（2） Zvishandiso zvekubvisa sarufa negasi rechisikigo
Magasi eFeed anopinda mu zvikamu zvekubvisa sarufa negasi rechisikigo Chigadzirwa ichi chinoshandisa mhinduro yeMDEA kubvisa magasi ane acidic akadai seCO22 uye H2S mugasi rinopa simba.
Gasi rechisikigo rinopinda kubva pasi peshongwe yekunyudza uye rinopfuura nepashongwe yekunyudza kubva pasi kuenda kumusoro; mhinduro yeMDEA yakagadziriswazve zvizere (mvura isina kusimba) inopinda kubva pamusoro peshongwe yekunyudza uye rinopfuura nepashongwe yekunyudza kubva kumusoro kuenda pasi. Mhinduro yeMDEA negasi rechisikigo rinoyerera nenzira yakatarisana zviri mushongwe yekunyudza. Mushure mekubata zvizere, CO22 uye H2Gasi rinonyudzwa ropinda muchikamu chemvura. Zvikamu zvisina kunyudzwa zvinoburitswa kubva pamusoro peshongwe yekunyudzwa ropinda muchinhu chinotonhorera gasi re desulfurization uye chinoparadzanisa. Gasi rinobuda muchinhu chinoparadzanisa gasi re desulfurization rinopinda mumudziyo we molecular sieve dehydration, uye condensate inoenda kuflash tank.
H2Kuwanda kweS muzvinhu zvakasikwa zvakagadziriswa kuri pasi pe5 mg/Sm3.
MDEA yakatora H2S inonzi mvura yakapfuma uye inotumirwa kunhare yekufema. Gasi rechisikigo rinoburitswa nekubvisa kumanikidzwa rinotumirwa kuhurongwa hwemafuta. Mushure mekunge mvura yakapfuma yakapfuudzwa yachinjana kupisa nemushonga (mvura yakapfava) uchibuda kubva pasi penhare yekudzokorora, tembiricha inokwidzwa kusvika ~98°C kumusoro kwenhare yekudzokorora, uko kubvisa nekudzoreredza kunoitwa munhare yekudzokorora kusvika mwero wemvura yakapfava wasvika pachinangwa.
Mvura isina kusimba inobuda munhare yekuvandudza inopfuura nemuchina unochinja-chinja kupisa kwemvura isina kusimba uye nemuchina unotonhodza mvura isina kusimba. Mvura isina kusimba inotonhodzwa kusvika ~ 104°F. Mushure mekumanikidzwa nepombi yemvura isina kusimba, inopinda ichibva kumusoro kwenhare inonyudza mvura.
Gasi riri pamusoro penzvimbo yekubuditsa mweya we regeneration tower rinopfuura nepanzvimbo inotonhorera mweya we carbon dioxide ropinda mu carbon dioxide separator. Gasi rinobuda mu carbon dioxide separator rinotumirwa ku carbon dioxide emission system. Iyo condensate inomanikidzwa ne reflux pombi uye inotumirwa ku regeneration tower.
Chitubu chekupisa che reboiler ye regeneration tower chinowanikwa nemafuta ekupisa anotapurirana nekupisa kwepakati nepakati kubva musystem yemafuta ekupisa.
Gasi rine acid rinobviswa ne desulfurization system rinoburitswa zvakananga mumhepo. Hazvina mvura yakasviba inoburitswa, uye mvura inobviswa ne acid gasi inoburitswa kuburikidza ne supplementary desalted water balance system; mvura inobviswa ne dehydration system inopinda mu sewage treatment system kuburikidza ne closed discharge system uye inoburitswa mushure mekupedza treatment.
(3) Kupera mvura mumuviri negasi rechisikigo zvishandiso
Mudziyo uyu unoshandisa tekinoroji yekudhonza tembiricha pakuparadzanisa nekuchenesa gasi. Tekinoroji yekudhonza tembiricha yakavakirwa pakudhonza mamorekuru egasi ari pamusoro pemukati me adsorbent (zvinhu zvakasimba zvine porous). Kugona kwekudhonza kwe adsorbent yegasi kunochinja nekupisa nekumanikidzwa kwekudhonza. Kana adsorbent ichidhonza zvikamu zvakasiyana zvegasi, inodhonza zvimwe zvikamu mugasi rakasanganiswa pakupisa kwakaderera nekumanikidzwa kwakakwira, uye zvikamu zvisina kudhonza zvinobuda nepa adsorber layer, uye inodhonza zvikamu izvi zvakadhonza pakupisa kwakakwira nekumanikidzwa kwakaderera. Kune inotevera adsorption ine tembiricha yakaderera nekumanikidzwa kwakakwira, nhare dzakawanda dzekudhonza dzinogona kushandiswa kuzadzisa chinangwa chekuparadzanisa gasi nguva dzose.
Iyo chikamu chekuomesa gasi rekudya ine ma adsorber matatu ekushandura, anosanganisira rimwe re adsorption, rimwe rekufema nechando, uye rimwe rekudziisa nekuvandudza.
Chigadziko chekuomesa gasi rinodyisa chinoshandisa gasi diki reFeed senzira yekuvhuvhuta nekuvandudza. Kana gasi rinodyiswa rabuda mushongwe yekudyisa, rinotonhodzwa roparadzaniswa robva radzvanywa nebooster rotumirwa kushongwe yekudyisa kuti ridyise.
Gasi rekugadzirisa rinotanga rapfuura nemu adsorber inotonhorera kubva kumusoro kusvika pasi. Zvadaro gasi rekugadzirisa rinodziiswa kusvika patembiricha yekuvandudza ye392 ~ 428 ° F neheater yekuvandudza, uye rozopinda kubva pasi pe adsorber kuti ribvise mvura inonyungudutswa ne adsorbent. Gasi rekugadzirisa rinobuda pamusoro pe dryer, rotonhodzwa ne regeneration cooler, uye rozopinda mu regeneration gas separator. Mushure mekunge mvura yaparadzaniswa, rinopinda mu supercharger uye rinomanikidzwa rotumirwa ku adsorption tower kuti rinyungudutswe.
Mushure mekupfuura nepakati pechinhu ichi, mvura iri mugasi rechisikigo rakaoma inosvika ≤ 15 ppm.
Bata nesu:
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