282 results about "Coral reef" patented technology

A simulated coral reef comprising a polymer matrix body comprised of sheets of permeable and porous nonwoven polymer fiber matting, outwardly extending deployment connectors, and anchor connectors that connect the matrix body to an anchor assembly. A simulated coral reef comprising pieces of polymer matrix and/or permeable bag units strung together vertically by a connecting rod attached to an anchor assembly. A simulated coral reef comprising pieces of polymer matrix, permeable bag units, and surface attachment structures in which the pieces of polymer matrix and permeable bag units are attached to the surface attachment structures by a connecting cable. A simulated coral reef comprising a weed blanket fully submerged in a water body and suspended over the bottom of the water body. A simulated coral reef comprising hanging curtains suspended from asurface attachment structure. A simulated coral reef comprising sheets of permeable polymer matrix attached to a rigid metal frame.

The invention discloses high-strength coral aggregate concrete which is prepared from the following ingredients in parts by weight: 260-350 parts of low-heat marine Portland cement, 35-50 parts of flyash floating beads, 35-50 parts of mineral powder, 8-16 parts of silica fume, 8-16 parts of metakaolin, 2-6 parts of nano silicon dioxide, 2-6 parts of polyaluminum chloride, 550-679 parts of coral reef sand, 890-1000 parts of coral reef and 180-256 parts of seawater. The high-strength coral aggregate concrete has the advantages that the pelagic engineering construction cost is lowered, and environment-friendly and energy-saving requirements of civil engineering are also met.

The invention discloses a method for preparing coarse aggregates from coral reefs and concrete.The method for preparing the coarse aggregates comprises the following steps that 1, the cleaned coral reefs are soaked for 2-10 h with hydrochloric acid of 0.1-1 mol/L, and then the soaked coral reefs are cleaned with water to remove hydrochloric acid remaining on the surfaces of the coral reefs; 2, the coral reefs soaked with hydrochloric acid are sieved, and residues on a sieve are obtained; 3, the residues on the sieve are soaked for 10 h or above with a water glass solution with the mass fraction ranging from 5% to 30%, the soaked residues are taken out and dried, and the coarse aggregates are obtained.The method solves the technical problem of taking the coral reefs as the coarse aggregates of concrete; the coarse aggregates are successfully applied to the concrete or even sea water and sea sand concrete, the coral reefs, sea water and sea sand are directly used for preparing the concrete, the processes such as sea water desalination and sea sand desalination are omitted, the problem that long distance transportation of river sand, fresh water and gravel is high in cost is solved, and enormous social and economic benefits are achieved.

The invention discloses a submarine automatic net casting fish trap which consists of a frame, a net bracket, a net pressing rack, bag-shaped fishnets, rubber float balls, liquid nitrogen gasification devices, rubber float ball controllers, a safety device, pumping bait devices, floating boxes, fishy boxes and automatic balancing pods; a plurality of rubber float balls are arranged around each bag-shaped fishnets; both sides of each rubber float ball are provided with rubber float ball controllers; the left side and the right side of the frame are provided with infrared lamps, pumping bait devices, floating boxes, liquid nitrogen gasification devices and batteries; the front side and the rear side of the frame are provided with a plurality of fishy boxes; the four corners of the frame are provided with the automatic balancing pods; the frame is also provided with the safety device. The submarine automatic net casting fish trap is suitable to be operated in any bottom-layer sea area, applicable in capturing all fish on the bottom layer of the sea; the application of the novel capturing technology can develop novel farms in coral reef areas; the operation automation degree and the capturing capability are high, and the labor intensity and the energy consumption are low.

The invention discloses a combined pile foundation structure suitable for coral reef geology. The combined pile foundation structure comprises a pre-stress pipe pile and a steel tube upright column, the lower end of the pre-stress pipe pile is inserted into the rock-soil, and a cast-in-place pile is arranged in the lower section of the pre-stress pipe pile; the steel tube upright column is locatedon the upper side of the pre-stress pipe pile, the steel tube upright column sleeves the outer side of the pre-stress pipe pile, an annular hollow grouting space is formed a certain distance away from the steel tube upright column, the pre-stress pipe pile and the steel tube upright column are partly overlapped and sleeved with each other, and the overlapped part in the hollow grouting space is filled with a grouting material; and the upper portion of the steel tube upright column is exposed out of the rock-soil and is used for being connected with an external structure. According to a combined pile foundation, the circumferential friction resistance of the cast-in-place pile and the high strength of the pre-stressed pipe pile are fully used so that the weight of the pile foundation can be greatly reduced, and the design length of a pile body can be reduced. The structure is particularly suitable for foundation construction under coral reef geological conditions, can meet requirementsof the severe marine environment, can be assembled and quickly constructed, is environmentally friendly and efficient, and has good economic benefits.

