CN207538899U - Vehicle exhaust circulator - Google Patents
Vehicle exhaust circulator Download PDFInfo
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- CN207538899U CN207538899U CN201721486696.9U CN201721486696U CN207538899U CN 207538899 U CN207538899 U CN 207538899U CN 201721486696 U CN201721486696 U CN 201721486696U CN 207538899 U CN207538899 U CN 207538899U
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- tail gas
- air inlet
- pipe
- tube
- engine
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Abstract
The utility model is related to a kind of vehicle exhaust circulator, including low temperature exhaust gas processing unit, tail gas heat sink, air cleaner, third connecting tube is connected on air filter, third connecting tube has the connecting pin of the filtering pipe of connection engine, low temperature exhaust gas processing unit includes cooling tube, air inlet tube head, several branch's tracheaes are equipped in cooling tube, space between each branch's tracheae and cooling tube forms water storage cavity, tail gas heat sink includes several cooling tracheaes arranged side by side, the air inlet tube head of low temperature exhaust gas processing unit is connected with tail gas air inlet pipe, tail gas air inlet pipe is connect with the exhaust pipe of engine, tail gas air inlet pipe is equipped with muffler.The vehicle exhaust circulator of the utility model realizes the cycle of tail gas, the tail gas come out from engine emission is sequentially entered by tail gas air inlet pipe to exhaust gas processing device, heat sink, filter, treated, and tail gas is finally returned at engine, it is utilized by engine, tail gas zero-emission is realized, it is free from environmental pollution.
Description
Technical field
The utility model is related to exhaust gas processing device fields, and in particular to a kind of vehicle exhaust circulator.
Background technology
With the increase year by year of auto output, vehicle exhaust pollution on the environment has been hated seriously, has caused society
It can extensive concern.The method of processing tail gas has using ternary catalyzing unit now, and ternary catalyzing unit is mounted in automobile exhaust system
The pernicious gases such as most important external purifying device in system, CO, HC that it can discharge vehicle exhaust are turned by redox
Become harmless carbon dioxide, water and nitrogen.Although by ternary catalyzing unit can cleaning of off-gas to a certain extent, hold
It easily " is poisoned ", is unfavorable for being used for a long time.Catalyst is very sensitive to elements such as sulphur, lead, phosphorus, zinc, and sulphur and lead come from gasoline, phosphorus
Come from lubricating oil with zinc, these four substances and they burn within the engine after formed oxide particle be easily attracted to catalysis
The surface of agent, make catalyst can not with exhaust gas contact, so as to lose catalytic action, i.e., so-called " poisoning " phenomenon.Moreover, work as
When low-temperature condition, ternary catalyzing unit can not start for automobile long-term work, and the soot of engine discharge can be attached to catalyst
Surface causes not contacting with CO and HC, get off for a long time, just blocks the gap of carrier, influences it and converts efficiency.Present place
Reason method is mostly the processing under high temperature, can not change the temperature of tail gas, and exhaust emissions is also the weight for leading to Global Greenhouse Effect
Want one of factor.Moreover, a tail gas part can be re-introduced into the air-breathing of engine in engine, exhaust temperature is higher,
The effect of influencing engine lubricating oil, and then the normal work of engine is influenced, shorten the service life of engine.
Utility model content
The purpose of this utility model is to provide a kind of vehicle exhaust circulator, and environment is caused sternly with solving vehicle exhaust
The problem of heavily contaminated.
To achieve the above object, the utility model vehicle exhaust circulator adopts the following technical scheme that：Vehicle exhaust follows
Loop device, including low temperature exhaust gas processing unit, tail gas heat sink, air cleaner, low temperature exhaust gas processing unit is dropped with tail gas
It is connected by the first connecting tube between warm device, is connected between tail gas heat sink and air filter by the second connecting tube,
Third connecting tube is also associated on air filter, third connecting tube has the connecting pin for connecting the filtering pipe of engine,
It is also integrally formed in third connecting tube for the blowdown pipe to engine tonifying Qi, blowdown pipe one end connects with third connecting tube, is another
One end has air inlet, and blowdown pipe is obliquely installed, and low temperature exhaust gas processing unit includes cooling tube, air inlet tube head, is set in cooling tube
There are several branch's tracheaes, each branch's tracheae is connected with the air inlet tube head, and the first connecting tube is connected with each branch's tracheae,
Space between each branch's tracheae and cooling tube forms water storage cavity, and cooling tube is equipped with for the water inlet pipe of water storage cavity water filling
Head, tail gas heat sink include several cooling tracheaes arranged side by side, and the air inlet tube head of low temperature exhaust gas processing unit is connected with
Tail gas air inlet pipe, tail gas air inlet pipe are located at the outside of low temperature exhaust gas processing unit, and tail gas air inlet pipe has to arrange with engine
The connecting pipe head of tracheae connection, is connected with muffler in tail gas air inlet pipe.
