CN209815892U - Ecological purifying system of road surface runoff - Google Patents
Ecological purifying system of road surface runoff Download PDFInfo
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- CN209815892U CN209815892U CN201821488391.6U CN201821488391U CN209815892U CN 209815892 U CN209815892 U CN 209815892U CN 201821488391 U CN201821488391 U CN 201821488391U CN 209815892 U CN209815892 U CN 209815892U
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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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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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
Abstract
The utility model provides an ecological clean system of road surface runoff is applied to highway, relates to road surface runoff and purifies technical field. This road surface runoff purification system is including purifying the groove, purify the groove and include from down and the water filtering layer, sand cushion layer, filtration layer and the planting layer of laying in proper order. Through the cooperation of the embankment section, the cutting section and the central dividing strip of purifying groove and highway, the problem of highway surface runoff collection and ecological purification is effectively solved, and effective protection can be played to sensitive water along the highway. In addition, after the pavement runoff ecological purification system purifies the pavement runoff, the comprehensive utilization of the purified water flow can be further realized, and continuous irrigation water sources and the like are provided for roadside slope vegetation and greening plants.
Description
Technical Field
The utility model relates to a road surface runoff purifies technical field, in particular to be applied to highway's ecological clean system of road surface runoff.
Background
With the development of economic society, the problem of non-point source pollution caused by rainfall runoff on road surfaces becomes more serious. According to investigation, pollutants in the runoff of the highway pavement usually comprise particulate matters (SS), nutrients (COD), heavy metals, grease, Polycyclic Aromatic Hydrocarbons (PAHs) and the like; the main pollution sources causing the road surface runoff pollution are motor vehicles running on the road surface, discharged substances, leakage of conveyed goods and the like can be deposited on the surface of the road in sunny days, and can be washed by the road surface runoff to flow into nearby water bodies in rainy days, so that water eutrophication and ecological system damage are easily caused.
At present, the internationally accepted method for preventing and controlling the pollution of the road surface runoff is to implement distributed control on the rainwater runoff and adopt various ecological methods to treat the road surface runoff according to local conditions aiming at catchment areas with different characteristics; measures such as grass planting side ditches, sedimentation tanks and detention zones are adopted in many countries to realize control of road surface path flow pollution and prevention of dangerous goods transportation risks. In the aspect of road surface runoff pollution prevention, the technology of controlling storm runoff pollution by subsurface constructed wetlands, the technology of artificially treating road (bridge) surface runoff sewage and the like are also provided in China, and design parameters, treatment efficiency, occupation conditions and the like are researched.
However, in the prior art, no effective treatment measure can be used for controlling the road surface runoff pollution of the mountain expressway with short land and high and steep side slope.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ecological clean system of road surface runoff to the not enough among the above-mentioned prior art, can effectively solve the purification problem of highway road surface runoff, play the effective protection to sensitive water along the highway.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, the embodiment of the utility model provides an ecological clean system of road surface runoff is applied to highway embankment section, include: a fixed wall and a purification tank;
the fixed wall is arranged beside the highway embankment section along the length direction of the highway;
the purification tank is fixedly arranged between the fixed wall and a roadside side slope of the highway embankment section and comprises a water filtering layer, a sand cushion layer, a percolation layer and a planting layer which are sequentially paved from bottom to top; wherein the water filtering layer is paved by gravels; the sand cushion layer comprises: medium coarse sand, crushed stone and pebbles; the percolation layer includes: the coal slag, the wood chips and the coarse sand are mixed according to the following proportion: wood chip: coarse sand 2: 3: 5; the planting layer comprises: close-planting vegetation and planting soil, wherein the close-planting vegetation is planted in the planting soil;
and a drainage layer is arranged on the fixed wall and is communicated with the water filtering layer.
Further, the ecological road surface runoff purification system further comprises a waterproof layer, wherein the waterproof layer is laid below the water filtering layer and extends to the inclined surface of the road side slope.
Furthermore, the fixed wall is built by mortar rubbles, and the drainage layer is built by dry rubbles.
Further, the pavement runoff ecological purification system comprises a plurality of purification tanks and a plurality of fixed walls, wherein the fixed walls correspond to the purification tanks one to one;
a plurality of the purge tanks are disposed in stages along a slope of a highway embankment section;
two adjacent purify still to be equipped with the concrete baffle between the groove, and adjacent two purify the drainage layer of groove and be linked together each other.
