Difluoromethane-1 Yemhando Yepamusoro iri kutengeswa
Pfupiso yeChigadzirwa
Zita reKemikari: Difluoromethane
Nhamba yeCAS: 75-10-5
Fomura yeMolecular: CH₂F₂
Kurema kweMorekuru: 52.02 g/mol
Zita Rinozivikanwa: R-32 (semuchina wekuisa mufiriji)
Difluoromethane (R-32) ihydrofluorocarbon (HFC) isina ruvara, haina chepfu, uye inobvira zvishoma ine simba rekupisa rakanaka. Semuchina wekuchengetedza zvakatipoteredza, wave chinhu chakakosha pane zvechinyakare zvemafiriji ane GWP (Global Warming Potential), anozivikanwa zvakanyanya nekushanda kwayo zvakanaka, kuchengetedzeka, uye hushamwari kune zvakatipoteredza.
Zvimiro Zvikuru
| Pfuma | Tsanangudzo | Zvakanakira |
| Pokufashaira (pa 1 atm) | -51.6°C (-60.9°F) | Inogonesa kutamisa kupisa zvinobudirira mukushandiswa kwetembiricha yakaderera |
| GWP (Kukwanisa Kupisa Kwenyika, Makore 100) | 675 | Zvakaderera zvakanyanya pane R - 410A (GWP = 2088) uye R - 22 (GWP = 1810), zvichideredza kukanganiswa kwecarbon |
| ODP (Kugona Kuderedza Ozone) | 0 | Hazvina kukuvara kwe ozone layer, zvichitevedzera mitemo yepasi rose yezvakatipoteredza (semuenzaniso, Montreal Protocol) |
| Kupisa Kwakakosha | 78.1°C (172.6°F) | Yakakodzera ma air conditioner uye ma heat pombi system anoshanda munzvimbo dzine tembiricha iri pakati nepakati kusvika pakakwirira |
| Kupisa | Inobvira zvishoma (A2L classification paASHRAE 34) | Yakachengeteka kune akawanda maapplication ekugara uye ekutengeserana nekugadzirwa kwakakodzera |
| Kufambisa kwekupisa | Yakakwira (iri nani pane R - 410A) | Inovandudza kushanda zvakanaka kwekutonhodza/kudziyisa, ichideredza kushandiswa kwesimba remidziyo |
Maitiro Akajairika
R-32 inoshandiswa zvakanyanya muzvikamu zvakasiyana-siyana zvemaindasitiri nevatengi nekuda kwekushanda kwayo kwepamusoro uye mabhenefiti ayo ezvakatipoteredza:
Mhepo Inotonhodza Dzimba Dzekugara Nedzekutengesa: Sechinhu chikuru chinotonhodza chando chemhando yeakapatsanurwa, maAC epamahwindo, uye masisitimu eVRV (Variable Refrigerant Volume). Inotsiva R-410A mumidziyo mitsva, ichideredza kushandiswa kwesimba ne10-15%.
Mapombi ekupisa: Akanakira mapombi ekupisa anobva mumhepo (ASHPs) uye mapombi ekupisa anobva mumvura (WSHPs), zvichipa simba rekupisa rakagadzikana kunyangwe patembiricha yakaderera (-10°C kusvika 5°C).
Masisitimu eRefrigeration: Anoshandiswa mumafiriji madiki kusvika pakati nepakati, mumabhokisi ekuratidzira, uye mumayunitsi ekuchengetera zvinhu zvinotonhora, zvichiita kuti kutonhora kushande zvakanaka pasina kukanganisa zvakanyanya zvakatipoteredza.
Zvinhu Zvinofuridza Furo: Mune mamwe maitiro emaindasitiri, R-32 inoshanda senzira yekufuridza furo rakasimba repolyurethane, ichivandudza hunhu hwekudzivirira furo.
Kugadzira Organic: Inoshanda sechinhu chisina kugadzirwa mukugadzira makemikari ane fluorine, kusanganisira mishonga uye mapolymers akakosha.
Kuchengetedzeka & Kutevedzera Mutemo
Mitemo Yekuchengetedza
Kubata: Dzivisa kusangana zvakananga neganda/maziso; shandisa magirovhosi ekudzivirira, magirazi ekudzivirira, uye midziyo yekufema munzvimbo dzisina mhepo yakakwana.
Kuchengetera: Chengeta munzvimbo inotonhorera, yakaoma, ine mhepo yakanaka kure nemoto wakashama, tembiricha yakakwira, uye zvinhu zvinooxidating oxidants. Shandisa midziyo yakavharwa, inodzivirira ngura (semuenzaniso, masirinda esimbi kana aruminiyamu).
Kutakurwa: Tevedzera mitemo yeUN yekutakura mafiriji (nhamba yeUN: 3252); iva nechokwadi chekuti masirindi akachengetedzwa zvakanaka uye ane mazita.
Kutevedzera Mutemo
Inosangana neASHRAE 34 standards (A2L safety classification).
Zvinoenderana neEU F-Gas Regulation (Regulation (EU) 2014/512), zvinoderedza kuburitswa kweF-gas uye zvinokurudzira dzimwe nzira dzekuderedza kuburitswa kweGWP.
Yakatenderwa nevagadziri vemidziyo mikuru (semuenzaniso, Daikin, Mitsubishi Electric, Gree) kuti ishandiswe mumhando dzavo dzeAC neheat pump.
Zvinonyanya Kukosha paSheti yeData reUnyanzvi (TDS)
| Paramita | Kukosha | Nzira Yekuyedza |
| Kuchena (miniti) | 99.9% | GC (Gas Chromatography) |
| Hunyoro (hwakanyanya) | 10 ppm | Karl Fischer Titration |
| Zviri muacid (zvakanyanya) | 0.1 ppm | Kupa Titration |
| Zvisaririra Zvisina Kuoma (zvakanyanya) | 10 mg/kg | Gravimetry |
| Kumanikidzwa kwemhepo (pa25°C) | 1.72 MPa | Chiyero cheDzvinyiriro |
Sei Tichifanira Kusarudza Difluoromethane Yedu (R-32)?
Kuchena Kwakanyanya: Kuchena kwakasimba kwe99.9% kunovimbisa kushanda zvakanaka kwemidziyo uye hupenyu hwebasa hurefu.
Inochengetedza Kuchengetedza Ruzivo: GWP yakaderera (675) inotsigira zvinangwa zvepasi rose zvekusashandisa kabhoni uye inosangana nemitemo yakasimba yezvakatipoteredza.
Inochengetedza Mari: Kushanda zvakanaka kwekupisa kunoderedza mari yemagetsi kune vanoshandisa magetsi, nepo kugona kwedu kupa magetsi akawanda kuchideredza mari yekutenga.
Rutsigiro Rwepasi Pose: Tinopa mazano ehunyanzvi, kudzidziswa kwekuchengetedza, uye kutumira zvinhu nenguva kuvatengi pasi rese, tiine zvitupa zvinosanganisira ISO 9001 neREACH.
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