1. Isiguquli:
I-refrigeration compressor yenye yezona zixhobo ziphambili zokugcina izinto ezibandayo. Ukukhetha ngokuchanekileyo kubaluleke kakhulu. Amandla okupholisa e-refrigeration compressor kunye namandla e-motor ehambelanayo zinxulumene kakhulu nobushushu bokufuma kunye nobushushu bokujiya.
Ubushushu bokujiya kunye nobushushu bokufuma zezona parameter ziphambili zeecompressor zefriji, ezibizwa ngokuba ziimeko zefriji. Emva kokuba umthwalo wokupholisa wesitoreji esibandayo ubaliwe, iyunithi yecompressor enomthamo wokupholisa ofanelekileyo inokukhethwa.
Iicompressor zefriji ezisetyenziswa kakhulu kwiinkqubo zokugcina iifriji ezibandayo luhlobo lwepiston kunye nohlobo lweskrubu. Ngoku ii-scroll compressors ziye zaba ziicompressor ezisetyenziswa kakhulu kwiinkqubo zokugcina iifriji ezincinci.
Imigaqo ngokubanzi yokukhetha ii-compressors zefriji kwindawo yokugcina ebandayo
1. Umthamo wefriji wecompressor kufuneka ukwazi ukuhlangabezana neemfuno eziphezulu zomthwalo wemveliso yexesha lokuphela kobushushu obubandayo, kwaye ngokubanzi musa ukusebenzisa iiyunithi.
2. Ukumisela umthamo kunye nenani lomatshini omnye kufuneka kuqwalaselwe ngokwezinto ezinje ngokulula kokulungiswa kwamandla kunye notshintsho lweemeko zokusebenza kwento efrijini. Iicompressor ezinkulu kufuneka zikhethwe kwiindawo zokugcina ezibandayo ezinomthwalo omkhulu wokufriji ukuze kuthintelwe ukuba inani loomatshini lingabi likhulu kakhulu. Inani leecompressor ezinkulu zokugcina ezibandayo akulula ukuzikhetha. Ukongeza kwezimbini, enye ingakhethwa kwindawo yokugcina ebandayo yenkonzo yobomi bonke.
3. Khetha i-compressor efanelekileyo ngokwe-compression ratio ebaliweyo. Kwi-Freon compressors, sebenzisa i-single-stage compressor ukuba i-compression ratio ingaphantsi kwe-10, kwaye sebenzisa i-two-stage compressor ukuba i-compression ratio ingaphezulu kwe-10.
4. Xa kukhethwa ii-compressor ezininzi, kufuneka kuqwalaselwe ngokupheleleyo ukuba kunokwenzeka ukuba kubekho i-backup efanayo kunye nokutshintshwa kweendawo phakathi kweeyunithi. Iimodeli ze-compressor zeyunithi enye kufuneka zibe zezoluhlu olufanayo okanye imodeli efanayo.
5. Iimeko zokusebenza zecompressor yefriji kufuneka zihlangabezane neemeko zoyilo ezisisiseko kangangoko kunokwenzeka, kwaye iimeko zokusebenza akufuneki zidlule kuluhlu lokusebenza oluchazwe ngumvelisi wecompressor. Ngokuvuthwa okuqhubekayo kwetekhnoloji yokulawula ifriji, iyunithi yecompressor elawulwa yi-microcomputer lukhetho olufanelekileyo.
6. Ngenxa yeempawu zesakhiwo se-screw compressor, umlinganiselo wayo womthamo uyatshintsha ngokweemeko zokusebenza, ngoko ke i-screw compressor inokuqhelana neemeko zokusebenza ezahlukeneyo. Umlinganiselo woxinzelelo lwesigaba esinye se-screw compressor mkhulu kwaye unoluhlu olubanzi lokusebenza. Phantsi kwemeko ye-economizer, ukusebenza kakuhle okuphezulu kunokufumaneka.
7. Ngenxa yokusebenza kwayo kakuhle, ingxolo ephantsi kunye nokusebenza okuzinzileyo, ii-scroll compressors ziye zanikwa ingqalelo kwiminyaka yakutshanje, kwaye zisetyenziswa ngakumbi nangakumbi kwiiprojekthi zokugcina izinto ezibandayo ezincinci neziphakathi.
Izixhobo zokutshintshiselana ubushushu: i-condenser
I-condenser ingahlulwa ibe yi-cooled-water, air-cooled, kunye ne-water-air mixed cooling ngokwendlela yokupholisa kunye ne-condensing medium.
Imigaqo ngokubanzi yokukhetha i-condenser
1. I-condenser ethe nkqo ibekwe ngaphandle kwegumbi lomatshini kwaye ifanelekile kwiindawo ezinemithombo yamanzi emininzi kodwa umgangatho wamanzi uphantsi okanye ubushushu bamanzi obuphezulu.
