CN213508274U

CN213508274U - Ecological permeable dam

Info

Publication number: CN213508274U
Application number: CN202021944679.7U
Authority: CN
Inventors: 汪毅
Original assignee: Beijing Huaqing Boya Environmental Engineering Co ltd
Current assignee: Beijing Huaqing Boya Environmental Engineering Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-06-22
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses an ecological permeable dam, purify the bed including base, sectional type dam body and plant, the sectional type dam body is including the main dam that permeates water and the inferior dam that permeates water, the plant purifies the bed and locates to permeate water between the main dam and the inferior dam that permeates water. The utility model relates to the technical field, in particular to a water purification device which can remove partial pollutants through the interception of an ecological cushion and a main dam permeable wall and the action of microorganisms and the like during the dry season, then remove the pollutants through plant purification, finally lead water to flow through an ecological floating bed and an ecological cushion to enter a back-end river channel, and achieve the purpose of purifying water quality; in the water-enriching period, the rising water level flows through the upper dam of the permeable main dam and then enters the plant purification bed, so that the hydraulic impact on the plants is reduced, and meanwhile, the shape is not just subjected to tensile stress due to the fact that the main dam body is pressure-resistant and not tensile-resistant, the stability of the permeable main dam is improved, the loss of filter materials can be prevented, and meanwhile, the ecological permeable dam of the plants can be protected.

Description

Ecological permeable dam

Technical Field

The utility model relates to a water environment restoration technical field specifically indicates ecological permeable dam.

Background

The river ecosystem is an ecosystem of river water, belongs to a river ecosystem, is a link between land and sea, and plays a main role in the material circulation of a biosphere. The river ecosystem comprises a series of subsystems including a land and river bank ecosystem, a water ecosystem, a related wetland and a marsh ecosystem, is a composite ecosystem, and has various functions of habitat function, filtering function, shielding function, channel function, source sink function and the like. With the improvement of economic level, the water environment is seriously damaged, especially the river environment, the water conservancy department once evaluates the quality of water resources of more than 700 rivers in the country and about 10 kilometers of river length, and the result is that: 46.5 percent of river growth is polluted, and the water quality only reaches four or five types; 10.6 percent of river length is seriously polluted, the water quality is in super five types, and the use value of the water body is lost; more than 90% of urban water areas are seriously polluted. Water pollution is developing from east to west, extending from tributaries to main flows, spreading from cities to rural areas, permeating from the surface to the ground, spreading from territories to watersheds. In the face of the current situation, a great deal of research work is developed in China, various ecological technologies are continuously developed, and plants and microbial habitats are utilized to purify polluted water. The ecological permeable dam is a method for purifying the river water body which is popular in recent years.

However, the traditional ecological permeable dam has the following problems that in the rich water period, water can overflow the top of the permeable dam by large impact force to the dam, plants on the top of the dam are washed away, purified vegetation is scattered and washed away, and the dam body is damaged.

SUMMERY OF THE UTILITY MODEL

In order to solve the existing problems, the utility model provides a water purifier which can remove partial pollutants through the interception of an ecological cushion and a main dam permeable wall and the action of microorganisms and the like during the dry season, then remove the pollutants through plant purification, finally lead water to flow through an ecological floating bed and an ecological cushion to enter a rear-section river channel, and achieve the purpose of purifying water quality; in the water-enriching period, the rising water level flows through the upper dam of the permeable main dam and then enters the plant purification bed, so that the hydraulic impact on the plants is reduced, and meanwhile, the shape is not just subjected to tensile stress due to the fact that the main dam body is pressure-resistant and not tensile-resistant, the stability of the permeable main dam is improved, the loss of filter materials can be prevented, and meanwhile, the ecological permeable dam of the plants can be protected.

The utility model adopts the following technical scheme: the utility model relates to an ecological permeable dam, including base, sectional type dam body and plant purification bed, the sectional type dam body is located on the base, the sectional type dam body includes main dam and the secondary dam that permeates water, main dam and the secondary dam that permeates water locate in proper order on the base, the plant purification bed is located between main dam and the secondary dam that permeates water, the main dam that permeates water is located near one side of rivers upper reaches, the main dam that permeates water is the main dam body that cross section is protruding to the upstream direction, and the arc department of main dam body is equipped with main dam permeable wall, evenly be equipped with the main dam groove in the main dam that permeates water, lower floor dam, upper dam and ecological pad are equipped with from bottom to top in proper order in the main dam groove, permeate water the secondary dam includes the secondary dam planting groove of evenly setting, the both ends of secondary dam planting groove are equipped with the secondary dam body that is trapezoidal setting respectively, the both sides in secondary dam groove are equipped with the secondary dam permeable wall, an ecological floating bed is arranged in the secondary dam planting groove.

