CN105195016A - Urban-area road pollution gas wet process purifying system - Google Patents
Urban-area road pollution gas wet process purifying system Download PDFInfo
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- CN105195016A CN105195016A CN201410289695.XA CN201410289695A CN105195016A CN 105195016 A CN105195016 A CN 105195016A CN 201410289695 A CN201410289695 A CN 201410289695A CN 105195016 A CN105195016 A CN 105195016A
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- dusty gas
- gas
- cleaning system
- wet cleaning
- gas wet
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Abstract
The invention provides an urban-area road pollution gas wet process purifying system which comprises a collecting pipeline, a plurality of gas sucking openings, at least one treating pond, a conveying pipeline and a gas pump. The gas sucking openings are formed in the side wall of the collecting pipeline at intervals in the axial direction of the collecting pipeline. The gas sucking openings are provided with valves capable of controlling the gas sucking openings to be opened or closed. The treating ponds contain treating fluid. The conveying pipeline is connected with the collecting pipeline and the treating ponds. The gas pump is connected with the conveying pipeline and used for sucking pollution gas into the collecting pipeline and conveying the pollution gas into the treating ponds. According to the urban-area road pollution gas wet process purifying system, the content of the pollution gas like nitrogen oxide discharged by a motor vehicle in air can be reduced, pollution to the air and harm to the human body from tail gas of the motor vehicle are reduced, air in urban areas is purified, and urban air quality is improved.
Description
Technical field
The present invention relates to a kind of downtown roads dusty gas wet cleaning system, belong to field of environment engineering technology.
Background technology
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 air 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, automobile 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 steam during gasoline normal combustion.But owing to usually containing other impurity and additive in gasoline, and usually can not burn completely, normal some harmful substances of discharge.Research shows, the major pollutants in vehicle exhaust comprise carbon monoxide, hydrocarbon and oxynitrides (as nitric oxide, nitrogen dioxide) etc.Wherein oxynitrides can damage eyesight and the respiratory system of people, and forms photochemical fog, 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.
The quickening of Process of Urbanization Construction, urban population density rapid expanding, people's car blends, the smooth and easy of urban transportation becomes extravagant hope all the more, another outstanding problem brought thus is exactly that vehicular emission has encouraged atmospheric degradation, and severe air is difficult to disperse in zonule, and lasting enrichment and spreading to periphery, the city that crowd concentrates not only becomes the severely afflicated area of environmental pollution, also becomes and pollutes source.
At present, the most city of China adopts the means such as levels of emissions, limiting vehicle increased number of controller motor-car, to attempt the air pollution that control automotive emission causes.But the haze weather caused due to air pollution still occurs again and again, how effectively solving air pollution becomes current problem demanding prompt solution.
Summary of the invention
The invention provides a kind of downtown roads dusty gas wet cleaning system, purified treatment is carried out by the tail gas collecting vehicular emission, realize the aerial content of nitrogen oxide that reduction motor vehicle discharges, thus reduce motor-vehicle tail-gas to the pollution of air, and the object of harm to human body.
For achieving the above object, the invention provides a kind of downtown roads dusty gas wet cleaning system, comprising:
Collection conduit;
Multiple air entry, described air entry is arranged on the sidewall of described collection conduit along the axially spaced-apart of the described collection conduit of pipe, described air entry is provided with the valve that can control air entry folding;
At least one is equipped with the treatment pond for the treatment of fluid;
Conveyance conduit, one end of described conveyance conduit connects described collection conduit, and the other end passes in described treatment fluid;
Air pump, described air pump is connected with described conveyance conduit, for described dusty gas being sucked collection conduit and being delivered to treatment pond.
Further, described treatment fluid is water or aqueous solution of urea.
Further, described treatment fluid is alkaline aqueous solution.
Further, described valve is electromagnetic valve.
Further, described electromagnetic valve is connected with the centralized computer control system controlling described electromagnetic valve folding, makes each section of circumferential highway overcome air-resistance phenomenon, can both uniform pickup dusty gas.
Further, described air entry place is provided with the air pump that dusty gas can be sucked collection conduit.
Further, described air entry comprises the arm be communicated with described collection conduit.
Further, the inlet end of described arm is provided with flashing board.
