Samar da Nitrogen Tare da Fasahar Swing Swing (PSA).

Ta yaya Matsi Swing Adsorption ke aiki?

Lokacin samar da nitrogen na ku, yana da mahimmanci ku sani kuma ku fahimci matakin tsarkin da kuke son cimmawa.Wasu aikace-aikacen suna buƙatar ƙananan matakan tsabta (tsakanin 90 da 99%), kamar hauhawar farashin taya da rigakafin gobara, yayin da wasu, kamar aikace-aikacen a cikin masana'antar abinci da abin sha ko gyare-gyaren filastik, suna buƙatar matakan girma (daga 97 zuwa 99.999%).A cikin waɗannan lokuta fasahar PSA ita ce hanya mafi sauƙi kuma mafi sauƙi don tafiya.

A zahiri mai samar da nitrogen yana aiki ta hanyar raba kwayoyin nitrogen daga kwayoyin oxygen a cikin iska mai matsewa.Matsa lamba Swing Adsorption yana yin haka ta hanyar kama iskar oxygen daga magudanar ruwa ta hanyar amfani da adsorption.Adsorption yana faruwa ne lokacin da kwayoyin ke ɗaure kansu zuwa wani abin sha, a cikin wannan yanayin kwayoyin oxygen suna haɗawa da simintin kwayoyin carbon (CMS).Wannan yana faruwa a cikin tasoshin matsa lamba guda biyu, kowannensu cike da CMS, wanda ke canzawa tsakanin tsarin rabuwa da tsarin sabuntawa.A halin yanzu, bari mu kira su hasumiya A da hasumiya B.

Don masu farawa, iska mai tsabta da busassun matsawa suna shiga hasumiya A kuma tun da kwayoyin oxygen sun fi ƙananan ƙwayoyin nitrogen, za su shiga cikin pores na carbon sieve.Kwayoyin Nitrogen a gefe guda ba za su iya shiga cikin ramuka ba don haka za su ketare sieve kwayoyin carbon.A sakamakon haka, kun ƙare tare da nitrogen na tsarkin da ake so.Wannan lokaci shi ake kira da adsorption ko rabuwa lokaci.

Bai tsaya nan ba.Yawancin nitrogen da aka samar a cikin hasumiya A yana fita daga tsarin (shirye don amfani kai tsaye ko ajiya), yayin da wani karamin yanki na nitrogen da aka samar yana tashi zuwa hasumiya B ta wata hanya dabam (daga sama zuwa kasa).Ana buƙatar wannan kwararar don fitar da iskar oxygen da aka kama a cikin lokacin adsorption na baya na hasumiya B. Ta hanyar sakin matsin lamba a hasumiya B, sieves na kwayoyin carbon sun rasa ikon riƙe ƙwayoyin oxygen.Za su rabu da sieves kuma za a ɗauke su ta hanyar shaye-shaye ta hanyar ƙaramin iskar nitrogen da ke fitowa daga hasumiya A. Ta yin hakan tsarin yana ba da damar sabbin kwayoyin oxygen don haɗawa da sieves a cikin wani lokaci na gaba adsorption.Muna kiran wannan tsari na 'tsaftacewa' sabuntawar hasumiya mai cike da iskar oxygen.

Na farko, tanki A yana cikin lokacin adsorption yayin da tankin B ya sake farfadowa.A mataki na biyu duka tasoshin suna daidaita matsa lamba don shirya don sauyawa.Bayan canzawa, tankin A yana fara farfadowa yayin da tanki B ke haifar da nitrogen.

A wannan lokaci, matsa lamba a cikin hasumiya biyu za su daidaita kuma za su canza matakai daga adsorbing zuwa farfadowa da kuma akasin haka.CMS a hasumiya A za ta cika, yayin da hasumiya ta B, saboda damuwa, za ta iya sake farawa aikin talla.Ana kuma kiran wannan tsari a matsayin 'swing of pressure', wanda ke nufin cewa yana ba da damar ɗaukar wasu iskar gas a matsa lamba mafi girma kuma a saki a ƙananan matsa lamba.Tsarin PSA na hasumiya biyu yana ba da damar ci gaba da samar da nitrogen a matakin tsaftar da ake so.