Furthermore, a filter material layer is arranged at the bottom of the plant purification bed.

Furthermore, the bottom of the permeable secondary dam is provided with an impermeable layer.

Further, ecological pad includes double-deck gauze and locates the aquatic plant seed in the double-deck gauze.

Furthermore, the main dam groove and the secondary dam planting groove are evenly provided with guide grooves, and the guide grooves are arranged in an arc pipeline shape and are arched downwards.

Furthermore, gabions are arranged on two sides of the substrate, which are positioned on the water-permeable secondary dam.

Furthermore, plants are planted in the gabions.

Furthermore, stones are also contained in the gabion.

Furthermore, the height of the lower layer dam and the height of the secondary dam body are 10-30 cm higher than the upstream water line in the dry period, and the height of the upper layer dam is 10-15 cm higher than the upstream water line in the rich period.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: according to the ecological permeable dam, in a dry season, river water firstly passes through a lower dam of a permeable main dam, partial pollutants are removed through the interception of an ecological cushion and a permeable wall of the main dam and the action of microorganisms and the like, then the ecological permeable main dam enters a middle plant purification bed, the pollutants are removed through plant purification, finally water flows pass through a permeable secondary dam and enter a back-end river through an ecological floating bed and an ecological cushion, and the purpose of purifying water quality can be achieved in the process; in the water-enriching period, the water level rises, the rising water level flows through the upper dam of the main permeable dam and then enters the plant purification bed, the hydraulic impact on the plants is reduced, meanwhile, the cross section of the main permeable dam is in an arc shape protruding towards the upstream direction, the shape is just not in tension stress due to the fact that the main dam body is pressure-resistant and not tensile, the stability of the main permeable dam is improved, aquatic plants with strong purification effect on sewage are planted on the ecological floating bed, the ecological cushion is formed by clamping aquatic plant seeds by double-layer gauze, the filter material can be prevented from losing, and meanwhile, the plants can be protected.

Drawings

FIG. 1 is a schematic structural view of the ecological permeable dam of the present invention;

fig. 2 is a sectional view of the ecological permeable dam of the present invention.

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

The plant purification device comprises a base 1, a base 2, a sectional dam body 3, a plant purification bed 4, a permeable main dam 5, a permeable secondary dam 6, a main dam body 7, a permeable wall of the main dam 8, a main dam groove 9, a lower dam 10, an upper dam 11, an ecological cushion 12, a secondary dam planting groove 13, a secondary dam body 14, a permeable wall of the secondary dam 15, an ecological floating bed 16, a filter material layer 17, a diversion trench 18, a gabion 19 and an impermeable layer.

In fig. 2, a is the downstream water line, b is the upstream water line in the dry period, and c is the upstream water line in the rich period.

Detailed Description

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

As shown in fig. 1-2, the ecological permeable dam of the present invention comprises a base 1, a sectional dam 2 and a plant purification bed 3, wherein the sectional dam 2 is disposed on the base 1, the sectional dam 2 comprises a permeable main dam 4 and a permeable sub dam 5, the permeable main dam 4 and the permeable sub dam 5 are sequentially disposed on the base, the plant purification bed 3 is disposed between the permeable main dam 4 and the permeable sub dam 5, the permeable main dam 4 is disposed on a side close to the upstream of the water flow, the permeable main dam 4 is a main dam 6 having a cross section protruding in the upstream direction, the arc of the main dam 6 is provided with a main dam permeable wall 7, the permeable main dam 4 is uniformly provided with a main dam groove 8, the main dam groove 8 is sequentially provided with a lower dam 9, an upper dam 10 and an ecological cushion 11 from bottom to top, the permeable sub dam 5 comprises a uniformly disposed sub dam planting groove 12, both ends of the sub dam planting groove 12 are respectively provided with a sub dam 13 disposed in a trapezoidal shape, and secondary dam permeable walls 14 are arranged at two side ends of the secondary dam planting groove 12, and an ecological floating bed 15 is arranged in the secondary dam planting groove 12.

