Automatic feeding device of pyrolyzing furnace
By using a graphite packing seal between the sealing cover and the furnace head tube, and a corrugated expansion joint for buffering, the problems of air ingress and equipment damage during tire oil refining were solved, thus improving the oil yield and extending the equipment life.
Patent Information
- Application Number
- CN202422704136.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-06
AI Technical Summary
In the traditional tire oil refining process, the screw conveyor feeding method causes air to enter the furnace, resulting in high-temperature oxidation of oil and gas. The gap between the sealing cover and the furnace head tube causes equipment damage, affecting the oil yield and equipment life.
The sealing cover and the furnace head tube are connected by a graphite packing seal and rotated, combined with a corrugated expansion joint for buffering, to prevent air from entering the furnace body. An inclined plate and spring are installed in the feed pipe to prevent blockage, ensuring sealing and equipment stability.
It increases oil yield, reduces high-temperature oxidation, extends equipment lifespan, and prevents equipment damage.
Smart Images

Figure CN223596514U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to tire oil refining feeding technical field, especially, relate to a pyrolysis furnace automatic feeding device. BACKGROUND
[0002] Tire oil refining technology is to extract valuable substances in the tire by high temperature treatment, and solve the problem of waste tire disposal.
[0003] At present, in the process of tire oil refining, the auger feeding mode is generally used, but in the traditional feeding mode, the excess air is easily transported into the furnace body through the open auger feeding, and the oil gas generated in the high temperature process of the tire particles in the furnace body is oxidized at high temperature with the excess oxygen, which reduces the oil yield, and the furnace body and the traditional feeding pipe are connected in a hard connection mode, when the graphite packing is worn to a certain extent, there is a gap between the sealing cover and the furnace head pipe, and the furnace body rotation will have a certain space, and the longitudinal shear force is formed on the connected furnace pipe during rotation, which will cause the furnace pipe to loosen or damage after a long time, affecting the normal use of the equipment. UTILITY MODEL CONTENT
[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a pyrolysis furnace automatic feeding device, which at least solves one of the problems in the background art.
[0005] The utility model provides the following technical scheme:
[0006] A pyrolysis furnace automatic feeding device, comprising a support table, a furnace pipe is arranged on the support table, the furnace pipe is connected with a feeding auger, and the feeding auger is used for feeding into the furnace body;
[0007] The end of the furnace pipe close to the furnace body is provided with a sealing cover, the sealing cover is connected with the furnace head pipe of the furnace body, and the sealing cover and the furnace pipe are sealingly and rotatably connected.
[0008] The end of the furnace pipe away from the furnace body is provided with a feeding pipe, and the feeding pipe is connected with a front end feeding pipe.
[0009] Preferably, the end of the furnace pipe away from the furnace body is provided with a driving motor, a motor support is arranged below the driving motor, the bottom of the motor support is connected with the support table, the output shaft of the driving motor is connected with a speed reducer, the speed reducer is connected with a shaft coupling, the shaft coupling is connected with the feeding auger, the end of the furnace pipe close to the shaft coupling is provided with a sealing pipe, the shaft coupling is arranged in the sealing pipe, and the shaft coupling and the sealing pipe are sealingly and rotatably connected.
[0010] Preferably, one end of the feeding auger is connected with an expansion joint near the furnace body, the expansion joint is a corrugated expansion joint, the other end of the expansion joint is connected with a furnace front pipe, a furnace head pipe is arranged outside the furnace front pipe, a sealing cover is arranged outside the furnace head pipe, the other end of the sealing cover is provided with a gland, and the gland is press-connected with the sealing cover; the sealing cover and the gland are rotationally connected with the furnace head pipe.
[0011] Preferably, a graphite packing is arranged between the sealing cover and the furnace head pipe, and the sealing cover and the furnace head pipe are rotationally and sealingly connected through the graphite packing; a graphite packing is arranged between the furnace head pipe and the furnace front pipe, and the furnace head pipe and the furnace front pipe are rotationally and sealingly connected.
[0012] Preferably, the feeding pipe is internally provided with an inclined plate, the inclined plate is connected with a spring, and the other end of the spring is connected with the inner wall of the feeding pipe.
[0013] Preferably, one side of the support table is provided with a staircase, and the periphery of the feeding auger is provided with a handrail.
[0014] Preferably, the bottom of the sealing cover is connected with a sealing cover support, the sealing cover support is connected with the support table, the bottom of the feeding auger is provided with a plurality of auger supports, and the auger supports are arranged on the support table.
[0015] In addition, when feeding, the old tire particles in the front end feeding pipe are extruded, the diameter of the tire particles is less than 4 mm, and after the tire particles are compacted, air cannot enter the feeding auger along with the tire particles. After the compacted tire particles enter the feeding pipe, the extruded tire particles abut against the inclined movable plate, the movable plate forms a rebounding force through the arranged spring, the compacted tire particles are scattered, the compacted tire particles are prevented from causing blockage in the feeding pipe, and the feeding pipe is ensured to smoothly discharge.
