Patent ID: 7700053
Filing Date: 2010-04-20
Classification: B01J,C01B,Y02P

Abstract:
1. A reforming device comprising: a reforming portion that generates reformed gas from a mixed gas, in which fuel and steam are mixed, and exhales such reformed gas; a combusting portion that generates combustion gas used for heating the reforming portion; a combustion gas channel within which combustion gas channel the combustion gas flows; an evaporating portion that generates steam by heating water and supplies the steam to the reforming portion; and a carbon monoxide reducing portion that reduces a level of carbon monoxide in the reformed gas that has been exhaled by the reforming portion, and supplies such reformed gas to a fuel cell, wherein the combustion gas channel is provided along an inner circumferential wall of the evaporating portion, the carbon monoxide reducing portion is provided along an outer circumferential wall of the evaporating portion, the reforming portion includes a tube shape, the combustion portion is provided at an inner circumference of the reforming portion, the combustion gas channel includes a loop-back channel including an inner circumferential channel, which inner circumferential channel is provided along an inner circumferential wall of the reforming portion, and an outer circumferential channel, which outer circumferential channel is provided at an outer circumference along an outer circumferential wall of the reforming portion, the inner circumferential channel being connected to the outer circumferential channel, and the evaporating portion is provided at an outer circumferential wall of the outer circumferential channel; and wherein the reforming portion includes a loop-back channel, the loop-back channel includes an outer flow path and an inner flow path, and wherein the reformed gas within the reforming portion loop-back channel flows from the outer flow path to the inner flow path.