CN211921207U - Assembled revetment type constructed wetland system - Google Patents
Assembled revetment type constructed wetland system Download PDFInfo
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- CN211921207U CN211921207U CN201922279763.5U CN201922279763U CN211921207U CN 211921207 U CN211921207 U CN 211921207U CN 201922279763 U CN201922279763 U CN 201922279763U CN 211921207 U CN211921207 U CN 211921207U
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Abstract
The utility model discloses an assembled revetment type constructed wetland system, which comprises a first prefabricated part, a second prefabricated part, a filler and a connecting pipe; the first prefabricated members extend and are spliced along the horizontal direction and gradually decrease in height, and each first prefabricated member is connected with another adjacent first prefabricated member to form a first water storage treatment unit; the second prefabricated member is connected with the first prefabricated member at the lowest end to form a second water storage processing unit; the filler comprises a filtering and purifying layer, a composite planting soil layer and a functional filler layer; the connecting pipe comprises a plurality of water inlet pipes and a plurality of water outlet pipes. The utility model has the advantages that: the ecological revetment is subjected to assembly type construction, so that the engineering construction efficiency can be effectively improved, the construction period is accelerated, the influence of weather factors on the construction period is reduced, the influence of project construction on the surrounding environment is reduced to the greatest extent, and the ecological revetment has the advantages of energy conservation, economy, shortening of the construction period, environmental protection and the like.
Description
Technical Field
The utility model relates to an environmental protection technical field specifically indicates an assembled revetment type constructed wetland system.
Background
Along with the rapid development of social economy in China, the urbanization construction process is accelerated, and the urban rainwater underlying surface is seriously hardened. The heat island effect formed by a large number of high-rise buildings accelerates the rainfall speed of the city, so that the city is easily subjected to rainstorm to generate a large number of surface runoff mixed with high pollutants, and huge pressure is caused on the urban water environment; the proposal of the construction concept of the sponge city and the determination of the six-character guideline of seepage, stagnation, storage, purification, use and discharge define that the sponge city facility also needs to have the function of water quality purification. The assembly type building is an energy-saving and environment-friendly technology, is greatly popularized in all social circles, and is a main direction in the urban construction field in the future. In addition, with the continuous improvement of the treatment requirement of urban water environment, the tail water discharge index of the conventional sewage plant cannot meet the new water quality requirement. Therefore, a new ecological revetment integrating the functions of the artificial wetland and combining with low-influence development facilities to realize the integration of urban waterfront landscape construction and water quality purification targets is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problem that the prior art lacks an ecological revetment which can realize the beautification of urban waterfront landscape and purify water quality, and provides an assembled revetment type artificial wetland system which comprises a first prefabricated member, a second prefabricated member, a filler and a connecting pipe;
the first prefabricated member is provided with a plurality of prefabricated members; every two adjacent first prefabricated parts are connected to form a first water storage treatment unit; the first water storage processing units are vertically distributed in a step-by-step fall shape; the second prefabricated member is connected with the first prefabricated member at the lowest end to form a second water storage treatment unit; the filler is filled in the first water storage processing unit and the second water storage processing unit;
the connecting pipe comprises a plurality of water inlet pipes and a plurality of water outlet pipes; the water inlet pipe is arranged at the top of the first water storage processing unit at the uppermost end and at the bottom of the rest of the first water storage processing unit; the water outlet pipe is arranged at the bottom of the first water storage processing unit at the uppermost end and the tops of the rest first water storage processing units except the first water storage processing unit at the uppermost end and the lowermost end; and the water inlet pipe and the water outlet pipe of the adjacent first water storage processing unit are communicated.
Further, the first prefabricated member is integrally formed or spliced into an L shape by the vertical part and the horizontal part; the vertical end surfaces of the vertical part and the horizontal part, which are opposite to each other, are respectively provided with a first groove and a first protruding strip; the adjacent first prefabricated members are matched with the first protruding strips through the first grooves; and the second prefabricated member is provided with a second protruding strip/a second groove matched with the first groove/the first protruding strip.
Further, the filler comprises a filtering and purifying layer, a composite planting soil layer and a functional filler layer; a filtering and purifying layer, a composite planting soil layer and a functional filler layer are filled in the first water storage treatment unit from top to bottom; the bottom of the second water storage processing unit is filled with a functional filler layer; and a surface wetting stratum is arranged at the top of the second water storage treatment unit.
Further, the connecting pipe is a perforated pipe; and a filtering woven fabric is arranged outside the connecting pipe.
Furthermore, a plurality of rows of first grooves are arranged on the vertical end surface of the vertical part of the first prefabricated part back to the horizontal part of the first prefabricated part, and the first grooves in the same row are arranged at intervals; and a plurality of rows of second grooves are arranged on the vertical end surface of the second prefabricated member, and the plurality of second grooves in the same row are arranged at intervals.
Furthermore, waterproof layers are respectively arranged at the matching positions of the first groove and the first protruding strip and the matching positions of the first protruding strip and the second groove.
Further, a plurality of pipeline grooves for arranging pipelines are respectively arranged on the first prefabricated member and the second prefabricated member.
Further, be equipped with the preformed hole on the vertical portion of first prefab and with the preformed hole cooperation is used for connecting the tenon spare of two first prefabs.
Furthermore, a valve is arranged on the connecting pipe.
Further, the thickness of the filtration and purification layer is 100mm, the thickness of the composite planting soil layer is 300 mm-400 mm, and the thickness of the functional filler layer is 400 mm-500 mm.
The utility model has the advantages that: a multi-layer purification mechanism is adopted to effectively purify rainwater, tail water of a sewage plant and other reclaimed water needing purification treatment, so that the direct discharge of primary rain and tail water which does not reach the discharge standard to pollute a receiving water body is avoided; the rainwater storage device has a certain water storage function in rainy seasons, can absorb and accumulate partial rainwater, eliminates urban waterlogging and relieves the drainage pressure of municipal pipe networks; the first prefabricated member and the second prefabricated member can realize large-scale production, the ecological revetment is subjected to assembly type construction, the engineering construction efficiency can be effectively improved, the construction period is shortened, the influence of weather factors on the construction period is reduced, the influence of project construction on the surrounding environment is reduced to the maximum extent, and the ecological revetment has the advantages of energy conservation, economy, construction period shortening, environmental protection and the like.
Drawings
Fig. 1 is the utility model relates to a structure schematic diagram of assembled revetment type constructed wetland system.
Fig. 2 is a schematic perspective view of a first preform of fig. 1.
Fig. 3 is a schematic structural diagram of another view angle in fig. 2.
Fig. 4 is a schematic perspective view of the second preform of fig. 1.
Fig. 5 is a schematic perspective view of the three first preforms of fig. 2 after splicing.
In the figure, 1, a first preform; 2. a second preform; 3. a first groove; 4. a first raised strip; 5. a first water storage processing unit; 6. a second water storage processing unit; 7. a filtration purification layer; 8. a composite planting soil layer; 9. a functional filler layer; 10. surface-flowing wet formations; 11. a water inlet pipe; 12. a water outlet pipe; 13. a pipeline groove; 14. a tenon member; 15. reserving a hole; 16. a second groove.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 to 5, an assembled revetment type constructed wetland system comprises a first prefabricated member 1, a second prefabricated member 2, a filler and a connecting pipe; the first and second prefabricated members 1 and 2 of the present embodiment are preferably cast using C30 reinforced concrete.
