A method of warming up a fuel evaporator is disclosed. The fuel evaporator 2
comprises: an evaporation chamber 2b equipped with a first injection
device 2a for injecting raw fuel liquid onto a heat source 2p,
and vaporizing the raw fuel liquid on the heat source; a catalyst combustor
20 having a combustion catalyst 22a, and introducing catalytically
burned combustion gas into the heat source; a second injection device 30 for
supplying fuel to the catalyst combustor; a combustion gas transferring device
10 equipped with a fuel injection portion 10a and a combustion
catalyst 10c, and the fuel injection portion injecting fuel onto
the combustion catalyst to generate a catalytically burned gas; a first temperature
measurement device T1 for the catalyst combustor; and a second temperature
measurement device T2 for the evaporation chamber. The warm-up method comprises
the steps of: transferring the combustion gas with the combustion gas transferring
device; stopping the combustion gas transferring device in accordance with a temperature
of the catalyst combustor, and transferring fuel to the catalyst combustor with
the second injection device; and injecting the raw fuel liquid from the first injection
device in accordance with a temperature of the evaporation chamber so as to vaporize
the raw fuel liquid within the evaporation chamber.
