WO2014169307A1 - Katalysatormodul mit katalysatorelementen - Google Patents
Katalysatormodul mit katalysatorelementen Download PDFInfo
- Publication number
- WO2014169307A1 WO2014169307A1 PCT/AT2014/000077 AT2014000077W WO2014169307A1 WO 2014169307 A1 WO2014169307 A1 WO 2014169307A1 AT 2014000077 W AT2014000077 W AT 2014000077W WO 2014169307 A1 WO2014169307 A1 WO 2014169307A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- catalyst
- module
- elements
- flue gas
- catalyst module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9431—Processes characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional [3D] monoliths
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
- F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
- F01N3/2066—Selective catalytic reduction [SCR]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/915—Catalyst supported on particulate filters
- B01D2255/9155—Wall flow filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/92—Dimensions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/14—Exhaust treating devices having provisions not otherwise provided for for modifying or adapting flow area or back-pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N2340/00—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the exhaust apparatus; Spatial arrangements of exhaust apparatuses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N2470/00—Structure or shape of exhaust gas passages, pipes or tubes
- F01N2470/14—Plurality of outlet tubes, e.g. in parallel or with different length
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N2470/00—Structure or shape of exhaust gas passages, pipes or tubes
- F01N2470/16—Plurality of inlet tubes, e.g. discharging into different chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N2470/00—Structure or shape of exhaust gas passages, pipes or tubes
- F01N2470/18—Structure or shape of exhaust gas passages, pipes or tubes the axis of inlet or outlet tubes being other than the longitudinal axis of apparatus
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Definitions
- the invention relates to a catalyst module with internals of catalyst elements.
- SCR catalysts represent the state of the art for the de-icing of flue gases. This makes a significant contribution to the reduction of ground-level ozone, acid rain and the greenhouse effect. This technology is used in thermal power plants and waste incineration plants as well as in internal combustion engines and many industrial sectors.
- catalysts are also used, for example, for the degradation of dioxins and furans, which has become particularly prevalent in waste incineration plants as a technical standard.
- Catalyst elements are offered, for example, in the form of hollow extruded honeycomb bodies or in the form of carrier materials whose surface is provided with a catalytic layer and which are called plate catalysts. Further variants are, for example, catalysts in pellet form, zeolite catalysts in which the active layer is applied to a ceramic support by means of a washcoat process, and catalysts designed as wave-shaped plates.
- the individual catalyst elements are packed in parallelepipedic catalyst modules (for example steel modules), which are referred to as catalyst layer in the composite. Seals are formed between the individual catalyst modules and between the catalyst modules and the wall of the reactor housing accommodating the modules provided to forcibly guide the flue gas stream through the cata ⁇ torieri.
- parallelepipedic catalyst modules for example steel modules
- a key performance parameter represents the einher- continuous pressure loss by the installation of the catalyst elements in the catalyst module.
- the aim is to keep this unwanted ⁇ desired pressure drop as low as possible.
- the pressure loss is influenced inter alia by the choice of the geometry of the catalyst elements.
- the choice of geometry is subject to production-related and process-related limits.
- the size of the SCR reactor also directly affects the pressure loss. There are limits to the freedom of design: on the one hand by on-site restrictions, in particular with later retrofitted SCR reactors, and on the other hand by economic considerations.
- the object of the invention is to provide catalyst modules with the greatest possible catalytically active surface area for a given limited reactor cross-section while at the same time minimizing the pressure loss caused by the catalyst elements.
- This object is achieved in that the inflow surface of the individual catalyst elements is greater than the flow inlet surface of the Kataly- satormoduls, wherein the module inlet surface of the main flow direction facing surface of the module side is defined, and wherein the catalyst elements are positioned in the catalyst module such that they are of the Direction of the inlet-side and / or the outlet-side flow direction are flowing through the flue gas deviating.
