CN114060035A - Multistage magnetic resistance type multi-metal nodule lifting system and lifting method thereof - Google Patents
Multistage magnetic resistance type multi-metal nodule lifting system and lifting method thereof Download PDFInfo
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- CN114060035A CN114060035A CN202111520680.6A CN202111520680A CN114060035A CN 114060035 A CN114060035 A CN 114060035A CN 202111520680 A CN202111520680 A CN 202111520680A CN 114060035 A CN114060035 A CN 114060035A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C50/00—Obtaining minerals from underwater, not otherwise provided for
- E21C50/02—Obtaining minerals from underwater, not otherwise provided for dependent on the ship movements
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C50/00—Obtaining minerals from underwater, not otherwise provided for
Abstract
The invention discloses a multistage magnetic resistance type polymetallic nodule lifting system and a lifting method thereof, which comprise a support system energy storage device at a water surface part, a lifting vertical pipe which is connected with a water surface device and a middle bin in seawater and a multistage magnetic resistance type power device which is parallel to the lifting vertical pipe, the middle lower part of the seawater is used as the middle bin for storing and transforming electricity, and a mine collecting hose which is connected with the middle bin and a submarine mine car. The lifting vertical pipe and the hose are embedded with conductive coils, Lorentz force is generated through currents provided by the multistage magnetic resistance type power device and the middle bin power transformation part, suction is generated on ores with a magnetic conduction effect, and the ores are conveyed according to the principle. The electric energy of the power device can be directly converted into the kinetic energy for ore carrying, and meanwhile, water flow is not needed to be used as a carrier like pump type transportation, so that the power consumption can be reduced, the sewage is reduced, and the effects of energy conservation and environmental protection are achieved.
Description
Technical Field
The invention relates to the field of deep sea metal mineral resource exploitation, in particular to a multistage magnetic resistance type multi-metal nodule lifting system and a lifting method thereof.
Background
The ocean is the largest resource treasury on the earth, and particularly in a deep sea area with the depth of kilometers, abundant metal minerals such as multi-metal nodules, cobalt-rich crusts, multi-metal sulfides and the like exist. The minerals are widely distributed and have huge reserves, are mostly exposed on the surface of the seabed and are not artificially damaged, and contain rich industrial important resources such as manganese, cobalt, iron, copper, nickel and the like. Among them, cobalt and nickel resources are important raw materials for producing batteries, with the popularization of new energy automobiles, cobalt resource gaps are gradually enlarged and surface stock is extremely limited, and these important metal resources are non-renewable and gradually reduced with industrial consumption, so that the exploitation of seabed metal minerals is imperative. At the same time, the subsea metal deposits face the problem of transporting vertically long distances from the seabed to the surface.
The polymetallic nodule is also called manganese nodule and is distributed on the bottom surface layer of the ocean with the water depth of 3500-6000 meters in the bottom of the ocean in the world, the occurrence condition is simple, the exploitation is easy, and the polymetallic nodule is a marine metal mineral resource with great exploitation value. The polymetallic nodule mainly comprises oxides of manganese and iron, has different components due to different occurrence environments, and has average chemical components as follows: MnO 2 32%，FeO 22%，SiO2 19%，H2O14 percent and contains a plurality of elements such as cobalt, nickel, copper, titanium, aluminum, molybdenum, zirconium, radium, thorium and the like. Studies the Presence of magnetic minerals in nodules collected in the Clarison-Clibedton (CCZ) area of the east Pacific region was verified by performing related experiments on polymetallic nodules that increase in magnetic properties with increasing manganese content (Hassan M B, Rodelli D, Benites M, et al, Presence of biological magnetic magnesium in ferrimagnetic nodules [ J]Environmental Microbiology Reports, 2020, 12). And the main elements of the seabed manganese nodule are similar to those of the terrestrial ferromanganese nodule, but the taste of the seabed manganese nodule is generally much higher than that of the terrestrial ferromanganese nodule. The magnetic ore dressing method is commonly used for the ore dressing of the land ferromanganese nodule.
At present, two main lifting modes are pump lifting and mechanical lifting, wherein the pump lifting is to crush ores at the sea bottom into a certain particle size, then liquid is used as a carrier, and the ore particles and water are pumped to the sea surface by a pump. The lifting and transporting method is most commonly applied and has high efficiency, but the movement situation of the ore-fluid in the lifting and transporting method is complex, the lifting can be carried out by crushing the ore to uniform size, and simultaneously, a lot of waste water is brought, and the environment is polluted by discharging. The mechanical type mainly utilizes skip and chain, fills the skip with the ore on the seabed, and utilizes the runner to provide power and promote to the sea. The main problem faced by the mechanical type is that the efficiency is low, the power device is difficult to arrange in multiple stages, the load on a single power system is large, and the lifting capacity is greatly reduced.
Chinese patent application with application number CN201710086812.6 discloses a mechanical seafloor mining lifting system, in this patent the system has multistage lifting system in the design on the riser, but the riser has several kilometers long in deep sea mining, and the weight of riser can be increased in the mechanical transmission, and surface of water naval vessel or platform are difficult to carry and lay, simultaneously, under the marine environment, because the circumstances such as corruption, unrestrained stream disturbance, mechanical transmission fault rate is very high, and overhauls very difficultly.
Chinese application No. CN201310640663.5 discloses a marine mineral resources exploitation apparatus and method, wherein the lifting part of the system is lifted by a pump, which has strict requirement on the particle size of the ore, and at the same time, the electric energy is converted into water flow energy, and the water flow is used as the carrier to carry the ore particles for lifting and transportation, and the lifted water flow becomes sewage discharge, which causes secondary pollution.
The Chinese patent application CN 109973096A discloses a mining operation system for deep sea polymetallic nodules, wherein an ore extraction vertical pipe system comprises an ore extraction vertical pipe and a slurry pump; the top end of the ore lifting vertical pipe is connected with the mining platform, and the bottom end of the ore lifting vertical pipe is connected with the bottom-sitting type mineral connection processing center through a universal joint; a multi-degree-of-freedom platform is arranged in the bottom-sitting type mineral connection processing center, the multi-degree-of-freedom platform is sequentially provided with a waste material warehouse and a new material warehouse from top to bottom, and the ends of an upper conveying belt and a lower conveying belt at the inlet of the waste material warehouse and the inlet of the new material warehouse are connected through a mining robot; a plurality of fan-shaped mining areas are correspondingly arranged under the multi-degree-of-freedom platform, and the mining robot operates in the fan-shaped mining areas. The mode that this patent adopted is that utilize mud to wrap up and carry the polymetallic nodule as the carrier and transport, and the transportation carrier mud in this method itself just accounts for the promotion weight of considerable proportion, can waste the produced a large amount of kinetic energy of power pump, and simultaneously, mud is difficult to handle after transporting to the sea, generally adopts the discharge line to discharge in the ocean, forms the plume in the ocean, can cause marine pollution.
Chinese patent application CN 112978226 a discloses a self-cleanable multi-metal nodule lifting system, which comprises a storage net bin, a chain type lifting structure and a self-cleaning type conveying platform, wherein the self-cleaning type conveying platform is fixed on an ore collecting machine, and the bottom and the top of the chain type lifting structure are respectively connected with the ore collecting machine and a mining ship; the material storage net bin comprises a net bin framework and a net, and the net covers the net bin framework; a plurality of floating blocks are uniformly bound outside the net surface, and the upper part of the net bin framework is connected with a hanging ring through a rope; the chain type lifting structure comprises a driving chain wheel, a transmission chain and a connecting device; the self-cleaning material conveying platform is characterized in that the main body of the self-cleaning material conveying platform is a square fixed flat plate, a gravity sensing device is arranged at the center of the fixed flat plate, and jet nozzles are arranged on the periphery of the fixed flat plate; the connecting device comprises a connecting cable, a central column, a ball bearing and a shuttle-shaped streaming column. This patent has adopted mechanical type lifting means, has adopted a great deal of drive disk assembly, and these parts are mostly metal material, even have taken anti-rust coating, in abominable marine environment, the long-time interlock friction between the part also takes place the corrosion very easily, causes whole system's paralysis.
Chinese patent application CN101482017A discloses a ferro-manganese nodule mining car, mainly comprising an advancing track, a magnetic ore-attracting wheel, an ore box, an electric power system and two-end lifting ropes, wherein when the car advances, the magnetic ore-attracting wheel attracts a ferro-manganese ore milling cutter through an ore-attracting inlet on the ore-attracting wheel, the magnetic ore-attracting wheel transports ferro-manganese ore to an ore box port in a rotating process, an ore scraping plate on the ore box port scrapes the ore into the ore box, and a lane of the car can be lifted up by a certain weight. This patent has utilized magnetic force to carry out the collection of many metal concretions, but has only adopted magnetism to inhale the device and has carried out preliminary collection, does not transport magnetic force in, and what kind of principle that the structure adopted is inhaled to magnetism that the structure is not explained to magnetism in this patent simultaneously, does not adjust functions such as suction.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a multistage magnetic resistance type polymetallic nodule lifting system and a lifting method thereof, which can solve the problems that the conventional system needs to be broken in advance, sewage is generated, power is insufficient, and the lifting efficiency is low.
In order to achieve the purpose, the invention adopts the following technical scheme:
a multi-stage magnetic resistance type polymetallic nodule lifting system comprises a water surface supporting system energy storage device arranged on a supporting ship body or a platform on the upper part of a water surface, wherein the supporting ship body or the platform is communicated with the upper end of a lifting vertical pipe with a built-in coil, the lower end of the lifting vertical pipe is communicated with a storage chamber of a middle bin, the storage chamber of the middle bin is also communicated with one end of an ore collecting hose with the built-in coil, and the other end of the ore collecting hose is connected to a collecting head part of an ore collecting car; a multistage magnetic resistance type power device connected with an embedded coil of the lifting vertical pipe to realize a power supply function is arranged outside the lifting vertical pipe in parallel, the upper end of the multistage magnetic resistance type power device is connected with an energy storage device of a water surface support system, and the lower end of the multistage magnetic resistance type power device is connected with a power transformation energy storage chamber of the middle bin; the outside of the ore collecting hose is fixedly connected with a plurality of parallel cables parallel to the ore collecting hose, one end of each parallel cable is connected with a coil in the ore collecting hose and provides electric energy for the coil to form pulse current, and the other end of each parallel cable is connected to a power transformation energy storage chamber of the intermediate bin.
The pipe wall of the lifting vertical pipe is composed of three layers of insulating materials, the inner layer is a waterproof insulating material layer with a smooth inner surface, the middle layer is an insulating material layer embedded with a copper wire, and the outer layer is a waterproof insulating material layer.
The middle level of promotion riser, every certain distance embeds there is the enameled copper line of certain length, and the copper line is according to right-hand rule winding on the inlayer, and the copper line enameled has insulating material, and both ends enameled copper line head exposes outer pipe wall about the copper line, exposes partial parcel thickening insulating material and links to each other with the multistage magnetic resistance formula power device of corresponding level.
The multistage magnetic resistance type power device consists of a plurality of external boosting energy storage devices, a damping fixing device and cables which are connected in parallel, the upper end of the multistage magnetic resistance type power device is connected with the energy storage device of the water surface support system through the cables, the lower end of the multistage magnetic resistance type power device is connected with the middle bin, the middle bin is parallel to the lifting vertical pipe of the built-in coil, and the multistage magnetic resistance type power device is connected with the middle enameled copper wire of the vertical pipe through the enameled copper wire at intervals.
