Crushing equipment for preparing micro-powder lithium hydroxide

Abstract

The crushing equipment comprises a collecting box and a crushing box, the crushing box is arranged at the top of the collecting box, a first collecting bag is arranged in the middle of the top of the collecting box through a bolt, and a second collecting bag is arranged in the collecting box on the outer side of the first collecting bag through a bolt. Rotating shafts are arranged at the positions, on the two sides of the second collecting bag, in the collecting box, flapping pieces are evenly arranged in the middles of the rotating shafts, a first motor is arranged in the middle of the bottom of the collecting box, the output end of the first motor extends into the collecting box to be provided with a rotating disc, and cleaning brushes are arranged on the two sides of the rotating disc. The first collecting bag and the second collecting bag are rotated and flapped for classified screening, the size of collected lithium hydroxide particles can be more uniform, after screening is completed, lithium hydroxide powder attached to the inner wall can be swept down, and waste of lithium hydroxide can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium hydroxide, in particular to a pulverizing device for preparing micro-powder lithium hydroxide. Background Art

[0002] With the increasing demand for environmental protection and sustainable energy, lithium hydroxide has gradually been used in the fields of energy storage and environmental protection. Lithium hydroxide is an inorganic compound belonging to the alkali metal hydroxide family. Because of its strong alkalinity, it is widely used in medicine, chemical industry, environmental protection, battery materials and other fields. In the production process of lithium hydroxide, it is usually prepared by air flow grinding.

[0003] In the prior art, general lithium hydroxide crushing equipment does not screen and grade the powder after crushing, which may cause the collected particles to be of different sizes, thereby affecting the collection quality. During collection, a certain amount of powder will adhere to the inner wall. If it is not collected, it will cause certain waste. Utility Model Content

[0004] The purpose of the utility model is to provide a pulverizing device for preparing micro powder lithium hydroxide, so as to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pulverizing device for preparing micro-powder lithium hydroxide, comprising a collecting box and a pulverizing box, a pulverizing box is provided on the top of the collecting box, and the bottom ends of the collecting box and the pulverizing box are both funnel-shaped, and the bottom end of the pulverizing box extends into the collecting box, a collecting bag 1 is provided in the middle position of the top of the collecting box through bolts, and a collecting bag 2 is provided in the collecting box outside the collecting bag 1 through bolts, and the mesh on the collecting bag 2 is smaller than the collecting bag 1, a rotating shaft is provided in the collecting boxes on both sides of the collecting bag 2, and a flapping sheet is evenly provided in the middle position of the rotating shaft, and the flapping sheet and the outer side of the rotating shaft are evenly coated with a ceramic coating, a motor 1 is provided in the middle position of the bottom of the collecting box, and The output end of the motor one extends to a collecting box where a rotating disk is provided, and cleaning brushes are provided on both sides of the rotating disk. The brush inside the cleaning brush fits against the inner wall of the collecting box, and the cleaning brush, rotating disk and the output shaft of the motor one are all coated with a ceramic coating, so that the lithium hydroxide enters the collecting bag one after being crushed, and the rotating shaft can drive the flapping piece to rotate to flap the collecting bag two and the collecting bag one, so that the lithium hydroxide in the collecting bag one and the collecting bag two can be graded and screened under the action of flapping, so that the size of the collected lithium hydroxide particles can be made more uniform. When the screening is completed, the motor one can drive the rotating disk on its axis to rotate, and the rotating disk drives the cleaning brush to rotate to clean the inner wall of the bottom end of the collecting box, so that the lithium hydroxide powder attached to the inner wall can be swept off conveniently, thereby reducing the waste of lithium hydroxide.

[0006] Preferably, the top and bottom ends of the inner side walls of the crushing box are both provided with air jets, and air nozzles are evenly provided on the opposite sides of the air jets. The crushing box between the air jets is provided with mutually parallel crushing rods, and the crushing rods are evenly provided with crushing teeth, and the crushing teeth and crushing rods are both made of ceramic material. After the lithium hydroxide enters the crushing box, the air flow can blow it to the crushing teeth of the crushing rod for collision, so that it can be crushed more thoroughly.

