CN201474759U - Catalysis and purification device for vehicle tail gas and catalytic agent carrier of device - Google Patents
Catalysis and purification device for vehicle tail gas and catalytic agent carrier of device Download PDFInfo
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- CN201474759U CN201474759U CN200920150401XU CN200920150401U CN201474759U CN 201474759 U CN201474759 U CN 201474759U CN 200920150401X U CN200920150401X U CN 200920150401XU CN 200920150401 U CN200920150401 U CN 200920150401U CN 201474759 U CN201474759 U CN 201474759U
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- catalyst carrier
- central part
- tail gas
- carrier
- intercommunicating pore
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- 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
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model relates to a catalysis and purification device for vehicle tail gas and a catalytic agent carrier of the device. The catalytic agent carrier comprises a central part and a peripheral part, wherein the central part includes a middle wall and an inner carrier structure arranged in the inner space of the middle wall; and the peripheral part is arranged at the periphery of the outer side of the middle wall and includes an outer wall and an outer side carrier structure arranged between the outer side wall and the middle wall. The purification device for vehicle tail gas comprises the catalytic agent carrier, a connection part connecting the central part and the peripheral part, two air flow guiding parts respectively connecting the central part and the peripheral part, and catalytic agent applied to the catalytic agent carrier. In the utility model, the peripheral part not only can preserve the heat for the central part, but also can provide the catalytic agent of the central part with the heat and chemistry constituents, so as to quicken the reaction speed and improve the tail gas purification efficiency.
Description
Technical field
The utility model relates to a kind of catalytic purification of motor vehicle tail gas device, particularly relates to a kind of heat energy that effectively utilizes tail gas, improves the catalytic purification of motor vehicle tail gas device and the catalyst carrier thereof of purification efficiency.
Background technique
Using the tail gas catalytic purification technology is the effective way that reaches emission standard.The split type catalytic purifier of general at present employing is to reach the purpose of different harmful substances in the cleaning of off-gas.Such as, gasoline fueled motor vehicle is generally installed two catalytic converters, and one is installed near the catharsis of motor-driven vehicle gas outlet when being used for cold start-up, a catharsis that then is installed in when being used for Motor Vehicle below the vapour vehicle chassis and running well.For diesel engine vent gas purifies, even need three above catalyticing conversioning equipments in order to carbon monoxide, hydrocarbon, particulate matter and nitrogen oxide in the difference cleaning of off-gas.
For example, Chinese invention patent application publication number CN101050717A " Exhaust gas purifying device ", it has two Exhaust gas purifying devices, and first Exhaust gas purifying device is arranged on after the gas exhaust manifold, and another is arranged on after the outlet pipe.This mounting type takes up room, and influences the compact design requirement of Motor Vehicle.Significant disadvantages is to fail effectively to utilize the heat energy of tail gas to make catalyzer reach desired operating temperature more, to such an extent as to cause purification efficiency to reduce.
This shows that above-mentioned existing catalytic purification of motor vehicle tail gas device obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem that the catalytic purification of motor vehicle tail gas device exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of catalytic purification of motor vehicle tail gas device that has that volume is little, cost is low concurrently and can have the new structure of comprehensive adjustment function when using, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Because the defective that above-mentioned existing catalytic purification of motor vehicle tail gas device exists, the inventor is based on being engaged in this type of product specification manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of catalytic purification of motor vehicle tail gas device of new structure, can improve general existing catalytic purification of motor vehicle tail gas device, make it have more practicability.Through constantly research, design, and after studying sample and improvement repeatedly, create the utility model that has practical value finally.
Summary of the invention
The purpose of this utility model is, overcome the defective that existing catalytic purification of motor vehicle tail gas device exists, and provide a kind of catalytic purification of motor vehicle tail gas device and catalyst carrier thereof of new structure, technical problem to be solved is to make it can effectively utilize the heat energy of tail gas, improve purification efficiency, thereby be suitable for practicality more.
