Kamfanin samar da hydrogen da aka kera daga iskar gas

Gabatarwa

Samar da hydrogen daga iskar gas yana da fa'idodin ƙarancin farashi da kuma babban tasiri. Bincike da haɓaka sabbin fasahohin zamani don samar da hydrogen daga iskar gas muhimmin garanti ne don magance matsalar tushen hydrogen mai arha. A matsayin makamashi mai inganci da tsafta na masana'antu, iskar gas tana da muhimmiyar mahimmanci a cikin tsarin haɓaka makamashi a China. Saboda iskar gas ba wai kawai muhimmin mai ba ne ga rayuwar mutane ta yau da kullun, har ma da kayan masarufi na asali na samfuran sinadarai da yawa.

Samar da hydrogen daga iskar gas yana ɗaya daga cikin kayayyakin iskar gas da yawa. Filin mai na Liaohe, a matsayinsa na uku mafi girma a fannin mai da iskar gas a China, yana da wadataccen albarkatun iskar gas, musamman a kamfanonin sarrafa mai da iskar gas da aka haɗa a tsakiya. A cikin tsarin samar da mai da iskar gas, za mu iya samar da babban sikelin iskar gas mai bushewa, wanda ke da yanayi na musamman don sarrafa iskar gas mai zurfi. Yana da matuƙar mahimmanci wajen haɓaka haɓakawa da yaɗuwar tsarin samar da hydrogen na iskar gas.

Zabi da nazarin ka'idar samar da hydrogen daga iskar gas

A matsayin wani sinadari na biyu, ana amfani da hydrogen sosai a masana'antun magunguna, sinadarai masu kyau, lantarki da lantarki. Musamman ma, hydrogen, a matsayin man fetur da aka fi so ga ƙwayoyin mai, zai sami fa'ida a kasuwa a fannin sufuri da samar da wutar lantarki a nan gaba, kuma zai mamaye matsayi mafi mahimmanci a tsarin makamashi na gaba. Hanyoyin samar da hydrogen na gargajiya, kamar canza tururin hydrocarbon mai sauƙi, electrolysis na ruwa, fashewar methanol, gasification na kwal da rushewar ammonia, sun tsufa sosai. Duk da haka, akwai matsaloli "mai girma da biyu masu ƙasa" kamar tsada mai yawa, ƙarancin yawan amfanin ƙasa da ƙarancin ingancin aiki. A cikin tsarin samar da mai da iskar gas a Liaohe Oilfield, akwai albarkatun hydrocarbon kamar busasshen iskar gas da naphtha. Amfani da wannan hanyar don samar da hydrogen na iya haɓaka amfani da albarkatu. Bugu da ƙari, babban ɓangaren iskar gas da ke da alaƙa shine methane, wanda za'a iya canza shi zuwa hydrogen ta hanyar tururin hydrocarbon, tare da tsaftar samarwa mai yawa da ingantaccen samarwa mai yawa.

Ka'idar aiwatar da samar da hydrogen daga iskar gas

Manyan hanyoyin sarrafa iskar gas sun haɗa da narkar da iskar gas ta yanayi da injin, fashewar catalytic, gyaran catalytic da kuma samar da ƙamshi. A lokaci guda, ya haɗa da amfani da iskar gas ta halitta, tattarawa da watsawa da tsarkakewa. A ƙarƙashin wani matsin lamba, zafin jiki mai yawa da mai kara kuzari, alkanes da tururi a cikin iskar gas suna amsawa ta hanyar sinadarai. Iskar gas mai gyara tana shiga cikin mai canza zafi bayan musayar zafi a cikin tukunyar jirgi don canza CO2 zuwa H2 da CO2. Bayan musayar zafi, danshi da rabuwar ruwan tururi, ana wucewa da iskar gas a jere ta hasumiyar shaye-shaye wacce aka sanye da takamaiman masu shaye-shaye guda uku ta hanyar sarrafa shirye-shirye, kuma N2, Co, CH4 da CO2 suna matsi kuma suna shaye ta hanyar shaye-shaye ta hanyar shaye-shaye ta hanyar matsi (PSA) don fitar da hydrogen daga samfurin. Binciken rage matsin lamba yana sakin ƙazanta kuma yana sake farfaɗo da mai shaye-shaye.

Tsarin amsawa: CH4 + H2O → CO + 3h2-q CO + H2O → CO2 + H2 + Q

Manyan alamomin fasaha. Matsi: 1.0-2.5mpa; Yawan amfani da iskar gas: 0.5-0.56nm3/nm3 hydrogen; Yawan amfani da wutar lantarki: 0.8-1.5/nm3 hydrogen; Sikeli: 1000 Nm3 / H ~ 100000 Nm3 / h; Tsafta: ya dace da hydrogen na masana'antu da kuma tsantsar hydrogen (GB / t7445-1995); Lokacin aiki na shekara-shekara: fiye da 8000h.