180 results about "Artificial reef" patented technology

The present invention relates to the technical field of ecological restoration. Disclosed are an aquatic ecological restoration method and system based on artificial reefs. The method comprises: acquiring topographic data; deploying artificial reefs having different structures; performing water quality monitoring to acquire water quality parameters; on the basis of the water quality parameters, adjusting the species composition of fishes and benthic organisms, and monitoring the water flow velocity and the water flow direction around the artificial reefs having different structures; formulating a plurality of restoration strategies; and validating the plurality of restoration strategies to obtain an optimal restoration strategy. The present invention can significantly improve the water quality, and can also enhance the biodiversity, optimize the water flow conditions, precisely identify polluted zones and determine an optimal restoration strategy, thereby achieving significant economic and social benefits. Therefore, the present invention is an efficient and sustainable aquatic ecological conservation measure.

The invention belongs to the technical field of ecological fishery engineering, and particularly discloses an artificial fish reef for fish sonar monitoring, which comprises a reef body, sonar equipment, buoys and a signal transceiver. The reef body is of a hollow polyhedral structure, the bottom of the reef body is opened to be inserted into seabed sediment to enhance stability, and the top and the side walls are provided with signal receiving and transmitting holes and hollowed-out parts used for receiving and transmitting sonar signals and promoting seawater circulation. The sonar equipment is fixed in a mounting groove in a central partition plate of the reef body and comprises a sonar placement cabin, a sonar transceiver, a transducer and a relay, wherein the sonar transceiver, the transducer and the relay are integrated in the sonar placement cabin. The buoy is connected with the sonar equipment and the signal transceiver through transmission lines to form an underwater detection-water surface transmission system; the signal transceiver integrates a 4G module and a solar power supply system, and supports data real-time return and self-powered operation and maintenance. The limitation that a traditional fish reef is single in function is broken through, the ecological restoration and intelligent monitoring capabilities are achieved, and a new solution is provided for marine ranch resource assessment and dynamic management.

The invention discloses a method for determining an artificial fish reef structure. The method comprises the following steps: acquiring a data set according to a constructed artificial fish reef hydrodynamic simulation model; performing model training according to the data set to obtain an artificial fish reef hydrodynamic characteristic prediction model, wherein the artificial fish reef hydrodynamic characteristic prediction model is used for predicting according to the structural parameters of the artificial fish reef to obtain corresponding wake flow area comprehensive indexes; randomly generating a set group number of structure parameters in a given value range of each structure parameter of the artificial fish reef, and predicting to obtain a wake flow region comprehensive index corresponding to each group of initial structure parameters through the artificial fish reef hydrodynamic characteristic prediction model; and performing a set round of optimization iteration on each group of structure parameters, and determining the structure parameter corresponding to the optimal wake flow region comprehensive index as the structure parameter of the artificial fish reef. According to the scheme, the artificial fish reef wake flow area comprehensive index is used as an evaluation index, and the optimal structure parameter of the artificial fish reef can be efficiently searched in a given structure parameter range.

An artificial reef structure including thin tensile members as part of the structure. These tensile members readily accumulate marine life to create a more organic structure. The reef structure can accommodate a wide variety of ocean sensing and communication systems. Embedded lighting and electronic elements can be used to attract and monitor marine life.

The utility model relates to a marine fishery culture net cage, in particular to a spherical culture net cage with a longitude and latitude structure. The utility model aims to provide a high-molecular high-density polyethylene (HGPE) floating device which is made of a high-molecular HGPE material and has certain buoyancy; the production cost can be reduced, and sinking and floating of the spherical aquaculture net cage are easy to control. The utility model discloses a spherical culture net cage with a longitude and latitude structure. The spherical culture net cage comprises a spherical net rack and a netting, the spherical net rack is composed of warp-wise rods, weft-wise rods and a fixing device. The spherical net rack is characterized in that the fixing device is used for fixedly connecting the warp-wise rods and the weft-wise rods in a crossed mode; and the plurality of warp rods and the plurality of weft rods are fixed by the fixing device to form an integral spherical grid structure. The utility model has the advantages that the structure is simple, and the production cost is low; the floating type artificial reef can also be used as a floating type artificial reef.

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 invention discloses an artificial fish reef structure based on waste concrete sleepers. The artificial fish reef structure comprises the waste concrete sleepers, and the concrete sleepers are mutually connected through a plurality of prefabricated node components to form a rectangular frame so as to form an artificial fish reef; cast-in-place grooves are formed in the connecting ends of the prefabricated joint component and the concrete sleeper, and cast-in-place holes are formed in the groove walls of the cast-in-place grooves. According to the artificial fish reef, through the arrangement of the prefabricated node components, waste concrete sleepers generated by railway lines can be mutually connected in a cast-in-place concrete mode to form the artificial fish reef for marine organisms to survive, solid waste reutilization is achieved to generate new benefits, and the manufacturing cost of the artificial fish reef is reduced.

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 invention provides an artificial fish reef and a flow field regulation and control method of the artificial fish reef, the artificial fish reef comprises a plurality of fish reef main bodies, the plurality of fish reef main bodies are spliced to form a fish reef configuration, and a fish sheltering cavity is formed in the center of the fish reef configuration; a plurality of overflowing holes are formed in the fish reef configuration; the flow field regulation and control system comprises a monitoring device, a dynamic regulation device and a power supply device. The monitoring device is integrated in the overflowing hole, the dynamic adjusting device is arranged at the overflowing hole and used for adjusting the opening degree of the overflowing hole according to water flow data, and the power supply device is electrically connected with the dynamic adjusting device. According to the artificial fish reef and the device flow field regulation and control method disclosed by the invention, through the splicing design, the single fish reef main bodies are convenient to assemble, so that the artificial fish reef can be used as an independent reef and can also be used as a group reef after being spliced and assembled; the flow field regulation and control system can dynamically regulate the opening degree of the overflowing hole according to real-time water flow data, a suitable water flow environment is created for different types of marine organisms, and the attraction and adaptability of the artificial fish reef to the marine organisms are improved.

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.

An artificial reef for providing a habitat for aquatic species in water, comprising: a base arranged to be anchored to a seabed surface, at least a portion of the base being a concrete material; the plurality of organic casings are coupled to the base; and a plurality of rods having a first end coupled to the base and a second end extending away from the base, the rods being made of a natural material.

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

The invention discloses a composite type artificial fish reef device. The artificial fish reef device comprises a conical barrel (2), a main body air curtain generation pipe fitting (3) and a compressed gas supply source, the conical barrel comprises a barrel body (21); a flow inlet pipe opening (212) is formed in the position, close to the lower barrel opening, of the barrel body, and a spiral flow guide groove (211) is formed in the inner circumferential face of the barrel body. A flow gathering hopper (23) is assembled aiming at the flow inlet pipe orifice; the main air curtain generating pipe fitting is arranged on the inner side of the conical barrel, and the compressed air supply source provides compressed air for the main air curtain generating pipe fitting. When the water flow speed is high, substances such as nutritive salt and the like are raised to a high height in a relaying mode that the substances such as the nutritive salt and the like are thrown out from the uppermost end of the spiral flow guide groove in the conical barrel and the substances such as the thrown-out nutritive salt and the like are further raised by air curtain upward flow generated by the main body air curtain generation pipe fitting.

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.

The invention relates to the technical field of deep sea science and technology, in particular to a multifunctional monitoring device for sinking type artificial fish reef attachments, which comprises a shell, a fixed table, a telescopic piece and a piston box are arranged in the shell, a piston plate is arranged in the piston box, an output shaft of the telescopic piece is fixedly connected with the piston plate, and a first rack is arranged on the piston plate. One end of the first rack extends out of the piston box; a first gear is arranged on the first rack, a rotating shaft is arranged on the first gear, a second gear is arranged on the rotating shaft, a fixing cylinder is arranged in the shell, a second rack is arranged in the fixing cylinder, the second gear is meshed with the second rack, a scraping plate is arranged on the second rack, a release opening is formed in the scraping plate, and the side wall of the piston box communicates with a release one-way valve. The piston box is communicated with the outside through the release one-way valve and the release port; a collecting assembly, a cutting assembly and a limiting assembly are arranged in the shell, and a transmission assembly is arranged on the rotating shaft. According to the artificial fish reef, impurities on the attachments are removed while the attachments on the artificial fish reef are scraped.

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 artificial reef for repairing the eucheuma comprises a base, a supporting frame, a frame shaped like a Chinese character'tian ', a mesh and a jacking mechanism, the jacking mechanism comprises an electric push rod, a normally-open button, a metal block, a spring, an electromagnet and a battery pack, the frame shaped like the Chinese character'tian' is supported through the supporting frame, the mesh arranged on the frame can be used for binding the eucheuma, and the jacking mechanism is used for jacking the eucheuma. An output shaft of the electric push rod can extend upwards and extend into a groove of the frame shaped like the Chinese character'tian ', so that the normally open button is triggered to be in a closed state, at the moment, the electromagnet magnetically attracts the metal block after receiving electric energy of the battery pack, and the metal block leaves from the limiting groove and retracts into the storage groove; the frame shaped like the Chinese character'tian 'can be moved to the upper portion of the base so that workers can check, trim and manage diseases and pests of the eucheuma conveniently, meanwhile, the electric push rod can support a new frame shaped like the Chinese character'tian' so that binding of the eucheuma can be facilitated, and the planting and repairing efficiency can be improved.

The present invention belongs to the technical field of life cycle assessment, and relates to a method for screening artificial reefs based on environmental impact. The life cycle assessment method is used to conduct an environmental impact assessment on the production of four artificial reefs made of different materials, including two common materials: reinforced concrete and steel, and two production waste resource utilization materials: shell powder replacing 20% ​​of fine aggregate to make concrete, and steel slag replacing 20% ​​of cement to make concrete. First, the life cycle boundaries of the four materials of reefs are determined; then, the raw materials, resources, energy consumption of the different reef production processes and the consumption of the two waste pretreatment processes are collected; then, GaBi software is used to build a model, and CML2001 is used for characterization and normalization analysis. The present invention compares the energy consumption and environmental impact of the four materials in their life cycles from a full life cycle perspective, identifies the consumption of the two waste pretreatment processes, judges the environmental friendliness of the four materials, and proposes corresponding improvement measures.

The invention discloses a combined type ecological fish reef for restoring benthic habitat in sand excavation areas of rivers and lakes in the technical field of artificial fish reefs, which comprises a bottom rod, and further comprises a support rod positioned in the bottom rod and connected with the bottom rod in a sliding manner; the first fixing rod is embedded into the outer part of the supporting rod and is rotationally connected with the supporting rod; according to the combined type fish reef, the fish reef can be conveniently taken out and put in through the design of the combined type fish reef, a habitat site is provided for fishes after putting in, convenience can be provided for harvesting and fishing of the fishes after taking out, and the folded fish reef is in a plate shape and can be conveniently stacked, stored and transported; and when the fish reef is taken out, the first fixing rods are lifted to enable the supporting rods to slide upwards along the bottom rods to fold the fish reef, the lower frame can be gradually separated from the water bottom, then the fish reef is taken out, and the whole fish reef can be conveniently separated from the water bottom.

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.