Water purification wetland structure combined with hard revetment
By designing a water-purified wetland structure connecting the box and fixed pipe on the hard barrier, using the composite purification effect of biological fillers and aquatic plants, the problems of poor ecological affinity and low pollution treatment efficiency of hard barriers are solved, and the more Efficient pollution purification and landscape improvement.
Patent Information
- Application Number
- CN202420131082.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-18
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-01-18
AI Technical Summary
The existing hard embankment has poor ecological affinity, lack of ecological construction conditions and the required substrate for plant growth, resulting in low sewage treatment efficiency and high maintenance costs.
Design a water-purified wetland structure combining hard barriers, including connecting the box on the barrier side to fixed pipes, forming multiple filling spaces, filling different types of biofiller layers, and planting aquatic plants on the top to utilize plants and the physical-chemical-biological composite purification effect of the filler layer reduces pollution.
It improves the pollution treatment effect of hard recessions, enhances the natural purification capacity of water bodies, reduces maintenance costs, and provides an ecological landscape aesthetic effect.
Smart Images
Figure CN222181981U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of environmental governance, in particular to a water purification wetland structure combined with a hard revetment. Background Art
[0002] With the rapid development of social economy, the sewage generated by human activities has gradually increased, flowing into rivers and lakes through the coastline or in the form of outfall runoff, seriously affecting the water quality of rivers and lakes and destroying the balance of the ecosystem. At present, the water ecological management technology for sewage inflow has gradually matured, and the ecological management of sewage outflow in hard revetments is often based on the construction of artificial floating beds or artificial wetlands.
[0003] The existing patent document with patent application number 201520948629.9 discloses a sponge ecological revetment, and specifically discloses a top component, a main body and a bottom component, wherein the bottom component is installed on the bottom surface of the water body, the main body is installed on the bottom component, and the top component is installed on the main body. The main body contains garden waste, and the garden waste is configured to leave pores in the revetment after degradation. According to the above scheme, the revetment will not only lack ecological construction conditions and the matrix required for plant growth if it wants to construct an artificial wetland, but also has a large engineering investment, and subsequent maintenance requires a lot of manpower. Utility Model Content
[0004] The purpose of the utility model is to overcome the above technical deficiencies, provide a water purification wetland structure combined with hard revetments, and solve the problems in the prior art of poor ecological affinity of hard revetments, lack of ecological construction conditions and substrates required for plant growth.
[0005] In order to achieve the above technical purpose, the utility model adopts the following technical solutions:
[0006] The utility model provides a water purification wetland structure combined with a hard revetment, comprising a box body arranged on one side of the hard revetment, and the top of the box body is located below the water surface, and also comprises at least two fixed pipes fixedly arranged in the riverbed at intervals along the direction of the hard revetment, the opposite sides of the box body are respectively connected to the hard revetment and the at least two fixed pipes, at least three filling spaces are formed between the opposite sides of the box body, the bottom and the surrounding side of the box body are provided with a plurality of through holes respectively connected to the three filling spaces, and two adjacent filling spaces are connected to each other, the three filling spaces are respectively filled with different filler layers, and aquatic plants can be planted on the tops of the three filling spaces.
[0007] In some embodiments, the box body includes a square frame, and a mesh plate fixed to the bottom and surrounding sides of the square frame, and a plurality of through holes are formed on the mesh plate.
[0008] In some embodiments, two grid plates are spaced apart in the box body, and the two grid plates divide the box body into three filling spaces.
[0009] In some embodiments, the volume ratio of the filling space close to the hard revetment to the remaining two filling spaces is 2:1:1.
[0010] In some embodiments, the filler layer of one of the filling spaces near the hard revetment is biological filler zeolite, the filler layer of another of the filling spaces near the fixed pipe is biological filler ceramsite, and the filler layer in the middle filling space is biological filler volcanic rock.
[0011] In some embodiments, the particle size of the biological filler zeolite is 80-100 mm, the particle size of the biological filler ceramsite is 50-60 mm, and the particle size of the biological filler volcanic rock is 60-80 mm.
[0012] In some embodiments, the square frame is welded from DN25 steel pipes.
[0013] In some embodiments, the inner diameter of the plurality of through holes on the mesh plate is 40-60 mm.
[0014] In some embodiments, the inner diameter of the multiple mesh holes on the grid plate is 40-50 mm.
[0015] In some embodiments, the fixed pipe is made of DN50 galvanized steel pipe.
[0016] Compared with the prior art, the utility model provides a water purification wetland structure combined with a hard revetment, which is connected to the hard revetment and at least two fixed pipes through the opposite sides of the box body, and at least three filling spaces are formed between the opposite sides of the box body. The bottom and the surrounding side of the box body are provided with a plurality of through holes which can be respectively connected with the three filling spaces, and the adjacent filling spaces are interconnected. The three filling spaces are respectively filled with different filling layers, and aquatic plants can be planted on the tops of the three filling spaces. The fillers and the aquatic plants grown on the filler layers are used to reduce and purify pollution, which overcomes the defect of poor ecological affinity of the hard revetment to a certain extent, and the pollution treatment efficiency is higher. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of a water purification wetland structure combined with a hard revetment provided by the utility model;
[0018] Figure 2 It is a schematic diagram of the structure of the aquatic plant and the non-woven bag of the utility model;
[0019] Figure 3 It is a structural schematic diagram of the box body of the utility model. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0021] See also Figures 1 to 3 The utility model provides a water purification wetland structure combined with a hard revetment. The water purification wetland structure is an interception and purification wetland structure of an artificial wetland, which creates the basic conditions required for ecological construction, forms a physical-chemical-biological composite purification effect with biological fillers, aquatic plants and microorganisms attached to the fillers, reduces and purifies pollutants entering the coast, and strengthens the ability to implement natural purification of regional water bodies. At the same time, the characteristics of the natural landscape of aquatic plants are utilized, and the overall structure is placed underwater, which provides convenience for creating a coastal ecological landscape, and combines the advantages of artificial wetland water purification function and ecological floating bed landscape improvement, which overcomes the defect of poor ecological affinity of hard revetments to a certain extent, and has higher treatment efficiency than existing interception process measures.
[0022] In this specific embodiment, a water purification wetland structure combined with a hard revetment includes a box body 1 arranged on one side of the hard revetment, and the top of the box body 1 is located below the river surface. It also includes at least two fixed pipes 2 fixed in the riverbed at intervals along the direction of the hard revetment A. The opposite sides of the box body 1 are respectively connected to the hard revetment A and the at least two fixed pipes 2. At least three filling spaces are formed between the opposite sides of the box body 1. The bottom and the surrounding side of the box body 1 are provided with a plurality of through holes that can be respectively connected to the three filling spaces, and adjacent two of the filling spaces are connected to each other. The three filling spaces are respectively filled with different filler layers 10, and aquatic plants B can be planted on the tops of the three filling spaces.
[0023] It should be noted that the water purification wetland structure of the hard revetment is suitable for different rivers and lakes, etc. As long as there is a hard revetment, the water purification wetland structure of the hard revetment can be installed according to actual needs, and no other limitations are made here.
[0024] In actual use, a hard revetment located on one side of a river channel is taken as an example to illustrate that the structure is set on a hard revetment with an inlet, and the box body 1 is 0.5m below the liquid level of the river water. One side of the box body 1 is fixed to the hard revetment by M8 expansion bolts and triangular steel, and the other side of the box body 1 is welded and fixed to two fixed pipes 2. The lower ends of the two fixed pipes 2 are inserted into the bottom of the riverbed at a depth of 1.5m, and the upper ends of the two fixed pipes 2 are exposed 0.5m above the liquid level, and aquatic plants can be planted in the filling space.
[0025] It should be noted that a water retaining dam is provided in the riverbed of the river water, so that the liquid level of the river water will not fluctuate too much, and the box body 1 can be controlled to be 0.5m below the liquid level of the river water.
[0026] In this specific embodiment, the box body 1 includes a square frame 11 formed by welding DN25 steel pipes, and a mesh plate 12 is fixed at the bottom and the surrounding side of the square frame 11. The mesh plate 12 is provided with a plurality of through holes. The mesh plate 12 is a metal mesh plate, and the inner diameter of the through holes on the mesh plate 12 is 40-60 mm, specifically, the inner diameter of the through holes on the mesh plate 12 is 40 mm. The fixed pipe 2 is made of a DN50 galvanized steel pipe.
[0027] Furthermore, two grid plates 13 are spaced apart in the box body 1, and the two grid plates 13 divide the box body 1 into three filling spaces, wherein the volume ratio of the filling space close to the hard revetment to the remaining two filling spaces is 2:1:1, and the inner diameter of the multiple mesh holes on the grid plate 13 is 40-50 mm, specifically, the inner diameter of the multiple mesh holes on the grid plate 13 is 40 mm.
[0028] In this specific embodiment, the filler layer 10 of one filling space near the hard revetment is biological filler zeolite, the filler layer 10 of another filling space near the fixed pipe 2 is biological filler ceramsite, and the filler layer 10 in the middle filling space is biological filler volcanic rock.
[0029] It should be noted that the particle size of the biological filler zeolite is 80-100mm, the particle size of the biological filler ceramsite is 50-60mm, and the particle size of the biological filler volcanic rock is 60-80mm. In this specific embodiment, the particle size of the biological filler zeolite is 80mm, the particle size of the biological filler ceramsite is 50mm, and the particle size of the biological filler volcanic rock is 60mm.
[0030] In one embodiment, aquatic plants can be planted on the top of the box 1, wherein the aquatic plants are emergent plants canna, evergreen iris and lily of the valley, with a planting ratio of 1:1:1 and a planting density of 9 plants / m 2 , 16 plants / m 2 , 18 plants / m 2 ; The plants are arranged according to their height, that is, the taller plants such as lilies are arranged in the middle, and the shorter plants such as cannas are arranged on the periphery, forming an evergreen and colorful landscape effect. The plants are planted in a non-woven bag C with an elastic band filled with soil to wrap the roots of aquatic plants B and bury them in the filler layer. As the plants grow, the plant roots can penetrate through the non-woven fabric into the filler layer to absorb and purify the pollutants in the wetland.
[0031] The beneficial effects are:
[0032] Compared with the prior art, the utility model provides a water purification wetland structure combined with a hard revetment, which is connected to the hard revetment and at least two fixed pipes through the opposite sides of the box body, and at least three filling spaces are formed between the opposite sides of the box body. The bottom and the surrounding side of the box body are provided with a plurality of through holes which can be respectively connected with the three filling spaces, and the adjacent filling spaces are interconnected. The three filling spaces are respectively filled with different filling layers, and aquatic plants can be planted on the tops of the three filling spaces. The fillers and the aquatic plants grown on the filler layers are used to reduce and purify pollution, which overcomes the defect of poor ecological affinity of the hard revetment to a certain extent, and the pollution treatment efficiency is higher.
[0033] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.
Claims
1. A water purification wetland structure combined with a hard revetment, comprising a box body arranged on one side of the hard revetment, wherein the top of the box body is located below the water surface, characterized in that: It also includes at least two fixed pipes fixed in the riverbed at intervals along the direction of the hard revetment, the opposite sides of the box body are respectively connected to the hard revetment and the at least two fixed pipes, at least three filling spaces are formed between the opposite sides of the box body, the bottom and the surrounding side of the box body are provided with a plurality of through holes respectively connected to the three filling spaces, and two adjacent filling spaces are connected to each other, the three filling spaces are respectively filled with different filler layers, and aquatic plants can be planted on the tops of the three filling spaces.
2. A water purification wetland structure combined with hard revetment according to claim 1, characterized in that: The box body comprises a square frame and a mesh plate fixed to the bottom and the surrounding side of the square frame, and a plurality of through holes are formed on the mesh plate.
3. The water purification wetland structure combined with hard revetment according to claim 2, characterized in that: Two grid plates are arranged in the box body at intervals, and the two grid plates divide the box body into three filling spaces.
4. The water purification wetland structure combined with hard revetment according to claim 3, characterized in that: The volume ratio of the filling space close to the hard revetment to the remaining two filling spaces is 2:1:
1.
5. The water purification wetland structure combined with hard revetment according to claim 4, characterized in that: The filler layer of one of the filling spaces close to the hard revetment is biological filler zeolite, the filler layer of another filling space close to the fixed pipe is biological filler ceramsite, and the filler layer in the middle filling space is biological filler volcanic rock.
6. The water purification wetland structure combined with hard revetment according to claim 5, characterized in that: The particle size of the biological filler zeolite is 80-100 mm, the particle size of the biological filler ceramsite is 50-60 mm, and the particle size of the biological filler volcanic rock is 60-80 mm.
7. The water purification wetland structure combined with hard revetment according to claim 2, characterized in that: The square frame is welded from DN25 steel pipes.
8. The water purification wetland structure combined with hard revetment according to claim 2, characterized in that: The inner diameters of the plurality of through holes on the mesh plate are in the range of 40-60 mm.
9. The water purification wetland structure combined with hard revetment according to claim 3, characterized in that: The inner diameters of the multiple mesh holes on the grid plate are 40-50 mm.
10. The water purification wetland structure combined with hard revetment according to claim 1, characterized in that: The fixed pipe is made of DN50 galvanized steel pipe.