The first prefabricated member 1 is integrally formed or spliced into an L shape by a vertical part and a horizontal part; the vertical end surfaces of the vertical part and the horizontal part, which are opposite to each other, are respectively provided with a first groove 3 and a first protruding strip 4; the first prefabricated members 1 are multiple, the multiple first prefabricated members 1 extend and are spliced along the horizontal direction and gradually lower in height, each first prefabricated member 1 is connected with part of the vertical part of another adjacent first prefabricated member 1 through a first groove 3 and a first raised strip 4 through the horizontal part of each first prefabricated member 1 to form a first water storage processing unit 5, the multiple first water storage processing units 5 are vertically distributed in a step-by-step fall shape, the second prefabricated member 2 is preferably in an I shape, and second raised strips/second grooves 16 matched with the first grooves 3/first raised strips 4 are formed in the second prefabricated member 2; the second prefabricated member 2 is connected with the first prefabricated member 1 at the lowest end to form a second water storage processing unit 6. In this embodiment, preferably, a plurality of rows of first grooves 3 are formed on a vertical end surface of the vertical part of the first prefabricated member 1, which faces away from the horizontal part, and the plurality of first grooves 3 in the same row are arranged at intervals; a plurality of rows of second grooves 16 are arranged on the vertical end surface of the second prefabricated member 2, and the plurality of second grooves 16 in the same row are arranged at intervals. The first grooves 3 with different heights are selected through the first raised strips 4 to realize the regulation and control of the capacity of the first water storage processing unit 5; the second grooves 16 with different heights are selected through the second convex strips to cooperate to realize the regulation and control of the capacity of the second water storage processing unit 6.
For better waterproof sealing performance, waterproof layers are respectively arranged at the matching positions of the first groove 3 and the first protruding strip 4 and the matching positions of the first protruding strip 4 and the second groove 16. Through adopting recess and protruding strip complex structural style between a plurality of first prefab 1 or between first prefab 1 and the second prefab 2, the effectual damage that leads to the waterproof layer of avoiding the basis to subside to increase the depth of waterproof layer, strengthen the water storage function.
The single first preform 1 in this example has a length, width, height dimension of 2400mm 1500mm and a thickness of 150 mm. The single second preform 2 had a length of 2400mm, a height of 1500mm and a thickness of 150 mm.
The filler comprises a filtering and purifying layer 7, a composite planting soil layer 8 and a functional filler layer 9; the first water storage treatment unit 5 is filled with a filtering and purifying layer 7, a composite planting soil layer 8 and a functional filler layer 9 from top to bottom; the bottom of the second water storage processing unit 6 is filled with a functional packing layer 9, and the functional packing layer 9 can be one or more of ceramsite, zeolite, limestone or blast furnace slag; the top of the second water storage processing unit 6 is provided with a surface flowing wet stratum 10. The filtration and purification layer 7 consists of 25% of sandy soil, 45% of ceramsite and 30% of permeable medium in mass ratio, and the filtration and purification layer 7 can play a role in purifying the primary rain; the composite planting soil layer 8 consists of water storage ceramsite and planting soil, the mass ratio of the water storage ceramsite is 20% -30%, and the water storage effect can be achieved through the effect of the water storage ceramsite, so that urban waterlogging is effectively relieved. The thickness of the filtering and purifying layer 7 is preferably 100mm, the thickness of the composite planting soil layer 8 is preferably 300 mm-400 mm, and the thickness of the functional filler layer 9 is preferably 400 mm-500 mm.
The connecting pipe comprises a plurality of water inlet pipes 11 and a plurality of water outlet pipes 12; the water inlet pipe 11 is arranged at the top of the first water storage processing unit 5 at the uppermost end and at the bottom of the rest first water storage processing units 5; the water outlet pipe 12 is arranged at the bottom of the first water storage processing unit 5 at the uppermost end and at the top of the rest first water storage processing units 5 except the first water storage processing units 5 at the uppermost end and the lowermost end; the water inlet pipe 11 and the water outlet pipe 12 of the adjacent first water storage processing unit 5 are communicated. It should be noted that a plurality of water inlet pipes 11 and water outlet pipes 12 may be disposed in each of the first water storage processing units 5. The connecting pipe is provided with a valve, the water storage amount and the purification degree of a certain first water storage processing unit 5 can be controlled by opening and closing the valve, and when the higher purification degree is required, the valve can be closed, so that the time for water to stay in each first water storage processing unit 5 exceeds or approaches 6 hours; when water flow is required to pass through quickly, the valve can be opened, the device is suitable for heavy rain weather, and urban waterlogging is avoided.
