WO2014079654A1 - Apparat zur gaswäsche - Google Patents
Apparat zur gaswäsche Download PDFInfo
- Publication number
- WO2014079654A1 WO2014079654A1 PCT/EP2013/072413 EP2013072413W WO2014079654A1 WO 2014079654 A1 WO2014079654 A1 WO 2014079654A1 EP 2013072413 W EP2013072413 W EP 2013072413W WO 2014079654 A1 WO2014079654 A1 WO 2014079654A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- liquid
- gas
- stage
- cooling stage
- scrubbing
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
-
- 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
-
- 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
-
- 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
- B01D53/185—Liquid distributors
-
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/32—Direct CO2 mitigation
Definitions
- the invention relates to an apparatus for gas scrubbing, in particular for the separation of CO 2 from flue gas by means of an amine scrubbing.
- an after-scrubber downstream of an absorber for separating a gas component from a gas stream in order to deplete a volatile component of the scrubbing liquid transferred from the purified gas stream into the gas stream.
- the afterwash serves for amine recycling.
- the post-scrubber can be arranged as a column section at the head of the absorber.
- the apparatus is often preceded by a flue gas cooler, in which the gas stream to be purified is cooled by exposure to a liquid. When using a suitable liquid, the direct cooling can be combined with a prewash of the gas stream.
- the flue gas cooler is connected upstream as a separate apparatus to the absorber and connected by a pipe to the absorber.
- a fan for conveying the gas stream can be arranged between the flue gas cooler and the absorber or in the flow direction behind the absorber.
- the invention has for its object to provide an apparatus for gas scrubbing, which is characterized by a small footprint and low investment costs.
- the apparatus should also be suitable for amine washing of the gas to be purified.
- the object of the invention and solution of this object is an apparatus for gas scrubbing according to claim 1.
- the apparatus comprises a cooling stage for direct cooling and prewashing of a gas stream entering the apparatus by means of a liquid supplied to the cooling stage, an absorption stage for separating at least one gas component from the gas stream by means of a washing liquid supplied to the absorption stage and a post-scrubber for depleting at least one volatile component Washing liquid from the purified gas stream, wherein the cooling stage, the absorption stage and the after-scrubber are arranged one above the other and connected to a scrubbing tower.
- the apparatus according to the invention requires a small set-up area which is essentially determined by the base area of the cooling stage.
- the piping system for guiding the gas flow can be considerably simplified. It has an advantageous effect on the investment costs as well as the gas-side pressure loss.
- the absorption stage preferably has column internals to increase the exchange area for mass transfer between the gas stream and the scrubbing liquid.
- Column bodies, structured packings and transfer trays are suitable as column internals.
- a separating tray for discharging the washing liquid is provided between the absorption stage and the cooling stage, wherein the separating tray has openings for a passage of the gas stream.
- the separating tray may be formed, for example, as a bell bottom or valve bottom.
- a different liquid can be used than in the absorption stage.
- the cooling stage may in particular be designed as a spraying apparatus which has a plurality of spray nozzles and a liquid sump with an outlet for discharging the liquid.
- the cooling stage has a gas inlet with at least one jet pump, wherein the jet pump, the liquid for the cooling stage as a driving medium can be fed and the steel pump promotes the gas flow.
- the liquid used for the direct cooling of the incoming gas stream produces a pressure drop in the gas inlet of the cooling stage which draws in the gas stream.
- the jet pump can replace a blower to promote the gas flow or support the gas delivery by a blower.
- the jet pump is expediently arranged in an upper section of the cooling stage, wherein the flow direction of a gas / liquid mixture emerging from the jet pump is directed vertically or obliquely downward into the container space of the cooling stage.
- the jet pump can be designed in particular as a venturi scrubber, which by means of
- a fan for conveying the gas stream is arranged at the top of the washing tower.
- the arrangement of the fan at the top of the wash tower makes it possible to flexibly adapt a connection piping for the discharge of the purified gas to the local conditions and in many cases also to simplify. Also, the space requirement of the apparatus can be further reduced.
- the after-scrubber can be designed for a lower liquid throughput than the absorption stage.
- the gas-flow cross-section of the post-scrubber is smaller than the cross-section required for the absorption stage.
