Chogulitsa cha gawo la desulfurization cha nthambi ya PetroChina Changqing ya mafuta mu fakitale yathu

Chigawo choyeretsera mafuta cha PetroChina Changqing oilfield Branch chili ndi mphamvu yokonza ya 40000 Nm3 ndi 1.0 MPa.

Chida chotsukira mpweya wachilengedwe (MDEA desulphurization) skid, chomwe chimatchedwanso MDEA sweeting skid, ndi chida chofunikira kwambiri pakuyeretsa mpweya wachilengedwe kapena kukonza mpweya wachilengedwe.

MDEA desulfurization skid mpweya wachilengedwe nthawi zonse umagwiritsidwa ntchito pamene sulfure ya kaboni ya mpweya wodyetsa ili yokwera kwambiri, komanso pamene kuchotsa H2 kumasankhidwa.₂S imafunika kuti papezeke mpweya wa asidi woyenera kukonza zomera za Claus, ndi zina zomwe zingasankhidwe kuchotsa H₂S; Mukachotsa H₂S ndi kuchotsa CO yambiri₂, MDEA ndi alcoholamine ina (monga DEA) ingagwiritsidwe ntchito ngati njira yosakaniza amine;

Njira ya Chitsulo chochotsera mpweya wa asidi cha MDEAndi:

Pambuyo poti zinthu zodetsedwa ndi zolimba ndi zamadzimadzi zachotsedwa mu mpweya wodyetsa kudzera mu cholekanitsa ndi cholekanitsa zosefera, mpweya wodyetsa umachotsedwa mu nsanja ya valve yoyandama. Yankho la MDEA limagwiritsidwa ntchito ngati desulfurizer mu nsanja.

Pambuyo pochotsa thovu laling'ono la MDEA kuchokera mu mpweya kudzera mu cholekanitsa chonyowa, mpweya wachilengedwe wonyowa umalowa mu nsanja ya madzi osowa.

TEG imagwiritsidwa ntchito kusungunula mpweya wachilengedwe wonyowa womwe uli mu nsanja ndipo mpweya wouma wochokera mu nsanja yosungunula madzi umagwiritsidwa ntchito. Mpweya wachilengedwe umagwiritsidwa ntchito ngati mpweya woyenerera wotumizidwa kunja.

Madzi olemera a MDEA omwe ali mu nsanja yochotsera sulfur amasanduka nthunzi kuti achotse ma hydrocarbons ndikusefedwa ndi zosefera. Kenako amatenthedwa ndi nthunzi kuti aberekenso madzi osauka a MDEA, omwe amapopedwa kupita ku nsanja yochotsera sulfur kuti achotse sulfur.

Mpweya wachilengedwe wochokera ku MDEA wolemera madzi umachotsedwa ndi cholekanitsa madzi ndi asidi, ndipo yankho la MDEA lolekanitsidwa limapopedwa kupita ku nsanja yochotsera sulfurization. Madzi olemera a TEG omwe amagwiritsidwa ntchito mu nsanja yochotsera kusowa madzi amatenthedwa kuti aberekenso yankho loipa la TEG kudzera mu distillation column, flash tank ndi fyuluta. Umapopedwa kupita ku nsanja yochotsera kusowa madzi kuti madzi asamayende bwino.

Pambuyo pobaya jekeseni ya H₂Mpweya wa S umalowa mu thanki yosungiramo mpweya wa asidi pamalo olekanitsa madzi a asidi, umatenthedwa mu uvuni wa reaction ndipo umakumana ndi mpweya womwe umayamwa ndi compressor ya mpweya kuti upange SO2₂, zomwe zimagwirizana ndi H yotsalayo₂S kuti ipange sulfure yoyambira, kenako imalandira sulfure ikazizira.

Mpweya wachilengedwe ukatha kuchotsedwa mu sulfure udzalowa mu chipangizo choyeretsera mpweya kenako nkunyamulidwa kupita ku fakitale ya jenereta kudzera m'mapaipi.

Lumikizanani nafe:

Sichuan Hengzhong Automation Equipment Co., Ltd.

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