CN215756681U

CN215756681U - Composite ecological wetland for flowing water body

Info

Publication number: CN215756681U
Application number: CN202121833075.XU
Authority: CN
Inventors: 陈爱娇; 陈甜甜; 裴俊晖; 方超; 侯玉福
Original assignee: Shanghai Yushangshui Environmental Technology Co ltd
Current assignee: Shanghai Yushangshui Environmental Technology Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-02-08
Anticipated expiration: 2031-08-06

Abstract

A composite ecological wetland for a flowing water body comprises a flowing water body and a river bank, wherein the river bank is positioned on two sides of the flowing water body, floating wetlands are arranged on two sides above the flowing water body, the floating wetlands are fixedly connected with the bottom of the flowing water body through a Steckel anchor, a flow guide enclosure is arranged at the joint of the flowing water body and the river bank, the upper end of the flow guide enclosure is fixedly connected with the bottom of the floating wetland, and the lower end of the flow guide enclosure fixes the bottom of the flowing water body through a gabion; the bottom of the flowing water body is provided with a plurality of artificial waterweeds, the river bank is arranged in an inclined plane ladder structure, and emergent aquatic plants, floating leaf plants and submerged plants are planted on the surface of the river bank respectively. The utility model overcomes the defects of the prior art, and creates an environment suitable for drainage and ecological wetland construction by arranging the diversion enclosure, and has diversion effect on water body, thereby facilitating drainage in flood season. And the diversion enclosure is provided with the net bag for vertical greening under water, so that the planting area of submerged plants is increased, and the purification of water quality is facilitated.

Description

Composite ecological wetland for flowing water body

Technical Field

The utility model relates to the technical field of ecological wetlands, in particular to a composite ecological wetland for a flowing water body.

Background

In the field of ecological restoration of surface water, the construction technology of natural water ecosystem has become one of the ecological technical means, and is widely applied because of ecological environmental protection and landscape benefits. However, the application environment of the water ecosystem construction technology has certain limitation, and the water ecosystem construction technology is particularly applied to water bodies which are in fluidity all the year round. The flowing water body is mainly due to disturbance of bottom sediment, the sediment content of the water body is high, the transparency of the water body is low, the photosynthesis of submerged plants is not facilitated, the nutrient salt brought along by upstream water coming is high, and the stability of an ecological system is not facilitated. Rainfall is frequent in the south, the water turbidity duration is longer while the water flow of the flowing water body is increased, and the constructed ecological system is often damaged due to long-term low transparency. The existing water treatment equipment for water extraction in the prior art discharges water after being extracted into the equipment for treatment, and the equipment needs a power device and needs to put in drug flocculation and precipitation, so that the equipment is not environment-friendly enough. Some design multistage overflow weirs in the water body upper reaches are used for silt subsides, and the work load consumes greatly and silt subsides the effect also is not ideal.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the composite ecological wetland for the flowing water body, which overcomes the defects of the prior art, has reasonable design, creates an environment suitable for drainage and ecological wetland construction by arranging the diversion enclosure, has diversion effect on the water body, and is convenient for drainage in flood season. And the diversion enclosure is provided with the net bag for vertical greening under water, so that the planting area of submerged plants is increased, and the purification of water quality is facilitated.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a composite ecological wetland for a flowing water body comprises a flowing water body and river banks, wherein the river banks are positioned on two sides of the flowing water body, floating wetlands are arranged on two sides above the flowing water body, the floating wetlands are fixedly connected with the bottom of the flowing water body through a Stecke anchor, a flow guide enclosure is arranged at the joint of the flowing water body and the river banks, the upper end of the flow guide enclosure is fixedly connected with the bottom of the floating wetland, and the lower end of the flow guide enclosure is fixed at the bottom of the flowing water body through a gabion;

the artificial aquatic plants are arranged at the bottom of the flowing water body, the river bank is of an inclined plane step structure, and emergent aquatic plants, floating leaf plants and submerged plants are planted on the surface of the river bank respectively.

Preferably, the floating wetlands are provided with a plurality of floating wetlands, and two adjacent floating wetlands are connected and fixed through a rope.

Preferably, the floating wetland comprises a buoyancy layer, a floating particle layer is arranged above the buoyancy layer, an organic layer is arranged above the floating particle layer, a plant layer is laid on the upper surface of the organic layer, and a plurality of biological ropes are fixedly connected to the lower surface of the buoyancy layer.

Preferably, the floating particle layer comprises a frame, a stainless steel wire net and floating particles, the frame is fixedly installed on the upper surface of the buoyancy layer, the stainless steel wire net is wrapped on the surface of the frame, and the floating particles are wrapped by the anti-UV net and then filled in an inner cavity of the frame.

Preferably, the organic substance layer includes planting soil, straw mat and grid, the planting soil is laid above the floating particle layer, the grid is laid above the planting soil, and the root of the straw mat passes through the grid and is planted in the planting soil.

Preferably, the water conservancy diversion is enclosed to separate and is polyethylene reticular structure, just water conservancy diversion encloses and separates one side and is provided with the string bag, be provided with in the string bag and plant the area.

Preferably, the artificial aquatic weeds comprise an artificial aquatic weed group and a bottom gabion, the artificial aquatic weed group is connected with the bottom gabion, and the bottom gabion is positioned at the bottom of the flowing water body.

The utility model provides a composite ecological wetland for a flowing water body. The method has the following beneficial effects: through the arrangement of the diversion enclosure, an environment suitable for drainage and ecological wetland construction is created, a diversion effect is achieved on a water body, and drainage in a flood season is facilitated. The diversion enclosure is provided with the net bag for vertical greening under the planting water, so that the planting area of submerged plants is increased, and the purification of water quality is facilitated; an aquatic ecosystem is formed by constructing submerged plants, emergent aquatic plants, zooplankton and the like, the submerged plant planting area is favorable for aerobic microorganisms to hang membranes to purify water quality, the emergent floating-leaf plant planting area is favorable for inhabitation and reproduction of aquatic animals, water quality is stabilized, the purpose of purifying water is achieved, and the landscape effect is achieved.

Drawings

In order to more clearly illustrate the present invention or the prior art solutions, the drawings that are needed in the description of the prior art will be briefly described below.

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

FIG. 2 is a schematic cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is a schematic structural view of the floating wetland of the utility model;

the reference numbers in the figures illustrate:

1. a flowing body of water; 2. river banks; 3. floating the wetland; 4. a sbek anchor; 5. flow guiding enclosure; 6. artificial aquatic weeds; 7. emerging, leafy plants; 8. submerged plants; 31. a buoyancy layer; 32. floating the granular layer; 33. an organic material layer; 34. a plant layer; 35. a biological rope; 51. a net bag; 52. and (5) gabions.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings.

In the first embodiment, as shown in fig. 1-3, a composite ecological wetland for a flowing water body includes a flowing water body 1 and a river bank 2, the river bank 2 is located at two sides of the flowing water body 1, floating wetlands 3 are arranged at two sides above the flowing water body 1, the floating wetlands 3 are fixedly connected with the bottom of the flowing water body 1 through sbeck anchors 4, a diversion enclosure 5 is arranged at the junction of the flowing water body 1 and the river bank 2, the upper end of the diversion enclosure 5 is fixedly connected with the bottom of the floating wetland 3, and the lower end of the diversion enclosure 5 fixes the bottom of the flowing water body 1 through a gabion 52;

the bottom of the flowing water body 1 is provided with a plurality of artificial waterweeds 6, the river bank 2 is arranged in an inclined plane ladder structure, and the surface of the river bank 2 is planted with emergent aquatic plants, floating leaf plants 7 and submerged plants 8 respectively.

The working principle is as follows:

divide into the waters three region through setting up water conservancy diversion and enclose 5, the water conservancy diversion encloses and is the drainage area in the middle of 5, and this regional depth of water is generally darker, and during the rainfall in flood season, the water velocity of flow is great, and silt content is higher, but through the water conservancy diversion of water conservancy diversion and enclose 5 quick flood drainage. A floating wetland 3 and an artificial aquatic weed 6 are arranged in the area of the flowing water body 1 to construct a bionic wetland, and the floating wetland 3 is limited by a Stecke anchor 4 to float in the area of the flowing water body 1; on one hand, the flowing water route is prolonged, so that the sedimentation of silt is facilitated, and on the other hand, the method can also be used for the biofilm formation propagation of microorganisms, so that the water quality is purified;

