JP6473345B2 - 水素製造装置及び水素製造方法 - Google Patents
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Description
3 改質器
4 加熱装置
6 変成器
8 水素分離装置
11 熱回収装置
12 熱吸収処理部
18 第3熱交換器(排熱回収部)
20 熱媒タンク(蓄熱部)
21 熱媒供給装置(熱供給装置)
22 CO2分離装置
24 吸収処理部(捕捉部)
72 放出部
73 加熱部
74 放出流路
76 熱媒流路
Claims (8)
- 炭化水素と水蒸気を改質反応させてCOと水素を生成する改質器と、
前記改質反応を進行させるために前記改質器を加熱する加熱装置と、
前記改質器により生成されたCO及び水素を含む改質ガス中のCOを水蒸気と変成反応させて水素とCO2を生成する変成器と、
前記変成反応により生成された水素及びCO2を含む変成ガスから水素を分離して取り出す水素分離装置と、
前記水素分離装置によって前記変成ガスから水素が分離された後の残りのガスであるオフガスからCO2を分離して取り出すCO2分離装置と、
前記改質ガスの熱、前記変成ガスの熱、及び、前記加熱装置からの排熱のうちの少なくとも1つの熱を回収する熱回収装置と、
前記熱回収装置により回収された熱を前記CO2分離装置へ供給する熱供給装置と、を備え、
前記CO2分離装置は、CO2を吸収又は吸着する捕捉剤により前記オフガス中のCO2を捕捉する捕捉部と、CO2を捕捉した後の前記捕捉剤である捕捉後捕捉剤からCO2を放出させて取り出すためにその捕捉後捕捉剤を前記熱供給装置から供給される熱を利用して加熱する加熱部とを有し、
前記熱回収装置は、前記改質ガスの熱、前記変成ガスの熱、及び、前記加熱装置からの排熱の少なくとも1つの熱を熱媒体に吸収させる熱吸収処理部を有し、
前記熱供給装置は、熱を吸収した熱媒体を前記加熱部へ供給する熱媒供給装置を有し、
前記加熱部は、前記捕捉後捕捉剤に前記熱媒供給装置から供給された熱媒体の熱を付与することによりその捕捉後捕捉剤を加熱し、
前記捕捉剤は、前記オフガスからCO 2 を吸収可能な吸収液であり、
前記捕捉部は、吸収液に前記オフガス中のCO 2 を吸収させる吸収処理部であり、
前記捕捉後捕捉剤は、前記吸収処理部でCO 2 を吸収した後の吸収液である吸収後吸収液であり、
前記CO 2 分離装置は、前記吸収後吸収液を流通させながらその吸収後吸収液からCO 2 を放出させる放出流路が設けられた放出部をさらに有し、
前記加熱部は、前記熱媒供給装置から供給された熱媒体が前記放出流路に流通する吸収後吸収液と熱交換するようにその熱媒体を流通させる熱媒流路を有し、
前記放出流路及び前記熱媒流路は、共にマイクロチャネルであって、1つの流路構造体内において当該放出流路を流通する前記吸収後吸収液と当該熱媒流路を流通する前記熱媒体とが互いに熱交換するように隣接して配置されている、水素製造装置。 - 前記熱回収装置は、前記加熱装置からの排熱を回収する排熱回収部を有する、請求項1に記載の水素製造装置。
- 前記熱回収装置は、回収した熱を蓄える蓄熱部を有し、
前記熱供給装置は、前記蓄熱部に蓄えられた熱を前記加熱部へ供給する、請求項1又は2に記載の水素製造装置。 - 前記加熱装置は、前記捕捉剤によってCO2を捕捉されることによりCO2が除去された後のオフガスを燃焼させて前記改質器を加熱するための熱を生成するバーナーを有する、請求項1〜3のいずれか1項に記載の水素製造装置。
- 水素製造方法であって、
炭化水素と水蒸気を加熱しながら改質反応させてCOと水素を生成する改質工程と、
前記改質工程で生成されたCO及び水素を含む改質ガス中のCOを水蒸気と変成反応させて水素とCO2を生成する変成工程と、
前記変成工程で生成された水素及びCO2を含む変成ガスから水素を分離して取り出す水素分離工程と、
前記改質ガスの熱と、前記変成ガスの熱と、前記改質工程で炭化水素及び水蒸気を加熱するために用いた熱の排熱とのうち少なくとも1つの熱を回収する熱回収工程と、
前記水素分離工程によって前記変成ガスから水素が分離された後の残りのガスであるオフガスからCO2を分離して取り出すCO2分離工程と、を備え、
前記CO2分離工程は、CO2を吸収又は吸着する捕捉剤により前記オフガス中のCO2を捕捉する捕捉工程と、CO2を捕捉した後の前記捕捉剤である捕捉後捕捉剤からCO2を放出させて取り出す放出工程と、を含み、
前記放出工程は、前記捕捉後捕捉剤からCO2を放出させるためにその捕捉後捕捉剤を前記熱回収工程で回収した熱を利用して加熱する加熱工程を有し、
前記熱回収工程は、前記改質ガスの熱、前記変成ガスの熱、及び、前記排熱のうち少なくとも1つの熱を熱媒体に吸収させる熱吸収工程を含み、
前記水素製造方法は、前記熱吸収工程で熱を吸収した熱媒体を前記加熱工程で前記捕捉後捕捉剤を加熱するための加熱部へ供給する熱媒供給工程をさらに備え、
前記加熱工程では、前記加熱部に前記熱媒供給工程で供給された熱媒体の熱を前記捕捉後捕捉剤に付与させることにより前記捕捉後捕捉剤を加熱し、
前記捕捉工程は、前記オフガスからCO 2 を吸収可能な吸収液を前記捕捉剤として用いて、その吸収液により前記オフガス中のCO 2 を吸収するCO 2 吸収工程を有し、
前記捕捉後捕捉剤は、前記CO 2 吸収工程でCO 2 を吸収した後の吸収液である吸収後吸収液であり、
前記放出工程では、前記吸収後吸収液をマイクロチャネルである放出流路に流通させながらその吸収後吸収液からCO 2 を放出させ、
前記加熱工程では、前記熱吸収工程で熱を吸収した熱媒体をマイクロチャネルである熱媒流路に流通させながら前記放出流路を流通する吸収後吸収液と熱交換させることによりその吸収後吸収液を加熱し、
前記放出工程で用いる前記放出流路と前記加熱工程で用いる前記熱媒流路は、1つの流路構造体内において前記放出流路を流通する吸収後吸収液と前記熱媒流路を流通する熱媒体とが互いに熱交換するように隣接して配置されている、水素製造方法。 - 前記熱回収工程では、前記改質工程で炭化水素及び水蒸気を加熱するために用いた熱の排熱を回収する、請求項5に記載の水素製造方法。
- 前記熱回収工程は、回収した熱を蓄熱部に蓄える蓄熱工程を含み、
前記加熱工程では、前記蓄熱工程で前記蓄熱部に蓄えた熱を利用して前記捕捉後捕捉剤を加熱する、請求項5又は6に記載の水素製造方法。 - 前記改質工程は、前記捕捉工程において前記捕捉剤にCO2を捕捉されることによりCO2が除去された後のオフガスを燃焼させて炭化水素と水蒸気を加熱するための熱を生成する熱生成工程を有する、請求項5〜7のいずれか1項に記載の水素製造方法。
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JP2015036902A JP6473345B2 (ja) | 2015-02-26 | 2015-02-26 | 水素製造装置及び水素製造方法 |
EP16153601.6A EP3061724A1 (en) | 2015-02-26 | 2016-02-01 | Hydrogen production apparatus and hydrogen production method |
US15/052,566 US9776862B2 (en) | 2015-02-26 | 2016-02-24 | Hydrogen production apparatus and hydrogen production method |
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US11506122B2 (en) | 2016-11-09 | 2022-11-22 | 8 Rivers Capital, Llc | Systems and methods for power production with integrated production of hydrogen |
JP7297775B2 (ja) | 2017-11-09 | 2023-06-26 | 8 リバーズ キャピタル,エルエルシー | 水素および二酸化炭素の生成および分離のためのシステムおよび方法 |
JP2019137589A (ja) * | 2018-02-13 | 2019-08-22 | 東京瓦斯株式会社 | 水素製造装置 |
WO2020250194A1 (en) | 2019-06-13 | 2020-12-17 | 8 Rivers Capital, Llc | Power production with cogeneration of further products |
CN111960381A (zh) * | 2020-08-19 | 2020-11-20 | 大连理工大学 | 一种防止co中毒的烃类重整制氢反应装置及方法 |
US11680466B2 (en) | 2021-02-08 | 2023-06-20 | TerraH2 LLC | Hydrogen storage and recovery with fracture monitoring |
US11814288B2 (en) | 2021-11-18 | 2023-11-14 | 8 Rivers Capital, Llc | Oxy-fuel heated hydrogen production process |
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US4733528A (en) * | 1984-03-02 | 1988-03-29 | Imperial Chemical Industries Plc | Energy recovery |
WO2001004046A1 (fr) * | 1999-07-13 | 2001-01-18 | Ebara Corporation | Procede de production d'energie electrique a l'aide d'une pile a combustible et systeme de production d'energie electrique utilisant une pile a combustible |
WO2002010660A1 (en) * | 2000-07-28 | 2002-02-07 | Honda Motor Co Ltd | VERSATILE MICRO-CHANNEL MICRO-COMPONENT |
JP4357756B2 (ja) | 2001-02-23 | 2009-11-04 | 東京瓦斯株式会社 | メンブレンリフォーマによる高純度水素製造システム |
JP2004168553A (ja) * | 2002-11-15 | 2004-06-17 | Mitsubishi Heavy Ind Ltd | 合成ガスの製造方法 |
GB2428038B (en) * | 2005-07-06 | 2011-04-06 | Statoil Asa | Carbon dioxide extraction process |
JP4744971B2 (ja) * | 2005-07-29 | 2011-08-10 | 株式会社東芝 | 低質廃熱回収システム |
JP4861729B2 (ja) * | 2006-03-24 | 2012-01-25 | 石油コンビナート高度統合運営技術研究組合 | 水素製造方法および水素製造装置 |
WO2008123337A1 (ja) * | 2007-03-29 | 2008-10-16 | Nippon Oil Corporation | 水素製造および二酸化炭素回収方法ならびに装置 |
EP2351703B1 (en) * | 2008-11-20 | 2016-01-27 | Panasonic Intellectual Property Management Co., Ltd. | Method of operating a hydrogen generator |
US8303930B2 (en) * | 2009-05-18 | 2012-11-06 | American Air Liquide, Inc. | Processes for the recovery of high purity hydrogen and high purity carbon dioxide |
EP2305366B1 (en) * | 2009-09-16 | 2012-05-30 | Consejo Superior de Investigaciones Científicas (CSIC) | Method of capturing CO2 by means of CaO and the exothermal reduction of a solid |
DE102009055617A1 (de) * | 2009-11-25 | 2011-05-26 | Kirchner, Hans Walter, Dipl.-Ing. | STIG-Prozess mit Pre-Combustion-CO2-Abscheidung |
JP5804860B2 (ja) * | 2011-01-31 | 2015-11-04 | 大阪瓦斯株式会社 | 水素製造装置 |
JP6004965B2 (ja) * | 2013-02-18 | 2016-10-12 | 三菱重工業株式会社 | 二酸化炭素を回収する方法またはシステム |
RU2667550C2 (ru) * | 2013-08-06 | 2018-09-21 | Тийода Корпорейшн | Система подачи водорода и способ подачи водорода |
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US20160251217A1 (en) | 2016-09-01 |
EP3061724A1 (en) | 2016-08-31 |
US9776862B2 (en) | 2017-10-03 |
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