R134a chinhu chekare here? Ndeipi gasi remota air conditioner yekusarudza? Ndeipi mitengo yemafiriji?

Iyo mota air conditioner ndeimwe yezvakagadzirwa zvakaunza mabhenefiti akawanda kana zvasvika pakutyaira kunyaradza. Vatyairi vazhinji havachafungidziri kutyaira vasina mudziyo uyu. Kushanda kwaro kunobva pakuvapo kwechimwe chinhu chinoshandura kutonhora kwemhepo inopiwa. Pakutanga, yaive r134a firiji. Ndeipi refrigerant yemota air conditioner iri kushandiswa parizvino?

Air conditioner refrigerant - nei ichidiwa?

Nheyo yekushanda kwemhepo inotonhora system mumotokari iri nyore. Nekubatsirwa kwe compressor, condenser, dryer, expander uye evaporator, iyo gasi mukati inomanikidzwa uye inobudiswa. Nekuda kweizvi, zvinokonzeresa shanduko mukupisa kwemhepo inopinda mukamuri yevafambi. Zvinonzwisisika kuti refrigerant ye air conditioner inofanirwa munyaya iyi yekushanda kwehurongwa hwose. Pasina iyo, basa rezvikamu zvose ringadai risina maturo.

R134a refrigerant - nei isisiri kushandiswa? 

Parizvino, r134a yakashandiswa mumhepo inofefetera masisitimu. Zvisinei, mamiriro acho ezvinhu akachinja apo chisarudzo chakaitwa kuderedza kukanganisa kwemotokari kune zvakasikwa. Iwe unofanirwa kuziva kuti kwete chete magesi emhepo anokuvadza kune zvakasikwa, asiwo makemikari anoshandiswa kutonhora. Nokudaro, kubva musi waJanuary 1, 2017, mafiriji ane imwe nhamba yeGWP, iyo isingapfuuri 150, inofanira kushandiswa mumotokari. Chii chingataurwa pamusoro pechiratidzo ichi?

Chii chinonzi GGP?

Nyaya yakatanga anopfuura makore makumi maviri apfuura muna 20 muguta reJapan reKyoto. Yaiva ipapo iyo vatsvakurudzi vakagumisa kuti kusunungurwa kwezvinhu zvinokuvadza mumhepo kunofanira kuderedzwa nokukurumidza. Gare gare GVP (Gen. Global warming potential), iyo yakaratidza kukuvadza kwezvinhu zvose zvezvisikwa. Iyo yakakwirira mwero wayo, inowedzera kuparadza kune zvakatipoteredza. Panguva iyoyo, iyo r134a gasi yakashandiswa yakaratidza kuti haienderane zvachose nemirairo mitsva. Zvinoenderana nechiratidzo chitsva, ine GWP ye1430! Izvi zvakabvisa zvachose kushandiswa kwe r134a refrigerant mumotokari air conditioners. 

Chii chinotsiva r134a refrigerant?

Mumwe wenhengo dzesangano reVDA (German. Automotive Industry Association). Akaita thesis yakashinga kuti CO yaizova mhinduro huru.₂sechinhu chitsva chinopisa mhepo. Pakutanga, chikumbiro ichi chakagamuchirwa nechido, kunyanya sezvo chinhu ichi chiri icho chinogadzirisa chepamusoro cheGWP chiyero uye chine chiyero che 1. Mukuwedzera, inodhura uye inowanikwa nyore nyore. Nyaya yacho, zvisinei, yakazozendamira ichifarira HFO-1234yf ine GWP ye4. 

Chii chakawanikwa pamusoro pefiriji inofefetera iyi?

Kushingairira kunokonzerwa nekuderera wKukanganisa kwezvakatipoteredza kwemumiririri mutsva kwakakurumidza kupera. Sei? Sobering laboratory bvunzo dzakataurwa dzichiratidza kuti kupisa kwechinhu ichi kunoburitsa muchetura wehydrogen fluoride. Kubata kwayo pamuviri wemunhu kwakanyanyisa. Muchidzidzo chemoto chemoto chinodzorwa, air conditioning refrigerant HFO-1234yf yakashandiswa pamwe chete nevanodzima moto. Somugumisiro, hydrofluoric acid inoumbwa. Iine zvinhu zvinogona kukanganisa zvakanyanya matishu evanhu uye kuita kuti apise. Uyezve, iyo pachayo inonyatso kuputsa aluminium, zinc uye magnesium. Nokudaro, chinhu chine ngozi zvikuru kuvanhu.

Mhedzisiro yekuyeuka kweR134a

Iyo nyowani mota inofefetera mhepo inozadza mumiriri zvechokwadi yakanyanya kushamwaridzana nharaunda pane r134a gasi. Nekudaro, apa ndipo panopera mabhenefiti eiyi air conditioning factor. Nei ungadaro? Chekutanga pane zvese, iyo yekare air conditioner refrigerant yaive ne autoignition tembiricha ye770^oC. Naizvozvo, inonzi isingabatiki moto. Mukupesana, iyo parizvino inoshandiswa HFO-1234yf inobatidza pa405^oC, zvichiita kuti ive pedyo nekupisa. Hazvina kuoma kufungidzira kuti ndezvipi migumisiro iyo izvi zvinogona kukonzera muchiitiko chekudhumhana uye moto.

