CN215049394U - Riverway landscape water ecological restoration structure - Google Patents

Riverway landscape water ecological restoration structure Download PDF

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Publication number
CN215049394U
CN215049394U CN202121153489.8U CN202121153489U CN215049394U CN 215049394 U CN215049394 U CN 215049394U CN 202121153489 U CN202121153489 U CN 202121153489U CN 215049394 U CN215049394 U CN 215049394U
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grid
worm
supporting
artificial island
frame
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CN202121153489.8U
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张玉良
韩雪飞
于占辉
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Northeast Electric Power Design Institute of China Power Engineering Consulting Group
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Northeast Electric Power Design Institute of China Power Engineering Consulting Group
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Abstract

The utility model provides a riverway landscape water ecological remediation structure, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, high durability and convenient operation, debris interception grid arranged at S-shaped artificial river bank side, can intercept some strips of suspension in the water effectively, debris such as netted, the river is when S-shaped artificial river flows through, the disturbance increase of water, the debris that are favorable to the water bottom come-up under the effect of disturbance, the debris interception grid of being convenient for is with its interception, arrange artificial island aeration equipment in the river course, the device utilizes the flow of water as the power supply, the speed reducer of its inside setting has the effect of speed reduction and amplification moment of torsion, air compressor fills fresh air into the water through a plurality of apertures, make oxygen in the air dissolve to the aquatic, improve water quality.

