WO2008135175A1 - Abgasreinigungsvorrichtung für eine abgasanlage - Google Patents
Abgasreinigungsvorrichtung für eine abgasanlage Download PDFInfo
- Publication number
- WO2008135175A1 WO2008135175A1 PCT/EP2008/003307 EP2008003307W WO2008135175A1 WO 2008135175 A1 WO2008135175 A1 WO 2008135175A1 EP 2008003307 W EP2008003307 W EP 2008003307W WO 2008135175 A1 WO2008135175 A1 WO 2008135175A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- exhaust gas
- substrate
- purification device
- gas purification
- hollow body
- Prior art date
Links
Classifications
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/0211—Arrangements for mounting filtering elements in housing, e.g. with means for compensating thermal expansion or vibration
-
- 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
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2275/20—Shape of filtering material
- B01D2275/206—Special forms, e.g. adapted to a certain housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
- B01D2279/30—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for treatment of exhaust gases from IC Engines
-
- 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 an exhaust gas purification device for an exhaust system.
- an exhaust gas purification device is to be understood, for example, as a particulate filter, an oxidation catalytic converter or a NO x storage catalytic converter.
- Such an exhaust gas purification device usually contains a gas-permeable substrate through which the exhaust gas flows, whereby the exhaust gas is purified.
- a particulate filter for example, soot particles contained in the exhaust gas are filtered from the exhaust gas as it flows through the substrate.
- the substrate materials used are usually brittle and have a low flexural strength.
- the invention provides an exhaust gas purification device, which is characterized by a simple production even when using brittle substrate materials and in which moreover the substrate heats up quickly during operation in order to achieve the temperature necessary for effective operation or for regeneration of the exhaust gas purification device.
- an exhaust gas purification device for an exhaust system for this purpose, with a housing having an input and an output, and designed as a hollow body gas-permeable substrate which is arranged in the flow path from the input to the output, wherein the hollow body is composed of a plurality of flat substrate plates.
- the interior of the hollow body is in flow communication with the inlet, so that the flow path of the exhaust gas from the inlet through the substrate and then leads to the output.
- the substrate is heated, which has a comparatively low thermal mass as a hollow body, before the housing can withdraw a relatively large amount of heat from the exhaust gas stream.
- the hollow body is composed of a plurality of flat (ie flat) substrate plates, it can be easily made of brittle material and safely in the housing hold. Bending of the substrate material is not required, which is why impermissible bending stresses occur neither during production nor during operation in the exhaust system.
- a second substrate is arranged in the interior of the substrate, which is likewise a hollow body composed of a plurality of flat substrate plates.
- a second flow path is created from the interior of the first substrate through the second substrate into its interior and from there to the exit.
- the hollow body preferably has a shape which corresponds to a lateral surface of a truncated pyramid. When using two nested hollow bodies, these are then placed in particular in opposite directions.
- the hollow body can of course also be designed as a hollow cylinder, that is to say with a plate spacing which is constant over its entire length.
- the substrate plates are in particular a trapezoidal shape in the case of a truncated pyramidal shape of the hollow body, wherein in the case of two substrates, the substrate plates of the inner hollow body are made smaller than those of the outer hollow body.
- the substrate plates are preferably held by a frame construction.
- the frame construction may include a plurality of fastener elements for the substrate plates, which may be e.g. clips, nails or rivets that hold the substrate plates to the frame construction.
- the frame construction may consist of cross-sectionally U-shaped profiles in which the substrate plates are held directly, for example.
- the substrates used are usually brittle materials.
- the substrate plates comprise at least one of the following materials: metal foam, metallic sponge structure, metal fibers, metallic sintered hollow spheres, wire mesh, wire mesh, expanded metal, ceramic fibers and ceramic foam. All these materials are characterized by their high porosity.
- the substrate plates can be provided with a catalytically active coating.
- a respective holder for the upstream end and for the downstream end of the substrate is provided, which is formed substantially as a flat bottom or disc with at least one passage opening. In this way, the substrate can be easily and safely stored in the housing.
- the hollow body has a plurality of stacked substrate plates made of different materials.
- the exhaust gas purification device may be a particulate filter, a particulate matter storage, an oxidation catalyst or a NO x -
- Oxidation catalyst conceivable.
- FIG. 1 shows a longitudinal section through an exhaust gas purification device according to a first embodiment of the invention
- FIG. 2 is a view of a substrate plate used in the exhaust gas purification device of FIG. 1;
- FIG. 3 is a view of a frame element used in the exhaust gas purification device of FIG. 1;
- FIG. 4 is a section along the line IV-IV in Figure 3, but with inserted substrate plate;
- FIG. 5 is a schematic perspective view of the frame construction of FIG. 5
- FIG. 6 shows a view of a frame element according to an alternative embodiment
- FIG. 7 is a section along the line VII-VII in Figure 6, but with inserted substrate plate;
- FIG. 8 is a sectional view similar to FIG. 7, but for an alternatively formed substrate
- FIG. 9 shows a schematic perspective view of a frame construction with holders for an exhaust gas purification device according to a second embodiment of the invention.
