CN105736090B - A kind of vehicle tail gas treater - Google Patents
A kind of vehicle tail gas treater Download PDFInfo
- Publication number
- CN105736090B CN105736090B CN201610209746.2A CN201610209746A CN105736090B CN 105736090 B CN105736090 B CN 105736090B CN 201610209746 A CN201610209746 A CN 201610209746A CN 105736090 B CN105736090 B CN 105736090B
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- Prior art keywords
- splicing
- hole
- tail gas
- cylinder
- card
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/0217—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters the filtering elements having the form of hollow cylindrical bodies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/0211—Arrangements for mounting filtering elements in housing, e.g. with means for compensating thermal expansion or vibration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0821—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with particulate filters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of vehicle tail gas treaters, including being provided with the outer barrel of inlet tube and outlet tube and the inner cylinder of connection air inlet and gas outlet being arranged in outer barrel, the inner cylinder includes several splicing tubes mutually spliced, it is provided with sealing plate in several splicing tubes, through slot is all offered on the sealing plate, and the through slot of relatively another splicing tubes upper sealing plate is in shift to install, the outer barrel includes two the first splicing cylinders being mutually spliced and the second splicing cylinder, it is provided with slot on the first splicing cylinder, it is provided with the inserted sheet for being inserted into slot on the second splicing cylinder, it is provided with card on the inserted sheet, it is provided with hook on the card, it is provided with the card slot entered for hook mouth on the first splicing cylinder, the gasket being bonded with the first splicing cylinder inner wall is provided on the card.Facilitate installation to reach, improves the effect of activated carbon utilization rate.
Description
Technical field
The present invention relates to technical field of waste gas treatment, more particularly to a kind of vehicle tail gas treater.
Background technology
Diesel engine makes it have good economy and reliability by the low burn specific oil consumption that high thermal efficiency is brought, to
Determine that diesel engine will continue in engine design process as prevailing engine and obtained extensive use.However diesel engine
Exhaust pollution but cause growing interest of the people to environment, for diesel engine generate soot particle and higher NOx arrange
It puts.Compared with the gasoline engine of Same Efficieney, the characteristics of due to diesel engine mixed Daqu and burning, the discharge of particle (PM) is
30~50 times of gasoline engine, therefore the particle controlled in exhaust emissions of diesel engine has a very important significance.
PM is exactly " black smoke " for the exhaust pipe discharge usually seen in diesel exhaust gas, mainly by soot, You Jike
Melt into part and sulfate composition, the essential condition of generation is high temperature and ischaemia in diesel engine diffusion combustion, gaseous mixture
Formed it is extremely uneven, fuel-pyrolysis and generate soot；These soots can also adsorb the HC of some macromoleculars, in addition diesel oil sulfur content
It is higher, it is likely to form sulfate in exhaust, also will produce soot；In addition lubricating oil enters burning by piston and cylinder wall gap
Room and cannot fully burn be also PM another main source.
Therefore, exhaust gas processing device just comes into being, and uses it to the purification of vehicle exhaust.And in the prior art, all it is logical
Activated carbon is crossed to carry out absorption tail gas, but the utilization rate of activated carbon is not in fact high, there was only the activity of part in many cases
Charcoal is used, and is reused, and after replacing exhaust gas processing device, it is incomplete to be often found also amount of activated charcoal
It is utilized.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of car tail that activated carbon utilization rate is high
Treatment apparatus.
To achieve the above object, the present invention provides following technical solutions：
A kind of vehicle tail gas treater, including inner barrel and outer barrel are provided with into mouth pipe and outlet tube on the outer barrel,
The inner cylinder is located in outer barrel, and one end of inner cylinder is connect with a mouthful pipe of entering, and the other end is connect with outlet tube, the inner cylinder packet
Several splicing tubes mutually spliced are included, sealing plate is provided in several splicing tubes, through hole is offered on the sealing plate, and
The through hole of contiguous concatenation pipe upper sealing plate is provided with filter element in the setting that partly overlaps in the through hole, described to cross filtering element
It is filter plate made of raw material that part, which is at least one of coaly activated carbon, cocoanut active charcoal, modified activated carbon, and tail gas is from entering
Mouthful pipe enters, and is discharged from outlet tube after the filter plate on several sealing plates, and one end of the splicing tubes is provided with slotting
Block, other end inner wall are provided with the first sliding rail for being rotated after inserted block insertion, are provided on first sliding rail and are inserted into for inserted block
First notch of the first sliding rail is additionally provided with chucking lug in the splicing tubes, is provided with location hole on the chucking lug, and described
Block is provided in one sliding rail, inserted block is when the first sliding rail inward turning goes to the conducting of the location hole on contiguous concatenation pipe, inserted block and gear
Block contradicts, and the outer barrel is provided with for the positioning strip across location hole, and the stitching portion of two neighboring splicing tubes is provided with
Sealing ring, the sealing ring inner ring are socketed in one of splicing tubes and are provided on one end of inserted block, outer ring with it is adjacent another
The inner wall that one end of the first sliding rail is arranged in a splicing tubes is inconsistent, and the outer barrel includes two the first splicings being mutually spliced
Cylinder and second splices cylinder, and slot is provided on the first splicing cylinder, is provided on the second splicing cylinder and is inserted into inserting for slot
Piece is provided with card on the inserted sheet, and hook is provided on the card, is provided on the first splicing cylinder and is buckled into for hook
Card slot, the gasket being bonded with the first splicing cylinder inner wall is provided on the card.
As a further improvement on the present invention：The sealing plate is equipped with several baffles, the baffle with respect to through hole hole at
A caulking groove for fixing filter plate is formed with through hole, the filter plate both ends are pierced by outside caulking groove respectively.As the present invention's
It is further improved：One end of the positioning strip is provided with several card holes, and the other end is provided with the clamping piece coordinated with card hole, described
When one end of positioning strip passes through all location holes, clamping piece is clamped with card hole.
As a further improvement on the present invention：Annular groove is provided in the splicing tubes, the sealing ring is embedded into annular
In slot.
As a further improvement on the present invention：The through hole is using sealing plate as the sector in the center of circle, and fan-shaped central angle is
60~110 °.
As a further improvement on the present invention：Through hole overlapping area on the adjacent sealing plate is entire perforation hole area
30~60%, and through hole on several sealing plates forms a spiral shape drainage channel, after tail gas enters inner cylinder, if by
Helical airflow is formed after dry sealing plate to be discharged from outlet tube.
As a further improvement on the present invention：Described one end that mouth pipe is docked with inner cylinder of entering is provided with for splicing tubes
After inserted block is inserted into and the second sliding rail for rotating, it is provided with the second notch being inserted into for inserted block on second sliding rail, described second
It is additionally provided on sliding rail for preventing inserted block from continuing to rotate the limited block being detached from from the second notch.
As a further improvement on the present invention：Sealing ring, the sealing are provided between the splicing tubes and mouthful pipe of entering
Circle inner ring is socketed in splicing tubes, and outer ring and mouthful inside pipe wall of entering are inconsistent.
As a further improvement on the present invention：The sealing ring and gasket are polytetrafluoroethylene material.
As a further improvement on the present invention：
The filter element includes following parts by weight composition：
40~60 parts of cocoanut active charcoal；
10~30 parts of modified activated carbon；
The modified activated carbon is that cocoanut active charcoal is raw material, and it is 3% sodium gluconate, 15% carbon to be immersed in mass concentration
Sour sodium, 10% copper chloride aqueous solution in soak in modified activated carbon.
Beneficial effects of the present invention, first, by setting the filtration fraction of entire exhaust gas processing device to an outer barrel
Can through after being filtered for multiple times again from gas outlet when tail gas enters inner cylinder from a mouthful pipe of entering for outer barrel with an inner cylinder
It is discharged in pipe, while the through slot on the sealing plate of filter element being installed in the setting that partly overlaps, allowed in this way by one
It, can only be after being filtered in the filter plate on through slot by being also again later another place simultaneously by another sealing plate when a sealing plate
On the one hand the filter plate of position ensure that filter effect, on the other hand also further improve the utilization rate of entire activated carbon filter plate,
With minimum amount, to ensure its maximum adsorption effect.Which reduces the dosages of activated carbon, ensure that its normal use
Under the premise of, reduce the dosage of activated carbon, to reduce cost.
