470results about "Mineral mining" patented technology

The invention relates to a deep-ground well hole type flexible mining device and a using method thereof.The deep-ground well hole type flexible mining device comprises an equipment channel well communicated to a mining position, detection equipment and a flexible mining machine, and a power line of the flexible mining machine is connected with a power source outside the well; the flexible mining machine comprises a crushing device for excavating ores and an advancing driving device, the crushing device comprises an expansion arm, a crushing assembly and a crushing power assembly, the advancing driving device comprises a device body, and the device body and the expansion arm are connected in a hinged or rotary connection mode and can relatively move in at least two freedom degree directions. And the expansion arms and the device body are folded and unfolded, so that the flexible mining machine can be switched between a first state of passing through the equipment channel well and a second state of performing mining work. The mining operation can be carried out under the condition that personnel do not need to descend into a well, the mining requirements of a deep bottom layer and a seabed bottom layer can be met, and the mining difficulty and the mining cost are reduced.

The invention discloses a universal multifunctional obstacle crossing vehicle body system for a deep-sea mining vehicle. The universal multifunctional obstacle crossing vehicle body system comprises a main vehicle frame, a hydraulic suspension system and an independent driving system. The hydraulic suspension system comprises a main supporting hydraulic push rod, an upper vehicle body and lower vehicle body connecting frame, an L-shaped driving system connecting frame, hydraulic steering push rods on the two sides, a steering wheel, a steering wheel bottom fixing piece, a spherical higher pair connecting shaft, a driving system universal connector and a corresponding hydraulic control loop. The independent driving system comprises a track system, a box body, a pitching hydraulic motor, a driving motor, an auxiliary bearing wheel and an auxiliary tensioning wheel set. Compared with a traditional crawler-type chassis, the universal obstacle crossing chassis provided by the invention has better obstacle crossing ability and flexibility, and can cope with more complex seabed conditions. And meanwhile, the universal chassis can adapt to different types of working environments by replacing different types of independent driving modules, so that the universal chassis has excellent multi-terrain adaptability. By means of the universal vehicle chassis, the passing rate and the working efficiency of various deep-sea mining devices in the complex seabed environment can be well improved.

The invention discloses a wide crawler walking device suitable for seabed thin and soft geology, which realizes stable walking of a deep-sea heavy-load mining operation platform on a thin and soft substrate through a high-tooth large-width composite material crawler walking mechanism, and provides a power driving guarantee for later operation of a heavy and heavy collection device. The crawler walking module is used for providing enough traction force for the mining vehicle, so that the mining vehicle can normally run on the complex bottom surface of the seabed. A crawler walking device is located in a chassis, the overall width of a vehicle body is reduced, a main beam of the chassis penetrates through trolley frames on the two sides, chassis secondary beams are welded to outer side panels of the trolley frames, the bearing capacity of the chassis is improved, the trolley frames are of a simple frame structure, and through holes and open grooves are machined in left and right outer side plates of the trolley frames and used for installing driving wheels, guide wheels and bearing wheels. Welding or bolt connection of other wheel train installation type structural parts is omitted, the lightweight design is met, and the structural strength is enhanced.

The invention provides an intelligent collection method for deep sea polymetallic nodules. The method comprises the following steps: S1, capturing a tuberculosis image through a seabed camera of a mining vehicle; s2, carrying out graying processing on the acquired image; s3, carrying out binarization processing on the preprocessed tuberculosis image; s4, expanding the processed tuberculosis image based on a morphological reconstruction method; s5, determining the particle size and shape of the tuberculosis; s6, comparing with existing tuberculosis data, and determining the quality of the tuberculosis; s8, selecting the optimal advancing route of the mining vehicle, and determining the working condition of the advancing route; s9, further adjusting jet parameters according to the determined information; s10, collecting the tuberculosis washed out by the jet flow; s11, lifting the collected tuberculosis to a collection ship; s12, carrying out collection result detection on the mining area; and S13, if the collection result does not reach the standard, continuing collection, and if the collection result reaches the standard, ending collection. Through the steps, the intelligent and efficient collection system for the deep sea polymetallic nodules is formed.

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 provides a deep-sea rare earth deposit mine collecting car and an operation method thereof. According to the method, a double-S-shaped reciprocating collection path is planned through an intelligent controller on the basis of a mining vehicle carrying a multi-stage collection device and aiming at the characteristic that deep sea rare earth is enriched in a sheet and multi-layer mode. According to the difference between the depth and compactness of the sediments, three stages of cutter suction units are adopted for layered collection: the first stage is used for 0-2m surface soft sediments, and the rotating speed of a reamer is 200-400r / min; the second stage is used for 2-4m middle-layer compact sediments, and the rotating speed is 350-600r / min; the third stage is used for 4-10m deep high-strength sediment, and the rotating speed is 500-700r / min. The terrain, posture and pressure are monitored in real time during operation, the posture, speed and obstacle avoidance of the vehicle body are automatically adjusted, and stable collection is achieved. The method has the advantages of accurate layering, comprehensive coverage, small environmental disturbance and high reliability, and is suitable for efficient, safe and environment-friendly collection of deep sea rare earth deposits.

The invention discloses an ore separation and sediment treatment system for deep-sea mining. Belongs to the field of deep-sea mining and mainly comprises a sediment collecting and processing system, an ore screening system, a mine car carriage, a collecting head, a mine car track, a lifting hose, a draft tube connecting hard tube, a draft tube, a draft tube connecting hose and the like. According to the invention, through a set of sediment collection and treatment system, sediments discharged in all links of deep-sea mining are effectively collected, and a set of effective circulation system is formed; and meanwhile, the collected sediment-seawater mixture is matched with the filtering layer through the continuously contracted flow channel of the screw compressor, so that the concentration of sediment slurry is increased, the density of the sediment slurry is increased, the sediment slurry is quickly settled, and the problem that the sediment is diffused to form large plume flow to pollute the seabed environment is solved.

The invention provides a design optimization method of a deep sea mineral resource set ore head based on a coanda effect. The method comprises the following steps: determining acquisition target parameters; constructing a particle size stress model; determining initial parameters of a deep sea mineral resource collection head; according to the design optimization method, the deep sea mineral resource collecting head is designed according to actual mining requirements and mineral characteristics, and the collecting effect of the deep sea mineral resource collecting head is improved.

The invention discloses a floating type self-adaptive seabed tuberculosis mineral collection system, and relates to the technical field of water environment mining engineering, the upper end of an upper guide pipe is arranged at the top of a main control platform in a penetrating manner and is arranged in a fillet opening manner, and the penetrating connection position of the upper guide pipe and the main control platform is connected through a bearing; the polygonal bracket is mounted on the fillet opening and is obliquely arranged towards the circle center of the fillet opening; and the resistance reducing sleeve is sleeved on the cross rod in the polygonal bracket. The manufacturing, operation and maintenance cost is greatly reduced, meanwhile, multi-device collaborative operation can be achieved, and the operation efficiency of the device is improved; the main body adopts the floating mining device capable of freely moving, so that the communication between the device and the ocean platform is smooth; the operation area is combined with the external environment through flexible materials, damage to the marine ecological environment is reduced or even eradicated, the device is driven by a battery, energy consumption in the operation process of the device is reduced, and carbon emission is reduced.

The invention provides a movable telescopic vector adsorption relay bin and method for deep-sea mining gas lift lifting. The movable telescopic vector adsorption relay bin comprises a vector adsorption device in the relay bin, a storage bin chamber is arranged in the relay bin, a top plate is arranged at the top of the storage bin chamber, and the outer edge of the top plate is fixed to the inner wall of the relay bin; the relay bin is connected with a lifting pipeline and a conveying pipeline, the lower ends of the lifting pipeline and the conveying pipeline are inserted into the storage bin, and the upper ends of the lifting pipeline and the conveying pipeline penetrate out of the relay bin. The lifting pipeline and the conveying pipeline penetrate through the top plate; the vector adsorption device comprises a vector telescopic adsorption pipeline sleeving the outer wall of the lifting pipeline, and the vector telescopic adsorption pipeline is connected with a driving mechanism; the lower portion of the vector telescopic adsorption pipeline is connected with a vector adsorption pipeline located in the storage bin through a rotating mechanism. And the interiors of the lifting pipeline, the vector telescopic adsorption pipeline and the vector adsorption pipeline are communicated. The structure mechanism is feasible, the innovation degree is high, and the anti-blocking effect of the vector adsorption device and the omnibearing particle lifting effect can be achieved.

The invention discloses a seabed mineral and biological resource collection device, equipment and method. The device comprises a suction head, an automatic return mechanism, an automatic lifting mechanism and an environment sensing module, the suction head is used for sucking seabed to-be-collected objects; the automatic return mechanism is arranged in the suction head and consists of a main body frame, a torsional spring hinge, a limiter and a guide plate, and the guide plate can passively adjust the height away from the bottom according to the size of an object to be mined on the seabed through the matching of the torsional spring hinge and the limiter; the automatic lifting mechanism is located on one side of the suction head and comprises a carrying platform, a lifting module, a gravity balance swing arm and a posture sensing module, and the posture sensing module monitors the posture of the suction head and adjusts the lifting module, so that the suction head is kept horizontal and the height away from the bottom is preset; the environment sensing module can sense environment parameters in real time, accurately recognize physical characteristics of seabed to-be-collected objects and dynamically adjust the flow of a water pump to reduce overall energy consumption. According to the invention, double effects of efficient collection and energy-saving collection of submarine minerals and biological resources are realized.

The invention discloses a deep-sea micro-sampling robot, comprising a buoyancy block, a control device, a frame, a rope, a traveling device, a drilling device and a sample storage device; the buoyancy block is fixed on the frame to provide buoyancy, the control device is used to control the operation of the traveling device, the sampling device and the sample storage device, the traveling device generates a driving force by driving the traveling wheels at both ends of the traveling wheel rotating rod and the traveling wheel rotating rod installed under the frame, the drilling device drives the ultrasonic vibration motor and the drilling motor guided by the straight guide rail on the frame through the driving oil cylinder, thereby driving the sampling rod to take samples, the sample storage device stores the sampling rod by the sample storage tray, and then drives the dial device guided by the arc guide rail on the frame through the dial oil cylinder to cooperate with the spoon-shaped groove on the sample storage tray, and then cooperates with the resistor, so as to rotate the sample storage tray to replace the rod position and position it. The invention has a simple structure, is easy to implement, can flexibly swim in the deep sea and travel on the seabed, and can obtain deep-sea samples with low disturbance and low energy consumption.

The invention discloses a deep sea rare earth collecting device, a deep sea rare earth collecting system and a collecting method.The deep sea rare earth collecting device comprises a crawler-type walking frame and further comprises an isolation cover installed on the periphery of the crawler-type walking frame in a covering mode, and an ore collecting cavity is formed between the isolation cover and the crawler-type walking frame; a plurality of high-pressure jet flow collecting assemblies used for spraying out high-pressure jet flow to flush up deep sea rare earth are arranged below the isolation hood body. When the deep sea rare earth collecting device is located on the seabed, the isolation cover body makes contact with the seabed, and the ore collecting cavity is of a closed structure. The deep sea rare earth collecting device with the isolation hood body, the deep sea rare earth collecting system and the collecting method have the advantages of being good in collecting walking stability, high in collecting efficiency, small in generation of seabed plume, small in influence on the seabed environment and the like, and large-scale efficient mining of deep sea rare earth can be achieved easily.

The invention discloses a deep sea rare earth mining tailing in-situ backfill type double-station alternate mine collecting system which comprises two linear guide rails installed at the bottom of a mine car body, each linear guide rail is provided with a telescopic assembly through a carrying position of the linear guide rail, and the telescopic assemblies can be horizontally moved by the linear guide rails in the direction parallel to the advancing direction. A collecting pipe capable of independently and vertically stretching out and drawing back is arranged on a movable part of the telescopic assembly, and the collecting pipe can be driven by the telescopic assembly to horizontally move in the direction perpendicular to the advancing direction. A double-station alternate mine collection mode is adopted, and the two linear guide rails and the two telescopic assemblies are arranged at the bottom of the mine car body to control the two collection pipes, so that after any collection pipe completes collection, the collection pipes can be transferred to two stations in the mining direction through cooperation of the linear guide rails and the telescopic assemblies; the two collecting pipes can achieve double-station uninterrupted alternate ore collection, and the ore collection efficiency is effectively improved.

The invention relates to the technical field of deep-sea mining, in particular to a closed deep-sea mineral lifting system which comprises an offshore platform, and the offshore platform is provided with a first mineral-water separation device and a high-pressure water pump which are communicated with each other; one end of the circulating pipeline is communicated with the high-pressure water pump, and the other end of the circulating pipeline is communicated with the first mineral-water separation device; the water inlet assembly is communicated with the circulating pipeline; the relay platform can suspend in seawater, and a storage bin is arranged on the relay platform; the water pumping assembly communicates with the storage bin and is used for discharging the seawater in the storage bin into the sea; the mining assembly is communicated with the storage bin; and the feeding assembly is arranged between the storage bin and the circulating pipeline, the feeding assembly communicates with the circulating pipeline, and the feeding assembly is used for injecting the ore pulp in the storage bin into the circulating pipeline. According to the method, the influence on marine ecology can be reduced while efficient mineral lifting is achieved.

The invention relates to the technical field of deep-sea mining engineering, and particularly discloses a deep-sea mining laying and recycling system and method.A first pulling and connecting piece is connected between a first winch and a mining operation vehicle, a second guide rail is fixedly connected to a workbench, a guide frame is slidably connected to the second guide rail, and the guide frame is detachably connected to the mining operation vehicle; the second winch is arranged on the workbench and used for retracting and releasing the second pulling and connecting piece, one end of the second pulling and connecting piece is connected to the second winch, the other end of the second pulling and connecting piece is connected to the guide frame, and the driving piece can push the mining operation vehicle out of the outboard and drive the second guide rail to be in butt joint with the first guide rail to form a guide sliding rail extending in the vertical direction. In the laying and recycling process of the mining operation vehicle, the mining operation vehicle can stably descend and ascend along the guide sliding rail along with the guide frame all the time, the situation that the mining operation vehicle swings and collides with the main ship body due to the influence of stormy waves is further avoided, and the running stability and reliability of the mining operation vehicle are improved.

The invention discloses a global cost optimization method based on deep-sea mining operation system safety. The method comprises the following steps: determining design parameters of each system based on global cost optimization and a coupling relationship between the systems; materials are selected based on light load-stability, a self-cleaning nozzle is carried, and a crawler walking system is optimized; a two-way hydraulic-pneumatic energy conversion mechanism is used for optimizing a buoyancy compensation system; a hybrid power efficiency optimization algorithm is adopted to optimize a water surface support system based on a safety burden mitigation technology; a planetary gear is used for amplifying torque, and an electrolyzed water trigger type release mechanism is adopted in the laying and recycling process, so that a laying and recycling system is optimized; based on the principle of low energy consumption, a three-axis IMU data fusion technology is applied, and a three-degree-of-freedom active-passive combined heave compensation system is optimized; the method can effectively solve the problem of high cost of deep-sea mining, realizes safety, burden reduction, cost reduction and benefit increase of a deep-sea mining system, and optimizes the global cost of deep-sea mining operation.

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 mining method using a mining vehicle with a rear collecting head. The mining method comprises the following steps that the volume of a mixture to be absorbed by a mud pump within time t is set; setting the optimal volume concentration of the mixture absorbed by the dredge pump; determining the volume of undisturbed soil absorbed by the dredge pump within the time t according to the volume of the mixture to be absorbed by the dredge pump within the time t and the optimal volume concentration of the mixture absorbed by the dredge pump; according to the digging depth of the collecting head, the width of the collecting head, the advancing speed of the collecting head and the time t, the volume of the volume undisturbed soil collected by the collecting head is collected; introducing a water body through a primer pump to dilute the undisturbed soil collected by the collection head to the optimal volume concentration of the mixture absorbed by the mud pump; according to a mass conservation method, the volume of the undisturbed soil absorbed by the dredge pump and the volume of the undisturbed soil collected by the collecting head within the time t, the relation between the collecting depth of the collecting head and the advancing speed of the collecting head is determined. The defect that the mining vehicle is poor in performance matching performance is overcome.

The invention relates to the technical field of deep-sea mining, in particular to a self-adjusting buoyancy configuration method suitable for a seabed mine gathering car, which comprises a buoyancy configuration device, and the buoyancy configuration device comprises a car body attitude sensing system and a buoyancy adjusting system; the vehicle body posture sensing system comprises a radar and a multi-sensor combined system, the multi-sensor combined system comprises a vehicle body posture sensor, a speed sensor and an ACN underwater acoustic communication set, and the buoyancy adjusting system comprises a buoyancy device, a propeller propelling device, a vibration sensor and a vibration compensator. The inner side of the vibration compensator is connected with the mine lifting hose, the buoyancy device is connected with the outer side of the vibration compensator, and the propeller propelling device is connected with the buoyancy device.

The invention relates to an airlift pump system for conveying solid particles in underwater mining. The airlift pump system comprises a material collecting system, a lifting system, a pneumatic regulation and control system, a recycling system and the like. The material collecting system collects solid particles and guides the solid particles to a lifting opening of the lifting system, the material collecting system comprises a material containing hopper, a material guiding groove, a material collecting table and the like, the lifting system lifts and separates the solid particles and a liquid mixture, and the lifting system comprises an inclined hole air lift pump and a lifting pipe; the pneumatic regulation and control system comprises an electromagnetic valve, a plurality of auxiliary gas injection chambers, an optical fiber strain sensor, a microwave concentration sensor and the like. The recovery system comprises a gas-liquid separator, an axial flow turbine generator, an energy storage device, a stock bin and the like. Pipeline vibration and ore pulp concentration are monitored in real time through the optical fiber strain sensor and the concentration sensor, a PLC control algorithm is combined, the conventional operation mode, the vibration suppression operation mode and the anti-blocking operation mode are automatically switched, and the safety and stability of the airlift pump are greatly improved. The micro axial flow turbine generator is additionally arranged at the exhaust end, and tail gas kinetic energy is converted into electric energy.

The invention discloses a mineral hydraulic lifting system and method for deep-sea mining, and relates to the technical field of deep-sea mining, the mineral hydraulic lifting system for deep-sea mining comprises a water surface supporting platform, a slurry pump set, a drill rod, a marine riser, an underwater workstation and a top driving part, the upper end of the water surface supporting platform is provided with the slurry pump set and the top driving part; one end of the drill rod is in transmission connection with the top driving part, the other end of the drill rod penetrates through the water surface supporting platform, the drill rod is sleeved with a marine riser, an annular cavity is formed between the drill rod and the marine riser, and the lower ends of the drill rod and the marine riser are connected with the underwater workstation. A power device and parts of the lifting system are arranged on the water surface, pipe fittings which are connected between the water surface supporting platform and the underwater work station and are only provided with marine risers and drill rods are convenient to control and maintain, the number of underwater equipment is reduced, high-power electrical equipment is reduced, and related power, control and accessory parts can be greatly optimized; the use risk of underwater equipment is reduced, and the reliability of the system is improved.

The deep-sea mining trolley comprises a trolley body, a floating assembly, an adjusting assembly and a collecting assembly, the trolley body is suitable for moving in the seabed, the floating assembly is arranged on the trolley body and connected with the trolley body, the floating assembly is used for providing buoyancy for the trolley body, and the adjusting assembly is arranged on the trolley body and connected with the collecting assembly. The adjusting assembly is used for adjusting the posture and position of the vehicle body, the collecting assembly comprises a mounting frame, a crushing part, a spraying part and a collecting part, the mounting frame is arranged on the vehicle body and can rotate around the width direction of the vehicle body relative to the vehicle body, and the crushing part is arranged on the mounting frame and can rotate around the width direction of the vehicle body relative to the mounting frame; the spraying part and the collecting part are both arranged on the mounting frame, the collecting part is used for collecting the crushed seabed sediments, and the spraying part is used for spraying the crushed seabed sediments so that the crushed seabed sediments can be flushed into the collecting part, and the collecting part can conveniently collect the crushed seabed sediments. The deep-sea mining trolley has the advantages of being simple in structure, high in collection efficiency and the like.

The invention discloses a crushing and feeding device and a deep-sea mining conveying system, the crushing and feeding device comprises a machine body and a hydraulic motor, the machine body comprises at least one roller, the roller sleeves a corresponding roller shaft, and the roller shaft is rotatably connected to the machine body; at least three disc blades with the same specification are arranged in the axial direction of the roller at equal intervals, and at least one tool bit is arranged on each disc blade; plugs are arranged on the front and rear vertical surfaces of the machine body and are matched with gaps between the rollers and the vertical surfaces of the machine body; and a power output shaft of the hydraulic motor is connected with the roller shaft. The deep-sea mining conveying system comprises a relay station, a mixed-flow pump, a lifting hard pipe and a mother ship, the relay station comprises a feeding cylinder, a feeding pipe and the crushing feeding device which are sequentially connected from top to bottom, and a lower opening of the feeding pipe is connected with the lifting hard pipe. The crushing and feeding device provided by the invention has the advantage of high crushing ratio, and the deep-sea mining and conveying system provided by the invention has the advantages of being environment-friendly and controllable in solid-liquid ratio of ore pulp fed by a hard pipe.

The invention relates to the technical field of deep-sea mining, and discloses a bubble barrier plume restraining device suitable for deep-sea mining operation. The bubble barrier plume restraining device comprises an air source control unit, a posture adjusting conveying pipe, an air conveying relay box, a mining vehicle, a plurality of flow dividing air conveying hoses, a communication cable and a plurality of seabed bubble releasing units. The gas source control unit is communicated with the gas transmission relay box through the posture adjusting transmission pipe, the gas transmission relay box is connected with the multiple seabed bubble release units through the multiple flow dividing gas transmission hoses, the multiple seabed bubble release units define a bubble barrier, and the mining vehicle is located in the bubble barrier. The mining vehicle, the communication cable, the gas transmission relay box, the posture adjustment transmission pipe and the gas source control unit are sequentially connected. According to the method, plume diffusion in deep-sea mining operation is inhibited, and damage of the deep-sea mining operation to the marine environment is reduced, so that the operation efficiency of the seabed bubble barrier is improved; and the posture of the posture adjusting transmission pipe is always maintained in a safe range.

The present invention discloses a device and method for suppressing sediment discharge plume flow applicable to a seabed mining vehicle, comprising a physical screening system, a biological flocculation sedimentation system, and a sediment discharge system; the physical screening system can realize the separation of seabed minerals and deep-sea sediments in the body of the mining vehicle, further filter out sediments with larger particle sizes through physical screening, and mix sediments with smaller particle sizes with seawater; the method of adding flocculants through the biological flocculation sedimentation system is used to precipitate sediments with small particle sizes in seawater, and finally the sediments are discharged from the sediment discharge system close to the seabed, thereby reducing the plume flow generated when the mining vehicle discharges sediments.

The invention discloses a movable connector and a mining device.The movable connector comprises a sub-pipe and a main pipe matched with the sub-pipe, the sub-pipe and the main pipe are detachably connected in an inserted mode, and the outer side of the pipe wall of the end, used for being connected with the main pipe, of the sub-pipe is concaved inwards to form a clamping groove; a through hole matched with the clamping groove is formed in the pipe wall of the end, used for being connected with the sub-pipe, of the main pipe, the main pipe is further provided with a hoop device with the free end capable of penetrating through the through hole and being embedded into the clamping groove and a driver used for driving the hoop device to move, and the driver is in signal connection with an external control system. Comprising a mother ship, an underwater relay station, an underwater mining vehicle and a conveying hose connected with the underwater mining vehicle, the mother ship and the underwater relay station are connected through a conveying pipe, a son pipe is communicated with the underwater relay station, and the end, away from the underwater mining vehicle, of the conveying hose is connected with the mother pipe. By means of the design, it is guaranteed that the mining device can be rapidly separated in emergency, and the safety and response speed of the mining device are improved.

The invention provides a deep-sea mining system, and relates to the technical field of deep-sea mining. The deep-sea mining system comprises a decision-making layer, the decision-making layer is connected with a coordination layer through a quantum encryption underwater acoustic communication module, the coordination layer is connected with an execution layer through a bionic tentacle electromechanical interface, and the execution layer is connected with a compensation layer through an ecological data bus; the decision-making layer comprises a phase resource management module which comprises a marine rhythm analysis unit, an ore deposit respiration model engine and a mining window decision-making device; the biological contract agreement module comprises a microorganism symbiotic culture cabin, a sound wave induction generator and a tentacle mechanical learning unit; the coordination layer comprises a dynamic topology network which comprises a cluster self-organizing controller, a real-time damage evaluation unit and a topology reconstruction algorithm library. Through collaborative design of the decision-making layer, the coordination layer, the execution layer and the compensation layer, intelligent and efficient deep-sea mining is achieved, and the mining efficiency and the resource utilization rate are remarkably improved.

The invention discloses a deep sea polymetallic nodule boiling type lifting system which comprises a collecting platform on the sea surface and a relay station suspending in the sea, the relay station is communicated with the collecting platform through a pipeline, the pipeline comprises a plurality of sections of lifting vertical pipes, and every two adjacent sections of lifting vertical pipes are connected through a boiling type heating device. The boiling type heating devices are the same in structure. The lifting system disclosed by the invention integrates the technical characteristics of the existing pipeline conveying technology, and is simple in structure and high in reliability. Liquid phase vaporization is used as a gas phase source in a pipeline, a boiling type heating device with a metal heating pipe and a heat insulation layer is directly connected with a lifting vertical pipe, and meanwhile, a plurality of sections of boiling type heating devices are arranged in the pipeline, so that the stability of providing gas phase power is ensured.

The invention relates to a green and environment-friendly deep sea mineral conveying system without tail water being discharged to the ocean. The green and environment-friendly deep sea mineral conveying system comprises a tail water circulating system and a mineral conveying system. The tail water circulating system comprises a tail water pump, a tail water pipe and a tail water collecting device; the mineral conveying system comprises an ore pulp pump, a mineral conveying vertical pipe and a relay cabin; one end of the draft tube is connected with the tail water pump, and the other end of the draft tube is connected with the tail water collecting device; the ore pulp pump is connected to the ore conveying vertical pipe in series, the ore conveying vertical pipe is hung on the water surface mining ship in a suspended mode, and the relay cabin is arranged at the tail end of the ore conveying vertical pipe. The relay cabin is connected with the mining vehicle through a hose; the tail water collecting device, the mixing cabin, the ore conveying vertical pipe and the mining ship are sequentially communicated to form a tail water internal circulation path, and no tail water is discharged to the ocean in the ore conveying process. Through fusion design of the tail water discharge pump, the tail water discharge pipe, the tail water collection device and the mineral conveying system, circulation of deep-sea mining tail water in the conveying system is achieved, and the tail water can be prevented from being discharged to the sea.