CN208252187U - A kind of automobile exhaust gas purifying installation - Google Patents
A kind of automobile exhaust gas purifying installation Download PDFInfo
- Publication number
- CN208252187U CN208252187U CN201820623706.7U CN201820623706U CN208252187U CN 208252187 U CN208252187 U CN 208252187U CN 201820623706 U CN201820623706 U CN 201820623706U CN 208252187 U CN208252187 U CN 208252187U
- Authority
- CN
- China
- Prior art keywords
- shell
- deflector
- coldplate
- exhaust gas
- heat
- 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
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- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses a kind of automobile exhaust gas purifying installations, belong to exhaust gas processing device technical field, for solving the problems, such as that the perishable casing of existing vehicle exhaust temperature high fever and tail gas and catalyst contact time short-range missile cause insufficient contact.The utility model includes shell, the both ends of the shell are respectively arranged with air inlet and air outlet, it is characterized in that, one section in the shell close to air inlet is provided with cooling device, one section in the shell close to gas outlet is provided with multiple catalyst carriers, and the cooling device includes coldplate, and the coldplate is connected with the heat-conducting plate across housing exterior walls, the heat-conducting plate is connected with heat sink, and heat sink is in a circular table shape to be set in closure periphery；The catalyst carrier includes the first deflector towards in-flanges, and open the second deflector of cylinder, and the space between the flange outer wall of first deflector and the inner wall of the second deflector forms air-guiding aisle.
Description
Technical field
The utility model relates to exhaust gas cleaner technical fields, fill more particularly to a kind of purifying vehicle exhaust
It sets.
Background technique
The main harmful components of vehicle exhaust are hydrocarbon, carbon monoxide and nitrogen oxides.These three substances are to people
Body is all toxic, and wherein hydrocarbon and nitrogen oxides also will form photochemical fog under sunlight and other suitable conditions,
Endanger bigger eliminate in vehicle exhaust there are mainly two types of the schemes of these harmful components: one is the combustion systems for improving engine
To reduce the discharge of pernicious gas；Another kind is to use catalytic converter by the cleaning harmful gas in tail gas.The automobile of generation
Tail gas has higher temperature, and high-temperature gas can burn out casing and cylinder sleeve etc., and passes through three in existing gas emission device
First catalyst carries out catalyzed conversion to exhaust gas, and harmful substance is changed into innocuous substance, but exhaust pipe inner exhaust gas flow velocity compared with
Fastly, the contact with catalyst is incomplete, incomplete to the processing of tail gas.
Utility model content
The purpose of this utility model is that: in order to solve the perishable casing of existing vehicle exhaust temperature high fever and tail gas and urge
Agent time of contact short-range missile causes the problem of insufficient contact, and the utility model provides a kind of automobile exhaust gas purifying installation.
The utility model specifically uses following technical scheme to achieve the goals above:
The both ends of the automobile exhaust gas purifying installation of the utility model, including shell, the shell are respectively arranged with air inlet
The gas outlet and, which is characterized in that cooling device is provided in the shell close to one section of air inlet, close to going out in the shell
One section of port is provided with multiple catalyst carriers, and the cooling device includes coldplate, and the coldplate is connected with across shell
The heat-conducting plate of external wall, the heat-conducting plate are connected with heat sink, and heat sink is in a circular table shape to be set in closure periphery；
The catalyst carrier includes the first deflector towards in-flanges, and open the second deflector of cylinder, described
Space between the flange outer wall of first deflector and the inner wall of the second deflector forms air-guiding aisle.
Preferably, the shell is disposed with sound insulation cotton layer and ceramic layer from outside to inside, makes pottery as a preferred method,
Porcelain it is heat-resist, effectively shell is avoided to deform, and reduce shell inner exhaust gas flowing generate noise.
Preferably, the shape of the coldplate is in truncated cone-shaped, and the bottom of the rotary table of coldplate is located at one close to air inlet
End, the upper bottom of the rotary table of coldplate are located remotely from one end of air inlet, and the upper bottom of the coldplate and heat-conducting plate are connected with each other, institute
It states coldplate and offers several first through hole, the heat-conducting plate offers several second through-holes to be made as a preferred mode
Coldplate comes into full contact with tail gas, and the heat in tail gas is transmitted on heat sink by heat-conducting plate.
