Nau'in samar da Nitrogen sun haɗa da adsorption na matsa lamba, rabuwar membrane da rabuwar iska na cryogenic.Nitrogen janareta kayan aiki ne na nitrogen da aka ƙera kuma an ƙera su bisa ga fasahar tallan matsa lamba.Na'urar nitrogen tana amfani da simintin carbon monolecular sieve mai inganci da aka shigo dashi azaman adsorbent kuma yana amfani da ƙa'idar tallan matsa lamba na ɗaki don raba iska don samar da nitrogen mai tsafta.Yawancin lokaci, hasumiyai na adsorption guda biyu suna haɗuwa a layi daya, kuma PLC da aka shigo da shi yana sarrafa aikin atomatik na bawul ɗin pneumatic da aka shigo da shi don aiwatar da adsorption mai matsa lamba da farfadowa na lalata don kammala rabuwar nitrogen da oxygen da kuma samun isasshen nitrogen mai tsabta da ake bukata.
Hanyar farko ita ce samar da nitrogen ta hanyar tsarin cryogenic
Wannan hanya ta farko tana matsawa da sanyaya iska, sannan ta shayar da iska.Yin amfani da wuraren tafasa daban-daban na abubuwan oxygen da nitrogen, iskar gas da ruwa a kan tire na ginshiƙin distillation don taro da musayar zafi.Oxygen tare da babban wurin tafasa yana ci gaba da murƙushewa daga tururi zuwa ruwa, kuma nitrogen tare da ƙananan wurin tafasa yana ci gaba da canjawa zuwa tururi, ta yadda abun ciki na nitrogen a cikin tururi mai tasowa yana ci gaba da karuwa, yayin da abun ciki na oxygen a cikin ƙasa. ruwa ya fi girma kuma ya fi girma.Saboda haka, oxygen da nitrogen sun rabu don samun nitrogen ko oxygen.Ana aiwatar da wannan hanyar a yanayin zafi ƙasa da 120K, don haka ana kiran shi rabuwar iska na cryogenic.
Na biyu shine amfani da adsorption na matsa lamba don samar da nitrogen
Hanyar adsorption na matsa lamba shine a zaɓi zaɓin oxygen da abubuwan nitrogen a cikin iska ta hanyar adsorbent, kuma a ware iska don samun nitrogen.Lokacin da iska ta matsa kuma ta wuce ta hanyar tallan tallan na hasumiya, an fi son ƙwayoyin oxygen, kuma ƙwayoyin nitrogen suna kasancewa a cikin lokacin iskar gas don zama nitrogen.Lokacin da adsorption ya kai ma'auni, ana cire kwayoyin oxygen da aka tallata a saman simin kwayoyin halitta ta hanyar ragewa don dawo da karfin adsorption na sieve kwayoyin, wato, nazarin adsorbent.Domin ci gaba da samar da nitrogen, naúrar yawanci tana sanye take da hasumiyai biyu ko fiye, ɗaya don talla, ɗayan kuma don bincike, kuma ana canza su don amfani a lokacin da ya dace.
Hanya ta uku ita ce samar da nitrogen ta hanyar rabuwa da membrane
Hanyar rabuwa ta membrane ita ce raba iskar iskar nitrogen daga gaurayawan gas ta amfani da zaɓin zaɓi na membrane polymerization na halitta.Kayan fim ɗin da ya dace ya kamata ya sami babban zaɓi da haɓaka mai girma.Don samun tsari na tattalin arziki, ana buƙatar membrane rabuwa na polymer na bakin ciki sosai, don haka yana buƙatar tallafi.Makamai na huda sulke yawanci lebur sulke ne na huda sulke da kuma sulke na sulke na sulke na sulke.A cikin wannan hanya, idan samar da iskar gas yana da girma, filin filin da ake bukata ya fi girma kuma farashin fim yana da yawa.Hanyar rabuwa na Membrane yana da na'ura mai sauƙi da aiki mai dacewa, amma ba a amfani da shi sosai a masana'antu.
Don taƙaitawa, abin da ke sama shine babban abun ciki na hanyoyi da yawa na samar da nitrogen.Cryogenic iska rabuwa iya samar ba kawai nitrogen, amma kuma ruwa nitrogen, wanda za a iya adana a cikin ruwa nitrogen ajiya tank.Aiki sake zagayowar na cryogenic nitrogen samar ne kullum fiye da shekara guda, don haka jiran aiki kayan aiki gaba ɗaya ba a la'akari da cryogenic nitrogen samar.Ka'idar samar da nitrogen ta hanyar rabuwar iska shine cewa iska ta shiga cikin tace polymer membrane bayan an tace shi ta hanyar kwampreso.Saboda daban-daban solubility da watsawa coefficient na daban-daban gas a cikin membrane, da dangi permeation rate a daban-daban gas membranes ne daban-daban.Lokacin da tsarkin nitrogen ya fi 98%, farashin ya fi 15% sama da na janareta nitrogen na PSA na ƙayyadaddun bayanai.
Lokacin aikawa: Janairu-18-2022