Negative electrode material pre-carbonization tunnel kiln

Abstract

The utility model is suitable for the technical field of tunnel kilns, and provides a negative electrode material pre-carbonization tunnel kiln which comprises a base. The metal box is fixedly mounted at the top of the base; the heat insulation box is fixedly mounted at the top of the base, and the metal box is sleeved with the heat insulation box; the two temperature increasing pieces are arranged on the two sides of the heat insulation box correspondingly, and the two temperature increasing pieces both extend into the metal box; and the plurality of air supply pipes are respectively arranged on the two temperature increasing pieces. The negative electrode material pre-carbonization tunnel kiln provided by the scheme is relatively high in flexibility, can be freely combined as required, and meanwhile, can recycle dissipated heat, so that resource waste is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel kilns, and in particular relates to a tunnel kiln for pre-carbonizing negative electrode materials. Background Art

[0002] Tunnel kiln is a tunnel-like kiln built of refractory materials, thermal insulation materials and building materials, equipped with kiln cars and other vehicles. It is a modern continuous firing thermal equipment. Tunnel kiln is widely used in the roasting production of ceramic products and is also used in metallurgical industries such as abrasives. Existing tunnel kilns generate a lot of heat after processing, which is directly discharged, resulting in a large amount of heat loss and waste of resources. Utility Model Content

[0003] The utility model provides a tunnel kiln for pre-carbonizing negative electrode materials, aiming to solve the problem of waste of resources in that the heat flow directly discharged from the tunnel kiln is proposed in the above-mentioned background technology.

[0004] To solve the above problems, the utility model is implemented as follows: a tunnel kiln for pre-carbonization of negative electrode materials, comprising: a base; a metal box, which is fixedly mounted on the top of the base; a heat-insulating box, which is fixedly mounted on the top of the base and is sleeved outside the metal box; two temperature-increasing components, which are respectively arranged on both sides of the heat-insulating box, and both of which extend into the metal box; a plurality of air supply pipes, which are respectively arranged on the two temperature-increasing components; a water pipe group, which is arranged between the metal box and the heat-insulating box, and is used to transport hot water; a material moving assembly, which is arranged on the heat-insulating box, and is used to transfer negative electrode materials.

[0005] Preferably, the material moving assembly includes multiple feeding shafts, multiple gears, two chains and two motors. The multiple feeding shafts are rotatably installed in the metal box and extend to the outside of the heat insulation box. The multiple gears are fixedly installed on the multiple feeding shafts, respectively. The two chains are connected end to end and are respectively mounted outside the multiple gears. The two chains are respectively meshed with the multiple gears. The two motors are fixedly installed on the heat insulation box. The output shafts of the two motors are respectively fixedly connected to any two feeding shafts. The two material moving assemblies are each covered with a protective shell.

[0006] Preferably, two fixed plates are fixedly installed in the metal box, baffles are hinged at the bottom of the two fixed plates, two bottom plates are fixedly installed on the base, and the multiple feeding shafts are arranged between the two baffles and the two bottom plates.

[0007] Preferably, an exhaust pipe extending to the outside of the heat insulation box is installed on the top of the metal box, a connecting pipe is fixedly installed on the exhaust pipe, and feeding ports are provided on both sides of the metal box and the heat insulation box, and the connecting pipe extends into any one of the feeding ports.

[0008] Preferably, a mounting frame is fixedly mounted on the top of the heat insulation box, a plurality of springs are fixedly mounted on the top inner wall of the mounting frame, a same resistance plate is fixedly mounted on the bottom of the plurality of springs, and the bottom of the resistance plate can contact the top of the exhaust pipe.

[0009] Preferably, a valve is provided on the connecting pipe, and a rubber pad is fixedly mounted on the bottom of the abutment plate, and the rubber pad can contact the exhaust end of the exhaust pipe.

[0010] Preferably, a plurality of the springs are each provided with a limiting telescopic rod, and a plurality of different bases can be connected by bolts.

[0011] Preferably, the thermal insulation box is constructed of mullite bricks, clay bricks and grade 3 high-alumina bricks, and high-alumina blankets are provided on the top and both sides of the thermal insulation box, and fiber blankets are provided on the outer walls of multiple high-alumina blankets.

[0012] Compared with the related art, the negative electrode material pre-carbonization tunnel kiln provided by the utility model has the following beneficial effects:

[0013] Compared with the prior art, the negative electrode material pre-carbonization tunnel kiln provided in the present invention can reduce heat loss by providing a heat insulation box, can utilize the dissipated heat to heat clean water by providing a pipeline group, thereby increasing the utilization rate of heat, can transport the negative electrode material by providing a material transfer assembly, thereby increasing the continuity of material carbonization, and can assist in exhaust when the air pressure in the device is high by providing a spring in combination with a resistance plate, thereby increasing the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main cross-sectional structure of a negative electrode material pre-carbonization tunnel kiln provided by the utility model;

[0015] Figure 2 for Figure 1 An enlarged structural diagram of part A shown in FIG.

[0016] Figure 3 This is a schematic diagram of the combined structure of the gear, chain and motor in the utility model;

[0017] Figure 4 It is a three-dimensional cross-sectional structural schematic diagram of the water pipe group in the utility model.

[0018] Figure numerals: 1. base; 2. metal box; 3. heat insulation box; 4. water pipe group; 5. heating component; 6. air supply pipe; 7. fixing plate; 8. baffle; 9. bottom plate; 10. mounting frame; 11. exhaust pipe; 12. connecting pipe; 13. spring; 14. resistance plate; 15. rubber pad; 16. feed shaft; 17. gear; 18. chain; 19. motor; 20. protective shell. DETAILED DESCRIPTION

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" in the specification and claims of the present application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present application or the above-mentioned figures are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0020] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0021] The utility model embodiment provides a tunnel kiln for pre-carbonization of negative electrode materials, such as Figure 1-4 As shown, the negative electrode material pre-carbonization tunnel kiln includes: a base 1; a metal box 2, which is fixedly mounted on the top of the base 1; a heat-insulating box 3, which is fixedly mounted on the top of the base 1, and is sleeved outside the metal box 2; two temperature-increasing components 5, which are respectively arranged on both sides of the heat-insulating box 3, and both of which extend into the metal box 2; a plurality of air supply pipes 6, which are respectively arranged on the two temperature-increasing components 5; a water pipe group 4, which is arranged between the metal box 2 and the heat-insulating box 3, and is used to transport hot water; a material moving assembly, which is arranged on the heat-insulating box 3, and is used to transfer negative electrode materials.

[0022] In this embodiment, the base 1 serves as the basic support part of the entire tunnel kiln, carrying the metal box 2, the insulation box 3 and other components above. The main function of the insulation box 3 is to reduce the heat loss in the metal box 2 and improve the thermal efficiency. The temperature increasing component 5 is used to provide additional heat to ensure that the temperature in the metal box 2 reaches the requirement for pre-carbonization of the negative electrode material. The water pipe group 4 is used to transport hot water, and the heat generated during the operation of the tunnel kiln is used to heat the hot water to achieve energy recovery and reuse, thereby improving the thermal efficiency of the entire system. The material transfer assembly is used to transfer the negative electrode material to ensure the continuity and stability of the pre-carbonization process.

[0023] In a further preferred embodiment of the utility model, the material moving assembly includes multiple feeding shafts 16, multiple gears 17, two chains 18 and two motors 19. The multiple feeding shafts 16 are rotatably installed in the metal box 2 and extend to the outside of the heat insulation box 3. The multiple gears 17 are respectively fixedly installed on the multiple feeding shafts 16. The two chains 18 are connected end to end and are respectively sleeved outside the multiple gears 17. The two chains 18 are respectively meshed with the multiple gears 17. The two motors 19 are fixedly installed on the heat insulation box 3. The output shafts of the two motors 19 are respectively fixedly connected to any two feeding shafts 16. The two material moving assemblies are each sleeved with a protective shell 20.

[0024] In this embodiment, the feed shaft 16 is the core component of the material moving assembly, and the transfer of the negative electrode material is achieved through its rotation. These gears 17 cooperate with the chain 18 to transmit power to ensure that multiple feed shafts 16 can rotate synchronously. The motor 19 is the power source of the material moving assembly. By starting the motor 19, the feed shaft 16 can be driven to rotate, thereby achieving the transfer of the negative electrode material.

[0025] In a further preferred embodiment of the utility model, two fixed plates 7 are fixedly installed in the metal box 2, and the bottoms of the two fixed plates 7 are hinged with baffles 8. Two bottom plates 9 are fixedly installed on the base 1, and the multiple feeding shafts 16 are arranged between the two baffles 8 and the two bottom plates 9.

[0026] In this embodiment, the two fixing plates 7 mainly serve as supporting and fixing structures for installing and positioning the baffle 8. The design of the baffle 8 allows it to rotate at a certain angle, thereby controlling the flow of the negative electrode material during the feeding process, while reducing the dissipated heat, and cooperating with the bottom plate 9 to increase the sealing effect.

[0027] In a further preferred embodiment of the utility model, an exhaust pipe 11 extending to the outside of the heat insulation box 3 is installed on the top of the metal box 2, a connecting pipe 12 is fixedly installed on the exhaust pipe 11, and feeding ports are provided on both sides of the metal box 2 and the heat insulation box 3, and the connecting pipe 12 extends into any one of the feeding ports.

[0028] In this embodiment, the main function of the exhaust pipe 11 is to discharge the exhaust gas generated in the pre-carbonization process inside the metal box 2 to prevent danger caused by excessive air pressure. The design of the connecting pipe 12 allows the exhaust gas to enter the outside of the tunnel kiln through the feed port before being discharged through the exhaust pipe 11, thereby preheating the negative electrode material.

[0029] In a further preferred embodiment of the utility model, a mounting frame 10 is fixedly installed on the top of the heat insulation box 3, and a plurality of springs 13 are fixedly installed on the top inner wall of the mounting frame 10. The bottoms of the plurality of springs 13 are all fixedly installed with the same resistance plate 14, and the bottom of the resistance plate 14 can contact the top of the exhaust pipe 11.

[0030] In this embodiment, the mounting frame 10 serves as a supporting structure for installing and fixing subsequent components, and the spring 13 provides a downward elastic force for the contact plate 14, so that the contact plate 14 can be in close contact with or close to the top of the exhaust pipe 11, and can discharge excess gas when the air pressure in the metal box 2 is high to prevent danger.

[0031] In a further preferred embodiment of the present invention, a valve is provided on the connecting pipe 12 , and a rubber pad 15 is fixedly installed on the bottom of the abutment plate 14 , and the rubber pad 15 can contact the exhaust end of the exhaust pipe 11 .

[0032] In this embodiment, the valve can control the on-off of the connecting pipe 12, that is, it can control whether the exhaust gas enters the feeding port through the connecting pipe 12. The setting of the valve increases the flexibility and controllability of the system. The main function of the rubber pad 15 is to enhance the sealing between the contact plate 14 and the exhaust pipe 11. When the contact plate 14 contacts the exhaust end of the exhaust pipe 11 under the action of the spring 13, the rubber pad 15 can fill the tiny gap between the two to prevent exhaust gas leakage.

[0033] In a further preferred embodiment of the utility model, a plurality of the springs 13 are provided with limiting telescopic rods, and a plurality of different bases 1 can be connected by bolts.

[0034] In this embodiment, the main function of the limiting telescopic rod is to limit the telescopic range of the spring 13 to prevent the spring 13 from being excessively deformed when subjected to excessive pressure or tension, thereby causing it to lose its elasticity or be damaged. Different bases 1 can be connected by bolts. This design allows the tunnel kiln to be expanded or reduced as needed, increasing its flexibility and adaptability.

[0035] In a further preferred embodiment of the utility model, the thermal insulation box 3 is constructed of mullite bricks, clay bricks and third-grade high-alumina bricks, and high-alumina blankets are provided on the top and both sides of the thermal insulation box 3, and fiber blankets are provided on the outer walls of multiple high-alumina blankets.

[0036] In this embodiment, mullite bricks have good high temperature resistance, thermal shock resistance and erosion resistance, and can ensure the stability and safety of the insulation box 3 in a high temperature environment. The third-level high-alumina bricks have good flexibility and high thermal stability. They are used in the middle layer to effectively improve the thermal insulation effect of the insulation box 3. The high-alumina blanket is a high-temperature resistant insulation material. Its outer layer is made of high-alumina material and has excellent thermal insulation performance. It can effectively reduce the heat exchange between the inside of the insulation box 3 and the outside world. The fiber blanket is used as the outer covering material of the high-alumina blanket. It is light and thin, and is easy to install and maintain. The fiber blanket also has certain fireproof properties, which can prevent the spread of fire to a certain extent and increase the safety of the insulation box 3.

[0037] In summary, compared with the related technology, the present device can reduce heat loss by setting up the heat insulation box 3, can use the dissipated heat to heat the clean water by setting up the pipeline group, and increase the utilization rate of heat, can transport the negative electrode material by setting up the material transfer assembly, and increase the continuity of material carbonization, and can assist in exhaust when the air pressure in the device is high by setting up the spring 13 and the resistance plate 14, thereby increasing the safety of the device.

[0038] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0039] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A tunnel kiln for pre-carbonization of negative electrode materials, characterized in that: include: Base; A metal box, the metal box is fixedly mounted on the top of the base; A heat insulation box, which is fixedly mounted on the top of the base and sleeved outside the metal box; Two temperature increasing components, which are respectively arranged on both sides of the heat insulation box, and both extend into the metal box; A plurality of air supply pipes, wherein the plurality of air supply pipes are respectively arranged on the two temperature increasing components; A water pipe group, which is arranged between the metal box and the heat-insulating box and is used to transport hot water; A material transfer assembly is provided on the thermal insulation box and is used for transferring negative electrode materials.

2. The negative electrode material precarbonization tunnel kiln according to claim 1, characterized in that: The material moving assembly includes multiple feeding shafts, multiple gears, two chains and two motors. The multiple feeding shafts are rotatably installed in the metal box and extend to the outside of the heat insulation box. The multiple gears are fixedly installed on the multiple feeding shafts, respectively. The two chains are connected end to end and are respectively mounted outside the multiple gears. The two chains are respectively meshed with the multiple gears. The two motors are fixedly installed on the heat insulation box. The output shafts of the two motors are respectively fixedly connected to any two feeding shafts. The two material moving assemblies are each covered with a protective shell.

3. The negative electrode material precarbonization tunnel kiln according to claim 2, characterized in that: Two fixed plates are fixedly installed in the metal box, baffles are hinged at the bottom of the two fixed plates, two bottom plates are fixedly installed on the base, and the plurality of feeding shafts are arranged between the two baffles and the two bottom plates.

4. The negative electrode material precarbonization tunnel kiln according to claim 1, characterized in that: An exhaust pipe extending to the outside of the heat-insulating box is installed on the top of the metal box, a connecting pipe is fixedly installed on the exhaust pipe, and feeding ports are provided on both sides of the metal box and the heat-insulating box, and the connecting pipe extends into any one of the feeding ports.

5. The negative electrode material precarbonization tunnel kiln according to claim 4, characterized in that: A mounting frame is fixedly mounted on the top of the heat insulation box, a plurality of springs are fixedly mounted on the top inner wall of the mounting frame, a same resistance plate is fixedly mounted on the bottom of the plurality of springs, and the bottom of the resistance plate can contact the top of the exhaust pipe.

6. The negative electrode material precarbonization tunnel kiln according to claim 5, characterized in that: The connecting pipe is provided with a valve, and a rubber pad is fixedly installed on the bottom of the abutment plate, and the rubber pad can contact the exhaust end of the exhaust pipe.

7. The negative electrode material precarbonization tunnel kiln according to claim 5, characterized in that: A plurality of springs are each provided with a limiting telescopic rod, and a plurality of different bases can be connected by bolts.

8. The negative electrode material precarbonization tunnel kiln according to claim 1, characterized in that: The thermal insulation box is constructed of mullite bricks, clay bricks and grade 3 high-alumina bricks. High-alumina blankets are provided on the top and both sides of the thermal insulation box, and fiber blankets are provided on the outer walls of multiple high-alumina blankets.

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