Preferably, the coldplate is provided with several first cooling fins, by adding the first fan backing, increases and tail gas
Contact area improves heat transference efficiency.
Preferably, the heat sink is connected with several the second cooling fins being parallel to each other with shell, is dissipated by adding second
Backing increases the contact area of heat sink and air, improves radiating efficiency.
Preferably, second deflector is provided with several for increasing and the protrusion of tail gas contact area, increase catalysis
The purification efficiency of the contact area of agent and tail gas raising tail gas.
Preferably, it is provided with the back-flow preventer for preventing tail gas from flowing back between the cooling device and air inlet, puts
Set tail gas reflux.
Preferably, the back-flow preventer includes partition, and the partition is provided with several third through-holes, each third is logical
Hole is hinged with the baffle being mutually adapted with third through-hole far from one end of air inlet, by the way that baffle is arranged, enables tail gas by the
Three through-holes enter in shell, and the intracorporal tail gas of shell cannot be entered in air inlet by third through-hole.
The working principle and the course of work of the utility model are as follows:
The utility model is connected to exhaust emissions pipe end, and air inlet is the tail gas upstream end that automobile generates, from air inlet
The tail gas for entering shell first passes around third through-hole on partition, and third through-hole is hinged with far from one end of air inlet and third
The baffle that hole size is mutually adapted, tail gas flow through third through-hole, and baffle is pushed in air pressure open, and baffle is made of light alloy,
Just baffle can be pushed open by the power of very little, and the air pressure in the left and right sides of partition is not much different, partition is far from air inlet
The tail gas of side the reflux that air inlet causes tail gas will not be entered by third through-hole.The intracorporal air-flow of shell is entered to pass through
It is cooled down in the coldplate of rotary table, the bottom of rotary table is opening, and the inner wall of rotary table is provided with several first cooling fins, rotary table
Upper bottom be connected with heat-conducting plate, heat-conducting plate is the plectane being mutually adapted with inner walls, and several second are provided on plectane
Through-hole, the outer wall that the outer rim of heat-conducting plate passes through shell are connected with heat sink, and heat sink shape is round table-like, one end company of heat sink
It connects on heat-conducting plate, the other end of heat sink is radial, and reinforcing rib is additionally provided between heat sink and shell, is connected on heat sink
Several second cooling fins are connected to, the second cooling fin is parallel to each other with shell, is to be consistent with the direction of motion of automobile.It is cooling
The first cooling fin being arranged on plate and coldplate is by the heat in tail gas by the way that on heat-conducting plate to heat sink, heat sink is exposed to
In air, by carrying out heat exchange with surrounding air, realize that the intracorporal high temperature heat of shell is transmitted to outside shell, and automobile is being transported
Speed air flow during row around heat sink is fast, and heat transference efficiency is high, and heat sink is directly connected as welding with heat-conducting plate
It connects or is bolted, but junction is manufactured using streamlined technique, is reduced windage as far as possible, is set between heat-conducting plate and shell
It is equipped with sealing device, such as sealing ring etc., the gap for avoiding tail gas from directly passing through between heat-conducting plate and shell is discharged to outside shell.
The heat in tail gas is directly delivered in the air outside shell through apparatus for supercooling, then by the effect of catalyst by tail gas
In hydrocarbon, carbon monoxide and nitrogen oxides etc. by the effect of chemical reaction, be converted into water and carbon dioxide etc., urge
Agent carrier includes two parts, and a part is cricoid first deflector, and the inner circle of the first deflector is to close to the one of air outlet
Lateral flange, another part are open the second deflector of cylinder, the inner wall of the second deflector, with the flange of the first deflector
Space between outside forms flow-guiding channel, increases the residence time of tail gas, comes into full contact with catalyst with tail gas, by tail gas
In pernicious gas carry out exhaustive oxidation processing, the second deflector is provided with multiple protrusions, increases connecing for catalyst and tail gas
Contacting surface product, multiple catalyst carriers are provided in shell, improve the purification efficiency of tail gas.Ceramic layer is provided in shell,
Shell temperature distortion can be effectively avoided, and is additionally provided with sound-proof material, the flowing of shell inner exhaust gas is reduced and generates noise.