A second aspect, the embodiment of the utility model provides an ecological clean system of road surface runoff is applied to highway cutting section, include: reinforcing the side ditch and the purification tank;
the reinforcing side ditch is arranged between the highway cutting section and the roadside hillside along the length direction of the highway;
the purification tank is arranged in the reinforced side ditch and comprises a water filtering layer, a sand cushion layer, a percolation layer and a planting layer which are sequentially paved from bottom to top; wherein the water filtering layer is paved by gravels; the sand cushion layer comprises: medium coarse sand, crushed stone and pebbles; the percolation layer includes: the coal slag, the wood chips and the coarse sand are mixed according to the following proportion: wood chip: coarse sand 2: 3: 5; the planting layer comprises: close-planting vegetation and planting soil, wherein the close-planting vegetation is planted in the planting soil;
and a plurality of perforated corrugated pipes are also arranged in the water filtering layer.
Further, ecological clean system of road surface runoff still includes the waterproof layer, the waterproof layer lay in the trackside hillside with purify on the contact surface of groove.
Further, the ecological road surface runoff purification system comprises a plurality of purification tanks, and the purification tanks are arranged in the reinforced side ditch along the slope of the highway cutting section in a segmented mode;
two adjacent purify still to be equipped with the concrete baffle between the groove, and adjacent two purify the drainage layer of groove and be linked together each other.
The third aspect, the embodiment of the utility model provides an ecological clean system of road surface runoff is applied to highway central separation strip, include: a drainage ditch tank and a purification tank;
the drainage ditch is arranged under the central separation belt of the expressway along the length direction of the expressway;
the purification tank is fixedly arranged in the drainage ditch and comprises a water filtering layer, a sand cushion layer, a percolation layer and a planting layer which are sequentially paved from bottom to top; wherein the water filtering layer is paved by gravels; the sand cushion layer comprises: medium coarse sand, crushed stone and pebbles; the percolation layer includes: the coal slag, the wood chips and the coarse sand are mixed according to the following proportion: wood chip: coarse sand 2: 3: 5; the planting layer comprises: close-planting vegetation and planting soil, wherein the close-planting vegetation is planted in the planting soil;
and a plurality of perforated corrugated pipes are also arranged in the water filtering layer.
Further, the ecological road surface runoff purification system comprises a plurality of purification tanks, and the purification tanks are arranged in the drainage ditch along the slope of the central separation belt of the expressway in a segmented manner;
two adjacent purify still to be equipped with the concrete baffle between the groove, and adjacent two purify the drainage layer of groove and be linked together each other.
In a fourth aspect, the embodiment of the utility model provides an ecological clean system of road surface runoff is applied to highway, highway includes: a embankment section, a cutting section and a central dividing strip;
ecological clean system of road surface runoff includes: the ecological road surface runoff purification system is arranged on the embankment section, the ecological road surface runoff purification system is arranged on the cutting section, and the ecological road surface runoff purification system is arranged on the central separation zone.
The utility model has the advantages that:
the embodiment of the utility model provides an ecological clean system of road surface runoff is applied to highway, specifically is applied to highway's embankment section, cutting section and central median respectively. Through the cooperation of the embankment section, the cutting section and the central dividing strip of purifying groove and highway, the problem of highway surface runoff collection and ecological purification is effectively solved, and effective protection can be played to sensitive water along the highway. In addition, after the pavement runoff ecological purification system purifies the pavement runoff, the comprehensive utilization of the purified water flow can be further realized, and continuous irrigation water sources and the like are provided for roadside slope vegetation and greening plants.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a sectional view of a pavement runoff ecological purification system applied to an expressway embankment section according to a first embodiment of the present invention;
fig. 2 is a schematic view of a pavement runoff ecological purification system applied to an expressway embankment section according to a second embodiment of the present invention;
FIG. 3 is a sectional view of a pavement runoff ecological purification system applied to a cutting section of a highway according to a third embodiment of the present invention;
FIG. 4 is a schematic view of an ecological road surface runoff purification system applied to a cutting section of a highway according to a fourth embodiment of the present invention;
fig. 5 is a sectional view of a runoff ecological purification system applied to a central separation zone of an expressway according to a fifth embodiment of the present invention.