The connecting pipe is a perforated pipe; the connecting pipe is externally provided with a filtering woven fabric, the filtering woven fabric adopts a wet filtering mode, can be laid between the composite planting soil layer 8 and the connecting pipe, and can also be directly coated on the outer wall of the connecting pipe, and the filtering woven fabric is mainly used for preventing particles in the composite planting soil layer 8 from blocking a porous structure of the connecting pipe.
Before the filling construction, a soil penetration test is carried out to ensure that the water permeability is not less than 150mm/h, and the proportion of different components in the filtering and purifying layer 7 can be properly adjusted according to the test result. The water treated by the filtering and purifying layer 7 and the filtering fabric reaches five types of standards of surface water environmental quality standard (GB3838-2002), and in this case, the composition proportion of the filtering and purifying layer 7, the material quality of the filtering fabric and the thickness of the filtering fabric are adjusted through tests.
In addition, the first preform 1 and the second preform 2 are respectively provided with a plurality of chase 13 for laying a pipeline. On-line detection equipment is convenient to install in the later stage. The vertical part of the prefabricated member is provided with a preformed hole 15 and a tenon member 14 which is matched with the preformed hole 15 and is used for connecting the two first prefabricated members 1. As shown in fig. 5, when 2 first prefabricated members 1 are spliced at different height positions, the installation is realized through the cooperation of the first grooves 3 and the first protruding strips 4, and when 2 first prefabricated members 1 are spliced at the same height position, the connection is realized through the preformed holes 15 and the tenon members 14, and of course, other existing connection modes can also be adopted.
As shown in fig. 1, the water flow path of the present embodiment is: after entering from the top of the first water storage processing unit 5 at the uppermost end, water is discharged from a water outlet pipe 12 at the bottom of the first water storage processing unit 5, enters from a water inlet pipe 11 at the bottom of the next first water storage processing unit 5, and then is discharged from a water outlet pipe 12 at the top of the first water storage processing unit 5; the effluent water enters through a water inlet pipe 11 at the bottom of the next first water storage processing unit 5, and then the water in the first water storage processing unit 5 overflows from the top and flows into a surface wetting stratum 10 in the second water storage processing unit 6, and finally is discharged into the surrounding water body. The top parts of the first water storage treatment unit 5 and the second water storage treatment unit 6 are respectively provided with planting plants, and the planting plants in the embodiment are typical artificial wetland common plant species.
The field construction mode sequence of the embodiment is as follows: excavation of a foundation pit, tamping and leveling of a foundation, installation of a first prefabricated part 1 and a second prefabricated part 2, installation of a connecting pipe, paving of filter cloth, paving of a functional filler layer 9, paving of a composite planting soil layer 8, placing of seedlings and paving of a filter purification layer 7.
Claims (10)
1. The utility model provides an assembled revetment type constructed wetland system which characterized in that: comprises a first prefabricated part (1), a second prefabricated part (2), a filler and a connecting pipe;
a plurality of the first prefabricated members (1); every two adjacent first prefabricated parts (1) are connected to form a first water storage treatment unit (5); the first water storage processing units (5) are vertically distributed in a step-by-step fall shape; the second prefabricated member (2) is connected with the first prefabricated member (1) at the lowest end to form a second water storage treatment unit (6); the filler is filled in the first water storage processing unit (5) and the second water storage processing unit (6);
the connecting pipe comprises a plurality of water inlet pipes (11) and a plurality of water outlet pipes (12); the water inlet pipe (11) is arranged at the top of the uppermost first water storage processing unit (5) and at the bottom of the rest first water storage processing units (5); the water outlet pipe (12) is arranged at the bottom of the uppermost first water storage processing unit (5) and the tops of the rest first water storage processing units (5) except the uppermost and lowermost first water storage processing units (5); the water inlet pipe (11) and the water outlet pipe (12) of the adjacent first water storage processing units (5) are communicated.
