141 results about "Deep sea mining" patented technology

The invention relates to the technical field of deep-sea mining, and discloses an extrusion rotary type deep-sea multi-metal nodule low-disturbance collecting device which comprises a set of skid mechanisms formed by all-terrain skid plates arranged side by side, all-terrain skid plates are connected with direction skid through steering pull rods, each skid mechanism is provided with a grating storage cabin, and the grating storage cabins are connected with the all-terrain skid plates through steering pull rods. The inlet end of each grid storage bin is connected with a grid pressing shovel installed on the skid mechanism through a rotary collecting head. According to the invention, the all-terrain skid plates are used as walking mechanisms, so that low-disturbance advancing can be realized on one hand when the multi-metal nodules are collected by walking, and on the other hand, the advancing direction and operation attitude can be adjusted in real time by the cooperation of the multiple groups of all-terrain skid plates, so as to meet different collection requirements of the multi-metal nodules; meanwhile, a combined structure of the grating pressing shovel, the rotary collection head and the grating storage cabin is taken as a core, so that the multi-metal nodule in a buried or semi-buried state can be shoveled up in a low-disturbance manner, and environment-friendly collection is realized.

The invention discloses a deep-sea mining area sediment plume dynamic monitoring system and a multi-module fusion analysis method thereof, and belongs to the technical field of deep-sea environment monitoring and ocean engineering. The system comprises a fixed monitoring unit and a movable monitoring unit, the fixed monitoring unit is composed of an in-situ optical and three-dimensional sonar observation base station, a sediment capturer array and a multi-parameter sensor array and is arranged in a mining area; and the mobile unit comprises an AUV (Autonomous Underwater Vehicle) carrying a multispectral laser radar and an ROV (Remote Operated Vehicle) carrying a binocular vision system and a micro sampler. According to the analysis method, a plume motion field is extracted through multi-source data fusion, dark channel defogging and a pyramid optical flow method, a physical-data dual-drive model is constructed to simulate the plume diffusion and settlement process, a three-dimensional dynamic thermodynamic diagram is generated in real time, and an intelligent early warning threshold value is set based on the diffusion radius and the settlement flux. According to the invention, plume multi-scale, high-precision, real-time and dynamic monitoring and evaluation are realized, and deep-sea mining operation optimization and environment compliance supervision are effectively supported.

The invention discloses a relay bin device capable of intelligently detecting and adjusting the mineral height and a deep-sea mining system.The relay bin device comprises a relay bin, a height adjusting unit, a detecting unit and a self-cleaning unit, the height adjusting unit comprises a shell assembly, an air bag assembly and a piston assembly, the shell assembly is arranged in the relay bin, and the air bag assembly is arranged in the relay bin; the air bag assembly is arranged in the shell assembly, a high-pressure air chamber is formed in the air bag assembly, the movable end of the piston assembly extends into the high-pressure air chamber and is in sealed sliding connection with the high-pressure air chamber, and the movable end of the piston assembly can move up and down in the axial direction of the relay bin by inflating and deflating the high-pressure air chamber so as to adjust the height of mineral particles; the detection unit comprises a high-pressure waterproof radar and a high-pressure waterproof ultrasonic sensor, and the high-pressure waterproof radar and the high-pressure waterproof ultrasonic sensor are arranged on the two sides of a discharging port of the relay bin respectively; the cleaning end of the self-cleaning unit faces the high-pressure waterproof ultrasonic sensor and is used for cleaning the high-pressure waterproof ultrasonic sensor regularly.

The invention discloses a resource scheduling optimization method for a deep-sea mining comprehensive control system, relates to the technical field of deep-sea equipment automation and control, and fundamentally solves scheduling barriers caused by resource isomerism and task complexity in the deep-sea mining system by creating a virtual resource pool and an elastic task block. Attributes and states of various physical resources are packaged into a virtual resource pool with a unified service interface, so that a scheduling system does not need to pay attention to physical implementation details of the resources, the resources can be inquired, reserved and distributed only through a standardized interface, meanwhile, a macroscopic mining task is decomposed and defined as fine-grained elastic task blocks, and the resource utilization rate is improved. Each task block clearly declarates the required resource type, quantity and target position, the decoupling architecture enables the resource scheduling problem to be converted into the dynamic matching problem between the task blocks and the resource pools, and any task block can be quickly allocated to any resource pool with corresponding capability.

The invention relates to the technical field of composite armored cables, and discloses an intelligent sensing type photoelectric composite armored cable for deep-sea mining equipment, which comprises a cable core formed by twisting a plurality of power cable core conductors, an optical fiber communication unit, a medium conveying pipeline and an intelligent sensing unit, and an outer coating layer, tin-plated annealed copper wires and high-strength copper foil wires are arranged in a conductor of the power cable core, an insulation shielding layer is wrapped outside the conductor, the intelligent sensing unit integrates a plurality of optical fibers and optical fiber grating sensors, a loose structure is arranged outside the intelligent sensing unit, one intelligent sensing unit is used for monitoring strain distribution, the other intelligent sensing unit is used for monitoring temperature distribution, and other redundant optical fibers are used as redundant backups. A certain length of grid region interval is preset, distributed measurement along the length of the cable is realized, a sensing optical fiber in the intelligent sensing unit is connected to an optical fiber demodulator of a deck control room, a software system displays strain, temperature, vibration and form data of each point of the cable in real time, an alarm threshold value is set, and the structure is highly integrated and can adapt to a deepwater environment.

The invention provides a deep-sea mining umbilical cable truncation model experiment device and method.The deep-sea mining umbilical cable truncation model experiment device is characterized in that motion control equipment is installed on the upper portion of a water tank, and the two ends of an umbilical cable model are fixedly connected with the motion control equipment and base position adjusting equipment in a one-to-one correspondence mode through hydrodynamic monitoring equipment; the configuration optical monitoring device is installed on the base position adjusting device, and the umbilical cable model is located in an ocean engineering pool. The motion control device is used for driving one end of the umbilical cable model to move. The hydrodynamic monitoring device is used for measuring the top tension and the bottom tension of the umbilical cable model. And optical monitoring equipment is configured to detect the overall displacement of the umbilical cable model. The base position adjusting device is used for adjusting the horizontal distance between the bottom end and the upper end of the umbilical cable model. The acquisition of the overall displacement and top and bottom tension of the umbilical cable model is facilitated, and data support is provided for deep-sea mining.

The invention provides a deep-sea mining hydraulic lifting pipeline concentration monitoring method and system, and belongs to the field of deep-sea mineral resource development and detection. According to the application, a transfer learning neural network model is constructed by adopting indoor model experiment data and a small amount of field measured data, and a full-closed-loop system from indoor laboratory pre-training to deep sea online accurate concentration measurement is formed by fusing a multi-scale convolutional network, a multi-head attention mechanism and a transfer learning algorithm; therefore, the purpose of remarkably improving the real-time monitoring precision is achieved. The deep-sea mining hydraulic lifting pipeline concentration monitoring system comprises a source domain data construction and model pre-training subsystem used for constructing a land source domain data set and generating pre-training model parameters. And the target domain data acquisition and online migration monitoring subsystem is used for acquiring deep sea target domain data and loading pre-training parameters to execute online monitoring.

The present application relates to the technical fields of deep-sea mining, and particularly relates to a closed deep-sea mineral lifting system, which comprises a sea platform, the sea platform having a first mineral-water separation device and a high-pressure water pump in communication with each other; a circulating pipeline, one end of the circulating pipeline being in communication with the high-pressure water pump, and the other end of the circulating pipeline being in communication with the first mineral-water separation device; a water inlet assembly, the water inlet assembly being in communication with the circulating pipeline; a relay platform, the relay platform being capable of being suspended in seawater, and the relay platform being provided with a storage bin; a water pumping assembly, the water pumping assembly being in communication with the storage bin, and the water pumping assembly being used for discharging seawater in the storage bin into the sea; a mining assembly, the mining assembly being in communication with the storage bin; and a feeding assembly, the feeding assembly being arranged between the storage bin and the circulating pipeline, and the feeding assembly being in communication with the circulating pipeline, and the feeding assembly being used for injecting mineral slurry in the storage bin into the circulating pipeline. The present application can realize efficient lifting of minerals, and reduce the influence on the marine ecology.

Crushing and feeding equipment and deep-sea mining and transport system [Solution] The crushing and feeding device of the present invention includes a main body and a hydraulic motor, the main body having at least one roller inside, the roller fitted onto a corresponding roller shaft, the roller shaft rotatably connected to the main body, at least three identical disc blades spaced equally apart in the axial direction of the roller, each disc blade having at least one cutting edge, plugs provided on both the front and rear vertical surfaces of the main body, the plugs fitting into the gap from the roller to the vertical surface of the main body, and the power output shaft of the hydraulic motor connected to the roller shaft. The deep-sea mining and conveying system of the present invention includes a relay station, a mixed-flow pump, a lifting pipe, and a mother ship, the relay station including a supply barrel, a supply pipe, and the crushing and feeding device connected in order from top to bottom, the lower opening of the supply pipe connected to the lifting pipe.

The invention provides a method for offshore smelting and processing of deep-sea nickel-cobalt-manganese polymetallic ore, and relates to the field of deep-sea mineral resource development. The method comprises the following steps: crushing, grinding and pulping the deep-sea nickel-cobalt-manganese polymetallic ore to obtain raw ore pulp; mixing the raw ore pulp with sulfuric acid to obtain a mixture, and carrying out high-pressure acid leaching with step-by-step heating on the mixture to obtain high-temperature and high-pressure acid leaching pulp; the high-temperature and high-pressure acid leaching ore pulp is subjected to step-by-step depressurization flash evaporation concentration, and concentrated ore pulp is obtained; carrying out solid-liquid separation on the concentrated ore pulp to obtain a leaching solution and leaching residues, precipitating nickel, cobalt and manganese in the leaching solution, and carrying out solid-liquid separation to obtain a nickel-cobalt-copper enrichment and a post-precipitation solution. According to the method, ore is subjected to rough smelting processing on the sea, only target components are recycled, enriched and transported back to the land for smelting, the transportation amount is reduced, most useless components are backfilled to the seabed after being cured, and the seabed after deep sea mining can be repaired easily.

The application discloses a kind of based on flow pattern recognition's deep sea mining multiphase flow particle delivery prediction and regulation method, the method includes: by acquisition equipment periodic acquisition pressure in pipeline, flow, bubble or droplet volume fraction, solid particle volume fraction in different positions;According to pipe diameter and the gas-liquid ratio obtained by calculation, mixed flow velocity, call pre-built flow pattern division algorithm, distinguish bubble flow, slug flow, vortex, annular flow;Solve the gas-liquid discrete unit volume fraction of any diameter in different flow patterns;According to the gas-liquid discrete phase volume fraction, obtain the delivery speed of solid particles in multiphase flow;Whether the solid particle delivery speed obtained is judged to reach the best interval, according to the result control multiphase flow in pipeline flow pattern or gas-liquid ratio, to adjust the delivery speed of solid particles.The present application can improve the efficiency of seabed mineral exploitation, and avoid the dangerous flow pattern formed by unreasonable gas-liquid distribution ratio, efficiency and safety are taken into account.

The deep-sea mining system comprises a mining device, a mining ship, a transfer device and a transport ship, the mining device comprises a walking assembly, a crushing assembly, a spray head assembly and a collecting assembly, the crushing assembly, the spray head assembly and the collecting assembly are all arranged on the walking assembly, the walking assembly is used for walking in deep sea, and the collecting assembly is used for collecting the spray head assembly. The crushing assembly is used for crushing the seabed sediments, the spray head assembly is used for spraying the crushed seabed sediments so that the crushed seabed sediments can be flushed into the collecting assembly, the mining ship is used for collecting the seabed sediments, and the transferring device is connected with the collecting assembly and the mining ship. The transport ship is suitable for floating on the sea surface, the mining ship is matched with the transport ship, and the transport ship can move on the sea surface relative to the mining ship, so that the submarine sediments on the mining ship can be transported through the transport ship. The deep-sea mining system has the advantages of low cost, high mining efficiency and the like.

The invention discloses a multi-spiral synergistic coupling type mixer for deep-sea mining, and relates to the technical field of mixers, the multi-spiral synergistic coupling type mixer comprises: a housing having a feed inlet for feeding and a discharge outlet for discharging; the spiral cutting blade is rotationally arranged at the front part in the shell and is positioned at the feeding hole; the bionic tooth spiral sheet is rotationally arranged at the front part in the shell and is positioned at the feeding hole; and the bionic fin spiral sheet is connected to the end parts of the spiral cutting blade and the bionic tooth spiral sheet and is rotationally positioned at the rear part in the shell, so that the crushed materials are discharged through the discharge port. According to the invention, a three-spiral cooperative crushing structure with an equilateral triangle layout is adopted, the bionic tooth spiral sheets realize primary crushing through extrusion, the spiral cutting blades perform secondary fine crushing, and the graded crushing design ensures that minerals are fully crushed; and the retention time and the contact area of the materials in the cavity are increased through cooperative rotation of the three helixes, so that the crushed minerals are uniformly mixed with a conveying medium, and the subsequent separation and purification efficiency is improved.

The application discloses a kind of autonomous operation methods of deep-sea mining car, and mining car is equipped with sonar sensor, camera sensor and control unit.Through sonar, three-dimensional point cloud information of seabed operation area is obtained, and synchronous positioning and map construction are carried out in combination with vehicle pose, to form global point cloud map;Based on the map, cubic surface fitting is carried out on seabed topography, to generate continuous three-dimensional curved surface model;Through camera, seabed image is collected and sulfide target is identified, in combination with camera calibration parameter, vehicle real-time pose and curved surface model, two-dimensional target information is mapped to global coordinate system, to obtain target three-dimensional space position;Construct the grid map containing sulfide target distribution and operation state mark, generate target-oriented mining operation path, and control mining car to execute mining operation;After operation is completed, detection and identification are carried out again using sonar and camera, and operation completion state is updated.The application improves target positioning accuracy, path planning efficiency and autonomous operation ability in deep-sea mining.

The present application belongs to the technical field of deep-sea mining, and discloses an artificial nodule laying device and method for deep-sea mining, which is arranged on a mining robot and moves with the mining robot; the device comprises: a bearing main body connected to the mining robot, the bearing main body carrying a plurality of artificial nodules; an identification unit connected to the bearing main body, used for scanning a seabed area after mining to obtain coordinates and size parameters of a pit formed after mining; and a material moving mechanism connected to the bearing main body and in communication connection with the identification unit, the material moving mechanism being configured to transfer and drop the artificial nodules from the bearing main body into the pit, and the artificial nodules in the pit being capable of being converted into a natural-like multi-metallic nodule. The present application can not only repair damaged seabed topography formed by mining in real time, but also restore a natural nodule hard matrix habitat, so as to realize in-situ repair of seabed topography and long-term ecological compensation in the process of deep-sea mining.

The present application belongs to the technical field of deep-sea mining equipment, and provides a step-by-step seabed mining vehicle and a use method thereof. The mining vehicle comprises: a traveling unit having a first truss and a second truss that can slide relative to each other, for supporting and walking of the mining vehicle on the seabed; a mining unit arranged below the second truss, for collecting seabed minerals; a transfer unit connected to the mining unit at one end, for transferring seabed minerals; a temporary storage unit arranged above the second truss and connected to the other end of the transfer unit, for temporarily storing seabed minerals; and a motion control unit for providing power to the traveling unit, the mining unit and the transfer unit and controlling the operation thereof; wherein the first truss and the second truss can be alternately supported on the seabed, so as to realize step-by-step walking of the mining vehicle on the seabed through the relative sliding of the first truss and the second truss. Compared with a caterpillar-type seabed mining vehicle, the mining vehicle can walk on the seabed in a step-by-step manner, greatly reducing seabed disturbance and plume, and reducing the influence on the seabed environment.

The invention provides a divided-flow type deep-sea mining tail water discharge plume suppression device which comprises a suppression device shell, the suppression device shell comprises a three-way inlet pipeline and two outlet pipelines, one passage of the inlet pipeline serves as a device inlet, and the other two passages of the inlet pipeline are connected to the outlet pipelines respectively; the outlet pipeline is inclined towards the inner side; a bolt assembly used for being connected with a tail water discharging pipeline is installed on the inlet pipeline and serves as a passage opening of a device inlet. A fixed support is fixedly installed at an outlet of the outlet pipeline, a plurality of axial installation holes are formed in the fixed support, a flow guide cylindrical pipe is fixedly installed in each axial installation hole, and the multiple flow guide cylindrical pipes are installed in the outlet pipeline. According to the invention, the diffusion volume of the plume particles is 84.1% of that of the plume particles without the inhibition device, the diffusion area of the cross section is 89.4% of that of the plume particles without the inhibition device, and the diffusion of the plume can be effectively reduced.

The invention belongs to the field of deep-sea resource development and environmental protection, and discloses a deep-sea mining green factory system based on artificial intelligence, which comprises a marine environment sensing module, a deep-sea heavy-load mining vehicle intelligent control module, an ore pulp lifting and tail water treatment module, a seabed environment monitoring and repairing module and an AI cooperative control center, the environment sensing module collects submarine topography point cloud and flow field data, and a real-time three-dimensional environment reconstruction model is generated through fusion; the deep-sea heavy-load mining vehicle control module outputs power parameters of an advancing and collecting mechanism based on the model, and path planning and posture self-adaption are achieved; the monitoring and repairing module serves as an ecological protection unit, acquires plume concentration and diffusion data in real time, calculates and adjusts the throwing flow speed of a green flocculant through a feedback control algorithm, and achieves active suppression of operation disturbance; and the tail water treatment module dynamically adjusts the operation condition of the grading purification device according to the spectral analysis data of the backflow water body. According to the invention, collaborative protection of deep sea resource development and ecological environment is realized.

The application belongs to the technical field of microorganisms, and particularly relates to a Moraxella rosselloensis with deep-sea mining heavy metal pollution ecological restoration function and application thereof. Rossellomorea yichunensis The Latin name of the Moraxella rosselloensis is Moraxella rosselloensis, which was preserved in the China General Microbiological Culture Collection Center on July 30, 2025, and the preservation number is CGMCC NO: 35470. The strain can produce hydrogen sulfide by using sodium thiosulfate; and has tolerance to heavy metals such as Mn 2+ , Co 2+ , Cu 2+ and Cd 2+ ; in the degradation experiment of the strain, the removal rate of Cd 2+ reaches 90.03%; the removal rate of Cu 2+ reaches 77.28%; and the removal rate of Mn 2+ reaches 68.36%. It can be known that the strain has strong application value for ecological restoration of heavy metal ions such as Mn, Cu and Cd released in deep-sea mining.

The invention relates to the technical field of deep-sea mineral resource exploitation, and discloses a deep-sea mining pipeline particle conveying device and method based on rotational flow hydraulic lifting, and the device comprises a feeding pump, a pressure regulating valve, a conveying pipeline, a flow deflector, a supporting hub, a flow velocity sensor, a particle distribution sensor, a pressure sensor, a control terminal and a data acquisition system; the flow deflector is installed on the conveying pipeline through the supporting hub, the conveying pipeline is provided with a feeding port and a discharging port, the flow velocity sensor and the particle distribution sensor are both installed on the feeding port, the pressure sensors are evenly arranged in the axial direction of the conveying pipeline, the feeding pump is connected with the feeding port through the feeding pipe, and the pressure adjusting valve is installed on the feeding pipe. The flow velocity sensor, the particle distribution sensor and the pressure sensor are all connected with the data acquisition system, and the control terminal is respectively connected with the feeding pump and the data acquisition system. The inclination angles of the flow deflectors are simulated and optimized through fluid dynamics, particle aggregation in the conveying pipeline is reduced, and the defect of high energy consumption or low conveying capacity is overcome.

The invention relates to the technical field of deep-sea mining, in particular to a pressure safety control and pressure relief protection technology of a deep-sea solid-liquid two-phase flow conveying pipeline system, and particularly relates to a deep-sea mining self-adaptive conveying pipeline system based on machine learning. The invention aims to provide a deep-sea mining self-adaptive conveying pipeline system based on machine learning so as to cope with challenges of a deep-sea environment, improve the reliability of a conveying system, prolong the service life of the conveying system and reduce the operation cost. According to the technical scheme, the deep-sea mining self-adaptive conveying pipeline system based on machine learning is characterized by comprising an ore pulp tank used for mixing ore and seawater into ore pulp; the collecting tank is used for storing ore pulp; the buffer tank is used for temporarily storing ore pulp during pressure relief; the conveying unit is used for conveying ore pulp among the ore pulp tank, the buffer tank and the collecting tank; and the control unit is used for controlling the conveying unit to release pressure.

The application provides a uniform material adjusting and relay bin and method for deep-sea mining air-lift lifting, which comprises a relay bin outer cylinder and a relay bin inner cylinder arranged inside the relay bin outer cylinder; a material conveying pipe and a lifting pipe are penetrated from the top of the relay bin outer cylinder and enter the relay bin inner cylinder to cooperate with the gap between the relay bin inner cylinder; a lifting mechanism is connected to the bottom of the relay bin inner cylinder; the inside of the relay bin inner cylinder is provided with a rotating mechanism; a measuring device is installed on the top of the relay bin inner cylinder, which is used to measure the distance between the ore layer and the measuring device, and according to the measurement result, the lifting mechanism lifts the relay bin inner cylinder, so that the depth of the bottom end opening of the lifting pipe being buried by the ore layer is controlled, and the material conveying pipe is not inserted into the ore layer. The application avoids the reduction of the ore lifting efficiency caused by the hollow of the lifting pipe opening and the excessive burying of the ore layer, guarantees the full acceleration of the rising seawater of the lifting pipe to the ore and the smooth feeding of the material conveying pipe, and effectively improves the lifting stability of the ore.

The application provides a seabed deposit mining method and relates to the technical field of ocean engineering. The seabed deposit mining method applies a multifunctional automatic deep-sea mining vehicle. The method comprises the following steps: placing the multifunctional automatic deep-sea mining vehicle in a mining area of a seabed deposit; collecting seabed deposit materials through a collecting mechanism; pushing the seabed deposit materials to a sieve plate and a transfer mechanism by a rake; removing the soil mixed in the seabed deposit materials through the sieve plate; transferring the seabed deposit materials to a crushing mechanism by the transfer mechanism; crushing, grinding and storing the seabed deposit materials in sequence by the crushing mechanism; and loading the seabed deposit materials into a bag by a loading mechanism. The multifunctional automatic deep-sea mining vehicle is used for mining operations of seabed deposits, realizes the collection, transfer, crushing and loading operations of materials (seabed deposit materials), greatly simplifies the mining operation and improves the mining efficiency.

A mining area prefabrication system and method for deep sea mining test, the ship body of the water surface equipment system is provided with a feeder bin for storing ores, the bin is communicated with a mixer, the inlet of a mixing pump on the ship body is communicated with a water source through a mixing pipeline, a branch pipeline is arranged on the mixing pipeline between the mixing pump and the water source, the branch pipeline communicates the mixing pipeline with the outlet of the mixer, the ores from the bin pass through the mixer to enter the mixing pipeline to mix with water to form ore slurry, the outlet of the mixing pump is connected with a conveying pipeline, the end of the conveying pipeline is connected with a frame body, a control system is electrically connected with a driving mechanism and a positioning system on the frame body, and the feeder and the mixing pump on the ship body, accurate prefabrication of the mining area is realized, the uniformity of the distribution of the ores meets the requirements, the actual situation of the deep sea mining area is approached, the deep sea mining area can be simulated with high quality, the reliability of the deep sea mining system can be efficiently verified, the test time of the deep sea mining system in shallow sea test is shortened, and the determination of the test is improved.

The application relates to the technical field of deep-sea mining, and discloses a deep-sea mining and carbon dioxide storage integrated system which comprises a floating platform, a low-temperature carbon dioxide storage tank and a mineral storage box, a relay bin for storing substances, a first conveying pipe in communication with the low-temperature carbon dioxide storage tank at one end and in communication with the relay bin at the other end, a second conveying pipe in communication with the mineral storage box at one end and in communication with the relay bin at the other end, a lifting pump arranged in the second conveying pipe, a mineral collecting device for collecting minerals, a conveying device in communication with the relay bin at one end and detachably connected with the mineral collecting device at the other end, the conveying device being used for inputting liquid carbon dioxide into the mineral collecting device when the conveying device is connected with the mineral collecting device, and the conveying device being used for storing the liquid carbon dioxide when the connection is disconnected, and a carbon dioxide storage device in communication with the relay bin and used for solidifying the carbon dioxide when the mineral collecting device is connected with the conveying device. The system can meet various use requirements.

The application provides a sediment plume active inhibition system and method for deep-sea mining, and belongs to the technical field of deep-sea mining engineering and marine environment protection. The system is integrated in a deep-sea mining vehicle and comprises a polymer storage and supply module, an online mixing module, a high-pressure metering and conveying module, a multi-point array spraying module and an active control unit. A polymer working solution is formed by online mixing of a natural polymer and seawater, is conveyed by high-pressure metering, and is sprayed into a sediment plume source area by the spraying module arranged around the mining vehicle. The active control unit controls the preparation, conveying and spraying of the polymer working solution according to the working state of the mining vehicle. The designed system and the natural polymer mother liquor can promote flocculation of fine sediment particles and accelerate near-field settlement in the initial stage of plume generation, so as to reduce the diffusion range of the sediment plume.

The present application relates to the technical field of deep-sea mining, and particularly relates to a deep-sea polymetallic nodule collecting device, which comprises a grid cabin body, a grid shovel is arranged on one side of the grid cabin body in the advancing direction and is lower than the feed inlet, a conveying roller is arranged between the grid shovel and the feed inlet, a corrugated roller is arranged between the conveying roller and the feed inlet, and the grid shovel, the conveying roller and the corrugated roller jointly constitute a continuous conveying framework for conveying the polymetallic nodules to the feed inlet. The continuous conveying framework for conveying the polymetallic nodules to the grid cabin body is formed by arranging the conveying roller and the corrugated roller on the grid shovel, the polymetallic nodules scooped up by the grid shovel are pushed to the annular groove of the corrugated roller along the grid gap by the elastic pieces on the surface of the conveying roller, the polymetallic nodules are continuously conveyed to the grid cabin body for storage in the manner of rotating transportation and prying off by the crowbar, and the low-disturbance collection of the polymetallic nodules on the seabed is realized by matching the grid shovel for collection.

This invention discloses a resource scheduling optimization method for a deep-sea mining integrated control system, relating to the field of deep-sea equipment automation and control technology. By creating a virtual resource pool and elastic task blocks, this invention fundamentally solves the scheduling barriers caused by resource heterogeneity and task complexity in deep-sea mining systems. It encapsulates the attributes and states of various physical resources into a virtual resource pool with a unified service interface, allowing the scheduling system to query, reserve, and allocate resources without needing to concern itself with the physical implementation details of the resources, relying solely on standardized interfaces. Simultaneously, it decomposes macroscopic mining tasks and defines them as fine-grained elastic task blocks. Each task block clearly declares its required resource type, quantity, and target location. This decoupled architecture transforms the resource scheduling problem into a dynamic matching problem between task blocks and resource pools, enabling the rapid allocation of any task block to any resource pool with the corresponding capabilities.

The invention provides an umbilical cable multi-axis loading fatigue testing device for deep-sea mining. The umbilical cable multi-axis loading fatigue testing device comprises a frame; the fatigue test assembly is arranged in the frame; the device is used for installing a test piece and comprises a tension-torsion loading mechanism of which the action end is connected with the bottom of the test piece and which is used for applying an axial tension load and a torsion load to the test piece; the deformation loading mechanisms are arranged in the circumferential direction of the test piece, and the telescopic end of each deformation loading mechanism can independently stretch out to apply transverse displacement to different parts of the test piece, so that the test piece is bent and deformed; the internal pressurizing mechanism is communicated with the interior of the test piece and is used for applying pressure to the interior of the test piece; and the upper computer is linked with the fatigue test assembly so as to control the on-off and operation of the fatigue test assembly.

The invention discloses a deep-sea mining hoisting system coupling motion prediction method and system based on a physical operator and multiple codes, a medium and a product. Firstly, a system high-fidelity dynamic model is established, and multi-working-condition motion response data is acquired as a training set. A trainable second-order dynamic physical operator is introduced into a Transform network, environment working conditions and continuous time are coded into features to be input into an encoder, and a key section bending moment and an equivalent excitation prediction sequence are output. A multi-domain loss function including a time domain error, a frequency domain error, a dynamic residual error and a spatial smooth constraint is designed by calculating a physical consistency residual error and a data residual error. And jointly optimizing model parameters and physical operators to obtain a trained model, and inputting a target working condition to output a prediction result. The method gives consideration to prediction precision and dynamic characteristic description, improves prediction stability and physical interpretability, and is suitable for scenes of design verification, operation monitoring, risk early warning and the like of a deep-sea mining system.