Ukuncibilikisa indawo yokugcina ebandayo kubangelwa kakhulu yiqhwa elisebusweni be-evaporator endaweni yokugcina ebandayo, okunciphisa umswakama endaweni yokugcina ebandayo, kuvimbele ukuqhutshwa kokushisa kwepayipi, futhi kuthinte umphumela wokupholisa. Izinyathelo zokuncibilikisa indawo yokugcina ebandayo zifaka phakathi:
ukuncibilikisa igesi eshisayo
Ukudlulisa ngqo i-ejenti yokushisa eshisayo ephuma ku-evaporator bese igeleza nge-evaporator. Lapho izinga lokushisa lokugcina elibandayo lenyuka laya ku-1 °C, i-compressor iyacinywa. Izinga lokushisa le-evaporator liyakhuphuka, okubangela ukuthi ungqimba lwesithwathwa olungaphezulu luncibilike noma luqhekeke; ukuncibilika komoya oshisayo kuyonga futhi kuthembekile, futhi ukulungiswa nokuphathwa kulula, futhi ukutshalwa kwezimali nokwakhiwa kwayo akunzima. Kodwa-ke, kunezindlela eziningi zokuncibilikisa umoya oshisayo. Indlela evamile ukuthumela igesi yokucindezela okuphezulu kanye negesi yokushisa ephezulu ekhishwa ku-compressor iye ku-evaporator ukuze kukhishwe ukushisa kanye nokuncibilikisa, bese uvumela uketshezi oluhlanganisiwe lungene komunye u-evaporator ukuze lumunce ukushisa futhi luphele lube yigesi yokushisa ephansi kanye nengcindezi ephansi. Buyela emuva ekumunceni kwe-compressor ukuze uqedele umjikelezo.
Ukuncibilikisa isifutho samanzi
Futha amanzi njalo ukuze upholise i-evaporator ukuze uvimbele ukwakheka kwengqimba yesithwathwa; yize umphumela wokuncibilikisa wokuncibilikisa isifutho samanzi umuhle, ulungele kakhulu i-air cooler, okunzima ukuyisebenzisa kwi-evaporation coil. Kukhona nesisombululo esinezinga lokushisa eliphakeme lokuqandisa, njenge-5%—8% yamanzi acwebile, ukuvimbela ukwakheka kwesithwathwa.
Ugesincibilikisa iqhwa Izifudumezi zikagesiziyashiswa ukuze zincibilike.
Nakuba kulula futhi kulula, ngokwesakhiwo sangempela sesisekelo sokugcina esibandayo kanye nokusetshenziswa kwesisekelo, ubunzima bokwakha bokufaka ucingo lokushisa abuncane, futhi izinga lokwehluleka liphezulu kakhulu esikhathini esizayo, ukuphathwa kokugcinwa kunzima, kanti nomnotho nawo uphansi.
Kunezindlela eziningi zokuncibilikisa iqhwa endaweni ebandayo, ngaphezu kokuncibilikisa ngogesi, ukuncibilikisa amanzi kanye nokuncibilikisa umoya oshisayo, kukhona ukuncibilikisa ngomshini, njll. Ukuncibilikisa ngomshini kusetshenziswa kakhulu amathuluzi ukuncibilikisa ngesandla, ungqimba lwesithwathwa ku-coil yokuhwamuka kwesitoreji esibandayo Uma kudingeka ukususa, njengoba isitoreji esibandayo somklamo singenawo umshini wokuncibilikisa okuzenzakalelayo, ukuncibilikisa ngesandla kuphela okungenziwa, kodwa kunezinkinga eziningi.
Idivayisi Yokuncibilikisa I-Fluoride Eshisayo (Eyenziwe Ngesandla):Le divayisi iyithuluzi elilula lokuncibilikisa iqhwa elenziwe ngokwesimiso sokuncibilikisa i-fluorine eshisayo. Manje isetshenziswa kabanzi embonini yokuqandisa njengemboni yeqhwa kanye nokuqandisa. Azikho izivalo ze-solenoid ezidingekayo. Uhlelo lokujikeleza oluzimele lwe-compressor eyodwa kanye ne-evaporator eyodwa. Akufanele amayunithi e-cascade ahambisanayo, anezigaba eziningi.
