CN204239024U - Motor-vehicle tail-gas Wet purifier - Google Patents
Motor-vehicle tail-gas Wet purifier Download PDFInfo
- Publication number
- CN204239024U CN204239024U CN201420346698.8U CN201420346698U CN204239024U CN 204239024 U CN204239024 U CN 204239024U CN 201420346698 U CN201420346698 U CN 201420346698U CN 204239024 U CN204239024 U CN 204239024U
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- China
- Prior art keywords
- gas
- motor
- tail
- air pump
- conveyance conduit
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model provides a kind of motor-vehicle tail-gas Wet purifier.It comprises gas skirt, gas skirt has the admission line and voltage stabilizing chamber that are connected, described pressure stabilizing cavity indoor are provided with tail gas vapour lock stabilier, described tail gas vapour lock stabilier is semi-sphere, and described hemispherical outside is towards described admission line, vehicle exhaust is directly sprayed onto on the tail gas vapour lock stabilier in gas skirt; Conveyance conduit, one end of conveyance conduit is communicated with the side of voltage stabilizing chamber away from admission line, and the other end is communicated with treatment box and passes in treatment fluid; Air pump, air pump is connected with conveyance conduit, for the motor-vehicle tail-gas in conveyance conduit is delivered to treatment box.The motor-vehicle tail-gas Wet purifier that the utility model provides, the tail gas collecting vehicular emission carries out wet purification process, reduces the aerial content of nitrogen oxide, and manufacture cost is lower simultaneously.
Description
Technical field
The utility model relates to a kind of motor-vehicle tail-gas Wet purifier, belongs to field of environment engineering technology.
Background technique
Industrial civilization and urban development are while creating great wealth for the mankind, and also the waste gas of billions of tons of meters and refuse are entered among air, the air sphere that the mankind are depended on for existence has become aerial garbage warehouse and poison gas storehouse.Nowadays, the haze weather caused due to atmospheric pollution has become a unavoidable problem in life of urban resident.It is the main cause forming haze weather that factories with their forests of chimneys, Motor Vehicle is die-offed as stream and greenery patches, and especially the discharge of a large amount of motor-vehicle tail-gas in city, causes severe contamination to city air.
Gasoline as fuel for motor vehicle forms primarily of carbon and hydrogen, generates the material such as carbon dioxide and water vapour during gasoline normal combustion.But owing to usually containing other impurity and additive in gasoline, and usually can not perfect combustion, often some harmful matters of discharge.Research shows, the major pollutants in motor-vehicle tail-gas comprise carbon monoxide, hydrocarbon and oxynitrides (as nitrous oxide, nitrogen dioxide) etc.Wherein oxynitrides can damage eyesight and the respiratory system of people, and forms photochemical smog, is the main matter producing acid rain, and plant can be made to become brown until Large Scale Death from green.The more important thing is, dusty gas about 800 meters in overhead, city form inversion layer, shield overhead, whole city, hinder discharge and the cross-ventilation of dusty gas, are the main reason that city haze is not loose lastingly.
As can be seen here, reduce motor-vehicle tail-gas for environmental protect, the quality of life improving people has great importance.A lot of Motor Vehicle is equipped with exhaust gas cleaner, such as ternary catalyzing unit for this reason.Usually, ternary catalyzing unit is made up of housing 1, buffer layer 2, carrier 3 and coating, and as shown in Figure 1, housing 1 has the cylindrical cavity made with double-layer stainless steel thin plate, buffer layer 2 is set in the interlayer of double-layer plate, at cylindrical cavity built with carrier 3, carrier 3 is generally made up of pottery, and its shape is net-like spacer, can also be spherical or prismatic etc., carrier 3 is formed with coating, wherein containing can the noble metal catalyst of purifying motor tail gas, as platinum, rhodium, palladium etc.But above-mentioned ternary catalyzing unit is owing to using precious metal as catalyzer, manufacture cost is higher, is unfavorable for promoting the use of and regularly replacing.In addition, the working life of three-way catalyst is generally 8-10 ten thousand kilometers, and situation about changing not in time due to Cost Problems can cause air purification effect to have a greatly reduced quality.Such as, existing 5,700,000 the private car recoverable amounts in Beijing, and due to its inefficacy of three-way catalyst used, the actual discharge amount being equivalent to 1,500 ten thousand Motor Vehicle, has had a strong impact on the air quality of Beijing City.
Model utility content
The utility model provides a kind of motor-vehicle tail-gas Wet purifier, carries out wet purification process to the tail gas of vehicular emission, reduces the aerial content of nitrogen oxide, and manufacture cost is lower simultaneously.
