(2) Na'urorin rage iskar gas
Iskar gas ɗin da ke shiga cikin iskar gas ɗin na'urorin cire iskar gas ta halitta bi da bi. Wannan na'urar tana amfani da maganin MDEA don cire iskar gas mai guba kamar CO22 da kuma H2S a cikin iskar gas.
Iskar gas ta asali tana shiga daga ƙasan hasumiyar shaye-shaye kuma tana ratsa hasumiyar shaye-shaye daga ƙasa zuwa sama; ruwan MDEA mai cikakken sake farfaɗowa (ruwa mai laushi) yana shiga daga saman hasumiyar shaye-shaye kuma yana ratsa hasumiyar shaye-shaye daga sama zuwa ƙasa. Maganin MDEA da iskar gas da ke gudana a akasin haka suna cikin hasumiyar shaye-shaye. Bayan an gama haɗuwa sosai, CO2 da kuma H2Ana sha iskar gas ɗin kuma ta shiga yanayin ruwa. Ana fitar da sassan da ba a sha ba daga saman hasumiyar sha sannan a shiga cikin na'urar sanyaya iskar gas da kuma na'urar raba iskar gas. Iskar da ke barin na'urar raba iskar gas ta cire sulfurization ta shiga na'urar cire ruwa daga cikin ƙwayoyin halitta, sannan na'urar ta koma cikin tankin walƙiya.
H2Yawan sinadarin S a cikin kayan halitta da aka sarrafa bai wuce 5 mg/Sm3 ba.
MDEA wanda ya sha H2Ana kiran S da ruwa mai arziki kuma ana aika shi zuwa hasumiyar ƙafewar walƙiya. Iskar gas da ke fitowa ta hanyar rage matsin lamba ana aika ta zuwa tsarin mai. Bayan ruwan mai mai haske ya canza zafi tare da ruwan (ruwa mai laushi) yana fitowa daga ƙasan hasumiyar sabuntawa, zafin zai tashi zuwa ~98°C zuwa saman hasumiyar sabuntawa, inda ake cirewa da sake farfaɗowa a hasumiyar sabuntawa har sai matakin ruwa mai laushi na ruwan mai laushi ya kai ga abin da ake so.
Ruwan da ke fitowa daga hasumiyar sake farfaɗowa yana ratsawa ta cikin na'urar musayar zafi ta ruwa mai wadata da kuma na'urar sanyaya ruwa mai laushi. Ruwan da ke ratsawa yana sanyaya zuwa ~ 104°F. Bayan famfon ruwa mai laushi ya matsa shi, sai ya shiga daga saman hasumiyar sha.
Iskar gas da ke saman magudanar hasumiyar sabuntawa ta ratsa ta cikin na'urar sanyaya iskar carbon dioxide ta shiga na'urar raba iskar carbon dioxide. Ana aika iskar gas da ke fitowa daga na'urar raba iskar carbon dioxide zuwa tsarin fitar da iskar carbon dioxide. Ana matsa matsewar iskar gas ta hanyar famfon reflux sannan a aika ta zuwa hasumiyar sake farfadowa.
Man fetur mai matsakaicin zafin jiki daga tsarin man fetur mai canza zafi yana samar da tushen zafi na mai sake tafasa na hasumiyar sabuntawa.
Iskar acid da tsarin cire sulfur ke fitarwa ana fitar da ita kai tsaye zuwa sararin samaniya. A takaice dai babu ruwan shara da ake fitarwa, kuma ruwan da iskar acid ke ɗauke da shi ana fitar da shi ta hanyar tsarin daidaita ruwan da aka cire gishiri; ruwan da tsarin cire ruwa ke ɗauke da shi yana shiga tsarin tsaftace najasa ta hanyar tsarin fitar ruwa da aka rufe kuma ana fitar da shi bayan an gama maganin.
(3) Rashin iskar gas ta halitta na'urori
Wannan na'urar tana amfani da fasahar shaƙar zafin jiki don rabuwa da tsarkake iskar gas. Fasaha shaƙar zafin jiki ta dogara ne akan shaƙar zahiri ta ƙwayoyin iskar gas a saman ciki na mai shaƙar (abu mai laushi mai ramuka). Ƙarfin shaƙar iskar gas yana canzawa tare da zafin shaƙar iskar gas 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 ɗin da aka gauraya a ƙananan zafin jiki da matsin lamba mai yawa, kuma sassan da ba a shaƙar ba suna gudana ta cikin layin mai shaƙar iskar, kuma yana cire waɗannan sassan da aka shaƙar a babban zafin jiki da ƙaramin matsin lamba. Don shaƙar iskar gas mai ƙarancin zafi da matsin lamba mai yawa na gaba, ana iya amfani da hasumiyoyin shaƙar iska da yawa don cimma manufar raba iskar gas mai ci gaba.
The na'urar busar da iskar gas ta ciyar yana da na'urorin shaƙatawa guda uku don sarrafa sauyawa, ciki har da ɗaya don shaƙatawa, ɗaya don hura iska mai sanyi, da kuma ɗaya don dumama da sake farfaɗowa.
Na'urar busar da iskar gas ɗin abinci tana amfani da ƙaramin adadin iskar gas ɗin ciyarwa a matsayin hanyar hura sanyi da kuma farfaɗowa. Bayan iskar da aka sake farfaɗowa ta bar hasumiyar shaƙar iska, ana sanyaya ta a raba ta sannan a matse ta da wani abu mai ƙara kuzari sannan a aika ta zuwa hasumiyar shaƙar iska don shaƙar iska.
Iskar gas ta sake farfadowa ta fara ratsa ta cikin mai sanyaya iska daga sama zuwa ƙasa. Sannan ana dumama iskar gas ta sake farfadowa zuwa zafin sake farfadowa na 392 ~ 428 ° F ta hanyar na'urar dumama iskar gas, sannan ta shiga daga ƙasan mai sanyaya iskar don cire ruwan da mai sanyaya iskar gas ɗin ya sha. Iskar gas ta sake farfadowa tana fitowa daga saman na'urar busar da iskar gas, mai sanyaya iskar gas ta sanyaya iskar gas, sannan ta shiga cikin mai raba iskar gas ta sake farfadowa. Bayan an raba ruwan, sai ta shiga cikin mai sanyaya iskar gas kuma ta matse ta a aika ta zuwa hasumiyar shaye-shaye don shaye-shaye.
Bayan wucewa ta wannan na'urar, ruwan da ke cikin busasshiyar iskar gas ɗin ya kai ≤ 15 ppm.
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