[0016] After the tire particles enter the feeding auger, the tire particles are transported into the furnace body through the auger conveyor, the furnace head pipe of the furnace body forms good sealing through the arranged graphite packing, air outside is prevented from entering the furnace body, oil gas carbonization of the furnace body is reduced, and oil yield is improved. When the graphite packing is worn to a certain degree, a small gap is formed between the furnace head pipe and the sealing cover, when the gap causes a shear force on the furnace front pipe due to rotation of the furnace body, the corrugated expansion joint can be buffered, vibration damage to the feeding auger is prevented, and the service life of the feeding auger is further prolonged.
[0017] The compacted tire particles are sent into the feeding auger through the front end feeding pipe, the feeding auger and the furnace body are rotationally and sealingly connected through the arranged sealing cover and graphite packing, the entire feeding system is formed to be good sealing, excessive air is prevented from entering the furnace body, oil gas generated in the furnace body during high-temperature process is prevented from being high-temperature oxidized with excessive oxygen, and oil yield is effectively increased.
[0018] Compared with the prior art, the pyrolysis furnace automatic feeding device has the following beneficial effects:
[0019] The pyrolysis furnace automatic feeding device has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical schemes of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0021] Figure 1 is the overall structure schematic view of the present application.
[0022] Figure 2 is the structure schematic view of the feed auger and the furnace front pipe of the present application.
[0023] Figure 3 is the left view of the feed auger of the present application.
[0024] Figure 4 is the local structure enlarged schematic view of the present application Figure 1 . DETAILED DESCRIPTION
[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0026] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Embodiment
[0027] Reference Figures 1-4 The pyrolysis furnace automatic feeding device comprises a support table 1, a furnace front pipe 9 is arranged on the support table 1, a feeding auger 4 is connected to the furnace front pipe 9, and the feeding auger 4 is used for feeding materials into a furnace body 15; a sealing cover 7 is arranged at one end of the furnace front pipe 9 close to the furnace body 15, the sealing cover 7 is connected to a furnace head pipe 16 of the furnace body 15, and the sealing cover 7 is sealingly and rotatably connected to the furnace front pipe 9; a feeding pipe 14 is arranged at the other end of the furnace front pipe 9 away from the furnace body 15, and a front end feeding pipe is connected to the feeding pipe 14.
[0028] A driving motor 5 is arranged at the other end of the furnace front pipe 9 away from the furnace body 15, a motor support 12 is arranged below the driving motor 5, the bottom of the motor support 12 is connected to the support table 1, an output shaft of the driving motor 5 is connected to a speed reducer, the speed reducer is connected to a shaft coupling, the shaft coupling is connected to the feeding auger 4, a sealing pipe is arranged at one end of the furnace front pipe 9 close to the shaft coupling, the shaft coupling is arranged in the sealing pipe, and the shaft coupling is sealingly and rotatably connected to the sealing pipe. The feeding auger 4 is connected to an expansion joint 6 at one end close to the furnace body 15, the expansion joint 6 is a corrugated expansion joint, the other end of the expansion joint 6 is connected to the furnace front pipe 9, the outer side of the furnace front pipe 9 is provided with the furnace head pipe 16, the outer side of the furnace head pipe 16 is provided with the sealing cover 7, the other end of the sealing cover 7 is provided with a gland 8, and the gland 8 is press-connected to the sealing cover 7; the sealing cover 7 and the gland 8 are rotatably connected to the furnace head pipe 16. A graphite packing is arranged between the sealing cover 7 and the furnace head pipe 16, and the sealing cover 7 is sealingly and rotatably connected to the furnace head pipe 16 through the graphite packing; a graphite packing is arranged between the furnace head pipe 16 and the furnace front pipe 9, and the furnace head pipe 16 is sealingly and rotatably connected to the furnace front pipe 9. An inclined plate is arranged in the feeding pipe 14, a spring 18 is connected to the inclined plate, and the other end of the spring 18 is connected to the inner wall of the feeding pipe 14. A staircase 3 is arranged on one side of the support table 1, and a handrail 2 is arranged on the periphery of the feeding auger 4. The bottom of the sealing cover 7 is connected to a sealing cover support 10, the sealing cover support 10 is connected to the support table 1, a plurality of auger supports 11 are arranged at the bottom of the feeding auger 4, and the auger supports 11 are arranged on the support table 1.
[0029] When feeding, the waste tire particles in the front end feeding pipe 13 are extruded, and the diameter of the tire particles is less than 4 mm. After the tire particles are compacted, air cannot enter the feeding auger 4 with the tire particles. After the compacted tire particles enter the feeding pipe 14, the extruded tire particles abut against the inclined movable plate 17, and the included angle between the movable plate and the front end feeding pipe satisfies 30-70°. The movable plate 17 forms a rebounding force through the spring 18, the compacted tire particles are scattered, the compacted tire particles are prevented from causing blockage in the feeding pipe 14, and the feeding pipe 14 is ensured to smoothly discharge materials.
[0030] After the tire particles enter into the feeding auger 4, they are conveyed into the furnace body 15 by the auger conveyor, the furnace head pipe 16 of the furnace body 15 forms a good seal through the arranged graphite packing, prevents the outside air from entering into the furnace body 15, reduces the oil gas carbonization of the furnace body 15, and improves the oil yield; and when the graphite packing is worn to a certain degree, a small gap is formed between the furnace head pipe 16 and the sealing cover 7, when the clearance caused by the rotation of the furnace body 15 forms a shearing force on the furnace front pipe 9, the arranged corrugated expansion joint 6 can be buffered, vibration damage to the feeding auger 4 is prevented, and the service life of the feeding auger 4 is further prolonged.
[0031] The compacted tire particles are sent into the feeding auger 4 through the front end feeding pipe 13, the feeding auger 4 and the furnace body 15 are connected in a sealed rotation mode through the arranged sealing cover 7 and graphite packing, so that the whole feeding system is sealed, excessive air is prevented from entering into the furnace body 15, the high-temperature oxidation of the oil gas generated by the tire particles in the furnace body 15 during the high-temperature process and excessive oxygen is reduced, and the oil yield is effectively increased.
[0032] The above only describes preferred embodiments of the present application and is not used to limit the present application, and the present application can be changed and varied in various ways for those skilled in the art; any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A pyrolysis furnace automatic feeding device comprising a support table (1), characterized in that, The support table (1) is provided with a furnace front pipe (9), the furnace front pipe (9) is connected with a feeding auger (4), and the feeding auger (4) is used for feeding into the furnace body (15); The furnace front pipe (9) is provided with a sealing cover (7) at one end close to the furnace body (15), the sealing cover (7) is connected with the furnace head pipe (16) of the furnace body (15), and the sealing cover (7) is sealingly and rotatably connected with the furnace front pipe (9); The furnace front pipe (9) is provided with a feeding pipe (14) at one end away from the furnace body (15), and the feeding pipe (14) is connected with a front end feeding pipe.
2. The automatic feeding device of a pyrolysis furnace according to claim 1, characterized in that, The furnace front pipe (9) is provided with a driving motor (5) at one end away from the furnace body (15), a motor support (12) is arranged below the driving motor (5), the bottom of the motor support (12) is connected with the support table (1), the output shaft of the driving motor (5) is connected with a speed reducer, the speed reducer is connected with a shaft coupling, the shaft coupling is connected with the feeding auger (4), the furnace front pipe (9) is provided with a sealing pipe at one end close to the shaft coupling, the shaft coupling is arranged in the sealing pipe, and the shaft coupling is sealingly and rotatably connected with the sealing pipe.
3. The automatic feeding device of a pyrolysis furnace according to claim 1, characterized in that The feeding auger (4) is connected with an expansion joint (6) at one end close to the furnace body (15), the expansion joint (6) is a corrugated expansion joint, the other end of the expansion joint (6) is connected with the furnace front pipe (9), the outside of the furnace front pipe (9) is provided with the furnace head pipe (16), the outside of the furnace head pipe (16) is provided with the sealing cover (7), the other end of the sealing cover (7) is provided with a gland (8), and the gland (8) is press-connected with the sealing cover (7); the sealing cover (7) and the gland (8) are rotatably connected with the furnace head pipe (16).
4. The automatic feeding device of a pyrolysis furnace according to claim 3, characterized in that, The sealing cover (7) and the furnace head pipe (16) are sealingly and rotatably connected through the graphite packing, and the furnace head pipe (16) and the furnace front pipe (9) are sealingly and rotatably connected through the graphite packing.
5. The automatic feeding device of a pyrolysis furnace according to claim 1, characterized in that, The feeding pipe (14) is internally provided with an inclined plate, the inclined plate is connected with a spring (18), and the other end of the spring (18) is connected with the inner wall of the feeding pipe (14).
6. The automatic feeding device of a pyrolysis furnace according to claim 1, characterized in that, One side of the support table (1) is provided with a staircase (3), and the periphery of the feeding auger (4) is provided with a handrail (2).
7. The automatic feeding device of a pyrolysis furnace according to claim 1, characterized in that, The bottom of the sealing cover (7) is connected with a sealing cover support (10), the sealing cover support (10) is connected with the support table (1), the bottom of the feeding auger (4) is provided with a plurality of auger supports (11), and the auger supports (11) are arranged on the support table (1).