CN208236488U - A kind of silencer reducing Vehicle Exhaust Particulate discharge - Google Patents
A kind of silencer reducing Vehicle Exhaust Particulate discharge Download PDFInfo
- Publication number
- CN208236488U CN208236488U CN201820712856.5U CN201820712856U CN208236488U CN 208236488 U CN208236488 U CN 208236488U CN 201820712856 U CN201820712856 U CN 201820712856U CN 208236488 U CN208236488 U CN 208236488U
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- CN
- China
- Prior art keywords
- suppressor case
- air inlet
- silencer
- inlet pipe
- wall
- 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.)
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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
- Y02T10/40—Engine management systems
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- Processes For Solid Components From Exhaust (AREA)
Abstract
The utility model relates to a kind of silencers of reduction Vehicle Exhaust Particulate discharge, including a suppressor case, the suppressor case is a hollow cylindrical structure, an air inlet pipe, an exhaust pipe are connected separately at the both ends of suppressor case long axis direction, the air inlet pipe it is open at one end, the other end is silent, and the silent one end of air inlet pipe stretches in suppressor case, it is located on one section that protrudes into suppressor case in air inlet pipe and is also provided with venthole, the water that liquid level is lower than air inlet pipe and exhaust pipe is also injected in the suppressor case；One is built in the wall-flow honeycomb ceramic filter in suppressor case, is located at wall-flow honeycomb ceramic filter in suppressor case and adopts a split structure；One is mounted on the pressure alarm of suppressor case upper end.Utility model has the advantages that the efficient exhaust particulate object trapping of the silencer of the utility model and acoustic attenuation performance are suitable for all kinds of hot Combustion engine tail gas exhaust systems.
Description
Technical field
The utility model relates to a kind of silencer, in particular to a kind of silencer for reducing Vehicle Exhaust Particulate discharge.
Background technique
With the frequent appearance of environmental problems such as haze in recent years, the extensive concern of people is caused, particulate matter PM10,
The indexs such as PM2.5 also enter everybody visual field, and all kinds of respiratory tract Pulmonary Disease patients thus caused also become various big hospital door
The regular guest examined, with being continuously increased for car ownership, motor vehicle exhaust emission is then granular material discharged one of great chief culprit, with
When congestion road watch boundless particulate matter attentively quietly and spread with the wind.Scientific analysis shows to contain hundreds of in vehicle exhaust
Different compounds, pollutant therein have solid aerosol, carbon monoxide, carbon dioxide, hydrocarbon, nitrogen oxidation to close
Object, lead and oxygen sulfur compound etc..The harmful exhaust of one discharge in car 1 year is 3 times bigger than own wt.Britain's air cleaning and
Environmental protection association once delivered research report and claimed, and compared with traffic accident victim, the people that Britain dies of air pollution every year is wanted
Have more 10 times.
Control research for Vehicle Exhaust Particulate discharge is less, administers the processing technique that vehicle exhaust is taken at present and arranges
Alms giver will have: force to make motor vehicle exhaust emission obtain a degree of control using unleaded gas, solar obligation ternary catalyzing unit etc.
System.But three-way catalytic apparatus is that the pernicious gases such as CO, HC and NOx that vehicle exhaust is discharged are turned by oxidation and reduction
Become the catalysis of harmless carbon dioxide, water and nitrogen.Only 5% particulate matter is adsorbed on three-way catalytic apparatus and silencer
Among separator, for 95% or more particulate matter with exhaust emissions into atmosphere, the environment lived to us causes huge destruction,
Environmental protection and energy conservation are the key subjects of facing mankind in current and future economy social development.
Utility model content
It is right the technical problem to be solved by the present invention is to provide a kind of silencer of reduction Vehicle Exhaust Particulate discharge
The discharged particle of tail gas carries out temperature and noise that motor vehicle exhaust emission is reduced while high efficiency filter.
