CN207934977U - A kind of inlet end insulation construction of vehicle catalyst - Google Patents
A kind of inlet end insulation construction of vehicle catalyst Download PDFInfo
- Publication number
- CN207934977U CN207934977U CN201820258492.8U CN201820258492U CN207934977U CN 207934977 U CN207934977 U CN 207934977U CN 201820258492 U CN201820258492 U CN 201820258492U CN 207934977 U CN207934977 U CN 207934977U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- inlet pipe
- metallic plate
- catalyzing unit
- ternary catalyzing
- 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
Links
Abstract
The utility model discloses a kind of inlet end insulation constructions of vehicle catalyst, including air inlet pipe and ternary catalyzing unit, described air inlet pipe one end is fixedly installed inlet flange, the air inlet pipe external stability is provided with outer metallic plate, gap between the outer metallic plate and air inlet pipe outer wall is filled with thermal insulation layer, the air inlet pipe is fixed with ternary catalyzing unit one end and is connected to, and the ternary catalyzing unit external stability is provided with heat shield, and the ternary catalyzing unit other end is communicated with escape pipe.The utility model is under the heat preservation of air inlet pipe outer insulative layer, the process that tail gas enters ternary catalyzing unit through air inlet pipe will not be cooled, ensure that tail gas enters in the condition of high temperature in ternary catalyzing unit quickly to react, one layer of outer metallic plate is only set, without the metallic plate in air inlet pipe and the setting of heat-insulated interlayer, manufacturing cost is low and heat insulation effect is good, and outer metallic plate length is equal to the length of air inlet pipe, ensure that air inlet pipe outer wall is completely covered to increase the area coverage of thermal insulation layer in outer metallic plate, improves heat insulation effect.
Description
Technical field
The utility model is related to auto parts and components field, the inlet end insulation construction of specially a kind of vehicle catalyst.
Background technology
Vehicle catalyst is ternary catalyzing unit, is mounted in most important outer purifier in automobile exhaust system, it
Can by pernicious gases such as CO, HC and NOx that vehicle exhaust is discharged by oxidation and reduction be changed into harmless carbon dioxide,
Water and nitrogen, when the vehicle exhaust of high temperature passes through purifier, the cleanser in ternary catalyzing unit will enhance CO, HC and NOx
The activity of three kinds of gas promotes it to carry out certain oxidationreduction chemical reaction, wherein CO be oxidized at high temperature it is colourless,
Nontoxic carbon dioxide gas；HC compounds are oxidized to water (H2O) and carbon dioxide at high temperature；NOx is reduced into nitrogen and oxygen
Gas since this catalyst converter can convert three kinds of main harmful substances in exhaust gas to innocuous substance simultaneously, therefore claims ternary.
The condition of high temperature of ternary catalyzing unit outside need installation heat shield guarantee tail gas is existing to carry out redox
The insulation construction design of catalyst converter ontology is often only focused in technology, catalyst converter front end airflow pipe is also required to design insulation construction
Tail gas is prevented to be cooled before entering catalyst converter.
Utility model content
The purpose of this utility model is to provide a kind of inlet end insulation constructions of vehicle catalyst, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions：A kind of inlet end heat preservation of vehicle catalyst
Structure, including air inlet pipe and ternary catalyzing unit, described air inlet pipe one end are fixedly installed inlet flange, and the air inlet pipe outside is solid
Surely it is provided with outer metallic plate, the gap between the outer metallic plate and air inlet pipe outer wall is filled with thermal insulation layer, the air inlet pipe and three
Connection is fixed in first catalyst converter one end, and the ternary catalyzing unit external stability is provided with heat shield, the ternary catalyzing unit other end
It is communicated with escape pipe.
Preferably, the outer metallic plate is hollow cylinder structure, and the outer metallic plate inner wall edge secure weld is in air inlet
Pipe outer wall, the length of the outer metallic plate are equal to the length of air inlet pipe.
Preferably, the thermal insulation layer is high-temperature-resistant thermal-insulation cotton, and the thickness of the thermal insulation layer is more than 0.5cm.
Preferably, the heat shield is welded in ternary catalyzing unit outer wall, and high-temperature-resistant thermal-insulation is filled in the inside of the heat shield
Fiber.
Preferably, it is fixedly installed ring flange at the end of the escape pipe.
Compared with prior art, the utility model has the beneficial effects that：
1, the utility model by air inlet pipe one end install inlet flange, air inlet pipe is connect with ternary catalyzing unit,
The outer metallic plate of air inlet pipe outside weldings and the stuffed heat insulated layer between air inlet pipe and outer metallic plate, outside ternary catalyzing unit package every
Escape pipe is connected to ternary catalyzing unit one end by heat cover, and when use installs air inlet pipe by inlet flange, and by escape pipe
It is connect with automobile exhaust pipe, under the heat preservation of air inlet pipe outer insulative layer, tail gas enters the process of ternary catalyzing unit through air inlet pipe
It will not be cooled, ensure that tail gas enters in the condition of high temperature in ternary catalyzing unit and quickly react, one layer of outer metallic plate is only set,
Without the metallic plate in air inlet pipe and the setting of heat-insulated interlayer, manufacturing cost is low and heat insulation effect is good.
