CN112997942B - Coral protection structure for absorbing solar radiation - Google Patents
Coral protection structure for absorbing solar radiation Download PDFInfo
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- CN112997942B CN112997942B CN202110240049.4A CN202110240049A CN112997942B CN 112997942 B CN112997942 B CN 112997942B CN 202110240049 A CN202110240049 A CN 202110240049A CN 112997942 B CN112997942 B CN 112997942B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/70—Artificial fishing banks or reefs
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K33/00—Nest-eggs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The application relates to the technical field of coral reef protection, and provides a coral reef protection structure for absorbing solar radiation, which comprises a frame, a first fixing device and a second fixing device, wherein the frame is used for covering a coral reef to be protected; the degradable biological radiation-proof film is arranged on the frame and is used for absorbing solar radiation; and a fixing member for fixing the frame to the sea floor; the frame comprises a top part and a plurality of side parts, one end of each side part is detachably arranged on the top part, the other end of each side part is arranged on the sea bottom surface, each side part is arranged around the top part at intervals, and the degradable biological radiation-proof film is detachably arranged on the frame and covers the space between the two adjacent side parts. The application provides an absorption solar radiation's coral reef protective structure has the advantage that simple structure, adaptability are strong, environmental protection and radiation protection ability are good, can protect the coral effectively.
Description
Technical Field
The application belongs to the technical field of coral reef protection, and more specifically relates to a coral reef protection structure capable of absorbing solar radiation.
Background
The coral reef is a structure formed by calcium carbonate deposition under the common biological action of reef-building coral, reef-attaching organisms and algae, is known as 'tropical rainforest in the ocean', provides a reproduction place for abundant and various marine organisms, and is also known as one of very sensitive ecological systems. First, coral reefs, like "kindergartens" of fish and other marine life, provide a vast area for these life to live in protecting the diversity of marine life. Secondly, coral reefs play an important role in protecting shorelines from sea wave erosion. Moreover, the coral reef can also promote the development of the tourism industry and create more additional values.
However, coral reef systems in most regions of the earth are facing the threat of whitening. Coral albinism means that the symbiotic algae supplying energy to the coral leave or die. If the albation is severe, the coral will eventually die due to lack of nutrient supply, which in turn leads to deterioration or even disappearance of the coral reef.
The large-scale coral albinism event is closely and inseparably connected with solar radiation. Excessive solar radiation can limit the growth of the coral, because strong light can inhibit photosynthesis of symbiotic algae, and when the solar radiation is too strong and lasts for a long time, the photosynthesis system of the symbiotic algae can be damaged, so that the coral can selectively remove part of the symbiotic algae in the body, and further whitening death of the coral can occur.
At present, the domestic solutions for the coral reef whitening problem mainly focus on aspects of coral transplantation, seawater acidity reduction, seawater temperature reduction and the like, and solar radiation which is an important factor influencing coral whitening is not researched too much. Therefore, it is necessary to supplement the strong correlation factor of solar radiation with a corresponding scheme to effectively alleviate or prevent coral reef whitening.
Disclosure of Invention
An object of the embodiment of this application is to provide an absorption solar radiation's coral reef protective structure to solve the technical problem of the whitening phenomenon that causes the coral because of solar radiation among the prior art.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: provided is a coral reef prevention structure that absorbs solar radiation, including:
the frame is used for covering a coral reef to be protected;
the degradable biological radiation-proof film is arranged on the frame and is used for absorbing solar radiation; and the number of the first and second groups,
a fixing member for fixing the frame to the sea floor;
the frame comprises a top part and a plurality of side parts, one end of each side part is detachably arranged on the top part, the other end of each side part is arranged on the sea bottom surface, each side part is arranged around the top part at intervals, and the degradable biological radiation-proof film is detachably arranged on the frame and covers the space between the two adjacent side parts.
In one embodiment, the top part is a circular ring, and the degradable biological radiation-proof film is detachably arranged on the circular ring.
In one embodiment, the side members are arc-shaped rods, the top member is provided with a plurality of insertion grooves at intervals on the side surfaces thereof, one end of each arc-shaped rod is provided with an insertion portion, the top member is provided with a first mounting hole communicated with the insertion groove, the insertion portion is provided with a second mounting hole, the insertion portion is inserted into the insertion groove, the first mounting hole and the second mounting hole are coaxial, and a connecting member is arranged in the first mounting hole and the second mounting hole.