In order to solve the above technical problems, the technical solution of the utility model are as follows: a kind of reduction Vehicle Exhaust Particulate discharge
Silencer, innovative point is: including
One suppressor case, the suppressor case is a hollow cylindrical structure, in suppressor case long axis direction
Both ends are connected separately with an air inlet pipe, an exhaust pipe, the air inlet pipe it is open at one end, the other end is silent, and air inlet pipe is silent
One end stretch in suppressor case, be located to protrude on one section of suppressor case in air inlet pipe and be also provided with venthole, institute
It states and is also injected with the water that liquid level is lower than air inlet pipe and exhaust pipe in suppressor case；
One is built in the wall-flow honeycomb ceramic filter in suppressor case, and the wall-flow honeycomb ceramic filter is in
It is discoid, and it is bonded the inner sidewall of suppressor case, meanwhile, it is located at wall-flow honeycomb ceramic filter in suppressor case and adopts
Use split type structure；
One is mounted on the pressure alarm of suppressor case upper end.
Further, the axis of the exhaust pipe is higher than the axis of suppressor case.
Further, the groove for holding filtering body insertion is also provided in the suppressor case.
Further, the split type structure are as follows: be located in suppressor case upper at wall-flow honeycomb ceramic filter
End is provided with a semicircle shape notch, while being also filled with a semicircle shape cover board, one end of the cover board and silencer in the indentation, there
It is hingedly formed between shell, the other end has an elastic card claw, while having on the lateral wall of suppressor case and elastic card
The turnup structure that pawl matches.
Further, sealing ring is additionally provided between the cover board and silencer.
Utility model has the advantages that in the present invention, being lower than air inlet pipe by injecting in silencer inner cavity
With the water of exhaust pipe, when wall-flow honeycomb ceramic filter is normally carried out trap filter, tail gas is from part mistake on the filtering body water surface
Filter passes through, and when after blocking to hot Combustion engine tail gas particle collection, inlet chamber air pressure is increased for part on the filtering body water surface
Pressure alarm indicator is caused to alarm, water flow in silencer chamber can be squeezed and be passed through toward air exit by the tail gas pressure raised simultaneously
Filter body underwater portion releases influence of the silencer inlet chamber air pressure raising to automobile dynamic quality, and the water flow at silencer chamber bottom is not
Influence of the silencer inlet chamber air pressure raising to automobile dynamic quality can be only released after filtering body blocking, also simultaneously to high temperature
Hot Combustion engine tail gas play cooling effect.
Using wall-flow honeycomb ceramic filter, there is up to 75% or more particle collection rate, is filtered in hot Combustion engine tail gas
In have excellent performance；Using the cooperation of the porous wall of venthole and wall-flow honeycomb ceramic filter in air inlet pipe,
Resonance Structure all is formed with silencer inner cavity, achievees the effect that dual noise elimination.
By being equipped with pressure alarm indicator on silencer, when wall-flow honeycomb ceramic filter is blocked pressure rising
Play the purpose for reminding the replacement to filtering body.
By the axis higher than suppressor case of the axis designs of exhaust pipe, then exhaust outlet height is improved, tail is made
H in gas2O retain in fluid form and formed it is a certain amount of, using liquid gas conversion delivery temperature can be effectively reduced.
Design for split type structure opens cover board using the cooperation between cover board and suppressor case
To realize that the independence to wall-flow honeycomb ceramic filter is replaced, without replacing entire silencer, cost is reduced；And it is right
Using the cooperation realization connection of elastic card claw and turnup structure between cover board and suppressor case, without other fixed companies
Fitting, so that connection enhanced convenience.
It by the way that sealing ring is arranged between cover board and silencer, is then avoided in order to ensure sealing performance between the two
Water or exhaust gas are flowed directly out or are discharged from gap between the two.
The efficient exhaust particulate object trapping of the silencer of the utility model and acoustic attenuation performance are suitable for all kinds of hot combustion engine tails
Gas exhaust system.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the schematic diagram of the silencer for reducing Vehicle Exhaust Particulate discharge of the utility model.
Fig. 2 is the schematic diagram of wall-flow honeycomb ceramic filter in the utility model.
Fig. 3 is the schematic diagram of the utility model cover plate.
