Raws li cov khoom siv cua sov hauv cov cua sov ntawm cov tsev ntiag tug, raws li txoj cai, dej yog siv, tab sis cov tshuaj tiv thaiv kab mob kuj tseem siv rau cov laj thawj no. Ua ntej ua raws li cov thev naus laus zis no, koj yuav tsum nug yog vim li cas thiaj li yuav tsum tau siv cov khoom hais, thiab yuav ua li cas xaiv nws kom raug rau lub tshuab cua sov.
txiaj ntsig ntawm kev siv tshuaj tiv thaiv kab mob
Raws li lub tshuab hluav taws xob thoob ntiaj teb rau cov tshuab cua sov, tsuas yog dej siv tau ntev. Qhov no yog vim nws cov yam ntxwv physicochemical, suav nrog lub peev xwm tshwj xeeb, uas yog 4.169 kJ / kg. Txawm li cas los xij, muaj ntau yam uas tuaj yeem txwv kev siv dej los ua ib qho dej txias thoob ntiaj teb. Ntawm lawv, ib tus tuaj yeem tawm ib lub sijhawm uas qhov kev hloov pauv ntawm cov khoom los ntawm cov kua mus rau lub xeev yog 0 degrees. Ntawm lwm yam, thaum lub sijhawm khov, qhov ntim ntawm cov dej nce li ntawm 10%, qhov no yuav ua rau muaj kev puas tsuaj rau cov tes hauj lwm uas cov kua ua ntej khov. Yog li ntawd, thaum cov xwm txheej saum toj no yuav tshwm sim, tshuaj tiv thaiv kab mob yog siv rau cov cua sov ntawm lub tsev hauv lub tebchaws, uas muaj cov khoom siv tau yooj yim dua.
Ua haujlwm tau zoo thiab ua haujlwm zoo tuaj yeem ua kom ntseeg tau los ntawm kev siv cov khoom siv saum toj no rau cov cua kub cua. Nyob rau hauv cov ntaub ntawv no, peb tsis tau tham txog cov kua xws li ethyl cawv, transformer roj los yog tsheb antifreeze. Thaum xaiv antifreeze, nws yog ib qho tseem ceeb uas yuav tau xav txog tias nws yuav tsum muaj kev nyab xeeb nyob rau hauv cov nqe lus ntawm ignition thiab flammability. Ntawm lwm yam, muaj qee qhov kev txwv uas tau sau los ntawm cov cai rau thaj chaw nyob. Antifreeze yuav tsum tsis txhob hnov qab cov hlau nto tom qab kev sib cuag nrog nws.
Ntau yam tshuaj tiv thaiv kab mob rau cov cua sov
Yog tias koj xav tau tshuaj tua kab mob rau cov cua sov ntawm lub tsev hauv lub tebchaws, ces koj yuav tsum paub txog cov yam ntxwv ntawm cov tshuaj no. Nws yog tsim los ntawm kev daws teeb meem ntawm propylene glycol thiab ethylene glycol. Cov tebchaw no hauv lawv daim ntawv ntshiab yog nruj txaus siv rau hauv cov tshuab cua sov. Tab sis muaj cov additives tshwj xeeb tsim los tiv thaiv cov tsos ntawm npaus, corrosion, nplai, nrog rau kev puas tsuaj rau fittings thiab ib tug neeg lub ntsiab nyob rau hauv lub network.
Cov tshuaj ntxiv no tuaj yeem ua kom muaj kev ruaj ntseg thermal, uas yog muab rau hauv qhov kub ntawm -70 txog +110 degrees. Nws yuav tsum raug sau tseg tias qhov tsis muaj thermal degradation tau sau tseg txawm tias qhov kub ntawm +165 txog +175.qib. Koj yuav tsum xaiv xws li cov tshuaj tiv thaiv kab mob rau cov cua sov ntawm lub teb chaws lub tsev kom tsis txhob ua rau cov yas, elastomers thiab roj hmab.
