KwaJingwei Electric Heating, besilokhu sikhiqiza ama-heater ancibilikisayo ama-freezer ebhizinisi iminyaka engaphezu kwengu-15, futhi sibone iphethini efanayo kuma-oda ethu amakhasimende aseMpumalanga Ephakathi: izibalo ezijwayelekile zamandla e-heater ancibilikisayo, ezenzelwe izimo zezulu ezifudumele, ezihlala zingasebenzi kahle lapho amazinga okushisa afinyelela ku-50°C. Ngolwazi lwethu lokusebenza nabakhi be-HVAC eDubai, eRiyadh, naseDoha, sithole ukuthi amafomula ajwayelekile osayizi we-heater ancibilikisayo - athatha umehluko wokushisa ophakathi kuka-10-15°C phakathi kwengaphakathi le-freezer nendawo ezungezile - ayaphuka ngokuphelele lapho izinga lokushisa eliphakathi lingu-50°C kanti ingaphakathi le-freezer liku--20°C. Umehluko wokushisa ungo-70°C kunokuba ube ngu-30-40°C njengoba amafomula ajwayelekile enzelwe wona.

Kulesi sihloko, sizokwabelana ngedatha yethu yokuhlola evela elabhorethri yethu eShengzhou, lapho silingise khona izimo zasehlane laseMpumalanga Ephakathi ku-50°C ngomswakama ongu-0% futhi silinganise ukusebenza kwangempela kwesifudumezi sokuncibilikisa okudingekayo ukuze kulondolozwe imijikelezo yokuncibilikisa ethembekile ekusetshenzisweni kwefriji yezentengiselwano. Zonke izincomo esizenzayo zisekelwe kudatha elinganisiwe evela ekamelweni lethu lokuhlola, hhayi ekubalweni okungokwemfundiso.

Kungani Amafomula E-Standard Defrost Heater Ehluleka Uma I-Ambient Ifinyelela ku-50°C

Ekuhlolweni kwethu esikhungweni sethu, sithole isizathu esiyisisekelo sokuthi kungani amafomula e-defrost heater ejwayelekile ehluleka kuma-50°C ambient: izinga lokudlulisa ukushisa lisuka endaweni ezungezile liye kwikhabhinethi yefriji likhuphuka kakhulu ngomehluko wokushisa. Kuma-25°C ambient nengaphakathi lefriji elingu-20°C — umehluko ongu-45°C — umthwalo wokushisa ophelele kukhoyili ye-evaporator cishe u-65-75% womthamo olinganiselwe we-compressor. Kuma-50°C ambient nengaphakathi lefriji elingu-20°C elifanayo — umehluko ongu-70°C — umthwalo wokushisa ophelele uyanda ufike cishe ku-85-95% womthamo olinganiselwe we-compressor. Lokhu kusho ukuthi ikhoyili ye-evaporator iqoqa iqhwa cishe ngo-25-30% ngokushesha kuma-50°C ambient kunakuma-25°C ambient, ngokusekelwe ezilinganisweni zethu.

Kusukela kudatha yethu yokuhlola, sibale ukuthi i-heater ejwayelekile yokuncibilikisa iqhwa engu-500-watt elingana nokufakwa kwe-ambient engu-25°C izodinga cishe imizuzu engu-45 ukuqeda umjikelezo wokuncibilikisa ku-ambient engu-50°C, uma kuqhathaniswa nemizuzu engu-28 ku-25°C. Lo mjikelezo wokuncibilikisa iqhwa omude ongu-60% emazingeni okushisa aphezulu azungezile uholela ezinkingeni ezimbili: izinga lokushisa langaphakathi lefriji likhuphuka ngo-8-12°C ngesikhathi somjikelezo wokuncibilikisa owengeziwe ngokusekelwe ezilinganisweni zethu, okungabeka engcupheni ukuphepha kokudla kwezicelo zokugcina ukudla okuqandisiwe, kanye nesikhathi sokuncibilikisa esengeziwe sinciphisa isikhathi sokupholisa esisebenzayo esitholakalayo ngehora, okungabangela ukuthi ifriji yehluleke ukugcina izinga lokushisa layo elibekiwe ngesikhathi sokushisa okuphezulu ehlobo laseMpumalanga Ephakathi.

