EP3362656A1 - Composant de gaz d'échappement, procédé de fabrication d'un composant de gaz d'échappement de ce type, et dispositif permettant la mise en uvre du procédé - Google Patents

Composant de gaz d'échappement, procédé de fabrication d'un composant de gaz d'échappement de ce type, et dispositif permettant la mise en uvre du procédé

Info

Publication number
EP3362656A1
EP3362656A1 EP16778993.2A EP16778993A EP3362656A1 EP 3362656 A1 EP3362656 A1 EP 3362656A1 EP 16778993 A EP16778993 A EP 16778993A EP 3362656 A1 EP3362656 A1 EP 3362656A1
Authority
EP
European Patent Office
Prior art keywords
housing
exhaust gas
cross
gas component
compression
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.)
Granted
Application number
EP16778993.2A
Other languages
German (de)
English (en)
Other versions
EP3362656B1 (fr
Inventor
Christina REICHERT
Claudia Riedel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolls Royce Solutions GmbH
Original Assignee
MTU Friedrichshafen GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MTU Friedrichshafen GmbH filed Critical MTU Friedrichshafen GmbH
Publication of EP3362656A1 publication Critical patent/EP3362656A1/fr
Application granted granted Critical
Publication of EP3362656B1 publication Critical patent/EP3362656B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/011—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel
    • F01N13/017—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel the purifying devices are arranged in a single housing
    • 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
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2825—Ceramics
    • F01N3/2828—Ceramic multi-channel monoliths, e.g. honeycombs
    • 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
    • F01N3/2839—Arrangements for mounting catalyst support 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
    • F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • F01N3/2842—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration specially adapted for monolithic supports, e.g. of honeycomb type
    • 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
    • F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/06—Ceramic, e.g. 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
    • F01N2350/00—Arrangements for fitting catalyst support or particle filter element in the housing
    • 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
    • F01N2350/00—Arrangements for fitting catalyst support or particle filter element in the housing
    • F01N2350/02—Fitting ceramic monoliths in a metallic housing
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/02—Fitting monolithic blocks into the housing
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/30—Removable or rechangeable blocks or cartridges, e.g. for 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
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/02—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for marine vessels or naval applications
    • 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
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/10—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for stationary applications

