Ukunyibilika kwendawo yokugcina ebandayo kubangelwa kakhulu yingqele ephezu komphezulu we-evaporator kwindawo yokugcina ebandayo, enciphisa umswakama kwindawo yokugcina ebandayo, ithintele ukuhanjiswa kobushushu bombhobho, kwaye ichaphazela isiphumo sokupholisa. Amanyathelo okunyibilikisa indawo yokugcina ebandayo aquka ikakhulu:
ukunyibilikisa igesi eshushu
Ukudlulisa ngokuthe ngqo i-ejenti yokufunxa igesi eshushu kwi-evaporator ize idlule kwi-evaporator. Xa ubushushu bokugcina ubushushu bunyuka bufikelela kwi-1 °C, i-compressor iyacinywa. Ubushushu be-evaporator buyanyuka, nto leyo ebangela ukuba umaleko weqhwa ongaphezulu unyibilike okanye uqhekeke; ukunyibilika komoya oshushu kungabizi kwaye kuthembekile, kwaye ukugcinwa nokulawulwa kulula, kwaye utyalo-mali kunye nokwakhiwa kwawo akunzima. Nangona kunjalo, kukho iindlela ezininzi zokunyibilikisa umoya oshushu. Indlela eqhelekileyo kukuthumela uxinzelelo oluphezulu kunye negesi yobushushu obuphezulu ekhutshwa kwi-compressor iye kwi-evaporator ukuze kukhululwe ubushushu kunye nokunyibilikisa, kwaye uvumele ulwelo olufumileyo lungene kwenye i-evaporator ukuze ifunxe ubushushu kwaye iphele ibe yigesi yobushushu obuphantsi kunye noxinzelelo oluphantsi. Buyela kwi-compressor suction ukuze ugqibezele umjikelo.
Ukunyibilikisa isitshizi samanzi
Qho faka amanzi ukuze apholise i-evaporator ukuze uthintele ukwakheka kwe-frost layer; nangona isiphumo sokunyibilikisa i-water spray silungile, sifanelekile ngakumbi kwi-air cooler, ekunzima ukuyisebenzisa kwi-evaporation coil. Kukwakho nesisombululo esinobushushu obuphezulu be-freeze point, njenge-5%—8% concentrated brine, ukuthintela ukwakheka kwe-frost.
Zombanenyibilikisa ubushushu bombanezifudunyezwa ukuze zinyibilike.
Nangona kulula kwaye kulula, ngokwesakhiwo sokwenyani sesiseko sokugcina esibandayo kunye nokusetyenziswa kwezantsi, ubunzima bokwakha bokufaka ucingo lokufudumeza abuncinci, kwaye izinga lokusilela liphezulu kakhulu kwixesha elizayo, ulawulo lokugcinwa lunzima, kwaye noqoqosho nalo luphantsi.
Kukho ezinye iindlela ezininzi zokunyibilikisa i-frost yokugcina ebandayo, ukongeza ekunyibilikiseni ngombane, ekunyibilikiseni amanzi nasekunyibilikiseni umoya oshushu, kukho ukunyibilikisa ngoomatshini, njl. Ukunyibilikisa ngoomatshini kusetyenziswa kakhulu izixhobo ukunyibilikisa ngesandla, umaleko we-frost kwi-coil yokugcina ebandayo. Xa kuyimfuneko ukususa, ekubeni i-cold storage yoyilo ingenaso isixhobo sokunyibilikisa ngokuzenzekelayo, kunokwenziwa ukunyibilikisa ngesandla kuphela, kodwa kukho iingxaki ezininzi.
Isixhobo sokunyibilikisa iFluoride eshushu (Esisetyenziswa ngesandla):Esi sixhobo sisixhobo esilula sokunyibilikisa iqhwa esakhiwe ngokwemigaqo yokunyibilikisa iqhwa eshushu. Ngoku sisetyenziswa kakhulu kwishishini lokufrijisa njengeshishini lomkhenkce kunye nokufrijisa. Akukho mfuneko yeevalvu ze-solenoid. I-Scope Inkqubo yokujikeleza ezimeleyo ye-compressor enye kunye ne-evaporator enye. Ayifanelekanga kwiiyunithi ze-cascade ezihambelanayo, ezinamanqanaba amaninzi.