In one embodiment, the side of the arc-shaped rod close to the adjacent arc-shaped rod is provided with a first convex-shaped groove, a first convex-shaped fixing block is arranged in the first convex-shaped groove, and the degradable biological radiation-proof film is fixed in the first convex-shaped groove through the first convex-shaped fixing block and covers the frame.
In one embodiment, the first convex-shaped fixing block is provided with a plurality of first convex-shaped grooves, and the first convex-shaped grooves are provided with first loading ports for the first convex-shaped fixing block to slide into the first convex-shaped grooves.
In one embodiment, the upper surface of the circular ring is provided with a circle of second convex-shaped grooves, the second convex-shaped grooves are provided with second loading ports, and second convex-shaped fixing blocks are arranged in the second convex-shaped grooves.
In one embodiment, the degradable biological radiation-proof film comprises a plurality of sub-films, each sub-film covers the space between two adjacent arc-shaped rods or covers the circular ring, and the edge of each sub-film is provided with an anti-falling bulge.
In one embodiment, a connecting rod is arranged between the ends of the two adjacent arc-shaped rods far away from the top part.
In one embodiment, the frame is a calcium carbonate frame, a plurality of first small holes capable of accommodating coral worms are formed in the inner side of the frame, and a plurality of second small holes with the diameter larger than that of planktons are formed in the degradable biological radiation-proof film.
In one embodiment, the fixing member comprises a connecting cable and a weight block, one end of the connecting cable is bound on the side member, and the other end of the connecting cable is bound on the weight block; or the fixing piece comprises a connecting cable, a rope net and a balancing weight, and the rope net covers the frame and then is connected with the balancing weight through the connecting cable.
The application provides an absorb solar radiation's coral reef protective structure's beneficial effect lies in: absorb solar radiation through the biodegradable biological radiation protection membrane, thereby effectively alleviate or avoid the whitening phenomenon that the coral appears because of solar radiation, and simultaneously, the biodegradable biological radiation protection membrane is decomposed after a period of time, can not cause the pollution, and the equal detachable connection of frame and degradable biological radiation protection membrane, convenient equipment is like this with change, so that be applicable to the protection of different time quantums, make the coral reef protective structure who absorbs solar radiation that this application provided have the simplifications of structure, adaptability is strong, environmental protection and the advantage that the radiation protection ability is good, can protect the coral effectively.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram illustrating a framework structure of a coral reef protection structure for absorbing solar radiation according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a side member of a coral reef shielding structure for absorbing solar radiation provided by an embodiment of the application;
FIG. 3 is a schematic sectional view of a top member of a coral reef prevention structure capable of absorbing solar radiation according to an embodiment of the present application;
fig. 4 is a schematic cross-sectional structure view of a first fixing block and a second fixing block in a coral reef protection structure for absorbing solar radiation according to an embodiment of the present disclosure;
fig. 5 is a schematic top plan view illustrating a plurality of second fixing blocks shaped like a Chinese character 'tu' spliced into a circular ring in the coral reef protection structure for absorbing solar radiation according to the embodiment of the present application;
fig. 6 is a schematic cross-sectional structural view of a degradable biological radiation protection film mounted on a side member of a coral reef protection structure for absorbing solar radiation provided in an embodiment of the application;
fig. 7 is a schematic cross-sectional structural view of a degradable biological radiation protection film in a coral reef protection structure capable of absorbing solar radiation provided in the embodiment of the application;
fig. 8 is a schematic structural diagram of a fixing member in a coral reef protecting structure for absorbing solar radiation according to an embodiment of the present application.
Wherein, in the figures, the various reference numbers:
1. a frame; 11. a top piece; 111. inserting grooves; 112. a first mounting hole; 113. a second concave groove; 114. a second loading port; 12. a side member; 121. a plug-in part; 122. a second mounting hole; 123. a first concave groove; 124. a first loading port; 13. a connecting rod; 2. a biodegradable biological radiation-proof film; 21. the anti-drop bulge; 3. a fixing member; 31. connecting a cable; 32. a balancing weight; 33. a rope net; 5. a first convex-shaped fixed block; 6. and a second convex fixed block.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 8, a coral reef protection structure for absorbing solar radiation according to an embodiment of the present invention will be described. The coral reef protection structure capable of absorbing solar radiation comprises a frame 1, a degradable biological radiation protection film 2 and a fixing piece 3. Wherein the frame 1 is used for covering the coral reef to be protected; the degradable biological radiation-proof film 2 is arranged on the frame 1 and is used for absorbing solar radiation so as to protect coral in the coral reef against radiation; the mounting 3 is used for being fixed in frame 1 on the seabed face to guarantee that frame 1 can be stable cover the coral reef of treating the protection.
As shown in fig. 1 to 3, in the present embodiment, the frame 1 includes a top part 11 and a plurality of side parts 12, and the number of the side parts 12 may be six, eight, ten or more, and the number may be changed according to the size of the frame 1, and at the same time, the length of each side part 12 may be increased or shortened appropriately according to the marine terrain. Each side member 12 is detachably provided at one end thereof on the top member 11 and at the other end thereof on the sea floor, the top member 11 and the side members 12 being detachably connected, so that the production, transportation, assembly and maintenance of the frame 1 are facilitated to reduce costs; each side part 12 is arranged around the top part 11 at intervals, and the frame 1 is hemispherical as a whole, so that the outer side surface of the frame 1 is an arc-shaped surface, the impact force of seawater on the frame 1 is effectively reduced, and the stability of the frame 1 installed on the sea bottom surface is ensured; in this embodiment, as shown in fig. 1 and fig. 6, the biodegradable anti-radiation film 2 is detachably disposed on the frame 1 and covers the space between the two adjacent side members 12, so that the biodegradable anti-radiation film 2 can be replaced to meet the protection requirements of coral for different time periods.
The coral reef protection structure of absorption solar radiation that this application embodiment provided, absorb solar radiation through degradable biological radiation protection membrane 2, thereby effectively alleviate or avoid the coral whitening phenomenon that appears because of solar radiation, and simultaneously, degradable biological radiation protection membrane 2 is decomposed after a period of time, can not cause the pollution, and frame 1 and the equal detachable connection of degradable biological radiation protection membrane 2, convenient equipment and change like this, so that be applicable to the protection to the coral in different time quantums, make the coral reef protection structure of absorption solar radiation that this application embodiment provides have simple structure, adaptability is strong, environmental protection and the good advantage of radiation protection ability, can protect the coral effectively.
In this embodiment, the top member 11 is a circular ring, and the degradable biological radiation-proof membrane 2 is detachably disposed on the circular ring. The purpose that sets up like this is that increase the sun illumination area, guarantees the coral and to the normal demand of sun illumination, and degradable biological radiation protection membrane 2 is used for playing the radiation protection, prevents that the coral from appearing whitening phenomenon. In other embodiments, the top piece 11 is a circular disk.
As shown in fig. 1-3, in the present embodiment, the side members 12 are arc rods, the arc rods are used to form an arc surface of the frame 1, the top member 11 has a plurality of insertion grooves 111 at intervals on the side surface, an insertion portion 121 is disposed at one end of the arc rods, the top member 11 has a first mounting hole 112 communicating with the insertion grooves 111, the insertion portion 121 has a second mounting hole 122, the portion 121 to be inserted is inserted into the insertion groove 111, the first mounting hole 112 and the second mounting hole 122 are coaxial, and the first mounting hole 112 and the second mounting hole 122 have a connecting member, which is a bolt, a pin or a screw. The mounting of the side parts 12 and the top part 11 thus has the advantage of being convenient, quick and secure. Of course, the top member 11 and the side member 12 may be coupled together by bolts or wires or the like through the first mounting holes 112 and the second mounting holes 122.
As shown in fig. 1, fig. 2 and fig. 5, in this embodiment, the cross section of the arc-shaped rods is substantially rectangular, the side of the arc-shaped rod close to the adjacent arc-shaped rod is provided with a first concave-convex groove 123, a first concave-convex fixing block 5 is arranged in the first concave-convex groove 123, and the degradable biological radiation-proof membrane 2 is fixed in the first concave-convex groove 123 through the first concave-convex fixing block 5 and covers the frame 1. The degradable biological radiation-proof film 2 is detachably connected by matching the first convex-shaped fixing block 5 and the first convex-shaped groove 123, so that the damaged or degraded degradable biological radiation-proof film 2 can be conveniently replaced and timely supplemented, and the aim of preventing radiation of the coral within corresponding time is fulfilled. In other embodiments, the first u-shaped grooves 123 are disposed on the upper surfaces of the arc-shaped rods, and the degradable biological radiation protection film 2 covers the upper surface of the reforming frame 1, and then is fixed by the first u-shaped fixing blocks 5 on the plurality of arc-shaped rods. The peripheral surface of ring is equipped with the round gap, and the degradable biological radiation protection membrane 2 can peg graft in the gap of ring near the one end of ring.
Specifically, the first raised fixing blocks 5 are provided with a plurality of first insertion holes 124 for the first raised fixing blocks 5 to slide into the first raised grooves 123, the plurality of first raised fixing blocks 5 are spliced into an arc shape in the first raised grooves 123, and the first insertion holes 124 are used for facilitating installation of the first raised fixing blocks 5. During the installation, earlier laminate biodegradable anti-radiation film 2 on the surface of arc pole and cover first type of protruding font recess 123, then pack into first type of protruding font fixed block 5 from second loading mouth 114 to first type of protruding font recess 123 in, at this moment, first type of protruding font fixed block 5 supports degradable biological anti-radiation film 2 and presses in first type of protruding font recess 123 to pack into a plurality of first type of protruding font fixed blocks 5 in proper order, thereby accomplish the detachable installation of degradable biological anti-radiation film 2, convenient change.
As shown in fig. 1, 3 and 6, in the present embodiment, a circle of second convex-shaped grooves 113 is formed on the upper surface of the circular ring, a second loading opening 114 is formed on the second convex-shaped groove 113, and a second convex-shaped fixing block 6 is arranged in the second convex-shaped groove 113. The installation method of the degradable biological radiation protection film 2 arranged on the circular ring is the same as that of the degradable biological radiation protection film 2 on the arc-shaped rod. And, the kind of part and the complexity of structure are conveniently reduced like this, in order to facilitate production and reduce cost.
Specifically, in this embodiment, as shown in fig. 6 and 7, the degradable biological radiation protection film 2 includes a plurality of sub-films, each sub-film covers the space between two adjacent arc-shaped rods or covers the circular ring, the edge of each sub-film is provided with an anti-falling protrusion 21, the diameter or thickness of the anti-falling protrusion 21 is greater than the gap between the convex-shaped fixing block and the convex-shaped groove, so that the anti-falling protrusion 21 can ensure the firmness of the degradable biological radiation protection film 2 mounted on the frame 1.
As shown in fig. 1, in the embodiment, a connecting rod 13 is disposed between ends of two adjacent arc-shaped rods far away from the top component 11, two ends of the connecting rod 13 are respectively inserted into the two adjacent arc-shaped rods, and the insertion position of the connecting rod 13 is close to the first insertion opening 124, so that the connecting rod 13 can increase the overall structural strength of the frame 1, and on the other hand, can block the first insertion opening 124 to prevent the first fixing block 5 in the shape of a Chinese character 'tu' from falling out.
In this embodiment, frame 1 is the calcium carbonate frame, specifically uses calcium carbonate as the main material to add a small amount of magnesium oxide, iron oxide material in order to guarantee frame 1's overall structure intensity, frame 1 can be integrated with the coral reef in the later stage simultaneously, need not to retrieve and has increased the structural strength of coral reef. Specifically, set up a plurality of first apertures that can hold the coral worm on frame 1's the inboard (the one side that is close to the coral reef, inboard and the outside are separated through degradable biological radiation protection membrane 2), and first aperture can effectively hold the coral worm, provides the protection place for the coral worm, and the aperture of first aperture is 8-10 mm. In this embodiment, the degradable biological radiation-proof membrane 2 is provided with a plurality of second small holes with diameters larger than those of plankton, the plankton can enter the frame 1 through the second small holes so as to provide food for the coral worms, and the diameters of the second small holes are 3-5 mm. In this embodiment, the connecting rod 13 and the raised fixing block have the same composition as the frame 1, so that the environment is not polluted.
In this embodiment, the degradable biological radiation protection film 2 includes a linear low density polyethylene film layer and a radiation protection layer, the radiation protection layer is composed of barite, polytetrafluoroethylene and a polymer adhesive, the linear low density polyethylene film has the advantages of high strength, good toughness, high rigidity, good heat resistance and cold resistance, and has good environmental stress crack resistance, impact strength resistance, tear strength, acid and alkali resistance, and can be completely decomposed after a period of time, and is a friendly composite material without environmental pollution. Of course, other degradable biological radiation protection films such as plant fiber can also be used as the degradable biological radiation protection film 2.
As shown in fig. 8, in one embodiment of this embodiment, the fixing member 3 includes a connecting cable 31 and a weight 32, and one end of the connecting cable 31 is fixed to the side member 12 and the other end is fixed to the weight 32. Wherein, the connecting cable 31 is a nylon rope, a fiber rope or a stainless steel rope, and the mating block is a cement pier or an iron block. In another embodiment of this embodiment, the fixing member 3 includes a connecting cable 31, a rope net 33 and a weight 32, and the rope net 33 covers the frame 1 and is connected to the weight 32 through the connecting cable 31. The net 33 may increase the firmness of the frame 1 mounted on the sea floor surface, and the net 33 and the connecting cables 31 are preferably made of the same material, such as nylon rope or fiber rope.
