isivikelo sesixwayiso
Izinto zokuzivikela zomuntu siqu ezifana namagilavu, izibuko, nezicathulo kufanele zinikezwe uma usebenzisa le mishini.
Ukufakwa, ukugunyazwa, ukuhlolwa, ukuvalwa kanye nezinsizakalo zokulungisa kufanele kwenziwe ngabasebenzi abafanelekayo (abakhandi befriji noma ochwepheshe bakagesi) abanolwazi nolwazi olwanele lwalolu hlobo lwemishini. Kungumthwalo wemfanelo wekhasimende ukuhlinzeka ngabasebenzi bokusebenza ukuze benze umsebenzi.
Yonke imishini ingashajwa ngomoya owomile ocindezelwe kakhulu noma i-nitrogen. Qiniseka ukuthi ukhipha igesi ecindezelwe ngokucophelela ngaphambi kokufaka noma ukusebenzisa imishini.
Gwema ukuthinta imiphetho yensimbi kanye namaphiko ekhoyili, njengoba imiphetho ebukhali ingabangela ukulimala komuntu.
Ukuphefumula noma ukuthintana kwesikhumba nesiqandisi kungabangela ukulimala, isiqandisi esisetshenziswa kule mishini siyinto elawulwayo futhi kumele sisetshenziswe futhi siphinde sisetshenziswe ngendlela efanele. Akukho emthethweni ukukhipha isiqandisi endaweni ezungezile. Phatha isiqandisi ngokucophelela, kungenjalo, kungase kube nokulimala komuntu siqu noma ukufa.
Ugesi kumele unqanyulwe ngaphambi kokuba kwenziwe noma yimuphi umsebenzi kagesi noma wesevisi.
Gwema ukuthintana namapayipi esiqandisi kanye nezindawo zokushintshanisa ukushisa lapho imishini isebenza. Izindawo ezishisayo noma ezibandayo zingabangela umonakalo esikhumbeni sakho.
Izimo Zokuklama Ezijwayelekile
I-evaporator yokushisa okuphakathi yenzelwe izinga lokushisa eligcwele elingu-0°C kanye nomehluko wokushisa ongu-8K. Ifanelekela iziqandisi zebhizinisi ezinezinga lokushisa legumbi elisukela ku-6°C kuya ku-20°C. Izindlela ezengeziwe zokuncibilikisa ziyadingeka uma izinga lokushisa legumbi lingaphansi kuka-2°C. Iziqandisi ezinconywayo zalesi siqandisi yi-R507/R404A kanye ne-R22.
I-evaporator yokushisa okuphansi yakhelwe izinga lokushisa eligcwele lokumunca elingu--25°C kanye nomehluko wokushisa ongu-7K. Ifanelekela indawo yokugcina ebanda yezentengiselwano enezinga lokushisa legumbi elisukela ku--6°C kuya ku--32°C. Iziqandisi ezinconywayo zale evaporator yi-R507/R404A kanye ne-R22.
Lawa ma-evaporator ajwayelekile awakwazi ukusebenzisa i-ammonia (NH3) njengesiqandisi.
Indawo yokufaka enconyiwe
Imithetho yokulungiselela i-evaporator imi kanje:
Ukusatshalaliswa komoya kufanele kumboze lonke igumbi noma indawo ephumelelayo.
Akuvunyelwe ukufaka i-evaporator phezulu komnyango.
Ukuhlelwa kwezindawo zokungena kanye namashalofu akufanele kuvimbele ukuhamba komoya ophakelayo kanye nomoya obuyayo we-evaporator.
Ibanga lokufaka amapayipi ukusuka ku-evaporator kuya ku-compressor kufanele ligcinwe lifushane ngangokunokwenzeka.
Gcina ibanga lepayipi ukuya emseleni lifushane ngangokunokwenzeka.
Imvume encane evumelekile yokufaka:
S1 – Ibanga eliphakathi kodonga nohlangothi lomoya lwekhoyili okungenani lingu-500mm.
S2 – Ukuze kube lula ukulungisa, ibanga elisuka odongeni liye epuletini lokugcina kufanele okungenani libe ngu-400mm.
