CN204266077U - A kind of cleaning treatment system of Highway Rainfall Runoff - Google Patents
A kind of cleaning treatment system of Highway Rainfall Runoff Download PDFInfo
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- CN204266077U CN204266077U CN201420737692.3U CN201420737692U CN204266077U CN 204266077 U CN204266077 U CN 204266077U CN 201420737692 U CN201420737692 U CN 201420737692U CN 204266077 U CN204266077 U CN 204266077U
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- runoff
- culvert
- pavement runoff
- pavement
- highway
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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
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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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
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The utility model relates to a kind of cleaning treatment system of Highway Rainfall Runoff, and it comprises roadside ditch, arranges ditch isolation concrete along its length, roadside ditch is divided into pavement runoff gutter and trackside side slope stream ditch in roadside ditch; Also comprise and arranging along highway width direction, and be positioned at the culvert below highway, in culvert, be provided with division board along culvert length direction, culvert is divided into pavement runoff passage and trackside side slope circulation road by division board; The filler filtered is provided with in pavement runoff passage; Pavement runoff passage is communicated with pavement runoff gutter, and trackside side slope circulation road is communicated with trackside side slope stream ditch.Adopt above measure pavement runoff can be separated guide effectively with trackside side slope stream, thus efficiently reduce the amount needing pavement runoff to be processed, improve efficiency and the degree of purification of process pavement runoff, and make full use of the structural facilities of road own, not by trackside ship clearance, road foundation form affects, applied widely.
Description
Technical field
The utility model relates to technical field of environment pollution control, particularly relates to controlling area-source pollution technical field, is specifically related to a kind of cleaning treatment system of Highway Rainfall Runoff, and this draining filtration system can be used for the pollution control to water conservation district Highway Rainfall Runoff.
Background technology
Domestic and international correlative study shows, pavement runoff contains over one hundred kind of pollutant component, as heavy metal, mineral oils, chloride, COD (COD), suspension (SS), many cyclophanes etc.Pavement runoff a large amount of pollutant of carrying under one's arms enters surface water body, form typical non-point pollution, become the key factor causing receiving water body deteriorating water quality and pollution, pavement runoff was classified as in 1993 the third-largest pollution sources causing river, the whole America and lake pollution by U.S. EPA.According to Chinese Water Conservancy department statistics, the rivers and lakes in the whole nation more than seventy percent are subject to pollutes in various degree and pollutes generally in increasing the weight of trend, how to avoid or alleviate Highway Rainfall Runoff seeming urgent all the more to the pollution that surrounding water brings.
As far back as phase early 1970s, external environmental administration just start to Highway Rainfall Runoff pollute investigation and research, develop the many technology and the method that are applicable to road Ides On Prevention And Control of Regional Pollution.Sum up and mainly contain following 4 kinds: vegetation control, wet type delaying basin, trackside ecologic planting groove, filtration system and wetland, but wherein mostly there are some technological deficiencies, as:
(1) measure of existing nearly all process pavement runoff is all trackside side slope rainwater and pavement runoff are handled together, and the flow of general trackside side slope rainwater will be far longer than pavement runoff, this is increasing the load of process pavement runoff hazardous substances virtually, limits efficiency and the degree of purification of hazardous substances in process runoff.
(2) vegetation control needs trackside to have the enough spacious and comfortable and less soil of the gradient, and China is due to shortage of land resource, general trackside limited width, so can be less with vegetation control runoff pollution section.
(3) ecological butterfly grass planting gutter only possesses drain function and limited turf filters adsorption function mostly, and in addition, it is poor that current row leads ability, usually causes obvious ponding on road surface.
(4) generally there is no closed installation between Traditional Ecological gutter and bottom roadbed, infilter into roadbed under causing the water in ditch directly, cause subgrade defect.
(5) there is occupation of land problem in wet type delaying basin, because reservoir is built as circle mostly, and roadside shortage digs the condition of putting round pool, therefore generally overseas land acquisition is again needed on road, add and coordinate and implement difficulty, and highway limit arranges large-scale reservoir there is certain potential safety hazard.
(6) technique of trackside ecologic planting groove is comparatively complicated, increases construction and management difficulty, and higher to linear slope requirement, and suitable application region is little.
(7) wet land treating system easily blocks, and management difficulty is comparatively large, easily produces secondary pollution.
Utility model content
For the problems referred to above that prior art exists, the purpose of this utility model is to provide one and pavement runoff limit and trackside side slope stream can be shunted, improve hazardous substances efficiency and degree of purification in process pavement runoff, and not by trackside ship clearance, the draining filtration system of road foundation form impact.
