JP2008285355A - 改質器および間接内部改質型高温型燃料電池 - Google Patents
改質器および間接内部改質型高温型燃料電池 Download PDFInfo
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Abstract
【解決手段】水蒸気改質反応を利用して炭化水素系燃料から水素含有ガスを製造する改質器であって、反応容器と反応容器内に水蒸気改質能を有する粒状触媒が充填された改質触媒層を有する改質器において、改質触媒層を少なくとも二つに区画する仕切り板を有し、仕切り板の熱伝導率が触媒層の有効熱伝導率より高く、仕切り板が反応容器の定格運転時においてより高温の部分からより低温の部分に向かって延在する改質器。この改質器と水素含有ガスを用いて発電を行う高温型燃料電池とを有し、改質器が高温型燃料電池からの熱輻射を受ける位置に配された間接内部改質型高温型燃料電池。
【選択図】図1
Description
反応容器と、該反応容器内に水蒸気改質能を有する粒状触媒が充填された改質触媒層を有する改質器において、
該改質触媒層を少なくとも二つに区画する仕切り板を有し、
該仕切り板の熱伝導率が該触媒層の有効熱伝導率より高く、
該仕切り板が、該反応容器の、定格運転時においてより高温の部分からより低温の部分に向かって延在する改質器が提供される。
該改質器は、反応容器と、該反応容器内に水蒸気改質能を有する粒状触媒が充填された改質触媒層を有し、
該改質器が該高温型燃料電池からの熱輻射を受ける位置に配された間接内部改質型高温型燃料電池であって、
該改質器が、該改質触媒層を少なくとも二つに区画する仕切り板を有し、
該仕切り板の熱伝導率は該触媒層の有効熱伝導率より高く、
該仕切り板が、該反応容器の、定格運転時においてより高温の部分からより低温の部分に向かって延在する間接内部改質型高温型燃料電池が提供される。
第一の仕切り板の熱伝導率は、改質触媒層の有効熱伝導率より高くする。第二の仕切り板を設ける場合も、その熱伝導率は、改質触媒層の有効熱伝導率より高くする。
炭化水素系燃料としては、改質ガスの原料として高温型燃料電池の分野で公知の、分子中に炭素と水素を含む(酸素など他の元素を含んでもよい)化合物もしくはその混合物から適宜選んで用いることができ、炭化水素類、アルコール類など分子中に炭素と水素を有する化合物を用いることができる。例えばメタン、エタン、プロパン、ブタン、天然ガス、LPG(液化石油ガス)、都市ガス、ガソリン、ナフサ、灯油、軽油等の炭化水素燃料、また、メタノール、エタノール等のアルコール、ジメチルエーテル等のエーテル等である。
本発明は、高温型燃料電池からの熱輻射によって改質器を加熱可能な間接内部改質型燃料電池に好適に適用することができる。このような高温型燃料電池としてSOFCの他に、溶融炭酸塩型燃料電池(MCFC)を挙げることができる。
改質器は、反応容器内に水蒸気改質能を有する粒状触媒が充填された改質触媒層を有する。水蒸気改質能を有する改質触媒としては、水蒸気改質能を有する水蒸気改質触媒、および、部分酸化改質能と水蒸気改質能とを併せ持つオートサーマル改質触媒から適宜選んで用いることができる。
改質器で用いる水蒸気改質触媒、オートサーマル改質触媒のいずれも、それぞれ公知の触媒を用いることができる。水蒸気改質触媒の例としてはルテニウム系およびニッケル系、オートサーマル改質触媒の例としてはロジウム系触媒を挙げることができる。
本発明の間接内部改質型高温型燃料電池に、高温型燃料電池システムの公知の構成要素を必要に応じて適宜付設して用いることができる。このような構成要素の具体例を挙げれば、炭化水素系燃料に含まれる硫黄分を低減する脱硫器、液体を気化させる気化器、各種流体を加圧するためのポンプ、圧縮機、ブロワなどの昇圧手段、流体の流量を調節するため、あるいは流体の流れを遮断/切り替えるためのバルブ等の流量調節手段や流路遮断/切り替え手段、熱交換・熱回収を行うための熱交換器、気体を凝縮する凝縮器、スチームなどで各種機器を外熱する加熱/保温手段、炭化水素系燃料や可燃物の貯蔵手段、計装用の空気や電気系統、制御用の信号系統、制御装置、出力用や動力用の電気系統などである。
2:改質容器
3:第一の仕切り板
4:第二の仕切り板
5:改質触媒層
6:SOFC
7:モジュール容器
8:電気ヒータ
Claims (4)
- 水蒸気改質反応を利用して炭化水素系燃料から水素含有ガスを製造する改質器であって、
反応容器と、該反応容器内に水蒸気改質能を有する粒状触媒が充填された改質触媒層を有する改質器において、
該改質触媒層を少なくとも二つに区画する仕切り板を有し、
該仕切り板の熱伝導率が該触媒層の有効熱伝導率より高く、
該仕切り板が、該反応容器の、定格運転時においてより高温の部分からより低温の部分に向かって延在する改質器。 - 前記反応容器の外から該反応容器を加熱する熱源を備える請求項1記載の改質器。
- 前記反応容器の内から該触媒層を加熱する熱源を備える請求項1記載の改質器。
- 水蒸気改質反応を利用して炭化水素系燃料から水素含有ガスを製造する改質器と、該水素含有ガスを用いて発電を行う高温型燃料電池とを有し、
該改質器は、反応容器と、該反応容器内に水蒸気改質能を有する粒状触媒が充填された改質触媒層を有し、
該改質器が該高温型燃料電池からの熱輻射を受ける位置に配された間接内部改質型高温型燃料電池であって、
該改質器が、該改質触媒層を少なくとも二つに区画する仕切り板を有し、
該仕切り板の熱伝導率は該触媒層の有効熱伝導率より高く、
該仕切り板が、該反応容器の、定格運転時においてより高温の部分からより低温の部分に向かって延在する間接内部改質型高温型燃料電池。
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007130486A JP5095264B2 (ja) | 2007-05-16 | 2007-05-16 | 改質器および間接内部改質型高温型燃料電池 |
| EP08752801.4A EP2157048B1 (en) | 2007-05-16 | 2008-05-15 | Reformer and indirect internal reforming-type high-temperature fuel cell |
