Metal mine tailing treatment equipment and method

Abstract

The invention relates to the technical field of tailings, and provides metal mine tailing treatment equipment and method.The metal mine tailing treatment equipment comprises a jaw crusher, a shell is fixedly connected to the bottom of the jaw crusher, a guide plate is fixedly connected to one side of the interior of the shell, and a fixing plate is fixedly connected between the guide plate and the shell; a material collecting shell is fixedly connected to the interior of the shell, a motor is fixedly connected to one side of the exterior of the shell, a crushing mechanism is arranged in the shell and comprises a rotating rod, one end of the rotating rod is fixedly connected with the output end of the motor, a worm is fixedly connected to the exterior of the rotating rod, and a worm gear is arranged on one side of the worm. The worm gear is meshed with the worm, a cylinder is fixedly connected to the top of the worm gear, a positioning rod is arranged in the cylinder, and the outer surface of the positioning rod makes contact with the interior of the cylinder. According to the technical scheme, the problems that in the prior art, the occupied area is inconvenient to reduce, and the working efficiency is inconvenient to improve are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of tailings, and in particular to a metal mine tailings processing device and method. Background Art

[0002] The part of the product of the sorting operation in the ore dressing that has a low content of useful target components and cannot be used for production is called tailings. Tailings are treasures waiting to be tapped. Experts believe that the current task of my country's mining circular economy is to develop and utilize a large number of tailings that have been shelved for a long time. One of the products of the sorting operation in the ore dressing, the part with the lowest content of useful target components is called tailings. Under the current technical and economic conditions, it is not appropriate to further sort. However, with the development of production science and technology, useful target components may have economic value for further recycling. Tailings are not completely useless waste, and often contain components that can be used for other purposes and can be used comprehensively. Achieving zero waste discharge is a need for the full utilization of mineral resources and the protection of the ecological environment.

[0003] The patent specification with the announcement number CN207271464U discloses a tailings dry discharge equipment that can improve efficiency and reduce costs, which belongs to the technical field of mine tailings treatment equipment and is used to improve the tailings dry discharge efficiency and reduce production costs. Its technical scheme is: it consists of a thickening device, a cyclone group, a dewatering screen and a horizontal centrifugal dewatering machine, the cyclone overflow pipe of the cyclone group is connected to the feeding pipe of the horizontal centrifugal dewatering machine, the centrifugal filtrate discharge pipe of the horizontal centrifugal dewatering machine is connected to the feeding end of the thickening device, the centrifugal sand discharge pipe of the horizontal centrifugal dewatering machine is connected to the dry discharge tailings storage site, and the underscreen product discharge pipe of the dewatering screen is connected to the feeding pipe of the horizontal centrifugal dewatering machine. Compared with the dry discharge equipment using a filter press (or filter), the horizontal centrifugal dewatering machine can operate continuously, is easy to maintain, has high dehydration efficiency, reduces investment, and reduces operating costs. It is a safe, efficient and environmentally friendly tailings treatment equipment.

[0004] However, in the implementation of relevant technologies, it was found that the above technical solution has the following problems: the above device requires a large number of mechanical equipment, mechanical parts and pipeline structures during use. Therefore, in actual use, it will occupy a large amount of ground area and affect the working environment. At the same time, the process of use is complicated and lengthy, which is not conducive to improving work efficiency. Therefore, further improvement is needed. Summary of the invention

[0005] The present invention provides a metal mine tailings treatment device and method, which solves the problem in the related art that it is inconvenient to reduce the floor space and improve the work efficiency.

[0006] The technical solution of the present invention is as follows: A metal mine tailings processing equipment and method, including a jaw crusher, the bottom of the jaw crusher is fixedly connected to a shell, one side of the shell is fixedly connected to a guide plate, a fixing plate is fixedly connected between the guide plate and the shell, the shell is fixedly connected to an aggregate shell, one side of the shell is fixedly connected to a motor, a crushing mechanism is provided inside the shell, the crushing mechanism includes a rotating rod, one end of the rotating rod is fixedly connected to the output end of the motor, a worm is fixedly connected to the outside of the rotating rod, a worm wheel is provided on one side of the worm, the worm wheel and the worm are meshed, a cylinder is fixedly connected to the top of the worm wheel, a positioning rod is provided inside the cylinder, the outer surface of the positioning rod is in contact with the inside of the cylinder, a sphere is rollingly connected to the top of the positioning rod, a crushing piece is fixedly connected to the outside of the sphere, an eccentric plate is fixedly connected to the outside of the cylinder, and the crushing piece is in an eccentrically inclined state.

[0007] Preferably, a protective shell is fixedly connected to the inside of the shell, the rotating rod is connected to the shell via a bearing, and the worm and the worm wheel are both located inside the protective shell.

[0008] Preferably, the cylinder extends to the outside of the protective shell and is connected thereto via a bearing, the bottom of the positioning rod is fixedly connected to the top of the protective shell, and the outer side of the eccentric plate is in contact with the crushing member.

[0009] Preferably, an auxiliary mechanism is provided outside the crushing member, and the auxiliary mechanism includes a plurality of clamping plates, and the plurality of clamping plates are fixedly connected to the outside of the crushing member, and the plurality of clamping plates are distributed in a circular shape.

[0010] Preferably, the bottom opening of the aggregate shell is in an inverted cone shape, an annular plate is fixedly connected to the inside of the aggregate shell, a plurality of force-bearing plates are fixedly connected to the bottom of the annular plate, and the plurality of force-bearing plates are located outside the plurality of clamping plates.

[0011] Preferably, sliding plates are fixedly connected to both sides of the top of the protective shell, and the two sliding plates are arranged in a slope shape.

[0012] Preferably, a forming mechanism is provided inside the shell, and the forming mechanism includes a discharge shell, and the discharge shell is fixedly connected to the inside of the shell. A movable rod is fixedly connected to the bottom of the worm gear, and the movable rod extends to the outside of the protective shell and is connected to the protective shell through a bearing.

[0013] Preferably, a crushing plate is fixedly connected to the outside of the movable rod, and the crushing plate is located inside the discharge shell. A plurality of step plates are fixedly connected to the inside of the discharge shell, and the plurality of step plates are distributed in a circular shape.

[0014] Preferably, a circular plate is provided at the axial center position of the discharge shell, a plurality of dividing plates are fixedly connected to the outside of the circular plate, a frame is fixedly connected to the outside of the plurality of dividing plates, and the top of the frame is fixedly connected to the bottom of the discharge shell.

[0015] A method for treating metal mine tailings comprises the following steps: S1: First, the staff needs to install and fix the jaw crusher and the shell in a lower terrain, so that the jaw crusher is relatively horizontal and close to the higher terrain. Then the staff drives the vehicle carrying the ore to the higher terrain, and the staff needs to start the jaw crusher and the motor in advance. When the position is suitable, the staff will overturn the aggregate shell of the vehicle. At this time, the ore will be poured into the jaw crusher, and the jaw crusher will crush the larger ore. S2: After the motor is turned on, it will control the rotating rod to rotate. During the rotation process, the rotating rod will synchronously drive the worm and the worm wheel to rotate. During the rotation process, the worm wheel will synchronously drive the cylinder to rotate. During the rotation process, the cylinder will synchronously drive the eccentric plate to rotate. Then, during the rotation process, the eccentric plate will synchronously drive the crushing parts that are close to it to perform eccentric movement. During the eccentric movement, the crushing parts will synchronously crush the tailings inside the aggregate shell, thereby ensuring that the tailings volume is dually processed by the jaw crusher and the crushing parts, and two crushing operations are realized inside the shell; S3: The crushing parts will also drive the pallet to rotate synchronously during the rotation process. The pallet will crush and crush the ore concentrated between the pallet and the force plate again during the eccentric movement. The crushing plate will synchronously drive the staggered distribution of the gravel stuck on the top of the dividing plate and the step plate to achieve the crushing and breaking work, thereby ensuring that the gravel volume of the tailings is in a qualified state. After that, the gravel will be exported through the dividing plate and the inside of the frame and through the guide plate, thereby completing all the work.

[0016] The working principle and beneficial effects of the present invention are: In the present invention, the rotating rod will synchronously drive the worm and the worm wheel to rotate during the rotation process, the worm wheel will synchronously drive the cylinder to rotate during the rotation process, the cylinder will synchronously drive the eccentric plate to rotate during the rotation process, and then the eccentric plate will synchronously drive the closely attached crushing member to perform eccentric movement during the rotation process, and the crushing member will synchronously crush the tailings inside the aggregate shell during the eccentric movement, thereby ensuring that the tailings volume can be dually processed by the jaw crusher and the crushing member, and two crushing operations are realized inside the shell, which solves the problem of inconvenience in reducing the floor space and improving work efficiency.

[0017] In the present invention, the pallet will crush and crush the ore concentrated between the pallet and the force plate again during the eccentric movement, thereby ensuring the effectiveness of the ore processing and preventing direct slippage from causing incomplete volume processing of the ore. There is no need to transport it to external equipment for reprocessing, thereby ensuring the use effect of the device and the shortening of the work process.

[0018] In the present invention, since the worm wheel will synchronously drive the movable rod to rotate during the rotation process, the movable rod will synchronously drive the crushing plate to rotate during the rotation process. The crushing plate will synchronously drive the staggered distribution of the crushed stone stuck on the top of the dividing plate and the step plate to achieve the crushing and breaking work, thereby ensuring that the crushed stone volume of the tailings is in a qualified state. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic cross-sectional view of the overall structure of the present invention; Figure 3 It is a schematic cross-sectional view of some structures in the present invention; Figure 4 It is a schematic diagram of the separation of the crushing mechanism in the present invention; Figure 5 It is a schematic diagram of partial structural separation in the present invention; Figure 6 It is a bottom view schematic diagram of the forming mechanism of the present invention; Figure 7 It is a schematic diagram of the separation of the forming mechanism in the present invention; Figure 8 It is a cross-sectional schematic diagram of the forming mechanism in the present invention.

[0021] In the figure: 1. jaw crusher; 2. shell; 3. guide plate; 4. fixed plate; 5. aggregate shell; 6. motor; 7. crushing mechanism; 701. rotating rod; 702. worm; 703. worm wheel; 704. protective shell; 705. positioning rod; 706. sphere; 707. crushing piece; 708. cylinder; 709. eccentric plate; 8. auxiliary mechanism; 801. clamping plate; 802. annular plate; 803. force plate; 804. sliding plate; 9. forming mechanism; 901. discharge shell; 902. movable rod; 903. crushing plate; 904. step plate; 905. dividing plate; 906. circular plate; 907. frame. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0023] like Figure 1~Figure 4 As shown, this embodiment proposes a metal mine tailings processing equipment and method, including a jaw crusher 1, a shell 2 is fixedly connected to the bottom of the jaw crusher 1, a guide plate 3 is fixedly connected to one side of the shell 2, a fixed plate 4 is fixedly connected between the guide plate 3 and the shell 2, an aggregate shell 5 is fixedly connected to the inside of the shell 2, a motor 6 is fixedly connected to one side of the outside of the shell 2, a crushing mechanism 7 is arranged inside the shell 2, and the crushing mechanism 7 includes a rotating rod 701, one end of the rotating rod 701 is fixedly connected to the output end of the motor 6, and the rotating rod 70 A worm 702 is fixedly connected to the outside, a worm wheel 703 is provided on one side of the worm 702, the worm wheel 703 is meshed with the worm 702, a cylinder 708 is fixedly connected to the top of the worm wheel 703, a positioning rod 705 is provided inside the cylinder 708, the outer surface of the positioning rod 705 is in contact with the inside of the cylinder 708, a ball 706 is rollingly connected to the top of the positioning rod 705, a crushing piece 707 is fixedly connected to the outside of the ball 706, an eccentric plate 709 is fixedly connected to the outside of the cylinder 708, and the crushing piece 707 is in an eccentric tilted state.

[0024] In this embodiment, a protective shell 704 is fixedly connected to the inside of the shell 2, the rotating rod 701 is connected to the shell 2 through a bearing, and the worm 702 and the worm wheel 703 are both located inside the protective shell 704, which can facilitate protection of the worm 702 and the worm wheel 703.

[0025] In this embodiment, the cylinder 708 extends to the outside of the protective shell 704 and is connected thereto through a bearing. The bottom of the positioning rod 705 is fixedly connected to the top of the protective shell 704. The outer side of the eccentric plate 709 is in contact with the crushing member 707, which makes it easier for the eccentric plate 709 to drive the crushing member 707 to perform eccentric movement.

[0026] During use, when it is necessary to process the tailings, the staff first needs to fix the jaw crusher 1 and the shell 2 as a whole in a lower terrain, so that the installed jaw crusher 1 is in a relatively horizontal state with the higher terrain, and then the staff drives the vehicle carrying the ore to the higher terrain, and the staff needs to start the jaw crusher 1 and the motor 6 in advance. When the position is suitable, the staff will overturn the aggregate box of the vehicle. At this time, the ore will be poured into the interior of the jaw crusher 1, and the jaw crusher 1 will crush the larger ore and fall into the interior of the aggregate shell 5. At this time, the motor 6 will control the rotating rod 701 to rotate, and the rotating rod 701 will synchronously drive the worm 702 to rotate during the rotation process. 2 will synchronously drive the worm wheel 703 to rotate during the rotation process, and the worm wheel 703 will synchronously drive the cylinder 708 to rotate during the rotation process, and the cylinder 708 will synchronously drive the eccentric plate 709 to rotate during the rotation process. Since the fixed positioning rod 705 and the rolling ball 706 will limit the crushing member 707, the eccentric plate 709 will synchronously drive the crushing member 707 to perform eccentric movement during the rotation process. The crushing member 707 will synchronously crush the tailings inside the aggregate shell 5 during the eccentric movement, so that the tailings volume can be double-processed by the jaw crusher 1 and the crushing member 707, and two crushing operations can be realized inside the shell 2, thereby reducing the large amount of space occupied and the equipment diversity required for multiple crushing through the conveyor belt in actual processing. Example

[0027] like Figure 3~Figure 5 As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment further proposes that an auxiliary mechanism 8 is provided on the outside of the crushing member 707, and the auxiliary mechanism 8 includes a plurality of clamping plates 801, and the plurality of clamping plates 801 are fixedly connected to the outside of the crushing member 707, and the plurality of clamping plates 801 are distributed in a circular shape, which can facilitate the fixing work of the clamping plates 801.

[0028] In this embodiment, the bottom opening of the aggregate shell 5 is in an inverted cone shape, and an annular plate 802 is fixedly connected inside the aggregate shell 5. A plurality of force-bearing plates 803 are fixedly connected to the bottom of the annular plate 802. The plurality of force-bearing plates 803 are located outside the plurality of clamping plates 801, which can facilitate the connection of the force-bearing plates 803.

[0029] In this embodiment, sliding plates 804 are fixedly connected to both sides of the top of the protective shell 704, and the two sliding plates 804 are both arranged in a slope shape, which can facilitate the sliding plates 804 to guide the gravel.

[0030] When in use, the crushing piece 707 will synchronously drive the pallet 801 to rotate during the rotation process. The pallet 801 will crush and crush the ore concentrated between the pallet 801 and the force plate 803 again during the eccentric movement, thereby ensuring the effectiveness of the ore processing, preventing direct slippage from causing incomplete volume processing of the ore, and eliminating the need to transport it to external equipment for reprocessing, thereby ensuring the use effect of the device and the shortening of the work process, thereby improving work efficiency. Example

[0031] like Figure 6~Figure 8 As shown, based on the same concept as the above-mentioned embodiment 2, this embodiment further proposes that a forming mechanism 9 is provided inside the shell 2, and the forming mechanism 9 includes a discharge shell 901, and the discharge shell 901 is fixedly connected to the inside of the shell 2. A movable rod 902 is fixedly connected to the bottom of the worm gear 703, and the movable rod 902 extends to the outside of the protective shell 704 and is connected to the protective shell 704 through a bearing, which can facilitate the support and rotation of the movable rod 902.

[0032] In this embodiment, a crushing plate 903 is fixedly connected to the outside of the movable rod 902, and the crushing plate 903 is located inside the discharge shell 901. A plurality of step plates 904 are fixedly connected to the inside of the discharge shell 901. The plurality of step plates 904 are distributed in a circular shape, which can facilitate the connection work of the crushing plate 903.

[0033] In this embodiment, a circular plate 906 is provided at the axial position of the discharge shell 901, and multiple dividing plates 905 are fixedly connected to the outside of the circular plate 906. The multiple dividing plates 905 are fixedly connected to the outside of the frame 907. The top of the frame 907 is fixedly connected to the bottom of the discharge shell 901, which can facilitate the fixation of the frame 907.

[0034] A method for treating metal mine tailings comprises the following steps: S1: First, the staff needs to install and fix the jaw crusher 1 and the shell 2 as a whole in the lower terrain, so that the jaw crusher 1 after installation is in a relatively horizontal state with the higher terrain, and then the staff drives the vehicle carrying the ore to the higher terrain, and the staff needs to start the jaw crusher 1 and the motor 6 in advance. When the position is suitable, the staff will overturn the aggregate box of the vehicle, and the ore will be poured into the jaw crusher 1, and the jaw crusher 1 will crush the larger ore; S2: After the motor 6 is turned on, it controls the rotating rod 701 to rotate. During the rotation process, the rotating rod 701 will synchronously drive the worm 702 and the worm wheel 703 to rotate. During the rotation process, the worm wheel 703 will synchronously drive the cylinder 708 to rotate. During the rotation process, the cylinder 708 will synchronously drive the eccentric plate 709 to rotate. Then, during the rotation process, the eccentric plate 709 will synchronously drive the crushing member 707 that is in close contact to perform eccentric movement. During the eccentric movement, the crushing member 707 will synchronously crush the tailings inside the aggregate shell 5, thereby ensuring that the tailings volume is dually processed by the jaw crusher 1 and the crushing member 707, and two crushing operations are realized inside the shell 2; S3: The crushing member 707 will also synchronously drive the card plate 801 to rotate during the rotation process. The card plate 801 will crush the ore concentrated between the card plate 801 and the force plate 803 again during the eccentric movement. The crushing plate 903 will synchronously drive the staggered distribution between the crushed stones stuck on the top of the dividing plate 905 and the step plate 904 to achieve the crushing and breaking work, thereby ensuring that the crushed stone volume of the tailings is in a qualified state. After that, the crushed stone will pass through the dividing plate 905 and the inside of the frame 907 and be exported through the guide plate 3, thereby completing all the work. During use, when the crushed tailings fall into the discharge shell 901, the crushed ores with qualified volume will fall out through the gaps between the multiple dividing plates 905, and the crushed ores with unqualified volume will remain inside the multiple dividing plates 905. At this time, since the worm gear 703 will synchronously drive the movable rod 902 to rotate during the rotation, the movable rod 902 will synchronously drive the crushing plate 903 to rotate during the rotation. The crushing plate 903 will synchronously drive the staggered distribution between the crushed stone stuck on the top of the dividing plate 905 and the step plate 904 to achieve the crushing and breaking work, thereby ensuring that the crushed stone volume of the tailings is in a qualified state. After that, the crushed stone will pass through the dividing plate 905 and the inside of the frame 907 and be exported through the guide plate 3, thereby completing a complete set of crushing work, which not only reduces the floor space occupied by a large amount of equipment in the existing work, but also reduces the number of equipment used, thereby reducing the equipment cost of the enterprise and ensuring the overall profit of the enterprise.

[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A metal mine tailings processing device, comprising a jaw crusher (1), characterized in that: The bottom of the jaw crusher (1) is fixedly connected to a shell (2), one side of the shell (2) is fixedly connected to a guide plate (3), a fixing plate (4) is fixedly connected between the guide plate (3) and the shell (2), an aggregate shell (5) is fixedly connected to the inside of the shell (2), a motor (6) is fixedly connected to the outside of the shell (2), a crushing mechanism (7) is provided inside the shell (2), the crushing mechanism (7) comprises a rotating rod (701), one end of the rotating rod (701) is fixedly connected to the output end of the motor (6), a worm (702) is fixedly connected to the outside of the rotating rod (701), and the A worm wheel (703) is provided on one side of the worm (702), the worm wheel (703) and the worm (702) are meshed with each other, a cylinder (708) is fixedly connected to the top of the worm wheel (703), a positioning rod (705) is provided inside the cylinder (708), the outer surface of the positioning rod (705) is in contact with the inside of the cylinder (708), a sphere (706) is rollingly connected to the top of the positioning rod (705), a crushing piece (707) is fixedly connected to the outside of the sphere (706), an eccentric plate (709) is fixedly connected to the outside of the cylinder (708), and the crushing piece (707) is in an eccentrically inclined state.

2. A metal mine tailings treatment equipment according to claim 1, characterized in that: A protective shell (704) is fixedly connected to the inside of the housing (2); the rotating rod (701) is connected to the housing (2) via a bearing; and the worm (702) and the worm wheel (703) are both located inside the protective shell (704).

3. A metal mine tailings treatment equipment according to claim 2, characterized in that: The cylinder (708) extends to the outside of the protective shell (704) and is connected thereto via a bearing, the bottom of the positioning rod (705) is fixedly connected to the top of the protective shell (704), and the outer side of the eccentric plate (709) is in contact with the crushing member (707).

4. A metal mine tailings treatment equipment according to claim 3, characterized in that: An auxiliary mechanism (8) is provided outside the crushing member (707), and the auxiliary mechanism (8) comprises a plurality of clamping plates (801). The plurality of clamping plates (801) are all fixedly connected to the outside of the crushing member (707), and the plurality of clamping plates (801) are arranged in a circumferential distribution.

5. A metal mine tailings treatment equipment according to claim 4, characterized in that: The bottom opening of the aggregate shell (5) is in the shape of an inverted cone, an annular plate (802) is fixedly connected inside the aggregate shell (5), a plurality of force-bearing plates (803) are fixedly connected to the bottom of the annular plate (802), and the plurality of force-bearing plates (803) are located outside the plurality of clamping plates (801).

6. A metal mine tailings treatment equipment according to claim 5, characterized in that: Sliding plates (804) are fixedly connected to both sides of the top of the protective shell (704), and the two sliding plates (804) are both arranged in a slope shape.

7. The metal mine tailings treatment equipment according to claim 3, characterized in that: A forming mechanism (9) is provided inside the housing (2), the forming mechanism (9) comprising a discharge shell (901), the discharge shell (901) being fixedly connected to the inside of the housing (2), a movable rod (902) being fixedly connected to the bottom of the worm gear (703), the movable rod (902) extending to the outside of the protective shell (704) and being connected to the protective shell (704) via a bearing.

8. The metal mine tailings treatment equipment according to claim 7, characterized in that: The movable rod (902) is fixedly connected to a crushing plate (903) on the outside, and the crushing plate (903) is located inside the discharge shell (901). The discharge shell (901) is fixedly connected to a plurality of ridge plates (904) on the inside, and the plurality of ridge plates (904) are arranged in a circumferential distribution.

9. The metal mine tailings treatment equipment according to claim 8, characterized in that: A circular plate (906) is provided at the axial center of the discharge shell (901); a plurality of material dividing plates (905) are fixedly connected to the outside of the circular plate (906); a frame (907) is fixedly connected to the outside of the plurality of material dividing plates (905); and a top of the frame (907) is fixedly connected to the bottom of the discharge shell (901).

10. A method for treating metal mine tailings according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1: First, the staff needs to install and fix the jaw crusher (1) and the shell (2) as a whole in the lower terrain, so that the jaw crusher (1) after installation is in a relatively horizontal state with the higher terrain. Then, the staff drives the vehicle carrying the ore to the higher terrain, and the staff needs to start the jaw crusher (1) and the motor (6) in advance. When the position is suitable, the staff overturns the aggregate shell of the vehicle, and the ore is poured into the jaw crusher (1). The jaw crusher (1) will crush the larger ore. S2: After the motor (6) is turned on, it controls the rotating rod (701) to rotate. During the rotation process, the rotating rod (701) will synchronously drive the worm (702) and the worm wheel (703) to rotate. During the rotation process, the worm wheel (703) will synchronously drive the cylinder (708) to rotate. During the rotation process, the cylinder (708) will synchronously drive the eccentric plate (709) to rotate. Then, during the rotation process, the eccentric plate (709) will synchronously drive the crushing member (707) in close contact to perform eccentric movement. During the eccentric movement, the crushing member (707) will synchronously crush the tailings inside the aggregate shell (5), thereby ensuring that the tailings volume is double-processed by the jaw crusher (1) and the crushing member (707), and two crushing operations are realized inside the shell (2); S3: The crushing member (707) will also synchronously drive the card plate (801) to rotate during the rotation process. The card plate (801) will crush and crush the ore concentrated between the card plate (801) and the force plate (803) again during the eccentric movement. The crushing plate (903) will synchronously drive the staggered distribution between the crushed stones stuck on the top of the distribution plate (905) and the step plate (904) during the rotation process to achieve the crushing and breaking work, thereby ensuring that the crushed stone volume of the tailings is in a qualified state. After that, the crushed stone will pass through the distribution plate (905) and the inside of the frame (907) and be discharged through the guide plate (3), thereby completing all the work.

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