JP2019156984A - ガス精製装置 - Google Patents
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- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
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- C10K1/00—Purifying combustible gases containing carbon monoxide
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- B01D2255/1026—Ruthenium
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- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/204—Alkaline earth metals
- B01D2255/2042—Barium
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- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2255/20—Metals or compounds thereof
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- B01D2255/20715—Zirconium
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- B01D2255/20753—Nickel
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- B01D2255/20769—Molybdenum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/304—Hydrogen sulfide
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- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/308—Carbonoxysulfide COS
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- B01J2219/00049—Controlling or regulating processes
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- B01J2219/00054—Controlling or regulating the heat exchange system
- B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
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Abstract
Description
COS+H2O→H2S+CO2 (1)
HCN+H2O→NH3+CO (2)
の最適温度は異なっており、反応(1)の最適温度は240℃〜320℃、反応(2)の最適温度は280℃〜350℃である。
図1は、本開示の実施形態1に係るガス精製装置1を示している。ガス精製装置1は、石炭ガス化複合発電プラントのガス化炉において石炭をガス化して得られる生成ガスを精製するため、より具体的には、生成ガス中のCOS及びHCNを除去するための装置である。ガス精製装置1は、COS及びHCNの両方を加水分解するための触媒が充填された変換器2と、変換器2に流入する前の生成ガスと生成ガスを冷却する冷却流体とが熱交換する上流側熱交換器3と、変換器2に流入する生成ガスの温度を検出するために上流側熱交換器3と変換器2との間に設けられた温度センサ4と、温度センサ4による検出値に基づいて、上流側熱交換器3に流入する冷却流体の流量を調節する流量調節部材である流量調節弁5とを備えている。
図1に示されるように、ガス化炉からの生成ガスはCOS及びHCNを含んでいる。生成ガス中のCOS及びHCNそれぞれの濃度は、ガス化炉に投入される石炭種によっておおよそ決定される。このため、ガス化炉に投入される石炭の標準炭種を使用した場合に想定される生成ガス中のCOS及びHCNそれぞれの濃度を、COS及びHCNそれぞれの濃度の計画値と規定する。この計画値に基づいて各成分の適切な反応率を決定し、各反応率から変換器2の反応温度の設定温度範囲を決定する。
次に、実施形態2に係るガス精製装置について説明する。実施形態2に係るガス精製装置は、実施形態1に対して、変換器に流入する生成ガス中のCOS及びHCNそれぞれの濃度を分析して、その分析結果に基づいて反応温度を制御するようにしたものである。尚、実施形態2において、実施形態1の構成要件と同じものは同じ参照符号を付し、その詳細な説明は省略する。
2 変換器
3 上流側熱交換器
4 温度センサ(反応温度推定部材)
5 流量調節弁(流量調節部材)
6 下流側熱交換器
7 配管
8 分岐管
9 配管
10 生成設備
11 水洗塔
12 硫化水素除去装置
21 分析装置
22 設定温度範囲決定部
Claims (7)
- 硫化カルボニル及びシアン化水素の両方を加水分解するための触媒が充填された変換器と、
前記変換器に流入する前のガスと該ガスを冷却する冷却流体とが熱交換する上流側熱交換器と、
前記変換器内の反応温度を推定するための反応温度推定部材と、
前記反応温度推定部材による推定値に基づいて、前記上流側熱交換器に流入する前記冷却流体の流量を調節して前記反応温度を制御する流量調節部材と
を備えるガス精製装置。 - 前記反応温度推定部材は、前記上流側熱交換器と前記変換器との間に設けられるとともに前記変換器に流入する前記ガスの温度を検出する温度センサである、請求項1に記載のガス精製装置。
- 前記変換器の上流側に設けられるとともに前記ガス中の硫化カルボニルの濃度及びシアン化水素の濃度を分析する分析装置と、
前記分析装置の分析結果に基づいて、前記反応温度の設定温度範囲を決定する設定温度範囲決定部と
をさらに備え、
前記反応温度推定部材による前記推定値が前記設定温度範囲内となるように、前記流量調節部材は、前記上流側熱交換器に流入する前記冷却流体の流量を調節する、請求項1または2に記載のガス精製装置。 - 前記変換器から流出した前記ガスから硫化カルボニルの加水分解によって生成した硫化水素を除去することにより精製ガスを生成する硫化水素除去装置と、
前記変換器から流出した前記ガスと前記硫化水素除去装置から流出した前記精製ガスとが熱交換する下流側熱交換器と
をさらに備え、
前記冷却流体は、前記下流側熱交換器において前記変換器から流出した前記ガスと熱交換した後の前記精製ガスである、請求項1〜3のいずれか一項に記載のガス精製装置。 - 前記変換器に流入する前の前記ガスよりも低温のスチームの供給源をさらに備え、
前記冷却流体は、前記供給源から供給される前記スチームである、請求項1〜3のいずれか一項に記載のガス精製装置。 - 前記供給源は蒸気タービンである、請求項5に記載のガス精製装置。
- 前記変換器に流入する前のガスは、石炭をガス化して得られる生成ガスである、請求項1〜6のいずれか一項に記載のガス精製装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018046161A JP7016734B2 (ja) | 2018-03-14 | 2018-03-14 | ガス精製装置 |
PCT/JP2019/010239 WO2019177012A1 (ja) | 2018-03-14 | 2019-03-13 | ガス精製装置 |
EP19768335.2A EP3750975A4 (en) | 2018-03-14 | 2019-03-13 | GAS PURIFIER |
US16/979,335 US11760950B2 (en) | 2018-03-14 | 2019-03-13 | Gas purification device |
CN201980009265.9A CN111630139B (zh) | 2018-03-14 | 2019-03-13 | 气体精制装置 |
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JP2018046161A JP7016734B2 (ja) | 2018-03-14 | 2018-03-14 | ガス精製装置 |
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JP2019156984A true JP2019156984A (ja) | 2019-09-19 |
JP2019156984A5 JP2019156984A5 (ja) | 2020-11-12 |
JP7016734B2 JP7016734B2 (ja) | 2022-02-07 |
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US (1) | US11760950B2 (ja) |
EP (1) | EP3750975A4 (ja) |
JP (1) | JP7016734B2 (ja) |
CN (1) | CN111630139B (ja) |
WO (1) | WO2019177012A1 (ja) |
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CN110903865A (zh) * | 2019-12-09 | 2020-03-24 | 徐州东兴能源有限公司 | 一种用于焦化炉尾气净化系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1088154A (ja) * | 1996-09-20 | 1998-04-07 | Mitsubishi Heavy Ind Ltd | ガス化複合発電設備 |
JPH1180760A (ja) * | 1997-08-29 | 1999-03-26 | Mitsubishi Heavy Ind Ltd | ガス精製装置 |
JPH11241076A (ja) * | 1998-02-26 | 1999-09-07 | Hitachi Ltd | ガス精製方法 |
JP2011168628A (ja) * | 2010-02-16 | 2011-09-01 | Hitachi Ltd | ガス精製方法及びガス精製設備 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3878289A (en) | 1972-08-24 | 1975-04-15 | Parsons Co Ralph M | Process for the removal of hydrogen cyanide from gas streams |
NL185225C (nl) | 1988-01-13 | 1992-03-16 | Comprimo Bv | Werkwijze voor het omzetten en verwijderen van zwavelverbindingen uit een co-bevattend gas. |
CN101050389A (zh) | 2007-05-11 | 2007-10-10 | 湖北省化学研究院 | 煤制燃气中hcn与cos的净化方法 |
JP5955026B2 (ja) | 2012-02-24 | 2016-07-20 | 三菱重工業株式会社 | 硫化カルボニルおよびシアン化水素の加水分解用触媒ならびに酸化チタン系組成物の使用 |
US9102612B2 (en) | 2012-06-25 | 2015-08-11 | Lyondellbasell Acetyls, Llc | Process for the production of acetic acid |
CN207016739U (zh) | 2017-07-27 | 2018-02-16 | 山东恒伟化工科技有限公司 | 一种防止焦炉气加氢温度过高的装置 |
-
2018
- 2018-03-14 JP JP2018046161A patent/JP7016734B2/ja active Active
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2019
- 2019-03-13 CN CN201980009265.9A patent/CN111630139B/zh active Active
- 2019-03-13 EP EP19768335.2A patent/EP3750975A4/en active Pending
- 2019-03-13 US US16/979,335 patent/US11760950B2/en active Active
- 2019-03-13 WO PCT/JP2019/010239 patent/WO2019177012A1/ja unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1088154A (ja) * | 1996-09-20 | 1998-04-07 | Mitsubishi Heavy Ind Ltd | ガス化複合発電設備 |
JPH1180760A (ja) * | 1997-08-29 | 1999-03-26 | Mitsubishi Heavy Ind Ltd | ガス精製装置 |
JPH11241076A (ja) * | 1998-02-26 | 1999-09-07 | Hitachi Ltd | ガス精製方法 |
JP2011168628A (ja) * | 2010-02-16 | 2011-09-01 | Hitachi Ltd | ガス精製方法及びガス精製設備 |
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US11760950B2 (en) | 2023-09-19 |
EP3750975A4 (en) | 2021-04-21 |
WO2019177012A1 (ja) | 2019-09-19 |
CN111630139A (zh) | 2020-09-04 |
JP7016734B2 (ja) | 2022-02-07 |
CN111630139B (zh) | 2021-06-22 |
US20210002569A1 (en) | 2021-01-07 |
EP3750975A1 (en) | 2020-12-16 |
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