For achieving the above object, the utility model provides a kind of motor-vehicle tail-gas Wet purifier, comprise gas skirt, described gas skirt has the admission line and voltage stabilizing chamber that are connected, described pressure stabilizing cavity indoor are provided with tail gas vapour lock stabilier, described tail gas vapour lock stabilier is semi-sphere, and described hemispherical outside is towards described admission line; The treatment box for the treatment of fluid is housed;
Conveyance conduit, one end of described conveyance conduit is communicated with the side of described voltage stabilizing chamber away from described admission line, and the other end is communicated with described treatment box and passes in described treatment fluid;
Air pump, described air pump is connected with described conveyance conduit, for the described motor-vehicle tail-gas in conveyance conduit is delivered to described treatment box.
Further, described admission line inwall is provided with gas barrier plate away from one end of described voltage stabilizing chamber, and described gas barrier plate and the described admission line inwall direction at angle and to described voltage stabilizing chamber tilts.
Further, described treatment fluid is water or aqueous solution of urea.
Further, described treatment fluid is alkaline aqueous solution.
Further, the inwall material of described treatment box is plastics or metallic material, as stainless steel etc.
Further, the inwall of described conveyance conduit has rifling.
Further, described air pump is connected with the controller that can adjust air pump pressure according to vehicle running speed, to make described air pump pressure and vehicle running speed negative correlation.
Further, the jointing of described conveyance conduit and described treatment box is provided with Safety valve, and described Safety valve is opened when air pump works, and closes when air pump stops.
Further, described treatment box is equipped with treatment fluid concentration sensor, treatment fluid inefficacy alarm
The motor-vehicle tail-gas Wet purifier that the utility model provides can realize the aerial content of nitrogen oxide that reduction Motor Vehicle discharges, thus reduce the pollution of motor-vehicle tail-gas to air and the harm to human body, meanwhile use treatment fluid to carry out wet purification to vehicle exhaust, make the cost of this exhaust gas cleaner lower.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing ternary catalyzing unit.
The structural representation of the motor-vehicle tail-gas Wet purifier that Fig. 2 provides for the utility model one embodiment.
Embodiment
Accompanying drawing referring to the utility model embodiment describes the utility model more fully.But the utility model can embody in many different forms, should not be construed as the embodiment being limited to and stating herein.
As shown in Figure 2, the utility model embodiment provides a kind of motor-vehicle tail-gas Wet purifier, comprising:
Gas skirt 10, the admission line 11 that described gas skirt 10 is connected and voltage stabilizing chamber 12, be provided with a tail gas vapour lock stabilier 14 in described admission line, tail gas vapour lock stabilier 14 is semi-sphere, and hemispherical outside is towards admission line 11; The treatment box 40 for the treatment of fluid is housed, and described treatment box 40 is for carrying out purified treatment by tail gas;
Conveyance conduit 30, one end of described conveyance conduit 30 is communicated with the side of voltage stabilizing chamber 12 away from admission line 11, and the other end is communicated with described treatment box 40 and passes in described treatment fluid;
Air pump 20, described air pump 20 is arranged in described conveyance conduit 30, for the described motor-vehicle tail-gas in conveyance conduit 30 is delivered to described treatment box 40.The voltage stabilizing chamber 12 of the present embodiment can be spherical, hemisphere or cylindrical etc., and its internal diameter can be greater than the internal diameter of coupled logical admission line 11.
Further, admission line inwall can also be provided with gas barrier plate 13 away from one end of described voltage stabilizing chamber, and gas barrier plate 13 and the admission line 11 inwall direction at angle and to voltage stabilizing chamber 12 tilts.Gas barrier plate 13 is arranged at the inwall of gas-entered passageway 11, can be split type some sheet materials, preferably be evenly distributed on inwall one end away from voltage stabilizing chamber 12 of gas-entered passageway 11, between relative gas barrier plate 13, there is interval, can insert in gas-entered passageway 11 to make motor vehicle exhaust 4.
As shown in Figure 2, the motor-vehicle tail-gas Wet purifier that the present embodiment provides in use, the outlet pipe 4 of motor car engine 5 is inserted in gas-entered passageway 11, makes outlet pipe 4 between relative gas barrier plate 13, and and between voltage stabilizing chamber 12, there is setpoint distance.Carrying out in tail gas absorption process, utilize automobile advance middle generation blast as first time absorb power, tail gas is made to enter gas-entered passageway 11, and be sprayed onto on tail gas vapour lock stabilier 14, tail gas enters the voltage stabilizing chamber 12 had compared with large diameter, to reduce the impact of this device on the vapour lock of motor, after being conducive to making Motor Vehicle normal discharge tail gas, the setting of gas barrier plate 13 effectively can prevent the tail gas effusion entered, thus ensures assimilation effect; Under the effect of air pump 20, produce negative pressure in conveyance conduit 30, it absorbs power as second time and the tail gas of voltage stabilizing chamber 12 inside is sucked conveyance conduit 30, and finally enters treatment box and carry out purified treatment.