Izinzuzo:Ukuxhumeka kulula, ukusebenza kokufaka kulula, ukunikezwa kwamandla akudingeki, ukuphepha akudingeki, isitoreji asidingeki, izimpahla azigcinwa, izinga lokushisa lokugcina aliqandisiwe, futhi impahla ibanda futhi ibanda. Ukusetshenziswa kwemboni yokuqandisa kanye nefriji kungama-square metres angama-20 kuya kuma-square metres angama-800, kanti ithubhu lokugcina elibandayo elincane neliphakathi liyancibilika. Umphumela wemishini yezimboni yeqhwa ehlanganiswe nemigqa emibili ye-aluminium.
izici ezinhle kakhulu zomphumela wokuncibilikisa
1.ukulawula ngesandla inkinobho eyodwa, elula, ethembekile, ephephile, akukho ukwehluleka kwemishini okubangelwa ukusebenza kabi.
2. Ukushisa kusuka ngaphakathi, inhlanganisela yengqimba yesithwathwa nodonga lwepayipi ingancibilikiswa, futhi umthombo wokushisa usebenza kahle kakhulu.
3. Ukuncibilikisa kuhlanzekile futhi kuphelele, ungqimba lwesithwathwa olungaphezu kuka-80% luqinile, futhi umphumela uba ngcono nge-evaporator yokukhipha i-aluminium enamafin amabili.
4. ngokusho komdwebo ofakwe ngqo kuyunithi yokujiya, uxhumano olulula lwepayipi, azikho ezinye izesekeli ezikhethekile.
5. Ngokuya ngobukhulu bangempela bobukhulu besendlalelo sesithwathwa, ngokuvamile kusetshenziswa imizuzu engama-30 kuya kwengama-150.
6. Uma kuqhathaniswa nokhilimu wokushisa kagesi: ukuphepha okuphezulu, umthelela ophansi omubi ekushiseni okubandayo, kanye nomthelela omncane esitokweni nasekupakishweni.
I-evaporator yesistimu yokugcina ebandayo kufanele inake ukunakekelwa. Uma i-evaporator frosting izothinta ukusetshenziswa okuvamile kwesitoreji esibandayo, ungancibilikisa kanjani ngesikhathi? Amathiphu ethu okufaka isitoreji esibandayo ubusuku bonke kufanele unake amaphuzu e-evaporator frosting azoholela ekumelaneni nokushisa okukhulu, i-coefficient yokudlulisa ukushisa yehle. Kwi-chiller, indawo enqamula ukugeleza komoya iyancipha, ukumelana nokugeleza kuyanda, futhi ukusetshenziswa kwamandla kuyanda. Ngakho-ke, kufanele incibilikiswe ngesikhathi.
Izinhlelo zokugcina izinto ezibandayo zamanje zimi kanje:
1. Ukuqandisa ngesandla kulula futhi akunamthelela omkhulu ekushiseni kwesitoreji, kodwa amandla okusebenza makhulu, ukuncibilikisa akuphelele, futhi kunemikhawulo.
2. Amanzi ayahlanzwa, bese amanzi aqandayo afafazwa ebusweni bomshini wokufudumeza ngedivayisi yokufutha ukuze kuncibilikiswe ungqimba oluphindwe kabili, bese ekhishwa ngepayipi lokukhipha amanzi. Uhlelo lusebenza kahle kakhulu, inqubo elula yokusebenza kanye nokushintshashintsha okuncane kwezinga lokushisa lokugcina. Ngokombono wamandla, amandla okupholisa ngemitha yesikwele yendawo yokuhwamuka angafinyelela ku-250-400kj. Ukuhlanzwa kwamanzi kwenza kube lula ukufaka ingaphakathi lendlu yokugcina impahla, okubangela ukuconsa kwamanzi ophahleni olubandayo, okunciphisa isikhathi sokusebenza.
3. Ukuncibilikisa umoya oshisayo, kusetshenziswa ukushisa okukhishwa umusi oshisayo okhishwa kwi-compressor ukuze kuncibilikiswe ungqimba oluphindwe kabili ebusweni be-evaporator. Izici zayo zisebenza kahle futhi zinengqondo ekusetshenzisweni kwamandla. Kuhlelo lokuqandisa lwe-ammonia, ukuncibilikisa kungaphinde kukhiphe uwoyela ku-evaporator, kodwa isikhathi sokuncibilikisa side, okunomthelela othile ekushiseni kokugcina. Uhlelo lokuqandisa luyinkimbinkimbi.
4, ukushisa nokuncibilikisa ngogesi, kusetshenziswa isici sokushisa ukushisa indawo yokugcina ebandayo ukuze kuncibilike. Uhlelo lulula, kulula ukulusebenzisa, kulula ukulusebenzisa ngokuzenzakalelayo, kodwa lusebenzisa amandla amaningi.
