CN210065466U

CN210065466U - Runoff pollution control ecological filter ditch

Info

Publication number: CN210065466U
Application number: CN201920591071.1U
Authority: CN
Inventors: 张丽霞; 高中俊; 黄宁; 张斌令; 王社平; 周文献; 杨维宁; 尹博涵; 张永奎; 李立军
Original assignee: Xi'an Municipal Engineering Design & Research Institute Co Ltd
Current assignee: Xi'an Municipal Engineering Design & Research Institute Co Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-02-14
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses an ecological ditch of straining of runoff pollution control, strain the slot including ecology, the top that the slot was strained to ecology is provided with overflow mouth operator, the bottom that the slot inner chamber was strained to ecology is provided with the inlet for stom water connecting pipe, the both sides that the slot was strained to ecology all are provided with former soil layer, one side that the slot was strained to ecology was kept away from to former soil layer is provided with cement mortar brick, one side that former soil layer was kept away from to cement mortar brick is provided with waterproof composite geomembrane, and the bottom that cement mortar brick was built is provided with brick wall basis concrete, and one side that cement mortar brick was kept away from to waterproof composite geomembrane is provided with the driving lane. The utility model discloses possess the advantage of preventing blockking up, solved the rainwater and can be mingled with the rotten leaf of dry branch and rubbish of many when getting into the ecology and strain the ditch to strain the ditch easily and cause the jam to the ecology, the both sides of straining the ditch are moreover ecological because lack waterproof measure, and soil collapses easily under the infiltration of rainwater, thereby strain the ditch to the ecology and cause the problem of jam.

Description

Runoff pollution control ecological filter ditch

Technical Field

The utility model relates to a municipal drainage waterlogging prevention technical field specifically is a runoff pollution control ecology strains ditch.

Background

The sponge city is characterized in that the city can be like a sponge, has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters and the like, absorbs water, stores water, seeps water and purifies water when raining, releases and utilizes the stored water when needed, the construction of the sponge city is to follow the principles of ecological priority and the like, combines natural approaches and artificial measures, realizes the accumulation, permeation and purification of rainwater in urban areas to the maximum extent on the premise of ensuring the safety of urban drainage and waterlogging prevention, promotes the utilization of rainwater resources and ecological environment protection, and aims to comprehensively design the systematicness of natural rainfall, surface water and underground water, coordinate water recycling links such as water supply, drainage and the like, consider the complexity and the long-term property, and the ecological filter ditches mainly collect rainwater on roadways and pavements, and the rainwater on the roadways and pavements enters the two side separation belts through the opening of the road teeth, the construction of the ecological filter ditch has the function of reducing the peak flow of rainfall runoff, and the drainage and waterlogging prevention capability of the city is further improved.

Rainwater can be mingled with a lot of rotten leaves of dead branches and garbage when entering the ecological ditch of straining to strain the ditch to the ecology easily and cause the jam, and the both sides of the ecological ditch of straining are because lack waterproof measure moreover, and soil collapses under the infiltration of rainwater easily, thereby strain the ditch to the ecology and cause the jam.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a runoff pollution control ecology strains ditch possesses the advantage of preventing blockking up, has solved the rainwater and can be mingled with the rotten leaf of dead branch and the rubbish of many when getting into the ecology and strain the ditch to strain the ditch easily and cause the jam to the ecology, moreover the ecology strain the both sides of ditch owing to lack waterproof measure, soil collapses easily under the infiltration of rainwater, thereby strain the ditch to the ecology and cause the problem of jam.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a runoff pollution control ecological ditch of straining, strains the slot including the ecology, the ecological top of straining the slot is provided with overflow mouth operator, the ecological bottom of straining the slot inner chamber is provided with the inlet for stom water connecting pipe, the ecological both sides of straining the slot all are provided with former soil layer, one side that the ecological slot of straining was kept away from to former soil layer is provided with cement mortar brick, one side that former soil layer was kept away from to cement mortar brick is provided with waterproof composite geomembrane, the bottom that cement mortar brick was laid is provided with brick wall basis concrete, one side that cement mortar brick was kept away from to waterproof composite geomembrane is provided with the roadway, one side that waterproof composite geomembrane was close to in the top of roadway is provided with the concrete dog, one side that waterproof composite geomembrane was kept away from to the concrete dog is provided with.

Preferably, the ecological ditch groove of straining divide into transmission area and biological detention district, the top in biological detention district is provided with the stagnant water layer, the thickness of stagnant water layer is 250mm, the bottom of stagnant water layer is provided with plants the soil layer, the thickness of planting the soil layer is 300mm, the bottom of planting the soil layer is provided with the packing layer, the thickness of packing layer is 300mm, the both sides at transmission area top all are provided with trash holding tank.

Preferably, the surface of the curb is provided with a water inlet hole, and the top of the roadway is provided with a water collecting dustpan.

