JP2012511421A - 化学反応器の操作 - Google Patents
化学反応器の操作 Download PDFInfo
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Abstract
【選択図】図1
Description
反応器が吸熱及び発熱反応の起こる第1及び第2のフローチャネルを有し、流体の流れの変更に当たり第1及び第2のフローチャネルへの流れの交換が必要な場合、反応器は、実質的に同一寸法を有する第1のフローチャネル及び第2のフローチャネルを有するのが良い。これにより、第1の形態でチャネルのために提供される触媒インサートを第2の形態で同様に良好に収容することができるようになり、その結果、この方法は、触媒インサートを第1のフローチャネルと第2のフローチャネルとの間で交換するステップを更に有するのが良い。(しかしながら、チャネル中の触媒が同一である場合、触媒を交換する必要はない。)また、同一寸法のチャネルを設けることにより、同一の反応容積及び熱伝達条件が各形態中に存在し、その結果、反応器は、採用されているのがどの形態であるということとは無関係に実質的に同一の仕方で挙動するようになる。かくして、この関係で、流れの変更前後において異なる化学反応がフローチャネルの各組中で実施される。ただし、反応器は、全体として、同一の化学反応プロセスを実施し続ける。
Claims (14)
- 1つ又は2つ以上の化学反応器の操作方法であって、各化学反応器が化学反応プロセス用の第1のフローチャネルを熱伝達のための第2のフローチャネルに近接して備え、各化学反応器が前記第1のフローチャネル及び前記第2のフローチャネルを通るそれぞれの流体の流れを生じさせる流体結合部を備える、方法において、この方法は、前記第1のフローチャネル若しくは前記第2のフローチャネル又はこれら両方のフローチャネルを通る流体の流れを変更して前記化学反応器内における温度分布を変化させる一方で、前記化学反応器内で起こる前記化学反応プロセスが実質的に同一のままであるようにするステップを有する、操作方法。
- 前記方法は、前記第1のフローチャネル及び前記第2のフローチャネルうちの少なくとも一方を通る流体の流れを遮断するステップと、次に前記流体結合部を変更するステップと、次に前記流体結合部を再び開くステップとを有する、請求項1記載の操作方法。
- 前記化学反応器は、複数個の他の化学反応器を含むプラントの一部をなし、前記方法の前記ステップは、前記プラントの保守若しくは操業停止中又は前記プラントが稼働し続けている間における前記化学反応器の保守若しくは動作停止中に実施される、請求項2記載の操作方法。
- 前記化学反応器への前記流体結合部を変更する前記ステップは、前記化学反応器を入口側及び出口側流体結合部から切り離すステップと、次に前記化学反応器の向きを変えるステップと、次に前記入口側及び前記出口側流体結合部を再び結合して前記化学反応器を通る流れの方向が前記第1のフローチャネルか前記第2のフローチャネルかのいずれか一方又はこれら両方のフローチャネルの中で逆になるようにするステップとを含む、請求項2又は3記載の操作方法。
- 前記流体結合部は、ダクトを含み、前記化学反応器への前記流体結合部を変更する前記ステップは、前記化学反応器を入口側及び出口側の前記ダクトから切り離し、次に前記ダクトを変更するステップと、次に前記ダクトを再び連結して前記化学反応器を通る流れの方向が前記第1のフローチャネルか前記第2のフローチャネルかのいずれか一方又はこれら両方のフローチャネルの中で逆になるようにするステップとを含む、請求項2又は3記載の操作方法。
- 前記流体結合部は、ダクトを含み、前記化学反応器は、バイパスダクト及び遮断弁を備え、前記化学反応器への前記流体結合部を変更する前記ステップは、前記バイパスダクトと連通している前記遮断弁を開閉して前記化学反応器を通る流れ方向を逆にするステップを含む、請求項2又は3記載の操作方法。
- 前記化学反応プロセスは、直列に配置された2つの反応器を用いて実施され、前記流体結合部を変更する前記ステップは、前記2つの反応器の位置を交換するステップを含む、請求項2又は3記載の操作方法。
- 前記流体結合部を変更する前記ステップは、前記第1のチャネル及び前記第2のチャネルへの流体の流れを交換するステップを含む、請求項2〜7のうちいずれか一に記載の操作方法。
- 前記流体結合部を変更する前記ステップは、前記第1のチャネル及び前記第2のチャネル内の触媒の変更と同時に実施される、請求項8記載の操作方法。
- 前記化学反応プロセスは、蒸気メタン改質、部分酸化、オートサーマル改質、及びフィッシャー‐トロプシュ合成の中から選択される、請求項1〜9のうちいずれか一に記載の操作方法。
- 前記化学反応器は、他の化学反応器を含むプラントの一部をなし、前記流れの変更が適用される前記化学反応器は、前記プラントの前記他の化学反応器と並列に接続されるか直列に連結されるかのいずれかである、請求項1〜10のうちいずれか一に記載の方法。
- 請求項1〜11のうちいずれか一に記載の方法を実施する手段と共に1つ又は2つ以上の化学反応器を含む化学プラント。
