CN114438979B - Ecological drainage ditch with sewage interception and water control functions and construction method thereof - Google Patents
Ecological drainage ditch with sewage interception and water control functions and construction method thereof Download PDFInfo
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- CN114438979B CN114438979B CN202210090318.8A CN202210090318A CN114438979B CN 114438979 B CN114438979 B CN 114438979B CN 202210090318 A CN202210090318 A CN 202210090318A CN 114438979 B CN114438979 B CN 114438979B
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- 239000010865 sewage Substances 0.000 title claims abstract description 78
- 238000010276 construction Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 121
- 238000001914 filtration Methods 0.000 claims description 21
- 238000002955 isolation Methods 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 238000001556 precipitation Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 7
- 239000006004 Quartz sand Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 5
- 239000011574 phosphorus Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 230000002349 favourable effect Effects 0.000 description 6
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 241000192710 Microcystis aeruginosa Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/14—Preformed blocks or slabs for forming essentially continuous surfaces; Arrangements thereof
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
- E02B5/085—Arresting devices for waterborne materials, e.g. gratings
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Ocean & Marine Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The application relates to the technical field of construction of drainage ditches, in particular to an ecological drainage ditch with a sewage interception and control function and a construction method thereof. The method has the advantages of enhancing the adsorption removal capability of nitrogen and phosphorus, intercepting, controlling pollution, protecting environment and saving energy and meeting the growth requirement of terrestrial plants.
Description
Technical Field
The application relates to the technical field of drainage ditch construction, in particular to an ecological drainage ditch with a sewage interception and control function and a construction method thereof.
Background
In agricultural production activities, due to the use of a large amount of fertilizers and pesticides, nutrient substances such as nitrogen and phosphorus or pollutants such as pesticides cause serious pollution to water environment through surface runoff of farmlands and seepage of farmlands. In order to prevent farmland drainage from breeding water bloom, the traditional construction is to arrange ecological facilities such as a river-like ecological pond or an artificial wetland at the drainage position of an agricultural irrigation canal, but needs to occupy the blue line of a forest land, an agricultural land and even a river channel, which causes construction difficulty to reasonable and effective distribution points, and the conventional drainage system is uncontrollable, only meets the requirements of agricultural high yield and drainage in terms of drainage amount, and does not consider the effect of purifying water quality of a drainage canal; although the traditional process plays a certain role in restoring farmland ecology and improving water environment, the problems that ditch ecology is not thoroughly transformed, aquatic plant species are single, water quality is not purified, and plants in the dead water period die due to water shortage and the like exist.
Disclosure of Invention
In order to improve the growth requirement of terrestrial plants and enhance the adsorption removal capability of nitrogen and phosphorus, the application provides an ecological drainage ditch with a sewage interception and control function and a construction method thereof.
The application provides an ecological drainage ditch with a sewage interception and control function and a construction method thereof, which adopts the following technical scheme:
the utility model provides a take ecological escape canal of intercepting sewage accuse water function, includes the water-proof canal, the water-proof canal is used for cutting off farmland sewage, a plurality of outlet have been seted up along length direction to the water-proof canal, the outlet is used for the drainage, the water outlet has been seted up to one side of water-proof canal, the water outlet is installed and is cut off sewage control device, the water outlet is kept away from one side of outlet is provided with self-embedded retaining wall, one side that the water-proof canal was kept away from to self-embedded retaining wall is provided with the escape canal, the escape canal is provided with a plurality of filter dams along length direction.
Through adopting above-mentioned technical scheme, sewage passes through the outlet and gets into in the water proof canal, and in entering the delivery port, then filter and carry out dynamic adjustment to the rivers under the effect of intercepting sewage accuse water installation, then in flowing into the water drainage canal through the filtration of self-embedded retaining wall, flow through a plurality of filter dams along the length direction of water drainage canal, carry out final filtration, promote the growth demand that satisfies land plant, the reinforcing is to nitrogen phosphorus's absorption removal ability.
Optionally, the filter dam comprises a precipitation base, a filter base and a vegetation layer, wherein the precipitation base is arranged at the bottom of the drainage canal, the filter base is fixed at the top of the precipitation base, and the vegetation layer is arranged at the top of the filter base.
Through adopting above-mentioned technical scheme, rivers pass through the filtration basic unit for the filtration basic unit filters rivers, and can provide water purification, energy-concerving and environment-protective to the vegetable layer.
Optionally, a crosswalk is fixed at the middle part of the vegetation layer along the width direction of the filter base layer.
Through adopting above-mentioned technical scheme, the setting of crosswalk can supply the pedestrian to lead to the filter dam.
Optionally, the self-embedded retaining wall comprises a plurality of concrete block splicing layers, and the concrete block splicing layers are arranged in a step shape.
Through adopting above-mentioned technical scheme, the echelonment thoughtlessly congeals body building block concatenation layer can play the effect of buffering to rivers, can play filterable effect to rivers simultaneously, is favorable to further filtering rivers.
Optionally, the concrete block concatenation layer includes a plurality of concrete blocks, one side of concrete block is trapezoidal setting, is used for pegging graft the lateral wall of water proof channel, the bottom of concrete cutting is provided with two reference columns, the top of concrete block corresponds and is provided with two constant head tanks, is located the upper strata two of concrete block the reference column is used for with be located two adjacent constant head tanks grafting cooperation of concrete block of next floor.
Through adopting above-mentioned technical scheme, the setting of reference column can peg graft the cooperation with the constant head tank to connect the polylith concrete block and form wholly, be favorable to improving overall structure's stability.
Optionally, the sewage interception and control device comprises a sewage interception component and a water control component, wherein the sewage interception component is used for being arranged on one side close to a farmland, and the water control component is arranged on the other side.
Through adopting above-mentioned technical scheme, cut dirty subassembly's setting, can filter the rivers and evolving, the setting of accuse water subassembly can be adjusted the flow of flowing water.
Optionally, the dirt interception component comprises a filter screen plate, the filter screen plate is installed in the water outlet, one side of the filter screen plate, which is close to the water outlet, is obliquely arranged from the bottom to the top, a cavity is formed in the filter screen plate, and an active carbon layer and a quartz sand layer are sequentially arranged in the cavity along the length direction.
Through adopting above-mentioned technical scheme, activated carbon layer and quartz sand layer can filter the purification to sewage, reduce the harmful substance in the sewage for sewage can become the water purification, can be used for irrigation plant, reutilization, energy-concerving and environment-protective.
Optionally, the accuse water subassembly includes the breakwater, the inside fixed mounting of delivery port has the bull stick, the breakwater passes through the bull stick rotates to be installed in the delivery port, the spring is installed to the bottom of breakwater, just the spring is located the breakwater is close to cut one side of sewage control device.
Through adopting above-mentioned technical scheme, at the in-process of drainage, the breakwater can block sewage to make sewage ration pass through the delivery port, when the flow of sewage increases, can promote the breakwater and rotate, the breakwater can carry out the temporary closure to the delivery port this moment, thereby is favorable to slowing down the displacement of water drainage canal, through dynamic regulation and control, makes water drainage canal be in balanced drainage state all the time.
Optionally, the top of concrete block runs through the bottom and has seted up the holding tank, the holding tank is filled with rubble layer and volcanic stone layer.
Through adopting above-mentioned technical scheme, the setting of rubble layer can improve the filter effect to sewage, and the setting of volcanic stone layer can filter sewage to reduce the nitrogen phosphorus content in the middle of the sewage, improve the overall quality of sewage, be favorable to the plant to absorb.
In a second aspect, a construction method of an ecological drainage ditch includes the steps of:
s1, pouring a water-proof channel and separating farmlands;
s2, a water outlet is formed in one side, far away from farmlands, of the water isolation channel, and a sewage interception assembly and a water control assembly are installed in the water outlet;
s3, a drainage canal is arranged on one side, far away from farmlands, of the water separation canal, and a self-embedded retaining wall is paved on one side, close to the water separation canal, of the drainage canal;
s4, building a filtering dam along the length direction of the drainage channel;
s5, a water outlet is formed in one side, close to a farmland, of the water isolation channel.
In summary, the present application includes at least one of the following beneficial technical effects:
sewage enters the water isolation canal through the water outlet and enters the water outlet, then is filtered under the action of the sewage interception and control device and dynamically adjusts the water flow, then flows into the drainage canal through the filtering action of the self-embedded retaining wall, flows through a plurality of filtering dams along the length direction of the drainage canal, is subjected to final filtering, and can be used for improving the growth requirement of terrestrial plants and enhancing the adsorption removal capability of nitrogen and phosphorus;
the positioning column is arranged and can be in plug-in fit with the positioning groove, so that a plurality of concrete blocks are connected to form a whole, and the stability of the whole structure is improved;
the activated carbon layer and the quartz sand layer can filter and purify the sewage, and reduce harmful substances in the sewage, so that the sewage can be changed into purified water, can be used for irrigating plants, can be reused, and is energy-saving and environment-friendly;
the setting of rubble layer can improve the filter effect to sewage, and the setting of volcanic layer can filter sewage to reduce the nitrogen phosphorus content in the middle of the sewage, improve the overall quality of sewage, be favorable to the plant to absorb.
