1108 results about "Reef" patented technology

The invention relates to a wave generating system comprising a wave generator that travels along the surface of a body of water, and preferably in the middle thereof, wherein the wave generator can create both primary and secondary waves that travel toward the shore. The primary waves are intended to allow surfing maneuvers to be performed in a relatively deep water environment. In the preferred embodiment, the body of water has opposing undulating shorelines upon which the secondary waves can break, wherein by modifying the shoreline's slope and curvature, and providing undulating peninsulas and cove areas, various multiple wave formations and effects can be created.

The invention discloses a composite type artificial algal reef comprising a mature algal reef and a seedling reef. The mature algal reef comprises a solid base. The upper surface of the solid base is embedded with a metal frame, wherein the shape of the metal frame is identical to that of the upper surface of the solid base and the size of the metal frame is identical to that of the upper surface of the solid base. A conch net bag is arranged in the metal frame. The center of the upper surface is embedded with a metal stand column. A steel ring is welded to the upper end of the stand column. A plurality of seedling ropes are fixed between the metal frame and the steel ring. The seedling reef is fixed to the side face of the solid base of the mature algal reef, and algal seedlings are attached to the seedling reef. By the adoption of the composite type artificial algal reef, the attaching effect of alga is guaranteed, the repair period of an algae field is shortened, the success rate of repair and reconstruction of the algae field is improved, the adhesive rate of the seedlings is increased, and the seedling reef is firm, durable, small in size, light, and convenient to carry; the net bag made of waste conches is placed in the metal frame, and a biophile reef can be composed through diffusion and attachment of spores of fronds on the seedling ropes; resource utilization of the waste conches is achieved, and composite type artificial algal reef has the advantages of being economical and easy and convenient to use.

The present invention provides methods for preventing biofilm formation on a surface. The present invention also relates to anti-biofilm forming agents, to methods of producing and using them, and to anti-fouling coatings produced therefrom.

The invention discloses a vegetable cultivation device capable of utilizing a natural light source and being detached and assembled. The device comprises a framework and a plurality of layers of drawer type cultivation groove racks arranged in the framework; a plurality of cultivation grooves are arranged on each layer of the cultivation groove rack; the drawer type cultivation groove racks are connected with the framework through sliding tracks; the isolated layers of the drawer type cultivation groove racks are opened in the same direction, and the adjacent layers are opened in the reverse directions; and the isolated layers of the cultivation groove racks which are opened in the same direction are connected through pipeline type push-pull handles. The device has the low-cost practical characteristics of compact structure, unit combination and full utilization of the natural light source, and can be used for vegetable supplementary security of military supplies of naval vessels and ocean-going fleets, as well as vegetable production in environments of islands and reefs.

The invention discloses a method for identifying a reservoir by combining electrical imaging and a reef geologic model, and belongs to the technical field of marine carbonatite well logging interpretation. The method comprises the following steps of: selecting a carbonatite reef reservoir sedimentary facies model according to a reef reservoir sedimentation model; establishing the correspondence between the reef reservoir sedimentation model and an electrical imaging well logging image characteristic based on an electrical imaging well logging image; establishing an electrical imaging image library of a standard reservoir of the carbonatite reef reservoir; performing rock structure characteristic-based image dynamic enhancement contrast according to images in the electrical imaging image library; and determining a part of a reef phase reservoir, through which a well runs, based on a typical image of an electrical imaging reef phase, and comparing with a typical image of a favorable reservoir to determine the quality of the reservoir. The method greatly improves the coincidence rate of well on-site interpretation and test oil, and is fully applied to various related oil fields in China.

The invention discloses a floating-type alga reef, and aims to provide an alga reef which enables concentrated input of alga seedlings to be conducted effectively, is good in protection effect, is reasonable in alga growing environment and can effectively protect and store alga during a heavy wave attack. The floating-type alga reef comprises an integrated frame, a sea surface floating body and a recovery cable. A plurality of brick grooves are formed in the integrated frame, alga bricks are arranged in the brick grooves, brick inhaul cables are arranged on the alga bricks, a main center pillar is arranged on the integrated frame, the main center pillar is connected to the sea surface floating body, a plurality of tensioning bodies are arranged on the main center pillar, and each brick inhaul cable is connected to one of the tensioning bodies. When the brick inhaul cables are in a tensioned state, a section of each brick inhaul cable is wound on the tensioning body where the brick inhaul cable is connected, each tensioning body is a drum arranged on the main center pillar in a sleeving mode, and the tensioning bodies are fixed to the main center pillar through fixing pieces. The floating-type alga reef has the advantages that initial-stage protection of the seedlings can be realized, the loss that the alga is damaged during the heavy wave attack can be reduced, and harvesting of the alga and reuse of the integrated frame are convenient.

