1.Firiji R22:
R22 ndi mtundu wa kutentha, muyezo kuwira mfundo 40.8 ° C, kusungunuka madzi mu R22 ndi laling'ono kwambiri, ndi mafuta mchere kupasuka mzake, R22 si kuwotcha, kapena kuphulika, kawopsedwe ndi yaing'ono, R22 amafufuza luso kwambiri. zamphamvu, ndipo zotulukapo zimakhala zovuta kuzipeza.
R22 imagwiritsidwa ntchito kwambiri muzowongolera mpweya, mapampu otentha, zowumitsa, zowumitsa refrigerating, kusungirako kuzizira, zida zoziziritsira chakudya, zida zoziziritsa kunyanja zam'madzi, firiji yamafakitale, firiji yamalonda, mayunitsi afiriji, zowonetsera masitolo akuluakulu ndi makabati owonetsera, etc.
2. Refrigerant R134A:
R134a ili ndi kukhazikika kwa mankhwala, komabe, chifukwa cha madzi ake apamwamba osungunuka, omwe amatsutsana ndi firiji, ngakhale pali madzi pang'ono, pansi pa ntchito ya mafuta odzola ndi zina zotero, adzatulutsa asidi, carbon monoxide. , carbon dioxide kapena zitsulo corrosion effect, kapena "copper" zotsatira, kotero chirichonse pa dongosolo la youma ndi ukhondo wovuta kwambiri.
R134a, monga refrigerant ina kupita ku R12, imakhala ndi poizoni wochepa kwambiri ndipo siwoyaka mumlengalenga. Imagwiritsidwa ntchito kwambiri mu: mafiriji, mafiriji, zoperekera madzi, zoziziritsa kukhosi zamagalimoto, zoziziritsa kukhosi, zoziziritsa kukhosi, zosungirako kuzizira, firiji zamalonda, madzi oundana. makina, makina ayisikilimu, condensers kuzizira ndi zipangizo zina firiji.
3. Refrigerant R404A:
R404A imagwiritsidwa ntchito makamaka m'malo mwa R22 ndi R502.Lili ndi makhalidwe oyeretsa, otsika kawopsedwe, osawotcha ndi zotsatira zabwino za firiji.ODP yake ndi 0, kotero R404A ndi refrigerant yomwe siwononga ozoni mumlengalenga.
R404A imapangidwa ndi HFC125, hfc-134a ndi hfc-143.Ndi gasi wopanda mtundu pa kutentha kwa firiji ndi madzi owonekera opanda mtundu pa pressure yakeyake.Zoyenera pazida zatsopano zamafiriji zamalonda, zida zamafiriji zoyendera ndi zida za firiji pa kutentha kwapakatikati komanso kotsika.
4. Refrigerant R410A:
Mphamvu yogwira ntchito ya R410A imakhala pafupifupi nthawi 1.6 kuposa mpweya wabwino wa R22, ndipo kutentha kwa firiji (kutentha) kumakhala kwakukulu. ndi carbon.R410A panopa imadziwika padziko lonse ngati firiji yoyenera kwambiri yolowa m’malo mwa R22, ndipo yafala ku Ulaya, America, Japan ndi mayiko ena.
R410A imagwiritsidwa ntchito makamaka m'malo mwa R22 ndi R502.Lili ndi makhalidwe oyera, otsika kawopsedwe, osawotcha komanso abwino firiji, ndipo amagwiritsidwa ntchito kwambiri m'ma air conditioners apakhomo, ma air conditioners ang'onoang'ono amalonda ndi ma air conditioners apanyumba.
5. Refrigerant R407c:
R407C ndi chlorine-free fluorothane non-azeotropic mix refrigerant, gasi wopanda mtundu, wosungidwa mu silinda ngati mpweya wothimbirira. refrigeration system yopanda centrifugal.Ikagwiritsidwa ntchito pazida zoyambirira za R22, zigawo zikuluzikulu ndi mafuta a firiji a dongosolo loyambirira zidzasinthidwa.
R407C imagwiritsidwa ntchito makamaka m'malo mwa R22.Lili ndi makhalidwe oyera, otsika kawopsedwe, osayaka komanso abwino firiji.Pansi pa chikhalidwe cha mpweya, mphamvu yake ya refrigerate ya unit volume ndi refrigeration coefficient ndi 5% yotsika kuposa ya R22. Pa kutentha kochepa, kutentha kwake kozizira sikumasintha kwambiri, koma mphamvu yake yozizira pa unit unit ndi 20% pansi.