Description

Riverway landscape water ecological restoration structure
Technical Field
The utility model relates to an aquatic ecological remediation technical field specifically is a riverway landscape water ecological remediation structure.
Background
In the related field of water ecological restoration, urban riverways discharge garbage due to frequent daily activities of people, so that the ecology of a riverway water body is damaged, some domestic sewage contains a large amount of nutrient substances such as nitrogen, phosphorus and the like, and the nutrient substances enter the riverways and rivers and lakes in large quantity, so that the eutrophication of the riverway water body is caused, floating algae are propagated in large quantity, the oxygen content in the water body is quickly consumed, the black and odorous water phenomenon can also occur in the water body for a long time, the black and odorous water is the excessive discharge of external organic pollution, and the extreme phenomenon caused by the continuous release of endogenous pollution is caused by the oxygen deficiency of the water body and the putrefaction of organic matters. The physical and chemical environment of the ecological floating bed is expressed as strong reducing property, the organic and inorganic pollution is extremely serious, the water body has peculiar smell and is not suitable for the survival of aquatic organisms, the aquatic vegetation is degraded and even died, and the phytoplankton, the zooplankton and the benthonic animal only have a small amount of pollution-resistant seeds.
There are some impurities suspended in the water in the urban rivers, which will affect the survival of animals and plants in the water, and if they are piled up, they will cause blockage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a riverway landscape water ecological remediation structure to the situation that has suspension debris in river course water oxygen deficiency and the aquatic, designs corresponding structure and solves these problems.
In order to achieve the purpose, the utility model provides a riverway landscape water ecological restoration structure, which comprises an artificial riverway, a sundry interception grid arranged in the artificial riverway and an artificial island aeration device arranged in the artificial riverway;
the sundry intercepting grid comprises a support base, a grid supporting column fixedly arranged at the top of the support base and a grid mounting frame which is arranged outside the grid supporting column and can rotate around the axis of the grid supporting column;
a rotary support ring is fixedly arranged at the position, close to the bottom end, of the outer side of the grid support column, a rotary matching groove is formed in the top end of the rotary support ring, and a grid rotary support ring is arranged in the rotary matching groove in a rotary matching manner;
the grid installation frame is close to the bottom end of the grid support column and is fixedly connected with the top end of the grid rotation support ring, two sides of the grid installation frame are respectively provided with a C-shaped restraining groove, openings of the two C-shaped restraining grooves are opposite, a grid frame is arranged between the two C-shaped restraining grooves, two side edges of the grid frame are respectively in sliding fit with the two C-shaped restraining grooves, a plurality of sundry blocking rods are fixedly arranged between the upper frame and the lower frame of the grid frame, and a plurality of blocking barbs are fixedly arranged on the sundry blocking rods;
the grid mounting frame is close to the top end of the grid support column and is connected with a gear mechanism at the top end of the grid support column through a grid mounting frame connecting rod.
The artificial island aeration device comprises an artificial island supporting base, wherein an artificial island cylinder with an upward opening is arranged at the top of the artificial island supporting base, and a supporting partition plate is arranged in the artificial island cylinder;
a propeller shaft matching hole is formed in the inner wall of the artificial island cylinder and located above the supporting partition plate, a propeller shaft is arranged in the propeller shaft matching hole in a rotating matching mode, one end, extending out of the outer side of the artificial island cylinder, of the propeller shaft is fixedly connected with a propeller, the upper end of the supporting partition plate is fixedly connected with a speed reducer and an air compressor respectively, the other end, located in the artificial island body, of the propeller shaft is fixedly connected with an input shaft of the speed reducer, and an output shaft of the speed reducer is fixedly connected with an input shaft of the air compressor;
the top end of the artificial island column body is fixedly connected with a flower and plant planting frame with an upward opening, the bottom of the flower and plant planting frame is provided with a ventilation pipe connecting hole which is communicated up and down, a ventilation pipe which extends up and down is arranged in the ventilation pipe connecting hole, the lower end of the ventilation pipe is communicated with an air inlet of the air compressor, the upper end of the ventilation pipe is fixedly provided with an air filter valve, and the top end of the air filter valve is fixedly provided with a bowl-shaped filter end cover with a downward opening;
