Enclosure device suitable for dynamic water body ecological test

Abstract

The invention relates to an enclosure device suitable for a dynamic water body ecological test, belongs to the technical field of water ecology research devices, solves the problem that an existing enclosure structure cannot be installed in a water area with a deep water depth and a water body with a large water level variable amplitude, and comprises an enclosure frame, a floating body structure and an adjusting assembly. The floating body structures are arranged on the periphery of the enclosure frame and provide buoyancy for the enclosure frame so that the enclosure frame can suspend on the water surface, and the highest point of the waterproof cloth is higher than the horizontal plane. The adjusting assembly is used for adjusting the height difference between the enclosure frame and the water surface. According to the scheme, the enclosure device is reasonable in structure and rich in function, the enclosure floating on the water surface can be effectively installed in a test water area with deep water, the original ecological water environment is basically simulated, and the enclosure device is not affected by water level amplitude variation and water evaporation. The enclosure device can be independently used or combined into a plurality of original ecological water body environments for water body treatment and aquatic test. The enclosure device is firm, durable, detachable, reusable, wide in application and convenient to popularize.

Description

Technical Field

[0001] The invention relates to the technical field of water ecology research devices, and in particular to an enclosure device suitable for dynamic water body ecology experiments. Background Art

[0003] Eutrophication of water bodies is an environmental problem in my country and even globally. The treatment and restoration of eutrophic water bodies is also a global problem. In response to the restoration of eutrophic water bodies, domestic and foreign scholars have carried out a lot of research and practice, using methods such as physical, chemical, biological manipulation and ecological restoration. The research forms include indoor simulation tests and in-situ enclosure tests. Since the hydrology, water quality, water ecology and other environmental problems of each eutrophic water body are different, the indoor simulation test is a laboratory simulation of the water environment, which may result in the technical parameters obtained not being able to fully and truly reflect the actual situation of the restored water body.

[0004] In-situ enclosure tests are conducted on-site in the restoration of water bodies. The enclosure environmental conditions are similar to the natural conditions of the restored water bodies, and the results can better reflect the true conditions of the natural ecosystem of the restored water bodies. Therefore, in the study of ecological restoration of eutrophic water bodies, in-situ enclosure tests are often used to obtain reliable technical parameters in order to achieve better restoration effects.

[0005] The original enclosure test uses enclosures to establish a relatively closed test area on site in the experimental waters. While maintaining the original state of the water body, it simulates the ecological change trend of natural waters by artificially designing ecological structures or intervening in changes in ecological factors, and conducts research on water pollution control, water ecological restoration and ecosystem reconstruction. The test results obtained can better reflect the true status of the natural ecosystem. The construction of the enclosure is mainly through four or more columns as a skeleton inserted into the bottom mud, wrapped with waterproof cloth to stabilize the water environment inside the enclosure, the upper part of the waterproof cloth uses a float above the water surface, and the bottom is wrapped with stone cages and stepped into the bottom mud.

[0006] This type of enclosure is often used in the nearshore waters of shallow lakes and reservoirs. For dynamic reservoirs with large water level fluctuations, such as the Three Gorges Reservoir, Danjiangkou Reservoir and other large reservoirs, the test waters cannot use the above-mentioned traditional in-situ enclosures to carry out relevant water body management and water ecological restoration research and experiments. At present, there is no mature, functional, and structurally reasonable in-situ enclosure system for dynamic water body ecological experiments on the market. Therefore, in order to solve the above problems, full consideration is given to the water level changes in the demonstration reservoir bay and the evaporation of water, and a multifunctional in-situ enclosure system integrating environmental science, ecology, and biology is designed. In practice, the effect is remarkable, the test results are reliable, and it can be applied to test water bodies. Summary of the invention

[0007] Based on the above description, the present invention provides an enclosure device suitable for dynamic water ecological experiments to solve the problems mentioned in the above background technology.

[0008] The technical solution of the present invention to solve the above technical problems is as follows:

[0009] An enclosure device suitable for dynamic water ecological test, comprising:

[0010] The enclosure frame has waterproof cloth wrapped on the sides and a water filter structure at the bottom;

[0011] A floating structure is arranged around the enclosure frame so as to be suspended on the water surface;

[0012] An adjusting component, arranged on the floating structure, for adjusting the height difference between the enclosure frame and the water surface;

[0013] Wherein, the water filtering layer structure comprises a bottom frame, on which sediments are arranged, and external water is connected with internal water of the enclosure frame after being filtered through the sediments.

[0014] Based on the above technical solution, the present invention can also be improved as follows.

[0015] Furthermore, the bottom frame is a mesh frame structure, connected to the bottom of the enclosure frame, a mesh is laid on the top of the bottom frame, and sediment is arranged on the top of the mesh.

[0016] Furthermore, the bottom frame includes a bottom plate and a enclosure, the enclosure is arranged in a ring along the edge of the bottom plate, the bottom frame is sleeved on the bottom of the enclosure frame, the bottom plate and the enclosure respectively maintain gaps with the enclosure frame, the bottom frame is filled with sediment, and the top of the sediment is higher than the bottom of the enclosure frame.

[0017] Furthermore, the enclosure frame includes vertical rods arranged vertically, and horizontal rods are connected between the vertical rods. The adjustment assembly includes a fixed block and a ring. The fixed block is detachably connected to the top of the vertical rod. A fixed rod is provided on the floating structure. One end of the ring is fixedly connected to the fixed block, and the other end thereof is sleeved on the fixed rod. A plurality of positioning holes are opened on the fixed rod, and locking pins are inserted into the positioning holes.

[0018] Furthermore, the floating structure includes a buoy and a splicing plate, wherein the splicing plate is arranged above the buoy, and the splicing plate forms a square structure.

[0019] Furthermore, positioning rings are provided at the four corners of the square structure.

[0020] Furthermore, the splicing plate includes a long plate and a short plate, the short plate is located at the four corners of the square structure and is connected to the ends of the two long plates, the float is located at the bottom of the long plate, and the short plate is plugged into the long plate.

[0021] Furthermore, the sediment is bottom mud taken from local waters.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0023] Compared with traditional fixed enclosures deeply embedded in the bottom, this proposal designs a multifunctional enclosure device that integrates environmental science, ecology, and biology. It is not limited by water depth and water level changes and can be used for different types of water ecological experiments.

[0024] The enclosure device of the present scheme has a reasonable structure and rich functions. The enclosure floating on the water surface can be effectively installed in test waters with deep water, especially in water areas with large water level fluctuations. It basically simulates the original ecological water environment and is not affected by water level fluctuations and water evaporation. The enclosure device can be used alone or combined into multiple original ecological water environments for water management and water ecological experiments. The enclosure device is sturdy and durable, detachable and reusable, and has a wide range of uses, which is convenient for promotion and popularization. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the structure of the enclosure device according to the first embodiment of the present invention;

[0026] Figure 2 for Figure 1 A structural diagram from another perspective;

[0027] Figure 3 This is a schematic diagram of the structure of the enclosure device according to the second embodiment of the present invention;

[0028] Figure 4 for Figure 3 Schematic diagram of the internal section;

[0029] Figure 5 for Figure 3 Schematic diagram of the structure after the middle and short plates are separated;

[0030] Figure 6 for Figure 5 Enlarged view of point A in the middle.

[0031] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0032] 1. Waterproof cloth; 2. Bottom frame; 3. Sediment; 4. Enclosure; 5. Vertical bar; 6. Horizontal bar; 7. Fixed block; 8. Ring; 9. Fixed bar; 10. Positioning ring; 11. Float; 12. Positioning ring; 13. Long board; 14. Short board; 15. Card plate; 16. Card slot. DETAILED DESCRIPTION

[0033] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0035] It will be appreciated that spatial relationship terms such as "under," "beneath," "below," "under," "above," "above," etc., may be used herein to describe the relationship of an element or feature shown in the figures to other elements or features. It will be appreciated that, in addition to the orientations shown in the figures, spatial relationship terms also include different orientations of the device in use and operation. For example, if the device in the accompanying drawings is flipped, an element or feature described as "under other elements" or "under it" or "under it" will be oriented as being "above" the other elements or features. Thus, the exemplary terms "under" and "under" may include both upper and lower orientations. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptors used herein are interpreted accordingly.

[0036] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element, or connected to the other element through an intermediate element. The "connection" in the following embodiments should be understood as "electrical connection", "communication connection", etc. if the connected circuits, modules, units, etc. have electrical signals or data transmission between each other.

[0037] When used herein, the singular forms "a", "an", and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" etc. specify the presence of stated features, wholes, steps, operations, components, parts or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.

[0038] like Figure 1-5As shown, an enclosure device suitable for dynamic water ecological experiments includes an enclosure frame, a floating structure and an adjustment component. The enclosure frame is an existing structure, using steel pipes as a skeleton, and the side is wrapped with a sewn waterproof cloth 1 to form a structure with waterproof sides and upper and lower openings. The floating structure is arranged around the enclosure frame to provide buoyancy to the enclosure frame so that it is suspended on the water surface, and the highest point of the waterproof cloth 1 is higher than the horizontal plane. The adjustment component is arranged on the floating structure to adjust the height difference between the enclosure frame and the water surface.

[0039] A water filter structure is provided at the bottom of the enclosure frame. The water filter structure includes a bottom frame 2, on which a sediment 3 is provided. External water is filtered through the sediment 3 and then communicated with the internal water of the enclosure frame. The sediment 3 is used to simulate the natural bottom infiltration system, maintain the hydraulic connection between the interior of the enclosure and the natural water body, maintain the small water ecosystem in the test enclosure, and ensure the accuracy of the enclosure experimental data.

[0040] like Figure 1 , Figure 2 As shown, in the first embodiment of the present scheme: the bottom frame 2 is a mesh frame structure, connected to the bottom of the enclosure frame, a mesh is laid on the top of the bottom frame 2, and a sediment 3 is arranged on the top of the mesh. The bottom frame 2 of the mesh frame structure plays the role of carrying the sediment 3, and the mesh is sewn on the bottom frame 2 to form a fixed shape to prevent the components of the sediment 3 such as the bottom mud and gravel from leaking down. The mesh can adopt an aperture of 80-120 mesh. In this scheme, the mesh frame structure can be fixed to the bottom of the enclosure frame by welding and fastener hooks, which is easy to install and has strong bearing capacity. However, the water filter layer structure is somewhat different from the traditional enclosure. The traditional enclosure is deeply embedded in the bottom sediment of the water body, and the waterproof cloth 1 blocks the inside and outside of the enclosure, and water can only slowly penetrate from the bottom sediment below the waterproof cloth 1. In one embodiment scheme, a lacing is arranged on the outside of the waterproof cloth 1, and the bottom frame 2 is tied to the enclosure frame by the lacing.

[0041] In order to control variables as much as possible and improve the accuracy of experimental data, this scheme designs embodiment 2: the bottom frame 2 includes a bottom plate and a baffle 4, the baffle 4 is arranged in a ring along the edge of the bottom plate, the bottom frame 2 is sleeved on the bottom of the enclosure frame, the bottom plate and the baffle 4 respectively maintain gaps with the enclosure frame, the bottom frame 2 is filled with sediment 3, and the top of the sediment 3 is higher than the bottom of the enclosure frame.

[0042] like Figure 3 , Figure 4 In the second embodiment shown, a larger bottom frame 2 is wrapped around the bottom of the enclosure frame, and the bottom of the enclosure frame is buried by filling sediment 3, forming a penetration form similar to that of a traditional enclosure deeply embedded in the bottom of the water body. The bottom plate and the enclosure 4 are fixed to the enclosure frame by welding or fasteners.

[0043] After simulating the bottom infiltration environment, it is also necessary to consider the suitable growth depth of the animals and plants inside the enclosure. The adjustment component is used to adjust the height difference between the enclosure frame and the water surface, thereby improving the applicability of the device.

[0044] Specifically, the enclosure frame includes vertical rods 5 arranged vertically, and horizontal rods 6 are connected between the vertical rods 5. The adjustment assembly includes a fixed block 7 and a collar 8, and the fixed block 7 is detachably connected to the top of the vertical rod 5. The vertical rod 5 is made of a steel pipe, and an internal thread or an external thread is arranged on the top thereof. Corresponding threads are arranged at the bottom of the fixed block 7, so that the fixed block 7 is threadedly fixed on the top of the vertical rod 5. A fixed rod 9 is installed on the floating structure, and one end of the collar 8 is fixedly connected to the fixed block 7, and the other end is sleeved on the fixed rod 9. The fixed rod 9 is provided with a plurality of positioning holes, and locking pins are inserted into the positioning holes. The collar 8 presses the overall weight of the enclosure frame on the floating structure through the locking pin and the fixed rod 9. If it is necessary to change the height of the enclosure frame beyond the horizontal plane, the collar 8 is raised to the specified height, and then the locking pin is inserted into the corresponding position.

[0045] In order to ensure the stability of the enclosure device, the floating structure and the enclosure frame need to be as close as possible. For the enclosure device of Example 1, the enclosure frame can be sunk into the water from the middle of the floating structure. However, for the enclosure structure of Example 2, since the area of ​​the bottom frame 2 is larger than the enclosure frame, the area of ​​the bottom frame 2 often exceeds the reserved space of the floating structure. Therefore, the floating structure is designed as a movable splicing structure in this solution.

[0046] like Figure 5 , Figure 6 As shown, the floating structure includes a buoy 11 and a splicing plate, and the splicing plate is arranged above the buoy 11. Preferably, the splicing plate forms a square structure, so that the enclosure device can be installed and deployed in a modular form in the form of a unit. Positioning rings 1210 are arranged at the four corners of the square structure, and the positioning rings 1210 are used to connect with adjacent enclosure devices using ropes, or to hang anchors.

[0047] The splicing plate includes a long plate 13 and a short plate 14. The short plate 14 is located at the four corners of the square structure and is connected to the ends of the two long plates 13. The buoy 11 is located at the bottom of the long plate 13, and the short plate 14 is plugged into the long plate 13. A card slot 16 is provided at the end of the long plate 13, and a card block that matches the card slot 16 is provided at the butt end of the short plate 14 and the long plate 13. A matching through hole is provided at the butt end of the long plate 13 and the short plate 14. The long plate 13 can be pulled outward for a distance relative to the short plate 14. Correspondingly, the short plate 14 can also be moved outward for a distance along the diagonal direction according to the size of the card block. The entire splicing plate is stretched outward to form a larger middle hole for the bottom frame 2 to be placed. After the enclosure frame is completely sunk, the long plate 13 and the short plate 14 are brought closer to the middle and locked with screws.

[0048] Sediment 3 is bottom mud and gravel taken from local waters, and is mixed according to the bottom conditions of the test water body or prepared by the experiment needs.

[0049] Fishing nets are laid on the top of the enclosure frame to prevent fish from escaping. This scheme designs a photovoltaic power generation device and an aeration system on the floating structure. The aeration system consists of an aeration pump, an aeration pipe and a jet head, which is used to power the aeration pump to oxygenate the enclosure water during the test.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An enclosure device suitable for dynamic water ecological experiments, characterized in that: include: The enclosure frame has its sides wrapped with waterproof cloth and a water filter layer structure at its bottom; A floating structure is arranged around the enclosure frame so as to be suspended on the water surface; An adjusting component, arranged on the floating structure, for adjusting the height difference between the enclosure frame and the water surface; Wherein, the water filtering layer structure comprises a bottom frame, and sediments are arranged on the bottom frame. External water is connected with internal water of the enclosure frame after being filtered through the sediments.

2. The enclosure device suitable for dynamic water ecological experiment according to claim 1 is characterized in that: The bottom frame is a mesh frame structure, connected to the bottom of the enclosure frame, a mesh cloth is laid on the top of the bottom frame, and sediment is arranged on the top of the mesh cloth.

3. The enclosure device suitable for dynamic water ecological test according to claim 1, characterized in that: The bottom frame includes a bottom plate and a surround, the surround is arranged in a ring along the edge of the bottom plate, the bottom frame is sleeved on the bottom of the enclosure frame, the bottom plate and the surround respectively maintain gaps with the enclosure frame, the bottom frame is filled with sediment, and the top of the sediment is higher than the bottom of the enclosure frame.

4. The enclosure device suitable for dynamic water ecological test according to claim 1, characterized in that: The enclosure frame includes vertical rods arranged vertically, and horizontal rods are connected between the vertical rods. The adjustment assembly includes a fixed block and a ring. The fixed block is detachably connected to the top of the vertical rod. A fixed rod is arranged on the floating structure. One end of the ring is fixedly connected to the fixed block, and the other end thereof is sleeved on the fixed rod. A plurality of positioning holes are opened on the fixed rod, and locking pins are inserted into the positioning holes.

5. The enclosure device suitable for dynamic water ecological test according to claim 1 is characterized in that: The floating structure includes a buoy and a splicing plate, wherein the splicing plate is arranged above the buoy and forms a square structure.

6. The enclosure device suitable for dynamic water ecological test according to claim 5, characterized in that: Positioning rings are arranged at the four corners of the square structure.

7. The enclosure device suitable for dynamic water ecological test according to claim 5, characterized in that: The splicing plate includes a long plate and a short plate. The short plate is located at the four corners of the square structure and is connected to the ends of two long plates. The buoy is located at the bottom of the long plate. The short plate is plugged into and matched with the long plate.

8. The enclosure device suitable for dynamic water ecological test according to claim 1, characterized in that: The sediment is bottom mud taken from local waters.

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