For achieving the above object, the utility model adopts following technical scheme: a kind of cleaning treatment system of Highway Rainfall Runoff, comprise roadside ditch, ditch isolation concrete is set along its length in described roadside ditch, roadside ditch is divided into pavement runoff gutter and trackside side slope stream ditch, wherein, pavement runoff gutter is near highway; Also comprise and arranging along highway width direction, and be positioned at the culvert below highway, in described culvert, be provided with division board along culvert length direction, culvert is divided into pavement runoff passage and trackside side slope circulation road by described division board; The filler filtered is provided with in described pavement runoff passage; Described pavement runoff passage is communicated with pavement runoff gutter, and trackside side slope circulation road is communicated with trackside side slope stream ditch.
As optimization, the top of described culvert is provided with culvert cover plate along culvert length direction.
As optimization, between the top of described division board and culvert cover plate, there is spacing.
As optimization, described pavement runoff gutter comprises the pavement runoff gutter afflux section, chute section and the sedimentation basin section that reduce highly successively, wherein, between described pavement runoff gutter afflux section and chute section and be equipped with the first screen pack between chute section and sedimentation basin section; Described pavement runoff feeder connection is positioned at sedimentation basin section.
As optimization, described filler comprises macadam, cinder layer, mixture filter layer and the active carbon filter core that outlet is arranged from inlet of culvert to culvert successively; Wherein, the second screen pack is equipped with between described macadam and cinder layer, between cinder layer and mixture filter layer and between mixture filter layer and active carbon filter core.
As optimization, described pavement runoff passage is positioned at culvert exit and is provided with activated-carbon filter core cover plate, changes after facilitating active carbon filter core to lose efficacy.
As optimization, described pavement runoff feeder connection is provided with the 3rd screen pack.
As optimization, arrange two division boards along culvert length direction, culvert is divided into three passages, wherein, middle passage is trackside side slope circulation road, and the passage of the left and right sides is pavement runoff passage.
As optimization, the length of described macadam is 1-2m, and the particle diameter of rubble is 1.5-2.5cm; The length of cinder layer is 2-4m, and the grating of cinder is 0.5-2cm.
Relative to prior art, the utility model tool has the following advantages:
The draining filtration system that the utility model provides, roadside ditch is divided into pavement runoff gutter and trackside side slope stream ditch, pavement runoff passage is communicated with pavement runoff gutter, trackside side slope circulation road is communicated with trackside side slope stream ditch, thus pavement runoff is separated guide effectively with trackside side slope stream, effectively reduce the amount needing pavement runoff to be processed; The width of highway itself is utilized to increase Filter length, filter effect is improve by the filler be arranged in pavement runoff passage, thus substantially increase efficiency and the degree of purification of process pavement runoff, and make full use of the structural facilities of road own, not by trackside side slope width, road foundation form affects, and the scope of application is wide, construction and installation are simple, cheap.
Accompanying drawing explanation
Fig. 1 is the floor map of draining filtration system in the utility model.
Fig. 2 is the sectional drawing at Fig. 1 I-I place.
Fig. 3 is the sectional drawing at Fig. 1 II-II place.
Arrow in accompanying drawing represents water (flow) direction.
Reference numeral is as follows: 1, pavement runoff gutter; 2, trackside side slope stream ditch; 3, chute section; 4, sedimentation basin section; 5, right wing face diameter circulation road; 6, trackside side slope circulation road; 7, left face diameter circulation road; 8, highway; 9, the second screen pack; 10, the first screen pack; 11, the 3rd screen pack; 12, highway shoulder; 13, ditch isolation concrete; 14, trackside side slope stream ditch furrow bank; 15, sedimentation basin pool wall; 16, division board; 17, macadam; 18, cinder layer; 19, mixture filter layer; 20, active carbon filter core; 21, culvert cover plate; 22, execavated rockmass.
Detailed description of the invention
In description of the present utility model, it will be appreciated that, term " length ", " width ", " on ", D score, " top ", " end " " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", " second ", the feature of " the 3rd " can express or impliedly comprise one or more these features.
Pavement runoff feeder connection and culvert outlet are according to water (flow) direction definition, and namely pavement runoff feeder connection is pavement runoff inflow place, and culvert outlet is current outflow place in culvert.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See Fig. 1 to Fig. 3, a kind of cleaning treatment system of Highway Rainfall Runoff, comprises roadside ditch, ditch isolation concrete is set along its length in roadside ditch, roadside ditch is divided into pavement runoff gutter and trackside side slope stream ditch, wherein, pavement runoff gutter is near highway; The cross section of pavement runoff gutter is generally rectangle, and the cross section of trackside side slope stream ditch can be determined according to the situation of roadside, when roadside have spacious and comfortable time, its cross section can be trapezoidal, if not spacious and comfortable, then its cross section can be rectangle.The width of pavement runoff gutter and trackside side slope stream ditch and depth dimensions are usually according to calculating and setting such as road drainage specification, width of roadway, local amount of precipitation, runoff coefficients.
