skid ɗin maganin iskar gas

Bayani

Ana amfani da skid ɗin maganin gas na wutsiya na gas na halitta don magance iskar gas ta wutsiya ta na'urar dawo da sulfur, da kuma iskar sharar gida ta wurin ruwa da kuma iskar sharar TEG ta na'urar dawo da sulfur.
An daidaita ƙirar da ƙarfin sarrafawa na skid ɗin tare da na'urar dawo da sulfur da na'urar bushewa.

Za a iya raba skid ɗin maganin gas na gas na halitta zuwa rukuni huɗu.

1. Tsarin ragewa da sha
Ka'idar ragewa da shanyewa ita ce iskar wutsiya tana da hydrogen, abubuwan da ke ɗauke da sulfur a cikin iskar wutsiya ana rage su zuwa H2S, ana amfani da H2S da aka samar ta hanyar amine, sannan a ƙarshe ana fitar da sabuntawa ko iskar don shiga cikin sashin Claus don amsawar zagayawa. Tsarin hydrogenation yana da babban jari da tsadar aiki, amma ana amfani da shi sosai a ƙasashe da yankuna masu buƙatar kariyar muhalli saboda yana iya samun yawan sulfur mai yawa, kamar fiye da kashi 99.8%.

2. Tsarin shaƙar iskar oxygen
Hanyar sha iskar oxygen hanya ce da farko ke shafa sulfide a cikin iskar wutsiya zuwa SO2, sannan ta sha SO2 da maganin (ko kuma mai narkewa), sannan a ƙarshe ta dawo da shi a cikin nau'in sulfate, sulfide da SO2.
Akwai hanyoyi da yawa na wannan nau'in, waɗanda galibi ana amfani da su don cire sulfurization na iskar gas ko maganin iskar wutsiya daga masu narkewa da tsire-tsire masu sinadarin sulfuric acid, kuma ana amfani da hanyar Wellman Lord don maganin iskar wutsiya ta Claus.

3. Tsarin Claus mai ƙarancin zafin jiki
Fasahar Claus mai ƙarancin zafin jiki tana da alaƙa da amsawar Claus a ƙasa da ma'aunin sulfur, don haka ana kiranta da tsarin dawo da sulfur mai ƙarancin zafin jiki. amsawar Claus wani tsari ne mai ƙarfi na amsawar exothermic. Saboda haka, ƙarancin zafin jiki yana da tasiri ga sauyawar daidaito zuwa alkiblar samar da sulfur, wanda zai iya inganta dawo da sulfur. Dangane da alaƙar da ke tsakanin amsawar Claus da naúrar, ana iya raba tsarin Claus mai ƙarancin zafin jiki zuwa tsarin Claus mai ƙarancin zafin jiki mai zaman kansa da tsarin Claus mai ƙarancin zafin jiki mai haɗuwa.

4. Tsarin hada iskar shaka kai tsaye na lokaci-lokaci na ruwa
Tsarin hadawa kai tsaye na ruwa wani nau'in fasahar tsari ne wanda ke hadawa H2S kai tsaye zuwa sinadarin sulfur. Ka'idar wannan tsari ita ce a sha H2S a cikin iskar wutsiya tare da maganin desulfurization, sannan a tace shi don samar da sinadarin sulfur.

Sigogi na fasaha

1. SO2 ≤ 400mg/Nm3 (bushewar tushe, 3vol% O2)
2, Lokacin samarwa na shekara-shekara awanni 8000
3, Sassaucin aiki 50% ~ 120%