Submerged Plant Planting Beds for Water Ecological Restoration

Abstract

The utility model discloses a submerged plant planting bed for water body ecological restoration, and relates to the technical field of submerged plant planting beds, including a planting bed composed of coconut fiber mats and plastic mesh sheets, and a buoyancy component, wherein the buoyancy component includes a support unit and a limit unit, and a float adjustment component is arranged inside and outside the support unit. The utility model can make the submerged plants initially be in a shallow position of the polluted water body by arranging the buoyancy component and the float adjustment component, so as to be exposed to sunlight, so that the submerged plants can grow smoothly and efficiently. After a period of time, the polluted water body is initially restored and the submerged plants grow luxuriantly, and a water injection and exhaust operation can be performed once, so that the buoyancy of the return-shaped floating frame is further reduced, and the return-shaped floating frame and the planting bed are sunk a certain distance, so that the submerged plants can gradually adapt to the deep environment of the polluted water body, which is convenient for the good growth of the submerged plants.

Description

Technical Field

[0001] The utility model relates to the technical field of submerged plant planting beds, in particular to a submerged plant planting bed for water body ecological restoration. Background Art

[0002] As producers of aquatic ecosystems, aquatic plants are the basis of logistics and energy flow of the ecosystem, the carriers of many aquatic organisms, and the best ecological materials for improving the landscape effect of water bodies. Therefore, in water ecological restoration projects, aquatic plants will be considered for selection or planting. At present, for water ecological restoration projects, the commonly used aquatic plants are mainly divided into four categories: submerged plants, emergent plants, floating leaf plants, and floating plants;

[0003] Submerged plants refer to large aquatic plants whose entire plant body is located below the water layer and survives fixedly. Submerged plants are the best aquatic plant group for shallow water ecological restoration projects (4 to 5 meters). They can significantly increase the dissolved oxygen and transparency of water bodies. Submerged plants can promote the sedimentation of suspended matter, absorb nutrients such as nitrogen and phosphorus, accelerate the denitrification of root microorganisms by denitrification, release chemical substances to inhibit algae, provide shelter for zooplankton, optimize fish population structure, etc., thereby promoting the transformation of water ecosystems to a healthy state.

[0004] When using submerged plants to treat polluted water bodies, the submerged plants are planted on a planting bed made of coconut shreds, which are then sunk into the polluted water as a whole. However, the light transmittance of polluted water bodies is extremely low, and sunlight cannot reach the bottom of the water body. If the submerged plants sink directly to the bottom of the deeper water body, they cannot carry out effective photosynthesis, and thus grow slowly. In severe cases, they may even be unable to produce normally. Utility Model Content

[0005] The utility model provides a submerged plant planting bed for water body ecological restoration, and provides the following technical solutions: the submerged plant planting bed for water body ecological restoration comprises a planting bed composed of a coconut fiber mat and a plastic mesh, wherein the plastic mesh is symmetrically laid at the upper and lower ends of the coconut fiber mat, and a buoyancy component for supporting the planting bed is arranged on the outer side of the planting bed;

[0006] The buoyancy assembly includes a supporting unit and a limiting unit;

[0007] The support unit is used to support the height of the planting bed in the polluted water body, and the limit unit is used to provide guidance and limit for the up and down movement of the support unit;

[0008] The support unit is provided with float adjustment components inside and outside, and the float adjustment components are used to adjust the buoyancy of the support unit, so as to achieve height adjustment of the support unit in the polluted water body.

[0009] As a further solution of the utility model: the support unit includes a circular floating frame and a support bottom plate;

[0010] The support bottom plate is provided with a plurality of plastic mesh sheets evenly distributed in the horizontal direction and fixed on the inner side of the circular floating frame, the planting bed is placed on the inner side of the circular floating frame and the plastic mesh sheet located below is attached to the top of the support bottom plate;

[0011] The support bottom plate is used to provide support for the bottom of the planting bed, and the circular floating frame is used to provide buoyancy for the planting bed.

[0012] As a further solution of the utility model: the limiting unit includes a fixing ring and an insert rod;

[0013] The fixing rings are symmetrically fixed on both sides of the outer wall of the circular floating frame, the bottom of the insertion rod is inserted into the bottom soil layer of the polluted water body, and the fixing ring is slidably sleeved on the outside of the insertion rod to provide guidance for the up and down movement of the circular floating frame and prevent the circular floating frame from being impacted by the water flow.

