Carboxylate antifreeze: chaw tsim tshuaj paus, ntau npaum, yam ntxwv, muaj pes tsawg leeg, nta ntawm kev siv thiab tshuaj xyuas ntawm cov neeg tsav tsheb

2024 Tus sau: Erin Ralphs | [email protected]. Kawg hloov kho: 2024-02-19 16:10

Hnub no, cov neeg tsav tsheb feem ntau siv tshuaj tiv thaiv kom txias rau lawv lub tsheb. Nyob rau hauv lub rhawv ntawm cov khw muag khoom noj roj thiab kev cob qhia, ntau yam khoom tau nthuav tawm: antifreeze, silicate thiab carboxylate antifreeze. Coolants yog tsim los ntawm ntau manufacturers. Yuav kom nkag siab txog qhov kev nplua nuj no, xaiv txoj cai tiv thaiv kab mob uas yuav tsis ua mob rau lub cav thiab yuav tsis ua rau muaj kev puas tsuaj loj, kab lus no yuav pab tau.

About antifreeze

Yuav kom lub cav tsheb ua haujlwm tau ntev, nws yuav tsum ua raws li cov cai ntawm kev ua haujlwm. Overheating lub cev muaj zog tsis tsuas yog txo cov peev txheej, tab sis kuj tuaj yeem ua rau muaj kev puas tsuaj loj. Txhawm rau zam qhov no, siv ntau yam coolants. Rau lub sijhawm ntev, lub ntsiab lus txias yog dej. Tab sis nws cov yam ntxwv ua haujlwm tau ua rau muaj kev xeb sai, txhaws ntawm lub cav cav. Nyob rau tib lub sijhawm, nplai thiab xeb txo qhov ua kom txias txias. Qhov kub sib txawv ntawm ntau qhov chaw ntawm lub cav txo cov kev pabcuam lub neej, thiab lub taub hau thiab thaivcylinders tuaj yeem coj.

Txawm li cas los tawm tsam qhov no dhau 50 xyoo dhau los, lub tshuab ua kom txias tshiab tau tsim - tshuaj tiv thaiv kab mob. Cov khoom muaj los ntawm cov khoom siv niaj hnub no, suav nrog cov tshuaj tiv thaiv carboxylate, muaj peev xwm hloov tau cov cua sov los ntawm cov cua sov mus rau lub tshuab cua sov (txias), tiv taus qhov kub thiab txias yam tsis muaj boiling, thiab tsis khov nyob rau hauv ib tug ntau yam ntawm qhov kub thiab txias. Antifreeze muaj lub neej ua haujlwm ntev.

Carboxylate thev naus laus zis, yam ntxwv thiab muaj pes tsawg leeg

Nrog kev siv cov cuab yeej carboxylate, tshuaj tiv thaiv kab mob ua kom pom qhov ua tau zoo tshaj plaws ntawm kev pabcuam lub neej. Cov cuab yeej muaj qhov zoo tshaj plaws thermophysical yam ntxwv, ntawm txhua hom coolants. Antifreeze yog tsim nrog ntxiv cov additives los ntawm carboxylic acid ntsev. Cov muaj pes tsawg leeg muaj xws li dej nrog ethylene glycol, nyob rau hauv ib tug ratio ntawm ib tug mus rau ib tug, nrog rau ntxiv ib pob ntawm additives los ntawm ib tug ua ke ntawm ntsev (carboxylates).

Dihydric cawv lossis ethylene glycol boils ntawm qhov kub ntawm +197 ° C, thiab qhov chaw khov yog -13 ° C. Yog tias cawv yog tov nrog dej, qhov chaw khov ntawm cov kua yuav yog kwv yees li 38 degrees hauv qab xoom. Ntxiv mus, nyob rau hauv ib tug khov lub xeev, cov khoom yuav luag tsis nthuav, tsis zoo li dej, uas ua hauj lwm raws li ib tug guarantee ntawm kev ncaj ncees ntawm lub internal combustion engine. Qhov kub ntawm cov khoom tiav yog siab tshaj 106 ° C. Nyob rau hauv lub cev muaj zog, lub kaw lus kaw, thiab cov kua khiav nyob rau hauv lub siab, feem, lub boiling point yog ntau dua.

Tshem tawm ntawm qhov tsis zoo xws li kev xeb yog ua tiav los ntawm kev ntxiv carboxylates. Tsis tas li ntawd, nyob rau hauv muaj pes tsawg leegcarboxylate thiab silicate antifreeze ntxiv anti-foam, xim ntsiab. Anti-foam additives tiv thaiv kev tsim ntawm npuas rau lub kaw Circuit Court ntawm lub tshuab cua txias ncaj qha rau hauv lub cav, uas tsis cuam tshuam tag nrho, txij li kev nce siab thiab kaw Circuit Court tiv thaiv cavitation. Tsis tas li ntawd, carboxylic acid ntsev ua kom ntev lub neej ntawm cov tshuaj tiv thaiv kab mob.