The invention discloses an automatic berthing system and method of an unmanned vessel. The automatic berthing system comprises a quay berth management subsystem and an unmanned vessel berthing subsystem, wherein the quay berth management subsystem carries out automatic identification and management on berths according to image information collected by a camera, and performs data interaction with the unmanned vessel on the automatic berthing process through a wireless communication device; and the unmanned vessel berthing subsystem carries out information fusion processing on camera data, ultrasonic data, GPS data and environment monitoring data, and completes the automatic berthing process of the unmanned vessel by combining berth information received by a vessel-based wireless communication device. The automatic berthing system realizes automatic berthing of the unmanned vessel, has important significance for realizing the unmanned island-reef replenishment process, can effectively improve the safety of the island-reef replenishment process and the replenishment efficiency, and reduces the replenishment cost.

The invention provides a seedling inserting rope-shell combined artificial algal reef, comprising a frame type bottom groove which is formed by welding reinforcing steel bars, wherein the bottom groove comprises a bottom surface and four lateral surfaces. A steel plate is welded on the centre of the bottom surface, a vertical rod is welded on the centre of the steel plate, the other end of the vertical rod is welded with a steel ring, the steel ring is connected with the bottom groove through the seedling inserting rope, and a shell net bag is arranged in the bottom groove. The net bag made of waste shells are put into the frame type bottom groove to form a biological closeness reef and realize the resource utilization of the waste shells, so the algal reef has advantages of economic, simple and convenient. The invention adopts the seedling inserting ropes to insert the seaweeds and adopts the rough surfaces and porous structures of the shells and the spaces among the shells to provide a good habitat for microorganism and food organism or provide a best environment for rooting the seaweeds. When a certain number of the seaweeds are bred, a large number of oxygen can be produced, and carbon dioxide in the water can be reduced, so that the water can be purified, and the red tide can be prevented.

The invention provides seawater coral aggregate concrete prepared by matching low-heat portland cement for ocean projects, a seawater coral aggregate concrete salt fixing agent, a pre-screened natural coral-sand mixture (with the particle size of 0-20 mm), a pre-screened broken coral-sand mixture (with the particle size of 0-31.5 mm), a coral aggregate seawater concrete water reducing agent, a concrete retarder, a concrete defoaming agent, natural seawater or primary desalined seawater. With application of the seawater coral aggregate concrete, the shortcomings that ordinary cement and low-strength coral concrete easily generate long-term strength back shrinkage, skin cracking and peeling of surface salt marsh, frequently happening shrinkage cracks and temperature cracks and poor new mixing workability and thus cannot be pumped for construction on service in a tropical offshore reef harsh environment can be overcome; the ratio of used local materials reaches up to 75% or more, so the shortcomings of high cost, time consuming, labor consuming, high energy consumption and low efficiency due to long-distance sea transportation of ordinary concrete large-amount raw materials in offshore reef construction projects can be overcome.

The invention discloses a treatment method for blow-filling a foundation on islands and reefs in South China Sea with carbonate sand. The method comprises the steps that 1, construction and measurement are conducted; 2, a conveying pipe is laid; 3, a dredge boat sucks seabed carbonate sand; 4, a microorganism bacteria solution and a nutrient solution are prepared; and 5, materials are sufficiently aerated and stirred in a mixing tank. The treatment method has the beneficial effects that a microorganism curing agent is added into the mixing tank, so that microorganisms and the carbonate sand are sufficiently stirred and mixed in the mixing tank, then the mixed carbonate sand blow-fills a reef, and then the processed foundation is formed. In this way, after a period of time, the strength, deformation and stability of the processed foundation formed by the mixed carbonate sand all meet the engineering construction requirement, and other redundant foundation treatment measures are not needed. The treatment method has the remarkable characteristics that construction is convenient, the project cost is low, the construction period is remarkably shortened, and pollution to the environment is avoided.

Using electric power obtained by marine wind force and a tide, sea water is electrolyzed to produce fresh water, sodium, magnesium, calcium, potassium, caustic soda, chlorine, hydrochloric acid, sulfuric acid, hydrogen, oxygen or the like, at the same time, unloaded malts, saw dust and the like are fermented to brew ethanol, carbon dioxide generated here is used for photosynthesis to culture vegetables and oxygen generated here is supplied to a fish preserve and an under reef where fish live to culture fishes and also returned to sea water dropped in the concentration of oxygen to suppress the generation of a red tide.

The invention provides an artificial upflow floating type aquatic organism resource breeding reef, comprising a floater (1), a check valve (2), an upflow pipe (3) and a counter weight (4). The artificial upflow floating type aquatic organism resource breeding reef is characterized in that the floater (1) is arranged above the upflow pipe (3), the check valve (2) is arranged in the upflow pipe (3), the counter weight (4) is arranged below the upflow pipe (3), and the floater (1) is connected with a fixing anchor (6) through an anchor-tied mooring rope (5). The fabrication method of the invention comprises the following steps of: manufacturing molds of all parts, carrying out casting forming or other processing forming, and assembling. The invention has the advantages of simple structure, scientific design, low cost, higher practicability and convenience, economy, and suitability to wide popularization, and the artificial upflow floating type aquatic organism resource breeding reef can effectively utilize wave energy to form an artificial upflow field so as to suck deep nutritive salt in a placed water area to water body on a surface layer, thereby improving primary productivity and blooming aquatic organisms.

The invention provides a method and a device for exploiting a deep-sea natural gas hydrate. At present, the development of a submarine natural gas hydrate is still at a starting stage; conventional methods of mechanical fishing, mechanical extraction, hot water perfusion, drilling platform collection and the like are used more frequently; the cost is higher; moreover, the instable natural gas hydrate is easily enabled to excessively decompose; a submarine topography is damaged; according to the method and the device for exploiting the deep-sea natural gas hydrate, on the basis of a hot water perfusion method, a movable bell-mouth-shaped gas collecting hood group and a gas collecting pipe network are arranged at the bottom of a sea; a leakage is prevented; the natural gas hydrate is gasified at a sea bed through the approaches of a temperature rise, a pressure reduction and the like; a gas bubble is collected by a gas collecting hood to be directly led to an offshore platform or an island/reef reservoir. A heat source for the temperature rise can come from the waste heat of a factory on a coast or an island; meanwhile, the submarine topography is protected by comprehensively utilizing the mill tailings of a solid mineral product for backfilling. The method and the device for exploiting the deep-sea natural gas hydrate have the advantages that energy sources are saved; the submarine topography is protected, the waste heat and a waste residue are comprehensively utilized.

The invention provides an ecologically adjustable fish reef ecological floating bed device. The device comprises a floating bed frame, a plurality of fish reef module units and aquatic plants, wherein each fish reef module unit is connected with one another and fixed by the floating bed frame and comprises a grid and an organism ceramsite layer, a fish reef channel layer and a packing layer which are arranged from top to bottom sequentially and are separated from one another by interlayers; the grids surround around the organism ceramsite layers, the fish reef channel layers and the packing layers and the bottoms of the packing layers respectively; fish reef passages are respectively opened around the fish reef channel layers; holes are opened at the position, corresponding to openings of the fish reef passages, of the grids to make the fish reef channel layers communicate with outside; and the aquatic plants are arranged on the organism ceramsite layers. The device can ensure the normal growth and prevent the overgrowth of the aquatic plants at the same time; and meanwhile, a simple food chain of 'organisms-planktons-fishes' is formed inside the device to improve the purifying capacity of water of the device.

The invention discloses water-absorbent concrete and a preparation method thereof. The water-absorbent concrete comprises cement-kind gelling materials and aggregate, and the aggregate is water-absorbent resin expansion parts which replace aggregate such as broken stone or pebble in components of common concrete. The preparation method for the water-absorbent concrete includes: firstly permeating water into water-absorbent resin powder to enable the water-absorbent resin powder to be quickly expanded by at least 20 times, then adding water in quantity needed for hydration reaction into the cement-king gelling materials for blending to form cement paste, stirring the water-absorbent resin expansion parts with the paste to enable the water-absorbent resin expansion parts to be coated by the cement paste, and finally forming the water-absorbent resin concrete after setting and hardening. The water-absorbent resin concrete prepared by the method is high in strength, light in dead weight, convenient for long-distance and high-drop pumping construction of low-power centrifugal pumps, capable of being mixed and transported on shipboard, free of setting of special material sites, simple in preparation process and capable of effectively solving the problem of a great quantity of conventional raw material supply and inconvenience in transport in high-sea island and reef and the like.