2. Ii-condenser zamanzi kwigumbi lokulala zisetyenziswa kakhulu kwiinkqubo zeFreon, ngokubanzi zibekwe kwigumbi leekhompyutha, kwaye zifanelekile kwiindawo ezinobushushu obuphantsi bamanzi kunye nomgangatho wamanzi olungileyo.
3. Izikhuseli zomoya eziphumayo zifanelekile kwiindawo ezinomoya ophantsi okanye ukunqongophala kwamanzi, kwaye kufuneka zibekwe kwindawo enomoya opholileyo ngaphandle.
4. Ii-condenser ezipholileyo ngomoya zifanelekile kwiindawo ezinemithombo yamanzi exineneyo, kwaye zisetyenziswa kakhulu kwiinkqubo zokukhenkceza zeFreon ezincinci neziphakathi.
5. Zonke iintlobo zee-condenser ezipholiswe ngamanzi zingasebenzisa indlela yokupholisa yokujikeleza amanzi,
6. Kwizikhondesi ezipholisiweyo ngamanzi okanye eziphuma emanzini, ubushushu bokukhondesa kufuneka bukhethwe ngokwemigangatho yesizwe ngexesha loyilo, kodwa akufuneki budlule kwi-40 °C.
7. Ngokwembono yeendleko zezixhobo, ixabiso le-evaporative condenser lelona liphezulu. Xa kuthelekiswa nendawo yokugcina ebandayo enkulu nephakathi, i-evaporative condenser kunye nezinye iintlobo ze-water condenser kunye ne-cooling water circulation indibaniselwano, ixabiso lokuqala lokwakha liyafana, kodwa i-evaporative condenser iyonga kakhulu xa isebenza kamva. Ukuze kongiwe amandla ngamanzi, i-evaporative condenser isetyenziswa kakhulu kwi-condensers kumazwe aphuhlileyo, kodwa kwiindawo ezinobushushu obuphezulu kunye nokufuma okuphezulu, isiphumo se-evaporative condenser asifanelekanga.
Kakade ke, ukhetho lokugqibela lwe-condenser luxhomekeke kwiimeko zemozulu zalo mmandla kunye nomgangatho wamanzi omthombo wamanzi wasekuhlaleni. Ikwanxulumene nomthwalo wobushushu wokwenene kwindawo yokugcina amanzi abandayo kunye neemfuno zoyilo lwegumbi lekhompyutha.
Ivalvu yoMthombo:
Indlela yokuqhobosha yenye yezona zinto zine ziphambili zenkqubo yokuqhobosha kwindawo yokugcina izinto ezibandayo, kwaye yinto ebaluleke kakhulu ekufezekiseni umjikelo wokuqhobosha ngomphunga. Umsebenzi wayo kukunciphisa ubushushu kunye noxinzelelo lwefriji kwi-accumulator emva kokuqhobosha, kwaye kwangaxeshanye ilungise ukuhamba kwefriji ngokwenguqu yomthwalo.
Ngokwendlela yohlengahlengiso esetyenziswayo, indlela yokunyusa i-throttle ingahlulwahlulwa ibe: ivalvu yokulungisa i-throttle ngesandla, ivalvu yokulungisa i-throttle level yolwelo, indlela yokunyusa i-throttle engaguqukiyo, ivalvu yokwandisa i-elektroniki ehlengahlengiswa yi-electron pulse, kunye nevalvu yokwandisa i-superheat ehlengahlengiswayo. Ivalvu yokwandisa i-thermal.
Ivalvu yokwandisa ubushushu sesona sixhobo sokuthomalalisa esisetyenziswa kakhulu kwinkqubo yokupholisa karhulumente. Ilungisa inqanaba lokuvula levalvu kwaye ilungisa ulwelo ngokulinganisa iqondo lobushushu obukhulu bomoya obuyayo kumbhobho wokuphuma we-evaporator ngesensor yobushushu, kwaye yenza uhlengahlengiso oluzenzekelayo ngaphakathi koluhlu oluthile. Umsebenzi womthamo wonikezelo lolwelo, umsebenzi wohlengahlengiso womthamo wonikezelo lolwelo oluqinileyo olutshintsha ngokutshintsha komthwalo wobushushu.
Iivalvu zokwandisa zinokwahlulwa zibe ziintlobo ezimbini: uhlobo lwebhalansi yangaphakathi kunye nohlobo lwebhalansi yangaphandle ngokwesakhiwo sazo.
Ivalvu yokwandisa ubushushu elungelelanisiweyo ngaphakathi ifanelekile kwiinkqubo zokukhenkcisa ezinamandla amancinci okuphehla ubushushu. Ngokubanzi, iivalvu zokwandisa ubushushu ezilungelelanisiweyo ngaphakathi zisetyenziswa kwiinkqubo zokukhenkcisa ezincinci.