Amanothi Okufaka
1. Ukususwa kwephakheji:
Uma uvula izimpahla, hlola imishini nezinto zokupakisha ukuze ubone ukuthi azinawo umonakalo, noma yimuphi umonakalo ungathinta ukusebenza. Uma kunezingxenye ezisobala ezonakele, sicela uxhumane nomhlinzeki ngesikhathi.
2. Ukufakwa kwemishini:
Lawa ma-evaporator angaboshwa ngamabholidi namantongomane. Ngokuvamile, ibholidi elilodwa elingu-5/16 namantongomane lingabamba kufikela ku-110Kg (250lb) kanti i-3/8 lingabamba kufikela ku-270Kg (600lb). Nokho, kungumthwalo womfaki ukuqinisekisa ukuthi i-evaporator ifakwe ngokuphephile nangobungcweti endaweni ekhethiwe.
Bopha i-evaporator bese ushiya isikhala esanele kusukela epuletini eliphezulu kuya ophahleni ukuze kube lula ukuyihlanza.
Faka i-evaporator ngendlela efanele ophahleni, bese uvala isikhala esiphakathi kophahla kanye nengxenye ephezulu ye-evaporator ngesivalo sokudla.
Ukufakwa kwe-evaporator kufanele kube ngokobungcweti futhi indawo kufanele ibe efanele ukuqinisekisa ukuthi amanzi ahlanganisiwe angakhishwa ngempumelelo ku-evaporator. Ukusekelwa kumele kube namandla anele okuthwala isisindo se-evaporator uqobo, isisindo se-refrigerant eshajelwe kanye nesisindo seqhwa elibekwe phezu kwekhoyili. Uma kungenzeka, kunconywa ukusebenzisa idivayisi yokuphakamisa ukuphakamisa uphahla.
3. Ipayipi lokukhipha amanzi:
Sicela uqinisekise ukuthi ukufakwa kwepayipi lokukhipha amanzi kuhambisana ne-HACCP yokudla kanye nemithethonqubo yokuphepha ehambisanayo. Izinto zingaba ipayipi yethusi, ipayipi lensimbi engagqwali noma ipayipi le-PVC, ngokusho kwekhasimende. Ukuze kusetshenziswe amazinga okushisa aphansi, kudingeka izintambo zokushisa nokushisa ukuze kuvinjelwe ipayipi lokukhipha amanzi ukuba liqande. Kunconywa ukufaka amapayipi okukhipha amanzi ngendlela efanele njalo ngemitha eli-1 yokwehla okungu-300mm. Ipayipi lokukhipha amanzi okungenani lilingana nokuxhumeka kwepani ye-evaporator sump. Wonke amapayipi okukhipha amanzi abandayo kumele afakwe ngama-bend anomumo we-U ukuvimbela umoya wangaphandle kanye nephunga ukuthi lingangeni endaweni yokugcina amanzi ebandayo. Akuvunyelwe ngokuphelele ukuxhumana ngqo nohlelo lwendle. Wonke ama-U-bend abekwa ngaphandle ukuvimbela i-ayisikhilimu. Kunconywa ukuthi ubude bepayipi lokukhipha amanzi endaweni yokugcina amanzi ebanda bube bufushane ngangokunokwenzeka.
4. Isihlukanisi sesiqandisi kanye nomlomo:
Ukuze kuqinisekiswe umphumela omuhle kakhulu wokupholisa we-evaporator, isihlukanisi soketshezi kumele sifakwe siqonde phezulu ukuqinisekisa ukuthi isiqandisi sisatshalaliswa ngokulinganayo kwisekethe ngayinye yesiqandisi.
5. I-valve yokwandisa ukushisa, iphakheji yokuzwa izinga lokushisa kanye nepayipi lebhalansi yangaphandle:
Ukuze kufezwe umphumela omuhle kakhulu wokupholisa, i-valve yokwandisa ukushisa kufanele ifakwe eduze kakhulu ne-separator yoketshezi ngangokunokwenzeka.
Beka i-bulb ye-valve yokwandisa ukushisa endaweni evundlile yepayipi lokudonsa futhi eduze nekhanda lokudonsa. Ukuze kufezwe isimo sokusebenza esanelisayo, kubalulekile ukuqinisekisa ukuthintana okuhle kokushisa phakathi kwe-bulb nepayipi lokudonsa. Ukubekwa kwe-valve yokwandisa ukushisa kanye ne-bulb yokushisa kufanele kulandele imiyalelo yomenzi. Ukufakwa okungalungile kungabangela ukupholisa okubi.
