Difluoromethane a wɔde yɛ aduru
Nneɛma a Wɔyɛ no Ho Nsɛm
Nnuru Din: Difluoromethane
CAS Nnɔmba: 75-10-5
Molekyul Nsusuwii: CH2F2
Molekyul Mu duru: 52.02 g/mol
Edin a Wɔtaa De Di Dwuma: R-32 (sɛ ade a wɔde yɛ frigye)
Difluoromethane (R-32) yɛ hydrofluorocarbon (HFC) a enni kɔla, awuduru nnim, na ɛyɛ hyew kakra a ɛyɛ adwuma yiye wɔ ɔhyew mu. Sɛ́ awo ntoatoaso a edi hɔ no frigye a ɛnyɛ nea ɛmma nneɛma a atwa yɛn ho ahyia no, abɛyɛ ade titiriw a wɔde besi frigye a ɛwɔ GWP kɛse (Global Warming Potential) ananmu, a wogye tom kɛse sɛ ɛkari pɛ wɔ sɛnea ɛyɛ adwuma yiye, ahobammɔ, ne nneɛma a atwa yɛn ho ahyia ho
Agyapade Titiriw
| Agyapadeɛ | Nsɛm a Wɔakyerɛkyerɛ mu | Animkɔ kwan |
| Boiling Point (wɔ 1 atm mu) . | -51.6°C (-60.9°F) na ɛwɔ hɔ. | Ɛma ɔhyew a ɛkɔ baabiara a etu mpɔn wɔ low - temperature applications mu |
| GWP (Wiase Nyinaa Ɔhyew Ho Tumi, 100 - afe) . | 675 na ɛwɔ hɔ | Ɛba fam kɛse sen R - 410A (GWP = 2088) ne R - 22 (GWP = 1810), na ɛtew carbon footprint so |
| ODP (Ozone a Ɛbɛtumi Asɛe) . | 0 | Ozone a ɛwɔ hɔ no nsɛe koraa, a ɛne amanaman ntam nneɛma a atwa yɛn ho ahyia ho mmara hyia (sɛ nhwɛso no, Montreal Protocol) . |
| Ɔhyew a Ɛho Hia | 78.1°C (172.6°F) na ɛyɛ hyew. | Ɛfata ma mframa a wɔde yɛ adwuma ne ɔhyew pɔmpɛ nhyehyɛe a ɛyɛ adwuma wɔ mmeae a ɛhɔ yɛ hyew a ɛkɔ fam kosi nea ɛkorɔn |
| Ogya a ɛtumi hyew | Ogya tumi hyew kakra (A2L nkyekyem sɛnea ASHRAE 34 kyerɛ) . | Ahobammɔ ma atrae ne aguadi mu nneɛma dodow no ara a wɔayɛ no yiye |
| Ɔhyew a Ɛma Nneɛma Kɔ Mu | Ɔsoro (eye sen R - 410A) . | Ɛma onwini/ɔhyew a ɛyɛ adwuma yiye no yɛ kɛse, ɛtew ahoɔden a wɔde di dwuma wɔ nnwinnade mu no so |
Nnwuma a Wɔtaa De Di Dwuma
Wɔde R-32 di dwuma kɛse wɔ mfiridwuma ne adetɔfo nnwuma ahorow mu esiane ne adwumayɛ a ɛkorɔn ne mfaso a ɛwɔ so wɔ nneɛma a atwa yɛn ho ahyia so nti:
Residential & Commercial Air Conditioning: Sɛ́ frigye titiriw a wɔde yɛ AC unit ahorow a wɔapaapae mu, mfɛnsere AC ahorow, ne VRV (Variable Refrigerant Volume) nhyehyɛe ahorow. Ɛsesa R-410A wɔ nnwinnade foforo mu, na ɛtew ahoɔden a wɔde di dwuma so 10-15%
Ɔhyew Pɔmpɛ: Ɛyɛ papa ma ɔhyew pɔmpɛ a efi mframa mu (ASHP) ne ɔhyew pɔmpɛ a efi nsu mu (WSHP), a ɛma ɔhyew a ɛyɛ den ma wɔ ɔhyew a ɛba fam mpo mu (-10°C kosi 5°C).
