CN104763494B - Automobile exhaust gas purifying installation - Google Patents
Automobile exhaust gas purifying installation Download PDFInfo
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- CN104763494B CN104763494B CN201510137634.6A CN201510137634A CN104763494B CN 104763494 B CN104763494 B CN 104763494B CN 201510137634 A CN201510137634 A CN 201510137634A CN 104763494 B CN104763494 B CN 104763494B
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- purification
- air inlet
- baffle
- purification membrane
- inlet pipe
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Abstract
The invention discloses a kind of automobile exhaust gas purifying installations, it includes tubulose purification membrane and the net air cavity in tubulose purification membrane to purify membranous system, and positioned at tubulose purification membrane both ends and the first baffle and second baffle that are mutually supported with tubulose purification membrane, the gas outlet being connected to exhaust pipe is equipped with wherein on second baffle, it is additionally provided with air inlet pipe in purification membranous system, gas sealing structure is equipped between the air inlet pipe and net air cavity.The vehicle exhaust evolution device of the present invention, it is simple in structure, dismount convenient, cleanable regeneration.The device makes full use of tubulose purification membrane, to the pernicious gas and particulate matter progress double purified in vehicle exhaust, greatly alleviates environmental pollution.
Description
Technical field
The present invention relates to a kind of automobile exhaust gas purifying installations.
Background technology
Currently, mainly using outside purification technology to automobile exhaust pollution control process technology.The main side of external purification
Formula is installation exhaust gas cleaner, is handled pernicious gas and particulate matter, and hazardous emission is reduced, to environmental protection.
In existing automobile exhaust gas purifying installation, aseptic filter layer is usually arranged along airflow direction in purifier air inlet pipe
On inner wall between escape pipe, filter layer shape is roughly the same with the cross section of purifier.Its filter layer dismounts, clearly
Clean, replacement is simultaneously inconvenient.Further, since purifier depends not only on filtering for the clean-up effect of pernicious gas and particulate matter
The layer material of itself, it is also related with the contact area of filter layer with pernicious gas, therefore the cross section size of purifier and filtering
The quantity of layer also has a significant impact to clean-up effect.In one timing of shapes and sizes of purifier shell, if filter layer is set
It is excessive to set quantity, is not only inconvenient to install, also resulting in filter layer cannot make full use of, to result in waste of resources.In addition, existing
In some purifiers, vehicle exhaust cannot buffer well after entering purifier, this also results in the utilization of filter layer
Rate is not high, and the purification of pernicious gas and particulate matter in vehicle exhaust is not enough, and is unfavorable for environmental protection.
Invention content
Problem to be solved by this invention has been to provide a kind of knot for making full use of purification membrane effectively to purify vehicle exhaust
Structure is simple, dismounting is light, convenient for the regenerated automobile exhaust gas purifying installation of cleaning.
The automobile exhaust gas purifying installation of the present invention, the purification membranous system include net air cavity, tubulose purification membrane, and positioned at pipe
Shape purification membrane both ends and the first baffle and second baffle mutually supported with tubulose purification membrane, wherein on second baffle be equipped with
The gas outlet of exhaust pipe connection, purifies in membranous system and is additionally provided with air inlet pipe, and it is close that gas is equipped between the air inlet pipe and net air cavity
Seal structure.The tubulose purification membrane and both ends that purification membranous system is played a supportive role by net air cavity, middle part play the of support connection function
One baffle, second baffle composition.Only the air seal of gas after being equipped with isolation vehicle exhaust between air cavity and air inlet pipe and purifying
Structure.Vehicle exhaust after air inlet pipe enters purifier inner cavity, pernicious gas and particulate matter using tubulose purification membrane into
After row filtration, purification, into net air cavity, then the gas outlet by purifying membranous system will pass through filtered gas in net air cavity
It is discharged from exhaust pipe.