In order to improve the filter effect of road pavement runoff further, pavement runoff gutter comprises the pavement runoff gutter afflux section, chute section and the sedimentation basin section that reduce highly successively, wherein, be equipped with the first screen pack between pavement runoff gutter afflux section and chute section and between chute section and sedimentation basin section, the first screen pack can adopt iron wire or other materials to make.
Described draining filtration system also comprises and arranging along highway width direction, and the culvert be positioned at below highway, the height of culvert is traditionally arranged to be 70cm, filler (describing in detail below) is highly 60cm, pavement runoff feeder connection is positioned at sedimentation basin section, the pavement runoff that pavement runoff gutter is collected can be carried out preliminary sedimentation by sedimentation basin section, reduce the particle suspensions in pavement runoff, pavement runoff feeder connection place is arranged on sedimentation basin section, effectively can alleviates the load of culvert Road face diameter circulation road and the risk of blocking.Pavement runoff feeder connection place is also provided with the 3rd screen pack, 3rd screen pack plays the effect of filtering pavement runoff impurity and stopping macadam (describing in detail below) rubble, and the orifice diameter of the 3rd screen pack can be determined according to the size of impurity in the pavement runoff of required isolation.The top of culvert is provided with culvert cover plate along culvert length direction, and be provided with division board along culvert length direction in culvert, culvert is divided into pavement runoff passage and trackside side slope circulation road by division board; Division board preferably uses cast-in-place isolation concrete; Preferably have spacing between the top of isolation concrete and culvert cover plate, when pavement runoff is excessive, pavement runoff can overflow from the gap location between the top of isolation concrete and culvert cover plate, discharges after entering trackside side slope circulation road.During concrete enforcement, can arrange two division boards along culvert length direction, culvert is divided into three passages by these two division boards, and wherein, middle passage is trackside side slope circulation road, and the passage of the left and right sides is pavement runoff passage.Large about the 10-20cm of depth ratio pavement runoff side slot depth of pavement runoff passage, the width of pavement runoff passage is than width also large about the 10-20cm of pavement runoff gutter.
Be provided with the filler filtered in pavement runoff passage, improve the filter effect of road pavement runoff; Filler comprises macadam, cinder layer, mixture filter layer and the active carbon filter core that outlet is arranged from inlet of culvert to culvert successively; Wherein, be equipped with the second screen pack between macadam and cinder layer, between cinder layer and mixture filter layer and between mixture filter layer and active carbon filter core, the second screen pack mainly plays the effect of separating stable.Macadam is positioned at inlet of culvert place, plays buffering current and preliminary filtration; Cinder layer and mixture filter layer play a part cushion current further and again filter, and mixture filter layer is made up of fine sand gravel, sawdust and granular activated carbon; Active carbon filter core plays the effect strengthening filtration, purification.The length of macadam is 1-2m, and the particle diameter of rubble is 1.5-2.5cm; The length of cinder layer is 2-4m, the grating of cinder is 0.5-2cm, distribute after the length of mixture filter layer should deduct other filtering layer length according to highway physical length, the length of active carbon filter core is then determined according to self absorption property, the rate of filtration, standard of drainage etc., and active carbon filter core should be placed in the partially outer place of culvert outlet.
Pavement runoff passage is communicated with pavement runoff gutter, and trackside side slope circulation road is communicated with trackside side slope stream ditch, thus realize pavement runoff and trackside side slope stream be separated guide, effectively reduce the amount needing pavement runoff to be processed.Trackside side slope stream mainly refers to the rainwater flowed down from trackside side slope.After active carbon filter core lost efficacy, conveniently changed, and be preferably positioned at culvert exit at pavement runoff passage and activated-carbon filter core cover plate is set.
First screen pack, the second screen pack and the 3rd screen pack can be fixed by screen pack bayonet socket or cast-in-place enter concrete.
The operating principle of the cleaning treatment system of the utility model Highway Rainfall Runoff is described for Class II highway below:
The width in this Class II highway face is 12m, the width of pavement runoff gutter is set to 30cm, the width of trackside side slope stream ditch is set to 40cm, the first road pavement runoff of the first screen pack between pavement runoff gutter afflux section and chute section filters for the first time, the length of sedimentation basin section is 1.5m, width is 50cm, clean is 50cm deeply, two division boards are set along culvert length direction, culvert is divided into three passages, wherein, middle passage is trackside side slope circulation road, and the passage of the left and right sides is pavement runoff passage.The degree of depth of pavement runoff gutter passage is 70cm, width is 40cm, the length of macadam is 2m, ballast grain sizes is about 2cm, and the length of cinder layer is 3m, and the grating of cinder is 0.5-2cm, the length of mixture seepage flow layer is 6m, grating is 0.5-1cm, and wherein, the mass ratio of fine sand gravel and sawdust is 3:1.
