Dej ntsuab mus rau lub cua sov system ntawm ib lub teb chaws lub tsev: Uas yog zoo dua, pros thiab cons

Nyob rau hauv lub luag hauj lwm ntawm lub coolant nyob rau hauv lub system ntawm cua sov private tsev, raws li ib tug txoj cai, dej siv, tab sis rau cov hom phiaj yog siv thiab dej ntsuab. Ua ntej nram qab no no technology, peb yuav tsum nug yog vim li cas nws yog tsim nyog rau kev siv cov tshuaj yeeb dej caw, thiab yuav ua li cas mus xaiv nws rau lub cua sov system.

Qhov zoo ntawm kev siv dej ntsuab

Raws li ib tug universal coolant rau cua sov rau ib ntev lub sij hawm tsuas yog siv dej. Qhov no yog vim nws physico-tshuaj yam ntxwv, xws li kev muaj peev xwm, uas yog 4,169 kJ / kg. Txawm li cas los, muaj ntau ntau yam tseem ceeb uas yuav txo tau txoj kev siv cov dej nyob rau hauv lub coolant universal lub luag hauj lwm. Cov lawv peb yuav highlight lub taw tes tias cov kub kev hloov ntawm ib yam khoom uas los ntawm ib tug kua rau ib tug khoom hauv lub xeev ntawm 0 degrees. Ntawm lwm yam, lub freezing point ntawm cov dej ntim si los ntawm kwv yees li 10%, nws yeej ua ib tug ua ntawm kev puas tsuaj mus rau lub network, uas twb ua ntej khov kua. Uas yog vim li cas thaum yuav cov saum toj no-piav tej yam kev mob yog siv dej ntsuab rau cov cua kub system ntawm ib lub teb chaws lub tsev, uas muaj ib tug saj zawg zog zog.

Zoo thiab pom lub lag luam yuav muab kom cov saum toj no yam khoom uas yog siv rau tej huab cua cua sov tshuab. Nyob rau hauv cov ntaub ntawv no nws tsis yog ib lo lus nug ntawm kua xws li ethyl cawv, transformer roj los yog tsheb dej ntsuab. Xaiv dej ntsuab, nws yog ib qho tseem ceeb los ua tim nyob rau hauv lub siab hais tias nws yuav tsum muaj kev ruaj ntseg nyob rau hauv cov nqe lus ntawm tau tiv cav tseb thiab combustibility. Ntawm lwm yam, muaj ib co kev txwv, uas yog teem tawm kev cai rau thaj chaw. Dej ntsuab yuav tsum tsis txhob hnov mob rau tus hlau nto tom qab sis nrog nws.

Hom dej ntsuab rau cua sov tshuab

Yog hais tias koj xav tau dej ntsuab mus rau lub cua sov system ntawm ib lub teb chaws lub tsev, ces koj yuav tsum paub txog cov tshuaj thaj chaw ntawm lub substance. Nws yog tsim nyob rau hauv lub hauv paus ntawm aqueous lub ntsiab ntawm propylene glycol thiab ethylene glycol. Lub tebchaw nyob hauv cov ntshiab daim ntawv no txhoj puab heev txaus siv lawv rau cua sov. Tab sis muaj tshwj xeeb additives tsim los tiv thaiv cov tsos ntawm npaus, corrosion, teev, raws li zoo raws li kev puas tsuaj rau lub qub thiab tus neeg hais nyob rau hauv lub network.

Cov additives yuav ua tau kom thermal stability, uas yog muab nyob rau hauv lub kub ntau los ntawm -70 mus +110 degrees. Nws yuav tsum tau muab sau tseg tias tsis tuaj kawm ntawv ntawm thermal degradation cai txawm nyob rau hauv lub kub ntau ntawm +165 rau +175 degrees. Yuav tsum tau xaiv xws dej ntsuab mus rau lub cua sov system ntawm ib lub teb chaws lub tsev, ces nws tsis hnov mob mus rau lub yas, roj hmab thiab elastomers.

Thaum xaiv ethylene glycol dej ntsuab

Dej ntsuab, makers ntawm uas yog nyob rau hauv Russia, yog tsim los siv nyob rau hauv cov cua kub systems. Tej tshuaj uas muaj nyob rau hauv kev ua lag luam uas niaj hnub khoom, lawv yog raws li nyob rau hauv ethylene glycol. Yog hais tias tsim nyog, koj muaj peev xwm xaiv rau koj tus kheej ib tug ntawm cov variants. Yog li, lub yeeb tshuaj tej zaum yuav khov ntawm -30 los yog -65 degrees. Yuav kom sau nrog dej ntsuab system, koj yuav tau chiv npaj ib tug tov. Ua li no, dilute lub substance nrog dej. Yog hais tias koj xav kom txuag, koj yuav tsum xaiv raws nraim ethylene muaj pes tsawg leeg, vim nws txawv me ntsis nqi.