- 請求項8又は請求項9に記載された方法に用いられる反応器であって、前記反応器は、第1のフローチャネル及び第2のフローチャネルを有し、前記第1のフローチャネル及び第2のフローチャネルは、実質的に同一の寸法を有する、反応器。
- それぞれが第1のフローチャネル及び第2のフローチャネルを備えた第1の反応器及び第2の反応器と、前記第1の反応器からの出力を受け取って前記第2の反応器に入力を提供するよう構成されたダクトと、前記第2の反応器からの出力を受け取って前記第1の反応器に入力を提供するよう構成されたバイパスダクト及び弁とを有する、モジュール。
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GBGB0822544.3A GB0822544D0 (en) | 2008-12-11 | 2008-12-11 | Chemical reactor operation |
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PCT/GB2009/051634 WO2010067097A2 (en) | 2008-12-11 | 2009-12-02 | Chemical reactor operation |
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GB201016926D0 (en) | 2010-10-07 | 2010-11-24 | Compactgtl Plc | Catalytic reactor and catalyst structure |
GB201116708D0 (en) | 2011-09-28 | 2011-11-09 | Compactgtl Plc | Catalytic reactor and catalyst structure |
GB201122193D0 (en) | 2011-12-22 | 2012-02-01 | Compact Gtl Plc | Catalytic reactor and catalyst structure |
US10258957B2 (en) * | 2015-03-26 | 2019-04-16 | Corning Incorporated | Flow reactor for photochemical reactions |
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EP1103518B1 (en) * | 1998-07-08 | 2011-03-02 | Toyota Jidosha Kabushiki Kaisha | Apparatus for reforming of fuel |
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GB0408896D0 (en) * | 2004-04-20 | 2004-05-26 | Accentus Plc | Catalytic reactor |
GB0413400D0 (en) * | 2004-06-16 | 2004-07-21 | Accentus Plc | Catalytic plant and process |
WO2007129109A2 (en) * | 2006-05-08 | 2007-11-15 | Compactgtl Plc | Catalytic reactor comprising first and secondary flow channels arranged alternately |
JP2011514873A (ja) * | 2008-02-14 | 2011-05-12 | コンパクトジーティーエル パブリック リミテッド カンパニー | 触媒反応モジュール |
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WO2010067097A2 (en) | 2010-06-17 |
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BRPI0922753A2 (pt) | 2016-01-05 |
US20110263919A1 (en) | 2011-10-27 |
KR20110110156A (ko) | 2011-10-06 |
CN102245290A (zh) | 2011-11-16 |
CA2744212A1 (en) | 2010-06-17 |
EP2365872A2 (en) | 2011-09-21 |
MX2011005866A (es) | 2011-06-20 |
WO2010067097A3 (en) | 2010-09-10 |
EA201170794A1 (ru) | 2011-12-30 |
AU2009326192A1 (en) | 2010-06-17 |
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