Frigye Nhyehyɛe: Wɔde di dwuma wɔ frigye nketewa kosi akɛse, nneɛma a wɔde kyerɛ, ne nneɛma a wɔde sie awɔw mu, na ɛma ɛyɛ nwini yiye a ɛnsɛe nneɛma a atwa yɛn ho ahyia kɛse
Nneɛma a Ɛbɔ Foam: Wɔ mfiridwuma mu nneɛma bi mu no, R-32 yɛ adwuma sɛ ade a ɛbɔ polyurethane foam a ɛyɛ den, na ɛma foam a ɛbɔ ho ban no tu mpɔn
Organic Synthesis: Ɛyɛ ade a wɔde yɛ nnuru a wɔde fluorine ayɛ, a nnuru ne polymers soronko ka ho.
Ahobammɔ & Mmara sodi
Ahobammɔ Ho Akwankyerɛ
Sɛnea Wodi ho dwuma: Kwati sɛ wobɛka honam ani/aniwa tẽẽ; fa nsateaa a ɛbɔ ho ban, ahwehwɛ a wɔde hwɛ ade, ne nneɛma a wɔde home di dwuma wɔ mmeae a mframa ntumi nkɔ mu
Fa sie: Fa sie baabi a ɛhɔ yɛ nwini, ɛhɔ yɛ kusuu, na mframa pa fa mu a ogyaframa a ɛbue, ɔhyew a ɛkɔ soro, ne nneɛma a ɛma mframa bɔ kɛse. Fa nkuku a wɔatoto mu a ɛrentumi nsɛe (sɛ nhwɛso no, dade anaa aluminium cylinders) di dwuma
Nneɛma a wɔde fa nneɛma: Di UN mmara a ɛfa frigye a wɔde fa nneɛma ho no so (UN nɔma: 3252); hwɛ hu sɛ wɔabɔ cylinder ahorow no ho ban yiye na wɔakyerɛw so
Mmara a Wodi So
Ɛdu ASHRAE 34 gyinapɛn (A2L ahobanbɔ nkyekyɛmu) ho
Ɛne EU F-Gas Mmara (Mmara (EU) 2014/512) hyia, ɛto F-gas a wɔtow gu no ano hye na ɛhyɛ akwan foforo a GWP sua ho nkuran
Wɔn a wɔyɛ nnwinnade atitiriw (sɛ nhwɛso no, Daikin, Mitsubishi Electric, Gree) apene so sɛ wɔmfa nni dwuma wɔ wɔn AC ne ɔhyew pɔmpɛ mfonini ahorow a aba foforo mu
Mfiridwuma ho Nsɛm Krataa (TDS) Nsɛntitiriw
| Parameter a wɔde kyerɛ | Boɔ | Ɔkwan a Wɔfa so Sɔ Sɔhwɛ |
| Ahotew (min) . | 99.9% na ɛwɔ hɔ. | GC (Mframa a Wɔde Yɛ Nneɛma) . |
| Nsuo a ɛwɔ mu (max) . | 10 ppm na ɛwɔ hɔ | Karl Fischer Titration a Wɔde Kyerɛw Nsɛm |
| Acid a ɛwɔ mu (max) . | 0.1 ppm na ɛwɔ hɔ | Titration a wɔde hyɛ mu |
| Nneɛma a Ɛnyɛ - Nneɛma a Ɛyɛ Nwosow (max) . | 10 mg/kg na ɛyɛ | Nneɛma a ɛtwe ade ba fam ho adesua |
| Nsuo a Ɛyɛ Nhyew (wɔ 25°C) . | 1.72 MPa na ɛwɔ hɔ | Nhyɛso Nhwehwɛmu |
Dɛn Nti na Yɛpaw Yɛn Difluoromethane (R-32)?
Ahotew a Ɛkorɔn: Ahotew a ɛkɔ so daa 99.9% hwɛ hu sɛ mfiri no yɛ adwuma a ɛyɛ den na ɛyɛ adwuma tenten
Eco-Friendly: Low GWP (675) foa wiase nyinaa botae ahorow a ɛfa carbon a wɔmfa nni dwuma ho no akyi na edi nneɛma a atwa yɛn ho ahyia ho mmara a emu yɛ den so
Ɛka a Wɔbɔ: Ɔhyew a wɔde di dwuma yiye no ma ahoɔden ho ka so tew ma wɔn a wɔde di dwuma awiei no, bere a yɛn tumi a yɛde ma kɛse no brɛ ɛka a wɔbɔ wɔ nneɛma a wɔkra ho no ase
Wiase nyinaa Mmoa: Yɛde mfiridwuma ho afotu, ahobammɔ ho ntetee, ne nneɛma a wɔde kɔ bere ano ma adetɔfo wɔ wiase nyinaa, a adansedi ahorow a ISO 9001 ne REACH ka ho.
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