Kusungunuka kwa chisanu m'malo osungiramo zinthu ozizira kumachitika makamaka chifukwa cha chisanu chomwe chili pamwamba pa evaporator m'malo osungiramo zinthu ozizira, chomwe chimachepetsa chinyezi m'malo osungiramo zinthu ozizira, chimalepheretsa kutentha kwa payipi, komanso chimakhudza kuzizira. Njira zosungunuka m'malo osungiramo zinthu ozizira zimaphatikizapo:
kusungunula mpweya wotentha
Kudutsa mwachindunji mpweya wotentha wothira mpweya mu evaporator ndikudutsa mu evaporator. Kutentha kosungirako kozizira kukakwera kufika pa 1 °C, compressor imazimitsidwa. Kutentha kwa evaporator kumakwera, zomwe zimapangitsa kuti chisanu cha pamwamba chisungunuke kapena kusweka; kusungunuka kwa mpweya wotentha ndikotsika mtengo komanso kodalirika, ndipo kukonza ndi kuyang'anira ndikosavuta, ndipo ndalama zake ndi kapangidwe kake sizovuta. Komabe, pali njira zambiri zosungunula mpweya wotentha. Njira yachizolowezi ndikutumiza mpweya wothamanga kwambiri ndi kutentha kwambiri wotuluka mu compressor kupita ku evaporator kuti utulutse kutentha ndi kusungunula, ndikulola madzi oundana kulowa mu evaporator ina kuti atenge kutentha ndi kusungunuka kukhala mpweya wotentha pang'ono ndi kupsinjika kochepa. Bwererani ku compressor suction kuti mumalize kuzungulira.
Kusungunula madzi
Thirani madzi nthawi zonse kuti muziziritse evaporator kuti mupewe kupangika kwa chisanu; ngakhale kuti kusungunula kwa madzi ndi kwabwino, ndikoyenera kwambiri pa choziziritsira mpweya, chomwe chimakhala chovuta kugwiritsa ntchito pa evaporation coil. Palinso yankho lokhala ndi kutentha kwakukulu kwa kuzizira, monga 5%—8% yamadzi oundana, kuti mupewe kupangika kwa chisanu.
ZamagetsiZotenthetsera zamagetsizimatenthedwa kuti zisungunuke.
Ngakhale kuti ndi yosavuta komanso yophweka, malinga ndi kapangidwe kake ka malo osungiramo zinthu ozizira komanso kugwiritsa ntchito pansi pake, vuto la kumanga waya wotenthetsera si laling'ono, ndipo kulephera kwake kudzakwera kwambiri mtsogolo, kasamalidwe kokonza n'kovuta, ndipo ndalama nazonso sizabwino.
Pali njira zina zambiri zosungunula chisanu chosungiramo zinthu zozizira, kuwonjezera pa kusungunula chisanu ndi magetsi, kusungunula madzi ndi kusungunula mpweya wotentha, palinso kusungunula chisanu ndi zina zotero. Kusungunula chisanu pogwiritsa ntchito zida makamaka kusungunula chisanu pamanja, wosanjikiza wa chisanu pa choyikira chosungiramo zinthu zozizira. Pamene kuli kofunikira kuchotsa, popeza chosungiramo chozizira chopangidwiracho chilibe chipangizo chosungunula chokha, kusungunula chisanu ndi dzanja kokha ndikomwe kungachitike, koma pali zovuta zambiri.
Chipangizo Chosungunula Fluoride Yotentha (Chogwiritsidwa Ntchito Pamanja):Chipangizochi ndi chipangizo chosavuta kusungunula chomwe chimapangidwa motsatira mfundo ya kusungunula fluorine yotentha. Tsopano chikugwiritsidwa ntchito kwambiri m'makampani oziziritsa monga makampani oundana ndi oziziritsa. Palibe ma solenoid valves ofunikira. Scope Dongosolo lodziyimira pawokha la compressor imodzi ndi evaporator imodzi. Siloyenera mayunitsi ofanana, okhala ndi magawo ambiri, komanso otsetsereka.
Ubwino:Kulumikizako ndikosavuta, ntchito yoyika ndi yosavuta, magetsi sakufunika, chitetezo sichikufunika, malo osungira sikufunika, katundu sasungidwa, kutentha kwa malo osungira sikozizira, ndipo katunduyo ndi wozizira komanso wozizira. Kugwiritsa ntchito mafakitale oziziritsa ndi oziziritsa ndi 20 masikweya mita mpaka 800 masikweya mita, ndipo chubu chosungiramo chozizira chaching'ono ndi chapakati chimasungunuka. Zotsatira za zida zamakampani oundana pamodzi ndi mizere iwiri ya aluminiyamu.
zabwino kwambiri za defrosting effect
1. chosinthira cha batani limodzi chowongolera ndi manja, chosavuta, chodalirika, chotetezeka, palibe kulephera kwa zida komwe kumachitika chifukwa cha kusagwira ntchito bwino.
