Isindululo setekhnoloji yenkqubo kunye nenkcazo yesityalo sokuvelisa i-hydrogen segesi yendalo (1)

1) Umzobo osisiseko wokuhamba kwenkqubo imveliso ye-hydrogen yegesi yendalo

Qaphela: Ibhokisi enamachaphaza yindawo enomda we imveliso ye-hydrogen isixhobo, kwaye umthengisi unoxanduva lwendawo engaphakathi kwebhokisi enamachaphaza.

2) Umgaqo weNkqubo

Ifakwe kwi-skid imveliso ye-hydrogen yegesi yendalo Izixhobo ziquka ikakhulu amanyathelo amahlanu aphambili enkqubo: uxinzelelo lwegesi yendalo, ukususwa kwesalfurization yegesi yendalo, ukuhlaziywa komphunga wegesi yendalo, ukuguqulwa kweCO2, kunye nokwahlulwa kunye nokucocwa kwehydrogen.

1) Ukususwa kwesalfurization yezinto ezikrwada

Igesi yendalo eluhlaza itshiswa ukuya kuma-320-380℃ kwicandelo le-convection le-reformer ize idlule kwi-manganese oxide kunye ne-zinc oxide desulfurizers ukuze isuse i-organic sulfur kunye ne-H2.₂S kwigesi eluhlaza _ukuya ngaphantsi kwe-0.1ppm ukuhlangabezana neemfuno zesalfure ze-catalyst yokuguqula umphunga. Iimpendulo eziphambili zezi zilandelayo:

H₂S +ZnO→ ZnS + H₂I-

2) Ukulungiswa komphunga wegesi yendalo: Emva kokuba i-sulfur yegesi yendalo isusiwe iye ngaphantsi kwe-0.1 PPm, ixutywa nomphunga wenkqubo ngomlinganiselo we-3.2 ukuya kwi-3.5, ize ingene kwi-coil yokufudumeza igesi exutyiweyo ukuze ifudunyezwe ngakumbi ukuya kwi-550 ukuya kwi-600 °C ngaphambi kokuba ingene kwityhubhu yokulungisa. Kwi-catalyst bed, i-methane isabela nomphunga wamanzi ukuze ivelise i-H₂ kunye ne-CO, kwaye i-CO iyaqhubeka nokusabela nomphunga wamanzi ukuvelisa i-CO_2. Ubushushu obufunekayo ekuguqulweni kwemethane bubonelelwa kukutshiswa kwegesi exutyiweyo ngamafutha. Xa kukho i-nickel catalyst, iimpendulo zayo eziphambili zezi zilandelayo:

CH₄ +H₂O (umphunga) = CO +3H₂ -49200Kcal/Kmol (impendulo yokuguqulwa)

CO+H₂O (umphunga) = CO₂ +H₂+9840Kcal/Kmol (impendulo yokuguqula)

Impendulo yokuqhekeka kwee-alkanes eziphezulu (400～600℃)

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

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