Tunnel type drying device for spherical graphite processing

Abstract

The utility model relates to the field of graphite drying devices, and discloses a tunnel type drying device for spherical graphite processing, which comprises a base, the upper surface of the base is fixedly connected with a drying box, the outer wall of the drying box is fixedly connected with a baffle, the base is internally provided with a conveyor belt, the inner top of the drying box is fixedly connected with an air outlet pipe, and the air outlet pipe is fixedly connected with an air outlet pipe. A first exhaust pipe is fixedly connected to the outer wall of the air outlet pipe, a filter box is fixedly connected to the outer wall of the first exhaust pipe, a filter plate is slidably connected into the filter box, a high-temperature vacuum pump is fixedly connected to the upper surface of the drying box, and a second exhaust pipe is fixedly connected to the input end of the high-temperature vacuum pump. According to the utility model, through the cooperation of the air outlet pipe, the first exhaust pipe, the filter box, the high-temperature vacuum pump, the second exhaust pipe, the conveying pipe, the filter plate, the heat exchanger, the exhaust pipe, the heating box, the heating plate and the hot-air blower, the effect of effectively recycling and reusing the opening is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite drying devices, in particular to a tunnel type drying device for processing spherical graphite. Background Art

[0002] Spherical graphite is a high-quality material processed from natural graphite. It is made by surface-modifying high-quality high-carbon natural flake graphite and processing natural graphite into spherical or quasi-spherical shapes. Spherical graphite material has higher first coulomb efficiency and cycle stability, and is now widely used in negative electrode materials for lithium-ion batteries.

[0003] In the processing of spherical graphite, after the natural graphite is crushed, it is necessary to carry out solvent purification treatment. After the purification treatment, the graphite material needs to be dried to reduce the moisture content of the graphite material. Ordinary graphite drying devices generally only directly deliver hot air to the graphite material for drying during the drying process. There is no special water vapor exhaust channel, and the heated air will not be preheated and recovered, which wastes a lot of heat. Summary of the invention

[0004] In order to make up for the above shortcomings, the utility model provides a tunnel drying device for spherical graphite processing, aiming to improve the problem that traditional drying devices cannot preheat and recycle the heated air, thus wasting a lot of heat.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a tunnel drying device for processing spherical graphite, comprising a base, the upper surface of the base is fixedly connected to a drying box, the outer wall of the drying box is fixedly connected to a baffle, a conveyor belt is arranged inside the base, an inner top of the drying box is fixedly connected to an air outlet pipe, the outer wall of the air outlet pipe is fixedly connected to an exhaust pipe 1, the outer wall of the exhaust pipe 1 is fixedly connected to a filter box, a filter plate is slidably connected to the inside of the filter box, a high-temperature vacuum pump is fixedly connected to the upper surface of the drying box, an exhaust pipe 2 is fixedly connected to the input end of the high-temperature vacuum pump, the outer wall of the exhaust pipe 2 is fixedly connected to the inside of the filter box, the output end of the high-temperature vacuum pump is fixedly connected to a delivery pipe, the outer wall of the delivery pipe is fixedly connected to a heat exchanger, the output end of the heat exchanger is fixedly connected to an exhaust pipe, the outer wall of the exhaust pipe is fixedly connected to a heating box, and a heating assembly is arranged inside the heating box.

[0006] Furthermore, the heating assembly includes a heating plate, an outer wall of the heating plate is fixedly connected to the inner top of the heating box, a hot air blower is fixedly connected to the bottom end of the heating box, and an air vent is opened through the interior of the heating box.

[0007] Furthermore, a motor 1 is fixedly connected to the interior of the base, a rotating rod is fixedly connected to the output end of the motor 1, and a brush roller is fixedly connected to the outer wall of the rotating rod.

[0008] Furthermore, a support plate is fixedly connected to the upper surface of the base, a fixing plate is fixedly connected to the outer wall of the support plate, and a plurality of fans are fixedly connected to the interior of the fixing plate.

[0009] Furthermore, the outer wall of the support plate is fixedly connected with a collection box, the top of the collection box is slidably connected with a sealing plate, the lower surface of the sealing plate is fixedly connected with a connecting plate, and the lower surface of the connecting plate is fixedly connected with a filter.

[0010] Furthermore, an air pump is fixedly connected to the upper surface of the sealing plate, an air pump input end is fixedly connected to an air pump pipe three, and an outer wall of the air pump pipe three is fixedly connected to the inside of the collection box.

[0011] Furthermore, a plurality of dust suction pipes are fixedly connected to the bottom end of the collection box, and a suction nozzle is fixedly connected to the bottom end of each of the dust suction pipes.