2. Kutentha kuchokera mkati, kuphatikiza kwa chisanu ndi khoma la chitoliro kumatha kusungunuka, ndipo gwero la kutentha limagwira ntchito bwino kwambiri.
3. Kusungunula ndi koyera komanso kokwanira, chisanu choposa 80% chimakhala cholimba, ndipo zotsatira zake zimakhala bwino ndi evaporator ya aluminiyamu yokhala ndi ma fin awiri.
4. malinga ndi chithunzi chomwe chayikidwa mwachindunji pa chipangizo choziziritsira mpweya, kulumikizana kosavuta kwa chitoliro, palibe zowonjezera zina zapadera.
5. Malinga ndi makulidwe enieni a makulidwe a chisanu, nthawi zambiri amagwiritsidwa ntchito mphindi 30 mpaka 150.
6. Poyerekeza ndi kirimu yotenthetsera yamagetsi: chitetezo champhamvu, kutsika kwa zotsatira zoyipa pa kutentha kozizira, komanso kuchepa kwa zotsatira pa katundu ndi ma phukusi.
Chotenthetsera mpweya cha makina osungiramo zinthu zozizira chiyenera kusamala kwambiri pa kukonza. Ngati kuzizira kwa evaporator kungakhudze momwe malo osungiramo zinthu zozizira amagwiritsidwira ntchito, kodi mungasungunule bwanji nthawi yake? Malangizo athu okhazikitsa malo osungiramo zinthu zozizira usiku wonse, muyenera kusamala kwambiri mfundo za kuzizira kwa evaporator zomwe zingayambitse kukana kutentha kwambiri, kukana kutentha kumachepa. Pa chotenthetsera, dera lozungulira mpweya limachepa, kukana kuyenda kumawonjezeka, ndipo mphamvu imawonjezeka. Chifukwa chake, iyenera kusungunuka nthawi yake.
Ndondomeko zosungiramo zinthu zozizira zomwe zilipo pano ndi izi:
1. Kukonza frosting ndi manja n'kosavuta komanso kosavuta, ndipo sikukhudza kutentha kosungirako, koma mphamvu ya ntchito ndi yayikulu, kusungunula sikokwanira, ndipo pali zoletsa.
2. Madzi amatsukidwa, ndipo madzi ozizira amathiridwa pamwamba pa evaporator kudzera mu chipangizo chopopera kuti asungunuke wosanjikiza kawiri, kenako n’kutulutsidwa ndi chitoliro chotulutsira madzi. Ndondomekoyi ili ndi luso lapamwamba, njira yosavuta yogwirira ntchito komanso kusinthasintha pang'ono kwa kutentha kosungirako. Kuchokera pakuwona kwa mphamvu, mphamvu yozizira pa mita imodzi ya sikweya ya malo otuluka madzi imatha kufika 250-400kj. Kutsukidwa kwa madzi kumathandizanso kuti zikhale zosavuta kuphimba mkati mwa nyumba yosungiramo zinthu, zomwe zimapangitsa kuti madzi azidontha padenga lozizira, zomwe zimachepetsa nthawi yogwirira ntchito.
3. Kusungunula mpweya wotentha, pogwiritsa ntchito kutentha komwe kumatulutsidwa ndi nthunzi yotentha kwambiri yotuluka mu compressor kuti isungunule wosanjikiza kawiri pamwamba pa evaporator. Makhalidwe ake ndi ofunikira kwambiri komanso oyenera kugwiritsa ntchito mphamvu. Pa makina oziziritsira a ammonia, kusungunula kumathanso kutulutsa mafuta mu evaporator, koma nthawi yosungunula imakhala yayitali, zomwe zimakhudza kutentha kosungira. Makina oziziritsira ndi ovuta.
4, kutentha ndi kusungunula kwamagetsi, pogwiritsa ntchito chinthu chotenthetsera kutentha malo osungiramo zinthu ozizira kuti asungunule. Dongosololi ndi losavuta, losavuta kugwiritsa ntchito, losavuta kupanga lokha, koma limagwiritsa ntchito mphamvu zambiri.
