CN220665064U - Ecological wetland purifying structure for shoal at river mouth of small river channel - Google Patents

Abstract

The application discloses ecological wetland purification structure of little river mouth shoal relates to wetland purification structure technical field. The application comprises the following steps: river course, both sides of river course all are constructed with the river bank, the river bank includes the gravel foundation pile that sets up towards river course estuary, be provided with the tree planting layer on the gravel foundation pile, the one end array that tree planting layer and river course estuary direction are opposite is provided with grass planting ditch; the flood discharging mechanism comprises a plurality of water inlet pipes inserted and arranged in the grass planting ditch, impurity removing filter plates are rotatably arranged at the tops of the water inlet pipes, a plurality of drainage pipes are horizontally and penetratingly arranged in the gravel foundation piles, and the bottoms of the water inlet pipes are communicated with the drainage pipes. This application is through setting up flood drainage mechanism on the river bank of river course both sides, and when flood comes temporarily, the estuary department of river course is blocked up, during the flood can overflow to the grass planting ditch on the river bank to utilize the inlet tube to discharge the flood of overflow through the drain pipe rapidly, in order to play the function that improves flood discharge efficiency.

Description

Ecological wetland purifying structure for shoal at river mouth of small river channel

Technical Field

The application relates to the technical field of wetland purification structures, in particular to a small river estuary shoal ecological wetland purification structure.

Background

The ecological restoration stage mainly restores an ecological system taking submerged plants as a dominant, and the main purification body of the water body is that plant purification is assisted with a spam filtering structure to filter the water body. However, in the ecological restoration process of single (section) river or partial sheet river network water of a middle and small river, if a flood phenomenon occurs, most sundries in flood can be blocked by submerged plants and a pocket net at the river mouth, so that a barrier is formed, the flood discharge efficiency is affected, and therefore the ecological wetland purification structure for the shoal at the river mouth of the small river is provided.

Disclosure of Invention

The purpose of the present application is: in order to solve the problems in the background technology, the application provides a small river estuary shoal ecological wetland purifying structure.

The application specifically adopts the following technical scheme for realizing the purposes:

a small river estuary shoal ecological wetland purifying structure, comprising:

river course, both sides of river course all are constructed with the river bank, the river bank includes the gravel foundation pile that sets up towards river course estuary, be provided with the tree planting layer on the gravel foundation pile, the one end array that tree planting layer and river course estuary direction are opposite is provided with grass planting ditch;

the flood discharging mechanism comprises a plurality of water inlet pipes inserted and arranged in the grass planting ditch, impurity removing filter plates are rotatably arranged at the tops of the water inlet pipes, a drainage pipe is horizontally arranged in the gravel foundation pile in a penetrating mode, and the bottoms of the water inlet pipes are communicated with the drainage pipe;

the secondary filter piece is arranged at one end of the drainage pipe facing the river mouth direction and is used for filtering and shunting water sources in the drainage pipe.

Further, the river channel comprises a river bed sediment layer, a gravel water seepage layer connected with the gravel foundation pile is laid on the river bed sediment layer, and a sediment water filtering layer is laid on the gravel water seepage layer.

Further, submerged plants are planted on the sediment water filtering layer, upright rods which sequentially penetrate through the gravel water filtering layer and the sediment water filtering layer are inserted in the riverbed sediment layer, and a pocket net hung on the upright rods is installed between the two tree planting layers.

Further, grass planting ditch includes the clay layer, the array construction has a plurality of circular recesses on the clay layer, the gravel wall has been laid on the inner wall of circular recess, the inlet tube is inserted respectively and is installed in a plurality of circular recesses.

Further, the inlet tube includes the standpipe, the standpipe bottom is constructed with the curved arc pipe of orientation secondary filter spare direction, the standpipe top is constructed with the toper water collection frame, the top height of toper water collection frame is greater than or equal to the upper surface of river bank.

Further, the impurity removal filter plate comprises a circular plate rotatably arranged at the opening of the top of the conical water collecting frame, a plurality of poking chute are formed in an array on the circumferential side of the circular plate, and water leakage meshes are formed in the top of the circular plate.

Further, the top of the circular plate is provided with a concave groove covering the water leakage mesh, and the circumferential array of the concave groove is provided with a plurality of centrifugal drainage grooves.

Further, the secondary filter piece comprises a net pipe fixedly connected to the end part of the drainage pipe, the net pipe is embedded and installed in the gravel foundation pile, and a nylon rope net is fixedly connected to the port of the net pipe.

The beneficial effects of this application are as follows:

1. this application is through setting up flood drainage mechanism on the river bank of river course both sides, and when flood comes temporarily, the estuary department of river course is blocked up, during the flood can overflow to the grass planting ditch on the river bank to utilize the inlet tube to discharge the flood of overflow through the drain pipe rapidly, in order to play the function that improves flood discharge efficiency.

2. This application can carry out a lot of filtration to the flood of overflow through setting up grass planting ditch, edulcoration filter plate and secondary filter, and then can also block debris in a part of flood when improving flood discharge efficiency, avoids causing too big pollution to the low reaches, improves the security.

Drawings

FIG. 1 is a perspective view of the present application;

FIG. 2 is a perspective view of a semi-cutaway view of the present application;

FIG. 3 is a semi-sectional view of yet another perspective structure of the present application;

reference numerals: 1. river course; 101. a riverbed deposition layer; 102. a gravel water seepage layer; 103. sediment filtering layers; 2. river banks; 201. gravel foundation piles; 202. planting a tree layer; 3. grass planting ditches; 301. a clay layer; 302. a circular groove; 303. gravel walls; 4. a flood discharge mechanism; 401. a water inlet pipe; 4011. a standpipe; 4012. an arc tube; 4013. a conical water collecting frame; 402. removing impurities and filtering plates; 4021. a circular plate; 4022. toggle the chute; 4023. water leakage mesh openings; 4024. a concave groove; 4025. centrifuging the drainage groove; 403. a drainage tube; 5. a secondary filter; 501. a network manager; 502. nylon rope net; 6. a vertical rod; 7. a pocket net.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

As shown in fig. 1-3, a small river estuary shoal ecological wetland purifying structure according to an embodiment of the present application includes:

river 1, both sides of river 1 are constructed with river bank 2, river 1 is the river mouth position of the small river section or some sheet areas in the river network water system of the existing plain, the both sides of river 1 are river bank 2 parts, as shown in figure 1, river bank 2 includes the gravel foundation pile 201 set up towards river 1 river mouth side, there is tree planting layer 202 on the gravel foundation pile 201, one end array of the direction of planting layer 202 opposite to river 1 river mouth is provided with grass planting ditch 3, compared with river mouth embankment of the existing pure earth, utilize gravel foundation pile 201 not merely can improve the steadiness that river bank 2 locates at river mouth part, on the other hand can also permeate the rivers on river bank 2 into river 1 rapidly in the excessive weather of rainwater, in order to reduce the risk that river bank 2 is eroded by the rivers, raise the security, plant the tree with the developed tree of rhizome such as willow on the tree planting layer 202, can adapt to comparatively moist environment, and can be in order to plant reed at the side, in order to increase the side of river mouth, further guarantee the stability of river mouth position of river mouth 2;

the flood discharging mechanism 4 comprises a plurality of water inlet pipes 401 inserted and installed in the grass planting ditch 3, the openings of the water inlet pipes 401 are upwards arranged, in a daily state, a water source only surges in the river channel 1 and does not enter the grass planting ditch 3, so that the water inlet pipes 401 are in a non-use state, in larger rainwater weather, if a small amount of the river channel 1 overflows onto the river bank 2, the grass planting ditch 3 receives water and adsorbs water, the water continuously permeates towards the gravel foundation pile 201, the water discharging requirement can still be met, the impurity removing filter plates 402 are rotatably installed at the tops of the water inlet pipes 401, the water outlet pipes 403 horizontally penetrate through the gravel foundation pile 201, the water outlet pipes 403 are arranged at the bottoms of the water inlet pipes 401, the water outlet pipes 403 are communicated with the water outlet pipes 403, when flood is in a storm, the river channel 1 can be rapidly blocked by accumulation of impurities, and then the water inlet pipes 401 can firstly enter the water inlet pipes 401, part of flood can be rapidly discharged through the water outlet pipes 403, and the flood discharging operation can still be carried out under the condition of 1 blocking, so that the functional performance and the device can be improved;

the secondary filter element 5 is arranged at one end of the drainage pipe 403 facing the river mouth direction of the river channel 1 and is used for filtering and shunting the water source in the drainage pipe 403, the impurity removal filter plate 402 is arranged on the water inlet pipe 401, so that massive impurities in flood can be blocked, and the impurities can be continuously guided to the grass planting ditch 3 in the rotating process, so that the opening of the water inlet pipe 401 is prevented from being blocked, the safety is improved, and the secondary filter element 5 at the port of the drainage pipe 403 can be used for partially filtering the flood to reduce the pollution of the flood to the downstream.

As shown in fig. 1, in some embodiments, the river channel 1 includes a river bed sediment layer 101, a gravel seepage layer 102 connected with a gravel foundation pile 201 is laid on the river bed sediment layer 101, a sediment water filtering layer 103 is laid on the gravel seepage layer 102, the river bed sediment layer 101 is the bottommost part of the river channel 1 and is generally composed of sediment, sediment and rock, the gravel seepage layer 102 is formed by laying gravel, more gaps are reserved between the sediment and the sediment, and water flows permeate the gravel sediment layer, and because the gravel foundation pile 201 is connected with the sediment water, when too much rainwater is accumulated on the river bank 2, the rainwater can quickly permeate into the inner wall of the river channel 1 through the gravel foundation pile 201, long-term erosion of the river bank 2 caused by water flow is avoided, the stability and safety of the river bank 2 are ensured, and various submerged plants are planted on the sediment water filtering layer 103, so that the water can be purified by utilizing the actions of absorbing pollutants and the physiological actions of the microbial community activation and assimilation of root system.

As shown in fig. 1-2, in some embodiments, the sediment layer 103 is planted with submerged plants, the vertical rods 6 penetrating through the gravel water seepage layer 102 and the sediment layer 103 in sequence are inserted into the river bed sediment layer 101, the pocket net 7 hung on the plurality of vertical rods 6 is installed between the two tree planting layers 202, and on one hand, the upstream pollutants can be intercepted by arranging the pocket net 7, and on the other hand, the adhesion growth of the submerged plants and the emergent aquatic plants on the sediment layer 103 is facilitated, and a favorable environment is provided for the sediment layer 103.

As shown in fig. 3, in some embodiments, the grass planting ditch 3 includes a soil layer 301, a plurality of circular grooves 302 are configured on the soil layer 301 in an array manner, gravel walls 303 are paved on the inner walls of the circular grooves 302, water inlet pipes 401 are respectively inserted and installed in the plurality of circular grooves 302, the gravel walls 303 can prevent pollutants and sundries from directly contacting the soil layer 301, normal growth of grass vegetation can be ensured, infiltration of water flow can be ensured, moisture is provided for the growth of the grass vegetation, when flood comes, sundries in the flood can be impacted into the circular grooves 302 temporarily, the gravel walls 303 can play a role of preventing the circular grooves 302 from excessively deforming, and root systems of the grass vegetation serve as second lines for further protecting the ground surface from being damaged, so that safety is improved.

As shown in fig. 3, in some embodiments, the water inlet pipe 401 includes a standpipe 4011, an arc pipe 4012 bent towards the direction of the secondary filter 5 is configured at the bottom of the standpipe 4011, the bottom end of the arc pipe 4012 is tangentially arranged with the side wall of the drain pipe 403, when water supply comes, water flows into the standpipe 4011, and is directly guided into the drain pipe 403 through the arc pipe 4012, so as to reduce vertical impact, ensure water flow speed, improve flood discharge efficiency, a conical water collecting frame 4013 is configured at the top of the standpipe 4011, the top height of the conical water collecting frame 4013 is greater than or equal to the upper surface of the river bank 2, and a water inlet hole is configured at the upper end edge of the conical water collecting frame 4013, so that when the impurity-entering filter plate 402 is blocked, water in the grass planting ditch 3 can be continuously injected into the water inlet pipe 401 by using the water inlet hole, and the fault tolerance of the device is increased.

As shown in fig. 2, in some embodiments, the impurity removing filter plate 402 includes a circular plate 4021 rotatably installed at an opening at the top of a conical water collecting frame 4013, a plurality of stirring chute 4022 are configured on a circumferential side array of the circular plate 4021, water leakage meshes 4023 are configured at the top of the circular plate 4021, and the circular plate 4021 can be driven to rotate on the conical water collecting frame 4013 by impacting the stirring chute 4022 on the circumferential side of the circular plate 4021 with water flow, so that on one hand, a water absorbing vortex can be formed in the water flow, and the water inlet speed is improved.

As shown in fig. 2, in some embodiments, a concave groove 4024 covering a water leakage mesh 4023 is formed at the top of a circular plate 4021, a plurality of centrifugal drainage grooves 4025 are formed in a circumferential array of the concave groove 4024, the concave groove 4024 is arranged to guide vortexes formed in water flow, and then the edges of the centrifugal drainage grooves 4025 are utilized to stir and block sundries, so that the sundries with higher density are thrown out towards the circumferential side of the circular plate 4021, shielding of the water leakage mesh 4023 by the sundries is avoided, and water inlet efficiency is ensured.

As shown in fig. 3, in some embodiments, the secondary filter 5 includes a mesh tube 501 fixedly connected to the end of the drainage tube 403, the mesh tube 501 is embedded in the gravel foundation pile 201, a nylon rope net 502 is fixedly connected to the end of the mesh tube 501, the opening size of the mesh tube 501 is smaller than that of the nylon rope net 502, and the opening size of the water leakage mesh 4023 is smaller than that of the nylon rope net 502, so as to increase the internal water pressure of the drainage tube 403, on one hand, part of water flow is extruded into the gravel foundation pile 201 through the mesh tube 501, filtered and discharged, and on the other hand, the nylon rope net 502 has a certain elasticity, so that the flood discharging efficiency can be ensured under the condition of strong water pressure.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. The utility model provides a little river course estuary shoal ecological wetland purification structure which characterized in that includes:

river course (1), both sides of river course (1) all are constructed with river bank (2), river bank (2) are including gravel foundation pile (201) towards river course (1) estuary side setting, be provided with tree planting layer (202) on gravel foundation pile (201), one end array that tree planting layer (202) and river course (1) estuary direction are opposite is provided with grass planting ditch (3);

the flood discharging mechanism (4) comprises a plurality of water inlet pipes (401) inserted and installed in the grass planting ditch (3), impurity removing filter plates (402) are rotatably installed at the tops of the water inlet pipes (401), a drainage pipe (403) is horizontally installed in the gravel foundation pile (201) in a penetrating mode, and the bottoms of the water inlet pipes (401) are communicated with the drainage pipe (403);

the secondary filter (5) is arranged at one end of the drainage pipe (403) facing the river mouth direction of the river channel (1) and is used for filtering and shunting the water source in the drainage pipe (403).

2. The ecological wetland purification structure for the shoal at the river mouth of the small river according to claim 1, wherein the river (1) comprises a riverbed sediment layer (101), a gravel water seepage layer (102) connected with a gravel foundation pile (201) is paved on the riverbed sediment layer (101), and a sediment water filtration layer (103) is paved on the gravel water seepage layer (102).

3. The ecological wetland purification structure for the shoal at the river mouth of the small river according to claim 2, wherein submerged plants are planted on the sediment water filtering layer (103), upright posts (6) penetrating through the gravel water filtering layer (102) and the sediment water filtering layer (103) in sequence are inserted in the river bed sediment layer (101), and a pocket net (7) hung on a plurality of upright posts (6) is installed between the two tree planting layers (202).

4. The ecological wetland purification structure for the shoal at the river mouth of the small river according to claim 1, wherein the grass planting ditch (3) comprises a soil layer (301), a plurality of circular grooves (302) are formed in an array on the soil layer (301), gravel walls (303) are paved on the inner walls of the circular grooves (302), and the water inlet pipes (401) are respectively inserted and installed in the circular grooves (302).

5. The ecological wetland purification structure for the shoal with the small river estuary according to claim 1, wherein the water inlet pipe (401) comprises a vertical pipe (4011), an arc-shaped pipe (4012) which is bent towards the direction of the secondary filter element (5) is formed at the bottom of the vertical pipe (4011), a conical water collecting frame (4013) is formed at the top of the vertical pipe (4011), and the top height of the conical water collecting frame (4013) is larger than or equal to the upper surface of the river bank (2).

6. The small river estuary shoal ecological wetland purification structure according to claim 5, wherein the impurity removal filter plate (402) comprises a circular plate (4021) rotatably installed at the top opening of the conical water collecting frame (4013), a plurality of stirring chute (4022) are configured on the circumferential side array of the circular plate (4021), and water leakage meshes (4023) are configured at the top of the circular plate (4021).

7. The ecological wetland purification structure for the shoal at the river mouth of the small river according to claim 6, wherein the top of the circular plate (4021) is provided with a concave groove (4024) covering a water leakage mesh (4023), and the circumferential array of the concave groove (4024) is provided with a plurality of centrifugal drainage grooves (4025).

8. The ecological wetland purification structure for the shoal at the river mouth of the small river according to claim 1, wherein the secondary filter (5) comprises a net pipe (501) fixedly connected to the end part of the drainage pipe (403), the net pipe (501) is embedded and installed in the gravel foundation pile (201), and a nylon rope net (502) is fixedly connected to the port of the net pipe (501).