18 results about "Intertidal zone" patented technology

The invention discloses an automatic tide tank system based on a siphon principle, which relates to the field of ecological simulation and comprises a main tank, a backpack, a low sewer pipe, a siphon device, a negative pressure ingress pipe, a high sewer pipe, a high sewer pipe ball valve and a low sewer pipe ball valve, the knapsack is fixedly connected to the rear portion of the main cylinder and communicated with the interior of the main cylinder, and the low sewer pipe and the high sewer pipe are both vertically placed in the knapsack. The siphon device further comprises a barrel-shaped cavity and a connecting hole, the connecting hole is formed in the bottom of the barrel-shaped cavity, and the barrel-shaped cavity is arranged at the inlet end of the high sewer pipe in a sleeving mode and used for forming a sealable air chamber at the inlet of the high sewer pipe. And the siphon device is fixed at the inlet end of the high sewer pipe through a connecting hole at the bottom. The applicability and customizability of the system are enhanced, and the whole system is simple in structure and high in stability, can efficiently simulate an intertidal zone of a natural sea area and create a tidal hydrological environment, and meanwhile has a good water purification function.

This disclosure aims to improve the accuracy of water level prediction in tidal zones to the same level as in non-tidal zones, using a water level prediction model. [Solution] In this disclosure, the training data extraction unit 4 extracts, as training data necessary for learning the water level at a water level prediction point in the tidal zone, tidal zone water level data EW, at least one of the upstream water level data UW and rainfall data RD, and pseudo-tidal level data that shows a pseudo-tidal level at the water level prediction point at that time, in the past before that time, and in the future before that time. The water level prediction model construction unit 5 constructs a water level prediction model M for predicting the water level at a water level prediction point in the tidal zone using the tidal zone water level data EW, at least one of the upstream water level data UW and rainfall data RD, and the pseudo-tidal level data.

The invention relates to a beach and shallow sea wind power site stratum measurement floating towing positioning system and a measurement method thereof, a seabed site stratum profile measurement device, a navigation positioning device and a power supply device are all carried on an investigation ship, and a floating body towing device is dragged to the stern of the investigation ship through a rope; the seabed site stratigraphic profile measuring device comprises a seismic source, the seismic source is arranged at the bottom end of the floating body dragging device, the navigation positioning device comprises an antenna, the antenna is arranged at the top end of the floating body dragging device, and the antenna and the seismic source are correspondingly arranged; the measurement process comprises the steps of working condition analysis, equipment installation, underway test, data quality test of a submarine site stratigraphic profile measurement device, measurement line layout, underway measurement, data integrity check, site stratigraphic profile data processing and analysis, and drawing and report making. Compared with a traditional beach shallow sea site stratigraphic profile measuring and positioning method, measurement and high-precision positioning of the intertidal zone site stratigraphic profile can be effectively completed, and the measurement precision of the beach shallow sea seabed site stratigraphic profile is improved.

The utility model discloses an intertidal zone bottom observation station frame body, and belongs to the field of marine environment monitoring. Comprising a main rod; the surface of the main rod is sleeved with a fixing assembly, one side of the fixing assembly is connected with a butt joint rod in an inserted mode, one side of the butt joint rod is sleeved with a butt joint plate, one side of the fixing assembly is connected with a connecting rod in an inserted mode, some fixing boxes are connected to the fixing assembly in an inserted mode, and the surface of each fixing box is provided with an anti-corrosion coating. The intertidal zone bottom-supported observation station frame body further comprises a supporting assembly, the supporting assembly comprises a supporting base, a supporting rotating shaft, a supporting rod, a butt joint rotating shaft and a supporting plate, the supporting rotating shaft is rotationally connected into the supporting base, the supporting rod is rotationally connected to the surface of the supporting rotating shaft, the butt joint rotating shaft is rotationally connected into the supporting rod, and the butt joint rotating shaft is rotationally connected into the supporting plate. The surface of the butt joint rotating shaft is rotationally connected with a supporting plate. The intertidal zone bottom-supported observation station frame body has the beneficial effects that the intertidal zone bottom-supported observation station frame body which is multiple in fixation, capable of preventing corrosion and convenient in position adjustment is provided.

The invention provides a floatable mangrove plant support which comprises at least one standard unit, each standard unit comprises a first bamboo raft, a second bamboo raft, a connecting assembly and a bearing assembly, and the first bamboo raft is provided with a plurality of first penetrating holes at intervals; the second bamboo rafts are connected with the first bamboo rafts through fixing bamboo tubes and provided with a plurality of second penetrating holes corresponding to the first penetrating holes at intervals. The connecting assembly comprises a plurality of connecting rod pieces arranged at intervals, each connecting rod piece comprises a tension spring pipe, a tension spring and a transmission pull rod, the tension spring pipes are hinged to the second bamboo rafts, the transmission pull rods are connected with the tension spring pipes through the tension springs, and limiting stop levers are arranged on the transmission pull rods; the bearing assembly comprises a plurality of bearing rod pieces arranged at intervals, the two opposite ends of each bearing rod piece slidably penetrate through the corresponding first penetrating hole and the corresponding second penetrating hole respectively, the bearing rod pieces can be stressed to rotate, a plurality of clamping grooves are formed in the bearing rod pieces in the length direction at intervals, and the clamping grooves can be clamped with the limiting stop rods. The problem that mangrove plants are difficult to transplant in an intertidal zone can be solved.

The utility model belongs to sampling device technical field especially relates to an intertidal zone sampling device, include: mounting bracket, mounting bracket end part installs elastic arc piece, and mounting bracket and elastic arc piece are fixedly connected with the net bag together, be used for the biological body is supported, the mounting bracket upper end fixed support plate, and support plate upper end detachably installs output pipe no. 2, one end of output pipe no. 2 is connected with the power source for flushing biological body, the other end of output pipe no. 2 is connected output pipe no. 1 through pressure control valve, output pipe no. 1 end part detachably installs connector, the connector outside detachably installs multiple universal conveying pipes, and multiple universal conveying pipes detachably install shower nozzle on, are used for flushing biological body. The utility model has more efficient than hammer chisel, the small rock damage, and can collect the small individual in the fragment, and compared with hammer chisel, the position more difficult to force and touch is more convenient.

This invention discloses an integrated tidal flat photovoltaic power station support foundation structure and its construction method, comprising a root pile foundation and a support structure. The main beam of the support structure is installed on top of a pair of columns and reinforced by diagonal bracing. A gap is left between the pair of columns, and the sleeve and collar are installed in the gap, with the sleeve on top and the collar on the bottom. The sleeve sidewall has multiple insertion holes arranged sequentially from top to bottom. The root pile foundation includes, from top to bottom, a pile top, a bamboo-shaped main pile, and a cross plate at the pile bottom. A tubular auxiliary pile is installed outside the bamboo-shaped main pile. The sleeve and collar of the support structure are respectively installed on the pile top and the bamboo-shaped main pile. The pile top has a corresponding waist-shaped hole, which is fixed to the sleeve by pins. This invention is simple to construct, requires less labor, and has strong structural durability. It is suitable for coastal intertidal tidal flat areas with poor foundation bearing capacity, strong environmental corrosivity, large tidal fluctuations, and significant extreme wind loads.

The invention discloses an automatic harvesting and seedling sowing machine for mud flat shellfish, which comprises a vehicle body, a harvesting machine head mounted at the front part of the vehicle body, a vertical lifting mechanism mounted in the middle of the vehicle body, a seedling sowing device mounted at the rear part of the vehicle body, the vertical lifting mechanism comprises an air cylinder mounted on a chassis of the vehicle body, and the output end of the air cylinder is connected with a shear fork type lifting frame; a lifting platform is connected to the top of the shear fork type lifting frame, and a folding plate is hinged to the side edge of the lifting platform. The harvesting, transferring and seedling sowing functions are integrated, coordinated design is carried out, the soil breaking shovel has the functions of harvesting, soil turning, soil breaking and seedling sowing, mechanization of the whole flow of mudflat shellfish culture is achieved, and the operation efficiency is greatly improved; by arranging the vertical lifting mechanism and the foldable lifting platform, automatic unloading of collected shellfishes is achieved, potential safety hazards caused by manual carrying of heavy objects are avoided, and operation safety is improved.

The application provides a method and system for determining a brackish water interaction zone of an estuary wetland, the method comprising: obtaining water depth data and salinity data of a plurality of sampling points in a region to be studied; constructing a salinity-water depth relationship model according to the water depth data and the salinity data of the plurality of sampling points; obtaining distances of a reference point from each of the sampling points along a tidal current direction and salinity data of the plurality of sampling points, and constructing a salinity-tidal current distance relationship model; obtaining tidal data, and determining a boundary of a brackish water interaction zone of the wetland in the region to be studied by using the salinity-water depth relationship model and the salinity-tidal current distance relationship model; and determining a range of the brackish water interaction zone of the estuary wetland in the region to be studied according to the boundary of the brackish water interaction zone of the wetland. The salinity-water depth relationship model and the salinity-tidal current distance relationship model are constructed, so that a dynamic boundary of the brackish water interaction zone of the estuary wetland can be determined, and the determination accuracy of the range of the brackish water interaction zone of the estuary wetland is improved.

The application discloses a cultivation and harvesting method of a string algae and application of the string algae in brackish water desalination, and belongs to the technical field of water treatment. Nodosilinea The string algae (Sp.) MH-2 is derived from the intertidal zone of the South China Sea, and has a preservation number of CCTCC NO: M 2026092. The string algae MH-2 is put into brackish water for cultivation, so that the salinity of the brackish water can be effectively reduced. The string algae grows rapidly and has strong salinity and temperature adaptability, and the biological membrane form of the string algae can well solve the industrial bottleneck of difficult microalgae harvesting, and has unique advantages in the field of water treatment. The method has the advantages of simple operation, low cost and environmental friendliness, can efficiently and stably reduce the salinity of brackish water with different salinity, and can easily realize algae-water separation after treatment. The harvested string algae also has high-value utilization potential, and provides a brand-new green solution for resource utilization of brackish water.

This invention discloses an automatically raising and lowering intertidal upper-layer aquatic organism collection device and survey method, comprising: a pile, a connecting cable, a guide rod, a collar, a limiting component, a float, a net frame, a collection net, a net tail support ring, and a sample collection container; the pile is a hollow tubular structure vertically inserted into the bottom of the mudflat; the guide rod is vertically set and its bottom end is fixed to the bottom of the mudflat; the connecting cable connects the pile and the guide rod; the collar is fitted onto the guide rod and can slide up and down along the guide rod; the float is fixedly connected to the collar; the net frame is fixedly connected to the float; the collection net is a conical net; the net tail support ring is set inside the net tail of the collection net; and the sample collection container is connected to the net tail of the collection net. This invention utilizes the buoyancy of the float to automatically raise and lower with the tidal water level, and the net opening always remains horizontal and facing the direction of the water flow, efficiently and passively collecting upper-layer aquatic organisms drifting with the water flow without human intervention, allowing for long-term continuous monitoring, and has the advantages of simple structure, convenient installation, and high sample purity.

This invention relates to a method and system for constructing an explicit unstructured two-dimensional hydrodynamic model. The method includes constructing an unstructured mesh and identifying wet and dry states based on critical water depths, adapting to complex boundaries; discretizing the governing equations using the finite volume method based on conserved two-dimensional shallow water equations, and simultaneously solving the pressure and velocity terms through an explicit pressure-velocity coupling mechanism to achieve flow field prediction and correction and water depth updates; and combining optimization techniques such as adaptive time stepping and vectorization acceleration to perform time-iterative calculations and output visualized results. Its advantages include: effectively suppressing numerical oscillations under explicit in-situ meshes without requiring implicit or iterative algorithms, thus improving simulation accuracy and stability; improving computational efficiency through algorithm optimization, supporting large-scale mesh simulations; and adapting to complex boundaries such as estuaries and coastlines, providing a scientific basis for integrated estuarine and coastal management and intertidal ecological protection and restoration.

The application discloses cultivation of a double-capsule algae, an active component extraction method and application of an extract thereof in cosmetics, and belongs to the field of marine microalgae cosmetics. Geminocystis The double-capsule algae (D. sp.) MH1 is derived from a tidal zone of the South China Sea, and has a preservation number of CCTCC NO: M 2026091. Experiments prove that water extract, alcohol extract and ester extract of the double-capsule algae have significant antioxidant, whitening, anti-inflammatory and sunscreen effects, and are suitable for preparation of cosmetics with antioxidant, whitening, sunscreen and anti-inflammatory four-in-one effects. The algal strain has high cultivation efficiency, the extraction process is simple, active components are rich, a new way is provided for development of natural, four-in-one cosmetic raw materials, and has a wide application prospect.

The application relates to the technical field of biological sampling, and discloses an intertidal zone biological sampling method and device, which comprises a power plate, a top frame fixedly installed on the top of the power plate, a main handle fixedly installed on the rear side of the top frame, a moving block slidingly installed in the middle of the power plate, a piston cylinder fixedly installed above and below the moving block in the power plate, a connecting rod fixedly installed on the top of the moving block and the top of the piston cylinder, and a piston in the piston cylinder fixedly connected with the connecting rod. The micro air pump is controlled to draw air from below and exhaust air from above by pressing the operation button, so that the pistons in the upper and lower piston cylinders respectively push and pull the moving block to move downwards. At this time, the moving block drives the push-pull rod to move downwards, and then the hinge rod pushes the surrounding clamping frames to expand outward. Then, the expanded clamping frames are sleeved on the periphery of the sampling biological body, and then the micro air pump is started to draw air from above and exhaust air from below, so that the clamping frames are closed to each other, so as to control the biological body in the four clamping frames, thereby completing sampling.

The application discloses a kind of ground surface large-scale hydrodynamics simulation simulation methods based on shallow water equation group, belong to the technical field of fluid mechanics, steps include: introducing bed bottom source term, shallow water lattice Boltzmann equation is constructed;Combining single relaxation model constructs dry-wet boundary processing equation;The model to be simulated is constructed, and the calculation domain is set according to the constructed model;Simulation parameters of the model to be simulated are set;The boundary condition of the model to be simulated is set;According to the shallow water lattice Boltzmann equation and dry-wet boundary processing equation constructed, the dynamic phenomenon of the model to be simulated is simulated.The application uses the above method, on the premise of guaranteeing mass-momentum conservation, significantly improves the calculation stability of dam-break wave front, intertidal zone submergence and other dynamic boundary scenarios, and shortens the time consumption of calculation.

The present application relates to a kind of offshore wind pile foundation scouring device and its construction method.The device includes the support platform around pile foundation, protective layer, embedded structure, constraint torus and pick-up flow platform;The material of protective layer is quick-setting cement blanket;The bottom of support platform is in contact with ground surface, constraint torus is located above support platform, pick-up flow platform is located above constraint torus;Distance is left between embedded structure and support platform;Protective layer is fixedly connected with support platform to form inverted umbrella structure, inner edge of protective layer is fixedly connected with outer edge of pick-up flow platform and forms pick-up flow structure.The present application utilizes the characteristics of quick-setting cement blanket, such as high mechanical properties and impermeability strength, and convenient and rapid hardening of laying forming, builds protective layer of specific structure to make impact water flow pick up and shoot back along the surface of protective layer, avoid water flow scouring pile foundation surrounding ground soil, reduce the adverse effects of water flow on pile stability, and the scope of application covers intertidal muddy seabed.

This invention relates to a mixing and injection device for in-situ solidification of intertidal silt, comprising a tank, a mixing chamber, a pretreatment box, and a conveying box. The mixing chamber contains a first rotating shaft, a main bevel gear, a first driven bevel gear, a second driven bevel gear, and a third rotating shaft. The first driven bevel gear is connected to the second rotating shaft, and blades are mounted on the outer wall of the second rotating shaft. In this invention, by assembling the mixing chamber, pretreatment box, and conveying box within the tank, silt is pumped into the pretreatment box using a silt pump. The blades in the pretreatment box break up any clumps of silt. The broken silt, mixed with a solidifying agent, is then conveyed back into the mixing chamber. The third rotating shaft in the mixing chamber further mixes the silt and solidifying agent thoroughly. After thorough mixing, the mixture is discharged onto the intertidal zone. The blades in the pretreatment box pre-treat and break up any clumps of silt, preventing clogging of the device and improving the mixing effect of the silt and solidifying agent, thereby increasing the solidification efficiency.

The application provides a mangrove intertidal zone adaptive walking and sampling robot based on the anti-webbed feet principle and relates to the technical fields of environmental monitoring and bionic robots. The robot comprises a ship body, webbed foot walking assemblies and a sampling assembly. The ship body is provided with the webbed foot walking assemblies on opposite sides. The webbed foot walking assembly comprises a mechanical leg and a bionic anti-webbed foot. One end of the mechanical leg is connected to the ship body. The bionic anti-webbed foot comprises a webbed foot driving element, a support frame and a webbed membrane. The webbed foot driving element is arranged at the free end of the mechanical leg and connected to the support frame. The webbed membrane is arranged on the support frame. The webbed foot driving element can drive the support frame to expand the webbed membrane downward or make the webbed membrane fold upward to form a closed peripheral surface around the outer periphery of the webbed foot driving element. The sampling assembly is arranged on the ship body and / or the support frame. The robot can reduce the risk of sinking into the ground and reduce energy consumption when walking on complex mangrove intertidal beach terrain, and improve the action efficiency.