[0012] Furthermore, the outer wall of the base is fixedly connected to a left-right symmetrical fixed block, the outer wall of the fixed block is rotatably connected to a discharge hopper, the outer wall of the discharge hopper is fixedly connected to a worm gear, the outer wall of the base is fixedly connected to motor 2, the output end of motor 2 is fixedly connected to a worm, and the worm and worm gear are meshed.

[0013] The utility model has the following beneficial effects:

[0014] In the utility model, through the coordination among the air outlet pipe, the air extraction pipe 1, the filter box, the high-temperature vacuum pump, the air extraction pipe 2, the delivery pipe, the filter plate, the heat exchanger, the exhaust pipe, the heating box, the heating plate and the hot air blower, the effect of effectively recycling and reusing the air is achieved, and at the same time, the collected air is filtered to increase the service life of the drying device, solving the problem that the traditional drying device cannot preheat and recycle the heated air, thus wasting a lot of heat.

[0015] In the utility model, through the cooperation among the motor 1, the rotating rod, the brush tube, the supporting plate, the fixing plate, the fan, the collecting box, the filter screen, the connecting plate, the sealing plate, the vacuum pump, the vacuum tube 3, the dust suction tube and the suction nozzle, the graphite dust can be effectively cleaned and collected, and the problem that the small particles of graphite falling onto the conveyor belt easily affect the service life of the conveyor belt and are inconvenient to clean is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of a tunnel-type drying device for processing spherical graphite proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of a drying box of a tunnel-type drying device for processing spherical graphite proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of a filter box of a tunnel drying device for spherical graphite processing proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of a heating box of a tunnel-type drying device for processing spherical graphite proposed by the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the rotating rod part of a tunnel drying device for processing spherical graphite proposed by the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the support plate portion of a tunnel-type drying device for processing spherical graphite proposed by the utility model;

[0022] Figure 7 This is a schematic diagram of the internal structure of a collection box of a tunnel-type drying device for spherical graphite processing proposed by the utility model;

[0023] Figure 8 The present invention is a schematic diagram of the motor structure of a tunnel drying device for processing spherical graphite proposed by the present invention.

[0024] Legend:

[0025] 1. Base; 2. Drying box; 3. Baffle; 4. Conveyor belt; 5. Exhaust pipe; 6. Exhaust pipe 1; 7. Filter box; 8. High-temperature vacuum pump; 9. Exhaust pipe 2; 10. Delivery pipe; 11. Filter plate; 12. Heat exchanger; 13. Exhaust pipe; 14. Heating box; 15. Heating plate; 16. Hot air blower; 17. Air vent; 18. Motor 1; 19. Rotating rod; 20. Brush roller; 21. Support plate; 22. Fixed plate; 23. Fan; 24. Collecting box; 25. Filter; 26. Connecting plate; 27. Sealing plate; 28. Exhaust pump; 29. ​​Exhaust pipe 3; 30. Dust suction pipe; 31. Suction nozzle; 32. Discharge hopper; 33. Fixed block; 34. Worm gear; 35. Worm; 36. Motor 2. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Reference Figure 1-Figure 4 , an embodiment provided by the utility model: a tunnel drying device for processing spherical graphite, comprising a base 1, a drying box 2 is fixedly connected to the upper surface of the base 1, a baffle 3 is fixedly connected to the outer wall of the drying box 2, a conveyor belt 4 is arranged inside the base 1, an air outlet pipe 5 is fixedly connected to the inner top of the drying box 2, an exhaust pipe 6 is fixedly connected to the outer wall of the exhaust pipe 5, a filter box 7 is fixedly connected to the outer wall of the exhaust pipe 6, a filter plate 11 is slidably connected to the inside of the filter box 7, a high-temperature vacuum pump 8 is fixedly connected to the upper surface of the drying box 2, an exhaust pipe 9 is fixedly connected to the input end of the high-temperature vacuum pump 8, the outer wall of the exhaust pipe 9 is fixedly connected to the inside of the filter box 7, a delivery pipe 10 is fixedly connected to the output end of the high-temperature vacuum pump 8, a heat exchanger 12 is fixedly connected to the outer wall of the delivery pipe 10, a heat exchanger 12 is fixedly connected to the output end of the heat exchanger 12, an exhaust pipe 13 is fixedly connected to the outer wall of the exhaust pipe 13, a heating box 14 is fixedly connected to the outer wall of the heating box 14, and a heating component is arranged inside the heating box 14.

