An expanded graphite purification device

Abstract

The utility model discloses an expanded graphite purification device belongs to expanded graphite production equipment technical field, including work table, the upper surface fixed connection of work table has acid liquid tank, the upper surface fixed connection of work table has three groups of support frame, through the composite structure in the stirring jar, cooperate first heating wire accurate temperature control, make graphite and acid liquid fully mixed reaction, guarantee purification effect, and the acid liquid is returned to acid liquid tank after filtration, improves the acid liquid recovery rate, saves the cost and more environmental protection, and the cleaning tank passes through the dynamic cleaning of rotating rod and cleaning brush, and the removal of residual acid liquid is more thorough, and spiral distribution blade transports the material after cleaning to the drying jar, realizes the seamless link of cleaning and drying, and the accurate temperature control of second heating wire and temperature sensor of drying jar, further guarantees the product purity, and the controller linkage each part, and the degree of automation is high, ensures that the product quality of different batches is consistent, improves production efficiency, realizes integrated efficient purification process.

Description

Technical Field

[0001] This utility model relates to the field of expanded graphite production equipment, specifically an expanded graphite purification device. Background Technology

[0002] Expanded graphite, as a functional carbon material with a loose and porous structure, is widely used in sealing components, environmentally friendly adsorbent materials, and thermally conductive composite materials due to its excellent sealing performance, thermal conductivity, and chemical stability. Its purity directly determines the product performance, so purification is a key step in the production process of expanded graphite. Currently, the industry generally uses acid leaching for purification.

[0003] Traditional equipment relies on multiple independent devices for processes such as acid leaching, filtration, washing, and drying, requiring manual material handling, resulting in extremely low efficiency. After separating acid from graphite slag, the recovery process in traditional equipment is complex, requiring external recovery equipment, and most of the acid is directly discarded, leading to high costs and significant pollution. Therefore, those skilled in the art have provided an expanded graphite purification device to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to provide an expanded graphite purification device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: An expanded graphite purification device includes a workbench. An acid tank is fixedly connected to the upper surface of the workbench. Four sets of support legs are fixedly connected to the upper surface of the workbench. A stirring tank, a filter box, a washing box, and a drying tank are respectively fixedly connected to the upper surfaces of the four sets of support legs. A feed hopper is connected to the upper surface of the stirring tank. A first bearing is fixedly embedded in the inner bottom wall of the stirring tank. A cylinder is fixedly connected to the inner ring of the first bearing. Equally spaced stirring rods are fixedly connected to the outer surface of the cylinder. Equally spaced stirring columns are fixedly connected to the outer surface of each stirring rod. A first heating wire arranged in a ring is fixedly connected to the inner wall of the stirring tank. A first discharge pipe is connected to the bottom surface of the stirring tank. A first valve is installed on the outer surface of the first discharge pipe. One end of the first discharge pipe is connected to the filter box. A filter plate is fixedly connected to the inner wall of the filter box. The bottom surface of the filter box is connected to a first drain pipe, the end of which is away from the filter box is connected to an acid tank. The bottom surface of the filter box is connected to a flow guide box, one end of which is connected to a cleaning box. A second bearing is fixedly embedded in the inner wall of the cleaning box. A rotating rod is fixedly connected to the inner ring of the second bearing. Cleaning brushes arranged at equal intervals are connected to the outer surface of the rotating rod. A flow guide pipe is fixedly connected to the right side of the cleaning box, the end of which is away from the cleaning box is connected to a drying tank. A third bearing is fixedly embedded in the inner wall of the cleaning box. A round rod is fixedly connected to the inner ring of the third bearing. Spiral dispensing blades are connected to the outer surface of the round rod. A second heating wire arranged in a ring is fixedly connected to the inner wall of the drying tank. A second discharge pipe is connected to the bottom surface of the drying tank. A second valve is installed on the outer surface of the second discharge pipe. A temperature sensor is fixedly installed on the inner wall of the drying tank.

[0006] As a further improvement of this utility model: a controller is fixedly installed on the front of the acid tank, and a first water inlet pipe is connected to the upper surface of the acid tank.

[0007] As a further improvement of this utility model: a water pump is fixedly installed on the upper surface of the workbench, and the input end of the water pump is connected to a second water inlet pipe.

[0008] As a further embodiment of this utility model: the end of the second water inlet pipe away from the water pump is connected to the acid tank, the output end of the water pump is connected to the water outlet pipe, and the end of the water outlet pipe away from the water pump is connected to the mixing tank.

[0009] As a further embodiment of this utility model: the two sides of the supporting legs that are close to each other are fixedly connected to a fixing frame, and a first servo motor is fixedly installed on the upper surface of the fixing frame. The output end of the first servo motor is fixedly connected to the cylinder.

[0010] As a further aspect of this utility model, the cleaning tank is characterized by having a fixed plate fixedly connected to its left side, and a second servo motor fixedly mounted on the upper surface of the fixed plate, the output end of which is fixedly connected to the rotating rod.

[0011] As a further embodiment of this utility model: a fixing block is fixedly connected to the upper surface of the workbench, and a third servo motor is fixedly installed on the upper surface of the fixing block. The output end of the third servo motor is fixedly connected to the round rod.

[0012] As a further improvement of this utility model: the upper surface of the cleaning tank is connected to a third water inlet pipe, and the bottom surface of the cleaning tank is connected to a second drain pipe.

[0013] Compared with the prior art, the beneficial effects of this utility model are: An expanded graphite purification device utilizes a composite structure within a stirring tank, coupled with precise temperature control via a first heating wire, to ensure thorough mixing and reaction of graphite and acid, guaranteeing purification effectiveness. After filtration, the acid is returned to the acid tank via pipeline, improving acid recovery rate, saving costs, and being more environmentally friendly. A cleaning tank employs a rotating rod and cleaning brush for dynamic cleaning, ensuring more thorough removal of residual acid. A spiral distributing blade transports the cleaned material to a drying tank, achieving seamless integration of cleaning and drying. The drying tank's second heating wire and temperature sensor provide precise temperature control, further ensuring product purity. A controller links all components, resulting in a high degree of automation, ensuring consistent product quality across different batches, improving production efficiency, and realizing an integrated and highly efficient purification process. Attached Figure Description

[0014] Figure 1 A three-dimensional structural schematic diagram of an expanded graphite purification device; Figure 2 A rear view of an expanded graphite purification apparatus; Figure 3 A bottom view of an expanded graphite purification device; Figure 4 A rear cross-sectional view of an expanded graphite purification apparatus; Figure 5 This is a frontal cross-sectional view of an expanded graphite purification apparatus.

[0015] In the diagram: 1. Workbench; 2. Mixing tank; 3. Acid tank; 4. Water pump; 5. Filter box; 6. First drain pipe; 7. Filter plate; 8. First bearing; 9. First servo motor; 10. Cylinder; 11. Stirring rod; 12. Stirring column; 13. First heating wire; 14. First discharge pipe; 15. First valve; 16. Second water inlet pipe; 17. Feed hopper; 18. Second servo motor; 19. Cleaning tank; 20. Fixing plate; 21. Second bearing; 22. Rotating element. 23. Rod; 24. Cleaning brush; 25. Third water inlet pipe; 26. Support leg; 27. Fixing block; 28. Third servo motor; 29. ​​Third bearing; 30. Round rod; 31. Spiral distributing blade; 32. Second drain pipe; 33. Second heating wire; 34. Second discharge pipe; 35. Second valve; 36. Drying tank; 37. Guide pipe; 38. First water inlet pipe; 39. Controller; 40. Water outlet pipe; 41. Temperature sensor; 42. Fixing frame; 43. Guide box. Detailed Implementation

