Energy-saving high-temperature pyrolyzing furnace for waste lithium battery disposal

Abstract

The energy-saving high-temperature pyrolyzing furnace comprises a furnace body, a pyrolyzing cavity, a combustion cavity and a slag cavity are sequentially arranged in the furnace body from top to bottom, and a smoke exhaust pipe corresponding to the pyrolyzing cavity is arranged on the top surface of the furnace body. The waste lithium battery powder feeding device has the beneficial effects that the feeding barrel is arranged at the feeding end of the furnace body, and the motor is started to work to drive the transmission rod in the feeding barrel to rotate through the transmission belt at the output end of the motor, so that the transmission rod drives the hook-shaped stirring scraping plate on the surface of the transmission rod to synchronously rotate; the waste lithium battery powder is discharged from a plurality of material guiding openings of the feeding barrel in the stirring process of the stirring scraper, and the waste lithium battery powder discharged from the material guiding openings is dispersed in the pyrolysis cavity under the guiding action of a plurality of material guiding plates. And stirring and preheating can be carried out in the waste lithium battery powder feeding stage.

Description

TECHNICAL FIELD

[0001] The utility model relates to pyrolysis furnace technical field, specifically, relate to a kind of energy-saving high-temperature pyrolysis furnace for waste lithium battery disposal. BACKGROUND

[0002] At present, waste lithium battery can be recycled by wet comprehensive recovery system, which can effectively recycle the alloy in waste battery, and also can recycle the copper, zinc, manganese, iron and other metals stored in waste battery, so that they can be effectively recycled and utilized. After the waste battery is crushed and recycled, the coarse crushed powder needs to be transported to the electric heating pyrolysis furnace for pyrolysis.

[0003] However, the feeding device of the existing pyrolysis furnace does not have a corresponding material guiding structure, which causes the waste lithium battery powder put into the pyrolysis furnace to accumulate at a certain place in the furnace cavity, resulting in incomplete and incomplete pyrolysis of the waste lithium battery powder, and the amount of tar and smoke emitted increases the time and energy consumption of pyrolyzing waste lithium battery, which is not conducive to energy saving and environmental protection. SUMMARY

[0004] (I) Technical problem solved

[0005] In view of the shortcomings of the prior art, the utility model provides an energy-saving high-temperature pyrolysis furnace for waste lithium battery disposal, which has the advantages of dispersed feeding and energy saving, thereby solving the problems in the above background technology.

[0006] (II) Technical scheme

[0007] To achieve the above-mentioned advantages of dispersed feeding and energy saving, the utility model adopts the following specific technical scheme: an energy-saving high-temperature pyrolysis furnace for waste lithium battery disposal, comprising a furnace body, the furnace body is internally provided with a pyrolysis cavity, a combustion cavity and a slag cavity from top to bottom, and a smoke exhaust pipe is arranged on the top surface of the furnace body corresponding to the pyrolysis cavity, a feeding cylinder, a fuel port and a slag discharge port are arranged on the left side wall of the furnace body from top to bottom, a part of the feeding cylinder is embedded in the interior of the pyrolysis cavity, a transmission rod is installed in the interior of the feeding cylinder, and a stirring scraper is fixed on the surface of the transmission rod of the feeding cylinder, the fuel port and the slag discharge port are respectively connected with the combustion cavity and the slag cavity, a motor is fixedly installed on the outer surface of the furnace body, and a transmission belt wound around the transmission rod is arranged on the output end of the motor, a feeding hopper is arranged on the part of the feeding cylinder exposed outside the furnace body, a plurality of material guiding ports are arranged on the part of the feeding cylinder embedded in the interior of the pyrolysis cavity, and a material guiding plate is welded on each material guiding port of the feeding cylinder, an upper grid plate is installed between the pyrolysis cavity and the combustion cavity, and a lower grid plate is installed between the combustion cavity and the slag cavity.

[0008] Further, the furnace body is fixed with a blower on the side away from the slagging opening, and the outlet of the blower is communicated with an oxygen supply pipe, the oxygen supply pipe extends to the inside of the combustion chamber, and the oxygen supply pipe is in U-shaped structure as a whole, and the two ends of the oxygen supply pipe are both inclinedly provided with a group of air outlets, and the top surface of the lower grid plate is uniformly provided with a plurality of four pyramids.

[0009] Further, the surface of the smoke exhaust pipe is communicated with a branch pipe, and the one end of the branch pipe is provided with a smoke suction hood corresponding to the feeding hopper.