According to the coral reef protection structure capable of absorbing solar radiation, the first component and the second component are detachably connected, so that the assembly and the production are convenient, the coral reef protection structure is suitable for different terrains, and different coral reefs can be protected conveniently; secondly, the degradable biological radiation-proof film 2 is detachably arranged, so that the damaged or degraded degradable biological radiation-proof film 2 can be replaced according to actual conditions, the radiation-proof effect on the coral reef is ensured, and the degradable biological radiation-proof film can be replaced according to different positions of the frame 1, so that the protection effect has pertinence and effectiveness; thirdly, the final frame 1 of the protective structure can be integrated with the coral reef, so that the coral reef is protected, and the recovery and maintenance cost is reduced; fourth, the protective structure has wide material source, convenient material acquisition, low cost, relatively simple structure and convenient manufacture.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (7)
1. A coral reef prevention structure that absorbs solar radiation, comprising:
a frame (1) for covering a coral reef to be protected;
the degradable biological radiation-proof film (2) is arranged on the frame (1) and is used for absorbing solar radiation; and (c) a second step of,
a fixing member (3) for fixing the frame (1) to the sea floor;
the frame (1) comprises a top part (11) and a plurality of side parts (12), one end of each side part (12) is detachably arranged on the top part (11), the other end of each side part is arranged on the sea bottom surface, each side part (12) is arranged around the top part (11) at intervals, and the degradable biological radiation protection film (2) is detachably arranged on the frame (1) and covers the interval between the two adjacent side parts (12);
the top part (11) is a circular ring, and the degradable biological radiation-proof film (2) is detachably arranged on the circular ring;
the side parts (12) are arc-shaped rods, a plurality of inserting grooves (111) are arranged on the side surface of the top part (11) at intervals, an inserting part (121) is arranged at one end of each arc-shaped rod, a first mounting hole (112) communicated with the inserting grooves (111) is formed in the top part (11), a second mounting hole (122) is formed in the inserting part (121), the inserting part (121) is inserted into the inserting groove (111), the first mounting hole (112) and the second mounting hole (122) are coaxial, and connecting parts are arranged in the first mounting hole (112) and the second mounting hole (122); the arc pole is close to adjacent the side of arc pole is equipped with first type of calligraphy recess (123), be equipped with first type of calligraphy fixed block (5) in first type of calligraphy recess (123), degradable biological radiation protection membrane (2) pass through first type of calligraphy fixed block (5) are fixed in first type of calligraphy recess (123) and cover in on frame (1).
2. The coral reef prevention structure absorbing solar radiation of claim 1 wherein: the first convex-shaped fixing blocks (5) are arranged in a plurality of numbers, and a first loading opening (124) for allowing the first convex-shaped fixing blocks (5) to slide into the first convex-shaped grooves (123) is formed in the first convex-shaped grooves (123).
3. The coral reef prevention structure absorbing solar radiation of claim 2 wherein: the upper surface of ring is equipped with round second type of convexity recess (113), be equipped with second dress mouth (114) on second type of convexity recess (113), be equipped with second type of convexity fixed block (6) in second type of convexity recess (113).
4. The coral reef prevention structure absorbing solar radiation as claimed in claim 3, wherein: the degradable biological radiation-proof film (2) comprises a plurality of sub-films, each sub-film covers the space between two adjacent arc-shaped rods or covers the circular ring, and the edge of each sub-film is provided with an anti-falling bulge (21).
5. The coral reef prevention structure absorbing solar radiation as claimed in claim 3, wherein: a connecting rod (13) is arranged between one ends of the two adjacent arc-shaped rods far away from the top part (11).
6. The coral reef prevention structure absorbing solar radiation as claimed in any one of claims 1 to 5, wherein: the frame (1) is a calcium carbonate frame, a plurality of first small holes capable of accommodating coral worms are formed in the inner side of the frame (1), and a plurality of second small holes with diameters larger than planktons are formed in the degradable biological radiation-proof film (2).
7. The coral reef prevention structure absorbing solar radiation as claimed in any one of claims 1 to 5, wherein: the fixing piece (3) comprises a connecting cable (31) and a balancing weight (32), one end of the connecting cable (31) is bound on the side part (12), and the other end of the connecting cable is bound on the balancing weight (32); or the fixing piece (3) comprises a connecting cable (31), a cable net (33) and a balancing weight (32), and the cable net (33) covers the frame (1) and then is connected with the balancing weight (32) through the connecting cable (31).
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