Manyan masana'antun sarrafa iskar gas na kasar Sin - Hanyar MDEA decarburization skid - Rongteng

Bayani

Decarburization na iskar gas (decarbonization) skid, shine na'ura mai mahimmanci a cikin tsarkakewa ko magani.

Abubuwan da ke cikin carbon dioxide a daidaitaccen ingancin iskar gas bai kamata ya wuce 3%. Kuma carbon dioxide a cikin ruwa bayan karfe yana da karfi mai lalata. Idan darajar pH iri ɗaya ce, rabon acidity na carbon dioxide shima ya fi girma, don haka matakin lalata carbon dioxide akan ƙarfe shima ya fi girma.

Sabili da haka, don buƙatar decarburization na iskar gas, wajibi ne don samun tasirin thermal mai ƙarfi a cikin aiwatar da decarburization, don haka iskar gas bayan humidification zafi magani bai dace da decarburization na iskar gas ba. Duk da haka, idan ba mu yi la'akari da samfurori na decarbonization na iskar gas ba, amma amfani da hanyar ƙananan zafin jiki na rabuwa, zai haifar da kai tsaye ga ingancin iskar gas. A halin yanzu, yin amfani da iskar gas decarbonization magani iya kawai yin barasa hanyar ammonia.

ginshiƙi mai gudana

Dangane da halayen fasaha na MDEA, ana buƙatar aiwatar da tsarin sabuntawa na ɓangare don lalata iskar gas. Daga cikin su, iskar gas ya fi shiga cikin abin sha daga ƙasa, kuma yana hulɗa tare da maganin MDEA daga sama zuwa ƙasa a cikin abin sha, amma yawancin maganin carbon dioxide da ke cikin iskar gas yana raguwa. Ruwan iskar gas da aka tsarkake ana raba shi ne da hasumiya mai shayarwa da sanyaya, sannan ya bushe. MDEA daga kasan hasumiya na sha yana buƙatar makamashi don shigar da maganin rashin ruwa, kuma ɓangaren sama na hasumiya ya shiga hasumiya. Bayan rushewa, ana warware carbon dioxide da aka sha kuma ana dumama shi ta tururi a tsakiyar hasumiya ta farfadowa. Ta wannan hanyar kawai za'a iya kiyaye zafin jiki na maganin. Bayan MDEA bayani daga kasa na hasumiya ya sanyaya, bayani ya shiga saman sha, don kammala dukan tsarin wurare dabam dabam na bayani. Bugu da ƙari, don tabbatar da cewa za a iya sake yin amfani da maganin kuma a sake tsaftace shi, ana buƙatar kashi 15% na maganin don cire bayani. Domin kiyaye tsarin decarbonization na iskar gas, za a sake farfado da tsarin ta hanyar bayani.

Siffofin aiki

Ingancin decarbonization ta hanyar MDEA shine 99%.
Don cire carbon dioxide (CO2) daga iskar gas, maganin ruwa tare da amine barasa kamar yadda sauran ƙarfi ke amsawa da CO2 a cikin iskar gas. Ƙananan asarar gas da yawan amfani da makamashi. Hakanan za'a iya amfani da hanyar aminin barasa don cire H2S daga iskar gas.