umkhuhlu wokugcina amadlozi aVPSA
Umgeni wokho eVPSA (Vacuum Pressure Swing Adsorption) lokuhlola amaxhobo alawula ukusetyenziswa kweoxygen ngexesha elilinempumelelo. Isistimu esisophutha lesi sebenzisa imibuzi yamolekule ezikhoyo ukulandelana neoxygen kwindlela yokubala ekhethweni lwezintathu, ukuze akhuse lethezi phakathi kwe-95%. Umsebenzi ufumaneka ngeminyaka emabili: umsebenzi we-adsorption apho inithi engcono ingasusiwa ngumolekule we-adsorption ngendlela yokuphucwayo, kunye nomsebenzi we-desorption apho iindawo zokungqanqanyiswa zifihliseleyo inithi engcono. Umgeni usetyenziswa ngokushesha ngezikhathi zokuphucwayo nokungqanqanyiswa, ukuvumela ukususa okulinganayo ngoxygen enhle. Izinga lezi zezinto ezimoderni ze-VPSA zingavunyelwe izindlela ezincane zokubhala nokufinyelela amaparamitha ngendlela yokushesha, ukuba ziphinde ziyongezeleleyo nokukhetha ngendlela yokusebenza nokusebenzela umphandla wokusebenza nokusebenzela umoya. Lezi zizigeni zizidinga izinkinga eziningi ezifanekiso, phakathi kweminyaka engaqondileyo ezikwazi ukusetshenziswa kweoxygen eziklinikini kunye neziphi zezinhlangano zokusebenzela. Ukusethenziswa komphandla wesistimu sifumanekile ukuba kuhlonipheke ukusuka kweziphi lezi zezinto ezishayamazwe ezinikezelayo, futhi ungenziwe ukusetshenziswa ngokuphumelela nokukhangeleka kakhulu. Iteknoloji yesi VPSA yalandelayo ukusetshenziswa kweoxygen ngokungena indlela eyahlukene, engeyiyo nokulula kakhulu, njenge-liquid oxygen supply okanye iPSA ezimbili ezidluliswayo. Lomdlalo usebenzisa ngokupheleleyo phakathi kwezinkampani zokugcina umoya omkhulu, ukusebenzisa isitshalo sokungapheli umoya, kunye nezinto ezimbili ezinokusetshenziswa ezincedisiyo ukusetyenziswa kokusetshenziswa kweoxygen.