CN106168154B - The exhaust gas purification component of outside dimensional standards - Google Patents

The exhaust gas purification component of outside dimensional standards Download PDF

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Publication number
CN106168154B
CN106168154B CN201610344268.6A CN201610344268A CN106168154B CN 106168154 B CN106168154 B CN 106168154B CN 201610344268 A CN201610344268 A CN 201610344268A CN 106168154 B CN106168154 B CN 106168154B
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CN
China
Prior art keywords
shell
purification
transverse direction
component
block
Prior art date
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Expired - Fee Related
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CN201610344268.6A
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Chinese (zh)
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CN106168154A (en
Inventor
格拉尔德·勒尔东
吉勒斯·卡努瓦
西里尔·坎泰莱
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Faurecia Systemes dEchappement SAS
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Faurecia Systemes dEchappement SAS
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Publication of CN106168154A publication Critical patent/CN106168154A/en
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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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • 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
    • F01N3/02—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
    • 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
    • F01N13/004—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 specially adapted for marine propulsion, i.e. for receiving simultaneously engine exhaust gases and engine cooling water
    • 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1872—Construction facilitating manufacture, assembly, or disassembly the assembly using stamp-formed parts or otherwise deformed sheet-metal
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
    • 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
    • F01N3/0222—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 the structure being monolithic, 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
    • F01N3/02—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
    • F01N3/033—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 in combination with other devices
    • F01N3/035—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 in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate 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
    • F01N3/08—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
    • 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
    • F01N3/2878—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration by using non-elastic means for retaining catalyst body in the housing, e.g. a metal chamfer, or by corrugation or deformation of the metal 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
    • F01N2350/04—Fitting ceramic monoliths in a metallic housing with means compensating thermal expansion
    • 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
    • F01N2450/22—Methods or apparatus for fitting, inserting or repairing different elements by welding or brazing
    • 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
    • F01N2450/28—Methods or apparatus for fitting, inserting or repairing different elements by using adhesive material, e.g. cement
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Ocean & Marine Engineering (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

A kind of component (10), including：For purifying at least one purification block (14) of exhaust；Shell (12), the shell (12) has the inner surface (13) around purification block (14), shell (12) defines the channel for making exhaust cycle, wherein purification block (14) is accommodated in the shell；And it is used to support at least one element (16) of purification block (14), at least one described element (16) is placed between the inner surface (13) of shell (12) and the side wall (15) of purification block (14).The inner surface (13) of shell (12) includes towards purification block (14) at least one portion outstanding (18), and support component (16) is placed between the side wall (15) and the protruding portion (18) of purification block (14).

Description

The exhaust gas purification component of outside dimensional standards
Technical field
The present invention relates to a kind of for purifying the component of exhaust, and the external dimensions of the component is standardized.
Background technique
Purification component is designed for insertion into such as sea vehicles, motor vehicles especially truck, special-purpose vehicle especially It is in the gas exhaust piping of the purifying station engine of building site vehicle or stationary engine especially steam power plant.
Purification component especially includes being used in the housing with accommodating the shell for being bound the channel of exhaust cycle In the block of purification exhaust.
Purifying block is, for example, particulate filter or catalytic purification component.More specifically, particulate filter is by following filter materials Material is made, and the filtering material is enough to allow to be vented by porosity to be passed through but its aperture is small enough to ensures by particle, especially Soot dust granule is maintained at the monoblock type on the upstream face of filter ceramic (monolithic ceramic) or silicon carbide structure shape At.
Purification component further includes being placed in shell and purifying to be used to support the element for purifying block between block.
It should be pointed out that the size of purification block is difficult to control, allow the size of a purification block net with another The size for changing block is different.
On the other hand, it is properly inserted in gas exhaust piping in order to which component will be purified, a purification component and another purification structure Part should be constant in the external dimensions of shell.
Therefore, it is necessary to the support component of various sizes be provided, so that the ruler for being sized to fit into purification block of support component Very little, this is related to complicated logistics.In addition, this support component is generally all more expensive.Therefore, the price of conventional purification component Cost may be relatively high.
The purpose of the present invention makes up the disadvantage to find especially by the purification component for providing a kind of cost reduction.
Summary of the invention
For this purpose, the purpose of the present invention it is especially a kind of for purify exhaust component, including：
For purifying at least one block of exhaust；
Shell, the shell have the inner surface around the purification block, and the shell is defined for making exhaust cycle Channel, the purification block are accommodated in the shell；And
It is used to support at least one element of the purification block, at least one described element is placed in the described of the shell Between inner surface and the side wall of the purification block,
It is characterized in that, the inner surface of the shell include towards purification block at least one portion outstanding, The support component is placed between the side wall and the protruding portion of the purification block,
Wherein, the purification block be in parallelepiped, and the purification block have in a longitudinal direction length L, with There is the first width l in the first vertical transverse direction of the longitudinal direction1And it is vertical with the longitudinal direction and with institute Stating in the second vertical transverse direction of the first transverse direction has the second width l2,
And wherein, in first transverse direction：
h1=F1(H1；l1；BW；GBD；Ep)
Also, in second transverse direction：
h2=F2(H2；l2；BW；GBD；Ep)
Wherein：
h1It is height of the first protruding portion of the shell in first transverse direction；
h2It is height of the second protruding portion of the shell in second transverse direction；
F1It is first function；
F2It is second function；
H1It is first external dimensions of the shell in first transverse direction, and H2It is the shell described The second external dimensions in second transverse direction；
EPIt is the thickness to form multiple walls of the shell；
BW is the base weight of each support component；
GBD is the given gas volume density of the purification component.
According to the present invention, the size difference between different purification blocks be by produce on an interior surface of the housing protruding portion come Compensation.
This protruding portion can be according to the size and corresponding support component of purification block with simple, economic and accurate side Formula manufacture.For example, in the preferred embodiment, protruding portion is produced by punching press.
Therefore, the present invention does not need to make support component to adapt to purification block, this can to substantially reduce that manufacturing cost provides Energy property, can usually be reduced to original one third.
Purification component according to the present invention can also include one or several features in following characteristics, these features can be with Individually using or according to it is all technically it is contemplated that be combined.
Each protruding portion is the area deep-draw (deep-drawn).
Purify the cross section of block and shell with substantially similar shape --- especially there is polygonal shape, preferably Quadrangle form, such as square, rectangle or trapezoidal shape.
Each protruding portion extends for less than the height of 3.5mm as protrusion.
Shell includes ribs, and ribs is preferably arranged on the outer surface of the shell.
Shell includes two half shells to link together.
Half shell is for example covered by welding by connecting element in its junction.
The inner surface of shell includes the multiple walls separated by corner, and each wall includes at least one protruding portion.
The inner surface of shell includes at least two protruding portions, these protruding portions extend different height as protrusion.
The invention further relates to a kind of for manufacturing the method for purifying component as defined by previously, it is characterised in that this method Including：
For the step of measuring the size of purification block, the purification block is in parallelepiped, and the purification block is vertical There is on direction with length L, in first transverse direction vertical with the longitudinal direction the first width l1And with The longitudinal direction vertically and in the second transverse direction vertical with first transverse direction has the second width l2, and
For the step of producing each protruding portion, each protruding portion depends on the prominent phase of size of the purification block measured The height answered, so that：
In first transverse direction：
h1=F1(H1；l1；BW；GBD；Ep)
Also, in second transverse direction：
h2=F2(H2；l2；BW；GBD；Ep)
Wherein：
h1It is height of the first protruding portion (18) of the shell in first transverse direction；
h2It is height of the second protruding portion (18) of the shell in second transverse direction；
F1It is first function；
F2It is second function；
H1It is first external dimensions of the shell in first transverse direction, and H2It is the shell described The second external dimensions in second transverse direction；
EPIt is the thickness to form multiple walls of the shell；
BW is the base weight of each support component；
GBD is the given gas volume density of the purification component.
Manufacturing method according to the invention may include independent uses or as any feature in combined following characteristics.
Manufacturing method further includes the steps that for weighing to each support component, the height of each protruding portion is also Corrresponding quality (mass) depending on each support component measured.
Manufacturing method include the steps that for by each support component particularly pass through adhesive be assembled in purification block on And the step of being subsequently used for for shell being assembled in around purification block so that each support component be clamped in purification block with it is right Between the protruding portion answered.
Detailed description of the invention
By read it is following be merely given as examples and referring to the description that attached drawing is done, the present invention will be by more preferable geographical Solution, in the accompanying drawings：
- Fig. 1 is the exploded perspective view of purification component according to an illustrative embodiment of the invention；
- Fig. 2 is the perspective view of the half shell of the purification component of Fig. 1；
- Fig. 3 as exploded view be Fig. 1 purification component cross-sectional view；
- Fig. 4 is cross-sectional view of the purification component of Fig. 1 when assembled；
- Fig. 5 to Fig. 7 is analogous to the view of Fig. 4, and three it illustrates the shell being assemblied in outside purification component are corresponding Alternative solution；And
- Fig. 8 schematically shows the step of method of purification component for manufacturing Fig. 1.
Specific embodiment
It shows a kind of for purifying the purification component 10 of exhaust in Fig. 1, is designed to be inserted into marine delivery work In the gas exhaust piping of tool.
Purify component 10 include be usually metal shell shell 12, shell 12 in the present embodiment by be designed to by Two the half shells 12A and 12B fitted together are formed.
In this example, each half shell 12A, 12B has generally oblong shape on longitudinal direction X, and vertical In on the transverse plane of longitudinal direction X have L tee section.Therefore each half shell 12A, 12B is formed there are two wall, each wall is equal Direction X is transversely to the machine direction in free longitudinal edge and is bound between the edge of another wall and extends.These half shells 12A, 12B It is by by the freedom of the free longitudinal edge of each wall of an one of half shell wall corresponding with another half shell Longitudinal edge connects to assemble.
Shell 12 includes the inner surface 13 defined for making the channel of exhaust cycle.Shell 12 is designed in exhaust line Upstream side, which is connected to limit the dispersion cone for the entrance of exhaust and be connected to towards downstream side, limits going out for exhaust The convergence cone of mouth.The entrance is connected to the manifold of discharge pipe line, and the exhaust of the combustion chamber of engine is left in manifold capture.It should Outlet is connected to casing, and exhaust is released in atmosphere by the casing after purging.Upstream side and downstream side are phase herein For the normal circulation direction of exhaust.
Purification component 10 further includes that purification block 14, usually particulate filter or the catalysis for being purified to exhaust are net Change component.
Catalytic purification component is usually formed by the structure of gas-permeable, which, which is for example covered with, promotes burning gases oxygen The catalytic metal of change and/or nitrogen oxides reduction.
Particulate filter is made of following filtering materials：The filtering material by porosity be enough to allow to be vented across entirety Formula ceramics or silicon carbide structure are formed.As known per se, the diameter of hole, which is selected to be small enough to, ensures particle and outstanding It is that soot dust granule is maintained on the upstream face of filter.Particulate filter can also be by cartridge filter or sintered metal filtration Device is formed.
In the described example, purification block 14 has the section of general square shape shape.Alternatively, purification block 12 can be with With following sections：The section has any polygonal shape, preferably quadrangle, such as rectangle or trapezoidal.
Relative to the lateral dimension of shell 12, the purification block 14 with reduced lateral dimension is accommodated in the circulation canal In.Therefore, shell 12 defines that exhaust passes through purification block 14 circulation until the channel of outlet from entrance in inside, and exhaust is passing through It is cleaned when the purification block 14.
Purification block 14 is defined by side wall 15, and side wall 15 turns to shell 12 and defines together with the inner surface of the shell 12 13 Peripheral space.
The section that shell 12 has shape similar with the shape of block 14 is purified.Therefore, the side wall 15 for purifying block 14 is substantially flat Row is in the inner surface 13 of shell 12.
Purifying component 10 further includes support component 16, which is designed to be placed in purification block 14 and shell 12 Between.
More particularly, support component 16 is located in the peripheral space, and each support component 16 is placed in shell 12 Inner surface 13 and corresponding to purification block 14 side wall 15 between.More particularly, as being particularly shown in Fig. 3, support component 16 At least one component be positioned to for environmental decontamination block 14.Advantageously, multiple this components distributions of support component 16 are net In the length for changing block 14.
Each support component 16 is for example formed by metal braid or mesh.In the case where mesh, mesh is special It is not made of expanding material, or is alternatively made of non-expansive material.
Each support component 16 outwards supports on housing 12, and is upcountry supported on purification block 14.Cause This, each support component applies transverse pressure on purification block 14.
When purify block 14 receiving be parallel to the longitudinal force of longitudinal direction X when and/or when purification block 14 bear perpendicular to When the cross force of longitudinal direction X, support component 16, which helps that block 14 will be purified, to be held in place.When purification block 14 bears longitudinal force When, the friction between the purification block 14 and support component 16 and between support component 16 and shell 12 is so that purification 14 phase of block Displacement for shell 12 is very limited.
In order to obtain this effect, need for support component 16 to be mounted in peripheral space with packing density appropriate.Peace Dress density refers to the density of support component 16 at room temperature.Packing density is also referred to as " gas volume density " (Gap Bulk Density, GBD).
The density should not be too low, and reason is：Due to shell under the action of longitudinal stress, particularly under high-temperature 12 and purification block 14 between differential expansion --- this causes the thickness of peripheral space to increase, purify block 14 will then be difficult to phase Shell 12 is held in place.It is expanded it should be noted that this differential expansion is often as shell 12 than purification block 14 It obtains caused by the fact more.
In order to avoid damage purifies block 14, especially in the long run, packing density also should not be excessively high.
In order to obtain packing density appropriate, the inner surface 13 of shell 12 includes at least one protruding portion 18, it is described at least One protruding portion 18 is towards the circulation canal for exhaust therefore towards purification block 14, so that each support component 16 is placed in It purifies the corresponding side wall 15 of block 14 and is arranged between the protruding portion 18 towards the side wall 15.
These protruding portions 18 provide the possibility of control packing density in the case where not changing the overall dimension of shell 12 Property.Therefore, regardless of the size for purifying block 14, shell 12 is all with the external dimensions of standard.
Each protruding portion 18 is such as deep-draw region, the deep-draw region can by conventional Sheet Metal Forming Technology with it is simple, Economic and accurate mode is produced.Therefore, each protruding portion 18 forms recess portion on the outer surface of shell 12 21.
Depending on purifying the size and support component 16 of block 14, each protruding portion 18 extends predetermined height as protrusion Degree.In view of one purify block and another purification block size in terms of variation, the predetermined altitude be usually less than 3.5mm, For example, about it is equal to 1.5mm.
It should be noted that each wall of shell 12 includes at least a protruding portion 18.More particularly, the two of shell 12 A opposite wall --- wall surface to another wall --- is usually provided with protruding portion 18, the height quilt of these protruding portions 18 It determines at allowing to stop together to purify block 14.The not necessarily height having the same of these protruding portions 18 toward each other.
In addition, the protruding portion 18 produced on two adjacent walls of shell 12 has extended generally different height.
Advantageously, as shown in Figure 2, shell 12 preferably includes ribs 20, and ribs 20 is specifically arranged in the shell On the outer surface 21 of body 12.In the described example, ribs 20 is the longitudinal edge cloth along each half shell 12A, 12B Set, and ribs 20 be for example by formed intersect be arranged on the same wall of shell 12 on longitudinal direction X Between two adjacent protrusions 18.
As previously mentioned, shell 12 by two half shells 12A, 12B that welding fits together by for example being formed.
In order to reinforce the leakproofness at the joint portion between half shell 12A, 12B, connecting element 22 is preferably by covering It covers the joint portion and arranges and half shell 12A, 12B is for example assembled to by welding.Each connecting element 22 is for example It has features designed to by the corner covering of shell and more particularly by the longitudinal edge covering of half shell 12A, 12B in the section L Ruler shape.
It, can also be with it will be noted that the shape of shell 12 above-mentioned is only non-limiting example, and will be noted that Consider other shapes.
Particularly, the first alternative embodiment according to shown in Fig. 5, half shell 12A and 12B do not have any L shape Section, but there is U-shaped section.In this case, in order to improve leakproofness, each half shell 12A, 12B respectively has portion Overlapping longitudinal edges 24A, the 24B for dividing ground to cover the correspondence longitudinal edge of another half shell.
According to the second alternative embodiment shown in Fig. 6, a half shell in half shell 12A or 12B includes two A overlapping longitudinal edges, overlapping edge is covered each by the longitudinal edge of another half shell longitudinally in each.
Third alternative embodiment according to the illustration shown in Figure 7, shell 12 is with environmental decontamination block 14 and support component 16 Single part is formed.In this case, which includes longitudinal edge 26, which will cover opposite longitudinal direction Edge.
Other alternative embodiments can also be provided.For example, can provide environmental decontamination block 14 is in single part Shell 12, there are two longitudinal edges for being assembled to corner and the two longitudinal edges in the alternative form with Fig. 4 The identical mode of mode covered by connecting element 22.
The method for being used to manufacture purification component 10 will be described now.
The manufacturing method includes the steps that the size 100 for measuring purification block 14 first.Advantageously, this method further includes Step 110 for weighing to each support component 16.
This method then includes the steps that, for producing each protruding portion 18 120, each protruding portion 18 especially takes Certainly certain altitude is highlighted in the size of the purification block 14 measured.This highly advantageous additionally depends on each support component measured 16 quality.
Thus it is ensured that the appropriate height of protruding portion 18 is to obtain optimal packing density.Those skilled in the art The height of protruding portion 18 will be readily selected according to the size of purification block 14 and the quality of support component 16.
The sample calculation of the height of protruding portion 18 is described in detail below.
In this computation：
Block 14 is purified in parallelepiped, and purify block 14 there is length L on longitudinal direction X, be transversely to the machine direction There is the first width l in the first transverse direction of direction X1And it is being transversely to the machine direction direction X and perpendicular to the first transverse direction The second transverse direction on have the second width l2；
Shell 12 has the first external dimensions H in the first lateral direction1And have second in the second transverse direction External dimensions H2；
Shell 12 is by with thickness EpWall be made；
Shell has the first protruding portion 18 in the first lateral direction, and each first protruding portion 18 all has height h1；
Shell has the second protruding portion 18 in the second transverse direction, and each second protruding portion 18 all has height h2；
Each support component 16 all has base weight BW；
Purifying component 10 has gas volume density GBD；
Purification block 14 and each first protruding portion 18 between in the first transverse direction have corresponding first gap g1, each gap receives corresponding support component 16,
Purification block 14 and each second protruding portion 18 between in the second transverse direction have corresponding second gap g2, each gap receives corresponding support component 16,
It should be noted that the base weight BW of support component can be given nominal value, or it can be basisCome what is measured, wherein m is the quality of support component, and s is the area of the support component.
In the first lateral direction:
H1=l1+2×g1+2×Ep+2×h1
Therefore：
It should be noted that
GBD corresponds to the given value of the packing density appropriate.
To,
Therefore,
In an identical manner, in the second transverse direction：
This method further includes that each supporting member 16 is assembled into purification by the mode for combining especially by adhesive Step 130 on block 14.Advantageously, each support component 16 also all has adhesive on the face towards shell.
This method then includes for shell 12 to be assembled into around purification block 14, is found each support component 16 The step 140 being clamped between purification block 14 and corresponding protruding portion 18.
The assembling steps 140 are, for example, to be implemented by being directly closed into shell 12 around purification block 14.
Alternatively, shell 12 is assembled individually, and then, will be provided with the purification block 14 of support component 16 forcibly It is introduced into the channel for gas circulation defined by shell 12.
It will be noted that the present invention is not limited to embodiment above-mentioned, but it can have various alternative forms.
For example, following purification components can be provided：The purification component includes by rows of mode and/or by stacking Several purification blocks that mode assembles, to form the purification being made of several blocks.In this case, by with elder generation The identical mode of mode of the treatment and purification block 14 of preceding description handles the purification, purifies being made similar to aforementioned for component Purification component is made.
It will also be pointed out that purification component according to the present invention can be used in the occasion in addition to marine vehicles, It is used for example in automobile.

Claims (14)

1. it is a kind of for purify exhaust purification component (10), including：
For purifying at least one purification block (14) of exhaust, at least one described purification block (14) has side wall (15)；
Shell (12), the shell (12) have the inner surface (13) around purification block (14), and the shell (12) is defined For making the channel of exhaust cycle, the purification block (14) is accommodated in the shell (12)；And
It is used to support at least one support component (16) of purification block (14), at least one described support component (16) is set Between the inner surface (13) of the shell (12) and the side wall (15) of purification block (14),
Wherein, the inner surface (13) of the shell (12) includes towards the purification block (14) at least one protrusion outstanding Portion (18), the support component (16) are placed between the side wall (15) and the protruding portion (18) of purification block (14),
It is characterized in that, the purification block (14) is in parallelepiped, and the purification block (14) has on longitudinal direction (X) There is length L, there is the first width l in the first transverse direction vertical with the longitudinal direction (X)1And it is indulged with described There is the second width l in the second transverse direction vertical and vertical with first transverse direction to direction (X)2,
And wherein, in first transverse direction：
h1=F1(H1；l1；BW；GBD；Ep)
Also, in second transverse direction：
h2=F2(H2；l2；BW；GBD；Ep)
Wherein：
h1It is first height in first transverse direction in the protruding portion (18) of the shell；
h2It is second height in second transverse direction in the protruding portion (18) of the shell；
F1It is first function；
F2It is second function；
H1It is first external dimensions of the shell (12) in first transverse direction, and H2It is that the shell (12) exists The second external dimensions in second transverse direction；
EPIt is the thickness to form multiple walls of the shell (12)；
BW is the base weight of each support component (16)；
GBD is the given gas volume density of purification component (10).