[0010] Further, the inside of each guide opening of the feeding cylinder is welded with a steel mesh, the guide plates are provided in plurality, and the plurality of guide plates are arranged around the shaft of the feeding cylinder.

[0011] Further, the feeding hopper is in trapezoidal structure as a whole, and the top surface of the feeding hopper is provided with a feeding opening corresponding to the smoke suction hood.

[0012] Further, the cross section of the stirring scraper is in spoon-shaped structure, and one end of the stirring scraper is in contact with the inner wall of the feeding cylinder.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the energy-saving high-temperature pyrolysis furnace for disposing waste lithium batteries has the following beneficial effects:

[0015] The utility model discloses a feeding cylinder is arranged at the feeding end of the furnace body, and the motor is started to work, and the motor drives the transmission rod in the feeding cylinder to rotate through the transmission belt at the output end, and the transmission rod drives the hook-shaped stirring scraper on the surface to rotate synchronously, and the waste lithium battery powder is continuously added to the feeding hopper, and the waste lithium battery powder is discharged from the plurality of guide openings of the feeding cylinder during the stirring process of the stirring scraper, and the waste lithium battery powder discharged from the guide opening is dispersed in the pyrolysis chamber under the guidance of the plurality of guide plates, compared with the prior art, the semi-embedded feeding cylinder is arranged, the waste lithium battery powder can be stirred and preheated during the feeding stage, and the dispersion feeding mode is adopted to improve the fullness of pyrolysis, which reduces the amount of smoke dust and tar in flue gas on the one hand, and makes the waste lithium battery powder feeding more dispersed, and preheating is realized during the stirring stage, which is energy-saving and environment-friendly.

[0016] The utility model discloses that a plurality of four pyramids are uniformly arranged on the top surface of the lower grid plate, and the blower is started to work, and the blower blows air into the oxygen supply pipe of U-shaped structure, and then the air is blown to the lower grid plate through the group of air outlets at the two ends of the oxygen supply pipe, and the structure can supply oxygen for the fuel in the combustion chamber and enlarge the gap between the fuels through the four pyramids, so that the fuel combustion is more sufficient. DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained based on these drawings without creative labor.

[0018] Figure 1 is a structural schematic diagram of an energy-saving high-temperature pyrolysis furnace for disposing waste lithium batteries according to an embodiment of the present application;

[0019] Figure 2 is a schematic diagram of the internal structure of the furnace body;

[0020] Figure 3 is a cross-sectional view of the furnace body;

[0021] Figure 4 is a schematic diagram of the structure of the feeding cylinder.

[0022] In the drawings:

[0023] 1, furnace body; 2, air blower; 3, fuel port; 4, slag discharge port; 5, smoke exhaust pipe; 6, feeding cylinder; 7, feeding hopper; 8, transmission rod; 9, motor; 10, transmission belt; 11, branch pipe; 12, smoke suction cover; 13, stirring scraper; 14, pyrolysis cavity; 15, combustion cavity; 16, slag cavity; 17, upper grid plate; 18, lower grid plate; 19, oxygen supply pipe; 20, four-pyramid; 21, material guide port; 22, material guide plate. DETAILED DESCRIPTION

[0024] To further illustrate the embodiments, the present application provides drawings, which are part of the disclosure of the present application, mainly used to illustrate the embodiments, and can be used to explain the operating principle of the embodiments in conjunction with the related description of the specification. With reference to these contents, those skilled in the art should understand other possible embodiments and advantages of the present application. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0025] According to an embodiment of the present application, an energy-saving high-temperature pyrolysis furnace for disposing waste lithium batteries is provided.