Xa i-evaporator ine-liquid separator okanye umbhobho wokufuma ude kwaye kukho amasebe amaninzi kwinkqubo yokufrijiza kunye nokulahlekelwa okukhulu koxinzelelo kumacala omabini e-evaporator, ivalvu yokwandisa ibhalansi yangaphandle iyakhethwa.
Kukho iintlobo ezininzi zeevalvu zokwandisa ubushushu, kwaye iivalvu zokwandisa ezineenkcazo ezahlukeneyo kunye neemodeli zineendlela ezahlukeneyo zokupholisa. Ukhetho kufuneka lusekelwe kubukhulu bomthamo wokupholisa wenkqubo yokugcina ifriji ebandayo, uhlobo lwefriji, umahluko woxinzelelo ngaphambi nasemva kwevalvu yokwandisa, kunye nobukhulu be-evaporator. Izinto ezinje ngokuhla koxinzelelo zikhethwa emva kokulungisa umthamo wokupholisa olinganisiweyo wevalvu yokwandisa.
Misela uhlobo lwevalvu yokwandisa ubushushu esetyenziswa kwinkqubo yokugcina ebandayo ngokubala ukulahleka koxinzelelo kunye nobushushu bokufuma. Xa ukulahleka koxinzelelo kungaphantsi kwexabiso elichaziweyo, ibhalansi yangaphakathi inokukhethwa, kwaye ibhalansi yangaphandle inokukhethwa xa ixabiso lingaphezulu kwetafile.
Okwesine, izixhobo zokutshintshiselana ubushushu – i-evaporator
I-evaporator yenye yezona zinto zine zibalulekileyo kwinkqubo yokufrijisa kwindawo yokugcina izinto ezibandayo. Isebenzisa i-liquid refrigerant ukuze iphele phantsi koxinzelelo oluphantsi, ifunxe ubushushu be-medium epholileyo, kwaye ifezekisa injongo yokunciphisa ubushushu be-medium epholileyo.
Ii-evaporators zifakelwa kwiindlela ezahlukeneyo ze-cooling medium, kwaye zahlulwe zibe ziintlobo ezimbini: ii-evaporators zezinto zokupholisa ulwelo kunye nee-evaporators zeegesi zokupholisa.
I-evaporator esetyenziswa kwindawo yokugcina izinto ebandayo yi-evaporator yokupholisa igesi.
Umgaqo wokukhetha uhlobo lwe-evaporator:
1. Ukukhethwa kwesixhobo sokufunxa kufuneka kumiselwe ngokupheleleyo ngokweemfuno zobugcisa zokulungisa ukutya kunye nokugcina ifriji okanye ezinye izinto zobuchwepheshe.
2. Iimeko zokusetyenziswa kunye nemigangatho yobugcisa ye-evaporator kufuneka ihlangabezane neemfuno ezisemgangathweni zezixhobo zokufriji ezikhoyo ngoku
3. Izixhobo zokupholisa umoya opholileyo zingasetyenziswa kumagumbi okupholisa, amagumbi okukhenkceza, kunye namagumbi okukhenkceza
4. Iipayipi zokukhupha umoya ze-aluminium, iipayipi zokukhupha umoya eziphezulu, iipayipi zokukhupha umoya eludongeni okanye ii-air cooler zonke zingasetyenziswa kwigumbi lefriji kwizinto eziqandisiweyo. Xa ukutya kupakishwe kakuhle, i-cooler ingasetyenziswa. Kulula ukusebenzisa uhlobo lwepayipi yokukhupha umoya ekutyeni ngaphandle kokupakishwa.
5. Ngenxa yeenkqubo ezahlukeneyo zokuqandisa ukutya, izixhobo ezifanelekileyo zokuqandisa kufuneka zikhethwe ngokwemeko yokwenyani, njengeetonela zokuqandisa okanye iirakhi zokuqandisa zohlobo lwetyhubhu.
6. Izixhobo zokupholisa kwigumbi lokupakisha zifanelekile ukusetyenziswa kwezipholile zomoya xa ubushushu bokugcina bungaphezulu kune-5 °C, kwaye i-evaporator yohlobo lwetyhubhu ifanelekile ukusetyenziswa xa ubushushu bokugcina bungaphantsi kune-5 °C.
7. Isikhenkcezisi sifanelekile ukusetyenziswa kwemibhobho egudileyo emqolo ophezulu.
Ifeni yokugcina izinto ezibandayo ineengenelo ezininzi ezifana nokutshintsha ubushushu okukhulu, ukufakelwa okulula nokulula, indawo encinci yokusebenza, inkangeleko entle, ulawulo oluzenzekelayo, kunye nokunyibilikisa ngokupheleleyo. Ithandwa kakhulu ziiprojekthi ezininzi zokugcina izinto ezibandayo ezincinci, indawo yokugcina izinto ezibandayo zonyango, kunye neendawo zokugcina izinto ezibandayo zemifuno.
Ixesha lokuthumela: Novemba-18-2022
