| 摘要 |
A fuel reforming apparatus includes a reaction tube for causing endothermic reaction for converting a fuel gas with hydrocarbon, steam, and the like mixed therein into a hydrogen-enriched gas using a catalyst, a combustor for generating a combustion gas for heating the reaction tube, a heat insulating layer for preventing the radiation of the combustion gas, and a combustion gas passage disposed around the reaction tube and allowing the combustion gas to flow therethrough, and a passage for air or fuel gas disposed around the fuel gas passage, a heat insulating layer being disposed around the outer peripheral surface of this passage.
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