[0014] As a further solution of the utility model: the floating adjustment assembly includes a return-shaped air bag, a return-shaped water bag, an air pipe, a water pipe, and a connecting valve;

[0015] The circular airbag and the circular water bag are embedded in the inner cavity of the circular floating frame, and the circular airbag and the circular water bag are distributed in an upper and lower manner;

[0016] The air delivery pipe and the water delivery pipe are connected to the circular air bag and the circular water bag respectively, and extend through the outside of the circular floating frame;

[0017] The connecting valve is fixed on the top of the air pipe and the water pipe. The external air pump is connected to the air pipe through a connecting valve to realize the air supply operation to the inner cavity of the return air bag. The external water pump is connected to the water pipe through another connecting valve to realize the water supply operation to the inner cavity of the return water bag.

[0018] As a further solution of the utility model: the inserted rod is arranged as a multi-section splicing structure, and its overall splicing height is greater than the depth of the polluted water body.

[0019] As a further solution of the utility model: the length of the air pipe and the water pipe is greater than the depth of the polluted water body, and the top of the air pipe and the water pipe is tied to the top of the insertion rod by a cable tie.

[0020] As a further solution of the utility model: when the interior of the circular air bag is completely filled with gas, the interior of the circular water bag is not filled with water. At this time, the buoyancy of the circular floating frame is greater than the overall weight of the planting bed and the buoyancy assembly.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] By setting up buoyancy components and float adjustment components, submerged plants can be initially located in a shallower position in the polluted water body so as to be exposed to sunlight, allowing the submerged plants to grow smoothly and efficiently. After a period of time, the polluted water body is initially restored and the submerged plants grow vigorously. Water injection and exhaust operations can be carried out to further reduce the buoyancy of the circular floating frame. The circular floating frame and the planting bed are sunk a certain distance, so that the submerged plants can gradually adapt to the deep environment of the polluted water body, which is conducive to the good growth of the submerged plants. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a combined installation diagram of the planting bed and buoyancy assembly of the utility model;

[0024] Figure 2 It is a schematic diagram of the structure of the utility model;

[0025] Figure 3 This is a cross-sectional view of the buoyancy assembly of the utility model;

[0026] Figure 4 for Figure 3 Partial view at point A in the middle.

[0027] In the figure: 1. Planting bed; 101. Coconut fiber mat; 102. Plastic mesh; 2. Buoyancy assembly; 201. U-shaped floating frame; 202. Support base plate; 203. Fixing ring; 204. Insert rod; 3. Float adjustment assembly; 301. U-shaped air bag; 302. U-shaped water bag; 303. Air pipe; 304. Water pipe; 305. Connecting valve. DETAILED DESCRIPTION

[0028] See also Figures 1 to 4 As shown, the submerged plant planting bed for water body ecological restoration includes a planting bed 1 composed of a coconut fiber mat 101 and a plastic mesh 102, the plastic mesh 102 is symmetrically laid at the upper and lower ends of the coconut fiber mat 101, and a buoyancy component 2 for supporting the planting bed 1 is arranged on the outside of the planting bed 1;

[0029] The buoyancy component 2 includes a support unit and a limit unit. The support unit is used to support the height of the planting bed 1 in the polluted water body. The limit unit is used to provide guidance and limit for the up and down movement of the support unit. The inside and outside of the support unit are provided with a float adjustment component 3. The float adjustment component 3 is used to adjust the buoyancy of the support unit, thereby realizing the height adjustment of the support unit in the polluted water body.

[0030] The support unit includes a circular floating frame 201 and a support base plate 202. The support base plate 202 is provided with a plurality of plastic meshes 102 evenly distributed in the horizontal direction and fixed to the inner side of the circular floating frame 201. The planting bed 1 is placed on the inner side of the circular floating frame 201 and the plastic mesh 102 located below is attached to the top of the support base plate 202. The support base plate 202 is used to provide support for the lower side of the planting bed 1, and the circular floating frame 201 is used to provide buoyancy for the planting bed 1.

[0031] The limiting unit includes a fixing ring 203 and a plug rod 204. The fixing ring 203 is symmetrically fixed on both sides of the outer wall of the circular floating frame 201. The bottom of the plug rod 204 is inserted into the bottom soil layer of the polluted water body. The fixing ring 203 is slidably sleeved on the outside of the plug rod 204 to provide guidance for the up and down movement of the circular floating frame 201 and prevent the circular floating frame 201 from being impacted by the water flow.

