JP6361909B2 - Co2回収装置及びco2回収方法 - Google Patents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1412—Controlling the absorption process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/12—Auxiliary equipment particularly adapted for use with liquid-separating apparatus, e.g. control circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0005—Degasification of liquids with one or more auxiliary substances
- B01D19/001—Degasification of liquids with one or more auxiliary substances by bubbling steam through the liquid
- B01D19/0015—Degasification of liquids with one or more auxiliary substances by bubbling steam through the liquid in contact columns containing plates, grids or other filling elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/42—Regulation; Control
- B01D3/4211—Regulation; Control of columns
- B01D3/4283—Bottom stream
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1425—Regeneration of liquid absorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1475—Removing carbon dioxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/50—Carbon dioxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/20—Organic absorbents
- B01D2252/204—Amines
- B01D2252/20478—Alkanolamines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
- Carbon And Carbon Compounds (AREA)
Description
R−NH2+H2O+CO2→R−NH3HCO3
11A、11B、11C 排ガス
12 冷却塔
121 冷却部
122 熱交換器
123 循環ポンプ
13 CO2吸収液
13S 蒸気
14 CO2吸収塔
14a 塔頂部
14b 塔底部
141 CO2吸収部
142 水洗部
144 液貯留部
145 チムニートレイ
146 ミストエリミネータ
15 CO2吸収液再生塔
15a 塔頂部
151 CO2吸収液供給部
152 鏡面部
153 ブーツ部
153a 鏡面部
153b 底部
153c 上部
154 チムニートレイ
155 スカート部
156、157、158 送液管
159、160 分散器
159a 切欠き部
160a 曲面
160b 開口部
16 煙道
21 熱交換器
22 循環ポンプ
23 調整弁
24 熱交換器
31 再生加熱器
32 調整弁
33 循環ポンプ
41,44 CO2ガス
42 コンデンサ
43 分離ドラム
45 凝縮水循環ポンプ
50 リッチ溶液供給管
51 リッチソルベントポンプ
52 リッチ・リーン溶液熱交換器
53 リーン溶液供給管
54 リーン溶液ポンプ
55 冷却部
101 流量計
102 制御装置
103 CO2濃度計
L1,L2,L4 循環ライン
L3 抜き出しライン
L5 ガス排出ライン
L6 凝縮水ライン
S 飽和水蒸気
W1 冷却水
W2,W3 洗浄水
W4 水蒸気凝縮水
W5 凝縮水
Claims (8)
- 被処理気体とCO2吸収液とを接触させて前記被処理気体に含まれるCO2を前記CO2吸収液に吸収させるCO2吸収塔と、
CO2を吸収した前記CO2吸収液を加熱して当該CO2吸収液からCO2を放出させて前記CO2吸収液を再生するCO2吸収液再生塔と、を具備し、
前記CO2吸収液再生塔は、前記CO2吸収液が一時的に貯留される第1貯留部と、前記第1貯留部の底部から下方に向けて設けられ、前記第1貯留部より相対的に容量が小さく、内径d2が前記第1貯留部の内径d1に対して相対的に小さい第2貯留部と、前記第2貯留部に配設され、前記第1貯留部と前記第2貯留部との間で変化する前記CO2吸収液の液面レベルを測定する液面測定装置と、前記液面測定装置の測定結果に基づいて第1貯留部と前記第2貯留部との間で前記CO2吸収液の液面レベルを制御する制御装置と、を有することを特徴とする、CO2回収装置。 - 前記第2貯留部の内径d2と前記第1貯留部の内径d1との比率(d2:d1)が、1:10〜1:2の範囲内である、請求項1に記載のCO2回収装置。
- 前記第2貯留部は、前記CO2吸収液再生塔の底部に設けられた円筒状部材である、請求項1又は請求項2に記載のCO2回収装置。
- 前記第2貯留部内から前記CO2吸収塔に送液する前記CO2吸収液の液流速が0.3m/s以下である、請求項1から請求項3のいずれか1項に記載のCO2回収装置。
- 被処理気体とCO2吸収液とを接触させて前記被処理気体に含まれるCO2を前記CO2吸収液に吸収させるCO2吸収工程と、
CO2を吸収した前記CO2吸収液をCO2吸収液再生塔で加熱して当該CO2吸収液からCO2を放出させて前記CO2吸収液を再生するCO2吸収液再生工程と、を含み、
前記CO2吸収液再生工程において、CO2吸収液再生塔の前記CO2吸収液が一時的に貯留される第1貯留部と、前記第1貯留部より相対的に容量が小さく、内径d2が前記第1貯留部の内径d1に対して相対的に小さい第2貯留部との間で変化する前記CO2吸収液の液面レベルを測定し、測定した液面レベルに基づいて第1貯留部と前記第2貯留部との間で前記CO2吸収液の液面レベルを制御することを特徴とする、CO2回収方法。 - 前記第2貯留部の内径d2と前記第1貯留部の内径d1との比率(d2:d1)が、1:10〜1:2の範囲内である、請求項5に記載のCO2回収方法。
- 前記第2貯留部は、前記CO2吸収液再生塔の底部に設けられた円筒状部材である、請求項5又は請求項6に記載のCO2回収方法。
- 前記第2貯留部内から前記CO2吸収塔に送液する前記CO2吸収液の液流速が0.3m/s以下である、請求項5から請求項7のいずれか1項に記載のCO2回収方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014063913A JP6361909B2 (ja) | 2014-03-26 | 2014-03-26 | Co2回収装置及びco2回収方法 |
