Ngingakwazi ukuhlanganisa i-Gif ne-G12 antifreeze?
I-Antifreeze G12 ne-G13. Uyini umehluko?
Uketshezi oluningi oluhloselwe ukusetshenziswa ezinhlelweni zokupholisa izimoto zesimanje luhlanganisa izingxenye ezintathu:
- i-dihydric alcohol eyisisekelo (i-ethylene glycol noma i-propylene glycol);
- amanzi agcobhoziwe;
- iphakethe lezithasiselo (anti-corrosion, protective, anti-foam, njll.).
Amanzi kanye notshwala be-dihydric benza ngaphezu kwama-85% evolumu ephelele yokupholisa. I-15% esele ivela ezithasiselweni.
Ama-antifreeze e-Class G12, ngokusho kwesigaba esimisiwe, anezigaba ezintathu: G12, G12 + kanye ne-G12 ++. Isisekelo sawo wonke uketshezi lwesigaba se-G12 siyafana: i-ethylene glycol namanzi acwecwe. Umehluko usezithasiselweni.
I-antifreeze ye-G12 inezithako ze-carboxylate (organic). Asebenza kuphela ukuvimbela ukugqwala kwe-foci futhi awakhi ifilimu evikelayo eqhubekayo, njengasekilasini le-G11 lokupholisa (noma i-antifreeze yasekhaya). Uketshezi lwe-G12+ kanye ne-G12++ lusebenza ngezindlela eziningi. Ziqukethe kokubili izithasiselo eziphilayo nezingezona eziphilayo ezikwazi ukwenza ifilimu evikelayo endaweni engaphezulu yesistimu yokupholisa, kodwa izacile kakhulu kunasendaweni yokupholisa iklasi ye-G11.
I-G13 antifreeze inesisekelo se-propylene glycol namanzi acwecwe. Okusho ukuthi, utshwala sebushintshiwe, okuqinisekisa ukumelana nokuqanjwa kokuqandisa. I-Propylene glycol ayinabo ubuthi obuncane futhi ayinamandla amakhemikhali kune-ethylene glycol. Kodwa-ke, izindleko zokukhiqizwa kwayo ziphakeme izikhathi eziningana kune-ethylene glycol. Mayelana nezakhiwo zokusebenza, mayelana nomsebenzi ohlelweni lokupholisa imoto, umehluko phakathi kwalezi ziphuzo zotshwala mncane. Izithasiselo ekilasini le-G13 zokunqanda ukuqhwala ziyahlanganiswa, zifane ngekhwalithi kanye nenani lezipholile ze-G12 ++.
Ingabe i-G12 ne-G13 i-antifreeze ingaxutshwa?
Ayikho impendulo eqondile embuzweni wokuthi kungenzeka yini ukuxuba amakilasi e-antifreeze G12 ne-G13. Okuningi kuncike ekuklanyweni kwesistimu yokupholisa kanye nezilinganiso zokuxuba uketshezi. Cabangela izimo ezimbalwa zokuxuba ama-antifreeze e-G12 ne-G13.
- Kusistimu lapho i-G12 antifreeze noma ezinye izigaba zayo ezingaphansi zigcwaliswa, i-G20 antifreeze yengezwa ngezinga elibalulekile (ngaphezu kwama-13%). Ukuxuba okunjalo kuyamukeleka, kodwa akunconywa. Uma kuxutshwe, utshwala obuyisisekelo ngeke buhlanganyele. Uketshezi olutholwe ngokuxuba ama-antifreeze i-G12 ne-G13 luzoshintsha kancane indawo yokuqandisa, kodwa lokhu kuzoba ukushintsha kancane. Kodwa izithasiselo zingase zingqubuzane. Ukuhlolwa kwabashisekayo mayelana nalokhu kuphele ngemiphumela ehlukile, ebingalindelekile. Kwezinye izimo, imvula ayizange ibonakale ngisho nangemva kwesikhathi eside nangemva kokushisa. Kwezinye izimo, lapho usebenzisa ukuhlukahluka okuhlukile koketshezi oluvela kubakhiqizi abahlukene, i-turbidity ebonakalayo ivele engxubeni ewumphumela.
- Kusistimu eklanyelwe i-G13 antifreeze, inani elibalulekile (ngaphezu kuka-20% wevolumu iyonke) yengezwa ekupholiseni kwekilasi G12. Lokhu akukwazi ukwenziwa. Ngokombono, amasistimu aklanyelwe i-G13 antifreeze akudingekile ukuba enziwe ngezinto ezinokuvikelwa okuphezulu ngokumelene nolaka lwamakhemikhali, njengoba kwakudingeka kumasistimu e-G12 antifreeze. I-Propylene glycol inolaka oluphansi lwamakhemikhali. Futhi uma umkhiqizi wezimoto esebenzisa leli thuba futhi wenza noma yiziphi izakhi ezivela ezintweni ezingezona ezendabuko, khona-ke i-ethylene glycol enolaka ingabhubhisa ngokushesha izakhi ezingazinzile emiphumeleni yayo.
- Inani elincane le-G12 antifreeze lengezwa ohlelweni oluqukethe i-G13 antifreeze (noma okuphambene nalokho). Lokhu akunconywa, kodwa kungenzeka uma ingekho enye indlela yokuphuma. Ngeke kube nemiphumela ebucayi, futhi kunoma yikuphi, lokhu kuyindlela eyamukelekayo kunokushayela ngokuntuleka kokupholisa ohlelweni.
Ungashintsha ngokuphelele i-G12 antifreeze nge-G13. Kodwa ngaphambi kwalokho, kungcono ukususa uhlelo lokupholisa. Esikhundleni se-G13, awukwazi ukugcwalisa i-G12.
