeretse bwino komanso kusamalira makina oziziritsira. Mukamvetsetsa mfundo yogwirira ntchito komanso kudziwa bwino za makina oziziritsira, mudzapindula ndi magwiridwe antchito a zida zanu. Mwachitsanzo, kuphunzira momwe mungakhazikitsire firiji yanu yamalonda pamalo opumira mpweya kungathandize kupewa kugwira ntchito mopitirira muyeso ndikuchepetsa kugwiritsa ntchito mphamvu.
Ndi Zinthu Ziti Zomwe Zili Mu Refrigeration System?
Monga tafotokozera pamwambapa, firiji ndi njira yozungulira yomwe imaphatikizapo zigawo zina zamakaniko ndi zigawo zina, zomwe zimaphatikizapo compressor, condenser, expansion/throttle valve, evaporator, ndi zina zotero. Kuphatikiza apo, refrigerant ndiye chinthu chofunikira kwambiri chosamutsira kutentha kwamkati kupita ku condenser kunja. Gawo lililonse lili ndi ntchito yake yokankhira refrigerant kuti iyende mozungulira mu dongosolo la kayendedwe kameneka, ndipo refrigerant imasandulika mozungulira kukhala mpweya kapena madzi, mayendedwe awa angayambitse kuzizira kuchepetsa kutentha kosungirako.
Tiyeni tiphunzire zambiri za zinthu zoziziritsira.
kompresa
Compressor imaonedwa ngati mphamvu yokankhira refrigerant kuti iyende mu dongosolo la refrigerant cycle, ndipo gawo ili limaphatikizapo mota yokoka nthunzi ya refrigerant kuchokera ku evaporator ndikuyiyika mu silinda kuti ikweze kutentha ndi kupanikizika kwake, kuti nthunzi ya refrigerant ikwaniritsidwe mosavuta ndi mpweya ndi madzi ndi kutentha kwa chipinda ikakankhidwira ku condenser.
Chokondensa
Condenser ndi chipangizo chosinthira kutentha, chomwe chimaphatikizapo machubu ndi zipsepse zomwe zimakhazikika kumbuyo kapena m'mbali mwa firiji. Pamene nthunzi ya firiji yokhala ndi kuthamanga kwambiri ndi kutentha ikudutsa apa, imafupikitsidwa kuti isanduke madzi okhala ndi kutentha kwa chipinda, koma firiji yamadzi imakhalabe ndi kuthamanga kwambiri.
Valavu Yokulitsa
Madzi oziziritsira asanalowe mu evaporator, kuthamanga kwake ndi kutentha kwake zimakokedwa mpaka kufika pamlingo wokwanira ndi valavu yokulitsa ikadutsa. Kutsika mwadzidzidzi kwa kutentha ndi kuthamanga kungayambitse kuzizira.
Chotenthetsera madzi
Chotenthetsera mpweya (evaporator) ndi chipangizo chosinthira kutentha. Madzi oziziritsa omwe ali ndi kutentha kochepa komanso kupanikizika kochepa amalowa mu chipangizochi kuti asungunuke nthunzi, zomwe zimayamwa kutentha kwa mpweya mufiriji, njira yotereyi imathandizira kukwaniritsa cholinga chachikulu choziziritsira zakudya ndi zakumwa zosungidwa. Chotenthetsera mpweya chikachepa mu chotenthetsera mpweya, kutentha kwa zinthu zosungidwa kumachepa.
Kodi Firiji Imagwira Ntchito Bwanji?
Zinthu zomwe zatchulidwa pamwambapa zimakhudzidwa ndi machubu kuti apange dongosolo la kuzungulira. Pamene dongosololi likugwira ntchito, compressor imapumira nthunzi yoziziritsa yotsika komanso yotsika yomwe imapangidwa ndi evaporator kulowa mu silinda. Pamene kuthamanga (kutentha nako kumakwera) kuli kwakukulu pang'ono kuposa kuthamanga komwe kuli mu condenser, nthunzi yoziziritsa yotsika kwambiri yomwe ili mu silinda imatumizidwa ku condenser. (kotero, kuti igwire ntchito ngati kukanikiza ndi kutumiza kwa compressor yoziziritsa) mkati mwa condensation refrigerant ya nthunzi yotsika komanso yotsika komanso mpweya wochepa kutentha (kapena madzi) kutentha kwa chipinda kuti kutentha kusamutsidwe ndi kuzizira kwa refrigerant yamadzimadzi, refrigerant yamadzimadzi ikazizira (buck) kulowa mu evaporator, mkati mwa evaporator imayamwa kutentha kenako nthunzi ya chinthu kuti chiziziritsidwe. Mwanjira imeneyi, chinthu choziziritsidwa chimaziziritsidwa ndipo nthunzi yoziziritsa imayamwa ndi compressor, kotero mu dongosolo la firiji kudzera mu kukanikiza, kuzizira, kukulitsa, kuphulika kwa njira zinayi kuti amalize kuzungulira.
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Nthawi yolemba: Novembala-12-2021 Mawonedwe: