The zikuchokera antifreeze ndi katundu wake
Zamkatimu
Kufotokozera zonse ndi katundu
The Mkhalidwe zikuchokera antifreeze si amasiyana analogue achilendo. Kusagwirizana kuli kokha mu kuchuluka kwa zigawo. Malo ozizira amakhala ndi madzi osungunuka kapena osungunuka, ethanediol kapena propanediol alcohols, anti-corrosion additives ndi utoto. Kuphatikiza apo, chotchinga chotchinga (sodium hydroxide, benzotriazole) ndi defoamer, polymethylsiloxane, amayambitsidwa.
Monga zoziziritsa kukhosi zina, antifreeze imachepetsa kutentha kwa madzi ndikuchepetsa kufalikira kwa ayezi panthawi yachisanu. Izi zimalepheretsa kuwonongeka kwa jekete la injini yozizira m'nyengo yozizira. Lili ndi mafuta komanso anti-corrosion properties.
Ndi chiyani chomwe chili mu antifreeze?
"Maphikidwe" angapo a antifreeze amadziwika - onse pa inorganic inhibitors komanso pa carboxylate kapena lobrid analogues. Zolemba zapamwamba za antifreeze zafotokozedwa pansipa, komanso kuchuluka ndi gawo la zigawo zamankhwala.
- Glycols
Monohydric kapena polyhydric mowa - ethylene glycol, propanediol, glycerin. Pogwirizana ndi madzi, malo ozizirirapo omaliza amatsitsidwa, ndipo madzi otentha amadzimadzi amawonjezekanso. Zambiri: 25-75%.
- Madzi
Madzi a deionized amagwiritsidwa ntchito. Main coolant. Amachotsa kutentha pamalo ogwirira ntchito. Peresenti - kuchokera 10 mpaka 45%.
- Utoto
Tosol A-40 ndi mtundu wa buluu, womwe umasonyeza kuzizira (-40 ° C) ndi kuwira kwa 115 ° C. Palinso analogue yofiira yokhala ndi crystallization point -65 ° C. Uranine, mchere wa sodium wa fluorescein, umagwiritsidwa ntchito ngati utoto. Peresenti: zosakwana 0,01%. Cholinga cha utoto ndikuwonetsetsa kuchuluka kwa zoziziritsa kukhosi mu thanki yokulitsa, komanso zimathandizira kudziwa kutayikira.
Zowonjezera - corrosion inhibitors ndi defoamers
Chifukwa chotsika mtengo, zosintha zamkati zimagwiritsidwa ntchito nthawi zambiri. Palinso mitundu ya zoziziritsa kukhosi zochokera ku organic, silicate ndi polymer composite inhibitors.
Zowonjezera | Kalasi | Zamkatimu |
Nitrites, nitrates, phosphates ndi sodium borates. Alkali zitsulo silicates
| Zachilengedwe | 0,01 - 4% |
Awiri, atatu-basic carboxylic acid ndi mchere wawo. Nthawi zambiri, succinic, adipic ndi decandioic acid amagwiritsidwa ntchito. | Zachilengedwe | 2 - 6% |
Ma polima a silicone, polymethylsiloxane | Polima kompositi (lobrid) defoamers | 0,0006 - 0,02% |
Defoamers amayambitsidwa kuti achepetse thovu la antifreeze. Kutulutsa thovu kumalepheretsa kutentha komanso kumapangitsa kuti pakhale chiwopsezo cha kuipitsidwa kwa mayendedwe ndi zinthu zina zamapangidwe ndi dzimbiri.
Ubwino wa antifreeze ndi moyo wautumiki
Mwa kusintha mtundu wa antifreeze, munthu akhoza kuweruza dziko la ozizira. Antifreeze yatsopano imakhala ndi mtundu wabuluu wowala. Panthawi yogwira ntchito, madziwo amakhala ndi utoto wachikasu, ndiyeno mtunduwo umasowa kwathunthu. Izi zimachitika chifukwa cha kuwonongeka kwa corrosion inhibitors, zomwe zimawonetsa kufunika kosintha choziziritsa kukhosi. Pochita, moyo wautumiki wa antifreeze ndi zaka 2-5.
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