Definitions

  • the invention relates to an exhaust gas component, a method for producing such an exhaust gas component, and an apparatus for carrying out such
  • an exhaust gas component which has a plurality of - seen in cross-section - rectangular exhaust aftertreatment elements.
  • the exhaust gas component has a housing that surrounds the exhaust gas aftertreatment elements arranged in a rectangular arrangement relative to one another, as seen in cross section, the housing having a rectangular cross section and being divided into two housing parts along a diagonal of the cross section.
  • the two housing parts are welded together.
  • the disadvantage here is that the production of the exhaust gas component is complicated due to the welding of the housing parts, wherein these by the
  • Exhaust gas component - for example, for maintenance or replacement purposes, for example, to replace an exhaust aftertreatment element - is hardly possible or only with great effort.
  • the invention is based on the object, an exhaust gas component, a method for
  • an exhaust gas component which has at least one - viewed in cross-section - rectangular exhaust gas aftertreatment element, preferably a plurality of - seen in cross section - rectangular Exhaust after-treatment elements, as well as a housing, which - as seen in cross-section - arranged to a rectangular arrangement relative to each other
  • the housing parts are not welded together, but rather are arranged under compressive stress in the outer housing, a mounting of the exhaust gas component is greatly simplified.
  • the housing parts are not welded together, but rather are arranged under compressive stress in the outer housing, a mounting of the exhaust gas component is greatly simplified.
  • the housing parts are not welded together, but rather are arranged under compressive stress in the outer housing, a mounting of the exhaust gas component is greatly simplified.
  • the housing parts are not welded together, but rather are
  • housing parts welded to the outer housing in particular each housing part, each with a weld.
  • the housing parts are preferably urged against each other on adjacent housing edges under tension. They are in particular not rigidly connected to each other, but arranged under elastic bias in the outer housing.
  • Exhaust line especially an internal combustion engine
  • the exhaust gas component in particular has an enclosure, here in particular the outer housing, which preferably also has connection points for integration into an exhaust gas line, in particular for the supply and exhaust of exhaust gas.
  • the exhaust gas component is at their
  • the exhaust gas component is in particular designed to carry out a specific exhaust aftertreatment, for example formed as an oxidation catalyst, as an SCR catalyst for the selective catalytic reduction of nitrogen oxides, or as
  • an exhaust gas component can also have more than one such function.
  • An exhaust gas aftertreatment element is in particular a device that is specifically set up to carry out a specific exhaust aftertreatment, at the same time being used for Arrangement and use is set up in an exhaust gas component.
  • Exhaust after-treatment element preferably has a carrier body and one on the
  • the support body is preferably a ceramic body, in particular a ceramic one
  • the catalytically active coating can, for example, a
  • Oxidation catalyst or suitable for the selective catalytic reduction of nitrogen oxides SCR catalyst may also be referred to as
  • Particle filter element may be formed, in which case it preferably has a porous filter body, in particular a porous ceramic body as a filter body.
  • the housing which is arranged under compressive stress in the outer housing, is in particular designed as an inner housing.
  • the exhaust gas component preferably has an inner housing, which in turn has two housing parts, and an outer housing, which engages around the inner housing in the assembled state, wherein the inner housing is arranged in the outer housing under compressive stress.
  • Exhaust after-treatment element - which is also referred to as a compression unit - is elastically yielding, in particular the housing parts elastically to each other and the at least one exhaust aftertreatment element or the plurality of
  • Exhaust aftertreatment elements can be pushed inward, which is referred to as compression. Under compressive stress so the housing parts of the housing are further toward each other and in particular displaced inward than in a relaxed state in which no compression of the assembly of the housing parts and the
  • the elasticity of the arrangement may in particular result from the properties, in particular shape and / or material properties, of the housing parts, the geometric arrangement of the housing parts relative to one another, and / or additionally provided compression elements, in particular compression mats.
  • the housing parts have a wall thickness of at least 0.5 mm to at most 1.5 mm, in particular of 1 mm, whereby they receive a resilient, elastic training.
  • the fact that the housing parts are urged against each other on adjacent housing edges under tension means, in particular, that housing edges of the housing parts exist that extend perpendicular to a cross-sectional plane of the exhaust gas component, and which are opposite where the diagonal of the cross section of the housing in the two housing parts divides, in particular where a diagonal plane in which the corresponding diagonal runs intersects the cross-sectional plane.
  • the housing parts are preferably dimensioned such that the housing edges of the housing parts exist that extend perpendicular to a cross-sectional plane of the exhaust gas component, and which are opposite where the diagonal of the cross section of the housing in the two housing parts divides, in particular where a diagonal plane in which the corresponding diagonal runs intersects the cross-sectional plane.
  • the housing parts are preferably dimensioned such that the housing edges of the housing parts exist that extend perpendicular to a
  • Exhaust gas component have a distance from each other, whereby they are by compression of the exhaust gas component against each other or to each other to be pressed. It is possible that they touch each other in a compressed state, but it is also possible that the housing edges even in the compressed state yet another - but then compared to the relaxed state lower - distance from one another.
  • a cross-section is understood here to mean a view of the exhaust gas component and / or a part or element of the exhaust gas component in a plane on which a longitudinal direction of the exhaust gas component is perpendicular.
  • the longitudinal direction of the exhaust gas component is in particular a direction along which the exhaust gas component in the operation of a
  • a flow path for the exhaust gas extends through the exhaust gas after-treatment elements from an upstream end side to a downstream end side thereof in the longitudinal direction.
  • the housing and in particular also the exhaust gas component as a whole is / are preferably of cuboid design. Alternatively or additionally, it is preferably provided that the
  • Exhaust after-treatment elements are formed cuboid.
