Kodi ma hydrocarbon (HCs) ndi chiyani

Ma hydrocarbon (HCs) ndi zinthu zopangidwa ndi maatomu a haidrojeni omangika ku maatomu a kaboni. Zitsanzo ndi methane (CH4), propane (C3H8), propene (C3H6, yomwe imadziwikanso kuti propylene) ndi butane (C4H10).

Zonsezi ndi zoyaka komanso zopanda poizoni malinga ndi gulu la chitetezo la ASHRAE 34: gulu lawo lachitetezo ndi A3, ndi "A" kutanthauza "kawopsedwe kakang'ono" ndi "3" kutanthauza "kuyaka kwambiri".

 

 

Ubwino wa ma HC ngati mafiriji

Pali zabwino zitatu:

Kutsika kwa kutentha kwa dziko

Ma HC ali ndi kuthekera kochepa kwambiri kwa kutentha kwapadziko lonse, Chifukwa chake amathandizira kuchepetsa CO₂utsi ngati tigwiritsa ntchito ma hydrocarbons ngati firiji.

Mothandiza anachokera ku chilengedwe

Ma HC amachotsedwa m'nthaka, komanso mafuta. Zosungira zawo pa Dziko Lapansi ndi zazikulu. Ndipo ndizosavuta kuzijambula, komanso, mtengo wawo ndi wotsika kuposa wa mafiriji ena opangira.

Kuchita bwino kwa refrigerant

 Ma HC amagwira ntchito bwino kuzirala/kutenthetsa ngati firiji kuposa enawo. M'malo mwake, kutentha kwawo kobisika kwa vaporization ndikokwera kuwirikiza kawiri kuposa mafiriji ena opangira, zomwe zikutanthauza kuzizira / kutentha kwakukulu komwe kumatuluka mufiriji.

 Kupititsa patsogolo mphamvu zamagetsi

Kafukufuku waposachedwa akuwonetsa kuti kusamuka kuchokera ku HFC R404A kupita kufiriji yachilengedwe R290, pafupifupi, kumatha kuloleza kuwongolera kwa 10 peresenti pakupulumutsa mphamvu.

Bwino matenthedwe ulamuliro mokomera kompresa

Mofanana ndi mafiriji achilengedwe, pali zophatikiza zatsopano zopangira zomwe zikupezeka pamsika ndi GWP yotsika, yomwe imadziwikanso kuti A2Ls. Gome (chithunzi) limasonyeza mfundo zazikulu zomwe ziyenera kuganiziridwa pofika pa chisankho. Chimodzi mwazinthuzi ndiulamuliro wamafuta, womwe umakhala bwino mufiriji zachilengedwe, kutanthauza kuti sichiwotcha kompresa monga ma A2L. Mbali imeneyi imathandizira kuti mphamvu yamagetsi ikhale yodalirika komanso yodalirika ya compressor.