Waste lithium battery pyrolysis machine

By designing a waste lithium battery pyrolyzer including a stirring assembly and a gas adsorption assembly, the problem of the inability to adequately handle solid particles and odors in the waste gas in the prior art is solved, and a more efficient treatment quality and environmental protection effect are achieved.

CN222688192UActive Publication Date: 2025-03-28YIBIN UNIV
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Patent Information

Application Number
CN202421460509.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-03-28
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

When dealing with waste lithium batteries, existing lithium battery pyrolytic machines cannot fully treat solid particles in the exhaust gas generated by combustion, which affects the treatment quality and cannot effectively remove odors in the exhaust gas, resulting in environmental pollution.

Method used

A waste lithium battery pyrolysis machine including a support base plate, a waste lithium battery pyrolysis furnace, a harmful gas combustion treatment component, a pump, a particle melting chamber and a gas adsorption component are designed. The agitating assembly allows the bubble to be broken and fully contacted with water to achieve melting of solid particles; the gas adsorption assembly removes odors from the exhaust gas through filtration and adsorption.

Benefits of technology

The full melting treatment of solid particles in the waste lithium battery pyrolysis machine and the effective removal of odors in the waste gas are achieved, the treatment quality is improved, and environmental pollution is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of waste lithium battery treatment, and particularly discloses a waste lithium battery pyrolyzing machine which comprises a supporting bottom plate, a waste lithium battery pyrolyzing furnace is arranged at the upper end of the supporting bottom plate, and a harmful gas combustion treatment assembly is arranged at a gas outlet in the upper end of the waste lithium battery pyrolyzing furnace. An exhaust connecting pipe is arranged at a gas outlet in the side edge of the harmful gas combustion treatment assembly, a sucking pump is arranged on the side edge of the waste lithium battery pyrolyzing furnace, a gas conveying communicating pipe is connected to a gas outlet of the sucking pump, a particle melting bin is arranged on the side edge of the upper end of the supporting bottom plate, and a stirring assembly is arranged in the particle melting bin; a partition plate is arranged at the bottom of the particle melting bin, a plurality of air outlet holes are formed in the surface of the partition plate, and a gas adsorption assembly is arranged at the upper end of the particle melting bin. The stirring assembly is additionally arranged, so that the melting effect of solid particles in bubbles is improved; by additionally arranging the gas adsorption assembly, peculiar smell and fine particles are avoided, pollution to the environment is reduced, and the good market prospect is achieved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of waste lithium battery treatment, and in particular relates to a waste lithium battery pyrolysis machine. Background Art

[0002] Thermal desorption is a process in which the polluted medium and the organic pollutants it contains are heated to a sufficient temperature through direct or indirect heat exchange so that the organic pollutants can be volatilized or separated from the polluted medium. In recent years, the impact of waste batteries on the environment has become one of the hot topics in the domestic media. Whether waste batteries are in the atmosphere or buried deep underground, their heavy metal components will overflow with the seepage, causing groundwater and soil pollution, which will seriously endanger human health over time. At present, waste lithium batteries can be crushed and recycled to effectively recycle the zinc-iron alloy or manganese-iron alloy in the waste lithium batteries. At the same time, the zinc, manganese, iron and other metals stored in the waste lithium batteries can also be recovered for effective recycling.

[0003] Before the waste lithium batteries are crushed and recycled, it is usually necessary to heat-treat harmful substances such as sulfides and nitrogen-containing compounds in the waste lithium batteries so that the harmful substances can be fully separated. The existing lithium battery pyrolysis machine does not fully dissolve the solid particles in the exhaust gas produced by combustion, which affects the treatment quality. At the same time, the odor generated by the exhaust gas cannot be removed, causing environmental pollution. Utility Model Content

[0004] The utility model aims to provide a waste lithium battery pyrolysis machine which can fully dissolve solid particles and remove odor in exhaust gas.

[0005] The utility model is realized through the following technical scheme: a waste lithium battery pyrolysis machine, comprising a supporting base plate, a waste lithium battery pyrolysis furnace is arranged on the upper end of the supporting base plate, a harmful gas combustion treatment component is arranged at the upper end air outlet of the waste lithium battery pyrolysis furnace, an exhaust connecting pipe is arranged at the side air outlet of the harmful gas combustion treatment component, a vacuum pump is arranged on the side of the waste lithium battery pyrolysis furnace, the air outlet of the vacuum pump is connected with a gas transmission connecting pipe, a particle melting bin is arranged on the side of the upper end of the supporting base plate, a stirring component is arranged inside the particle melting bin, a partition is arranged at the bottom of the particle melting bin, a plurality of air outlet holes are arranged on the surface of the partition, and a gas adsorption component is arranged at the upper end of the particle melting bin.

