Kufotokozera kwa njira yochotsera mpweya wa asidi kuchokera ku mpweya wachilengedwe

Kuchotsa sulfure

Pali njira ziwiri zazikulu zochotsera mpweya wachilengedwe m'mafakitale: kuchotsedwa kwa sulfure youma ndi kunyowa kwa sulfurization.

The njira ya amine imagwira ntchito ngati mpweya wachilengedwe uli ndi H2S yochepa komanso chiŵerengero cha CO2/H2S chapamwamba, koma kuchuluka kwa CO2 sikuli kwakukulu kwambiri ndipo sikufuna kuchotsedwa kwakuya kwa CO2. Njira imeneyi ingachotse bwino H2S ndi CO2 nthawi imodzi.

Njira yosefera ya mamolekyu imagwiritsidwa ntchito kwambiri pa ntchito zomwe zimafuna kulondola kwakukulu kwa desulfurization kapena kuchuluka kochepa kwa madzi.

Apa tikuyambitsa njira yatsopano ya Iron Oxide

Kufotokozera kwa Njira ya Iron Oxide

Cholinga ichi chimagwiritsa ntchito nsanja ziwiri zomwe zikuyenda limodzi, zomwe zimagwira ntchito ngati chothandizirana.

Choyamba, gwiritsani ntchito nsanja yochotsera sulfurization A. Mukatha kugwira ntchito kwa nthawi yayitali, ngati zotsatira za mayeso a chitsanzo 2 zili pafupi ndi mtengo wa kapangidwe, zikutanthauza kuti kulongedza kwa nsanja kwadzaza ndipo kwataya mphamvu yake yochotsera sulfurization, ndipo kumafunika kusinthidwa. Mukasintha, choyamba tsegulani valavu 3 ndi valavu 4, kenako tsekani valavu 2 ndi valavu 1, ndikutsuka denga lochotsera sulfurization A ndi nayitrogeni mpaka mayeso a gasi atatsimikizika, kenako tsegulani doko loyeretsera ndi doko lotulutsira mpweya kuti musinthe kulongedza. Kukonzanso kukatha, tsegulani dzenje lotulutsira madzi ndi dzenje lotulutsira madzi kuti musinthe kulongedza. Panthawiyi, mpweya umadutsa mu nsanja yochotsera sulfurization B ndipo wakwaniritsa cholinga chochotsera sulfurization.

Pamene nsanja yochotsera sulfurization B yadzaza, tsegulani valavu 1 ndi valavu 2, kenako tsekani valavu 3 ndi valavu 4, ndikutsuka nsanja yochotsera sulfurization B ndi nayitrogeni mpaka mpweya utayesedwa kuti ukhale woyenerera, kenako tsegulani doko loyeretsera ndi doko lotulutsira mpweya kuti mubwezeretsenso kulongedza, ndipo kukonzanso kukatha, tsegulani dzenje ndi doko lotulutsira madzi kuti mulowe m'malo mwa kulongedza. Panthawiyi, mpweya umadutsa mu nsanja yochotsera sulfurization A kuti ukwaniritse cholinga cha kuchotsa sulfurization.

Chotsukira mpweya wothira madzi chimaperekedwa pamalo olowera ndi otulukira a nsanja iliyonse kuti chisampulidwe ndi kuyesedwa.

Ntchito yokonzanso mpweya wa desulfurizer imagwiritsa ntchito mpweya wosagwira ntchito m'malo mwa zigawo za mpweya woyaka kuti ukhale pansi pa malire a kuphulika. Panthawi yokonzanso mpweya, mpweya umalowetsedwa kuchokera pansi pa nsanja. Liwiro la mpweya liyenera kukhala lotsika kumayambiriro kwa kukonzanso. Kutentha kwa nsanja kuyenera kulamulidwa mosamala pansi pa 90 ℃. Ngati kupitirira 90 ℃, kuyambitsa mpweya kumatha kuyimitsidwa. Kutentha kukatsika pansi pa 90 ℃, kuyambitsa mpweya kumatha kupitiliza kulowetsedwa kuti kukonzedwenso. Kutentha kwa bedi sikukweranso ndipo mpweya womwe uli pamalo olowera ndi otulukira uli wofanana, kukonzanso kumatha kutha. Mukasintha desulfurizer, doko lotulutsira mpweya pansi pa nsanja likhoza kutsegulidwa kuti litulutse desulfurizer. Pazifukwa zachitetezo, kupopera madzi kuyenera kugwiritsidwa ntchito moyenera kuti kuziziritse.

Zofunikira pa zinthu: Thupi lalikulu la nsanja yochotsera sulfur limapangidwa ndi zinthu zotsutsana ndi dzimbiri za Q345R.

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