439 results about "Artificial reef" patented technology

The invention discloses a bionic concrete artificial fish reef arranged on the seafloor. According to the fish reef, C40 concrete is used for pouring to form an artificial fish reef base body, the surface of the base body is covered with a protective layer which is composed of cement mortar, biological calcium carbonate and oyster shells, the biological calcium carbonate is made of eggshells, corals, seashells and fishbone and is used as an additive to be added into the cement mortar, the cement mortar mixture is smeared on the surface of the fish reef base body to form cement paste after the biological calcium carbonate and the cement mortar are evenly stirred together, and the oyster shells are inlaid in the cement paste in a convex face outward mode. According to the artificial fish reef, the environment-friendly function, the durable function and the trapping function are integrated, the cement mortar covering layer doped with the biological calcium carbonate and the coating of the oyster shells can attract marine organisms to inhabit, and thus the trapping effect of the artificial fish reef can be better achieved; compared with a traditional concrete fish reef, the artificial fish reef has good waterproof property and chloride ion resistance, surface roughness and alkalinity of the surface of the fish reef are appropriate, bionic performance is achieved, and the fish collecting effect is excellent.

The invention discloses a multifunctional artificial fish reef, and aims to provide an artificial reef which is beneficial to formation of different flow field environments with upwelling, can raise nutrient substances deposited at the seabed, can improve the primary sea field productivity near the artificial reef and can provide sufficient feed to fishes. The multifunctional artificial fish reef comprises a reef body, an inner reef cavity and a plurality of inlets and outlets, wherein the inner reef cavity is arranged inside the reef body; the plurality of inlets and outlets are formed in the side surface of the reef body and are communicated with the inner reef cavity; the outer side surface of the reef body extends downwards from top to bottom towards the outer side of the reef body in an inclined manner; a partitioning plate which extends upwards and downwards is arranged inside the inner reef cavity.

The invention discloses a floating artificial fish reef. During preparation, the floating manual fish reef is characterized in that an adhesion base material is bonded to a floating body material and a suspender by using an adhesive or cement, the suspender is suspended below the floating body material after being cured, and a counter weight is suspended below the suspender. The floating artificial fish reef is arranged on the euphotic layer of sea water in an aquaculture zone, so that the adhesion growth of algae, shellfishes and microorganisms is facilitated, the water quality of the aquaculture zone is improved, and the generation of eutrophication is inhibited.

The invention provides an alga/fish mixed type three-dimensional ecological fish shelter and a feeding method of the fish shelter, wherein the fish shelter comprises an anchoring system, a fish shelter top consisting of a floating ball and a fixed frame, a fish shelter middle layer consisting of a horizontal grid and a fixed frame suspended with a middle spherical fish shelter, and a fish shelterbottom consisting of a horizontal grid and a fixed frame suspended with a bottom spherical fish shelter; and the fish shelter middle layer is respectively connected with the fish shelter top and the fish shelter bottom by a connecting rope and the lengthways crossed grid. The feeding method comprises the following steps of: shipping to a feeding sea area, firstly throwing a first anchor along with the direction of incident flow, sequentially throwing a second anchor by means of fair current, tying an anchor tail rope and a mark float at the back end of the anchor, dragging the anchor tail rope by means of fair current, tensioning a whole system, and completing feeding. According to the invention, the fish shelter can be used for culturing and proliferating the alga with different water depths, is taken as a perching and refuge occasion of the small size medium-upper layer fish and a large size medium-upper layer juvenile fish, and is simple in structure, and convenient to assemble andrecover, so that the novel artificial fish shelter can be provided for building an ecological marine ranch.

The invention relates to a method for preparing an artificial fishing rock by using metallurgy residues as main materials, which belongs to the technical field of metallurgy residues treatment. The method is characterized by comprising the following steps: firstly, sieving and grading sea sand or river sand; secondly, mixing and grinding 0 to 20 percent of the obtained sand with the particle diameter of less than 5 millimeters with 10 to 80 percent of steel slag, 0 to 80 percent of mine refuse and 10 to 70 percent of cement clinker until the specific surface area is more than 350 square meters per kilogram; thirdly, mixing 20 to 70 percent of the mixture with 20 to 50 percent of the sieved coarse sand with the particle diameter of more than 5 millimeters and 0 to 40 percent of stones; and fourthly, obtaining the concrete artificial fishing rock with high and strong performance after high temperature maintenance. The artificial fishing rock has the advantages that the artificial fishing rock with high and strong performance is prepared by using the metallurgy residues as the main materials to remarkably reduce the preparation cost of the fishing rock, and the living environment for the aquatic lives around the fishing rock is fundamentally improved because the pH value of the concrete pore solution of the prepared fishing rock is close to that of sea water.