Thaum xaiv ethylene glycol antifreeze
Antifreeze, uas nws cov tuam txhab nyob rau hauv Russia, yog npaj rau siv nyob rau hauv lub cua sov system. Cov khoom zoo li no tau nthuav dav heev nyob rau hauv kev ua lag luam ntawm cov khoom niaj hnub; lawv tau tsim los ntawm ethylene glycol. Yog tias tsim nyog, koj tuaj yeem xaiv rau koj tus kheej ib qho ntawm cov kev xaiv. Yog li, cov khoom tuaj yeem khov ntawm -30 lossis -65 degrees. Txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm Ua li no, dilute cov khoom nrog dej. Yog tias koj xav txuag nyiaj, ces koj yuav tsum xaiv cov ethylene glycol muaj pes tsawg leeg, vim nws muaj tus nqi tsis tseem ceeb.
Qhov tshuaj tiv thaiv kab mob no rau cov cua sov ntawm lub tsev hauv lub tebchaws muaj qhov tsis zoo, uas tau hais tawm hauv toxicity. Cov khoom no tuaj yeem ua rau muaj kev phom sij rau kev noj qab haus huv los ntawm kev nqus pa los yog sib cuag ntawm daim tawv nqaij. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias qhov koob tshuaj tuag ntawm cov tshuaj no rau tib neeg yog sib npaug ntawm qhov ntim sib npaug li 250 ml. Qhov kev tsis zoo no txwv tsis pub siv tshuaj tiv thaiv kab mob raws li ethylene glycol hauv ob-circuit cua sov tes hauj lwm. Nyob rau hauv lawv, lub coolant tuaj yeem nkag mus rau hauv Circuit Court rau cov dej kub. Vim li no, kev siv cov tshuaj no tsuas yog txwv rau ib leeg-circuit systems. Rau kev nyab xeeb, cov dej txias no yog pleev xim rau xim liab, uas ua rau nws yooj yim dua los kuaj xyuas qhov xau.
Thaum twg xaiv propylene glycol antifreeze
Xav txog ntau hom tshuaj tiv thaiv kab mob, koj tuaj yeem ua tib zoo mloog rau propylene glycol ntau yam. Lawv tshwm sim nyob rau thaum xaus ntawm lub xyoo pua xeem thiab sai sai tau muaj koob meej vim hais tias lawv tsis muaj tshuaj lom. Raws li qhov zoo, ib tus tuaj yeem ua tiav qhov tsis zoo. Cov yam ntxwv no yog qhov tseem ceeb tshaj plaws rau ob-circuit systems. Niaj hnub no, cov coolants no kuj muaj nyob rau hauv kev ua lag luam, thiab cov lus qhia tso cai rau lawv ua hauj lwm ntawm kub txog -35 degrees.
txhawm rau txheeb xyuas cov tshuaj tiv thaiv kab mob no, uas yog tsim los ntawm propylene glycol, lawv tau pleev xim ntsuab. Saib ntawm qhov muag ntawm antifreeze ntawm cov xim sib txawv, koj tuaj yeem ua tib zoo mloog raws nraim qhov tau piav qhia saum toj no. Raws li ib qho txiaj ntsig ntxiv, propylene glycol yog ib qho kev pom zoo noj ntxiv. Nws tuaj yeem pom hauv cov khoom qab zib ua tus neeg sawv cev uas txhawb nqa cov dej noo, softening thiab dispersion ntawm cov khoom.
Thaum twg los xaiv triethylene glycol antifreeze
Yog tias koj tab tom xav txog cov lus nug ntawm cov tshuaj tiv thaiv kab mob twg rau lub ncuav, yog tias qhov kev ua haujlwm kub nce mus txog +180 degrees, koj tuaj yeem siv cov tshuaj raws li triethylene glycol. Lawv yog cov yam ntxwv ntawm qhov kub thiab txias stability.
