Stable dehydration device for high-purity aluminum oxide production

Abstract

The invention provides a stable high-purity alumina production dehydration device, and relates to the technical field of alumina production dehydration, the stable high-purity alumina production dehydration device comprises a heating base, the upper surface of the heating base is fixedly connected with an annular filter screen, the upper surface of the heating base is provided with an isolation pipe at the inner side of the annular filter screen, and the outer side of the isolation pipe clings to the annular filter screen; and a stirring assembly is arranged above the isolation pipe. By arranging the isolation pipe and the annular filter screen, a container for containing is formed between the isolation pipe and the heating base, acid pickling and neutralization are facilitated, when the isolation pipe leaves the upper surface of the heating base, a filtering container is formed between the heating base and the annular filter screen, a solution does not need to be poured out for filtering in the whole process, and the device is safer and more convenient; and working personnel are prevented from being corroded and damaged by acidic and alkaline solutions.

Description

Technical Field

[0001] The invention belongs to the technical field of alumina production dehydration, and in particular relates to a stable high-purity alumina production dehydration device. Background Art

[0002] Dehydration of high-purity alumina is the process of removing water from high-purity alumina containing water of crystallization. It has important applications in many fields such as electronics and ceramics. The main dehydration methods include: High-temperature calcination dehydration method: This is one of the most commonly used methods. The high-purity alumina is placed in a high-temperature furnace and calcined under certain temperature and atmosphere conditions. As the temperature rises, the water of crystallization will gradually escape from the alumina; Chemical dehydration method: certain chemical reagents are used to react chemically with the water in the high-purity alumina to achieve the purpose of dehydration. For example, strong dehydrating agents such as concentrated sulfuric acid and phosphorus pentoxide are used. They can strongly bind to water and remove water from alumina; Vacuum dehydration method: Place high-purity alumina in a vacuum environment, reduce the pressure of the system, and allow the water to vaporize and escape at a lower temperature.

[0003] When using the acid dissolution-precipitation chemical method to dehydrate alumina, it is necessary to pour alumina and strong acid into a container and mix them to fully dissolve the alumina, then filter, pour out the solution to retain the precipitate, and then use alkaline solution to neutralize after filtration, and perform multiple washing and filtering. During the entire operation, strong acids and alkaline substances are needed, both of which are highly corrosive. When the staff pour out the solution for filtering, liquid splashes are likely to occur, causing damage to the staff's skin and breathing. Summary of the invention

[0004] In order to solve the above problems, the present invention proposes a stable high-purity alumina production dehydration device to more accurately solve the above problems.

[0005] The present invention is achieved through the following technical solutions: The present invention proposes a stable high-purity alumina production dehydration device, comprising a heating base, the upper surface of the heating base is fixedly connected to an annular filter screen, the upper surface of the heating base is located on the inner side of the annular filter screen, an isolation tube is provided, the outer side of the isolation tube is in close contact with the annular filter screen, and a stirring assembly is provided above the isolation tube.

[0006] In one example, the upper surface of the annular filter is fixedly connected to the conical tube, the isolation tube is fitted with the conical tube, the heating base is fixedly connected to the outer side of the conical tube with an annular shell, the opening of the annular shell is opposite to the annular filter, the bottom surface of the annular shell is connected to the delivery pipe, and the inner wall of the annular shell is provided with a conical slope, which is located at the bottom of the annular shell.

[0007] In one example, the stirring assembly includes a fixed frame, a support plate fixedly connected between two of the fixed frames, the upper surface of the support plate fixedly connected to the first servo motor, the main shaft of the first servo motor fixedly connected to the stirring rod, the middle part of the stirring rod is bent, the upper surface of the heating base is rotatably connected to a rotating seat, the upper surface of the rotating seat is a conical inclined surface, the stirring rod is fixedly connected to the rotating seat, the upper surface of the rotating seat is fixedly connected to a plurality of fixed blocks, and all of the fixed blocks are arranged in a circular array.