Drawings
Fig. 1 is a schematic diagram of an overall structure of an ecological drainage ditch with a sewage interception and control function, which comprises a water isolation ditch according to an embodiment of the application.
Fig. 2 is a schematic diagram of a sewage interception and control device of an ecological drainage ditch with a sewage interception and control function according to an embodiment of the application.
Fig. 3 is a schematic structural view of a concrete block according to an embodiment of the present application.
Reference numerals illustrate:
1. a water isolation channel; 2. a water outlet; 3. a water outlet; 4. a sewage interception and control device; 411. a filter screen plate; 414. ear plates; 421. a water baffle; 422. a spring; 5. self-embedded retaining wall; 51. a concrete block; 511. positioning columns; 512. a positioning groove; 513. a receiving groove; 6. filtering dams; 61. a precipitation base; 62. a filter base layer; 63. a planting groove; 64. crosswalk.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
In a first aspect, the embodiment of the application discloses an ecological drainage ditch with a sewage interception and control function.
Referring to fig. 1, an ecological drainage ditch with a sewage interception and control function comprises a water isolation ditch 1, wherein the water isolation ditch 1 is used for isolating farmland sewage, one side, close to a farmland, of the water isolation ditch 1 is provided with a plurality of drainage ports 2 along the length direction, and the drainage ports 2 are used for drainage. A water outlet 3 is formed in one side, far away from the water outlet 2, of the water separation channel 1, a sewage interception and control device 4 is arranged on the water outlet 3, and the sewage interception and control device 4 is used for filtering sewage and adjusting the discharge speed of the sewage. One side of the water separation channel 1 far away from the farmland is provided with a drainage channel, one side of the drainage channel close to the water separation channel 1 is provided with a self-embedded retaining wall 5, and the drainage channel is provided with a plurality of filtering dams 6 along the length direction.
Referring to fig. 2, the sewage interception and control device 4 includes a sewage interception component and a control component, the sewage interception component is located at one side close to a farmland, and the control component is disposed at the other side.
Specifically, the dirt interception component comprises a filter screen plate 411, the filter screen plate 411 is arranged in a hollow mode, and an activated carbon layer and a quartz sand layer are filled in the filter screen plate 411. The activated carbon layer and the quartz sand layer can filter and purify sewage, and harmful substances in the sewage are reduced, so that the sewage can be changed into purified water, and the water can be used for irrigating plants, can be reused, and is energy-saving and environment-friendly.
One side of the filter screen plate 411 is provided with an opening, and a sealing plate for opening and closing the opening is arranged at the opening, and the sealing plate and the filter screen plate 411 are fixed through bolts. The filter screen plate 411 is inclined towards one side of a farmland, and the cross section is trapezoidal, so that the stability of the filter screen plate 411 at the water outlet 3 can be improved, the capability of resisting sewage impact is improved, sundries in sewage can be deposited at a position close to the bottom through the inclined surface, and people can conveniently clean the water outlet 3. Further, in order to improve the stability of the installation of the filter screen plate 411, the bottom of the filter screen plate 411 is provided with a lug plate 414, and the lug plate 414 is fixed with the bottom surface of the water outlet 3 by bolts.
Referring to fig. 2, the water control assembly includes a water baffle 421, a rotating rod is fixedly installed inside the water outlet 3, and rotating holes are formed through both sides of the water baffle 421 and matched with the rotating rod, so that the water baffle 421 is rotatably installed inside the water outlet 3. Specifically, the water baffle 421 is fixedly connected with a spring 422 towards one side of the farmland, and the other side of the spring 422 is fixedly connected with the bottom surface of the water outlet 3. When the spring 422 is in a natural state, the water baffle 421 is inclined toward the farmland side.
In the drainage process, the breakwater 421 can block sewage, so that sewage quantitatively passes through the water outlet 3, when the flow of the sewage increases, the breakwater 421 can be pushed to rotate, and at the moment, the breakwater 421 can temporarily seal the water outlet 3, so that the drainage quantity of a drainage channel is favorably slowed down, and the drainage channel is always in a balanced drainage state through dynamic regulation and control.
Referring to fig. 1 and 3, the self-embedded retaining wall 5 includes a plurality of concrete block 51 splice layers, and the plurality of concrete block 51 splice layers are arranged in a stepped manner. Specifically, the splicing layer of the concrete blocks 51 is formed by splicing a plurality of concrete blocks 51.