Further, first connecting tube or air inlet tube head are equipped with water trap, for will be produced during vent gas treatment
Raw moisture discharge.
Further, second connecting tube is equipped with drainpipe, and drainpipe connects with the second connecting tube, and drainpipe is along the
Two connecting tube radial skews are set, and the drainage direction of drainpipe is opposite with the airflow direction in the second connecting tube.
Further, the periphery wall of the cooling tube is equipped with several heat-dissipating pipes, heat-dissipating pipe length direction and cooling tube
Length direction is consistent.
The beneficial effects of the utility model：The vehicle exhaust circulator of the utility model, in specific application, vehicle exhaust follows
After loop device is connect with engine, the gas that engine work generates is discharged from exhaust pipe, is entered in tail gas air inlet pipe, without
It is to be directly discharged in air as the prior art.Tail gas is flowed into low temperature exhaust gas processing unit from tail gas air inlet pipe, carries out
Level-one cooling is handled.Tail gas is dispersed in cooling tube in branch's tracheae, with the hydrothermal exchange in cooling tube, is cooled down to tail gas
Processing.Tail gas after level-one cooling enters tail gas heat sink, is cooled down twice processing, and tail gas heat sink includes several
A cooling tracheae arranged side by side, Temperature fall in air, cooling tracheae is long as possible, good cooling effect.Tracheae cool down simultaneously
Row's setting, conducive to the mounting arrangements of tail gas heat sink.By the two-stage cooling processing to tail gas so that the proper temperature of tail gas
Enter eventually into engine.Before tail gas enters engine, tail gas passes through air cleaner, to tail gas filtering.Relative clean
, the tail gas of low temperature, finally enter back into the engine filtering pipe of engine, used for engine.By cooling treated tail gas
It is used by the engine again, it is smaller on lubricating oil influence, lubricating oil, and the vehicle exhaust cycle dress of the utility model are not polluted substantially
Putting realizes the cycle of tail gas, and zero-emission is free from environmental pollution.Although tail gas still has poisonous gas, for engine,
It influences less, is not that people absorbs tail gas after all.It, can also be from benefit in the case that tail gas is not enough when engine suction amount is big
Air-breathing at tracheae increases tolerance, meets requirement.Vehicle exhaust circulator is equipped with muffler also in tail gas air inlet pipe,
Comfort level by bus can be improved, reduces noise pollution.
Description of the drawings
Fig. 1 is the structure diagram of the utility model vehicle exhaust circulator embodiment；
Fig. 2 is the cross-sectional view of low temperature exhaust gas processing unit in Fig. 1；
Fig. 3 is the Longitudinal cross section schematic of low temperature exhaust gas processing unit in Fig. 1.
Corresponding title is respectively marked in figure：1st, air inlet tube head, 2, water trap, 3, cooling tube, 4, heat-dissipating pipe, 5, water inlet pipe
Head, the 6, first connecting tube, 7, cooling tracheae, the 8, second connecting tube, 9, drainpipe, 10, air cleaner, 11, third connection
Pipe, 12, blowdown pipe, 13, filtering pipe, 14, engine, 15, the exhaust pipe of engine, 16, muffler, 17, tail gas air inlet pipe, 18,
Branch's tracheae, 20, shunting air cavity, 21, confluence air cavity.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art's all other embodiments obtained all belong to
In the range of the utility model protection.
The embodiment of the utility model vehicle exhaust circulator：As shown in Figure 1-Figure 3, vehicle exhaust circulator, packet
Include low temperature exhaust gas processing unit, tail gas heat sink, air cleaner 10.Low temperature exhaust gas processing unit and tail gas heat sink it
Between connected by the first connecting tube 6, connected between tail gas heat sink and air filter 10 by the second connecting tube 8.Air
Third connecting tube 11 is connected on filter 10, third connecting tube 11 has the connection for connecting the filtering pipe 13 of engine
It holds, is also integrally formed in third connecting tube 11 for the blowdown pipe 12 to 14 tonifying Qi of engine, 12 one end of blowdown pipe connects with third
11 connection of take over, the other end have air inlet, and blowdown pipe 12 is obliquely installed.The inclined direction of blowdown pipe 12 causes blowdown pipe 12
Energy air inlet, it is impossible to be vented, because having the air-flow for flowing to 14 direction of engine in third connecting tube 11 when in use.
