Indlela yokusombulula ingxaki yokuvaleka kwenkqubo yokukhenkceza yinto exhalabisa abasebenzisi abaninzi. Ukuvaleka kwenkqubo yokukhenkceza kubangelwa kakhulu kukuvaleka kweoyile, ukuvaleka komkhenkce okanye ukuvaleka okungcolileyo kwivalvu ye-throttle, okanye ukuvaleka okungcolileyo kwisihluzo sokomisa. Namhlanje ndiza kukunika intshayelelo eneenkcukacha ngezizathu kunye nezisombululo zokuvaleka kwenkqubo.
1. Ukusilela kokuvaleka kweoyile
Eyona nto ibangela ukuba ioyile ivaleke kukuba isilinda yecompressor yonakele kakhulu okanye indawo evulelekileyo yesilinda inkulu kakhulu. Ipetroli ephuma kwicompressor ikhutshwa kwi-condenser, ize ingene kwisihluzo sokomisa kunye ne-refrigerant. Ngenxa yokuba ioyile ininzi kakhulu, ivalwa yi-desiccant kwisihluzo. Xa kukho ioyile eninzi kakhulu, yenza ukuba ivaleke kwindawo yokungena kwesihluzo, nto leyo ebangela ukuba i-Refrigerant ingakwazi ukuhamba kakuhle.
Ioyile yokukhenkcisa egqithisileyo ihlala kwinkqubo yokukhenkcisa, nto leyo echaphazela isiphumo sokukhenkcisa okanye ide ithintele ukukhenkcisa. Ke ngoko, ioyile yokukhenkcisa ekwinkqubo kufuneka isuswe.
Indlela yokujongana nokuvaleka kweoyile: Xa isihluzo sivalekile, sitshintshe ngesinye, kwaye usebenzise i-nitrogen enoxinzelelo oluphezulu ukuze ukhuphe inxalenye yeoyile yokukhenkceza eqokelelene kwi-condenser. Kungcono ukusebenzisa isomisi seenwele ukufudumeza i-condenser xa kungeniswa i-nitrogen.
Ngendlela, inethiwekhi yokukhenkceza iza kuthetha ngefilimu yeoyile apha. Isizathu esiphambili sefilimu yeoyile kukuba ioyile yokuthambisa engahlukaniswanga ngumhluzi weoyile iya kungena kwinkqubo ize ihambe nefriji ekwityhubhu, yenze umjikelo weoyile. Kusekho umahluko omkhulu phakathi kwefilimu yeoyile kunye nokufaka ioyile.
Iingozi zefilimu yeoyile:
Ukuba ifilimu yeoyile inamathela kumphezulu wesixhobo sokutshintsha ubushushu, ubushushu bokufuma buya kunyuka kwaye ubushushu bokufuma buya kwehla, nto leyo ebangela ukusetyenziswa kwamandla okwandisiweyo;
Xa ifilimu yeoyile eyi-0.1mm incamatheliswe kumphezulu we-condenser, amandla okupholisa e-compressor yefriji ayancipha nge-16% kwaye ukusetyenziswa kwamandla kuyanda nge-12.4%;
Xa ifilimu yeoyile kwi-evaporator ifikelela kwi-0.1mm, ubushushu bokufuma buya kwehla nge-2.5°C kwaye ukusetyenziswa kwamandla kuya kwanda nge-11%.
Indlela yokunyanga ifilimu yeoyile:
Ukusetyenziswa kweoyile esebenza kakuhle kunokunciphisa kakhulu inani leoyile engena kumbhobho wenkqubo;
Ukuba sele kukho ifilimu yeoyile kwinkqubo, ingagutyungelwa ngenitrogen izihlandlo ezininzi de kungabikho gesi ifana nenkungu.
2. Ukuvimba umkhenkceukusilela
Ukwenzeka kokungaphumeleli kokuvaleka komkhenkce kubangelwa kukufuma okugqithisileyo kwinkqubo yokukhenkceza. Ngokujikeleza okuqhubekayo kwe-refrigerant, ukufuma kwinkqubo yokukhenkceza kugxila kancinci kancinci kwindawo yokuphuma yevalvu ye-throttle. Ekubeni ubushushu kwindawo yokuphuma yevalvu ye-throttle buphantsi kakhulu, kwakheka amanzi. Umkhenkce uyaqokelelana kwaye uyanda kancinci kancinci. Ukuya kwinqanaba elithile, ityhubhu ye-capillary ivaliwe ngokupheleleyo kwaye i-refrigerant ayikwazi ukujikeleza.
Imithombo ephambili yokufuma:
Umswakama oseleyo kwiindawo ezahlukeneyo kunye nemibhobho yokudibanisa yenkqubo yokukhenkceza ngenxa yokungomi ngokwaneleyo;
Ioyile yefriji kunye ne-refrigerant ziqulathe umswakama ongaphezulu kunomlinganiselo ovumelekileyo;
Ukungaphumeleli ukucoca nge-vacuum ngexesha lokufakwa okanye ukufakwa okungafanelekanga kubangela ukufuma;
Iphepha lokukhusela ubushushu lemoto kwicompressor liqulathe umswakama.