The motor-vehicle tail-gas Wet purifier that the utility model provides can be collected and be carried out purified treatment before the tail gas long range diffusion of vehicular emission, effectively can remove the fine flue dust and nitrogen oxide etc. in motor-vehicle tail-gas, do not change again the vapour lock of motor car engine output pipeline simultaneously, and structure is simple, cheap for manufacturing cost.
Treatment box 40 is provided with the relief opening 41 be in communication with the outside, for being expelled in air by purified gas; Also be provided with liquid port 42 and liquid entering hole 43, for discharging and filling treatment fluid.Treatment box 40 such as can be arranged in the boot of Motor Vehicle, and is connected with gas skirt 10 by conveyance conduit 30.In treatment box 40, the volume for the treatment of fluid can be determined according to the content of the exhaust emissions amount in the Motor Vehicle unit time and nitrogen oxide in tail gas, with can effective purifying contaminated gas, and the regulation making the gas of discharge treatment box meet the relevant environmental protection standard of country is as the criterion, and usually can be about 1-10L.
Air pump 20 is arranged in conveyance conduit 30, is delivered in treatment box 40 by the tail gas given off and carries out purified treatment, thus decreases the pollution of tail gas to air of vehicular emission and the harm to health.
Described treatment fluid can be water, or is alkaline aqueous solution.Such as treatment fluid is the aqueous solution of NaOH or KOH.This treatment fluid can absorb nitrogen oxide in motor-vehicle tail-gas (as NO and NO
2), be translated into HNO
3.When using alkaline aqueous solution as treatment fluid, the HNO that can simultaneously will produce
3change neutral nitrate into.
Treatment fluid can also be aqueous solution of urea, and this aqueous solution of urea produces has the ammonia of reduction, according to following formula 1, and the NO in ammonia and motor-vehicle tail-gas
xreaction, is converted into harmless water and N
2, the flue gas particle that simultaneously stability is harmful.When using aqueous solution of urea as treatment fluid, urea concentration usually can between 15-50wt%, to realize good purifying effect.
NH
3+ NO
x→ H
2o+N
2formula 1
Above-mentioned treatment fluid should regularly replace, and judges whether treatment fluid lost efficacy by the concentration of the materials such as urea in check processing liquid or treatment fluid pH.Particularly, treatment fluid can connection handling liquid Failure Alarm device 80, when treatment fluid Failure Alarm device 80 detects that treatment fluid lost efficacy, gives the alarm.Or treatment box 40 is equipped with treatment fluid concentration sensor, treatment fluid inefficacy alarm.Get rid of crash handling liquid by liquid port 42, and carry out again filling from liquid entering hole 43.
The inwall material of described treatment box 40 can be plastics, uses the treatment box inwall of plastic material more effectively can avoid the corrosion of soda acid, extends the working life for the treatment of box.The inwall material for the treatment of box 40 also can use inert metal or pottery etc. in addition, or applies acidproof or alkaline-resisting coating in metal surface, avoids treatment box inwall to be subject to acid and alkali corrosion to reach, thus extends the object in the working life for the treatment of box.
The inwall of described conveyance conduit 30 can have rifling.Described rifling is the line axially presenting helical raised along conveyance conduit, the inwall of conveyance conduit 30 is provided with rifling and is conducive to making the motor-vehicle tail-gas entered wherein enter treatment box at faster speed under the effect of air pump 20, carry out processing and discharging, be conducive to reducing the impact of this motor-vehicle tail-gas Wet purifier for motor vapour lock further.
Described air pump 20 can be connected with the controller 60 that can adjust air pump 20 pressure according to motor vehicle speed, to make pressure and the motor vehicle speed negative correlation of described air pump 20.Particularly, this controller 60 can obtain the speed of motor-driven vehicle going, and the pressure of air pump 20 is adjusted according to this speed, normally travel at Motor Vehicle or run at high speed in process, because producing powerful blast when automobile is advanced, adjust air pump 20 with lower rotary speed working, when motor is idling mode, exhaust emissions amount is relatively large, and now adjustable air pump 20 is with higher rotation speed work.
Described conveyance conduit 30 can be provided with Safety valve with the jointing of described treatment box 40, and described Safety valve is opened when air pump 20 works, and closes when air pump 20 stops.Particularly, this Safety valve can be electromagnetic valve, it is connected with the valve positioner of the working state that can obtain air pump 20, open when air pump 20 works to make Safety valve, close when air pump 20 stops, after this Safety valve can prevent engine cooling, and when air pump 20 stops, treatment fluid suck-back enters air pump 20.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristics; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment's technological scheme of the utility model.