By by the detachable setting of inner barrel and outer barrel so that can be torn open easily on inner cylinder for installing the splicing tubes of filter plate
It unloads and installs, be convenient for changing, while the chucking lug in splicing tubes enables to the inner cylinder detachably installed to exist after the completion of rotation
More stablize under the action of locating rod.
It is essentially all the connection by welding the entire tube body realized in the prior art, but the absorption of internal activated carbon
Ability is limited, after long-time use, after activated carbon surface is all capped, the adsorption capacity of activated carbon can under
Drop, thus needs to replace entire exhaust gas treating device.
The present invention is by by the detachable setting of inner barrel and outer barrel so that can for installing the splicing tubes of filter plate on inner cylinder
Easy removal and installation, are convenient for changing, while the chucking lug in splicing tubes after the completion of rotation enables to detachably to install
Inner cylinder is more stablized under the action of locating rod.It can also more importantly facilitate and internal filter plate is replaced, it is only necessary to
It is simple to dismount, so that it may to realize.Its entirety need not also be replaced after dismounting, it is only necessary to take filter plate from caulking groove
Go out, then carries out replacing.It re-assemblies again later.
It is finally reached and improves activated carbon utilization rate, use cost as few as possible reaches adsorption effect as big as possible.
Description of the drawings
Fig. 1 is the overall structure figure of the embodiment of the present invention；
Fig. 2 is the Structure explosion diagram of the embodiment of the present invention；
Fig. 3 is the inner tube structure figure of the embodiment of the present invention；
Fig. 4 is the splicing tubes Structure explosion diagram of the embodiment of the present invention；
Fig. 5 is the splicing cylinder rearview of the embodiment of the present invention；
Fig. 6 is the second splicing barrel structure figure of the embodiment of the present invention；
Fig. 7 is the first splicing barrel structure figure of the embodiment of the present invention；
Fig. 8 is the three-dimensional cutaway view of the first splicing cylinder of the embodiment of the present invention；
Fig. 9 is partial enlarged view at the A of Fig. 2；
Figure 10 is the through slot distribution schematic diagram of the embodiment of the present invention.
Specific implementation mode
The present invention is described in further detail below in conjunction with the embodiment given by attached drawing.
Shown in Figure 10, a kind of vehicle tail gas treater of the present embodiment, including inner cylinder 4 and outer barrel 3, it is described
Mouthful pipe 1 and outlet tube 2 are provided on outer barrel 3, the inner cylinder 4 is located in outer barrel 3, and one end of inner cylinder 4 and mouth of entering
Pipe 1 connects, and the other end is connect with outlet tube 2, and the inner cylinder 4 includes several splicing tubes 5 mutually spliced, several splicings
It is provided with sealing plate 6 in pipe 5, through hole is offered on the sealing plate 6, and the through hole of 5 upper sealing plate 6 of contiguous concatenation pipe is in part
It overlaps, filter element is provided in the through hole, the filter element is by coaly activated carbon, cocoanut active charcoal, changes
Property at least one of activated carbon be filter plate 8 made of raw material, tail gas enters from mouthful pipe 1 of entering, by several sealing plates 6
It is discharged from outlet tube 2 after filter plate 8, one end of the splicing tubes 5 is provided with inserted block 9, and other end inner wall is provided with for inserting
The first sliding rail 10 for rotating after block 9 is inserted into is provided on first sliding rail 10 and is inserted into the first of the first sliding rail 10 for inserted block 9 and lacks
Mouthfuls 11, chucking lug 13 is additionally provided in the splicing tubes 5, and location hole 14, first sliding rail are provided on the chucking lug 13
Block 12 is provided in 10, inserted block 9 is when 10 inward turning of the first sliding rail goes to the conducting of the location hole 14 on contiguous concatenation pipe 5, inserted block 9
It is contradicted with block 12, the outer barrel 3 is internally provided with for the positioning strip 15 across location hole 14, two neighboring splicing tubes 5
Stitching portion is provided with sealing ring 16, and 16 inner ring of the sealing ring is socketed in one end that one of splicing tubes 5 are provided with inserted block 9
On, the inner wall of outer ring and one end that the first sliding rail 10 is arranged in another adjacent splicing tubes 5 is inconsistent, and the outer barrel 3 includes two
A the first splicing cylinder 17 and second being mutually spliced splices cylinder 18, and slot 19, institute are provided on the first splicing cylinder 17
The inserted sheet 20 for being provided on the second splicing cylinder 18 and being inserted into slot 19 is stated, card 21, the card 21 are provided on the inserted sheet 20
On be provided with hook 22, be provided with the card slot 23 buckled into for hook 22 on the first splicing cylinder 17, be arranged on the card 21
There is the gasket 24 being bonded with the first splicing 17 inner wall of cylinder.
As a kind of improved specific implementation mode：The sealing plate 6 is equipped with several baffles 25, institute with respect to through hole hole at
It states baffle 25 and through hole forms a caulking groove 26 for fixing filter plate 8,8 both ends of the filter plate are pierced by respectively to caulking groove 26
Outside.
As a kind of improved specific implementation mode：One end of the positioning strip 15 is provided with several card holes 27, the other end
Be provided with the clamping piece 28 coordinated with card hole 27, when one end of the positioning strip 15 passes through all location holes 14, clamping piece 28 with
Card hole 27 is clamped.
As a kind of improved specific implementation mode：Annular groove 32 is provided in the splicing tubes 5, the sealing ring 16 is embedding
Enter into annular groove 32.
As a kind of improved specific implementation mode：It is the sector in the center of circle that the through hole, which is with sealing plate 6, and the fan-shaped center of circle
Angle is 60~110 °.
As a kind of improved specific implementation mode：Through hole overlapping area on the adjacent sealing plate 6 is entire perforation
The 30~60% of hole area, and the through hole on several sealing plates 6 forms a spiral shape drainage channel, tail gas enters inner cylinder 4
Afterwards, helical airflow is formed after several sealing plates 6 to be discharged from outlet tube 2.
As a kind of improved specific implementation mode：Described one end that mouthful pipe 1 is docked with inner cylinder 4 of entering is provided with for spelling
After inserted block 9 is inserted on take over 5 and the second sliding rail 29 for rotating, second be inserted into for inserted block 9 is provided on second sliding rail 29
Notch 30 is additionally provided with for preventing inserted block 9 from continuing to rotate the limit being detached from from the second notch 30 on second sliding rail 29
Block 31.
As a kind of improved specific implementation mode：It is provided with sealing ring 16 between the splicing tubes 5 and mouthful pipe 1 of entering,
As a kind of improved specific implementation mode：16 inner ring of the sealing ring is socketed in splicing tubes 5, outer ring and is entered in mouthful pipe 1
Wall is inconsistent.
As a kind of improved specific implementation mode：The sealing ring 16 and gasket 24 are polytetrafluoroethylene material.
As a kind of improved specific implementation mode：
The filter element includes following parts by weight composition：
40~60 parts of cocoanut active charcoal；
10~30 parts of modified activated carbon；
The modified activated carbon is that cocoanut active charcoal is raw material, and it is 3% sodium gluconate, 15% carbon to be immersed in mass concentration
Sour sodium, 10% copper chloride aqueous solution in soak in modified activated carbon.
When mounted, filter plate 8 is installed first, filter plate 8 is straight forming, is directly nested into and is arranged in each splicing
In the caulking groove 26 of sealing plate 6 on pipe 5, while the both ends of filter plate 8 are exposed outside caulking groove 26, have arrived facilitate fixed filter plate in this way
8 effect so that the easier for installation and stabilization of filter plate 8, while filter plate 8 being exposed outside caulking groove 26, it will be able to so that in tail
It is the area contacted with filter plate 8 that can have bigger that gas, which leads to filter plate 8,.
Several splicing tubes 5 are mutually stitched together later, the inserted block 9 in one of splicing tubes 5 is existed by setting
Enter in the first sliding rail 10 after the first notch 11 in another splicing tubes 5, splicing tubes 5 are rotated later, inserted block 9 is revolved
Enter to playing fixed effect inside the first sliding rail 10, and so on, need the inner cylinder 4 of how much length, so that it may with as needed into
Row adjustment length, to match the vehicle tail gas treater of various different length demands.After the installation for completing each splicing tubes 5,
Filter block in each splicing tubes 5 is spirally distributed, and under the setting of block 12, playing prevents splicing tubes 5 from excessively rotating, together
When splicing tubes 5 on chucking lug 13 be also aligned successively, the alignment of chucking lug 13, chucking lug are also facilitated under the action of block 12
Location hole 14 on 13 is also concentric successively, is inserted into the splicing tubes 5 that inserted block 9 has not been used is arranged inside outer barrel 3 later
Enter in mouthful pipe 1, the second notch 30 on mouthful pipe 1 of entering can make the slide-in of inserted block 9 enter the second sliding rail 29, again will later
Entire mounted inner cylinder 4 is rotated, and inserted block 9 can enter in the second sliding rail 29, and in the effect of limited block 31
Under also prevent the excessive rotation of entire inner cylinder 4.Simultaneously under the collective effect of sealing ring 16, during also ensuring its use
Leakproofness.
Positioning strip 15 is passed through into above-mentioned all location holes 14 later, it will be able to enable splicing tubes 5 in the circumferential not
It can move, the both ends of positioning strip 15 are pierced by the both ends of location hole 14, are bent later backwards to filter cylinder, will stretch out 14 liang of location hole
The positioning strip 15 at end is overlapped together, later the clamping piece 28 wherein on one section of positioning strip 15, and it is another to be embedded into positioning strip 15
In the card hole 27 of one end, multiple clamping pieces 28 and card hole 27 can be set at the both ends of positioning strip 15, it as needed, being capable of jail
Gu the fixed splicing tubes 5 being stitched together, ensure that the stabilization of splicing tubes 5.
The the first splicing cylinder 17 and second for making outer barrel 3 is finally spliced cylinder 18 again to be mutually stitched together, is being spliced
In the process, the inserted sheet 20 on the second splicing cylinder 18 is inserted into the slot 19 on the first splicing cylinder 17, it will be able to realize the first spelling
Connect cylinder 17 and second is spliced the formation of cylinder 18 one and is pre-fixed, and the card 21 on inserted sheet 20 is inserted into the first splicing cylinder 17 again later
Inside, so that the hook 22 on card 21 can be embedded into the card slot 23 of the first splicing cylinder 17.Simultaneously in gasket 24
Under the action of, the leakproofness of gas when can improve use.Complete the processing of entire vehicle tail gas treater.
In use, tail gas is entered by mouthful pipe 1 of entering inside outer barrel 3, due to entering, mouthful pipe 1 is connect with inner cylinder 4, later
Tail gas can enter in inner cylinder 4, since position and the filter plate 8 before of filter plate 8 shift to install, and as tail gas is continuous
Into subsequent splicing tubes 5, a spiral air flow is formed on the whole.Thus, on the one hand enhance the speed of tail gas, together
When also ensure the utilization rate of filter plate 8, ensure that making full use of for filter plate 8.
Embodiment one selects coaly activated carbon in the selection of strainer plate material.
Embodiment two selects cocoanut active charcoal in the selection of strainer plate material.
Embodiment three, in the selection of strainer plate material, including following parts by weight composition：
40~60 parts of cocoanut active charcoal；
10~30 parts of modified activated carbon；
The modified activated carbon is that cocoanut active charcoal is raw material, and it is 3% sodium gluconate, 15% carbon to be immersed in mass concentration
Sour sodium, 10% copper chloride aqueous solution in soak in modified activated carbon.
Comparative example one, essentially identical with embodiment one, difference lies in entire sealing plate is all changed to coaly activated carbon.