After pavement runoff flows into pavement runoff gutter afflux section from road, by being arranged on the first screen pack of pavement runoff gutter afflux section and chute section, flow into chute section, and then enter sedimentation basin section, after preliminary sedimentation, pavement runoff after sedimentation basin precipitation enters the macadam of left and right sides pavement runoff passage respectively, through the buffering of macadam, after reducing flow velocity and the larger impurity of filter sizes, pavement runoff enters cinder layer by macadam and again filters, and then enter mixture filter layer, pollutant most in pavement runoff and harmful components can be carried out adsorption filtration by hybrid filtering layer, last pavement runoff filters rear discharge further by active carbon filter core.After the trackside side slope stream that trackside side slope rainwater is formed flows into trackside side slope stream ditch, the trackside side slope circulation road through culvert central authorities is discharged.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (9)
1. the cleaning treatment system of a Highway Rainfall Runoff, comprise roadside ditch, it is characterized in that: ditch isolation concrete is set along its length in described roadside ditch, roadside ditch is divided into pavement runoff gutter and trackside side slope stream ditch, wherein, pavement runoff gutter is near highway;
Also comprise and arranging along highway width direction, and be positioned at the culvert below highway, in described culvert, be provided with division board along culvert length direction, culvert is divided into pavement runoff passage and trackside side slope circulation road by described division board; The filler filtered is provided with in described pavement runoff passage;
Described pavement runoff passage is communicated with pavement runoff gutter, and trackside side slope circulation road is communicated with trackside side slope stream ditch.
2. the cleaning treatment system of Highway Rainfall Runoff as claimed in claim 1, is characterized in that: the top of described culvert is provided with culvert cover plate along culvert length direction.
3. the cleaning treatment system of Highway Rainfall Runoff as claimed in claim 2, is characterized in that: have spacing between the top of described division board and culvert cover plate.
4. the cleaning treatment system of the Highway Rainfall Runoff as described in any one of claim 1-3, it is characterized in that: described pavement runoff gutter comprises the pavement runoff gutter afflux section, chute section and the sedimentation basin section that reduce highly successively, wherein, between described pavement runoff gutter afflux section and chute section and be equipped with the first screen pack between chute section and sedimentation basin section; Described pavement runoff feeder connection is positioned at sedimentation basin section.
5. the cleaning treatment system of Highway Rainfall Runoff as claimed in claim 4, is characterized in that: described filler comprises macadam, cinder layer, mixture filter layer and the active carbon filter core that outlet is arranged from inlet of culvert to culvert successively;
Wherein, the second screen pack is equipped with between described macadam and cinder layer, between cinder layer and mixture filter layer and between mixture filter layer and active carbon filter core.
6. the cleaning treatment system of Highway Rainfall Runoff as claimed in claim 4, is characterized in that: described pavement runoff passage is positioned at culvert exit and is provided with activated-carbon filter core cover plate.
7. the cleaning treatment system of Highway Rainfall Runoff as claimed in claim 4, is characterized in that: described pavement runoff feeder connection is provided with the 3rd screen pack.
8. the cleaning treatment system of Highway Rainfall Runoff as claimed in claim 4, it is characterized in that: two division boards are set along culvert length direction, culvert is divided into three passages, wherein, middle passage is trackside side slope circulation road, and the passage of the left and right sides is pavement runoff passage.
9. the cleaning treatment system of Highway Rainfall Runoff as claimed in claim 5, it is characterized in that: the length of described macadam is 1-2m, the particle diameter of rubble is 1.5-2.5cm; The length of cinder layer is 2-4m, and the grating of cinder is 0.5-2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420737692.3U CN204266077U (en) | 2014-12-01 | 2014-12-01 | A kind of cleaning treatment system of Highway Rainfall Runoff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420737692.3U CN204266077U (en) | 2014-12-01 | 2014-12-01 | A kind of cleaning treatment system of Highway Rainfall Runoff |
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| Publication Number | Publication Date |
|---|---|
| CN204266077U true CN204266077U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420737692.3U Expired - Fee Related CN204266077U (en) | 2014-12-01 | 2014-12-01 | A kind of cleaning treatment system of Highway Rainfall Runoff |
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| CN (1) | CN204266077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371776A (en) * | 2018-11-30 | 2019-02-22 | 南昌大学 | A kind of wellhead protection zone highway runoff is collected and emergency purifying system |
-
2014
- 2014-12-01 CN CN201420737692.3U patent/CN204266077U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371776A (en) * | 2018-11-30 | 2019-02-22 | 南昌大学 | A kind of wellhead protection zone highway runoff is collected and emergency purifying system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20151201 |
|
| EXPY | Termination of patent right or utility model |