Gas Sweetening Skid Inobatanidza Molecular Sieve Desulphurization uye TEG Dehydration yeZvirimwa zveLNG zveNext-Generation
Sezvo indasitiri yepasi rose yegesi yechisikigo yakanyungudutswa (LNG) ichienderera mberi nekutsvaga kuchena kwakanyanya muna 2026, chidziviriro chemafuta chinotapira Yakashanduka kuita nzvimbo yekurapa yakabatana zvizere, ichisanganisa Molecular sieve desulphurization yepamusoro neTEG gas dehydration unit kuti ipe gasi rekudyisa rakaoma kwazvo, risina sarufa kuti riite kuti mvura inyure mumvura.
Pachivanhu, masisitimu akavakirwa paamine aibata nekubvisa gasi rine acid yakawanda, asi gadziriro yemazuva ano yekutapira gasi ikozvino inosanganisiraKubviswa kwesulfurization yemasero musefa layer—ichishandisa ma "synthetic zeolites" ane saizi dzakanyatsorongeka dzemapore—kupukuta rwizi rwegasi nekutora ma residual mercaptans, COS, uye kutevedzera H₂S kusvika pamazinga e sub-ppm. Kubvisa sulphurization kwakakosha kune LNG plant cryogenic heat exchangers, uko kunyange ma "small sulfur compounds" anogona kukonzera kuumbwa kwakasimba uye kusvibiswa pa -162 °C.
Pamwe chete nechikamu ichi chekudzivirira mvura (molecular sieve bed) pane TEG gas dehydration unit, iyo inoshandisa triethylene glycol kunwisa mvura, zvichiita kuti mvura iderere kusvika pa40–60 °C uye kuderedza mvura kusvika pasi pe0.1 lb/MMscf. Kana yakarongedzwa zvakatevedzana pagasi rimwe chete, Molecular sieve desulphurization pamwe neTEG dehydration sequence zvinoita kuti gasi rakagadziriswa risvike pazvinodiwa zvepipeline neLNG plant inlet pasina chikonzero chemidziyo yakasiyana, inoshandisa nzvimbo.
Ruzivo rwechangobva kuwanikwa kubva kukambani huru yeLNG yeSoutheast Asian runoratidza kuti kutsiva mayuniti akazvimiririra negasi rakasanganiswa rakaderedza simba remagetsi ne35% uye kuderedza kushandiswa kwesimba remagetsi neanenge 20%. Vashandi vanobatsirwawo nekushandisa zvishandiso zvinogovaniswa, mavharuvhu ekuchinja otomatiki, uye gasi rinodzokororwa rinoita kuti kupisa kushande zvakanaka.
"Nekunge mitemo yakasimba yekuburitsa utsi iri kushanda gore rino, kudzikiswa kwekunakisa gasi hakusi kungoshandiswa chete - ndiyo moyo wekushanda kweLNG plant," akadaro mumwe mukuru wemainjiniya wekugadzira zvinhu pakambani inotungamira yeEPC. "Molecular sieve desulphurization inopa kupenya kwekupedzisira, nepo Chigadzirwa chekubvisa mvura kubva mumhepo cheTEG inovimbisa kushanda zvakanaka kwemvura; pamwe chete, vanoumba nzira yakasimba yekurapa isati yatanga iyo inowedzera nguva yekunwa mvura.
Sezvo simba reLNG pasi rose richikura neanopfuura mamiriyoni makumi matanhatu ematani pagore muna 2026-2027, kudiwa kwezvidziyo zvidiki zvegasi zvine simba guru zvine sieve yakabatanidzwa uye glycol dehydration kwava kuda kuwedzera, zvichikurudzira hunyanzvi mukugadzira modular yakagadzirwa neskid uye kugona kwekutarisa kure.
Bata nesu:
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