Low temperature exhaust gas processing unit includes cooling tube 3, air inlet tube head 1, several branch's tracheaes 18 are equipped in cooling tube 3,
Each branch's tracheae 18 is connected with air inlet tube head 1.First connecting tube 6 is connected with each branch's tracheae, each branch's tracheae and cooling
Space between pipe forms water storage cavity, and cooling tube is equipped with for the water inlet tube head 5 of water storage cavity water filling, water inlet tube head 5 to be upwards
Setting.Using the water in water storage cavity to being handled by the tail gas cooling of cooling tube, this processing unit is coagulation device.This reality
It applies in example, multiple branch's tracheaes is set, be to improve heat dissipation effect.For ease of branch's tracheae 18 and air inlet tube head 1 and first
The connection of connecting tube 6, cooling tube 3 is interior to be respectively equipped with shunting air cavity 20, confluence air cavity 21 in the both sides of water storage cavity.Shunt air cavity
20th, confluence air cavity 21 is separated with water storage cavity.The gas come in by air inlet tube head 1 is shunted in shunting air cavity 20, is entered each
In branch's tracheae 18.
To improve cooling-down effect, the periphery wall of cooling tube 3 is equipped with several heat-dissipating pipes 4,4 length direction of heat-dissipating pipe with it is cold
But length of tube direction is consistent.Good in other embodiment, heat-dissipating pipe can also be replaced by radiating fin.
The air inlet tube head of low temperature exhaust gas processing unit is connected with tail gas air inlet pipe 17, and tail gas air inlet pipe 17 is located at low temperature exhaust gas
The outside of processing unit, tail gas air inlet pipe 17 have the connecting pipe head for being connect with the exhaust pipe of engine 15, tail gas air inlet pipe
Muffler 16 is connected on 17.The structure of muffler 16 is the prior art.
Tail gas heat sink includes several cooling tracheaes 7 arranged side by side, and tail gas heat sink uses in air certainly
The mode so to cool down, 1.5 meters or so of the pipe range for the tracheae that cools down.Only structure diagram shown in Fig. 1, does not represent true
Length ratio.Why set cooling tracheae in a row, be to consider the problems of installation space, the structure set in a row, convenient for arranging,
Such as on the downside of vehicle chassis.The end of each cooling tracheae is connected together by a transverse tube.
First connecting tube and air inlet tube head are equipped with water trap 2, for the moisture discharge that will be generated during vent gas treatment.
Also can water trap only be set in the first connecting tube or air inlet tube head.Water trap includes drainpipe, and drainpipe is built-in, and there are one water
Filter, water filter are permeable airtight；Or drainpipe is directly used, drain pipe diameter is smaller.It is set in second connecting tube 8
There is drainpipe 9, drainpipe 9 is connected with the second connecting tube 8, and drainpipe 9 is set along 8 radial skew of the second connecting tube, drainpipe 9
Airflow direction in drainage direction and the second connecting tube is on the contrary, prevent tail gas from being discharged from drainpipe.
Vehicle exhaust circulator in the present embodiment, in specific application, tube-like piece therein can be set as needed
Be set to it is curved, in order to mounting arrangements.After vehicle exhaust circulator is connect with engine, engine work generate gas from
Exhaust pipe is discharged, and is entered in tail gas air inlet pipe 17 rather than is directly discharged in air as the prior art.Tail gas is from tail
Gas air inlet pipe is flowed into low temperature exhaust gas processing unit, carries out level-one cooling processing, and tail gas is dispersed to branch's gas in cooling tube
Guan Zhong, it is more preferable with the heat exchange effect of water, conducive to cooling.Tail gas after cooling enters tail gas heat sink, carries out secondary drop
Temperature processing so that the proper temperature of tail gas enters eventually into engine 14.Before tail gas enters engine, tail gas passes through air
Filter 10, to tail gas filtering.Relative clean, low temperature tail gas finally enters back into the filtering pipe 13 of engine, for engine
It uses.The vehicle exhaust circulator of the utility model, realizes the cycle of tail gas, zero-emission, not recontamination environment.And cooled down
Treated, and tail gas is used by the engine again, smaller on lubricating oil influence, does not pollute lubricating oil substantially.Although tail gas still has
Toxic gas, but for engine, influence less, be not that people absorbs tail gas after all.During this, generated in tail gas
A small amount of moisture can be discharged from water trap.When engine suction amount is big, tail gas itself is not enough, can also be inhaled at blowdown pipe
Gas increases tolerance.Vehicle exhaust circulator in the present embodiment is additionally provided with muffler 16, can improve comfort level by bus, subtract
Small noise pollution.
