NOVELTY - The temperature-rise apparatus has a hydrogen separated-type reformer (1) having reaction pipe, and combustion portion (13) which generates combustion gas for heating reaction pipe. The reaction pipe has reaction tube having modification catalyst (11) and hydrogen separation membrane (12). A combustion-gas path (15) is provided for heating reaction tube. The temperature of reaction tube is raised rapidly during starting.    USE - For warming-up vehicle loading type hydrogen-production system (claimed).    ADVANTAGE - The temperature-rise apparatus shortens the heating-up time during restarting a hydrogen separated-type reformer after movement, and eliminates the loss of time for every moving destination. The upper portion of the reaction pipe is heated uniformly, generation of hot spots is prevented, and temperature is raised rapidly.    DETAILED DESCRIPTION - The temperature-rise apparatus has a hydrogen separated-type reformer having a reaction pipe, and a combustion portion (13) which generates combustion gas which heats the reaction pipe. The reaction pipe is provided with a reaction tube having a modification catalyst (11) and a hydrogen separation membrane (12) for division. A combustion-gas path (15) is provided for heating the reaction tube. A combustion exhaust gas circulation line is provided at the combustion portion for circulating and returning portion(s) of combustion exhaust gas coming out of the reformer, to the reformer from the combustion exhaust gas inlet through a ventilation. The temperature of the reaction tube is raised rapidly during starting. An INDEPENDENT CLAIM is included for warm-up procedure for vehicle loading type hydrogen-production system.    DESCRIPTION OF DRAWING(S) - The figure shows the block diagram of the vehicle loading type hydrogen-production system. (Drawing includes non-English language text).    hydrogen separated-type reformer (1)    modification catalyst (11)    hydrogen separation membrane (12)    combustion portion (13)    combustion exhaust gas path (15)