Further, described air entry is provided with protection network.
Further, also dust arrester is provided with in described conveyance conduit.
Downtown roads dusty gas wet cleaning system provided by the invention can realize the aerial content of nitrogen oxide that reduction motor vehicle discharges, thus reduces the pollution of motor-vehicle tail-gas to air and the harm to human body.
Accompanying drawing explanation
The structural representation of the downtown roads dusty gas wet cleaning system that Fig. 1 provides for the embodiment of the present invention.
Detailed description of the invention
Accompanying drawing referring to the embodiment of the present invention describes the present invention more fully.But the present invention can embody in many different forms, should not be construed as the embodiment being limited to and stating herein.
As shown in Figure 1, the embodiment of the present invention provides a kind of downtown roads dusty gas wet cleaning system, comprising:
Collection conduit 10, described collection conduit 10 is for collecting dusty gas;
Multiple air entry 20, described air entry 20 is arranged on the sidewall of described collection conduit 10 along the axially spaced-apart of the described collection conduit 10 of pipe, described air entry 20 is provided with the valve 21 that can control air entry 20 folding;
At least one is equipped with the treatment pond 40 for the treatment of fluid, and described treatment pond 40 is for carrying out purified treatment by the dusty gas of collection;
Conveyance conduit 30, one end of described conveyance conduit 30 connects described collection conduit 10, and the other end passes in described treatment fluid;
Air pump 50, described air pump 50 is connected with described conveyance conduit 30, for described dusty gas being sucked collection conduit and being delivered to treatment pond 40.
The collection conduit 10 of the present embodiment can be set up in corresponding in breakpoint isolation strip respectively along each bar urban road (especially loop), also can in conjunction with the overall consideration of the design of such as street lamp, decorative element.The height of air entry 20 inlet end is preferably close with the height of motor vehicle exhaust, and such as distance road driving ground is 0.3-1m, is conducive to being collected before the tail gas long range diffusion of vehicular emission and carrying out purified treatment.
Be connected by one or more conveyance conduit 30 between collection conduit 10 with treatment pond 40, enter dusty gas (particularly motor-vehicle tail-gas) in collection conduit to enter treatment pond 40 and liquid to be treated through conveyance conduit 30 and absorb and realize purification, treatment pond 40 is provided with the exhaust outlet 41 be in communication with the outside, for being expelled in air by purified gas; Treatment pond 40 is also provided with leakage fluid dram 42 and inlet 43 (can share same mouth), for discharging and filling treatment fluid.According to urban road and planning situation, treatment pond 40 can be arranged near collection conduit 10, also suitable distance can be had with collection conduit 10, such as city suburbs can be arranged at, and the conveyance conduit 30 between collection conduit 10 can be arranged at underground (similar municipal pipeline), also can be integrated in conjunction with road construction and being formulated for, can according to the amount of collecting gas, the amount of the volume for the treatment of pond and wherein treatment fluid determines the magnitude setting of conveyance conduit 10, with can effective purifying contaminated gas, and the regulation making the gas of discharge treatment pond meet the relevant environmental protection standard of country is as the criterion.
Air pump 50 is arranged in conveyance conduit 30, motor vehicle is carried through the air of tail gas near loop discharged and sucks collection conduit 10 by air entry 20, be delivered in treatment pond 40 through conveyance conduit 30 and carry out purified treatment, thus decrease the pollution of tail gas to air of vehicular emission and the harm to health.
Further, described treatment fluid can be water, or is alkaline aqueous solution; Can also be aqueous solution of urea, so that oxynitrides is decomposed into harmless nitrogen and water.Such as treatment fluid is the aqueous solution of NaOH or KOH.Because the NO2 in dusty gas is changed into HNO3 by absorbing, when using alkaline aqueous solution as treatment fluid, the HNO3 of generation can be changed into neutral nitrate simultaneously; This treatment fluid can also absorb the fine flue dust (as PM2.5) in dusty gas simultaneously, then the gas after purified treatment is discharged treatment pond.
Above-mentioned treatment fluid should regularly replace, such as, judge whether treatment fluid lost efficacy by the concentration of urea in check processing liquid or treatment fluid pH.Particularly, treatment fluid can connection handling liquid Failure Alarm 80, when treatment fluid Failure Alarm 80 detects that treatment fluid lost efficacy, gives the alarm.
