HYDROGEN GENERATION SYSTEM AND HYDROGEN GENERATION METHOD

Title:

HYDROGEN GENERATION SYSTEM AND HYDROGEN GENERATION METHOD

Document Type and Number:

WIPO Patent Application WO/2015/146170

Kind Code:

A1

Abstract:

[Problem] To control the temperature of dehydrogenation to an appropriate range to enable efficient and stable hydrogen generation when exhaust gas of power generation is used as a heat source for the dehydrogenation. [Solution] A hydrogen generation system (1) includes: a dehydrogenation device (51) that generates hydrogen from organic hydride by dehydrogenation in the presence of a catalyst; a first power generation unit (2) that generates power from combustion gas energy; an exhaust heat recovery unit (3) that recovers heat from exhaust gas of the first power generation unit; a heat exchanger (21) that carries out heat exchange between the exhaust gas and a heating medium in the exhaust heat recovery unit; and circulation lines (L1 to L3) that introduce the heating medium heated by the heat exchanger into the dehydrogenation device in a liquid state and circulate the same between the dehydrogenation device and the heat exchanger. An introductory temperature of the heating medium in the dehydrogenation device is in the range of 352 to 392°C, an exhaust temperature of the heating medium is in the range of 337 to 367°C, and the temperature difference between the introductory temperature and the exhaust temperature is in the range of 10 to 50°C.

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Inventors:

IKEDA OSAMU (JP)
MIKURIYA TOMOYUKI (JP)
FURUKAWA TOSHIKI (JP)
OZAKI YUHI (JP)

Application Number:

PCT/JP2015/001706

Publication Date:

October 01, 2015

Filing Date:

March 25, 2015

Export Citation:

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Assignee:

CHIYODA CORP (JP)

International Classes:

C01B3/26; F01K23/10; F02C3/22; F02C3/30; F02C6/04; F02C6/18; F23R3/00

Foreign References:

JP2012206909A	2012-10-25
JP2013067588A	2013-04-18

Other References: