Mekhoa ea F Ho felloa ke metsi 'meleng ka khase ea tlhaho ea TEG ke tsela e tloaelehileng ea ho tlosa metsi khaseng ea tlhaho.
Khase ea tlhaho e metsi e kolobisitsoeng e aroloa ho marotholi a 5 μm le ho feta ka karohano ea sefe ebe e kena ka phapusing ea karohano ea khase le mokelikeli karolong e ka tlase ea tora ea ho monya triethylene glycol ea yuniti ea ho ntša metsi ho arola mokelikeli o lokolohileng o ka tlisoang tora ea ho monya ha karohano ea sefe e le boemong ba kotsi. E kena karolong ea ho monya ka holimo ho tora ea ho monya. Triethylene glycol e nchafalitsoeng e kenngoa ka holimo ho mokelikeli ho kopana ka botlalo le khase ea tlhaho e tlase-holimo ho mokelikeli bakeng sa phetisetso ea bongata le phapanyetsano ho tlosa metsi. Khase ea tlhaho e tlosoang mongobo e tlosoa ke mokelikeli oa tower top bakeng sa marotholi a fetang 5 μm a glycol a tsoang tora.
Kamora ho tloha toreng, e fapanyetsana mocheso le glycol e chesang e sa tebang pele e kena toreng ka sehokelo sa mocheso se koahelang casing ho fokotsa mocheso oa triethylene glycol e kenang toreng. Khase ea tlhaho kamora phapanyetsano ea mocheso e kena ka karohanong ea sefe ho arola glycol e jereng ebe e kena ka phaepheng ea kantle ho naha. Triethylene glycol e ruileng e monyang metsi ka har'a khase ea tlhaho e phalla ho tsoa toreng ea ho monya 'me e kena ka valve e laolang boemo ba metsi. Kamora ho fokotsa khatello, e kena poleiting ea ho pholisa ea reflux e kaholimo ho kholomo e ruileng ea mokelikeli o nonneng, e fapanyetsana mocheso le mouoane o chesang o hlahisoang ka har'a reboiler, e fana ka bokhoni ba ho pholisa ba reflux holimo ho kholomo, e futhumatsoa ho fihlela ho 50 ℃, 'me phaephe ea ho tsoa e kena ka tankeng ea triethylene glycol flash. Glycol e ruileng e fokotsoa khatello ho fihlela ho 0.4MPa ~ 0.6MPa ka tankeng ea flash, 'me khase ea hydrocarbon le likhase tse ling tse qhibilihisitsoeng ka har'a triethylene glycol lia benya, e sebelisoang e le khase ea mafura bakeng sa ho chesa reboiler.
Mokelikeli o nang le khanya o bitsoang triethylene glycol o kena sefeng sa mechini ho sefa litšila tsa mechini, ebe o kena sefeng sa khabone e sebetsang ho monya li-hydrocarbon tse qhibilihisitsoeng ho triethylene glycol le lintho tse senyehang tsa triethylene glycol. Ebe o kena poleiting e nang le mocheso o nang le metsi le o fokolang ho fapanyetsana mocheso le triethylene glycol e nang le mocheso o phahameng e tsoang tankeng ea buffer ea phapanyetsano ea mocheso karolong e ka tlase ea reboiler ea triethylene glycol. Phapanyetsano ea mocheso e nyolohela ho 120 ~ 130 ℃ mme e kena kholomong ea distillation ea metsi e nang le metsi a mangata.
Ka har'a reboiler ea triethylene glycol karolong e ka tlase ea kholomo ea distillation, triethylene glycol e futhumatsoa ho fihlela ho 193 ℃, 'me metsi a ka har'a triethylene glycol a aroloa 'me a ntšoa ho tloha holimo kholomong ea distillation ka ho aroloa ha kholomo ea distillation. Lean glycol e nang le mahloriso a ka bang 99% (WT) e tlala ho tloha kholomong ea ho hlobola metsi a lean ka har'a reboiler ho ea tankeng ea ho fapanyetsana mocheso ea triethylene glycol e tlase. Tlas'a ts'ebetso ea khase e omileng kholomong ea ho hlobola metsi a lean, mahloriso a lean glycol a kenang ka tankeng ea ho fapanyetsana mocheso a ka fihla ho 99.5% ~ 99.8%.
Ka tankeng ea glycol buffer, glycol e se nang mafura e nang le mocheso oa hoo e ka bang 193 ℃ e kena ka har'a exchanger ea mocheso oa glycol e ruileng le e futsanehileng ho fapanyetsana mocheso le glycol e ruileng. Ha mocheso o theohela ho hoo e ka bang 100 ℃, o kena ka har'a pompo. Lean triethylene glycol e pompeloa ka har'a exchanger ea mocheso oa khase-mokelikeli ka ntle ho absorber ka pompo, e pholisitsoe ka phapanyetsano ea mocheso oa khase e tsoang kantle, ebe e kena ka holimo ho absorber ho tloha karolong e ka holimo ea casing ho phethela potoloho ea solvent.
Molapo oa khase e omileng o ntšoa karolong ea phaephe ea khase e omileng moo ho tsoa mokelikeli 'me o kena phaepheng ea ho futhumatsa khase e omileng ea tanka ea phapanyetsano ea mocheso karolong e ka tlase ea triethylene glycol reboiler. Kamora ho futhumatsoa ke triethylene glycol e se nang mafura, e huleloa ho 0.4MPa ka valve e laolang khatello e iketsang 'me e kena ka tankeng ea buffer ea khase ea mafura. Kamora ho tsoa tanka ea buffer ea khase ea mafura, e arotsoe ka litsela tse peli. Tsela e 'ngoe e futhumatsoa 'me e kena karolong e ka tlase ea kholomo ea ho hlobola metsi e se nang mafura e le khase ea ho hlobola metsi e se nang mafura; E 'ngoe ke khase ea mafura e sebelisoang e le reboiler.
Nako ea poso: Mots'eanong-15-2022