Mumlengalenga, pafupifupi 78% ndi nitrogen (N2) ndipo pafupi ndi 21% oxygen (O2) ilipo. Kuti mupeze nayitrogeni kuchokera mumlengalenga, ukadaulo wa PSA umagwiritsidwa ntchito ndi mafakitale osiyanasiyana malinga ndi zomwe akufuna. Masefa a Carbon molecular ndi gawo lofunikira kwambiri la makina a pressure swing adsorption (PSA). CMS ikhoza kugwiritsidwa ntchito kupanga nayitrogeni chifukwa cha kuyanjana kwake kwakukulu komanso kuthekera kotsatsa mamolekyu okosijeni.
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Mpweya wopanikizidwa kuchokera ku kompresa umakakamizidwa ndikulowa mu nsanja ya bedi ya CMS. Nsanjayo ili ndi CMS ndipo ili ndi phanga. Komanso chifukwa cha kuyanjana kwake kwapadera kwa mamolekyu a okosijeni, nayitrogeni samadsorbed ndi CMS. Chifukwa chake, mpweya wokhala ndi nayitrogeni ukhoza kulandiridwa ngati zotuluka. Nsanja iyi ndi CMS zikafika pamlingo wokwanira, mpweya umadutsa nsanja yachiwiri. Tsopano nsanja yachiwiri idzalandira mpweya wopanikizika. Panthawiyi, gawo lapitalo lidzakhala ngati desorption mode. Izi zikhoza kutheka mwa kumasula kupsinjika maganizo. Chifukwa chake, ma adsorbed oxygen molecules amachotsedwa. Njirayi imachitikanso popereka nayitrogeni weniweni ngati purge. Kukongoletsedwa uku ndi kusungunuka kudzatulutsa nayitrogeni monga zotulutsa. Panthawi ya desorption, mpweya umatulutsidwa kotero kuti bedi la CMS likukonzekera ulendo wotsatira wa adsorption. Choncho, ma sieve a carbon molecular (CMS) amagwira ntchito yofunika kwambiri pakupanga nayitrogeni.
Nthawi yotumiza: Nov-07-2020