the water environment in the river bank 2 area is relatively stable, the water in the flowing water body 1 and the water in the river bank 2 can be subjected to micro-exchange through the diversion barricade 5, the water environment in the area in the flood season is also slightly influenced by the flowing water, so that a natural water ecological wetland can be constructed, and an aquatic system can be formed by constructing submerged plants (evergreen low tape grass, bitter thorn, hydrilla verticillata, waterweed, potamogeton asparagus, potamogeton malabarica, arrowroot grass, peltate etc.), emergent floating leaf plants (drocalamus, aquatic manis, relish, siberian iris, copper coin grass, water lily, etc.), microorganisms, fish (silver carp, bighead carp, mandarin fish, pastry, wheat ear, etc.), benthonic animals (hyriopsis cumingii, river snail, cercospora crispa, etc.), zooplankton animals (cladocera, copepods, etc.), etc., the submerged plant planting area is favorable for aerobic biofilm purification, the emergent aquatic floating-leaf plant growing area is beneficial to inhabitation and reproduction of aquatic animals, achieves the purposes of stabilizing the water quality of the water body and purifying the water body, and has a landscape effect.

In the second embodiment, as shown in fig. 3, as a further scheme of the first embodiment, a plurality of floating wetlands 3 are arranged, and two adjacent floating wetlands 3 are connected and fixed through ropes. The floating wetland 3 comprises a floating layer 31, a floating particle layer 32 is arranged above the floating layer 31, an organic layer 33 is arranged above the floating particle layer 32, a plant layer 34 is laid on the upper surface of the organic layer 33, and a plurality of biological ropes 35 are fixedly connected to the lower surface of the floating layer 31.

The floating layer 31 provides the floating wetland 3 with required buoyancy, and the floating particle layer 32 decomposes the organic matters in the sewage into inorganic matters, which are absorbed and utilized by the root system of the plant in the plant layer 34. The plants in the plant layer 34 transmit oxygen to the root systems of the plants through photosynthesis, so that the dissolved oxygen content in the sewage is increased, and a living environment is provided for microorganisms in the sewage. The plant root system can also secrete flocculating agents, so that suspended matters in water are promoted to be removed, and the visibility of the water body is improved. The synergistic effect of the floating particle layer 32 and the plant layer 34 can continuously and efficiently remove organic matters and suspended matters in the sewage, thereby achieving the effect of purifying the water quality. And through setting up a plurality of biological ropes 35, the biological rope 35 stands the state and has lengthened the route of flowing water on the one hand, is favorable to the settlement of silt and large granule organic matter, also easily forms the state of oxygen deficiency under water on the one hand, is similar to the function in the oxygen deficiency pond among the sewage treatment, is convenient for the conversion of nutritive salt such as nitrogen.

In this embodiment, the floating particle layer 32 includes a frame, a stainless steel wire net and floating particles, the frame is fixedly mounted on the upper surface of the floating layer 31, the stainless steel wire net is wrapped on the surface of the frame, and the floating particles are wrapped by the anti-UV net and then filled in the inner cavity of the frame. The frame can be customized according to on-site actual conditions and landscape requirements, and specific requirements are met. The frame has strong wind and wave impact resistance, and the stainless steel wire meshes are arranged around the frame to further improve the wind and wave impact resistance of the floating wetland. The specific surface area of the floating particles with the microporous structure is large, a biological membrane is easily formed on the floating particles by microorganisms, and the biological membrane can efficiently decompose organic matters, nitrogen and phosphorus in water, so that the effect of purifying water quality is achieved. In addition, the floating particles are filled in the inner cavity of the angle steel frame after being wrapped by the anti-UV net, and the anti-UV net can effectively resist the irradiation of ultraviolet rays in sunlight, so that the aging progress of the floating particles is slowed down, and the service life of the floating wetland 3 is prolonged.

In the present embodiment, the organic material layer 33 includes planting soil laid above the floating particle layer 32, a straw mat laid above the planting soil, and a grid through which the root of the straw mat passes and is planted in the planting soil. The planting soil is used for providing initial-stage nutrients for the growth of plants, and the effects of fixing soil and preventing the planting soil from leaking into the floating granular layer 3 are achieved through the straw mats and the grids.