[0016] Please see Figures 1-5In this embodiment of the present invention, an expanded graphite purification device includes a workbench 1. An acid tank 3 is fixedly connected to the upper surface of the workbench 1. Four sets of support legs 25 are fixedly connected to the upper surface of the workbench 1. A stirring tank 2, a filter box 5, a washing box 19, and a drying tank 35 are respectively fixedly connected to the upper surfaces of the four sets of support legs 25. A feed hopper 17 is connected to the upper surface of the stirring tank 2. A first bearing 8 is fixedly embedded in the inner bottom wall of the stirring tank 2. A cylinder 10 is fixedly connected to the inner ring of the first bearing 8. A stirring rod arranged at equal intervals is fixedly connected to the outer surface of the cylinder 10. Each stirring rod 11 has equidistantly arranged stirring columns 12 fixedly connected to its outer surface. A first heating wire 13 arranged in a ring is fixedly connected to the inner wall of the stirring tank 2. A first discharge pipe 14 is connected to the bottom of the stirring tank 2. A first valve 15 is installed on the outer surface of the first discharge pipe 14. One end of the first discharge pipe 14 is connected to a filter box 5. A filter plate 7 is fixedly connected to the inner wall of the filter box 5. A first drain pipe 6 is connected to the bottom of the filter box 5. The end of the first drain pipe 6 away from the filter box 5 is connected to an acid tank 3. A guide is connected to the bottom of the filter box 5. Box 42, one end of which is connected to cleaning box 19. A second bearing 21 is fixedly embedded in the inner wall of cleaning box 19. A rotating rod 22 is fixedly connected to the inner ring of the second bearing 21. Cleaning brushes 23 arranged at equal intervals are connected to the outer surface of the rotating rod 22. A guide pipe 36 is fixedly connected to the right side of cleaning box 19. The end of the guide pipe 36 away from cleaning box 19 is connected to drying tank 35. A third bearing 28 is fixedly embedded in the inner wall of cleaning box 19. A round rod 29 is fixedly connected to the inner ring of the third bearing 28. A spiral material distribution device is connected to the outer surface of the round rod 29. The inner wall of the drying tank 35 is fixedly connected to the blades 30 and the second heating wires 32 arranged in a ring. The bottom surface of the drying tank 35 is connected to the second discharge pipe 33. The outer surface of the second discharge pipe 33 is equipped with a second valve 34. The inner wall of the drying tank 35 is fixedly installed with a temperature sensor 40. The process is integrated, the material flows automatically, the efficiency is high, the labor is saved, the mixing is thorough and the temperature control is accurate, the purification effect is good, the acid can be recovered, the cost is saved and the environment is environmentally friendly, the cleaning is thorough, the material conveying is smooth, the drying temperature control is accurate, the product purity is guaranteed, the degree of automation is high, and the quality of different batches is stable.

[0017] A controller 38 is fixedly installed on the front of the acid tank 3. A first water inlet pipe 37 is connected to the upper surface of the acid tank 3. A water pump 4 is fixedly installed on the upper surface of the workbench 1. A second water inlet pipe 16 is connected to the input end of the water pump 4. The end of the second water inlet pipe 16 away from the water pump 4 is connected to the acid tank 3. A water outlet pipe 39 is connected to the output end of the water pump 4. The end of the water outlet pipe 39 away from the water pump 4 is connected to the mixing tank 2. A fixing frame 41 is fixedly connected to the side of the support legs 25 that are close to each other. A first servo motor 9 is fixedly installed on the upper surface of the fixing frame 41. The output end of the first servo motor 9 is fixedly connected to the cylinder 10, which facilitates automatic control, makes operation more convenient, facilitates liquid addition, ensures stable and efficient liquid delivery, stable stirring power, and more uniform mixing.

[0018] A fixing plate 20 is fixedly connected to the left side of the cleaning tank 19. A second servo motor 18 is fixedly installed on the upper surface of the fixing plate 20. The output end of the second servo motor 18 is fixedly connected to the rotating rod 22. A fixing block 26 is fixedly connected to the upper surface of the worktable 1. A third servo motor 27 is fixedly installed on the upper surface of the fixing block 26. The output end of the third servo motor 27 is fixedly connected to the round rod 29. A third water inlet pipe 24 is connected to the upper surface of the cleaning tank 19. A second drain pipe 31 is connected to the bottom surface of the cleaning tank 19. The cleaning power is stable, the cleaning effect is good, the material is conveyed smoothly, and it is convenient to add water and discharge wastewater.

[0019] The working principle of this utility model is as follows: Graphite to be purified is added to the mixing tank 2 through the feed hopper 17. The acid solution in the acid tank 3 is sent into the mixing tank 2 through the water inlet pipe 16, water pump 4, and water outlet pipe 39. The first servo motor 9 drives the cylinder 10, stirring rod 11, and stirring column 12 to rotate. At the same time, the first heating wire 13 heats the mixture, allowing the graphite and acid solution to react fully. After the reaction, the mixture enters the filter box 5 through the first discharge pipe 14 and the first valve 15. The filter plate 7 separates the graphite and acid solution. The acid solution flows back to the acid tank 3 through the first drain pipe 6. The filtered graphite then enters the filter box 5. The cleaning tank 19 has a water inlet 24 through which clean water is introduced. The second servo motor 18 drives the rotating rod 22 and the cleaning brush 23 to clean the graphite. The wastewater is discharged through the second drain pipe 31. The cleaned graphite is pushed by the round rod 29 and the spiral distributing blade 30 driven by the third servo motor 27 and enters the drying tank 35 through the guide pipe 36. The second heating wire 32 heats and dries the graphite. The temperature sensor 40 monitors the temperature. After drying, the graphite is discharged through the second discharge pipe 33 and the second valve 34. The whole process is controlled by the controller 38. The acid tank 3 can be replenished with liquid through the water inlet 37.

[0020] The above description is merely a preferred embodiment of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalent elements of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An expanded graphite purification device, characterized in that, The system includes a workbench (1), an acid tank (3) fixedly connected to the upper surface of the workbench (1), four sets of support legs (25) fixedly connected to the upper surface of the workbench (1), and a mixing tank (2), a filter box (5), a washing box (19), and a drying tank (35) fixedly connected to the upper surfaces of the four sets of support legs (25), respectively. A feed hopper (17) is connected to the upper surface of the mixing tank (2), and a first bearing (8) is fixedly embedded in the inner bottom wall of the mixing tank (2). A cylinder (10) is fixedly connected to the inner ring of the first bearing (8), and a [missing information - likely a component or structure] is fixedly connected to the outer surface of the cylinder (10). The stirring rods (11) are arranged at equal intervals. Each stirring rod (11) has a stirring column (12) arranged at equal intervals fixedly connected to its outer surface. The inner wall of the stirring tank (2) is fixedly connected to a first heating wire (13) arranged in a ring. The bottom surface of the stirring tank (2) is connected to a first discharge pipe (14). The outer surface of the first discharge pipe (14) is equipped with a first valve (15). One end of the first discharge pipe (14) is connected to a filter box (5). The inner wall of the filter box (5) is fixedly connected to a filter plate (7). The bottom surface of the filter box (5) is connected to a first drain pipe (6). The first drain pipe (6) is connected to the acid tank (3) at the end away from the filter box (5). The bottom surface of the filter box (5) is connected to a guide box (42). One end of the guide box (42) is connected to the cleaning box (19). The inner wall of the cleaning box (19) is fixedly inlaid with a second bearing (21). The inner ring of the second bearing (21) is fixedly connected to a rotating rod (22). The outer surface of the rotating rod (22) is connected to cleaning brushes (23) arranged at equal intervals. The right side of the cleaning box (19) is fixedly connected to a guide pipe (36). The guide pipe (36) is away from the cleaning box (19). One end is connected to the drying tank (35). The inner wall of the cleaning tank (19) is fixedly inlaid with a third bearing (28). The inner ring of the third bearing (28) is fixedly connected with a round rod (29). The outer surface of the round rod (29) is connected with a spiral distributing blade (30). The inner wall of the drying tank (35) is fixedly connected with a second heating wire (32) arranged in a ring. The bottom surface of the drying tank (35) is connected to a second discharge pipe (33). The outer surface of the second discharge pipe (33) is equipped with a second valve (34). The inner wall of the drying tank (35) is fixedly installed with a temperature sensor (40).

2. The expanded graphite purification apparatus according to claim 1, characterized in that, A controller (38) is fixedly installed on the front of the acid tank (3), and a first water inlet pipe (37) is connected to the upper surface of the acid tank (3).

3. The expanded graphite purification apparatus according to claim 1, characterized in that, A water pump (4) is fixedly installed on the upper surface of the workbench (1), and the input end of the water pump (4) is connected to a second water inlet pipe (16).

4. The expanded graphite purification apparatus according to claim 3, characterized in that, The end of the second water inlet pipe (16) away from the water pump (4) is connected to the acid tank (3), and the output end of the water pump (4) is connected to the water outlet pipe (39). The end of the water outlet pipe (39) away from the water pump (4) is connected to the mixing tank (2).

5. The expanded graphite purification apparatus according to claim 1, characterized in that, The supporting legs (25) are fixedly connected to a fixed frame (41) on their adjacent sides. A first servo motor (9) is fixedly installed on the upper surface of the fixed frame (41). The output end of the first servo motor (9) is fixedly connected to the cylinder (10).

6. The expanded graphite purification apparatus according to claim 1, characterized in that, A fixing plate (20) is fixedly connected to the left side of the cleaning tank (19), and a second servo motor (18) is fixedly installed on the upper surface of the fixing plate (20). The output end of the second servo motor (18) is fixedly connected to the rotating rod (22).

7. The expanded graphite purification apparatus according to claim 1, characterized in that, A fixing block (26) is fixedly connected to the upper surface of the workbench (1), and a third servo motor (27) is fixedly installed on the upper surface of the fixing block (26). The output end of the third servo motor (27) is fixedly connected to the round rod (29).

8. The expanded graphite purification apparatus according to claim 1, characterized in that, The upper surface of the cleaning tank (19) is connected to a third water inlet pipe (24), and the bottom surface of the cleaning tank (19) is connected to a second drain pipe (31).

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