Lithium battery pyrolysis waste gas recovery defluorination wastewater zero discharge equipment

Abstract

The utility model provides lithium battery pyrolysis waste gas recovery defluorination wastewater zero discharge equipment, and belongs to the technical field of wastewater treatment. The lithium battery pyrolysis waste gas recovery defluorination wastewater zero discharge equipment comprises a stirring assembly and a chemical adding assembly, the stirring assembly comprises a reaction tank, a driving part, a moving plate and a stirring part, and the chemical adding assembly comprises a chemical storage box, a chemical adding valve pipe, a gear, an elastic part, a rack plate and a top plate. The fluorine-containing wastewater treatment device is provided with a reaction tank, a driving part, a moving plate and a stirring part, the driving part drives the stirring part to move, fluorine-containing wastewater in the reaction tank can be stirred, a chemical storage box, a chemical adding valve pipe, a gear, an elastic part, a rack plate and a top plate are arranged, the rack plate and the gear are meshed, and the elastic part and the top plate are matched, so that the chemical adding valve pipe can be controlled to be opened and closed at intervals; and along with movable stirring, the uniformity of the medicament added and mixed into the fluorine-containing wastewater is greatly improved, the medicament is reasonably added, the effect is improved, and the cost is saved.

Description

Technical Field

[0001] The present application relates to the field of wastewater treatment, and more specifically, to a lithium battery pyrolysis waste gas recovery and defluorination wastewater zero-discharge equipment. Background Art

[0002] Lithium battery is a kind of battery that uses lithium metal or lithium alloy as positive and negative electrode materials and non-aqueous electrolyte solution. The main value direction of lithium battery recycling lies in recycling the rare precious metal materials on the positive electrode of lithium battery. The types of these positive electrodes mainly include: ternary lithium, lithium iron phosphate, lithium cobalt oxide, lithium manganese oxide, etc. Waste lithium-ion batteries contain a large amount of organic matter such as electrolyte, binder and diaphragm. If not handled properly, it will cause serious pollution to the ecological environment. In the industrial field, pyrolysis treatment is usually used to remove organic matter.

[0003] In the process of recovering fluorine from lithium battery pyrolysis waste gas, the waste gas is usually sprayed to remove fluorine. In the zero-emission treatment process of fluorine-containing wastewater produced by spraying, multiple steps are required, including adding reagents to the reaction pool. However, the traditional reaction pool is not uniform when adding reagents, resulting in poor reaction effect and reduced reaction efficiency. Excessive addition will increase costs. Utility Model Content

[0004] In order to make up for the above shortcomings, the present application provides a lithium battery pyrolysis waste gas recovery and defluorination wastewater zero emission equipment, which aims to improve the problems raised in the above background technology.

[0005] The embodiment of the present application provides a lithium battery pyrolysis waste gas recovery and defluorination wastewater zero-discharge equipment including a stirring component and a dosing component.

[0006] The stirring assembly comprises a reaction pool, a driving member, a moving plate and a stirring member, wherein the driving member is arranged on the top of the reaction pool, the moving plate is arranged on the top of the driving member, and the stirring member is installed on the moving plate.

[0007] The dosing assembly includes a medicine storage box, a dosing valve tube, a gear, an elastic member, a rack plate and a top plate. The medicine storage box is arranged on the top of the movable plate, the dosing valve tube is connected and arranged at the bottom of the medicine storage box, the gear is installed on the end of the dosing valve tube, the elastic member is arranged on the top of the movable plate, the rack plate is arranged on one side of the elastic member and meshed with the gear, and the top plate is arranged on the outside of the reaction pool.

[0008] In a specific embodiment, the driving member includes a threaded rod and a first motor, the threaded rod is rotatably installed on the top of the reaction pool, the first motor is installed on one side of the reaction pool and is transmission-connected to the threaded rod, and the movable plate is threadedly sleeved on the surface of the threaded rod.

[0009] In the above implementation process, by setting the threaded rod and the first motor, the first motor is started, the first motor drives the threaded rod to rotate, and the threaded rod drives the movable plate to move through the thread transmission principle.

[0010] In a specific embodiment, a guide rod is provided on the top of the reaction pool, and the movable plate is slidably sleeved on the surface of the guide rod.

[0011] In the above implementation process, a guide rod is provided to limit the rotation of the movable plate when it is driven by the thread transmission, thereby guiding the movable plate to move linearly.

[0012] In a specific embodiment, the stirring member includes a stirring frame and a second motor, the stirring frame is rotatably arranged at the bottom of the movable plate, and the second motor is installed on the top of the movable plate and is transmission-connected to the stirring frame.

[0013] In the above implementation process, a stirring frame and a second motor are provided, the second motor is started, and the second motor drives the stirring frame to rotate, and the stirring frame stirs and mixes the fluorine-containing wastewater in the reaction tank with the reagent.