Tej dej ntsuab mus rau lub cua sov system ntawm ib lub teb chaws tsev muaj ib tug tseem ceeb drawback, uas yog qhia nyob rau hauv toxicity. Khoom raug mob yuav ua rau thaum nqus tau cov pa pa taws los yog daim tawv nqaij sib chwv. Nws yog ib qho tseem ceeb yuav tau nco ntsoov hais tias tus tuag koob tshuaj ntawm cov tshuaj yeeb dej caw rau tib neeg sib npaug zos volume sib npaug rau 250 ml. Qhov no drawback txwv rau kev siv ntawm dej ntsuab raws li ethylene glycol nyob rau hauv ob-Circuit Court cua kub tes hauj lwm. Lawv yuav tau txais mus rau hauv lub coolant Circuit Court rau lub rhuab dej. Vim li no, cov kev siv ntawm cov tshuaj yog tsuas ib leeg-Circuit Court system. Kev ruaj ntseg ntawm lub tshav kub hloov lwm lub tsev nruab nrab yog xim nyob rau hauv liab, uas ua rau nws yooj yim mus qhia nws txia.

Thaum xaiv ib tug propylene glycol dej ntsuab

Xav dej ntsuab ntau hom, koj yuav tau them nyiaj mloog mus rau lub hom propylene glycol. Lawv nyob ntawm qhov kawg ntawm lub xyoo pua xeem thiab sai sai los ua nrov rau yog vim li cas hais tias txawv uas tsis yog-tshuaj lom. Raws li ib tug kom zoo dua, koj muaj peev xwm xaiv ib tug ua tiav harmlessness. Qhov no cov yam ntxwv yog tseem ceeb tshaj plaws rau dual tshuab. Niaj hnub no coolants cov ntaub ntawv muaj nyob rau hauv lub domestic kev ua lag luam, thiab kev qhia tso cai rau kom muaj lawv nyob rau ib tug kub ntawm -35 degrees.

Rau cov cim ntawm tej anti-freeze, uas yog ua los ntawm propylene glycol, pleev xim rau lawv ntsuab. Nrhiav rau ntawm muag dej ntsuab nyob rau hauv cov xim txawv, koj yuav tau them cov xim mus rau ib tug piav saum toj no. Raws li ib tug ntxiv kom zoo dua muaj peev xwm yuav cais thiab hais tias txawm propylene glycol ua kev pom zoo khoom noj khoom haus additive. Nws yuav pom nyob rau hauv confectionery khoom raws li ib tug neeg sawv cev uas txhawb tuav ya raws, softening cov kab mob thiab dispersion.

Thaum xaiv triethylene glycol dej ntsuab

Yog hais tias koj tsa cov nqe lus nug ntawm yog dab tsi mus ncuav rau dej ntsuab, yog hais tias tus khiav hauj lwm kub nce mus txog 180 degrees, koj siv tau cov ntaub ntawv uas ua rau lub hauv paus ntawm lub TEG. Lawv tsiag ntawv los ntawm high theem ntawm thermal stability.

Tab sis cov no coolants tsis tau hu ua ib yam khoom npaj rau kev siv. Feem ntau cov feem ntau, cov tshuaj yog siv nyob rau hauv tshwj xeeb systems nyob rau hauv uas dab dej ntsuab tsim rau imposing kub.

Pom zoo txog cov kev xaiv ntawm coolant

Yog hais tias koj xav xaiv qhov zoo tshaj plaws los tiv thaiv-freeze, nws yog pom zoo kom ntsuam xyuas cov ntaub ntawv nyob rau hauv tsab xov xwm. Ua ntej cov tswv yim nrog rau cov pumpable khoom rau cov cua kub cev, nws yog ib qho tseem ceeb kawm thermal thaj chaw ntawm kev daws, uas yog raws li nyob rau hauv ethylene glycol. Lub ntsiab Cheebtsam ntawm xws compositions yog cov ethylene glycol thiab dej, nyob rau hauv uas lub yam khoom uas yog muaj nyob hauv 95%.

Qhov seem cov ntaub ntawv ntsiab ntawm kua - yog ntau yam additives. Yog hais tias koj xav tau tuaj nqa dej ntsuab uas yuav muaj tej yam lub cev thiab tshuaj zog, nws yog tsim nyog los saib tus piv ntawm dej thiab ethylene glycol. Cov ob tsis muaj peev xwm txiav txim seb lub viscosity, boiling point, khov taw tes, thermal conductivity, tej thaum tshav kub kub thiab ntim expansion.