Isincomo sethu esisekelwe kulolu lwazi ukwandisa amandla okushisa ancibilikisayo ngo-25-30% kumafriji asebenza ezimweni ezifudumele ezingama-50°C. Ukuze uthole ikhoyili ejwayelekile ye-evaporator yama-watt angu-500, sincoma i-heater encibilikisayo engama-watt angu-650. Sivivinye lokhu kulungiselelwa elabhorethri yethu futhi saqinisekisa ukuthi isikhathi somjikelezo wokuncibilikisa sibuyela emaminithini angu-28-30 kuma-ambient angama-50°C kanye namandla akhuphukile.

Idatha Yethu Yokuhlola Ukuphakama Kwezinga Lokushisa: Isikhathi Sokuncibilika Kweqhwa ku-45°C vs. 25°C Ambient

Elabhorethri yethu esikhungweni sethu saseShengzhou, senze ukuhlolwa kokuphakama kwezinga lokushisa okulawulwayo ukuze silinganise isikhathi sokuncibilika kwesithwathwa emazingeni okushisa ahlukene. Sibeke ungqimba lwesithwathwa olujwayelekile oluyi-3mm — olumelela amahora angu-8 okusebenza okujwayelekile kwefriji ku-50°C ambient — kukhoyili yokuhlolwa kwe-evaporator efakwe i-heater yethu ejwayelekile ye-aluminium foil defrost. Sabe sesilinganisa isikhathi esidingekayo ukuze sincibilikise ngokuphelele ungqimba lwesithwathwa emazingeni okushisa aphakathi angu-25°C, 35°C, 45°C, kanye no-50°C.

Imiphumela yethu yokuhlola ikhombisa ukuthambekela okucacile. Ku-25°C ezungezile, ungqimba lwesithwathwa lwancibilika ngokuphelele ngemizuzu eyi-18. Ku-35°C ezungezile, isikhathi sokuncibilika sanda saya kumaminithi angama-22. Ku-45°C ezungezile, isikhathi sokuncibilika sanda saya kumaminithi angama-29. Ku-50°C ezungezile, silinganise isikhathi sokuncibilika semizuzu engama-34 - cishe kabili isikhathi esidingekayo ku-25°C ezungezile. Kusukela ekuhlaziyeni kwethu, isizathu esiyinhloko sesikhathi sokuncibilika eside emazingeni okushisa aphezulu ezungezile ukuthambekela kokushisa okuncishisiwe phakathi kobuso besifudumezi esincibilikayo kanye nongqimba lwesithwathwa. Ubuso besifudumezi esincibilikayo bufinyelela izinga lokushisa laso eliphakeme kancane ku-50°C ezungezile ngoba umoya ozungezile ufudumeza ikhoyili ye-evaporator ngaphambi kokuba umjikelezo wokuncibilika uqale, okunciphisa ukushaqeka kokuqala kokushisa okusheshisa ukuncibilika kwesithwathwa ezindaweni zesimo sezulu esifudumele.

Siphinde salinganisa ukusetshenziswa kwamandla ngomjikelezo ngamunye wokuncibilikisa futhi sathola ukuthi amandla aphelele adingekayo ukuncibilikisa ungqimba lwesithwathwa anda cishe ngo-35% endaweni engama-50°C uma kuqhathaniswa nendawo engama-25°C — kusukela kuma-watt-hours angu-142 kuya kuma-watt-hours angu-192 ngomjikelezo. Lokhu kusetshenziswa kwamandla okwengeziwe kumele kufakwe ekubalweni komthwalo wokushisa ophelele wefriji wokufakwa kweMpumalanga Ephakathi, ngoba ukushisa okwengeziwe okuvela emjikelezweni wokuncibilikisa owengeziwe kumele kususwe yi-compressor ngesikhathi somjikelezo wokupholisa olandelayo.

