Akwai hanyoyi da yawa don daidaita matakai daban-daban don sarrafa iskar gas ko kula da masana'antar iskar gas. Abubuwan gabaɗaya kuma na yau da kullun na iskar gas don rijiyoyin iskar gas marasa alaƙa. Ya nuna yadda ake sarrafa iskar gas ɗin da ba a kula da shi ba ta zama iskar gas don siyarwa wanda ake jigilar shi zuwa kasuwa ta ƙarshe ta hanyar bututun iskar gas.Natural gas liquid (NGL): propane, butane da C5+(wannan kalma ce gama gari don pentane da babban nauyin kwayoyin hydrocarbon). ). Asalin iskar gas yawanci ana tattarawa daga rukunin rijiyoyin da ke kusa kuma ana fara sarrafa su a cikin kwandon raba a wurin tattarawa zuwacire ruwa mai ruwa kyauta (cire ruwa daga iskar gas) da iskar gas condensate. Yawanci ana aika ruwan narkar da ruwa zuwa matatar, kuma ana kula da ruwan a matsayin ruwan sharar gida.
Sa'an nan kuma, ana jigilar iskar gas ɗin zuwa cibiyar kula da iskar gas ta hanyar bututun, inda yawancin tsarkakewa na farko ya kasancecire acid gas (hydrogen sulfide da carbon dioxide) .Saboda jerin ayyuka da ƙayyadaddun muhalli na tsarin amine, sababbin fasahohin da aka yi amfani da su na polymer membranes don raba carbon dioxide da hydrogen sulfide daga rafukan iskar gas sun sami karin karɓa. Membran yana da kyau saboda baya cinye reagents.Acid gas (idan akwai) ana cire shi ta hanyar membrane ko amine magani, sannan a aika zuwa sashin dawo da sulfur, wanda ke canza hydrogen sulfide a cikin iskar acid zuwa sulfur na asali ko sulfuric acid. Daga cikin hanyoyin da za a iya amfani da su don waɗannan jujjuyawar, tsarin Claus shine mafi nisa sanannen tsari don dawo da sulfur na asali, yayin da tsarin tuntuɓar al'ada da WSA (tsarin sulfuric acid rigar) sune fasahar da aka fi amfani dasu don dawo da sulfuric acid. Ana iya magance ƙananan adadin iskar acid ta hanyar konewa.
Ragowar iskar gas daga tsarin Claus yawanci ana kiransa iskar wutsiya, sannan ana kula da iskar a sashin kula da iskar gas don dawo da ragowar fili na sulfur kuma a sake sarrafa shi zuwa sashin Claus. Hakazalika, akwai matakai da yawa waɗanda za a iya amfani da su don magance iskar gas ɗin wutsiya na ƙungiyar Claus. Saboda wannan dalili, tsarin WSA shima ya dace sosai saboda yana iya gudanar da maganin dumama kai akan iskar wutsiya.
Mataki na gaba na masana'antar kula da iskar gas shine yin amfani da abubuwan da za'a iya sabuntawa a cikin ruwa triethylene glycol (TEG), wanda aka fi sani da ethylene glycol dehydration, deliquescent chloride desiccant, ko na'urar jujjuyawar matsa lamba (PSA) ta amfani da adsorbent mai ƙarfi don sabunta adsorption don cire ruwa. tururi daga gas. Sauran sabbin hanyoyin tafiyar matakai, kamar rabuwar membrane, ana iya la'akari da su.
Ana cire Mercury ta hanyar amfani da tsarin talla kamar carbon da aka kunna ko sieve kwayoyin halitta.
Ko da yake ba kowa ba ne, wani lokacin ana amfani da ɗaya daga cikin matakai uku don cirewa da ƙin nitrogen:
- Tsarin ƙananan zafin jiki (nitrogen cire na'urar ) yana amfani da distillation low-zazzabi. Idan ya cancanta, ana iya canza tsarin don dawo da helium.
- A cikin tsarin sha, ana amfani da mai mai laushi ko sauran ƙarfi na musamman azaman abin sha.
- Tsarin adsorption yana amfani da carbon da aka kunna ko sieve kwayoyin halitta azaman adsorbent. Amfani da wannan hanyar na iya iyakancewa saboda an ce yana haifar da asarar butane da magudanar ruwa mai nauyi.
Tuntube mu:
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Lokacin aikawa: Maris 17-2024