- FIG. 10 is a sectional view of part of the frame construction of FIG. 9.
- Figure 11 is a sectional view of a slightly modified compared to Figure 10 frame construction.
- FIG. 1 shows an exhaust gas purification device 10 according to a first embodiment
- Embodiment of the invention which may be a particulate filter, a particulate trap, an oxidation catalyst, a NO x storage catalyst or any combination thereof.
- the exhaust gas purification device 10 is used in particular in the exhaust system of a motor vehicle and has a housing 12 which has an input 14 and an output 16. Inside the housing 12, a gas-permeable first substrate 18, which is designed as a hollow body, is arranged. Inside the first substrate 18, a second substrate 20 is arranged, which is likewise designed as a hollow body. Both substrates 18, 20 or both hollow bodies have a shape corresponding to the lateral surface of a truncated pyramid with a rectangular, in particular square base area corresponds, and are composed of several, here four flat substrate plates 22 and 24 respectively.
- the substrate plates 22, 24 are each trapezoidal (see FIG. 2), the substrate plates 24 forming the inner second substrate 20 being smaller than the substrate plates 22 forming the outer first substrate 18.
- the substrate plates 22, 24 numerous materials come into question. Conceivable here is the use of metal foam or a metallic "sponge" with open pores, metal fibers, metallic hollow balls, wire mesh, wire mesh, expanded metal, ceramic fibers or ceramic foam or a ceramic "sponge".
- the substrate plates 22, 24 may have a catalytically active coating.
- the substrate plates 22 and 24 are held by a frame structure 26, which is shown schematically in a slightly modified form in Figure 5 and a plurality of also trapezoidal frame members 28 which are interconnected (see Figure 3).
- the frame construction 26 or the individual frame elements 28 consist, as can be seen from FIG. 4, of profiles U-shaped in cross-section 30.
- a respective holder 36 and 38 is provided, which carries the frame structure 26 and thus the substrates 18, 20.
- Each of the two holders 36 and 38 is formed substantially as a disc with passage openings, wherein the inlet openings of the first holder 36 with 40 and the outlet openings of the second holder 38 are designated 42.
- the exhaust gas entering the exhaust gas purification device 10 flows via the inlet openings 40 into the annular space 44, which is formed within the first substrate 18 but outside the second substrate 20.
- Substrate 18, or inwardly, in this case flow through the second substrate 20, and then reached through the outlet openings 42, the output
- the exhaust gas flow only comes into contact with the comparatively cold housing 12 after it has flowed through the first substrate 18.
- the portion of the exhaust stream flowing through the second substrate 20 comes not at all with the housing 12 in contact.
- the substrates 18, 20 can heat up very quickly due to their relatively low thermal mass, while the housing 12 warms up comparatively slowly on the one hand due to its thermal mass and on the other hand due to the unavoidable cooling by the ambient air.
- the generated exhaust gas can heat the substrates 18, 20 relatively quickly, since it comes into contact with them almost uncooled.
- the temperature necessary for the regeneration of the substrates 18, 20, for example is reached very quickly in the case of a particle filter.
- Frame structure 26 and the frame members 28 which have a plurality of fasteners in the form of clips 46 which hold the substrate plates 22 and 24 and are also designed in a U-shaped cross section.
- each of the substrates 18, 20 and the respective hollow body a plurality of stacked substrate plates 22, 22 ', 22 "or
- Metal fibers are used as filter material and metal foam or metallic hollow spheres with catalytically active coating as the oxidation catalyst material, in which case the oxidation catalyst material in the flow direction of the
- FIG. 9 shows a frame construction 26, as used in alternatively configured substrates 18 and 20, which have the shape of the lateral surface of a truncated pyramid with a hexagonal base. Also in this case, the individual substrate plates 22, 24, of which six each form a hollow body here, are trapezoidal, and the substrates 18, 20 and the frame structure 26 are held by the holders 36, 38 in the housing 12.
- Figures 10 and 11 show two different embodiments for corresponding frame structures 26.
- the frame members 28 are formed by profiles 48, which form a half hexagon in cross section.