[0014] In a specific embodiment, the dosing valve pipe includes a dosing pipe and a valve, the dosing pipe is connected to the bottom of the medicine storage box, the valve is connected to the dosing pipe, and the gear is installed on the valve shaft end.

[0015] In the above implementation process, by setting a dosing pipe and a valve, the valve is used to control the on-off of the dosing pipe, thereby controlling the addition of medicines in the medicine storage box.

[0016] In a specific embodiment, the elastic member includes a fixed plate, a sliding rod, a spring and a connecting plate, the fixed plate is fixedly connected to the movable plate, the sliding rod slides through the fixed plate, the spring is sleeved on the surface of the sliding rod, and the connecting plate is connected to the rack plate and the sliding rod.

[0017] In the above implementation process, by setting a fixed plate, a sliding rod, a spring and a connecting plate, when the sliding rod is squeezed, the sliding rod pushes the connecting plate to move and squeezes the spring at the same time, the connecting plate drives the rack plate to move, the rack plate engages to drive the gear to rotate, the gear drives the valve shaft to rotate, thereby opening the valve; when the squeezing of the sliding rod is removed, the spring elasticity recovers and pushes the sliding rod, the sliding rod drives the rack plate to move, and the rack plate drives the gear to rotate in the opposite direction, thereby controlling the valve to close.

[0018] In a specific implementation, an arc block is provided at the end of the sliding rod, and an arc-shaped protrusion is provided on the top plate.

[0019] In the above implementation process, by providing the arc-shaped blocks and the arc-surface protrusions and utilizing the mutual contact of the arc-shaped surfaces, it is beneficial to perform smooth extrusion during the relative movement process.

[0020] In a specific embodiment, the reaction tanks are all provided with the top plates and are arranged in a staggered manner.

[0021] In the above implementation process, by providing two sets of staggered top plates, reagents can be added to the reaction tank alternately and more evenly.

[0022] Beneficial effects: The present application provides a lithium battery pyrolysis waste gas recovery and defluorination wastewater zero emission equipment, which can stir the fluorine-containing wastewater in the reaction pool by arranging a reaction tank, a driving member, a movable plate and a stirring member, and using the driving member to drive the stirring member to move. By arranging a medicine storage box, a dosing valve pipe, gears, elastic members, a rack plate and a top plate, and utilizing the meshing of the rack plate and the gear, in conjunction with the elastic member and the top plate, the dosing valve pipe can be controlled to be opened and closed at intervals, thereby adding reagents at intervals, accompanied by moving and stirring, which greatly improves the uniformity of the addition and mixing of the reagents into the fluorine-containing wastewater, and reasonably adds reagents, improves the effect and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 This is a schematic diagram of the structure of a zero-discharge device for recovering fluorine-free wastewater from lithium battery pyrolysis waste gas provided in an embodiment of the present application;

[0025] Figure 2 A schematic diagram of the structure of a stirring assembly provided in an embodiment of the present application;

[0026] Figure 3 A schematic diagram of the elastic member structure provided in an embodiment of the present application;

[0027] Figure 4 This is a schematic diagram of the dosing valve pipe structure provided in an embodiment of the present application.

[0028] In the figure: 100-stirring assembly; 110-reaction tank; 111-guide rod; 120-driving member; 121-threaded rod; 122-first motor; 130-moving plate; 140-stirring member; 141-stirring frame; 142-second motor; 200-dosing assembly; 210-drug storage box; 240-dosing valve pipe; 241-dosing pipe; 242-valve; 250-gear; 260-elastic member; 261-fixed plate; 262-sliding rod; 2621-arc block; 263-spring; 264-connecting plate; 270-rack plate; 280-top plate; 281-arc protrusion. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0030] See also Figure 1-Figure 4 The present application provides a lithium battery pyrolysis waste gas recovery and defluorination wastewater zero-discharge device including a stirring component 100 and a dosing component 200.

[0031] See also Figure 1 and 2 The stirring assembly 100 includes a reaction pool 110, a driving member 120, a movable plate 130 and a stirring member 140. The driving member 120 is arranged on the top of the reaction pool 110, the movable plate 130 is arranged on the top of the driving member 120, and the stirring member 140 is installed on the movable plate 130.

[0032] Among them, the driving member 120 includes a threaded rod 121 and a first motor 122. The threaded rod 121 is rotatably installed on the top of the reaction pool 110. The first motor 122 is installed on one side of the reaction pool 110 and is transmission-connected to the threaded rod 121. The movable plate 130 is threadedly sleeved on the surface of the threaded rod 121. By setting the threaded rod 121 and the first motor 122, the first motor 122 is started, and the first motor 122 drives the threaded rod 121 to rotate, and the threaded rod 121 drives the movable plate 130 to move through the principle of threaded transmission.