  • a longest edge of such a cuboid preferably extends in the longitudinal direction, with shorter edges of the cuboid extending in the cross-sectional plane. It is possible that the exhaust gas component and / or the exhaust aftertreatment elements have a square cross section, wherein preferably the two shorter edges which are shorter than the longest edge, are the same length. It is also possible that different exhaust aftertreatment elements are different
  • a first exhaust aftertreatment element may have a square cross-section and a second exhaust aftertreatment element of a rectangular, not square cross-section.
  • An edge length of the housing is preferably an integer multiple of an edge length of an exhaust gas aftertreatment element, wherein here the factor 1 is included.
  • Exhaust after-treatment element is provided, along at least one transverse direction at least one, two or more exhaust aftertreatment element (s) is / are arranged. It is additionally or alternatively possible that seen in the longitudinal direction more than one
  • Exhaust aftertreatment element is arranged one behind the other.
  • the exhaust gas component preferably has a plurality of identically formed, in particular geometrically identically designed, exhaust gas aftertreatment elements. These preferably as such cuboid exhaust aftertreatment elements can then in turn be combined to a total cuboid arrangement by side and / or series arrangement of the exhaust aftertreatment elements.
  • the housing then preferably has corresponding edge lengths corresponding to the corresponding singular or plurality of
  • the outer housing preferably has corresponding edge lengths.
  • the outer housing is further preferably dimensioned so that the compression unit can be arranged under compression stress in the outer housing.
  • the outer housing in particular according to the desired compression stress chosen smaller
  • the housing parts are formed as - seen in cross section - L-shaped sheet metal elements.
  • the housing parts are preferably formed as angularly folded sheet metal shell halves.
  • the housing parts are particularly simple and quick and inexpensive to produce in this case.
  • An edge length of the sheet-metal jacket halves measured in the longitudinal direction is preferably approximately an integer multiple of a corresponding edge length of the
  • an edge length of the sheet-metal jacket halves measured in the cross-sectional plane is preferably an integer multiple of a corresponding edge length of the exhaust aftertreatment elements, wherein the integer multiple in particular on the number along a certain direction in the arrangement actually arranged arranged exhaust aftertreatment elements.
  • an edge length measured in the cross-sectional plane of a housing edge of at least one of the housing parts is smaller than a length of an arrangement edge of the arrangement of the at least one fitting against this housing edge in the mounted state
  • Exhaust after-treatment element or the exhaust aftertreatment elements in the relaxed state are not the housing edges, which are adjacent to each other in the compression or are displaced to each other, but to this vertically oriented housing edges, which are arranged parallel to lying in the cross-sectional plane arrangement edges of the arrangement of exhaust aftertreatment elements. Because of this
  • Housing edges have a smaller edge length than the arrangement edges, there is a distance between the perpendicular to the cross-sectional plane extending housing edges, which are urged toward each other in a compressed state.
  • the corresponding configuration therefore makes it possible to compress the arrangement while displacing the housing parts towards one another.
  • the housing parts have positive locking elements on the housing edges which are adjacent to one another in the mounted state, the interlocking elements being arranged to engage in one another in the assembled state.
  • the form-fitting elements are particularly preferably designed so that they already engage in an uncompressed state, thus in a relaxed state.
  • the housing parts can be aligned by means of the positive locking elements relative to each other.
  • the interlocking elements are designed so that their engagement in the
  • At least one compression mat is arranged between at least one exhaust gas aftertreatment element and the housing. Alternatively or additionally, preferably between at least two
  • Exhaust after-treatment elements arranged at least one compression mat. These compression mats serve on the one hand to seal off the exhaust gas component with regard to the exhaust gas flow passing through it during operation, and on the other hand provide such
  • Compression mats - preferably in addition to the elastic configuration of Housing parts - an elasticity for the compression unit of the exhaust aftertreatment elements, the housing parts and the compression mats, ready. Preferred is between each
  • a particularly good compressibility is achieved at the same time optimized gas-tightness for the arrangement.
  • each compression mat has at least one slot, wherein preferably at least two compression mats are arranged nested.
  • the compression mats are easily locatable in the exhaust component by these nested and placed between or on the exhaust aftertreatment elements. In particular, it requires no complicated wrapping of exhaust aftertreatment elements with compression mats.
  • At least two compression mats with their slots are particularly preferred.
  • the compression mats have a central, central slot, which preferably extends from a mat edge over a certain area in the compression mat, for example approximately to a center of the compression mat, wherein two compression mats arranged in a cross shape and preferably perpendicular to each other and with their middle slots
  • Such an arrangement of compression mats is particularly suitable for a central, central arrangement in the exhaust gas component between the exhaust aftertreatment elements.
  • the compression mats each have a central slot and two open-edged lateral recesses extending in regions along mat edges of the compression mats. A remaining area of the edges then virtually forms a projection relative to the position of the mat edge in the region of the recess.
  • Compression mats are preferably arranged to mate with their slots and / or with the projections and recesses.
  • Exhaust aftertreatment elements may be arranged, wherein they engage with their central slot. Additionally or alternatively, it is possible for at least one compression mat to be arranged on each outer side of the arrangement of exhaust aftertreatment elements, wherein the compression mats arranged on adjacent or adjoining sides each engage with a projection in a recess of the adjacent mat.
  • the laterally arranged compression mats are preferably arranged in different orientations, so that in each case a projection comes with a recess for covering.
  • the housing parts have frontal, inwardly directed housing flanges.
  • a front side is meant a side which is oriented parallel to a cross-sectional plane, and on which, in particular, a main flow direction of exhaust gas is perpendicular during operation of the exhaust gas component.
  • the frontal, inwardly directed housing flanges of the housing parts can be used in a particularly simple and effective manner to apply press-in forces for pressing the housing with the arrangement of at least one exhaust aftertreatment element in the outer housing on the housing parts, or to initiate them.
  • the housing parts additionally or alternatively in each case at least one
  • Pull-out element which is set up to pull the housing parts together with the arrangement of the exhaust aftertreatment elements from the outer housing, in particular for maintenance or replacement purposes of the exhaust aftertreatment elements, and / or for handling - in particular by means of a crane - the exhaust gas component.
  • Pull-out elements are preferably configured as eyelets, which are arranged, in particular, welded to the bevelled edges of the sheet-metal shell halves, angular housing parts.
  • the housing parts are preferably welded to the outer housing in the region of the pull-out elements, in particular between a respective pull-out element and the outer housing, by means of a weld seam which is preferably 50 mm long.
  • the housing flanges preferably have exemptions for the pull-out elements, or extend only over a length which leaves room for the pull-out elements.
  • the outer housing has frontally outwardly directed outer housing flanges having flange positive locking elements. These outer housing flanges are preferably provided to arrange the outer housing in turn in a parent exhaust housing and fasten there.
  • the flange positive locking elements serve to align the various outer housing relative to each other, they can arrange closer to each other and thereby save space.
  • the flange positive-locking elements are preferably designed as a succession of projections and recesses along edges of the outer housing flanges, wherein these are configured and / or oriented such that adjacent outer housings can interengage with their projections and recesses.
  • the configuration with respect to the arrangement of the projections and recesses on a first outer housing flange is designed to be complementary to a corresponding configuration on a second, on an opposite side
  • Recesses of their outer housing flanges can interlock.
  • the design of the outer housing flanges with projections and recesses also saves material in the flange area.
  • the object is also achieved by providing a method for producing an exhaust gas component, wherein within the scope of the method an exhaust gas component according to one of the exemplary embodiments described above is preferably produced.
  • the method comprises the following steps: It is provided - seen in cross-section - L-shaped, first housing part. At least one - seen in cross-section - rectangular, preferably square, exhaust aftertreatment element or a plurality of - seen in cross-section
  • This compression unit has the first housing part, the arrangement of at least one exhaust gas aftertreatment element, preferably - as will be explained - at least one compression mat, and the second housing part. It will be one
  • compression of the compression unit is understood to mean, in particular, that the housing parts are urged against each other or against one another with housing edges arranged adjacently to one another under tension. The compression unit is then pressed under compression stress in an outer housing.
  • Compression mat between at least one exhaust aftertreatment element and at least one housing part, and / or between at least two exhaust aftertreatment elements is arranged.
  • a plurality of compression mats is used, wherein in particular compression mats are arranged between adjacent exhaust aftertreatment elements and between the exhaust aftertreatment elements and housing parts adjacent to them.
  • the first housing part is arranged on a holding device, wherein the holding device has a - seen in cross-section - L-shaped bearing surface.
  • the first housing part is arranged in particular on the support surface.
  • a tip - or a knee - of the L-shaped bearing surface preferably has - seen in the direction of gravity - down, so that the first housing part can be safely, stably and firmly placed on the support surface.
  • the first housing part is placed directly on the support surface.
  • the support surface preferably has at least one recess for arranging at least one tensioning bracket in the support surface or below the support surface
  • the clamping bracket can thus be arranged below the first housing part, wherein later, the housing parts can be clamped by means of the clamping bracket.
  • at least one clamping bracket on the support surface is arranged, wherein the first housing part in turn is arranged on the at least one clamping bracket.
  • the first housing part is arranged indirectly on the support surface.
  • the clamping bracket is arranged under the first housing part and can be used later for tensioning the compression unit.
  • two clamping straps are used, which - viewed in the longitudinal direction - are arranged spaced from each other, which is a particularly stable voltage of
  • first or at least a first tensioning bow part is arranged on or in the bearing surface, in particular a first tensioning bow half which is later completed with a second tensioning bow part or a second tensioning bow half to form a clamping strap which encompasses the compression unit along its entire circumference.
  • the tension can be applied in this case, in particular, by the two clamping strap parts or
  • Clamping halves are clamped together.
  • two clamping strap parts or clamping halves are used in each case, so that in particular two clamping bars result.
  • Such a clamp member or a clamping bracket half is preferably designed L-shaped. It is preferred a development of the invention, in which it is provided that the
  • Compression force is applied to the housing parts by means of at least one tensioned around the compression unit clamping bracket, preferably by means of a plurality of tensioned around the compression unit clamping bracket, in particular with two clamping straps applied.
  • the clamping yokes are preferably designed as already explained above.
  • the at least one clamping bracket on at least one clamping stop, which prevents over-pressing by over-tightening the clamping bracket.
  • the tension stop is preferably formed or arranged on at least one tension bow part.
  • the compressed compression unit with the clamping straps is first inserted end-to-end in the outer housing, in which case the compression unit is pressed out of the clamping straps and into the outer housing.
  • the Clamping - preferably successively - be solved while the compression unit is pressed into the outer housing.
  • a loosening of the clamping bracket can in particular take place when the compression unit is already securely held by the outer housing in its compressed position so that they can not fall apart.
  • the compression unit by applying a pressing force on the front, inwardly directed housing flanges of
  • housing parts is pressed into the outer housing.
  • the housing flanges can be used in a simple and advantageous manner to introduce a corresponding pressing force into the compression unit.
  • This device has a holding device with a - seen in cross-section - L-shaped bearing surface, also at least one clamping bracket for applying the compressive force on the
  • the device is preferably designed as already explained in connection with the method. This results in particular in the advantages that have already been explained in connection with the method and the exhaust gas component.
  • the device has at least one stop element for aligning the housing parts, the exhaust aftertreatment elements and / or the compression mats.
  • the device preferably has a press device for pressing in the
  • Compression unit in the outer housing is Compression unit in the outer housing.
  • the device has two clamping brackets.
  • the clamping bracket can be arranged with a first clamp member on the support surface, or that the support surface has at least one recess for at least a first clamp member of the clamping bracket.
  • the invention finally also includes an internal combustion engine which has an exhaust gas component according to one of the previously described embodiments. In connection with the internal combustion engine, in particular, the advantages that have already been explained in connection with the exhaust gas component.
  • the exhaust gas component is set up and arranged for the aftertreatment of exhaust gas of the internal combustion engine.
  • the internal combustion engine is preferably designed as a reciprocating engine. It is possible that the internal combustion engine is arranged to drive a passenger car, a truck or a commercial vehicle. In a preferred embodiment, the internal combustion engine is the drive in particular heavy land or water vehicles, such as mine vehicles, trains, the internal combustion engine in a
  • Locomotive or a railcar is used, or by ships. It is also possible to use the internal combustion engine to drive a defense vehicle, for example a tank.
  • An exemplary embodiment of the internal combustion engine is preferably also stationary, for example, for stationary power supply in emergency operation,
  • the internal combustion engine in this case preferably drives a generator. Also a stationary application of
  • Internal combustion engine for driving auxiliary equipment such as fire pumps on oil rigs
  • auxiliary equipment such as fire pumps on oil rigs
  • an application of the internal combustion engine in the field of promoting fossil raw materials and in particular fuels, for example oil and / or gas possible.
  • the internal combustion engine is preferably designed as a diesel engine, as a gasoline engine, as a gas engine for operation with natural gas, biogas, special gas or another suitable gas.
  • the internal combustion engine is designed as a gas engine, it is suitable for use in a cogeneration plant for stationary power generation.
  • Embodiment of the exhaust gas component, the device and / or the internal combustion engine is conditional.
  • the exhaust gas component, the device and / or the internal combustion engine preferably draws / distinguishes itself by at least one feature, which is due to at least one process step of a preferred embodiment of the method according to the invention or preferred embodiment.
  • Figure 1 is an exploded view of an embodiment of an exhaust gas component with composite compression unit and outer casing
  • Figure 2 is a representation of the embodiment of the exhaust gas component according to Figure 1 in the assembled state
  • Figure 3 is an illustration of the arrangement of compression mats on the
  • FIG. 4 shows an illustration of an embodiment of a device for producing a
  • Figure 5 is an illustration of an arrangement of a plurality of exhaust gas components in
  • Fig. 1 shows an overall exploded view of an embodiment of a
  • Exhaust gas component 1 wherein in Figure la) a plurality of - seen in cross-section - rectangular, in particular square, exhaust aftertreatment elements 3 are shown, which are arranged in a housing 5. Concretely, four square exhaust gas aftertreatment elements 3, which are preferably in the form of a ceramic, are shown here
  • Catalyst carriers are formed, relative to each other and arranged in the housing 5, that the arrangement of the exhaust aftertreatment elements 3 itself is square, with two exhaust aftertreatment elements 3 in two directions of the cross-sectional plane
  • each edge of the total square arrangement of two rear or side by side arranged edges of the exhaust aftertreatment elements 3 is formed.
  • only one exhaust aftertreatment element 3 is provided in the longitudinal direction, so that ultimately the arrangement itself as well as the housing 5 have the length of approximately one exhaust aftertreatment element 3, preferably a slightly greater length.
  • the housing 5 and the exhaust aftertreatment elements 3 together form a compression unit 10, preferably with at least one compression mat.
  • an outer housing 11 is shown, in which the housing 5 can be arranged in the assembled state under compression stress.
  • the housing parts 7, 9 are preferably attached to adjacent housing edges 13, 15
  • Such adjacent housing edges 13, 15 exist here in particular on both sides of the diagonal D, in which case only the housing edges facing the viewer 13, 15 are visible, and wherein the - seen along the diagonal D - opposite housing edges in the view of Figure la) hidden are.
  • the housing parts 7, 9 are here as - seen in cross section - L-shaped sheet metal elements formed, in particular as an angle-shaped bent metal shell halves.
  • an edge length measured in the cross-sectional plane of housing edges 17, 17 'perpendicular to the first housing edge 13 and the second housing edge 15 is smaller than a length of one in the assembled state on the housing edges 17, 17 'adjacent arrangement edge of the arrangement of the exhaust aftertreatment elements 3 in the relaxed state, so that the adjacent housing edges 13, 15 in the relaxed state have a certain distance from each other. It is possible that this distance is closed in the compressed state.
  • the housing parts are dimensioned so that the distance between the adjacent housing edges 13, 15, although reduced in the compressed state, but not reduced to zero.
  • the housing parts 7, 9 each have on their in the assembled state adjacent housing edges 13, 15 form-fitting elements 19, 19 ', which are adapted to engage in the assembled state.
  • the form-fitting elements 19, 19 ' here have teeth which - as shown in Figure la) - engage in the assembled state.
  • the housing parts 7, 9 can be aligned relative to one another in a simple manner and can be pre-fixed to one another.
  • the housing parts 7, 9 have frontal, inwardly directed, preferably inwardly bent or flanged housing flanges 21, which serve in particular for pressing the housing 5 in the outer housing 11.
  • housing parts 7, 9 each have a pullout element 23, wherein the
  • Pull-out elements 23 are formed here as eyelets, which are each fixed in a bending edge of the L-shaped housing parts 7, 9, in particular welded in the bending edge.
  • the housing parts 7, 9 are preferably bent from thin sheet metal, wherein a sheet thickness of the housing parts 7, 9 is preferably 1 mm.
  • the outer housing 11 is preferably formed from bent sheet metal parts, which are preferably welded together in the region of welds 25.
  • the outer housing 11 has frontally outwardly directed outer flanges 27 which have flange positive locking elements 29.
  • the flange form-fitting elements 29 each consist of a sequence of juxtaposed projections and recesses, which are arranged on the outer housing flanges 27 so that adjacent
  • Outer housing 11 positively interlock with their projections and recesses can.
  • the projections preferably have fastening bores 31, which are used for fastening, for example, screwing the outer housing 11 and thus also the entire
  • Exhaust gas component 1 serve at a parent exhaust aftertreatment device. For better clarity, only one mounting hole is designated by the reference numeral 31 here.
  • the outer flanges 27 are preferably made by folding the sheets, which form the outer housing 11. In this case, initially exemptions remain in the four corners of the front page, which preferably each with a preferably rectangular, in particular
  • sheet metal piece 32 are filled to close the outer flanges 27 in the circumferential direction.
  • the four sheet metal pieces 32 are preferably welded to the outer flanges 27 and, as a result, form part of the finished outer flanges 27.
  • FIG. 2 shows the illustration of an assembly of the exhaust gas component 1 according to FIG. 1.
  • the housing 5 is used with the exhaust aftertreatment elements 3 in the outer housing 11, in particular pressed, where it is arranged under compressive stress in the outer housing 11. It is further shown here that outside of the outer housing 11 still
  • Wire knit elements 33 can be arranged, which serve for the storage of the outer housing 11 in a parent exhaust aftertreatment device.
  • the housing parts 7, 9 are preferably in the mounted state in the area of
  • Pull-out elements 23 welded to the outer housing 11, in particular each having a weld of preferably 50 mm in length.
  • slots 35 can be seen, wherein the outer housing 11 in particular on each of its four sides such a slot 25, wherein in Figure 2 due to the selected view, only two of these slots 35 can be seen.
  • a holding cross not shown, in particular made of sheet metal, held - preferably non-positively, positively or materially, preferably welded -, wherein the arranged in the outer housing 11 retaining cross serves as a stabilizing support structure for the outer housing 11.
  • 3 shows an illustration of the arrangement of exhaust aftertreatment elements 3 with a plurality of compression mats 37, as is preferably provided in the embodiment according to FIGS. 1 and 2. Identical and functionally identical elements are provided with the same reference numerals, so that reference is made to the preceding description. In the embodiment shown here are between the individual
  • Exhaust after-treatment elements 3 and between each exhaust aftertreatment element 3 and the housing 5 compression mats 37 are arranged. These serve, on the one hand, to seal the arrangement and, on the other hand, to provide a compressibility and / or elasticity of the compression unit 10 which goes beyond the elasticity of the housing parts 7, 9.
  • each of the compression mats has at least one slot 39, wherein this slot 39 preferably centrally from a
  • outside edge or mat edge of a compression mat 37 extends approximately to a center or center of gravity of the compression mat 37.
  • the slot 39 is so far formed as a middle slot. At least two of the compression mats 37 are inserted into one another with their slots 39. These are in particular not shown in Figure 3 - because hidden - compression mats, the cross-shaped within the arrangement of
  • Exhaust after-treatment elements 3 are arranged between them. These compression mats are preferably identical, but with regard to their orientation
  • each outer side of the arrangement of the exhaust aftertreatment elements 3 each have a further compression mat 37 is arranged, so that the arrangement shown here has a total of six compression mats 37, namely two internal, arranged in a cruciform, and four laterally arranged compression mats 37, of which two here facing the viewer and thus are visible.
  • the compression mats 37 each have preferably in addition to the central slot 39 still two lateral recesses 41, in the region of one
  • the outer edge or mat edge of the compression mats 37 springs back a little, with the recesses 41 in particular as two sides open-edged recesses starting from a lower edge 43 to about the middle of a respective recess 41 receiving
  • FIG. 4 shows a schematic representation of a device 49 for carrying out a
  • the device 49 has a holding device 51, which has an L-shaped bearing surface 53, viewed in the cross-section of a compression unit 10 arranged on the holding device 51.
  • This is formed in the exemplary embodiment of the holding device 51 shown here by two support elements 55, so that the support surface 53 is here ultimately formed in two parts.
  • the support elements 55 are in turn held on a support frame 57.
  • the L-shaped support elements 55 and thus at the same time the bearing surface 53 are oriented so that a knee of the L has in the vertical direction downwards.
  • the device 49 has at least one stop plate designed as a stop element 58 for aligning the housing parts 7, 9, the exhaust aftertreatment elements 3 and / or the compression mats 37.
  • the holding device 51 also has at least one, in this case in concrete terms, two clamping yokes 59, which are set up in order to encompass the compression unit 10 and to introduce a compressive force into the compression unit 10.
  • the clamping yokes 59 each have two here
  • Clamping part 63 wherein the clamping yoke parts 61, 63 can be clamped together and thus to produce an inwardly, ie in particular in an interior, which is encompassed by the clamping yoke parts 61, 63, directed compression force.
  • first the first tensioning bow parts 61 are arranged on the bearing surface 53. Subsequently, the first housing part 7 on the first
  • Compression unit 10 is compressed. Subsequently, the compression unit 10 with the straps 59 of the
  • Holding device 51 are removed.
  • the compression unit 10 is then finally pressed into a press device, not shown, in the outer housing 1 1, wherein preferably a pressing force is applied to the front side, inwardly directed housing flanges 21. It is possible that the compression unit 10 is pressed out of the tensioning clamps 59 and at the same time pressed into the outer housing 11. But it is also possible that the clamping bracket 59 when pressing the compression unit 10 in the outer housing 11 - in particular successively - be solved.
  • FIGS. 1 to 3 show an illustration of an arrangement of a plurality of exhaust gas components 1 according to the exemplary embodiment illustrated in FIGS. 1 to 3 in plan view. Identical and functionally identical elements are provided with the same reference numerals, so that reference is made to the preceding description. It shows here that identical
  • the intermeshing interlocking elements 29 stabilize the arrangement of the exhaust gas components 1.
  • These are preferably arranged in an exhaust gas housing (not shown) of a superordinate exhaust gas aftertreatment device, especially attached to or in this. It is particularly possible that the exhaust gas components 1 are screwed by means of the mounting holes 31 in the exhaust housing.
  • the central compression mats 37 arranged in a cross shape between the exhaust aftertreatment elements 3 are also recognizable.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Ceramic Engineering (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