Iimpawu zokuvaleka komkhenkce:
Ukuhamba komoya kuya kuba buthathaka kancinci kancinci kwaye kube buthathaka kancinci kancinci;
Xa ukuvaleka kukhulu, isandi sokuhamba komoya siyanyamalala, ukujikeleza kwe-refrigerant kuyaphazamiseka, kwaye i-condenser iba pholile kancinci kancinci;
Ngenxa yokuvaleka, uxinzelelo lokukhupha umoya luyanda kwaye isandi sokusebenza komatshini siyanda;
Akukho refrigerant ingena kwi-evaporator, indawo yokuqandisa iyancipha kancinci kancinci, kwaye isiphumo sokupholisa siba sibi kakhulu;
Emva kwexesha lokuvala, i-refrigerant iqala ukuhlaziywa (iityhubhu zomkhenkce ezibandayo ziqala ukunyibilika)
Ukuvaleka komkhenkce kwenza ukuphindaphindana kokucocwa okwethutyana, ukuvalwa okwethutyana, ukuvalwa uze ucocwe, uze ucocwe uze uvalwe kwakhona.
Unyango lokuvaleka komkhenkce:
Ukuvaleka komkhenkce kwenzeka kwinkqubo yokukhenkcisa kuba kukho ukufuma okugqithisileyo kwinkqubo, ngoko ke yonke inkqubo yokukhenkcisa kufuneka yomiswe. Iindlela zokuyilungisa zezi zilandelayo:
Susa uze ufake isihluzi sokomisa. Xa isalathisi sokufuma kwiglasi ebonakalayo yenkqubo yokufriji sijika sibe luhlaza, sithathwa njengesifanelekileyo;
Ukuba amanzi amaninzi angena kwinkqubo, yihlambe ngenitrogen ngokwamanqanaba, tshintsha isihluzo, tshintsha ioyile yokukhenkcisa, tshintsha i-refrigerant, uze uvale ulwelo de isalathisi somswakama kwiglasi ebonakalayo sibe luhlaza.
3. Impazamo yokuvaleka okungcolileyo
Emva kokuba inkqubo yokukhenkcisa ivalekile, i-refrigerant ayikwazi ukujikeleza, nto leyo ebangela ukuba i-compressor isebenze rhoqo. I-evaporator ayibanda, i-condenser ayishushu, igobolondo le-compressor alishushu, kwaye akukho sandi sokuhamba komoya kwi-evaporator. Ukuba kukho ukungcola okuninzi kwinkqubo, i-filter dryer iya kuvaleka kancinci kancinci kwaye isikrini sesihluzo se-throttling mechanism siya kuvaleka.
Izizathu eziphambili zokuvaleka kokungcola:
Uthuli kunye neentsimbi ezisusiweyo kwinkqubo yokwakha nokufakela, kunye nomaleko we-oxide kumphezulu wodonga ongaphakathi owela phantsi ngexesha lokuwelda imibhobho;
Ngexesha lokucubungula icandelo ngalinye, umphezulu wangaphakathi nowangaphandle awuzange ucocwe, kwaye imibhobho yayingavalwanga kakuhle kwaye uthuli lungene kwimibhobho;
Ioyile yokukhenkcisa kunye ne-refrigerant ziqulethe ukungcola, kwaye umgubo we-desiccant kwi-drying filter awusemgangathweni;
Ukusebenza emva kokuvaleka okungcolileyo:
Ukuba ivalekile kancinci, i-evaporator iya kuziva ibanda okanye ibanda, kodwa akuyi kubakho qhwa;
Xa uchukumisa umphezulu ongaphandle we-filter dryer kunye ne-throttle valve, iya kuvakala ipholile xa uyichukumisa, kwaye kuya kubakho i-frost, okanye umaleko we-frost emhlophe;
I-evaporator ayibandi, i-condenser ayishushu, kwaye igobolondo le-compressor alishushu.
Ukujongana neengxaki zokuvaleka okungcolileyo: Ukuvaleka okungcolileyo kudla ngokuvela kwisihluzo sokomisa, isihluzo se-throttling mechanism mesh, isihluzo sokufunxa, njl. Isihluzo se-throttling mechanism kunye nesihluzo sokufunxa zinokususwa zicocwe, kwaye isihluzo sokomisa sidla ngokutshintshwa. Emva kokuba kugqityiwe ukutshintshwa, inkqubo yokufriji kufuneka ihlolwe ukuba ayinakuvuza na kwaye ivalwe nge-vacuum.
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Ukuba umgama ophakathi kwetyhubhu ye-capillary kunye nesikrini sesihluzo kwisixhobo sokomisa isihluzo usondele kakhulu, kunokubangela ukuvaleka okungcolileyo ngokulula.
Ixesha leposi: Jan-13-2024