Referring to fig. 3, one side of the concrete block 51 is in a trapezoid shape, a slot is correspondingly arranged on the side wall of the drainage channel, and a part of the concrete block 51 is in plug-in fit with the slot and is filled with concrete for fixed connection. The bottom of the concrete block 51 is provided with two positioning columns 511, the top of the concrete block 51 is correspondingly provided with two positioning grooves 512, the positioning grooves 512 are close to the trapezoid parts, and the positioning columns 511 are far away from the positioning grooves 512. When in connection, firstly, the bottom concrete block 51 and the side wall of the drainage canal are fixedly inserted, and then two positioning columns 511 of the concrete block 51 of the previous layer are respectively aligned with the positioning grooves 512 of two adjacent concrete blocks 51 in the next layer and are matched in an inserted manner, so that a plurality of concrete blocks 51 can be connected to form a whole, and the stability of the whole structure is improved. The positioning column 511 not only has a connecting function, but also can support the concrete block 51, thereby being beneficial to improving the overall installation stability of the concrete block 51.
Referring to fig. 3, a receiving groove 513 is formed through the top of the concrete block 51, and a top surface portion of the concrete block 51 positioned at the lower layer coincides with the bottom of the receiving groove 513, so that the receiving groove 513 can receive objects, and a gap is formed between the receiving groove 513 and the concrete block 51 at the bottom for drainage. The accommodation groove 513 is filled with a gravel layer and a volcanic stone layer, and the gravel layer is located at the bottom of the volcanic stone layer. The setting of rubble layer can improve the filter effect to sewage, and the setting of volcanic layer can filter sewage to reduce the nitrogen phosphorus content in the middle of the sewage, improve the overall quality of sewage, be favorable to the plant to absorb.
Referring to fig. 1, the filter dam 6 includes a settling base 61, a filter base 62, and a vegetation layer, and the settling base 61 is disposed at the bottom of the drainage canal. The filter base is fixedly arranged at the top of the precipitation seat and is used for filtering water flow and playing a role in intercepting, thereby being beneficial to further purifying water sources. The vegetation layer sets up at the top of filtering the basic unit 62, and specifically, has seted up respectively along length direction's both sides limit at the top of filtering the basic unit 62 and has planted groove 63, and plant groove 63 and filter the inside of base and be linked together, the vegetation layer is planted in planting groove 63 for afforestation also has the effect of certain clean environment simultaneously.
Referring to fig. 1, a crosswalk 64 is fixed between two planting grooves 63, and the crosswalk 64 is formed by casting concrete, which is beneficial for pedestrians to walk through the crosswalk 64.
The implementation principle of the ecological drainage ditch with the sewage interception and control function provided by the embodiment of the application is as follows:
when sewage is discharged, sewage enters the water isolation canal 1 through the water outlet 2 and enters the water outlet 3, then flows through the water baffle 421 under the filtration of the filter screen plate 411, dynamically adjusts water flow under the cooperation adjustment of the water baffle 421 and the spring 422, flows into the water drainage canal through the filtration effect of the self-embedded retaining wall 5, flows through the plurality of filter dams 6 along the length direction of the water drainage canal, performs final filtration, promotes and satisfies the growth requirement of terrestrial plants, and enhances the adsorption removal capability of nitrogen and phosphorus.
In a second aspect, the embodiment of the application also discloses a construction method of the ecological drainage ditch, which comprises the following steps:
s1, pouring a water isolation channel 1 and separating farmlands.
S2, a water outlet 3 is formed in one side, far away from a farmland, of the water isolation channel 1, a filter screen plate 411 is installed in the water outlet 3, and the filter screen plate 411 is fixed in the water outlet 3 through bolts, so that periodic replacement is facilitated. Then, the water baffle 421 is rotatably installed on the side of the water outlet 3 away from the farmland through the rotating rod, and the spring 422 is fixed with the bottom surface of the water outlet 3.
S3, a drainage canal is formed on one side, far away from farmlands, of the water isolation canal 1, a plurality of concrete blocks 51 are paved in a trapezoid shape on one side, close to the water isolation canal 1, of the drainage canal, and therefore a self-embedded retaining wall 5 is formed and used for further filtering water flow.
S4, installing a sedimentation base 61 along the length direction of the drainage canal, installing a filter base layer 62 and a vegetation layer on the top of the sedimentation base 61, and finally installing a crosswalk 64 in the middle of the vegetation layer for pedestrians to walk.
