A halin yanzu, hanyoyin da ake bi wajen fitar da helium daga iskar gas a gida da waje sun haɗa da hanyar cryogenic, hanyar adsorption, hanyar rabuwar membrane, ko haɗin hanyoyin biyu ko uku da ake amfani da su tare.
1) Hanyar sanyaya mai zurfi
Narkewar sanyi mai zurfi hanya ce da aka saba amfani da ita a yawancin masana'antar samar da iskar gas ta helium mai matsakaici zuwa babba. Manufar ita ce amfani da sinadarin nitrogen mai ruwa a matsayin mai sanyaya (kimanin -190 ℃) don rage yawan iskar da ke shiga cikin iska a hankali. tara sinadarin hydrocarbons da sauran abubuwan da ke cikin iskar gaskuma saboda ƙarancin tafasar helium, a ƙarshe ya rabu da sauran abubuwan da ke cikin iskar gas.
2) Hanyar shaƙar matsi
The Tsarin shaƙar matsi mai jujjuyawa (PSA) yana amfani da mayukan shafawa daban-daban don shanye abubuwan da ke cikin iskar gas banda helium, ta haka ne yake raba kayayyakin helium. Gabaɗaya, hasumiyoyin shaye-shaye na PSA suna cike da gadajen raba kayan shaye-shaye daban-daban don magance abubuwa daban-daban a cikin iskar gas, kamar su gel na silica ko gadajen alumina don cire ruwa, gadajen carbon da aka kunna don cire carbon dioxide, gadajen zeolite don cire methane da nitrogen, da sauransu. Bayan mai shaye-shaye ya cika iskar gas mai ƙazanta, ana iya amfani da hanyoyi kamar rage matsin lamba ko famfo na injin don warware iskar gas mai ƙazanta, ta haka ne ake dawo da aikin mai shaye-shaye.
3) Hanyar rabuwar membrane
Famfon raba iskar gas wata sabuwar fasaha ce ta rabuwa. Abubuwan da ke cikin iskar gas suna canja wurin nauyi akan fina-finan polymer (kamar su acetate fibers, polypropylene, polysulfone, polyimide, da sauransu) bisa ga ka'idar wargajewa. Rabawar kowane bangare ana samun ta ne ta hanyar canza saurin narkewa da yaduwar abubuwan gas daban-daban a cikin kayan membrane. Lokacin da cakuda iskar gas biyu ko fiye ya ratsa ta cikin fim ɗin polymer, yawan shigar abubuwan kamar helium da hydrogen ya fi na nitrogen, methane, da sauran hydrocarbons girma.
Tuntuɓi:
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Lokacin Saƙo: Maris-01-2024