Indlela Esithole Ngayo Ifomula Yobuningi Bama-Watt Elungisiwe Yama-Freezer Esimo Sezulu Sasehlane

Ngokusekelwe kudatha yethu yokuhlola evela emijikelezweni engaphezu kuka-200 yokuncibilikisa emazingeni okushisa ahlukahlukene, sithuthukise ifomula yobuningi be-watt elungisiwe yama-heater ancibilikisayo asetshenziswa ezisetshenzisweni zefriji zasehlane. Ifomula ejwayelekile esetshenziswa abakhiqizi abaningi be-heater encibilikisayo isekelwe kubuningi be-watt obungu-4-6 W/in² bendawo yobuso be-heater, okuthatha izinga lokushisa eliphezulu le-ambient elingu-32°C.

Kusukela ekuhlolweni kwethu, sithole ukuthi amafriji asehlane asebenza emazingeni okushisa angaphezu kuka-45°C adinga ubuningi bama-watt obungu-6.5-8.5 W/in² wendawo yobuso be-heater ukuze alondoloze izikhathi zomjikelezo wokuncibilika ngaphansi kwemizuzu engama-35. Lokhu kulungiswa kwandisa izinga lokushisa lobuso be-heater cishe ngo-15-20°C ngesikhathi sokusebenza, okudinga ukukhethwa ngokucophelela kwezinto zokwakha ukuze kuvinjelwe ukulimala ngokweqile kwamafin e-evaporator coil.

Ifomula yethu enconyiwe yokukhetha amandla okushisa ancibilikisa iqhwa ehlane ithi: amandla adingekayo = amandla ajwayelekile × (1 + 0.012 × (T_ambient – ​​32)), lapho i-T_ambient kuyizinga lokushisa eliphezulu elilindelekile kuma-degree Celsius. Ekusetshenzisweni kwe-ambient okungu-50°C, i-multiplier ingu-1.216, okusho ukuthi i-heater ejwayelekile engu-500-watt kufanele ithathelwe indawo nge-heater engu-610-watt. Ekuhlolweni kwethu, le fomula ikhiqize izikhathi zomjikelezo wokuncibilikisa ngaphakathi kwebanga lemizuzu engu-28-35 kumazinga okushisa aphakathi kusuka ku-45°C kuya ku-55°C.

Ukukhethwa Kwezinto Zesigxobo: I-Incoloy 800 vs. Insimbi Engagqwali 304 yomoya ongu-50°C one-Salt-Laden Air

Ngokwesipiliyoni sethu nabakhi be-HVAC baseMpumalanga Ephakathi, izinto ezifakwayo zesifudumezi esincibilikisayo zivame ukunganakwa ngesikhathi sokucaciswa, kodwa kubalulekile ekuthembekeni kwesikhathi eside ezindaweni ezisogwini olugwadule. E-Dubai nase-Doha, ukuhlanganiswa kwamazinga okushisa angama-50°C nomoya ogcwele usawoti ovela e-Persian Gulf kudala indawo yokugqwala engabhubhisa isigxobo sensimbi engagqwali esijwayelekile esingu-304 zingakapheli izinyanga ezingu-6-12 zokusebenza.

Kusukela ekuhlolweni kwethu kokugqwala okusheshayo esikhungweni sethu, sithole ukuthi i-Incoloy 800 — i-alloy ye-nickel-iron-chromium — inikeza impilo yesevisi ende cishe izikhathi ezi-3-4 kunensimbi engagqwali engu-304 ezimweni zenkungu kasawoti ehlanganiswe namazinga okushisa angama-50°C. Idatha yethu yokuhlola ikhombisa ukuthi ama-sheath e-Incoloy 800 agcina ubuqotho bawo besakhiwo isikhathi esingaphezu kwamahora angu-3,000 okuvezwa okuqhubekayo kwenkungu kasawoti ku-50°C, kuyilapho ama-sheath ensimbi engagqwali engu-304 eqala ukubonisa ukugqwala okunezimbobo ngemva kwamahora angaba ngu-800 ngaphansi kwezimo ezifanayo. Sincoma i-Incoloy 800 njengezinto ezijwayelekile ze-sheath zama-heater ancibilikisayo ahloselwe ukufakwa ogwini lwaseMpumalanga Ephakathi.