the artificial island is characterized in that the supporting partition plate is provided with an air conveying pipe through hole which is communicated up and down, an air conveying pipe is arranged in the air conveying pipe through hole, one end of the air conveying pipe is communicated with an air outlet of the air compressor, a circle of annular air conveying pipe is fixedly connected to the position, close to the bottom end, of the inner wall of the artificial island cylinder, the annular air conveying pipe is communicated with the other end of the air conveying pipe, a plurality of small ventilation pipes extending upwards are arranged on the annular air conveying pipe, the lower ends of the small ventilation pipes are communicated with the inside of the annular air conveying pipe, the upper ends of the small ventilation pipes are sealed, a plurality of one-way ventilation nozzles are arranged on the small ventilation pipes, and the one-way ventilation nozzles are communicated with the outside of the artificial island cylinder.
Preferably, the gear mechanism comprises a worm wheel support shaft which is fixedly arranged at the top end of the grid support column and vertically extends, a worm wheel is arranged on the worm wheel support shaft in a rotating fit manner, two worm support bodies are arranged at positions, close to the top end, of the side surface of the grid support column, worm shaft matching holes are formed in the worm support bodies, a worm is arranged between the two worm support bodies, worm support shafts are fixedly arranged at two ends of the worm, the two worm support shafts are respectively and rotatably matched in the two worm shaft matching holes, the worm is in meshed connection with the worm wheel, a rocker matching block is fixedly arranged at one end of each worm support shaft, and the cross section of each rocker matching block is square; and the grid mounting frame connecting rod is fixedly connected with the top of the worm wheel.
The cross section of the artificial island column is in a streamline shape.
Preferably, the rocker cooperation block is used in a matched mode and provided with a Z-shaped rocker, one end of the Z-shaped rocker is fixedly provided with a rotation cooperation block, the side face of the rotation cooperation block is provided with a groove with a square cross section, and the cross section of the groove is the same as that of the rocker cooperation block.
Preferably, two ends of the upper frame of the grid frame are respectively and fixedly provided with a limiting block, and the upper frame of the grid frame is fixedly provided with an annular lifting lug.
Preferably, a sealing ring is fixedly arranged on the inner wall of the artificial island column at the matching hole of the propeller shaft, and the propeller shaft penetrates through the sealing ring.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, high durability and convenient operation, debris interception grid arranged at S-shaped artificial river bank side, can intercept some strips of suspension in the water effectively, debris such as netted, the river is when S-shaped artificial river flows through, the disturbance increase of water, the debris that are favorable to the water bottom come-up under the effect of disturbance, the debris interception grid of being convenient for is with its interception, arrange artificial island aeration equipment in the river course, the device utilizes the flow of water as the power supply, the speed reducer of its inside setting has the effect of speed reduction and amplification moment of torsion, air compressor fills fresh air into the water through a plurality of apertures, make oxygen in the air dissolve to the aquatic, improve water quality.
Drawings
FIG. 1 is a front view of the debris catching grid of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a front view of the Z-shaped rocker of the present invention;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a front view of the artificial island aeration apparatus of the present invention;
FIG. 6 is a cross-sectional view A-A of FIG. 5;
FIG. 7 is a cross-sectional view B-B of FIG. 5;
fig. 8 is an overview of the arrangement of the debris intercepting grid in the river;
fig. 9 is an overview of the arrangement of the artificial island aeration device in the river.
In the figure, 1-artificial river channel, 2-sundry intercepting grid, 3-supporting base, 4-grid supporting column, 5-rotating supporting ring, 6-rotating matching groove, 7-worm supporting body, 8-worm shaft matching hole, 9-worm wheel supporting shaft, 10-worm wheel, 11-worm, 12-worm supporting shaft, 13-rocker matching block, 14-Z-shaped rocker, 15-rotating matching block, 16-groove, 17-grid mounting frame, 18-C-shaped restraining groove, 19-grid rotating supporting ring, 20-grid mounting frame connecting rod, 21-grid frame, 22-sundry intercepting rod, 23-intercepting barb, 24-limiting block, 25-lifting lug, 26-artificial island supporting base, 27-artificial island aeration device, water-jet aerator, water-jet, water-jet, and water-jet, 28-artificial island column, 29-propeller shaft matching hole, 30-supporting partition plate, 31-air conveying pipe through hole, 32-speed reducer, 33-air compressor, 34-air pipe, 35-air filter valve, 36-filter end cover, 37-air conveying pipe, 38-propeller shaft, 39-propeller, 40-sealing ring, 41-annular air conveying pipe, 42-small ventilation pipe, 43-one-way ventilation nozzle, 44-flower and grass planting frame and 45-ventilation pipe connecting hole.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 9, and for convenience of description, the following orientations will be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Example (b):
a riverway landscape water ecological restoration structure, as shown in fig. 8 and 9, comprising an artificial riverway 1, a debris intercepting grid 2 arranged in the artificial riverway 1, and an artificial island aeration device 27 arranged in the artificial riverway 1, as shown in fig. 1 and 2, the debris intercepting grid 2 comprises a support base 3, a grid support post 4 fixedly arranged at the top of the support base 3, and a grid installation frame 17 arranged at the outer side of the grid support post 4 and capable of rotating around the axis thereof, wherein a rotary support ring 5 is fixedly arranged at the outer side of the grid support post 4 near the bottom end, a rotary matching groove 6 is arranged at the top end of the rotary support ring 5, and a grid rotary support ring 19 is rotatably matched in the rotary matching groove 6;
a vertically extending worm wheel supporting shaft 9 is fixedly arranged at the top end of the grid supporting column 4, a worm wheel 10 is arranged on the worm wheel supporting shaft 9 in a rotating fit manner, two worm supporting bodies 7 are arranged at positions, close to the top end, of the side surface of the grid supporting column 4, worm shaft matching holes 8 are formed in the worm supporting bodies 7, a worm 11 is arranged between the two worm supporting bodies 7, worm supporting shafts 12 are fixedly arranged at two ends of the worm 11, the two worm supporting shafts 12 are respectively matched in the two worm shaft matching holes 8 in a rotating manner, the worm 11 is connected with the worm wheel 10 in a meshing manner, a rocker matching block 13 is fixedly arranged at one end of each worm supporting shaft 12, and the cross section of each rocker matching block 13 is square;
as shown in fig. 3 and 4, a zigzag rocker 14 is used in cooperation with the rocker cooperation block 13, a rotation cooperation block 15 is fixedly arranged at one end of the zigzag rocker 14, a groove 16 with a square cross section is formed in the side surface of the rotation cooperation block 15, and the cross section of the groove 16 is the same as that of the rocker cooperation block 13.
A grid mounting frame connecting rod 20 is fixedly connected to the top of the worm wheel 10, and the other end of the grid mounting frame connecting rod 20 is fixedly connected with the upper end of the grid mounting frame 17;
the axis of the side edge of the grid mounting frame 17 is parallel to the axis direction of the grid supporting column 4, and the axis of the upper line edge of the grid mounting frame 17 is intersected with and perpendicular to the axis of the grid supporting column 4.
The bottom end of the grid mounting frame 17 is fixedly connected with the top end of the grid rotating support ring 19, two sides of the grid mounting frame 17 are respectively provided with a C-shaped restraining groove 18, openings of the two C-shaped restraining grooves 18 are opposite, a grid frame 21 is arranged between the two C-shaped restraining grooves 18, two side edges of the grid frame 21 are respectively in sliding fit with the two C-shaped restraining grooves 18, a plurality of sundry blocking rods 22 are fixedly arranged between the upper frame and the lower frame of the grid frame 21, and a plurality of blocking barbs 23 are fixedly arranged on the sundry blocking rods 22;
two ends of the upper frame of the grid frame 21 are respectively and fixedly provided with a limiting block 24, and the upper frame of the grid frame 21 is fixedly provided with an annular lifting lug 25.
As shown in fig. 5, the artificial island aeration device 27 comprises an artificial island support base 26, and an artificial island column 28 with an upward opening is arranged at the top of the artificial island support base 26;
as shown in fig. 6 and 7, the cross section of the artificial island column 28 is streamline, and a supporting partition plate 30 is arranged in the artificial island column 28;
a propeller shaft matching hole 29 is formed in the inner wall of the artificial island column 28 and located above the supporting partition plate 30, a propeller shaft 38 is arranged in the propeller shaft matching hole 29 in a rotating matching mode, a propeller 39 is fixedly connected to one end, extending out of the outer side of the artificial island column 28, of the propeller shaft 38, a speed reducer 32 is fixedly connected to the upper end of the supporting partition plate 30, an air compressor 33 is fixedly connected to the upper end of the supporting partition plate 30, the other end of the propeller shaft 38 is fixedly connected with an input shaft of the speed reducer 32, and an output shaft of the speed reducer 32 is fixedly connected with the input shaft of the air compressor 33;