Ipayipi lebhalansi yangaphandle lisetshenziselwa ukuxhuma imbobo yebhalansi yangaphandle yevalvu yokwandisa ukushisa kanye nepayipi lokumunca eduze kwepayipi lokumunca. Ipayipi lethusi elingu-1/4 intshi elixhuma kwipayipi lokumunca libizwa ngokuthi ipayipi lebhalansi yangaphandle.
Qaphela: Njengamanje, ikhwalithi yevalvu yokwandisa ukushisa ilungile, kunokuvuza okuncane kwe-refrigerant epayipini lebhalansi yangaphandle, futhi ukusebenza kuzinzile. Ngakho-ke, indawo yokuxhuma yebhalansi yangaphandle ingaba phambi kwenzwa yokushisa noma ngemuva kwenzwa yokushisa.
6. Ipayipi lefriji:
Ukuklama nokufakwa kwamapayipi okupholisa kumele kwenziwe ngabachwepheshe bemishini yokupholisa abaqeqeshiwe ngokuhambisana nemithetho kazwelonke neyendawo, kanye nemikhuba emihle yokusebenza kobunjiniyela bokupholisa.
Ngesikhathi sokufakwa, nciphisa isikhathi lapho umlomo ubonakala khona emoyeni ukuze uvimbele ukungena kokungcola kwangaphandle kanye nomswakama.
Ipayipi lokuxhumanisa eliqandisiwe akudingeki lifane nepayipi lokukhipha le-evaporator. Ukukhethwa nokubalwa kosayizi wepayipi kufanele kusekelwe esimisweni sokwehla okuncane kwengcindezi kanye nokunciphisa ijubane lokugeleza.
Ipayipi lokufutha elivundlile kudingeka lishiye i-evaporator inombono othile ukuqinisekisa ukuthi amandla adonsela phansi ama-oyela aqandisiwe abuyela ku-compressor. Ukuthambekela okungu-1:100 kwanele. Uma ipayipi lokufutha liphakeme kune-evaporator, kungcono ukufaka i-oyela return trap.
Umhlahlandlela wokulungisa amaphutha
Ukuqaliswa nokuqaliswa kohlelo lokuqandisa kufanele kwenziwe ngumekheniki ofanelekayo wokuqandisa ngokuhambisana nomkhuba ofanele wokusebenza kokuqandisa.
Uhlelo kumele lugcine i-vacuum eyanele ukuze kungabikho ukuvuza lapho kushajwa i-refrigerant. Uma kukhona ukuvuza ohlelweni, kuzwakala sengathi ukushaja kabusha i-refrigerant akuvunyelwe. Uma uhlelo lungekho ngaphansi kwe-vacuum, hlola ukuvuza okune-nitrogen ngaphansi kwengcindezi ngaphambi kokushaja i-refrigerant.
Kuyindlela enhle yobunjiniyela yokufaka i-liquid dryer kanye ne-sight glass ohlelweni lwesiqandisi. Ama-liquid line dryer aqinisekisa ukuthi i-refrigerant ohlelweni ihlanzekile futhi yomile. Ingilazi yokubona isetshenziselwa ukuhlola ukuthi kune-refrigerant eyanele ohlelweni.
Ukushaja kwenziwa ngesiqandisi esiwuketshezi, ngokuvamile ohlangothini olunomfutho ophezulu wesistimu, njenge-condenser noma i-accumulator. Uma ukushaja kumele kwenziwe ohlangothini lokumunca lwe-compressor, kumele kushajwe ngesimo segesi.
Izintambo zasefektri zingase zikhululeke ngenxa yokuthutha, sicela uqinisekise kabusha izintambo ngaphambi kokushiya ifektri kanye nezintambo ezisendaweni. Hlola ukuthi injini yefeni isebenza ngendlela efanele nokuthi umoya udonswa kusuka kukhoyili bese ukhishwa ohlangothini lwefeni.
