Wet ball mill for ball milling of raw materials for preparing aluminum fluoride

Abstract

The utility model discloses a wet ball mill for raw material ball milling for aluminum fluoride preparation, which comprises a ball milling cylinder, the front end of the ball milling cylinder is connected with a feed bin through uniformly distributed bolts I, the rear end of the ball milling cylinder is connected with a discharge bin through uniformly distributed bolts II, and the rear end of the discharge bin is provided with a discharge pipe. The rear end of the discharging pipe is connected with a material guiding pipe through evenly-distributed third bolts. The dust removing device further comprises a dust removing mechanism. The dust removal mechanism comprises an air outlet cylinder, a circular ring, a first dust removal net, a limiting cylinder and a second dust removal net, the air outlet cylinder is arranged at the upper end of the material guide pipe, the lower end of the air outlet cylinder communicates with the upper end of the material guide pipe, the circular ring is arranged on the bottom wall of the air outlet cylinder, and the first dust removal net is arranged in the circular ring. And aluminum fluoride dust generated in the ball milling process of the aluminum fluoride raw material is effectively adsorbed, and meanwhile, the dust removal net can be quickly mounted and dismounted.

Description

Technical Field

[0001] This utility model relates to the field of aluminum fluoride preparation technology, specifically a wet ball mill for grinding raw materials for aluminum fluoride preparation. Background Technology

[0002] Aluminum fluoride is an important inorganic compound, widely used as a flux in the aluminum electrolysis industry, and also applied in ceramics, glass and other fields. In the preparation of aluminum fluoride, the wet ball mill is an important piece of equipment. The wet ball mill is a key grinding equipment widely used in mining, metallurgy, building materials, chemical and other industries. Its core principle is to refine the material through the impact and grinding action of steel balls and materials in the cylinder.

[0003] In the prior art, patent CN214288557U discloses a wet ball mill, including a ball mill cylinder, grinding balls, and a ball mill drive unit. The power output end of the ball mill drive unit is connected to the ball mill cylinder. The grinding balls are placed inside the ball mill cylinder. The ball mill cylinder is provided with a feed inlet and a discharge outlet that communicate with the inner cavity of the ball mill cylinder. A feed pipe is connected to the feed inlet, and a discharge pipe is provided to the discharge outlet. A feed hopper is provided above the feed inlet, and a material conveying pipe is connected to the feed hopper. The material conveying pipe passes through the feed pipe and communicates with the inner cavity of the ball mill cylinder, and the material conveying pipe forms an inclination angle with the ball mill cylinder. A baffle is provided at the connection between the discharge pipe and the ball mill cylinder. The baffle is arranged radially along the ball mill cylinder, and a discharge channel is left between the baffle and the inner wall of the ball mill cylinder.

[0004] This type of wet ball mill has some problems. The rear end of the ball mill cylinder lacks a dust removal mechanism. During the grinding process of aluminum fluoride raw material, the gas carrying dust will move backward with the movement of aluminum fluoride raw material and then be discharged through the discharge pipe, causing the dust-laden gas to drift into the working environment and pollute the working environment. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the existing defects and provide a wet ball mill for ball milling raw materials for aluminum fluoride preparation. This mill effectively adsorbs aluminum fluoride dust generated during the ball milling process of aluminum fluoride raw materials, and at the same time, it can quickly install and disassemble the dust removal screen, which can effectively solve the problems in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a wet ball mill for grinding raw materials for aluminum fluoride preparation, comprising a ball mill cylinder, a feed hopper connected to the front end of the ball mill cylinder by uniformly distributed bolts, a discharge hopper connected to the rear end of the ball mill cylinder by uniformly distributed bolts, a discharge pipe provided at the rear end of the discharge hopper, a guide pipe connected to the rear end of the discharge pipe by uniformly distributed bolts, and a dust removal mechanism.

[0007] Dust removal mechanism: It includes an air outlet, a circular ring, a first dust removal screen, a limiting cylinder, and a second dust removal screen. The air outlet is located at the upper end of the feed pipe, and the lower end of the air outlet is connected to the upper end of the feed pipe. A circular ring is provided on the bottom wall of the air outlet, and the first dust removal screen is provided inside the circular ring. A limiting cylinder is provided at the upper end of the circular ring, and the lower end of the limiting cylinder is in contact with the upper end of the circular ring. The second dust removal screen is provided at the upper end of the limiting cylinder. It effectively adsorbs aluminum fluoride dust generated during the ball milling of aluminum fluoride raw materials, and can also quickly install and remove the dust removal screen.

