Vertical closed deep sea polymetallic sulfide mining machine

Abstract

The invention discloses a vertical closed type deep sea polymetallic sulfide mining machine, and belongs to the field of deep sea mineral resource mining equipment. The vertical closed deep sea polymetallic sulfide mining machine mainly comprises a supporting system, a mining system, a conveying system and an isolating system, the supporting system is arranged on the seabed and provides overall support for the bottom sitting and mining process of the mining machine. The mining system is connected with the supporting system and is used for cutting and crushing ores; the conveying system is arranged on the supporting system and the mining system, conveys ore crushed by the mining system to the top of a mining machine in the form of ore pulp, and then conveys the ore to the sea surface through a pipeline to be processed. The isolation system is arranged at the bottom of the supporting system. In the application, the deep-sea polymetallic sulfide mining machine performs vertical closed mining on the seabed, so that the mining process causes less environmental pollution, and most of tail water generated by mining returns to the original mining environment, so that the problem of environmental pollution caused by tail water discharged on the sea surface can be effectively reduced.

Description

Technical Field

[0001] The present application belongs to the field of deep-sea mineral resource mining, and specifically relates to a vertically enclosed deep-sea polymetallic sulfide mining machine. Background Art

[0002] With the development of science and technology and the new energy industry, the demand for metal resources is increasing, and seabed mining has become a trend. The current mainstream mining vehicle solution for deep-sea mining is the crawler mining vehicle. These crawler miners are typically deployed on the seabed and move across the seabed to carry out mining. However, this development method, due to the movement and operation of the crawler miners, causes significant pollution to the seabed environment. Currently, vertical mining machine designs primarily utilize straight trench diggers, and relatively little research has been conducted. The mining range of straight trench diggers is limited by the size of the cutting head, making it impossible to expand the mining range and resulting in low mining efficiency. Summary of the Invention

[0003] The purpose of the embodiment of the present application is to provide a vertical enclosed deep-sea polymetallic sulfide mining machine, which solves the problem that crawler mining vehicles cause significant pollution to the seabed environment and that straight-slot trenching mining machines have a limited excavation range.

[0004] The embodiment of the present application provides a vertical closed deep-sea polymetallic sulfide mining machine, the vertical closed deep-sea polymetallic sulfide mining machine comprising: a support system, a mining system, a conveying system, and an isolation system; The support system is arranged on the seabed to provide overall support for the mining machine to sit on the bottom and the mining process; the mining system is connected to the support system to cut and crush the ore; the conveying system is arranged on the support system and the mining system to convey the ore crushed by the mining system to the top of the mining machine in the form of slurry, and then transported to the sea surface through a pipeline for processing; the isolation system is arranged at the bottom of the support system to isolate the mining system from the external environment during the mining process, and to perform vertical closed mining on the seabed; Wherein, the mining system and the support system are connected through a multi-stage hydraulic rod.

[0005] Optionally, the support system includes an overall frame, a leg telescopic rod, a leg, and a multi-stage hydraulic rod, wherein the leg telescopic rod is connected to the overall frame, the leg is connected to the leg telescopic rod, and the multi-stage hydraulic rod is connected to the overall frame; The overall frame is used to connect the mining system, the conveying system and the isolation system. During the deployment process, the mining system is arranged in the overall frame. The leg telescopic rods are used to adjust the angles of the legs. The legs can be adjusted in height to enable the mining machine to achieve stable bottoming in complex terrain. The multi-stage hydraulic rods are used to extend and retract the mining system after bottoming to achieve the mining task.

[0006] Optionally, the vertical closed deep-sea polymetallic sulfide mining machine further includes an isolation system, the isolation system including an isolation cover and a plurality of retractable baffles, the isolation cover is provided at the bottom of the overall frame and is rigidly connected to the overall frame, and the retractable baffles are hydraulically connected to the isolation cover; The isolation cover is used to isolate the internal mining environment from the external seawater during the mining process, and is used to realize closed mining to avoid mixing the water and polluting the deep-sea environment. The retractable baffle is used to compensate for the gap between the isolation cover and the seabed through hydraulic expansion and contraction, and is combined with the isolation cover to realize closed mining. The retractable baffle is arranged along the circumference direction of the compensation isolation cover to facilitate better compensation and sealing. Adjacent retractable baffles are in contact with each other, slidably connected, and sealed.

[0007] Optionally, the mining system includes a cutting wheel, a cutting head baffle, cutting head picks and a cutting head drum, wherein the cutting head baffle is rigidly connected to the lower part of the vertical telescopic arm, the two sides of the cutting wheel are mounted on the cutting head baffle, the cutting head drum includes left and right parts, which are symmetrically mounted on the cutting wheel, and the cutting head picks are evenly arranged and mounted on the cutting head drum; The cutting head baffle is used to connect the vertical telescopic arm and the mining system to fix the mining system. The cutting wheel is used to drive the cutting head drum to rotate during the mining process. The cutting head drum is used to install the cutting head picks, and the rotation of the cutting wheel drum drives the rotation of the cutting head picks. The cutting head picks are used to cut and crush deep-sea polymetallic sulfide ores through rotation.

[0008] Optionally, the vertically enclosed deep-sea polymetallic sulfide mining machine further includes a conveying system, which includes a temporary silo, a diverter valve, a multi-stage return water hard pipe, a multi-stage slurry lifting hard pipe, a return water hose, a slurry lifting hose, and a slurry lifting pump. The temporary silo is installed above the overall frame and is rigidly connected to the overall frame. The diverter valve is installed at the bottom of the temporary silo and is connected via a rigid pipe. One end of the multi-stage return water hard pipe and the multi-stage slurry lifting hard pipe are installed on the diverter valve. The return water hose is connected to the multi-stage return water hard pipe. The slurry lifting hose is connected to the multi-stage slurry lifting hard pipe. The slurry lifting pump is installed on the cutting head baffle and connected to the slurry lifting hose. The temporary silo is used to temporarily store the ore pulp produced by the mining system, the diverter valve is used to divert the ore pulp produced by the mining and the deep sea water returned to the mining environment, the multi-stage ore pulp lifting hard pipe and the ore pulp lifting hose are used to transport the ore pulp produced by the mining system to the temporary silo, the multi-stage return water hard pipe and the return water hose are used to transport the filtered deep sea water back to the mining environment to reduce pollution to the seabed water body, and the ore pulp lifting pump is used to pump the mined ore pulp into the temporary silo.

[0009] Optionally, the vertical closed deep-sea polymetallic sulfide mining machine conveying system further includes a slurry outlet, a water return outlet, and a filter tank. The slurry outlet and the water return outlet are installed above the temporary silo and connected to the temporary silo via a valve, and the filter tank is installed inside the temporary silo. The filter chamber is used to perform preliminary filtration on the slurry transported by the multi-stage slurry lifting hard pipe to form a slurry with a higher ore content. The slurry outlet is used to transport the slurry filtered by the filter chamber to the slurry transport pipeline through the slurry outlet and finally transfer it to the water surface. The return water outlet is used to transfer the deep sea water transported back to the mining environment from the water surface to the multi-stage return water hard pipe through the return water outlet.

[0010] Optionally, the vertical closed deep-sea polymetallic sulfide mining machine further comprises a fixed disc and a rotating disc, the fixed disc is connected to the multi-stage hydraulic rod, and the rotating disc is connected to the fixed disc; The fixed disc is used to fix the mining system, and a hydraulic module and a power module are installed inside to provide hydraulic expansion and power support for the mining system. The rotating disc is used to rotate the mining system, so that the cutting mechanism can achieve 360° rotation to form a cylindrical mining shaft.

[0011] Optionally, the vertical enclosed deep-sea polymetallic sulfide mining machine further comprises a vertical telescopic arm and a horizontal telescopic arm, wherein the vertical telescopic arm is connected to the horizontal telescopic arm and the rotating disc; The vertical telescopic arm is used to expand the vertical mining range of the mining system through vertical telescopic extension, and the horizontal telescopic arm is used to expand the horizontal mining range of the mining system through horizontal telescopic extension. The vertical telescopic arm combined with the horizontal telescopic arm can realize the extension and contraction of the mining system by about 190° front and back and 1m vertically, thereby expanding the mining range.

[0012] Optionally, the vertical closed deep-sea polymetallic sulfide mining machine further includes a side support baffle and side support rollers, wherein the side support baffle is connected to the fixed disc, and the side support rollers are arranged on the side support baffle at intervals, and the side support rollers are used to serve as rolling guide supports when the side support baffle moves downward during mining; The side support rollers are evenly distributed in multiple rows on the side support baffle, and the specific number and size of the side support rollers are designed and adjusted according to the sliding friction force required by the side support baffle.

[0013] In the embodiment of the present application, since the support system is connected to the mining system and is disposed on the seabed, when deep-sea polymetallic sulfide mining is required, the mining machine can be deployed on the seabed using deployment equipment. After the support system is seated, it rests on the seabed, and the isolation system is released to isolate the mining environment from the external environment. The mining system then excavates the polymetallic sulfide deposit vertically downward. The minerals mined by the mining system can be transported to the surface via a conveying system. The isolation system includes retractable isolation panels, which, compared to existing solutions, enables closed-loop mining of polymetallic sulfides. That is, in the embodiment of the present application, by providing the isolation system with retractable baffles and the mining system conducting vertical mining on the seabed, the mining system can minimize pollution to the seabed environment during mining of the polymetallic sulfide deposit. Furthermore, the tailwater generated by the mining system is filtered through a filtration tank and at the sea surface, with most of it returning to the original mining environment through a return pipe, effectively preventing the impact of direct discharge of the tailwater into the sea surface on shallow water and the environment. Furthermore, hydraulic adjustment of the vertical and horizontal telescopic arms allows the mining system to extend and retract approximately 190° forward and backward, and 1 meter vertically. The rotating disc allows the entire mining system to rotate 360°, expanding the mining range. In other words, in this embodiment, mining of deep-sea polymetallic sulfides not only reduces pollution to the seabed environment but also extends the mining range, achieving low-pollution and high-efficiency deep-sea polymetallic sulfide mining. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram showing a vertically enclosed deep-sea polymetallic sulfide mining machine provided in an embodiment of the present application; Figure 2 A schematic diagram showing a vertical mining cutting head provided in an embodiment of the present application; Figure 3 A schematic diagram showing the operation of an isolation cover of an isolation system provided by an embodiment of the present application; Figure 4 A schematic diagram showing the operation of a conveying system provided in an embodiment of the present application.

[0015] Reference numerals: 10-Support system; 11-Overall frame; 12-Telescopic rod for outrigger legs; 13-Outrigger legs; 14-Multi-stage hydraulic rod; 20-Mining system; 21-Fixed disc; 22-Side support baffle; 23-Rotating disc; 24-Vertical telescopic arm; 25-Horizontal telescopic arm; 26-Side support roller; 30-Conveying system; 31-Slurry outlet; 32-Return water outlet; 33-Temporary silo; 34-Diverter valve; 35-Multi-stage return water pipe; 36-Multi-stage slurry lifting pipe; 37-Return water hose; 38-Slurry lifting hose; 39-Slurry lifting pump; 40-Isolation system; 41-Isolation cover; 42-Telescopic isolation plate; 51-Cutting wheel; 52-Cutting head baffle; 53-Cutting head pick; 54-Cutting head drum; 55-Slurry inlet; 56-Return water inlet; 61-Filter chamber. DETAILED DESCRIPTION

[0016] The terms "first" and "second" in the specification and claims of this application may explicitly or implicitly refer to one or more of the features. Throughout the description of this application, unless otherwise specified, "plurality" means two or more. Furthermore, "and / or" in the specification and claims refers to at least one of the connected entities, and the character " / " generally indicates an "or" relationship between the connected entities.

[0017] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0018] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0019] Reference Figure 1 , showing a schematic diagram of a vertically enclosed deep-sea polymetallic sulfide mining machine provided in an embodiment of the present application; referring to Figure 2 , shows a schematic diagram of a vertical mining cutting head provided in an embodiment of the present application; Figure 3 , shows a schematic diagram of the operation of an isolation cover of an isolation system provided by an embodiment of the present application; refer to Figure 4 , shows a schematic diagram of the operation of a conveying system provided in an embodiment of the present application. Figures 1 to 4 As shown, the vertical closed deep-sea polymetallic sulfide mining machine includes: a support system 10, a mining system 20, a conveying system 30 and an isolation system 40.

[0020] The support system 10 is used to be set on the seabed to provide overall support for the mining machine to sit on the bottom and the mining process; the mining system 20 is connected to the support system 10 to cut and crush the ore; the conveying system 30 is set on the support system 10 and the mining system 20, and conveys the ore crushed by the mining system 20 to the top of the mining machine in the form of slurry, and then transports it to the sea surface through a pipeline for processing; the isolation system 40 is set at the bottom of the support system 10, and isolates the mining system 20 from the external environment during the mining process, and performs vertical closed mining on the seabed; wherein, the mining system 20 and the support system 10 are connected by a multi-stage hydraulic rod 14.

[0021] In the embodiment of the present application, since the support system 10 is connected to the mining system 20 and the support system 10 is arranged on the seabed, when it is necessary to mine deep-sea polymetallic sulfides, the mining machine can be placed on the seabed by deploying equipment, and the support system 10 is supported on the seabed after it sits on the bottom, and the isolation system 40 is released to isolate the mining environment from the external environment. The mining system 20 excavates the polymetallic sulfide deposit vertically downward, and the minerals mined by the mining system 20 can be transmitted to the water surface through the conveying system, and the isolation system 40 includes an isolation cover 41 and a retractable isolation plate 42. Compared with the existing solution, closed mining of polymetallic sulfides can be achieved. That is, in the embodiment of the present application, by providing an isolation system 40 comprising an isolation cover 41 and a retractable baffle 42, and by enabling the mining system 20 to perform vertical mining on the seabed, the mining system 20 can minimize pollution to the seabed environment during the mining of polymetallic sulfide deposits. Furthermore, the tailwater generated by the mining system 20 is filtered through the filter chamber 61 and the sea surface, with most of it returning to the original mining environment through the return pipe, effectively preventing the impact of direct discharge of tailwater into the sea surface on shallow water and the environment. Furthermore, hydraulic adjustment of the vertical telescopic arm 24 and the horizontal telescopic arm 25 allows the mining system to be extended and retracted approximately 190° forward and backward, and 1 meter vertically. The rotating disc 23 allows the entire mining system to rotate 360°, expanding the mining range. In other words, in this embodiment, when mining deep-sea polymetallic sulfides, not only is pollution to the seabed environment minimized, but the mining range is also extended, achieving low-pollution and high-efficiency deep-sea polymetallic sulfide mining.

[0022] In the prior art, deep-sea polymetallic sulfide mining typically involves placing a tracked mining vehicle on the seafloor, mining by moving along the surface. The vehicle is connected to a conveyor system that transports the mined minerals to the surface. This process generates a significant amount of dust on the seafloor, causing significant turbidity in the water and impacting the seabed environment. In the embodiment of the present application, the mining system 20 is set to vertical mining, and the conveying system 30 is bidirectionally conveyed between the sea surface and the seabed. The slurry mined by the mining system 20 is conveyed to the water surface, and the tail water filtered on the water surface is conveyed back to the mining environment, so that water circulation in the mining process can be achieved, the pollution of deep sea water is reduced, and the contact area between the mining process and the seabed is reduced, and the generation and diffusion of plumes are reduced. In addition, by setting the isolation system 40 including the retractable isolation plate 42, the mining system 20 can achieve closed mining when mining polymetallic sulfide deposits, and less dust generated during the mining process is transmitted to the seabed, that is, in the mine mined by the mining system 20, thereby avoiding pollution of the seabed environment and effectively protecting the seabed environment.

[0023] In addition, in the embodiment of the present application, the support system 10 includes an overall frame 11, a plurality of leg telescopic rods 12, a plurality of legs 13 and a plurality of multi-stage hydraulic rods 14. The end of one side of the leg telescopic rod 12 is connected to the overall frame 11, the leg 13 is connected to the end of the other side of the leg telescopic rod 12, and the multi-stage hydraulic rod 14 is connected to the overall frame 11; the overall frame 11 is used to connect the mining system 20, the conveying system 30 and the isolation system 40. During the deployment process, the mining system 20 is arranged in the overall frame 11, the leg telescopic rod 12 is used to adjust the angle of the leg, and the leg 13 can be adjusted in height so that the mining machine can achieve stable bottoming in complex terrain. The multi-stage hydraulic rod 14 is used to extend and retract the mining system 20 through the hydraulic rod after the bottoming is completed to achieve the mining task.

[0024] In addition, in an embodiment of the present application, the vertical closed deep-sea polymetallic sulfide mining machine also includes an isolation system 40, which includes an isolation cover 41 and several retractable baffles 42. The isolation cover 41 is arranged at the bottom of the overall frame 11 and is connected to the overall frame 11. The retractable baffles 42 are hydraulically connected to the isolation cover 41; the isolation cover 41 is used to isolate the internal mining environment from the external seawater during the mining process, and is used to achieve closed mining to avoid mixing the water body and polluting the deep-sea environment. The retractable baffles 42 are hydraulically retracted to compensate for the gap between the isolation cover 41 and the seabed. The retractable baffles 42 are arranged along the circumferential direction of the compensation isolation cover 41 to facilitate better compensation and sealing. Adjacent retractable baffles 42 are in contact with each other, slidably connected, and sealed.

[0025] Due to the isolation cover 41 and the retractable baffle 42, when the mining system 20 excavates a mine on the seabed, the isolation cover 41 can cover the mine, so that the dust generated by the mining system 20 during the excavation process is blocked by the isolation cover 41, causing more suspended matter to be concentrated in the mine. The retractable baffle 42 compensates for the gap between the isolation cover 41 and the seabed through hydraulic expansion and contraction, reducing the amount of suspended matter that leaks to the seabed, or even concentrating all suspended matter in the mine, thereby achieving closed mining. In other words, by providing the isolation cover 41 and the retractable baffle 42, the seabed environment can be effectively protected during the mining process.

[0026] In addition, in an embodiment of the present application, the vertical closed deep-sea polymetallic sulfide mining machine also includes a cutting wheel 51, a cutting head baffle 52, a plurality of cutting head picks 53 and a cutting head drum 54. The cutting head baffle 52 is connected to the vertical telescopic arm 24. Both sides of the cutting wheel 51 are installed on the cutting head baffle 52. The cutting head drum 54 includes two left and right parts, which are symmetrically installed on the cutting wheel 51. The cutting head picks 53 are evenly arranged and installed on the cutting head drum 54; the cutting head baffle 52 is used to connect the vertical telescopic arm 24 and the mining system 20, and the cutting wheel 51 is used to drive the cutting head drum 54 to rotate during the mining process. The cutting head drum 54 is used to install the cutting head picks 53, and the rotation of the cutting wheel 51 drives the rotation of the cutting head picks 53. The cutting head picks 53 are used to cut and crush deep-sea polymetallic sulfide ore by rotation.

[0027] In addition, in an embodiment of the present application, the vertical closed deep-sea polymetallic sulfide mining machine also includes a fixed disc 21, several side support baffles 22 and a rotating disc 23. The fixed disc 21 is connected to the power end of the multi-stage hydraulic rod 14, the rotating disc 23 is connected to the fixed disc 21, and the side support baffles 22 are connected to the fixed disc 21; wherein, the fixed disc 21 is used to fix the mining system 20, and a hydraulic module and a power module are installed inside to provide hydraulic extension and power support for the mining system 20. The rotating disc 23 is used to rotate the mining system 20, so that the cutting mechanism can achieve 360° rotation to form a cylindrical mining shaft.

[0028] In addition, in an embodiment of the present application, the vertical closed deep-sea polymetallic sulfide mining machine also includes a vertical telescopic arm 24 and a horizontal telescopic arm 25. The vertical telescopic arm 24 and the horizontal telescopic arm 25 are connected to the rotating disc 23. The vertical telescopic arm 24 is connected to one end of the horizontal telescopic arm 25, and the other end of the horizontal telescopic arm 25 is connected to the rotating disc 23. The vertical telescopic arm 24 is used to expand the vertical mining range of the mining system 20 through vertical expansion and contraction, and the horizontal telescopic arm 25 is used to expand the horizontal mining range of the mining system 20 through horizontal expansion and contraction. The combination of the vertical telescopic arm 24 and the horizontal telescopic arm 25 can realize the expansion and contraction of the mining system by about 190° front and back and 1m vertically, thereby expanding the mining range.

[0029] In addition, in some embodiments, the vertical closed deep-sea polymetallic sulfide mining machine further includes side support rollers 26, which are spaced apart on the side support baffle 22. The side support rollers 26 are used as rolling guide supports when the side support baffle 22 moves downward during mining.

[0030] It should be noted that the side support rollers 26 can be evenly distributed in multiple rows on the side support baffle 22 , and the specific number and size of the side support rollers 26 can be designed and adjusted according to the sliding friction force required by the side support 22 .

[0031] In addition, in the embodiment of the present application, the vertical closed deep-sea polymetallic sulfide mining machine also includes a slurry outlet 31, a return water outlet 32, a temporary silo 33, a diverter valve 34, a multi-stage return water hard pipe 35, a multi-stage slurry lifting hard pipe 36, a return water hose 37, a slurry lifting hose 38, a slurry lifting pump 39, a slurry inlet 55 and a return water inlet 56; the slurry outlet 31 and the return water outlet 32 ​​are connected to the temporary silo 33, the temporary silo 33 is connected to the overall frame 11, the diverter valve 34 is connected to the temporary silo 33, one end of the multi-stage return water hard pipe 35 and the multi-stage slurry lifting hard pipe 36 are connected to the diverter valve 34, and the other end is respectively connected to the return water hose 37 and the slurry lifting hose 38, the slurry lifting pump 39, the slurry inlet 55 and the return water inlet 56 are connected to the cutting The cutting head baffle 52 is connected; the slurry outlet 31 is used to transport the slurry after the initial filtration of the production to the water surface through a pipeline, and the return water outlet 32 ​​is used to transport the tail water filtered through the water surface to the temporary silo 33. The temporary silo 33 is used to temporarily store part of the slurry produced by the mining system. The diverter valve 34 is used to divert the lifted slurry and the tail water returned to the mining environment. The multi-stage return water hard pipe 35 realizes the length control of the return water pipeline through multi-stage adjustment, and the multi-stage slurry lifting hard pipe 36 realizes the length control of the slurry lifting pipeline through multi-stage adjustment. The return water hose 37 is used to connect the multi-stage return water hard pipe 35 with the return water inlet 56. The slurry lifting hose 38 is used to connect the multi-stage slurry lifting hard pipe 36 with the slurry inlet 55. The slurry lifting pump 39 is used to provide power for the lifting of the slurry in the mining machine.

[0032] In addition, in some embodiments of the present application, the vertical closed deep-sea polymetallic sulfide mining machine also includes a filter bin 61, which is arranged in the temporary silo 33 and is used to perform preliminary filtration of the slurry in the temporary silo 33, thereby increasing the ore concentration in the slurry and reducing the water content in the slurry.

[0033] It should be noted that in the embodiment of the present application, once the slurry mined by the mining system 20 is sucked into the slurry inlet 55 by the slurry lifting pump 39, when the slurry needs to be transported, the mineral of the mining system 20 can be transported through the slurry lifting hose 38 and the multi-stage slurry lifting hard pipe 36, that is, the slurry is transported to the multi-stage slurry lifting hard pipe 36 through the slurry lifting hose 38, and the multi-stage slurry lifting hard pipe 36 transfers the slurry to the filter bin 61, and the slurry after preliminary filtration in the filter bin 61 is transported to the water surface through the slurry outlet 31.

[0034] It should be noted that in the embodiment of the present application, once the tail water filtered on the water surface is transported to the return water port 32 through a pipeline, when the tail water needs to be returned to the original mining environment, the tail water can be transported through the multi-stage return water hard pipe 35 and the return water hose 37, that is, the tail water is transported to the multi-stage return water hard pipe 35 through the filter tank 61, the multi-stage return water hard pipe 35 transports the tail water to the return water hose 37, and the return water hose 37 transports the tail water back to the mining environment through the return water port 32.

[0035] In the embodiment of the present application, since the support system 10 is connected to the mining system 20 and the support system 10 is arranged on the seabed, when it is necessary to mine deep-sea polymetallic sulfides, the mining machine can be placed on the seabed by deploying equipment, and the support system 10 is supported on the seabed after it sits on the bottom, and the isolation system 40 is released to isolate the mining environment from the external environment. The mining system 20 excavates the polymetallic sulfide deposit vertically downward, and the minerals mined by the mining system 20 can be transmitted to the water surface through the conveying system, and the isolation system 40 includes an isolation cover 41 and a retractable isolation plate 42. Compared with the existing solution, closed mining of polymetallic sulfides can be achieved. That is, in this embodiment of the present application, by providing an isolation system 40 including a retractable baffle 42 and by enabling the mining system 20 to perform vertical mining on the seabed, the mining system 20 can minimize pollution to the seabed environment during the mining of polymetallic sulfide deposits. Furthermore, the tailwater generated by the mining system 20 is filtered through the filter chamber 61 and the sea surface, with the majority of it being returned to the original mining environment through the return pipe, effectively preventing the impact of direct discharge of tailwater into the sea surface on shallow water and the environment. Furthermore, hydraulic adjustment of the vertical telescopic arm 24 and the horizontal telescopic arm 25 allows the mining system to be extended and retracted approximately 190° forward and backward, and 1 meter vertically. The rotating disc 23 allows the entire mining system to rotate 360°, expanding the mining range. In other words, in this embodiment, when mining deep-sea polymetallic sulfides, not only is pollution to the seabed environment minimized, but the mining range is also extended, achieving low-pollution and high-efficiency deep-sea polymetallic sulfide mining.

[0036] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0037] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and intent of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A vertical enclosed deep-sea polymetallic sulfide mining machine, characterized in that: The vertical closed deep-sea polymetallic sulfide mining machine includes: a support system, a mining system, a conveying system and an isolation system; The support system is arranged on the seabed to provide overall support for the mining machine to sit on the bottom and the mining process; the mining system is connected to the support system to cut and crush the ore; the conveying system is arranged on the support system and the mining system to convey the ore crushed by the mining system to the top of the mining machine in the form of slurry, and then transported to the sea surface through a pipeline for processing; the isolation system is arranged at the bottom of the support system to isolate the mining system from the external environment during the mining process, and to perform vertical closed mining on the seabed; Wherein, the mining system and the support system are connected through a multi-stage hydraulic rod.

2. The vertical closed deep-sea polymetallic sulfide mining machine according to claim 1, characterized in that: The support system includes an overall frame, a leg telescopic rod, a leg, and a multi-stage hydraulic rod, wherein the leg telescopic rod is connected to the overall frame, the leg is connected to the leg telescopic rod, and the multi-stage hydraulic rod is connected to the overall frame; The overall frame is used to connect the mining system, the conveying system and the isolation system. During the deployment process, the mining system is arranged in the overall frame. The leg telescopic rods are used to adjust the angles of the legs. The legs can be adjusted in height to enable the mining machine to achieve stable bottoming in complex terrain. The multi-stage hydraulic rods are used to extend and retract the mining system after bottoming to achieve the mining task.

3. The vertical closed deep-sea polymetallic sulfide mining machine according to claim 2, characterized in that: The isolation system includes an isolation cover and a plurality of retractable baffles. The isolation cover is arranged at the bottom of the overall frame and is rigidly connected to the overall frame. The retractable baffles are hydraulically connected to the isolation cover. The isolation cover is used to isolate the internal mining environment from the external seawater during the mining process, and is used to realize closed mining to avoid mixing the water and polluting the deep-sea environment. The retractable baffle is used to compensate for the gap between the isolation cover and the seabed through hydraulic expansion and contraction, and is combined with the isolation cover to realize closed mining. The retractable baffle is arranged along the circumference direction of the compensation isolation cover to facilitate better compensation and sealing. Adjacent retractable baffles are in contact with each other, slidably connected, and sealed.

4. The vertical closed deep-sea polymetallic sulfide mining machine according to claim 3, characterized in that: The mining system includes a cutting wheel, a cutting head baffle, cutting head picks and a cutting head drum. The cutting head baffle is rigidly connected to the lower part of the vertical telescopic arm. Both sides of the cutting wheel are mounted on the cutting head baffle. The cutting head drum includes left and right parts, which are symmetrically mounted on the cutting wheel. The cutting head picks are evenly arranged and mounted on the cutting head drum. The cutting head baffle is used to connect the vertical telescopic arm and the mining system to fix the mining system. The cutting wheel is used to drive the cutting head drum to rotate during the mining process. The cutting head drum is used to install the cutting head teeth, and the rotation of the cutting head teeth is driven by the rotation of the cutting wheel. The cutting head teeth are used to cut and crush deep-sea polymetallic sulfide ores through rotation.

5. The vertical closed deep-sea polymetallic sulfide mining machine according to claim 4, characterized in that: The conveying system includes a temporary silo, a diverter valve, a multi-stage return water pipe, a multi-stage slurry lifting pipe, a return water hose, a slurry lifting hose, and a slurry lifting pump. The temporary silo is installed above the overall frame and is hard-connected to the overall frame. The diverter valve is installed at the bottom of the temporary silo and is connected via a hard pipe. One end of the multi-stage return water pipe and the multi-stage slurry lifting pipe are installed on the diverter valve. The return water hose is connected to the multi-stage return water pipe. The slurry lifting hose is connected to the multi-stage slurry lifting pipe. The slurry lifting pump is installed on the cutting head baffle and connected to the slurry lifting hose. The temporary silo is used to temporarily store the ore pulp produced by the mining system, the diverter valve is used to divert the ore pulp produced by the mining and the deep sea water returned to the mining environment, the multi-stage ore pulp lifting hard pipe and the ore pulp lifting hose are used to transport the ore pulp produced by the mining system to the temporary silo, the multi-stage return water hard pipe and the return water hose are used to transport the filtered deep sea water back to the mining environment to reduce pollution to the seabed water body, and the ore pulp lifting pump is used to pump the mined ore pulp into the temporary silo.

6. The vertical closed deep-sea polymetallic sulfide mining machine according to claim 5, characterized in that: The conveying system further includes a pulp outlet, a water return outlet and a filter bin, wherein the pulp outlet and the water return outlet are installed above the temporary silo and are connected to the temporary silo through a valve, and the filter bin is installed in the temporary silo; The filter chamber is used to perform preliminary filtration on the slurry transported by the multi-stage slurry lifting hard pipe to form a slurry with a higher ore content. The slurry outlet is used to transport the slurry filtered by the filter chamber to the slurry transport pipeline through the slurry outlet and finally transfer it to the water surface. The return water outlet is used to transfer the deep sea water transported back to the mining environment from the water surface to the multi-stage return water hard pipe through the return water outlet.

7. The vertical closed deep-sea polymetallic sulfide mining machine according to claim 6, characterized in that: The vertical closed deep-sea polymetallic sulfide mining machine further comprises a fixed disc and a rotating disc, wherein the fixed disc is connected to the multi-stage hydraulic rod and the rotating disc is connected to the rotating disc; The fixed disc is used to fix the mining system, and a hydraulic module and a power module are installed inside to provide hydraulic expansion and power support for the mining system. The rotating disc is used to rotate the mining system, so that the cutting mechanism can achieve 360° rotation to form a cylindrical mining shaft.

8. The vertical closed deep-sea polymetallic sulfide mining machine according to claim 7, characterized in that: The vertical enclosed deep-sea polymetallic sulfide mining machine further comprises a vertical telescopic arm and a horizontal telescopic arm, wherein the vertical telescopic arm is connected to the horizontal telescopic arm and the rotating disc; The vertical telescopic arm is used to expand the vertical mining range of the mining system through vertical telescopic extension, and the horizontal telescopic arm is used to expand the horizontal mining range of the mining system through horizontal telescopic extension. The vertical telescopic arm combined with the horizontal telescopic arm can realize the extension and contraction of the mining system 190° front and back and 1m vertically, thereby expanding the mining range.

9. The vertical closed deep-sea polymetallic sulfide mining machine according to claim 8, characterized in that: The vertical closed deep-sea polymetallic sulfide mining machine further includes a side support baffle and side support rollers, wherein the side support baffle is connected to the fixed disc, and the side support rollers are arranged on the side support baffle at intervals, and the side support rollers are used to serve as rolling guide supports when the side support baffle moves downward during mining; The side support rollers are evenly distributed in multiple rows on the side support baffle, and the specific number and size of the side support rollers are designed and adjusted according to the sliding friction force required by the side support baffle.

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