Test method：
1) diesel engine preheating is in normal operating conditions, and exhaust system must not have leakage；Detecting instrument preheats；
2) vehicle tail gas treater equipped with different activities charcoal is connected in Diesel Engine Exhaust Pipe, and must not also has leakage；
3) sampling probe is inserted into vehicle tail gas treater by regulation；
4) rapid but not fiercely to put one's foot down under engine idling, make the maximum oil mass of injection pump supply.It is sending out
Before motivation reaches the maximum (top) speed of governor permission, this position is kept, once reach maximum (top) speed, release the gas pedal immediately,
So that engine is restored to idling, that is, uses the free acceleration method of the free accelerating mode of national regulations；
5) continuous in the same way to accelerate, each full-scale reading value is read, the arithmetic average of four measurement results is taken
Value is the testing result of the vehicle.
Table 1：The absorption coefficient of light (K/m-1) of the diesel engine vent gas under coaly activated carbon suction-operated
| Embodiment one | Embodiment two | Embodiment three | Comparative example one | |
| Average K/m-1 | 0.12 | 0.5 | 0.19 | 0.10 |
It can be obtained by comparing above-mentioned data, comparative example one is to carry out diesel engine using the method for traditional technology means
Tail gas filtering, the tail gas absorption coefficient of light reaches 0.1K/m-1, and uses the embodiment one of structure of the invention that can similarly reach
To with the comparable effect of traditional technology, while also reducing the usage amount of activated carbon, reduce cost.
Embodiment one and embodiment two compare, can be apparent from, the function and effect of cocoanut active charcoal are poor,
Therefore it makes and being further improved on its basis, it is original that the modified activated carbon prepared by embodiment three, which is also with cocoanut active charcoal,
Material, it is also possible that effect achievees the effect that be higher than coconut husk with coaly activated carbon, the price of coaly activated carbon after modification
Activated carbon so further reduces costs.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of vehicle tail gas treater, it is characterised in that：Including inner cylinder（4）And outer barrel（3）, the outer barrel（3）On be provided with
Inlet tube（1）And outlet tube（2）, the inner cylinder（4）Positioned at outer barrel（3）It is interior, and one end of inner cylinder (4) and inlet tube
（1）Connection, the other end and outlet tube（2）Connection, the inner cylinder（4）Including several splicing tubes mutually spliced（5）, Ruo Gansuo
State splicing tubes（5）Inside it is provided with sealing plate（6）, the sealing plate（6）On offer through hole（7）, and contiguous concatenation pipe（5）Upper envelope
Plate（6）Through hole（7）In the setting that partly overlaps, the through hole（7）It is inside provided with filter element, the filter element is served as reasons
At least one of coaly activated carbon, cocoanut active charcoal, modified activated carbon are filter plate made of raw material（8）, tail gas is from air inlet
Pipe（1）Into by several sealing plates（6）On filter plate（8）Afterwards from outlet tube（2）Middle discharge, the splicing tubes（5）'s
One end is provided with inserted block（9）, other end inner wall is provided with for inserted block（9）The first sliding rail rotated after insertion（10）, described first
Sliding rail（10）On be provided with for inserted block（9）It is inserted into the first sliding rail（10）The first notch（11）, the splicing tubes（5）On also set up
There is chucking lug（13）, the chucking lug（13）On be provided with location hole（14）, first sliding rail（10）Inside it is provided with block
（12）, inserted block（9）In the first sliding rail（10）Inward turning goes to contiguous concatenation pipe（5）On location hole（14）When conducting, inserted block（9）With
Block（12）It contradicts, the outer barrel（3）It is internally provided with for across location hole（14）Positioning strip（15）, two neighboring splicing
Pipe（5）Stitching portion be provided with sealing ring（16）, the sealing ring（16）Inner ring is socketed in one of splicing tubes（5）It is provided with
Inserted block（9）One end on, outer ring and another adjacent splicing tubes（5）First sliding rail is set（10）The inner wall of one end offset
It touches, the outer barrel（3）The first splicing cylinder being mutually spliced including two（17）With the second splicing cylinder（18）, described first spells
Connect cylinder（17）On be provided with slot（19）, the second splicing cylinder（18）On be provided with insertion slot（19）Inserted sheet（20）, institute
State inserted sheet（20）On be provided with card（21）, the card（21）On be provided with hook（22）, the first splicing cylinder（17）On
It is provided with for hook（22）The card slot buckled into（23）, the card（21）On be provided with and first splicing cylinder（17）Inner wall fitting
Gasket（24）, the positioning strip（15）One end be provided with several card holes（27）, the other end is provided with and card hole（27）Cooperation
Clamping piece（28）, the positioning strip（15）One end pass through all location holes（14）When, it is clamped piece（28）With card hole（27）Card
It connects.