The invention relates to artificial fish reef concrete and a preparation method thereof. The artificial fish reef concrete is prepared by raw materials including cement, mixing water, fine aggregate, stone and an additive, wherein the mass proportion of the cement to the mixing water to the fine aggregate to the stone is 1: (0.3-0.5): (1-1.8): (2.4-3.4); the artificial fish reef concrete is de-molded after being cast for 12 to 24 hours, and the de-molded artificial fish reef concrete is maintained in seawater for 7 to 28 days. The artificial fish reef concrete and the preparation thereof have the characteristics that a rapid-hardening sulphoaluminate cement is used as a cementing material, and the cementing material generates little Ca(OH)2 after being hydrated. Through maintaining the artificial fish reef concrete by seawater, the performance is excellent; in a natural sea area, the pH (potential hydrogen) of a pore liquid seeping from the surface of the concrete is similar to the pH value of the seawater in a short time, therefore, the concrete is beneficial for marine organisms such as sea algae and microorganism to adhere and breed; meanwhile, the concrete also has excellent workability, high strength and higher durability.

Disclosed are a sinking-floating control device and a multi-working-condition sea cucumber search fishing device capable of sinking and floating. The multi-working-condition sea cucumber search fishing device capable of sinking and floating comprises open type buoys, a high pressure gas cylinder, control valves, a chassis framework, electric wheels, a driven wheel, a steering vertical shaft, a tail vane, a propeller, motors, a mechanical arm, a suction tube, a camera, warehouse and an umbilical cable. The top of each buoy is provided with the normally closed type control valve, and the bottom of the buoy is provided with a normally open opening; the high pressure gas cylinder is connected with a tee joint, one opening of the tee joint is normally closed, the other opening of the tee joint is firstly connected with the normally closed type control valve and then is connected with a high pressure air duct continuously; the other end of the high pressure air duct is communicated with the corresponding buoy. Every motor and the camera are all connected with the umbilical cable through wires. The suction tube is attached to the mechanical arm, and the front end of the mechanical arm is provided with the camera and a clamp. The multi-working-condition sea cucumber search fishing device capable of sinking and floating is multifunctional and has strong environmental suitability, can achieve the floating movement, searching and fishing by sinking to the bottom, and sea floor travelling of the fishing device; can adapt to multiple seabed environments of mud, sand, reef, rock and the like, and can suck and catching sea floor objects such as sea cucumbers quickly, stably and accurately both in still water and running water.

The invention relates to an artificial fish reef throwing method for an open sea area, relating to the technical field of artificial fish reef construction and aiming to solve the technical problems on increasing throwing efficiency and throwing precision. The method comprises the following specific steps of: (1) setting the GPS coordinates of the planned throwing point of an individual fish reef, and sailing a positioning ship against the current to the planned throwing point; (2) firstly, finding out the coordinate position of the planned throwing point at the bow of the positioning ship, sailing the positioning ship against the current away from the planned throwing point, anchoring, and putting a floating ball marker tied with a floating rope into water so that the floating ball marker floats on the coordinate position of the planned throwing point; (3) sailing a throwing ship against the current to the side of the floating ball marker, and anchoring in a head and tail anchor dropping mode; and (4) throwing the individual fish reef on the throwing ship to the throwing point marked by the floating ball marker by using hanging and throwing equipment. The method provided by the invention can improve the construction effect of the artificial fish reef.

The invention provides a method for exquisitely depicting and predicting edge structures of carbonate platforms. The method comprises the steps of: establishing a high-resolution sequence stratigraphic framework through well-seismic combination; recovering an ancient landform according to a stratum residual thickness map and determining a development position of a platform edge; exquisitely dissecting the platform edge by utilizing seismic data, establishing development modes of different platform edge zones at different periods, and analyzing a development issue and a superposition style of areef flat body; determining plane distribution characteristics of the platform edge and development issue and scale of the reef flat body therein, and delimiting a beneficial reef flat development zone of the platform edge zone; and forwardly modeling the growth of a platform by using geological software, and optimizing a prediction result. The method for exquisitely depicting and predicting edgestructures of carbonate platforms is mainly based on a sedimentology theory and a sequence stratum theory, and is capable of carrying out exquisite dissection on platform edge structures and predicting distribution positions beneficial for reef flat bodies by sufficiently utilizing outcrop, seismic and drilling data, thereby improving the exquisite degree of platform structure depiction.