- the catalyst elements are preferably provided, which are flowed through in parallel to the off ⁇ direction of the incident side and / or the exit-side flow direction of the flue gas.
- At least one flue gas channel is arranged on the inlet side of the catalyst module, which leads the flue gas into the catalyst module, the module side facing the main flow direction being defined as the inlet side of the catalyst module.
- At least one flue gas duct is arranged on the outlet side of the catalyst module, which leads the flue gas out of the catalyst module, wherein the module side remote from the main flow direction is defined as the outlet side of the catalyst module.
- the per se conventional structure of a catalyst module 1 is determined by the fact that the flue gas stream S flows within the catalyst module 1 without deflecting the flow direction from the inlet side 1 'of the catalyst module 1 through the channels 3, 4 of the catalyst elements 2 to the outlet side 1 "of the catalyst module 1.
- the catalyst elements 2 deviating from the previous practice with respect to the inlet side 1 'and / or the outlet side 1 "or the flow direction is repositioned in the catalyst module 1.
- the flow through the catalyst elements 2 thus takes place in a respect to the the inlet-side and / or the outlet-side flow direction deviating direction, for example offset by 90 °.
- the flue gas is passed from the inlet side 1 'of the catalyst module 1 via a plurality of openings and a plurality of channels 3 to the catalyst elements 2.
- the catalyst elements 2 are arranged so that they are aligned with respect to the main flow direction S of the flue gas at the module inlet side 1 'offset by 90 °.
- the flue gas opens again into a channel 4, via which the flue gas is led to the outlet side 1 "of the catalyst module 1.
- the channels 3, 4 are open either to the inlet side 1 'or to the outlet side 1 "of the catalyst module 1, so that the flue gas stream S is forcibly passed through the catalyst elements 2.
- the channels 3, 4 can optionally be a constant one, as in the example shown
- the channels 3, 4 can also be optimized in terms of flow conditions by means of flow-improving internals.
- the inlet side 1 'of the catalyst module 1 and the entry into the catalyst elements for example, statically relevant struts, load attachment points, walk-on gratings or the like, which can lead to a corresponding distance between the inlet side 1 'of the catalyst module 1 and the entry into the catalyst elements 2.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14723668.1A EP2986358A1 (de) | 2013-04-15 | 2014-04-14 | Katalysatormodul mit katalysatorelementen |
| KR1020157032669A KR20160057353A (ko) | 2013-04-15 | 2014-04-14 | 촉매 요소들을 구비한 촉매 모듈 |
| CN201480033699.XA CN105339073A (zh) | 2013-04-15 | 2014-04-14 | 具有催化器元件的催化器模块 |
| US14/784,762 US20160061082A1 (en) | 2013-04-15 | 2014-04-14 | Catalyst module with catalyst elements |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA306/2013A AT514228B1 (de) | 2013-04-15 | 2013-04-15 | Katalysatormodul |
| ATA306/2013 | 2013-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014169307A1 true WO2014169307A1 (de) | 2014-10-23 |
Family
ID=50721505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/AT2014/000077 Ceased WO2014169307A1 (de) | 2013-04-15 | 2014-04-14 | Katalysatormodul mit katalysatorelementen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20160061082A1 (de) |
| EP (1) | EP2986358A1 (de) |
| KR (1) | KR20160057353A (de) |
| CN (1) | CN105339073A (de) |
| AT (1) | AT514228B1 (de) |