[0008] In one example, a lifting assembly is provided on the fixed frame, and the lifting assembly is used to lift the isolation tube. The lifting assembly includes two sliding blocks, which are fixedly connected to the isolation tube. Square through grooves are provided on the two fixed frames, and the sliding blocks are slidably connected to the fixed frames. A threaded rod is rotatably connected between the upper bottom surface and the lower bottom surface of the square through groove on one of the fixed frames, and the threaded rod passes through the sliding block and is threadedly connected to the sliding block.

[0009] In one example, the lower surface of the support plate is rotatably connected to a rotating tube, a stirring rod passes through the rotating tube, the outer side of the stirring rod is fixedly connected to an arc block, an installation groove is provided on the inner side of the rotating tube, a toggle rod is rotatably connected in the mounting groove, a toggle spring is provided at the connection, the toggle rod is tightly attached to the side wall of the mounting groove, the outer side of the rotating tube is fixedly connected to a first pulley, the outer side of the threaded rod is fixedly connected to a second pulley, and a belt is connected between the first pulley and the second pulley.

[0010] In one example, the lower surface of the heating base is fixedly connected to a support ring, the support ring is fixedly connected to the annular shell, the delivery pipe passes through the support ring, the outer side of the support ring is rotatably connected to the mounting ring, a support platform is provided below the mounting ring, the upper surface of the support platform is fixedly connected to two vertical plates, the opposite sides of the two vertical plates are rotatably connected to a rotating rod, the rotating rod is fixedly connected to the mounting ring, the fixing frame is fixedly connected to the mounting ring, and a driving assembly is provided below the mounting ring, the driving assembly is used to drive the support ring to rotate.

[0011] In one example, the drive assembly includes a support plate, which is fixedly connected to a mounting ring, the lower surface of the support plate is fixedly connected to a drive motor, the main shaft of the drive motor is fixedly connected to a third pulley, the lower surface of the support ring is fixedly connected to a plurality of support rods, the lower ends of the support rods are fixedly connected to a fixed tube, the conveying tube passes through the fixed tube, the outer side of the fixed tube is fixedly connected to a fourth pulley, and a belt is connected between the third pulley and the fourth pulley.

[0012] In one example, one of the vertical plates is rotatably connected to a control tube, and the control tube is on the same axis as the center of the rotating rod. The side wall of the vertical plate is provided with a penetrating slide groove, and the slide groove is slidably connected to a horizontal plate. One side of the horizontal plate is fixedly connected to a support plate, and the upper surface of the support plate is fixedly connected to two support columns, and the support columns are located on both sides of the central axis of the mounting ring. A guide rod is fixedly connected in the slide groove, and the guide rod penetrates the horizontal plate and is slidably connected to the horizontal plate. A spring is fixedly connected between the horizontal plate and the vertical plate.

[0013] In one example, the outer side of one of the rotating rods is fixedly connected to two fixed rods, the outer side of the control tube is provided with two square through slots, the two fixed rods pass through the square through slots, the upper surface of the horizontal plate is fixedly connected to the fixing seat, the outer side of the control tube is fixedly connected to the arc plate, one side of the vertical plate is fixedly connected to the second servo motor, the main shaft of the second servo motor is fixedly connected to the fifth pulley, the outer side of the rotating tube is fixedly connected to the sixth pulley, and a belt is connected between the fifth pulley and the sixth pulley.

[0014] In one example, the upper side of the fixing seat is arc-shaped, and both sides of the arc-shaped plate are provided with inclined surfaces.