Hang energy memory that steps up's internal circuit including the booster circuit that links to each other in proper order, rectifier circuit and charge and the energy storage part, link to each other with the middle-level copper line of promotion riser through enameled copper conductor, provide the electric current for the middle-level copper line of riser.
The wall of the ore collecting hose is at least divided into three layers, a section of coil is arranged in the middle layer at intervals, each section of coil is connected in parallel, and the rest layers are insulating protective layers.
The middle bin is provided with four chambers in parallel, two sides of the middle bin are provided with buoyancy chambers, and the middle of the middle bin is provided with a storage chamber and a power transformation energy storage chamber respectively.
All electrical components and coils are controlled by a control system.
The lifting method of the multistage reluctance type polymetallic nodule lifting system comprises the following steps:
the ore collecting hose at the lower part of the intermediate bin is directly connected to a mine car collecting head to replace the mine car collecting head to carry out magnetic ore collection, the ore collecting hose can move along with a mine car, a pipe orifice is placed above a multi-metal nodule, capacitors in a power transformation energy storage chamber of the intermediate bin discharge instantly, current is transmitted to a hose built-in coil through a parallel cable to form pulse current, the built-in coil generates strong Lorentz force under strong current, strong suction force is generated on magnetic materials such as multi-metal ores, the magnetic materials are sucked into the coil ore collecting hose instantly and accelerated, when ores reach the middle point of a coil section, the voltage of the capacitors is reduced by a large amount, the current of the coil is reduced greatly compared with that of the coil, the suction force of the coil is greatly reduced, the counter-pull force on the multi-metal nodule ores is not enough to overcome the inertia of the ores, the ores fly out of the coil by means of inertia after being slightly decelerated, and entering the suction range of the next section of coil, and electrifying the next section of coil to continuously provide power for the ore. The control unit controls the discharge intervals of all sections and controls the ore transportation speed and efficiency;
the ore enters the middle storage material chamber, is stored, then enters the vertical pipe section according to the same principle and is continuously accelerated to be transported, and because the distance of the lifting vertical pipe section is long, and the lifting vertical pipe section does not need too large deformation, a multistage magnetic resistance type power device is adopted to provide current for each section of coil, the multistage magnetic resistance type power device can generate a motion compensation effect with the movement of the lifting vertical pipe under the influence of sea waves by utilizing a damping fixing device and self gravity, and the multistage magnetic resistance type power device can be used as a damping device to reduce the deformation vibration of the lifting vertical pipe under the action of the waves.
The ore stored in the middle bin is lifted through the lifting vertical pipe, the vertical pipe is made of an insulator, when the conductive coil is electrified, electric energy is transmitted to all levels of external boosting energy storage devices through the cable, the external boosting energy storage devices automatically charge the energy storage capacitors through the boosting part, the rectifying part and the charging and energy storage parts in the built-in circuit of the external boosting energy storage devices, the charging switch is disconnected after the external boosting energy storage devices are fully charged, and the electric energy is fully charged in the energy storage units in the variable-voltage energy storage chamber in the middle bin through the cable.
The damping fixture may employ a VES-type pipe damper.
According to the invention, the lifting vertical pipe and the hose are embedded with the conductive coils, and Lorentz force is generated through currents provided by the multistage magnetic resistance type power device and the intermediate bin power transformation part respectively, so that the ore with the magnetic conduction function is attracted, and the ore is transported according to the principle. The electric energy of the power device can be directly converted into the kinetic energy for ore carrying, and meanwhile, water flow is not needed to be used as a carrier like pump type transportation, so that the energy consumption can be reduced, the sewage is reduced, and the effects of energy conservation and environmental protection are achieved.
Compared with a mechanical lifting device, the invention has the advantages that:
1. the reluctance type multi-stage lifting and conveying device directly utilizes the electric energy to be converted into ore lifting kinetic energy, avoids the consumption of converting the electric energy into the kinetic energy of equipment,
2. the mechanical transmission device and the acquisition device which are complicated and have high faults among all levels are avoided.
3. The use of metal parts is reduced, so that the overall corrosion resistance of the equipment is enhanced, and the service life is prolonged.
Compared with a pump type lifting device, the invention has the advantages that:
1. the multi-stage lifting conveying device can simply realize the multi-stage kinetic energy supply and control,
2. the fluid is not needed to be used as a carrier, so that the energy consumed by the movement of the water flow is reduced, and the pollution caused by the re-discharge of the carrier water flow is also reduced.
3. The pump lifting has high requirements on the mineral particle size, and the mineral particles can be transported only after being crushed on the seabed.
Drawings
FIG. 1 is a schematic overall view of the system of the present invention;
FIG. 2 is a schematic view of a riser and a multi-stage reluctance type power plant;
FIG. 3 is a schematic circuit diagram of an external boost energy storage device;
wherein, 1, the water surface supports the energy storage device of the system; 2. lifting the riser; 21. lifting the outer layer of the riser; 22. lifting the middle layer of the stand pipe; 23. an embedded coil of the riser; 24. lifting the inner layer of the stand pipe; 3. a multi-stage reluctance type power plant; 31. enamelling copper wires; 32. a cable; 33. a damping fixing device; 34. an external boosting energy storage device; 341. a boosting section; 342. a rectifying section; 343 a charging and energy storage section; 4. a middle bin; 41. a buoyancy chamber; 42. a storage chamber; 43. a power transformation energy storage chamber; 5, collecting a flexible pipe; 51 parallel cables; 52. a multi-layer hose; 53. a built-in coil of the ore collecting hose; 54. a buoyancy device; 6 collecting mine cars.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
The structure, proportion, size and the like shown in the drawings are only used for matching with the content disclosed in the specification, so that the person skilled in the art can understand and read the description, and the description is not used for limiting the limit condition of the implementation of the invention, so the method has no technical essence, and any structural modification, proportion relation change or size adjustment still falls within the scope covered by the technical content disclosed by the invention without affecting the effect and the achievable purpose of the invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The invention utilizes the principle similar to a reluctance type electromagnetic emitter to generate magnetic force when the coil is electrified, accelerate the polymetallic nodule with certain magnetism, reduce the current when the manganese nodule runs to the middle of the coil, and transport the nodule by moving forward continuously by means of inertia to enter the next coil suction range.
As shown in fig. 1-3, the multi-stage reluctance type polymetallic nodule lifting system comprises a water surface support system energy storage device 1 arranged on a support hull or platform on the upper part of the water surface, the energy of the system is from the electric energy stored by the water surface support system energy storage device 1, and the electric energy can be from tide and ocean energy in situ or from the energy stored on the shore or nuclear energy.
The supporting ship body or the platform is communicated with the upper end of a lifting vertical pipe 2 embedded with a coil 23, the lower end of the lifting vertical pipe 2 is communicated with a storage chamber 42 of a middle bin 4, the storage chamber 42 of the middle bin 4 is also communicated with one end of an ore collecting hose 5 of an embedded coil 53, and the other end of the ore collecting hose 5 is connected to a collecting head part of an ore collecting car 6;
the pipe wall of the lifting vertical pipe 2 is composed of three layers of insulating materials, wherein the inner layer 24 is a waterproof insulating material layer with a smooth inner surface, the middle layer 22 is an insulating material layer embedded with a copper wire, and the outer layer 21 is a waterproof insulating material layer. The middle level of promotion riser 2, every interval apart from built-in have the enameled wire of certain length, and the copper line is according to right-hand rule winding on the inlayer, and copper line enameled has insulating material, and both ends enameled wire head exposes outer pipe wall about the copper line, exposes partial parcel thickening insulating material and links to each other with multistage magnetic resistance formula power device 3 of corresponding level.
A multistage magnetic resistance type power device 3 connected with an embedded coil thereof to realize a power supply function is arranged outside the lifting vertical pipe 2 in parallel, the upper end of the multistage magnetic resistance type power device 3 is connected with the energy storage device 1 of the water surface support system, and the lower end is connected with a power transformation energy storage chamber 43 of the intermediate bin 4;
the multistage magnetic resistance type power device 3 is composed of a plurality of external boosting energy storage devices 34, a damping fixing device 33 and cables 32 which are connected in parallel, the upper end of the multistage magnetic resistance type power device is connected with the energy storage device 1 of the water surface support system through the cables 32, the lower end of the multistage magnetic resistance type power device is connected with the middle bin 4 and is parallel to the lifting vertical pipe 2 with the embedded coil, and the multistage magnetic resistance type power device is connected with the middle-layer enameled copper wire of the lifting vertical pipe through the enameled copper wire at intervals. The intermediate bin 4 is provided with four chambers in parallel, two sides are provided with buoyancy chambers 41, and the middle is provided with a storage chamber 42 and a power transformation storage chamber 43. All electrical components and coils are controlled by a control system. The whole device is parallel to the lifting vertical pipe, and is mutually fixed and compensated with the lifting vertical pipe through the damping fixing device 33, so that certain wave flow disturbance resistance is generated.
The internal circuit of the external boosting energy storage device 34 comprises a boosting circuit 341, a rectifying circuit 342 and a charging and energy storage part 343 which are connected in sequence, and is connected with the middle copper wire of the lifting stand pipe through an enameled copper wire to provide current for the middle copper wire of the lifting stand pipe.
A plurality of parallel cables 51 parallel to the ore collecting hose 5 are fixedly connected to the outside of the ore collecting hose 5, one end of each parallel cable 51 is connected with an internal coil 53 in the ore collecting hose 5 and provides electric energy for the internal coil 53 to form pulse current, and the other end of each parallel cable 51 is connected to the power transformation energy storage chamber 43 of the intermediate bin 4.
The wall of the ore collecting hose 5 is at least composed of three layers, a section of coil is arranged in the middle layer at intervals, each section of coil is connected in parallel, and the rest layers are insulating protective layers.
The lifting method of the multistage reluctance type polymetallic nodule lifting system comprises the following steps:
the part below the intermediate bin 4 has more freedom of movement, and in order to reduce the movement resistance, a parallel cable 51 connected out of the intermediate bin is used for connecting a built-in coil 53 of a multi-layer hose 52 and supplying current to the built-in coil.
The ore collecting hose 5 at the lower part of the middle bin 4 is directly connected to a collecting head of a mine car 6 and can replace the collecting head of the mine car to carry out magnetic ore collection, the ore collecting hose 5 has better bending performance and can move along with the mine car, a pipe orifice is placed above a multi-metal nodule, capacitors in a power transformation energy storage chamber of the middle bin 4 discharge instantly, current is transmitted to a hose built-in coil 53 through a parallel cable 51 to form pulse current, the built-in coil 53 generates strong Lorentz force under strong current, strong suction force is generated on magnetic conductive substances such as multi-metal ores, the magnetic conductive substances are sucked into the coil ore collecting hose 5 instantly and accelerated, when ores reach the middle point position of a coil section, the voltage of the capacitors is reduced by a large half, the current of the coils is reduced greatly, the suction force of the coils is greatly reduced, and the counter-pull force on the multi-metal nodule ores is not enough to overcome the inertia of the ores, the ore flies out of the coil section by means of inertia after being slightly decelerated, enters the suction range of the next coil section, and the next coil section is electrified to continuously provide power for the ore. The control unit controls the discharge intervals of all sections, so that the ore transportation speed and efficiency can be controlled.
After the ore enters the storage chamber 42 of the intermediate bin 4, the ore is stored, then the ore enters the vertical pipe section by the same principle and is continuously accelerated to be transported, because the distance of the lifting vertical pipe 2 section is long, and too large deformation is not needed, the multistage magnetic resistance type power device 3 is adopted to provide current for each section of coil, the multistage magnetic resistance type power device 3 utilizes the damping fixing device 33 and the self gravity, the motion compensation effect can be generated with the motion of the lifting vertical pipe under the influence of sea waves, the multi-stage magnetic resistance type power device is used as a damping device, and the deformation vibration of the lifting vertical pipe 2 under the action of the waves is reduced.
The ore stored in the middle bin 4 is lifted by the lifting vertical pipe 2, the vertical pipe is made of an insulator, a conductive coil is embedded in the vertical pipe, when the conductive coil is electrified, electric energy is transmitted to each level of external boosting energy storage device 34 through a cable 32, the external boosting energy storage device 34 automatically charges an energy storage capacitor through a boosting part 341, a rectifying part 342 and a charging and energy storage part 343 in a built-in circuit of the external boosting energy storage device, a charging switch is disconnected after the external boosting energy storage device is fully charged, and the electric energy simultaneously fully charges energy storage units in the variable-voltage energy storage chamber 43 in the middle bin 4 through the cable 32,
although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. The water surface support system energy storage device on the platform is used for supporting a ship body or a platform to be communicated with the upper end of a lifting vertical pipe with a built-in coil, the lower end of the lifting vertical pipe is communicated with a storage chamber of a middle bin, the storage chamber of the middle bin is also communicated with one end of an ore collecting hose with the built-in coil, and the other end of the ore collecting hose is connected to a collecting head part of an ore collecting car; a multistage magnetic resistance type power device connected with an embedded coil of the lifting vertical pipe to realize a power supply function is arranged outside the lifting vertical pipe in parallel, the upper end of the multistage magnetic resistance type power device is connected with an energy storage device of a water surface support system, and the lower end of the multistage magnetic resistance type power device is connected with a power transformation energy storage chamber of the middle bin; the outside of the ore collecting hose is fixedly connected with a plurality of parallel cables parallel to the ore collecting hose, one end of each parallel cable is connected with a coil in the ore collecting hose and provides electric energy for the coil to form pulse current, and the other end of each parallel cable is connected to a power transformation energy storage chamber of the intermediate bin.
2. The system of claim 1, wherein the walls of the risers comprise three layers of insulating material, an inner layer of waterproof insulating material with smooth inner surface, a middle layer of insulating material with copper wires embedded therein, and an outer layer of waterproof insulating material.
3. The system of claim 2, wherein a length of enameled copper wires is disposed in the middle layer of the lifting vertical tube at intervals, the copper wires are wound around the inner layer according to the right-hand rule, the copper wires are enameled with an insulating material, the ends of the enameled copper wires at the upper and lower ends of the copper wires are exposed out of the outer tube wall, and the exposed portions are wrapped with a thickened insulating material and connected to the corresponding stages of the multi-stage reluctance type power device.
4. The multi-stage reluctance type polymetallic nodule lifting system as claimed in claim 1, wherein the multi-stage reluctance type power device is composed of a plurality of external boosting energy storage devices, damping fixing devices and cables connected in parallel, the upper end of the multi-stage reluctance type power device is connected with the energy storage device of the water surface supporting system through the cables, the lower end of the multi-stage reluctance type power device is connected with the middle bin, the multi-stage reluctance type polymetallic nodule lifting system is parallel to the lifting vertical pipe of the built-in coil, and the multi-stage reluctance type polymetallic nodule lifting system is connected with the enameled copper wire in the middle layer of the vertical pipe through the enameled copper wire at intervals.
5. The system of claim 4, wherein the internal circuit of the energy storage device comprises a booster circuit, a rectifier circuit and a charging and energy storage part connected in sequence, and the booster circuit, the rectifier circuit and the charging and energy storage part are connected with the copper wire on the middle layer of the lifting vertical tube through an enameled copper wire to supply current to the copper wire on the middle layer of the lifting vertical tube.
6. The system of claim 1, wherein the wall of the collecting tube comprises at least three layers, the middle layer has coils at intervals, each coil is connected in parallel, and the rest layers are insulating protective layers.
7. The system of claim 1, wherein the middle bin comprises four chambers in parallel, two sides of the four chambers are buoyancy chambers, and the middle of the four chambers is a storage chamber and a power transformation and storage chamber.
8. The multi-stage magnetoresistive polymetallic nodule lifting system of claim 1 wherein all electrical components and coils are controlled by a control system.
9. The lifting method of the multistage reluctance type polymetallic nodule lifting system is characterized by comprising the following steps of:
the ore collecting hose at the lower part of the intermediate bin is directly connected to a mine car collecting head to replace the mine car collecting head to carry out magnetic ore collection, the ore collecting hose can move along with a mine car, a pipe orifice is placed above a multi-metal nodule, capacitors in a power transformation energy storage chamber of the intermediate bin discharge instantly, current is transmitted to a hose built-in coil through a parallel cable to form pulse current, the built-in coil generates strong Lorentz force under strong current, strong suction force is generated on magnetic materials such as multi-metal ores, the magnetic materials are sucked into the coil ore collecting hose instantly and accelerated, when ores reach the middle point of a coil section, the voltage of the capacitors is reduced by a large amount, the current of the coil is reduced greatly compared with that of the coil, the suction force of the coil is greatly reduced, the counter-pull force on the multi-metal nodule ores is not enough to overcome the inertia of the ores, the ores fly out of the coil by means of inertia after being slightly decelerated, entering the suction range of the next section of coil, electrifying the next section of coil, continuously providing power for the ore, controlling the discharge interval of each section through the control unit, and controlling the ore transportation speed and efficiency;
the ore enters the middle storage material chamber, is stored, then enters the vertical pipe section according to the same principle and is continuously accelerated to be transported, and because the distance of the lifting vertical pipe section is long, and the lifting vertical pipe section does not need too large deformation, a multistage magnetic resistance type power device is adopted to provide current for each section of coil, the multistage magnetic resistance type power device can generate a motion compensation effect with the movement of the lifting vertical pipe under the influence of sea waves by utilizing a damping fixing device and self gravity, and the multistage magnetic resistance type power device can be used as a damping device to reduce the deformation vibration of the lifting vertical pipe under the action of the waves.
10. The method as claimed in claim 9, wherein the ore stored in the middle bin is lifted by a lifting vertical pipe made of an insulator, when the conductive coil is energized, the electric energy is transmitted to each stage of the external boosting energy storage device through a cable, the external boosting energy storage device automatically charges the energy storage capacitor through the boosting part, the rectifying part and the charging and energy storage part in the built-in circuit, the charging switch is turned off after the charging is completed, and the electric energy simultaneously charges the energy storage unit in the middle bin in full charge through the cable.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111520680.6A CN114060035B (en) | 2021-12-14 | 2021-12-14 | Multi-stage magnetic resistance type multi-metal nodule lifting system and lifting method thereof |
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| CN202111520680.6A CN114060035B (en) | 2021-12-14 | 2021-12-14 | Multi-stage magnetic resistance type multi-metal nodule lifting system and lifting method thereof |
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| CN109973096A (en) * | 2019-04-19 | 2019-07-05 | 中国海洋大学 | A kind of deep sea polymetallic nodule ore mining mine operating system |
| CN112693566A (en) * | 2020-12-28 | 2021-04-23 | 中国科学院力学研究所 | Magnetic force auxiliary lifting system for underwater mineral aggregate collection |
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| GB1428297A (en) * | 1974-04-16 | 1976-03-17 | Pedrick A P | Apparatus for maintaining the high speed movement of bodies in a tube |
| CN101482017A (en) * | 2008-12-24 | 2009-07-15 | 张家港市晓阳节能电器有限公司 | Iron manganese concretion mining vehicle |
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