Chaw tsim khoom thiab ntau npaum

Kev txhim kho ntawm cov khoom ntxiv yog cov txheej txheem kev tshawb fawb hnyav uas cuam tshuam nrog kev tshawb fawb thiab kev tshawb fawb mus ntev, kev sim siab uas tsis muaj kev lees paub ntawm kev ua tiav. Cov hauj lwm zoo li no muaj peev xwm ua tau zoo ntawm cov chaw tshawb fawb thiab cov chaw sim ntawm cov tuam txhab loj thiab nplua nuj nrog lub koob npe nrov thoob ntiaj teb:

• German tuam txhab BASF;
• Belgian chaw tsim khoom Arteco;
• Swiss muaj pab pawg Clariant;
• American chaw tsim tshuaj paus DOW Chemical.

Qhov ntau npaum li cas thiab qhov sib xyaw ntawm "cov khoom siv kos npe" yog kev lag luam zais cia. Antifreeze manufacturers yuav npaj txhij-ua superconcentrate nyob rau hauv daim ntawv ntawm additives, tso cov khoom nyob rau hauv lub hauv paus ntawm lawv tus kheej hom. Ntau lub tuam txhab tau sim rov ua cov thev naus laus zis lawv tus kheej raws li cov ntaub ntawv muaj, tab sis ua tsis tiav. Nws tsis tuaj yeem kwv yees qhov tseeb feem ntawm cov ntsev thiab lwm yam zais cia. Tsuas yog qhov sib piv thiab ntau npaum li cas ntawm cov khoom xyaw tuaj yeem ua rau muaj kev tiv thaiv corrosion thiab kev pab cuam lub neej.

Qhov txawv ntawm silicate

Dab tsi txawvcarboxylate antifreeze los ntawm silicate antifreeze yog ib qho teeb meem tshwj xeeb uas yuav tsum tau ua kom pom tseeb. Txhawm rau teb kom raug, koj yuav tsum paub cov yam ntxwv ntawm txhua yam khoom. Silicate antifreeze G11 - thawj version ntawm lub coolant, thawj tiam. Ua los ntawm cov khoom siv uas suav nrog monoethylene glycol thiab silicone additives. Ib zaj duab xis yog tsim nyob rau sab hauv phab ntsa ntawm cov cua txias channel ntawm lub cav, npog qhov chaw, uas impairs tshav kub hloov. Feem ntau muaj xim xiav lossis ntsuab.

Carboxylate antifreeze G12 yog cov khoom siv nrov tshaj plaws thiab qib siab tshaj ntawm cov dej txias. Nws yog tsim los coj mus rau hauv tus account lub shortcomings ntawm tiam dhau los. Organic ntsev (carboxylates) yog siv rau hauv cov txheej txheem tsim khoom. Silicate compounds tsis siv. Carboxylate antifreeze G12 liab.

Tam sim no, lub coolant yog qhov zoo tshaj plaws hauv kev ua tau zoo, tus nqi thiab zoo. Cov txiaj ntsig ntawm carboxylate coolant:

• kev pabcuam lub neej yog 5 xyoos, silicate 2 xyoos;
• cua txias channel tsis tas yuav tsum tau yaug tom qab hloov, tsis zoo li silicate antifreeze;
• nyob rau hauv niaj hnub muaj zog xyaw, carboxylate antifreeze tshem tawm cua sov zoo dua silicate.

Txoj kev siv

Siv ceev faj, vim carboxylate liab antifreeze yog cov tshuaj lom. Thaum lub sijhawm ua haujlwm, nws tsis tsim cov ntaub thaiv npog, cov khoom tiv thaiv pib ua haujlwm tsuas yog thaum lub sijhawm tshwm sim ntawm focal xeb. Cov txheej txheem tiv thaiv tshwm sim tsis pub dhau ib micron, uas tsis cuam tshuam cov yam ntxwv tseem ceeb ntawm kev hloov hluav taws xob. Thaum lub sijhawm ua haujlwm raug tshem tawm thiab kev tso nyiaj tsis raug tsim. Nws yog tsim nrog ntau yam ntxoov liab, tsis muaj kev cai meej. Tsis tas yuav muaj qhov dej ntws tawm thaum kho.

Nws txwv tsis pub sib xyaw ntau hom tshuaj tiv thaiv kab mob. Additives ntawm ntau hom neutralize ib leeg thaum reacting. Coolant poob nws cov khoom.

