| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve such defects that the combustion state becomes unstable at the starting time, the discharge amount of carbon monoxide contained in a combustion exhaust gas is increased, and an unburned fuel component is discharged in a conventional hydrogen generating apparatus having a structure wherein air for combustion is heated by using the combustion exhaust gas. <P>SOLUTION: The combustion exhaust gas is heated to a temperature higher than the dew point of the combustion exhaust gas. Then, the hydrogen generating apparatus has a heating device 21 for heating air for combustion. The heating device 21 is operated preferably for a certain time after stating of the hydrogen generating apparatus or for a period until the temperature of the combustion exhaust gas reaches a set temperature. Thereby, the combustion is made stable at the starting time or the time when the combustion becomes unstable is shortened. Accordingly, the discharge amount of carbon monoxide in the combustion exhaust gas can be reduced and the discharge amount of the unburned fuel can be reduced. <P>COPYRIGHT: (C)2007,JPO&INPIT |
