Detachable equipment for floating photovoltaic marine organism removing cable net and mounting method

Abstract

The invention relates to the technical field of photovoltaic power generation, in particular to a floating photovoltaic marine organism removal cable net detachable device and an installation method.The floating photovoltaic marine organism removal cable net detachable device comprises a plurality of floating type fan systems arranged in different directions and comprises a floating type photovoltaic array and a suppression net structure, and the floating type photovoltaic array comprises a plurality of floating bodies arranged side by side at intervals; the floating bodies are connected through reinforcing cables, a floating ball is arranged on the water surface between every two adjacent floating bodies in a floating mode, the restraining net structure comprises an attachment net arranged between the floating bodies and the floating balls in a shuttling mode, and the floating bodies and the floating balls are located above and below the attachment net respectively. The bottoms of the floating bodies on the two outermost sides in the width direction of the floating type photovoltaic array are detachably connected with the two side edges of the attachment net. The floating photovoltaic array is simple in structure and convenient to replace, the increase of the weight of the floating body by marine organisms is reduced, and the east-west structural strength of the floating photovoltaic array is enhanced.

Description

Technical Field

[0001] The invention relates to the technical field of photovoltaic power generation, and in particular to a detachable floating photovoltaic marine organism removal cable net and an installation method. Background Art

[0002] Floating photovoltaics use a floating foundation to provide buoyancy for photovoltaic modules and electrical equipment, allowing them to float on the water surface and avoid being immersed in water and causing damage. It can fully utilize the light resources in the water to generate electricity and has the advantage of not occupying land area. The ocean area is vast and the development potential of floating photovoltaics is huge. During the long-term operation of floating photovoltaic floats in the marine environment, seaweed, barnacles, oysters and other marine organisms will attach and breed on the underwater part, causing the surface of the underwater float to be contaminated, increasing the surface roughness and environmental load of the float. At the same time, the growth and weight gain of marine organisms consume the buoyancy of the float, which can easily lead to problems such as electrical equipment being immersed in water. In the Bohai Sea area, the thickness of marine organisms in 5 years is about 13-21cm, and the maximum can reach 23cm, with a density of about 1.3-1.4t / m 3 . For marine navigation structures such as ships, docks or mechanical equipment will be regularly entered to clean surface marine organisms. Marine structures such as oil platforms use reinforced steel structures and regular maintenance methods to resist the adverse effects of marine organism attachment. Patent CN118751577A discloses a marine oil platform pile leg marine organism removal and prevention device, which uses a hydraulic scraper to regularly remove attached marine organisms on the pile legs; Patent CN118306539A discloses an underwater ship cleaning robot, which uses an electric hard steel brush disc and a rotating cavitation jet to remove marine organisms. These solutions are mainly aimed at rigid structures with relatively regular shapes. Floating photovoltaics have the characteristics of large array area and flexible connection of multiple structures. They are not suitable for towing back to the dock, scraping with steel scrapers, etc. to remove attached marine organisms. Manual removal has problems such as work dangers and low efficiency. Reducing the negative impact of marine organisms is an important challenge for the development of floating photovoltaics at sea. Summary of the invention

[0003] In order to solve the deficiencies in the prior art, the purpose of the present invention is to propose a floating photovoltaic marine organism removal cable net detachable equipment and installation method, which is mainly suitable for offshore waters with small waves. The most important feature of the present invention is that a flexible cable net structure is closely fitted with the surface of the floating body, so that marine organisms attach to the surface of the cable net structure, and the purpose of reducing the attachment of marine organisms is achieved by regularly replacing the cable net structure. The present invention has a simple structure and is easy to replace, which reduces the increase in the weight of the floating body by marine organisms and enhances the east-west structural strength of the floating photovoltaic array.

[0004] In order to solve the above technical problems, the present invention is implemented by the following technical solutions:

[0005] On the one hand, the present invention provides a floating photovoltaic marine biological removal cable net detachable equipment, including a floating photovoltaic array and a suppression net structure, the floating photovoltaic array includes a plurality of floats arranged in parallel and at intervals, each of the floats is connected by a reinforcing cable, a buoy is arranged floating on the water surface between each two adjacent floats, the suppression net structure includes an attachment net shuttled between the floats and the buoys, and the floats and the buoys are respectively located above and below the attachment net, and the bottom of the outermost floats on the width direction of the floating photovoltaic array are detachably connected to the two side edges of the attachment net.

[0006] As a further optimization scheme of the present invention, the suppression net structure also includes a slide rail support detachably connected to the bottom of the floating body on the outermost sides, the bottom of the slide rail support is detachably connected with a slide rail, the length direction of the slide rail is consistent with the length direction of the floating body, and slide rail buckles that slide with the slide rail are installed on both sides of the attachment net.

[0007] As a further optimization solution of the present invention, both sides of the slide rail in the width direction are provided with card slots, and the cross-section of the slide rail buckle is a T-shaped structure and is adapted to the card slots.

[0008] As a further optimization solution of the present invention, the attachment net is firmly connected to the contact surface of the floating body.

[0009] As a further optimization solution of the present invention, the mesh size of the attachment net is uniform.

[0010] As a further optimization scheme of the present invention, the attachment net is composed of a connecting net with uneven mesh sizes and an attachment membrane, the connecting net is arranged correspondingly in the water surface area between the floating bodies, and the attachment membrane is arranged correspondingly below the floating bodies and the reinforcing cables.

[0011] As a further optimization solution of the present invention, the attachment membrane is made of a water-permeable membrane material.

[0012] As a further optimization solution of the present invention, the reinforcing cable is installed on the upper surface of the floating body and is located above the attachment net.

[0013] As a further optimization solution of the present invention, the reinforcing cable adopts a flexible steel wire rope or a polyester cable.

[0014] In another aspect, the present invention provides a method for installing the floating photovoltaic marine organism removal cable net detachable equipment, comprising the following steps:

[0015] S1. Install reinforcing cables on the floating body of the floating photovoltaic array;

[0016] S2. Install the slide rail supports and slide rails at the bottom of the floating bodies on the outermost sides in the width direction of the floating photovoltaic array;

[0017] S3, placing the buoy in the uncovered water area between the floats;

[0018] S4. Install the rail buckles on both sides of the attachment net. Install the rail buckles from one end of the rail in sequence and continue to drag it toward the other end. During the dragging process, always keep the attachment net above the buoy and below the floating body until the attachment net covers the entire floating photovoltaic array.

[0019] S5, fix the attachment net on the floating photovoltaic array, then remove the slide rail support and the slide rail, transfer to another floating photovoltaic array, and repeat steps S1-S4 for installation; after all the attachment nets are installed, remove the slide rail structure, clean it and repair the anti-corrosion coating;

[0020] S6. After the floating photovoltaic system has been running for a certain period, the attachment net and the marine organisms growing on it are removed, and a new attachment net is installed starting from step S2.

[0021] The floating photovoltaic marine organism removal cable net detachable equipment and installation method proposed in the present invention aims at the marine organism attachment problem faced by floating photovoltaic in the marine environment, and achieves multiple beneficial effects through a series of unique technical designs:

[0022] 1. The present invention adopts an attachment net to replace the floating body surface for marine organisms to attach and grow. In the marine environment, the long-term operation of floating photovoltaic floating bodies will face the problem of marine organism attachment. For example, in the Bohai Sea area, the thickness of marine organisms in 5 years can reach 13-21cm, the maximum is 23cm, and the density is about 1.3-1.4t / m 3 . These marine organisms attach to the surface of the float, which will increase the surface roughness and environmental load of the float, and also consume the buoyancy of the float. The present invention effectively reduces the amount of marine organisms attached by regularly replacing the attachment net, thereby reducing the deadweight of the floating photovoltaic and the surface roughness of the float, avoiding underwater cleaning operations, reducing the occupation of the buoyancy of the float, and ensuring the normal operation of the photovoltaic array.

[0023] 2. The attachment net is replaced and installed with a detachable slide rail device. The slide rail support is installed on both sides of the floating photovoltaic array, and a rigid slide rail is installed at the bottom. The slide rail buckles installed on both sides of the attachment net can slide freely on the slide rail. During installation, the slide rail buckle is installed from one end of the slide rail and dragged until the attachment net covers the entire array. After the installation is completed, the slide rail device can be removed and transferred to other arrays for reuse. This design saves manpower and material resources, the slide rail device can be reused, the number of equipment is reduced, and the cost is reduced.

[0024] 3. The buoy is installed in the uncovered water area between the floating bodies and below the attachment net. Its top is above the water surface, supporting the attachment net upward so that the attachment net fits tightly against the submerged part of the floating photovoltaic floating body. This design avoids the situation where the attachment net is separated from the floating body by gravity, causing marine organisms to grow on the floating body surface without connection to the attachment net, thereby improving the efficiency of the attachment net in cleaning marine organisms. At the same time, the contact surface between the attachment net and the floating body is tightly connected, and through multi-point tightening, it is further ensured that the attachment net fits tightly against the floating body, effectively increasing the probability of marine organisms growing on the attachment net and the effect of cleaning marine organisms.

[0025] 4. The reinforcing cable is made of flexible steel wire rope or polyester cable, which is installed on the upper surface of the floating body and above the attachment net. One cable is arranged for each row of floating bodies. After being straightened, it is connected to the fastening device on the floating body and maintains a certain tension. When the floating body is subjected to tensile load, the load mainly acts on the reinforcing cable, which improves the tensile resistance of the floating structure, enhances the east-west structural strength of the floating photovoltaic array, and ensures the stability of the photovoltaic array in a complex marine environment.

[0026] 5. The attachment net is flexible in design. It can be a net with uniform mesh size or a connection net and attachment membrane with uneven mesh size. The connection net is arranged in the water surface area between the floating bodies. It has a larger mesh size and is used to connect multiple attachment membranes. The attachment membrane is arranged under the floating bodies and the reinforcing cables. It uses a permeable membrane material and is more suitable for marine organism adsorption. This design can meet the attachment needs of marine organisms in different areas and further improve the marine organism cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the installation structure of the floating photovoltaic array and the reinforcement cable;

[0028] Figure 2 Schematic diagram of the plan structure of the detachable equipment for floating photovoltaic marine organism removal cable net;

[0029] Figure 3 It is a schematic diagram of the installation structure of the floating body and the slide rail;

[0030] Figure 4 is a schematic diagram of the cross-sectional structure of the slide rail;

[0031] Figure 5 is a schematic diagram of the cross-sectional structure of the attachment net;

[0032] Figure 6 It is a schematic diagram of the installation structure of the floating body, the floating ball and the attachment net;

[0033] Figure 7 A schematic diagram of the structure of an attachment net according to an embodiment;

[0034] Figure 8FIG. 4 is a schematic structural diagram of an attachment net according to another embodiment.

[0035] Figure numerals: 1. floating photovoltaic array; 11. floating body; 2. reinforcing cable; 3. suppression net structure; 31. slide rail; 32. slide rail support; 33. slide rail buckle; 34. attachment net; 35. connecting net; 36. attachment film; 4. buoy. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the embodiments in the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0037] It is obvious to those skilled in the art that various modifications and changes can be made in the present application without departing from the spirit or scope of the present application. Therefore, the present application is intended to cover modifications and changes of the present application that fall within the scope of the corresponding claims (technical solutions for protection) and their equivalents. It should be noted that the implementation methods provided in the embodiments of the present application can be combined with each other without contradiction.

[0038] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0039] As described in the background technology section, designing and manufacturing a detachable floating photovoltaic marine bioremoval cable net and an installation method are of great research significance.

[0040] In view of this, please refer to Figure 1-Figure 2 The embodiment of the present application provides a floating photovoltaic marine biological removal cable net detachable equipment and installation method, which relates to the field of photovoltaic power generation technology, including a floating photovoltaic array 1, a reinforcing cable 2, a suppression net structure 3 and a buoy 4.

[0041] Optionally, in one embodiment of the present application, see Figure 1 The floating photovoltaic array 1 is composed of a plurality of floating bodies 11, which are used to support photovoltaic modules and electrical equipment floating on the water surface. The reinforcing cables 2 are made of flexible steel wire ropes or polyester cables, and one is arranged on each row of floating bodies 11. After the reinforcing cables 2 are straightened, they are connected to the fastening devices on the floating bodies 11 to maintain a certain tension. When the floating bodies 11 are subjected to a certain tensile load, the load will mainly act on the reinforcing cables 2, thereby improving the tensile resistance of the floating body 11 structure. A buoy 4 is arranged to float on the water surface between each two adjacent floating bodies 11. The reinforcing cables 2 are installed on the upper surface of the floating bodies 11 and are located above the attachment net 34.

[0042] Optionally, in one embodiment of the present application, see Figure 3-Figure 6 The suppression net structure 3 includes an attachment net 34 and a slide rail 31 device, wherein the attachment net 34 is arranged between the floating body 11 and the floating ball 4, and the floating body 11 and the floating ball 4 are respectively located above and below the attachment net 34. Under the buoyancy of the floating ball 4, the attachment net 34 between the floating bodies 11 is arched upward, so that the attachment net 34 and the floating body 11 are closely attached and maintain a certain tension.

[0043] The slide rail 31 device includes a slide rail 31, a slide rail support 32 and a slide rail buckle 33. The slide rail support 32 is evenly arranged at the bottom of the floating body 11 on the outermost sides of the width direction of the floating photovoltaic array 1, and is fixed to the floating body 11 by buckles. The slide rail 31 is fixed to the slide rail support 32 by fasteners and spliced ​​in sections. The length direction of the slide rail 31 is consistent with the length direction of the floating body 11. The attachment net 34 is a mesh-like flexible structure, and the slide rail buckles 33 are evenly installed on both sides of the width direction. The cross-section of the slide rail buckle 33 is a T-shaped structure, which can be installed from the end to the card slot of the slide rail 31, and will not fall off during the sliding process. After the attachment net 34 is arranged, the attachment net 34 is fastened to the floating body 11 around and in the middle by means of cable ties or fasteners to prevent the attachment net 34 from sagging and creating a large gap with the floating body 11.

[0044] See also Figure 7 In one embodiment of the present application, the attachment net 34 has a uniform mesh size, and the mesh size is the same in the area where the floats 11 fit and in the area between the floats 11.

[0045] See also Figure 8 In one embodiment of the present application, the attachment net 34 is composed of a connection net 35 with uneven mesh sizes and a grid-like attachment film 36. The connection net 35 is arranged correspondingly in the water surface area between the floating bodies 11, and has a larger mesh size, and is mainly used to connect multiple attachment films 36 into a whole to cover the entire floating photovoltaic array 1; the grid-like attachment film 36 is arranged correspondingly under the floating body 11 and the reinforcing cable 2, and the attachment film 36 is made of a permeable membrane material, which is more suitable for marine organism adsorption.

[0046] It is understandable that when the attachment net 34 with uniform mesh size is used, its consistent structure forms a relatively uniform marine organism attachment environment at the bottom of the entire floating photovoltaic array 1. In waters with relatively stable conditions such as water flow and light, the uniform mesh can ensure that the distribution of marine organisms on the attachment net 34 is relatively balanced, which is convenient for the overall replacement and cleaning of the attachment net 34 in the later stage. Moreover, this uniformity helps to reduce the water flow turbulence caused by mesh differences, reduce the impact on the stability of the photovoltaic array, and make the floating photovoltaic system more stable and reliable during operation. The attachment net 34 composed of the connection net 35 and the attachment film 36 with uneven mesh sizes has a targeted design that brings more efficient marine organism attachment management effects. The connection net 35 in the area between the floating bodies 11 adopts a larger mesh size, which can reduce the water flow resistance and reduce the interference with the overall buoyancy and stability of the photovoltaic array on the one hand; on the other hand, the larger mesh also facilitates the circulation of seawater, provides a suitable living environment for marine organisms, and makes them more inclined to attach to this area. The corresponding attachment membranes 36 below the floating body 11 and the reinforcing cable 2 are made of permeable membrane materials. The permeable membrane can ensure the exchange of seawater, maintain the survival of marine organisms, and increase the probability of marine organism attachment.

[0047] In one embodiment of the present application, a method for installing a detachable floating photovoltaic marine organism removal cable net comprises the following steps:

[0048] S1. Install the reinforcing cable 2 in the east-west direction on the floating body 11 of the floating photovoltaic array 1. After the reinforcing cable 2 is straightened, it is fixedly connected to the floating body 11 through a clamp or a buckle. A certain gap is left between the cable and the floating body 11 or a gasket is installed to prevent the floating body 11 from being worn and damaged;

[0049] S2, installing the slide rail support 32 and the slide rail 31 at the bottom of the floating bodies 11 on the outermost sides in the width direction of the floating photovoltaic array 1;

[0050] S3, placing the buoy 4 in the uncovered water area between the buoys 11;

[0051] S4, install the rail buckles 33 on both sides of the attachment net 34, install the rail buckles 33 from one end of the rail 31 in sequence, and continue to drag to the other end, and keep the attachment net 34 above the floating ball 4 and below the floating body 11 during the dragging process, until the attachment net 34 covers the entire floating photovoltaic array 1;

[0052] S5, fix the attachment net 34 on the floating photovoltaic array 1, then remove the slide rail support 32 and the slide rail 31, transfer to another floating photovoltaic array 1, and repeat steps S1-S4 for installation; after all the attachment nets 34 are installed, remove the slide rail 31 structure, clean it and repair the anti-corrosion coating;

[0053] S6. After the floating photovoltaic system has been running for a certain period, the attachment net 34 and the marine organisms growing thereon are removed, and a new attachment net 34 is installed starting from step S2.

[0054] The present invention proposes a detachable floating photovoltaic marine organism removal cable net and an installation method. Compared with the prior art, the present invention effectively reduces the number of marine organisms attached to the floating photovoltaic array by regularly replacing the attachment net structure, reduces the occupation of the buoyancy of the photovoltaic array float by marine organisms and the increase in hydrodynamic load caused by the increase in the roughness of marine organisms; the attachment net structure adopts a detachable slide rail for rapid installation, and the installation is simple and convenient, and the disassembly is convenient, which can reduce the underwater operation time and personnel, and improve the operation efficiency and equipment utilization rate; the buoy and the attachment net are fastened at multiple points to ensure that the attachment net is tightly fitted to the float, effectively increasing the probability of marine organisms growing on the attachment net and the marine organism cleaning effect.

[0055] The above is only a preferred embodiment of the present invention, but the present invention is not limited to the above specific embodiments. Those skilled in the art may make some modifications, supplements or replace with similar methods without departing from the principle of the present invention, which should also be regarded as the protection scope of the present invention. However, the possibility of using other terms cannot be excluded. The use of these terms is only to more conveniently describe and explain the essence of the present invention. It is contrary to the spirit of the present invention to interpret them as any additional restrictions.

