Ganacsiga, Warshadaha
Production baraf qallalan guriga
baraf qallalan waa carbon dioxide adag (dioxide), si deg deg ah maraya in uumi cadaadiska Hawada iyo heerkulka qolka. Wejiga dareere sidaas minuetsya.
baraf qallalan waxaa dalbaday injineernimada farsamada, macdantu in soo saaridda ee alaabta caag, marka baaraandegidda bacyaal iyo polymers in gaadiidka aqueous / tareenka, in laboratories, iyo laamaha kale (in dib u soo celinta ee guriyo, meelaha alwaax inta lagu guda jiro nadiifinta iyo nadaafadda ee hawo).
Waayo, wax soo saarka warshadaha ee carbon dioxide warshad carbon dioxide loo baahan yahay. Hel barafka qallalan (qiimaha a safafka kiilo ka 35 ilaa 45 rubles, taas oo ku xidhan gobolka iyo dhibaatooyin dhalmada) had iyo jeer uma shaqeeyo. Ka ciyaaraan door in meesha ugu horeysa, arrimo ay ka mid yihiin meel fog ka soo bixiyey meeshii wax soo saarka ee carbon dioxide iyo kakanaanta gaadiidka (u baahan kaamerada) weel gaar ah (). Laakiin haddii dhibaatooyinkan weli xalin, waxa la sameeyo iyada oo degdeg ah? Ka dib oo dhan, waxaa jira xaalado marka carbon dioxide u adag waxaa isla markiiba loo baahan yahay, iyo in ay search iyo gaarsiinta qaadan kartaa ma aha oo kaliya daawado, laakiin sidoo kale maalin.
Ma doonaysaa in aad ogaato sida loo sameeyo barafka engegan? Wax walba waa cusub, sida uu yahay loo yaqaan, illowday jir. Mid ka mid ah uu leeyahay oo kaliya in la xasuusto manhajka dugsiga.
Waayo, wax soo saarka ee madax banaan ee qadar yar oo ah barafka engegan waxaad u baahan doontaa:
- dab-bakhtiiye (carbon dioxide, calaamadsan nooca OS, kuwa kale oo aan ku haboon);
- bac ka dhigay out of suuf dhar cufan,
- gashi (dareemay ama suuf, laakiin aad u cufan);
- maaskaro si loo ilaaliyo wejigaaga (ama ugu yaraan koob ugu).
Carbon dioxide dab-bakhtiiye (Du calaamadeynta) ula carbon dioxide oo ku taal gobolka oo ah dareere (cadaadis) iyo gaadho wax soo saarka heerkulka halkii hooseeyo buuxiyey (qiyaastii -72 ° C). Taasi waa sababta ay taxaddar ah si muhiim ah (galoofyada, maaskaro).
Marka ay bacdu waxaa ka buuxa, sii daayo kabaalka iyo ka saar waxyaabaha gudaha - waxaad arki doontaa xabbadood oo baraf aad u qalalan in aan isaga u baahan tahay.
kaydinta dheer ee alaabta sababtay ayaa suuragal ah keliya at heerkul ah -80 ° C ama ka hooseeya. Home si ay u abuuraan xaalado sida ficil ahaan waa wax aan macquul aheyn, laakiin kordhiyo nolosha ah ee barafka engegan aad karto, la abuuro adhaxda ka mid ah darmuuska a. Ma kartoon wanaagsan, gudaha iyo jiidh leh bac iyo xumbo. wareegga Air waa in laga joojiyaa.
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