Claims (9)
1. a motor-vehicle tail-gas Wet purifier, is characterized in that, comprising:
Gas skirt, described gas skirt has the admission line and voltage stabilizing chamber that are connected, and described pressure stabilizing cavity indoor are provided with tail gas vapour lock stabilier, and described tail gas vapour lock stabilier is semi-sphere, and described hemispherical outside is towards described admission line;
The treatment box for the treatment of fluid is housed;
Conveyance conduit, one end of described conveyance conduit is communicated with the side of described voltage stabilizing chamber away from described admission line, and the other end is communicated with described treatment box and passes in described treatment fluid;
Air pump, described air pump is connected with described conveyance conduit, for the described motor-vehicle tail-gas in conveyance conduit is delivered to described treatment box.
2. motor-vehicle tail-gas Wet purifier according to claim 1, it is characterized in that, described admission line inwall is provided with gas barrier plate away from one end of described voltage stabilizing chamber, and described gas barrier plate and the described admission line inwall direction at angle and to described voltage stabilizing chamber tilts.
3. motor-vehicle tail-gas Wet purifier according to claim 1, is characterized in that, described treatment fluid is water or aqueous solution of urea.
4. motor-vehicle tail-gas Wet purifier according to claim 1, is characterized in that, described treatment fluid is alkaline aqueous solution.
5. motor-vehicle tail-gas Wet purifier according to claim 1, is characterized in that, the inwall material of described treatment box is plastics or metallic material.
6. motor-vehicle tail-gas Wet purifier according to claim 1, is characterized in that, the inwall of described conveyance conduit has rifling.
7. motor-vehicle tail-gas Wet purifier according to claim 1, is characterized in that, described air pump is connected with the controller that can adjust air pump pressure according to vehicle running speed, to make described air pump pressure and vehicle running speed negative correlation.
8. the motor-vehicle tail-gas Wet purifier according to any one of claim 1-7, is characterized in that, the jointing of described conveyance conduit and described treatment box is provided with Safety valve, and described Safety valve is opened when air pump works, and closes when air pump stops.
9. the motor-vehicle tail-gas Wet purifier according to any one of claim 1-7, is characterized in that, described treatment box is equipped with treatment fluid concentration sensor, treatment fluid inefficacy alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420346698.8U CN204239024U (en) | 2014-06-25 | 2014-06-25 | Motor-vehicle tail-gas Wet purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420346698.8U CN204239024U (en) | 2014-06-25 | 2014-06-25 | Motor-vehicle tail-gas Wet purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239024U true CN204239024U (en) | 2015-04-01 |
Family
ID=52768536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420346698.8U Expired - Fee Related CN204239024U (en) | 2014-06-25 | 2014-06-25 | Motor-vehicle tail-gas Wet purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204239024U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201598A (en) * | 2014-06-25 | 2015-12-30 | 北京新宇航世纪科技有限公司 | Wet-process purification device for motor vehicle tail gas |
| CN106089371A (en) * | 2016-05-20 | 2016-11-09 | 潘泉方 | Vehicle or internal combustion engine exhaust gas mouth tail gas suck digestion process device |
-
2014
- 2014-06-25 CN CN201420346698.8U patent/CN204239024U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201598A (en) * | 2014-06-25 | 2015-12-30 | 北京新宇航世纪科技有限公司 | Wet-process purification device for motor vehicle tail gas |
| CN105201598B (en) * | 2014-06-25 | 2018-05-08 | 北京新宇航世纪科技有限公司 | Motor-vehicle tail-gas Wet purifier |
| CN106089371A (en) * | 2016-05-20 | 2016-11-09 | 潘泉方 | Vehicle or internal combustion engine exhaust gas mouth tail gas suck digestion process device |
| CN106089371B (en) * | 2016-05-20 | 2021-08-24 | 潘泉方 | Tail gas sucking and digesting treatment device for exhaust port of engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 100194 Beijing City, Haidian District Institute of Road No. 2 building a layer of Patentee after: BEIJING XINYUHAN MEASUREMENT & CONTROL TECHNOLOGY CO.,LTD. Patentee after: Zhang Li Address before: 100194 Beijing city Haidian District Sujiatuo postal delivery department 010 box Patentee before: Beijing Xinyuhang Century Science & Technology Co.,Ltd. Patentee before: Zhang Li |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20161125 Address after: 100194 Beijing City, Haidian District Institute of Road No. 2 building a layer of Patentee after: BEIJING XINYUHAN MEASUREMENT & CONTROL TECHNOLOGY CO.,LTD. Address before: 100194 Beijing City, Haidian District Institute of Road No. 2 building a layer of Patentee before: BEIJING XINYUHAN MEASUREMENT & CONTROL TECHNOLOGY CO.,LTD. Patentee before: Zhang Li |
|
| 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: 20150401 Termination date: 20190625 |