Claims

1. A floating photovoltaic marine organism removal cable net detachable equipment, characterized in that: The invention comprises a floating photovoltaic array (1) and a suppression net structure (3), wherein the floating photovoltaic array (1) comprises a plurality of floating bodies (11) arranged in parallel and at intervals, wherein the floating bodies (11) are connected to each other via reinforcing cables (2), and a buoy (4) is arranged to float on the water surface between each two adjacent floating bodies (11), and the suppression net structure (3) comprises an attachment net (34) arranged to shuttle between the floating bodies (11) and the buoy (4), and the floating bodies (11) and the buoy (4) are respectively located above and below the attachment net (34), and the bottoms of the floating bodies (11) on the outermost sides in the width direction of the floating photovoltaic array (1) are detachably connected to the two sides of the attachment net (34).

2. The detachable floating photovoltaic marine organism removal cable net equipment according to claim 1 is characterized by: The suppression net structure (3) also includes a slide rail support (32) detachably connected to the bottom of the floating body (11) on the outermost two sides, and the bottom of the slide rail support (32) is detachably connected to a slide rail (31), and the length direction of the slide rail (31) is consistent with the length direction of the floating body (11), and slide rail buckles (33) that slidably cooperate with the slide rail (31) are installed on both sides of the attachment net (34).

3. The detachable floating photovoltaic marine organism removal cable net equipment according to claim 1 is characterized by: The slide rail (31) is provided with a clamping groove on both sides in the width direction, and the slide rail buckle (33) is adapted to the clamping groove.

4. The detachable floating photovoltaic marine organism removal cable net equipment according to claim 1 is characterized by: The attachment net (34) is firmly connected to the contact surface of the floating body (11).

5. The detachable floating photovoltaic marine organism removal cable net equipment according to claim 1 is characterized by: The mesh size of the attachment net (34) is uniform.

6. The detachable floating photovoltaic marine organism removal cable net equipment according to claim 1 is characterized by: The attachment net (34) is composed of a connection net (35) with uneven mesh sizes and an attachment film (36). The connection net (35) is arranged correspondingly in the water surface area between the floating bodies (11), and the attachment film (36) is arranged correspondingly below the floating bodies (11) and the reinforcing cables (2).

7. The detachable floating photovoltaic marine organism removal cable net equipment according to claim 6 is characterized by: The attachment film (36) is made of a water-permeable film material.

8. The detachable floating photovoltaic marine organism removal cable net equipment according to claim 1 is characterized by: The reinforcing cable (2) is installed on the upper surface of the floating body (11) and is located above the attachment net (34).

9. The detachable floating photovoltaic marine organism removal cable net equipment according to claim 1 is characterized by: The reinforcing cable (2) is made of flexible steel wire rope or polyester cable.

10. A method for installing a detachable floating photovoltaic marine organism removal cable net as claimed in any one of claims 1 to 9, characterized in that: The steps include: S1. Installing a reinforcing cable (2) on a floating body (11) of a floating photovoltaic array (1); S2, installing slide rail supports (32) and slide rails (31) at the bottom of the floating bodies (11) on the outermost sides in the width direction of the floating photovoltaic array (1); S3, placing the buoy (4) in the uncovered water area between the floating bodies (11); S4, installing the slide rail buckles (33) on both sides of the attachment net (34), installing the slide rail buckles (33) from one end of the slide rail (31) in sequence, and continuously dragging the slide rail buckles (33) toward the other end, and during the dragging process, always keeping the attachment net (34) above the floating ball (4) and keeping the attachment net (34) below the floating body (11), until the attachment net (34) covers the entire floating photovoltaic array (1); S5, fixing the attachment net (34) on the floating photovoltaic array (1), then removing the slide rail support (32) and the slide rail (31), transferring to another floating photovoltaic array (1), and repeating steps S1-S4 for installation; after all the attachment nets (34) are installed, removing the slide rail (31) structure, cleaning it, and repairing the anti-corrosion coating; S6. After the floating photovoltaic system has been running for a certain period, the attachment net (34) and the marine organisms growing thereon are removed, and a new attachment net (34) is installed starting from step S2.

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