Tab sis cov coolants no tsis tuaj yeem hu ua cov khoom tsim los siv dav. Feem ntau, cov tshuaj no yog siv nyob rau hauv tshwj xeeb systems nyob rau hauv uas radiatorsrau antifreeze yog tsim los rau impressive kub.
Cov Lus Qhia rau xaiv lub tshuab ua kom txias
Yog tias koj xav xaiv cov tshuaj tiv thaiv zoo tshaj plaws, nws raug nquahu kom koj nyeem cov ntaub ntawv hauv kab lus. Ua ntej pib siv cov khoom siv rau hauv cov cua sov, nws yog ib qho tseem ceeb uas yuav tsum tau kawm cov thermal zog ntawm cov kev daws teeb meem uas yog raws li ethylene glycol. Cov khoom tseem ceeb ntawm cov khoom sib xyaw no yog ethylene glycol thiab dej, uas muaj nyob rau hauv cov khoom hauv 95%.
Tswj cov ntsiab lus ntawm cov kua no yog txhua yam khoom ntxiv. Yog tias yuav tsum xaiv cov tshuaj tiv thaiv kab mob uas yuav muaj qee yam ntawm lub cev thiab tshuaj lom neeg, ces koj yuav tsum tau saib qhov piv ntawm dej thiab ethylene glycol. Ob qhov kev ntsuas no tuaj yeem txiav txim siab viscosity, boiling point, freezing point, thermal conductivity, volumetric expansion thiab kub peev.
Txoj kev siv tshuaj tiv thaiv kab mob nrog cov tshuaj ntxiv
Cov khoom ntiag tug ntawm ib hom tshuaj tiv thaiv kab mob yog txiav txim siab los ntawm pob khoom ntxiv. Cov yam ntxwv hauv qab no yuav yog qhov tseem ceeb ntawm cov khoom no: tus nqi, kev tiv thaiv cavitation, kev pabcuam lub neej, nrog rau kev tiv thaiv corrosion. Lub luag haujlwm tseem ceeb ntawm cov tshuaj ntxiv thaum siv cov tshuaj tiv thaiv kab mob yog los tiv thaiv cov hlau los ntawm cov txheej txheem corrosive. Cov kev tshawb fawb pom tau tias cov khoom siv ntxiv tuaj yeem txo qhov corrosion ntawm sab hauv qhov chaw txog li 100 zaug. Cov txheej ntawm xeb uas tsim rau ntawm phab ntsa sab hauv ntawm cov khoom siv cua sov thiab cov kav dej muaj cov thermal conductivity tsis zoo, nws yog 50 npaug tsawg dua li cov hlau. Yog li, xeb tshwm nyob rau hauvraws li lub tshav kub insulator.
Vim yog corrosive formations, lub puab lumen ntawm cov yeeb nkab nqaim. Vim li no, hydrodynamic kuj nce, thiab qhov ceev ntawm kev txav ntawm lub coolant nyob rau hauv lub kav dej txo. Qhov no tuaj yeem ua rau nce nqi hluav taws xob. Cov tsim xeb hais nyob rau hauv lub coolant ua rau depressurization ntawm bearings ntawm cov twj tso kua mis. Lawv txhaws cov cua sov sib pauv raws thiab cov ntsiab lus ntawm cov cua sov boilers. Yog li, tus neeg siv tau ntsib nrog kev puas tsuaj rau cov ntsiab lus ntawm cov cua sov.
Kev siv cov khoom siv ntxiv tiv thaiv cov hlau thiab cua sov los ntawm kev puas tsuaj rau corrosion, yog li ua rau lub neej ua haujlwm ntawm cov khoom no los ntawm 15 xyoo. Kev siv cov tshuaj tiv thaiv kab mob los ntawm propylene glycol lossis ethylene glycol yam tsis muaj tshuaj ntxiv tuaj yeem ua rau poob nyiaj txiag loj, tshwj xeeb tshaj yog thaum piv nrog tus nqi ntawm cov khoom ntxiv.