6. Refrigerant R600a:
R600a ndi refrigerant yatsopano ya hydrocarbon yochita bwino kwambiri.Amachokera ku zosakaniza zachilengedwe, zomwe sizikuwononga ozoni wosanjikiza, zilibe wowonjezera kutentha ndipo zimakhala zobiriwira komanso zachilengedwe. Zimadziwika ndi kutentha kwakukulu kobisika kwa evaporation ndi mphamvu yoziziritsa yamphamvu.Kugwira ntchito bwino, kuthamanga kwapang'onopang'ono, kutsika kwapang'onopang'ono. kugwiritsa ntchito mphamvu, kuchira pang'onopang'ono kwa kutentha kwa katundu.Kugwirizana ndi mafuta osiyanasiyana a kompresa, ndi m'malo mwa R12.R600a ndi mpweya woyaka.Ikhoza kusakanizidwa ndi mpweya kuti ipange chisakanizo chophulika.Kuchita zachiwawa kukhudzana ndi oxidant.Nthunzi imakhala yolemera kuposa mpweya ndipo imatha kufalikira patali kwambiri pamunsi.Pakakhala moto, gwero lidzayaka moto ndikuyaka.
7.Firiji R32:
Anthu ambiri ogwira ntchito m’firiji amaopa R32 akamakamba za nkhaniyi.Ngozi zamtundu wotere wa firiji ndizofala.Nthawi zambiri, ngozi zachitetezo zimachitika ku refrigerants. Apa tikutsindika kuti ngati kuli kofunikira kusintha magawo okonza firiji, iyenera kutsukidwa musanagwire ntchito. Samalani kuti musayambitse moto!
R32 makamaka imalowa m'malo mwa R22, yomwe ndi gasi wotentha firiji komanso madzi owoneka bwino opanda mtundu pamagetsi ake.Ndizosavuta kusungunuka m'mafuta ndi madzi.Ngakhale zili ndi mphamvu zowonongeka kwa ozoni, zimakhala ndi kutentha kwapadziko lonse, komwe kumakhala nthawi 550 kuposa carbon dioxide zaka 100 zilizonse.
Chiyerekezo cha kutentha kwapadziko lonse cha R32 refrigerant ndi 1/3 ya R410A, yomwe ndi yochezeka ndi chilengedwe kuposa R410A yachikhalidwe ndi R22 refrigerant, koma R32 ili ndi mphamvu yoyaka moto. , 8-15 ℃ mkulu utsi kutentha, mphamvu mkulu, za 3-5%, zingakhudze kuyerekeza mkulu za 5%; High dzuwa, mkulu ntchito pressure.At ntchito chikhalidwe chomwecho ndi mafupipafupi ntchito monga kompresa, mphamvu yozizira ya R32 system ndi pafupifupi 5% kuposa ya R410A refrigerant.
8.Firiji R717:
Ammonia ndi ambiri ntchito sing'anga kuthamanga sing'anga kutentha refrigerant.ammonia muyezo solidification kutentha ndi 77.7 ℃, evaporating kutentha 33.3 ℃, kuthamanga condensing zambiri firiji ndi 1.1 ~ 1.3 MPa, ngakhale pamene chilimwe kuzirala kutentha madzi monga mkulu monga 30 ℃ zosakwana 1.5 MPa.It zimagwiritsa ntchito mufiriji lalikulu mafakitale ndi firiji malonda.
Zosavuta kupeza, mtengo wotsika, kupanikizika pang'ono, kuzizira kwa unit, kuzizira kwambiri, kutulutsa mafuta pang'ono, osasungunuka mumafuta, kukana kuyenda pang'ono, kumapezeka mosavuta pakatuluka. pazitsulo zamkuwa ndi zamkuwa.
9.Firiji R290:
R290, propane, ndi refrigerant yatsopano yoteteza chilengedwe. Amagwiritsidwa ntchito kwambiri popangira mpweya wapakati, kupopera kutentha kwa mpweya, mpweya wa m'nyumba ndi zipangizo zina zazing'ono za firiji. Kuyeretsa kwakukulu R290 kumagwiritsidwa ntchito ngati zinthu zodziwira kutentha. amagwiritsidwa ntchito ngati firiji m'malo mwa R22 ndi R502, yogwirizana ndi dongosolo loyambirira ndi mafuta opaka mafuta, pakatikati pa mpweya, kupopera kutentha kwapampu, zoziziritsa m'nyumba ndi zida zina zazing'ono zamafiriji.
