CN206751614U - Shore bank step combined type pollution of area source control system - Google Patents

Shore bank step combined type pollution of area source control system Download PDF

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Publication number
CN206751614U
CN206751614U CN201720472506.1U CN201720472506U CN206751614U CN 206751614 U CN206751614 U CN 206751614U CN 201720472506 U CN201720472506 U CN 201720472506U CN 206751614 U CN206751614 U CN 206751614U
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water
delivery port
overflow pipe
pollution
overflow
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CN201720472506.1U
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邱江平
唐浩
李旭东
邱卫国
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Shanghai Aung Environmental Protection Development Co Ltd
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Shanghai Aung Environmental Protection Development Co Ltd
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Abstract

A kind of shore bank step combined type pollution of area source control system, including:It is sequentially connected and is embedded in water leg, U-shaped purifier and overflow pipe below ground, wherein:The delivery port of water leg is higher than the water inlet of overflow pipe, and the water inlet of overflow pipe is higher than the delivery port of overflow pipe;The delivery port of overflow pipe is passed through river course, and higher than the ordinary water level in river course;The rainwash water of pollution flows into water leg and carries out preliminary sedimentation, supernatant after precipitation is purified by the delivery port of water leg into U-shaped purifier, directly enter by overflow pipe river after purification or flow through turf buffering and bring river into, enter river mouth hygrophyte and submerged plant system to the further purification of runoff water, realize the step control of rainwash pollution;The utility model occupation of land is small, and Stability Analysis of Structures, clean-up effect is good, significant for runoff pollution preventing and treating and river course water environment protection.

