ukuminyana kwe-antifreeze. Ihlobene kanjani nendawo yokuqandisa?
Okuqukethwe
Ukuminyana kwe-antifreeze
Cishe wonke ama-antifreezes anamuhla enziwa ngesisekelo sotshwala (enye yezinhlobonhlobo ze-glycol) namanzi acwecwe. Isilinganiso se-glycol emanzini sinquma ukumelana namazinga okushisa aphansi.
Kukhona indida lapha okubalulekile ukuyiqonda. Kuma-antifreeze e-ethylene glycol, umthetho awusebenzi: lapho izinga eliphezulu le-glycol liphezulu, i-frost eyengeziwe ingakwazi ukubekezelela. I-ethylene glycol ehlanzekile inephuzu lokuqanda elingu-13°C nje. Futhi umkhawulo onjalo wokuqandisa ophezulu wesipholisi utholakala ngokuxuba namanzi.
Kuze kufike ekuhlanganiseni kwe-glycol ekubunjweni okungaba ngu-67%, ukuthuthukiswa kwezakhiwo ezisezingeni eliphansi kwenzeka. Ngalesi silinganiso, ukumelana okuphezulu kokuqandisa kufinyelelwa. Okulandelayo kuza ukushintsha kancane kancane kwendawo yokuthela kuya kumazinga okushisa avumayo. Kunamathebula anemininingwane yezakhiwo zokugxila okuhlukahlukene kwama-glycols namanzi.
Ukuminyana kwe-antifreeze akuxhomekile kumbala wayo. Kanye nendawo yokuqandisa. Akunandaba ukuthi sifunda ukuminyana kwe-antifreeze eluhlaza, ophuzi noma obomvu, amanani angumphumela ngeke ahlotshaniswe nombala. Umbala kunalokho unquma ukwakheka kwezithasiselo kanye nokusebenza kwe-antifreeze yezimoto ezihlukahlukene. Nokho, okwamanje kukhona ukudideka okuthile kulesi simiso. Ngakho-ke, akunakwenzeka ukugxila kuphela kumbala.
Okwamanje, ama-antifreeze aziwa kakhulu yilawa: G11, G12, G12 +, G12 ++ kanye ne-G13. Kuwo wonke ama-coolants, ukuminyana kuyahlukahluka kuye ngokuthi kuthelwa kuphi (i-glycol concentration). Kumakhaza amaningi esimanje, lesi sibalo sizungeze i-1,070-1,072 g / cm3, ecishe ifane nendawo yokubanda engu -40 °C. Okusho ukuthi, i-antifreeze inzima kunamanzi.
Idivayisi yokulinganisa ukuminyana kwe-antifreeze
Ukuminyana kwe-antifreeze kungalinganiswa nge-hydrometer evamile. Lona idivayisi efaneleke kakhulu. Udinga nje ukuthola inguqulo ye-hydrometer, eklanyelwe ukukala ukuminyana kwezingxube ze-glycol.
I-hydrometer iqukethe izingxenye ezimbili eziyinhloko:
- ama-flasks (enethiphu yerabha ngakolunye uhlangothi kanye nepheya ngakolunye) ukuthatha i-antifreeze ngaphakathi;
- ukuntanta ngesikali.
Ngaphakathi kwe-hydrometer, eklanyelwe ngokuqondile ukukala ukuminyana kwe-antifreeze, ngokuvamile kuvame ukufakwa kokusikisela. Akukhona nje ukuminyana okumakwe kuyo, kodwa futhi nokuhlushwa kwe-glycol ehambisana nayo. Ezinye, izinguqulo ezilungisiwe kakhudlwana, zinikeza ngokushesha ulwazi endaweni yokuqandisa ye-antifreeze ngaphansi kocwaningo. Lokhu kuqeda isidingo sokusesha ngokuzimela amanani etafuleni futhi kwenza inqubo ngokwayo isheshe futhi ibe lula.
Ungalinganisa kanjani ukuminyana kwe-antifreeze ekhaya?
Inqubo yokulinganisa nge-hydrometer ilula kakhulu. Kudingeka ukudweba i-antifreeze eyanele ku-flask kusuka ku-canister noma ngokuqondile ohlelweni lokupholisa ukuze untante i-float. Okulandelayo, bheka iflothi. Izinga elicwila kulo lizokhombisa ukuminyana. Ngemuva kokulinganisa, kwanele ukuqhathanisa ukuminyana nokuhlushwa kwe-ethylene glycol, ehambisana nalokhu kuminyene, noma nephuzu lokuthulula.
Kukhona enye indlela yokukala ukuminyana ekhaya. Lokhu kuzodinga isikali esinembile (ungasebenzisa izikali zasekhishini) kanye nesitsha esinevolumu ye-1 litre. Inqubo yokukala ukuminyana kuleli cala izobandakanya lezi zinyathelo ezilandelayo:
- sikala isitsha esingenalutho bese sibhala umphumela;
- Thela i-1 litre ye-antifreeze kulesi sitsha bese wenza isisindo esisodwa;
- susa isisindo se-tare esisindweni esibi futhi uthole inetha eli-1 litre le-antifreeze;
Lokhu kuzoba ukuminyana kwe-antifreeze. Indlela ingafuna ukunemba kuphela uma izikali ziqinisekisiwe ukuthi zizobonisa isisindo esifanele, futhi isitsha siphethe ilitha elingu-1 lamanzi.