[0006] In order to better realize the present utility model, further, the stirring assembly includes a stirring rod, a rotating shaft, a flipping assembly, a pulley, a transmission belt, a motor frame and a driving motor. The rotating shaft is arranged on both sides of the interior of the particle melting bin, and a plurality of stirring rods are arranged at equal intervals on the surface of the rotating shaft. A flipping assembly is arranged between two adjacent stirring rods. The side of the particle melting bin is provided with a motor frame, and the side of the motor frame is provided with a driving motor. The rotating shaft of the driving motor is connected to the rotating shaft, and the sides of the rotating shaft are provided with pulleys, and a pulley is nested in the middle of the pulleys.

[0007] In order to better realize the utility model, further, a sealed bearing is provided at the connection between the rotating shaft and the particle melting bin, and the lower end of the stirring rod does not contact the surface of the partition and the inner wall of the particle melting bin.

[0008] In order to better realize the utility model, further, the flip assembly includes a fixed rod, a sleeve, a flip plate and a sleeve rod, the surface of the rotating shaft is provided with a sleeve, the surface of the sleeve is provided with a plurality of fixed rods, the surface of the fixed rod is nested with a sleeve rod, and the surface of the sleeve rod is provided with a flip plate.

[0009] In order to better realize the utility model, further, the gas adsorption component includes a filter screen, an adsorption box, an activated carbon adsorption layer and a filter gauze. An activated carbon adsorption layer is arranged in the middle of the adsorption box, a filter gauze is arranged at the lower end of the adsorption box, and a filter screen is arranged on the top of the adsorption box.

[0010] In order to better realize the utility model, further, a plurality of ventilation holes are arranged inside the activated carbon adsorption layer, and the ventilation holes are arranged in an S-shaped structure.

[0011] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0012] (1) The utility model adds a stirring component, the driving motor rotates to drive the pulley to rotate, the pulley is driven by the transmission belt, so that the two rotating shafts rotate, the rotating shaft drives the stirring rod to rotate, so that the bubbles are broken and fully contacted with water to ensure melting, the rotation of the rotating shaft drives the sleeve to rotate, the fixed rod on the surface of the sleeve rotates, the sleeve rod on the surface of the fixed rod rotates to drive the flip plate to rotate, the flip plate further flips and stirs the water, further improves the bubble breaking effect, and improves the melting effect of solid particles in the bubbles;

[0013] (2) The utility model adds a gas adsorption component, the solid particles in the bubbles melt, the exhaust gas is filtered through the filter mesh, then passes through the vent hole, the odor is adsorbed by the activated carbon adsorption layer, and then filtered through the filter mesh. The filtered gas avoids containing odor and fine particles, thereby reducing environmental pollution;

[0014] (3) The utility model has a reasonable structure and complete functions. It has the characteristics of sufficient solid particle melting treatment and removal of odor in exhaust gas. It improves the pyrolysis process of waste lithium batteries by existing lithium battery pyrolysis machines, has good market prospects, and is suitable for wide promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the stirring assembly in the utility model;

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the flip assembly in the utility model;

[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the gas adsorption component in the utility model.

[0020] Wherein: 1-supporting bottom plate, 2-pyrolysis furnace for waste lithium batteries, 3-harmful gas combustion treatment component, 4-exhaust connecting pipe, 5-vacuum pump, 6-gas transmission connecting pipe, 7-gas adsorption component, 71-filter screen, 72-adsorption box, 73-activated carbon adsorption layer, 74-air vent, 75-filter gauze, 8-particle melting bin, 9-stirring component, 91-stirring rod, 92-rotating shaft, 93-turning component, 931-fixing rod, 932-sleeve, 933-turning plate, 934-sleeve rod, 94-pulley, 95-transmission belt, 96-motor frame, 97-driving motor, 10-partition, 11-air outlet. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0022] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can also be a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] Embodiment 1:

[0024] The main structure of this embodiment is as follows: Figure 1 As shown, it includes a supporting base plate 1, a waste lithium battery pyrolysis furnace 2 is arranged on the upper end of the supporting base plate 1, a harmful gas combustion treatment component 3 is arranged at the upper end air outlet of the waste lithium battery pyrolysis furnace 2, an exhaust connecting pipe 4 is arranged at the side air outlet of the harmful gas combustion treatment component 3, a vacuum pump 5 is arranged on the side of the waste lithium battery pyrolysis furnace 2, and the air outlet of the vacuum pump 5 is connected to a gas transmission connecting pipe 6, a particle melting bin 8 is arranged on the upper end side of the supporting base plate 1, a stirring component 9 is arranged inside the particle melting bin 8, a partition 10 is arranged at the bottom of the particle melting bin 8, a plurality of air outlet holes 11 are arranged on the surface of the partition 10, and a gas adsorption component 7 is arranged at the upper end of the particle melting bin 8.