Description

Shore bank step combined type pollution of area source control system
Technical field
The utility model relates to a kind of technology of field of environment protection, specifically a kind of shore bank step combined type face source Pollution control system.
Background technology
Rainwash pollution refer in rainfall rainwater and its runoff of formation flow through urban ground (such as shopping centre, Residential area, parking lot, street etc.), assemble a series of polluters (such as crude oil, N, P, noxious material, organic matter), enter therewith Enter water body, polluted surface water or underground water.City overland runoff is typical non-point pollution, has territorial scope wide, random Property strong, complex genesis the features such as.Non-point pollution has turned into an important factor for water environment pollution, and the water pollution in the U.S. 60% rises Come from non-point source.Control to urban runoff pollution is one of emphasis of current Study of Water Environment, is realized to city overland runoff Effective control, seek cost-effective urban runoff pollution control technology turns into the task of top priority.
Research to city overland runoff both at home and abroad is in Rapid development stage, and currently used method is exactly to pass through ecology The mode such as bank protection and Riparian Buffer Zone is handled Runoff contaminants.Cai Jing et al. have studied fascine, shrubbery pad, 3 kinds of grass planting Different types of ecological revetment is acted on the retardation and contamination control of rainwash, the results showed that ecological revetment is on control ground There is good effect in terms of table runoff pollution, be mainly reflected in slow runoff water flow velocity and remove on the pollutants such as silt.Such as Fascine is 28.00~33.33min to the Average Delay Time of rainwash, can intercept 80.95% particle diameter for 30.07~ 111.05 μm of suspended solid, 92.58~97.15% water-soluble state nutritive salt and 75.75~91.24% silt knot can be retained Close state nutritive salt;Shrubbery pad makes the time in rainwash into river course lag 9.70~15.33min than naked slope, can effectively catching 88.53~92.94% water-soluble state nutritive salt, but its interdiction capability to suspended particulate is weaker than fascine and grass planting bank protection;Grass planting The ability of bank protection retardation rainwash is not as good as fascine and shrubbery pad, but it is to the suspended solid in rainwash compared with small particle The interception rate of (14.89~52.63 μm) (SS) and silt reference state nutritive salt respectively reaches 85.93% and 80.53~ 85.33%.Tang Hao et al. research finds that shore bank vegetation buffer strip can effectively reduce Runoff contaminants and enter river amount, Bermuda, height The turf such as fescue grass buffer strip to SS interception rate up to more than 75%, to the interception rates of the nutrient pollutants such as nitrogen phosphorus about 35~ 55%, significantly reduce river course non-point source pollution loading.
See on the whole, the research to city overland runoff control aspect in the past is concentrated mainly on shore bank band and ecological revetment Intercept, lack the research of structural type pollution control facility on the bank.Because rainwash has a large capacity and a wide range, there is randomness and do not know Property the features such as, pollution factor is complicated, and easily collecting is handled, and is also not suitable for building sewage treatment facility.Conventional shore bank plant is delayed Punching band floor space is larger, the built-up areas especially in each big and medium-sized cities, it is difficult to find the shore bank idle area of large area to build If buffer strip, too short vegetation buffer strip can not meet runoff Water warfare requirement again.Therefore, pole is necessary to seek one kind because of ground system Suitable rainwash groundwater pollution control, further cut down Rainfall Runoff and enter river amount, reduce pollution of river risk.
Utility model content
The utility model is complicated for prior art construction, takes larger bank ground area, while quantities is larger, overall It is upper to need larger investment, the defects of practicality is not strong, a kind of shore bank step combined type pollution of area source control system is proposed, is utilized Shore bank land-based area plot, water leg and buried U-shaped purifier are set, the suspended solid in runoff water can be intercepted well, had The pollutant of effect purification rainwash, that reduces pollutant enters river amount, and has good landscape effect.
The utility model is achieved through the following technical solutions:
A kind of shore bank step combined type pollution of area source control system is the utility model is related to, including:It is sequentially connected and buries In water leg below ground, U-shaped purifier and overflow pipe, wherein:The delivery port of water leg is higher than the water inlet of overflow pipe, The water inlet of overflow pipe is higher than the delivery port of overflow pipe;The delivery port of overflow pipe is passed through river course, and higher than the ordinary water level in river course.
Described water leg is set along riverbank direction every a segment distance.
The distance between described adjacent water leg determines according to riverbank watershed area and rainfall.
The width of described water leg is 25~40cm, and depth is 40~60cm.
Described U-shaped purifier includes:U-type groove, filler, deflection plate and non-woven fabrics interlayer, wherein:Non-woven fabrics interlayer edge U-type groove inwall is laid, and deflection plate is arranged in the opening of U-type groove, and filler is filled in U-type groove.
The width of described U-type groove is 60~120cm, and depth is 80~100cm.
Described deflection plate is T font structures.
Distance from bottom U-type groove 10~15cm of bottom of described deflection plate.
Described deflection plate is PVC material.
Described filler is porous sorbing material.
The thickness of described non-woven fabrics interlayer is 1mm, and it lays height and exceeds filler depth.
Turf buffer strip is set between the delivery port and river course of described overflow pipe.
Yellow flag is planted in described river course above ordinary water level, and canna is planted on ramp.
Said system is when actually implementing, the rainwash water inflow water leg progress preliminary sedimentation of pollution, after precipitation Supernatant is purified by the delivery port of water leg into U-shaped purifier, directly entered by overflow pipe after purification river or Flow through turf buffering bring river into, enter river mouth hygrophyte and submerged plant system to the further purification of runoff water, realize earth's surface The step control of runoff pollution.
Technique effect
Compared with prior art, the utility model utilizes shore bank land-based area plot, sets water leg and buried U-shaped purification dress Put, intercept runoff water in suspended solid, while the filler in U-type groove to the nutrient pollutants such as nitrogen, phosphorus, organic matter have compared with Good clean-up effect;If shore bank plot conditions permit, can also set buffer strip, with further after U-shaped purifier water outlet Purify runoff water.
Brief description of the drawings
Fig. 1 is control system schematic diagram;
Fig. 2 is embodiment schematic diagram;
In figure:1 it is water leg, 2 be deflection plate, 3 be filler, 4 be non-woven fabrics interlayer, 5 be U-shaped purifier, 6 is overflow Pipe.
Embodiment
As depicted in figs. 1 and 2, the present embodiment includes:It is sequentially connected and is embedded in water leg 1 below ground, U-shaped purification Device 5 and overflow pipe 6, wherein:The delivery port of water leg 1 is higher than the water inlet of overflow pipe 6, and the water inlet of overflow pipe 6 is higher than excessive The delivery port of flow tube 6;The delivery port of overflow pipe 6 is passed through river course, and higher than the ordinary water level in river course.
Described water leg 1 is set along riverbank direction every 10m.
The distance between described adjacent water leg 1 determines according to riverbank watershed area and rainfall, in charge for remittance The region that region area is big, rainfall is larger, can completely it set.
The width of described water leg 1 is 30cm, depth 50cm.
Described U-shaped purifier 5 includes:U-type groove, filler 3, deflection plate 2 and non-woven fabrics interlayer 4, wherein:Non-woven fabrics every Layer 4 is laid along U-type groove inwall, and deflection plate 2 is arranged in the opening of U-type groove, and filler 3 is filled in U-type groove.
It is floating that described U-type groove by fragment of brick is built into rear cement.
The width of described U-type groove is 80cm, depth 100cm.
Described deflection plate 2 is T-type structure.
The distance from bottom U-type groove bottom 12cm of described deflection plate 2.
Described deflection plate 2 is PVC material.
Described filler 3 is porous sorbing material, can effectively adsorb the polluter such as nitrogen phosphorus in runoff water, while porous Structure is that microorganism etc. provides larger attachment surface, and more preferable condition is provided for the degraded of runoff water organic matter.
The thickness of described non-woven fabrics interlayer 4 is 1mm, and it is 90cm that it, which lays height,.
As shown in Fig. 2 if river course bank slope width allows, turf is set between the delivery port and river course of described overflow pipe Buffer strip, i.e. meadow, the water outlet of U-shaped purifier enter river after overflow pipe and the purification of turf buffer strip.
Yellow flag is planted in described river course above ordinary water level, and canna is planted on ramp, using water purification plant and micro- The purification systems of biology structure, to entering the further purified treatment of river runoff water.
The present embodiment is related to the control method based on said system, and the rainwash water of pollution flows into water leg 1 and carried out just Step is precipitated, and the supernatant after precipitation is purified by the delivery port of water leg 1 into U-shaped purifier 5, non-woven fabrics interlayer 4 It is mainly used in preventing in runoff water that graininess pollutant is lost in, the barrier of deflection plate 2 is oriented to, and is increased runoff Water flow-path, is formed U-shaped stream State, the validity and hydraulic detention time of filler 3 are improved, improve clean-up effect;Flowed through after runoff water is purified by overflow pipe 6 Meadow enters river, enter river mouth hygrophyte and submerged plant system to the further purification of runoff water, the filter-feeding fish of korneforos with Water plant system forms the aquatic ecosystem of health, realizes the step control of rainwash pollution.
The present embodiment to SS intercepting efficiency 58~92%, it is (total to TP to the removal efficiency of ammonia nitrogen 35~55% Phosphorus) purification efficiency 32~47%.
The present embodiment floor space is smaller, and U-type groove upper cover plate may also be combined with ecological riverway construct and design into pavement, enter One step improves City's Waterfront land region domain land utilization efficiency.
Above-mentioned specific implementation can by those skilled in the art on the premise of without departing substantially from the utility model principle and objective with Different modes carries out local directed complete set to it, and the scope of protection of the utility model is defined by claims and not by above-mentioned specific Implementation is limited, and each implementation in the range of it is by the constraint of the utility model.