The purpose of this utility model and to solve its technical problem be to adopt following technological scheme to realize.According to the catalyst carrier of a kind of catalytic purification of motor vehicle tail gas device that the utility model proposes, it comprises: central part comprises midfeather and is arranged at the interior carrier structure of the inner space of this midfeather; And outer part, be arranged at the outer periphery of this central part, comprise outer side wall and be arranged at this outer side wall and this midfeather between outside carrier structure.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid catalyst carrier, wherein said interior carrier structure and outside carrier structure can be space network, three-dimensional porous foam structure or cellular structure.
Aforesaid catalyst carrier, wherein said interior carrier structure comprises a plurality of centers intercommunicating pore that connects these central part two ends, center hole wall between the intercommunicating pore of described a plurality of centers, wherein said outside carrier structure, comprise a plurality of outsides intercommunicating pore that connects these outer part two ends, the outside hole wall between the intercommunicating pore of described a plurality of outsides.
Aforesaid catalyst carrier, one of them is provided with the cinclides that is communicated with adjacent two center intercommunicating pores or outside intercommunicating pore at least in wherein said center hole wall and this outside hole wall.
Aforesaid catalyst carrier, at least one intercommunicating pore wherein in wherein said a plurality of centers intercommunicating pore and the described a plurality of outsides intercommunicating pore, any position is provided with the type of tamper evidence of stopping up this intercommunicating pore in the longitudinal direction.
Aforesaid catalyst carrier, wherein said central part and outer part are one-body molded or divide body formed.
Aforesaid catalyst carrier, the sectional area of wherein said central part are 5%～95% of outer part sectional areas.
Aforesaid catalyst carrier, the material of wherein said central part are space pottery or metal, and the material of outer part is space pottery or metal.
Aforesaid catalyst carrier, wherein said space pottery is steinheilite, mullite or silicon carbide, wherein said space metal is a nickel alumin(i)um alloy.
Aforesaid catalyst carrier, preferably cylindrical, also can be other shape.
The purpose of this utility model and to solve its technical problem be also to adopt following technological scheme to realize.According to a kind of catalytic purification of motor vehicle tail gas device that the utility model proposes, it comprises: above-mentioned catalyst carrier; Interconnecting part is arranged at an end of this catalyst carrier, is communicated with this central part and outer part; Two air-flow guide portions are arranged on the other end of this catalyst carrier, and one of them air-flow guide portion is communicated with this central part, and wherein another air-flow guide portion is communicated with outer part; And catalyzer, be coated on this interior carrier structure of this catalyst carrier and this outside carrier structure.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid catalytic purification of motor vehicle tail gas device, wherein said catalyzer are selected from the group that is made up of three-way catalyst, carbon monoxide oxidation catalyst, oxidizing hydrocarbon catalyzer, conversion of nitrogen oxides catalyzer and soot dust granule thing oxidation catalyst one or more.
Aforesaid catalytic purification of motor vehicle tail gas device, wherein said interconnecting part also is provided with the material feeding mouth of input air or chemical material.
Aforesaid catalytic purification of motor vehicle tail gas device, wherein said interconnecting part also are provided with the deflector apron that changes gas flow.
The utility model compared with prior art has tangible advantage and beneficial effect.By technique scheme, the utility model catalytic purification of motor vehicle tail gas device and catalyst carrier thereof can reach suitable technological progress and practicability, and have the extensive value on the industry, and it has following advantage at least:
1, the utility model catalytic purification of motor vehicle tail gas device and catalyst support structures thereof are simple, manufacture cost reduces relatively, thereby can significantly reduce cost, increase economic efficiency, on practicability of using and cost benefit, really it is required to meet industry development fully, quite has industrial utilization.
2, the utility model catalytic purification of motor vehicle tail gas device and catalyst carrier thereof, respectively with the catalyst-coated of different efficacies in different carrier location, the outer part of catalyzer not only can be incubated central part, and can provide heat and chemical component that its reaction velocity is accelerated for the catalyzer of core, transformation efficiency improves.
