Izizathu eziphambili zokugqithisa kakhulu ubushushu bomphunga we-compressor zezi zilandelayo: ubushushu bomoya obubuyayo obuphezulu, amandla amakhulu okufudumeza kwemoto, umlinganiselo ophezulu woxinzelelo, uxinzelelo oluphezulu lokufuma, kunye nokukhethwa okungafanelekanga kwefriji.
1. Buyisela ubushushu bomoya
Ubushushu bomoya obubuyayo buhambelana nobushushu bokufuma. Ukuze kuthintelwe ukubuya kolwelo, imibhobho yomoya obubuyayo ngokubanzi ifuna ubushushu bomoya obubuyayo obuyi-20°C. Ukuba umbhobho womoya obubuyayo awugqunywanga kakuhle, ubushushu obuphezulu buya kudlula kakhulu kwi-20°C.
Okukhona ubushushu bomoya obubuyayo buphezulu, kokukhona ubushushu bokufunxa kunye nobushushu bokukhupha umoya buphezulu. Xa kusanda i-1°C kubushushu bomoya obubuyayo, ubushushu bokukhupha umoya buya kwanda.
2. Ukufudumeza iimoto
Kwi-compressors zokupholisa umoya ezibuyayo, umphunga we-refrigerant ufudunyezwa yi-motor xa uhamba ngaphakathi kwe-motor cavity, kwaye ubushushu be-cylinder suction buyanda kwakhona.
Ubushushu obuveliswa yimoto buchaphazeleka ngamandla nokusebenza kakuhle, ngelixa ukusetyenziswa kwamandla kunxulumene kakhulu nokufuduka, ukusebenza kakuhle kwevolumu, iimeko zokusebenza, ukumelana nokungqubana, njl.
Kwi-return air cooling semi-hermetic compressors, ukunyuka kobushushu be-refrigerant kwi-motor cavity kususela kwi-15°C ukuya kwi-45°C. Kwi-air-cooled (air-cooled) compressors, inkqubo ye-friji ayidluli kwi-windings, ngoko ke akukho ngxaki yokufudumeza imoto.
3. Umlinganiselo woxinzelelo uphezulu kakhulu
Ubushushu bomphunga buchaphazeleka kakhulu yi-compression ratio. Okukhona umlinganiselo woxinzelelo uphezulu, kokukhona ubushushu bomphunga buphezulu. Ukwehlisa umlinganiselo woxinzelelo kunokunciphisa kakhulu ubushushu bomphunga ngokunyusa uxinzelelo lokufunxa nokunciphisa uxinzelelo lomphunga.
Uxinzelelo lokufunxa lumiselwa luxinzelelo lokufunxa kunye nokumelana komgca wokufunxa. Ukunyusa ubushushu bokufunxa kunokunyusa ngempumelelo uxinzelelo lokufunxa, kunciphise ngokukhawuleza umlinganiselo wokucinezelwa, kwaye ngaloo ndlela kunciphise ubushushu bokukhupha umoya.
Ukuziqhelanisa kubonisa ukuba ukunciphisa ubushushu bokukhupha umoya ngokunyusa uxinzelelo lokufunxa kulula kwaye kusebenza ngakumbi kunezinye iindlela.
Isizathu esiphambili soxinzelelo olugqithisileyo lokukhupha umoya kukuba uxinzelelo lokufuma luphezulu kakhulu. Indawo yokupholisa enganeleyo ye-condenser, ukuqokelelwa kwesikali, umthamo womoya opholileyo okanye umthamo wamanzi owaneleyo, amanzi okupholisa aphezulu kakhulu okanye ubushushu bomoya, njl.njl. kunokukhokelela kuxinzelelo olugqithisileyo lokufuma. Kubaluleke kakhulu ukukhetha indawo efanelekileyo yokufuma kunye nokugcina ukuhamba okuphakathi kokupholisa okwaneleyo.