Preferably, the thickness of cement mortar brickwork is 120mm, the height and the width of brick wall foundation concrete are 150mm, and the overflow opening is opened on the surface of the overflow opening operator.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an ecology is strained the slot, the overflow mouth operator, the inlet for stom water connecting pipe, former soil layer, cement mortar builds a brick, waterproof compound geomembrane, brick wall basis concrete, the roadway, the concrete dog, the curb, the transmission area, the biological detention district, block dirty groove, the inlet opening cooperates with the dustpan of receiving water, possess the advantage of preventing blockking up, it can be mingled with many rotten leaves of branches and rubbish when getting into the ecology and straining the ditch to have solved the rainwater, thereby strain the ditch easily to the ecology and cause the jam, and the both sides of ecology and strain the ditch are owing to lack waterproof measure, soil collapses easily under the infiltration of rainwater, thereby strain the ditch to the ecology and cause the problem of jam.

2. The utility model discloses a waterproof composite geomembrane has strengthened the waterproof nature that cement mortar laid bricks, through setting up concrete dog and curb, can block the rubbish on the roadway, avoids rubbish to get into the ecology and strains the ditch and cause the jam, blocks dirty groove through the setting, can intercept the impurity of rainwater, through setting up water collecting dustpan and inlet opening, is convenient for strain the ditch with rainwater drainage to the ecology and discharges.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention, C-C;

FIG. 2 is a schematic top view of the structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention A-A;

fig. 4 is a schematic sectional view of the present invention B-B.

In the figure: 1 ecological groove, 2 overflow mouth operators, 3 inlet pipe, 4 original soil layers, 5 cement mortar brickwork, 6 waterproof composite geomembrane, 7 brick wall foundation concrete, 8 lanes, 9 concrete stoppers, 10 curb stones, 11 transmission areas, 12 biological detention areas, 13 trash holding tanks, 14 water inlet holes, 15 water collecting dustpans, 16 stagnant water layers, 17 planting soil layers, 18 packing layers and 19 overflow mouths.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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.

Referring to fig. 1-4, a runoff pollution control ecological filter trench comprises an ecological filter trench 1, an overflow operator 2 is arranged at the top of the ecological filter trench 1, a gutter inlet connecting pipe 3 is arranged at the bottom of an inner cavity of the ecological filter trench 1, raw soil layers 4 are arranged on two sides of the ecological filter trench 1, cement mortar bricks 5 are arranged on one sides of the raw soil layers 4 far away from the ecological filter trench 1, waterproof composite geomembranes 6 are arranged on one sides of the cement mortar bricks 5 far away from the raw soil layers 4, brick wall foundation concrete 7 is arranged at the bottoms of the cement mortar bricks 5, a roadway 8 is arranged on one side of the waterproof composite geomembranes 6 far away from the cement mortar bricks 5, concrete stoppers 9 are arranged on one side of the top of the roadway 8 close to the waterproof composite geomembranes 6, curbs 10 are arranged on one side of the concrete stoppers 9 far away from the waterproof composite geomembranes 6, the ecological filter trench 1 is divided into a transmission area 11 and a biological, the top of the bioretention area 12 is provided with a stagnant water layer 16, the thickness of the stagnant water layer 16 is 250mm, the bottom of the stagnant water layer 16 is provided with a planting soil layer 17, the thickness of the planting soil layer 17 is 300mm, the bottom of the planting soil layer 17 is provided with a packing layer 18, the thickness of the packing layer 18 is 300mm, both sides of the top of the transmission area 11 are provided with trash grooves 13, the surface of the curb 10 is provided with a water inlet 14, the top of the roadway 8 is provided with a water collecting dustpan 15, the thickness of the cement mortar brick 5 is 120mm, the height and the width of the brick wall basic concrete 7 are both 150mm, the surface of the overflow operator 2 is provided with an overflow port 19, the waterproof composite geomembrane 6 is used for enhancing the waterproofness of the cement mortar brick 5, by arranging the concrete stopper 9 and the curb 10, the garbage on the roadway 8 can be stopped, and the garbage can be prevented, the trash holding groove 13 can hold up the impurities in the rainwater, the water collecting dustpan 15 and the water inlet hole 14 are arranged to guide the rainwater to the ecological filtering ditch for discharging, through the cooperation of the ecological filtering groove 1, the overflow opening operator 2, the rainwater inlet connecting pipe 3, the raw soil layer 4, the cement mortar bricklaying 5, the waterproof composite geomembrane 6, the brick wall foundation concrete 7, the roadway 8, the concrete stop block 9, the kerbstone 10, the transmission area 11, the biological detention area 12, the trash holding groove 13, the water inlet hole 14 and the water collecting dustpan 15, the ecological filtering ditch has the advantage of blockage prevention, solves the problem that rainwater is mixed with a lot of rotten leaves and garbage when entering the ecological filtering ditch, therefore, the ecological filter ditch is easy to be blocked, and soil is easy to collapse under the penetration of rainwater due to the lack of waterproof measures at the two sides of the ecological filter ditch, so that the ecological filter ditch is blocked.

