Cire H2S mai inganci na kasar Sin daga masana'antar iskar gas - PSA decarbonization 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.

Matsa lamba adsorption (PSA) sabuwar fasaha ce da ake amfani da ita don raba cakuda gas a cikin fasahar rabuwa ta adsorption. Idan aka kwatanta da hanyar shan sinadarai na gargajiya, fasahar PSA tana da kyau ta fuskar tattalin arziki don cirewa da dawo da H2S da CO2 daga iskar gas, kuma ana haɓakawa sosai.

Fasahar rabuwar gas na PSA yana da fa'ida na aiki mai sauƙi, ƙarancin matsa lamba, rashin ruwa yayin cire CO2, ƙarancin raɓa na iskar gas da ruwa mai tsafta, kuma samfuran na iya biyan buƙatun fitar da iskar gas. Ana iya amfani da PSA don tattarawar CO2 da zaɓin desulfurization a cikin iskar gas.

ginshiƙi mai gudana

An gudanar da adsorption a ƙarƙashin matsin lamba kuma an yi amfani da desorption a ƙarƙashin rage matsa lamba. Saboda sake zagayowar adsorption yana da gajeren lokaci kuma ba za a iya watsar da zafi a cikin lokaci ba, ana iya amfani dashi don lalatawa. Saboda haka, yawan zafin jiki na gadon gado wanda ya haifar da zafi mai zafi da zafi mai zafi yana da ƙananan canji, wanda za'a iya ɗaukar shi azaman tsari na isothermal. Ayyukan gado guda ɗaya ƙayyadaddun adsorption, ko dai yanayin jujjuyawar zafin jiki ne ko tallan jujjuyawar matsa lamba, saboda adsorbent yana buƙatar sake haɓakawa, tallan yana ɗan lokaci. A cikin masana'antu, ana amfani da gadaje biyu ko fiye, ta yadda za'ayi tallan talla da sabunta gadon tallan a madadin (ko kuma bi da bi), don tabbatar da ci gaba da duk tsarin tallan.

Siffofin aiki

Ingancin matsa lamba swing adsorption decarbonization skid ne 90% CO2 za a iya rabu da matsa lamba canji da jiki adsorption, ba tare da sinadaran dauki. Baya ga cire CO2, ana amfani da fasahar PSA sosai wajen farfadowa da tsarkakewar H2, CH4, CO, CO2 da sauran iskar gas.