Cons ntawm kev siv tshuaj tiv thaiv kab mob
Tom qab koj tau txiav txim siab dab tsi los sau rau hauv lub tshuab cua sov, nws yog ib qho tseem ceeb uas yuav tsum tau coj mus rau hauv tus account qhov tseeb tias koj yuav tsum tswj hwm qhov ntsuas kub tau pom zoo thaum siv cov dej txias tau piav qhia. Txawm hais tias lub hauv paus, antifreeze tsis zam overheating. Boiling tuaj yeem ua rau kev puas tsuaj ntawm cov qauv. Qhov nruab nrab kub ntawm cov khoom no yog nyob rau hauv thaj tsam ntawm 106 txog 116 degrees. Cov cim tshwj xeeb yuav nyob ntawm seb qhov muaj pes tsawg leeg yog diluted nrog dej thaum lub sijhawm pib ua haujlwm.
Koj yuav tsum paub tias qhov kub dhau heev ntawm cov tshuaj tiv thaiv kab mob tuaj yeem ua rau cov tshuaj tiv thaiv xeb kom degrade. Tom qab ntawd, raws li txoj cai, decomposition thiab boiling ntawm glycols, uas tsim acidic tebchaw, tshwm sim. Nyob rau sab hauv ntawm cov khoom cua sov, cov pa roj carbon deposits pib tso, uas cuam tshuam tsis zoo rau kev ua haujlwm raug ntawm tag nrho chav tsev. Antifreeze, tshuaj xyuas uas tsis yog ib txwm zoo xwb, tuaj yeem siv los tiv thaiv qhov xwm txheej zoo li no. Txhawm rau ua qhov no, nws yuav tsim nyog los muab kev ua kom zoo dua qub, uas tshem tawm qhov muaj peev xwm ntawm overheating ntawm lub coolant.
Tsis tas li ntawd, cov cua sov tuaj yeem npog tag nrho nrog cov tshuaj tiv thaiv kab mob, uas tshem tawm qhov muaj peev xwm ntawm overheating. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov yam ntxwv ntawm kev ua haujlwm ntawm cov khoom sib xyaw, uas cuam tshuam nrog lub peev xwm qis dua, thermal conductivity thiab ntau dua viscosity, yuav tsum raug coj mus rau hauv tus account los ntawm txoj kev xaiv cov twj tso kua mis thiab radiators.
Ntaus ntxiv
Ib qho tshuaj tiv thaiv kab mob yuav yooj yim pom txawm tias qhov tawg me tshaj plaws thiab xau, thiab cov xau yuav tsim. Vim tias qhov o ntawm cov ntsaws ruaj ruaj thiab gaskets ploj hauv qhov chaw daws teeb meem, streaks kuj yuav tsim nyob rau hauv cov chaw no. Yog vim li cas ntawm no yog qhov qis coefficient ntawm qhov nro. Yog tias koj xav tshem tawm cov teeb meem no, koj yuav tsum tau ceev cov kev sib txuas. Nws yog qhov ua tau tias qhov kev ua li no yuav tsum tau rov ua ntau zaus. Txawm li cas los xij, qhov no yog tib txoj hauv kev los txhim kho kev sib khi ntawm qhov system.
Qhov no yog qhov tseem ceeb tshwj xeeb vim qhov tseeb tias ethylene glycol tuaj yeem oxidize thaum raug huab cua. Nrog rau qhov nce ntawm qhov kub thiab txias ntawm lub coolant, cov txheej txheem oxidation tsuas yog nce los ntawm qhov zoo ntawm 2 xyoo caum ntawm qhov ntsuas kub. Tom qab ntawd peb yuav tsum cia siab tias qhov xwm txheej uas twb paub lawm tau piav qhia saum toj no. Oxidation cov khoom yuav ua rau kev puas tsuaj ntawm additives, uas, nyob rau hauv lem, yuav ceev cov txheej txheem corrosion. Tias yog vim li cas nws tseem ceeb heev kom ua tiav qhov nruj ntawm lub kaw lus, suav nrog cov tank nthuav dav.
