129 results about "Artificial reef" patented technology

The utility model relates to an artificial fish reef stichopus japonicus proliferation catching technology, in particular to a stichopus japonicus trapping device for an artificial fish reef area. The device adopts a net cage structure, a net cage frame is made of corrosion-resistant metal profiles or PE profiles, soft nylon nettings are fixed on the net cage frame to form the bottom of the net cage and the periphery of the cage body, and movable doors which are movably connected and can be opened and closed are arranged on the periphery of the cage body of the net cage, so that the stichopus japonicus in an artificial fish reef area can enter the cage body. According to the arrangement form and scale of an artificial fish reef area, fixed-point pile arrangement and throwing of the stichopus japonicus catching device are carried out, the stichopus japonicus catching device can be independently used and can be arranged in rows for use, arrangement is convenient, use is flexible, and the stichopus japonicus catching device is suitable for being used in various different artificial fish reef construction sea areas.

An artificial reef module for marine ecosystem restoration comprises a base having a lattice configuration and one or more poles projecting upwardly from the base and configured to support one or more artificial inhabitation units e.g., made by 3D printing, extrusion, pultrusion, or mold specific clay. The module can be configured with one or more of the artificial inhabitation units mounted on the poles, where each inhabitation unit may comprise a plurality of holes formed therein.

The invention discloses an artificial biological reef for naturally repairing coral, a system and a preparation method. The artificial biological reef body comprises a main body structure made of a cement-based composite material, and at least one hollow cavity is formed in the main body structure; the ecological through holes penetrate through the wall thickness of the main body structure and are used for promoting water flow exchange and marine organism channels; the biological affinity surface layer is arranged on the surface of the main body structure, is made of cement-based materials mixed with seaweed extracts and has rough textures so as to promote attachment of coral larvae; and a reinforcing framework formed by a corrosion-resistant fiber reinforced material embedded in the main body structure improves the overall structural strength and impact resistance. The system comprises a plurality of reefs, special connecting pieces and a foundation stabilizing platform, and can be combined into an array for simulating a natural reef space structure. The preparation method comprises the steps of seaweed extract preparation, bioactive slurry preparation, assembly prefabrication, integrated pouring forming, maintenance and function integration, and preparation of the eco-friendly, stable-structure and multifunctional artificial reef is achieved.

The utility model is suitable for the field of artificial fish reef equipment, and provides an artificial fish reef unit which comprises a fish reef unit body which is formed by multiple faces in a surrounding mode, a channel is formed in the fish reef unit body, and the side wall of the fish reef unit body is of a multi-layer structure, an opening is formed in the side wall of the fish reef unit body. Therefore, the sinking and floating effects of the artificial fish reef units are changed by changing the filling materials in the filling gaps, and the artificial fish reef units are regular in shape and convenient to arrange.

The utility model relates to a combined artificial fish reef with a light structure, which is formed by assembling a plurality of functional parts made of HDPE (high-density polyethylene) materials on a steel structure frame, and the HDPE materials have the advantages of high hardness, aging resistance, decomposition resistance, no toxicity, no odor and light weight. The light weight of the reef body can be guaranteed, and deposition is prevented; meanwhile, the plasticity of the material is higher, a more complex space structure can be achieved, more living space is provided for benthic organisms, development of bottom sowing proliferation is facilitated, and economical efficiency and applicability are high.

This invention discloses a device and method for the propagation, release, and rewilding training of large yellow croaker fry, relating to the field of marine biological resource conservation technology. The device includes: a water tank containing water, with multiple artificial reefs placed inside; a light source positioned above the water tank; multiple wave-making pumps evenly distributed along one side of the inner wall of the water tank; a release structure for releasing predator pheromones into the water tank; a camera mounted on the inner wall of the water tank; and a controller electrically connected to the camera, light source, and wave-making pumps. The camera collects behavioral characteristic information of the large yellow croaker during rewilding training and sends this information to the controller. A fish behavior analysis system comprehensively analyzes the swimming and reef usage of the large yellow croaker fry in the water tank to determine the effectiveness of the rewilding training. The advantages of this invention are enhanced ability of large yellow croaker fry to adapt to the marine environment and improved survival rate of released fry.

This item is an artificial reef used to create seaweed beds.