Iingenelo:uqhagamshelo lulula, umsebenzi wokufakela ulula, umbane awufuneki, ukhuseleko alufuneki, indawo yokugcina ayifuneki, iimpahla azigcinwa, ubushushu bokugcina abukhenkcezwanga, kwaye uluhlu lwezinto lubanda kwaye lubanda. Ukusetyenziswa kweshishini lefriji kunye nefriji yi-20 square metres ukuya kwi-800 square metres, kwaye ityhubhu yokugcina ebandayo encinci nephakathi iyanyibilika. Isiphumo sezixhobo zoshishino zomkhenkce zidibene nemigca emibini ye-aluminium.
iimpawu ezilungileyo zesiphumo sokunyibilikisa
1.ulawulo lwesandla oluneqhosha elinye, olulula, oluthembekileyo, olukhuselekileyo, akukho kusilela kwezixhobo okubangelwa kukungasebenzi kakuhle.
2. Ukufudumeza ngaphakathi, indibaniselwano yomaleko weqhwa kunye nodonga lombhobho inokunyibilika, kwaye umthombo wobushushu usebenza kakuhle kakhulu.
3. Ukunyibilikisa kucocekile kwaye kucokisekile, ngaphezulu kwe-80% yomaleko weqhwa uqinile, kwaye isiphumo singcono nge-evaporator ye-aluminium discharge enee-fin ezimbini.
4. ngokwesazobe esifakwe ngqo kwiyunithi yokufunxa, uqhagamshelo olulula lwepayipi, akukho ezinye izixhobo ezikhethekileyo.
5. ngokwesilinganiselo sobukhulu bomaleko weqabaka, ngokuqhelekileyo kusetyenziswa imizuzu engama-30 ukuya kwengama-150.
6. Xa kuthelekiswa nekhrimu yokufudumeza yombane: ukhuseleko oluphezulu, impembelelo ephantsi embi kubushushu obubandayo, kunye nempembelelo encinci kwimpahla kunye nokupakishwa.
I-evaporator yenkqubo yokugcina ebandayo kufuneka inike ingqalelo ekugcinweni. Ukuba i-evaporator frosting iya kuchaphazela ukusetyenziswa okuqhelekileyo kwendawo yokugcina ebandayo, ungawunyibilikisa njani ngexesha? Iingcebiso zethu zokufaka indawo yokugcina ebandayo ebusuku kufuneka unikele ingqalelo kwiindawo ze-evaporator frosting ziya kukhokelela ekunyukeni kokumelana nobushushu, i-coefficient yokudlulisa ubushushu yehle. Kwi-chiller, indawo enqamlezileyo yokuhamba komoya iyancipha, ukumelana nokuhamba kuyanda, kwaye ukusetyenziswa kwamandla kuyanda. Ke ngoko, kufuneka inyibilikiswe ngexesha.
Iindlela zokugcina izinto ezibandayo ezikhoyo ngoku zezi zilandelayo:
1. Ukuqandisa ngesandla kulula kwaye akunampembelelo ingako kubushushu bokugcina, kodwa amandla okusebenza makhulu, ukunyibilikisa akuphelelanga, kwaye kukho imida.
2. Amanzi ayagutyulwa, aze amanzi eqabaka atshizwe kumphezulu we-evaporator ngesixhobo sokutshiza ukuze anyibilikise umaleko ophindwe kabini, aze akhutshwe ngumbhobho wokukhupha amanzi. Le nkqubo isebenza kakuhle kakhulu, inkqubo elula yokusebenza kunye nokuguquguquka okuncinci kobushushu bokugcina. Ngokwembono yamandla, amandla okupholisa ngemitha yesikwere nganye yendawo yokufuma angafikelela kwi-250-400kj. Ukugutyulwa kwamanzi kwenza kube lula ukugquma ingaphakathi lendlu yokugcina impahla, okubangela ukuvuza kwamanzi kuphahla olubandayo, okunciphisa ubomi benkonzo.
3. Ukunyibilikisa umoya oshushu, kusetyenziswa ubushushu obukhutshwa ngumphunga oshushu kakhulu okhutshwa kwicompressor ukunyibilikisa umaleko ophindwe kabini kumphezulu we-evaporator. Iimpawu zayo zisebenza kakhulu kwaye zifanelekile ekusetyenzisweni kwamandla. Kwinkqubo yokufriji ye-ammonia, ukunyibilikisa kunokukhawulezisa ioyile kwi-evaporator, kodwa ixesha lokunyibilikisa lide, nto leyo enefuthe elithile kubushushu bokugcina. Inkqubo yokufriji iyinkimbinkimbi.
4, ukufudumeza nokukhupha ubushushu ngombane, kusetyenziswa into yokufudumeza ukufudumeza indawo yokugcina ebandayo ukuze inyibilike. Inkqubo ilula, kulula ukuyisebenzisa, kulula ukuyenza ngokuzenzekelayo, kodwa isebenzisa amandla amaninzi.