[0033] In a specific implementation scheme, a guide rod 111 is provided on the top of the reaction pool 110, and the movable plate 130 is slidably sleeved on the surface of the guide rod 111. The guide rod 111 is provided to limit the rotation of the movable plate 130 during the process of being driven by the threaded transmission and guide its linear movement.

[0034] Among them, the stirring member 140 includes a stirring frame 141 and a second motor 142. The stirring frame 141 is rotatably arranged at the bottom of the movable plate 130. The second motor 142 is installed on the top of the movable plate 130 and is transmission-connected to the stirring frame 141. By setting the stirring frame 141 and the second motor 142, the second motor 142 is started, and the second motor 142 drives the stirring frame 141 to rotate. The stirring frame 141 stirs and mixes the fluorine-containing wastewater in the reaction tank 110 with the reagent.

[0035] Specifically, the dosing valve pipe 240 includes a dosing pipe 241 and a valve 242. The dosing pipe 241 is connected and arranged at the bottom of the medicine storage box 210, and the valve 242 is connected and arranged at the dosing pipe 241. The gear 250 is installed on the rotating shaft end of the valve 242. By setting the dosing pipe 241 and the valve 242, the valve 242 is used to control the on and off of the dosing pipe 241, thereby controlling the addition of medicines in the medicine storage box 210.

[0036] See also Figure 1 , 2 , 3 and 4, the dosing component 200 includes a medicine storage box 210, a dosing valve tube 240, a gear 250, an elastic member 260, a rack plate 270 and a top plate 280, the medicine storage box 210 is arranged on the top of the movable plate 130, the dosing valve tube 240 is connected and arranged at the bottom of the medicine storage box 210, the gear 250 is installed at the end of the dosing valve tube 240, the elastic member 260 is arranged on the top of the movable plate 130, the rack plate 270 is arranged on one side of the elastic member 260 and meshed with the gear 250, and the top plate 280 is arranged on the outside of the reaction tank 110.

[0037] In this embodiment, the elastic member 260 includes a fixed plate 261, a slide bar 262, a spring 263 and a connecting plate 264. The fixed plate 261 is fixedly connected to the movable plate 130, the slide bar 262 slides through the fixed plate 261, the spring 263 is sleeved on the surface of the slide bar 262, and the connecting plate 264 is connected to the rack plate 270 and the slide bar 262. By setting the fixed plate 261, the slide bar 262, the spring 263 and the connecting plate 264, when the slide bar 262 is squeezed, the slide bar 262 pushes The connecting plate 264 is moved and the spring 263 is squeezed at the same time. The connecting plate 264 drives the rack plate 270 to move. The rack plate 270 engages and drives the gear 250 to rotate. The gear 250 drives the rotating shaft of the valve 242 to rotate to, thereby opening the valve 242. When the squeezing of the slide rod 262 is removed, the spring 263 elastically recovers and pushes the slide rod 262. The slide rod 262 drives the rack plate 270 to move. The rack plate 270 drives the gear 250 to rotate in the opposite direction, thereby controlling the valve 242 to close.

[0038] Among them, an arc block 2621 is provided at the end of the slide rod 262, and an arc surface protrusion 281 is provided on the top plate 280. By providing the arc block 2621 and the arc surface protrusion 281, the mutual contact of the arc surfaces is utilized, which is conducive to smooth extrusion during the relative movement.

[0039] It should be noted that the reaction pools 110 are all provided with top plates 280 and are arranged in a staggered manner. By providing two sets of staggered top plates 280 , reagents can be added to the reaction pools 110 alternately and more evenly.

[0040] The working principle of the lithium battery pyrolysis waste gas recovery and defluorination wastewater zero emission equipment is as follows: when in use, the first motor 122 is started, the first motor 122 drives the threaded rod 121 to rotate, the threaded rod 121 drives the moving plate 130 to move through the thread transmission principle, the moving plate 130 moves linearly under the guidance of the guide rod 111, the moving plate 130 drives the medicine storage box 210, the dosing valve tube 240, the gear 250, the elastic member 260 and the rack plate 270 to move, during the movement, the arc block 2621 contacts the arc surface protrusion 281, the arc block 2621 squeezes the spring 263, and then the slide bar 262 is squeezed, the slide bar 262 pushes the connecting plate 264, the connecting plate 264 drives the rack plate 270 to move, the rack plate 270 meshes and drives the gear 250 to rotate, and the gear 250 drives the valve 242 to rotate The shaft rotates to open the valve 242, so that the medicine in the medicine storage box 210 is added into the reaction tank 110 through the medicine adding pipe 241. With the continuous movement, the spring 263 elastically recovers and pushes the slide bar 262, and the slide bar 262 drives the rack plate 270 to move, and the rack plate 270 drives the gear 250 to rotate in the opposite direction, thereby controlling the valve 242 to close, so as to achieve the purpose of adding medicine at intervals. The two staggered groups of top plates 280 can alternately add medicine to the reaction tank 110, which is more uniform. At the same time, the second motor 142 is started, and the second motor 142 drives the stirring frame 141 to rotate. The stirring frame 141 stirs and mixes the fluorine-containing wastewater in the reaction tank 110 with the medicine. Accompanied by the moving stirring, the uniformity of the addition and mixing of the medicine into the fluorine-containing wastewater is greatly improved, and the medicine is added reasonably to improve the effect and save costs.