2, the utility model China and foreign countries metallic plate inner wall edge secure weld is equal in air inlet pipe outer wall, the length of outer metallic plate
The length of air inlet pipe ensures that air inlet pipe outer wall is completely covered to increase the area coverage of thermal insulation layer in outer metallic plate, improves heat preservation effect
Fruit, thermal insulation layer are high-temperature-resistant thermal-insulation cotton, and the thickness of the thermal insulation layer is more than 0.5cm, ensure heat insulation effect, consolidate at the end of escape pipe
Surely it is provided with ring flange, convenient for escape pipe and other component to be tightly connected.
Description of the drawings
Fig. 1 is a kind of inlet end insulation construction overall structure diagram of vehicle catalyst of the utility model；
Fig. 2 is thermal insulation layer position view in a kind of inlet end insulation construction of vehicle catalyst of the utility model；
Fig. 3 is the enlarged view at A in a kind of inlet end insulation construction Fig. 2 of vehicle catalyst of the utility model.
In figure：1- air inlet pipe；2- ternary catalyzing units；3- inlet flanges；The outer metallic plates of 4-；5- thermal insulation layers；6- heat shields；7-
Escape pipe；8- ring flanges.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of inlet end heat preservation knot of vehicle catalyst
Structure, including air inlet pipe 1 and ternary catalyzing unit 2,1 one end of the air inlet pipe are fixedly installed inlet flange 3, outside the air inlet pipe 1
Portion is fixedly installed outer metallic plate 4, the gap between 1 outer wall of the outer metallic plate 4 and air inlet pipe be filled with thermal insulation layer 5, it is described into
Tracheae 1 is fixed with 2 one end of ternary catalyzing unit and is connected to, and 2 external stability of the ternary catalyzing unit is provided with heat shield 6, the ternary
2 other end of catalyst converter is communicated with escape pipe 7.
The outer metallic plate 4 is hollow cylinder structure, and 4 inner wall edge secure weld of the outer metallic plate is in outside air inlet pipe 1
Wall, the length of the outer metallic plate 4 are equal to the length of air inlet pipe 1, ensure that 1 outer wall of air inlet pipe is completely covered to increase in outer metallic plate 4
Add the area coverage of thermal insulation layer 5, improves heat insulation effect；The thermal insulation layer 5 is high-temperature-resistant thermal-insulation cotton, the thickness of the thermal insulation layer 5
More than 0.5cm, ensure heat insulation effect；The heat shield 6 is welded in 2 outer wall of ternary catalyzing unit, ensures 6 fixing-stable of heat shield,
High-temperature-resistant thermal-insulation fiber is filled in the inside of the heat shield 6, ensures the heat insulation effect of heat shield 6；Consolidate at the end of the escape pipe 7
Surely it is provided with ring flange 8, convenient for escape pipe 7 and other component to be tightly connected.
Operation principle：The utility model in 1 one end of air inlet pipe by installing inlet flange 3, by air inlet pipe 1 and three-element catalytic
Device 2 connects, metallic plate 4 and the stuffed heat insulated layer 5 between air inlet pipe 1 and outer metallic plate 4 outside 1 outside weldings of air inlet pipe, in ternary
Heat shield 6 is wrapped up in the outside of catalyst converter 2, and escape pipe 7 is connected to 2 one end of ternary catalyzing unit, and air inlet pipe 1 is passed through air inlet when use
Flange 3 installs, and escape pipe 7 is connect with automobile exhaust pipe, under the heat preservation of 1 outer insulative layer 5 of air inlet pipe, tail gas pass through into
The process that tracheae 1 enters ternary catalyzing unit 2 will not be cooled, and ensure that tail gas enters in ternary catalyzing unit 2 quickly in the condition of high temperature
It reacts, one layer of outer metallic plate 4 is only set, without metallic plate in being arranged between air inlet pipe 1 and thermal insulation layer 5, manufacturing cost is low
And heat insulation effect is good, metallic plate 4 inner wall edge secure weld in the utility model China and foreign countries is in 1 outer wall of air inlet pipe, the length of outer metallic plate 4
Degree ensures that 1 outer wall of air inlet pipe is completely covered to increase the area coverage of thermal insulation layer 5 in outer metallic plate 4 equal to the length of air inlet pipe 1,
Heat insulation effect is improved, thermal insulation layer 5 is high-temperature-resistant thermal-insulation cotton, and the thickness of the thermal insulation layer 5 is more than 0.5cm, ensures heat insulation effect, go out
Ring flange 8 is fixedly installed at the end of tracheae 7, convenient for escape pipe 7 and other component to be tightly connected.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of inlet end insulation construction of vehicle catalyst, including air inlet pipe (1) and ternary catalyzing unit (2), it is characterised in that：
Described air inlet pipe (1) one end is fixedly installed inlet flange (3), and air inlet pipe (1) external stability is provided with outer metallic plate
(4), the gap between the outer metallic plate (4) and air inlet pipe (1) outer wall is filled with thermal insulation layer (5), the air inlet pipe (1) and ternary
Connection is fixed in catalyst converter (2) one end, and ternary catalyzing unit (2) external stability is provided with heat shield (6), the ternary catalyzing unit
(2) other end is communicated with escape pipe (7).