[0032] The float adjustment assembly 3 includes a return-shaped air bag 301, a return-shaped water bag 302, an air pipe 303, a water pipe 304, and a connecting valve 305;

[0033] The circular air bag 301 and the circular water bag 302 are embedded in the inner cavity of the circular floating frame 201, and the circular air bag 301 and the circular water bag 302 are arranged in a vertically fitted manner. The air pipe 303 and the water pipe 304 are respectively connected to the circular air bag 301 and the circular water bag 302, and extend through the outside of the circular floating frame 201. The connecting valve 305 is fixed on the top of the air pipe 303 and the water pipe 304. The external air pump is connected to the air pipe 303 through a connecting valve 305 to realize the air supply operation to the inner cavity of the circular air bag 301, and the external water pump is connected to the water pipe 304 through another connecting valve 305 to realize the water supply operation to the inner cavity of the circular water bag 302.

[0034] When the circular air bag 301 is completely filled with gas, the circular water bag 302 is not filled with water. At this time, the buoyancy of the circular floating frame 201 is greater than the overall weight of the planting bed 1 and the buoyancy assembly 2 .

[0035] In this embodiment: it should be supplemented that: the planting bed 1 is fixed by tying the plastic mesh 102 and the coconut fiber mat 101 through the tie band and tying them to the outside of the circular floating frame 201. The coconut fiber mat 101 is provided with a slot for the submerged plants to be inserted. The submerged plants are inserted into the slots on the coconut fiber mat 101 through the holes of the plastic mesh 102. The submerged plants are clamped and fixed by the elastic reset of the coconut fiber mat 101.

[0036] When placing the entire planting bed 1 inside the polluted water body, it can be first connected to the air pipe 305 through an external air pump and a connecting valve 305, and then the air pump is started to input high-pressure gas into the inner cavity of the return-shaped airbag 301, so that the return-shaped airbag 301 is fully expanded (it should be supplemented that: at this time, there is no water inside the return-shaped water bag 302, and the connecting valve 305 connected to the water pipe 304 is in an open state when the high-pressure gas is input, so that the return-shaped water bag 302 can be squeezed to shrink when the return-shaped airbag 301 expands), and then the two connecting valves 305 are closed and the connection with the air pump is released;

[0037] Then, the rod 205 is inserted into the bottom soil layer of the polluted water body, and the circular floating frame 201 and the planting bed 1 are hoisted as a whole to the position of the rod 205 by the hoisting device, and the fixing ring 203 is sleeved on the outside of the rod 204, and then the circular floating frame 201 is slowly lowered to make it contact with the surface of the polluted water body. At this time, the hoisting can be removed, and the circular floating frame 201 will float on the surface of the polluted water body with the assistance of the circular airbag 301;

[0038] Then, the connecting valve 305 connected to the water pipe 304 is connected through the water pump, and then the water pump and the two connecting valves 305 are started. The water pump inputs water into the inner part of the circular water bag 302 through the water pipe 304, and the circular water bag 302 expands and squeezes the circular air bag 301. The air in the circular air bag 301 is discharged through the air pipe 303 and the connecting ball valve 305, so that the circular air bag 301 shrinks and the weight of the entire circular floating frame 201 increases, so that the buoyancy of the circular floating frame 201 decreases, and as the buoyancy of the circular floating frame 201 gradually decreases, the circular floating frame 201 and the planting bed 1 will sink toward the bottom of the polluted water body as a whole. When the circular floating frame 201 moves down to the required height, the two connecting valves 305 are closed. At this time, the buoyancy of the circular floating frame 201 remains unchanged, so that the circular floating frame 201 and the planting bed 1 remain at this height;

[0039] Through this operation, the submerged plants can be initially placed in a shallow position in the polluted water body so as to be exposed to sunlight, so that the submerged plants can grow smoothly and efficiently. After a period of time, the polluted water body is initially restored and the submerged plants grow vigorously. The water injection and exhaust operation can be performed again to further reduce the buoyancy of the return-shaped floating frame 201. The return-shaped floating frame 201 and the height of the planting bed 1 sink a certain distance. After a period of time, the operation is repeated, so that the submerged plants can gradually adapt to the deep environment of the polluted water body, which is conducive to the good growth of the submerged plants.

[0040] It should also be noted that the function of the U-shaped floating frame 201 to maintain height through buoyancy mainly acts on the upper depth of the polluted water body (i.e., a relatively shallow position), and is mainly used to assist submerged plants to slowly adapt to the polluted water environment. After the submerged plants grow slowly and luxuriantly in the later stage, the U-shaped floating frame 201 will sink directly to the bottom of the polluted water body when it sinks to the lower depth of the polluted water body. At this time, the luxuriantly growing submerged plants can adapt to the environment at the bottom of the polluted water body.

[0041] Please refer to Figures 1-2 The plug rod 204 is set as a multi-section splicing structure, and its overall splicing height is greater than the depth of the polluted water body; the length of the air pipe 303 and the water pipe 304 is greater than the depth of the polluted water body, and the top of the air pipe 303 and the water pipe 304 are tied to the top of the plug rod 204 by a cable tie.

[0042] In this embodiment: It should be supplemented that: the splicing structure of the insertion rod 204 can be connected by threading;

[0043] By making the splicing height of the plug rod 204, the length of the air pipe 303 and the water pipe 304 greater than the depth of the polluted water body, after the air pipe 303 and the water pipe 304 are tied to the top of the plug rod 204, their connecting valves 305 are located above the liquid surface to facilitate the subsequent water injection and exhaust operations.

Claims

1. A submerged plant planting bed for water body ecological restoration, comprising a planting bed (1) composed of a coconut fiber mat (101) and a plastic mesh (102), wherein the plastic mesh (102) is symmetrically laid at the upper and lower ends of the coconut fiber mat (101), characterized in that: A buoyancy component (2) for supporting the planting bed (1) is arranged on the outside of the planting bed (1); The buoyancy assembly (2) comprises a supporting unit and a limiting unit; The support unit is used to support the height of the planting bed (1) in the polluted water body, and the limiting unit provides guidance and limiting for the up and down movement of the support unit; The support unit is provided with a buoyancy adjustment component (3) inside and outside, and the buoyancy adjustment component (3) adjusts the buoyancy of the support unit to adjust the height position of the support unit in the polluted water body.

2. The submerged plant planting bed for water body ecological restoration according to claim 1, characterized in that: The support unit comprises a circular floating frame (201) and a support bottom plate (202); The supporting bottom plate (202) is provided with a plurality of plastic mesh sheets (102) evenly distributed in the horizontal direction and fixed to the inner side of the circular floating frame (201); the planting bed (1) is placed on the inner side of the circular floating frame (201) and the plastic mesh sheet (102) located below is attached to the top of the supporting bottom plate (202); The support bottom plate (202) is used to provide support for the bottom of the planting bed (1), and the circular floating frame (201) is used to provide buoyancy for the planting bed (1).

3. The submerged plant planting bed for water body ecological restoration according to claim 2, characterized in that: The limiting unit comprises a fixing ring (203) and an inserting rod (204); The fixing ring (203) is symmetrically fixed on both sides of the outer wall of the circular floating frame (201); the bottom of the insertion rod (204) is inserted into the bottom soil layer of the polluted water body; the fixing ring (203) is slidably sleeved on the outside of the insertion rod (204) to provide guidance for the upward and downward movement of the circular floating frame (201) and prevent the circular floating frame (201) from being impacted by the water flow.

4. The submerged plant planting bed for water body ecological restoration according to claim 3, characterized in that: The float adjustment assembly (3) comprises a circular air bag (301), a circular water bag (302), an air pipe (303), a water pipe (304), and a connecting valve (305); The circular airbag (301) and the circular water bag (302) are embedded in the inner cavity of the circular floating frame (201), and the circular airbag (301) and the circular water bag (302) are arranged in a vertically fitted manner; The air delivery pipe (303) and the water delivery pipe (304) are respectively connected to the circular air bag (301) and the circular water bag (302), and extend through the outside of the circular floating frame (201); The connecting valve (305) is fixed to the top of the air pipe (303) and the water pipe (304); the external air pump is connected to the air pipe (303) via one connecting valve (305) to realize the air supply operation to the inner cavity of the return air bag (301); and the external water pump is connected to the water pipe (304) via another connecting valve (305) to realize the water supply operation to the inner cavity of the return water bag (302).

5. The submerged plant planting bed for water body ecological restoration according to claim 3, characterized in that: The insertion rod (204) is configured as a multi-section splicing structure, and its overall splicing height is greater than the depth of the polluted water body.

6. The submerged plant planting bed for water body ecological restoration according to claim 4, characterized in that: The length of the air pipe (303) and the water pipe (304) is greater than the depth of the polluted water body, and the tops of the air pipe (303) and the water pipe (304) are tied to the top of the insertion rod (204) by means of a cable tie.

7. The submerged plant planting bed for water body ecological restoration according to claim 4, characterized in that: When the interior of the circular air bag (301) is completely filled with gas, the interior of the circular water bag (302) is not filled with water. At this time, the buoyancy of the circular floating frame (201) is greater than the overall weight of the planting bed (1) and the buoyancy assembly (2).

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