3, the utility model catalytic purification of motor vehicle tail gas device and catalyst carrier thereof, especially under Motor Vehicle cold start-up situation, can fast lifting core catalyst temperature, before Motor Vehicle reaches proper functioning, with the pollutant instant purifying of maximum emission period.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the schematic perspective view of the catalyst carrier preferred embodiment of the utility model catalytic purification of motor vehicle tail gas device.
Fig. 2 is another embodiment's of catalyst carrier of the utility model catalytic purification of motor vehicle tail gas device a cross-sectional schematic.
Fig. 3 is a catalyst carrier embodiment the cross-sectional schematic again of the utility model catalytic purification of motor vehicle tail gas device.
Fig. 4 is the another embodiment's of catalyst carrier of the utility model catalytic purification of motor vehicle tail gas device a cross-sectional schematic.
Fig. 5 is the cross-sectional schematic of the utility model catalytic purification of motor vehicle tail gas device preferred embodiment.
Fig. 6 is the cross-sectional schematic of another preferred embodiment of the utility model catalytic purification of motor vehicle tail gas device.
Fig. 7 is the utility model catalytic purification of motor vehicle tail gas device cross-sectional schematic of a preferred embodiment again.
Fig. 8 is the cross-sectional schematic of the another preferred embodiment of the utility model catalytic purification of motor vehicle tail gas device.
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to its embodiment of catalytic purification of motor vehicle tail gas device, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.
Seeing also Fig. 1 to shown in Figure 4, is respectively schematic perspective view, another embodiment's cross-sectional schematic, an embodiment cross-sectional schematic and another embodiment's the cross-sectional schematic again of preferred embodiment of the catalyst carrier of the utility model catalytic purification of motor vehicle tail gas device.
The catalyst carrier 1 of the catalytic purification of motor vehicle tail gas device of preferred embodiment of the present utility model comprises: central part 11 and be arranged at the outer part 12 of the outer periphery of this central part 11.
Described central part 11 comprises midfeather 111 and is arranged at the interior carrier structure 112 of the inner space of this midfeather 111.This midfeather 111 can be the tubular structure that two ends are communicated with.This interior carrier structure 112 can be space network, three-dimensional porous foam structure or cellular structure.In the preferred embodiment, this interior carrier structure 112 comprises a plurality of centers intercommunicating pore 1121 that connects these central part 11 two ends, the center hole wall 1122 between the intercommunicating pore of described a plurality of centers.
Described outer part 12 is arranged at the outer periphery of this midfeather 111, comprises outer side wall 121 and is arranged at outside carrier structure 122 between this outer side wall 121 and this midfeather 111.This outer side wall 121 can be the tubular structure that two ends are communicated with.This outside carrier structure 122 can be space network, three-dimensional porous foam structure or cellular structure.In the preferred embodiment, this outside carrier structure 122 comprises a plurality of outsides intercommunicating pore 1221 that connects these outer part two ends, the outside hole wall 1222 between the intercommunicating pore of described a plurality of outsides.
Described central part 11 can be one-body molded or divide body formed with outer part 12.
The material of described central part 11, outer part 12 can be identical, also can be inequality; The material of central part 11, outer part 12 can be pottery or metal.Described pottery is steinheilite, mullite or silicon carbide, and wherein said metal can be a nickel alumin(i)um alloy.
Described catalyst carrier 1 can be an arbitrary shape, is preferably cylindrically, and the two ends of catalyst carrier 1 are communicated with.At this moment, the diameter of this central part 11 is 5%～95% of outer part 12 diameters.Perhaps the sectional area of central part 11 is 5%～95% of outer part 12 sectional areas
As shown in Figure 3, in other embodiments, one of them is provided with the cinclides 1123,1223 that is communicated with adjacent two center intercommunicating pores 1121 or outside intercommunicating pore 1221 at least in aforesaid center hole wall 1122 and this outside hole wall 1222; Wherein any position at least one intercommunicating pore 1121,1221 is provided with the type of tamper evidence 113,123 of stopping up this intercommunicating pore 1121,1221 in described a plurality of centers intercommunicating pore 1121 and described a plurality of outsides intercommunicating pore 1221.This cinclides and this type of tamper evidence can be wall-flow type so that tail gas passes hole wall 1123,1223 circulations.