2. purification component (10) according to claim 1, wherein each protruding portion (18) is the protrusion of protuberance.
3. purification component (10) according to claim 1 or 2, wherein the purification block (14) and the shell (12) tool There is the section of similar approximate quadrangle shape.
4. purification component (10) according to claim 1 or 2, wherein each protruding portion (18) extends and highlights small In the height of 3.5mm.
5. purification component (10) according to claim 1 or 2, wherein the shell (12) includes outer surface (21), and The shell (12) includes the ribs (20) being arranged on the outer surface (21) of the shell (12).
6. purification component (10) according to claim 1 or 2, wherein the shell includes two half-shells being connected to each other Body (12A, 12B).
7. purification component (10) according to claim 6, wherein described two half shells (12A, 12B) are in its junction It is covered by connecting element (22).
8. purification component (10) according to claim 1 or 2, wherein the inner surface (13) of the shell (12) wraps The multiple walls separated by corner are included, each wall includes at least one protruding portion (18).
9. purification component (10) according to claim 1 or 2, wherein the inner surface (13) of the shell (12) wraps It includes at least two protruding portions (18), the protruding portion (18) extends and highlights different height.
10. purification component (10) according to claim 1, wherein
In first transverse direction：
Also, in second transverse direction：
。
11. method of the one kind for manufacturing purification component (10) according to claim 1, it is characterised in that the method packet It includes：
For the step of measuring the size of purification block (14) (100), the purification block (14) is in parallelepiped, and Purification block (14) has length L, in first transverse direction vertical with the longitudinal direction (X) on longitudinal direction (X) It is upper that there is the first width l1And it is horizontal vertical with the longitudinal direction (X) and vertical with first transverse direction second There is the second width l on direction2, and
For the step of each protruding portion (18) are made (120), each protruding portion (18) depends on the purification block measured (14) the prominent corresponding height of size, so that：
In first transverse direction：
h1=F1(H1；l1；BW；GBD；Ep)
Also, in second transverse direction：
h2=F2(H2；l2；BW；GBD；Ep)
Wherein：
h1It is first height in first transverse direction in the protruding portion (18) of the shell；
h2It is second height in second transverse direction in the protruding portion (18) of the shell；
F1It is first function；
F2It is second function；
H1It is first external dimensions of the shell (12) in first transverse direction, and H2It is that the shell (12) exists The second external dimensions in second transverse direction；
EPIt is the thickness to form multiple walls of the shell (12)；
BW is the base weight of each support component (16)；
GBD is the given gas volume density of purification component (10).
12. manufacturing method according to claim 11 further includes the step for weighing to each support component (16) Suddenly (110), the height of each protruding portion (18) additionally depend on the corrresponding quality of each support component (16) measured.
13. manufacturing method according to claim 11 or 12, including it is described for each support component (16) to be assembled in It purifies the step (130) on block (14) and is subsequently used for being assembled in the shell (12) around the purification block (14) The step of (140) so that each support component (16) be clamped in the purification block (14) and corresponding protruding portion (18) it Between.
14. manufacturing method according to claim 13, wherein described described for each support component (16) to be assembled in The step (130) purified on block (14) is bonded execution by binder.
CN201610344268.6A 2015-05-22 2016-05-23 The exhaust gas purification component of outside dimensional standards Expired - Fee Related CN106168154B (en)

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US11208934B2 (en) 2019-02-25 2021-12-28 Cummins Emission Solutions Inc. Systems and methods for mixing exhaust gas and reductant

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US4256700A (en) * 1979-04-16 1981-03-17 General Motors Corporation Catalytic converter with air tube
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