Hoyga, Qalabka iyo qalabka
"Qaboojiye" ee kuleylka: dib u eegista, qiimaha. "Qabow aan lahayn" ee nidaamyada kuleylka
Waxay dhacdaa in isticmaalka biyaha sida qaboojiye aysan macquul ahayn. Xaaladahaas oo kale, macaashku wuxuu ka yimaadaa "barafow-qaboojiye" ee kuleylka. Dareerkani wuxuu leeyahay shuruudo looga baahan yahay xaaladaha hawlgalka. Waxay leedahay dabeecado ka duwan biyaha, taas oo sidoo kale waa in la tixgeliyaa marka la qorsheynayo nidaamka kuleylka.
Ballanta
Ma aha sir ah in mid ka mid ah qaybaha ugu muhiimsan ee guryaha gaarka loo leeyahay waa nidaamka kuleylka. Ka dib oo dhan, kaliya oo ay ku caawin karto waxa aad ku adkeyn kartaa dhaxan daran, kaas oo aan cidna caymis ku leh dalka, guud ahaan, tani ma aha dhacdo naadir ah xilliga qaboobaha. Laakiin, inkastoo macaamiisha u diyaargaroobeyso barafka, waa lagama maarmaan in la siiyo waxoogaa horay loo yaabay. Iyo, laga yaabee, ugu khatarsan iyaga waxay noqon karaan nidaam kuleyliya kuleylka - maaha wax xaaladdan loo tixgelinayo xaalad degdeg ah.
Nidaamka kuleylka, xaaladda degdegga ah si fiican looma foori karin. Waxaa muhiim ah in la ogaado in tani ay dhici karto in aysan ku jirin qolka dhexe ee kululaynta, laakiin sidoo kale boorsada shakhsi ahaaneed. Sababtan awgeed, marka la qorsheynayo nidaam kasta, waxaa lagama maarmaan ah in la tixgeliyo shuruudaha bixinta nabadgelyo dheeraad ah.
Sida laga soo xigtay khubarada, dhibaatada ugu caansan ee guryaha gaarka loo leeyahay waa fashilka khasaare, iyo, sida caadiga ah, tani waxay dhacdaa mar walba lama filaan. Si looga hortago cabsida aan la filayn, iyo sidoo kale in laga saaro fashilka nidaamka kuleylka iyo qaboojinta xiga, khubarada ayaa kugula talinaya isticmaalka dareeraha antifrinta.
Qaabdhismeedka
"Nezamerzayku" kulaylinta - la mid ah qabow ka hor taga ama qabow ka hor taga. Hantida ugu weyn ee qaboojiyahaani ma aha inuu noqdo baraf marka heerkulka la yareeyo. Tani waxay dhalinaysaa dherer ka kooban halbeeg la qaboojiyey. Dhamaan dareeraha aan loo dhigin nidaamyada kuleylka ayaa la soo saaray iyadoo la raacayo isla mabda'a. Waxaa ku jira kuwan soo socda:
- Maadooyinka (wax lagu daro) oo ka masuul ah sifooyinka kala duwanaanta;
- Walxaha (celiyeyaasha) ee ka hortagaya qashinka;
- Qaybta ugu weyn ee firfircoon;
- Aalkolool (glycol).
Qeybta firfircoon
Sidaa darteed, "kuleylka" ee loogu talagalay kuleylka waa walax aalkolo ah. Kaligiis, glycol ma aha mid halis ah, laakiin qaar ka mid ah waxyaabaha lagu daro waxeey waxyeeleyn karaan caafimaadkaaga. Walxaha firfircoon ee dareeraha aan la dhigan karin wuxuu noqon karaa:
- Glycerin.
- Glycol propylene.
- Glycol Ethylene.
Glycol Ethylene
Wakaaladda wareejinta kuleylka oo ku salaysan glycol etylene gebi ahaan waa mamnuuc in la isticmaalo guryaha oo leh deganaansho joogto ah dadka. Xannibaadyada waxaa sababa xaqiiqda ah in "tan aan lahayn" kuleylka kuleylka ee kuleylka waa mid aad u sun ah, haddii uu maqaarka ku dhaco, waxay keeni kartaa gubasho. Iyo helitaanka dareeraha ama gaas gudaha jirka waxay keeni kartaa cawaaqib xun, xataa dhimasho.
Tosol
All antifriti-tayada-tayada yar - mashiinka antifreeze, kaas oo mararka qaarkood sidoo kale ku shubaa nidaamka kuleylka - waxaa lagu sameeyey saldhigga ethylene. Si kastaba ha noqotee, haddii ay jirto suurtagalnimada xiriirka aadanaha ee glycol ee ethylene, markaa isticmaalkeeda waa in loo tagaa sababo dhowr ah:
- Warshadaha laba-wareegga ah, isku dar ah ayaa lagu daraa wareegga biyaha kulul.
- Baxsiga suurtagalka ah.
- Waxaa laga yaabaa in uumi ah taangiga ballaarinta furan.
Ha isticmaalin dareeraha glycol ee aan la qaboojin lahayn ee nidaamyada halkaasoo kuleyliyaha laba-wareegga ah loo isticmaalo kululeeyaha.
