Izici zamafriji asetshenziswa kakhulu

1.Isiqandisi R22:

I-R22 uhlobo lokushisa, indawo yayo yokubilisa ejwayelekile engu-40.8 ° C, ukuncibilika kwamanzi ku-R22 kuncane kakhulu, namafutha amaminerali ancibilika, i-R22 ayishi, noma ukuqhuma, ubuthi buncane, ikhono lokusesha i-R22 lincane kakhulu. kuqinile, futhi ukuvuza kunzima ukukuthola.

I-R22 isetshenziswa kakhulu kuma-air conditioner, amaphampu okushisa, okomisa umswakama, okomisa amafriji, okokugcina, okokugcina ukudla, okokugcina olwandle, iziqandisi zasezimbonini, iziqandisi ezithengiswayo, iziqandisi, izibonisi zesuphamakethe namakhabethe okubonisa, njll.

2.Isiqandisi R134A:

I-R134a inokuqina okuhle kwamakhemikhali, noma kunjalo, ngenxa yokuncibilika kwayo okuphezulu kwamanzi, ngakho-ke okuphambene nesistimu yesiqandisi, ngisho noma kukhona amanzi amancane, ngaphansi kwesenzo samafutha okugcoba nokunye, kuzokhiqiza i-asidi, i-carbon monoxide. , i-carbon dioxide noma i-metal corrosion effect, noma umphumela "wethusi", ngakho yonke into ohlelweni lokomile nokuhlanzekile idinga nakakhulu.

I-R134a, njengesiqandisi esihlukile kune-R12, inobuthi obuphansi kakhulu futhi ayishi emoyeni. Isetshenziswa kakhulu: iziqandisi, iziqandisi, izikhiqizo zamanzi, ama-air conditioner ezimoto, ama-air conditioner aphakathi, okokukhipha umswakama, okokugcina, iziqandisi ezithengiswayo, amanzi ayiqhwa. imishini, imishini ka-ayisikhilimu, ama-condenser okuqandisa nezinye izinto zesiqandisi.

3.Isiqandisi R404A:

I-R404A isetshenziswa kakhulu esikhundleni sika-R22 no-R502.Inezici zokuhlanza, ubuthi obuphansi, ukungashi kanye nomphumela omuhle wesiqandisi.I-ODP yayo ingu-0, ngakho-ke i-R404A iyisiqandisi esingawuchithi ungqimba lwe-ozone emkhathini.

I-R404A yakhiwe i-HFC125, hfc-134a kanye ne-hfc-143.Igesi engenambala emazingeni okushisa asekamelweni kanye noketshezi olungenambala obala ngokucindezela kwayo.Ifanele imishini emisha yesiqandisi yezentengiselwano, izinto zokuthutha zesiqandisi nezinto zesiqandisi emazingeni okushisa aphakathi nendawo naphansi.

4.Isiqandisi R410A:

Ingcindezi yokusebenza ye-R410A icishe iphindwe izikhathi ezingu-1.6 kune-air conditioner evamile ye-R22, futhi ukusebenza kahle kwesiqandisi (ukushisisa) kuphezulu.Isiqandisi se-R410A siqukethe izingxube ezimbili ze-quasi-azeotropic, i-R32 ne-R125, ngayinye iqukethe u-50%, ikakhulukazi i-hydrogen, i-fluorine. kanye ne-carbon.R410A okwamanje yaziwa ngamazwe ngamazwe njengesiqandisi esifaneleka kakhulu ukuvala indawo ka-R22, futhi seyenziwe yaduma eYurophu, eMelika, eJapane nakwamanye amazwe.

I-R410A isetshenziswa kakhulu esikhundleni sika-R22 no-R502.Inezici zokuhlanzeka, ubuthi obuphansi, ukungashi kanye nomphumela omuhle wesiqandisi, futhi isetshenziswa kabanzi kuma-air conditioner asendlini, ama-air conditioner amancane ezentengiselwano kanye nama-air conditioner asendlini.

5.Isiqandisi R407c:

I-R407C iyi-chlorine-free fluorothane non-azeotropic exutshwe efrijini, igesi engenambala, egcinwe kusilinda njengegesi ecindezelwe uketshezi. i-non-centrifugal refrigeration system.Uma isetshenziswa emshinini wokuqala we-R22, izingxenye kanye namafutha afakwe esiqandisini ohlelo lokuqala kuyoshintshwa.

I-R407C isetshenziswa kakhulu esikhundleni sika-R22.Inezici zokuhlanzeka, ubuthi obuphansi, obungashi kanye nomphumela omuhle wesiqandisi.Ngaphansi kwesimo se-air conditioning, umthamo wayo weyunithi yesiqandisi kanye ne-coefficient yesiqandisi ingaphansi ngo-5% kunaleyo ye-R22. Emazingeni okushisa aphansi, i-coefficient yayo yokupholisa ayishintshi kakhulu, kodwa umthamo wayo wokupholisa ngeyunithi ngayinye iphansi ngo-20%.