L'invention concerne un composant de gaz d'échappement (1) comprenant un ensemble rectangulaire, vu en coupe transversale, composé d'au moins un élément de retraitement de gaz d'échappement (3) rectangulaire, vu en coupe transversale ; un boîtier (5), lequel enserre l'ensemble rectangulaire, vu en coupe transversale, le boîtier (5) présentant une section transversale rectangulaire et étant divisé le long d'une diagonale (D) de la section transversale en deux parties de boîtier (7, 9). Selon l'invention, le boîtier (5) est agencé sous l'effet d'une contrainte de compression dans un boîtier extérieur (11).
EP16778993.2A 2015-10-15 2016-10-06 Composante de gaz d'échappement, procédé pour fabriquer une telle composante, et un dispositif pour exécuter ledit procédé Not-in-force EP3362656B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015220126.0A DE102015220126A1 (de) 2015-10-15 2015-10-15 Abgaskomponente, Verfahren zum Herstellen einer solchen Abgaskomponente, und Vorrichtung zur Durchführung des Verfahrens
PCT/EP2016/001658 WO2017063731A1 (fr) 2015-10-15 2016-10-06 Composant de gaz d'échappement, procédé de fabrication d'un composant de gaz d'échappement de ce type, et dispositif permettant la mise en œuvre du procédé

