Lithium hydroxide monohydrate ball mill crushing system

Abstract

The utility model discloses a lithium hydroxide monohydrate ball mill crushing system, which belongs to the technical field of lithium battery material production, and comprises a frame, a ball mill cylinder and a control panel, wherein an upper end of one side of the ball mill cylinder is provided with a feed pipe, and a lower end of one side of the ball mill cylinder is provided with a discharge pipe, the ball mill cylinder is composed of an outer cylinder and an inner cylinder, a cooling layer is formed between the outer cylinder and the inner cylinder, water cooling pipes are laid at equal intervals in the cooling layer, and the water cooling pipes are embedded in the outer wall of the inner cylinder, one end of the ball mill cylinder is provided with an air inlet corresponding to the inner cylinder and the cooling layer, and the other end of the ball mill cylinder is provided with an air outlet, the air outlet is arranged in the discharge pipe, and the air outlet is arranged corresponding to the discharge end of the inner cylinder, and dust removal cotton is arranged at the air outlet; the utility model is convenient to operate and has strong practicality, and effectively solves the problem that the existing powder ball mill crusher has poor heat dissipation effect on the large amount of heat generated by ball milling during long-term use, which is easy to reduce the service life of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery material production, in particular to a lithium hydroxide monohydrate ball mill crushing system. Background Art

[0002] Currently, lithium hydroxide (lithium battery material) in the industry is mainly crushed by roller crushing technology and air flow mill crushing system. The air flow mill crushing process has many steps. The actual system for screening materials of target particle size is the air flow mill system. The air flow mill system has large equipment volume and high energy consumption. Special equipment such as air compressor is required to generate high-pressure gas. Its production stability is affected by factors such as the stability of the gas source during the crushing process, resulting in long grinding time, high noise and low efficiency. During long-term use, the temperature of the device will be too high, and the material will easily deteriorate due to the high temperature, which will reduce the production quality and the service life of the device.

[0003] Chinese patent CN220879086U discloses a powder ball mill crusher, including a device base and a ventilation hood 1, a driving motor is installed on the device base, and a small gear is installed at the front end of the driving motor through a reducer, and a large gear ring is meshed and connected to the oblique upper part of the small gear, a cylinder is installed above the base, and a feed port is connected to the right end of the cylinder, and a discharge port is installed in the middle of the feed port, a ventilation hood 1 is installed at the left end of the cylinder, and a bag dust removal box is connected below the ventilation hood 1, an exhaust fan is connected to the right side of the bag dust removal box through a pipeline, and a conveying pipe is installed on the exhaust fan, and a ventilation hood 2 is connected above the conveying pipe. Chinese patent CN214864088U discloses a powder ball mill crusher, including a ball mill, a first support column, a base and a control panel, a control panel is fixedly installed on one side of the top of the base by screws, a first support column is welded on one side of the top of the base, a ball mill is movably arranged between the first support columns through an axis, a second support column is welded on the other side of the top of the base, a motor is fixedly installed on the right side of the second support column by screws, and the output end of the motor is connected to one side of the ball mill through a coupling, a discharger is movably arranged on the right side of the ball mill, and a feeder is movably arranged on the left side of the ball mill. However, the existing powder ball mill crusher has poor heat dissipation effect on the large amount of heat generated by ball milling during long-term use, which is easy to reduce the service life of the device; therefore, it is necessary for this application to provide a lithium hydroxide monohydrate ball mill crushing system with good heat dissipation performance. Utility Model Content

[0004] The utility model aims to overcome the problem that the existing powder ball mill crusher has poor heat dissipation effect on the large amount of heat generated by the ball mill during long-term use, which easily reduces the service life of the device. The utility model provides a lithium hydroxide monohydrate ball mill crushing system with good heat dissipation performance.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a lithium hydroxide monohydrate ball mill crushing system, comprising a frame, a ball mill cylinder and a control panel, a feed pipe is provided at the upper end of one side of the ball mill cylinder, and a discharge pipe is provided at the lower end of one side of the ball mill cylinder, the ball mill cylinder is composed of an outer cylinder and an inner cylinder, a cooling layer is formed between the outer cylinder and the inner cylinder, water-cooling pipes are laid at equal intervals in the cooling layer, the water-cooling pipes are embedded in the outer wall of the inner cylinder, an air inlet is provided at one end of the ball mill cylinder corresponding to the inner cylinder and the cooling layer, an air outlet is provided at the other end of the ball mill cylinder, the air outlet is provided in the discharge pipe, and the air outlet is provided corresponding to the discharge end of the inner cylinder, and dust removal cotton is provided at the air outlet.