A square combined artificial fish reef comprises a square combined artificial fish reef body and is characterized in that the square combined artificial fish reef body is composed of a bottom unit, an intermediate wicker unit, an intermediate unit and a top unit. The bottom unit, the intermediate wicker unit, the intermediate unit and the top unit are overlaid and welded to form the square combined artificial fish reef. The square combined artificial fish reef is a large square frame reef, is provided with foundations, has a concise structure, is convenient to process and manufacture, and hasthe characteristics that the stability and hydrodynamics of the artificial fish reef are improved. The square combined artificial fish reef can be used as a large independent reef or a group reef, and provide spawning locations for fishes such as cuttlefishes.

The invention discloses a combined artificial fish reef. The combined artificial fish reef comprises a halfpace-shaped reef body, middle-layer floating reef bodies and an upper-layer floating reef body. The halfpace-shaped reef body comprises a base, a halfpace reef fixed to the base, and an adhering substance. The adhering substance is arranged on the side face of the halfpace reef, and bottom anchor rings are embedded into the positions, close to the four corners of the bottom of the halfpace reef, of the base. The middle-layer floating reef bodies comprise floating rope frames, floating balls fixed to the four corners of the floating rope frames, and seedling ropes. The seedling ropes are arranged in the floating rope frames, and the four corners of the floating rope frames are connected with the corresponding bottom anchor rings through floating rope frame fixing ropes. The upper-layer floating reef body comprises a floating pipe frame and a top web curtain. The top web curtain is arranged in the floating pipe frame, and the four corners of the floating pipe frame are connected with the corresponding bottom anchor rings through top frame fixing ropes. The stereoscopic hierarchical structure can create a full-water-layer algae growth environment and provide places for life and inhabiting of fishes on different water layers; the halfpace reef can form upward flow, bottom nutritional substances are conveyed to the middle layer and the upper layer, and bait is provided for fishes on the middle layer and the upper layer.

A container for underwater placement on a sea, lake or river bottom. The container has openings in the sides, top and bottom and is filled with ballast of large boulders, cobble, crushed coral, cast concrete modules or other materials. The openings allow water and water currents, as well as marine organisms, to pass freely therethrough. Over time, a wide assortment of marine organisms infiltrate and colonize the nooks, crevices and cavities of the ballast, thus utilizing the habitat as they would an artificial reef. One or more hitch points are provided on the container for attaching mooring lines for ships, boats, floating wind turbines or other floating structures, thereby allowing the artificial reef to anchor such structures.

The invention discloses a method for planting salvia officinalis in hardness adherance, which belongs to the technical field of algae propagation. The method comprises the following steps of: pre-processing the adherance, preparing a seedling collection pond, preparing to plant algae, collecting seedlings, cultivating young seedlings, putting in a sea area and managing on the sea. According to the method disclosed by the invention, the salvia officinalis are directly planted on artificial reefs, stones or cement components, can be firmly combined on the surfaces of the artificial reefs, the stones or the cement components through adhesion accentuation trainings in stages and then can be put into sea water in a appropriate time, new branches of the salvia officinalis can be grown on the adherance year by year, the problems that the salvia officinalis are in resource exhaustion due to man-made damage and the year-to-year propagation for maintaining algae resources in the sea area are solved, the method plays a great role in environment modification, resource recovery and the like, and simultaneously, the operation is simple and convenient.

The invention provides a real-time fish stock monitoring and fish amount estimating system based on a wireless communication network, which mainly comprises an underwater acoustic transducer, a fish finder processor and a micro-processing unit, wherein the micro-processing unit detects echo reflection signals of a fish stock and extracts an average value of the rear echo reflection strength within a period of time in a specific water depth range; and fish stock mapping information in an echo reflection mapping graph formed by echo signals is extracted, and remote transmission and display of fish stock information are realized. The system can also be used for predicating the fishing yield besides displaying fish finder images in real time. The system provided by the invention can be applied to a plurality of fields such as real-time monitoring for fixed net fishery and the sea net cage breeding industry, observation of artificial reef fish-gathering effects, fish stock detection under an artificial fish-gathering device in tuna seine purse fishery and the like, and has very important significance for improving the production efficiency of marine fishery.

An artificial reef is composed of a top platform, a reef frame, a group of floating bodies in the upper part of said reef frame, at least three layered netted cases in the middle part of reef frame, a group of primary float controlling chambers, at the bottom of reef frame and a group of secondary float controlling chambers at the sides of reef frame.

The invention relates to a manual fish reef device of an island-and-reef ocean fishing area and a distribution method thereof, belonging to the technical field of manual fish reefs and solving the technical problem of ensuring fishing resources in the fishing area. The method comprises the following steps: distributing trapping fish reefs in adjacent waters of each fishing point; and distributingproliferated fish reefs in external waters of the fishing area; and distributing grooming fish reef belts between each trapping fish reef and each proliferated fish reef and between the proliferated fish reefs. The invention improves ocean benthic environment and cultures habitat consciousness of fishes by various manual fish reefs so as to lock the proliferated and trapped fishes in the fishing area whenever possible and guide the fishes around each proliferated fish reef to swim to the trapping fish reef by the grooming fish reef belts. The device and the method can improve the fish-collecting effect and ensures the sustainable development of the ocean fishing area.

A multifunctional artificial fish reef is composed of a fish reef body, a buoy, a cable, a wire and a gas-guide tube, wherein the cable, the wire and the gas-guide tube are connected with the fish reef body and the buoy.The multifunctional artificial fish reef not only can provide a reproduction and forage place for fishes, but also can introduce air above the sea surface into the seabed by utilizing wave energy, water and gas exchange in the fish reef sea area is promoted, needed oxygen is provided for shellfishes and sea cucumbers and the like, and the blocking in the fish reef using process can be effectively avoided.Ocean current drives impellers to rotate, the distribution of a flow field in the sea area can be changed, bottom layer nutrient substances are driven to perform exchange with the upper layer water body, nutrient is provided for reproduction and growth of planktons and the like in the upper layer water body, a good marine organism habitat is created, and primary productivity in the surrounding water area is greatly improved.A solar panel on the buoy can convert solar energy into electric energy to supply power to LEDs on the reef body, and thus the goal of attracting phototactic fishes is achieved.Staggered separating tables in the reef body increase the adhering area of the artificial fish reef, and the number of organisms in the sea area is increased.

The invention discloses a star-like radial allocation method for artificial reefs, which is characterized in that a cubic reef form with the side length of 1 to 2 meters is used as a main reef, 3 to 8 auxiliary reefs with the height of 80 to 120 centimeters are uniformly distributed on the circumference which uses the main reef as the central point, the main reef and each auxiliary reef are connected through a stone connection bridge with the length of 3 to 6 meters, and the categories of the adjacent auxiliary reefs are diverse. The artificial reefs are closer to the reality and are favorable for the balance of the ecological system, and the stone connection bridge serving as a radiation belt provides a bridge for the movement of rare seafood among the reefs and plays a role in sheltering. Through on-site sea area tests, the rare seafood such as sea cucumber, sea hedgehog, abalone and the like can rest in gaps among the main reef, the auxiliary reefs and the stone connection bridges or on the surfaces; the good growth condition of algae on the reefs provides baits for the rare seafood, so the proliferation effect of the rare seafood is obvious; and reef-associated fishes such as hexagrammos otakii, sebastes schlegeli and the like rest in the main reef and the auxiliary reefs, so the whole reef group structure is stable and forms a good small ecosystem.

The invention belongs to a bowl-shaped floating artificial reef and throwing device. The device is characterized in that an artificial reef base (9) is manufactured into a bowl shape, the lower portion of the artificial reef base (9) is provided with conical positioning insertion heads (10), and fish inhabiting chambers (20) are arranged in an artificial reef body (8); artificial reef hanging rings (17) are connected with hooks (6) through artificial reef hanging ropes (7), the upper ends of the hooks (6) are movably connected with the end portions of lower connecting rods of four connecting rods (15) through a fourth connecting shaft (16), and two upper connecting rods are fixedly connected with a balloon (4) through connecting rod fixing ropes (13); the balloon (4) is provided with an electric control valve (12) and a balloon hanging ring (26); the balloon hanging ring (26) is connected with hanging rings (2) installed on the lower portions of four light air bags (1) through hanging ropes (3). The device has the advantages of enabling coastal or offshore fish farming to be greatly developed, improving air quality and improving living environment of people.