Glycol propylene
Qalabka wareejinta kuleylka ee ku salaysan glycol propylene waa gebi ahaan aan sun ahayn. Dabcan, tani macnaheedu maahan in la sakhraami karo, laakiin haddii aad si ula kac ah u garaacday maqaarka ugu yar qiyaasta ama xitaa gudaha, ma jiri doonto dhibaato caafimaad.
Glycerol
Glycerin "aan caajis ahayn" ee loogu talagalay kuleylka (qiimaha waa ka hooseeyaa) ayaa daadadku gaadhay tan iyo bartamihii qarnigii labaatanaad waxaana lagu guuleystey illaa hadda. Glycerin waa daaweyn caalami ah, oo ka duwan labadii hore, ma qallajin doono caaggu, laakiin halkii dib ayuu u soo celiyaa. Si kale haddii loo dhigo, dareeraha glycerin wuxuu ku dhaqmaa caag ahaan sida saliidda dib u soo celinta, natiijada, midna maaha in uu ka walwalo xaalada cirridka qabashada.
Soo-bandhigayaasha guud
Macaamiisha Ruushka, kuwa ugu caansan waa "aan-dhaxan" ee kuleylka guryaha kuleylaha sida:
- "Dhiiga kulul ee Eko."
- Stugna-N
- "Gurmad Dheer."
Marka aad dooranaysid antifaati, waxaa muhiim ah in la xusuusto in maaddada glycol propylene ee ku jirta ay muujinayso in geeddi-socodka crystallization ee dareeraha ku dhaco heerkul ah -60 ° C.
Kuleylka kuleylka ee kuleylka: qiimaha iyo tilmaamaha farsamada
Astaamaha | Biyo diirran | KhNT-40 | «Dhiigga Kulul 30 Eco» | «Hot Stream 30 Eco» | «Dixis Top» | "Gurmad diirran 30 Eco" |
| Midab | Transparent | Flores fluorescent | Calanka Casaanka | Green Fl | Fl-Yellow-Fl | Green Fl |
| Awoodda kuleylka | 4.19 kJ (kg × K) | 3.57 kJ (kg × K) | 3.56 kJ (kg × K) | 3.55 kJ (kg × K) | 3.6 kJ (kg × K) | 3.62 kJ (kg × K) |
| Viscosity | 1 mm 2 / C | 7.1 mm 2 / C | 6.1 mm 2 / C | - | - | 5.86 mm 2 / C |
| Karkarinta | 100 ° C | 106 ° C | 108 ° C | 106 ° C | 104 ° C | 106 ° C |
| Xaraarada heerkulka | 0 ° C | -40 ° C | -30 ° C | -30 ° C | -30 ° C | -30 ° C |
| Cufnaanta | 1 g / cm3 | 1.075 g / cm3 | 1.05 g / cm3 | 1.045-1.05 g / cm3 | 1.05 g / cm3 | 1.04 g / cm3 |
| PH | 7aad | 8-10 | 8.0-9.5 | 8.0-9.5 | 8.7 | 7.5-9.0 |
| Qiimaha halkii litir | 20 Rug. | 180 Rug. | 130 roon. | 80 Rug. | 115 Rug. | 80 Rug. |
Talooyin iyo jawaab celin ka timid takhasusle
Dabcan, dareeraha - "kudheer la'aan" ee kuleylka ayaa leh qaabab kala duwan, astaamaha iyo jawaab celinta codsiga, laakiin xaaladda ugu weyn waa la'aanta hareeraha. Halbeegga antifreeze waxaa lagu go'aamiyaa nidaamka heerkulka ee kristalisku uu dhaco. Dabcan, waa inaad doorataa heerkul hoose, taas oo ah mid caadi ah aagga cimilada.
Noocyada nidaamka kuleylka ayaa go'aamiya waxa "aan-dhaxan" ee nidaamka kuleylka guriga ee ugu fiican. Sida horey loogu soo sheegey, dhammaan antifriyarrada waxaa la abuuray iyadoo la adeegsanayo walxo kala duwan. Halabuurka wuxuu ku jiri karaa glycol etylene, tani waa walax sun ah, sidaas awgeed waxaa loo isticmaali karaa kaliya nidaamyada kuleylka xiran. Dareecada aan la qaboojineynin ee ku salaysan glycol propylene, sida uu qabo khabiiro, waa sun yar.
Antifriyadoodu waxay gacan ka geystaan sii kordhinta nolosha shaqada ee kuleylka oo dhan, oo ay ku jiraan radiators. Tan ugu muhiimsan, qaboojiyaha noocan oo kale ah ayaa ka hortagaya abuuritaanka gaaska.
Dareeto aan la qaboojin Karin waa isku dhafka glycol propylene iyadoo lagu darayo qaybo kala duwan oo jajab ah. Celcelis ahaan, nolosha antifreeze waa 4-5 sano.
Gabagabo
Tayada "non-frost" ee nidaamyada kuleylka waa inay hubiyaan habsami u socodka nidaamka, xitaa xaaladaha degdegta ah. Sidaa darteed, si loo badbaadiyo iibka antifreeze waa gebi ahaan waxtar. Waxaad badbaadin kartaa laga yaabaa in waxa caanaaha biyo arimaha debeda, laakiin kaliya haddii ay dhacdo in, haddii aadan paniruete aad ku shaqeeyaan nidaamka kulaylku ku hoos jira xaalad aad u daran, tusaale ahaan, in qaybaha waqooyi ee dalka.
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