Okokuqala, yintoni ivalvu yokhuseleko
Ivalvu yokhuseleko lwefriji luhlobo lwevalvu esetyenziselwa ukukhusela izixhobo zefriji kunye nokhuseleko lwenkqubo, yeyevalvu yokukhulula uxinzelelo oluzenzekelayo. Ivalvu yokhuseleko idla ngokwenziwa ngumzimba wevalvu, isigqubuthelo sevalvu, intwasahlobo, i-spool kunye nezikhokelo. Iindawo zayo zokuvula nokuvala zikwimeko evaliweyo, xa uxinzelelo lwesixhobo kwinkqubo yezixhobo zefriji ludlula ixabiso lokhuseleko elibekiweyo liya kuvulwa ngokuzenzekelayo, ngokukhupha inani elithile lolwelo ngaphandle kwenkqubo, ukuze kuthintelwe ukuba umbhobho okanye isixhobo uxinzelelo oluphakathi ludlula ixabiso elichaziweyo. Ivalvu yokhuseleko kwinkqubo yefriji idlala indima yokhuseleko lokhuseleko.
Okwesibini, kutheni kufuneka ufake iivalvu zokhuseleko
Iivalvu zokhuseleko zisetyenziselwa kakhulu ukukhusela izixhobo zokukhenkceza kunye neenqanawa zoxinzelelo (ezifana neetanki zokugcina ulwelo, ii-condenser), njl.njl. ekonakaleni okubangelwa luxinzelelo olugqithisileyo. Nazi izizathu ezininzi zokuba kutheni kufuneka kufakwe iivalvu zokhuseleko:
1. ukuthintela ukuqhekeka kwezixhobo: xa uxinzelelo olungaphakathi kwezixhobo zokufriji okanye isitya soxinzelelo ludlula ixabiso loxinzelelo elibekwe yivalvu yokhuseleko, ivalvu yokhuseleko iya kuvula ngokuzenzekelayo ukuze ikhuphe ulwelo oluthile ukuze kuthintelwe ukuqhekeka kwezixhobo okanye isitya.
2. Ukukhusela ukhuseleko lwabasebenzi: Uxinzelelo olugqithisileyo lunokubangela ukuqhuma okanye ukuvuza kwezixhobo, nto leyo enokubangela ukwenzakala kumqhubi. Ukufakwa kweevalvu zokhuseleko kunokunciphisa uxinzelelo ngexesha elifanelekileyo ukukhusela ukhuseleko lwabasebenzi.
3. Ukuphepha ukungasebenzi kakuhle kwenkqubo: Uxinzelelo olugqithisileyo lunokubangela umonakalo kwinkqubo yokukhenkceza, njengokuqhekeka kwemibhobho, umonakalo wezixhobo, njl. Ukufakelwa kweevalvu zokhuseleko kunokuthintela ukungasebenzi kakuhle. Ukufakelwa kwevalvu yokhuseleko kunokuthintela ukungasebenzi kakuhle kwaye kwandise ubomi benkqubo.
4. Ukuhlangabezana neemfuno zomthetho: Ngokwemigaqo nemigangatho efanelekileyo, ezinye izixhobo zokukhenkceza kunye neenqanawa zoxinzelelo kufuneka zifakelwe iivalvu zokhuseleko ukuqinisekisa ukuthotyelwa kweemfuno zokhuseleko.
Okwesithathu, izinto ekufuneka ziqwalaselwe malunga nokukhethwa kwevalvu yokhuseleko
Xa kukhethwa iivalvu zokhuseleko, kufuneka kuqwalaselwe ezi zinto zilandelayo:
1. Uhlobo lwezixhobo kunye neemeko zokusebenza: ngokwehlobo oluthile lwezixhobo zokukhenkcisa kunye neemeko zokusebenza, khetha ivalvu yokhuseleko efanelekileyo. Umzekelo, izixhobo ezahlukeneyo zokukhenkcisa, ubushushu bokusebenza kunye neemfuno zoxinzelelo ziya kuchaphazela ukukhethwa kweevalvu zokhuseleko.
2. Iimfuneko zokuhamba kwamanzi: ngokweemfuno zokuhamba kwamanzi zenkqubo, khetha ivalvu yokhuseleko efanelekileyo. Izinga eliphezulu lokuhamba kwamanzi kunye nezinga elincinci lokuhamba kwamanzi zenkqubo kufuneka ziqwalaselwe ukuqinisekisa ukuba ivalvu yokhuseleko inokuhlangabezana neemfuno zenkqubo.
3. Uluhlu loxinzelelo lwevalvu yokhuseleko: ngokwenqanaba loxinzelelo lokusebenza kwenkqubo, khetha ivalvu yokhuseleko efanelekileyo. Uxinzelelo olusetiweyo lwevalvu yokhuseleko kufuneka lube phezulu kancinci kunoxinzelelo oluphezulu lokusebenza kwenkqubo ukuqinisekisa ukuba inokuvulwa ngexesha xa inkqubo ifikelela kuxinzelelo oluphezulu.
4. Izinto zevalvu yokhuseleko kunye nokumelana nokugqwala: ngokwendalo yesixhobo kunye nokugqwala, khetha izinto zevalvu yokhuseleko ezifanelekileyo. Izinto ezahlukeneyo zemidiya zinokuba nefuthe lokugqwala kwivalvu yokhuseleko, ngoko ke kufuneka ukhethe izinto ezimelana nokugqwala.
5. isiqinisekiso sevalvu yokhuseleko kunye nemigangatho yokuthobela imithetho: khetha ivalvu yokhuseleko enesiqinisekiso kunye nokuthobela imigangatho efanelekileyo ukuqinisekisa umgangatho wayo kunye nokusebenza kwayo okuthembekileyo.
6. Ukuqwalaselwa kwezinye izinto: ngokweemfuno ezithile, qwalasela ukulungelelaniswa kwevalvu yokhuseleko, iindlela zokufakela, iimfuno zolondolozo kunye nokulungiswa.
Ixesha lokuthumela: Agasti-21-2023