Intengo ephezulu ye-Incoloy 800 cishe ingu-35-45% kunensimbi engagqwali engu-304, kodwa kusukela ekuhlaziyweni kwethu kwedatha yokubuyiselwa kwewaranti evela kumakhasimende ethu aseMpumalanga Ephakathi, izindleko eziphelele zobunikazi esikhathini seminyaka emi-5 ziphansi ngo-20-30% ku-Incoloy 800 ngenxa yokuncipha kwemvamisa yokushintsha.

Izinto Esizicabangela Ngokuhlinzekwa Kwamandla: 380V vs. 220V Ekufakweni Kwefriji Yezentengiselwano Ephakathi EMpumalanga

Ngokwesipiliyoni sethu sokuthumela ama-heater ancibilikisayo kumakhasimende aseMpumalanga Ephakathi, sithole ukuthi ukukhetha i-voltage yokunikezwa kwamandla kuyisici esibalulekile esithinta ukusebenza kwe-heater encibilikisayo emazingeni okushisa aphezulu. Ukufakwa kwamafriji ezentengiselwano aseMpumalanga Ephakathi kusebenzisa izinsiza zamandla zesigaba esisodwa ezingama-380V noma ezingama-220V, kuye ngobukhulu besikhungo kanye namakhodi kagesi endawo.

Kusukela ekuhlolweni kwethu, i-heater yokuncibilikisa iqhwa engu-380V enezigaba ezintathu inikeza cishe ubuningi be-watt obuphezulu obungu-8-10% ngesilinganiso esifanayo samandla uma kuqhathaniswa ne-heater yesigaba esisodwa engu-220V, ngoba ukunikezwa kwamandla kwezigaba ezintathu kunikeza ukulawulwa kwamandla kagesi okuzinzile ngaphansi komthwalo. Ngokwalokho esikubonile, lokhu kuqina kwe-watt okwengeziwe kuyazuzisa kuma-freezer asehlane-isimo sezulu ngoba kusiza ukugcina izikhathi zomjikelezo wokuncibilikisa ezimfushane ezidingekayo ezimweni ze-50°C. Sincoma ukuthi osonkontileka be-HVAC baseMpumalanga Ephakathi bachaze ama-heater okuncibilikisa iqhwa angu-380V anezigaba ezintathu kuzo zonke izindawo zokufaka ama-freezer ezentengiselwano lapho ukunikezwa kwamandla kutholakala khona.

Ukulungiswa Kwesikhathi Somjikelezo We-Defrost Esikuncomayo Ekufakweni Kwehlane

Kusukela kudatha yethu yasensimini eqoqwe ekufakweni kweMpumalanga Ephakathi, sithuthukise isincomo sokulungiswa kwesibali sikhathi somjikelezo wokuncibilikisa amafriji asehlane nesimo sezulu. Ama-timer ajwayelekile okuncibilikisa ngokuvamile abekwa imijikelezo yokuncibilikisa engu-3-4 ngosuku, kanti umjikelezo ngamunye uhlala imizuzu engu-20-30. Ngokwesipiliyoni sethu, lokhu kulungiselelwa akwanele ekufakweni kwesimo sezulu sasehlane lapho izinga lokuqongelela kweqhwa liphezulu.