Claims (9)

  1. A kind of 1. shore bank step combined type pollution of area source control system, it is characterised in that including:It is sequentially connected and is embedded in ground The water leg of lower section, U-shaped purifier and overflow pipe, wherein:The delivery port of water leg is higher than the water inlet of overflow pipe, overflow pipe Water inlet be higher than overflow pipe delivery port;The delivery port of overflow pipe is passed through river course, and higher than the ordinary water level in river course.
  2. 2. system according to claim 1, it is characterized in that, described water leg is set along riverbank direction every a segment distance Put.
  3. 3. system according to claim 2, it is characterized in that, the width of described water leg is 25~40cm, depth 40 ~60cm.
  4. 4. system according to claim 1, it is characterized in that, described U-shaped purifier includes:U-type groove, filler, baffling Plate and non-woven fabrics interlayer, wherein:Non-woven fabrics interlayer is laid along U-type groove inwall, and deflection plate is arranged in the opening of U-type groove, filler It is filled in U-type groove.
  5. 5. system according to claim 4, it is characterized in that, described deflection plate is T font structures.
  6. 6. system according to claim 4, it is characterized in that, described filler is porous sorbing material.
  7. 7. system according to claim 4, it is characterized in that, the laying of described non-woven fabrics interlayer highly exceeds filler depth Degree.
  8. 8. system according to claim 1, it is characterized in that, turf is set between the delivery port and river course of described overflow pipe Buffer strip.
  9. 9. system according to claim 1, it is characterized in that, yellow flag, ramp are planted in described river course above ordinary water level Upper plantation canna.
CN201720472506.1U 2017-04-28 2017-04-28 Shore bank step combined type pollution of area source control system Active CN206751614U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720472506.1U CN206751614U (en) 2017-04-28 2017-04-28 Shore bank step combined type pollution of area source control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720472506.1U CN206751614U (en) 2017-04-28 2017-04-28 Shore bank step combined type pollution of area source control system

Publications (1)

Publication Number Publication Date
CN206751614U true CN206751614U (en) 2017-12-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720472506.1U Active CN206751614U (en) 2017-04-28 2017-04-28 Shore bank step combined type pollution of area source control system

Country Status (1)

Country Link
CN (1) CN206751614U (en)

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