[0007] Preferably, a nylon screen is provided on the inner side of the bottom of the crushing box, and an air inlet pipe is provided on one side of the crushing box, and a branch pipe is provided at one end of the air inlet pipe connected to the air jet pipe, so that the nylon screen filters the lithium hydroxide and prevents larger particles from entering the collection bag.

[0008] Preferably, a feeding pipe is provided in the middle position of the top of the crushing box, and connecting blocks are provided on both side walls of the feeding pipe close to the crushing box. The connecting blocks are movably connected with inclined plates through rotating shafts, and the inner sides of the inclined plates and the inner walls of the feeding pipe are connected through springs, so that the inclined plates can block the feeding pipe through the action of the springs and the rotating shafts in the connecting blocks, thereby preventing lithium hydroxide from floating upward during airflow crushing and affecting the crushing effect.

[0009] Preferably, an outer cover is provided at a position corresponding to the rotating shaft on the back of the collection box, and a second motor is provided at a position corresponding to the rotating shaft on the side of the outer cover away from the collection box, and a pulley 1 is provided inside the outer cover with an output end of the second motor extending to the inside.

[0010] Preferably, a connecting shaft is provided at a position corresponding to the rotating shaft on the other side of the outer cover, and the connecting shaft in the outer cover and the output shaft of motor 2 both extend into the collection box and are connected to the rotating shaft, and a pulley 2 is provided on the connecting shaft in the outer cover, and the pulley 2 is connected to pulley 1 through a belt.

[0011] Preferably, both sides of the bottom of the collecting box are provided with discharge pipes, and the inner sides of the collecting box and the crushing box are coated with ceramic coatings. Support legs are provided on all four sides of the bottom of the collecting box, and a sealed door is fixedly connected to the front of the collecting box by a hinge, so that the ceramic coating can reduce the contact between lithium hydroxide and metal materials during crushing and collection, thereby improving its crushing quality and reducing the adhesion of lithium hydroxide.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the pulverizing equipment for preparing micro-powder lithium hydroxide drives pulley 1 on its shaft to rotate through motor 2, so that pulley 1 drives pulley 2 to rotate through a belt, so that pulley 2 drives the connecting shaft to rotate, and the connecting shaft and the output shaft of motor 2 drive the rotating shaft in the collecting box to rotate, and the rotating shaft drives the beating plate to rotate and beat the collecting bag 2 and the collecting bag 1, so that the lithium hydroxide in the collecting bag 1 and the collecting bag 2 can be graded and screened under the action of beating, and the size of the collected lithium hydroxide particles can be made more uniform. When the screening is completed, motor 1 can be started to drive the rotating disk on its shaft to rotate, and the rotating disk drives the cleaning brush to rotate and clean the inner wall of the bottom end of the collecting box, so that the lithium hydroxide powder attached to the inner wall can be swept off conveniently, thereby reducing the waste of lithium hydroxide. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the main cross-sectional structure of the crushing box of the present utility model;

[0015] Figure 3 This is a schematic diagram of the main cross-sectional structure of the collection box of the present utility model;

[0016] Figure 4 This is a schematic diagram of an enlarged cross-sectional view of the collection box of the present invention;

[0017] Figure 5 For the utility model Figure 2 A in the middle is an enlarged structural diagram;

[0018] In the figure: 1. Collection box; 2. Crushing box; 3. Feeding pipe; 4. Inlet pipe; 5. Motor 1; 6. Discharge pipe; 7. Jet pipe; 8. Crushing rod; 9. Crushing teeth; 10. Nylon screen; 11. Collection bag 1; 12. Collection bag 2; 13. Beating piece; 14. Rotating shaft; 15. Cleaning brush; 16. Rotating disk; 17. Outer cover; 18. Motor 2; 19. Pulley 1; 20. Pulley 2; 21. Connecting block; 22. Inclined plate; 23. Spring. DETAILED DESCRIPTION

[0019] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-5The utility model provides an embodiment: a pulverizing device for preparing micro-powdered lithium hydroxide, comprising a collecting box 1 and a pulverizing box 2, the top of the collecting box 1 is provided with the pulverizing box 2, and the bottom ends of the collecting box 1 and the pulverizing box 2 are both funnel-shaped, and the bottom end of the pulverizing box 2 extends into the collecting box 1, the top and bottom ends of the inner side walls of the pulverizing box 2 are both provided with air jets 7, and air jet nozzles are evenly provided on the opposite sides of the air jets 7, and the pulverizing box 2 between the air jets 7 is provided with mutually parallel crushing rods 8, and the crushing rods 8 are evenly provided with crushing teeth 9, and the crushing teeth 9 and the crushing rods 8 are both made of ceramic material, a nylon screen 10 is provided on the inner side of the bottom of the pulverizing box 2, and an air inlet pipe 4 is provided on one side of the pulverizing box 2, and one end of the air inlet pipe 4 is provided with a branch pipe connected to the air jet pipe 7, A collecting bag 11 is provided in the middle position of the top of the collecting box 1 through bolts, and a collecting bag 2 12 is provided in the collecting box 1 outside the collecting bag 11 through bolts, and the mesh of the collecting bag 2 12 is smaller than the collecting bag 11, and a rotating shaft 14 is provided in the collecting box 1 on both sides of the collecting bag 2 12, and a flapping piece 13 is evenly provided in the middle position of the rotating shaft 14, and the flapping piece 13 and the outer side of the rotating shaft 14 are evenly coated with a ceramic coating, a motor 5 is provided in the middle position of the bottom of the collecting box 1, and the output end of the motor 5 extends to the collecting box 1 and a rotating disk 16 is provided, and cleaning brushes 15 are provided on both sides of the rotating disk 16, the brush inside the cleaning brush 15 is in contact with the inner wall of the collecting box 1, and the cleaning brush 15, the rotating disk 16 and the output of the motor 5 are evenly coated with a ceramic coating ... The shafts are all coated with ceramic coatings. An outer cover 17 is provided on the back of the collecting box 1 at a position corresponding to the rotating shaft 14, and a motor 2 18 is provided on the side of the outer cover 17 away from the collecting box 1 at a position corresponding to the rotating shaft 14, and a pulley 19 is provided inside the motor 2 18 at an output end extending to the outer cover 17. A connecting shaft is provided on the other side of the outer cover 17 at a position corresponding to the rotating shaft 14, and the connecting shaft in the outer cover 17 and the output shaft of the motor 2 18 are both extended into the collecting box 1 and connected to the rotating shaft 14. A pulley 2 20 is provided on the connecting shaft in the outer cover 17, and the pulley 20 is connected to the pulley 19 through a belt, so that lithium hydroxide is put into the crushing box 2 through the feeding pipe 3, and then nitrogen can be sent into the injection pipe 7 through the air inlet pipe 4, so that the injection pipes at the top and bottom ends are 7 simultaneously ejects gas, which can make the lithium hydroxide collide with the crushing teeth 9 of the crushing rod 8 under the action of the airflow, so that the lithium hydroxide can be crushed more thoroughly by the action of the crushing teeth 9. After the crushing is completed, it can be screened through the nylon screen 10 to prevent larger particles of lithium hydroxide from entering the collection bag 11. After the crushed lithium hydroxide enters the collection bag 11, the motor 2 18 can be started to drive the pulley 19 on its shaft to rotate, so that the pulley 19 drives the pulley 20 to rotate through the belt, so that the pulley 20 drives the connecting shaft to rotate, so that the connecting shaft and the output shaft of the motor 2 18 drive the rotating shaft 14 in the collection box 1 to rotate, and the rotating shaft 14 drives the slapping piece 13 to rotate and slap the collection bag 2 12 and the collection bag 1 11.The lithium hydroxide in the collecting bag 11 and the collecting bag 2 12 can be graded and screened under the action of beating, so that the size of the collected lithium hydroxide particles can be more uniform. When the screening is completed, the motor 15 can be started to drive the rotating disk 16 on its axis to rotate. The rotating disk 16 drives the cleaning brush 15 to rotate and clean the inner wall of the bottom end of the collecting box 1, so as to conveniently sweep away the lithium hydroxide powder attached to the inner wall, thereby reducing the waste of lithium hydroxide.

[0021] A feeding pipe 3 is provided in the middle of the top of the crushing box 2, and connecting blocks 21 are provided on both side walls of the feeding pipe 3 close to the crushing box 2. Inclined plates 22 are movably connected to the connecting blocks 21 through rotating shafts, and the inner sides of the inclined plates 22 are connected to the inner walls of the feeding pipe 3 through springs 23. When lithium hydroxide is crushed in the crushing box 2, the inclined plates 22 can block the feeding pipe 3 through the action of the springs 23 and the rotating shafts in the connecting blocks 21, thereby preventing lithium hydroxide from floating upward during airflow crushing and affecting the crushing effect.

[0022] There are discharge pipes 6 on both sides of the bottom of the collecting box 1, and the inner sides of the collecting box 1 and the crushing box 2 are coated with ceramic coating. There are legs on all sides of the bottom of the collecting box 1, and the front of the collecting box 1 is fixedly connected with a sealed door by a hinge, so that the powder cleaned in the collecting box 1 can be discharged through the discharge pipe 6, and the ceramic coating coated on the inner walls of the collecting box 1 and the crushing box 2 can reduce the adhesion of the powder. When it is necessary to collect powder, the sealed door can be opened and the bolts can be tightened to remove the collecting bag 11 and the collecting bag 2 12 for easy collection.

[0023] When the embodiment of the present application is in use, lithium hydroxide is put into the crushing box 2 through the feeding pipe 3, and then nitrogen can be sent into the jet pipe 7 through the air inlet pipe 4, so that the jet pipe 7 at the top and bottom ends thereof sprays gas at the same time, so that the lithium hydroxide can collide with the crushing teeth 9 of the crushing rod 8 under the action of the airflow, so that the lithium hydroxide can be crushed more thoroughly by the action of the crushing teeth 9. When the lithium hydroxide is crushed, the inclined plate 22 can block the feeding pipe 3 through the action of the spring 23 and the rotating shaft in the connecting block 21, so as to prevent the lithium hydroxide from floating upward during the airflow crushing and affecting the crushing effect. After the crushing is completed, it can be screened through the nylon screen 10 to prevent larger particles of lithium hydroxide from entering the collecting bag 11. After the crushed lithium hydroxide enters the collecting bag 11, the motor 2 18 can be started to drive the pulley 19 on its shaft to rotate, so that the pulley 19 drives the pulley 20 to rotate through the belt, so that the pulley 20 drives the connecting shaft to rotate, so that the connecting shaft and the motor 2 18 can be connected. The output shaft drives the rotating shaft 14 in the collecting box 1 to rotate, and the rotating shaft 14 drives the flapping piece 13 to rotate and flap the collecting bag 2 12 and the collecting bag 1 11, so that the lithium hydroxide in the collecting bag 1 11 and the collecting bag 2 12 can be graded and screened under the action of flapping, so that the collected lithium hydroxide particles can be more uniform in size. When the screening is completed, the motor 1 5 can be started to drive the rotating disk 16 on its shaft to rotate, and the rotating disk 16 drives the cleaning brush 15 to rotate and clean the inner wall of the bottom end of the collecting box 1, so that the lithium hydroxide powder attached to the inner wall can be swept off, thereby reducing the waste of lithium hydroxide. The swept powder can then be discharged through the discharge pipe 6, and through the ceramic coating coated on the inner wall of the collecting box 1 and the crushing box 2, the adhesion of the powder can be reduced. When the powder needs to be collected, the sealing door can be opened and the bolts can be tightened to remove the collecting bag 1 11 and the collecting bag 2 12 for easy collection. When the lithium hydroxide is crushed and collected, the ceramic coating can reduce its contact with the metal material, thereby improving its crushing quality.

[0024] Obviously, the embodiments described above are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0025] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, tasks, devices, components and / or combinations thereof.

[0026] It should be noted that the terms "first," "second," and the like in the specification and claims of this application and the accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein.

[0027] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A pulverizing device for preparing micro powder lithium hydroxide, characterized in that: The invention comprises a collecting box (1) and a crushing box (2), wherein the top of the collecting box (1) is provided with the crushing box (2), and the bottoms of the collecting box (1) and the crushing box (2) are both funnel-shaped, and the bottom of the crushing box (2) extends into the collecting box (1), a collecting bag 1 (11) is provided in the middle position of the top of the collecting box (1) by means of bolts, and a collecting bag 2 (12) is provided in the collecting box (1) outside the collecting bag 1 (11) by means of bolts, and the mesh on the collecting bag 2 (12) is smaller than that of the collecting bag 1 (11), and a rotating shaft (14) is provided in the collecting box (1) on both sides of the collecting bag 2 (12). , and a flapping piece (13) is evenly provided at the middle position of the rotating shaft (14), and the outer sides of the flapping piece (13) and the rotating shaft (14) are evenly coated with a ceramic coating, a motor (5) is provided at the middle position of the bottom of the collecting box (1), and the output end of the motor (5) extends to the collecting box (1) and a rotating disk (16) is provided, and cleaning brushes (15) are provided on both sides of the rotating disk (16), the brush inside the cleaning brush (15) is in contact with the inner wall of the collecting box (1), and the cleaning brush (15), the rotating disk (16) and the output shaft of the motor (5) are all coated with a ceramic coating.

2. A pulverizing device for preparing micro-powder lithium hydroxide according to claim 1, characterized in that: The top and bottom ends of the inner side wall of the crushing box (2) are both provided with air jets (7), and air jet nozzles are evenly provided on the opposite sides of the air jets (7). The crushing box (2) between the air jets (7) is provided with mutually parallel crushing rods (8), and the crushing rods (8) are evenly provided with crushing teeth (9), and the crushing teeth (9) and the crushing rods (8) are both made of ceramic material.

3. A pulverizing device for preparing micro powder lithium hydroxide according to claim 1, characterized in that: A nylon screen (10) is provided on the inner side of the bottom of the crushing box (2), and an air intake pipe (4) is provided on one side of the crushing box (2), and a branch pipe is provided at one end of the air intake pipe (4) connected to the air injection pipe (7).

4. A pulverizing device for preparing micro powder lithium hydroxide according to claim 1, characterized in that: A feeding pipe (3) is provided at the middle position of the top of the crushing box (2), and connecting blocks (21) are provided on both side walls of the feeding pipe (3) close to the crushing box (2), and the connecting blocks (21) are movably connected to inclined plates (22) through rotating shafts, and the inner side of the inclined plates (22) and the inner wall of the feeding pipe (3) are connected through springs (23).

5. A pulverizing device for preparing micro powder lithium hydroxide according to claim 1, characterized in that: An outer cover (17) is provided on the back of the collection box (1) at a position corresponding to the rotating shaft (14), and a second motor (18) is provided on the side of the outer cover (17) away from the collection box (1) at a position corresponding to the rotating shaft (14), and an output end of the second motor (18) extends to the inside of the outer cover (17) and is provided with a pulley (19).

6. A pulverizing device for preparing micro powder lithium hydroxide according to claim 5, characterized in that: A connecting shaft is provided at a position corresponding to the rotating shaft (14) on the other side of the outer cover (17), and the connecting shaft in the outer cover (17) and the output shaft of the second motor (18) are both extended into the collection box (1) and connected to the rotating shaft (14). A second pulley (20) is provided on the connecting shaft in the outer cover (17), and the second pulley (20) is connected to the first pulley (19) through a belt.

7. A pulverizing device for preparing micro powder lithium hydroxide according to claim 1, characterized in that: Both sides of the bottom of the collecting box (1) are provided with discharge pipes (6), and the inner sides of the collecting box (1) and the crushing box (2) are coated with a ceramic coating. The bottom of the collecting box (1) is provided with legs on all sides, and the front of the collecting box (1) is fixedly connected to a sealed door via a hinge.

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