Icon: 110-embankment section; 111-fixed wall; 111 a-a drainage layer; 120-a purification tank; 121-water filtration layer; 122-a sand cushion layer; 123-a percolation layer; 124-planting layer; 125-concrete baffle; 130-a waterproof layer; 210-cutting section; 211-reinforcing the side ditch; 220-perforated corrugated pipe; 310-a central separator; 311-drainage gutter.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment:
as shown in fig. 1, the first embodiment of the present invention provides an ecological purifying system for road surface runoff, which is applied to an expressway embankment section 110, comprising: a fixed wall 111 and a purification tank 120; the fixed wall 111 is arranged beside the highway embankment section 110 along the length direction of the highway; the purifying tank 120 is fixedly arranged between the fixed wall 111 and the roadside slope of the highway embankment section 110, and comprises a filter layer 121, a sand cushion layer 122, a percolation layer 123 and a planting layer 124 which are sequentially paved from bottom to top; wherein the water filtering layer 121 is formed by paving broken stones; the sand cushion 122 includes: medium coarse sand, crushed stone and pebbles; the percolation layer 123 includes: the coal slag, the wood chips and the coarse sand are mixed according to the following proportion: wood chip: coarse sand 2: 3: 5 (materials consisting of coal slag, wood chips and grit in a ratio of 2: 3: 5 are defined herein as "decontamination mixtures", i.e., the percolated layer consists of a decontamination mixture, as described herein in the following examples, and not described further); the planting layer 124 includes: densely planting vegetation and planting soil, wherein the densely planted vegetation is planted in the planting soil; the fixing wall 111 is provided with a drainage layer 111a, and the drainage layer 111a is communicated with the drainage layer 121.
Specifically, the fixing wall 111 is used to fix the purge tank 120 at a roadside slope of the highway embankment section 110 so that road surface runoff of the embankment section 110 can directly flow into the purge tank 120. The purifying tank 120 is used for ecological purification of the pavement runoff and improvement of the runoff quality.
The dense vegetation in the planting layer 124 can retain 53% to 93% of SS in the pavement runoff, and due to the good correlation between the SS in the pavement runoff and pollution indexes such as COD, TP and TN, other pollutants can be correspondingly removed and controlled while the SS is effectively removed; in addition, the close planting vegetation can also remove grease and other heavy metal elements such as zinc, lead, nickel and the like. Optionally, the surface of the planting layer 124 is between 5cm and 10cm lower than the subgrade edge of the embankment section 110, and the middle area of the planting layer 124 is lower than the edge area for better water collection effect.
The percolation layer 123 is used for realizing the treatment of sedimentation, filtration, adsorption, biological absorption and the like on the runoff and separating pollutants from the pavement runoff, thereby achieving the purposes of improving the runoff water quality and protecting the received water body; and the mixing ratio of the coal slag, the wood chips and the coarse sand in the percolation layer 123 is set as 2: 3: 5, the percolation layer 123 can achieve better effect on the precipitation or adsorption of runoff.
The sand cushion 122 is used as a supporting layer of the foundation for improving the bearing capacity of the foundation of the purifying tank 120 and reducing the settlement thereof.
The filtered water layer 121 is used to form an outflow channel of the purified run-off. The drainage layer 111a arranged on the fixed wall 111 is communicated with the drainage layer 121, so that water in the drainage layer 121 can flow out through the drainage layer 111a and slowly permeate into roadside slope vegetation of the embankment section 110 to realize irrigation.
The embodiment of the utility model provides an in, ecological clean system of road surface runoff still includes waterproof layer 130, and waterproof layer 130 is laid below water filtration layer 121 to extend to the inclined plane of roadside slope.
Optionally, the waterproof layer 130 is a waterproof geotextile for preventing road surface runoff from penetrating into the roadbed, damaging the road and causing other losses, etc. It should be noted that the waterproof layer 130 may also be made of any other material that can achieve the above waterproof function, and the application is not limited herein.
Optionally, in the embodiment of the present invention, the fixed wall 111 is formed by masonry of mortar rubble, and the drainage layer 111a is formed by masonry of dry rubble.
Specifically, the fixing wall 111 is built by grouted rubble, which can form a good sealing effect, not only realize the fixation of the purifying tank 120, but also prevent the runoff from seeping out; the drainage layer 111a is formed by dry masonry of rubbles, so that runoff can flow out from the drainage layer 121 through the drainage layer 111 a.
Second embodiment:
as shown in fig. 2, the second embodiment of the present invention provides an ecological purification system for road surface runoff, which is applied to a highway embankment section 110 with a certain slope, and on the basis of the first embodiment, the ecological purification system for road surface runoff can comprise a plurality of purification tanks 120 and a plurality of fixed walls 111, wherein the fixed walls 111 correspond to the purification tanks 120 one by one; a plurality of purge tanks 120 are provided in stages along the slope of the highway embankment section 110; a concrete baffle 125 is further disposed between two adjacent purification tanks 120, and the drainage layers 121 of two adjacent purification tanks 120 are connected to each other.