- a scrubber comprehensive section of the scrubbing tower and the absorption stage can be directly connected to each other on the gas side. According to a preferred embodiment of the invention, the liquid from the final scrubber without derivation from the wash tower of the absorption stage can be fed directly.
- the apparatus shown in Fig. 1 for gas scrubbing is used for example for the separation of CO 2 from flue gas.
- the apparatus includes a
- Cooling stage 1 for direct cooling and prewashing of a gas stream 2 entering the apparatus by means of a liquid supplied to the cooling stage 1, an absorption stage 4 for separating at least one gas component from the gas stream by means of a washing liquid 5 fed to the absorption stage and a post-scrubber 6 for depleting at least one volatile one Component of the scrubbing liquid from the purified gas stream 7.
- the cooling stage 1, the absorption stage 4 and the post-scrubber 6 are arranged one above the other and connected to a scrubbing tower 8.
- the absorption stage 4 preferably contains column internals to increase the exchange surface for a mass transfer between the gas stream 2 and the washing liquid 5, wherein the column internals of packing, structured packages or exchange trays can exist.
- a separating tray 9 is provided for discharging the washing liquid.
- the separating tray 9 contains openings 10 for a passage of the gas stream and may be designed, for example, as a bell bottom or valve bottom.
- the absorption stage 4 and the cooling stage 1 can be assigned to different fluid circuits.
- the cooling stage 1 and the absorption stage 4 can also be operated with the same washing liquid.
- the after-scrubber 6 is designed for a lower liquid flow rate than the absorption stage 4 and consists of a column section, which has a smaller flow cross-section than the absorption stage 4. Also in the after-scrubber 6 flow internals to improve the mass transfer between the gas and liquid phase can be provided.
- the liquid from the after-scrubber 6 can be fed directly without discharge from the scrubbing tower 8 of the absorption stage 4.
- the cooling stage 1 of the scrubbing tower 8 is formed as a spray apparatus having a plurality of spray nozzles and a liquid sump with an outlet for discharging the liquid.
- the gas to be cleaned flows through the cooling stage 1 in countercurrent to the liquid supplied by the spray nozzles.
- the cooling stage may also contain packages, packing and the like.
- the cooling stage 1 has a gas inlet with at least one jet pump 1 1, wherein the jet pump, the liquid 3 for the cooling stage 1 as a driving medium can be fed.
- the jet pump 1 1 causes a pressure drop in the gas inlet and promotes the gas flow.
- the jet pump 1 1 is arranged at an upper portion of the cooling stage 1, so that the flow direction of a gas / liquid mixture emerging from the jet pump is directed vertically or obliquely downward into the container space of the cooling stage 1.
- the jet pump 1 1 may be formed in particular as a Venturi nozzle. Due to the intensive mixing of gas 2 and liquid 3 causes the Venturi nozzle a good cooling of the gas stream in conjunction with a prewash.
- FIG. 1 Due to the intensive mixing of gas 2 and liquid 3 causes the Venturi nozzle a good cooling of the gas stream in conjunction with a prewash.
- a fan 12 for conveying the gas stream 7 is arranged at the top of the washing tower 8.
- a connection piping for the discharge of the purified gas stream 7 can be flexibly adapted to the local conditions and simplified in many cases.
- the apparatus shown in the figures can be used for gas scrubbing and in particular for amine scrubbing CO 2 -containing gases.