Qhov zoo ntawm kev siv dej ntsuab nrog additives

Cov thaj chaw ntawm ib tug kev hom anti-freeze additive pob txiav txim. Los ntawm cov Cheebtsam yuav tsum tseem ceeb nram qab no yam ntxwv: nqi, anti-cavitation, cov ntsiab lus ntawm chaw ua hauj lwm, thiab anticorrosion. Lub hom phiaj tseem ceeb thaum uas siv cov dej ntsuab additive ua kev tiv thaiv ntawm cov hlau los ntawm corrosive dab. Kev tshawb fawb qhia tau tias cov additive muaj peev xwm ntawm kev txo xeb hauv chaw ntawm mus txog 100 lub sij hawm. Xeb txheej uas yog tsim nyob rau hauv lub puab phab ntsa ntawm dab thiab pipelines, muaj txom nyem heev thermal conductivity, nws yog 50 lub sij hawm tsawg tshaj li ib tug uas muab cov hlau. Yog li, xeb ua raws li ib tug kub insulator.

Vim lub corrosive formations tapered puab lumen ntawm lub raj. Vim li no, ntws kuj nce, thiab cov kev ceev ntawm lub zog ntawm coolant nyob rau hauv lub raj dej system lawm. Qhov no yuav ua rau ib qho kev nce nyob rau hauv cov nqi zog. Cov uas ua xeb hais nyob rau hauv lub coolant yuav los ua ib tug ua depressurization kev coj tus kheej circulators. Lawv txhaws lub tshav kub exchanger raws thiab cov ntsiab ntawm boilers. Yog li, tus neeg siv yog ntsib nrog kev puas tsuaj rau lub ntsiab ntawm cua sov tshuab.

Kev siv ntawm additives los tiv thaiv hlau thiab cua sov system los ntawm xeb puas tsuaj, li no ua rau lub neej ntawm cov ntaub ntawv hais txog 15 xyoo. Yog hais tias siv dej ntsuab tshuaj raws li ethylene glycol, propylene glycol los yog tsis muaj additives, qhov no yuav ua rau hnyav losses nyob rau hauv nyiaj txiag nqe lus, tshwj xeeb tshaj yog yog hais tias muaj kev sib piv nrog rau cov nqi ntawm cov additives pob.

Cons ntawm kev siv dej ntsuab

Thaum koj tau txiav txim siab los sau cov cua kub cev, nws yog ib qho tseem ceeb coj mus rau hauv tus account lub fact tias cov yuav tsum tau tswj lub pom zoo ntau yam kub thaum uas siv cov piav coolant. Txawm yog yus lub hauv paus anti-freeze tsis raug kev txom nyem los ntawm overheating. Kub tej zaum yuav ua rau kev puas tsuaj ntawm cov qauv. Nruab nrab kub taw tes ntawm cov tshuaj yeeb dej caw yog nyob rau hauv ntau ntawm 106 rau 116 degrees. Cov kev tag yuav yog nyob ntawm seb yuav ua li cas npaum li cas rau pes tsawg leeg yog diluted nrog dej nyob rau ntawm lub lub sij hawm ntawm thawj zaug kev npaj rau lub lag luam.

Koj yuav tsum nco ntsoov hais tias ib tug muaj zog overheating ntawm cov dej ntsuab yuav ua tau kom splitting ntawm lub anti-xeb additives. Tom qab ntawd, raws li ib tug txoj cai, yog decomposed thiab boil-off glycols uas tsim acidic tebchaw. Nyob rau lub puab chaw ntawm lub caij cua kub pib rau tso soot, uas tsis zoo muaj feem xyuam rau cov lag luam ntawm tag nrho cov chav tsev. Dej ntsuab, uas xyuas tsis yeej ib txwm tsuas zoo, yuav siv tau los tiv thaiv kom txhob xws txaus ntshai. Ua li no yuav tsum tau los xyuas kom meej enhanced kev, uas eliminates tau coolant overheating.

Nyob rau hauv tas li ntawd, peb yuav muab ua kom tiav kev pab them nqi ntawm cov dej ntsuab tso cua sov uas tiv thaiv overheating. Ceeb tshaj, cov compositions ntawm cov lag luam uas txuam nrog ib tug tsawg dua thaum tshav kub kub muaj peev xwm, thermal conductivity, thiab ntau impressive viscosity yuav tsum tau coj mus rau hauv tus account los xaiv ib tug tsim kev tso kua mis thiab dab.

ntxiv tsis zoo

Tej dej ntsuab yooj yim nrhiav tau txawm lub me tshaj txia thiab tej kab nrib pleb, thiab yog li yuav tsim to. Rau cov yog vim li cas hais tias nyob rau hauv lub medium lub tshuaj rau swell cov ntsaws ruaj ruaj thiab gaskets disappears nyob rau hauv cov chaw no kuj yuav tsim streaks. Yog vim li cas ntawm no yog cov me me thiab qhov chaw nro. Yog hais tias koj xav mus tshem tawm cov teeb meem no, koj yuav tsum ceev kev twb kev txuas. Nws yog tau hais tias tej yam ua yuav yuav tsum tau rov qab ob peb lub sij hawm. Txawm li cas los, tsuas yog txoj kev nws yuav tau los txhim kho lub sealing system.