[0015] The stable high-purity alumina production dehydration device proposed by the present invention can bring the following beneficial effects: First, by setting the isolation tube and the annular filter, when the isolation tube is against the upper surface of the heating base, a container is formed between the isolation tube and the heating base, which is convenient for pickling and neutralization. When the isolation tube leaves the upper surface of the heating base, a filtering container is formed between the heating base and the annular filter. The whole process does not require the transfer of solution for filtering, which is safer and more convenient, and avoids corrosion and injury to workers by acidic and alkaline solutions. Secondly, by setting the arc block and the toggle rod, the first servo motor rotates forward to drive the stirring rod and the rotating seat to rotate. When the acid reaction is completed and filtering is required, the first servo motor rotates reversely, the arc block toggles the toggle rod, the toggle rod is against the side wall of the installation groove, and the rotating tube is driven to rotate. The rotating tube drives the threaded rod to rotate through the first pulley and the second pulley, and the threaded rod drives the sliding block to rise, thereby pulling the isolation tube to rise, exposing the annular filter screen, which is convenient for filtering. By setting the arc block and the toggle rod, the first servo motor rotates forward to drive the stirring rod to stir, and reverses to drive the isolation tube to rise for filtering. Manual operation is not required by the staff, and it is convenient and safe to use. Thirdly, by setting a control tube, the second servo motor is started, and the control tube rotates, so that the fixed rod moves in the square through groove. At this time, the control tube does not contact the fixed rod and will not move the fixed rod, but the control tube rotates, so that the arc plate on the outside of the control tube contacts the fixed seat, pushing the cross plate and the support column downward, so that the support column leaves the mounting ring and no longer supports the mounting ring. Then the control tube continues to rotate, contacts the fixed rod, and moves the fixed rod, so that the mounting ring and the middle component are skewed, which is convenient for removing the sediment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0017] In the attached picture: Figure 1 It is a schematic diagram of the structure of the present invention.

[0018] Figure 2 It is a structural schematic diagram of the support platform of the present invention.

[0019] Figure 3 It is a schematic structural diagram of the cross section of the present invention.

[0020] Figure 4 It is a schematic structural diagram of the arc block and the toggle rod of the present invention.

[0021] Figure 5 It is a schematic structural diagram of the support ring and the mounting ring of the present invention.

[0022] Figure 6 It is a schematic structural diagram of the cross plate and the supporting plate of the present invention.

[0023] Figure 7 It is a schematic diagram of the structure of the control tube and the support column of the present invention.

[0024] Figure 8 It is a structural schematic diagram of the fixing rod of the present invention.

[0025] In the figure: 1, heating base; 2, annular filter; 3, isolation tube; 4, stirring assembly; 41, fixed frame; 42, support plate; 43, first servo motor; 44, stirring rod; 45, rotating seat; 46, fixed block; 5, tapered tube; 6, annular shell; 7, conveying pipe; 8, lifting assembly; 81, sliding block; 82, threaded rod; 9, rotating tube; 10, arc block; 11, toggle rod; 12, first pulley; 13, second pulley; 14, support ring; 15, mounting ring; 16. Support table; 17. Vertical plate; 18. Rotating rod; 19. Driving assembly; 191. Support plate; 192. Driving motor; 193. Third pulley; 194. Support rod; 195. Fixed pipe; 196. Fourth pulley; 20. Control pipe; 21. Cross plate; 22. Support plate; 23. Support column; 24. Guide rod; 25. Spring; 26. Fixed rod; 27. Fixed seat; 28. Arc plate; 29. ​​Second servo motor; 30. Fifth pulley; 31. Sixth pulley. DETAILED DESCRIPTION

[0026] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in an exemplary manner in conjunction with the accompanying drawings.