Xa isicwangciso sokwenyani sigqityiwe, ngamanye amaxesha kusetyenziswa isicwangciso sokunyibilikisa, kwaye ngamanye amaxesha kuhlanganiswa iiskimu ezahlukeneyo. Njengombhobho weshelufu yokugcina izinto ezibandayo, udonga, umbhobho ogudileyo ophezulu, ungasebenzisa indibaniselwano yokwenziwa yendlela yegesi eshushu, ngokuqhelekileyo i-frosting ngesandla, i-hot air regular, ukuze uqonde kakuhle ukuba i-frosting eyenziweyo ayilula ukususa i-frosting kwaye ukhuphe ioyile kwipayipi. I-air blower ihlanjwa ngamanzi nomoya oshushu. Ukuze i-frosting ibe nkulu, i-frosting ephindaphindayo inokwenziwa ngomoya oshushu kunye ne-water defrosting. Xa inkqubo yefriji yendawo yokugcina izinto ezibandayo isebenza, ubushushu bomphezulu we-evaporator buhlala bungaphantsi kwe-zero. Ke ngoko, i-evaporator iphantsi kwe-frosting, kwaye umaleko we-frost unokumelana okukhulu nobushushu, ngoko ke unyango olufunekayo lwe-defrosting luyadingeka xa i-frost inzima.
I-evaporator yendawo yokugcina ebandayo yahlulwe ngohlobo lwe-wall-pipe kunye nohlobo lwe-fin ngokwesakhiwo sayo, uhlobo lwe-wall-displacement ludluliselo lobushushu lwe-convection yendalo, uhlobo lwe-fin lugqithiselo lobushushu lwe-convection olunyanzelekileyo, kwaye uhlobo lwetyhubhu yomqolo wodonga olunyibilikayo ludla ngokwenziwa ngesandla. Iqabaka, uhlobo lwe-fin olunekhrimu yokufudumeza yombane.
Ukunyibilikisa iqhwa ngesandla kuyingxaki ngakumbi. Kuyimfuneko ukunyibilikisa iqhwa ngesandla, ukucoca iqhwa, nokuhambisa umxholo wethala leencwadi. Ngokwesiqhelo, umsebenzisi kufuneka aye kwindawo yokunyibilikisa ixesha elide okanye iinyanga ezimbalwa. Xa inyibilikisa, umaleko weqhwa sele ujiyile. Ukumelana nobushushu komaleko kwenze ukuba i-evaporator ingakwazi ukufikelela kwifriji. Ukunyibilikisa iqhwa ngombane kungaphezulu kune-evaporator ngesandla, kodwa kulinganiselwe kwi-evaporators ezifakwe iifinned, ii-evaporators zodonga kunye neetyhubhu azinakusetyenziswa.
Uhlobo lokufudumeza ngombane kufuneka lufakwe kwityhubhu yokufudumeza ngombane kwi-evaporator yohlobo lwe-fin, kwaye ityhubhu yokufudumeza ngombane kufuneka ibekwe kwitreyi yokufumana amanzi. Ukuze kususwe iqabaka ngokukhawuleza, amandla etyhubhu yokufudumeza ngombane awanakunyulwa mancinci kakhulu, ngesiqhelo iza kuba zii-kilowatts ezimbalwa. Indlela yokulawula yokusebenza kwetyhubhu yokufudumeza ngombane ngokubanzi isebenzisa ulawulo lokufudumeza ngexesha. Xa kufudumeza, ityhubhu yokufudumeza ngombane idlulisela ubushushu kwi-evaporator, kwaye inxalenye yeqabaka kwi-coil yokufuma kwaye i-fin iyanyibilika, kwaye inxalenye yeqabaka ayinyibilikisi ngokupheleleyo itreyi yamanzi ewayo, kwaye ifudunyezwa kwaye inyibilikiswe yityhubhu yokufudumeza ngombane kwitreyi yokufumana amanzi. Oku kukuchithwa kombane, kwaye isiphumo sokupholisa sibi kakhulu. Ngenxa yokuba i-evaporator igcwele iqabaka, i-coefficient yokutshintshiselana ngobushushu iphantsi kakhulu.
Indlela engaqhelekanga yokunyibilikisa iqhwa kwindawo yokugcina ubushushu
1. Ukuze kuncitshiswe igesi eshushu kwiinkqubo ezincinci, inkqubo kunye nendlela yokulawula ilula, isantya sokuncitshiswa siyakhawuleza, siyafana kwaye sikhuselekile, kwaye uluhlu lwesicelo kufuneka lwandiswe ngakumbi.
