A negative pressure hopper device

Abstract

The utility model discloses a kind of negative pressure feeding hopper devices, comprising: feeding hopper body, including discharge port;Deperming mechanism, including distribution cavity, the distribution cavity is connected with the discharge port, distribution cavity bottom is provided with deperming material outlet and magnetic material outlet, hollow roller is provided in the distribution cavity, magnetic piece is provided in the roller, the magnetic piece is fixedly arranged relative to the distribution cavity, the magnetic piece and the roller cooperate on the rotating path of the roller and form fixed magnetic attraction area, the magnetic piece can magnetically attract magnetic metal in material on the roller surface, when the roller circumferential motion drives magnetic metal to leave the magnetic attraction area, magnetic metal falls off from the roller and flows from the magnetic material outlet, after deperming material flows from the deperming material outlet.The utility model can effectively remove magnetic metal impurities in pole piece when feeding, improve the quality of subsequent recycled products.

Description

Technical Field

[0001] This utility model belongs to the field of battery electrode crushing and recycling technology, and specifically relates to a negative pressure feeding hopper device. Background Technology

[0002] With the rapid development of the new energy industry, the use of lithium batteries has increased dramatically, resulting in a large number of waste lithium batteries. Recycling and reusing waste lithium batteries can not only reduce environmental pollution but also achieve effective resource recycling. In the lithium battery recycling process, the crushing and recycling of electrode sheets is a crucial step.

[0003] The existing negative pressure feeding hopper device in electrode crushing and recycling lines has some problems in actual use. On the one hand, electrodes usually contain magnetic metal impurities such as iron, cobalt, nickel and their oxides. If these are not removed in time, they will affect the quality of the subsequently recycled products. On the other hand, during the feeding process, dust is generated because black powder is easily suspended, which not only causes environmental pollution but may also harm the health of operators. At the same time, the diaphragm is also prone to clogging in the feeding hopper, affecting production efficiency. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a negative pressure feeding hopper device, which can effectively remove magnetic metal impurities from the electrode sheets during feeding, thereby improving the quality of subsequent recycled products.

[0005] A negative pressure feeding hopper device according to an embodiment of the present invention includes: a feeding hopper body including a discharge port; a demagnetizing mechanism including a distributing cavity connected to the discharge port, wherein the bottom of the distributing cavity is provided with a demagnetizing material outlet and a magnetic material outlet, wherein a rotatable hollow roller is provided inside the distributing cavity, wherein a magnetic element is provided inside the roller, the magnetic element is fixedly disposed relative to the distributing cavity, and the magnetic element and the roller cooperate to form a fixed magnetic attraction area on the rotation path of the roller, wherein the magnetic element can magnetically attract magnetic metal in the material to the surface of the roller, and when the roller rotates circumferentially and drives the magnetic metal away from the magnetic attraction area, the magnetic metal falls off the roller and flows out from the magnetic material outlet, and the demagnetized material flows out from the demagnetizing material outlet.

[0006] A negative pressure feeding hopper device according to an embodiment of the present utility model has at least the following technical effects: by cooperating with a fixed magnetic component and a rotatable roller, magnetic metals in the material are separated and removed, thereby improving the quality of the subsequently recycled products.

[0007] According to some embodiments of this utility model, the upper end of the material distribution chamber is provided with a feed inlet, which is connected to the discharge outlet. The lower end of the material distribution chamber is provided with a demagnetizing material chamber and a magnetic material chamber. The demagnetizing material outlet is located at the bottom of the demagnetizing material chamber, and the magnetic material outlet is located at the bottom of the magnetic material chamber. The downward projection of the feed inlet is located within the demagnetizing material chamber. After the material enters the material distribution chamber from the discharge outlet of the feeding hopper body, it is distributed by the material distribution chamber, causing the magnetic metal to enter the magnetic material chamber and be discharged from the magnetic material outlet. The remaining material enters the demagnetizing material chamber and is discharged from the demagnetizing material outlet.

[0008] According to some embodiments of this utility model, the roller is disposed below the feed inlet, and there is a gap between the roller and the surface of the magnetic component. The magnetic attraction area is located within the demagnetizing material chamber. After the material enters the distribution chamber from the discharge port of the feeding hopper body, as it flows through the roller, the magnetic metal in the material is attracted to the surface of the roller under the action of the magnetic component. When the magnetic metal rotates with the roller and leaves the magnetic attraction area, it detaches from the roller, enters the magnetic material chamber, and is discharged from the magnetic material outlet.

[0009] According to some embodiments of this utility model, the magnetic component is a columnar body with a fan-shaped cross-section, and the magnetic component and the axis of the roller are on the same straight line.

[0010] According to some embodiments of the present invention, the magnetic component is a permanent magnet, and the roller is a stainless steel roller.

[0011] According to some embodiments of the present invention, the demagnetizing mechanism further includes a drive motor, which can drive the roller to rotate.