Xaiv cov chaw tsim tshuaj tiv thaiv kab mob
Yog tias koj tab tom xav txog kev tiv thaiv kab mob, koj yuav tsum txaus siab rau cov tuam txhab thiab. Cov neeg siv khoom Lavxias feem ntau xaiv cov khoom siv hauv tsev, vim nws muaj tus nqi pheej yig tshaj plaws. Ntawm cov tuam txhab muag khoom tshaj plaws yog Teply Dom, Spektroplast, Ntshav Kub, thiab Dixis.
Tab sis tus neeg yuav khoom feem ntau tsis kam coj mus kuaj vim yog tus nqi zoo. Nyob rau hauv feem ntau, lub hauv paus ntawm xws li antifreezes muaj ethylene glycol, cov yam ntxwv ntawm uas tau hais saum toj no. Cov tshuaj yuav tsum tau diluted nrog dej mus rau qhov chaw khov kho. Nws yog ib qho tseem ceeb uas yuav tsum tau coj mus rau hauv tus account tsis tsuas yog tus nqi siab ntawm cov khoom no, tab sis kuj nws qhov teeb meem loj tshaj plaws, uas tau hais tawm hauv toxicity.
Cov lus qhia rau kev siv
Yog tias koj txaus siab rau lo lus nug ntawm yuav ua li cas dilute antifreeze, ces rau ib tug concentration ntawm -65 degrees nws yuav tsum tau sib tov 60% ntawm coolant thiab 40% dej. Qhov no yuav tau txais qhov kub thiab txiaskhov, sib npaug li 25 degrees. Qhov piv yog hloov mus rau 54% antifreeze thiab 46% dej kom tau qhov chaw khov ntawm -20 degrees.
Yuav kom paub ntau npaum li cas cov tshuaj tiv thaiv kab mob hauv lub cev, koj yuav tsum ntxiv 90% ntawm cov khoom thiab 10% dej, qhov no yuav tso cai rau koj kom tau qhov chaw khov ntawm -25 degrees, uas yog qhov tseeb. antifreeze concentrate ntawm -30 degrees. Thaum siv tib qho kev mloog zoo, tab sis kom tau txais qhov txias txias li ntawm -20 degrees, nws yuav tsum sib tov 20% dej thiab 80% cov khoom siv hluav taws xob.
Tus nqi tiv thaiv kab mob
ntau tus neeg siv khoom feem ntau nug tus nqi tiv thaiv kab mob ntau npaum li cas. Ua ntej ntawm tag nrho cov, koj yuav tsum coj mus rau hauv tus account tias lub ntim ntawm ntim yuav txawv. Yog li, PRIMOCLIMA ANTIFROST brand antifreeze, uas yog tsim los ntawm glycerin, yuav raug nqi 690 rubles ib 10 kilograms. Ib yam khoom los ntawm tib lub chaw tsim khoom, tab sis ua los ntawm ethylene glycol, yuav raug nqi rau koj 1,400 rubles ib 20 kilograms.
Zaj lus
Tom qab koj paub tias tus nqi tshuaj tiv thaiv kab mob ntau npaum li cas, koj tuaj yeem mus rau tom khw mus yuav lub tshuab ua kom txias uas yuav kav koj ntev. Lub sijhawm no, los ntawm txoj kev, kuj yuav tsum tau coj mus rau hauv tus account thaum ua kev yuav khoom, nrog rau qhov tseeb tias koj yuav tsum tsis txhob khaws cov khoom no. Qhov no yog vim muaj ntau yam. Ua ntej ntawm tag nrho cov, cov muaj pes tsawg leeg yuav tsum muaj kev nyab xeeb, qhov no yuav ua tau kom ntev lub neej ntawm txhua lub caij ntawm cua sov system.