Specific embodiment
The following examples can make professional and technical personnel that the utility model be more fully understood, but therefore will not
The utility model is limited among the embodiment described range.
A kind of silencer reducing Vehicle Exhaust Particulate discharge as shown in FIG. 1 to FIG. 3, including
One suppressor case 1, which is a hollow cylindrical structure, in 1 long axis direction of suppressor case
Both ends are connected separately with an air inlet pipe 2, an exhaust pipe 3, air inlet pipe 2 it is open at one end, the other end of air inlet pipe 2 is silent, and into
The silent one end of tracheae 2 stretches in suppressor case 1, is located on one section that protrudes into suppressor case 1 in air inlet pipe 2 and also opens
There is venthole 4, the water that liquid level is lower than air inlet pipe 2 is also injected in suppressor case 1.
The both ends of exhaust pipe 3 are open, and exhaust pipe is mounted on the side of suppressor case 1, and the axis of exhaust pipe 3 is higher than
The axis of suppressor case 1.By the axis higher than suppressor case of the axis designs of exhaust pipe 3, then improves exhaust pipe 3 and go out
Open height makes H in tail gas2O retain in fluid form and formed it is a certain amount of, using liquid gas conversion can be effectively reduced exhaust temperature
Degree.
One is built in the wall-flow honeycomb ceramic filter 5 in suppressor case 1, and wall-flow honeycomb ceramic filter 5 is in
It is discoid, and it is bonded the inner sidewall of suppressor case 1, meanwhile, it is located at wall-flow honeycomb ceramic filter 5 in suppressor case 1
Place adopts a split structure.
Split type structure are as follows: be provided with a semicircle in the upper end that suppressor case 1 is located at wall-flow honeycomb ceramic filter 5
Shape notch, while being also filled with a semicircle shape cover board 6 in the indentation, there, it is hinged between one end and suppressor case 1 of cover board 6 and
At the other end of cover board 6 has an elastic card claw, while having on the lateral wall of suppressor case and matching with elastic card claw
Turnup structure.Design for split type structure, using the cooperation between cover board 6 and suppressor case 1, so that cover board 6 can
The independence of wall-flow honeycomb ceramic filter 5 is replaced with opening to realize, without replacing entire silencer, reduce at
This；And for using the cooperation of elastic card claw and turnup structure to realize connection between cover board 6 and suppressor case 1, it is not necessarily to it
His fixedly connected part, so that connection enhanced convenience, also facilitates cover board 6 on and off.
Sealing ring 7 is additionally provided between cover board 6 and suppressor case 1.By between cover board 6 and suppressor case 1
Sealing ring 7 is set, then is to avoid water or exhaust gas direct from gap between the two in order to ensure sealing performance between the two
Outflow or discharge.
It is also provided in suppressor case 1 and holds the groove that wall-flow honeycomb ceramic filter 5 is embedded in.Pass through setting for the groove
Meter, on the one hand, Fast Installation can be carried out to wall-flow honeycomb ceramic filter 5, improved efficiency, it on the other hand also can be to wall-flow type
Honeycomb ceramic filter body 5 is limited, and avoids it that play, displacement etc. occurs in suppressor case 1 and influences filter effect.
One is mounted on the pressure alarm 8 of 1 upper end of suppressor case.By installing pressure alarm on suppressor case 1
Device 8 is blocked in wall-flow honeycomb ceramic filter 5 and plays the purpose for reminding the replacement to filtering body when pressure rises.
