Desulfurization unit product ya PetroChina Changqing oilfield nthambi mu fakitale yathu

Desulfurization unit ya PetroChina Changqing oilfield Branch's ili ndi mphamvu yopangira 40000 Nm3 ndi 1.0 MPa.

MDEA desulphurization (desulfurization) skid, yomwe imatchedwanso MDEA sweeting skid, ndi chipangizo chofunikira kwambiri pakuyeretsa gasi kapena kukonza gasi.

MDEA desulfurization skidmpweya wachilengedwe umatengedwa nthawi zonse pamene mpweya wa sulfure wa mpweya wa chakudya uli wokwera kwambiri, ndipo posankha kuchotsa H₂S imafunika kuti mupeze mpweya wa asidi woyenera kukonzedwa kwa zomera za Claus, ndi zina zomwe zingasankhidwe kuchotsa H₂ S; Pochotsa H₂S ndikuchotsa kuchuluka kwa CO₂, MDEA ndi alcoholamine ina (monga DEA) ingagwiritsidwe ntchito ngati njira yosakanikirana ya amine;

Ndondomeko yaMDEA acid kuchotsa gasi skidndi:

Pambuyo pochotsa zodetsa zolimba ndi zamadzimadzi kuchokera ku gasi wodyetsa kudzera pa cholekanitsa ndi cholekanitsa fyuluta, mpweya wodyetsa umachotsedwa munsanja ya valve yoyandama. Njira ya MDEA imagwiritsidwa ntchito ngati desulfurizer mu nsanja.

Pambuyo pochotsa thovu lamadzi la MDEA pang'ono kuchokera ku gasi kudzera pa cholekanitsa chonyowa chonyowa, mpweya wonyowa umalowa munsanja yopanda madzi.

TEG imagwiritsidwa ntchito kuwononga mpweya wonyowa munsanja ndipo mpweya wowuma wochokera munsanja ya dehydration umagwiritsidwa ntchito. Gasi wachilengedwe amagwiritsidwa ntchito ngati gasi woyenelera kugulitsa kunja.

Madzi olemera a MDEA mu nsanja ya desulfurization amawotcha kuti achotse ma hydrocarbons ndikusefedwa ndi zosefera. Kenako imatenthedwa ndi nthunzi kuti ipangitsenso madzi osauka a MDEA, omwe amaponyedwa ku nsanja ya desulfurization ya cyclic desulfurization.

Gasi wachilengedwe wochokera ku MDEA wolemera wamadzimadzi kung'anima amachotsedwa ndi cholekanitsa madzi acid, ndipo yankho la MDEA lopatulidwa limaponyedwa ku nsanja ya desulfurization. Madzi olemera a TEG omwe amagwiritsidwa ntchito munsanja yochotsa madzi m'thupi amatenthedwa kuti apangitsenso yankho losauka la TEG kudzera pagawo la distillation, thanki yamoto ndi fyuluta. Imapoperedwa ku nsanja ya dehydration chifukwa cha kuchepa kwa madzi m'thupi.

Pambuyo jekeseni H₂S mpweya mu thanki yosungiramo mpweya wa asidi pamalo olekanitsa olekanitsa madzi a asidi, imatenthedwa kale mu ng'anjo yamoto ndipo imakhudzidwa ndi mpweya woyamwa ndi kompresa ya mpweya kupanga SO.₂, zomwe zimakhudzidwa ndi otsala a H₂S kupanga elemental sulfure, kenako amapeza sulfure pambuyo kuzirala.

The gasi pambuyo desulfurization adzalowagasi dehydration unitkenako amatumizidwa ku fakitale ya jenereta kudzera pa mapaipi.

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