CN204572132U - A kind of triple mode catalytic converter - Google Patents
A kind of triple mode catalytic converter Download PDFInfo
- Publication number
- CN204572132U CN204572132U CN201520051191.4U CN201520051191U CN204572132U CN 204572132 U CN204572132 U CN 204572132U CN 201520051191 U CN201520051191 U CN 201520051191U CN 204572132 U CN204572132 U CN 204572132U
- Authority
- CN
- China
- Prior art keywords
- catalytic converter
- suction port
- triple mode
- housing
- tracheae
- 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.)
- Expired - Fee Related
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Classifications
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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
Abstract
The utility model discloses a kind of triple mode catalytic converter, comprise housing, in this housing, be provided with catalyst carrier, this housing is provided with suction port, air outlet, also comprise tracheae, the two ends of this tracheae are communicated with described suction port, air outlet respectively, and this tracheae is provided with bypass valve.The utility model, by increasing tracheae, bypass valve, when catalyst carrier blocks, ensures the normal use of vehicle to a certain extent; By the working life increasing separator tube, guard ring, cooling layer further improve triple mode catalytic converter; Structure is simple, practical simultaneously.
Description
Technical field
The utility model relates to technical field of automobile parts, is specifically related to a kind of triple mode catalytic converter.
Background technique
Triple mode catalytic converter, is catalytic cleaner again.This device is positioned in the vent systems of automobile, and its effect is the most of exhaust emission reducing motor discharge.Triple mode catalytic converter is by a metal shell, and a net bottom frame and catalytic layer (containing the noble metal such as platinum, a rhodium) composition, can remove 90% of hydrocarbon, carbon monoxide and oxynitrides three kinds of major pollutants matter.When waste gas is through purifier, platinum catalyst will impel hydrocarbon and CO to be oxidized to generate water vapor and carbon dioxide; Rhodium catalyst can impel oxynitrides to be reduced to nitrogen and oxygen.These oxidation reactions and reduction reaction only just start to carry out when temperature reaches 250 DEG C.If it is improper that gasoline or lube oil additive are selected, employ leaded fuel oil additive or sulphur, phosphorus, the oil additives that Zn content exceeds standard, phosphorus will be made, plumbous catalytic layer surface of waiting material to be covered in triple mode catalytic converter, the harmful components in waste gas are stoped to contact with it and lose catalysis, the ternary catalyzing unit ternary catalyzing unit that Here it is it has often been said, be mounted in most important outer purifier in automobile exhaust system, the CO that vehicle exhaust can be discharged by it, the harmful gas such as hydrocarbon and oxynitrides changes harmless carbon dioxide into by oxidation and reduction, water and nitrogen.
In Chinese Patent Application No.: disclose a kind of two front-end-cone three-way catalytic converter in 201120017420.2, the front end of housing has first end to bore and the second end bores two end cones, is connected between these two end cones by straight tube.Although this technological scheme have employed necking down process, exhaust airstream also can produce gasket face and impact, and liner causes carrier to loosen because of deflation, blocking, and cause whole Exhaust System Blocking, this technological scheme is further improved.
Model utility content
For the problems referred to above, the utility model provides a kind of triple mode catalytic converter, not easily blocks, and ensure that the normal use of automobile.
In order to solve the problem, the technological scheme that the utility model provides is:
A kind of triple mode catalytic converter, comprise housing, be provided with catalyst carrier in this housing, this housing is provided with suction port, air outlet, also comprises tracheae, and the two ends of this tracheae are communicated with described suction port, air outlet respectively, and this tracheae is provided with bypass valve.
When catalyst carrier blocks, the air pressure in suction port increases, and bypass valve is opened under the influence of air pressure, and the gas in suction port directly enters air outlet through tracheae and discharges.
When catalyst carrier blocks, again can not on-call maintenance, tracheae can be utilized temporarily to be vented, to ensure the normal use of vehicle to a certain extent.
Preferably, triple mode catalytic converter also comprises separator tube, this separator tube is taper, one end of this separator tube is communicated with described suction port, the other end is communicated with automobile exhaust system, and the diameter of one end that this separator tube is connected with described suction port is less than the diameter of one end that this separator tube is connected with automobile exhaust system.
Harmful gas enters suction port, catalyst carrier again through separator tube, speed reaches unanimity, distribution on the cross section of catalyst carrier is more even, fully play the purifying effect of catalyst carrier to harmful gas, further improve purification efficiency, meanwhile, reduce catalyst carrier center region premature aging, improve the working life of triple mode catalytic converter.
Preferably, be provided with vibration damping layer between the inwall of described catalyst carrier and described housing, be provided with guard ring between this vibration damping layer and described suction port, the width of this guard ring is greater than the thickness of described vibration damping layer.
Increase guard ring, avoid gas to blow to vibration damping layer, avoid vibration damping layer by deflation, further increase the working life of triple mode catalytic converter.
Preferably, described guard ring is connected by the inwall of hypotenuse with described housing near the side of described suction port, can not produce dead angle, is convenient to gas and enters catalyst carrier.
Preferably, described housing is enclosed with cooling layer; Can there is oxidation reaction through catalyst carrier in harmful gas, produce a large amount of heats, reducing the temperature of triple mode catalytic converter, improving the working life of triple mode catalytic converter by increasing cooling layer.
Compared with prior art, the beneficial effects of the utility model are:
The utility model, by increasing tracheae, bypass valve, when catalyst carrier blocks, ensures the normal use of vehicle to a certain extent; By the working life increasing separator tube, guard ring, cooling layer further improve triple mode catalytic converter; Structure is simple, practical simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the plan view of guard ring of the present utility model.