Seeing also Fig. 5, shown in Figure 6, is the cross-sectional schematic of the utility model catalytic purification of motor vehicle tail gas device preferred embodiment and the cross-sectional schematic of another preferred embodiment.Catalytic purification of motor vehicle tail gas device of the present utility model comprises any one above-mentioned catalyst carrier 1, interconnecting part 2, two air- flow guide portions 3,4 and catalyzer.
Described interconnecting part 2 is arranged at an end of this catalyst carrier 1, is communicated with this central part 11 and outer part 12.This interconnecting part 2 has the arc design of air-guiding.This interconnecting part 2 also is provided with the material feeding mouth 22 and the deflector apron 21 (as shown in Figure 6) of gas or liquid.Can be by these material feeding mouth 22 input airs or required gas or the aqueous chemical material of catalytic oxidation.This deflector apron 21 changes the gas flow direction.
Described two air- flow guide portions 3,4 are arranged on the other end of this catalyst carrier 1, and one of them air-flow guide portion 4 is communicated with this central part 11, and wherein another air-flow guide portion 3 is communicated with 12 with outer part.3,4 ones of this air-flow guide portions can be designed as arcuate structure, with steering flow.
Described catalyzer is coated on the interior carrier structure 112 and the outside carrier structure 122 of this catalyst carrier 1.This catalyzer is selected from the group that is made up of three-way catalyst, carbon monoxide oxidation catalyst, oxidizing hydrocarbon catalyzer, conversion of nitrogen oxides catalyzer and soot dust granule thing oxidation catalyst one or more.
Described catalytic purification of motor vehicle tail gas device also comprises shell 5, and this catalyst carrier 1 is arranged in this shell 5.
The following describes the working procedure of the utility model catalytic purification of motor vehicle tail gas device.As shown in Figure 5, the direction of arrow is the motor-vehicle tail-gas route of flowing through.Motor-vehicle tail-gas is flowed through route also can be opposite with the direction of arrow.Motor-vehicle tail-gas is entered by air-flow guide portion 3, at first flows through the outer part 12 of catalyst carrier 1, carries out the catalyzed chemical reaction of phase I, the part harmful matter of purifying motor tail gas; Then motor-vehicle tail-gas flows through the central part 11 of catalyst carrier 1 via interconnecting part 2, through further chemical reaction, removes most harmful matters in the tail gas, and the tail gas after the purification is discharged by air-flow guide portion 4.In the time of oppositely, motor-vehicle tail-gas can be entered by air-flow guide portion 3 by air-flow guide portion 4 and discharge.
Embodiment 1:
The diesel engine vent gas arrangement for catalytic purification:
As shown in Figure 5, use columniform catalyst carrier 1.With respect to the diameter of outer part 12, choose correct central part 11 equivalent diameters, make the actual internal area of outer part 12 and central part 11 equate.Outer part 12 in catalyst carrier 1 applies carbon monoxide oxidation catalyst, carbon coating hydrogen compound oxidation catalyst on the central part 11 of catalyst carrier 1.The diesel engine vent gas arrangement for catalytic purification of making like this can be at outer part 12 carbon monoxide oxidations of lower temperature, and the temperature of central part 11 is raise, and then the hydrocarbon oxidation catalyst oxidation rate of central part 11 is accelerated.
Embodiment 2:
Petrol engine tail gas three-effect catalysis purification plant:
As shown in Figure 5, use columniform catalyst carrier 1.Choose correct core equivalent diameter, make the actual internal area of outer part 12 and central part 11 equate.On the outer part 12 of catalyst carrier 1, apply a kind of three-way catalyst that is used for purifying exhaust of petrol engine, the three-way catalyst when being used for cold start-up.On the central part 11 of catalyst carrier 1, apply another kind of three-way catalyst, the three-way catalyst when being used for hot operation.Single petrol engine tail gas three arrangement for catalytic purification of making like this can only be installed near on the position of motor, just can both bring into play purifying functions when cold start-up and heat operation.