2. Ukunyibilikisa umoya kulungele ngokukodwa iinkqubo zokukhenkceza ezifuna ukunyibilikisa rhoqo. Nangona kuyimfuneko ukongeza izixhobo ezikhethekileyo zomoya kunye nezokucoca umoya, lo gama nje izinga lokusetyenziswa liphezulu, uqoqosho luya kuba luhle kakhulu.
3. Ukunyibilikisa i-ultrasonic yindlela ecacileyo yokonga amandla. Uyilo lweejenereyitha ze-ultrasonic kufuneka lufundwe ngakumbi ukuphucula ubunzulu bokunyibilikisa kwizicelo zobunjineli.
4, ukunyibilikisa i-liquid refrigerant, inkqubo yokupholisa kunye nenkqubo yokunyibilikisa ngaxeshanye, akukho kusetyenziswa kwamandla okongezelelweyo ngexesha lokunyibilikisa, ukuphola kweqabaka kusetyenziselwa i-liquid refrigerant ngaphambi kwe-supercooling expansion valve, ukuphucula ukusebenza kakuhle kokuphola ukuze ubushushu bethala leencwadi bugcinwe ngokusisiseko. Ubushushu be-liquid refrigerant bungaphakathi komgangatho wobushushu oqhelekileyo, kwaye ukunyuka kobushushu be-evaporator ngexesha lokunyibilikisa kuncinci, okunefuthe elincinci ekuwohlokeni kokudluliselwa kobushushu be-evaporator. Ingxaki kukuba ulawulo oluntsonkothileyo lwenkqubo lunzima.
Ngexesha lokunyibilikisa, ngokuqhelekileyo kwenzeka nokuba ubushushu bunjani na. Ixesha lokunyibilikisa liphelile, uze emva koko ubushushu buqale kwakhona, ifeni iqalise kwakhona. Ixesha lakho lokunyibilikisa akufuneki libekwe ixesha elide kakhulu, kwaye ukhilimu wokufudumeza wombane akufuneki udlule imizuzu engama-25. Zama ukufikelela ekunyibilikiseni okufanelekileyo. (Umjikelo wokunyibilikisa ngokubanzi usekelwe kwixesha lokudlulisa amandla okanye ixesha lokuqalisa kwecompressor.) Olunye ulawulo lobushushu lwe-elektroniki lukwaxhasa ubushushu bokuphela kokunyibilikisa. Luphelisa ukunyibilikisa ngeendlela ezimbini, enye lixesha kwaye ezimbini yi-kuwen. Oku kudla ngokusebenzisa ii-probes zobushushu ezi-2.
Ekusetyenzisweni kwemihla ngemihla kwendawo yokugcina ebandayo, kuyimfuneko ukususa iqabaka rhoqo kwindawo yokugcina ebandayo. Iqabaka eligqithisileyo kwindawo yokugcina ebandayo alilungele ukusetyenziswa kwesiqhelo kwendawo yokugcina ebandayo. Kwiphepha, iinkcukacha zeqabaka kwindawo yokugcina ebandayo kufuneka zithathwe. Indlela yokuyisusa? Ziziphi iindlela eziqhelekileyo?
1. Jonga i-refrigerant kwaye ujonge ukuba akukho bhamuza kwiglasi ebonakalayo na. Ukuba kukho ibhamuza ebonisa ukuba ayanele, yongeza i-refrigerant evela kumbhobho woxinzelelo oluphantsi.
2. Jonga ukuba kukho umsantsa kwipleyiti yokugcina izinto ezibandayo kufutshane nombhobho wokukhupha umoya obandayo, nto leyo ebangela ukuvuza komkhuhlane. Ukuba kukho umsantsa, wuvale ngqo ngeglu yeglasi okanye nge-ejenti yokwenza amagwebu.
3. Jonga umbhobho wobhedu ukuba awuvuzi na, ufumanise ukuvuza kwesitshizi okanye amanzi anesepha ukujonga ukuba akukho maqamza omoya na.
4. unobangela wecompressor ngokwayo, umzekelo, igesi enoxinzelelo oluphezulu noluphantsi, kufuneka itshintshe ivalvu, ithunyelwe kwivenkile yokulungisa icompressor ukuze ilungiswe.
5. ukuze ubone ukuba ikufutshane na nokubuyela kwindawo yokutsala, ukuba injalo, uze ufumanise ukuvuza, yongeza i-refrigerant. Kwimeko enjalo, umbhobho awubekwa ngokuthe tye. Kucetyiswa ukuba ulingane ngenqanaba. Emva koko akukho tshaja yaneleyo ye-refrigerant, kusenokwenzeka ukuba i-refrigerant yongeziwe, okanye kukho i-ice block kumbhobho.
Ixesha leposi: Sep-26-2024