JP6934437B2 - ガス精製装置 - Google Patents
ガス精製装置 Download PDFInfo
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- JP6934437B2 JP6934437B2 JP2018046169A JP2018046169A JP6934437B2 JP 6934437 B2 JP6934437 B2 JP 6934437B2 JP 2018046169 A JP2018046169 A JP 2018046169A JP 2018046169 A JP2018046169 A JP 2018046169A JP 6934437 B2 JP6934437 B2 JP 6934437B2
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- B01D53/54—Nitrogen compounds
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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
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- C10K1/00—Purifying combustible gases containing carbon monoxide
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- C10K1/006—Hydrogen cyanide
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- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
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- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
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- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/34—Purifying combustible gases containing carbon monoxide by catalytic conversion of impurities to more readily removable materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
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- B01D2252/20—Organic absorbents
- B01D2252/204—Amines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2256/16—Hydrogen
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2257/304—Hydrogen sulfide
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
- C10J2300/1618—Modification of synthesis gas composition, e.g. to meet some criteria
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Description
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100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の装置である。より具体的には、ガス精製装置1は、生成ガス中に含まれる硫化カルボニル(COS)及びシアン化水素(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においてCOS及びHCNが加水分解されることによって生成したH2S及びNH3を含む第1ガスから、H2S及びNH3を除去するための装置である。
図1に示されるように、ガス化炉100からの生成ガスは、熱交換器102において精製ガスと熱交換することによって冷却されて変換器2に流入する。変換器2では、生成ガス中のCOS及びHCNが触媒によって加水分解されて、H2S及びNH3を含む第1ガスが変換器2から流出する。変換器2から流出した第1ガスは、熱交換器103において精製ガスと熱交換することによって冷却されて水洗塔3に流入する。
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、燃焼装置7における第2オフガスの処理形態を変更したものである。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。
次に、実施形態3に係るガス精製装置について説明する。実施形態3に係るガス精製装置は、実施形態1及び2のそれぞれに対して、排ガスを脱硝するための脱硝部を追加したものである。以下では、実施形態1の構成に脱硝部を追加した構成で実施形態3を説明するが、実施形態2の構成に脱硝部を追加することによって実施形態3を構成してもよい。尚、実施形態3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 水洗塔(アンモニア除去部)
4 ストリッパー(第1オフガス回収部)
5 硫化水素・アンモニア吸収塔(硫化水素・アンモニア除去部)
6 吸収再生塔(第2オフガス回収部)
7 燃焼装置(燃焼部)
7a 第1燃焼室
7b 第2燃焼室
7c 第3燃焼室
8 バーナ
9 排熱ボイラー
11 排水処理装置
12 排煙脱硫装置
13 煙突
14 配管
15 配管
20 脱硝装置(脱硝部)
100 ガス化炉
101 ガスタービン
102 熱交換器
103 熱交換器
Claims (6)
- アンモニア及び硫化水素を含む第1ガスを精製するガス精製装置であって、
前記第1ガスに含まれるアンモニアの一部を前記第1ガスから除去するアンモニア除去部と、
前記アンモニア除去部で除去されたアンモニアを含む第1オフガスを回収する第1オフガス回収部と、
前記アンモニア除去部でアンモニアの一部が除去された第2ガスから硫化水素及びアンモニアを除去する硫化水素・アンモニア除去部と、
前記硫化水素・アンモニア除去部で除去された硫化水素及びアンモニアを含む第2オフガスを回収する第2オフガス回収部と、
前記第1オフガス及び前記第2オフガスを燃焼する燃焼部と
を備え、
前記燃焼部は、
還元性雰囲気にて燃焼が行われる第1燃焼室と、
前記第1燃焼室の下流側で還元性雰囲気にて燃焼が行われる第2燃焼室と、
前記第2燃焼室の下流側で酸化性雰囲気にて燃焼が行われる第3燃焼室と
を含み、
前記第1オフガスは前記第1燃焼室に流入するとともに前記第2オフガスは前記第3燃焼室に流入するように構成されているガス精製装置。 - 前記第2ガスは2ppm以上のアンモニアを含む、請求項1に記載のガス精製装置。
- 前記第1ガスからアンモニアが除去される除去率は98%以下である、請求項1または2に記載のガス精製装置。
- 前記第2オフガスの一部が前記第2燃焼室にも流入するように構成されている、請求項1〜3のいずれか一項に記載のガス精製装置。
- 前記第3燃焼室から流出する排ガスを脱硝するための脱硝部をさらに備える、請求項1〜4のいずれか一項に記載のガス精製装置。
- 石炭をガス化して得られる生成ガスに含まれるシアン化水素及び硫化カルボニルを加水分解することによって前記第1ガスを生成する変換器をさらに備える、請求項1〜5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 |
---|---|---|---|
JP2018046169A JP6934437B2 (ja) | 2018-03-14 | 2018-03-14 | ガス精製装置 |
EP19767873.3A EP3744817A4 (en) | 2018-03-14 | 2019-03-05 | GAS PURIFIER |
US16/979,100 US11441087B2 (en) | 2018-03-14 | 2019-03-05 | Gas purification device |
CN201980009264.4A CN111655825B (zh) | 2018-03-14 | 2019-03-05 | 气体精制装置 |
PCT/JP2019/008569 WO2019176642A1 (ja) | 2018-03-14 | 2019-03-05 | ガス精製装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018046169A JP6934437B2 (ja) | 2018-03-14 | 2018-03-14 | ガス精製装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019156985A JP2019156985A (ja) | 2019-09-19 |
JP6934437B2 true JP6934437B2 (ja) | 2021-09-15 |
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JP2018046169A Active JP6934437B2 (ja) | 2018-03-14 | 2018-03-14 | ガス精製装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11441087B2 (ja) |
EP (1) | EP3744817A4 (ja) |
JP (1) | JP6934437B2 (ja) |
CN (1) | CN111655825B (ja) |
WO (1) | WO2019176642A1 (ja) |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3929615A (en) * | 1973-06-01 | 1975-12-30 | American Gas Ass | Production of hydrocarbon gases from oil shale |
JPH10185159A (ja) * | 1996-12-24 | 1998-07-14 | Tokyo Electric Power Co Inc:The | アンモニアの分解と硫化水素の完全燃焼を同時に行う燃焼方法と燃焼装置 |
JP4475697B2 (ja) * | 1999-04-12 | 2010-06-09 | 三菱重工業株式会社 | ガス精製方法 |
JP3924150B2 (ja) * | 2001-10-26 | 2007-06-06 | 三菱重工業株式会社 | ガス燃焼処理方法およびその装置 |
JP2004036983A (ja) | 2002-07-02 | 2004-02-05 | Mitsubishi Heavy Ind Ltd | アンモニア含有ガス処理方法及びその装置 |
JP4427234B2 (ja) * | 2002-08-06 | 2010-03-03 | 三菱重工業株式会社 | 湿式ガス精製方法およびシステム |
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JP6917266B2 (ja) * | 2017-10-04 | 2021-08-11 | 三菱重工エンジニアリング株式会社 | ガス燃焼処理装置及び燃焼処理方法、ガス燃焼処理装置を備えたガス精製システム |
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US11441087B2 (en) | 2022-09-13 |
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