Iskar gas na'urar rage acidity
Iskar gas mai matsin lamba tana shiga sashin rage acidity, wanda ke amfani da maganin MDEA don cire CO2, H2S da sauran iskar acid a cikin iskar gas.
Iskar gas ta asali tana shiga daga ƙasan mai sha kuma tana ratsawa ta cikin mai sha daga ƙasa zuwa sama; Maganin MDEA mai cikakken sake farfaɗowa (maganin lean) yana shiga daga saman mai sha kuma yana ratsawa ta cikin mai sha daga sama zuwa ƙasa. Maganin MDEA da iskar gas na asali suna haɗuwa sosai a cikin mai sha. Ana sha CO2 a cikin iskar kuma yana shiga matakin ruwa. Ana fitar da abubuwan da ba a sha ba daga saman mai sha kuma suna shiga cikin mai sanyaya da mai raba gas na decarbonization. Iskar gas daga mai raba gas na decarbonization yana shiga sashin busar da iskar gas, kuma condensate yana zuwa tankin walƙiya.
Yawan iskar gas da aka yi wa magani bai wuce 50ppmv ba.
Ana kiran maganin MDEA mai shan CO2 mai arziki, wanda ake aika shi zuwa hasumiyar walƙiya, kuma iskar gas da walƙiyar rage matsin lamba ke samarwa ana aika ta zuwa tsarin mai. Bayan musayar zafi tsakanin ruwan mai cike da walƙiya da maganin (ruwa mai laushi) wanda ke fitowa daga ƙasan hasumiyar sabuntawa, a ɗaga zafin zuwa ~ 98 ℃ zuwa saman hasumiyar sabuntawa, sannan a yi aikin sake farfaɗowa a hasumiyar sabuntawa har sai matakin ruwa mai laushi ya kai ga ma'aunin.
Ruwan da ke fitowa daga hasumiyar sabuntawa yana ratsawa ta cikin na'urar musayar zafi ta ruwa mai wadata da mara kyau da kuma mai sanyaya ruwa mai laushi. Ruwan da ke da laushi yana sanyaya zuwa ~ 40 ℃, famfon ruwa mai laushi yana matsa shi sannan ya shiga daga saman hasumiyar sha.
Iskar gas da ke saman hasumiyar sake farfaɗowa tana shiga mai raba iskar acid ta hanyar sanyaya iskar acid, ana aika iskar gas daga mai raba iskar acid zuwa tsarin fitar da iskar acid, sannan ana aika da mai raba iskar acid zuwa mai raba walƙiya bayan famfon dawo da shi ya matsa masa.
Ana dumama tushen zafi na reboiler na hasumiyar sabuntawa ta amfani da man canja wurin zafi.
Babban kayan aikin wannan na'urar sune hasumiyar sha da hasumiyar farfadowa.
Iskar gas na'urar bushewa
Na'urar tana amfani da fasahar shaƙar zafin jiki don rabuwa da tsarkake iskar gas. Fasahar shaƙar zafin jiki ta dogara ne akan shaƙar ƙwayoyin iskar gas a saman ciki na mai shaƙar iskar gas (abu mai laushi mai ramuka), kuma tana amfani da halayen da ƙarfin shaƙar iskar gas ke canzawa tare da zafin shaƙar iskar gas daban-daban da matsin lamba. A ƙarƙashin yanayin da mai shaƙar iskar gas ya zaɓi ya shaƙar wasu sassan iskar gas daban-daban, yana shaƙar wasu sassan iskar gas a cikin ƙananan zafin jiki da matsin lamba mai yawa. Abubuwan da ba a shaƙar ba suna gudana ta cikin layin mai shaƙar iskar kuma suna cire waɗannan sassan da ke shaƙar iskar gas a babban zafin jiki da ƙaramin matsin lamba don shaƙar iskar gas mai ƙarancin zafi da matsin lamba mai yawa. Ana iya amfani da hasumiyoyin shaƙar iskar gas da yawa don cimma manufar raba iskar gas mai ci gaba.
Na'urar busar da iskar gas ɗin abinci tana da masu shawagi guda biyu don canza aiki, ciki har da ɗaya don shawagi, ɗaya don sake farfaɗo da iskar sanyi.
Iskar gas da ke fitowa daga na'urar iskar gas ta deacidification ta shiga saman mai sharar. Bayan cire ruwa ta hanyar sieve na kwayoyin halitta, yana fitowa daga ƙasan mai sharar. Bayan bushewar iskar gas, iskar gas ta shiga na'urar deacidation ta deacidation ta deacid ta ciyarwar.
Na'urar cire iskar gas mai nauyi ta amfani da ƙaramin adadin iskar gas mai tsabta a matsayin iskar sanyi da kuma hanyar farfadowa.
Iskar gas ta sake farfadowa ta fara ratsa ta cikin mai sanyaya daga ƙasa zuwa sama, sannan a dumama iskar gas ta sake farfadowa zuwa zafin sake farfadowa na 180 ~ 220 ℃ ta cikin na'urar dumama mai sake farfadowa, sannan ta shiga daga ƙasan mai sanyaya don ta yi hydrolyze da kuma shanye mai. Iskar gas ta sake farfadowa tana fitowa daga saman na'urar busar da iskar gas ta shiga cikin mai raba iskar gas ta sake farfadowa bayan mai sanyaya mai sake farfadowa ya sanyaya ta. Bayan raba ruwan, sai ta shiga cikin mashigar hasumiyar shaye-shaye.
Bayan wucewa ta cikin na'urar, ruwan da ke cikin busasshiyar iskar gas ya kai ≤ 1ppm.
Babban kayan aiki shine hasumiyar shaye-shaye, hita mai sake farfadowa, mai sanyaya iskar gas mai sake farfadowa, mai raba iskar gas mai sake farfadowa da kuma mai kunna iskar gas mai sake farfadowa.
Lokacin Saƙo: Yuni-03-2022