Zoyesera zikuwonetsa kuti kuchuluka kwa kuthirira kwa R290 pansi pa voliyumu yofananayo ndi pafupifupi 43% ya R22. Popeza kutentha kobisika kwa vaporization kwa R290 kuli pafupifupi kuwirikiza kawiri kuposa R22, kufalikira kwa refrigerant kwa dongosolo la firiji pogwiritsa ntchito R290 ndikocheperako. Pogwiritsa ntchito refrigerant ya R290, mphamvu yopulumutsa mphamvu imatha kufika 10-35%.Chilema chakupha cha R290 “choyaka ndi kuphulika” ndi choopsa kwambiri. kukhalapo kwa gwero la kutentha ndi moto wotseguka.
1.Kuthamanga kwa evaporation ndikwambiri
Kuthamanga kwa evaporation ndikwambiri: ngati kuthamanga kwa evaporation kwa refrigerant kuli kochepa kuposa kupanikizika kwa mlengalenga, mpweya ndi wosavuta kulowa mu dongosolo ndipo dongosolo ndilovuta kuthana nalo.Choncho, tikuyembekeza kuti kuthamanga kwa evaporation kwa refrigerant pa kutentha kochepa kungakhale kokwera kuposa kuthamanga kwa mumlengalenga.
2.Kutentha kobisika kwa evaporation ndikokulirapo
Kutentha kobisika kwa vaporization ndikokulirapo: kutentha kobisika kwa vaporization kwa refrigerant ndikokulirapo, kusonyeza kuti kutentha kwakukulu kumatha kuyamwa pogwiritsa ntchito zoziziritsa pang'ono.
3.Kutentha kofunikira ndipamwamba
Ngati kutentha kwakukulu kuli kwakukulu, kusonyeza kuti kutentha kwa refrigerant coagulation ndi kwakukulu, refrigerant ikhoza kukhazikika pogwiritsa ntchito mpweya wozungulira kapena madzi kuti akwaniritse zotsatira za condensation liquefaction.
4.Kuthamanga kwa condensation kumakhala kochepa
Kuthamanga kozizira kumakhala kochepa: kuzizira kozizira kumakhala kochepa, kusonyeza kuti firiji imatha kusungunuka ndi kupanikizika kochepa, ndipo chiwerengero cha compressor ndi chochepa, chomwe chingapulumutse mphamvu ya akavalo ya compressor.
5.Kutentha kolimba kuyenera kukhala kochepa
Kuzizira kozizira kumakhala kochepa: kuzizira kwa choziziritsira kumakhala kochepa, apo ayi choziziriracho chimaundana mu evaporator ndipo sichingayendetsedwe.
6.Kuzizira kwa gasi ndikocheperako kuposa kuchuluka kwake
Voliyumu yeniyeni ya choziziritsira mpweya ndi yaying'ono: kucheperako kwa voliyumu yozizirira gasi, ndizabwinoko, kuchuluka kwa kompresa kumatha kuchepetsa mtengo, ndipo chitoliro choyamwa ndi chitoliro chotulutsa chimagwiritsa ntchito chitoliro chocheperako choziziritsa.
7.Liquid coolant ali ndi kachulukidwe apamwamba
Kuchuluka kwa kachulukidwe kwa choziziritsira chamadzimadzi, kumapangitsa kuchulukana kwa koziziritsa kwamadzimadzi, chitolirocho chimakhala chocheperako.
8.Kusungunuka mu mafuta owuma
Kusungunuka mumafuta owuma: Kusungunuka mumafuta owuma: makinawo safunikira kukhazikitsa cholekanitsa mafuta.
9.Chemical bata
Kukhazikika kwa mankhwala: kutentha kwa evaporation kumasiyana ndi kusintha kwa kutentha, monga kutentha kwa madzi oundana ndi 0 ~ 5 ℃, kuzizira mufiriji, kuzizira kokha kusintha kwa thupi, popanda kusintha kwa mankhwala, osati kuwola.
10. Palibe zowononga
Kutentha kobisika kwa nthunzi ndi kwakukulu: sikungawononge zitsulo ndi zitsulo, ndi ammonia ikuwononga mkuwa. Kutsekemera kwabwino, apo ayi kudzawononga kusungunula kwa injini yamagetsi, kotero ammonia sayenera kugwiritsidwa ntchito mu compressor chatsekedwa, kuti apewe kukhudzana mwachindunji. ndi coil yamkuwa.
11.Zopanda - zapoizoni zosawotcha zosaphulika
12.Musawononge chilengedwe
Nthawi yotumiza: Dec-14-2018