S5, a water outlet 2 is formed in one side, close to the farmland, of the water isolation channel 1.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. An ecological escape canal of water function is controlled in area cuts sewage, its characterized in that: the water-proof ditch is characterized by comprising a water-proof ditch (1), wherein the water-proof ditch (1) is used for isolating farmland sewage, a plurality of water outlets (2) are formed in the water-proof ditch (1) along the length direction, the water outlets (2) are used for draining water, a water outlet (3) is formed in one side, far away from the water outlets (2), of the water-proof ditch (1), a sewage-intercepting and water-controlling device (4) is arranged on the water outlet (3), a self-embedded retaining wall (5) is arranged on one side, far away from the water outlets (2), of the water-proof ditch (1), and a plurality of filtering dams (6) are arranged in the water-proof ditch along the length direction; the sewage interception and control device (4) comprises a sewage interception component and a control component, wherein the sewage interception component is arranged on one side close to a farmland, and the control component is arranged on the other side; the sewage interception component comprises a filter screen plate (411), the filter screen plate (411) is installed in the water outlet (3), one side, close to the water outlet (2), of the filter screen plate (411) is obliquely arranged from bottom to top, a cavity is formed in the filter screen plate (411), and an activated carbon layer and a quartz sand layer are sequentially arranged in the cavity along the length direction; the water control assembly comprises a water baffle (421), a rotating rod is fixedly arranged in the water outlet (3), the water baffle (421) is rotatably arranged in the water outlet (3) through the rotating rod, a spring (422) is arranged at the bottom of the water baffle (421), and the spring (422) is located on one side, close to the sewage interception and control device (4), of the water baffle (421).
2. The ecological drainage ditch with sewage interception and control function according to claim 1, wherein: the filter dam (6) comprises a precipitation base (61), a filter base layer (62) and a vegetation layer, wherein the precipitation base (61) is arranged at the bottom of the drainage channel, the filter base layer (62) is fixed at the top of the precipitation base (61), and the vegetation layer is arranged at the top of the filter base layer (62).
3. The ecological drainage ditch with sewage interception and control function according to claim 2, wherein: the middle part of the vegetation layer is fixed with a crosswalk (64) along the width direction of the filter base layer (62).
4. The ecological drainage ditch with sewage interception and control function according to claim 1, wherein: the self-embedded retaining wall (5) comprises a plurality of layers of concrete blocks (51) spliced layers, and the concrete blocks (51) spliced layers are arranged in a step shape.
5. The ecological drainage ditch with sewage interception and control function according to claim 4, wherein: the splicing layer of the concrete blocks (51) comprises a plurality of concrete blocks (51), one side of each concrete block (51) is in a trapezoid shape and is used for being spliced with the side wall of the water isolation channel (1), two positioning columns (511) are arranged at the bottom of each concrete block, two positioning grooves (512) are correspondingly formed in the top of each concrete block (51), two positioning columns (511) of each concrete block (51) are located on the upper layer, and the two positioning columns (511) are used for being spliced and matched with two adjacent positioning grooves (512) of each concrete block (51) located on the lower layer.
6. The ecological drainage ditch with sewage interception and control function according to claim 5, wherein: the top of concrete block (51) runs through bottom and has seted up holding tank (513), holding tank (513) are filled with rubble layer and volcanic stone layer.
7. A construction method of an ecological drainage ditch, which is used for constructing the ecological drainage ditch with the sewage interception and control function according to any one of claims 1-6, and is characterized in that:
s1, pouring a water isolation channel (1) and separating farmlands;
s2, a water outlet (3) is formed in one side, far away from farmlands, of the water isolation channel (1), and a sewage interception assembly and a water control assembly are installed in the water outlet (3);
s3, a drainage canal is arranged on one side, far away from farmlands, of the water separation canal (1), and a self-embedded retaining wall (5) is paved on one side, close to the water separation canal (1), of the drainage canal;
s4, building a filtering dam (6) along the length direction of the drainage channel;
s5, a water outlet (2) is formed in one side, close to a farmland, of the water isolation channel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210090318.8A CN114438979B (en) | 2022-01-25 | 2022-01-25 | Ecological drainage ditch with sewage interception and water control functions and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210090318.8A CN114438979B (en) | 2022-01-25 | 2022-01-25 | Ecological drainage ditch with sewage interception and water control functions and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114438979A CN114438979A (en) | 2022-05-06 |
| CN114438979B true CN114438979B (en) | 2023-12-05 |
Family
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