[0041] It should be noted that the specific models and specifications of the first motor 122 and the second motor 142 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the field, so it will not be described in detail.

[0042] The power supply and principle of the first motor 122 and the second motor 142 are clear to those skilled in the art and will not be described in detail herein.

[0043] It is obvious to those skilled in the art that the present application is not limited to the details of the exemplary embodiments described above, and that the present application can be implemented in other specific forms without departing from the spirit or essential features of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting in all respects, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present application. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A lithium battery pyrolysis waste gas recovery and defluorination wastewater zero discharge equipment, characterized in that: The stirring assembly (100) comprises a reaction pool (110), a driving member (120), a movable plate (130) and a stirring member (140), wherein the driving member (120) is arranged on the top of the reaction pool (110), the movable plate (130) is arranged on the top of the driving member (120), and the stirring member (140) is installed on the movable plate (130); A dosing assembly (200), the dosing assembly (200) comprising a medicine storage box (210), a dosing valve tube (240), a gear (250), an elastic member (260), a rack plate (270) and a top plate (280), wherein the medicine storage box (210) is arranged on the top of the movable plate (130), the dosing valve tube (240) is connected and arranged at the bottom of the medicine storage box (210), the gear (250) is installed at the end of the dosing valve tube (240), the elastic member (260) is arranged on the top of the movable plate (130), the rack plate (270) is arranged on one side of the elastic member (260) and meshed with the gear (250), and the top plate (280) is arranged on the outside of the reaction pool (110).

2. A lithium battery pyrolysis waste gas recovery and defluorination wastewater zero discharge equipment according to claim 1, characterized in that: The driving member (120) comprises a threaded rod (121) and a first motor (122); the threaded rod (121) is rotatably mounted on the top of the reaction pool (110); the first motor (122) is mounted on one side of the reaction pool (110) and is transmission-connected to the threaded rod (121); and the movable plate (130) is threadedly sleeved on the surface of the threaded rod (121).

3. The zero-discharge equipment for recovering defluorination wastewater from lithium battery pyrolysis waste gas according to claim 1, characterized in that: A guide rod (111) is arranged on the top of the reaction pool (110), and the movable plate (130) is slidably sleeved on the surface of the guide rod (111).

4. The zero-discharge equipment for recovering defluorination wastewater from lithium battery pyrolysis waste gas according to claim 1, characterized in that: The stirring member (140) comprises a stirring frame (141) and a second motor (142); the stirring frame (141) is rotatably arranged at the bottom of the movable plate (130); and the second motor (142) is installed at the top of the movable plate (130) and is transmission-connected to the stirring frame (141).

5. The zero-discharge equipment for recovering defluorination wastewater from lithium battery pyrolysis waste gas according to claim 1, characterized in that: The dosing valve pipe (240) comprises a dosing pipe (241) and a valve (242); the dosing pipe (241) is connected to the bottom of the medicine storage box (210); the valve (242) is connected to the dosing pipe (241); and the gear (250) is installed on the rotating shaft end of the valve (242).

6. The zero-discharge equipment for recycling defluorination wastewater from lithium battery pyrolysis waste gas according to claim 1, characterized in that: The elastic member (260) comprises a fixed plate (261), a sliding rod (262), a spring (263) and a connecting plate (264); the fixed plate (261) is fixedly connected to the movable plate (130); the sliding rod (262) slides through the fixed plate (261); the spring (263) is sleeved on the surface of the sliding rod (262); and the connecting plate (264) is connected to the rack plate (270) and the sliding rod (262).

7. A lithium battery pyrolysis waste gas recovery and defluorination wastewater zero discharge equipment according to claim 6, characterized in that: The end of the sliding rod (262) is provided with an arc-shaped block (2621), and the top plate (280) is provided with an arc-surface protrusion (281).

8. The zero-discharge equipment for recycling defluorination wastewater from lithium battery pyrolysis waste gas according to claim 1, characterized in that: The reaction tanks (110) are all provided with the top plates (280) and are arranged in a staggered manner.

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