- Substrate plates 22, 24 set by fasteners in the form of nails or rivets 50 to the angled frame members 28.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200880013910A CN101680324A (zh) | 2007-04-27 | 2008-04-24 | 用于排气系统的废气净化装置 |
US12/597,514 US20100202934A1 (en) | 2007-04-27 | 2008-04-24 | Exhaust gas purification device for an exhaust system |
EP08735376A EP2153033A1 (de) | 2007-04-27 | 2008-04-24 | Abgasreinigungsvorrichtung für eine abgasanlage |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007020003A DE102007020003A1 (de) | 2007-04-27 | 2007-04-27 | Abgasreinigungsvorrichtung für eine Abgasanlage |
DE102007020003.1 | 2007-04-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008135175A1 true WO2008135175A1 (de) | 2008-11-13 |
Family
ID=39620298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/003307 WO2008135175A1 (de) | 2007-04-27 | 2008-04-24 | Abgasreinigungsvorrichtung für eine abgasanlage |
Country Status (6)
Country | Link |
---|---|
US (1) | US20100202934A1 (de) |
EP (1) | EP2153033A1 (de) |
KR (1) | KR20090130423A (de) |
CN (1) | CN101680324A (de) |
DE (1) | DE102007020003A1 (de) |
WO (1) | WO2008135175A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103521021B (zh) * | 2013-09-27 | 2016-08-17 | 天津赛智科技发展有限公司 | 专用于分离油漆漆雾与工业可挥发有机污染物的喷淋塔 |
CN103850757A (zh) * | 2014-03-06 | 2014-06-11 | 冯柏金 | 一种柴油机尾气过滤装置 |
CN105032047B (zh) * | 2015-07-12 | 2017-03-22 | 成都科盛石油科技有限公司 | 一种干式烟尘过滤装置的改进结构 |
CN105013254A (zh) * | 2015-07-12 | 2015-11-04 | 成都科盛石油科技有限公司 | 基于提高烟气过滤效果的烟尘处理装置 |
JP6711846B2 (ja) * | 2015-12-28 | 2020-06-17 | 京セラ株式会社 | 粒子状物質の測定装置用部品 |
CN105674404B (zh) * | 2016-03-25 | 2019-02-19 | 进成(广东)智能科技股份有限公司 | 一种光触媒空气净化装置 |
US10774717B2 (en) * | 2017-11-01 | 2020-09-15 | Imagine Tf, Llc | Structures for catalytic converters |
CN108180055A (zh) * | 2017-12-19 | 2018-06-19 | 刘信玮 | 一种基于折叠扩增接触面积的汽车尾气净化处理装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4446250A (en) * | 1981-04-20 | 1984-05-01 | Kawasaki Jukogyo Kabushiki Kaisha | Plate catalyst body for denitration |
DE4137738A1 (de) * | 1991-11-15 | 1993-05-19 | Daimler Benz Ag | Russfilter |
DE29923422U1 (de) * | 1999-03-08 | 2000-09-28 | HJS Fahrzeugtechnik GmbH & Co, 58706 Menden | Filter zum Entfernen von Ruß- und Aschepartikeln aus dem Abgasstrom eines Dieselmotors |
EP1228797A1 (de) * | 2001-01-19 | 2002-08-07 | C.R.F. Società Consortile per Azioni | Partikelfilter für Dieselmaschinen |
DE102005005670A1 (de) * | 2005-02-08 | 2006-08-10 | Purem Abgassysteme Gmbh & Co. Kg | Schweiß- bzw. Lötverbindung von Filterelementen sowie Partikelfilter |
DE102005022419A1 (de) * | 2005-05-14 | 2006-11-16 | Purem Abgassysteme Gmbh & Co. Kg | Partikelfilter |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3228325A1 (de) * | 1982-07-29 | 1984-02-02 | Fa. J. Eberspächer, 7300 Esslingen | Filter- und nachverbrennungseinrichtung fuer abgase |
US6284201B1 (en) * | 1993-02-10 | 2001-09-04 | Alfred Buck | Apparatus for the catalytic purification of flowing gases, in particular exhaust gases of internal combustion engines |
-
2007
- 2007-04-27 DE DE102007020003A patent/DE102007020003A1/de not_active Withdrawn
-
2008
- 2008-04-24 CN CN200880013910A patent/CN101680324A/zh active Pending
- 2008-04-24 EP EP08735376A patent/EP2153033A1/de not_active Withdrawn
- 2008-04-24 KR KR1020097024877A patent/KR20090130423A/ko not_active Application Discontinuation
- 2008-04-24 US US12/597,514 patent/US20100202934A1/en not_active Abandoned
- 2008-04-24 WO PCT/EP2008/003307 patent/WO2008135175A1/de active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4446250A (en) * | 1981-04-20 | 1984-05-01 | Kawasaki Jukogyo Kabushiki Kaisha | Plate catalyst body for denitration |
DE4137738A1 (de) * | 1991-11-15 | 1993-05-19 | Daimler Benz Ag | Russfilter |
DE29923422U1 (de) * | 1999-03-08 | 2000-09-28 | HJS Fahrzeugtechnik GmbH & Co, 58706 Menden | Filter zum Entfernen von Ruß- und Aschepartikeln aus dem Abgasstrom eines Dieselmotors |
EP1228797A1 (de) * | 2001-01-19 | 2002-08-07 | C.R.F. Società Consortile per Azioni | Partikelfilter für Dieselmaschinen |
DE102005005670A1 (de) * | 2005-02-08 | 2006-08-10 | Purem Abgassysteme Gmbh & Co. Kg | Schweiß- bzw. Lötverbindung von Filterelementen sowie Partikelfilter |
DE102005022419A1 (de) * | 2005-05-14 | 2006-11-16 | Purem Abgassysteme Gmbh & Co. Kg | Partikelfilter |
Also Published As
Publication number | Publication date |
---|---|
CN101680324A (zh) | 2010-03-24 |
KR20090130423A (ko) | 2009-12-23 |
EP2153033A1 (de) | 2010-02-17 |
US20100202934A1 (en) | 2010-08-12 |
DE102007020003A1 (de) | 2008-10-30 |
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