When handling tail gas, tail gas can enter suppressor case 1 from air inlet pipe 2, and because in suppressor case 1
The presence of water, tail gas can pass through from the Partial filtration on the liquid level that wall-flow honeycomb ceramic filter 5 is located at water, and work as wall stream
After blocking to hot Combustion engine tail gas particle collection, inlet chamber air pressure is increased for part on 5 water surface of formula honeycomb ceramic filter body
Pressure alarm indicator 8 is caused to alarm, the tail gas pressure raised simultaneously can go out intracavitary water flow in suppressor case 1 toward exhaust pipe 3
Mouth squeezes, and such tail gas can pass through from the underwater portion of wall-flow honeycomb ceramic filter 5, releases silencer inlet chamber air pressure liter
Influence of the height to automobile dynamic quality, and the water flow at silencer chamber bottom not only can filtering body blocking after release silencer into
Air cavity air pressure increases the influence to automobile dynamic quality, also plays cooling effect to the hot Combustion engine tail gas of high temperature simultaneously, and
Due to the presence of this part water, when jolting when the vehicle is running, water can teetertotter, thus to wall-flow honeycomb
Ceramic filtering body 5 is cleaned, to remove the granule foreign of blocking wall-flow honeycomb ceramic filter 5.
It should be understood by those skilled in the art that the present utility model is not limited to the above embodiments, above-described embodiment and
Only illustrate the principles of the present invention described in specification, on the premise of not departing from the spirit and scope of the utility model,
The utility model also has various changes and improvements, these changes and improvements both fall within the scope of the claimed invention
It is interior.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (5)
1. a kind of silencer for reducing Vehicle Exhaust Particulate discharge, it is characterised in that: including
One suppressor case, the suppressor case is a hollow cylindrical structure, at the both ends of suppressor case long axis direction
Be connected separately with an air inlet pipe, an exhaust pipe, the air inlet pipe it is open at one end, the other end is silent, and air inlet pipe it is silent one
End stretches in suppressor case, is located on one section that protrudes into suppressor case in air inlet pipe and is also provided with venthole, described to disappear
The water that liquid level is lower than air inlet pipe and exhaust pipe is also injected in sound device shell；
One is built in the wall-flow honeycomb ceramic filter in suppressor case, and the wall-flow honeycomb ceramic filter is in disk
Shape, and it is bonded the inner sidewall of suppressor case, meanwhile, it is located to use at wall-flow honeycomb ceramic filter in suppressor case and divides
Body formula structure；
One is mounted on the pressure alarm of suppressor case upper end.
2. the silencer according to claim 1 for reducing Vehicle Exhaust Particulate discharge, it is characterised in that: the exhaust pipe
Axis be higher than suppressor case axis.
3. the silencer according to claim 1 for reducing Vehicle Exhaust Particulate discharge, it is characterised in that: the silencer
The groove for holding filtering body insertion is also provided in shell.
4. the silencer according to claim 1 for reducing Vehicle Exhaust Particulate discharge, it is characterised in that: described split type
Structure are as follows: be located at the upper end at wall-flow honeycomb ceramic filter in suppressor case and be provided with a semicircle shape notch, while at this
Indentation, there is also filled with a semicircle shape cover board, hingedly forms between one end and suppressor case of the cover board, the other end has
One elastic card claw, while there is the turnup structure matched with elastic card claw on the lateral wall of suppressor case.
5. it is according to claim 4 reduce Vehicle Exhaust Particulate discharge silencer, it is characterised in that: the cover board with
Sealing ring is additionally provided between silencer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820712856.5U CN208236488U (en) | 2018-05-14 | 2018-05-14 | A kind of silencer reducing Vehicle Exhaust Particulate discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820712856.5U CN208236488U (en) | 2018-05-14 | 2018-05-14 | A kind of silencer reducing Vehicle Exhaust Particulate discharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208236488U true CN208236488U (en) | 2018-12-14 |
Family
ID=64579450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820712856.5U Expired - Fee Related CN208236488U (en) | 2018-05-14 | 2018-05-14 | A kind of silencer reducing Vehicle Exhaust Particulate discharge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208236488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457732A (en) * | 2018-05-14 | 2018-08-28 | 南通理工学院 | A kind of silencer reducing Vehicle Exhaust Particulate discharge |
-
2018
- 2018-05-14 CN CN201820712856.5U patent/CN208236488U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457732A (en) * | 2018-05-14 | 2018-08-28 | 南通理工学院 | A kind of silencer reducing Vehicle Exhaust Particulate discharge |
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| 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: 20181214 |