Pamene dongosolo lenileni latsimikizika, nthawi zina njira yosungunula imagwiritsidwa ntchito, ndipo nthawi zina njira zosiyanasiyana zimaphatikizidwa. Monga chitoliro chosungiramo zinthu zozizira, khoma, chitoliro chosalala chapamwamba, mungagwiritse ntchito njira yopangira yophatikiza mpweya wotentha, nthawi zambiri kuzizira pamanja, kusungunuka kwa mpweya wotentha nthawi zonse, kuti mumvetse bwino kuti chisanu chopangidwa mwaluso sichosavuta kuchotsa chisanu ndikutulutsa mafuta mupaipi. Chopukusira mpweya chimatsukidwa ndi madzi ndi mpweya wotentha. Kuti musungunule kwambiri, kusungunuka kwafupipafupi kumatha kuchitika ndi mpweya wotentha wophatikizidwa ndi kusungunuka kwa madzi. Pamene dongosolo loziziritsira la malo osungiramo zinthu zozizira likugwira ntchito, kutentha kwa pamwamba pa evaporator nthawi zambiri kumakhala pansi pa zero. Chifukwa chake, evaporator imakhala ndi frosting, ndipo wosanjikiza wa chisanu uli ndi kukana kwakukulu kwa kutentha, kotero chithandizo chofunikira cha kusungunuka chimafunika pamene chisanu chili chokhuthala.
Chotenthetsera madzi chosungiramo zinthu zozizira chimagawidwa m'mitundu ya chitoliro cha pakhoma ndi mtundu wa chips malinga ndi kapangidwe kake, mtundu wa kusuntha kwa khoma ndi kusamutsa kutentha kwachilengedwe kwa convection, mtundu wa chips umayendetsedwa ndi kusamutsa kutentha kwa convection, ndipo njira yosungunula chubu cha mzere wa pakhoma nthawi zambiri imayendetsedwa ndi manja. Frost, mtundu wa chips ndi kirimu wotenthetsera wamagetsi.
Kusungunula chisanu ndi manja kumakhala kovuta kwambiri. Ndikofunikira kusungunula chisanu ndi manja, kuyeretsa chisanu, ndikusuntha zomwe zili mu laibulale. Nthawi zambiri, wogwiritsa ntchito amayenera kupita ku kusungunula chisanu kwa nthawi yayitali kapena miyezi ingapo. Kusungunula chisanu kukachitika, chisanu chimakhala chokhuthala kale. Kukana kutentha kwa chitsulocho kwapangitsa kuti evaporator isafikire mufiriji. Kusungunula chisanu ndi gawo limodzi kuposa kusungunula chisanu ndi manja, koma kokha ku evaporators zokhala ndi zipsepse, evaporators za pakhoma ndi chubu sizingagwiritsidwe ntchito.
Mtundu wamagetsi wotenthetsera uyenera kuyikidwa mu chubu chotenthetsera chamagetsi mu evaporator yamtundu wa fin, ndipo chubu chotenthetsera chamagetsi chiyenera kuyikidwa mu thireyi yolandirira madzi. Kuti muchotse chisanu mwachangu, mphamvu ya chubu chotenthetsera chamagetsi siingasankhidwe yaying'ono kwambiri, nthawi zambiri imakhala ma kilowatts ochepa. Njira yowongolera yogwiritsira ntchito chubu chotenthetsera chamagetsi nthawi zambiri imagwiritsa ntchito njira yowongolera kutentha nthawi. Potenthetsera, chubu chotenthetsera chamagetsi chimasamutsa kutentha kupita ku evaporator, ndipo gawo la chisanu pa coil yotenthetsera ndipo chipsepse chimasungunuka, ndipo gawo la chisanu silisungunula kwathunthu thireyi yamadzi yomwe ikugwa, ndipo limatenthedwa ndikusungunuka ndi chubu chotenthetsera chamagetsi mu thireyi yolandirira madzi. Uku ndi kutaya magetsi, ndipo mphamvu yozizira ndi yotsika kwambiri. Chifukwa evaporator ili yodzaza ndi chisanu, coefficient yosinthira kutentha ndi yotsika kwambiri.
Njira yosazolowereka yosungunula chisanu chosungiramo zinthu zozizira
1. Pakusungunula mpweya wotentha wa makina ang'onoang'ono, makina ndi njira yowongolera ndi zosavuta, liwiro la kusungunula ndi lachangu, lofanana komanso lotetezeka, ndipo mtundu wa ntchito uyenera kukulitsidwa kwambiri.
