Air mill device for lithium hydroxide production

Abstract

The utility model discloses an air mill device for lithium hydroxide production, which relates to the technical field of lithium hydroxide production and comprises a mounting rack, a pre-crushing mechanism and a conveying mechanism, the pre-crushing mechanism is mounted at the top of the mounting rack, and the conveying mechanism is mounted on the inner bottom wall of the mounting rack and arranged below the pre-crushing mechanism. Through cooperation of a pre-crushing mechanism, a conveying mechanism, a feeding cylinder, a Venturi tube and a first communicating pipe, a first motor is started through an external control switch, through cooperation of a first rotating rod and a crushing blade, materials in a storage barrel can be pre-crushed, the size difference of material particles is reduced, and through starting of a second motor, the material particles can be crushed conveniently. Under the action of a second rotating rod, a spiral conveying piece and a conveying barrel, materials are evenly and continuously conveyed into a feeding barrel, under the cooperation of external air supply equipment externally connected with a first communicating pipe and a Venturi pipe, the materials in the feeding barrel can be brought into a smashing bin through airflow, and it can be ensured that the materials are evenly and continuously conveyed.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium hydroxide production, in particular to an air grinding device for lithium hydroxide production. Background Art

[0002] As an additive to alkaline battery electrolytes, lithium hydroxide can significantly increase battery capacity by 12% to 15% and extend its service life by 2 to 3 times. During the production process, particle size control of battery-grade lithium hydroxide is crucial. In order to meet high-standard particle size requirements, lithium hydroxide materials must be finely pulverized in an air mill before use.

[0003] However, traditional air mills have many shortcomings when processing lithium hydroxide materials. Due to the different sizes of raw material particles, some larger particles require longer time to reach the ideal particle size during the air flow crushing process, which not only reduces work efficiency but also increases energy consumption. Secondly, traditional air mills lack a continuous material conveying system, which easily leads to material accumulation and affects the continuity of the crushing process. To this end, we provide an air mill for lithium hydroxide production to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to make up for the deficiencies of the prior art and to provide a gas grinding device for lithium hydroxide production.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air grinding device for lithium hydroxide production, comprising a mounting frame, a pre-crushing mechanism and a conveying mechanism, the pre-crushing mechanism being mounted on the top of the mounting frame, the conveying mechanism being mounted on the inner bottom wall of the mounting frame and arranged below the pre-crushing mechanism, the pre-crushing mechanism comprising a storage barrel, the storage barrel being mounted on the top of the mounting frame, the upper surface of the storage barrel being fixedly connected to a motor housing 1, the interior of the motor housing 1 being fixedly connected to a motor 1, the output end of the motor 1 being fixedly connected to a rotating rod 1, the lower end of the rotating rod 1 being passed through the upper surface of the storage barrel and extending to the interior of the storage barrel, the surface of the rotating rod 1 located inside the storage barrel being fixedly connected to a group of crushing blades, a feeding hopper being mounted on the upper surface of the storage barrel, the conveying mechanism comprising a conveying drum, the conveying drum being fixedly connected to the inner bottom wall of the mounting frame, and the conveying drum being mounted on the bottom of the storage barrel.

[0006] Furthermore, the left side of the conveying cylinder is fixedly connected to a motor housing 2, the interior of the motor housing 2 is fixedly connected to a motor 2, the output end of the motor 2 is fixedly connected to a rotating rod 2, the right end of the rotating rod 2 is passed through the left side of the conveying cylinder and extends to the interior of the conveying cylinder, and the surface of the rotating rod 2 located inside the conveying cylinder is fixedly connected to a spiral conveying piece.

[0007] Furthermore, a feed cylinder is installed at the right end of the conveying cylinder, a venturi tube is installed at the bottom of the feed cylinder, and a connecting pipe 1 is installed at the left end of the venturi tube.

[0008] Furthermore, a fixing frame 1 is provided on the right side of the mounting frame, a crushing bin is fixedly connected to the upper surface of the fixing frame 1, the right end of the venturi tube is installed on the left side of the crushing bin, a high-pressure jet mechanism is installed on the surface of the crushing bin, and a connecting pipe 2 is installed on the left side of the high-pressure jet mechanism.

[0009] Furthermore, a fixing frame 2 is provided on the right side of the fixing frame 1, a cyclone separator is installed inside the fixing frame 2, a connecting pipe 3 is installed on the left side of the cyclone separator, and one end of the connecting pipe 3 away from the cyclone separator is installed on the upper surface of the crushing bin.