[0026] The present application will be further described in conjunction with the drawings and specific embodiments, such as Figures 1-4As shown, according to the energy-saving high-temperature pyrolysis furnace for waste lithium battery disposal of the utility model embodiment, including furnace body 1, the inside of furnace body 1 is sequentially provided with pyrolysis cavity 14, combustion cavity 15 and furnace slag cavity 16 from top to bottom, and the top surface of furnace body 1 is provided with exhaust pipe 5 corresponding to pyrolysis cavity 14, the left side wall of furnace body 1 is sequentially provided with feeding cylinder 6, fuel port 3 and slag discharge port 4 from top to bottom, the local part of feeding cylinder 6 is embedded in the inside of pyrolysis cavity 14, and the inside of feeding cylinder 6 is provided with transmission rod 8, and the surface of transmission rod 8 of feeding cylinder 6 is fixedly provided with stirring scraper 13, fuel port 3 and slag discharge port 4 are communicated with combustion cavity 15 and furnace slag cavity 16 respectively, motor 9 is fixedly installed on the outer surface of furnace body 1, and the output end of motor 9 is provided with transmission belt 10 woundly connected with transmission rod 8, the part of feeding cylinder 6 exposed outside furnace body 1 is provided with feeding hopper 7, the part of feeding cylinder 6 embedded in pyrolysis cavity 14 is provided with multiple guide ports 21, and a guide plate 22 is welded on each guide port 21 of feeding cylinder 6, and the upper grid plate 17 is installed between pyrolysis cavity 14 and combustion cavity 15, and the lower grid plate 18 is installed between combustion cavity 15 and furnace slag cavity 16, regarding motor 9 and air blower 2, the control mode of the utility model is controlled by manually starting and closing switch, and the wiring diagram of power element and the provision of power supply belong to the public knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the control mode and wiring arrangement of the utility model will not be explained in detail, the feeding cylinder 6 embedded in pyrolysis cavity 14 is easy to disperse feeding on one hand, and the preheating effect of waste lithium battery powder can be achieved through the heat inside pyrolysis cavity 14 on the other hand, so the purpose of energy saving is achieved, regarding furnace body 1 (pyrolysis furnace), the contents not described in detail in the specification belong to the prior art known to the person skilled in the art.

[0027] In one embodiment, the side of furnace body 1 away from slag discharge port 4 is fixedly provided with air blower 2, the air outlet of air blower 2 is communicated with oxygen supply pipe 19, oxygen supply pipe 19 extends to the inside of combustion cavity 15, oxygen supply pipe 19 is in U-shaped structure as a whole, and one group of air outlet nozzles is obliquely arranged at the two ends of oxygen supply pipe 19, the top surface of lower grid plate 18 is uniformly provided with multiple four-pyramids 20, by adopting this structure, with the starting of air blower 2, air blower 2 blows air into oxygen supply pipe 19 in U-shaped structure, and then the air is blown to lower grid plate 18 by the one group of air outlet nozzles obliquely arranged at the two ends of oxygen supply pipe 19, by adopting this structure, the fuel in combustion cavity 15 can be supplied with oxygen, and the gap between fuels can be expanded through four-pyramids 20, so that the combustion of fuels is more sufficient.

[0028] In one embodiment, the surface of exhaust pipe 5 is communicated with branch pipe 11, and the one end of branch pipe 11 is provided with smoke suction hood 12 corresponding to feeding hopper 7, by adopting this structure, the smoke gas leaked at feeding hopper 7 can be easily absorbed, and the environmental pollution is reduced.

[0029] In one embodiment, a steel mesh is welded inside each of the material guide openings 21 of the feeding cylinder 6, and a plurality of material guide plates 22 are arranged around the axis of the feeding cylinder 6, which facilitates the dispersion of the waste lithium battery powder and avoids the accumulation of the waste lithium battery powder caused by feeding through a single material guide opening 21.

[0030] In one embodiment, the feeding hopper 7 has a trapezoidal structure as a whole, and the top surface of the feeding hopper 7 is provided with a feeding opening corresponding to the smoke cover 12, which facilitates feeding.

[0031] In one embodiment, the cross section of the stirring scraper 13 has a spoon-shaped structure, and one end of the stirring scraper 13 is in contact with the inner wall of the feeding cylinder 6, which enables the stirring scraper 13 to stir the waste lithium battery powder entering the feeding cylinder 6, facilitating dispersion and preheating.

[0032] Working principle: first, the fuel is poured into the combustion chamber 15 through the fuel port 3 and ignited, so that the flame of the burning fuel in the combustion chamber 15 penetrates through the upper grid plate 17 into the pyrolysis chamber 14, and the air is blown into the oxygen supply pipe 19 in the U-shaped structure by starting the air blower 2, and then the air is blown to the lower grid plate 18 by a group of air outlets obliquely arranged at both ends of the oxygen supply pipe 19, so as to provide oxygen for combustion and make the combustion sufficient, and then the waste lithium battery powder is fed, and the motor 9 is started to drive the transmission rod 8 in the feeding cylinder 6 to rotate through the transmission belt 10 at the output end of the motor 9, so that the transmission rod 8 drives the hook-shaped stirring scraper 13 on the surface thereof to rotate synchronously, and as the waste lithium battery powder is continuously added to the feeding hopper 7, the waste lithium battery powder is discharged from the plurality of material guide openings 21 of the feeding cylinder 6 in the stirring process of the stirring scraper 13, and the waste lithium battery powder discharged from the material guide openings 21 is dispersed in the pyrolysis chamber 14 under the guidance of the plurality of material guide plates 22, so as to realize the pyrolysis treatment of the waste lithium battery powder, and the smoke gas generated by pyrolysis can be introduced into an external smoke gas purification system through the smoke exhaust pipe 5 for purification treatment.