Furthermore, it is understood that the automobile exhaust gas purifying installation of the present invention has the shell that can accommodate purification membranous system, it is described
Air inlet pipe and exhaust pipe and cage connection.It is set on the shell of automobile exhaust gas purifying installation there are two opening, is respectively used to install
Air inlet pipe and exhaust pipe are connected, inside the shell installation purification membranous system.
Wherein, the first baffle connection air inlet pipe of membranous system is purified, second baffle connects exhaust pipe.When in use, first
First baffle and second baffle are separately connected air inlet pipe, exhaust pipe, this so that purify membranous system connects with air inlet pipe and an air outlet pipe
It is connected in an entirety, is then integrally packed into them in the shell of exhaust gas cleaner.This keeps the installation of purification membranous system simple
Fast.In use for some time, also can its integral demounting be subjected to the cleaning or replacement of purification membranous system, it is very convenient.
A kind of structure the simplest is to purify the first baffle of membranous system to connect by welding with air inlet pipe, the
Two baffles are connect by welding with exhaust pipe.Air inlet pipe and exhaust pipe are respectively welded to the first gear of purification membranous system
On plate and second baffle, keep them whole more secured, dismounting is also more convenient.Certainly other connection types can also be used such as
Riveting, splicing etc..
In addition, in the purification membranous system, the junction of net air cavity and first baffle is provided with the gas sealing structure.
The gas sealing structure can be the airtight structure fitted closely with first baffle between net air cavity and air inlet pipe.Due to
First baffle is between net air cavity and air inlet pipe, therefore a kind of more simple gas sealing structure is in net air cavity and first gear
Plate junction uses fluid sealant.It not only can realize sealing function, also make the structure of whole device simpler compact.
For purifying membranous system, a kind of better structure is that in-between tubulose purification membrane is purified including at least outer layer
Film group and inner layer purification membrane group.After vehicle exhaust enters purifier inner cavity, outer layer purification membrane group, part can be passed through first
By being cleaned after outer layer film surface, rest part particulate matter and pernicious gas are net by inner layer film group for grain object and pernicious gas
Change.Under the double purified effect of two groups of purification membranes, most particulate matters and pernicious gas in vehicle exhaust can obtain
Purification.
Wherein, a kind of preferred structure of outer layer purification membrane group, which is it, has at least two filtering surfaces.Such as outer layer purification
Film in wave shape can be distributed in around inner layer purification membrane group, and this structure can increase between pernicious gas and outer layer purification membrane group
Contact area, so that pernicious gas is more purified when by outer layer purification membrane group, to it is significantly more efficient reduction have
The discharge of evil gas.
In addition, the air inlet tube wall of the automobile exhaust gas purifying installation of the present invention is circumferentially with air inlet.It is circumferential in air inlet pipe
The air inlet of distribution can make vehicle exhaust enter purifier from different directions, and gas distribution is wider, can improve tubulose
The utilization rate of purification membrane, to reduce the discharge of pernicious gas and particulate matter.
More preferably structure is that air inlet is circumferentially uniformly distributed in air inlet tube wall to one kind, this makes vehicle exhaust in purifier
Interior distribution is more uniform, further reduces the possibility of pernicious gas and Particulate Pollution environment.
In addition, the shell shape of automobile exhaust gas purifying installation of the invention is oblateness.Due to the air inlet in air inlet pipe
Opposite purifier inner cavity is smaller, and it is overall in a tubular form to purify membranous system, oblate shell can make purification membrane system with it is outer
Spatial joint clearance between shell is inconsistent in circumferential direction, after vehicle exhaust flows into the inner cavity of purifier from smaller air inlet, week
Preferable cushioning effect can be played to gas to inconsistent spatial joint clearance.Pernicious gas in vehicle exhaust is after buffering
Distribution is more uniform, so that it is more fully cleaned, is conducive to environmental protection.Certainly, shell shape is not limited in ellipse
Shape can be also ellipse or other shapes, so that gas is uniformly distributed as long as being conducive to buffer gas.
The vehicle exhaust evolution device of the present invention, it is simple in structure, dismount convenient, cleanable regeneration.The device is fully sharp
Environment is greatly alleviated to the pernicious gas and particulate matter progress double purified in vehicle exhaust with tubulose purification membrane
Pollution.