The invention discloses a pipe rack type cage-shaped large-sized anti-flow wind and wave resisting aquaculture net cage which comprises an inner floating pipe ring formed by welding multiple sections of arc-shaped inner floating pipes, an outer floating pipe ring formed by welding multiple sections of arc-shaped outer floating pipes, multiple horizontal supporting pipe rings formed by welding multiple sections of arc-shaped horizontal supporting pipes and multiple vertical pipes, wherein the inner floating pipe ring and the outer floating pipe ring form inner and outer concentric circular ring bodies located on the upper layer, so as to provide buoyancy for the whole net cage; the horizontal supporting pipe rings and the inner and outer floating pipe rings realize up-and-down connection through the vertical pipes, so as to form a cylindrical structural body; a cage net and a cage net tightening rope are arranged on the inner side of the cylindrical structural body. By the adoption of split connection pieces, the pipe rack type cage-shaped large-sized anti-flow wind and wave resisting aquaculture net cage is simple in structure and convenient to assemble; aquaculture water for the net cage in a high-flow-velocity sea area is guaranteed, and the structural strength and the wind and wave resistance of the net cage are improved; the aquaculture net cage can be applied to on-site installation in a sea area farther to the shore and a coral reef sea area near to an open-sea island and used as an anti-flow wind and wave resisting aquaculture device; furthermore, the aquaculture net cage has important significance for proclaiming the sovereignty and safeguarding the territorial integrity.

The invention discloses a basalt fiber cay ecological restoration multi-dimensional reef which comprises a polygonal prismatic platform frame or a circular platform frame, a central supporting component and a polygonal connector, wherein the polygonal prismatic platform frame comprises a plurality of equilateral polygonal components with side length being gradually increased, an outer inclined stay bar and an inner inclined stay bar from top to bottom; the polygonal connector is arranged on the inner side of the inner inclined stay bar and is fixedly connected with the inner inclined stay bar; and the central supporting component comprises a plurality of central connectors from top to bottom, horizontal supporting rods in uniform outward radial connection with the central connectors and central vertical columns connected with the central connectors from top to bottom. The basalt fiber cay ecological restoration multi-dimensional reef has the advantages of environment friendliness, high strength, long service life, corrosion resistance, plant modular production, short construction cycle, strong storm resistance, construction and mounting under various complex cay geological environments, benefit in coral apposition growth and capability of effectively repairing marine ecological environments.

The invention belongs to the technical field of marine coral biological research, and particularly relates to a coral distribution and health condition evaluation method based on deep clustering analysis. Acquired video images are spliced into a large image through an improved image splicing algorithm, target recognition detection is performed on warm water coral through a deep learning algorithm,then image segmentation is performed on a recognition target through a k-means segmentation algorithm, and finally coral distribution and health conditions are researched. According to the method provided by the invention, the image splicing efficiency is improved; smooth seamless splicing of the coral images is realized; the coral in the image is rapidly detected by using the YOLOV3, the coral coverage rate is improved by calculating the coral area through image segmentation, so that the overall calculation rate of coral distribution and health conditions is greatly improved, and a good effect is achieved for researching the coral reef distribution condition and health conditions.

The invention discloses an ultra-high performance cement-based material applied to wet spraying construction. The ultra-high performance cement-based material comprises the following ingredients in parts by weight: 300-400 parts of cement, 50-100 parts of fly ash floating beads, 50-100 parts of silica fume, 40-70 parts of superfine limestone powder, 5-15 parts of a surfactant, 30-50 parts of a magnesium expanding agent, 300-400 parts of quartz sand, 100-200 parts of coral reef sand, 30-70 parts of microfilament steel fibers, 3-6 parts of ultra-high molecular weight polyethylene fibers, 1-5 parts of a mineral additive, 90-120 parts of mixing water, and 25-45 parts of a setting accelerator; wherein the surfactant is a naphthalene series or aliphatic series organic powder, the mineral additive is attapulgite gel powder with the average particle size of 5-15 microns, and the setting accelerator is an alkali-free accelerating agent with the total alkali content not larger than 1%, and the main components are aluminum sulfate and an organic amine. The ultra-high performance cement-based material can realize continuous wet spraying construction, and the mechanical property and durabilityof sprayed concrete are greatly improved. The ultra-high performance cement-based material can be widely applied to the field of cement-based material preparation.

A building material made by the method of producing artificial fossil coral which is an artistic replica of a natural coral reef rock by forming a slurry of cement or concrete. Pouring or casting the slurry into a mold of desired shape including driveway sections, walkway sections, patios, or pavers. Broadcasting and impressing into the exposed malleable surface of the cement or concrete a selection of additives with self sustaining shapes including exoskeletons of marine organisms and other debris normally incorporated into natural coral. After the cement or concrete is set-up, the surface is flooded with liquid to dissolve the formed additives leaving voids simulating the surface of natural coral rock.

The invention discloses a floating transport and towing dock module and a construction method thereof. The floating transport and towing dock module comprises a foundation top cover and a box-drum type foundation which is formed by foundation sidewalls. Separating cabin structures with openings at the bottom are arranged inside the box-drum type foundation. A horizontal buoyancy tank is arranged on the upper portion of the box-drum type foundation. Two upright buoyancy tanks are symmetrically arranged on the upper portion of the horizontal buoyancy tank. A dock road surface plate is arranged on the top of the upright buoyancy tanks. In the process of construction, firstly, the box-drum type foundation is built on shore. Secondly, the horizontal buoyancy tank, the upright buoyancy tanks and the dock road surface plate are set up in sequence with the box-drum type foundation as a bottom template in the water to form the dock module. Thirdly, the dock module is towed to a construction site through floating transport. Lastly, air in the box-drum type foundation is exhausted and the horizontal buoyancy tank is ballasted until the dock module sinks to the projected depth, and then foundation leveling is carried out. The floating transport and towing dock module and the construction method thereof can avoid destroying ecological balance of coral reefs, enables a coral reef dock construction to become possible, simultaneously can carry out floating transport and towing, can carry out fine sinking and leveling, can control subsidence, and is high in speed of dock construction and low in construction difficulty.

Structures constructed from an artificial material facilitate the setting and growing of oysters, other mollusks, and other organisms for the purposes of food production, artificial reefs/breakwaters, and the like. The artificial material is a composite that acts as both an attractant and nutrient environment for mollusks and other aquatic organisms. The binder for the composite material includes both cement and an organic material. The organic material is selected to attract and feed the aquatic organisms.

The invention discloses an underwater corallum cultivation nursery garden. The underwater corallum cultivation nursery garden comprises a seedbed and transplanting blocks which are laid on the seedbed, wherein the seedbed is of a steel pipe frame structure and is formed by socket connection of vertical pipes, transverse pipes and longitudinal pipes, and the transplanting blocks are provided with transplanting grooves for placing the corallum. The underwater corallum cultivation nursery garden has the advantages that the fragments and larvae of corals can be bred in situ to have a period of adaptation and then are transplanted when the corals grow to proper size, so that the coral transplanting survival rate can be effectively improved; since a coral nursery garden is a small ecological system, the conservation of species can be facilitated, the habitat is prevented from being degenerated and the diversity of communities is improved. The underwater corallum cultivation nursery garden has an important application value in the aspects of sea area and coastal zone ecological restoration, especially restoration, repair and reconstruction of coral reefs and ecological systems thereof.

The invention discloses a tridacna larvae artificial breeding method capable of improving the survival rate during proliferation and releasing. The method includes the steps of: performing selection and treatment on tridacna larvae for artificial breeding, and transporting the treated tridacna larvae to a sea area for proliferation and releasing; taking the tridacna larvae out of a flowing water bin, performing semi-buried treatment on the taken tridacna larvae in a calcium carbonate-material releasing base, then putting the releasing base with the buried tridacna larvae in a mesh cage rack with a lid, fixing the mesh cage rack on the bottom of the sea, and keeping the distance between the mesh cage rack and the slack tide water level at 3-15 meters and the distance between the mesh cage rack and the bottom surface of a seabed base at 30 cm or above; when the length of shells of the tridacna larvae grows to 6 cm or above, removing the tridacna and mesh cage rack, putting the removed tridacna and mesh cage rack in a coral reef area which has smooth water flow, light intensity of 6,000-12,000 LX and flat parts for growth, cleaning covering matter in time in a typhoon season, performing recovery and fixation on rollover tridacna bases, and eliminating harmful organisms. Through the tridacna larvae artificial breeding method capable of improving the survival rate during proliferation and releasing, the survival rate of the tridacna larvae can be improved effectively, and technical support can be provided for proliferation of the tridacna resource and ecological restoration of coral reefs in China.

The invention discloses a basalt fiber grid structure suitable for ecological restoration of a coral reef. The structure is formed by basalt fibers. The structure comprises a grid layer, a framework layer and fixing pieces. The framework layer is arranged on the grid layer. The fixing pieces are connected with the grid layer and the framework layer. During use, the grid layer and the framework layer are fixedly connected to the surface of the coral reef through the fixing pieces. The structure has stable and reliable strength and structural styles and excellent seawater corrosion resistance, and is beneficial for ecological restoration of the coral reef, ecological, environmentally friendly and free of environmental pollution.

The artificial reef module for coral reef remediation of the present invention includes a central body having an upper settling plate, a middle settling plate, and a lower settling plate. Extending from the central body is a plurality of primary tines which further include a plurality of secondary tines extending from them. The primary tines include the supporting tines, the stabilizing tines, and the space filling tines. The branching of the tines closely replicates the appearance of natural branching coral. Over time the individual artificial reef modules for coral reef remediation would slowly degrade and allow the tines to break off. This degradation closely approximates the fragmentation that occurs with natural branching coral.

The invention discloses a culture system capable of meeting biological functions of an ecosystem and suitable for a small coral reef ecological enjoying pot. The culture system is designed according to biological functions of a coral reef ecological system to meet requirements of different ecological coral reef living beings for the whole water environment as possible. Thus, the small coral reef ecological enjoying pot can be emulational micro coral reef, and further the ecological enjoying pot can maintain healthy environments and is healthy in culture and easy to maintain. Simultaneously, the culture system provides mode foundation for hobbyists and practitioners.

The invention relates to environment-friendly anticorrosive coating for ships and a preparation method thereof and belongs to the technical field of anticorrosive coatings. Secretion of marine plants is extracted and is cooperated with capsaicine and coral reefs to serve as a natural biological anti-fouling agent; the attachment of bacteria and acorn barnacle is inhibited through actions of anaesthesia, bacterium-resisting, growth inhibition, insect-killing and the like and fouling organisms are repelled; the environment-friendly anticorrosive coating has efficient anti-fouling capabilities, is safe and has no toxin; expanded vermiculite has characteristics that a lamellar structure is similar to montmorillonite and the specific surface area, lamellar exchange density and chemical inertness are higher than those of the montmorillonite, and the expanded vermiculite is used for adsorbing the natural biological anti-fouling agent between layers and gelatin and chitosan are used for carrying out cross-linking sealing so that the slow release aim is realized; the natural biological anti-fouling agent and inorganic filling are combined, so that the biological corrosion prevention effect is combined with the shielding effect and the anticorrosive capability of a coating layer is effectively improved.

The invention provides a microbial immobilization method for self-repairing of concrete cracks and belongs to the field of microbiology and civil engineering material crossing technologies. The methodcomprises the following steps: immobilizing microorganisms or microbial spores in a carrier, and carrying out an immobilization process of wrapping treatment; carrying out a secondary immobilizationprocess of loading nutrient substances in the carrier; and carrying out an embedding process of doping the immobilized carrier obtained by the secondary immobilization process into a concrete raw material, wherein the carrier is coral reef calcareous sand; and the nutrient substances comprise 3, 5-dinitrobenzyl alcohol and sodium trimetaphosphate. According to the method provided by the invention,the survival rate of microorganisms can be increased; the crack repairing width can be increased (the maximum repairing width reaches 1 mm or above, and the average repairing width reaches 0.7-0.9 mm), and the concrete compressive strength is recovered by 80% or above; the compressive strength loss of the repaired concrete under sulfate erosion can be effectively reduced, the sulfate erosion resistance of the repaired concrete is improved, and the durability of the concrete is improved.

The invention discloses an alkali-activated industrial waste residue marine coral aggregate concrete and a preparation method thereof. The concrete is is prepared from mixing industrial waste residue,coral sand, coral reef stone, seawater and alkali activator. The ratio of active ingredient of alkali activator to industrial waste residue, that is, the amount of alkali added is 12%-16%. The alkali-activated industrial waste residue marine coral aggregate concrete not only realizes the resource reuse of the industrial waste residue, solves that problem of industrial waste residue treatment andat that same time, utilizes island-specific material such as coral reef sand and solves the problem of scarcity of traditional building materials in island areas, and realizes the complete substitution of Portland cement in concrete processing, the use of cement is greatly reduced and the carbon emission is correspondingly reduced, and the slump degree of the prepared alkali-activated industrial waste residue seawater coral concrete is up to 210 mm, the compressive strength is over 50 MPa in 28 days and the tensile-compressive ratio is up to 0.086, the strength of the concrete is better than that of the same type of concrete on the market at present, which is in line with the actual engineering application.

The invention relates to a method for creating a novel green cocoon practical variety of silkworms by using GFP protein. The method comprises the step of fusing large amount of the GFP protein in chromoproteins expressing and deciding colors of related marine organisms such as coral reefs and so on in silkworm fibroin by using a transgenic technology for the silkworms, in particular a transgenic technology for a diapause variety, so as to quicken cultivating the novel green cocoon practical variety of the silkworms. The method has the advantages that the method not only quickens practical process of transgenic silkworms greatly, but also produces fiber fabrics capable of being directly applied to weaving silk without being printed and dyed, simplifies spinning technology greatly, saves production cost and is favorable for environmental protection.