Bigiye gushya kubona izindi firigo zo mu gisekuru cya kabiri n'icya gatatu!
Ku ya 15 Nzeri 2021, "Ivugurura rya Kigali ku masezerano ya Montreal ku bintu bigabanya urwego rwa ozone" ryatangiye gukurikizwa mu Bushinwa. Dukurikije "Amasezerano ya Montreal", HCFC yo mu gisekuru cya kabiri izahagarara gukoreshwa mu 2030. Iri vugurura risaba ko mu 2050, ikoreshwa rya HFC ku isi rizagabanukaho hafi 85%.
Iki ni igikorwa cy'ingenzi mu gikorwa cyo guhagarika ikoreshwa rya firigo, kandi gitanga ikimenyetso gikomeye cya politiki cy'uko umuryango mpuzamahanga wiyemeje guhagarika ikoreshwa rya HFC.
Muri icyo gihe, hamwe n’ishyirwaho ry’intego yo mu gihugu ya "dual-carbon" no gushyira mu bikorwa buhoro buhoro politiki yo kugenzura HFCs zo mu gisekuru cya gatatu zikoreshwa muri firigo, ni ngombwa kwiga HCFC, ibintu bisimbura HFCs n’ikoranabuhanga rijyanye na byo.
Iyi firigo yinjiye mu gihe cy'agaciro gake ka GWP, kandi ikibazo cyo gushya ntigishobora kwirengagizwa!
Muri rusange, gukoresha firigo zishobora gushya zifite agaciro ka GWP gake kugira ngo zisimbuze HCFC n'indi myuka irimo fluorine bifatwa nk'igisubizo cyiza kandi gihendutse. Ariko, ubushakashatsi bwagaragaje ko firigo gakondo zidakunze kuzuza ibisabwa byose bya firigo mu gihe kizaza kugira ngo habeho GWP nke, umutekano, imikorere ya thermodynamic n'imikorere y'ibidukikije icyarimwe.
Mu yandi magambo, agaciro kenshi ka GWP gake gashobora gushya!
Ihame ry’igihugu "Uburyo bwo Gupima Imibare ya Refrigerant n'Ishyirwa mu Bice by'Umutekano" GB/T 7778-2017 rigabanya uburozi bw'ibikoresho bikonjesha mu cyiciro cya A (uburozi buke budakira) na B (uburozi budakira bwinshi), kandi ubushyuhe bushyirwa mu cyiciro cya 1 (Nta gukwirakwiza umuriro), Icyiciro cya 2L (bishoboka gake), Icyiciro cya 2 (bishoboka), na Icyiciro cya 3 (bishobora gushya no guturika). Dukurikije GB/T 7778-2017, umutekano w'ibikoresho bikonjesha ugabanyijemo ibyiciro 8, aribyo: A1, A2L, A2, A3, B1, B2L, B2, na B3. Muri byo, A1 ni yo yizewe kandi B3 ni yo iteje akaga cyane.
Ni gute wakoresha firigo ya A2L HFO mu buryo bwizewe kandi neza?
Nubwo ibikoresho bikonjesha mu rugo, ibikoresho bikonjesha mu rugo n'ibindi bikoresho bikonjesha byageragejwe kugira ngo birebe ko bikora neza mu ruganda, agaciro k'ikiguzi cyabyo karagaragazwa. Ariko, ibikoresho byinshi binini bikonjesha mu rugo n'ibikoresho bikonjesha mu nganda bigomba kuzuzwa ibikoresho bikonjesha mu rugo, kimwe n'ibikoresho bikonjesha mu rugo, ibikoresho bikonjesha, ububiko bukonjesha, nibindi mu gihe cyo kubungabunga.
Byongeye kandi, bitewe n'ubwoko butandukanye bwa evaporateurs zikoreshwa mu bikoresho bimwe na bimwe, charge ya refrigerant iratandukanye. Uretse aho ikorerwa no kuyishyira, bitewe n'imiterere mike, abakozi benshi bashinzwe kuyitunganya batanga charge kuri refrigerant bitewe n'uburambe. Byongeye kandi, inganda nazo zifite ikibazo cyo gutwika kwa refrigerant.
Hashingiwe kuri ibi, Chemours yatangije R1234yf, R454A, R454B, R454C n'ibindi bikoresho bikonjesha bya A2L bidashya cyane, kandi byiyemeje guteza imbere imiterere y'ibikoresho n'amahugurwa azwi ya siyansi kugira ngo bikemure ibibazo byo gushya.
Urwego rw'umutekano rwa A2L rufite imiterere y'uburozi buke (A) no kudashya cyane (2L). Imashini nyinshi zo muri firigo za A2L HFO zifite imikorere myiza n'imiterere mike ya GWP, kandi ni nziza ku zindi za HFC refrigerants zabanje. Ibicuruzwa bya A2L ntibikoreshwa cyane ku isoko mpuzamahanga gusa, ahubwo n'ibigo byinshi byo mu gihugu byihutishije umuvuduko wo kuvugurura no kwinjiza ubu bwoko bushya bwa refrigerant mu bikorwa byo gukora. Urugero, Johnson Controls ikoresha Oteon™ XL41 (R-454B) muri York ® YLAA scroll cooler yayo ku isoko ry'i Burayi; Carrier kandi ihitamo R-454B (ni ukuvuga ko nk'imashini yayo yo muri firigo ifite GWP nkeya, Carrier izakoresha R-454B mu bikoresho byayo bya HVAC byo mu rugo no mu bucuruzi byoroheje bigurishwa muri Amerika y'Amajyaruguru guhera mu 2023. Simbuza R-410A.
Igihe cyo kohereza: 23 Ukwakira 2021