- an amine wash an amine solution is used as the washing liquid.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13783539.3A EP2922613A1 (de) | 2012-11-20 | 2013-10-25 | Apparat zur gaswäsche |
JP2015542199A JP2016502462A (ja) | 2012-11-20 | 2013-10-25 | ガススクラビング装置 |
CN201380060718.3A CN104797321B (zh) | 2012-11-20 | 2013-10-25 | 气体清洗装置 |
US14/646,220 US20150316259A1 (en) | 2012-11-20 | 2013-10-25 | Apparatus for gas scrubbing |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012111185.5 | 2012-11-20 | ||
DE102012111185.5A DE102012111185A1 (de) | 2012-11-20 | 2012-11-20 | Apparat zur Gaswäsche |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014079654A1 true WO2014079654A1 (de) | 2014-05-30 |
Family
ID=49510139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2013/072413 WO2014079654A1 (de) | 2012-11-20 | 2013-10-25 | Apparat zur gaswäsche |
Country Status (7)
Country | Link |
---|---|
US (1) | US20150316259A1 (de) |
EP (1) | EP2922613A1 (de) |
JP (1) | JP2016502462A (de) |
KR (1) | KR20150086352A (de) |
CN (1) | CN104797321B (de) |
DE (1) | DE102012111185A1 (de) |
WO (1) | WO2014079654A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017108843A1 (de) * | 2017-04-25 | 2018-10-25 | Thyssenkrupp Ag | Vorrichtung und Verfahren zur Abgaswäsche |
IT202100005585A1 (it) * | 2021-03-10 | 2022-09-10 | Nuovo Pignone Tecnologie Srl | Sistema di abbattimento di biossido di carbonio a base di ammoniaca con sezioni sovrapposte |
CN114392626A (zh) * | 2022-01-14 | 2022-04-26 | 北京理工大学 | 一种危险废弃物焚烧尾气的低温处理系统 |
Citations (5)
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DE102007043331A1 (de) * | 2007-08-16 | 2009-02-19 | Hitachi Power Europe Gmbh | Gekühlte NaOH-Rauchgaswäsche |
US20100089110A1 (en) * | 2007-05-09 | 2010-04-15 | Powerspan Corp. | Carbon dioxide scrubbing with ammonium carbonate and ammonia vapor control |
DE102009009476A1 (de) * | 2009-02-19 | 2010-08-26 | Linde-Kca-Dresden Gmbh | Verfahren und Vorrichtung zur Reinigung eines kohlendioxidhaltigen Gasstroms |
WO2011009902A1 (de) * | 2009-07-22 | 2011-01-27 | Hitachi Power Europe Gmbh | Rauchgasreinigung mittels mehrstufiger co2-strahlwäsche |
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JPS549647Y2 (de) * | 1974-01-25 | 1979-05-07 | ||
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2012
- 2012-11-20 DE DE102012111185.5A patent/DE102012111185A1/de not_active Ceased
-
2013
- 2013-10-25 EP EP13783539.3A patent/EP2922613A1/de not_active Withdrawn
- 2013-10-25 KR KR1020157016240A patent/KR20150086352A/ko not_active Application Discontinuation
- 2013-10-25 CN CN201380060718.3A patent/CN104797321B/zh active Active
- 2013-10-25 WO PCT/EP2013/072413 patent/WO2014079654A1/de active Application Filing
- 2013-10-25 JP JP2015542199A patent/JP2016502462A/ja active Pending
- 2013-10-25 US US14/646,220 patent/US20150316259A1/en not_active Abandoned
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US4023938A (en) * | 1973-10-17 | 1977-05-17 | Bayer Aktiengesellschaft | Process for dehydrating gas with sulfuric acid |
US20100089110A1 (en) * | 2007-05-09 | 2010-04-15 | Powerspan Corp. | Carbon dioxide scrubbing with ammonium carbonate and ammonia vapor control |
DE102007043331A1 (de) * | 2007-08-16 | 2009-02-19 | Hitachi Power Europe Gmbh | Gekühlte NaOH-Rauchgaswäsche |
DE102009009476A1 (de) * | 2009-02-19 | 2010-08-26 | Linde-Kca-Dresden Gmbh | Verfahren und Vorrichtung zur Reinigung eines kohlendioxidhaltigen Gasstroms |
WO2011009902A1 (de) * | 2009-07-22 | 2011-01-27 | Hitachi Power Europe Gmbh | Rauchgasreinigung mittels mehrstufiger co2-strahlwäsche |
Non-Patent Citations (1)
Title |
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See also references of EP2922613A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN104797321A (zh) | 2015-07-22 |
US20150316259A1 (en) | 2015-11-05 |
CN104797321B (zh) | 2018-02-13 |
EP2922613A1 (de) | 2015-09-30 |
KR20150086352A (ko) | 2015-07-27 |
JP2016502462A (ja) | 2016-01-28 |
DE102012111185A1 (de) | 2014-05-22 |
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