| abstract |
[Problem] When the exhaust gas of power generation is used as a heat source for the dehydrogenation reaction, the temperature of the dehydrogenation reaction is controlled in an appropriate range to enable efficient and stable hydrogen production. [Solution] A dehydrogenation reaction device 51 in which the hydrogen production system 1 generates hydrogen from organic hydride by dehydrogenation reaction in the presence of a catalyst, and a first power generation unit 2 that generates electricity based on the energy of combustion gas ), a heat recovery unit 3 for recovering heat from the exhaust gas of the first power generation unit, a heat exchanger 21 for exchanging heat between the exhaust gas and a heat medium in the heat recovery unit, and a heat medium heated by the heat exchanger in a liquid state and a circulation line (L1 to L3) introduced into the furnace dehydrogenation reactor and circulated between the heat exchanger, wherein the introduction temperature of the heating medium in the dehydrogenation reactor is within the range of 352° C. to 392° C., and the discharge temperature of the heating medium is 337 It is in the range of °C - 367 °C, and the temperature difference between the introduction temperature and the discharge temperature is within the range of 10 °C - 50 °C. |