Gasi rechisikigo rakanyorova kana razara rinoparadzaniswa nemuchina wekuparadzanisa madonhwe emvura e5 μm zvichikwira, uye rozopinda mukamuri rekuparadzanisa gasi nemvura riri pasi pe Nhare yekunyudzwa kweTEG (Triethylene gly) ye chikamu chekubvisa mvura mumuviri kuparadzanisa mvura yakasununguka inogona kuunzwa mushongwe yekunyudza kana chisefa chinoparadzanisa chiri munjodzi. Pinda muchikamu chekunyudza kuburikidza neriser yeshongwe yekunyudza. TEG yakagadziriswazve inopombwa pamusoro peshongwe yekunyudza kuti ibatane zvizere negasi rechisikigo kubva pasi zvichikwira pamusoro peshongwe yekunyudza kuti ifambise huwandu uye ibvise hunyoro. Gasi rechisikigo rakapera mvura rinoburitswa kubva mushongwe mushure mekubvisa madonhwe eglycol anopfuura 5 μ m kuburikidza ne tower top mist catcher.
Mushure mekubuda mushongwe, kupisa kunotsiviwa nehot lean glycol isati yapinda mushongwe kuburikidza ne tubular heat exchanger kuderedza tembiricha yeTEG inopinda mushongwe. Mushure mekutsiviwa kwekupisa, gasi rechisikigo rinopinda mu filter separator kuti riparadzanise glycol inotakura uye robva rapinda mu export pipeline. TEG yakapfuma, iyo inonwisa hunyoro mugasi rechisikigo, inoyerera ichibuda mushongwe yekunyudza uye inopinda mu liquid level control valve. Mushure mekutsiviwa, inopinda mu reflux cooling plate iri pamusoro pe rich liquid distillation column kuti ichinje kupisa ne hot steam inogadzirwa mu reboiler. Mushure mekupa reflux cooling capacity ye column top, TEG yakapfuma inodziiswa kusvika pa50 ℃. Outlet tube inopinda mu TEG flash tank. Rich glycol inotsiviwa kusvika pa0.4MPa ~ 0.6MPa mu flash tank. Hydrocarbon gas nemamwe magasi akanyungudutswa mu TEG anodzimwa, uye magasi aya anoshandiswa sefuel gas yekupisa reboiler.
Mushure mekupenya, mvura yakapfuma yeTEG inopinda mufirita yemakanika kuti isefe tsvina yemakanika, uye yobva yapinda mufirita yekabhoni yakakangwa kuti iwedzere kunyungudutsa zvinhu zvehydrocarbon zvakanyungudutswa muTEG nezvinhu zvinoora zveTEG. Zvadaro inopinda muplate rich uye poor liquid heat exchanger kuti ichinje kupisa neTEG ine tembiricha yakakwira kubva mutangi repasi reTEG reboiler. Tembiricha yekuchinjana kupisa inokwira kusvika 120 ~ 130 ℃ uye inopinda mukoramu ye distillation yemvura yakapfuma.
Muchigadziko cheTEG chiri pasi pechikamu chedistillation, TEG inodziiswa kusvika 193 ℃, uye mvura iri muTEG inopatsanurwa uye inoburitswa kubva pamusoro pechikamu chedistillation. Kuwanda kweinenge 99% (WT) ye lean glycol kunodururwa mutangi repasi reTEG heat exchange buffer nechikamu che lean liquid stripping chiri muchikamu chereboiler. Pasi pekushanda kwegasi rakaoma muchikamu che lean liquid stripping, kuwanda kwe lean glycol inopinda mutangi re heat exchange buffer kunogona kusvika 99.5% ~ 99.8%.
Mutangi reglycol buffer, lean glycol ine tembiricha inosvika 193 ℃ inopinda mu glycol heat exchanger yakapfuma uye isina kunaka kuti ichinje kupisa ne glycol yakapfuma. Kana tembiricha yaderera kusvika pa100 ℃, inopinda mupombi. Iyo lean liquid TEG inopombwa mu external gas-liquid heat exchanger ye absorption tower ne pombi. Mushure mekutonhodza ne gas heat exchanger ichibva mu tower, inopinda pamusoro pe absorption tower kubva pamusoro pe casing pipe kuti ipedzise solvent circulation.
Rukova rwegasi rakaoma runoburitswa kubva muchikamu chegasi rakaoma panobuda shongwe yekunyudza, uye runopinda mupombi yekupisa gasi rakaoma yetangi rekuchinjana kwekupisa riri pasi peTEG reboiler. Mushure mekupiswa neTEG isina simba, inodhonzwa kusvika ku0.4MPa nevharuvhu rinodzora kumanikidzwa rinozvishandira roga uye robva rapinda mutangi rebuffer gas. Mushure mekubuda mutangi rebuffer gas, rinokamurwa kuita nzira mbiri, imwe yacho inopiswa uye inopinda muchikamu chezasi chebuffer gas isina simba, uye imwe segasi rebuffer reboiler. Iyi ndiyo nzira ye mvura inobvisa gasi rechisikigo.
Nguva yekutumira: Kukadzi-26-2023