The invention discloses an artificial fish reef made from waste tyre, constructing the structure of honeycomb or cylinder by using numberless waste tyres with rope or screws by making use of the waste tyre original shape, making the fish reef be porous, and the tyre dent are the concealed and proper space for fish breeding. The invention solves the environmental problem of recycling waste tyres and is a method of making the recycled waste tyres become a permanent production resources. Combining the waste tyres to large associations with different space in the middle with ropes or screws by making use of the tyre original structural shape or handling a little, adding stationary objects with enough weight on the bottom, which is convenient for setting on the sea bottom, and the association will not be rushed away which is suitable for the growth of plankton or benthon as an artificial fish reef to increase the quantity of the fish catch.

The invention discloses a preparation method of a concrete artificial fish reef material, and belongs to the technical field of artificial fish reef preparation. The preparation method comprises the steps that firstly, pretreated coal slag and clay are mixed and calcined; then, obtained materials are mixed with gypsum and the like; then, the mixture is added into a mold and is subjected to primary maintenance in solution cavity environment; carbon dioxide in a solution cavity takes a reaction with sodium hydroxide generated in the materials to generate calcium carbonate, so that the alkalinity is reduced; calcium hydroxide and ettringite are reduced; the materials are demolded to obtain fish reef concrete; then, a mixed solution prepared by chitosan and the like is sprayed and coated on the surface of the concrete; maintenance is performed again to obtain the concrete artificial fish reef material. The preparation method solves the problems of low artificial fish reef intensity, poor durability, short service life and the like. The obtained concrete artificial fish reef material has high intensity and higher durability; the hardened concrete artificial fish reef material has good compactness; the finally coated chitosan and mussel mucoprotein can be used as microorganism growth nutrient substances; the microorganism attachment quantity is increased.

The invention provides a method for constructing a manually controlled submarine algae field. The method comprises the steps of selection and treatment of seaweed substrates, culture of seedlings of seaweeds, sowing and the like, wherein the seaweed substrates are breeding screens formed by weaving reddish brown ropes; the step of culture of seedlings of seaweeds comprises the substeps of collection of seedlings of seaweeds and management of culture of seedlings; after the water density of the collected spores during release in the substep of collection of seedlings of seaweeds reaches 10-15 zoospores in the field of 100-times microscope, the seaweed substrates are put in the seawater to adhere; and the adhesion density is 20-30 embryo spores in the field of 100-times microscope. The method has the following advantages and beneficial effects: the variety, density, place and sowing time of the submarine algae field achieve manual control; the fixed substances of the algae, such as C, N, P and the like, are taken from the sea to the land by harvesting the seaweed, so the effect on solving the ecological problems is longer; the cost is far lower than that of the artificial reefs; thenatural submarine geomorphology is not damaged; and the submarine algae field can be formed in a shorter time, thus rapidly increasing the resource quantity.

A method and means for making and using three composite concrete construction components that share a common matrix. The articles are comprised of: discarded whole tires 2, axially aligned, with rebar formed washers 4, transversely placed at intervals between the tires 2. The tire bundle 2, with the washers 4, are compressed, banded with metal or fiber strapping 1, reinforced with wire mesh 5, and rebar rods 6, and encased in a concrete shell 3, to form: cylinders; rectangular-blocks; or, half blocks. The concrete composite articles can be molded with hollow cores and used individually or in multiple configurations to construct environmentally safe structures such as: artificial reefs, beach erosion inhibitors, jetties and artificial islands; imbricated walls for: highway dividers, noise abatement, retaining and security walls around airports and buildings. These composite concrete articles will allow for millions of discarded tires to be recycled into non-polluting, environmentally friendly structures for use in virtually any construction project.

The invention discloses a composite transplantation method of coral, comprising the following steps: cutting the corals to be transplanted into micro bud-seedlings and sterilizing the bud-seedlings; forming a network transplantation net using ropes and setting a micro artificial reef, respectively embedding the sterilized bud-seedlings into the micro artificial reef, then culturing the bud-seedlings in the sea of grade III standard; transplanting the transplantation net into the sea and wrapping round the sea bed matrix when the micro bud-seedlings of the coral on the transplantation net survive in the sea, after the coral grows up, the new coral firmly being combined with sea bed matrix to form a connected active coral reef, thereby repairing and rebuilding the coral reef ecosystem. The composite transplantation method uses the net transplantation way to combine the coral single with the natural coral reef, thereby effectively solves the technique problems of the combination of the coral to be transplanted with the sea bed matrix, coral mass multiplication, and disease control, with features of low cost, high survival rate and high benefit.

The invention provides a fishing platform with a floating type artificial fish reef. A fishing platform body and simulated sea grass ropes are applied to the fishing platform. The fishing platform with the floating type artificial fish reef is characterized in that a bottom frame of the fishing platform body is formed by six sealed frame bodies. The six sealed frame bodies are arranged from outside to inside from large to small. Every two adjacent frame bodies are fixedly connected through connecting pieces with parallel tubes. Wooden boards are paved on the bottom frame of the fishing platform body. A guardrail is arranged on the periphery of the fishing platform body. The distance between the guardrail and the bottom frame of the fishing platform body is 0.7m. A sunshade frame is connected to the upper portion of the guardrail. The guardrail is connected with the sunshade frame through three-way joints or four-way joints. The bottom frame of the fishing platform body is connected with and fixes the simulated sea grass ropes. A rope net is formed according to the layout of the simulated sea grass ropes, and the bottom end of each simulated sea grass rope is tied to a corresponding node position of a rope frame. The bottom end of each simulated sea grass rope is provided with a 10kg sinker. The four corners of the bottom frame of the fishing platform body and the four corners of the rope frame are connected with anchors fixed to the seabed through anchor ropes.

The invention discloses an artificial fish reef with waste mytilus shells as a body. The artificial fish reef comprises a frame structure formed by welding triangle steel, the top end of the frame structure is open, a base formed by a cement board is fixed at the bottom end of the frame structure, and each side face of the frame structure is laid with a slice-shaped component coincident with the side face in shape and size; the slice-shaped components are prepared by extruding meshes and the waste mytilus shells with which the meshes are filled, and young oysters are attached to the surfaces of the slice-shaped components. According to the artificial fish reef with the waste mytilus shells as the body, the artificial fish reef is prepared with a large quantity of waste mytilus shells, a preparing method is simple, convenient and easy to achieve, and compared with a traditional artificial fish reef, the emission reduction effect of the artificial fish reef is good; the artificial fish reef serves as an important facility of a marine ranch, and has the advantages that eco-environmental friendliness is achieved, the structure is stable, and hold time is long.

A container for underwater placement on a sea, lake or river bottom. The container has openings in the sides, top and bottom and is filled with ballast of large boulders, cobble, crushed coral, cast concrete modules or other materials. The openings allow water and water currents, as well as marine organisms, to pass freely therethrough. Over time, a wide assortment of marine organisms infiltrate and colonize the nooks, crevices and cavities of the ballast, thus utilizing the habitat as they would an artificial reef. One or more hitch points are provided on the container for attaching mooring lines for ships, boats, floating wind turbines or other floating structures, thereby allowing the artificial reef to anchor such structures.

The invention provides a method for distribution of offshore oil platform abandoned structures and laying of artificial reefs. The method is characterized in that each offshore oil platform abandoned structure comprises an abandoned platform and auxiliary equipment and facilities thereof, the abandoned platform is used as a central frame for the artificial reefs, reef units which are disposed around the central frame and composed of single reefs, abandoned concrete structures and discarded ships form a reef group, and at least two reef groups built with the abandoned platforms form a reef belt along trestles between the respective independent platforms. The plurality of small-sized reef belts built with the abandoned platforms form a large-sized reef belt in a centralized oil production area. Each single reef is composed a tubular reinforced concrete reef and cubic-framed reinforced concrete reefs by stacking. By the method, economic cost, environmental cost and energy consumption in treatment of offshore oil platforms are lowered, the fishery enhancement function is given to play more effectively.