Third embodiment, as the further scheme of first embodiment, water conservancy diversion enclosure 5 is polyethylene reticular structure, has the effect of permeating water a little, both can play the effect of separating the waters and can play the water conservancy diversion again, owing to possess better pulling force, 5 one sides of water conservancy diversion enclosure are provided with string bag 51, are provided with the area of planting in the string bag 51. So as to form underwater vertical greening, thereby increasing the planting area of submerged plants.

In a fourth embodiment, as a further scheme of the first embodiment, the artificial aquatic weeds 6 comprise an artificial aquatic weed group and a bottom gabion, the artificial aquatic weed group is connected with the bottom gabion, and the bottom gabion is positioned at the bottom of the flowing water body 1. In this embodiment, the height of the artificial aquatic weed 6 is about 1-2m, which can be adjusted according to the water depth, the bottom is fixed at the bottom of the water through a bottom gabion with the diameter of 100mm, the width can be adjusted according to the requirement, the installation distance is about 1-1.5m, the upper end is in a natural floating state, the aquatic weed can still be in a floating state after being filmed, and the membrane is naturally filmed under the flowing of water and photosynthesis, so that the repairing and purifying effects are achieved. The artificial aquatic weed 6 has high efficiency, hydrophilicity and microbe affinity, high specific surface area, easy attachment of microbe, fast filming, saving in debugging time and cost. The three-dimensional net structure enables microorganisms on the surface and organic matters in water to carry out efficient mass transfer.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a compound ecological wetland for mobile water, includes mobile water (1) and river bank (2), river bank (2) are located mobile water (1) both sides, its characterized in that: floating wetlands (3) are arranged on two sides above the flowing water body (1), the floating wetlands (3) are fixedly connected with the bottom of the flowing water body (1) through a Stecke anchor (4), a diversion enclosure (5) is arranged at the joint of the flowing water body (1) and a river bank (2), the upper end of the diversion enclosure (5) is fixedly connected to the bottom of the floating wetland (3), and the lower end of the diversion enclosure (5) is fixed to the bottom of the flowing water body (1) through a gabion (52);

the artificial aquatic plants are arranged at the bottom of the flowing water body (1), the river bank (2) is of an inclined plane ladder structure, and emergent aquatic plants, floating leaf plants (7) and submerged plants (8) are planted on the surface of the river bank (2) respectively.

2. The composite ecological wetland for a flowing water body according to claim 1, which is characterized in that: the floating wetlands (3) are provided with a plurality of floating wetlands, and the adjacent two floating wetlands (3) are connected and fixed through a rope.

3. The composite ecological wetland for a flowing water body according to claim 2, which is characterized in that: the floating wetland (3) comprises a floating layer (31), a floating particle layer (32) is arranged above the floating layer (31), an organic layer (33) is arranged above the floating particle layer (32), a plant layer (34) is paved on the upper surface of the organic layer (33), and a plurality of biological ropes (35) are fixedly connected to the lower surface of the floating layer (31).

4. The composite ecological wetland for a flowing water body according to claim 3, which is characterized in that: the floating particle layer (32) comprises a frame, a stainless steel wire net and floating particles, the frame is fixedly installed on the upper surface of the floating layer (31), the stainless steel wire net is wrapped on the surface of the frame, and the floating particles are filled in an inner cavity of the frame after being wrapped by the anti-UV net.

5. The composite ecological wetland for a flowing water body according to claim 3, which is characterized in that: organic matter layer (33) are including planting soil, straw mat and grid, planting soil is laid and is floated granular layer (32) top, the grid has been laid to planting soil top, the root of straw mat passes the grid and plants in planting soil.

6. The composite ecological wetland for a flowing water body according to claim 1, which is characterized in that: the water conservancy diversion is enclosed and is separated (5) for the polyethylene network structure, just water conservancy diversion encloses and is separated (5) one side and is provided with string bag (51), be provided with in string bag (51) and plant the area.

7. The composite ecological wetland for a flowing water body according to claim 1, which is characterized in that: artifical pasture and water (6) include artifical pasture and water crowd and bottom gabion, artifical pasture and water crowd is connected with the bottom gabion, the bottom gabion is located flowing water (1) bottom.