[0027] like Figures 1 to 8As shown, an embodiment of the present invention proposes a stable high-purity alumina production dehydration device, including a heating base 1, the upper surface of the heating base 1 is fixedly connected to an annular filter screen 2, an isolation tube 3 is placed on the upper surface of the heating base 1, the outer side of the isolation tube 3 is in close contact with the annular filter screen 2, a stirring assembly 4 is arranged above the isolation tube 3, the upper surface of the annular filter screen 2 is fixedly connected to a conical tube 5, the isolation tube 3 is in close contact with the conical tube 5, the heating base 1 and the outer side of the conical tube 5 are fixedly connected to an annular shell 6, the opening of the annular shell 6 is opposite to the annular filter screen 2, the bottom surface of the annular shell 6 is connected to the conveying pipe 7, and the annular shell The inner wall of the body 6 is provided with a conical inclined surface, which is located at the bottom of the annular shell 6. When in use, a strong acid such as hydrochloric acid or sulfuric acid is selected to prepare an acid solution with a concentration of 1 mol / L-3 mol / L and poured into the isolation tube 3, and then the alumina raw material containing crystal water is poured into the isolation tube 3. At this time, the heating base 1 is turned on to maintain the temperature in the isolation tube 3 between 40 and 80 degrees Celsius, and the stirring component 4 is started to stir the mixed solution to promote the acid treatment reaction so that the crystal water is released in the form of water. After a period of reaction, an alkaline solution is added to the isolation tube 3 to neutralize the aluminum oxide. The precipitate is formed into aluminum hydroxide precipitate. After neutralization is completed, the isolation tube 3 is lifted up to make the solution contact with the annular filter screen 2. The solution passes through the annular filter screen 2 and the precipitate stays on the inner side of the annular filter screen 2. Then, deionized water is poured into the precipitate and the washing is repeated for multiple times. The used deionized water passes through the annular filter screen 2 again and enters the annular shell 6 and leaves through the conveying pipe 7. After washing, the aluminum hydroxide precipitate is taken out and the final calcination is performed. The entire pickling and neutralization process is completed in the isolation tube 3 and the annular filter screen 2, and the staff does not need to pour out the solution for multiple filtering operations. By setting the isolation tube 3 and the annular filter screen 2, when the isolation tube 3 is against the upper surface of the heating base 1, a holding container is formed between the isolation tube 3 and the heating base 1, which is convenient for pickling and neutralization. When the isolation tube 3 leaves the upper surface of the heating base 1, a filtering container is formed between the heating base 1 and the annular filter screen 2. The whole process does not require pouring out the solution for filtering, which is safer and more convenient, and avoids corrosion and injury to workers by acidic and alkaline solutions. The isolation tube 3, the annular filter screen 2, the conical tube 5, the annular shell 6, the delivery pipe 7, the heating base 1 and the stirring assembly 4 are all made of corrosion-resistant materials.

[0028] like Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the stirring assembly 4 includes a fixed frame 41, a support plate 42 is fixedly connected between the two fixed frames 41, the upper surface of the support plate 42 is fixedly connected to the first servo motor 43, the main shaft of the first servo motor 43 is fixedly connected to the stirring rod 44, the middle part of the stirring rod 44 is bent, the upper surface of the heating base 1 is rotatably connected to the rotating seat 45, the upper surface of the rotating seat 45 is a conical inclined surface, the stirring rod 44 is fixedly connected to the rotating seat 45, and the upper surface of the rotating seat 45 is fixedly connected to a plurality of fixed blocks 46, all of which are arranged in a circular array. When in use, when the stirring assembly 4 stirs the solution, the first servo motor 43 is started to drive the rotating rod 18 to rotate, and the rotating rod 18 drives the rotating seat 45 to rotate, stirring the solution to stir, promoting acid reaction and neutralization reaction, and improving the stirring effect through the bending area in the middle part of the rotating rod 18 and the rotating seat 45 at the bottom, and the fixed block 46 on the rotating seat 45. When filtering is required, the conical inclined surface on the upper surface of the rotating seat 45 can reduce the residue of the solution.

[0029] like Figure 2 and Figure 3As shown, a lifting assembly 8 is provided on the fixed frame 41, and the lifting assembly 8 is used to lift the isolation tube 3. The lifting assembly 8 includes two sliding blocks 81, and the sliding block 81 is fixedly connected to the isolation tube 3. Both fixed frames 41 are provided with square through grooves, and the sliding block 81 is slidably connected to the fixed frame 41. A threaded rod 82 is rotatably connected between the upper bottom surface and the lower bottom surface of the square through groove on one of the fixed frames 41, and the threaded rod 82 penetrates the sliding block 81 and is threadedly connected to the sliding block 81. The lower surface of the support plate 42 is rotatably connected to the rotating tube 9, and the stirring rod 44 passes through the rotating tube 9. The outer side of the stirring rod 44 is fixedly connected to the arc block 10. The inner side of the rotating tube 9 is provided with a mounting groove, and the mounting groove is rotatably connected to the toggle rod 11. A torsion spring is provided at the connection, and the toggle rod 11 is close to the side wall of the mounting groove. The outer side of the rotating tube 9 is fixedly connected to the first pulley 12, and the outer side of the threaded rod 82 is fixedly connected to the second pulley 13. A belt is connected between the first pulley 12 and the second pulley 13, and stirring is required. When promoting the acid reaction, the first servo motor 43 rotates forward, driving the stirring rod 44 and the rotating seat 45 to rotate. At this time, the arc block 10 outside the stirring rod 44 toggles the toggle rod 11, and the toggle rod 11 rotates into the installation groove to avoid. When the acid reaction is completed, when filtering is required, the isolation tube 3 needs to leave the upper surface of the heating base 1 to expose the annular filter screen 2. At this time, the first servo motor 43 is reversed, and the arc block 10 toggles the toggle rod 11, and the toggle rod 11 is against the side wall of the installation groove to push the rotating tube 9 to rotate. The rotating tube 9 drives the threaded rod 82 to rotate through the first pulley 12 and the second pulley 13. The threaded rod 82 drives the sliding block 81 to rise, and then pulls the isolation tube 3 to rise, exposing the annular filter screen 2, which is convenient for filtering. By setting the arc block 10 and the toggle rod 11, the first servo motor 43 rotates forward to drive the stirring rod 44 to stir, and reverses to drive the isolation tube 3 to rise for filtering. Manual operation is not required by the staff, and it is convenient and safe to use.

[0030] like Figure 2 , Figure 3 and Figure 5As shown, the lower surface of the heating base 1 is fixedly connected to a support ring 14, the support ring 14 is fixedly connected to the annular shell 6, the conveying pipe 7 passes through the support ring 14, the outer side of the support ring 14 is rotatably connected to the mounting ring 15, a support platform 16 is arranged below the mounting ring 15, the support platform 16 is provided with an avoidance groove, the avoidance groove is used to avoid the conveying pipe 7, the upper surface of the support platform 16 is fixedly connected to two vertical plates 17, the opposite sides of the two vertical plates 17 are rotatably connected to a rotating rod 18, the rotating rod 18 is fixedly connected to the mounting ring 15, the fixing frame 41 is fixedly connected to the mounting ring 15, a driving assembly 19 is arranged below the mounting ring 15, the driving assembly 19 is used to drive the support ring 14 to rotate, the driving assembly 19 includes a support plate 191, the support plate 191 is fixedly connected to the mounting ring 15, the lower surface of the support plate 191 is fixedly connected to a driving motor 192, the main shaft of the driving motor 192 is fixedly connected to a third pulley 193, the lower surface of the support ring 14 is fixedly connected to a plurality of support rods 194, the lower The end is fixedly connected to the fixed pipe 195, the conveying pipe 7 passes through the fixed pipe 195, the outer side of the fixed pipe 195 is fixedly connected to the fourth pulley 196, and a belt is connected between the third pulley 193 and the fourth pulley 196. When the stirring is completed, the aluminum hydroxide precipitate needs to be rinsed and neutralized. At this time, the isolation tube 3 has been lifted up, and the driving motor 192 is started, and the support ring 14 is driven to rotate through the third pulley 193 and the fourth pulley 196. The support ring 14 drives the upper heating base 1, the annular shell 6, the annular filter screen 2 and the conical tube 5 to rotate, and the rotating seat 45 rotates at the same speed and in the same direction. After the internal precipitate is rinsed, the precipitate is rotated along with the rotation to achieve a centrifugal effect, promote the separation of liquid and solid, and improve the filtering effect. At this time, the isolation tube 3 is lifted up, and the outer side is out of contact with the annular filter screen 2. The isolation tube 3 is located in the conical tube 5, and the outer wall does not contact the conical tube 5. At this time, the centrifugal rotation will not cause wear to the annular filter screen 2 and the conical tube 5.

[0031] like Figure 6 , Figure 7 and Figure 8As shown, one of the vertical plates 17 is rotatably connected to the control tube 20, and the center of the control tube 20 and the rotating rod 18 are on the same axis. The side wall of the vertical plate 17 is provided with a through slide groove, and the slide groove is slidably connected to the horizontal plate 21. One side of the horizontal plate 21 is fixedly connected to the support plate 22. The upper surface of the support plate 22 is fixedly connected to two support columns 23. The support columns 23 are located on both sides of the central axis of the mounting ring 15. The guide rod 24 is fixedly connected in the slide groove, and the guide rod 24 penetrates the horizontal plate 21 and is slidably connected to the horizontal plate 21. The horizontal plate 21 and the vertical plate 17 are connected. The outer side of the control tube 20 is fixedly connected to the spring 25, one of the rotating rods 18 is fixedly connected to two fixing rods 26, the outer side of the control tube 20 is provided with two square through grooves, the two fixing rods 26 pass through the square through grooves, the upper surface of the horizontal plate 21 is fixedly connected to the fixing seat 27, the outer side of the control tube 20 is fixedly connected to the arc plate 28, one side of the vertical plate 17 is fixedly connected to the second servo motor 29, the main shaft of the second servo motor 29 is fixedly connected to the fifth pulley 30, the outer side of the rotating tube 9 is fixedly connected to the sixth pulley 31, the fifth pulley 30 A belt is connected to the sixth pulley 31. The upper side of the fixed seat 27 is arc-shaped. Both sides of the arc-shaped plate 28 are provided with inclined surfaces. When the acid reaction and the neutralization reaction are carried out, the support column 23 is pulled against both sides of the mounting ring 15 by the spring 25 to keep the mounting ring 15 horizontal. When the acid reaction and the neutralization reaction are completed, the threaded rod 82 is rotated to reset the isolation tube 3. The inner side of the lower end of the isolation tube 3 is provided with a conical inclined surface, and the sediment is located inside the isolation tube 3. At this time, the second servo motor 29 is started to control The tube 20 rotates to move the fixing rod 26 in the square through groove. At this time, the control tube 20 does not contact the fixing rod 26 and will not move the fixing rod 26. However, the control tube 20 rotates to make the arc plate 28 on the outside of the control tube 20 contact the fixing seat 27, pushing the cross plate 21 and the support column 23 downward, so that the support column 23 leaves the mounting ring 15 and no longer supports the mounting ring 15. Then the control tube 20 continues to rotate, contacts the fixing rod 26, and moves the fixing rod 26, so that the mounting ring 15 and the middle component are skewed, which is convenient for removing the sediment.

[0032] Working principle: select strong acid solution such as hydrochloric acid and sulfuric acid and pour it into the isolation tube 3, then pour the alumina raw material containing crystal water into the isolation tube 3, at this time, the heating base 1 is turned on to keep the temperature in the isolation tube 3 between 40 and 80 degrees Celsius, the first servo motor 43 rotates forward, driving the stirring rod 44 and the rotating seat 45 to rotate, at this time, the arc block 10 outside the stirring rod 44 toggles the toggle rod 11, and the toggle rod 11 rotates into the installation groove to avoid, when the acid reaction is completed, the first servo motor 43 reverses, the arc block 10 toggles the toggle rod 11, and the toggle rod 11 is against the side wall of the installation groove, pushing the rotating tube 9 to rotate, and the rotating tube 9 drives the threaded rod 82 to rotate through the first pulley 12 and the second pulley 13, and the threaded rod 82 drives the sliding block 81 to rise, thereby pulling the isolation tube 3 up to expose the annular filter screen 2, and when the aluminum hydroxide precipitate needs to be rinsed and neutralized, the drive motor 192 is started, The support ring 14 is driven to rotate by the third pulley 193 and the fourth pulley 196, and the support ring 14 drives the upper heating base 1, the annular shell 6, the annular filter screen 2 and the conical tube 5 to rotate. At the same time, the rotating seat 45 rotates at the same speed and in the same direction. After the internal precipitate is rinsed, the precipitate is rotated along with the rotation to achieve a centrifugal effect. When the precipitate is taken out, there is no solution and only precipitate left in the device. The threaded rod 82 is rotated to reset the isolation tube 3, and the precipitate is located on the inner side of the isolation tube 3. At this time, the second servo motor 29 is started, the control tube 20 rotates, and the arc plate 28 contacts the fixed seat 27 to push the cross plate 21 and the support column 23 downward, so that the support column 23 leaves the mounting ring 15 and no longer supports the mounting ring 15. Then the control tube 20 continues to rotate and contacts the fixed rod 26, and the fixed rod 26 is moved to tilt the mounting ring 15 and the middle component, so that the precipitate slides out and then calcination can be performed.

[0033] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0034] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A stable high-purity alumina production dehydration device, characterized in that: The heating base (1) comprises a heating base, the upper surface of which is fixedly connected to an annular filter screen (2), an isolation tube (3) is provided on the upper surface of the heating base (1) located inside the annular filter screen (2), the outer side of the isolation tube (3) is in close contact with the annular filter screen (2), and a stirring assembly (4) is provided above the isolation tube (3).

2. A stable high-purity alumina production dehydration device according to claim 1, characterized in that: The upper surface of the annular filter screen (2) is fixedly connected to the conical tube (5), the isolation tube (3) is in contact with the conical tube (5), the heating base (1) and the outer side of the conical tube (5) are fixedly connected to the annular shell (6), the opening of the annular shell (6) is opposite to the annular filter screen (2), the bottom surface of the annular shell (6) is connected to the delivery tube (7), and the inner wall of the annular shell (6) is provided with a conical inclined surface, which is located at the bottom of the annular shell (6).

3. A stable high-purity alumina production dehydration device according to claim 2, characterized in that: The stirring assembly (4) comprises a fixed frame (41), a support plate (42) fixedly connected between the two fixed frames (41), an upper surface of the support plate (42) fixedly connected to a first servo motor (43), a main shaft of the first servo motor (43) fixedly connected to a stirring rod (44), a middle portion of the stirring rod (44) being bent, an upper surface of the heating base (1) being rotatably connected to a rotating seat (45), an upper surface of the rotating seat (45) being a conical inclined surface, the stirring rod (44) being fixedly connected to the rotating seat (45), an upper surface of the rotating seat (45) being fixedly connected to a plurality of fixed blocks (46), and all of the fixed blocks (46) being arranged in a ring array.

4. A stable high-purity alumina production dehydration device according to claim 3, characterized in that: The fixed frame (41) is provided with a lifting assembly (8), and the lifting assembly (8) is used to lift the isolation tube (3). The lifting assembly (8) comprises two sliding blocks (81), and the sliding blocks (81) are fixedly connected to the isolation tube (3). The two fixed frames (41) are provided with square through grooves, and the sliding blocks (81) are slidably connected to the fixed frames (41). A threaded rod (82) is rotatably connected between the upper bottom surface and the lower bottom surface of the square through groove on one of the fixed frames (41), and the threaded rod (82) passes through the sliding block (81) and is threadedly connected to the sliding block (81).

5. A stable high-purity alumina production dehydration device according to claim 4, characterized in that: The lower surface of the support plate (42) is rotatably connected to the rotating tube (9), the stirring rod (44) passes through the rotating tube (9), the outer side of the stirring rod (44) is fixedly connected to the arc block (10), the inner side of the rotating tube (9) is provided with a mounting groove, the mounting groove is rotatably connected to the toggle rod (11), a torsion spring is provided at the connection, the toggle rod (11) is closely attached to the side wall of the mounting groove, the outer side of the rotating tube (9) is fixedly connected to the first belt pulley (12), the outer side of the threaded rod (82) is fixedly connected to the second belt pulley (13), and a belt is connected between the first belt pulley (12) and the second belt pulley (13).

6. A stable high-purity alumina production dehydration device according to claim 5, characterized in that: The lower surface of the heating base (1) is fixedly connected to a support ring (14), the support ring (14) is fixedly connected to the annular shell (6), the delivery pipe (7) passes through the support ring (14), the outer side of the support ring (14) is rotatably connected to a mounting ring (15), a support platform (16) is provided below the mounting ring (15), the upper surface of the support platform (16) is fixedly connected to two vertical plates (17), the opposite sides of the two vertical plates (17) are rotatably connected to a rotating rod (18), the rotating rod (18) is fixedly connected to the mounting ring (15), the fixing frame (41) is fixedly connected to the mounting ring (15), and a driving assembly (19) is provided below the mounting ring (15), the driving assembly (19) is used to drive the support ring (14) to rotate.

7. A stable high-purity alumina production dehydration device according to claim 6, characterized in that: The driving assembly (19) comprises a support plate (191), the support plate (191) is fixedly connected to the mounting ring (15), the lower surface of the support plate (191) is fixedly connected to the driving motor (192), the main shaft of the driving motor (192) is fixedly connected to the third pulley (193), the lower surface of the support ring (14) is fixedly connected to a plurality of support rods (194), the lower ends of the support rods (194) are fixedly connected to a fixing tube (195), the conveying tube (7) passes through the fixing tube (195), the outer side of the fixing tube (195) is fixedly connected to a fourth pulley (196), and a belt is connected between the third pulley (193) and the fourth pulley (196).

8. A stable high-purity alumina production dehydration device according to claim 6, characterized in that: A control tube (20) is rotatably connected to one of the vertical plates (17), and the center of the control tube (20) and the rotation rod (18) are on the same axis. A sliding groove is provided on the side wall of the vertical plate (17), and a horizontal plate (21) is slidably connected in the sliding groove. One side of the horizontal plate (21) is fixedly connected to a support plate (22), and the upper surface of the support plate (22) is fixedly connected to two support columns (23). The support columns (23) are located on both sides of the central axis of the mounting ring (15). A guide rod (24) is fixedly connected in the sliding groove, and the guide rod (24) passes through the horizontal plate (21) and is slidably connected to the horizontal plate (21). A spring (25) is fixedly connected between the horizontal plate (21) and the vertical plate (17).

9. A stable high-purity alumina production dehydration device according to claim 8, characterized in that: The outer side of one of the rotating rods (18) is fixedly connected to two fixed rods (26), the outer side of the control tube (20) is provided with two square through grooves, the two fixed rods (26) pass through the square through grooves, the upper surface of the horizontal plate (21) is fixedly connected to the fixing seat (27), the outer side of the control tube (20) is fixedly connected to the arc plate (28), one side of the vertical plate (17) is fixedly connected to the second servo motor (29), the main shaft of the second servo motor (29) is fixedly connected to the fifth pulley (30), the outer side of the rotating tube (9) is fixedly connected to the sixth pulley (31), and a belt is connected between the fifth pulley (30) and the sixth pulley (31).

10. A stable high-purity alumina production dehydration device according to claim 9, characterized in that: The upper side of the fixing seat (27) is arc-shaped, and both sides of the arc-shaped plate (28) are provided with inclined surfaces.

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