Mutengo weR134a uye mutengo wemafiriji matsva eA/C 

Mutengo wefiriji yeair conditioner wakakosha kune vatyairi vazhinji. Inofanira kunge yakachipa, inokurumidza uye yepamusoro. Kazhinji zvinhu zvitatu izvi hazvibatane mukugadziriswa kwese. Uye, zvinosuruvarisa, kana zvasvika kune iyo air conditioning factor, yakafanana. Kana pakutanga mutengo we r134a chinhu chakaderera, ikozvino chinhu chemhepo chinopisa chinenge chakapetwa ka10 kudhura! Izvi, zvechokwadi, zvinoratidzwa mumitengo yekupedzisira. Vamwe vatyairi vanokundikana kunzwisisa idi rokuti vanofanira kubhadhara yakawanda zvikuru nokuda kwebasa rimwe chetero sezvavakaita makore mashomanene apfuura.

Ndechipi chikonzero chemutengo wepamusoro wefiriji yeair conditioners?

Semuenzaniso, chokwadi chekuti maworkshops anomanikidzwa kushandura midziyo yavo inokanganisa kuwedzera kwemutengo weair conditioning. Uye izvi, zvechokwadi, zvinoda mari. Zvinoguma nei? Sevhisi yakatenderwa inotarisira huwandu hwe600-80 euros yekuwedzeredza iyo air conditioner. 

Ndichiri kuzadza ne r134a gasi here?

Iri idambudziko riri kurova indasitiri yemotokari zvakanyanya. Kutengeserana zvisiri pamutemo mur134a kunoitika. Inofungidzirwa kuti akawanda maworkshops achiri kuishandisa, nekuti kune mota zhinji mumigwagwa yePoland ine masystem ekugadzirisa mhepo asina kuchinjirwa kune itsva HFO-1234yf chinhu. Uyezve, kazhinji mumiriri wekare wekufemesa mhepo anobva kune zvisiri pamutemo, pasina mvumo uye zvitupa, izvo zvinogadzira imwe njodzi yekushandisa zvigadzirwa zvisingazivikanwe kwakabva mumotokari yako.

Ndeipi gasi remota air conditioner yekusarudza?

Mugariro wacho unoratidzika kuva mugumo wakafa. Kune rimwe divi, kugadzirisa uye kuzadzazve sisitimu negasi nyowani kunodhura mazana ezlotys. Nekune rumwe rutivi, air conditioner yakapinzwa kunze zvisiri pamutemo isingazivikanwe kwakabva. Chii chaungaita mumamiriro ezvinhu aya? Kana iwe uine motokari itsva uye iyo yose yemhepo-inotonhorera system yakavharwa, saka iwe unofanira kufara. Iwe hausi kutarisana nemari yakawanda yekuwedzera kune system, chete kugadzirisa. R134a gasi haichabvumiri kushandiswa kwepamutemo kwemhepo inogadzirisa, asi imwe nzira inofadza inoramba iripo - carbon dioxide. 

Cheap uye zvakatipoteredza refrigerant for air conditioners, i.e. R774.

Chinhu chine zita R774 (iyi ndiyo brand CO₂) inzira yakachipa uye inoshamwaridzana nemhepo yekufemesa. Pakutanga, izvi zvakatorwa muzvidzidzo. Ehe, kugadzira musangano nerudzi urwu rwechishandiso kazhinji kunodhura makumi ezviuru zvezlotys, asi zvinokutendera kuti udzikise zvakanyanya mutengo wekuwedzera uye kuchengetedza mhepo inofefetera. Mutengo wekugadzirisa sisitimu kuR774 haifanire kudarika makumi mashanu euros, inova yechokwadi muripo wenguva imwe chete kana uchienzaniswa neanogara achisevha.

Gasi rezvakatipoteredza rekugadzirisa mhepo yemotokari, i.e. propane

Imwe pfungwa yakabva kuAustralia vanoshandisa propane kupa simba maair conditioner. Igasi rezvakatipoteredza, zvisinei, senge HFO-1234yf, rinopisa zvakanyanya. Panguva imwecheteyo, iyo air conditioner haidi chero shanduko yekushanda pane propane. Nekudaro, iyo yakanakira pamusoro payo ndeyekuti haina-chepfu uye haikonzeri shanduko dzakakura kudaro kana yaputirwa kana kuputika. 

Kwaenda macheki akachipa eair conditioner uye achizadza nechinhu r134a (zviri pamutemo). Ikozvino chasara kumirira imwe mhinduro inozoshandura mirairo iripo uye inoratidza inotevera nzira yeindasitiri yemotokari. Semutengi, iwe ungada kufunga nezvedzimwe nzira kana kushandura kune yekare yakaratidza nzira, i.e. mahwindo akazaruka.