6.Isiqandisi R600a:

I-R600a iyisiqandisi esisha se-hydrocarbon esisebenza kahle kakhulu.Itholakala ezithakweni zemvelo, ezingalimazi ungqimba lwe-ozone, ayinawo umphumela we-greenhouse futhi iluhlaza futhi ivumelana nemvelo.Ibonakala ngokushisa okuphezulu okucashile kokuhwamuka namandla okupholisa okuqinile.Ukusebenza kahle kokugeleza, ukucindezela okuphansi kokudlulisela, okuphansi okuphansi. ukusetshenziswa kwamandla, ukubuyiswa kancane kwezinga lokushisa lomthwalo.Ihambisana nezithambisi ze-compressor ezihlukahlukene, ithatha indawo ka-R12.R600a igesi evuthayo.Ingaxutshwa nomoya ukuze yenze ingxube eqhumayo.Ukusabela okunodlame lapho uthintana ne-oxidant.Isitimu sikhulu kunomoya futhi singasakazeka kude kakhulu endaweni ephansi.Uma kwenzeka umlilo, umthombo uzobamba umlilo futhi ubhuse.

7.Isiqandisi R32:

Abaningi abasebenza emafrijini besaba u-R32 uma bekhuluma ngakho.Izingozi zalolu hlobo lwesiqandisi zivamile.Ezikhathini eziningi, izingozi zokuphepha zenzeka eziqandisini.Ngalokhu sigcizelela ukuthi uma kudingekile ukushintshwa kwezingxenye ukuze kugcinwe isistimu yesiqandisi, kufanele igezwe ngaphambi kokuhlinzwa.Qaphela ukuthi ungafaki umlilo!

I-R32 ngokuyinhloko ithatha indawo ka-R22, okuyigesi ehlala ekamelweni lokushisa kanye noketshezi olungenambala olubonisa ngale ngokucindezela kwayo.Kulula ukuncibilika emafutheni nasemanzini.Nakuba inamandla okuncisha i-ozone, inamandla aphezulu okufudumala kwembulunga yonke, okuphindwe izikhathi ezingu-550 kune-carbon dioxide njalo eminyakeni eyi-100.

I-global warming coefficient yesiqandisi esingu-R32 yi-1/3 ka-R410A, evumelana nemvelo kune-R410A evamile kanye ne-R22 efrijini, kodwa i-R32 inokuvutha okuthile. , 8-15 ℃ izinga lokushisa eliphezulu lokukhipha amandla, amandla aphezulu, cishe u-3-5%, angasebenza uma kuqhathaniswa nokuphakama okungaba ngu-5%; Ukusebenza kahle okuphezulu, ukucindezela okukhulu kokusebenza.Esimeni esifanayo sokusebenza kanye nemvamisa yokusebenza efanayo ne-compressor, umthamo wokupholisa yesistimu ka-R32 ingaphezulu ngo-5% kunesiqandisi sika-R410A.

8.Isiqandisi R717:

I-ammonia iyisiqandisi esisetshenziswa kakhulu se-medium pressure medium. Izinga lokushisa le-ammonia lokuqinisa izinga lokushisa lingu-77.7 ℃, izinga lokushisa elihwamukayo lingu-33.3 ℃, ingcindezi ebambayo ngokuvamile ekamelweni lokushisa ngu-1.1 ~ 1.3 MPa, ngisho nalapho izinga lokushisa lamanzi okupholisa ehlobo liphezulu kakhulu. njengoba 30 ℃ ngaphansi kuka-1.5 MPa.Isetshenziswa kakhulu efrijini lezimboni ezinkulu kanye neziqandisi zentengiso.

Itholakala kalula, intengo ephansi, ukucindezela okumaphakathi, ukupholisa iyunithi enkulu, i-coefficient ephezulu ye-exothermic, cishe ayincibiliki kuwoyela, ukumelana nokugeleza okuncane, ukutholakala kalula lapho kuvuza. phezu kwezingxube zethusi nezethusi.

9.Isiqandisi R290:

I-R290, i-propane, iyisiqandisi esisha sokuvikela imvelo.Ikakhulu sisetshenziselwa isibandisi somoya esimaphakathi, isiphephetha-moya sepompo lokushisa, isiphephetha-moya sasendlini nezinye izinto ezincane zesiqandisi.I-High pure R290 isetshenziswa njengempahla yokuzwa izinga lokushisa.Izinga eliphezulu nelokuqala elingu-R290 lingaba ngu-R290 esetshenziswa njengesiqandisi esikhundleni sika-R22 kanye no-R502, ehambisana nesistimu yokuqala kanye namafutha okugcoba, i-central air conditioning, i-heat pump air conditioning, i-air conditioning yasendlini nezinye izinto ezincane zesiqandisi.