The invention relates to a method for exploding underwater complex rock, especially be used in the condition that the rock is coated or the geometry is complex, wherein the invention uses high-pressure gas or high-pressure water to brush; the high-pressure gas or water via the through hole of driller will brush clear the coat and stone layer on the rock to expose the rock; the rotation head of driller drives the driller to designed depth, or using muffle following method, to arrange the combined drilling rod on the coat; the rotation head drives the central driller to the eccentric wheel, while the diameter of drill hole is larger than the diameter of muffle; the muffle and central driller are through the coat to drill to the designed depth; then taking out drilling rod or combined drilling rod away the muffle or outer muffle; and the explosive is poured into the muffle or outer muffle to the hole bottom; then drawing out the muffle or outer muffle to take out explosive line; the repeating drilling several explode holes; and starting explosion. The invention can improve the working efficiency and reduce cost without diver.

The invention discloses a coagulation composite sealing agent, which comprises components in percentage by weight: sodium silicate 3-6, potassium silicate 2-4, magnesium oxide 10-20, calcium carbonate 20-30, shell powder 15-30 and calcium oxide 5-10, which are evenly mixed and stirred under normal temperature and pressure. The invention is characterized by repairing and coagulating fractures, not bearing the pressure of leakage stratum well walls, being capable of freely pumping, forming concretion substances coagulated on easy broken well walls of leakage channels and leakage fractures and the like. The sealing agent is extensively applicable to petroleum and geology boring projects, in particular to application in bearing and leak-stopping processes of low-voltage brokenness stratums, reef limestone stratums and fracture stratums.

The invention relates to an underwater energy-gathered blasting device. The invention provides the underwater energy-gathered blasting device and a blasting method. The underwater energy-gathered blasting device and the blasting method are used for improving a use ratio of blasting energy in underwater blasting, and meanwhile preventing an energy-gathered dynamite package from drifting or toppling under the action of water flow. The technical scheme includes that the underwater energy-gathered blasting device is characterized by comprising an energy-gathered dynamite package structure body and a support which is connected with the energy-gathered dynamite package structure body in a rigid mode, and is used for improving stability of a whole structure, wherein the energy-gathered dynamite package structure body comprises a cylindrical side wall, a top plate arranged at the top end of the side wall, and a sealed base arranged at the bottom end of the side wall, a semi-spherical dynamite type cover is arranged at the bottom of a cavity which is defined by the side wall, the top plate and the base, a semispherical energy-gathered cavity is formed between the semi-spherical dynamite type cover and the base, dynamite is filled in the cavity and the energy-gathered cavity, and meanwhile a detonator hole is formed in the top plate. The underwater energy-gathered blasting device and the blasting method are applicable to removal of obstacles such as hard reefs in a complicated underwater environment of a sea.

The invention provides a street view data acquisition and measurement method. The street view data acquisition and measurement method comprises the following steps: providing vehicle-mounted street view data acquisition system, wherein the vehicle-mounted street view data acquisition system comprises a three-dimensional laser scanner, a GNSS/IMU (Global Navigation Satellite System/Inertial Navigation Unit) integrated positioning and attitude determination system and a panoramic camera; acquiring point cloud data by utilizing the three-dimensional laser scanner; acquiring time position and attitude data by the GNSS/IMU integrated positioning and attitude determination system in real time; acquiring panoramic image data carrying positions and attitudes by adopting the panoramic camera; resolving the point cloud data and fusing the point cloud data with the time position and attitude data to obtain WGS84 geodetic coordinate system laser point cloud of a ground object; matching the point cloud data with the panoramic image data; establishing three-dimensional model data according to the WGS84 geodetic coordinate system laser point cloud and the panoramic image data carrying the positions and the attitudes. The system provided by the invention can be widely applied to the fields including three-dimensional digital cities, urban management component surveying, expressway reconstruction and expansion, transportation infrastructure construction measurement, three-dimensional measurement of mines, navigation channel embankment measurement, three-dimensional measurement of island reef shorelines and the like.