| 摘要 |
A reforming apparatus or the like that is capable of homogeneous mixing of water (steam) with a raw material, prevention of carbon deposition without the need to install a temperature control unit, efficient heating of water or mixtures by a heating gas, etc. Accordingly, the reforming apparatus comprises first evaporator (05) of cylindrical form with a first flow channel; second evaporator (06) of cylindrical form with a second flow channel; piping (027) connecting the outlet of the first flow channel to the inlet of the second flow channel; and raw material mixing section (028) disposed in the midstream of the piping, wherein the first evaporator and the second evaporator are disposed concentrically, and wherein heating gas flow channel (024) is provided between the first evaporator and the second evaporator, and wherein in the first evaporator, water (021) flowing through the first flow channel is heated by heating gas into steam, and wherein in the raw material mixing section, a raw material is mixed in the steam to thereby produce a mixture, and wherein in the second evaporator, the mixture flowing through the second flow channel is heated by heating gas into superheated vapor, and wherein this superheated vapor flows through reforming catalyst layer (03).
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