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    • 7. 发明公开
    • HYDROGEN GENERATION SYSTEM AND HYDROGEN GENERATION METHOD
    • VERFAHREN ZUR WASSERSTOFFERZEUGUNG WASSERSTOFFERZEUGUNGSSYSTEM
    • EP3124432A1
    • 2017-02-01
    • EP15767992.9
    • 2015-03-25
    • Chiyoda Corporation
    • IKEDA, OsamuMIKURIYA, TomoyukiFURUKAWA, ToshikiOZAKI, Yuhi
    • C01B3/26F01K23/10F02C3/22F02C3/30F02C6/04F02C6/18F23R3/00
    • F02C3/22C01B3/26C01B2203/0277C01B2203/0822C01B2203/1058C01B2203/1064C01B2203/107C01B2203/1235C01B2203/1252C01B2203/84C10L3/00F01K5/02F01K23/10F02C3/30F02C6/04F02C6/18F02C7/22F23R3/00Y02E20/14Y02E20/16Y02P20/124Y02P20/129
    • Provided is a system and a method which allow hydrogen to be produced both efficiently and in a stable manner when using exhaust gas produced by power generation as a heat source for the dehydrogenation reaction, controlling the temperature of the dehydrogenation reaction within an appropriate range. The system (1) for producing hydrogen comprises a dehydrogenation reaction unit (51) for producing hydrogen from an organic hydride by a dehydrogenation reaction in presence of a dehydrogenation catalyst; a first power generation unit (2) for generating electric power from energy of combustion gas produced by combustion of fuel; a waste heat recovery unit (3) for receiving heat from exhaust gas expelled from the first power generation unit; a heat exchanger (21) provided in the waste heat recovery unit for exchanging heat between the exhaust gas and a heat medium; and a circulation line (L1 - L3) for introducing the heat medium heated in the heat exchanger to the dehydrogenation reaction unit in liquid form, and returning the heat medium expelled from the dehydrogenation reaction unit to the heat exchanger; wherein the heat medium is introduced into the dehydrogenation reaction unit at an introduction temperature ranging between 352 °C and 392 °C, the heat medium is expelled from the dehydrogenation reaction unit at an expulsion temperature ranging between 337 °C and 367 °C, and a difference between the introduction temperature and the expulsion temperature ranges between 10 °C and 50 °C.
    • 提供一种系统和方法,当使用通过发电产生的废气作为脱氢反应的热源时,能够有效地和稳定地产生氢气,将脱氢反应的温度控制在适当的范围内。 用于生产氢的体系(1)包括脱氢反应单元(51),用于在脱氢催化剂的存在下通过脱氢反应从有机氢化物中产生氢; 用于通过燃料燃烧产生的燃烧气体的能量产生电力的第一发电单元(2) 废热回收单元(3),用于从第一发电单元排出的排气接收热量; 设置在废热回收单元中用于在废气和热介质之间交换热量的热交换器(21) 以及用于将在热交换器中加热的热介质以液体形式引入脱氢反应单元的循环管线(L1-L3),并将从脱氢反应单元排出的热介质返回到热交换器; 其特征在于,所述热介质以介于352℃〜392℃的导入温度导入所述脱氢反应单元,所述热介质在337℃〜367℃的排出温度下从所述脱氢反应单元排出, 导入温度和排出温度之间的差在10℃至50℃之间。