Further, described valve 21 can be electromagnetic valve, is more conducive to automatic control.
Further, described electromagnetic valve is connected with the centralized computer control system (not shown) controlling described electromagnetic valve folding.In the present embodiment, computer control is according to preset strategy, can according to the folding of Time sequence control electromagnetic valve, namely one or more electromagnetic valves unlatchings of setting are controlled every prefixed time interval, thus overcome vapour lock, effective gas collection can be carried out to each section of circumferential highway to make corresponding air entry 20.
Such as: for the collection conduit 10 of long 10km, every within 10 minutes, opening the electromagnetic valve of all air entries 20 within the scope of wherein 1km, close the electromagnetic valve of every other air entry 20 beyond this scope, effectively be inhaled in collection conduit 10 with the air near making within the scope of this 1km, and be transported to treatment pond 40 and carry out purified treatment.Air entry 20 outside this 1km scope also can, with reference to said method closure or openness in turn, make corresponding air entry 20 to carry out effective gas collection.
Or, described electromagnetic valve also can be communicated with gas-monitoring facility, different regions or different time sections, vehicle flowrate on road can be different, according to the gaseous contamination degree change monitored, setting is when reaching certain concentration, and the electromagnetic valve in this region can be opened, and is beneficial to purifying city gas more targetedly.
Further, described air entry 20 also can be provided with air pump 50, is conducive to more efficiently collecting dusty gas.The air pump 50 being arranged at air entry 20 place can also connect rotational speed governor (not shown), according to the degree that outside air pollutes, is controlled by the rotating speed of rotational speed governor to air pump 50.Such as the section that air pollution is serious, control air pump 50 and absorb with higher rotation speed, for the section that air pollution is lighter, control air pump 50 and absorb with relatively low rotating speed.
Further, described air entry 20 comprises the arm 22 be communicated with described collection conduit.In order to reduce the floor space of downtown roads dusty gas wet cleaning system provided by the invention, the main part of collection conduit 10 can be imbedded underground or make somebody a mere figurehead and uphang, only described arm is arranged at more than ground, described arm 22 such as can opening upwards or oblique upper, the height of inlet end can be close with the height of motor vehicle exhaust, be such as 0.3-1m, for the collection of dusty gas.
Further, the inlet end of described arm 22 is provided with flashing board or deflector, and flashing board or deflector are arranged at the top of straight tube 22 inlet end, can prevent rainwater from entering collection conduit 10 or make rainwater according to design approach water conservancy diversion.
Further, described air entry 20 is provided with protection network, and this protection network can cover at the inlet end of air entry 20, intercepts the foreign objects such as rubbish and be inhaled into collection conduit while dusty gas can be made to be inhaled into.
Further, be also provided with dedusting in described conveyance conduit and fill 60, for carrying out dedusting to the gas that will enter treatment pond 40.In general, dust arrester 60 can use electromagnetic duster or sack cleaner etc.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a downtown roads dusty gas wet cleaning system, is characterized in that, comprising:
Collection conduit;
Multiple air entry, described air entry is arranged on the sidewall of described collection conduit along the axially spaced-apart of the described collection conduit of pipe, described air entry is provided with the valve that can control air entry folding;
At least one is equipped with the treatment pond for the treatment of fluid;
Conveyance conduit, one end of described conveyance conduit connects described collection conduit, and the other end passes in described treatment fluid;
Air pump, described air pump is connected with described conveyance conduit, for described dusty gas being sucked collection conduit and being delivered to treatment pond.
2. downtown roads dusty gas wet cleaning system according to claim 1, it is characterized in that, described treatment fluid is water or aqueous solution of urea.
3. downtown roads dusty gas wet cleaning system according to claim 1, it is characterized in that, described treatment fluid is alkaline aqueous solution.
4. downtown roads dusty gas wet cleaning system according to claim 1, it is characterized in that, described valve is electromagnetic valve.
5. downtown roads dusty gas wet cleaning system according to claim 4, is characterized in that, described electromagnetic valve is connected with the centralized computer control device controlling described electromagnetic valve folding.
