Zvave pedyo kuwana zvinotsiva zvechipiri-nechitatu-chizvarwa refrigerants!
Musi waGunyana 15, 2021, "Kigali Amendment kuMontreal Protocol yeZvinhu Zvinopedza Ozone Layer" yakatanga kushanda kuChina. Maererano ne "Montreal Protocol", yechipiri-chizvarwa refrigerant HCFC icharega kushandiswa muna 2030. Kugadziriswa kunoda kuti panosvika 2050, kushandiswa kweHFCs pasi rose kuchadonha ne85%.
Ichi chiitiko chakakosha mufiriji chikamu chekubuda, uye zvakare chinotumira chiratidzo chikuru chezvematongerwo enyika chekuti nharaunda dzepasirese dzakatsunga kubvisa kushandiswa kweHFCs.
Panguva imwecheteyo, nekugadzwa kweiyo yepamba "mbiri-kabhoni" tarisiro uye zvishoma nezvishoma kuitiswa kwechitatu-chizvarwa refrigerant HFCs control policy, zvinokurumidza kudzidza HCFC, HFCs inotsiva zvinhu uye ane hukama matekinoroji.
Iyo refrigerant inopinda munguva yepasi GWP kukosha, uye dambudziko rekupisa harigoni kuregererwa!
Kazhinji, kushandiswa kwemafiriji anopfuta ane yakaderera GWP kukosha kutsiva HCFC uye mamwe magasi ane fluorine anoonekwa seanoshanda uye akaderera mutengo mhinduro. Zvisinei, zvidzidzo zvakaratidza kuti mafiriji echinyakare haawanzoita zvose zvinodiwa zvemafiriji emangwana kune yakaderera GWP, kuchengeteka, thermodynamic performance uye kwezvakatipoteredza panguva imwe chete.
Mune mamwe mazwi, akawanda akaderera GWP maitiro anogona kupisa!
Chiyero chenyika "Refrigerant Numbering Method and Safety Classification" GB/T 7778-2017 inokamura hupfu hwefiriji muClass A (low chronic toxicity) neClass B (high chronic toxicity), uye kupisa kunoiswa muKirasi 1 (Hapana kupararira kwemoto), Kirasi 2L (Chikamu2chinogoneka uye Chinogoneka). zvinoputika). Maererano neGB/T 7778-2017, kuchengetedzwa kwemafiriji kwakakamurwa muzvikamu zvisere, zvinoti: A1, A2L, A2, A3, B1, B2L, B2, uye B3. Pakati pavo, A1 ndiyo yakachengeteka uye B3 ndiyo ine ngozi zvakanyanya.
Maitiro ekushandisa A2L HFO refrigerant zvakachengeteka uye zvinobudirira?
Kunyange zvazvo mhepo yemhepo yemumba, mhepo yepakati uye mimwe michina yefriji yakaedzwa kuti iite pafekitari, kukosha kwekutsvaga kwefiriji yefiriji kunoratidzwa. Nekudaro, mazhinji makuru makuru epakati air-conditioning units uye maindasitiri anotonhora anofanirwa kuzadzwa nefiriji pa-saiti, sezvinoita emumba air-conditioner, midziyo yefiriji, kutonhora kwekuchengetera, nezvimwewo panguva yekugadzirisa.
Uyezve, nekuda kwemhando dzakasiyana dzeevaporator dzinoshandiswa mune mimwe michina, iyo firiji charge yakasiyana. Mukuwedzera kune nzvimbo yekuchengetedza uye yekuisa, nekuda kwemamiriro mashoma, vashandi vakawanda vanogadzirisa vanobhadhara firiji zvichienderana neruzivo. Mukuwedzera, iyo indasitiri inonetsekawo zvakanyanya nenyaya yekupisa kwefiriji.
Zvichienderana neizvi, Chemours yakaparura R1234yf, R454A, R454B, R454C uye imwe isingabatike A2L, yakaderera GWP mafiriji, uye yakazvipira kusimudzira dhizaini yehurongwa uye yakakurumbira kudzidziswa kwesainzi kugadzirisa njodzi dzekupisa.
Iyo A2L yekuchengetedza nhanho ine hunhu hwekuderera muchetura (A) uye husina simba hwekupisa (2L). Mazhinji maA2L HFO mafiriji ane ese ari maviri epamusoro kuita uye akaderera GWP maitiro, uye akanakira anotsiva ekare chizvarwa cheHFC mafiriji. Zvigadzirwa zveA2L hazvisi kungoshandiswa zvakanyanya mumusika wepasirese, asi makambani mazhinji epamba akamhanyisawo nhanho yekusimudzira uye kuunza iyi mhando nyowani yefiriji mumashandisirwo ekugadzira. Semuenzaniso, Johnson Controls inoshandisa Oteon™ XL41 (R-454B) muYork ® YLAA scroll chiller yemusika weEurope; Mutakuri anosarudzawo R-454B (ndiyo Seyayo huru yakaderera-GWP refrigerant, Mutakuri achashandisa R-454B mune yayo tubular yekugara uye yakareruka yekutengesa HVAC zvigadzirwa zvinotengeswa muNorth America kubva 2023. Tsiva R-410A.
Nguva yekutumira: Oct-23-2021