Embodiment 3:
Diesel engine vent gas three-effect catalysis purification plant:
As shown in Figure 6, use columniform catalyst carrier 1, and center hole wall 1122 is provided with the cinclides 1123 that is communicated with adjacent two center intercommunicating pores 1121; Two end part at described a plurality of centers intercommunicating pore 1121 are arranged at intervals with intercommunicating pore type of tamper evidence 113.The outer part 12 of catalyst carrier 1 is a straight-through duct formula.On the outer part 12 of catalyst carrier 1, apply carbon monoxide and oxidizing hydrocarbon catalyzer 20.On the central part 11 of catalyst carrier 1, apply soot dust granule thing oxidation catalyst.The diesel engine vent gas three-effect catalysis purification plant of making like this can be on the outer part 12 of lower temperature oxidizing carbon monoxide and hydrocarbon, and the temperature of central part 11 is raise, and then the soot dust granule thing oxidation rate of central part 11 is accelerated.
Embodiment 4:
Diesel engine vent gas quadruple effect purification plant A:
As shown in Figure 7, use columniform catalyst carrier 1, and center hole wall 1122 is provided with the cinclides 1123 that is communicated with adjacent two center intercommunicating pores 1121; Neutral position at the part center of described a plurality of centers intercommunicating pore 1121 intercommunicating pore 1121 inducers and part center intercommunicating pore 1121 is provided with intercommunicating pore type of tamper evidence 113, makes that central part 11 inducers are wall-flow types.The outer part 12 of catalyst carrier 1 is a straight-through duct formula.On the outer part 12 of catalyst carrier 1, apply carbon monoxide and oxidizing hydrocarbon catalyzer.Inducer at the central part 11 of catalyst carrier 1 applies soot dust granule thing oxidation catalyst, and outlet section applies the conversion of nitrogen oxides catalyzer.The diesel engine vent gas quadruple effect purification plant A that makes like this can be on the outer part 12 of lower temperature carbon monoxide oxidation and hydrocarbon, and the temperature of central part 11 is raise, and then the soot dust granule thing catalytic oxidation of central part 11 is speeded up.The reducing agent that imperfect combustion carbon monoxide that generates from soot dust granule thing oxidation reaction and hydrocarbon can be used as downstream conversion of nitrogen oxides catalytic reaction helps conversion of nitrogen oxides.
Embodiment 5:
Diesel engine vent gas four purification plant B:
As shown in Figure 8, use columniform catalyst carrier 1, and center hole wall 1122 is provided with the cinclides 1123 that is communicated with adjacent two center intercommunicating pores 1121; Be provided with intercommunicating pore type of tamper evidence 113 at the part center of described a plurality of centers intercommunicating pore 1121 intercommunicating pore 1121 outlet end and intercommunicating pore 1121 neutral positions, part center, make that central part 11 outlet sections of catalyst carrier 1 are wall-flow types.The outer part 12 of catalyst carrier 1 is a straight-through duct formula.On the outer part 12 of catalyst carrier 1, apply carbon monoxide and oxidizing hydrocarbon catalyzer.Wall-flow type outlet section at the central part 11 of catalyst carrier 1 applies soot dust granule thing oxidation catalyst.The formula entrance applies the conversion of nitrogen oxides catalyzer in the straight-through duct of the central part 11 of catalyst carrier 1.The diesel engine vent gas four purification plant B that make like this can be at outer part 12 carbon monoxide oxidations and the hydrocarbon of lower temperature, and the temperature of central part 11 is raise, and then the conversion of nitrogen oxides catalytic reaction of central part 11 is speeded up.NO from the generation of conversion of nitrogen oxides catalytic reaction
2Help the soot dust granule thing oxidation catalyst in downstream just to start working at a lower temperature.
1, the utility model catalytic purification of motor vehicle tail gas device and catalyst support structures thereof are simple, manufacture cost reduces relatively, thereby can significantly reduce cost, increase economic efficiency, on practicability of using and cost benefit, really it is required to meet industry development fully, quite has industrial utilization.
