Isiphakamiso sobuchwepheshe benqubo kanye nencazelo yesitshalo sokukhiqiza igesi yemvelo i-hydrogen (1)

1) Umdwebo oyisisekelo wokugeleza kwenqubo ukukhiqizwa kwe-hydrogen yegesi yemvelo

Qaphela: Ibhokisi elinamachashazi liyindawo emngceleni we ukukhiqizwa kwe-hydrogen idivayisi, futhi umthengisi unesibopho sendawo engaphakathi kwebhokisi elinamachashazi.

2) Isimiso Senqubo

I-skid-mounted ukukhiqizwa kwe-hydrogen yegesi yemvelo imishini ihlanganisa ikakhulukazi izinyathelo ezinhlanu eziyinhloko zenqubo: ukucindezela igesi yemvelo, ukususwa kwesibabule segesi yemvelo, ukuguqulwa komusi wegesi yemvelo, ukuguqulwa kwe-CO2, kanye nokuhlukaniswa nokuhlanzwa kwe-hydrogen.

1) Ukususwa kwe-sulfurization yezinto ezingavuthiwe

Igesi yemvelo eluhlaza ishiswa ku-320-380℃ esigabeni sokushintsha kwe-convection se-reformer bese idlula kuma-desulfurizers e-manganese oxide kanye ne-zinc oxide ukuze kususwe i-organic sulfur kanye ne-H2.₂S kugesi eluhlaza _ku- ngaphansi kuka-0.1ppm ukuze kuhlangatshezwane nezidingo zesibabule ze-catalyst yokuguqula umusi. Izimpendulo eziyinhloko yilezi ezilandelayo:

H₂S +ZnO→ ZnS + H₂I-THE

2) Ukuguqulwa kwe-steam yegesi yemvelo: Ngemva kokuba i-sulfur yegesi yemvelo isusiwe ibe ngaphansi kuka-0.1 PPm, ixutshwa ne-process steam ngesilinganiso esingu-3.2 kuya ku-3.5, bese ingena kwi-coil yokushisa igesi exubile ukuze ishiswe kabusha ibe ngu-550 kuya ku-600 °C ngaphambi kokungena kwi-tube yokuguqulwa. Embhedeni we-catalyst, i-methane isabela nomhwamuko wamanzi ukuze ikhiqize i-H2.₂ kanye ne-CO, kanti i-CO iyaqhubeka nokusabela nomhwamuko wamanzi ukuze ikhiqize i-CO_2. Ukushisa okudingekayo ekuguqulweni kwe-methane kunikezwa ukushiswa kwegesi exubile kaphethiloli. Uma kukhona i-nickel catalyst, ukusabela kwayo okuyinhloko kungokulandelayo:

CH₄ +H₂O (umusi) = CO +3H₂ -49200Kcal/Kmol (ukusabela kokuguqulwa)

I-CO+H₂O (umusi) = CO₂ +H₂+9840Kcal/Kmol (ukusabela kokuguqulwa)

Ukusabela kokuqhekeka kwama-alkanes aphezulu (400～600℃)

I-CnH₂n + 2nH₂O (umusi) =(2n+1) H₂ + i-nCO

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