The beneficial effects of the utility model are as follows:
1, the heat of tail gas is transmitted to outside shell by the utility model by setting cooling device by heat-conducting plate
On heat sink, in car running process, the speed air flow around heat sink is fast, and the radiating efficiency of heat sink is high, by tail
Heat in gas is transmitted in the environment outside shell by way of passing in time.
2, the utility model is provided with back-flow preventer, simple and reasonable, pushes baffle open using tail gas, keeps tail gas logical
It crosses, when not having tail gas, baffle blocks tail gas, prevents tail gas from flowing back.
3, the utility model increases tail gas in the shell intracorporal residence time, with catalysis by the way that multiple catalyst carriers are arranged
Agent comes into full contact with, meanwhile, the protrusion being arranged on the second deflector increases the contact area with tail gas, improves purification efficiency.
4, it is additionally provided with ceramic layer and sound insulation cotton layer in shell, effectively shell is avoided to deform, and reduces shell
The noise that inner exhaust gas flowing generates.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of coldplate；
Appended drawing reference: 1- shell, 2- sound insulation cotton layer, 3- ceramic layer, 4- heat sink, the second cooling fin of 41-, 5- heat-conducting plate,
The second through-hole of 51-, 6- coldplate, 61- first through hole, the first cooling fin of 62-, 7- partition, 71- third through-hole, 72- baffle, 8-
First deflector, the second deflector of 9-, 91- protrusion, 10- air inlet, the gas outlet 11-, 12- catalyst carrier, 13- anti-return dress
It sets.
Specific embodiment
In order to which those skilled in the art better understand the utility model, with reference to the accompanying drawing with following embodiment to this
Utility model is described in further detail.
The both ends of the automobile exhaust gas purifying installation of the utility model, including shell 1, the shell 1 are respectively arranged with air inlet
Mouth 10 and gas outlet 11, which is characterized in that one section in the shell 1 close to air inlet 10 is provided with cooling device, the shell
One section in body 1 close to gas outlet 11 is provided with multiple catalyst carriers 12, and the cooling device includes coldplate 6, described cold
But plate 6 is connected with the heat-conducting plate 5 across 1 outer wall of shell, and the heat-conducting plate 5 is connected with heat sink 4, the set in a circular table shape of heat sink 4
It is located at 1 periphery of shell；
The catalyst carrier 12 includes the first deflector 8 and the second deflector 9, the inner circle of the annulus of the first deflector 8
Towards one end flange of gas outlet 11, the second deflector 9 is open cylinder, the flange outer wall of first deflector 8 and the
Space between the inner wall of two deflectors 9 forms air-guiding aisle.
The utility model is further used as preferably, and the shell 1 is disposed with sound insulation cotton layer 2 and ceramics from outside to inside
Layer 3.
The utility model is further used as preferably, and the shape of the coldplate 6 is in truncated cone-shaped, the rotary table of coldplate 6
Bottom is located at close to one end of air inlet 10, and the upper bottom of the rotary table of coldplate 6 is located remotely from one end of air inlet 10, the cooling
The upper bottom of plate 6 and heat-conducting plate 5 are connected with each other, and the coldplate 6 offers several first through hole 61, and the heat-conducting plate 5 offers
Several second through-holes 51.
The utility model is further used as preferably, and the coldplate 6 is provided with several first cooling fins 62.,
The utility model is further used as preferably, and the heat sink 4 is connected with several second to be parallel to each other with shell 1
Cooling fin 41.
The utility model is further used as preferably, second deflector 9 be provided with it is several for increase connect with tail gas
The protrusion 91 of contacting surface product.
The utility model is further used as preferably, being provided between the cooling device and air inlet 10 for preventing tail
The back-flow preventer 13 of gas reflux.
The utility model is further used as preferably, and the back-flow preventer 13 includes partition 7, and the partition 7 is provided with
Several third through-holes 71, each third through-hole 71 is hinged with far from one end of air inlet 10 to be mutually adapted with third through-hole 71
Baffle 72.
The utility model is further used as preferably, and described catalyst is three-way catalyst in catalyst carrier 12, is urged
Agent carrier medium is porous ceramics.
The above, the only preferred embodiment of the utility model, are not intended to limit the utility model, the utility model
Scope of patent protection be subject to claims, it is equivalent made by all specifications and accompanying drawing content with the utility model
Structure change similarly should be included in the protection scope of the utility model.
