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Methanol Cracking Hydrogen Production Plant

  • Abincin yau da kullun: methanol
  • Kewayon iya aiki: 10 ~ 50000Nm3/h
  • H2tsarki: Yawanci 99.999% ta vol.(na zaɓi 99.9999% ta juzu'i.)
  • H2Matsakaicin wadata: Yawanci mashaya 15 (g)
  • Aiki: Atomatik, PLC sarrafawa
  • Abubuwan amfani: Don samar da 1,000 Nm³/h H2daga methanol, ana buƙatar abubuwan amfani masu zuwa:
  • 500 kg / h methanol
  • 320 kg / h demineralised ruwa
  • 110 kW wutar lantarki
  • 21T/h ruwan sanyi

Gabatarwar Samfur

Tsari

Methanol Cracking Hydrogen Production Technology yana amfani da methanol da ruwa a matsayin albarkatun ƙasa, yana mai da methanol zuwa gauraye gas ta hanyar mai kara kuzari da tsarkake hydrogen ta hanyar matsa lamba (PSA) a ƙarƙashin wani yanayin zafi da matsa lamba.

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Halayen Fasaha

1. Babban haɗin kai: babban na'urar da ke ƙasa da 2000Nm3/h za a iya tsallakewa da kawowa gaba ɗaya.

2. Diversification na dumama hanyoyin: catalytic hadawan abu da iskar shaka dumama;Kai dumama hayaki gas zagayawa dumama;Fuel zafi conduction man tanderun dumama;Electric dumama zafi conduction mai dumama.

3. Ƙananan amfani da methanol: ƙananan amfani da methanol na 1Nm3hydrogen yana da tabbacin zama <0.5kg.Aiki na ainihi shine 0.495kg.

4. Hierarchical dawo da makamashin zafi: ƙara yawan amfani da makamashin zafi da rage samar da zafi da 2%;

(1) Methanol Craking

Mix methanol da ruwa a cikin wani rabo, matsawa, zafi, vaporize da overheat da cakuda kayan don isa wani zafin jiki da matsa lamba, sa'an nan a gaban mai kara kuzari, methanol fatattaka dauki da CO canjawa dauki yi a lokaci guda, da kuma haifar da wani mai kara kuzari. cakuda gas da H2, CO2da kuma ƙaramin adadin ragowar CO.

Fatsawar methanol wani nau'i ne mai rikitarwa mai rikitarwa tare da iskar gas da kuma ingantaccen halayen sinadarai

Babban halayen:

CH3OHjtCO + 2H2- 90.7kJ/mol

CO + H2OjtCO2+ H2+ 41.2kJ/mol

Takaitaccen martani:

CH3OH + H2OjtCO2+ 3H2- 49.5kJ/mol

 

Dukkan tsari shine tsari na endothermic.Ana ba da zafi da ake buƙata don amsawa ta hanyar kewayawar mai sarrafa zafi.

Don adana makamashin zafi, cakudar gas ɗin da aka samar a cikin reactor yana yin musanyar zafi tare da cakuda ruwan kayan, sannan kuma a wanke a cikin hasumiya mai tsarkakewa.An raba ruwan cakuda ruwan da aka yi da ruwa da tsarin wankewa a cikin hasumiya mai tsarkakewa.Abubuwan da ke tattare da wannan cakuda ruwan shine yafi ruwa da methanol.Ana mayar da shi zuwa tankin albarkatun kasa don sake amfani da shi.Ana aika ƙwararriyar iskar gas ɗin zuwa sashin PSA.

(2) PSA-H2

Matsakaicin Swing Adsorption (PSA) ya dogara ne akan tallan ƙwayoyin iskar gas a zahiri na wani takamaiman abin talla (porous m abu).Adsorbent yana da sauƙi don ƙaddamar da abubuwan da ke tafasa da yawa kuma yana da wuya a ƙaddamar da ƙananan abubuwan tafasa a matsa lamba ɗaya.Adadin adsorption yana ƙara yawan matsa lamba kuma yana raguwa a ƙarƙashin ƙananan matsa lamba.Lokacin da iskar gas ɗin abinci ta ratsa ta gadon adsorption a ƙarƙashin wani matsi, zaɓaɓɓen ƙazanta masu tafasa ana zaɓan zaɓaɓɓu kuma ƙaramin tafasar hydrogen wanda ba a haɗa shi cikin sauƙi yana fita.An gane rabuwar hydrogen da abubuwan da ba su da tsabta.

Bayan tsarin tallan, adsorbent yana lalata ƙazantar da aka sha lokacin da ake rage matsa lamba ta yadda za'a iya sake haifar da shi don ƙarawa kuma ya sake raba ƙazanta.