[0008] Furthermore, the dust removal mechanism also includes an external thread and a drive disc. The external thread is provided on the outer surface of the limiting cylinder, and the inner wall of the air outlet cylinder is provided with an internal thread. The external thread and the internal thread are threadedly connected. The drive disc is fixedly connected to the upper end of the limiting cylinder to achieve a stable connection between the limiting cylinder and the air outlet cylinder, and at the same time achieve stable positioning of the ring.

[0009] Furthermore, the ring has through holes at both ends, and positioning posts are fixedly connected to both ends of the bottom wall of the air outlet. The positioning posts are inserted into the adjacent through holes to facilitate the positioning and placement of the ring.

[0010] Furthermore, support frames are provided on both the front and rear sides of the ball mill cylinder, and bearing seats are provided on the upper end of each support frame. The front end of the feed hopper is located at the feed pipe, and the outer surface of the feed pipe is rotatably connected to the interior of the front bearing seat through bearing one. The outer surface of the discharge pipe is rotatably connected to the interior of the rear bearing seat through bearing two. A feed hopper is fixedly connected to the upper end of the front support frame, and the rear end of the feed hopper is fitted with the front end of the feed pipe to provide rotational support for the rotation of the ball mill cylinder.

[0011] Furthermore, the inner wall of the ball mill cylinder is provided with uniformly distributed arc-shaped liners, and ribs are fixedly connected to the middle of the inner arc surface of each arc-shaped liner. Uniformly distributed isolation plates are fixedly connected inside the ball mill cylinder, and uniformly distributed round holes are provided inside each isolation plate. Uniformly distributed steel balls are provided inside the ball mill cylinder, and spiral blades are provided inside the discharge pipe, thereby realizing the ball milling of aluminum fluoride raw materials.

[0012] Furthermore, a controller is provided on the right side of the ball mill cylinder. The input terminal of the controller is electrically connected to an external power source to control the operation of the motor.

[0013] Furthermore, the front end of the outer surface of the ball mill cylinder is rotatably connected to the interior of the drive chamber. A driven gear is fixedly connected to the front end of the outer surface of the ball mill cylinder. A rotating shaft is rotatably connected to the right end of the interior of the drive chamber. A drive gear is fixedly connected to the middle of the rotating shaft. The driven gear and the drive gear are meshed together. A motor base is provided on the front side of the drive chamber. A motor is provided on the upper end of the motor base. The rear end of the motor output shaft is fixedly connected to the front end of the rotating shaft. The input end of the motor is electrically connected to the output end of the controller to realize the rotation of the ball mill cylinder.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: This wet ball mill for preparing aluminum fluoride raw materials has the following advantages:

[0015] The limiting cylinder is connected to the inside of the air outlet cylinder by a threaded connection, which simultaneously limits the installation of the ring and allows for quick installation and removal of the dust removal screen. The two layers of dust removal screen then adsorb the dust-laden gas, preventing aluminum fluoride raw material dust from drifting into the working environment and effectively reducing pollution to the working environment. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a cross-sectional view of the internal structure of this utility model;

[0018] Figure 3 This is a cross-sectional view of the front side of the present invention;

[0019] Figure 4 This is an enlarged structural diagram of point A in this utility model.

[0020] In the diagram: 1. Grinding cylinder, 2. Feed hopper, 3. Discharge hopper, 4. Guide pipe, 5. Dust removal mechanism, 51. Air outlet, 52. Ring, 53. Dust removal screen one, 54. Limiting cylinder, 55. External thread, 56. Dust removal screen two, 57. Drive disc, 6. Feed pipe, 7. Discharge pipe, 8. Support frame, 9. Bearing seat, 10. Feed hopper, 11. Drive chamber, 12. Driven gear, 13. Rotary shaft, 14. Drive gear, 15. Motor, 16. Spiral blade, 17. Arc-shaped liner, 18. Steel ball, 19. Isolation plate, 20. Controller, 21. Rib. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4This embodiment provides a technical solution: a wet ball mill for grinding raw materials for aluminum fluoride preparation, including a ball mill cylinder 1. The front end of the ball mill cylinder 1 is connected to a feed bin 2 via evenly distributed bolts. The rear end of the ball mill cylinder 1 is connected to a discharge bin 3 via evenly distributed bolts. A discharge pipe 7 is provided at the rear end of the discharge bin 3. A guide pipe 4 is connected to the rear end of the discharge pipe 7 via evenly distributed bolts. A controller 20 is provided on the right side of the ball mill cylinder 1. The input terminal of the controller 20 is electrically connected to an external power supply. The inner... The wall is provided with evenly distributed arc-shaped liner plates 17 to support the ball mill and protect the ball mill cylinder 1 body. Ribs 21 are fixedly connected to the middle of the inner arc surface of the arc-shaped liner plates 17. Evenly distributed isolation plates 19 are fixedly connected inside the ball mill cylinder 1. Evenly distributed round holes are provided inside the isolation plates 19. The diameter of the round holes inside the isolation plates 19 decreases from front to back. Evenly distributed steel balls 18 are provided inside the ball mill cylinder 1. Spiral blades 16 are provided inside the discharge pipe 7. The system also includes a dust removal mechanism 5.

[0023] Dust removal mechanism 5 includes an air outlet 51, a circular ring 52, a first dust removal screen 53, a limiting cylinder 54, and a second dust removal screen 56. The air outlet 51 is located at the upper end of the guide pipe 4, and its lower end is connected to the upper end of the guide pipe 4. The bottom wall of the air outlet 51 is provided with a circular ring 52, and both ends of the circular ring 52 are provided with through holes. Positioning pins are fixedly connected to both ends of the bottom wall of the air outlet 51, and the positioning pins are inserted into the adjacent through holes. The first dust removal screen 53 is provided inside the circular ring 52. The upper end of the circular ring 52 is provided with a limiting cylinder 54, which is located inside the air outlet 51. The lower end of the limiting cylinder 54 is in contact with the upper end of the circular ring 52, and the second dust removal screen 56 is provided at the upper end of the limiting cylinder 54. The dust removal mechanism 5 also includes an external thread 55 and a drive disc 57. The external thread 55 is provided on the outer surface of the limiting cylinder 54, and the inner wall of the air outlet 51 is... The device is equipped with an internal thread, an external thread 55, and an internal thread thread connection. The drive disk 57 is fixedly connected to the upper end of the limiting cylinder 54. The ring 52 is stably placed on the bottom wall of the air outlet cylinder 51. The two positioning pins on the bottom wall of the air outlet cylinder 51 are stably inserted into the adjacent through holes. Then, the limiting cylinder 54 is rotated by the drive disk 57, so that the external thread 55 is threadedly connected to the internal thread of the inner wall of the air outlet cylinder 51. The limiting cylinder 54 moves down inside the air outlet cylinder 51. When the lower surface of the limiting cylinder 54 is in contact with the upper surface of the ring 52, the drive disk 57 stops rotating. The aluminum fluoride dust generated during the ball milling process moves backward with the gas. The gas carrying aluminum fluoride dust passes through the dust removal net 1 53 and the dust removal net 2 56 in sequence. The dust removal net 1 53 and the dust removal net 2 56 effectively adsorb the aluminum fluoride dust in the gas, improve the dust removal effect of the ball mill, and do not affect the discharge of the slurry.

[0024] The ball mill cylinder 1 has support frames 8 on both its front and rear sides, and bearing seats 9 are installed at the upper ends of the support frames 8. The front end of the feed hopper 2 is connected to the feed pipe 6. The outer surface of the feed pipe 6 is rotatably connected to the interior of the front bearing seat 9 through bearing one. The outer surface of the discharge pipe 7 is rotatably connected to the interior of the rear bearing seat 9 through bearing two. The upper end of the front support frame 8 is fixedly connected to the feed hopper 10. The rear end of the feed hopper 10 is fitted with the front end of the feed pipe 6. The front end of the outer surface of the ball mill cylinder 1 and the interior of the drive chamber 11 are connected. A driven gear 12 is fixedly connected to the front end of the outer surface of the ball mill cylinder 1 via a rotatable connection. A rotating shaft 13 is rotatably connected to the right end inside the drive chamber 11. A drive gear 14 is fixedly connected to the middle of the rotating shaft 13. The driven gear 12 and the drive gear 14 are meshed together. A motor base is provided on the front side of the drive chamber 11. A motor 15 is provided on the upper end of the motor base. The rear end of the output shaft of the motor 15 is fixedly connected to the front end of the rotating shaft 13. The input end of the motor 15 is electrically connected to the output end of the controller 20. The controller 20 controls the operation of the motor 15. The output shaft of motor 15 rotates, driving shaft 13 to rotate. Shaft 13 rotates, driving gear 14 to rotate, which in turn drives driven gear 15 to rotate. This causes the ball mill cylinder 1 to rotate under the rotational support of bearing seat 9. When the ball mill cylinder 1 rotates, some steel balls 18 and aluminum fluoride raw material are lifted to a certain height and then detach from the wall of the ball mill cylinder 1, impacting the aluminum fluoride raw material in a free-fall manner. The other part of the steel balls 18 rolls along the wall of the ball mill cylinder 1 and falls down, refining the aluminum fluoride raw material through grinding and extrusion. Under the barrier effect of 9, when the aluminum fluoride raw material is ball-milled to the specified fineness, it enters the next ball milling area through the corresponding isolation plate 19 until it reaches the inside of the discharge hopper 3. After a certain ball milling time, water is injected into the inside of the ball mill cylinder 1 through the feed hopper 10. The water medium and the aluminum fluoride raw material form a slurry environment, which reduces the grinding heat and transports qualified particle size material to the inside of the discharge hopper 3 through the slurry flow. The rotation of the ball mill cylinder 1 drives the discharge pipe 7 to rotate, which in turn drives the spiral blade 16 to rotate, introducing the slurry into the inside of the guide pipe 4.

[0025] The working principle of the wet ball mill for preparing raw materials for aluminum fluoride provided by this utility model is as follows: During operation, the operator first places the ball mill cylinder 1, the feed hopper 2, and other mechanisms stably in the horizontal working area. After stable placement, the operator first places the ring 52 stably on the bottom wall of the exhaust cylinder 51. The two positioning posts on the bottom wall of the exhaust cylinder 51 are stably inserted into the adjacent through holes. Then, the limiting cylinder 54 is rotated by the drive disc 57, so that the external thread 55 is threadedly connected to the internal thread on the inner wall of the exhaust cylinder 51. The limiting cylinder 54 is located inside the exhaust cylinder 51. The lower surface of the limiting cylinder 54 moves downward, and when it comes into contact with the upper surface of the ring 52, the drive disc 57 stops rotating. Then, personnel feed aluminum fluoride raw material into the feed pipe 6 through the feed hopper 10. The aluminum fluoride raw material then enters the feed bin 2. The controller 20 drives the motor 15 to operate. The output shaft of the motor 15 rotates, driving the rotating shaft 13 to rotate. The rotating shaft 13 rotates, driving the drive gear 14 to rotate, which in turn drives the driven gear 15 to rotate. This causes the ball mill cylinder 1 to rotate under the rotational support of the bearing seat 9. When the ball mill cylinder 1 rotates, a portion of the steel balls 1... After being lifted to a certain height, the aluminum fluoride raw material detaches from the wall of the ball mill cylinder 1 and impacts the raw material in a free-fall manner. Meanwhile, another portion of the steel balls 18 roll and fall along the wall of the ball mill cylinder 1, refining the aluminum fluoride raw material through grinding and extrusion. Under the obstruction of the isolation plate 19, when the aluminum fluoride raw material is ball-milled to a specified fineness, it passes through the corresponding isolation plate 19 and enters the next ball milling area until it reaches the interior of the discharge hopper 3. After a certain period of ball milling, water is injected into the interior of the ball mill cylinder 1 through the feed hopper 10, and the water medium forms a mixture with the aluminum fluoride raw material. The slurry environment reduces grinding heat and allows qualified particle size materials to be transported to the discharge hopper 3 through slurry flow. The rotation of the ball mill cylinder 1 drives the discharge pipe 7 to rotate, which in turn drives the spiral blade 16 to rotate, introducing the slurry into the feed pipe 4. At the same time, the aluminum fluoride dust generated during the ball milling process moves backward with the gas. The gas carrying aluminum fluoride dust passes through dust removal screen 1 53 and dust removal screen 2 56 in sequence. Dust removal screen 1 53 and dust removal screen 2 56 effectively adsorb the aluminum fluoride dust in the gas, improving the dust removal effect of the ball mill, while not affecting the discharge of the slurry.

[0026] It is worth noting that the controller 20 disclosed in the above embodiments controls the operation of the motor 15 using methods commonly used in the prior art.

[0027] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A wet ball mill for grinding raw materials for aluminum fluoride preparation, comprising a ball mill cylinder (1), a feed bin (2) connected to the front end of the ball mill cylinder (1) by uniformly distributed bolts, a discharge bin (3) connected to the rear end of the ball mill cylinder (1) by uniformly distributed bolts, a discharge pipe (7) provided at the rear end of the discharge bin (3), and a guide pipe (4) connected to the rear end of the discharge pipe (7) by uniformly distributed bolts, characterized in that: It also includes a dust removal mechanism (5); Dust removal mechanism (5): It includes an air outlet (51), a ring (52), a dust removal net (53), a limiting cylinder (54), and a dust removal net (56). The air outlet (51) is located at the upper end of the guide pipe (4), and the lower end of the air outlet (51) is connected to the upper end of the guide pipe (4). The bottom wall of the air outlet (51) is provided with a ring (52), and the inside of the ring (52) is provided with a dust removal net (53). The upper end of the ring (52) is provided with a limiting cylinder (54), which is located inside the air outlet (51). The lower end of the limiting cylinder (54) is in contact with the upper end of the ring (52), and the upper end of the limiting cylinder (54) is provided with a dust removal net (56).

2. The wet ball mill for grinding raw materials for aluminum fluoride preparation according to claim 1, characterized in that: The dust removal mechanism (5) also includes an external thread (55) and a drive disk (57). The external thread (55) is provided on the outer surface of the limiting cylinder (54), and the inner wall of the air outlet cylinder (51) is provided with an internal thread. The external thread (55) and the internal thread are threadedly connected, and the drive disk (57) is fixedly connected to the upper end of the limiting cylinder (54).

3. The wet ball mill for grinding raw materials for aluminum fluoride preparation according to claim 1, characterized in that: Both ends of the ring (52) are provided with through holes, and both ends of the bottom wall of the air outlet (51) are fixedly connected with positioning posts, which are inserted into the adjacent through holes.

4. The wet ball mill for grinding raw materials for aluminum fluoride preparation according to claim 1, characterized in that: The ball mill cylinder (1) is provided with support frames (8) on both the front and rear sides. The upper end of the support frame (8) is provided with a bearing seat (9). The front end of the feed hopper (2) is provided with the feed pipe (6). The outer surface of the feed pipe (6) is rotatably connected to the interior of the bearing seat (9) on the front side through bearing one. The outer surface of the discharge pipe (7) is rotatably connected to the interior of the bearing seat (9) on the rear side through bearing two. The upper end of the support frame (8) on the front side is fixedly connected with the feed hopper (10). The rear end of the feed hopper (10) is fitted with the front end of the feed pipe (6).

5. A wet ball mill for grinding raw materials for aluminum fluoride preparation according to claim 1, characterized in that: The inner wall of the ball mill cylinder (1) is provided with uniformly distributed arc-shaped liner plates (17), and ribs (21) are fixedly connected to the middle of the inner arc surface of the arc-shaped liner plates (17). The ball mill cylinder (1) is fixedly connected with uniformly distributed isolation plates (19), and the isolation plates (19) are provided with uniformly distributed round holes. The ball mill cylinder (1) is provided with uniformly distributed steel balls (18), and the discharge pipe (7) is provided with spiral blades (16).

6. A wet ball mill for grinding raw materials for aluminum fluoride preparation according to claim 1, characterized in that: A controller (20) is provided on the right side of the ball mill cylinder (1), and the input end of the controller (20) is electrically connected to an external power source.

7. A wet ball mill for grinding raw materials for aluminum fluoride preparation according to claim 6, characterized in that: The front end of the outer surface of the ball mill cylinder (1) is rotatably connected to the interior of the drive chamber (11). A driven gear (12) is fixedly connected to the front end of the outer surface of the ball mill cylinder (1). A rotating shaft (13) is rotatably connected to the right end of the interior of the drive chamber (11). A drive gear (14) is fixedly connected to the middle of the rotating shaft (13). The driven gear (12) and the drive gear (14) are meshed. A motor base is provided on the front side of the drive chamber (11). A motor (15) is provided on the upper end of the motor base. The rear end of the output shaft of the motor (15) is fixedly connected to the front end of the rotating shaft (13). The input end of the motor (15) is electrically connected to the output end of the controller (20).

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