Umhlahlandlela Wokuvala
Susa i-evaporator endaweni yayo yokuqala yokufaka futhi kumele ihlakazwe ngumekhenikha ofanelekayo wokuqandisa ngemuva kwenqubo engezansi. Ukwehluleka ukulandela le nqubo kuzoholela ekulimaleni komqhubi noma ekufeni kanye nomonakalo wempahla ngenxa yomlilo noma ukuqhuma. Akukho emthethweni ukukhipha i-refrigerant ngqo emoyeni. I-refrigerant egcwele kufanele ipompelwe ku-accumulator noma ethangini lokugcina uketshezi elifanele, njengesilinda sokuphinda usebenzise, futhi i-valve efanele kufanele ivalwe ngesikhathi esifanayo. Zonke iziqandisi ezitholiwe ezingenakuphinde zisetshenziswe kumele zithunyelwe ezindaweni ezifanele zokuphinda zisetshenziswe noma zokubhujiswa kwe-refrigerant.
Nquma ugesi. Susa zonke izintambo zikagesi ezingadingekile, izingxenye zikagesi ezihambisanayo, bese ekugcineni usika ucingo oluphansi bese unqamula ipayipi lokudonsa amanzi.
Ukuze kulinganiswe ingcindezi phakathi kwe-evaporator nomhlaba wangaphandle, kufanele kuqashelwe ngokukhethekile lapho kuvulwa umongo we-valve yenaliti. Inani elithile le-refrigerant liyancibilika ku-oyili wokugcoba. Lapho ingcindezi ye-evaporator ikhuphuka, i-refrigerant izobila futhi iguge, okungase kubangele ukulimala komuntu.
Sika bese uvala amalunga oketshezi kanye nemigqa yegesi.
Susa i-evaporator endaweni yokufaka. Uma kudingeka, sebenzisa imishini yokuphakamisa.
ukulungiswa okuvamile
Ngokusekelwe ezimweni zokusebenza ezijwayelekile kanye nendawo, ngemva kokuqedwa ngempumelelo, kufanele kulungiswe uhlelo lokulungisa ukuqinisekisa ukuthi i-evaporator isebenza kahle kakhulu ngenkathi igcina izindleko zokusebenza ziphansi. Lapho wenza ukulungiswa, hlola futhi urekhode lezi zinhlaka ezilandelayo:
Hlola i-evaporator ukuthi ayigqwali yini, ayidlidlizi ngendlela engavamile, ama-plug kawoyela kanye nama-drain angcolile. Ama-drain adinga ukuhlanzwa njalo ngamanzi afudumele anensipho.
Hlanza amaphiko e-evaporator ngebhulashi elithambile, hlanza ama-coil ngamanzi alula anomfutho ophansi noma usebenzise i-coil washer etholakala ezitolo. Ukusetshenziswa kwezinto zokuhlanza ezine-acidic akuvunyelwe. Sicela ulandele imihlahlandlela yokusebenzisa ilogo. Hlanza i-coil kuze kube yilapho kungekho nsalela.
Hlola ukuthi ifeni ngayinye yemoto ijikeleza kahle, ukuthi isembozo sefeni asivaliwe, nokuthi amabhawodi aqinisiwe.
Hlola izintambo, izixhumi, nezinye izingxenye ukuthi azinawo yini umonakalo wezintambo, izintambo ezikhululekile, kanye nokuguguleka kwezingxenye.
Hlola ukwakheka kweqhwa okufanayo kwikhoyili eseceleni lokukhipha umoya ngesikhathi sokusebenza. Ibhokisi elingalingani libonisa ukuvaleka ekhanda lokukhipha noma ukushaja okungalungile kwesiqandisi. Kungase kungabikho qhwa kwikhoyili endaweni yokumunca ngenxa yegesi eshisa kakhulu.
Bheka izimo zeqhwa ezingavamile bese ulungisa umjikelezo wokuncibilika ngokufanele.
Hlola ukushisa okukhulu bese ulungisa i-valve yokwandisa ukushisa ngokufanele.
Ugesi kumele ucinywe ngesikhathi sokuhlanza nokulungisa. Amapani okukhipha amanzi nawo ayizingxenye ezidinga ukulungiswa (izingxenye ezishisayo, ezibandayo, zikagesi nezinyakazayo). Kukhona ingozi yokuphepha ekusebenzeni kwe-evaporator ngaphandle kwe-water sump.
Isikhathi sokuthunyelwe: Novemba-23-2022