[0010] Furthermore, a collecting container is installed at the lower end of the cyclone separator, a connecting pipe four is installed on the right side of the cyclone separator, and an exhaust fan is installed at one end of the connecting pipe four away from the cyclone separator.

[0011] Compared with the existing technology, the gas grinding device for lithium hydroxide production has the following beneficial effects:

[0012] The utility model cooperates among a pre-crushing mechanism, a conveying mechanism, a feed barrel, a venturi tube and a connecting pipe 1, starts a motor 1 through an external control switch, and pre-crushes the material in the storage barrel through the cooperation of a rotating rod 1 and a crushing blade, thereby reducing the size difference of the material particles and improving the efficiency of subsequent air flow crushing. By starting a second motor, the material is evenly and continuously conveyed into the feed barrel under the action of a second rotating rod, a spiral conveying piece and a conveying barrel. Through the cooperation of an external air supply device connected to the connecting pipe 1 and the venturi tube, the material in the feed barrel can be brought into the interior of the crushing bin through the airflow. This arrangement ensures the even and continuous conveying of the material and effectively avoids the accumulation and blockage of the material.

[0013] The utility model cooperates among a crushing bin, a high-pressure jet mechanism, a second connecting pipe, a third connecting pipe and a cyclone separator. The second connecting pipe is connected to an external air supply device. The high-pressure jet mechanism can spray high-pressure gas into the crushing bin. Through the fast-flowing airflow field formed, the material particles can be collided and crushed at high speed. The crushed material and gas mixture enters the cyclone separator through the third connecting pipe. The material particles are separated by the cyclone separator and fall into the collection container below, so that the crushed material particles are conveniently collected. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional front view structure of the utility model in cross section.

[0015] Figure 2 It is a three-dimensional front view structural diagram of the utility model.

[0016] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the pre-crushing mechanism of the utility model.

[0017] Figure 4 It is a schematic cross-sectional three-dimensional structural diagram of the conveying mechanism of the present invention.

[0018] In the figure: 1. Mounting frame; 2. Pre-crushing mechanism; 201. Storage barrel; 202. Motor housing 1; 203. Motor 1; 204. Rotating rod 1; 205. Crushing blade; 206. Feeding hopper; 3. Conveying mechanism; 301. Conveying cylinder; 302. Motor housing 2; 303. Motor 2; 304. Rotating rod 2; 305. Spiral conveying blade; 4. Feeding cylinder; 5. Venturi tube; 6. Fixed frame 1; 7. Crushing chamber; 8. High-pressure jet mechanism; 9. Connecting pipe 1; 10. Connecting pipe 2; 11. Fixed frame 2; 12. Cyclone separator; 13. Connecting pipe 3; 14. Collecting container; 15. Connecting pipe 4; 16. Exhaust fan. DETAILED DESCRIPTION

[0019] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0020] This embodiment provides an air grinding device for lithium hydroxide production, which is used to perform air flow crushing on lithium hydroxide material particles during the lithium hydroxide production process. The device can pre-crush the material in the storage barrel 201, reducing the size difference of the material particles, improving the efficiency of subsequent air flow crushing, and ensuring uniform and continuous transportation of the material, effectively avoiding material accumulation and blockage.

[0021] See also Figures 1 to 4A gas grinding device for lithium hydroxide production includes a mounting frame 1, a pre-crushing mechanism 2 and a conveying mechanism 3. The pre-crushing mechanism 2 is mounted on the top of the mounting frame 1, and the conveying mechanism 3 is mounted on the inner bottom wall of the mounting frame 1 and is arranged below the pre-crushing mechanism 2. The pre-crushing mechanism 2 includes a storage barrel 201, which is mounted on the top of the mounting frame 1. The upper surface of the storage barrel 201 is fixedly connected to a motor housing 202, and the interior of the motor housing 202 is fixedly connected to a motor 203. The motor 203 is fixedly connected to the motor housing 202. The output end of 3 is fixedly connected to a rotating rod 1 204, the lower end of the rotating rod 1 204 is passed through the upper surface of the storage barrel 201 and extends to the interior of the storage barrel 201, and a group of crushing blades 205 are fixedly connected to the surface of the rotating rod 1 204 located inside the storage barrel 201. A feeding hopper 206 is installed on the upper surface of the storage barrel 201, and the conveying mechanism 3 includes a conveying cylinder 301, which is fixedly connected to the inner bottom wall of the mounting frame 1, and the conveying cylinder 301 is installed at the bottom of the storage barrel 201.