Qhov no yog tshwj xeeb yog ib qho tseem ceeb thaum twg yog xav lub point uas ethylene glycol yuav oxidized los ntawm kev sib cuag nrog cua. Nrog ua nruab nrab kub oxidation txheej txheem yog ceev xwb 2 lub sij hawm ib xyoo caum ntawm lub kub scale. Tom qab ntawd peb yuav tau txais cov paub qhov teeb meem no tau piav saum toj no. oxidation khoom yuav ua rau kom lub degradation ntawm additives, uas nyob rau hauv lem yuav leeb xeb txheej txheem. Uas yog vim li cas nws yog li ntawd ib qho tseem ceeb los xyuas kom meej tag nrho kev ncaj ncees ntawm lub system, xws li expansion tso tsheb hlau luam.

Xaiv cov anti-freeze chaw tsim tshuaj paus

Yog hais tias koj xav dej ntsuab manufacturers koj yuav tsum xav. Lavxias teb sab tau txais kev pab yog feem ntau xaiv cov khoom ntawm domestic siv thiab ua, vim nws muaj lub feem ntau pheej yig tus nqi. Ntawm cov feem ntau tsum tuam txhab uas muag yuav qhia tau "Sov tsev", "Spektroplast", Kub ntshav, raws li zoo raws li Dixis.

Tab sis los ntawm mas nrws buyer feem ntau tsis kam vim lub impressive tus nqi. Nyob rau hauv feem ntau tus neeg mob lub hauv paus ntawm dej ntsuab yog ethylene glycol, tus yam ntxwv uas tau hais saum toj no. Cov tshuaj yeeb dej caw yuav tau diluted nrog dej mus rau lub kev kawm khov kub. Nws yog ib qho tseem ceeb yuav tau xav txog tsis tsuas cov nqi ntawm cov khoom, tab sis kuj nws biggest drawback, uas yog qhia nyob rau hauv toxicity.

Pom zoo rau siv

Yog hais tias koj xav nyob rau hauv cov nqe lus nug raws li dilute lub dej ntsuab yog mus tsom rau -65 degrees nws yuav tsim nyog los sib tov 60% coolant thiab 40% dej. Qhov no yuav tau txais cov kev soj ntsuam xyuas kub ntawm 25 degrees. Piv kev hloov mus rau 54% dej ntsuab thiab 46% dej kom tau ib tug khov kub nyob rau hauv ntau -20 degrees.

Nyob rau hauv thiaj li yuav paub ntau npaum li cas dej ntsuab nyob rau hauv lub cev, koj yuav tsum ntxiv 90% ntawm qhov teeb meem thiab 10% dej, nws yuav muab ib tug khov taw tes ntawm -25 degrees, uas yog muaj tseeb rau cov dej ntsuab concentrate -30 degrees. Siv tib lub concentrate, tab sis kom txais tau lub khov kub nyob rau hauv ntau -20 degrees yuav tsum tau los mus sib tov 20% dej thiab 80% coolant.

nqe dej ntsuab

ntau cov kev pab yog feem ntau nug cov lus nug, yuav ua li cas npaum li cas dej ntsuab. Tus thawj tshaj plaws los ua tim nyob rau hauv lub siab hais tias qhov ntim ntawm lub thawv muaj peev xwm yuav txawv. Yog li, dej ntsuab qib PRIMOCLIMA ANTIFROST, uas yog raws li nyob rau hauv glycerin, yuav raug nqi 690 rubles 10 kg. Cov tshuaj yeeb dej caw ntawm lub tib lub chaw tsim tshuaj paus, tab sis ua rau lub hauv paus ntawm ethylene glycol, thiab yuav raug nqi koj 1,400 rubles ib 20 kg.

xaus

Thaum koj paub tias ntau npaum li cas dej ntsuab, koj yuav tau mus rau lub khw mus xyuas kom meej tias yuav coolant, uas yuav pab tau koj rau ib ntev lub sij hawm. Qhov no tus taw tes, incidentally, kuj yuav coj mus rau hauv tus account thaum ua ib tug purchase, raws li hais tias yog tsis tsim nyog txuag rau cov teeb meem no. Qhov no yog vim muaj ntau yog vim li cas. Ua ntej ntawm tag nrho cov, cov muaj pes tsawg leeg yuav tsum muaj kev nyab xeeb, nws yuav ho ntev lub neej ntawm txhua lub caij ntawm lub cua sov system.