Publications (2)

Publication Number Publication Date
EP3362656A1 true EP3362656A1 (fr) 2018-08-22
EP3362656B1 EP3362656B1 (fr) 2019-07-17

Family

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EP16778993.2A Not-in-force EP3362656B1 (fr) 2015-10-15 2016-10-06 Composante de gaz d'échappement, procédé pour fabriquer une telle composante, et un dispositif pour exécuter ledit procédé

Country Status (6)

Country Link
US (1) US20180306091A1 (fr)
EP (1) EP3362656B1 (fr)
CN (1) CN108138634B (fr)
DE (1) DE102015220126A1 (fr)
HK (1) HK1256545A1 (fr)
WO (1) WO2017063731A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018208711A1 (fr) * 2017-05-08 2018-11-15 Seitz Michael W Bac amovible pour système d'épurateur modulaire pour poussière en suspension dans l'air
GB201718752D0 (en) * 2017-11-13 2017-12-27 Edwards Ltd Vacuum and abatement systems

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5684621A (en) * 1979-12-13 1981-07-10 Mitsubishi Heavy Ind Ltd Catalyst packaged to rectangular parallelepiped
JPS62110518U (fr) * 1985-12-27 1987-07-14
DE8605649U1 (de) * 1986-03-01 1986-04-17 Degussa Ag, 6000 Frankfurt Vorrichtung zur Halterung von Monolithkatalysatoren
JPH07213865A (ja) * 1994-02-03 1995-08-15 Babcock Hitachi Kk 触媒ユニット
JPH08215578A (ja) * 1995-02-13 1996-08-27 Hitachi Zosen Corp モジュール化触媒
JPH1133409A (ja) * 1997-07-23 1999-02-09 Hitachi Zosen Corp モジュール化触媒
JP4535416B2 (ja) * 2001-02-20 2010-09-01 三菱重工環境・化学エンジニアリング株式会社 ハニカム触媒充填パレットを有する排ガス処理装置
US20110030355A1 (en) 2009-08-10 2011-02-10 Vconverter Company Catalytic Converter and Process of Manufacture
JP6228727B2 (ja) * 2012-02-22 2017-11-08 日立造船株式会社 触媒担持ハニカム構造体を具備する処理装置、およびその製造方法
CN104994942B (zh) * 2013-02-14 2017-09-01 巴斯夫欧洲公司 在用于执行多相催化气相反应的反应器中安装整料的方法
DE102014203617A1 (de) * 2014-02-27 2015-08-27 Johnson Matthey Catalysts (Germany) Gmbh Katalysatormodul, Aufnahmeeinheit für ein solches Katalysatormodul sowie Verfahren zum Herstellen eines solchen Katalysatormoduls

Also Published As

Publication number Publication date
WO2017063731A1 (fr) 2017-04-20
HK1256545A1 (zh) 2019-09-27
CN108138634B (zh) 2020-08-21
DE102015220126A1 (de) 2017-04-20
EP3362656B1 (fr) 2019-07-17
CN108138634A (zh) 2018-06-08
US20180306091A1 (en) 2018-10-25

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