Wherein, a filter material layer 16 is arranged at the bottom of the plant purification bed 3; the bottom of the permeable secondary dam 5 is provided with an impermeable layer 19; the ecological pad 11 comprises double-layer gauze and aquatic plant seeds arranged in the double-layer gauze; flow guide grooves 17 are uniformly formed in the main dam groove 8 and the secondary dam planting grooves 12, and the flow guide grooves 17 are arranged in a downward arched arc pipeline shape; gabions 18 are arranged on two sides of the substrate, which are positioned on the water-permeable secondary dam 5; plants are planted in the gabion 18; the gabion 18 is also filled with stones.

When the ecological floating bed is used specifically, in a dry season, a river water body firstly passes through the lower-layer dam 9 of the permeable main dam 4, part of pollutants are removed through the interception of the ecological cushion 11 and the permeable wall 7 of the main dam and the action of microorganisms and the like, then the river water body enters the middle plant purification bed 3, the pollutants are removed through plant purification, finally, the water flow passes through the permeable secondary dam 5 and enters the river channel at the rear section through the ecological floating bed 15 and the ecological cushion 11, and the aim of purifying the water quality can be achieved in the process; in the water-enriching period, the water level rises, the rising water level flows through the upper dam 10 of the main permeable dam 4 and then enters the plant purification bed 3, the hydraulic impact on the plants is reduced, meanwhile, the cross section of the main permeable dam 4 is in an arc shape protruding towards the upstream direction, the shape is just not in tension stress due to the fact that the main dam body 6 is pressure-resistant and not tensile, the stability of the main permeable dam 4 is improved, aquatic plants with strong purification effect on sewage are planted on the ecological floating bed 15, the ecological pad 11 is made of double-layer gauze and clamping aquatic plant seeds, the filter material can be prevented from losing, and meanwhile, the plants can be protected.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. Ecological permeable dam, its characterized in that: comprises a base, a sectional type dam body and a plant purification bed, wherein the sectional type dam body is arranged on the base and comprises a water permeable main dam and a water permeable secondary dam, the main permeable dam and the secondary permeable dam are sequentially arranged on the substrate, the plant purification bed is arranged between the main permeable dam and the secondary permeable dam, the main permeable dam is arranged on one side close to the upstream of the water flow, the main permeable dam is a main dam body with a cross section protruding towards the upstream direction, and the arc-shaped part of the main dam body is provided with a main dam permeable wall, main dam grooves are uniformly arranged in the permeable main dam, a lower layer dam, an upper layer dam and an ecological cushion are sequentially arranged in the main dam groove from bottom to top, the permeable secondary dam comprises uniformly arranged secondary dam planting grooves, the two ends of the secondary dam planting groove are respectively provided with a secondary dam body in a trapezoidal arrangement, the two side ends of the secondary dam planting groove are provided with secondary dam permeable walls, and an ecological floating bed is arranged in the secondary dam planting groove.

2. The ecological permeable dam of claim 1, wherein: and a filter material layer is arranged at the bottom of the plant purification bed.

3. The ecological permeable dam of claim 1, wherein: and an impermeable layer is arranged at the bottom of the permeable secondary dam.

4. The ecological permeable dam of claim 1, wherein: the ecological pad comprises double-layer gauze and aquatic plant seeds arranged in the double-layer gauze.

5. The ecological permeable dam of claim 1, wherein: evenly be equipped with the guiding gutter on main dam groove and the secondary dam planting groove, the guiding gutter is the arc pipeline form setting of hunch-up downwards.

6. The ecological permeable dam of claim 1, wherein: and gabions are arranged on two sides of the substrate, which are positioned on the water-permeable secondary dam.

7. The ecological permeable dam of claim 6, wherein: plants are planted in the gabions.

8. The ecological permeable dam of claim 7, wherein: the stone cage is also filled with stones.

9. The ecological permeable dam of claim 1, wherein: the height of the lower layer dam and the height of the secondary dam body are 10-30 cm higher than the upstream water line in the dry period, and the height of the upper layer dam is 10-15 cm higher than the upstream water line in the rich period.