Uma uhlelo lwangempela lunqunywa, ngezinye izikhathi kusetshenziswa uhlelo lokuncibilikisa, futhi ngezinye izikhathi kuhlanganiswa amasu ahlukene. Njengepayipi lokugcina izinto ezibandayo, udonga, ipayipi elibushelelezi eliphezulu, ungasebenzisa inhlanganisela yokwenziwa yendlela yegesi eshisayo, ngokuvamile i-frosting ngesandla, i-hot air defrost ejwayelekile, ukuze uqonde kahle ukuthi iqhwa elikhukhulayo akulula ukususa iqhwa bese ukhipha uwoyela epayipini. I-air blower ihlanzwa ngamanzi nomoya oshisayo. Ukuze uthole i-frosting eyengeziwe, i-frosting evame ukwenziwa ngomoya oshisayo ohlanganiswe ne-water defrosting. Lapho uhlelo lokuqandisa lwe-cold storage lusebenza, izinga lokushisa lobuso be-evaporator livame ukuba ngaphansi kwezinga. Ngakho-ke, i-evaporator ingaphansi kwe-frosting, futhi ungqimba lweqhwa lunokumelana okukhulu nokushisa, ngakho-ke ukwelashwa kwe-frosting okudingekayo kuyadingeka lapho iqhwa lijiyile.
I-evaporator yesitoreji esibandayo ihlukaniswe ngohlobo lwepayipi lodonga kanye nohlobo lwefin ngokwesakhiwo sayo, uhlobo lokufuduka kodonga luwukudluliselwa kokushisa kwemvelo kwe-convection, uhlobo lwefin luwukudluliselwa kokushisa kwe-convection okuphoqelelwe, kanti uhlobo lwethubhu yomugqa wodonga oluncibilikisayo ngokuvamile lusetshenziswa ngesandla. Iqhwa, uhlobo lwefin olunokhilimu wokushisa kagesi.
Ukuncibilikisa iqhwa ngesandla kuyakhathaza kakhulu. Kuyadingeka ukuncibilikisa iqhwa ngesandla, ukuhlanza iqhwa, nokuhambisa okuqukethwe umtapo wolwazi. Ngokuvamile, umsebenzisi kufanele aye ekuncibilikiseni isikhathi eside noma ngisho nezinyanga ezimbalwa. Lapho kuncibilikisa iqhwa, ungqimba lweqhwa seluvele lujiyile. Ukumelana nokushisa kwengqimba kwenze i-evaporator yaba kude nokufinyelela esiqandisini. Ukuncibilikisa iqhwa ngokushisa kukagesi kuyisinyathelo esisodwa esingaphezulu kunokuncibilikisa iqhwa ngesandla ngesandla, kodwa kukhawulelwe kuma-evaporator ancishisiwe, ama-evaporator odonga namapayipi awakwazi ukusetshenziswa.
Uhlobo lokushisa kagesi kufanele lufakwe epayipini lokushisa kagesi ku-evaporator yohlobo lwe-fin, bese kuthi ipayipi lokushisa kagesi lifakwe ethileyi yokwamukela amanzi. Ukuze kususwe iqhwa ngokushesha okukhulu, amandla epayipi lokushisa kagesi awakwazi ukukhethwa amancane kakhulu, ngokuvamile kuzoba ama-kilowatts ambalwa. Indlela yokulawula yokusebenza kwepayipi lokushisa kagesi ngokuvamile isebenzisa ukulawula ukushisa kwesikhathi. Lapho kushiswa, ipayipi lokushisa kagesi lidlulisela ukushisa ku-evaporator, bese ingxenye yeqhwa ekhoyilini yokuhwamuka bese iphiko liyancibilika, kanti ingxenye yeqhwa ayincibilikisi ngokuphelele ithileyi yamanzi ewayo, bese ishiswa futhi incibilikiswe yipayipi lokushisa kagesi kuthileyi yokwamukela amanzi. Lokhu kuwukuchitha ugesi, futhi umphumela wokupholisa mubi kakhulu. Ngenxa yokuthi i-evaporator igcwele iqhwa, i-coefficient yokushintshanisa ukushisa iphansi kakhulu.
Indlela engavamile yokuncibilikisa iqhwa endaweni ebandayo
1. Ukuze kuncibilikiswe igesi eshisayo yezinhlelo ezincane, uhlelo kanye nendlela yokulawula kulula, isivinini sokuncibilikisa siyashesha, sifana futhi siphephile, futhi ububanzi bokusetshenziswa kufanele bandiswe kabanzi.