Nrov carboxylate antifreezes

Muaj ntau lub tuam txhab coolant nyob rau hauv kev ua lag luam. Txhua qhov taw qhia cov khoom raws li qhov zoo tshaj plaws carboxylate antifreeze. Cov neeg tsav tsheb muab lub ntsiab nyiam rau cov tuam txhab hauv qab no:

• German tuam txhab BASF - tsim tshuaj tiv thaiv kab mob hauv qab lub npe Glythermin;
• Belgian tuam txhab "Arteco", nyob rau hauv TM Zitrec;
• paub nyob rau hauv Russia hom "Tosol-Sintez" - tsim tshuaj tua kab mob, roj thiab nws pib tshuaj;
• Swiss txhawj xeeb Clariant, raws li Antifogen hom;
• Obninskorgsintez tuam txhab, uas tau tsim cov tshuaj tiv thaiv kab mob hauv qab Sintec hom rau ntau tshaj 16 xyoo;
• Liqui Mole cov khoom lag luam kuj tseem xav tau (German auto chemical chaw tsim tshuaj paus);
• American chaw tsim tshuaj paus DOV Tshuaj, nyob rau hauv lub hom Dowtherm, Ucartherm;
• Motul's antifreeze yog ib qho zoo tshaj plaws hauv ntu no;
• Japanese auto chemical chaw tsim tshuaj paus Totachi tso G12 antifreeze, yog nyob rau hauv tas li thov.

Tau cov npe ntawm cov tuam txhabtso cov khoom tsis tau. Kev tawm tsam rau cov neeg siv khoom yuam kev lag luam kom txhim kho cov khoom lag luam tas li, ua rau cov neeg siv khoom txaus siab nrog cov yam ntxwv tshiab.

Fake antifreeze, tsis zoo rau

Qhov nrov ntawm carboxylate antifreezes tsis tau mus unnoticed los ntawm manufacturers ntawm cov khoom cuav. Hmoov tsis zoo, khiav mus rau hauv cov khoom cuav yog ib qho yooj yim. Cov npe nrov yog kev dag, tso tawm, thaum xub thawj siab ib muag, ib yam khoom qub, uas muaj cov ntsev carboxylate. Tab sis nyob rau hauv dab tsi proportions cov Cheebtsam yog tam sim no, seb cov khoom xyaw ua hauj lwm kom raug, cov lus nug tseem qhib. Raws li koj paub, tsuas muaj plaub lub tuam txhab ntawm cov khoom tsim nyog hauv ntiaj teb.

Lwm tus tsuas yog cuav los ntawm kev sau cov ntsiab lus uas tsis muaj tseeb hauv cov khoom xyaw. Hloov chaw ntawm cov khoom siv organic, cov ntxhia ntxiv tuaj yeem muaj nyob rau hauv kev hloov pauv ntawm borate thiab amine, nitrite thiab silicate ntsev, lossis tsis muaj lawv.

Nws yooj yim rau kev xav txog qhov tshwm sim ntawm lub paj zoo li no. Ob peb xyoos ntawm kev ua haujlwm ntawm lub tsheb yuav ua rau kev tsim cov xeb, cov tsos ntawm deposits ntawm ntau yam. Clogged txias raws thiab radiator hlwb yuav invariably ua rau lub cav overheating. Kev siv cov roj av cuav lossis cov khoom seem, ib yam li lub tshuab ua kom txias, ua rau tawg.

nrhiav dab tsi thaum yuav

Ntxiv rau cov tuam txhab lag luam, tshuaj tiv thaiv kab mob yog tsim los ntawm ntau lub tuam txhab uasyuav thawj additives. Yog tsis ua tsis tau, lawv qhia qhov tseeb no, yog li ntawd nyiam cov neeg siv khoom. Ntawm cov ntawv cim khoom, tso lub logo ntawm lub tuam txhab tsim khoom. Yog tsis muaj inscriptions, ces qhov no yog ib tug fake, los yog ib tug surrogate. Los ntawm kev yuav khoom zoo li no, koj tau txais kev pheej hmoo loj.

Reviews

Ntau xyoo dhau los, txij li thaum tsim cov carboxylate antifreeze, cov neeg tsav tsheb tau txais kev ntseeg siab ntawm kev ntseeg siab thiab ua haujlwm ntev ntawm cov khoom. Lawv nco ntsoov tias tus nqi rau cov cua txias no zoo heev. Tus nqi ntxim nyiam tsuas yog pab txhawb rau kev muaj koob meej. Txhua xyoo cov yam ntxwv ntawm cov khoom yog kev txhim kho tas li. Cov tswv tsheb hais tias cov tsheb uas siv cov khoom siv tshuaj tiv thaiv zoo ua haujlwm tau ntseeg tau, cov cav tsis txhob kub dhau.