6. downtown roads dusty gas wet cleaning system according to claim 1, is characterized in that, described air entry place is provided with the air pump that dusty gas can be sucked collection conduit.
7. downtown roads dusty gas wet cleaning system according to claim 1, it is characterized in that, described air entry comprises the arm be communicated with described collection conduit.
8. downtown roads dusty gas wet cleaning system according to claim 7, it is characterized in that, the inlet end of described arm is provided with flashing board.
9. the downtown roads dusty gas wet cleaning system according to any one of claim 1-8, it is characterized in that, described air entry is provided with protection network.
10. the downtown roads dusty gas wet cleaning system according to any one of claim 1-8, is characterized in that, be also provided with dust arrester in described conveyance conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410289695.XA CN105195016A (en) | 2014-06-25 | 2014-06-25 | Urban-area road pollution gas wet process purifying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410289695.XA CN105195016A (en) | 2014-06-25 | 2014-06-25 | Urban-area road pollution gas wet process purifying system |
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| CN105195016A true CN105195016A (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410289695.XA Pending CN105195016A (en) | 2014-06-25 | 2014-06-25 | Urban-area road pollution gas wet process purifying system |
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Citations (10)
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| CN2496538Y (en) * | 2001-04-28 | 2002-06-26 | 史齐选 | Smoke dust treatment apparatus |
| CN1701839A (en) * | 2005-04-06 | 2005-11-30 | 周宗云 | Flue gas purification system |
| CN2817954Y (en) * | 2005-09-05 | 2006-09-20 | 刘硕 | Dustproofing smoke eliminator |
| CN101347787A (en) * | 2008-08-12 | 2009-01-21 | 周存荣 | System for collecting and processing urban and industrial waste gas |
| CN201239602Y (en) * | 2008-07-27 | 2009-05-20 | 郴州市金贵银业股份有限公司 | Device for purifying and treating tail gas |
| CN101590371A (en) * | 2008-05-26 | 2009-12-02 | 北京新宇航世纪科技有限公司 | Abolish the blowdown apparatus of inversion layer |
| KR20100138552A (en) * | 2009-06-25 | 2010-12-31 | 한국기계연구원 | Device and method for filtering land fill gas |
| CN203123805U (en) * | 2013-03-11 | 2013-08-14 | 都怡安 | Fume purifier |
| CN203379777U (en) * | 2013-07-28 | 2014-01-08 | 杭州卓锦环境科技有限公司 | Volatile/semi-volatile gas collection and treatment device |
| CN204220033U (en) * | 2014-06-25 | 2015-03-25 | 北京新宇航世纪科技有限公司 | Downtown roads dusty gas wet cleaning system |
-
2014
- 2014-06-25 CN CN201410289695.XA patent/CN105195016A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2496538Y (en) * | 2001-04-28 | 2002-06-26 | 史齐选 | Smoke dust treatment apparatus |
| CN1701839A (en) * | 2005-04-06 | 2005-11-30 | 周宗云 | Flue gas purification system |
| CN2817954Y (en) * | 2005-09-05 | 2006-09-20 | 刘硕 | Dustproofing smoke eliminator |
| CN101590371A (en) * | 2008-05-26 | 2009-12-02 | 北京新宇航世纪科技有限公司 | Abolish the blowdown apparatus of inversion layer |
| CN201239602Y (en) * | 2008-07-27 | 2009-05-20 | 郴州市金贵银业股份有限公司 | Device for purifying and treating tail gas |
| CN101347787A (en) * | 2008-08-12 | 2009-01-21 | 周存荣 | System for collecting and processing urban and industrial waste gas |
| KR20100138552A (en) * | 2009-06-25 | 2010-12-31 | 한국기계연구원 | Device and method for filtering land fill gas |
| CN203123805U (en) * | 2013-03-11 | 2013-08-14 | 都怡安 | Fume purifier |
| CN203379777U (en) * | 2013-07-28 | 2014-01-08 | 杭州卓锦环境科技有限公司 | Volatile/semi-volatile gas collection and treatment device |
| CN204220033U (en) * | 2014-06-25 | 2015-03-25 | 北京新宇航世纪科技有限公司 | Downtown roads dusty gas wet cleaning system |
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| PB01 | Publication | ||
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Application publication date: 20151230 |