2. Ukuncibilikisa umoya kufaneleka kakhulu ezinhlelweni zokuqandisa ezidinga ukuncibilikisa njalo. Nakuba kudingeka ukwengeza imishini ekhethekile yokwelapha umoya kanye neyomoya, uma nje izinga lokusetshenziswa liphezulu, umnotho uzoba muhle kakhulu.
3. Ukuncibilikisa iqhwa nge-Ultrasonic kuyindlela esobala yokonga amandla. Ukuhlelwa kwamajeneretha e-ultrasonic kufanele kufundwe kabanzi ukuze kuthuthukiswe ukuncibilikisa iqhwa ngezinhlelo zokusebenza zobunjiniyela.
4, ukuncibilikisa i-liquid refrigerant, inqubo yokupholisa kanye nenqubo yokuncibilikisa ngesikhathi esifanayo, akukho ukusetshenziswa kwamandla okwengeziwe ngesikhathi sokuncibilikisa, ukupholisa iqhwa kusetshenziselwa i-liquid refrigerant ngaphambi kwe-supercooling expansion valve, kuthuthukisa ukusebenza kahle kokupholisa ukuze izinga lokushisa lomtapo wolwazi ligcinwe ngokuyisisekelo. Izinga lokushisa le-liquid refrigerant lingaphakathi kwebanga lokushisa elijwayelekile, futhi ukuphakama kwezinga lokushisa kwe-evaporator ngesikhathi sokuncibilikisa kuncane, okunomthelela omncane ekuwohlokeni kokudluliselwa kokushisa kwe-evaporator. Ububi ukuthi ukulawula okuyinkimbinkimbi kwesistimu kuyakhathaza.
Ngesikhathi sokuncibilikisa, ngokuvamile kuba kungakhathaliseki ukuthi izinga lokushisa lingakanani. Isikhathi sokuncibilikisa siphelile, bese kuthi ngesikhathi sokuconsa, ifeni liqale futhi. Isikhathi sakho sokuncibilikisa akufanele sibe side kakhulu, futhi ukhilimu wokushisa kagesi akufanele udlule imizuzu engama-25. Zama ukufeza ukuncibilikisa okufanelekile. (Umjikelezo wokuncibilikisa ngokuvamile usekelwe esikhathini sokudlulisa amandla noma isikhathi sokuqala kwe-compressor.) Okunye ukulawula izinga lokushisa kwe-elekthronikhi nakho kusekela izinga lokushisa lokugcina lokuncibilikisa. Kuqeda ukuncibilikisa ngezindlela ezimbili, 1 isikhathi kanti 2 ku-wen. Lokhu ngokuvamile kusebenzisa ama-probe amabili okushisa.
Ekusetshenzisweni kwansuku zonke kwesitoreji esibandayo, kuyadingeka ukususa njalo iqhwa endaweni ebandayo. Iqhwa eliningi endaweni ebandayo alivumeli ukusetshenziswa okuvamile kwendawo ebandayo. Ephepheni, imininingwane yeqhwa endaweni ebandayo kufanele ithathwe. Indlela yokulisusa? Yiziphi izindlela ezivamile?
1. Hlola i-refrigerant bese uhlola ukuthi ikhona yini i-bubble engilazini ebonakalayo. Uma kune-bubble ebonisa ukuthi ayanele, engeza i-refrigerant evela epayipini elinomfutho ophansi.
2. Hlola ukuthi kukhona yini isikhala epuletini lokugcina izinto ezibandayo eduze kwepayipi lokukhipha umoya elibandayo, okuholela ekuvuzeni komkhuhlane. Uma kukhona isikhala, sivale ngqo ngeglue yengilazi noma i-ejenti ye-foam.
3. Hlola ipayipi yethusi ukuthi alivuzi yini, lithole ukuvuza kwesifutho noma amanzi anensipho ukuze uhlole amabhamuza omoya.
4. imbangela ye-compressor ngokwayo, isibonelo, igesi enomfutho ophezulu nophansi, idinga ukushintshwa kwevalvu, ethunyelwe esitolo sokulungisa i-compressor ukuze ilungiswe.
5. ukuze ubone ukuthi iseduze yini nokubuyela endaweni okufanele idonswe, uma ikhona, bese uthola ukuthi kuvuza yini, engeza i-refrigerant. Kulesi simo, ipayipi ngokuvamile alibekwa ngokuvundlile. Kunconywa ukuthi lilingane neleveli. Ngemuva kwalokho akukho ukushaja okwanele kwe-refrigerant, kungenzeka ukuthi i-refrigerant ingeziwe, noma kukhona i-ice block epayipini.
Isikhathi sokuthunyelwe: Septhemba-26-2024