umbalulo wesikhumba sokusebenza vpsa
Umvume we-VPSA (Vacuum Pressure Swing Adsorption) ubonisa umthombo omphambili wotshwala olungakhulu lokusebenzela ukusukumisha nokuhlola amagase. Isistimu esikhoyo sifunda ngokubheka izinhlobo ezincane zomoya phakathi kwezinye eziphambene nezindawo zokusukumisha ezisethweni. Ukufundiswa kuhlanganiswa nge-ambient air okulinga isitayela lesihlabeletha, apho uhlanganiswa ngokulandelayo ukusuka ukususa amaparti kanye namahluko. Umoya owahlanganisiwe uhlula phakathi komkhuhlane womoya, obungako kwiimolecular sieves noma iizeolites, ezizama ukucina amagase amasentene ngokubanzi bese ngamandla yakho yamolekulo. Okungavunyelwe yokuba ku-VPSA nguvelini lwesikrhi somoya, ulandelana nge-vacuum kunye nomoya ofumanekileyo ukuthola ukusukumisha kunye nokuhlola phakathi kokuphumelela. Isistimu sisetshenziswa ngamandla amnyama abaningi abasebenza phakathi kwesikhatsi, ukusure ukuthi kuzo kuhlinzekiswa ngaphandle kokuthi izindawo zingezantsi zisetyenziswa ukusetyenziswa. Izistimu ze-VPSA ezintsha zisetshenziswa ngamandla amnyama asetyenziswa ukubona nokugcina iziparamitha zokusebenzela ngokusheshedwa, ukusukela ukungena nokuhlola kakhulu kunye nokuhlola kwe-produksi. Lutshwalo lusetshenziswa kulandelana ngeemibiko eminingi edlule, ngisho ngokubhekisisa ukusukumisha okanye kunye nokuhlola, kunye nokuthi kuhlanganise umoya omphambili. Ukuze kube kuhluke kakhulu, lokhu luvunyelwe ngokuphelele ukusukumisha kunye nokuhlola.