2, the utility model catalytic purification of motor vehicle tail gas device, respectively with the catalyst-coated of different efficacies in different carrier location, the outer part of catalyzer not only can be incubated central part, and can provide heat and chemical component that its reaction velocity is accelerated for the catalyzer of central part, transformation efficiency improves.
3, the utility model catalytic purification of motor vehicle tail gas device and catalyst carrier thereof, especially under Motor Vehicle cold start-up situation, can fast lifting core catalyst temperature, before Motor Vehicle reaches proper functioning, with the pollutant instant purifying of maximum emission period.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. the catalyst carrier of a catalytic purification of motor vehicle tail gas device is characterized in that it comprises:
Central part comprises midfeather and is arranged at the interior carrier structure of the inner space of this midfeather; And
Outer part is arranged at the outer periphery of this central part, comprise outer side wall and be arranged at this outer side wall and this midfeather between outside carrier structure.
2. catalyst carrier according to claim 1 is characterized in that wherein said interior carrier structure is space network, three-dimensional porous foam structure or cellular structure; Wherein said outside carrier structure is space network, three-dimensional porous foam structure or cellular structure.
3. catalyst carrier according to claim 1 is characterized in that wherein said interior carrier structure comprises that a plurality of centers intercommunicating pore that connects these central part two ends reaches the center hole wall between the intercommunicating pore of described a plurality of centers; Wherein said outside carrier structure comprises that a plurality of outsides intercommunicating pore that connects these outer part two ends reaches the outside hole wall between the intercommunicating pore of described a plurality of outsides.
4. catalyst carrier according to claim 3 is characterized in that one of them is provided with the cinclides that is communicated with adjacent two center intercommunicating pores or adjacent two outside intercommunicating pores at least in wherein said center hole wall and this outside hole wall.
5. catalyst carrier according to claim 4 is characterized in that wherein being provided with the type of tamper evidence of stopping up this intercommunicating pore at least one intercommunicating pore in wherein said a plurality of centers intercommunicating pore and the described a plurality of outsides intercommunicating pore.
6. catalyst carrier according to claim 1 is characterized in that wherein said central part and outer part are one-body molded or divide body formed.
7. according to the catalyst carrier of claim 1, the sectional area that it is characterized in that wherein said central part is 5%～95% of an outer part sectional area.
8. catalytic purification of motor vehicle tail gas device is characterized in that it comprises:
As the described catalyst carrier of arbitrary claim in the claim 1 to 7;
Interconnecting part is arranged at an end of this catalyst carrier, is communicated with this central part and outer part;
Two air-flow guide portions are arranged on the other end of this catalyst carrier, and one of them air-flow guide portion is communicated with this central part, and wherein another air-flow guide portion is communicated with outer part; And
Catalyzer is coated on this interior carrier structure of this catalyst carrier and this outside carrier structure.
9. catalytic purification of motor vehicle tail gas device according to Claim 8 is characterized in that wherein said catalyzer is selected from the group that is made up of three-way catalyst, carbon monoxide oxidation catalyst, oxidizing hydrocarbon catalyzer, conversion of nitrogen oxides catalyzer and soot dust granule thing oxidation catalyst one or more.
10. according to the catalytic purification of motor vehicle tail gas device of claim 9, it is characterized in that wherein said interconnecting part also is provided with the material feeding mouth of input air or chemical material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920150401XU CN201474759U (en) | 2009-04-22 | 2009-04-22 | Catalysis and purification device for vehicle tail gas and catalytic agent carrier of device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920150401XU CN201474759U (en) | 2009-04-22 | 2009-04-22 | Catalysis and purification device for vehicle tail gas and catalytic agent carrier of device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201474759U true CN201474759U (en) | 2010-05-19 |
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ID=42411007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920150401XU Expired - Fee Related CN201474759U (en) | 2009-04-22 | 2009-04-22 | Catalysis and purification device for vehicle tail gas and catalytic agent carrier of device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201474759U (en) |
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2009
- 2009-04-22 CN CN200920150401XU patent/CN201474759U/en not_active Expired - Fee Related
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Granted publication date: 20100519 Termination date: 20180422 |