Mineral in-situ pulverization flow-state conveying system

Abstract

The utility model provides a mineral in-situ pulverization flow-state conveying system. According to the device, a crushing and screening device, a conveyor used for conveying materials of the crushing and screening device and a mining area size mixing device used for processing the materials conveyed by the conveyor are arranged on a material obtaining system; a multi-stage relay buffer stirring device, a multi-stage relay buffer water tank of which the input end is connected with the beneficiation field area treatment system, and a remote size mixing water conveying pump for conveying water in the multi-stage relay buffer water tank into the material obtaining system are arranged in the relay field area adjusting system; a thickener connected with the multi-stage relay buffer stirring device, a primary ball mill connected with a discharge hole of the thickener, and a slurry mixing water sedimentation tank connected with an overflow liquid outlet of the thickener are arranged in a processing system of the mineral separation field; according to the invention, the underground complex mechanical lifting equipment and the long-distance automobile conveying are replaced, so that the energy consumption is reduced, the personnel investment is low, the operation cost is low, the material does not need to be piled and stored, and the real-time processing of ore from mining to selection is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of metal mine conveying equipment, in particular to a mineral in-situ pulverization fluidized conveying system. Background Art

[0002] Metal mine transportation refers to various transportation operations that transport useful minerals, waste rocks or gangue mined underground from the excavation face to the surface transfer station, dressing plant, or transport personnel, materials, equipment and other materials in and out. The characteristics of mine transportation are large transportation volume, variety of varieties, narrow roadways, different transportation distances, complex lines, and short visible distances. Therefore, the operation is complex, maintenance and repair are difficult, and safety requirements are high. Mine transportation is divided into rail transportation (such as mine locomotive transportation, wire rope transportation) and trackless transportation (such as mine conveyor transportation, hydraulic transportation and aerial ropeway transportation) according to transportation equipment. Ore underground transportation refers to the transportation between the stoping face and the ore pass or the mining area ore bin. The ore is loaded in the stage transportation roadway and forms a train, which is towed by a motor locomotive to the ore pass or transported by a conveyor. Ore hoisting refers to the transportation from the bottom of the shaft to the wellhead. A hoist, wire rope and lifting container (such as skip, cage, string car, etc.), belt conveyor or dump truck are used to transport the ore to the wellhead (surface) along the vertical shaft, inclined shaft or ramp. For ore surface transportation, a motor locomotive, aerial ropeway, railway train or truck is used to transport the ore to the dressing plant or user, and the waste rock is sent to the waste rock yard.

[0003] Under complex geological conditions and harsh environments, the current mine transportation of large equipment and vehicles faces severe challenges of changing working conditions and large random loads. Therefore, through the whole-process management of mine transportation, it is necessary to develop a deep underground metal ore in-situ pulverization fluidized pipeline transportation system to achieve low-energy consumption, low-manpower, and pollution-free benign transportation operation of ore from the stope to the concentrator, and ultimately achieve the goal of improving mine transportation efficiency and mine productivity.

[0004] In view of this, it is necessary to design a mineral in-situ pulverization fluidized conveying system to solve the above problems. Summary of the Utility Model

[0005] Aiming at the defects of the above-mentioned prior art, the purpose of the utility model is to provide a mineral in-situ pulverization fluidized conveying system, which realizes low-energy consumption ore transportation by automatically dividing the operations of the material acquisition system, the relay yard adjustment system, and the concentrator yard treatment system, and replacing large underground hoisting equipment and large surface transportation vehicles.

[0006] To achieve the above purpose, the utility model provides a mineral in-situ pulverization fluidized conveying system, including: a material acquisition system, a relay yard adjustment system connected to the material acquisition system, and a concentrator yard treatment system connected to the relay yard adjustment system;

[0007] The material acquisition system includes a crushing and screening device, a conveyor for conveying the materials that fail to meet the treatment standards in the crushing and screening device, and a mining area pulp mixing device for treating the materials conveyed by the conveyor.

[0008] The relay field area regulation system includes a multi-stage relay buffer stirring device connected to the mining area pulp mixing device, a multi-stage relay buffer water pool with its input end connected to the ore dressing field area treatment system, and a remote pulp mixing water delivery pump for sending the water in the multi-stage relay buffer water pool into the material acquisition system; the output end of the multi-stage relay buffer water pool is connected to the material acquisition system.

[0009] The ore dressing field area treatment system includes a thickener connected to the multi-stage relay buffer stirring device, a primary ball mill connected to the discharge port of the thickener, and a pulp mixing water sedimentation tank connected to the overflow liquid outlet of the thickener.

[0010] Further, the crushing and screening device includes a primary coarse crusher, a first mining area classifier for screening the materials crushed by the primary coarse crusher, a secondary deep crusher for further crushing the materials with unqualified particle size in the first mining area classifier, and a second mining area classifier for screening the materials crushed by the secondary deep crusher.

[0011] Further, the mining area pulp mixing device includes a mining area pulp mixing tank for accommodating the materials with qualified particle size, a first stirring device used in cooperation with the mining area pulp mixing tank, a pulp mixing lifting pump with one end connected to the mining area pulp mixing tank and the other end connected to the multi-stage relay buffer stirring device, and a concentration detection device 1 arranged on the mining area pulp mixing tank.

[0012] Further, the multi-stage relay buffer stirring device includes a multi-stage relay buffer stirring tank connected to the mining area pulp mixing tank, a second stirring device used in cooperation with the multi-stage relay buffer stirring tank, and a remote pulp delivery pump with one end connected to the multi-stage relay buffer stirring tank and the other end connected to the thickener.

[0013] Further, the material acquisition system further includes a mining area distribution water pool with its input end connected to the multi-stage relay buffer water pool.

[0014] Further, the output end of the mining area distribution water pool is connected to the first mining area classifier, the second mining area classifier and the mining area pulp mixing device; the mining area distribution water pool is connected to the multi-stage relay buffer water pool.

[0015] Further, a bottom discharge pump is arranged between the thickener and the primary ball mill; a concentration detection device 2 is arranged between the bottom discharge pump and the thickener.

[0016] Further, a liquid outlet turbidity detection device is provided on the sizing water sedimentation tank.

[0017] Further, a sizing water supply pump is provided between the sizing water sedimentation tank and the multi-stage relay buffer water tank.

[0018] Further, a fluidizing water distribution pump is provided between the mining area distribution water tank, the first mining area classifier, the second mining area classifier, and the mining area sizing device.

[0019] The beneficial effects of the present utility model are as follows:

[0020] 1. The in-situ pulverization fluidized transportation system for minerals provided by the present utility model includes a crushing and screening device in the material acquisition system, a conveyor for transporting the qualified materials processed by the crushing and screening device, and a mining area sizing device for processing the materials transported by the conveyor; in the relay field area regulation system, a multi-stage relay buffer stirring device connected to the mining area sizing device, a multi-stage relay buffer water tank with an input end connected to the ore dressing field area treatment system, and a remote sizing water transfer pump for sending the water in the multi-stage relay buffer water tank into the material acquisition system (wherein, the output end of the multi-stage relay buffer water tank is connected to the material acquisition system); in the ore dressing field area treatment system, a thickener connected to the multi-stage relay buffer stirring device, a primary ball mill connected to the discharge port of the thickener, and a sizing water sedimentation tank connected to the overflow liquid outlet of the thickener; replacing the complex mechanical lifting equipment underground and the long-distance truck transportation, which not only reduces energy consumption, requires less personnel input, and has low operating costs, but also does not require stacking and storage of materials, realizing the real-time processing of "from mining to ore dressing" of ores. In addition, the relay field area regulation system can be divided into multiple underground relay field area regulation systems and multiple ground relay field area regulation systems according to actual situations. The system realizes unmanned transportation of ores, is conducive to the overall intelligent construction of the mine, and at the same time, the setting of the independent hydraulic fluid dynamic circulation system in the system is more energy-saving and environmentally friendly.

[0021] 2. The in-situ pulverization fluidized transportation system for minerals provided by the present utility model realizes the fully automatic crushing treatment of ores meeting the standards by setting a crushing and screening device including a primary coarse crusher, a first mining area classifier for screening the materials crushed by the primary coarse crusher, a secondary deep crusher for further crushing the materials with unqualified particle size in the first mining area classifier, and a second mining area classifier for screening the materials crushed by the secondary deep crusher. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic structural diagram of the in-situ pulverization fluidized transportation system for minerals provided by the present utility model.

[0023] REFERENCE SIGNS

[0024] 1 - Material acquisition system; 11 - Primary coarse crusher; 12 - First mining area classifier; 13 - Secondary deep crusher; 14 - Second mining area classifier; 15 - Conveyor; 16 - Mining area pulp - adjusting tank; 161 - Concentration detection device 1; 162 - Pulp - adjusting lift pump; 17 - Mining area distribution water tank; 171 - Fluidizing water distribution pump; 2 - Relay field area regulation system; 21 - Multi - stage relay buffer stirring tank; 211 - Remote slurry delivery pump; 22 - Multi - stage relay buffer water tank; 221 - Remote pulp - adjusting water delivery pump; 3 - Mineral processing field area treatment system; 31 - Thickener; 311 - Bottom - flow discharge pump; 312 - Concentration detection device 2; 32 - Primary ball mill; 33 - Pulp - adjusting water sedimentation tank; 331 - Pulp - adjusting water supply pump; 332 - Effluent turbidity detection device. Detailed implementation manners

[0025] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] Here, it should also be noted that, in order to avoid obscuring the present utility model due to unnecessary details, only the structures and / or processing steps closely related to the solution of the present utility model are shown in the drawings, while other details less relevant to the present utility model are omitted. Additionally, it should be noted that the term "comprising", "including" or any other variant thereof is intended to cover non - exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0027] As Figure 1 shown, a mineral in - situ pulverization fluidized transportation system provided by the present utility model includes: a material acquisition system 1, a relay field area regulation system 2 connected to the material acquisition system 1, and a mineral processing field area treatment system 3 connected to the relay field area regulation system 2;

[0028] The material acquisition system 1 includes a crushing and screening device, a conveyor 15 for transporting the materials that fail to meet the treatment standards in the crushing and screening device, and a mining area pulp - adjusting device for treating the materials transported by the conveyor 15. The mining area pulp - adjusting device includes a mining area pulp - adjusting tank 16 for accommodating the materials with qualified particle sizes, a first stirring device used in cooperation with the mining area pulp - adjusting tank 16, a pulp - adjusting lift pump 162 with one end connected to the mining area pulp - adjusting tank 16 and the other end connected to the multi - stage relay buffer stirring device, and a concentration detection device 161 arranged on the mining area pulp - adjusting tank 16.

[0029] The relay field area regulation system 2 includes a multi-stage relay buffer stirring device connected to the mining area pulp mixing device, a multi-stage relay buffer water tank 22 with an input end connected to the ore dressing field area treatment system 3, and a remote pulp mixing water delivery pump 221 for sending the water in the multi-stage relay buffer water tank 22 into the material acquisition system 1; the output end of the multi-stage relay buffer water tank 22 is connected to the material acquisition system 1. The multi-stage relay buffer stirring device includes a multi-stage relay buffer stirring tank 21 connected to the mining area pulp mixing tank 16, a second stirring device used in cooperation with the multi-stage relay buffer stirring tank 21, and a remote pulp delivery pump 211 with one end connected to the multi-stage relay buffer stirring tank 21 and the other end connected to the thickener 31.

[0030] The material acquisition system 1 further includes a mining area distribution water tank 17 with an input end connected to the multi-stage relay buffer water tank 22. The output end of the mining area distribution water tank 17 is connected to the first mining area classifier, the second mining area classifier 14, and the mining area pulp mixing device. The mining area distribution water tank 17 is connected to the multi-stage relay buffer water tank 22 (the remote pulp mixing water delivery pump 221 is arranged between the mining area distribution water tank 17 and the multi-stage relay buffer water tank 22). A fluidized water distribution pump 171 is arranged between the mining area distribution water tank 17 and the first mining area classifier, the second mining area classifier 14, and the mining area pulp mixing device. (A switching valve is arranged on the pipeline connecting the mining area distribution water tank 17 to the first mining area classifier, the second mining area classifier, and the mining area pulp mixing device.)

[0031] The ore dressing field area treatment system 3 includes a thickener 31 connected to the multi-stage relay buffer stirring device, a primary ball mill 32 connected to the discharge port of the thickener 31, and a pulp mixing water sedimentation tank 33 connected to the overflow liquid outlet of the thickener 31. A bottom discharge pump 311 is arranged between the thickener 31 and the primary ball mill 32; a second concentration detection device 312 is arranged between the bottom discharge pump 311 and the thickener 31. A liquid turbidity detection device 332 is arranged on the pulp mixing water sedimentation tank 33. A pulp mixing water supply pump 331 is arranged between the pulp mixing water sedimentation tank 33 and the multi-stage relay buffer water tank 22.

[0032] With such a setting, it replaces the complex downhole mechanical lifting equipment and long-distance vehicle transportation. This not only reduces energy consumption, requires fewer personnel, and has low operating costs, but also eliminates the need for stockpiling and storage of materials, achieving the real-time processing of ore from "mining to beneficiation". In addition, the relay yard adjustment system 2 can be divided into multiple downhole relay yard adjustment systems 2 and multiple surface relay yard adjustment systems 2 according to actual conditions. This system realizes unmanned ore transportation, facilitates the construction of a fully intelligent mine, and at the same time, the setting of the independent hydraulic fluid dynamic circulation system in the system is more energy-saving and environmentally friendly.

[0033] Specifically, in some embodiments of the present invention, the crushing and screening device includes a primary coarse crusher 11, a first mining area classifier 12 for screening the materials crushed by the primary coarse crusher 11, a secondary deep crusher 13 for further crushing the materials with unqualified particle size in the first mining area classifier 12, and a second mining area classifier 14 for screening the materials crushed by the secondary deep crusher 13.

[0034] With such a setting, it can realize the automatic crushing of ore to meet the standard throughout the process.

[0035] The following specifically describes the in-situ pulverization fluid conveying system for minerals provided by the present invention in conjunction with embodiments.

[0036] Embodiment

[0037] As Figure 1 shown, this embodiment provides an in-situ pulverization fluid conveying system for minerals, including: a material acquisition system 1, a relay yard adjustment system 2 connected to the material acquisition system 1, and a beneficiation yard processing system 3 connected to the relay yard adjustment system 2;

[0038] The material acquisition system 1 includes a crushing and screening device, a conveyor 15 for conveying the materials with unqualified processing in the crushing and screening device, and a mining area pulp adjustment device for processing the materials conveyed by the conveyor 15. The crushing and screening device includes a primary coarse crusher 11, a first mining area classifier 12 for screening the materials crushed by the primary coarse crusher 11, a secondary deep crusher 13 for further crushing the materials with unqualified particle size in the first mining area classifier 12, and a second mining area classifier 14 for screening the materials crushed by the secondary deep crusher 13. The mining area pulp adjustment device includes a mining area pulp adjustment tank 16 for accommodating the materials with qualified particle size, a first stirring device used in conjunction with the mining area pulp adjustment tank 16, a pulp adjustment lift pump 162 with one end connected to the mining area pulp adjustment tank 16 and the other end connected to the multi-stage relay buffer stirring device, and a concentration detection device 161 arranged on the mining area pulp adjustment tank 16.

[0039] The relay field area regulation system 2 includes a multi-stage relay buffer stirring device connected to the mining area pulp mixing device, a multi-stage relay buffer water tank 22 with its input end connected to the ore dressing field area treatment system 3, and a remote pulp mixing water delivery pump 221 for sending the water in the multi-stage relay buffer water tank 22 into the material acquisition system 1; the output end of the multi-stage relay buffer water tank 22 is connected to the material acquisition system 1. The multi-stage relay buffer stirring device includes a multi-stage relay buffer stirring tank 21 connected to the mining area pulp mixing tank 16, a second stirring device used in cooperation with the multi-stage relay buffer stirring tank 21, and a remote pulp delivery pump 211 with one end connected to the multi-stage relay buffer stirring tank and the other end connected to the thickener 31.

[0040] The material acquisition system 1 further includes a mining area distribution water tank 17 with its input end connected to the multi-stage relay buffer water tank 22. The output end of the mining area distribution water tank 17 is connected to the first mining area classifier, the second mining area classifier 14, and the mining area pulp mixing device. The mining area distribution water tank 17 is connected to the multi-stage relay buffer water tank 22 (the remote pulp mixing water delivery pump 221 is arranged between the mining area distribution water tank 17 and the multi-stage relay buffer water tank 22). A fluidized water distribution pump 171 is arranged between the mining area distribution water tank 17 and the first mining area classifier, the second mining area classifier 14, and the mining area pulp mixing device. (A switching valve is arranged on the pipeline connecting the mining area distribution water tank 17 to the first mining area classifier, the second mining area classifier, and the mining area pulp mixing device.)

[0041] The ore dressing field area treatment system 3 includes a thickener 31 connected to the multi-stage relay buffer stirring device, a primary ball mill 32 connected to the discharge port of the thickener 31, and a pulp mixing water sedimentation tank 33 connected to the overflow liquid outlet of the thickener 31. A bottom discharge pump 311 is arranged between the thickener 31 and the primary ball mill 32; a concentration detection device II 312 is arranged between the bottom discharge pump 311 and the thickener 31. A liquid turbidity detection device 332 is arranged on the pulp mixing water sedimentation tank 33. A pulp mixing water supply pump 331 is arranged between the pulp mixing water sedimentation tank 33 and the multi-stage relay buffer water tank 22.

[0042] The working process of a mineral in-situ pulverization fluidized transportation system provided by the present utility model will be described below:

[0043] As Figure 1As shown in the figure, the ore mined by the material acquisition system 1 directly enters the primary coarse crusher 11 in the mining area for ore crushing. The ore material after primary crushing enters the first mining area classifier 12. The fluidized water distribution pump 171 configured in the mining area distribution water tank 17 supplies sorting water to the first mining area classifier 12. The powder material with a particle size of less than 3-5 mm screened out by the first mining area classifier 12 directly enters the mining area pulp mixing tank 16. The large particle size material screened out by the first mining area classifier 12 enters the secondary deep crusher 13 for re-pulverization and crushing, and then enters the second mining area classifier 14 (meanwhile, the fluidized water distribution pump 171 configured in the mining area distribution water tank 17 supplies sorting water to the second mining area classifier 14). The powder material with a particle size of less than 3-5 mm screened out by the second mining area classifier 14 enters the mining area pulp mixing tank 16. The material with an unqualified particle size is sent back to the secondary deep crusher 13 through the conveyor 15 for re-crushing and screening until the particle size meets the standard; the concentration detection device 161 monitors the concentration of the mining area pulp mixing tank 16 in real time, and controls the fluidized water distribution pump 171 and the on-off valve according to the change of the concentration to control the supply of sorting water to the mining area pulp mixing tank 16 and adjust the concentration of the material in the mining area pulp mixing tank 16; start the pulp mixing lift pump 162 configured in the mining area pulp mixing tank 16 to pump the material to the multi-stage relay buffer stirring tank 21 of the relay field area regulation system 2; the remote pulp conveying pump 211 configured in the relay buffer stirring tank pumps the pulp fluidized material to the thickener 31 of the ore dressing field area treatment system 3; the bottom discharge pump 311 at the discharge port of the thickener 31 pumps the concentrated material to the primary ball mill 32 for particle size adjustment before ore dressing, where the concentration detection device 2 312 monitors the bottom flow concentration of the thickener 31 in real time to control the operating parameters of the thickener 31; the overflow liquid of the thickener 31 enters the pulp mixing water sedimentation tank 33 for multi-stage sedimentation and purification to obtain pulp mixing water, where the effluent turbidity detection device 332 monitors the water quality of the outlet of the pulp mixing water sedimentation tank 33 in real time to timely adjust the operating state of the pulp mixing water sedimentation tank 33; the pulp mixing water supply pump 331 then pumps the pulp mixing water into the multi-stage relay buffer water tank 22 of the relay field area regulation system 2; and then it is pumped to the mining area distribution water tank 17 of the material acquisition system 1 by the remote pulp mixing water conveying pump 221, thus realizing the recycling of the pulp mixing water.

[0044] In summary, the present utility model provides an in-situ pulverization fluidized transportation system for minerals. A crushing and screening device is provided in the material acquisition system, a conveyor for transporting the qualified materials processed by the crushing and screening device, and a mining area pulp adjustment device for processing the materials transported by the conveyor; in the relay field area adjustment system, a multi-stage relay buffer stirring device connected to the mining area pulp adjustment device, a multi-stage relay buffer water pool with its input end connected to the ore dressing field area treatment system, and a remote pulp adjustment water transfer pump for sending the water in the multi-stage relay buffer water pool into the material acquisition system (wherein the output end of the multi-stage relay buffer water pool is connected to the material acquisition system); in the ore dressing field area treatment system, a thickener connected to the multi-stage relay buffer stirring device, a primary ball mill connected to the discharge port of the thickener, and a pulp adjustment water sedimentation tank connected to the overflow liquid outlet of the thickener are provided; replacing the complex mechanical lifting equipment underground and the long-distance truck transportation. This not only reduces energy consumption, requires less personnel input, and has low operating costs, but also does not require the stacking and storage of materials, realizing the real-time processing of ores from mining to ore dressing. In addition, the relay field area adjustment system can be divided into multiple underground relay field area adjustment systems and multiple ground relay field area adjustment systems according to actual situations. This system realizes the unmanned transportation of ores, which is beneficial to the overall intelligent construction of the mine. At the same time, the setting of the independent hydraulic fluidized power circulation system in the system is more energy-saving and environmentally friendly. In addition, by setting the crushing and screening device to include a primary coarse crusher, a first mining area classifier for screening the materials crushed by the primary coarse crusher, a secondary deep crusher for further crushing the materials with unqualified particle size in the first mining area classifier, and a second mining area classifier for screening the materials crushed by the secondary deep crusher, the whole process realizes the automatic crushing treatment of ores meeting the standards.

[0045] The above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present utility model.

Claims

1. A mineral in-situ pulverization fluidized conveying system, characterized in that: include: A material acquisition system, a relay area regulation system connected to the material acquisition system, and a mineral processing area processing system connected to the relay area regulation system; The material acquisition system includes a crushing and screening device, a conveyor for conveying materials that do not meet the standards in the crushing and screening device, and a mining area slurry mixing device for processing the materials conveyed by the conveyor; The relay field regulation system includes a multi-stage relay buffer stirring device connected to the mining area slurry mixing device, a multi-stage relay buffer water tank connected at the input end to the ore dressing field processing system, and a remote slurry mixing water delivery pump for sending water in the multi-stage relay buffer water tank to the material acquisition system; the output end of the multi-stage relay buffer water tank is connected to the material acquisition system; The ore dressing area processing system includes a thickener connected to the multi-stage relay buffer stirring device, a primary ball mill connected to the discharge port of the thickener, and a slurry water sedimentation tank connected to the overflow liquid outlet of the thickener.

2. The mineral in-situ pulverization fluidized conveying system according to claim 1 is characterized by: The crushing and screening device includes a primary coarse crusher, a first mining area classifier for screening materials crushed by the primary coarse crusher, a secondary deep crusher for further crushing materials with particle size that does not meet the standard in the first mining area classifier, and a second mining area classifier for screening materials crushed by the secondary deep crusher.

3. The mineral in-situ pulverization fluidized conveying system according to claim 1 is characterized by: The mining area slurry mixing device includes a mining area slurry mixing tank for accommodating materials with particle size standards, a first stirring device used in conjunction with the mining area slurry mixing tank, a slurry mixing lifting pump connected to the mining area slurry mixing tank at one end and connected to the multi-stage relay buffer stirring device at the other end, and a concentration detection device arranged on the mining area slurry mixing tank.

4. The mineral in-situ pulverization fluidized conveying system according to claim 3 is characterized by: The multi-stage relay buffer stirring device includes a multi-stage relay buffer stirring tank connected to the mining area slurry mixing tank, a second stirring device used in conjunction with the multi-stage relay buffer stirring tank, and a remote slurry delivery pump connected to the multi-stage relay buffer stirring tank at one end and to the thickener at the other end.

5. The mineral in-situ pulverization fluidized conveying system according to claim 2 is characterized by: The material acquisition system also includes a mining area distribution water tank whose input end is connected to the multi-stage relay buffer water tank.

6. The mineral in-situ pulverization fluidized conveying system according to claim 5 is characterized by: The output end of the mining area distribution water pool is connected to the first mining area classifier, the second mining area classifier and the mining area slurry mixing device; the mining area distribution water pool is connected to the multi-stage relay buffer water pool.

7. The mineral in-situ pulverization fluidized conveying system according to claim 1 is characterized by: An underflow discharge pump is arranged between the thickener and the primary ball mill; and a second concentration detection device is arranged between the underflow discharge pump and the thickener.

8. The mineral in-situ pulverization fluidized conveying system according to claim 7 is characterized by: The slurry mixing water settling tank is provided with an outlet turbidity detection device.

9. The mineral in-situ pulverization fluidized conveying system according to claim 8, characterized in that: A slurry mixing water supply pump is arranged between the slurry mixing water sedimentation tank and the multi-stage relay buffer water tank.

10. The mineral in-situ pulverization fluidized conveying system according to claim 6, characterized in that: A fluidized water distribution pump is provided between the mining area distribution water pool and the first mining area classifier, the second mining area classifier and the mining area slurry mixing device.

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