| WO (1) | WO2014169307A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257375A (zh) * | 2015-10-08 | 2016-01-20 | 南京依柯卡特汽车催化器有限公司 | 一种基于多层壁流式的催化器 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110339714A (zh) * | 2019-08-26 | 2019-10-18 | 高化学(江苏)化工新材料有限责任公司 | 一种烟气脱硝催化反应器 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0676535A1 (de) * | 1994-04-11 | 1995-10-11 | Scambia Industrial Developments Aktiengesellschaft | Katalysator für die katalytische Behandlung von Abgas |
| DE20006032U1 (de) * | 2000-03-31 | 2000-06-29 | Bayerische Motoren Werke AG, 80809 München | Abgasreinigungseinrichtung |
| US20120222767A1 (en) * | 2011-03-04 | 2012-09-06 | Megan Wikaryasz | Exhaust Aftertreatment Device With Integrated Shell And Baffle |
| US20120285144A1 (en) * | 2011-05-13 | 2012-11-15 | GM Global Technology Operations LLC | Exhaust after treatment system and method for treating exhaust |
| EP2527610A1 (de) * | 2011-05-27 | 2012-11-28 | Caterpillar Motoren GmbH & Co. KG | SCR-Katalysator für einen zweistufigen Turbomotor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5470364A (en) * | 1992-01-07 | 1995-11-28 | Pall Corporation | Regenerable diesel exhaust filter |
| WO1996005906A1 (en) * | 1994-08-18 | 1996-02-29 | Precision Combustion, Inc. | Catalytic method |
| DE59607495D1 (de) * | 1995-11-23 | 2001-09-20 | Scambia Ind Developments Ag Sc | Verfahren zur Herstellung eines Katalysatorkörpers für die katalytische Behandlung von Gas, Katalysatorkörper und Katalysator |
| DE19724289A1 (de) * | 1997-06-09 | 1998-12-10 | Emitec Emissionstechnologie | Katalysator zur Reinigung eines Abgasstromes, insbesondere von einem Kleinmotor |
| US6821490B2 (en) * | 2001-02-26 | 2004-11-23 | Abb Lummus Global Inc. | Parallel flow gas phase reactor and method for reducing the nitrogen oxide content of a gas |
| WO2003072915A1 (en) * | 2002-02-28 | 2003-09-04 | Csir | Treatment of exhaust gases from an internal combustion engine |
-
2013
- 2013-04-15 AT ATA306/2013A patent/AT514228B1/de active
-
2014
- 2014-04-14 CN CN201480033699.XA patent/CN105339073A/zh active Pending
- 2014-04-14 WO PCT/AT2014/000077 patent/WO2014169307A1/de not_active Ceased
- 2014-04-14 KR KR1020157032669A patent/KR20160057353A/ko not_active Withdrawn
- 2014-04-14 US US14/784,762 patent/US20160061082A1/en not_active Abandoned
- 2014-04-14 EP EP14723668.1A patent/EP2986358A1/de not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0676535A1 (de) * | 1994-04-11 | 1995-10-11 | Scambia Industrial Developments Aktiengesellschaft | Katalysator für die katalytische Behandlung von Abgas |
| DE20006032U1 (de) * | 2000-03-31 | 2000-06-29 | Bayerische Motoren Werke AG, 80809 München | Abgasreinigungseinrichtung |
| US20120222767A1 (en) * | 2011-03-04 | 2012-09-06 | Megan Wikaryasz | Exhaust Aftertreatment Device With Integrated Shell And Baffle |
| US20120285144A1 (en) * | 2011-05-13 | 2012-11-15 | GM Global Technology Operations LLC | Exhaust after treatment system and method for treating exhaust |
| EP2527610A1 (de) * | 2011-05-27 | 2012-11-28 | Caterpillar Motoren GmbH & Co. KG | SCR-Katalysator für einen zweistufigen Turbomotor |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP2986358A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257375A (zh) * | 2015-10-08 | 2016-01-20 | 南京依柯卡特汽车催化器有限公司 | 一种基于多层壁流式的催化器 |
Also Published As
| Publication number | Publication date |
|---|---|
| AT514228A1 (de) | 2014-11-15 |
| EP2986358A1 (de) | 2016-02-24 |
| US20160061082A1 (en) | 2016-03-03 |
| CN105339073A (zh) | 2016-02-17 |
| KR20160057353A (ko) | 2016-05-23 |
| AT514228B1 (de) | 2015-02-15 |
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