Sincoma ukwandisa imvamisa yokuncibilikisa ibe yimijikelezo emi-5-6 ngosuku yamafriji asebenza emazingeni okushisa angaphezu kuka-45°C, umjikelezo ngamunye usethelwe ukuphela ngokushisa kunesikhathi. Imijikelezo yokuncibilikisa eqediwe izinga lokushisa — lapho i-heater icima khona lapho ikhoyili ye-evaporator ifinyelela izinga lokushisa elibekiwe elingu-15-20°C — isebenza kahle kakhulu kunemijikelezo eqediwe isikhathi ngoba ilungisa ngokuzenzakalelayo ukushintshashintsha komthwalo weqhwa phakathi kwemijikelezo. Sibonile ukuthi ukuncibilikisa okuqediwe izinga lokushisa kunciphisa ukusetshenziswa kwamandla okuncibilikisa okuphelele cishe ngo-18-22% uma kuqhathaniswa nokuncibilikisa okuqediwe isikhathi ekufakweni kwesimo sezulu sasehlane, ngokusekelwe kudatha yethu yasensimini.

Isiphetho: Amafriji Asehlane Adinga Imininingwane Yesifutho Esincibilikisayo Esilungisiwe

KwaJingwei Electric Heating, sifunde ngokuhlola okuqondile kanye nokuhlangenwe nakho kwasensimini ukuthi imininingwane ye-heater yokuncibilikisa amafriji ebhizinisi asebenza ezindaweni zasehlane ezingama-50°C idinga ukulungiswa okukhulu kusukela ekuchazweni okujwayelekile kwesimo sezulu esinomoya opholile. Ngolwazi lwethu, inhlanganisela yokwanda kwe-watt density, ukukhethwa kwezinto ze-sheath ezingamelana nokugqwala, ukukhetha kukagesi kwezigaba ezintathu, kanye nokulawulwa kwe-defrost okuqedwa amazinga okushisa kungandisa impilo yesevisi ye-heater yokuncibilikisa ngezikhathi ezingu-2-3 futhi kunciphise ukusetshenziswa kwamandla omjikelezo wokuncibilikisa ngo-15-20% ekufakweni kwesimo sezulu esihlane.

Uma ungunkontileka we-HVAC ochaza ama-heater ancibilikisayo okufakwa kwamafriji ezentengiselwano aseMiddle East, ithimba lethu lobunjiniyela lingakunikeza izibalo zamandla kanye nezincomo zezinto ezisuselwe kuphrofayili yakho ethile yokushisa okuzungezile. Vakashela i-http://www.hvac.com/en/s/hvac/defrost-heaters/defrost-installments/commercial-freezers.ikhasi lesifudumezi se-aluminium foilukuze ufunde kabanzi ngama-heater ethu ancibilikisayo alinganiswa nesimo sezulu sasehlane, noma uxhumane nethimba lethu ukuze uxoxe ngezidingo zephrojekthi yakho.

Iziqondiso Zokufaka Isifudumezi Esincibilikisayo Sabakhi Be-HVAC BaseMpumalanga Ephakathi

Ngolwazi lwethu lokusekela osonkontileka be-HVAC baseMpumalanga Ephakathi, sithuthukise iziqondiso ezithile zokufaka ama-heater ancibilikisayo eziqandisini zezentengiselwano zasehlane. I-heater encibilikisayo kufanele ibekwe endaweni eyi-15-20 mm ukusuka kuma-fin e-evaporator coil ukuze inikeze indawo eyanele yokujikeleza komoya ngenkathi igcina ukudluliselwa kokushisa okusebenzayo kuya kungqimba lweqhwa. I-heater kufanele ivikelwe kusetshenziswa ama-clips ensimbi engagqwali kune-aluminium clips, ngoba ekuhlolweni kwethu ama-clips ensimbi engagqwali agcina amandla awo okubopha kumazinga okushisa angama-50°C kuyilapho ama-clips e-aluminium angalahlekelwa amandla afinyelela ku-30% ngenxa yokwanda kokushisa okuhlukile. Ukuxhumeka kukagesi kwe-heater kufanele kusebenzise izintambo ezilinganiselwe amazinga okushisa aphezulu ezilinganiselwe okungenani ama-150°C, nge-silicone raber insulation ehlala iguquguquka kumazinga okushisa angama-50°C. Kusukela ekuhlaziyweni kwethu kwedatha yokubuyiselwa kwensimu evela kumakhasimende aseMpumalanga Ephakathi, cishe ama-25% okwehluleka kwe-heater yokuncibilikisa ngaphambi kwesikhathi kubangelwa ukungafakwa kahle kwe-wiring okuwohloka lapho izinga lokushisa le-wire lifinyelela ku-80-90°C ngesikhathi somjikelezo wokuncibilikisa kuhlanganiswe nezinga lokushisa elingu-50°C, okuholela ekushiseni kwe-wire okungu-130-140°C okudlula isilinganiso se-wire ejwayelekile efakwe i-PVC. Sifaka ama-wiring kit okushisa okuphezulu kuyo yonke i-heater yokuncibilikisa esiyithumela kumakhasimende aseMpumalanga Ephakathi, futhi sinikeza umdwebo we-wiring okhombisa indlela efanele yokuhambisa i-wire ukuze kuncishiswe ukuvezwa kokushisa okuvela ezingxenyeni ze-heater eziseduze.