[0028] Specifically, when it is necessary to dry the graphite, the graphite is first placed on the conveyor belt 4, which will drive the graphite to move toward the drying box 2 to ensure that the graphite enters the drying box 2 evenly. A heating plate 15 and a hot air blower 16 are arranged inside the drying box 2 to fully dry the graphite. The heating plate 15 provides a stable heat source, and the hot air blower 16 is responsible for discharging the air in the drying box 2 to ensure that the graphite is heated evenly. In addition, the device is also equipped with a heat energy recovery system. When the drying is completed, the high-temperature vacuum pump 8 will draw away the air in the filter box 7 through the exhaust pipe to generate suction, and the high-temperature gas in the exhaust pipe 5 is sucked into the filter box 7. The filter plate 11 in the filter box 7 filters the high-temperature gas, and the cleaned gas is discharged into the heat exchange tube through the conveying pipe 10, and then returns to the heating box 14 after being heated again, so as to increase the air temperature in the heating box 14. This design not only effectively recovers heat energy and reduces energy consumption, but also improves the operating efficiency of the entire device.

[0029] Reference Figure 4-7The heating assembly includes a heating plate 15, the outer wall of the heating plate 15 is fixedly connected to the inner top of the heating box 14, the bottom end of the heating box 14 is fixedly connected to a hot air blower 16, the interior of the heating box 14 is penetrated by an air vent 17, the interior of the base 1 is fixedly connected to a motor 18, the output end of the motor 18 is fixedly connected to a rotating rod 19, the outer wall of the rotating rod 19 is fixedly connected to a brush roller 20, the upper surface of the base 1 is fixedly connected to a support plate 21, the outer wall of the support plate 21 is fixedly connected to a fixing plate 22, and the interior of the fixing plate 22 is fixedly connected to a plurality of fans 2 3. The outer wall of the support plate 21 is fixedly connected to a collecting box 24, the top of the collecting box 24 is slidably connected to a sealing plate 27, the lower surface of the sealing plate 27 is fixedly connected to a connecting plate 26, the lower surface of the connecting plate 26 is fixedly connected to a filter screen 25, the upper surface of the sealing plate 27 is fixedly connected to an exhaust pump 28, the input end of the exhaust pump 28 is fixedly connected to an exhaust pipe three 29, the outer wall of the exhaust pipe three 29 is fixedly connected to the inside of the collecting box 24, the bottom end of the collecting box 24 is fixedly connected to a plurality of dust suction pipes 30, and the bottom ends of the dust suction pipes 30 are fixedly connected to suction nozzles 31.

[0030] Specifically, before the graphite enters the drying box 2, the device is equipped with an advanced dust cleaning system. The system drives the brush roller 20 to rotate through a motor to efficiently clean the dust on the surface of the graphite. At the same time, the fan 23 connected to the fixed plate 22 will blow up the dust, and cooperate with the vacuum pump 28 and the dust suction pipe 30 to suck the dust into the collection box 24. A filter screen 25 is provided inside the collection box 24 to effectively prevent dust from entering the vacuum pump 28 and protect the normal operation of the vacuum pump 28.

[0031] Reference Figure 8 The outer wall of the base 1 is fixedly connected to a left-right symmetrical fixed block 33, the outer wall of the fixed block 33 is rotatably connected to a discharge hopper 32, the outer wall of the discharge hopper 32 is fixedly connected to a worm gear 34, the outer wall of the base 1 is fixedly connected to a motor 2 35, the output end of the motor 2 35 is fixedly connected to a worm 36, and the worm 36 and the worm gear 34 are meshed.

[0032] Specifically, finally, when the graphite is dried, the motor drives the worm 35 and the worm wheel 34 to rotate, driving the discharge hopper 32 to rotate slowly, so that the dried graphite slowly falls. This design prevents damage caused by the graphite sliding too fast and ensures the quality of the graphite.

[0033] Working principle: when the device needs to be used, first put the graphite to be dried on the upper surface of the conveyor belt 4, start the conveyor belt 4 to move the graphite toward the drying box 2, when the dust generated by the graphite needs to be cleaned, start the motor 18 to drive the rotating rod 19 and the brush roller 20 to rotate, and clean the dust on the surface of the graphite by the rotation of the brush roller 20, and at the same time limit the position of the graphite, then start the fan 23 connected to the fixed plate 22 to blow up the dust, and then start the vacuum pump 28 to extract the air inside the collection box 24 through the vacuum pipe 3 29, and the air inside the collection box 24 is reduced to generate pressure, and the dust is sucked into the collection box 24 through the dust suction pipe 30 and the suction nozzle 31 connected to the collection box 24, and the dust is blocked by the filter screen 25 inside the collection box 24 to prevent the dust from entering the vacuum pump 28. When the graphite needs to be dried, start the heating plate 15 inside the heating box 14, and start The hot air blower 16 exhausts the air inside the heating box 14 and fully dries the graphite inside the drying box 2. When it is necessary to recycle the hot air after drying, the high-temperature vacuum pump 8 is started to extract the air inside the filter box 7 through the exhaust pipe 2 9, and then the pressure inside the filter box 7 is reduced to generate suction, and the high-temperature gas inside the outlet pipe 5 is sucked into the inside of the filter box 7 through the exhaust pipe 1 6, and then the high-temperature gas is filtered by the filter plate 11 inside the filter box 7, and the high-temperature vacuum pump 8 discharges the gas to the inside of the heat exchange pipe through the conveying pipe 10, and the heated air is discharged to the inside of the heating box 14 through the heat exchange pipe to increase the temperature of the air inside the heating box 14. Finally, the motor 2 36 is started to rotate the worm 35, and the worm 35 rotates the worm wheel 34, and the rotation of the worm wheel 34 rotates the discharging hopper 32, and the dried graphite falls slowly through the discharging shaker to prevent the graphite from sliding too fast and causing damage.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A tunnel drying device for processing spherical graphite, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected to a drying box (2), the outer wall of the drying box (2) is fixedly connected to a baffle (3), a conveyor belt (4) is arranged inside the base (1), an air outlet pipe (5) is fixedly connected to the inner top of the drying box (2), an air extraction pipe (6) is fixedly connected to the outer wall of the air outlet pipe (5), a filter box (7) is fixedly connected to the outer wall of the air extraction pipe (6), a filter plate (11) is slidably connected to the interior of the filter box (7), and a high-temperature vacuum filter (11) is fixedly connected to the upper surface of the drying box (2). A pump (8), the input end of the high-temperature vacuum pump (8) is fixedly connected to an exhaust pipe (9), the outer wall of the exhaust pipe (9) is fixedly connected to the inside of the filter box (7), the output end of the high-temperature vacuum pump (8) is fixedly connected to a delivery pipe (10), the outer wall of the delivery pipe (10) is fixedly connected to a heat exchanger (12), the output end of the heat exchanger (12) is fixedly connected to an exhaust pipe (13), the outer wall of the exhaust pipe (13) is fixedly connected to a heating box (14), and a heating component is arranged inside the heating box (14).

2. A tunnel drying device for spherical graphite processing according to claim 1, characterized in that: The heating assembly comprises a heating plate (15), the outer wall of the heating plate (15) is fixedly connected to the inner top of the heating box (14), the bottom end of the heating box (14) is fixedly connected to a hot air blower (16), and an air vent (17) is provided through the interior of the heating box (14).

3. The tunnel drying device for spherical graphite processing according to claim 1, characterized in that: A motor 1 (18) is fixedly connected inside the base (1), a rotating rod (19) is fixedly connected to the output end of the motor 1 (18), and a brush roller (20) is fixedly connected to the outer wall of the rotating rod (19).

4. The tunnel drying device for spherical graphite processing according to claim 1, characterized in that: A support plate (21) is fixedly connected to the upper surface of the base (1), a fixing plate (22) is fixedly connected to the outer wall of the support plate (21), and a plurality of fans (23) are fixedly connected to the interior of the fixing plate (22).

5. A tunnel drying device for spherical graphite processing according to claim 4, characterized in that: The outer wall of the support plate (21) is fixedly connected to a collection box (24), the top of the collection box (24) is slidably connected to a sealing plate (27), the lower surface of the sealing plate (27) is fixedly connected to a connecting plate (26), and the lower surface of the connecting plate (26) is fixedly connected to a filter screen (25).

6. A tunnel drying device for spherical graphite processing according to claim 5, characterized in that: An air pump (28) is fixedly connected to the upper surface of the sealing plate (27), an input end of the air pump (28) is fixedly connected to an air pump three (29), and an outer wall of the air pump three (29) is fixedly connected to the interior of the collection box (24).

7. A tunnel drying device for spherical graphite processing according to claim 6, characterized in that: A plurality of dust suction pipes (30) are fixedly connected to the bottom end of the collection box (24), and a suction nozzle (31) is fixedly connected to the bottom end of each of the dust suction pipes (30).

8. The tunnel drying device for spherical graphite processing according to claim 1, characterized in that: The outer wall of the base (1) is fixedly connected to a bilaterally symmetrical fixed block (33), the outer wall of the fixed block (33) is rotatably connected to a discharge hopper (32), the outer wall of the discharge hopper (32) is fixedly connected to a worm gear (34), the outer wall of the base (1) is fixedly connected to a second motor (35), the output end of the second motor (35) is fixedly connected to a worm (36), and the worm (36) and the worm gear (34) are meshed.

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