When in use, rainwater enters the trash holding tank 13 for preliminary filtration through the water inlet hole 14, the rainwater is infiltrated through the transmission area 11, the rainwater which is not infiltrated flows to the bioretention area 12 from the transmission area 11 for infiltration, the rainwater can also flow into the ecological filter groove 1 through the overflow port 19 and then flows to the municipal rainwater pipeline through the rainwater inlet connecting pipe 3, the waterproof composite geomembrane 6 can prevent rainwater infiltration and avoid soil collapse and blockage at two sides of the ecological filter groove 1 caused by rainwater infiltration, the cement mortar brickwork 5 and the brick wall foundation concrete 7 can reinforce two sides of the inner cavity of the ecological filter groove 1 to improve rainwater impact resistance, the two side separation zones and the hedgerow zones of the road with the width of 3m-6m are used as the ecological filter groove for rainwater, the ecological filter groove comprises the ecological filter groove with two sides and one side opening, and can be matched with an impervious pavement and a permeable asphalt pavement I type, the bioretention area 12 is divided into impervious type and impervious type, wherein, both sides of the ecological filtering ditch with holes at two sides are provided with vehicle lanes, one side of the ecological filtering ditch with holes at one side is provided with vehicle lanes, the other side is provided with sidewalks, rainwater on the vehicle lanes or the sidewalks enters into the separating zones at two sides through the water inlet curbs 10, the rainwater is utilized by infiltration in the separating zones, the groundwater is supplemented, the partial range of the separating zones is concave downwards, the concave part is provided with filler, the rest part is connected with two sides by slope, the water inlet part of the overflow port 10 is 0.20 meter higher than the top surface of the filtering ditch, when the rainfall is overlarge, the redundant rainwater overflows and is discharged into the overflow port 19 and is discharged through the rainwater port connecting pipe 3, the municipal ecological filtering ditch is a measure of a sponge city, the peak value reducing effect of medium and small rainfall events is generally better, certain peak value staggering and peak delaying effects can still be achieved for the extra-large rainfall events, but the, researches show that 60-80% of pollution amount of initial rainwater of 6-8 mm can be controlled, and runoff pollution can be effectively controlled by the municipal ecological filter ditch.

In summary, the following steps: this ecological ditch of straining of runoff pollution control, strain ditch 1 through the ecology, overflow mouth operator 2, inlet pipe 3, former soil horizon 4, cement mortar builds bricks 5, waterproof composite geomembrane 6, brick wall foundation concrete 7, roadway 8, concrete dog 9, curb 10, transmission area 11, biological detention district 12, trash holding tank 13, inlet opening 14 and water collecting dustpan 15 cooperate, it can be mingled with many rotten leaves of dry branches and rubbish to have solved the rainwater when getting into the ecological ditch of straining, thereby cause the jam to the ecological ditch easily, and the both sides of ecological ditch of straining are owing to lack waterproof measure, soil collapses easily under the infiltration of rainwater, thereby cause the problem of jam to the ecological ditch of straining.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a runoff pollution control ecological ditch of straining, strains slot (1) including the ecology, its characterized in that: an overflow opening operator (2) is arranged at the top of the ecological filtering groove (1), a rainwater inlet connecting pipe (3) is arranged at the bottom of the inner cavity of the ecological filtering groove (1), both sides of the ecological filter groove (1) are provided with original soil layers (4), one side of the original soil layer (4) far away from the ecological filter groove (1) is provided with cement mortar brickwork (5), one side of the cement mortar brick (5) far away from the original soil layer (4) is provided with a waterproof composite geomembrane (6), the bottom of the cement mortar brick (5) is provided with brick wall foundation concrete (7), a roadway (8) is arranged on one side of the waterproof composite geomembrane (6) far away from the cement mortar brickwork (5), a concrete stop block (9) is arranged on one side of the top of the roadway (8) close to the waterproof composite geomembrane (6), and a curb stone (10) is arranged on one side, far away from the waterproof composite geomembrane (6), of the concrete stop block (9).

2. The ecological runoff pollution control filter ditch according to claim 1, which is characterized in that: ecological filtration slot (1) divide into transmission area (11) and biological detention district (12), the top in biological detention district (12) is provided with stagnant water layer (16), the thickness of stagnant water layer (16) is 250mm, the bottom of stagnant water layer (16) is provided with plants soil layer (17), the thickness of planting soil layer (17) is 300mm, the bottom of planting soil layer (17) is provided with packing layer (18), the thickness of packing layer (18) is 300mm, the both sides at transmission area (11) top all are provided with trash holding tank (13).

3. The ecological runoff pollution control filter ditch according to claim 1, which is characterized in that: the surface of the kerbstone (10) is provided with a water inlet (14), and the top of the roadway (8) is provided with a water collecting dustpan (15).

4. The ecological runoff pollution control filter ditch according to claim 1, which is characterized in that: the thickness of cement mortar bricklaying (5) is 120mm, the height and the width of brick wall foundation concrete (7) are 150mm, overflow mouth (19) have been seted up on the surface of overflow mouth operator (2).