Tail gas spraying device of graphite negative electrode material continuous coating granulation reaction kettle

Abstract

The utility model relates to the technical field of tail gas treatment, in particular to a tail gas spraying device of a graphite cathode material continuous coating granulation reaction kettle, which can uniformly spray, ensure the sufficiency of spraying treatment and improve the treatment effect. Comprising a treatment box, a partition plate, an air inlet assembly, a spraying assembly and a dehumidification assembly, the partition plate is fixedly installed in the treatment box and divides the interior of the treatment box into a spraying cavity and a drying cavity, the air inlet assembly is installed on the side wall of the lower portion of the treatment box, the output end of the air inlet assembly is located in the treatment box, and the spraying assembly is installed at the top end of the treatment box; the output end of the spraying assembly is located in the spraying cavity, and the dehumidifying assembly is installed in the drying cavity.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas treatment, in particular to a tail gas spraying device for a graphite negative electrode material continuous coating granulation reaction kettle. Background Art

[0002] At present, the positive electrode of lithium-ion batteries generally uses spinel lithium permanganate or nickel-based layered oxides, and the negative electrode is mainly graphite. The energy density of lithium-ion batteries depends to a large extent on the negative electrode material. From the commercialization of lithium-ion batteries to the present, the most mature and widely used negative electrode materials are carbon materials, among which graphite is still the most important. Reactor graphite granulation is a method widely used in the field of chemical metallurgy, which can prepare high-purity graphite particles. This method mainly heats the carbon source under high temperature, high pressure and inert atmosphere, and the generated carbon atoms crystallize to form graphite particles under the action of graphite template. In this process, a large amount of gas will be generated. If these waste gases are directly discharged into the atmosphere, it will cause serious environmental pollution. Prior art publication number CN107854932A proposes a spray device for chemical waste gas treatment, including a spray box, an air pump and a spray pipe, both ends of the spray pipe are provided with support frames, the side wall of the spray box is provided with an air outlet, a filter is provided below the spray pipe, a liquid storage tank is provided below the filter, a liquid storage tank is provided below the liquid storage tank, a water pump is provided inside the liquid storage tank, one side of the water pump is connected to a water pipe, and one end of the water pipe is connected to the spray pipe. However, the spray treatment is not sufficient, and the particulate matter in the waste gas is not completely settled by one spray. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a graphite negative electrode material continuous coating granulation reactor tail gas spraying device which can perform uniform spraying, ensure the adequacy of spraying treatment, and improve the treatment effect.

[0004] The utility model discloses an exhaust gas spraying device for a graphite negative electrode material continuous coating granulation reactor, comprising a treatment box, a partition, an air intake component, a spray component and a dehumidification component. The partition is fixedly installed inside the treatment box to divide the inside of the treatment box into a spray chamber and a drying chamber. The air intake component is installed on the lower side wall of the treatment box, and the output end of the air intake component is located inside the treatment box. The spray component is installed on the top of the treatment box, and the output end of the spray component is located in the spray chamber. The dehumidification component is installed in the drying chamber. The exhaust gas is extracted through the air intake component and evenly input into the inside of the treatment box. The treatment liquid can be evenly sprayed into the spray chamber through the spray component to ensure the adequacy of the spray treatment and improve the treatment effect. The exhaust gas is dried through the dehumidification component to prevent the exhaust gas from corroding the exhaust pipe and reducing its service life.

[0005] Preferably, the spray assembly includes a supporting swivel, a sealing swivel, a center rod, a spray plate, a plurality of atomizing nozzles and a driving assembly. The supporting swivel is fixedly mounted on the upper inner wall of the processing box, the sealing swivel is sealingly rotatably mounted on the supporting swivel, the top of the sealing swivel is in sealing contact with the bottom of the partition, the bottom end of the sealing swivel is fixedly mounted with a spray plate, and a plurality of atomizing nozzles are evenly mounted on the spray plate. The center rod rotates through the processing box and the partition to be connected with the middle part of the top of the spray plate. The interior of the center rod is hollow, and connecting holes are provided at corresponding positions of the outer wall of the center rod and the interior of the sealing swivel. Liquid is input into the center rod, enters the sealing swivel through the connecting hole, and is sprayed into the spray chamber of the processing box through the atomizing nozzle. The driving assembly can drive the spray plate to rotate to rotate the atomizing nozzle, thereby forming a water curtain in the spray chamber, thereby ensuring the adequacy of the spray treatment and improving the treatment effect.

[0006] Preferably, the driving assembly includes a bevel gear, a transmission, a driving bevel gear, a driving motor and a protective cover. The bevel gear is mounted on the upper outer wall of the center rod. The output end of the transmission is equipped with a driving bevel gear, which meshes with the bevel gear. The output end of the transmission is connected to the output end of the driving motor. The protective cover is installed on the top of the processing box, and the transmission and the driving motor are installed inside the protective cover. Starting the driving motor drives the driving bevel gear to rotate through the transmission, and the driving bevel gear drives the center rod to rotate by cooperating with the bevel gear, so that the center rod drives the spray plate to rotate. The structure is simple and can increase the processing effect.

[0007] Preferably, the air intake assembly includes an exhaust pump, a bracket, an air pipe, a distribution box, a mounting bracket and a plurality of air outlet heads. The exhaust pump is mounted on the lower portion of the outer wall of the treatment box through the bracket. The output end of the exhaust pump is connected to the air pipe, which is located in the spray chamber of the treatment box, and the output end of the air pipe is connected to the distribution box. The distribution box is mounted on the inner wall of the spray chamber through the mounting bracket, and a plurality of air outlet heads are evenly mounted on the top of the distribution box. The exhaust pump is started to extract the exhaust gas, which is input into the distribution box through the air pipe, and then evenly input into the spray chamber through a plurality of air outlet heads, so that the exhaust gas is evenly distributed.

[0008] Preferably, the dehumidification component includes multiple connecting pipes, desiccants and exhaust pipes. The multiple connecting pipes are axially and evenly installed on the outer wall of the processing box. The input end of the connecting pipe is connected to the upper part of the spray chamber, and the output end of the connecting pipe is connected to the drying chamber. The desiccant is installed in the dehumidifier, and the exhaust pipe is installed at the top of the processing box. The input end of the exhaust pipe is connected to the drying chamber; the exhaust gas after spraying is input into the drying chamber through multiple connecting pipes, and the exhaust gas is dried by the desiccant and then discharged through the exhaust pipe, thereby reducing the water content in the exhaust gas and improving the service life of the equipment.

[0009] Preferably, it also includes a filter screen, a discharge pipe and a connecting rotor, the filter screen is installed between the outer wall of the distribution box and the inner wall of the treatment box, the input end of the discharge pipe is connected to the interior of the treatment box, a valve is provided on the discharge pipe, and the connecting rotor is installed at the input end of the center rod; the falling liquid is filtered through the filter screen, and the treated liquid is discharged outwardly through the discharge pipe, and the connecting rotor can facilitate the connection between the treated liquid input pipe and the center rod.

[0010] Preferably, it also includes multiple spray pipes and bearings. The bottom end of the center rod is connected to the top end of the distribution box through the bearing. The multiple spray pipes are axially and evenly installed on the outer wall of the center rod. The input end of the spray pipe is connected to the interior of the center rod. Multiple spray holes are evenly opened on the spray pipe. When the center rod rotates, it drives the spray pipe to rotate in the spray chamber, further improving the spray effect and ensuring the adequacy of the spray treatment.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the exhaust gas is extracted through the air intake component and evenly input into the interior of the treatment box; the treatment liquid can be evenly sprayed into the spray chamber through the spray component to ensure the adequacy of the spray treatment and improve the treatment effect; the exhaust gas is dried through the dehumidification component to avoid exhaust gas corrosion to the exhaust pipe and reduce its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a front structural schematic diagram of the utility model;

[0014] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0015] Figure 4 It is a front cross-sectional structural schematic diagram of the utility model;

[0016] Figure 5 It is a right side cross-sectional structural schematic diagram of the utility model;

[0017] Markings in the attached drawings: 1. treatment box; 2. partition; 3. support swivel; 4. sealing swivel; 5. center rod; 6. spray plate; 7. atomizing nozzle; 8. spray pipe; 9. vacuum pump; 10. bracket; 11. gas pipe; 12. distribution box; 13. mounting frame; 14. gas outlet; 15. connecting pipe; 16. desiccant; 17. exhaust pipe; 18. filter; 19. discharge pipe; 20. bevel gear; 21. transmission; 22. driving bevel gear; 23. driving motor; 24. protective cover; 25. connecting swivel; 26. bearing. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] like Figures 1 to 5 As shown, the partition 2 is fixedly installed inside the processing box 1, dividing the inside of the processing box 1 into a spray chamber and a drying chamber, the support swivel 3 is fixedly installed on the upper inner wall of the processing box 1, the sealing swivel 4 is sealingly rotatably installed on the support swivel 3, the top of the sealing swivel 4 is in sealing contact with the bottom of the partition 2, and the bottom of the sealing swivel 4 is fixedly installed with a spray plate 6, and a plurality of atomizing nozzles 7 are evenly installed on the spray plate 6. The center rod 5 rotates through the processing box 1 and the partition 2 and is connected to the middle of the top of the spray plate 6. The center rod 5 is hollow inside. The outer wall of the center rod 5 and the inner corresponding position of the sealing swivel 4 are provided with a connecting hole, the bevel gear 20 is sleeved on the upper outer wall of the center rod 5, the output end of the transmission 21 is provided with a driving bevel gear 22, the driving bevel gear 22 is meshed with the bevel gear 20, the output end of the transmission 21 is connected with the output end of the driving motor 23, the protective cover 24 is installed on the top of the processing box 1, the transmission 21 and the driving motor 23 are installed inside the protective cover 24, the vacuum pump 9 is installed at the lower part of the outer wall of the processing box 1 through the bracket 10, and the output of the vacuum pump 9 is connected to the output end of the driving motor 23. The outlet end is connected with an air delivery pipe 11, which is located in the spray chamber of the processing box 1, and the output end of the air delivery pipe 11 is connected with a distribution box 12, which is installed on the inner wall of the spray chamber through a mounting frame 13, and a plurality of air outlet heads 14 are evenly installed on the top of the distribution box 12, and a plurality of connecting pipes 15 are evenly installed axially on the outer wall of the processing box 1, the input end of the connecting pipe 15 is connected with the upper part of the spray chamber, and the output end of the connecting pipe 15 is connected with the drying chamber, the desiccant 16 is installed in the dehumidifier, and the exhaust pipe 17 is installed on the top of the processing box 1 The input end of the exhaust pipe 17 is connected to the drying chamber, the filter screen 18 is installed between the outer wall of the distribution box 12 and the inner wall of the processing box 1, the input end of the discharge pipe 19 is connected to the inside of the processing box 1, and a valve is provided on the discharge pipe 19. The connecting turntable 25 is installed at the input end of the center rod 5, and the bottom end of the center rod 5 is connected to the top end of the distribution box 12 through a bearing 26. A plurality of spray pipes 8 are evenly installed axially on the outer wall of the center rod 5, and the input end of the spray pipe 8 is connected to the inside of the center rod 5. A plurality of spray holes are evenly opened on the spray pipe 8;

[0020] Start the vacuum pump 9 to extract the exhaust gas, input it into the distribution box 12 through the air pipe 11, and then evenly input it into the spray chamber through multiple air outlet heads 14 to make the exhaust gas evenly distributed. The treatment liquid input pipe can be conveniently connected to the center rod 5 through the connecting head 25. The liquid is input into the center rod 5, enters the sealing swivel 4 through the connecting hole, and is sprayed into the spray chamber of the treatment box 1 through the atomizing nozzle 7. Start the drive motor 23 to drive the driving bevel gear 22 to rotate through the transmission 21. The driving bevel gear 22 drives the center rod 5 to rotate by cooperating with the bevel gear 20, so that the center rod 5 drives the spray plate 6 to rotate. The structure The invention is simple and can increase the treatment effect. The spray plate 6 rotates to rotate the atomizing nozzle 7, forming a water curtain in the spray chamber to ensure the adequacy of the spray treatment and improve the treatment effect. When the center rod 5 rotates, it drives the spray pipe 8 to rotate in the spray chamber to further improve the spray effect and ensure the adequacy of the spray treatment. The exhaust gas after spraying is input into the dehumidification chamber through a plurality of connecting pipes 15, and the exhaust gas is dried by the desiccant 16, and then discharged through the exhaust pipe 17, so as to reduce the water content in the exhaust gas and increase the service life of the equipment. The falling liquid is filtered by the filter net 18, and the treated liquid is discharged outwardly through the discharge pipe 19.

[0021] like Figures 1 to 5 As shown, the utility model is a graphite negative electrode material continuous coating granulation reactor tail gas spraying device. When it is working, the exhaust pump 9 is started to extract the tail gas, which is input into the distribution box 12 through the gas pipe 11, and then evenly input into the spray chamber through multiple gas outlet heads 14, so that the tail gas is evenly distributed. The treatment liquid input pipe is connected to the input end of the center rod 5 through the connecting swivel 25, and the liquid is input into the center rod 5, enters the sealing swivel 4 through the connecting hole, and is sprayed into the spray chamber of the treatment box 1 through the atomizing nozzle 7, and the driving electric is started. The machine 23 drives the driving bevel gear 22 to rotate through the transmission 21, and the driving bevel gear 22 drives the center rod 5 to rotate by cooperating with the bevel gear 20, so that the center rod 5 drives the spray plate 6 to rotate, and the rotation of the spray plate 6 causes the atomizing nozzle 7 to rotate, forming a water curtain in the spray chamber to ensure the adequacy of the spray treatment. When the center rod 5 rotates, it drives the spray pipe 8 to rotate in the spray chamber. The exhaust gas after spraying is input into the dehumidification chamber through multiple connecting pipes 15, and the exhaust gas is dried by the desiccant 16, and then discharged through the exhaust pipe 17.

[0022] The vacuum pump 9, transmission 21 and drive motor 23 of the tail gas spraying device of the continuous coating granulation reactor of graphite negative electrode material of the utility model are purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0023] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A graphite negative electrode material continuous coating granulation reactor tail gas spraying device, characterized in that: The invention comprises a processing box (1), a partition (2), an air intake assembly, a spray assembly and a dehumidification assembly, wherein the partition (2) is fixedly mounted inside the processing box (1) to divide the inside of the processing box (1) into a spray chamber and a drying chamber, the air intake assembly is mounted on the lower side wall of the processing box (1), and the output end of the air intake assembly is located inside the processing box (1), the spray assembly is mounted on the top of the processing box (1), and the output end of the spray assembly is located in the spray chamber, and the dehumidification assembly is mounted in the drying chamber.

2. A graphite negative electrode material continuous coating granulation reactor tail gas spraying device as claimed in claim 1, characterized in that: The spray assembly comprises a supporting swivel (3), a sealing swivel (4), a center rod (5), a spray plate (6), a plurality of atomizing nozzles (7) and a driving assembly. The supporting swivel (3) is fixedly mounted on the upper inner wall of the processing box (1). The sealing swivel (4) is sealingly rotatably mounted on the supporting swivel (3). The top end of the sealing swivel (4) is in sealing contact with the bottom of the partition (2). The bottom end of the sealing swivel (4) is fixedly mounted with a spray plate (6). The plurality of atomizing nozzles (7) are evenly mounted on the spray plate (6). The center rod (5) rotatably penetrates the processing box (1) and the partition (2) and is connected to the middle of the top end of the spray plate (6). The center rod (5) is hollow inside. A connecting hole is provided at a corresponding position between the outer wall of the center rod (5) and the inside of the sealing swivel (4).

3. A graphite negative electrode material continuous coating granulation reactor tail gas spraying device as claimed in claim 2, characterized in that: The driving assembly comprises a bevel gear (20), a transmission (21), a driving bevel gear (22), a driving motor (23) and a protective cover (24); the bevel gear (20) is sleeved on the upper outer wall of the center rod (5); the output end of the transmission (21) is provided with the driving bevel gear (22); the driving bevel gear (22) is meshed with the bevel gear (20); the output end of the transmission (21) is connected to the output end of the driving motor (23); the protective cover (24) is covered on the top of the processing box (1); the transmission (21) and the driving motor (23) are installed inside the protective cover (24).

4. The tail gas spraying device for the continuous coating and granulation reaction kettle of graphite negative electrode material according to claim 1, characterized in that: The air intake assembly comprises an air pump (9), a bracket (10), an air pipe (11), a distribution box (12), a mounting frame (13) and a plurality of air outlet heads (14). The air pump (9) is mounted on the lower part of the outer wall of the treatment box (1) via the bracket (10). The output end of the air pump (9) is connected to the air pipe (11). The air pipe (11) is located in the spray chamber of the treatment box (1), and the output end of the air pipe (11) is connected to the distribution box (12). The distribution box (12) is mounted on the inner wall of the spray chamber via the mounting frame (13). The top of the distribution box (12) is evenly mounted with a plurality of air outlet heads (14).

5. The tail gas spraying device for the continuous coating and granulation reaction kettle of graphite negative electrode material according to claim 1, characterized in that: The dehumidification component comprises a plurality of connecting pipes (15), a desiccant (16) and an exhaust pipe (17). The plurality of connecting pipes (15) are evenly installed axially on the outer wall of the processing box (1). The input end of the connecting pipe (15) is connected to the upper part of the spray chamber, and the output end of the connecting pipe (15) is connected to the drying chamber. The desiccant (16) is installed in the dehumidifier. The exhaust pipe (17) is installed at the top of the processing box (1), and the input end of the exhaust pipe (17) is connected to the drying chamber.

6. A graphite negative electrode material continuous coating granulation reactor tail gas spraying device as claimed in claim 4, characterized in that: It also includes a filter screen (18), a discharge pipe (19) and a connecting rotor (25), wherein the filter screen (18) is installed between the outer wall of the distribution box (12) and the inner wall of the treatment box (1), the input end of the discharge pipe (19) is connected to the interior of the treatment box (1), a valve is provided on the discharge pipe (19), and the connecting rotor (25) is installed at the input end of the center rod (5).

7. A graphite negative electrode material continuous coating granulation reactor tail gas spraying device as claimed in claim 4, characterized in that: It also includes a plurality of spray pipes (8) and bearings (26), the bottom end of the center rod (5) is connected to the top end of the distribution box (12) through the bearing (26), the plurality of spray pipes (8) are axially and evenly installed on the outer wall of the center rod (5), the input end of the spray pipe (8) is connected to the inside of the center rod (5), and a plurality of spray holes are evenly opened on the spray pipe (8).

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