a sealing ring 40 is fixedly arranged on the inner wall of the artificial island column 28 at the position of the propeller shaft matching hole 29, and the propeller shaft 38 penetrates through the sealing ring 40.
The top end of the artificial island column 28 is fixedly connected with a flower and plant planting frame 44 with an upward opening, the bottom of the flower and plant planting frame 44 is provided with an air pipe connecting hole 45 which is communicated up and down, an air pipe 34 which extends up and down is arranged in the air pipe connecting hole 45, the lower end of the air pipe 34 is communicated with an air inlet of the air compressor 33, the upper end of the air pipe 34 is fixedly provided with an air filter valve 35, and the top end of the air filter valve 35 is fixedly provided with a bowl-shaped filter end cover 36 with a downward opening;
the supporting partition plate 30 is provided with an air conveying pipe through hole 31 which is vertically communicated, an air conveying pipe 37 is arranged in the air conveying pipe through hole 31, one end of the air conveying pipe 37 is communicated with an air outlet of the air compressor 33, a circle of annular air conveying pipe 41 is fixedly connected to the inner wall of the artificial island column 28 near the bottom end, the annular air conveying pipe 41 is communicated with the other end of the air conveying pipe 37, a plurality of small ventilation pipes 42 which extend upwards are arranged on the annular air conveying pipe 41, the lower end of each small ventilation pipe 42 is communicated with the inside of the annular air conveying pipe 41, the upper end of each small ventilation pipe 42 is sealed, a plurality of one-way ventilation nozzles 43 are arranged on each small ventilation pipe 42, and the one-way ventilation nozzles 43 are communicated with the outside of the artificial island column 28.
In the practical application process of the utility model, the built S-shaped artificial river channel 1, the sundries intercepting grids 2 are alternately arranged at the two sides of the artificial river channel 1 at a certain distance, the grooves 16 of the rotating matching blocks 15 on the Z-shaped rocker 14 are matched and connected with the rocker matching blocks 13, the Z-shaped rocker 14 is manually rotated to drive the worm support shaft 12 to rotate, the worm support shaft 12 drives the worm 11 to rotate, the worm 11 drives the worm wheel 10 to rotate, the worm wheel 10 drives the grid mounting frame 17 to rotate through the grid mounting frame connecting rod 20, the grid frame 21 is constrained on the grid mounting frame 17 to move along with the worm support shaft 12, the Z-shaped rocker 14 is manually rotated to finally adjust the position of the grid mounting frame 17, so that the included angle between the plane and the water flow direction is 30-60 degrees, as the water flows through the lattice frame 21, some of the band-like, net-like, etc. impurities in the water will be caught by the catching barbs 23.
When the grid frame 21 needs to be cleaned, the position of the grid mounting frame 17 is adjusted to be close to the shore, and then the grid frame 21 is taken out of the grid mounting frame 17 for cleaning.
The propeller 651 in the artificial island aeration device 27 is completely immersed in water, the propeller 651 is driven to rotate by the flow of river water, the propeller 39 drives the input shaft of the speed reducer 32 to rotate through the propeller shaft 38, the input shaft of the speed reducer 32 drives the output shaft thereof to rotate, the output shaft of the speed reducer 32 drives the input shaft of the air compressor 33 to rotate, the air compressor 33 starts to work to suck air through the air pipe 34 and then convey the air into the annular air conveying pipe 41 through the air conveying pipe 37, the air in the annular air conveying pipe 41 then enters the small air pipes 42, and the air in the small air pipes 42 finally enters the water body in the river channel through the one-way air nozzles 43, so that the oxygen dissolving amount in the water body in the river channel is increased.
Some flowers and plants can be placed in the flower and plant planting frame 44, so that the ornamental value is increased.
Description of the drawings: the worm wheel 10 and the worm 11 are selected for transmission, because the worm wheel 10 and the worm 11 have self-locking performance, the worm wheel 10 can only be driven by the worm 11, and the worm wheel 10 cannot drive the worm 11; prevention of description: the Z-shaped rocking bar 26 is independently provided to prevent a person other than a professional from operating the sundry blocking grid 2.
Description of the drawings: the stopper 24 is to restrict the position where the grid frame 21 is mounted in the grid mounting frame 17.
Description of the drawings: the sealing ring 40 is to prevent water from entering the inside of the artificial island column.

