Difluoromethane
Incamake y'ibicuruzwa
Izina ry'ubutabire: Difluoromethane
Nimero ya CAS: 75-10-5
Formula ya Molecular: CH₂F₂
Uburemere bwa molekile: 52.02 g/molekile
Izina risanzwe: R-32 (nk'icyuma gikonjesha)
Difluoromethane (R-32) ni hydrofluorocarbon (HFC) itagira ibara, ntigira uburozi, kandi ishobora gushya gato, ifite ubushobozi bwo gushyuha cyane. Nk'igikoresho gishya cyo muri firigo kidakoresha ibidukikije, cyabaye ikindi gikoresho cy'ingenzi kuruta ibikoresho bisanzwe byo muri firigo bifite GWP nyinshi (Global Warming Potential), bizwi cyane kubera uburinganire mu mikorere myiza, umutekano, no kubungabunga ibidukikije.
Imiterere y'ingenzi
| Umutungo | Ibisobanuro | Akamaro |
| Aho kubira (kuri 1 atm) | -51.6°C (-60.9°F) | Bifasha kohereza ubushyuhe neza mu buryo buciriritse |
| GWP (Ubushobozi bwo gushyuha kw'isi, imyaka 100) | 675 | Hasi cyane ugereranyije na R - 410A (GWP = 2088) na R - 22 (GWP = 1810), bigabanya ubwinshi bwa karuboni |
| ODP (Ubushobozi bwo Kugabanya Ozone) | 0 | Nta kwangirika kw'urukuta rwa ozone, bikurikije amategeko mpuzamahanga agenga ibidukikije (urugero, Amasezerano ya Montreal) |
| Ubushyuhe bukabije | 78.1°C (172.6°F) | Bikwiriye uburyo bwo gukonjesha no gushyushya bukoresha ikirere mu bushyuhe buri hagati cyangwa hejuru. |
| Ubushyuhe | Ishobora gushya gato (Icyiciro cya A2L kuri ASHRAE 34) | Ifite umutekano ku bikorwa byinshi byo mu ngo no mu bucuruzi hamwe n'igishushanyo mbonera gikwiye. |
| Ubushobozi bwo gutwara ubushyuhe | Hejuru (biruta R - 410A) | Yongera ubushobozi bwo gukonjesha/gushyushya, ikagabanya ikoreshwa ry'ingufu ry'ibikoresho |
Porogaramu zisanzwe
R-32 ikoreshwa cyane mu nzego zitandukanye z'inganda n'abaguzi kubera imikorere yayo myiza n'inyungu zayo ku bidukikije:
Konjesha yo mu rugo n'ubucuruzi: Nk'igikoresho cy'ibanze gikonjesha ku bikoresho bya AC, AC zo mu madirishya, na VRV (Variable Refrigerant Volume). Isimbura R-410A mu bikoresho bishya, igabanya ikoreshwa ry'ingufu ho 10-15%.
Pompo zishyushya: Ni nziza ku pompo zishyushya zikoresha umwuka (ASHPs) n'ipompo zikoresha amazi (WSHPs), zitanga ubushyuhe buhamye nubwo haba hari ubushyuhe buke (-10°C kugeza 5°C).
Sisitemu zo Gukonjesha: Zikoreshwa muri firigo ntoya kugeza ku ziciriritse, mu dusanduku two kwerekana ibintu, no mu bubiko bukonjesha, bigatuma ubukonje bukonja neza kandi budatera ingaruka mbi ku bidukikije.
Ibintu Bikoreshwa mu Gutemba Ifuro: Mu nganda zimwe na zimwe, R-32 ikora nk'ibikoresho bikoreshwa mu gutemba ifuro rya polyurethane rikomeye, ikanoza ubushobozi bwo gukingira ifuro.
Gukora Organic Synthesis: Bikoreshwa nk'ibikoresho fatizo mu gukora imiti irimo fluorine, harimo imiti na polymeri zidasanzwe.
Umutekano no Kuyubahiriza
Amabwiriza y'umutekano
Gufata: Irinde gukora ku ruhu/amaso; koresha uturindantoki, indorerwamo z'indorerwamo, n'ibikoresho byo guhumeka ahantu hadafite umwuka mwiza.
Kubika: Bika ahantu hakonje, humutse, kandi hari umwuka mwiza kure y'inkongi z'umuriro, ubushyuhe bwinshi, n'ibintu bigabanya ubushyuhe. Koresha ibikoresho bifunze kandi bidashobora kwangirika (urugero: silindari z'icyuma cyangwa aluminiyumu).
Ubwikorezi: Kuzuza amabwiriza ya Loni yo gutwara ibintu bikonjesha (nomero ya Loni: 3252); kugenzura neza ko silindiri zifunze neza kandi zifite ikirango.
Iyubahirizwa ry'amategeko
Yujuje ibipimo ngenderwaho bya ASHRAE 34 (ishyirwa mu byiciro by’umutekano bya A2L).
Ikurikije amabwiriza agenga ibyuka bihumanya ikirere bya F-Gas (EU) 2014/512, igabanya imyuka ihumanya ikirere ya F-Gas no guteza imbere ubundi buryo bwo gukoresha GWP nke.
Byemejwe n’inganda zikomeye zikora ibikoresho (urugero: Daikin, Mitsubishi Electric, Gree) kugira ngo bikoreshwe mu bikoresho bigezweho bya AC na pump zishyushya.
Incamake y'amakuru ya tekiniki (TDS)
| Igipimo | Agaciro | Uburyo bwo Gupima |
| Ubuziranenge (iminota) | 99.9% | GC (Gas Chromatography) |
| Ingano y'ubushuhe (ntarengwa) | 10 ppm | Karl Fischer afite ipeti rya Titration |
| Ingano ya aside (ntarengwa) | 0.1 ppm | Igabanywa ry'ibiciro |
| Ibisigazwa bidahinduka (ntarengwa) | 10 mg/kg | Gravimetri |
| Umuvuduko w'umwuka ushyushye (kuri 25°C) | 1.72 MPa | Igipimo cy'umuvuduko |
Kuki twahitamo Difluoromethane yacu (R-32)?
Ubuziranenge Buhanitse: Ubuziranenge buhoraho bwa 99.9% butuma ibikoresho bikora neza kandi bigakomeza gukora neza.
Birinda ibidukikije: GWP nke (675) ishyigikira intego mpuzamahanga zo kutagira karuboni ikoreshwa mu kugabanya karuboni kandi ikubahiriza amabwiriza akaze agenga ibidukikije.
Kugabanya ikiguzi: Gukoresha neza ubushyuhe bigabanya ikiguzi cy’ingufu ku bakoresha, mu gihe ubushobozi bwacu bwo gutanga ibicuruzwa byinshi bugabanya ikiguzi cyo kugura.
Inkunga ku Isi: Dutanga inama mu bya tekiniki, amahugurwa ku mutekano, no gutanga serivisi ku gihe ku bakiriya ku isi yose, hamwe n’ibyemezo birimo ISO 9001 na REACH.
Twandikire
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