221 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.

The invention discloses a composite type artificial fish reef which is characterized in that the artificial fish reef is composed of a bottom reef body, a middle reef body and a top reef body, a supporting leg mechanism is further arranged below the bottom reef body, the bottom reef body comprises an upper bottom reef body 1, the upper bottom reef body 1 is in a hollow regular n-prism frustum shape, and the middle reef body and the top reef body are arranged on the upper bottom reef body 1. The reef is formed by sequentially splicing n first side plates 2, each first side plate 2 is provided with a plurality of small permeable holes 3 distributed in an array mode, meanwhile, the center of each first side plate 2 is further provided with a large permeable hole 4, the bottom end of the upper bottom reef body 1 is connected with a lower bottom reef body 5, the lower bottom reef body 5 is in a hollow hemisphere shape, and the upper bottom reef body 5 is connected with the lower bottom reef body 5. And the lower bottom reef body 5 is also provided with a plurality of small permeable holes 3 which are distributed in an array mode.

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.

The utility model relates to a marine new energy engineering pile foundation ecological transformation structure which provides a sheltering place for marine organisms and improves biological diversity. The method is suitable for the technical field of marine ecological protection and restoration. According to the technical scheme, the multi-hole type artificial fish reef comprises a biological inhabiting plate, a multi-hole type biological reef body and an artificial fish reef body which are sequentially arranged from top to bottom. The biological inhabiting plate is arranged on the pile foundation in a sleeving mode and provided with a plurality of flow guide holes which penetrate through the upper surface and the lower surface and are of various hole diameters, and the outer edge of the biological inhabiting plate is bound with large algae through binding bands so that an algae field can be formed around the pile foundation; the porous biological reef is fixed on the outer wall of the pile foundation, the interior of the porous biological reef is of a hollow structure, and through holes with various apertures are formed in the surface of the porous biological reef for marine organisms to enter and exit and flow guide is achieved; the artificial fish reefs are stacked around the bottom of the pile foundation.

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 is suitable for the field of artificial fish reef equipment, and provides an artificial fish reef which comprises a plurality of artificial fish reef units which are connected. A movable gap is formed between every two adjacent artificial fish reef units, and the artificial fish reef units are connected through connecting pieces; each artificial fish reef unit 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 each artificial fish reef unit is of a multi-layer structure, an opening is formed in the side wall of the fish reef unit body, so that the fish reef unit can be connected with a suspension platform in a group mode to construct a culture system; the artificial fish reef is formed by connecting a plurality of artificial fish reef units, has relative flexibility and can resist water flow impact; and the filling gap is filled with the assembling material, so that the sinking and floating effects of the artificial fish reef can be conveniently adjusted.

A customizable artificial reef for protecting shorelines from oncoming waves and creating a natural habitat for marine life is disclosed. Spurs extending seaward abut a line of crests, forming grooves between the spurs. Optional berms abutting a seaward side of the line of crests may be disposed in the grooves. Parameters of the spur-and-groove customizable artificial reef such as spur height, spur length, wavelength, groove width, cross-shore slope, submerged depth, and the reef crest width are selected to achieve a desired hydrodynamic and circulation of ocean water effect in the SAG reef area. Coral growth on the reef surfaces cover portions, and preferably all, of the SAG reef surfaces, and self-adapt to grow to an optimal height above the SAG surfaces. After storm damage, the SAG reef self-heals through coral re-growth. Spur, crest, and berm sections may be cast individually or may be configured using a plurality of reef modules for ease of manufacturing, transport, and installation.

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.

The utility model relates to an underwater detacher and an artificial fish reef hoisting tool, a hook-shaped part of the underwater detacher is limited through a clamping hook, the clamping hook unlocks the hook-shaped part through rotation of a connecting rod, and a buckle can limit rotation of the connecting rod and can release limitation through a connected traction rope. Therefore, after a large concrete member such as a fish reef is lowered to the seabed by a crane through the tool disclosed by the utility model, the underwater detacher cannot be automatically unhooked, and the crane can be restarted to adjust the position of the concrete member if the position of the concrete member needs to be adjusted. And after adjustment is completed, an operator can pull the buckle through the pulling rope to open the hook-shaped part, so that the lifting rope can be separated from the internal space, then the tool can be recycled, and the construction efficiency, safety and convenience are improved.

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 utility model relates to the technical field of artificial fish reefs, and discloses a split mounting type conical tower-shaped artificial fish reef which comprises an artificial fish reef assembly, stabilizing pieces are evenly distributed at the lower end of the artificial fish reef assembly, extension blocks are further arranged on the front side and the rear side of the artificial fish reef assembly, and positioning insertion columns are inserted into the surfaces of the extension blocks in a penetrating mode. Reinforcing components are arranged on the left side and the right side of the artificial fish reef assembly, the artificial fish reef assembly is transported to the coast side, then inserting columns at the upper end and the lower end of a connecting rod are inserted into inserting holes A and inserting holes B correspondingly, then bolts are used for fixing, and therefore splicing and assembling of the artificial fish reef assembly can be completed; the artificial fish reef assembly can be placed in the sea, at the moment, the weight blocks can sink into the sea bottom under the gravity of the weight blocks, the weight blocks are arranged on the left side and the right side of the artificial fish reef assembly, the weight of the artificial fish reef assembly can be effectively increased, the stability of the artificial fish reef assembly is improved, and living beings can conveniently inhabit.

The invention relates to the field of artificial fish reefs, and in particular to an artificial fish reef, comprising a box body, a perforated pipe and a non-perforated pipe; the box body comprises a bottom plate, a box cover and four side plates extending vertically upward from the bottom plate; the box cover is located above the four side plates, and the four side plates are fixedly connected to the box cover by bolts; two side plates on the front and rear sides of the box body are each provided with a plurality of evenly distributed first perforations; the box cover is provided with a plurality of evenly distributed second perforations; the perforated pipe and the non-perforated pipe are both provided with a plurality of pipes and are horizontally distributed in the box body; the plurality of perforated pipes and the plurality of non-perforated pipes are staggered; the perforated pipe is provided with a plurality of light-transmitting holes distributed around the periphery thereof, and the light-transmitting holes are connected to the inner cavity of the perforated pipe; the application can efficiently attract fish and can also be adapted to the habitat of various types of fish and marine life.

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.