Hydrogen sulfide man gas tsarkakewa naúrar

Gabatarwa

Tare da ci gaban al'ummarmu, muna ba da shawarar makamashi mai tsabta, don haka buƙatar iskar gas a matsayin makamashi mai tsabta yana karuwa. To sai dai kuma, a yayin da ake yin amfani da iskar gas, yawancin rijiyoyin iskar gas kan kunshi sinadarin hydrogen sulfide, wanda zai haifar da gurbatar kayan aiki da bututun mai, da gurbata muhalli da kuma yin barazana ga lafiyar dan Adam. Tare da ci gaban kimiyya da fasaha, yawan amfani da fasaha na lalata iskar gas ya warware waɗannan matsalolin, amma a lokaci guda, farashin tsabtace iskar gas da magani ya karu daidai da haka.

Ka'ida

Ƙwaƙwalwar ƙwayar ƙwayar cuta (wanda kuma ake kira desulfurization) skid, wanda kuma ake kira molecular sieve sweeting skid, shine maɓalli na na'ura a cikin tsarkakewar iskar gas ko aikin kwantar da iskar gas.

Molecular sieve ne alkali karfe aluminosilicate crystal tare da kwarangwal tsarin da uniform microporous tsarin. Yana da adsorbent tare da kyakkyawan aiki, babban ƙarfin talla da zaɓin talla. Da fari dai, akwai tashoshi masu yawa tare da girman pore iri ɗaya da ramukan da aka tsara daidai a cikin tsarin sieve na ƙwayoyin cuta, wanda ba wai kawai yana ba da babban yanki mai girma ba, har ma yana iyakance shigarwar ƙwayoyin da suka fi girma fiye da ramuka; Abu na biyu, saman sieve na kwayoyin yana da babban polarity saboda halayen lattice na ionic, don haka yana da babban ƙarfin adsorption don ƙwayoyin da ba su da yawa, ƙwayoyin polar da ƙwayoyin polarizable. Ruwa da hydrogen sulfide molecules ne na igiya, kuma diamita na kwayoyin ya yi ƙasa da diamita na ramukan ramin kwayoyin halitta. Lokacin da danyen gas ɗin da ke ɗauke da alamar ruwa ya ratsa ta cikin gadon siliki na kwayoyin a yanayin zafin jiki, ana shayar da ruwa da hydrogen sulfide, Don haka, abun ciki na ruwa da hydrogen sulfide a cikin iskar gas yana raguwa, kuma manufar bushewa da desulfurization ya cika. Tsarin adsorption na sieve na kwayoyin halitta ya haɗa da ƙaddamarwar capillary da haɓakar jiki ta hanyar van der Waals karfi .A cewar Kelvin equation, capillary condensation yana raguwa tare da karuwar yawan zafin jiki, yayin da adsorption na jiki shine tsarin exothermic, kuma adsorption yana raguwa tare da karuwar yawan zafin jiki. kuma yana ƙaruwa tare da karuwar matsa lamba; Sabili da haka, tsarin adsorption na sieve kwayoyin yawanci ana aiwatar da shi a cikin ƙananan zafin jiki da matsa lamba, yayin da farfadowar nazari ana aiwatar da shi a babban zafin jiki da rage matsa lamba. A ƙarƙashin aikin babban zafin jiki, mai tsabta da ƙarancin iskar gas mai haɓakawa, ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar cuta ta sake haifar da adsorbate a cikin micropore a cikin farfadowa na iskar gas har sai adadin adsorbate a cikin adsorbent ya kai matakin ƙananan. Har ila yau, yana da ikon yin amfani da ruwa da hydrogen sulfide daga iskar gas, fahimtar tsarin farfadowa da sake yin amfani da shi na sieve.

Tsarin fasaha

Ana nuna kwararar tsari a cikin zane. Naúrar tana ɗaukar tsarin hasumiya guda uku, hasumiya ɗaya don tallatawa, hasumiya ɗaya don sabuntawa da hasumiya ɗaya don sanyaya. Lokacin da iskar gas ɗin ta shiga cikin naúrar, ana rage yawan zafin jiki na iskar gas ta hanyar precooling, sannan ana cire ruwan kyauta ta hanyar. da coalescence SEPARATOR, sa'an nan kuma shigar da kwayoyin sieve desulfurization hasumiya a-801, a-802 da kuma a-803. Ruwan ruwa da hydrogen sulfide a cikin iskar gas ɗin abinci ana tallata su ta hanyar sieve na ƙwayoyin cuta don gane rashin ruwa da tsarin adsorption na hydrogen. samfurin gas.

Siffar kwayar halitta tana buƙatar sabuntawa bayan haɗa wani adadin ruwa da hydrogen sulfide. Sashe na iskar gas ana fitar da shi daga iskar gas ɗin bayan ƙura a matsayin iskar sabuntawa. Bayan da iskar gas ne mai tsanani zuwa 270 ℃ a cikin dumama tanderun, da hasumiya ne mai tsanani mai tsanani zuwa 270 ℃ daga sama zuwa kasa ta kwayoyin sieve desulfurization hasumiya cewa ya kammala adsorption tsari, sabõda haka, da ruwa da hydrogen sulfide adsorbed a kan kwayoyin sieve. za a iya warware don zama wadataccen iskar gas mai sabuntawa da kuma kammala aikin farfadowa.

Babban iskar gas mai haɓakawa bayan barin hasumiya na sabuntawa yana shiga cikin injin sabunta iskar gas don a sanyaya shi zuwa kusan 50 ℃, kuma iskar gas ɗin yana sanyaya kuma ana ba da shi zuwa ga shugaban wuta.

Hasumiyar sieve kwayoyin yana buƙatar sanyaya bayan sabuntawa. Domin samun cikakken murmurewa da amfani da makamashin zafi, ana fara amfani da iskar gas ɗin ne a matsayin iskar gas mai sanyi, kuma ana sanyaya hasumiya zuwa kusan 50 ℃ daga sama zuwa ƙasa ta hanyar hasumiya mai lalata ƙwayoyin ƙwayoyin cuta wanda ya kammala aikin farfadowa. A lokaci guda, an riga an riga an gama shi da kanta. Bayan sanyi mai hurawa iskar gas ya fita daga hasumiya mai sanyaya, yana shiga cikin tanderun dumama gas na farfadowa don dumama, sannan ya sake haɓaka hasumiya mai lalata kwayoyin halitta a matsayin iskar gas na farfadowa. Na'urar tana canzawa kowane awa 8.

Tsarin Tsara