19 results about "Offshore water" patented technology

The invention relates to the technical field of ocean remote sensing, in particular to an offshore water quality remote sensing inversion and classification method based on small sample deep learning, which comprises the following steps: acquiring offshore in-situ observation, satellite remote sensing and ocean reanalysis data; carrying out atmospheric correction, carrying out space-time reconstruction on the missing remote sensing reflectivity by adopting a data interpolation empirical orthogonal function, carrying out mathematical transformation on input features, and screening out an optimal feature subset by adopting a strategy based on an average absolute percentage error; constructing a deep learning network based on a generative small sample to invert the offshore soluble inorganic nitrogen and inorganic phosphorus concentration, and determining the water quality grade; and analyzing an inversion mechanism by using an SHAP method. According to the method, the problem of data space-time discontinuity is solved through the data interpolation empirical orthogonal function, the capture capability and inversion precision of the nonlinear relation under the small sample condition are remarkably improved by utilizing the generative network, the model interpretability is realized in combination with SHAP analysis, and scientific support is provided for offshore water quality fine management.

The invention discloses a quantitative prediction method for water logging of a well section of an infilled horizontal well of an offshore water-drive oil field. The method comprises the following steps: S1, dividing a well spacing area of the horizontal well into a plurality of grids; s2, establishing a displacement pressure, gravity and buoyancy coupled flooding thickness quantitative prediction mathematical model, and drawing a waterline propulsion chart; s3, based on the waterline propelling condition, the remaining oil distribution coefficient of the well spacing area is calculated; s4, screening remaining oil gathering grids according to the remaining oil distribution coefficient, and quantitatively judging the water logging condition of the well section of the horizontal well; and S5, reevaluating the enrichment degree of the remaining oil, and further evaluating and determining the potential tapping grid of the horizontal well. According to the quantitative prediction method for flooding of the well section of the infilled horizontal well in the offshore water-drive oil field, three-dimensional representation of the flooding position and the flooding degree of the well section of the infilled horizontal well in a high-water-content oil reservoir can be achieved, the remaining oil enrichment area suitable for implementing the horizontal well can be accurately screened and evaluated, then well position deployment of the horizontal well is guided, and the infilled adjustment effect is improved.

The invention discloses a coastal power plant warm discharge water background temperature calculation method, an electronic device and a storage medium, the background temperature is accurately calculated, and the method comprises the following steps: 1, if remote sensing image data exists before a power plant operates, taking a power plant sea area as a target sea area; and if not, selecting adjacent areas which are similar in shoreline characteristics and are not influenced by warm drainage. 2, selecting a remote sensing image similar to the field observation time for inversion to obtain a sea surface temperature data matrix; and 3, establishing a water temperature gradient observation strip consistent with the resolution interval of the remote sensing image in the target sea area from the shore to the offshore direction, and calculating a temperature mean value. And 4, fitting a curve representing the natural gradient change of the offshore water temperature by using an exponential function model based on the observation strip temperature data. And 5, introducing the water temperature of the reference point. And 6, in combination with the fitting curve and the datum point water temperature, background temperatures of different tidal hours and offshore distances are calculated to form a space-time continuous dynamic background temperature field. And 7, performing difference operation on the actually measured sea surface temperature field and the dynamic background temperature field to obtain an actual temperature rise field of the thermal discharge of the power plant.

The utility model belongs to the field of heat exchangers, and discloses a water-cooling radiator assembly for producing hydrogen by electrolyzing water at sea. Comprising a radiator outer frame, limiting lugs are arranged on the front side face of the radiator outer frame, hanging ring holes are formed in the four edges of the top of the radiator, a plurality of heat exchange coils which are arranged in parallel and are bent from top to bottom are arranged in the radiator outer frame, and the ends, located on the top, of the heat exchange coils penetrate through the top of the radiator outer frame to form water outlets. The bottom end of the heat exchange coil directly penetrates through the top of the radiator outer frame to form a water inlet. The system can provide heat exchange and refrigeration for offshore water electrolysis hydrogen production equipment, saves system power consumption, and remarkably improves system efficiency.

The application discloses a kind of calculation method of coastal power plant warm discharge background temperature, electronic equipment and storage medium, accurately calculate background temperature, comprising:1.If there is power plant before running remote sensing image data, with power plant sea area as target sea area;If not, select adjacent, similar and not affected by warm discharge region of shoreline feature.2.Select and reverse the remote sensing image of the similar observation time, obtain the sea surface temperature data matrix.3.In the target sea area, the temperature mean value is calculated by establishing the water temperature gradient observation strip consistent with the resolution interval of remote sensing image along the coast to offshore direction.4.Based on the temperature data of observation strip, the curve representing the natural gradient change of offshore water temperature is fitted using the exponential function model.5.Introduce the reference point water temperature.6.Combined with the fitting curve and reference point water temperature, the background temperature of different tidal time and offshore distance is calculated to form a spatiotemporal continuous dynamic background temperature field.7.The actual temperature rise field of power plant warm discharge is obtained by difference operation between measured sea surface temperature field and dynamic background temperature field.

This application provides a powder unloading terminal structure based on a screw unloader, including an unloading terminal and a screw unloader. The unloading terminal includes an offshore waterway and a canopy. The offshore waterway is built in the water, avoiding the occupation of shoreline resources, and is suitable for special scenarios where land reclamation is restricted and the construction of impermeable projects is prohibited. Both sides of the offshore waterway have the capacity for ship berthing, and there are at least two offshore waterways, providing support for the canopy structure. The canopy spans the two offshore waterways, and the water area below the canopy is the unloading area. The canopy effectively resists the impact of severe weather, making unloading operations no longer restricted by weather conditions, and also prevents dust from spreading to the outside. The water area outside the canopy serves as a barge area, enabling orderly scheduling and berthing of ships, further improving the operational efficiency of the terminal. The screw unloader is located inside the canopy and can directly unload powder from the ship's hull.

The invention belongs to the field of ocean observation, and particularly relates to a wharf offshore hydrologic monitoring system and method, the system comprises a water surface monitoring device, an anchoring transmission device and a seabed-based observation device, and remote communication connection is realized through a shore-based data receiving and processing system; wherein the water surface monitoring device is arranged above the sea surface and is suspended on the water surface through the buoyancy floating body; one end of the anchoring transmission device is fixedly connected with the lower part of the water surface monitoring device, and the anchoring transmission device is used for supporting and transmitting signals and energy; the other end of the anchoring transmission device is fixedly connected with an anchoring underframe at the upper part of the seabed-based observation device and is used for fixing the overall position of the system and realizing data transmission; the seabed-based observation device is mounted above a seabed, and establishes a data interaction path with the shore-based data receiving and processing system through a communication module of the water surface monitoring device, so that a monitoring, transmitting and receiving link from top to bottom can be formed, and automatic, synchronous and continuous observation of key hydrological elements such as waves, ocean currents, water temperatures and tide levels is realized.

The invention provides scour protection methods and systems comprising a plurality of units, wherein each unit comprises a concrete matrix having a pH of less than 12; and wherein each unit can interlock with another unit: wherein said systems promotes and enhances the marine biological fauna and flora at the proximity of offshore aquatic infrastructures.

The application provides a green offshore pumped storage energy, phase modulation and power generation system, which comprises a wind turbine or a wind turbine group, an offshore water tower, a water turbine, an excitation or permanent magnet synchronous generator and a water pumping pump, the excitation or permanent magnet synchronous generator is located in the offshore water tower, the wind turbine or the wind turbine group is located at the top of the offshore water tower or is distributed around the offshore water tower, the vertical excitation or permanent magnet synchronous generator is coaxially connected with the water turbine, a lower water outlet with a volute is arranged in the offshore water tower, a water storage tank is arranged above the offshore water tower, a tower water chamber, a tower water outlet channel, a sea outlet, a water inlet and corresponding valves and related circuit structures are arranged below the offshore water tower. The system can realize a novel offshore energy utilization, integrates offshore pumped storage energy, offshore power generation and offshore phase modulation into a unified structure, takes into account the operation state of the land power grid, fully utilizes offshore resources and improves the utilization rate of wind power generation.

The application discloses a method and system for in-situ observation of offshore seabed to inverse marine vertical temperature structure, through constructing a machine learning model of physical mechanism, performing machine learning and physical information constraint-based marine vertical temperature profile inversion, realizing high-precision and high-efficiency mapping from in-situ observation data of a single point of seabed to a temperature profile of full water depth, not only improving modeling precision and robustness, but also expanding the application range of existing inversion technology, which can be directly applied to intelligent monitoring of offshore marine environment, digital management of marine ranch, underwater operation support and marine scientific research and other fields, and has important scientific research and engineering application value. The application also solves the technical bottlenecks of applicability, real-time and accuracy of the method for mapping marine vertical temperature from sea surface observation in offshore waters, and is superior to existing statistical regression technology in terms of inversion accuracy, application range, model flexibility and engineering application convenience, and has important application prospect and popularization value.

The utility model discloses an offshore water taking head foundation which is composed of a group pile foundation and a steel mould assembly arranged from bottom to top. The group pile foundation comprises N steel pipe piles, N pile caps and a water taking device fixing frame. The N pile caps are respectively sleeved and fixed on the top sides of the N steel pipe piles, and the top sides of the pile caps are provided with lower connecting flanges. The water taking device fixing frame comprises an annular body, and N upper connecting flanges are fixed on the bottom surface of the annular body in a circumferential direction. The steel mould assembly comprises a steel mould frame, a plurality of limiting frames are arranged side by side and spaced apart, and are fixed on the inner wall of the steel mould frame. The limiting frames are provided with pile foundation limiting holes, and the number and positions of the pile foundation limiting holes on the plurality of limiting frames correspond to the underwater setting positions of the N steel pipe piles one by one. The water taking head installation construction method implemented by using the foundation can greatly reduce the earthwork amount of the open caisson sinking process, improve the pile foundation plane positioning accuracy, and shorten the time of each construction procedure by 2-3 times compared with the traditional process operation, so that the construction efficiency is high and the cost is low.

The invention discloses an offshore water area ecological management and restoration device and method, the offshore water area ecological management and restoration device comprises a supporting table, a treatment box and three conveying assemblies, the treatment box is installed at the top end of the supporting table, and the three conveying assemblies are installed at one end of the treatment box; the filtering frame is arranged at the top in the treatment box; the two medicament tanks are arranged at one end of the upper surface of the supporting table; the stirring assembly I is arranged in the treatment box; the discharging pipe is arranged at the bottom end of the treatment box; and the transfer pump is arranged between the medicament tank and the treatment box. According to the offshore water area ecological management and restoration equipment and the restoration method, the offshore water area substances are conveyed to the treatment box through the conveying assembly, and are fully mixed and reacted with chemicals added into the chemical tank through the stirring assembly in the treatment box, so that various pollutants, such as heavy metals, organic matters and nutritive salts, in the offshore water area can be comprehensively treated; the treatment effect is improved.

The invention and manufacture of a multifunctional amphibious solar tricycle belong to the field of traffic transportation and comprehensive solar energy utilization technology. The technical points of the tricycle are the improvement of the structure of the tricycle, the one-time composite forming of the amphibious vehicle body, the folding solar photovoltaic power generation vehicle body, and the waterproof sealing overall assembly forming of the amphibious solar tricycle. The tricycle can be used as a normal electric tricycle when driving on land, and can also drive freely in rivers, lakes, and offshore waters. The integrated solar photovoltaic panel of the tricycle can convert solar energy into electrical energy to charge the battery. The folding floating plate, hidden air bag, land driving and water driving centralized control system, fully sealed roof cover, hidden self-rescue safety measures, water positioning winch, and self-draining safety system in the vehicle of the tricycle design make the tricycle can be widely used in the fields of aquaculture professional households, express delivery, freight transportation, exploration, tourism motor homes, etc.

The utility model relates to the technical field of sampling devices, in particular to a simple plankton grading sampling device which comprises a device body and a filtering assembly arranged in the device body, the device body comprises an upper connecting part capable of feeding water, a lower connecting part capable of draining water and a filtering connecting part, and the filtering assembly is connected to the inner side of the filtering connecting part. The device body is vertically communicated, the lower side of the upper connecting part is provided with an upper connecting part thread, the upper side of the lower connecting part is provided with a lower connecting part thread, the filtering connecting part is provided with a first connecting thread located on the upper side of the filtering connecting part and a second connecting thread located on the lower side of the filtering connecting part, and the device body is detachably connected. All the parts of the device body are detachably connected through screw-thread fit, an operator can easily detach all the parts, the convenience degree of operation is improved, the efficiency is high, the cost is low, and the sampling requirements of ponds, lakes, reservoirs, rivers, offshore water bodies and the like can be met.

The utility model discloses an integrated new energy diversified application water floating comprehensive system which comprises a floating platform, a plurality of subsystems are arranged on the floating platform, the subsystems comprise an energy supply and storage system, a water traffic oil-to-electricity and commercial facility system and a waste management system, and the systems are communicated with one another through information interaction. Energy self-sufficiency and low carbon are achieved through an energy supply and energy storage system on the floating platform, resource recycling is achieved, multifunctional integration is achieved through a water traffic oil-to-electricity and commercial facility system, diversified requirements of offshore water traffic oil-to-electricity, offshore business, cold chain storage and the like are met, the economic vitality of communities or projects is improved, and the economic benefits of the communities or projects are improved. Meanwhile, a waste management system and a fresh water treatment system are used for treating waste water and garbage and preparing fresh water to form a closed loop, so that environmental pollution is reduced, a comprehensive system is constructed, and energy self-sufficiency, resource recycling and multifunctional integration are realized.

The invention discloses a water quality pollution detector for offshore ecological early warning and a detection method thereof, and belongs to the technical field of offshore water quality pollution detection.The water quality pollution detector comprises a first floating plate, a first motor is installed in the first floating plate, and an output shaft of the first motor is connected with a second floating plate through an adjusting mechanism; the second floating plates are arranged on the side surface of the first floating plate at equal angles; the device further comprises a protection box fixed to the upper end face of the first floating plate, a detection mechanism is arranged in the protection box, and the detection mechanism detects the water quality by extracting seawater of different depths. According to the water quality pollution detector for offshore ecological early warning and the detection method thereof, the auxiliary floating structure is arranged, when sea waves are large, the contact area between the floating structure and the sea surface can be increased, so that the stability of the device is improved, seawater in the sampling structure can be emptied after sampling detection each time, and the detection efficiency is improved. And the influence of residues on the accuracy of next detection is avoided.

The application relates to an offshore water flow multidimensional monitoring system and relates to the technical field of seawater monitoring.The system comprises a telescopic mechanism, a sensor unit and a controller, the sensor unit is arranged on the telescopic mechanism, the sensor unit is used for monitoring the flow direction and flow rate of seawater, the telescopic mechanism drives the sensor unit to move in seawater at different depths, and the controller is electrically connected with the sensor unit and the telescopic mechanism respectively to realize data interaction, control of detection of the sensor unit and telescopic operation of the telescopic mechanism.The application has the effect of improving the accuracy of monitoring of the flow direction and flow rate of seawater.

The invention discloses an offshore area dissolved iron dominant factor identification method based on partial least squares regression. The method comprises the following steps: acquiring sample data of a sea area to be identified, and grouping the sample data according to seasons and water layers based on spatial-temporal heterogeneity of an offshore area; obtaining standardized sample data of different groups; on the basis of partial least squares regression and the standardized sample data of the different groups, determining the number of latent variables of the different groups so as to determine partial least squares regression models of the different groups; variable importance projection values of the environmental factors are calculated, and the environmental factors playing a leading role in the dissolved iron concentration and the influence direction of the environmental factors are recognized in combination with symbols of the environmental factors in the final regression coefficient vector. According to the method, the multi-collinearity problem among environmental factors is effectively solved, refined and situational analysis of the offshore dissolved iron distribution mechanism is realized, the identification result is stable and reliable, the interpretability is high, and a scientific basis is provided for marine environment research and management.

The invention discloses a distributed point-to-point state monitoring method and system for an offshore unmanned surface vehicle cluster, and belongs to the technical field of automatic control. The method is oriented to a formation cluster of unmanned surface vehicles running in open sea, virtual unmanned surface vehicle clusters with the same number as actual unmanned surface vehicles are deployed at a monitoring end, and part of the actual unmanned surface vehicles are responsible for communicating with a shore-based monitoring end; through a distributed control input strategy, the actual unmanned surface vehicle sails along a reference trajectory in a specified formation; and the virtual unmanned ship deployed at the monitoring end designs corresponding control input by utilizing the received quantitative state information of the partial actual unmanned ship, and drives the virtual unmanned ship to perform one-to-one state tracking on the actual unmanned ship, so that point-to-point real-time monitoring on the motion state of the actual water surface unmanned ship at sea is realized. According to the method, the requirement of monitoring the state of the offshore unmanned surface vessel in a distributed formation tracking task can be effectively met.