| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel cell system provided with a reformer producing gaseous hydrogen using various raw materials. <P>SOLUTION: Liquid fuel after desulfurized in a vaporizer 630 is mixed with steam from a heat exchanger 640 and is supplied to a reforming vessel 622 from a raw material gas supply pipe 622S. When the pressure in the reforming vessel 622 reaches equal to or above prescribed pressure, a safety valve is worked and a gas phase component in the reforming vessel 622 flows out from a raw material return part 622S2 of the raw material gas supply pipe 622S through a raw material return pipe 730. A hydrocarbon raw material gas after desulfurized is supplied from the raw material return pipe 730 and mixed with steam from the heat exchanger 640 in the raw material return part 622S2 and is supplied to the reforming vessel 622 from the raw material gas supply pipe 622S. A different raw material is used in one apparatus structure. Because the hydrocarbon raw material gas is supplied using the raw material return pipe 730 for leaking the gas phase component in the reforming vessel 622, the structure is simplified. <P>COPYRIGHT: (C)2008,JPO&INPIT |
