Iplanti ye-ASU ivelisa iGesi yoLwabi njengala Manyathelo aSixhenxe alandelayo:

1.Ngaphambi koxinzelelo, umoya uhluzwa kwangaphambili ngothuli.

I-2.Umoya uxinzelelwe apho uxinzelelo lokugqibela lokunikezelwa luchongwa ngokubuyiswa kunye nemeko yolwelo (igesi okanye ulwelo) lweemveliso.Uxinzelelo oluqhelekileyo luphakathi kwe-5 kunye ne-10 ye-bar gauge.Umjelo womoya unokuxinzelelwa kwiingcinezelo ezahlukeneyo zokuphucula ukusebenza kakuhle kwe-ASU.Ngexesha lokucinezelwa amanzi ajikisiwe kwizipholileyo eziphakathi kwamanqanaba.

3.Umoya wenkqubo ngokubanzi udlula kwibhedi ye-molecular sieve, esusa nawuphi na umphunga wamanzi oseleyo, kunye ne-carbon dioxide, eya kuba ngumkhenkce kwaye iplage izixhobo ze-cryogenic.Iisefu ze-molekyuli zihlala ziyilelwe ukususa nayiphi na i-hydrocarbons yegesi emoyeni, kuba ezi zinokuba yingxaki kwi-distillation yomoya elandelayo enokukhokelela ekuqhumeni.Ibhedi ye-molecular sieves kufuneka ihlaziywe.Oku kwenziwa ngokufakela iiyunithi ezininzi ezisebenza ngendlela etshintshanayo kunye nokusebenzisa irhasi yenkunkuma eyomileyo eveliswe ngokudibeneyo ukutshabalalisa amanzi.

I-4.Inkqubo yomoya idluliswa kwi-interesting heat exchanger (ngokuqhelekileyo i-plate fin heat exchanger) kwaye ipholile ngokuchasene nemveliso (kunye nenkunkuma) imijelo ye-cryogenic.Inxalenye yomoya iyanyibilika ukuze yenze ulwelo olutyetyiswe yioksijini.Irhasi eseleyo ityebile kwinitrogen kwaye idilizwe ukuba ibe yinitrogen esulungekileyo (ngokuqhelekileyo <1ppm) kwikholamu yoxinzelelo oluphezulu (HP).Icondenser yale kholamu ifuna ifriji efumaneka ekwandiseni umjelo otyebileyo weoksijini ngakumbi kwivalve okanye ngeExpander, (icompressor ebuyela umva).

5 Kungenjalo i-condenser inokupholiswa ngokutshintshana kobushushu kunye nebhoyila kwi-column yoxinzelelo oluphantsi (LP) ye-distillation (esebenza kwi-1.21.3 bar abs. ) xa i-ASU ivelisa i-oksijini ecocekileyo.Ukunciphisa iindleko zoxinzelelo i-condenser/reboiler edityanisiweyo yekholamu ye-HP/LP kufuneka isebenze ngokumahluko kobushushu obuyi-1-2 degrees Kelvin kuphela, ifuna ipleyiti enebrazed aluminiyam yokutshintsha ubushushu.Ucoceko oluqhelekileyo lwe-oksijeni lusuka kwi-97.5% ukuya kwi-99.5% kwaye luchaphazela ukubuyiswa okuphezulu kwe-oksijeni.Ifriji efunekayo ekuveliseni iimveliso zamanzi ifunyenwe ngokusebenzisa i-JT effect kwi-expander esondla umoya oxinyiweyo ngokuthe ngqo kwikholomu yoxinzelelo oluphantsi.Ngenxa yoko, indawo ethile yomoya ayifanele ihlulwe kwaye kufuneka ishiye ikholomu yoxinzelelo oluphantsi njengomlambo wenkunkuma ovela kwicandelo lawo eliphezulu.

6 Ngenxa yokuba indawo yokubilisa ye-argon (87.3 K kwiimeko eziqhelekileyo) iphakathi kwe-oksijini (90.2 K) kunye ne-nitrogen (77.4 K), i-argon yakha kwicandelo eliphantsi lekholomu yoxinzelelo oluphantsi.Xa i-argon iveliswa, umzobo wecala lomphunga uthathwa kuxinzelelo oluphantsi

Ikholamu apho i-argon concentration iphezulu.Ithunyelwa kwenye ikholamu ukulungisa iArgon ekucocekeni okufunayo apho ulwelo lubuyiselwa kwindawo enye kwikholamu ye-LP.Ukusetyenziswa kweepakethe ezicwangcisiweyo zanamhlanje ezinoxinzelelo oluphantsi kakhulu lwehla zenza ukuba i-argon icoceke engaphantsi kwe-1 ppm.Nangona i-argon ikhona ngaphantsi kwe-1% engenayo, ikholomu ye-argon yomoya idinga umthamo omkhulu wamandla ngenxa yomlinganiselo ophezulu we-reflux ofunekayo (malunga ne-30) kwikholamu ye-Argon.Ukupholisa kwekholamu yeargon kunokubonelelwa kulwelo olutyebileyo olwandisiweyo olubandayo okanye ngenitrogen engamanzi.

7 Ekugqibeleni iimveliso eziveliswe ngohlobo lwerhasi zifudunyezwa ngokuchasene nomoya ongenayo ukuya kumaqondo obushushu akwindawo engqongileyo.Oku kufuna ukudityaniswa kobushushu okwenziwa ngononophelo ekufuneka kuvumele ukomelela ngokuchasene nokuphazamiseka (ngenxa yokutshintsha iibhedi zesisefu semolekyuli).Isenokufuna ifriji eyongezelelweyo yangaphandle ngexesha lokuqalisa.