Ukuqhathaniswa Kokusebenza Kahle Kwamandla: Ama-heater Ethu Okuncibilikisa Iqhwa vs. Izinhlelo Zokuncibilikisa Igesi Elishisayo

Ekuhlolweni kwethu esikhungweni sethu, siqhathanise ukusetshenziswa kwamandla kwezifudumezi zethu zokuncibilikisa ugesi ngokumelene nezinhlelo zokuncibilikisa ugesi oshisayo endaweni ehlane elilingisiwe engu-50°C. Isifudumezi sokuncibilikisa ugesi sisebenzise isilinganiso samahora angu-192 ama-watt ngomjikelezo ngamunye wokuncibilikisa, kuyilapho uhlelo lokuncibilikisa ugesi oshisayo lusebenzise isilinganiso samahora angu-265 ama-watt ngomjikelezo ngamunye lapho kufakwa amandla e-compressor adingekayo ukukhiqiza igesi eshisayo. Uhlelo lokuncibilikisa ugesi luphinde lwaqeda umjikelezo wokuncibilikisa ngesilinganiso semizuzu engama-30 uma kuqhathaniswa nemizuzu engama-38 yohlelo lwegesi eshisayo, ngoba isifudumezi sikagesi singafakwa ngqo nekhoyili ye-evaporator kuyilapho igesi eshisayo kumele ifudumale lonke ivolumu yekhoyili. Ngokusekelwe kufriji evamile yezentengiselwano esebenza endaweni ezungezile engu-50°C enemijikelezo yokuncibilika engu-5-6 ngosuku, ukonga amandla ngonyaka ngokusebenzisa isifudumezi sethu sokuncibilika sikagesi esikhundleni sesistimu yegesi eshisayo cishe ku-150-180 kWh ngefriji, okumele ukonga izindleko ezingaba ngu-USD 180-220 ngonyaka ngamanani kagesi ezimboni aseMpumalanga Ephakathi. Ngokwesipiliyoni sethu, uhlelo lokuncibilika kukagesi ludinga nokugcinwa okuncane kunezinhlelo zegesi eshisayo ngoba azikho ama-valve, ama-solenoid, noma ukuxhumana kwamapayipi okungavuza i-refrigerant endaweni eshisayo kakhulu ehlane.

Izinto Zokufaka Izinto Zokushisa Ezisebenzisa I-HVAC Enomswakama Ophakeme Emadolobheni Asogwini LwaseMpumalanga Ephakathi

Kusukela kokuhlangenwe nakho kwethu ekuhlinzekeni ama-heater ancibilikisayo kubakhi be-HVAC baseMpumalanga Ephakathi, izinto zokuvala ze-heater ziyisici esibalulekile sokusetshenziswa emadolobheni asogwini njengeDubai, Doha, neJeddah, lapho inhlanganisela yomswakama ophezulu (80-90% unyaka wonke) kanye nokuba khona komoya ogcwele usawoti kudala indawo egqwalisayo yezinto zokuvala eziveziwe. Imodi yokwehluleka evame kakhulu esiyibona kulezi zindawo ukungena komswakama ngezinto zokuvala, okubangela ukulandelela kukagesi kanye nokwehluleka kokujikeleza okufushane kwe-heater.