Specific implementation mode with reference to embodiments is described in further detail the above of the present invention again.
But the range that this should not be interpreted as to the above-mentioned theme of the present invention is only limitted to example below.Think not departing from the above-mentioned technology of the present invention
In the case of thinking, the various replacements or change made according to ordinary skill knowledge and customary means should all be included in this hair
In bright range.
Description of the drawings
Fig. 1 is the longitudinal sectional drawing of automobile exhaust gas purifying installation of the present invention.
Fig. 2 is the middle part transverse cross-sectional view of automobile exhaust gas purifying installation of the present invention.
Specific implementation mode
Automobile exhaust gas purifying installation as shown in Figure 1, purification membranous system include net air cavity 2, tubulose purification membrane 42, and positioned at pipe
42 both ends of shape purification membrane and the first baffle 41 and second baffle 43 mutually supported with tubulose purification membrane 42, wherein in second baffle
43 are equipped with the gas outlet 10 being connected to exhaust pipe 6, purify and are additionally provided with air inlet pipe 1 in membranous system, the air inlet pipe 1 and net air cavity
Gas sealing structure 12 is equipped between 2.Be equipped with shell 5 in purification membrane exterior, set that there are two openings on shell 5, respectively with
Air inlet pipe 1, exhaust pipe 6 are connected.Air inlet pipe 1 is welded on the first baffle 41 of tubulose purification membrane 42, exhaust pipe 6 is welded on
On second baffle 43, so that air inlet pipe 1, exhaust pipe 6 and purification membranous system is become an entirety, its integral installation is entered in shell 5.
The gas sealing structure 12 for making net air cavity 2 completely cut off with vehicle exhaust is provided in the junction of net air cavity 2 and first baffle 41.Outside
Shell 5 is connect with air inlet pipe 1 by end cap 8, and is sealed by sealing ring 13, shell 5 and exhaust pipe 6 using sealing element 9 into
Row sealing, makes clean room 3 and atmospheric isolation, is then attached positioning to exhaust pipe 6 and shell 5 using locking member 7.Work as automobile
After tail gas enters clean room 3 by the equally distributed air inlet 11 of circumferential direction in air inlet pipe 1, pernicious gas and particulate matter are again through outer
Layer purification membrane group 421 and inner layer purification membrane group 422 are by after filtration, purification, into net air cavity 2, then by purifying going out for membranous system
Gas port 10 will be discharged by filtered gas from exhaust pipe 6 in net air cavity 2.
Automobile exhaust gas purifying installation as shown in Figure 2, shell 5 are oblateness, can be with after vehicle exhaust enters clean room 3
It rises and obtains certain buffering, buffering keeps the distribution of pernicious gas and particle more uniform, and more pernicious gases and particulate matter can
To be purified.In addition, outer layer purification membrane group 421 at least has, there are two filtering surfaces, in wave shape to be distributed in inner layer purification membrane group 422
Around, pernicious gas and particulate matter after buffering can be contacted fully with the filtering surface of outer layer purification membrane group 421, thus into
One step reduces the discharge of pernicious gas and particulate matter.
Claims (7)
1. automobile exhaust gas purifying installation, including purification membranous system and the shell (5) that purification membranous system can be accommodated, it is characterised in that：
The purification membranous system includes tubulose purification membrane (42) and the net air cavity (2) in tubulose purification membrane (42), and positioned at pipe
Shape purification membrane (42) both ends and the first baffle (41) and second baffle (43) mutually supported with tubulose purification membrane (42), wherein
Second baffle (43) is equipped with the gas outlet (10) being connected to exhaust pipe (6), purifies in membranous system and is additionally provided with air inlet pipe (1), institute
It states and is equipped with gas sealing structure (12) between air inlet pipe (1) and net air cavity (2)；The air inlet pipe (1) and exhaust pipe (6) with it is outer
Shell (5) connects, and air inlet pipe (1) tube wall is circumferentially with air inlet (11), and shell (5) shape is oblate so that purification membrane system
Spatial joint clearance between system and shell (5) is inconsistent in the circumferential.