2. The fabricated revetment type constructed wetland system of claim 1, wherein: the first prefabricated part (1) is integrally formed or spliced into an L shape by a vertical part and a horizontal part; the vertical end surfaces of the vertical part and the horizontal part, which are opposite, are respectively provided with a first groove (3) and a first protruding strip (4); the adjacent first prefabricated members (1) are matched with the first convex strips (4) through the first grooves (3); and a second protruding strip/second groove (16) matched with the first groove (3)/the first protruding strip (4) is arranged on the second prefabricated member (2).
3. The fabricated revetment type constructed wetland system of claim 2, wherein: the filler comprises a filtering and purifying layer (7), a composite planting soil layer (8) and a functional filler layer (9); the first water storage treatment unit (5) is filled with a filtering and purifying layer (7), a composite planting soil layer (8) and a functional filler layer (9) from top to bottom; the bottom of the second water storage processing unit (6) is filled with a functional filler layer (9); and a surface flow wet stratum (10) is arranged at the top of the second water storage treatment unit (6).
4. The fabricated revetment type constructed wetland system of claim 1, wherein: the connecting pipe is a perforated pipe; and a filtering woven fabric is arranged outside the connecting pipe.
5. The fabricated revetment type constructed wetland system of claim 2, wherein: a plurality of rows of first grooves (3) are formed in the vertical end surface of the vertical part of the first prefabricated part (1), back to the horizontal part of the first prefabricated part, and the first grooves (3) in the same row are arranged at intervals; and a plurality of rows of second grooves (16) are arranged on the vertical end surface of the second prefabricated member (2), and the second grooves (16) in the same row are arranged at intervals.
6. The fabricated revetment type constructed wetland system of claim 5, wherein: waterproof layers are respectively arranged at the matching positions of the first grooves (3) and the first protruding strips (4) and the matching positions of the first protruding strips (4) and the second grooves (16).
7. The fabricated revetment type constructed wetland system of claim 1, wherein: the first prefabricated member (1) and the second prefabricated member (2) are respectively provided with a plurality of pipeline grooves (13) for arranging pipelines.
8. The fabricated revetment type constructed wetland system of claim 1, wherein: be equipped with preformed hole (15) on the vertical portion of first prefab (1) and with preformed hole (15) cooperation is used for connecting tenon spare (14) of two first prefabs (1).
9. The fabricated revetment type constructed wetland system of claim 1, wherein: and a valve is arranged on the connecting pipe.
10. The fabricated revetment type constructed wetland system of claim 3, wherein: the thickness of the filtration purification layer (7) is 100mm, the thickness of the composite planting soil layer (8) is 300 mm-400 mm, and the thickness of the functional filler layer (9) is 400 mm-500 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922279763.5U CN211921207U (en) | 2019-12-18 | 2019-12-18 | Assembled revetment type constructed wetland system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922279763.5U CN211921207U (en) | 2019-12-18 | 2019-12-18 | Assembled revetment type constructed wetland system |
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| CN211921207U true CN211921207U (en) | 2020-11-13 |
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| CN201922279763.5U Active CN211921207U (en) | 2019-12-18 | 2019-12-18 | Assembled revetment type constructed wetland system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636711A (en) * | 2021-01-16 | 2021-11-12 | 中建三局绿色产业投资有限公司 | Assembled revetment type aerobic/anoxic/aerobic constructed wetland system and application thereof |
-
2019
- 2019-12-18 CN CN201922279763.5U patent/CN211921207U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636711A (en) * | 2021-01-16 | 2021-11-12 | 中建三局绿色产业投资有限公司 | Assembled revetment type aerobic/anoxic/aerobic constructed wetland system and application thereof |
| CN113636711B (en) * | 2021-01-16 | 2023-05-12 | 中建三局绿色产业投资有限公司 | Assembled revetment type aerobic/anoxic/aerobic constructed wetland system and application thereof |
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