Vehicle exhaust circulator in the present embodiment is relatively suitable for use on new car, in the design phase, it is contemplated that installation
The problem of circulation of tail gas device.
In other embodiments, drainpipe can be also not provided with.In other embodiments, the cooling of vehicle exhaust circulator
Pipe is not provided with shunting air cavity, confluence air cavity, and also possible, position and branch's gas in hole are connected by connecting plate transition with holes
Pipe corresponds to.
Claims (4)
1. vehicle exhaust circulator, it is characterised in that：Including low temperature exhaust gas processing unit, tail gas heat sink, air-filtering
Device is connected between low temperature exhaust gas processing unit and tail gas heat sink by the first connecting tube, tail gas heat sink and air mistake
It is connected between filter by the second connecting tube, third connecting tube is also associated on air filter, third connecting tube, which has, to be used for
The connecting pin of the filtering pipe of engine is connected, is also integrally formed in third connecting tube for the blowdown pipe to engine tonifying Qi, mended
Tracheae one end is connected with third connecting tube, the other end has air inlet, and blowdown pipe is obliquely installed, and low temperature exhaust gas processing unit includes
Cooling tube, air inlet tube head, cooling tube is interior to be equipped with several branch's tracheaes, and each branch's tracheae is connected with the air inlet tube head, the
One connecting tube is connected with each branch's tracheae, and the space between each branch's tracheae and cooling tube forms water storage cavity, is set on cooling tube
The water inlet tube head to water storage cavity water filling is useful for, tail gas heat sink includes several cooling tracheaes arranged side by side, low temperature tail
The air inlet tube head of Flash Gas Compression Skid System is connected with tail gas air inlet pipe, and tail gas air inlet pipe is located at the outside of low temperature exhaust gas processing unit, tail
Gas air inlet pipe has the connecting pipe head for being connect with the exhaust pipe of engine, and muffler is connected in tail gas air inlet pipe.
2. vehicle exhaust circulator according to claim 1, it is characterised in that：First connecting tube or air inlet tube head
Water trap is equipped with, for the moisture discharge that will be generated during vent gas treatment.
3. vehicle exhaust circulator according to claim 1, it is characterised in that：Second connecting tube is equipped with draining
Pipe, drainpipe connects with the second connecting tube, and drainpipe is set along the second connecting tube radial skew, the drainage direction of drainpipe and the
Airflow direction in two connecting tubes is opposite.
4. vehicle exhaust circulator according to any one of claims 1 to 3, it is characterised in that：Outside the cooling tube
Peripheral wall is equipped with several heat-dissipating pipes, and heat-dissipating pipe length direction is consistent with cooling tube length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721486696.9U CN207538899U (en) | 2017-11-09 | 2017-11-09 | Vehicle exhaust circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721486696.9U CN207538899U (en) | 2017-11-09 | 2017-11-09 | Vehicle exhaust circulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207538899U true CN207538899U (en) | 2018-06-26 |
Family
ID=62611041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721486696.9U Expired - Fee Related CN207538899U (en) | 2017-11-09 | 2017-11-09 | Vehicle exhaust circulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207538899U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555587A (en) * | 2018-11-26 | 2019-04-02 | 马鞍山迪斯福工业设计有限公司 | A kind of automobile exhaust gas processing apparatus |
| CN109675408A (en) * | 2019-01-24 | 2019-04-26 | 青岛华晨伟业电力科技工程有限公司 | A kind of circulation engine tail gas treatment device |
-
2017
- 2017-11-09 CN CN201721486696.9U patent/CN207538899U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555587A (en) * | 2018-11-26 | 2019-04-02 | 马鞍山迪斯福工业设计有限公司 | A kind of automobile exhaust gas processing apparatus |
| CN109675408A (en) * | 2019-01-24 | 2019-04-26 | 青岛华晨伟业电力科技工程有限公司 | A kind of circulation engine tail gas treatment device |
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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: 20180626 Termination date: 20181109 |