Iicompressor zobushushu obuphezulu kunye nezomoya-moya zenzelwe ukusebenza ngomlinganiselo ophantsi woxinzelelo. Emva kokuba zisetyenziselwe ukuba zifrijiwe, umlinganiselo woxinzelelo uyanda ngokukhawuleza, ubushushu bokukhupha umoya buphezulu kakhulu, kwaye ukupholisa akukwazi ukuqhubeka, okubangela ubushushu obugqithisileyo. Ke ngoko, kuphephe ukusebenzisa icompressor ngaphaya komlinganiselo wayo kwaye sebenzisa icompressor ngaphantsi komlinganiselo omncinci woxinzelelo olunokwenzeka. Kwezinye iinkqubo ze-cryogenic, ubushushu obugqithisileyo yeyona nto iphambili yokusilela kwecompressor.
4. Ukudibanisa igesi nokulwa nokwanda
Emva kokuba kuqalile ukutsalwa kwegesi, igesi enoxinzelelo oluphezulu ebambeke kwindawo evulekileyo yesilinda iya kususwa. Emva kokususwa, uxinzelelo lwegesi lubuyela kuxinzelelo lokutsalwa, kwaye amandla asetyenziswayo ukucinezela le nxalenye yegesi ayalahleka ngexesha lokususwa. Okukhona indawo incinci, kokukhona ukusetyenziswa kwamandla okubangelwa kukungandiswa kwelinye icala, kwaye kokukhona umthamo wokutsalwa umkhulu kwelinye icala, ngaloo ndlela kwandisa kakhulu umlinganiselo wokusebenza kakuhle kwamandla wecompressor.
Ngexesha lenkqubo yokususa ulwandiso, igesi idibana neendawo ezinobushushu obuphezulu zepleyiti yevalvu, i-piston top kunye ne-cylinder top ukuze ifunxe ubushushu, ngoko ke ubushushu begesi abuyi kwehla bufikelele kubushushu bokufunxa ekupheleni kokususa ulwandiso.
Emva kokuba igesi igqityiwe ukunqanda ukwanda, inkqubo yokuphefumla iyaqala. Emva kokuba igesi ingene kwisilinda, kwelinye icala ixubana negesi ethintela ukwanda kwaye ubushushu buyaphakama; kwelinye icala, igesi exutyiweyo ifunxa ubushushu obuvela kumphezulu wodonga kwaye ifudumale. Ke ngoko, ubushushu begesi ekuqaleni kwenkqubo yokucinezela buphezulu kunobushushu bokufunxa. Nangona kunjalo, ekubeni inkqubo yokunciphisa ukwanda kunye nenkqubo yokufunxa zimfutshane kakhulu, ukunyuka kobushushu bokwenyani kuncinci kakhulu, ngokubanzi kungaphantsi kwe-5°C.
Ukungakhuli kubangelwa kukususwa kwesilinda kwaye kukusilela okungenakuphepheka kwee-compressor zepiston zemveli. Ukuba igesi ekwingxobo yomoya wepleyiti yevalvu ayinakukhutshwa, kuya kubakho ukwanda okungasemva.
5. Ukunyuka kobushushu boxinzelelo kunye nohlobo lwefriji
Iifriji ezahlukeneyo zineempawu ezahlukeneyo ze-thermophysical, kwaye ubushushu begesi yokukhupha umoya buya kunyuka ngokwahlukileyo emva kokuba kudlule inkqubo efanayo yokucinezelwa. Ke ngoko, kwiifriji ezahlukeneyo, kufuneka kukhethwe iifriji ezahlukeneyo.
6. Izigqibo kunye neengcebiso
Xa icompressor isebenza ngokuqhelekileyo ngaphakathi koluhlu lokusetyenziswa, akufuneki kubekho izinto ezigqithisileyo ezifana nobushushu obuphezulu bemoto kunye nobushushu obuphezulu bomphunga womoya. Ubushushu obugqithisileyo becompressor luphawu olubalulekileyo lwempazamo, olubonisa ukuba kukho ingxaki enkulu kwinkqubo yokufriji, okanye ukuba icompressor ayisetyenziswanga kwaye ayigcinwanga kakuhle.
Ukuba unobangela oyintloko wokugqithisa kwe-compressor ukwinkqubo yokukhenkcisa, ingxaki ingasonjululwa kuphela ngokuphucula uyilo kunye nokugcinwa kwenkqubo yokukhenkcisa. Ukutshintsha i-compressor entsha akunakuyiphelisa ngokupheleleyo ingxaki yokugqithisa.
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Ixesha leposi: Matshi-13-2024