CA2943180A CA2943180C (en) | 2014-03-26 | 2015-03-20 | Co2 recovery device and co2 recovery method |
US15/128,056 US9993767B2 (en) | 2014-03-26 | 2015-03-20 | CO2 recovery device and CO2 recovery method |
PCT/JP2015/058498 WO2015146834A1 (ja) | 2014-03-26 | 2015-03-20 | Co2回収装置及びco2回収方法 |
EP15769414.2A EP3108954B1 (en) | 2014-03-26 | 2015-03-20 | Co2 recovery device and co2 recovery method |
AU2015235196A AU2015235196B2 (en) | 2014-03-26 | 2015-03-20 | CO2 recovery device and CO2 recovery method |
US15/978,755 US10213727B2 (en) | 2014-03-26 | 2018-05-14 | CO2 recovery device and CO2 recovery method |
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JP2014063913A JP6361909B2 (ja) | 2014-03-26 | 2014-03-26 | Co2回収装置及びco2回収方法 |
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JP2015182065A JP2015182065A (ja) | 2015-10-22 |
JP6361909B2 true JP6361909B2 (ja) | 2018-07-25 |
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US (2) | US9993767B2 (ja) |
EP (1) | EP3108954B1 (ja) |
JP (1) | JP6361909B2 (ja) |
AU (1) | AU2015235196B2 (ja) |
CA (1) | CA2943180C (ja) |
WO (1) | WO2015146834A1 (ja) |
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JP6941063B2 (ja) * | 2018-01-10 | 2021-09-29 | 株式会社東芝 | 二酸化炭素回収システムおよびその運転方法 |
JP7394585B2 (ja) * | 2019-10-30 | 2023-12-08 | 三菱重工業株式会社 | 二酸化炭素回収システム |
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US382322A (en) | 1888-05-08 | paesons | ||
DE2043190C3 (de) | 1969-09-09 | 1979-02-15 | Benson, Field & Epes, Berwyn, Pa. (V.St.A.) | Verfahren zur Abtrennung von sauren Gasen aus heißen wasserdampfhaltigen Gasgemischen |
JPS561923B1 (ja) * | 1969-09-09 | 1981-01-16 | ||
JPS6372302A (ja) * | 1986-09-12 | 1988-04-02 | Mitsubishi Oil Co Ltd | 蒸留塔又は水蒸気ストリツピング塔の突沸防止方法及びその装置 |
JPH04126514A (ja) * | 1990-09-19 | 1992-04-27 | Hitachi Ltd | 気体の分離濃縮方法 |
JP3212524B2 (ja) | 1996-12-16 | 2001-09-25 | 関西電力株式会社 | 排煙脱炭酸設備の制御方法 |
JP3217742B2 (ja) * | 1997-11-11 | 2001-10-15 | 関西電力株式会社 | 二酸化炭素吸収液の制御方法及びその装置 |
JP2010201379A (ja) * | 2009-03-04 | 2010-09-16 | Toshiba Corp | 二酸化炭素回収システム |
JP5351816B2 (ja) * | 2010-04-08 | 2013-11-27 | 三菱重工業株式会社 | 排ガス中の二酸化炭素回収装置及び方法 |
JP2011240321A (ja) * | 2010-04-20 | 2011-12-01 | Babcock Hitachi Kk | 二酸化炭素除去装置を有する排ガス処理システム |
JP5707894B2 (ja) | 2010-11-22 | 2015-04-30 | 株式会社Ihi | 二酸化炭素の回収方法及び回収装置 |
NO335542B1 (no) | 2012-12-20 | 2014-12-29 | Aker Engineering & Technology | Forbedringer ved absorber for CO2 fangst |
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- 2015-03-20 AU AU2015235196A patent/AU2015235196B2/en active Active
- 2015-03-20 EP EP15769414.2A patent/EP3108954B1/en active Active
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Publication number | Publication date |
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JP2015182065A (ja) | 2015-10-22 |
EP3108954A1 (en) | 2016-12-28 |
US20170100693A1 (en) | 2017-04-13 |
US20180257021A1 (en) | 2018-09-13 |
AU2015235196A1 (en) | 2016-10-06 |
US9993767B2 (en) | 2018-06-12 |
AU2015235196B2 (en) | 2017-09-21 |
US10213727B2 (en) | 2019-02-26 |
WO2015146834A1 (ja) | 2015-10-01 |
AU2015235196A8 (en) | 2016-10-13 |
CA2943180C (en) | 2018-10-23 |
CA2943180A1 (en) | 2015-10-01 |
EP3108954B1 (en) | 2018-05-16 |
EP3108954A4 (en) | 2017-03-01 |
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