Specifically, when the highway embankment section 110 has a certain slope, the above-mentioned ecological road surface runoff purification system can be arranged into a plurality of purification tanks 120 and fixed walls 111 distributed in a stepped manner along the slope of the embankment section 110, and each fixed wall 111 corresponds to one purification tank 120 one by one, which can facilitate the collection of road surface runoff and the dilution of pollutant concentration. The drainage 121 through setting up every purification groove 120 communicates each other, can guarantee that the runoff after the purification flows along the drainage 121 of bottom, realizes assembling etc. of rivers. When the runoff flow is too large, water in a certain section of the purification tank 120 exceeds the height of the concrete baffle 125, and the water overflows into the next section of the purification tank 120.
The third embodiment:
as shown in fig. 3, the third embodiment of the present invention provides an ecological purifying system for road surface runoff, which is applied to a cutting section 210 of a highway, comprising: a reinforcing side ditch 211 and a purge tank 120; the reinforcing side ditch 211 is arranged between the highway cutting section 210 and the roadside hillside along the length direction of the highway; the purifying tank 120 is arranged in the reinforced side ditch 211 and comprises a water filtering layer 121, a sand cushion layer 122, a percolation layer 123 and a planting layer 124 which are sequentially paved from bottom to top; wherein the water filtering layer 121 is formed by paving broken stones; the sand cushion 122 includes: medium coarse sand, crushed stone and pebbles; the percolation layer 123 includes: the coal slag, the wood chips and the coarse sand are mixed according to the following proportion: wood chip: coarse sand 2: 3: 5; the planting layer 124 includes: close-planting vegetation and planting soil, wherein the close-planting vegetation is planted in the planting soil; a plurality of perforated bellows 220 are also disposed in the water-filtering layer 121.
Specifically, the reinforcing gutter 211 is implemented based on a ditch beside an existing expressway, and is used for fixing the purification tank 120 between the expressway cutting section 210 and a roadside hillside, so that road surface runoff of the cutting section 210 can directly flow into the purification tank 120. The purifying tank 120 is used for ecological purification of the pavement runoff and improvement of the runoff quality.
Wherein, plant layer 124, percolation layer 123, sand bed 122 and drainage 121 and the utility model discloses in the first embodiment the same part is no longer repeated here, and its difference lies in, the many trompil bellows 220 that set up in drainage 121 for accelerate the road surface runoff after the purification and discharge, prevent that the runoff is too much, the gathering is in consolidating the side ditch 211, causes other harmful effects.
The embodiment of the utility model provides an in, the ecological clean system of road surface runoff still includes waterproof layer 130, and waterproof layer 130 lays on the contact surface of trackside hillside and purification groove 120.
Optionally, the waterproof layer 130 is a waterproof geotextile for preventing road surface runoff from penetrating into a roadside hillside, and preventing damage to a road and the like caused by collapse of a mountain or landslide. It should be noted that the waterproof layer 130 may also be made of any other material that can achieve the above waterproof function, and the application is not limited herein.
The fourth embodiment:
as shown in fig. 4, a fourth embodiment of the present invention provides an ecological road surface runoff purification system, which is applied to a highway cutting section 210 with a certain slope, and on the basis of the third embodiment, the ecological road surface runoff purification system may include a plurality of purification tanks 120, wherein the plurality of purification tanks 120 are arranged in a reinforcing side ditch 211 along the slope of the highway cutting section 210 in a segmented manner; a concrete baffle 125 is further disposed between two adjacent purification tanks 120, and the drainage layers 121 of two adjacent purification tanks 120 are connected to each other.
Specifically, when highway cutting section 210 has a certain slope, can set up above-mentioned ecological clean system of road surface runoff along cutting section 210's slope into a plurality of purification grooves 120 that are the step distribution, can be favorable to the collection of road surface runoff and the pollutant concentration dilutes. The drainage 121 through setting up every purification groove 120 communicates each other, can guarantee that the runoff after the purification flows along the drainage 121 of bottom, realizes assembling etc. of rivers. When the runoff flow is too large, water in a certain section of the purification tank 120 exceeds the height of the concrete baffle 125, and the water overflows into the next section of the purification tank 120.
Fifth embodiment:
as shown in fig. 5, a fifth embodiment of the present invention provides an ecological purifying system for runoff in a highway, which is applied to a central dividing strip 310 of the highway, and comprises: a drainage groove 311 and a purge groove 120; the drainage gutter 311 is disposed under the central division strip 310 of the expressway in the length direction of the expressway; the purification tank 120 is fixedly arranged in the drainage ditch 311 and comprises a water filtering layer 121, a sand cushion layer 122, a percolation layer 123 and a planting layer 124 which are sequentially paved from bottom to top; wherein the water filtering layer 121 is formed by paving broken stones; the sand cushion 122 includes: medium coarse sand, crushed stone and pebbles; the percolation layer 123 includes: the coal slag, the wood chips and the coarse sand are mixed according to the following proportion: wood chip: coarse sand 2: 3: 5; the planting layer 124 includes: densely planting vegetation and planting soil, wherein the densely planted vegetation is planted in the planting soil; a plurality of perforated bellows 220 are also disposed in the water-filtering layer 121.
Specifically, the drain groove 311 is used to secure the septic tank 120 under the highway center bank 310 so that highway surface runoff can flow directly into the septic tank 120 under the center bank 310. The purifying tank 120 is used for ecological purification of the pavement runoff and improvement of the runoff quality.
Wherein, plant layer 124, percolation layer 123, sand bed layer 122 and drainage blanket 121 and the utility model discloses in the first embodiment the same part is no longer repeated here, and its difference lies in, the many trompil bellows 220 that set up in the drainage blanket 121 for accelerate the road surface runoff after the purification and discharge, prevent that the runoff is too much, the gathering causes other harmful effects in escape canal 311.
Sixth embodiment:
the sixth embodiment of the present invention provides an ecological purifying system for runoff on road surface, which is applied to the central dividing strip 310 of highway with a certain slope, on the basis of the fifth embodiment, the ecological purifying system for runoff on road surface can comprise a plurality of purifying tanks 120, the purifying tanks 120 are arranged in the drainage ditch 311 along the slope of the central dividing strip 310 of highway in sections; a concrete baffle 125 is further disposed between two adjacent purification tanks 120, and the drainage layers 121 of two adjacent purification tanks 120 are connected to each other.
Specifically, when the central strip 310 of the expressway has a certain slope, the ecological purification system for road surface runoff can be arranged into a plurality of purification tanks 120 distributed in steps along the slope of the central strip 310, which can facilitate the collection of road surface runoff and the dilution of pollutant concentration. The drainage 121 through setting up every purification groove 120 communicates each other, can guarantee that the runoff after the purification flows along the drainage 121 of bottom, realizes assembling etc. of rivers. When the runoff flow is too large, water in a certain section of the purification tank 120 exceeds the height of the concrete baffle 125, and the water overflows into the next section of the purification tank 120.
Seventh embodiment:
the utility model discloses the seventh embodiment provides an ecological clean system of road surface runoff, is applied to highway, and highway includes: embankment section 110, cutting section 210 and central separator 310; ecological clean system of road surface runoff includes: the ecological purification system of road surface runoff provided on the embankment section 110 according to the first embodiment or the second embodiment of the present invention is provided on the cutting section 210 according to the third embodiment or the fourth embodiment of the present invention, and is provided on the central dividing strip 310 according to the fifth embodiment or the sixth embodiment of the present invention.
Particularly, through the cooperation of the ecological clean system of road surface runoff and different highway sections, can realize the effective control to whole highway road surface runoff pollution, through the complete ecological purification to road surface runoff, not only can realize the protection to the sensitive water along the highway line, to the irrigation of highway roadside vegetation, can further realize collecting the road surface runoff after purifying moreover to improve the comprehensive utilization ratio etc. of resource.
Optionally, above-mentioned ecological clean system of road surface runoff can also be provided with water storage device and drip irrigation device, and water storage device can collect and store the road surface runoff after purifying, and drip irrigation device is connected with water storage device for the road surface runoff after the extraction purifies, irrigates the afforestation plant along the highway etc. can further improve the comprehensive utilization of road surface runoff.