In figure: 1, housing, 2, catalyst carrier, 3, suction port, 4, air outlet, 5, tracheae, 6, bypass valve, 7, separator tube, 8, vibration damping layer, 9, guard ring, 10, cooling layer.
Embodiment
Below the utility model is described further:
Composition graphs 1, Fig. 2:
A kind of triple mode catalytic converter, comprise housing 1, be provided with catalyst carrier 2 in this housing 1, this housing 1 is provided with suction port 3, air outlet 4, also comprises tracheae 5, and the two ends of this tracheae 5 are communicated with suction port 3, air outlet 4 respectively, and this tracheae 5 is provided with bypass valve 6.
When catalyst carrier 2 blocks, the air pressure in suction port 3 increases, and bypass valve 6 is opened under the influence of air pressure, and the gas in suction port 3 directly enters air outlet 4 through tracheae 5 and discharges.
When catalyst carrier 2 blocks, again can not on-call maintenance, tracheae 5 can be utilized temporarily to be vented, to ensure the normal use of vehicle to a certain extent.
Triple mode catalytic converter also comprises separator tube 7, this separator tube 7 is taper, one end of this separator tube 7 is communicated with suction port 3, and the other end is communicated with automobile exhaust system, and the diameter of one end that this separator tube 7 is connected with suction port 3 is less than the diameter of one end that this separator tube 7 is connected with automobile exhaust system.
Harmful gas is when separator tube 7 enters suction port 3, catalyst carrier 2 again, speed reaches unanimity, distribution on the cross section of catalyst carrier 2 is more even, fully play the purifying effect of catalyst carrier 2 pairs of harmful gases, further improve purification efficiency, meanwhile, reduce catalyst carrier 2 center region premature aging, improve the working life of triple mode catalytic converter.
Be provided with vibration damping layer 8 between the inwall of catalyst carrier 2 and housing 1, be provided with guard ring 9 between this vibration damping layer 8 and suction port 3, the width of this guard ring 9 is greater than the thickness of vibration damping layer 8.
Increase guard ring 9, avoid gas to blow to vibration damping layer 8, avoid vibration damping layer 8 by deflation, further increase the working life of triple mode catalytic converter.
Guard ring 9 is connected by the inwall of hypotenuse with housing 1 near the side of suction port 3, can not produce dead angle, is convenient to gas and enters catalyst carrier 2.
Housing 1 is enclosed with cooling layer 10; Can there is oxidation reaction in harmful gas, produce a large amount of heats when catalyst carrier 2, reducing the temperature of triple mode catalytic converter, improving the working life of triple mode catalytic converter by increasing cooling layer 10.
More than show and describe basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a triple mode catalytic converter, comprises housing, is provided with catalyst carrier in this housing, this housing is provided with suction port, air outlet, it is characterized in that: also comprise tracheae, the two ends of this tracheae are communicated with described suction port, air outlet respectively, and this tracheae is provided with bypass valve.
2. triple mode catalytic converter according to claim 1, it is characterized in that: triple mode catalytic converter also comprises separator tube, this separator tube is taper, one end of this separator tube is communicated with described suction port, the other end is communicated with automobile exhaust system, and the diameter of one end that this separator tube is connected with described suction port is less than the diameter of one end that this separator tube is connected with automobile exhaust system.
3. triple mode catalytic converter according to claim 1 and 2; it is characterized in that: between the inwall of described catalyst carrier and described housing, be provided with vibration damping layer; be provided with guard ring between this vibration damping layer and described suction port, the thickness of this guard ring is greater than the thickness of described vibration damping layer.
4. triple mode catalytic converter according to claim 3, is characterized in that: described guard ring is connected by the inwall of hypotenuse with described housing near the side of described suction port.
5. triple mode catalytic converter according to claim 1 and 2, is characterized in that: described housing is enclosed with cooling layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520051191.4U CN204572132U (en) | 2015-01-24 | 2015-01-24 | A kind of triple mode catalytic converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520051191.4U CN204572132U (en) | 2015-01-24 | 2015-01-24 | A kind of triple mode catalytic converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204572132U true CN204572132U (en) | 2015-08-19 |
Family
ID=53864783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520051191.4U Expired - Fee Related CN204572132U (en) | 2015-01-24 | 2015-01-24 | A kind of triple mode catalytic converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204572132U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519258A (en) * | 2018-11-07 | 2019-03-26 | 浙江银轮机械股份有限公司 | A kind of SCR catalyst component of band list by-passing valve |
| CN113565607A (en) * | 2021-08-31 | 2021-10-29 | 吉林大学 | Anti-blocking structure of three-way catalytic converter |
-
2015
- 2015-01-24 CN CN201520051191.4U patent/CN204572132U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519258A (en) * | 2018-11-07 | 2019-03-26 | 浙江银轮机械股份有限公司 | A kind of SCR catalyst component of band list by-passing valve |
| CN109519258B (en) * | 2018-11-07 | 2024-01-26 | 浙江银轮机械股份有限公司 | SCR (selective catalytic reduction) catalyst assembly with single bypass valve |
| CN113565607A (en) * | 2021-08-31 | 2021-10-29 | 吉林大学 | Anti-blocking structure of three-way catalytic converter |
| CN113565607B (en) * | 2021-08-31 | 2022-06-03 | 吉林大学 | Anti-blocking structure of three-way catalytic converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20160124 |
|
| EXPY | Termination of patent right or utility model |