This invention discloses an acoustic assessment method for the attitude of artificial reefs. Based on side-scan sonar images, noise reduction is performed using two-dimensional empirical mode decomposition. Targets and their shadow contours in the images are extracted using fuzzy C-means and horizontal clustering algorithms. The image shadow contours are matched with shadow contours from a constructed 3D reef model library to estimate the reef's tilt angle. The height and subsidence of the reef are estimated based on the geometric relationship between the towed fish, the target length, and the shadow length, thus achieving the assessment of the artificial reef's attitude. This invention leverages the fast computation speed of fuzzy C-means clustering and the high segmentation accuracy of horizontal clustering to achieve rapid and accurate target segmentation in side-scan sonar images. Matching the target shadow contours in the side-scan sonar images with the projected contours of the constructed 3D artificial reef model enables the assessment of the artificial reef's attitude.

The present invention highlights the use of an innovative submersible structure made of concrete enriched with dead algae to promote marine biodiversity. This biodegradable material ensures better integration into aquatic ecosystems while providing a sustainable habitat for marine organisms. Furthermore, the integration of modern technologies such as sensors, sounders, cameras, GPS, modems, and underwater drones is highlighted in both texts. These tools enable real-time monitoring of artificial reefs, ensuring precise tracking of changes in marine habitats and local ecosystems. This monitoring ensures not only effective management of marine ecosystems but also enhanced protection against threats such as coastal erosion. Finally, both sections agree on the environmental and economic benefits of the project. In addition to promoting marine conservation, this invention paves the way for sustainable activities, including ecotourism, while emphasizing ecological sustainability and technological innovation. The project thus illustrates a holistic approach to addressing the environmental challenges linked to the degradation of marine ecosystems. The project represents a significant step forward in the management of marine ecosystems thanks to the combination of modern technological solutions and innovative, eco-friendly materials. By combining biodegradable artificial reefs with advanced monitoring devices, this solution offers an integrated approach to restoring marine biodiversity, protecting coastlines, and promoting sustainable activities. It represents an exemplary model of responsible and technological development, meeting current environmental conservation needs while offering viable economic opportunities.

The application discloses a kind of alkalinity slow-release materials and preparation method for promoting carbon sequestration and sink in marine artificial reef.The alkalinity slow-release material includes magnesium hydroxide, sodium carbonate, glutaraldehyde, cement, three light methyl aminomethylane buffer and water.Sodium carbonate, magnesium hydroxide and glutaraldehyde are mixed with cement, then water and three light methyl aminomethylane buffer are added for stirring.After sufficient stirring, the alkalinity slow-release material is obtained by setting and solidifying in a mold.The magnesium hydroxide and sodium carbonate of slow-release material react with free acid ions in water body to generate soluble salt that can be absorbed and salt that inhibits the growth of algae.The slow-release material increases the CO2 absorption capacity of water body and has no adverse effects on the environment.It can also be used to make artificial reefs, which can adjust the alkalinity of seawater and promote the growth of corals in addition to the function of transplantation and fixation.By using the slow-release material, the alkalinity of seawater can be maintained within a certain range, CO2 absorption and seawater acidification can be reduced, which is helpful for the recovery of coral reef community and promotes carbon sequestration and sink in seawater.

The invention discloses an artificial fish reef and an artificial fish reef putting method, and belongs to the technical field of water ecological restoration and fishery engineering. The artificial fish reef comprises a reef body, an anchoring structure and a take-up structure. The reef body is of a reinforced concrete frame structure, a bottom plate is closed, other faces are open, protective nets and cross beams are arranged on the side portions, the cross beams are connected through connecting rods, and planting boxes can be installed on the connecting rods. The anchoring structure comprises an anchor hook and an anchor chain, and the take-up structure comprises a take-up box, a take-up roller, a spring and a spring trigger assembly. Through cooperation of the trigger rod and the limiting rod, automatic retracting, releasing and anchoring of the anchor chain are achieved, the structure is stable, installation is convenient and fast, water flow scouring can be effectively reduced, the survival rate of submerged plants is increased, a spawning and inhabiting place is provided for fishes, and the fish gathering effect is remarkably improved.

The application discloses a kind of artificial reef concrete preparation methods, comprising: preparation steel slag fine aggregate, preparation steel slag base coarse aggregate, preparation artificial reef concrete;Specifically including the steel slag that meets the condition is screened, obtains two different particle sizes steel slag particles, carries out stabilization, screening and grinding, washing treatment, then the steel slag powder obtained is two-step granulation and two-step maintenance, obtains steel slag base coarse aggregate;Finally steel slag fine aggregate, coarse aggregate, cementing material, water and admixture are mixed uniformly according to preset proportion after forming maintenance, preparation adult artificial reef concrete.The steel slag content of the present application is not less than 55%, the 28-day compressive strength of concrete is higher than 38MPa, the strength retention rate is not less than 95% after seawater immersion for 360 days, pH is stabilized at 8.39~8.46, close to natural seawater pH value 8.2.Using steel slag for artificial reef concrete can realize large-scale, high-value utilization of steel slag, adapt to the current situation of large demand for artificial reef, and also can greatly reduce the production cost of artificial reef.

This invention discloses a modified coral aggregate UHPC for islands and reefs, its preparation method, and prefabricated island and reef components. The modified coral aggregate UHPC, by mass ratio, is composed of the following raw materials: cement, 30-50 parts; ion migration inhibitor, 5-15 parts; modified coral aggregate, 40-60 parts; stainless steel fiber, 3-7 parts; notched polyethylene fiber, 0.4-0.8 parts; water-reducing agent, 0.3-0.7 parts; adhesive powder, 0.5-1.5 parts; defoamer, 0.05-0.15 parts; combined expansion agent, 1-3 parts; early strength agent, 0.5-1.5 parts; carbon fiber, 0.1-0.2 parts; carbon nanotubes, 0.05-0.1 parts; and mixing water, 9-12 parts. The modified coral aggregate UHPC prepared by this invention has self-compacting properties, high strength, high toughness, high durability and high electromagnetic shielding, and can be sourced locally. It can be used to manufacture prefabricated island and reef components such as artificial reefs and offshore platforms, meeting the needs of island and reef engineering construction and use.

The utility model provides an underwater multiplication reef for controlling fish swimming direction, which comprises a multiplication reef main body, a wave power generation device is arranged above the multiplication reef main body and floats on the sea surface, anchor chains are arranged on two sides of the wave power generation device, one end of each anchor chain is fixed with the bottom of the wave power generation device, and the other end of each anchor chain is fixed with the other end of the wave power generation device. The other end of the anchor chain is inserted into the seabed through an anchor hook, a bubble generator is installed below the motion path of a swing plate of the wave power generation device, the swing plate of the wave power generation device is directly connected with a water pump plunger of the bubble generator through a rigid connecting rod, and an exhaust pipeline is arranged below the bubble generator. The proliferation reef body comprises a first-layer reef body, a second-layer reef body and a third-layer reef body which are sequentially stacked from top to bottom, the first-layer reef body is a reef body of a cube structure, the interior of the first-layer reef body is hollow, each face of the first-layer reef body is provided with a circular through hole communicated with the interior, the second-layer reef body and the third-layer reef body are both hexagonal reef bodies, and the second-layer reef body and the third-layer reef body are both hexagonal reef bodies. And the hexagonal reef body is hollow.

The utility model discloses an artificial fish reef with a double-X-shaped steel structure, which relates to the technical field of marine ranches and comprises a cuboid frame, corresponding cross-shaped stabilizing rods are respectively arranged at two ends of the cuboid frame, corresponding inclined groove plates are respectively and fixedly connected with four corners in the cuboid frame, and the cross-shaped stabilizing rods are fixedly connected with the inclined groove plates. A sliding groove plate is fixedly connected to the middle of the joint of the pair of cross-shaped stabilizing rods. By arranging the adjustable sliding rods and the ejector rods, the length and the distance of the cement corrugated plates can be adjusted according to actual needs, so that the requirements of different sea areas and water depths are met, the application range of the artificial fish reef is widened, all the components are tightly connected through the arrangement of the inclined groove plates and the sliding groove plates, and the service life of the artificial fish reef is prolonged. The stability of the fish reef is further enhanced, the double-X-shaped structure is adopted, attachment and inhabitation of marine organisms are facilitated, and compared with a traditional integrated reinforced concrete artificial fish reef, the structure of the device can be adjusted according to actual requirements.

The utility model relates to the technical field of ocean engineering discloses a kind of ecological breakwater of submerged dike, artificial reef and mangrove composite, including artificial reef, the inside of artificial reef is provided with submerged dike, the outside of submerged dike is fixedly connected with node column, the node column is fixedly connected in the inside of artificial reef, the side of artificial reef is fixedly connected with mangrove bottom protection, the top of mangrove bottom protection is provided with multiple mangrove, artificial reef is hollow triangular structure, the top angle of artificial reef is 60 degrees, submerged dike is triangular structure, the top angle of submerged dike is 60 degrees.In the utility model, under the combination of submerged dike, mangrove and artificial reef, through double wave dissipation effect, effectively reduce the erosion of wave to structure, enhance the dissipation ability of hydrodynamic force, promote ecological restoration, reduce scour, enhance overall stability, prolong service life.

The invention belongs to the technical field of marine ecological restoration and marine ranching, and particularly relates to a marine ecological restoration device based on cooperation of an artificial reef body and seaweed transplantation. The device comprises a basic reef body, a seaweed cultivation module, a filter feeding shellfish attachment area, a sensor group, a control module and an execution mechanism, ecological coupling of seaweed and shellfish is achieved through optimized layout and intelligent regulation, water quality purification and system stability are improved, and the device is suitable for active restoration and intelligent management of the marine ecological environment.

The application discloses a hexagonal prism type artificial fish reef, and relates to the technical field of artificial fish reefs, which comprises a glass fiber reinforced plastic plate, a plurality of coral culture structures are arranged on the glass fiber reinforced plastic plate, a concrete frame is arranged on the bottom surface of the glass fiber reinforced plastic plate, a concrete bottom plate is fixedly connected to the bottom of the concrete frame, a series connection structure is arranged between the glass fiber reinforced plastic plate and the concrete bottom plate, and the series connection structure is used for attracting fish schools. The application not only has the fish-attracting effect of the artificial fish reef, but also has the functions of seaweed cultivation and coral reef restoration, efficiently utilizes the vertical space of the sea, and has a positive effect on tropical near-shore resource recovery.

The present disclosure discloses a dredged soil utilization-based artificial reef structure and a processing method thereof, and belongs to the technical field of artificial reefs. The dredged soil utilization-based artificial reef structure includes a dredged soil artificial reef structure, and the dredged soil artificial reef structure includes a first dredged soil reef, a second dredged soil reef, and a third dredged soil reef; annular sliding chutes are formed in eccentric positions of upper surfaces of the first dredged soil reef and the second dredged soil reef; annular metal meshes are movably connected into the two annular sliding chutes; and a heavy block, a first floating block, and a second floating block are respectively embedded into placement slots of the three reefs in sequence. The artificial reef structure is processed by using dredged soil. Dredged soil resources are from the ocean and then are returned to ocean restoration, which satisfies the concept of resource recycling. Furthermore, a surface of dredged soil has multiple grooves, which is convenient for attachment of corals to achieve the purpose of ecological restoration of coral reefs, so that habitats, breeding places, and foraging places are provided for aquatic organisms such as fish to escape from natural enemies, playing an important role in the stability of an ecological system.

comprises the following steps: S1. Pretreatment of seashells: Collect, sterilize and crush seashells to reach 2,500 meshes. S2. Preparation of 3D printing materials: Mix polyhydroxyalkanoate and additives with the calcium carbonate powder obtained in S1, and prepare 3D printing wires using an extruding machine. S3. Preparation of 3D printed artificial reef: Use the 3D printing wires to print artificial reef modules with a topological shape. S4. Installation of artificial reefs: Fix and connect the printed artificial reef modules to each other, and fix them according to different occasions, for example, fix in form of floating reefs or on benthal terrain. The invention enables efficient, environmentally friendly and customizable restoration of marine habitats. The method offers advantages such as material sustainability, topologically optimized structures that enhance water flow through artificial reefs, flexible installation, substantial ecological benefits, and lightweight artificial reefs that facilitate transportation.

The invention relates to the technical field of marine ecological facilities, in particular to an artificial fish reef installation method based on open sea vertical caisson structure arrangement. Acquiring a geographic plane coordinate graph of the target sea area and wave energy data of the target sea area, and analyzing and counting the wave energy data based on the geographic plane coordinate graph to generate a wave energy hotspot distribution graph of the target sea area; the sea wave motion vector is analyzed through the wave energy hot spot distribution map, an installation area is planned, and an open sea vertical caisson installation sea area is obtained; acquiring real-time image transmission data of an open sea vertical caisson installation sea area, analyzing a migration rule of marine organisms according to the real-time image transmission data, and determining an artificial fish reef installation caisson; by means of the innovative arrangement and installation method that the artificial fish reefs are integrated in the open sea vertical type caisson structure breakwater, the wave prevention function, the ecological protection function and the ecological restoration function are integrated, and harmonious symbiosis of an engineering structure and the ecological environment is achieved.

The invention discloses a method for realizing efficient conservation of a Lutraria philippinarum family by utilizing artificial fish reefs in a marine ranch. The method comprises the following steps: (1) selecting the artificial fish reefs in a site and the ranch; (2) reef body identification; (3) putting specification and density; (4) throwing seedlings; (5) breeding management; (6) establishing a high-quality family group; and (7) catching and selecting the parents of the next level. According to the method, through family construction, selection of artificial fish reefs of a marine ranch, isolated breeding of families in the artificial fish reefs, establishment of high-quality family groups, collection and selection of next-level parents, synchronous backup of molecular marker information and a phenotype database, informatization archiving of the selection process is completed, and a complete marine family management and breeding mode is formed; and a germplasm foundation is laid for expanding propagation of improved varieties of the next generation.

The present invention relates to a computer-implemented method for designing artificial reefs (2), comprising the steps of: i) analysing geographical data (3) about a selected site (1); ii) generating a 3D model of the terrain (5) of the selected site (1) based on the geographical data (3); iii) defining constraints (41) in the 3D model of the terrain (5); iv) defining an optimised area (42) in the 3D model of the terrain (5); v) defining an optimised design (43) of the landing points (51) in the 3D model of the terrain (5), specifically intended for a system or method developed as a self-learning algorithm configuration, which allows same to perform and evolve in an open environment at sea.

The invention discloses a corrosion-resistant coral aggregate artificial fish reef and a preparation method thereof. The corrosion-resistant coral aggregate artificial fish reef comprises the following components in parts by mass: 15-30 parts of a corrosion-resistant cementing material, 8-15 parts of water, 25-35 parts of coral coarse aggregate, 5-10 parts of coral fine aggregate, 20-40 parts of sand and 0.25-1 part of a water reducing agent, wherein the anti-corrosion cementing material is prepared from the following components in parts by mass: 15 to 20 parts of shell powder, 20 to 30 parts of calcined clay, 30 to 50 parts of high-iron-phase Portland cement clinker, 1 to 3 parts of gypsum, 1 to 5 parts of an aluminum-iron regulator and 0.5 to 1 part of a dispersing component; through pretreatment and compounding of all the components, the ecological compatibility and structural durability of the artificial fish reef are improved at the same time.

The application discloses an assemblable chain type artificial fish reef, which comprises a plurality of fish rooms, the fish rooms are connected with each other through connecting rods and simple ball hinges to form a chain type structure, the fish room is in a symmetrical double-fan-shaped column structure, ball heads of the simple ball hinges are respectively installed on two end faces of the fish room, ball seats of the simple ball hinges are respectively installed on two ends of the connecting rod, the ball heads can rotate in the ball seats to stretch and fold the fish rooms, the fish rooms are connected with each other to form a chain type overall structure, the fish rooms can be nested and stacked on the bottom of a sea area with a complex structure to form a stable juvenile fish breeding field and a shelter for cephalopods, the juvenile fish breeding field and the shelter can provide a breeding environment for the juvenile fish to feed, stay and avoid enemies, improve the survival rate of the juvenile fish of reef-loving fish, and provide a habitat for cephalopods such as short octopus to avoid enemies.

The application discloses a kind of artificial reef area dissolved inorganic carbon (DIC) monitoring device, belong to marine monitoring technical field, specifically related to unmanned aerial vehicle component is adopted, corresponding negative pressure component and winding water taking component are set below it, water taking column, first spring, sliding sleeve and adjusting piece are set in water taking component;And first compression piece, second compression piece and spray head are set below unmanned aerial vehicle component;Monitoring device disclosed in the application can make water taking column in water taking component more stable, and avoid the emergence of error caused by the instability of water taking column and the instability of water waste around water taking column when taking liquid, also can avoid affecting the fluency of water inflow in sampling process and the influence of sampling water quality caused by the normal flow of surrounding water flow in sampling process;Not only can the weight be increased by the water inflow of first compression piece and second compression piece, but also the water can be squeezed out to cool unmanned aerial vehicle and water taking component.