Optionally, the water purified by the above pavement runoff ecological purification system can be drained through a pipeline to realize irrigation of vegetation in other places or improve utilization of water resources, and the like, and the application is not particularly limited herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an ecological clean system of road surface runoff, is applied to highway embankment section, its characterized in that includes: a fixed wall and a purification tank;
the fixed wall is arranged beside the highway embankment section along the length direction of the highway;
the purification tank is fixedly arranged between the fixed wall and a roadside side slope of the highway embankment section and comprises a water filtering layer, a sand cushion layer, a percolation layer and a planting layer which are sequentially paved from bottom to top; wherein the water filtering layer is paved by gravels; the sand cushion layer comprises: medium coarse sand, crushed stone and pebbles; the percolation layer comprises coal slag, wood chips and coarse sand; the planting layer comprises: close-planting vegetation and planting soil, wherein the close-planting vegetation is planted in the planting soil;
and a drainage layer is arranged on the fixed wall and is communicated with the water filtering layer.
2. The ecological purification system of pavement runoff according to claim 1, further comprising a waterproof layer, wherein the waterproof layer is laid under the water filtering layer and extends to the inclined surface of the roadside slope.
3. The ecological purification system of pavement runoff according to claim 1, wherein the fixed wall is built by grouted rubble and the drainage layer is built by dry rubble.
4. The ecological purification system of pavement runoff according to claim 1, comprising a plurality of purification tanks and a plurality of fixed walls, wherein the fixed walls correspond to the purification tanks one to one;
a plurality of the purge tanks are disposed in stages along a slope of a highway embankment section;
two adjacent purify still to be equipped with the concrete baffle between the groove, and adjacent two purify the drainage layer of groove and be linked together each other.
5. The utility model provides an ecological clean system of road surface runoff, is applied to highway cutting section, its characterized in that includes: reinforcing the side ditch and the purification tank;
the reinforcing side ditch is arranged between the highway cutting section and the roadside hillside along the length direction of the highway;
the purification tank is arranged in the reinforced side ditch and comprises a water filtering layer, a sand cushion layer, a percolation layer and a planting layer which are sequentially paved from bottom to top; wherein the water filtering layer is paved by gravels; the sand cushion layer comprises: medium coarse sand, crushed stone and pebbles; the percolation layer comprises coal slag, wood chips and coarse sand; the planting layer comprises: close-planting vegetation and planting soil, wherein the close-planting vegetation is planted in the planting soil;
and a plurality of perforated corrugated pipes are also arranged in the water filtering layer.
6. The ecological purification system of pavement runoff according to claim 5, further comprising a waterproof layer, wherein the waterproof layer is laid on the contact surface of the roadside hillside and the purification tank.
7. The ecological road surface runoff purification system as claimed in claim 5, comprising a plurality of purification tanks, wherein the purification tanks are arranged in the reinforced gutter in sections along the slope of the highway cutting section;
two adjacent purify still to be equipped with the concrete baffle between the groove, and adjacent two purify the drainage layer of groove and be linked together each other.
8. The utility model provides an ecological clean system of road surface runoff, is applied to highway central authorities' median, its characterized in that includes: a drainage ditch tank and a purification tank;
the drainage ditch is arranged under the central separation belt of the expressway along the length direction of the expressway;
the purification tank is fixedly arranged in the drainage ditch and comprises a water filtering layer, a sand cushion layer, a percolation layer and a planting layer which are sequentially paved from bottom to top; wherein the water filtering layer is paved by gravels; the sand cushion layer comprises: medium coarse sand, crushed stone and pebbles; the percolation layer comprises coal slag, wood chips and coarse sand; the planting layer comprises: close-planting vegetation and planting soil, wherein the close-planting vegetation is planted in the planting soil;
and a plurality of perforated corrugated pipes are also arranged in the water filtering layer.
9. The ecological pavement runoff purification system as recited in claim 8, comprising a plurality of purification tanks disposed in the drainage ditch along a slope of the central strip of the highway in sections;
two adjacent purify still to be equipped with the concrete baffle between the groove, and adjacent two purify the drainage layer of groove and be linked together each other.
10. The utility model provides an ecological clean system of road surface runoff, is applied to highway, its characterized in that, highway includes: a embankment section, a cutting section and a central dividing strip;
ecological clean system of road surface runoff includes: ecological purification system of road surface runoff according to any one of claims 1 to 4 arranged on the embankment section, ecological purification system of road surface runoff according to any one of claims 5 to 7 arranged on the cutting section, and ecological purification system of road surface runoff according to claim 8 or 9 arranged on the central separation zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821488391.6U CN209815892U (en) | 2018-09-12 | 2018-09-12 | Ecological purifying system of road surface runoff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821488391.6U CN209815892U (en) | 2018-09-12 | 2018-09-12 | Ecological purifying system of road surface runoff |
Publications (1)
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