| US12/600,150 US8338041B2 (en) | 2007-05-16 | 2008-05-15 | Reformer and indirect internal reforming high temperature fuel cell |
| CA002687231A CA2687231A1 (en) | 2007-05-16 | 2008-05-15 | Reformer and indirect internal reforming high temperature fuel cell |
| CN2008800159222A CN101679029B (zh) | 2007-05-16 | 2008-05-15 | 间接内部改性型固体氧化物燃料电池 |
| KR1020097026088A KR101422316B1 (ko) | 2007-05-16 | 2008-05-15 | 개질기 및 간접 내부 개질 형 고온 형 연료전지. |
| PCT/JP2008/058943 WO2008140116A1 (ja) | 2007-05-16 | 2008-05-15 | 改質器および間接内部改質型高温型燃料電池 |
| TW097118108A TWI416790B (zh) | 2007-05-16 | 2008-05-16 | 間接內部重組式高溫型燃料電池 |
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| JP2007130486A JP5095264B2 (ja) | 2007-05-16 | 2007-05-16 | 改質器および間接内部改質型高温型燃料電池 |
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| JP2008285355A true JP2008285355A (ja) | 2008-11-27 |
| JP5095264B2 JP5095264B2 (ja) | 2012-12-12 |
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| JP2007130486A Expired - Fee Related JP5095264B2 (ja) | 2007-05-16 | 2007-05-16 | 改質器および間接内部改質型高温型燃料電池 |
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| US (1) | US8338041B2 (ja) |
| EP (1) | EP2157048B1 (ja) |
| JP (1) | JP5095264B2 (ja) |
| KR (1) | KR101422316B1 (ja) |
| CN (1) | CN101679029B (ja) |
| CA (1) | CA2687231A1 (ja) |
| TW (1) | TWI416790B (ja) |
| WO (1) | WO2008140116A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101228631B1 (ko) | 2010-12-03 | 2013-01-31 | 재단법인 포항산업과학연구원 | 개질 장치 |
| JP2016177882A (ja) * | 2015-03-18 | 2016-10-06 | 富士電機株式会社 | 燃料電池モジュール |
| JP2017016940A (ja) * | 2015-07-03 | 2017-01-19 | 日立造船株式会社 | 燃料電池システム |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112017005355B4 (de) | 2016-10-24 | 2025-10-16 | Precision Combustion, Inc. | Festoxidbrennstoffzelle mit internem Reformer |
| JP7240870B2 (ja) * | 2018-12-20 | 2023-03-16 | 三菱重工業株式会社 | 燃焼バーナ収容装置及びダミーポート閉塞方法 |
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| KR101228631B1 (ko) | 2010-12-03 | 2013-01-31 | 재단법인 포항산업과학연구원 | 개질 장치 |
| JP2016177882A (ja) * | 2015-03-18 | 2016-10-06 | 富士電機株式会社 | 燃料電池モジュール |
| JP2017016940A (ja) * | 2015-07-03 | 2017-01-19 | 日立造船株式会社 | 燃料電池システム |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101679029B (zh) | 2013-06-12 |
| CA2687231A1 (en) | 2008-11-20 |
| JP5095264B2 (ja) | 2012-12-12 |
| EP2157048A4 (en) | 2012-11-07 |
| CN101679029A (zh) | 2010-03-24 |
| WO2008140116A1 (ja) | 2008-11-20 |
| EP2157048A1 (en) | 2010-02-24 |
| TW200919817A (en) | 2009-05-01 |
| TWI416790B (zh) | 2013-11-21 |
| US20100227235A1 (en) | 2010-09-09 |
| KR101422316B1 (ko) | 2014-07-22 |
| KR20100024934A (ko) | 2010-03-08 |
| US8338041B2 (en) | 2012-12-25 |
| EP2157048B1 (en) | 2014-01-08 |
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