| 摘要 |
A hydrogen generating apparatus (1) includes a reformer (6) for reforming a feed stock containing hydrocarbon to generate a hydrogen-containing gas, a combustor (7) for heating the reformer (6) by combusting a combustion gas which is the feed stock or the hydrogen-containing gas and air, and an air feeder (9) for feeding the air to the combustor (7). The hydrogen generating apparatus (1) also includes a combustion air channel (10) for connecting the combustor (7) and the air feeder (9), a hydro-desulfurizer (3) for removing a sulfur component in the feed stock by hydrogenation reaction, and a cooler (14) for cooling the hydro-desulfurizer (3) by circulating the air. Further, the hydrogen generating apparatus (1) includes a contraction part (17), a cooling channel (15) joining downstream the contraction part (17), and a first valve (16) disposed in the cooling channel (15). Further, the hydrogen generating apparatus (1) includes a controller (13) configured to control an opening of the first valve (16) to be increased at a predetermined timing. |