Kusukela ekuhlolweni kwethu okusheshisiwe kwemvelo, ukufakwa kwerabha ye-silicone enobukhulu obuncane bodonga obungu-1.5 mm kubonisa ukumelana okuhle kakhulu komswakama ezindaweni ezinomswakama ophezulu, ezinenkungu kasawoti. Ekamelweni lethu lokuhlola ku-85°C kanye no-85% RH ngokuchayeka kwenkungu kasawoti engu-5% ye-NaCl, izakhi ze-heater ezifakwe i-silicone zigcine ukumelana kokushisa okungaphezu kuka-100 MΩ ngemva kwamahora ayi-1,000 okuvezwa, kuyilapho izakhi ezifakwe i-PVC zehle ngaphansi kuka-1 MΩ ngemva kwamahora angu-400 ngaphansi kwezimo ezifanayo. Sincoma ukucacisa ukufakwa kwerabha ye-silicone enobunzima be-Shore A obungu-60-70 bezakhi ze-heater ezincibilikisayo ezenzelwe ukufakwa kwe-HVAC yase-Middle East. Izindleko ezengeziwe ze-silicone ngaphezu kokufakwa kwe-PVC cishe zingama-15-25% ngesakhi se-heater, kodwa ngokolwazi lwethu, ukwehla kwezinga lokwehluleka kwensimu kusuka ku-12% kuya ku-2% esikhathini sokufakwa seminyaka emi-5 kuqinisekisa ukuthuthukiswa kwezinto.

Indlela Yokubala Ubuningi Bama-Watt Yama-Freezer Defrost Heaters Ezimweni Ezingama-50°C Zendawo Ehlane

Ubuningi bama-watts we-heater encibilikisayo — elinganiswa ngama-watts ngesentimitha lesikwele sendawo yobuso be-heater — inquma izinga lokushisa lobuso be-heater futhi ithinta ngqo ukusebenza kwe-defrost kanye nokuphila kwesevisi ye-heater. Ezindaweni zasehlane zaseMpumalanga Ephakathi lapho izinga lokushisa elingaphandle kwe-freezer enclosure lingafinyelela ku-50°C, i-heater encibilikisayo isebenza ngomehluko wokushisa ophansi kakhulu uma kuqhathaniswa nokufakwa kwesimo sezulu esimaphakathi. Kusukela ekuhlaziyweni kwethu kokushisa, i-heater encibilikisayo eyenzelwe izimo ze-ambient ezingama-25°C enobukhulu bama-watt obungu-1.5 W/cm² izofinyelela izinga lokushisa lobuso be-heater elicishe libe ngu-180°C esicongweni somjikelezo we-defrost. Ezimweni ze-ambient ezingama-50°C, i-heater efanayo izofinyelela cishe ku-205°C, okudlula izinga lokushisa lokusebenza eliqhubekayo eliphezulu lama-heater ajwayelekile e-PVC-insulated (alinganiswe ku-200°C). Sincoma ukucacisa ama-heater ancibilikisayo anobukhulu obukhulu be-watt obungu-1.2 W/cm² wokufakwa kwe-desert ambient, kuhlanganiswe nezintambo zokuhola ezifakwe i-silicone noma i-PTFE ezilinganiselwe ukusebenza okungapheli okungu-220°C. Idatha yethu yasensimini evela ekufakweni kwe-HVAC eRiyadh ikhombisa ukuthi ama-heater acacisiwe ku-1.2 W/cm² watt density afinyelela impilo yesevisi ende engu-40% (imijikelezo yokuncibilikisa engu-4,500 vs. imijikelezo engu-3,200) uma kuqhathaniswa nama-heater ajwayelekile angu-1.5 W/cm² ezimweni ze-50°C ambient.

Izinkomba Nezindinganiso Zemboni Ezihlobene

1. I-IEC 60068-2-78 — Izinga Lokuhlola Ukushisa Okumanzi
2. Iziqondiso Zokuklama ze-ASHRAE HVAC

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