2. a kind of vehicle tail gas treater according to claim 1, it is characterised in that：The sealing plate（6）Opposite through hole
（7）Hole is equipped with several baffles at（25）, the baffle（25）And through hole（7）One is formed for fixing filter plate（8）It is embedding
Slot（26）, the filter plate（8）Both ends are pierced by respectively to caulking groove（26）Outside.
3. a kind of vehicle tail gas treater according to claim 1, it is characterised in that：The splicing tubes（5）On be provided with
Annular groove, the sealing ring（16）It is embedded into annular groove (32).
4. a kind of vehicle tail gas treater according to claim 1, it is characterised in that：The through hole（7）For with sealing plate
（6）For the sector in the center of circle, and fan-shaped central angle is 60 ~ 110 °.
5. a kind of vehicle tail gas treater according to claim 4, it is characterised in that：The adjacent sealing plate（6）On pass through
Through-hole（7）Overlapping area is entire through hole（7）The 30 ~ 60% of area, and several sealing plates（6）On through hole（7）Form one
Spiral shape drainage channel, tail gas enter inner cylinder（4）Afterwards, by several sealing plates（6）Helical airflow is formed afterwards from outlet tube
（2）Middle discharge.
6. a kind of vehicle tail gas treater according to claim 1, it is characterised in that：The inlet tube（1）With inner cylinder
（4）One end of docking is provided with for splicing tubes（5）Upper inserted block（9）After insertion and rotate the second sliding rail（29）, described second
Sliding rail（29）On be provided with for inserted block（9）The second notch being inserted into（30）, second sliding rail（29）On be additionally provided with for preventing
Only inserted block（9）Continue to rotate the limited block being detached from from the second notch（31）.
7. a kind of vehicle tail gas treater according to claim 1, it is characterised in that：The splicing tubes（5）And air inlet
Pipe（1）Between be provided with sealing ring（16）, the sealing ring（16）Inner ring is socketed in splicing tubes（5）On, outer ring and inlet tube
（1）Inner wall is inconsistent.
8. a kind of vehicle tail gas treater according to claim 1, it is characterised in that：The sealing ring（16）And gasket
（24）It is polytetrafluoroethylene material.
9. a kind of vehicle tail gas treater according to claim 1, it is characterised in that：The filter element includes following heavy
Measure part composition：
40 ~ 60 parts of cocoanut active charcoal；
10 ~ 30 parts of modified activated carbon；
The modified activated carbon is that cocoanut active charcoal is raw material, be immersed in mass concentration be 3% sodium gluconate, 15% sodium carbonate,
Modified activated carbon in soak in the aqueous solution of 10% copper chloride.
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| US4419113A (en) * | 1982-07-08 | 1983-12-06 | General Motors Corporation | Diesel exhaust particulate trap with axially stacked filters |
| US5904042A (en) * | 1997-08-28 | 1999-05-18 | Rohrbaugh; David | Diesel exhaust conditioning system |
| CN203296870U (en) * | 2013-05-20 | 2013-11-20 | 上海控江中学附属民办学校 | Automobile exhaust dust removing device |
| CN205422888U (en) * | 2016-04-05 | 2016-08-03 | 浙江农林大学暨阳学院 | Automobile exhaust treatment device |
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| US4419113A (en) * | 1982-07-08 | 1983-12-06 | General Motors Corporation | Diesel exhaust particulate trap with axially stacked filters |
| US5904042A (en) * | 1997-08-28 | 1999-05-18 | Rohrbaugh; David | Diesel exhaust conditioning system |
| CN203296870U (en) * | 2013-05-20 | 2013-11-20 | 上海控江中学附属民办学校 | Automobile exhaust dust removing device |
| CN205422888U (en) * | 2016-04-05 | 2016-08-03 | 浙江农林大学暨阳学院 | Automobile exhaust treatment device |
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