[0006] Furthermore, a sound insulation cotton layer is provided on the inner wall of the outer tube, and the water cooling pipe protrudes from the outer wall of the inner tube, so that the water cooling pipe is arranged in a wave shape on the outer wall of the inner tube.

[0007] Furthermore, the discharge pipe is in a "7" shape and is connected to the outer tube, wherein the air outlet is provided with a bending part of the discharge pipe, and the dust removal cotton is arranged in an arc shape in the discharge pipe.

[0008] Furthermore, a driving motor for grinding the material in the inner cylinder is provided on the frame, and the output end of the driving motor is connected to a main shaft via a belt, the main shaft is arranged in the inner cylinder, and paddles are provided on the main shaft.

[0009] Furthermore, the inner cylinder is divided into a feeding area and a crushing area. The main shaft is provided with a screw blade corresponding to the feeding area for materials to enter the crushing area, and the main shaft is provided with a crushing blade corresponding to the crushing area for materials to grind and crush.

[0010] Furthermore, a discharging screen for separating the ground material from the grinding medium is provided at the discharging end of the inner cylinder.

[0011] Furthermore, the sound insulation cotton layer is 3-5 cm away from the opposite side of the water cooling pipe, so as to form a heat dissipation duct.

[0012] The utility model provides a lithium hydroxide monohydrate ball mill crushing system, which has the following beneficial effects:

[0013] The utility model combines the heat dissipation duct with the water cooling pipe under the reasonable setting of the air inlet to quickly cool and discharge the heat generated by the crushing system during operation, so as to reduce the retention of heat in the ball mill cylinder, thereby improving the heat dissipation effect of the ball mill cylinder, so as to ensure that the material will not be deteriorated due to high temperature; the utility model is easy to operate and has strong practicality, and effectively solves the problem that the existing powder ball mill crusher has poor heat dissipation effect on the large amount of heat generated by the ball mill during long-term use, which is easy to reduce the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1It is a structural schematic diagram of the lithium hydroxide monohydrate ball mill crushing system of the utility model.

[0015] Figure 2 This is a schematic diagram of the internal structure of the lithium hydroxide monohydrate ball mill crushing system of the utility model.

[0016] Figure 3 It is a schematic cross-sectional diagram of the ball mill cylinder of the lithium hydroxide monohydrate ball mill crushing system of the utility model.

[0017] Figure 4 This is a schematic diagram of the water cooling pipeline of the lithium hydroxide monohydrate ball mill crushing system of the utility model.

[0018] In the figure, 1. frame; 2. water cooling pipe; 3. feed pipe; 4. discharge pipe; 5. ball mill cylinder; 51. outer cylinder; 52. inner cylinder; 6. cooling layer; 7. air inlet; 8. dust removal cotton; 9. sound insulation cotton layer; 10. feed area; 11. crushing area; 12. discharge screen. DETAILED DESCRIPTION

[0019] The technical solution of the utility model is described clearly and completely below in conjunction with the specific embodiments of the utility model. The described embodiments are only a part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0020] Example 1

[0021] like Figure 1-4 As shown, the utility model provides a lithium hydroxide monohydrate ball mill crushing system, including a frame 1, a ball mill cylinder 5 and a control panel, wherein the ball mill cylinder 5 and the control panel are arranged on the frame 1, and the present application sets the operating parameters between the components of the ball mill crushing system through the control panel to meet the grinding and crushing requirements of lithium hydroxide monohydrate, and the upper end of one side of the ball mill cylinder 5 is provided with a feed pipe 3, and the lower end of one side of the ball mill cylinder 5 is provided with a discharge pipe 4, and the ball mill cylinder 5 is composed of an outer cylinder 51 made of stainless steel and an inner cylinder 52 made of ceramic, and a gap is formed between the outer cylinder 51 and the inner cylinder 52. A cooling layer 6 is formed, and water-cooling pipes 2 are laid at equal intervals in the cooling layer 6. The water-cooling pipes 2 are embedded in the outer wall of the inner tube 52. The water-cooling pipes 2 are externally connected to a water cooler. The flow rate of the water generated by the water cooler and the cooling water is set through the control panel to cool down the heat generated by grinding, thereby preventing the material from deteriorating due to the temperature increase caused by grinding. A discharge screen 12 for separating the ground material and the grinding medium is provided at the discharge end of the inner tube 52. Even if the grinding medium remains in the inner tube 52, the powder (lithium battery material) is discharged from the discharge pipe 4. The gap of the discharge screen in this application is smaller than the diameter of the grinding medium.

[0022] One end of the ball mill cylinder 5 is provided with an air inlet 7 corresponding to the inner cylinder 52 and the cooling layer 6, and the other end of the ball mill cylinder 5 is provided with an air outlet, which is arranged in the discharge pipe 4, and the air outlet is arranged corresponding to the discharge end of the inner cylinder 52 to form a direct current channel, and a dust removal cotton 8 is provided at the air outlet to process the dust material in the wind flow to avoid dust flying and improve the comfort of the operating environment. The discharge pipe 4 is in a "7" shape, which is connected to the outer cylinder 51, wherein the air outlet is provided with a bending part of the discharge pipe 4, and the dust removal cotton 8 is arranged in an arc shape in the discharge pipe 4, so that the heat generated in the ball mill cylinder 5 can be quickly discharged from the ball mill cylinder 5 under the action of the wind flow, thereby improving the heat dissipation effect of the ball mill cylinder 5 to ensure that the material will not deteriorate due to high temperature.

[0023] The frame 1 is provided with a driving motor for grinding the material in the inner cylinder 52, and the output end of the driving motor is connected to the main shaft through a belt. The main shaft is arranged in the inner cylinder 52, and the main shaft is provided with paddles. The inner cylinder 52 is divided into a feeding area 10 and a crushing area 11. The main shaft is provided with a screw paddle corresponding to the feeding area 10 for the material to enter the crushing area 11, and the main shaft is provided with a crushing paddle corresponding to the crushing area 11 for grinding and crushing the material. The paddle zoning arrangement can improve the grinding and crushing quality of lithium hydroxide monohydrate by the ball mill crushing system of the present application. The material of the present application enters the feeding area 10 from the feeding pipe 3. As the main shaft rotates, the material is transported to the crushing area 11, and the crushing area 11 is filled with a large amount of grinding media. It moves axially under the action of the stirring paddle. The grinding media constantly collides and rubs during the movement, thereby crushing the material. The qualified material can pass through the gap of the discharge screen and be discharged from the ball mill cylinder 5.

[0024] Example 2

[0025] On the basis of the above embodiments, this embodiment improves the cooling and heat dissipation effect while reducing noise, such as Figure 2-3 As shown, the inner wall of the outer cylinder 51 is provided with a sound insulation cotton layer 9, which effectively absorbs the noise generated during the grinding and crushing process, thereby improving the comfort of the operating environment. The water cooling pipe 2 protrudes from the outer wall of the inner cylinder 52, so that the water cooling pipe 2 is arranged in a wave shape on the outer wall of the inner cylinder 52, so as to increase the residence time of the water cooling formed by the water cooling pipe 2 in the cooling layer 6, thereby increasing the cooling effect. Combined with the action of the air flow at the air inlet 7, the temperature loss of the cooling layer 6 is accelerated, making it in a relatively low temperature state, so as to improve the heat dissipation effect of the ball mill cylinder 5 of the present application.

[0026] Example 3

[0027] On the basis of the above embodiment, this embodiment is to further improve the heat dissipation effect of the ball mill cylinder 5 and ensure that the material will not deteriorate due to high temperature. Figure 2As shown, the sound insulation cotton layer 9 is 3-5 cm away from the opposite surface of the water cooling pipe 2, so that a heat dissipation duct is formed. The arrangement of the water cooling pipe 2 and the sound insulation cotton layer 9 of the present application can quickly take away the heat generated by the grinding and crushing of the ball mill cylinder 5 under the action of the wind flow, and at the same time effectively absorb the noise generated by the grinding and crushing of the ball mill cylinder 5. The arrangement of the ball mill cylinder 5 of the present application has greatly reduced the production environment noise compared to the air flow mill crushing system, and the heat dissipation effect of the ball mill cylinder 5 has been effectively improved.

[0028] Before the operation of the present application, the operating parameters of the various components of the ball mill crushing system are set through the control panel to meet the grinding and crushing requirements of lithium hydroxide monohydrate, the ball mill crushing system is started, and lithium hydroxide monohydrate is transported from the feed pipe 3 to the ball mill cylinder 5. The material enters the feed area 10 from the feed pipe 3. As the main shaft rotates, the material is transported to the crushing area 11. The crushing area 11 is filled with a large amount of grinding media, and moves axially under the action of the stirring paddle. The grinding media constantly collides and rubs during the movement, thereby crushing the material. The qualified material can be discharged from the ball mill cylinder 5 through the gap of the discharge screen. The present application uses the heat dissipation duct combined with the water cooling pipe 2 under the reasonable setting of the air inlet 7 to quickly cool and discharge the heat generated by the crushing system during operation, so as to reduce the heat retention in the ball mill cylinder 5, thereby improving the heat dissipation effect of the ball mill cylinder 5; thereby effectively solving the problem that the existing powder ball mill crusher has poor heat dissipation effect on the large amount of heat generated by the ball mill during long-term use, which is easy to reduce the service life of the device.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0030] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A lithium hydroxide monohydrate ball mill crushing system, comprising a frame (1), a ball mill cylinder (5) and a control panel, wherein the upper end of one side of the ball mill cylinder (5) is provided with a feed pipe (3), and the lower end of one side of the ball mill cylinder (5) is provided with a discharge pipe (4), characterized in that: The ball mill cylinder (5) is composed of an outer cylinder (51) and an inner cylinder (52), a cooling layer (6) is formed between the outer cylinder (51) and the inner cylinder (52), water cooling pipes (2) are laid at equal intervals in the cooling layer (6), and the water cooling pipes (2) are embedded in the outer wall of the inner cylinder (52), an air inlet (7) is provided at one end of the ball mill cylinder (5) corresponding to the inner cylinder (52) and the cooling layer (6), and an air outlet is provided at the other end of the ball mill cylinder (5), the air outlet is provided in the discharge pipe (4), and the air outlet is provided corresponding to the discharge end of the inner cylinder (52), and a dust removal cotton (8) is provided at the air outlet.

2. The lithium hydroxide monohydrate ball mill crushing system according to claim 1, characterized in that: The inner wall of the outer cylinder (51) is provided with a sound insulation cotton layer (9), and the water cooling pipe (2) protrudes from the outer wall of the inner cylinder (52), so that the water cooling pipe (2) is arranged in a wave shape on the outer wall of the inner cylinder (52).

3. The lithium hydroxide monohydrate ball mill crushing system according to claim 1, characterized in that: The discharge pipe (4) is in a "7" shape and is connected to the outer cylinder (51), wherein the air outlet is provided with a bend of the discharge pipe (4), and the dust removal cotton (8) is arranged in an arc shape inside the discharge pipe (4).

4. The lithium hydroxide monohydrate ball mill crushing system according to claim 1, characterized in that: The frame (1) is provided with a driving motor for grinding the material in the inner cylinder (52), and the output end of the driving motor is connected to a main shaft via a belt, the main shaft is arranged in the inner cylinder (52), and the main shaft is provided with a paddle.

5. The lithium hydroxide monohydrate ball mill crushing system according to claim 4, characterized in that: The inner cylinder (52) is divided into a feeding area (10) and a crushing area (11); the main shaft corresponding to the feeding area (10) is provided with a screw blade for materials to enter the crushing area (11); the main shaft corresponding to the crushing area (11) is provided with a crushing blade for grinding and crushing the materials.

6. The lithium hydroxide monohydrate ball mill crushing system according to claim 1, characterized in that: A discharge screen (12) for separating ground material from grinding media is provided at the discharge end of the inner cylinder (52).

7. The lithium hydroxide monohydrate ball mill crushing system according to claim 2, characterized in that: The sound insulation cotton layer (9) is 3-5 cm away from the opposite side of the water cooling pipe (2) so as to form a heat dissipation duct.

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