The invention provides a device for constructing a seaweed field on a newly-built artificial fish reef, which comprises an artificial fish reef, a seaweed attachment base and an isolation layer, the isolation layer is a physical isolation layer arranged between the artificial fish reef and the seaweed attachment base and is used for blocking direct harm of artificial fish reef extract to seaweed seedlings, and the isolation layer is a physical isolation layer arranged between the artificial fish reef and the seaweed attachment base. The isolation layer is arranged on the artificial fish reef, prevents direct friction between the seaweed attachment base and the artificial fish reef, is of a sheet-shaped structure and can enable expected seaweed to adhere and grow; and the fixing assembly is used for fixing the seaweed attachment base and the isolation layer on the artificial fish reef frame, so that the seaweed seedlings and the artificial fish reef form a relatively stable spatial position relationship. An isolating layer is arranged between a newly-built artificial fish reef and seaweed seedlings, the seaweed seedlings are isolated from the artificial fish reef through the isolating layer, the seaweed seedlings are prevented from being directly damaged by extracts of the artificial fish reef, and when harmful substances in the artificial fish reef are reduced to be suitable for attachment and growth of seaweeds, the seaweed seedlings can preferentially occupy the artificial fish reef; and constructing a seaweed field according to expectation.

The invention discloses an oyster ecological reef cluster specially designed for a soft substrate intertidal zone mud flat and based on timber pile fixation, and belongs to the technical field of marine ecological restoration and coast engineering. The invention provides a suspension type reef construction scheme based on the friction pile principle aiming at the problem that an existing gravity type artificial reef is prone to sedimentation on a silty and muddy beach. The ecological reef cluster is composed of a plurality of reef body units, each unit comprises a pine pile set, and net bags are hung and fixed through rope knots. Trace terpenoids released by the pine material and biological membranes on the surfaces of the scallop shells have a synergistic effect, so that the attachment rate of the oyster larvae is remarkably increased. According to the method, through a'biological armor 'mechanism, the wood piles are wrapped and protected from being corroded by ship maggots through rapid calcification of oysters, a hydrodynamic field is optimized through 50-meter large-interval staggered layout, water body exchange and bait supply are guaranteed while wave energy is reduced, and the problem that structural stability and biocompatibility are difficult to consider in ecological restoration of the soft foundation beach is solved.

This invention discloses an environmentally friendly composite artificial reef material and its preparation method, belonging to the field of marine ecological restoration technology. The material comprises a composite cementitious material, composite aggregate, modified biochar, shell powder, alkali activator, water, microbial slow-release microspheres, and basalt fiber. The preparation method includes microsphere and modified biochar preparation, dry mixing, wet mixing, molding and curing, and functionalization treatment. This invention addresses the problems of high alkalinity and slow bio-attachment in traditional artificial reefs by employing a solid waste-based composite cementitious system to reduce alkalinity. Microbial microspheres are embedded at specific points on the surface through geometric locking of micro-pits and anchoring with calcium alginate gel, achieving a long-term slow-release supply of microorganisms. This invention combines environmental friendliness, low alkalinity, and active microbial supply.

According to the scheme, the protective structure comprises a foundation layer and a drainage structure, the foundation layer comprises geotechnical cloth, an inverted filter layer formed by gravel is laid on the geotechnical cloth, a block stone layer is laid on the inverted filter layer, gravel caulking is arranged in block stone gaps of the block stone layer, and the drainage structure is arranged above the block stone layer. The geotextile and gravel inverted filter layer is adopted on the foundation layer structure foundation, loss of sea sand below is prevented, the stability of the foundation is kept, meanwhile, the block stone layer is laid on the upper portion, the influence of uneven settlement of the beach soft foundation on the drainage pipe can be effectively reduced, and the drainage effect is improved. And the stability and durability of the coastal city rainwater pipe network subsea drainage pipe structure are obviously improved.