| 摘要 |
Provided is a hydrogen generator which is capable of reducing a size of an entire apparatus and reducing a running cost by utilizing heat of a heat exchanger ( 1 ) for hydrogen reforming in a reformer ( 2 ), and which can particularly preferably be used in a facility such as a hospital, a restaurant, or a hotel utilizing both steam and electricity, and a fuel cell system using the hydrogen generator. The hydrogen generator includes the reformer ( 2 ) for generating hydrogen H<SUB>2 </SUB>from a fuel gas G and steam H<SUB>2</SUB>O incorporated in a fuel gas passage ( 12 ) of the heat exchanger ( 1 ) provided with a water pipe ( 13 ). The hydrogen generator utilizes a part of heat of the heat exchanger ( 1 ) for hydrogen reforming performed in the reformer ( 2 ). The hydrogen generator includes the reformer ( 2 ), a converter ( 3 ) for generating hydrogen from carbon monoxide generated in the reformer and steam, and a CO remover ( 4 ) for removing a carbon monoxide gas generated in the converter ( 3 ). The reformer ( 2 ), the converter ( 3 ), and the CO remover ( 4 ) are arranged in the flue gas passage ( 12 ) of the heat exchanger ( 1 ).
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