2. Kusungunula mpweya pogwiritsa ntchito pneumatic n'koyenera makamaka pamakina oziziritsira omwe amafunika kusungunula mpweya pafupipafupi. Ngakhale kuti ndikofunikira kuwonjezera zida zapadera zoyeretsera mpweya ndi mpweya, bola ngati kuchuluka kwa mpweya kuli kwakukulu, ndalama zogwiritsira ntchito zidzakhala zabwino kwambiri.
3. Kusungunula kwa ultrasonic ndi njira yodziwikiratu yosungira mphamvu. Kapangidwe ka majenereta a ultrasound kuyenera kuphunziridwa bwino kuti kusungunula kwa ultrasonic kukhale kolondola kwambiri pa ntchito zaukadaulo.
4, kusungunula madzi mufiriji, njira yozizira ndi njira yosungunula madzi nthawi imodzi, palibe mphamvu yowonjezera yomwe imagwiritsidwa ntchito posungunula madzi, kuziziritsa kwa chisanu kumagwiritsidwa ntchito mufiriji yamadzi isanayambe valavu yowonjezera ya supercooling, kukonza bwino kuziziritsa kuti kutentha kwa laibulale kusungidwe. Kutentha kwa firiji yamadzi kuli mkati mwa kutentha kwabwinobwino, ndipo kukwera kwa kutentha kwa evaporator panthawi ya defrost ndi kochepa, zomwe sizikhudza kwambiri kuwonongeka kwa kutentha kwa evaporator. Choyipa chake ndichakuti kuwongolera kovuta kwa dongosololi ndi kovuta.
Mu nthawi yosungunula, nthawi zambiri imakhala mosasamala kanthu za kutentha. Nthawi yosungunula imakhala yatha, kenako mpaka nthawi yotulutsa madzi, fan imayambanso. Nthawi yanu yosungunula siyenera kukhala yayitali kwambiri, ndipo kirimu wotenthetsera wamagetsi sayenera kupitirira mphindi 25. Yesetsani kupeza njira yoyenera yosungunula madzi. (Njira yosungunula madzi nthawi zambiri imadalira nthawi yotumizira mphamvu kapena nthawi yoyambira compressor.) Kulamulira kutentha kwamagetsi kumathandiziranso kutentha kwa kumapeto kwa kusungunula madzi. Kumathetsa kusungunula madzi m'njira ziwiri, 1 ndi nthawi ndipo 2 ndi kuwen. Izi nthawi zambiri zimagwiritsa ntchito ma probe awiri otentha.
Pakugwiritsa ntchito tsiku ndi tsiku malo osungiramo zinthu zozizira, ndikofunikira kuchotsa chisanu nthawi zonse pamalo osungiramo zinthu zozizira. Kuzizira kwambiri pamalo osungiramo zinthu zozizira sikuthandiza kuti malo osungiramo zinthu zozizira agwiritsidwe ntchito mwachizolowezi. Mu pepalali, tsatanetsatane wa chisanu pamalo osungiramo zinthu zozizira uyenera kutengedwa. Njira yochotsera? Kodi njira zodziwika bwino ndi ziti?
1. Yang'anani refrigerant ndipo yang'anani ngati pali thovu lililonse mu galasi lowonera. Ngati pali thovu losonyeza kuti silikwanira, onjezerani refrigerant kuchokera ku chitoliro chotsika mphamvu.
2. Yang'anani ngati pali mpata mu mbale yosungiramo zinthu zozizira pafupi ndi chitoliro chotulutsa utsi wozizira, zomwe zimapangitsa kuti kuzizira kutuluke. Ngati pali mpata, sungani mwachindunji ndi guluu wagalasi kapena chopangira thovu.
3. Yang'anani chitoliro cha mkuwa ngati chatulutsa madzi, chotsani madzi opopera kapena madzi a sopo kuti muwone ngati pali thovu la mpweya.
4. Choyambitsa compressor yokha, mwachitsanzo, mpweya woipa komanso wotsika, womwe umafunika kusintha valavu, wotumizidwa ku malo okonzera compressor kuti akonze.
5. kuti muwone ngati ili pafupi ndi kubwerera komwe kukakokedwa, ngati ili, ndiye kuti muwone ngati kutayikira kwa madzi, onjezerani choziziritsira. Pankhaniyi, chitoliro nthawi zambiri sichimayikidwa mopingasa. Ndikofunikira kuti chikhale chofanana ndi mulingo. Kenako palibe mphamvu yokwanira yoziziritsira, mwina choziziritsiracho chawonjezeredwa, kapena pali ayezi mupaipi.
Nthawi yotumizira: Sep-26-2024