Ukuhlola kubonisa ukuthi inani lokuthungatha elingu-R290 ngaphansi kwevolumu yesistimu efanayo lilinganiselwa ku-43% walelo lika-R22. Njengoba ukushisa okucashile kokuhwamuka kwe-R290 cishe kuphindwe kabili kuno-R22, ukusakazwa kwesiqandisi kwesistimu yesiqandisi esebenzisa u-R290 kuncane kakhulu. Ngokusebenzisa isiqandisi esingu-R290, izinga lokonga amandla lingafinyelela ku-10-35%.Isici esibulalayo sika-R290 “esivuthayo nesiqhumayo” siyingozi kakhulu. ubukhona bomthombo wokushisa nomlilo ovulekile.

1.Ingcindezi yokuhwamuka iphezulu

Ukucindezela kwe-evaporation kuphakeme: uma ukucindezela kwe-evaporation yesiqandisi kuphansi kunokucindezela komkhathi, umoya kulula ukungena ohlelweni futhi uhlelo kunzima ukubhekana nalo.Ngakho-ke, kwethenjwa ukuthi ingcindezi yokuhwamuka kwesiqandisi ekushiseni okuphansi ingaba phezulu kunomfutho womkhathi.

2.Ukushisa okucashile kokuhwamuka kukhulu

Ukushisa okucashile kokuhwamuka kukhulu: ukushisa okucashile kokuhwamuka kwesiqandisi kukhulu, okubonisa ukuthi inani elikhulu lokushisa lingamuncwa ngokusebenzisa isipholile esincane.

3.Izinga lokushisa elibalulekile liphakeme

Uma izinga lokushisa elibucayi liphakeme, libonisa ukuthi izinga lokushisa lokuhlanganisa i-refrigerant liphezulu, isiqandisi singapholiswa ngokusebenzisa umoya ozungezile noma amanzi ukuze kuzuzwe umphumela we-condensation liquefaction.

4.Ingcindezi ye-condensation iphansi

Ukucindezela okupholile kuphansi: ingcindezi yokupholisa iphansi, okubonisa ukuthi isiqandisi singancibilika ngomfutho ophansi, futhi isilinganiso sokucindezela se-compressor sincane, esingasindisa amandla ehhashi we-compressor.

5.Izinga lokushisa lokuqinisa kufanele libe liphansi

Izinga lokushisa eliqandayo liphansi: indawo yokubanda yesipholile iphansi, ngaphandle kwalokho isipholile sibanda ku-evaporator futhi asikwazi ukuzuliswa.

6.Isipholisa segesi sincane kunomthamo

Umthamo othize wesipholisi segesi mncane: uma umncane umthamo othize wesipholisi segesi, ngcono, umthamo omncane we-compressor unganciphisa izindleko, futhi ipayipi lokudonsa kanye nepayipi lokukhipha kungasebenzisa ipayipi elincane lokusabalalisa okupholisayo.

7.Isipholisa samanzi sinomthamo omkhulu

Uma kuphezulu ukuminyana kwesipholisa uketshezi, kuyanda ukuminyana kwesipholisi esiwuketshezi, ipayipi lingaba lincane.

8.Incibilika emafutheni ayiqhwa

Incibilika emafutheni ayiqhwa:Incibilika kuwoyela oyiqhwa: uhlelo aludingi ukufaka isihlukanisi sikawoyela.

9.Ukuzinza kwamakhemikhali

Ukuqina kwamakhemikhali: izinga lokushisa lokuhwamuka lizohluka ngokushintsha kwezinga lokushisa, njengokushisa kokuhwamuka komshini wamanzi e-ice ngu-0 ~ 5 ℃, kubanda ohlelweni lomjikelezo wesiqandisi, imidiya ebandayo ishintsha kuphela ngokomzimba, ngaphandle kokushintsha kwamakhemikhali, hhayi ukubola.

10.Akukho ukugqwala

Ukushisa okucashile kokuhwamuka kukhulu: akugqwali ensimbi nasensimbi, futhi i-ammonia igqwala ibe yithusi.Ukufakwa kahle, ngaphandle kwalokho kuzobhubhisa i-compressor motor insulation, ngakho-ke i-ammonia akufanele isetshenziswe ku-compressor evaliwe, ukuze ugweme ukuthintana ngqo. ngekhoyili yethusi.

11.Ayiyona - enobuthi engashi ayiqhumi

12.Ungalimazi imvelo