2. automobile exhaust gas purifying installation as described in claim 1, it is characterised in that：The first baffle of the purification membranous system
(41) connection air inlet pipe (1), second baffle (43) connect exhaust pipe (6).
3. automobile exhaust gas purifying installation as claimed in claim 2, it is characterised in that：The first baffle of the purification membranous system
(41) it is connect by welding with air inlet pipe (1), second baffle (43) is connect by welding with exhaust pipe (6).
4. automobile exhaust gas purifying installation as described in claim 1, it is characterised in that：The net air cavity (2) and first baffle
(41) junction is provided with the gas sealing structure (12).
5. automobile exhaust gas purifying installation as described in claim 1, it is characterised in that：The tubulose purification membrane (42) includes at least
(422) two groups of outer layer purification membrane group (421) and inner layer purification membrane group.
6. automobile exhaust gas purifying installation as claimed in claim 5, it is characterised in that：The outer layer purification membrane group (421) has
At least two filtering surfaces.
7. automobile exhaust gas purifying installation as described in claim 1, it is characterised in that：The air inlet (11) is in air inlet pipe (1)
Tube wall is circumferentially uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510137634.6A CN104763494B (en) | 2015-03-26 | 2015-03-26 | Automobile exhaust gas purifying installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510137634.6A CN104763494B (en) | 2015-03-26 | 2015-03-26 | Automobile exhaust gas purifying installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104763494A CN104763494A (en) | 2015-07-08 |
| CN104763494B true CN104763494B (en) | 2018-07-20 |
Family
ID=53645543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510137634.6A Active CN104763494B (en) | 2015-03-26 | 2015-03-26 | Automobile exhaust gas purifying installation |
Country Status (1)
| Country | Link |
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| CN (1) | CN104763494B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288890A (en) * | 2022-06-15 | 2022-11-04 | 美国水晶温热能有限公司 | Automobile tail waste gas purification membrane and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3989471A (en) * | 1975-04-14 | 1976-11-02 | Tenneco Inc. | Radial flow catalytic converter having thermal expansion compensating means |
| CN1119128A (en) * | 1994-04-11 | 1996-03-27 | 施坎比亚工业发展公开股份有限公司 | Catalyst for catalytic processing waste gas |
| CN1431389A (en) * | 2003-02-17 | 2003-07-23 | 清华大学 | Single Channel radial Drum type device for filtering small particles in tail gas of diesel cars |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITTO20010034A1 (en) * | 2001-01-19 | 2002-07-19 | Fiat Ricerche | PARTICULATE FILTER FOR DIESEL ENGINES |
| JP2005180262A (en) * | 2003-12-18 | 2005-07-07 | Tetsuo Toyoda | Particulate matter reducing device |
| CN100465415C (en) * | 2004-05-24 | 2009-03-04 | 日野自动车株式会社 | Exhaust gas purifier |
| CN203308550U (en) * | 2013-04-25 | 2013-11-27 | 郑东勇 | Automobile tail gas filtration device |
| CN103835787A (en) * | 2014-03-17 | 2014-06-04 | 威海市天罡仪表股份有限公司 | Automobile exhaust filtering silencer |
-
2015
- 2015-03-26 CN CN201510137634.6A patent/CN104763494B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3989471A (en) * | 1975-04-14 | 1976-11-02 | Tenneco Inc. | Radial flow catalytic converter having thermal expansion compensating means |
| CN1119128A (en) * | 1994-04-11 | 1996-03-27 | 施坎比亚工业发展公开股份有限公司 | Catalyst for catalytic processing waste gas |
| CN1431389A (en) * | 2003-02-17 | 2003-07-23 | 清华大学 | Single Channel radial Drum type device for filtering small particles in tail gas of diesel cars |
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| Publication number | Publication date |
|---|---|
| CN104763494A (en) | 2015-07-08 |
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