2. a kind of inlet end insulation construction of vehicle catalyst according to claim 1, it is characterised in that：The outer metal
Plate (4) is hollow cylinder structure, and outer metallic plate (4) the inner wall edge secure weld is in air inlet pipe (1) outer wall, the outer metal
The length of plate (4) is equal to the length of air inlet pipe (1).
3. a kind of inlet end insulation construction of vehicle catalyst according to claim 1, it is characterised in that：The thermal insulation layer
(5) it is high-temperature-resistant thermal-insulation cotton, the thickness of the thermal insulation layer (5) is more than 0.5cm.
4. a kind of inlet end insulation construction of vehicle catalyst according to claim 1, it is characterised in that：The heat shield
(6) it is welded in ternary catalyzing unit (2) outer wall, high-temperature-resistant thermal-insulation fiber is filled in the inside of the heat shield (6).
5. a kind of inlet end insulation construction of vehicle catalyst according to claim 1, it is characterised in that：The escape pipe
(7) ring flange (8) is fixedly installed at end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820258492.8U CN207934977U (en) | 2018-02-08 | 2018-02-08 | A kind of inlet end insulation construction of vehicle catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820258492.8U CN207934977U (en) | 2018-02-08 | 2018-02-08 | A kind of inlet end insulation construction of vehicle catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207934977U true CN207934977U (en) | 2018-10-02 |
Family
ID=63652944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820258492.8U Expired - Fee Related CN207934977U (en) | 2018-02-08 | 2018-02-08 | A kind of inlet end insulation construction of vehicle catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207934977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443384A (en) * | 2019-09-05 | 2021-03-05 | 广州特拓新材料科技有限公司 | Heat shield and processing method thereof |
-
2018
- 2018-02-08 CN CN201820258492.8U patent/CN207934977U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443384A (en) * | 2019-09-05 | 2021-03-05 | 广州特拓新材料科技有限公司 | Heat shield and processing method thereof |
| CN112443384B (en) * | 2019-09-05 | 2022-03-15 | 广州特拓新材料科技有限公司 | Heat shield and processing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208040488U (en) | A kind of purifying processing device of vehicle emission | |
| CN207934977U (en) | A kind of inlet end insulation construction of vehicle catalyst | |
| CN107288710A (en) | The high diesel exhaust filtration device of discharge standard | |
| CN205330769U (en) | High rate of air hole particulate filter | |
| CN106351715B (en) | A kind of cold start-up automobile exhaust purifier | |
| CN209261654U (en) | A kind of new catalytic device device | |
| CN205805664U (en) | A kind of automobile ternary catalyzing unit | |
| CN210874850U (en) | Tail gas treatment environmental protection equipment | |
| CN207934975U (en) | A kind of automobile exhaust catalyst heat shield structure with high stability | |
| CN104121074A (en) | Vehicle ternary catalytic converter | |
| CN201502424U (en) | POC metal carrier postprocessor for diesel vehicle | |
| CN210370857U (en) | Automobile exhaust pipe | |
| CN107299848A (en) | The high automobile exhaust purifier of discharge standard | |
| CN213298084U (en) | Environment-friendly automobile exhaust pipe capable of filtering tail gas | |
| CN207538902U (en) | A kind of new automobile ternary catalyzing unit | |
| CN208106534U (en) | A kind of complex carries ternary catalyzing unit | |
| CN107227996A (en) | The exhaust gas filter of the good purification of effective denitrification | |
| CN217582280U (en) | Automobile three-way catalytic silencer | |
| CN208040485U (en) | A kind of vent gas treatment catalyst converter of six standard of state | |
| CN106481393A (en) | The exhaust gas filter of black smoke good filtration effect | |
| CN203962118U (en) | A kind of Automotive Three-way Catalytic Converter | |
| CN214223134U (en) | Catalytic combustion device for purifying flue gas | |
| CN213063711U (en) | Automobile purification silencer | |
| CN209679868U (en) | A kind of tail gas smoke evacuation system | |
| CN216617629U (en) | Packaging structure of automobile three-way catalyst |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 Termination date: 20190208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |