Combined experimental device for water purification plant cultivation and water purification benthonic animal hanging cultivation in water bodies with different depths

Abstract

The invention relates to the technical field of water area ecological protection, and provides a combined experimental device for water purification plant cultivation and water purification benthonic animal hanging culture in water bodies of different depths, which comprises a floating plate piece and a plurality of hanging culture cages, a hole is formed in the center of the floating plate piece, a plurality of hanging parts are arranged at the bottom of the floating plate piece, each hanging part is connected with a plurality of hanging cages which are connected in series through steel cables, and a spear is arranged at the bottom of the lowest hanging cage; at least one buoyancy piece is arranged in each hanging breeding cage; and a second water purification plant is also arranged below the floating plate piece. The effect of combined feeding of aquatic plants and benthonic animals is achieved, the number of the hanging cages and the length of the steel cables can be adjusted according to water area environments of different depths, the universality is good, the advantages of being easy to mount and dismount and convenient to assemble are achieved, and the water purification efficiency is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of water ecological protection, and in particular to a combined experimental device for cultivating water-purifying plants and hanging and raising water-purifying benthic animals in water bodies of different depths. Background Art

[0002] Due to human activities, agricultural fertilization, urban sewage discharge, and industrial wastewater discharge, a large amount of nutrients such as nitrogen and phosphorus enter the lake. Eutrophication can cause a series of environmental problems such as water quality deterioration and imbalance of ecosystem functions. Algae reproduce in large numbers to form algal blooms, which leads to a decrease in dissolved oxygen in the water, and suffocation and death of fish and other aquatic organisms; at the same time, toxins and odors produced during the decomposition of algae will affect the safety of drinking water and the ornamental value of the lake. Different types of aquatic plants and benthic animals in lakes can remove nitrogen and phosphorus and protect lakes from excessive eutrophication. However, in the face of excessive input of nitrogen and phosphorus nutrients, ecologists must study the removal of excess nitrogen and phosphorus in the water environment under human intervention. Therefore, it is very necessary to study the most efficient combination of aquatic plants and benthic filter feeders to remove nitrogen and phosphorus.

[0003] It is a common method to use only aquatic plants and aquatic animals to remove excess nitrogen, phosphorus and other substances in lakes. However, in existing designs, it is rare to find devices that use aquatic plants and benthic animals as a whole to remove eutrophic substances. Moreover, most of the feeding devices are located in waters with harsh climatic conditions. Due to the violent movement of the water body, the benthic animals in the feeding devices are often killed due to shaking and collision, affecting the water purification effect. In addition, due to the movement of the water body, the feeding device may be pushed from deep water to shallow water or from shallow water to deep water, leaving the predetermined purified water area, making the originally designed feeding device incompatible with the new water area, affecting the water purification effect and causing the device to be damaged. Therefore, it is urgent to design a new device to solve the above problems. Summary of the invention

[0004] In view of the defects in the prior art, the purpose of the present invention is to provide a combined experimental device for cultivating water-purifying plants and hanging and raising water-purifying benthic animals in water bodies of different depths.

[0005] According to the present invention, a combined experimental device for cultivating water-purifying plants and hanging and raising water-purifying benthic animals in water bodies of different depths comprises a floating plate and a plurality of hanging and raising cages;

[0006] The center of the floating plate is provided with a hole, and the hole is used to cultivate the first water purification plant;

[0007] The bottom of the floating plate has a plurality of hanging parts, each of which is connected to a plurality of hanging cages connected in series by steel cables, and a spear is arranged at the bottom of the hanging cage located at the bottom;

[0008] Each of the hanging cages is provided with at least one buoyancy member;

[0009] A second water purification plant is also arranged below the floating plate member, the second water purification plant is arranged on the water bottom and connected to the spear through a steel cable or arranged below the floating plate member and connected to the floating plate member;

[0010] The adjacent hanging cages at the same height below the different hanging positions are connected.

[0011] Preferably, the hanging cages under each of the hanging positions are numbered in sequence from top to bottom, and the hanging cages with the same number under different hanging positions are located at the same height.

[0012] Preferably, the numbers of hanging cages under different hanging positions are the same, partially the same, or different.

[0013] Preferably, the floating plate member is a porous structure or a transparent structure so that the floating plate member allows light to pass through.

[0014] Preferably, the floating plate member is formed by splicing a plurality of floating plates, and arc grooves are respectively arranged on the four corners of the floating plate, and the four arc grooves are spliced ​​together to form the hole;

[0015] A floating plate lower half ring is arranged at the lower part of each floating plate, and the upper end of the steel cable is detachably fixed on the floating plate lower half ring through a lock buckle.

[0016] Preferably, the hanging cage includes a cage body and a top cover, one end of the top cover is rotatably engaged with one side of the top end of the cage body through a hinge, and the other end of the top cover is provided with a buckle lock, and the buckle lock has two states, locked and unlocked. When the buckle lock is in the unlocked state, the top cover can be buckled or opened; when the buckle lock is in the locked state, the top cover is not allowed to leave the other end of the cage body.

[0017] Preferably, a first connecting ring is provided at the upper end of the top cover, and the lower end of the steel cable is connected to the first connecting ring through a lock buckle;

[0018] A second connecting ring is provided at the lower end of the cage body, and the second connecting ring is used to connect the upper end of the steel cable located below the cage body;

[0019] The first connecting ring and the second connecting ring are made of stainless steel.

[0020] Preferably, the buoyancy member is a buoyancy ball or a buoyancy plate.

[0021] Preferably, the floating plate and the floating plate lower half ring are formed by pressing as one body, and adjacent floating plates are bonded or connected by connecting pieces;

[0022] The hanging cage is welded from stainless steel wires.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. The present invention designs holes for feeding aquatic plants on the floating plate, and designs one or more groups of hanging cage strings under the floating plate for feeding benthic animals, thereby achieving the effect of combined feeding of aquatic plants and benthic animals, and can adjust the number of hanging cages and the length of steel cables according to the water environment at different depths. It has good versatility and has the advantages of easy installation and disassembly, and convenient assembly, which greatly improves the purification efficiency of water bodies.

[0025] 2. In the present invention, spears are arranged below the hanging cage string, and multiple hanging cages of the same height are connected, which can resist the influence of various adverse waters with large fluidity on the device, so that the device can always be stable in the water area, and can reduce the mortality of benthic animals due to vibration, thereby greatly improving the stability of the device.

[0026] 3. By arranging a floating ball in the hanging cage, the present invention can make the hanging cages of various heights float at a set height in the water area no matter how many hanging cages are installed in the whole device, thereby improving the stability and practicality of the device.

[0027] 4. The floating plate in the present invention adopts a light-transmitting design, and a second water purification plant is placed under the floating plate, which can not only increase the purification effect of the water body, but also ensure the sunlight required by the water purification plants in the water, thereby improving the overall water purification capacity of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0029] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0030] Figure 2 It is a schematic diagram of the structure on the floating plate;

[0031] Figure 3 It is a schematic diagram of the structure below the floating plate;

[0032] Figure 4 It is a structural diagram of a hanging cage;

[0033] Figure 5 It is a structural schematic diagram of a hanging part connected to a hanging cage;

[0034] Figure 6 It is a schematic diagram of the structure when the floating ball and the spear are provided in the present invention;

[0035] Figure 7 This is a schematic diagram of the structure of the floating ball when it is hung in the cage;

[0036] Figure 8 This is a schematic diagram of the structure when three hanging cages are tied together;

[0037] Fig. 9 This is a schematic diagram of the structure of the planting tray.

[0038] The figure shows:

[0039] Floating plate 1

[0040] Float lower ring 2

[0041] Lock 3

[0042] Tightrope 4

[0043] First connecting ring 5

[0044] Hanging cage 6

[0045] Cage 61

[0046] Spear 62

[0047] Float 63

[0048] Planting pot 64

[0049] Hasp lock 7

[0050] Hinge 8

[0051] Top cover 9

[0052] Second connecting ring 10 DETAILED DESCRIPTION

[0053] The present invention is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the present invention, but are not intended to limit the present invention in any form. It should be noted that, for those of ordinary skill in the art, several changes and improvements can also be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0054] Embodiment 1:

[0055] The present invention provides a combined experimental device for cultivating water purification plants and hanging water purification benthic animals in water bodies of different depths, such as Figures 1 to 5As shown, it includes a floating plate member 1 and a plurality of hanging cages 6. The hanging cages 6 are welded from stainless steel wires. The hanging cages 6 provide a living space for benthic animals in the water. A hole 11 is provided in the center of the floating plate member 1. The hole 11 is used to cultivate a first water purification plant. The bottom of the floating plate member 1 has one or more hanging parts. Each hanging part is connected to a hanging cage 6 or a plurality of hanging cages 6 through a steel cable 4. When a plurality of hanging cages 6 are hung under each hanging part, the plurality of hanging cages 6 are connected in series from top to bottom through the steel cable 4 in sequence, and are not at the same height. A plurality of series-connected hanging cages form a hanging cage string. By hanging a plurality of hanging cages 6 at a hanging part, it is possible to adapt to water environments of different depths and increase the number of hanging cages 6 in the water, so that more benthic animals in the water can be distributed in different parts of the water body, thereby improving the water purification efficiency.

[0056] In actual application, the number of hanging cages 6 under each hanging part can be flexibly designed according to the environmental water depth, the size of the hanging cages 6, and the actual needs of water purification. The hanging cages 6 under each hanging part are numbered from top to bottom, and the hanging cages 6 with the same number under different hanging parts are arranged at the same height. Among the hanging cages 6 at the same height under different hanging parts, adjacent hanging cages 6 are connected. By connecting multiple hanging cages 6 at the same height, the hanging cages 6 at each height are connected as a whole, which greatly improves the stability of the device in waters with intense water movement environment, reduces the possibility of death of benthic animals in the feeding device due to shaking and impact, and greatly improves the water purification effect and the stability of the device.

[0057] It should be noted that a plurality of hanging cages 6 at the same height can be directly tied together by tying ropes to achieve connection with each other. Figure 8 The figure shows a schematic diagram of the structure of a specific embodiment. A plurality of hanging cages 6 can also be connected by a rigid connecting rod, thereby improving the ability of the device to withstand harsh water environments.

[0058] Specifically, since several or even dozens of hanging cages 6, or more, may be hung at the bottom of the floating plate 1, and the hanging cages 6 are made of steel wire material, it may be impossible to float multiple floating plate members 1 only by the buoyancy of the floating plate 1. Therefore, in the present invention, at least one buoyancy member is provided in each hanging cage 6, and the buoyancy member can be placed in the hanging cage 6. By calculating and designing the buoyancy member matching the hanging cage 6, the hanging cages 6 in various parts of the entire device can be arranged in series from the top to the bottom of the water area, covering various positions in the water area. Among them, the buoyancy member can be designed as a floating ball 63 or a buoyancy plate structure, such as Figure 6 , Figure 7 As shown, you can flexibly select according to the actual application scenario.

[0059] In waters with violent water flow, in order to place the device from the predetermined waters to the shore, each hanging part is connected with a plurality of hanging cages 6 connected in series by steel cables 4, and a spear 62 is arranged at the bottom of the lowest hanging cage 6. The arrangement of the spear 62 can position the entire device at the bottom of the waters, greatly increasing the ability of the device to resist the flowing waters, ensuring that the device can always remain in the predetermined waters, and improving the stability of the device.

[0060] Specifically, the number of hanging cages 6 under different hanging positions can be set to be the same, partially the same, or different, so as to adapt to different landforms under the water. Figure 1 Taking the design in as an example, the number of hanging cages 6 under the three hanging positions is 2, and the hanging cages 6 with the same number are arranged at the same height.

[0061] Cultivating water purification plants only through the central hole 11 of the floating plate 1 cannot fully exert the water purification efficiency. In the present invention, a second water purification plant is also arranged below the floating plate 1. The second water purification plant is arranged at the bottom of the water and connected to the spear 62 through the steel cable 4. The second water purification plant is preferably planted in a planting pot 64. The surrounding surface of the planting pot 64 is blocked, and the bottom has a hole structure to meet the growth needs of water purification plants. Or the second water purification plant is arranged below the floating plate 1 and connected to the floating plate 1. In order to prevent the floating plate 1 from shading and affecting the absorption of light by the second water purification plant, the floating plate 1 is designed as a porous structure, and the light is irradiated into the water area through the hole, or the floating plate 1 is designed as a transparent structure, and the light can easily penetrate the floating plate 1 and irradiate underwater. Through the above measures, the floating plate 1 allows light to pass through, ensuring sufficient sunlight in the water, and meeting the light requirements for the growth of the second water purification plant. For the floating plate 1 made of transparent material, a polycarbonate transparent plate or other materials that can meet the buoyancy and light transmission requirements in the prior art can be used.

[0062] Specifically, the floating plate member 1 is formed by splicing a plurality of floating plates 12. Figure 1 , Figure 2 , Figure 3 As shown, each floating plate 12 is provided with a floating plate lower half ring 2 at the bottom. When the floating plate member 1 adopts a porous structure to achieve light transmission, the floating plate member 1 and the floating plate lower half ring 2 can both be made of EVA ethylene-vinyl acetate copolymer material. The floating plate member 1 and the floating plate lower half ring 2 are integrally formed by integral pressing. The floating plate 12 is a rectangular parallelepiped. The floating plate 12 is square in shape when viewed from above. The four corners of the floating plate 12 are provided with arc grooves 121, and the four arc grooves 121 are spliced ​​to form a hole 11. Taking the floating plate member 1 using four floating plates 12 as an example, the center of the floating plate member 1 formed by splicing four floating plates 12 forms a hole 11, and the hole 11 is used to cultivate the first water purification plant. Specifically, adjacent floating plates 12 are bonded or connected by a connector.

[0063] like Figure 1 , Figure 5 As shown, multiple hanging cages 6 suspended at different heights below each hanging portion are connected by steel cables 4. The upper end of the first steel cable 4 from top to bottom is detachably fixed to the lower half ring 2 of the floating plate by a lock buckle 3. The lower end of the steel cable 4 is connected to the upper end of the hanging cage 6. The upper ends of the remaining steel cables 4 except the first steel cable 4 are connected to the lower ends of the upper adjacent hanging cages 6, and the lower ends of the remaining steel cables 4 are connected to the upper ends of the lower adjacent hanging cages 6. In practical applications, the length of each steel cable 4 can be adjusted to adapt to river and lake environments of different depths.

[0064] like Figure 4 As shown, the hanging cage 6 includes a cage body 61 and a top cover 9. One end of the top cover 9 is rotatably matched with one side of the top end of the cage body 61 through a hinge 8. The connection between the hinge 8, the top cover 9 and the cage body 61 is welded to enhance the firmness of the connection. The top cover 9 can be rotated around one side of the top end of the cage body 61 through the hinge 8 to realize the opening and closing of the top cover 9. The other end of the top cover 9 is provided with a buckle lock 7. The buckle lock 7 has two states: locked and unlocked. When the top cover 9 is closed, the buckle lock 7 is locked and the top cover 9 is not allowed to leave the other end of the cage body 61, that is, the top cover 9 is not allowed to open; when the buckle lock 7 is in the unlocked state, the top cover 9 can leave the other end of the cage body 61, that is, it can be closed or opened. The design of the hinge 8 in the present invention is convenient for replacing benthic animals.

[0065] like Figure 4 As shown, a first connecting ring 5 is provided at the upper end of the top cover 9, and a second connecting ring 10 is provided at the lower end of the cage body 61. The second connecting ring 10 is used to connect the upper end of the steel cable 4 located below the cage body 61, and the lower end of the steel cable 4 is connected to the first connecting ring 5 through the lock buckle 3.

[0066] Embodiment 2:

[0067] This embodiment is a preferred example of embodiment 1. In this embodiment, the specification of the floating plate 12 is a cuboid with a length of 50 cm, a width of 50 cm and a height of 10 cm. The four corners of the floating plate 12 are each provided with an arc groove 121 with a radius of 10 cm. After the plurality of floating plates 12 are spliced ​​together, a hole 11 with a radius of 10 cm is provided in the center. The hanging cage 6 is a cylindrical structure with a diameter of 25 cm and a height of 15 cm. The cage body 61 is welded with a 316 stainless steel mesh with a specification of 5 mm to form a whole with the bottom and the cylindrical wall. The top cover 9 is also welded with a 5 mm stainless steel mesh and has a diameter of 25 cm.

[0068] Specifically, the first connecting ring 5 and the second connecting ring 10 are welded to the center of the bottom of the cage body 61 and the center of the top cover 9 respectively, and the material of the first connecting ring 5 and the second connecting ring 10 are both 316 stainless steel.

[0069] Specifically, the first connecting ring 5 is connected to the lower end of the steel cable 4 through the lock 3 to realize the connection between the hanging cage 6 and the floating plate 1, forming an upper layer benthic animal hanging device. The next layer of hanging device also uses a hanging cage 6, which is also connected to the steel cable 4 through the lock 3 and the upper hanging cage 6 connecting ring 10 to form a next layer of hanging device.

[0070] When the present invention is implemented, multiple hanging devices should be connected to the lock 4 through the iron rope 3 and the lock 4 should be connected to the lower half ring 2 of the floating plate to form a whole. Then, more than one whole should be spliced ​​into a whole experimental device that can plant water purification plants at the same time.

[0071] In the present invention, the floating plate 12 is connected to the hanging cage 6 to form a combination of plants and animals, and the length of the steel cable 4 can be freely adjusted to adapt to the river and lake environment of different depths. The floating plate 12 is made of EVA ethylene-vinyl acetate copolymer, the hanging cage 6 material and the lock are made of 316 stainless steel, and the connecting device is made of steel cable 4 covered with plastic coating. The whole set of experimental devices in the present invention has easy-to-obtain materials, simple structure, easy installation and disassembly, and a long design service life, which can meet the implementation of related combined experiments of water purification plant cultivation in rivers and lakes and hanging benthic animals at different depths.

[0072] In the description of the present application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0073] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essence of the present invention. In the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. A combined experimental device for cultivating water purification plants and hanging water purification benthic animals in water bodies of different depths, characterized in that: It comprises a floating plate (1) and a plurality of hanging cages (6); A hole (11) is provided at the center of the floating plate (1), and the hole (11) is used to cultivate a first water purification plant; The bottom of the floating plate (1) has a plurality of hanging parts, each of which is connected to a plurality of hanging cages (6) connected in series via steel cables (4), and a spear (62) is provided at the bottom of the hanging cage (6) located at the bottom; Each of the hanging cages (6) is provided with at least one buoyancy member; A second water purification plant is also arranged below the floating plate member (1), the second water purification plant is arranged at the bottom of the water and connected to the spear (62) via a steel cable (4) or is arranged below the floating plate member (1) and connected to the floating plate member (1); The adjacent hanging cages (6) at the same height below the different hanging positions are connected.

2. The combined experimental device for cultivating water purification plants and hanging water purification benthic animals in water bodies of different depths according to claim 1 is characterized in that: The hanging cages (6) below each hanging position are numbered in sequence from top to bottom, and the hanging cages (6) with the same number below different hanging positions are located at the same height.

3. The combined experimental device for cultivating water purification plants and hanging water purification benthic animals in water bodies of different depths according to claim 1 is characterized in that: The numbers of the hanging cages (6) below the different hanging positions are all the same, partly the same, or all different.

4. The combined experimental device for cultivating water purification plants and hanging water purification benthic animals in water bodies of different depths according to claim 1 is characterized in that: The floating plate member (1) has a porous structure or a transparent structure so that the floating plate member (1) allows light to pass through.

5. The combined experimental device for cultivating water purification plants and hanging water purification benthic animals in water bodies of different depths according to claim 1 is characterized in that: The floating plate member (1) is formed by splicing a plurality of floating plates (12); arc grooves (121) are respectively arranged on the four corners of the floating plate (12); and the four arc grooves (121) are spliced ​​together to form the hole (11).

6. The combined experimental device for cultivating water purification plants and hanging water purification benthic animals in water bodies of different depths according to claim 5 is characterized in that: A floating plate lower half ring (2) is provided at the lower part of each floating plate (12), and the upper end of the steel cable (4) is detachably fixed to the floating plate lower half ring (2) via a lock buckle (3).

7. The combined experimental device for cultivating water purification plants and hanging water purification benthic animals in water bodies of different depths according to claim 1 is characterized in that: The hanging cage (6) comprises a cage body (61) and a top cover (9), one end of the top cover (9) is rotatably matched with one side of the top end of the cage body (61) through a hinge (8), and the other end of the top cover (9) is provided with a buckle lock (7), and the buckle lock (7) has two states: locked and unlocked. When the buckle lock (7) is in the unlocked state, the top cover (9) can be buckled or opened; when the buckle lock (7) is in the locked state, the top cover (9) is not allowed to leave the other end of the cage body (61).

8. The combined experimental device for cultivating water purification plants and hanging water purification benthic animals in water bodies of different depths according to claim 1 is characterized in that: The upper end of the top cover (9) is provided with a first connecting ring (5), and the lower end of the steel cable (4) is connected to the first connecting ring (5) via a lock buckle (3); A second connecting ring (10) is provided at the lower end of the cage body (61), and the second connecting ring (10) is used to connect the upper end of the steel cable (4) located below the cage body (61); The first connecting ring (5) and the second connecting ring (10) are made of stainless steel.

9. The combined experimental device for cultivating water purification plants and hanging water purification benthic animals in water bodies of different depths according to claim 1, characterized in that: The buoyancy member is a buoyancy ball (63) or a buoyancy plate.

10. The combined experimental device for cultivating water purification plants and hanging water purification benthic animals in water bodies of different depths according to claim 6, characterized in that: The floating plate (12) and the floating plate lower half ring (2) are formed by pressing in one piece, and adjacent floating plates (12) are bonded or connected by a connecting piece; The hanging cage (6) is welded from stainless steel wires.

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