Claims (8)
1. the both ends of a kind of automobile exhaust gas purifying installation, including shell (1), the shell (1) are respectively arranged with air inlet (10)
With gas outlet (11), which is characterized in that one section in the shell (1) close to air inlet (10) is provided with cooling device, described
One section in shell (1) close to gas outlet (11) is provided with multiple catalyst carriers (12), and the cooling device includes coldplate
(6), the coldplate (6) is connected with the heat-conducting plate (5) across shell (1) outer wall, and the heat-conducting plate (5) is connected with heat sink
(4), heat sink (4) is in a circular table shape is set in shell (1) periphery；
The catalyst carrier (12) includes the first deflector (8) and the second deflector (9), the annulus of the first deflector (8)
Inner circle is towards one end flange of gas outlet (11), and the second deflector (9) is open cylinder, and the first deflector (8) are turned over
Space between side outer wall and the inner wall of the second deflector (9) forms air-guiding aisle.
2. automobile exhaust gas purifying installation according to claim 1, which is characterized in that the shell (1) is from outside to inside successively
It is provided with sound insulation cotton layer (2) and ceramic layer (3).
3. automobile exhaust gas purifying installation according to claim 1, which is characterized in that the shape of the coldplate (6) is in circle
The bottom of platform shape, the rotary table of coldplate (6) is located at close to the one end of air inlet (10), and the upper bottom of the rotary table of coldplate (6) is located at
One end far from air inlet (10), the upper bottom and heat-conducting plate (5) of the coldplate (6) are connected with each other, and the coldplate (6) opens up
Have several first through hole (61), the heat-conducting plate (5) offers several second through-holes (51).
4. automobile exhaust gas purifying installation according to claim 1, which is characterized in that the coldplate (6) is provided with several
First cooling fin (62).
5. automobile exhaust gas purifying installation according to claim 1, which is characterized in that the heat sink (4) is connected with several
The second cooling fin (41) being parallel to each other with shell (1).
6. automobile exhaust gas purifying installation according to claim 1, which is characterized in that second deflector (9) is provided with
It is multiple to be used to increase and the protrusion of tail gas contact area (91).
7. automobile exhaust gas purifying installation according to claim 1, which is characterized in that the cooling device and air inlet (10)
Between be provided with for prevent tail gas flow back back-flow preventer (13).
8. automobile exhaust gas purifying installation according to claim 7, which is characterized in that the back-flow preventer (13) include every
Plate (7), the partition (7) are provided with several third through-holes (71), and the one of each third through-hole (71) separate air inlet (10)
End is hinged with the baffle (72) being mutually adapted with third through-hole (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820623706.7U CN208252187U (en) | 2018-04-28 | 2018-04-28 | A kind of automobile exhaust gas purifying installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820623706.7U CN208252187U (en) | 2018-04-28 | 2018-04-28 | A kind of automobile exhaust gas purifying installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208252187U true CN208252187U (en) | 2018-12-18 |
Family
ID=64634424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820623706.7U Expired - Fee Related CN208252187U (en) | 2018-04-28 | 2018-04-28 | A kind of automobile exhaust gas purifying installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208252187U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075540A (en) * | 2019-12-18 | 2020-04-28 | 宿州市龙兴机械制造有限公司 | Agricultural machinery exhaust system convenient to clearance smoke and dust |
| CN111569550A (en) * | 2020-06-23 | 2020-08-25 | 刘亚凤 | Smoke exhaust fan for filtering and adsorbing smoke |
| CN112973394A (en) * | 2021-04-02 | 2021-06-18 | 怀蕊(广州)科技有限公司 | Air degerming equipment with quick preheating |
-
2018
- 2018-04-28 CN CN201820623706.7U patent/CN208252187U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075540A (en) * | 2019-12-18 | 2020-04-28 | 宿州市龙兴机械制造有限公司 | Agricultural machinery exhaust system convenient to clearance smoke and dust |
| CN111569550A (en) * | 2020-06-23 | 2020-08-25 | 刘亚凤 | Smoke exhaust fan for filtering and adsorbing smoke |
| CN112973394A (en) * | 2021-04-02 | 2021-06-18 | 怀蕊(广州)科技有限公司 | Air degerming equipment with quick preheating |
| CN112973394B (en) * | 2021-04-02 | 2022-09-16 | 怀蕊(广州)科技有限公司 | Air degerming equipment with quick preheating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20190428 |