[0025] The specific use process is as follows: first, the crushed waste lithium battery is put into the waste lithium battery pyrolysis furnace 2 for pyrolysis treatment, and the exhaust gas generated in the pyrolysis process rises upward and enters the harmful gas combustion treatment component 3 to incinerate the harmful gas, and the dust after incineration can be discharged through the dust discharge pipe at the bottom, and the vacuum pump 5 is started. The vacuum pump 5 can make the hard-to-burn solid particles in the harmful gas be transported to the gas supply connecting pipe 6 through the exhaust connecting pipe 4, and clean water is added to the particle melting bin 8 in advance, so that the exhaust gas discharged from the gas supply connecting pipe 6 to the bottom of the particle melting bin 8 can be passed into the water, and the exhaust gas discharged from the gas supply connecting pipe 6 to the bottom of the particle melting bin 8 can be passed into the water. The several air outlet holes 11 arranged on the partition 10 and the partition 10 can split the gas discharged from the gas supply connecting pipe 6 to form many smaller bubbles, thereby increasing the contact area between the gas and the clean water, which is beneficial to the melting treatment of the solid particles in the gas. The foot plate assembly 9 breaks the bubbles and fully contacts with the water to ensure melting, and turns the water over and stirs to further improve the bubble breaking effect and the melting effect of the solid particles in the bubbles. In addition, the solid particles in the bubbles are melted, and the exhaust gas is odor-absorbed and filtered through the gas adsorption assembly 7. The filtered gas avoids containing odor and fine particles, thereby reducing environmental pollution.

[0026] Embodiment 2:

[0027] Based on the above embodiment, this embodiment further defines the structure of the foot plate assembly 9, such as Figure 2 , Figure 3 As shown, the stirring assembly 9 includes a stirring rod 91, a rotating shaft 92, a flip assembly 93, a pulley 94, a transmission belt 95, a motor frame 96 and a driving motor 97. The rotating shaft 92 is arranged on both sides of the particle dissolving chamber 8. A plurality of stirring rods 91 are arranged at equal intervals on the surface of the rotating shaft 92. A flip assembly 93 is arranged between two adjacent stirring rods 91. A motor frame 96 is arranged on the side of the particle dissolving chamber 8. A driving motor 97 is arranged on the side of the motor frame 96. The rotating shaft of the driving motor 97 is connected to the rotating shaft 92. The sides of the rotating shaft 92 are all provided with pulleys 94, and the middle of the pulley 94 is nested with a pulley 94. The driving motor 97 rotates to drive the pulley 94 to rotate. The pulley 94 is driven by the transmission belt 95 to rotate the two rotating shafts 92. The rotating shaft 92 drives the stirring rod 91 to rotate, so that the bubbles are broken and fully contacted with water to ensure dissolution. The other parts of this embodiment are the same as the above embodiment and will not be repeated.

[0028] Embodiment 3:

[0029] Based on the above embodiment, this embodiment further defines the structure of the foot plate assembly 9, such as Figure 2 , Figure 3As shown, a sealed bearing is provided at the connection between the rotating shaft 92 and the particle melting bin 8, and the lower end of the stirring rod 91 does not contact the surface of the partition 10 and the inner wall of the particle melting bin 8. Such a setting can ensure the sealing of the connection between the rotating shaft 92 and the particle melting bin 8 to avoid leakage. The other parts of this embodiment are the same as the above embodiment and will not be repeated.

[0030] Embodiment 4:

[0031] Based on the above embodiment, this embodiment further defines the structure of the flip assembly 93, such as Figure 2 , Figure 3 As shown, the flip assembly 93 includes a fixed rod 931, a sleeve 932, a flip plate 933 and a sleeve rod 934. The surface of the rotating shaft 92 is provided with a sleeve 932, and the surface of the sleeve 932 is provided with a plurality of fixed rods 931. The surface of the fixed rod 931 is nested with a sleeve rod 934, and the surface of the sleeve rod 934 is provided with a flip plate 933. The rotation of the rotating shaft 92 drives the sleeve 932 to rotate, the fixed rod 931 on the surface of the sleeve 932 rotates, and the sleeve rod 934 on the surface of the fixed rod 931 rotates to drive the flip plate 933 to rotate. The flip plate 933 further flips and stirs the water, further improving the bubble breaking effect and the melting effect of the solid particles in the bubbles. The other parts of this embodiment are the same as the above embodiment and will not be repeated.

[0032] Embodiment 5:

[0033] Based on the above embodiment, this embodiment further defines the structure of the gas adsorption component 7, such as Figure 4 As shown, the gas adsorption component 7 includes a filter screen 71, an adsorption box 72, an activated carbon adsorption layer 73 and a filter screen 75. The activated carbon adsorption layer 73 is arranged in the middle of the adsorption box 72, the filter screen 75 is arranged at the lower end of the adsorption box 72, and the filter screen 71 is arranged on the top of the adsorption box 72. The solid particles in the bubbles melt, the exhaust gas is filtered through the filter screen 75, the odor is adsorbed by the activated carbon adsorption layer 73, and then filtered through the filter screen 71. The filtered gas avoids containing odor and fine particles, thereby reducing environmental pollution. The other parts of this embodiment are the same as the above embodiment and will not be repeated.

[0034] Embodiment 6:

[0035] Based on the above embodiment, this embodiment further defines the structure of the gas adsorption component 7, such as Figure 4 As shown, the activated carbon adsorption layer 73 is provided with a plurality of vent holes 74, and the vent holes 74 are configured as an S-shaped structure, and the gas passes through the vent holes 74 and is adsorbed by the activated carbon adsorption layer 73 to improve the adsorption effect. The other parts of this embodiment are the same as the above embodiment and will not be described in detail.

[0036] It can be understood that the structure of the waste lithium battery pyrolysis machine according to an embodiment of the utility model, such as the working principles and working processes of the waste lithium battery pyrolysis furnace 2, the harmful gas combustion treatment component 3 and the vacuum pump 5 and other components are all prior arts and are well known to technicians in this field, and will not be described in detail here.

[0037] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A waste lithium battery pyrolysis machine, comprising a supporting base plate (1), characterized in that: A waste lithium battery pyrolysis furnace (2) is arranged at the upper end of the support bottom plate (1); a harmful gas combustion treatment component (3) is arranged at the upper end gas outlet of the waste lithium battery pyrolysis furnace (2); an exhaust connection pipe (4) is arranged at the side gas outlet of the harmful gas combustion treatment component (3); a vacuum pump (5) is arranged at the side of the waste lithium battery pyrolysis furnace (2); the vacuum pump (5) is connected to the gas transmission connection pipe (6); a particle dissolving bin (8) is arranged at the side of the upper end of the support bottom plate (1); a stirring component (9) is arranged inside the particle dissolving bin (8); a partition (10) is arranged at the bottom of the particle dissolving bin (8); a plurality of gas outlet holes (11) are arranged on the surface of the partition (10); and a gas adsorption component (7) is arranged at the upper end of the particle dissolving bin (8).

2. A waste lithium battery pyrolysis machine according to claim 1, characterized in that: The stirring assembly (9) comprises a stirring rod (91), a rotating shaft (92), a flip assembly (93), a pulley (94), a transmission belt (95), a motor frame (96) and a driving motor (97); the rotating shaft (92) is arranged on both sides of the interior of the particle dissolving chamber (8); a plurality of stirring rods (91) are arranged at equal intervals on the surface of the rotating shaft (92); a flip assembly (93) is arranged between two adjacent stirring rods (91); a motor frame (96) is arranged on the side of the particle dissolving chamber (8); a driving motor (97) is arranged on the side of the motor frame (96); a rotating shaft of the driving motor (97) is connected to the rotating shaft (92); pulleys (94) are arranged on the sides of the rotating shaft (92); a pulley (94) is nested in the middle of the pulley (94).

3. A waste lithium battery pyrolysis machine according to claim 2, characterized in that: A sealed bearing is provided at the connection between the rotating shaft (92) and the particle melting chamber (8), and the lower end of the stirring rod (91) does not contact the surface of the partition plate (10) or the inner wall of the particle melting chamber (8).

4. A waste lithium battery pyrolysis machine according to claim 2, characterized in that: The flip assembly (93) comprises a fixed rod (931), a sleeve (932), a flip plate (933) and a sleeve rod (934); the surface of the rotating shaft (92) is provided with a sleeve (932); the surface of the sleeve (932) is provided with a plurality of fixed rods (931); the surface of the fixed rod (931) is nested with a sleeve rod (934); and the surface of the sleeve rod (934) is provided with a flip plate (933).

5. A waste lithium battery pyrolysis machine according to claim 1, characterized in that: The gas adsorption component (7) comprises a filter screen (71), an adsorption box (72), an activated carbon adsorption layer (73) and a filter gauze (75); the activated carbon adsorption layer (73) is arranged in the middle of the adsorption box (72); the filter gauze (75) is arranged at the lower end of the adsorption box (72); and the filter screen (71) is arranged at the top of the adsorption box (72).

6. A waste lithium battery pyrolysis machine according to claim 5, characterized in that: A plurality of ventilation holes (74) are arranged inside the activated carbon adsorption layer (73), and the ventilation holes (74) are arranged in an S-shaped structure.

Citation Information

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