Claims (6)

1. The utility model provides a riverway landscape water ecological remediation structure which characterized in that: comprises an artificial river channel, a sundry interception grid arranged in the artificial river channel and an artificial island aeration device arranged in the artificial river channel;
the sundry intercepting grid comprises a support base, a grid supporting column fixedly arranged at the top of the support base and a grid mounting frame which is arranged outside the grid supporting column and can rotate around the axis of the grid supporting column;
a rotary support ring is fixedly arranged at the position, close to the bottom end, of the outer side of the grid support column, a rotary matching groove is formed in the top end of the rotary support ring, and a grid rotary support ring is arranged in the rotary matching groove in a rotary matching manner;
the grid installation frame is close to the bottom end of the grid support column and is fixedly connected with the top end of the grid rotation support ring, two sides of the grid installation frame are respectively provided with a C-shaped restraining groove, openings of the two C-shaped restraining grooves are opposite, a grid frame is arranged between the two C-shaped restraining grooves, two side edges of the grid frame are respectively in sliding fit with the two C-shaped restraining grooves, a plurality of sundry blocking rods are fixedly arranged between the upper frame and the lower frame of the grid frame, and a plurality of blocking barbs are fixedly arranged on the sundry blocking rods;
the grid mounting frame is close to the top end of the grid support column and is connected with a gear mechanism at the top end of the grid support column through a grid mounting frame connecting rod;
the artificial island aeration device comprises an artificial island supporting base, wherein an artificial island cylinder with an upward opening is arranged at the top of the artificial island supporting base, and a supporting partition plate is arranged in the artificial island cylinder;
a propeller shaft matching hole is formed in the inner wall of the artificial island cylinder and located above the supporting partition plate, a propeller shaft is arranged in the propeller shaft matching hole in a rotating matching mode, one end, extending out of the outer side of the artificial island cylinder, of the propeller shaft is fixedly connected with a propeller, the upper end of the supporting partition plate is fixedly connected with a speed reducer and an air compressor respectively, the other end, located in the artificial island body, of the propeller shaft is fixedly connected with an input shaft of the speed reducer, and an output shaft of the speed reducer is fixedly connected with an input shaft of the air compressor;
the top end of the artificial island column body is fixedly connected with a flower and plant planting frame with an upward opening, the bottom of the flower and plant planting frame is provided with a ventilation pipe connecting hole which is communicated up and down, a ventilation pipe which extends up and down is arranged in the ventilation pipe connecting hole, the lower end of the ventilation pipe is communicated with an air inlet of the air compressor, the upper end of the ventilation pipe is fixedly provided with an air filter valve, and the top end of the air filter valve is fixedly provided with a bowl-shaped filter end cover with a downward opening;
the artificial island is characterized in that the supporting partition plate is provided with an air conveying pipe through hole which is communicated up and down, an air conveying pipe is arranged in the air conveying pipe through hole, one end of the air conveying pipe is communicated with an air outlet of the air compressor, a circle of annular air conveying pipe is fixedly connected to the position, close to the bottom end, of the inner wall of the artificial island cylinder, the annular air conveying pipe is communicated with the other end of the air conveying pipe, a plurality of small ventilation pipes extending upwards are arranged on the annular air conveying pipe, the lower ends of the small ventilation pipes are communicated with the inside of the annular air conveying pipe, the upper ends of the small ventilation pipes are sealed, a plurality of one-way ventilation nozzles are arranged on the small ventilation pipes, and the one-way ventilation nozzles are communicated with the outside of the artificial island cylinder.
2. The riverway landscape water ecological restoration structure of claim 1, wherein: the gear mechanism comprises a worm wheel supporting shaft which is fixedly arranged at the top end of the grid supporting column and vertically extends, a worm wheel is arranged on the worm wheel supporting shaft in a rotating fit manner, two worm supporting bodies are arranged at the positions, close to the top end, of the side surface of the grid supporting column, worm shaft matching holes are formed in the worm supporting bodies, a worm is arranged between the two worm supporting bodies, worm supporting shafts are fixedly arranged at the two ends of the worm, the two worm supporting shafts are respectively and rotatably matched in the two worm shaft matching holes, the worm is in meshed connection with the worm wheel, a rocker matching block is fixedly arranged at one end of each worm supporting shaft, and the cross section of each rocker matching block is square; and the grid mounting frame connecting rod is fixedly connected with the top of the worm wheel.
3. The riverway landscape water ecological restoration structure of claim 1, wherein: the cross section of the artificial island column is in a streamline shape.
4. The riverway landscape water ecological restoration structure of claim 2, wherein: the rocking bar cooperation piece cooperation is used has the zigzag rocking bar, the one end of zigzag rocking bar has set firmly the cooperation piece of rotating, the side of cooperation piece of rotating has the cross-section to be the recess of square, just the cross-sectional dimension of recess with the cross-sectional dimension of rocking bar cooperation piece is unanimous.
5. The riverway landscape water ecological restoration structure of claim 1, wherein: the grid framework is characterized in that two ends of the upper frame of the grid framework are respectively and fixedly provided with a limiting block, and the upper frame of the grid framework is fixedly provided with an annular lifting lug.
6. The riverway landscape water ecological restoration structure of claim 1, wherein: and a sealing ring is fixedly arranged on the inner wall of the artificial island column body at the matching hole of the propeller shaft, and the propeller shaft penetrates through the sealing ring.
CN202121153489.8U 2021-05-27 2021-05-27 Riverway landscape water ecological restoration structure Active CN215049394U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121153489.8U CN215049394U (en) 2021-05-27 2021-05-27 Riverway landscape water ecological restoration structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121153489.8U CN215049394U (en) 2021-05-27 2021-05-27 Riverway landscape water ecological restoration structure

Publications (1)

Publication Number Publication Date
CN215049394U true CN215049394U (en) 2021-12-07

Family

ID=79211078

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121153489.8U Active CN215049394U (en) 2021-05-27 2021-05-27 Riverway landscape water ecological restoration structure

Country Status (1)

Country Link
CN (1) CN215049394U (en)

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