[0033] In the utility model, unless another definite provision and limitation, the terms "mount", "arrange", "connect", "fix", "screw" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be direct connection, also can pass through intermediate medium indirectly connect, can be two element inside communication or two element mutual action relation, unless another definite limitation, for the ordinary skilled in the art, can understand the concrete meaning of the above terms in the utility model according to specific circumstances.

[0034] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and 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. An energy-saving high-temperature pyrolysis furnace for disposing waste lithium batteries, comprising a furnace body (1), characterized in that, The inside of the furnace body (1) is sequentially provided with a pyrolysis cavity (14), a combustion cavity (15) and a slag cavity (16) from top to bottom, and the top surface of the furnace body (1) is provided with an exhaust pipe (5) corresponding to the pyrolysis cavity (14), the left side wall of the furnace body (1) is sequentially provided with a feeding cylinder (6), a fuel port (3) and a slag discharge port (4) from top to bottom, part of the feeding cylinder (6) is embedded in the pyrolysis cavity (14), and a transmission rod (8) is installed in the feeding cylinder (6), and a stirring scraper (13) is fixed on the surface of the transmission rod (8) of the feeding cylinder (6), the fuel port (3) and the slag discharge port (4) are respectively communicated with the combustion cavity (15) and the slag cavity (16), a motor (9) is fixedly installed on the outer surface of the furnace body (1), and a transmission belt (10) woundly connected with the transmission rod (8) is arranged on the output end of the motor (9), the part of the feeding cylinder (6) exposed outside the furnace body (1) is provided with a feeding hopper (7), the part of the feeding cylinder (6) embedded in the pyrolysis cavity (14) is provided with a plurality of guide ports (21), and a guide plate (22) is welded on each guide port (21) of the feeding cylinder (6), an upper grid plate (17) is installed between the pyrolysis cavity (14) and the combustion cavity (15), and a lower grid plate (18) is installed between the combustion cavity (15) and the slag cavity (16).

2. The energy-saving high-temperature pyrolysis furnace for disposing waste lithium batteries according to claim 1, characterized in that, The side of the furnace body (1) away from the slag discharge port (4) is fixedly provided with a blower (2), an oxygen supply pipe (19) is communicated with the air outlet of the blower (2), the oxygen supply pipe (19) extends to the inside of the combustion cavity (15), the oxygen supply pipe (19) is in a U-shaped structure as a whole, and a group of air outlet nozzles are inclinedly arranged at the two ends of the oxygen supply pipe (19), and the top surface of the lower grid plate (18) is uniformly provided with a plurality of four-pyramids (20).

3. The energy-saving high-temperature pyrolysis furnace for disposing waste lithium batteries according to claim 1, characterized in that, The surface of the exhaust pipe (5) is communicated with a branch pipe (11), and one end of the branch pipe (11) is provided with a smoke suction cover (12) corresponding to the feeding hopper (7).

4. The energy-saving high-temperature pyrolysis furnace for disposing waste lithium batteries according to claim 1, characterized in that, A steel mesh is welded in each guide port (21) of the feeding cylinder (6), a plurality of guide plates (22) are arranged, and the plurality of guide plates (22) are arranged around the axis of the feeding cylinder (6).

5. The energy-saving high-temperature pyrolysis furnace for disposing waste lithium batteries according to claim 1, characterized in that, The feeding hopper (7) is in a trapezoidal structure as a whole, and the top surface of the feeding hopper (7) is provided with a feeding port corresponding to the smoke suction cover (12).

6. The energy-saving high-temperature pyrolysis furnace for disposing waste lithium batteries according to claim 1, characterized in that, The cross section of the stirring scraper (13) is in a spoon-shaped structure, and one end of the stirring scraper (13) is in contact with the inner wall of the feeding cylinder (6).

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