[0022] The operation of the device is started by an external control switch. The material can be preliminarily crushed by the pre-crushing mechanism 2, which provides convenience for subsequent air flow crushing. The material in the storage barrel 201 can be evenly and continuously conveyed out by the conveying mechanism 3. The lithium hydroxide material to be crushed is poured into the storage barrel 201 through the feeding hopper 206. The motor 203 is started by the external control switch. The motor 203 drives the rotating rod 204 and the crushing blade 205 to rotate, and the material in the storage barrel 201 is pre-crushed. The pre-crushed material falls into the conveying cylinder 301 installed on the bottom surface of the storage barrel 201.

[0023] The left side of the conveying cylinder 301 is fixedly connected to the motor housing 2 302, the interior of the motor housing 2 302 is fixedly connected to the motor 2 303, the output end of the motor 2 303 is fixedly connected to the rotating rod 2 304, the right end of the rotating rod 2 304 is passed through the left side of the conveying cylinder 301 and extends to the interior of the conveying cylinder 301, the surface of the rotating rod 2 304 located inside the conveying cylinder 301 is fixedly connected to the spiral conveying piece 305, and the right end of the conveying cylinder 301 is installed with the feeding cylinder 4.

[0024] Motor 2 is started by an external control switch, and motor 2 drives rotating rod 2 and the spiral conveying piece to rotate, and the material is evenly and continuously conveyed from the left end of the conveying cylinder to the feeding cylinder at the right end.

[0025] A venturi tube 5 is installed at the bottom of the feed barrel 4, and a connecting pipe 9 is installed at the left end of the venturi tube 5.

[0026] The connecting pipe 9 is connected to an external air supply device, which can provide high-pressure gas to the venturi tube 5. The venturi tube 5 uses the negative pressure effect generated by the airflow to suck the material in the feed barrel 4 and bring it into the crushing bin 7 through the airflow.

[0027] A fixing frame 6 is provided on the right side of the mounting frame 1, and a crushing bin 7 is fixedly connected to the upper surface of the fixing frame 6. The right end of the venturi tube 5 is installed on the left side of the crushing bin 7. A high-pressure jet mechanism 8 is installed on the surface of the crushing bin 7, and a connecting pipe 2 10 is installed on the left side of the high-pressure jet mechanism 8.

[0028] The crushing bin 7 is mounted on the upper surface of the fixing frame 1 6 , and the crushed material undergoes the final crushing operation in the crushing bin 7 . The connecting pipe 2 10 is connected to an external air supply device. With the cooperation of the high-pressure jet mechanism 8 , a fast-flowing high-pressure gas is formed in the crushing bin 7 , and the high-pressure gas drives the material to collide and crush at high speed.

[0029] A fixing frame 2 11 is provided on the right side of the fixing frame 1 6 , a cyclone separator 12 is installed inside the fixing frame 2 11 , a connecting pipe 3 13 is installed on the left side of the cyclone separator 12 , and the end of the connecting pipe 3 13 away from the cyclone separator 12 is installed on the upper surface of the crushing bin 7 , and a collecting container 14 is installed at the lower end of the cyclone separator 12 .

[0030] The crushed material enters the cyclone separator 12 through the connecting pipe 3 13 under the action of the gas. In the cyclone separator 12, the gas and the material are effectively separated, and the separated material falls into the collection container 14 below for collection.

[0031] A connecting pipe 4 15 is installed on the right side of the cyclone separator 12, and an exhaust fan 16 is installed on the end of the connecting pipe 4 15 away from the cyclone separator 12.

[0032] The gas separated by the crushing separator can be discharged to the outside through the cooperation of the exhaust fan 16 and the connecting pipe 4 15.

[0033] Working principle: When the device is in use, the lithium hydroxide material to be crushed is poured into the storage barrel 201, and the motor 1 203 is started through the external control switch. With the cooperation of the rotating rod 1 204 and the crushing blade 205, the material in the storage barrel 201 is pre-crushed, and the pre-crushed material falls into the conveying cylinder 301. Then, the motor 2 303 is started through the external control switch. With the cooperation of the rotating rod 2 304, the spiral conveying piece 305 and the conveying cylinder 301, the material is evenly and continuously conveyed to the feeding cylinder 4 at the right end, and then the external air supply equipment connected to the connecting pipe 1 9 is used to provide high-pressure gas to the venturi tube 5. The venturi The pipe 5 uses the negative pressure effect generated by the airflow to suck the material in the feed barrel 4 and bring it into the crushing bin 7 through the airflow. Then, through the external air supply equipment connected to the connecting pipe 2 10, with the cooperation of the high-pressure jet mechanism 8, a fast-flowing high-pressure gas is formed in the crushing bin 7. The high-pressure gas drives the material to undergo high-speed collision and crushing. Under the action of the gas, the crushed material enters the cyclone separator 12 through the connecting pipe 3 13. In the cyclone separator 12, the gas and material are effectively separated. The separated material falls into the collection container 14 below for collection, and the gas is discharged through the exhaust fan 16 and the connecting pipe 4 15.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A gas grinding device for lithium hydroxide production, comprising a mounting frame (1), a pre-crushing mechanism (2) and a conveying mechanism (3), characterized in that: The pre-crushing mechanism (2) is mounted on the top of the mounting frame (1), the conveying mechanism (3) is mounted on the inner bottom wall of the mounting frame (1) and is arranged below the pre-crushing mechanism (2), the pre-crushing mechanism (2) comprises a storage barrel (201), the storage barrel (201) is mounted on the top of the mounting frame (1), the upper surface of the storage barrel (201) is fixedly connected to a motor housing 1 (202), the interior of the motor housing 1 (202) is fixedly connected to a motor 1 (203), and the output end of the motor 1 (203) is fixedly connected to a rotating rod 1 (201). 04), the lower end of the rotating rod (204) is passed through the upper surface of the storage barrel (201) and extends to the interior of the storage barrel (201), a group of crushing blades (205) are fixedly connected to the surface of the rotating rod (204) located inside the storage barrel (201), a feeding hopper (206) is installed on the upper surface of the storage barrel (201), and the conveying mechanism (3) includes a conveying cylinder (301), the conveying cylinder (301) is fixedly connected to the inner bottom wall of the mounting frame (1), and the conveying cylinder (301) is installed at the bottom of the storage barrel (201).

2. A gas grinding device for lithium hydroxide production according to claim 1, characterized in that: The left side of the conveying cylinder (301) is fixedly connected to the second motor housing (302), the interior of the second motor housing (302) is fixedly connected to the second motor (303), the output end of the second motor (303) is fixedly connected to the second rotating rod (304), the right end of the second rotating rod (304) is passed through the left side of the conveying cylinder (301) and extends to the interior of the conveying cylinder (301), and the surface of the second rotating rod (304) located inside the conveying cylinder (301) is fixedly connected to the spiral conveying piece (305).

3. A gas grinding device for lithium hydroxide production according to claim 1, characterized in that: A feed cylinder (4) is installed at the right end of the conveying cylinder (301), a venturi tube (5) is installed at the bottom of the feed cylinder (4), and a connecting pipe (9) is installed at the left end of the venturi tube (5).

4. A gas grinding device for lithium hydroxide production according to claim 3, characterized in that: A fixing frame 1 (6) is provided on the right side of the mounting frame (1), a crushing bin (7) is fixedly connected to the upper surface of the fixing frame 1 (6), the right end of the venturi tube (5) is mounted on the left side of the crushing bin (7), a high-pressure jet mechanism (8) is mounted on the surface of the crushing bin (7), and a connecting pipe 2 (10) is mounted on the left side of the high-pressure jet mechanism (8).

5. A gas grinding device for lithium hydroxide production according to claim 4, characterized in that: A second fixing frame (11) is provided on the right side of the first fixing frame (6), a cyclone separator (12) is installed inside the second fixing frame (11), a connecting pipe (13) is installed on the left side of the cyclone separator (12), and an end of the connecting pipe (13) away from the cyclone separator (12) is installed on the upper surface of the crushing bin (7).

6. A gas grinding device for lithium hydroxide production according to claim 5, characterized in that: A collecting container (14) is installed at the lower end of the cyclone separator (12), a connecting pipe four (15) is installed on the right side of the cyclone separator (12), and an exhaust fan (16) is installed at the end of the connecting pipe four (15) away from the cyclone separator (12).

Images