[0012] According to some embodiments of this utility model, a guide plate is provided inside the material distribution chamber. The guide plate can cooperate with the feed inlet to guide the material entering from the feed inlet onto the roller. This ensures that all material entering from the feed inlet can contact the roller, thereby allowing the magnetic metal in the material to be attracted to the roller surface by the magnetic components and separated from the material.

[0013] According to some embodiments of this utility model, the feeding hopper body includes a cylindrical part and an inverted conical part. The bottom of the cylindrical part is connected to the top of the inverted conical part. A dust discharge pipe is connected to the side wall of the cylindrical part, and a negative pressure exhaust pipe is connected to one end of the dust discharge pipe. A first valve is provided on the dust discharge pipe. When a large amount of dust is fed into the feeding hopper body, the first valve can be opened to generate negative pressure inside the feeding hopper body, thereby causing the dust inside to be sucked away by the negative pressure exhaust pipe through the dust discharge pipe, thus effectively solving the dust pollution problem during the feeding process. At the same time, the opening size of the first valve can be controlled according to the working conditions to control the dust collection effect, protecting the environment and the health of operators.

[0014] According to some embodiments of this utility model, the first valve is a butterfly valve.

[0015] According to some embodiments of this utility model, the discharge port is located at the lowest point of the inverted conical portion, and an anti-blocking pipe is connected to the inverted conical portion. The anti-blocking pipe is connected to the negative pressure exhaust pipe, and a second valve is provided on the anti-blocking pipe. When abnormal material blockage occurs at the discharge port, the second valve can be opened to allow the abnormal material to be sucked away by the negative pressure exhaust pipe through the anti-blocking pipe, thereby effectively solving the material blockage problem.

[0016] According to some embodiments of this utility model, the anti-blocking pipe is provided on the inverted conical part near the discharge port.

[0017] According to some embodiments of this utility model, a shut-off fan is also included, and the discharge port is connected to the demagnetizing mechanism via the shut-off fan. The shut-off fan further ensures smooth material discharge.

[0018] According to some embodiments of this utility model, a dustproof cover is provided on the feeding hopper body. The dustproof cover can further reduce dust flying.

[0019] According to some embodiments of this utility model, an observation port is provided on the dust cover. The observation port is made of glass and allows observation of the material feeding process inside the hopper.

[0020] According to some embodiments of this utility model, a crane is provided above the feeding hopper body. Materials can be hoisted into the feeding hopper body using the crane. Attached Figure Description

[0021] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a schematic diagram of an embodiment of the present utility model; Figure 2 This is a front view of the demagnetizing mechanism according to an embodiment of the present invention; Figure 3 This is a side view of the demagnetizing mechanism according to an embodiment of the present invention.

[0022] Figure label: 100. Feed hopper body; 100a. Columnar section; 100b. Inverted conical section; 101. Discharge port; 102. Dust exhaust pipe; 103. Negative pressure exhaust pipe; 104. First valve; 105. Anti-clogging pipe; 106. Second valve; 107. Air shut-off fan; 108. Dustproof cover; 109. Crane; 110. Mounting frame; 111. Ladder; 200. Demagnetizing mechanism; 201. Distributing chamber; 202. Demagnetized material outlet; 203. Magnetic material outlet; 204. Roller; 205. Magnetic component; 206. Feed inlet; 207. Demagnetized material chamber; 208. Magnetic material chamber; 209. Drive motor; 210. Belt; 211. First guide plate; 212. Second guide plate. Detailed Implementation

[0023] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0024] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0026] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0027] The following is for reference. Figures 1 to 3 This invention describes a negative pressure feeding hopper device according to an embodiment of the present invention.

[0028] like Figures 1 to 3As shown, a negative pressure feeding hopper device according to an embodiment of the present invention includes: a feeding hopper body 100 and a demagnetizing mechanism 200. The feeding hopper body 100 includes a discharge port 101; the demagnetizing mechanism 200 includes a distributing cavity 201, which is connected to the discharge port 101. The bottom of the distributing cavity 201 is provided with a demagnetized material outlet 202 and a magnetic material outlet 203. A rotatable hollow roller 204 is provided inside the distributing cavity 201, and a [missing information - likely a component or material] is provided inside the roller 204. A magnetic component 205 is fixedly disposed relative to the dispensing chamber 201. The magnetic component 205 cooperates with the roller 204 to form a fixed magnetic attraction area along the rotation path of the roller 204. The magnetic component 205 can magnetically attract magnetic metals in the material to the surface of the roller 204. When the roller 204 rotates, it causes the magnetic metals to leave the magnetic attraction area, causing them to detach from the roller 204 and flow out through the magnetic material outlet 203. The demagnetized material flows out through the demagnetized material outlet 202. By cooperating with the fixed magnetic component 205 and the rotatable roller 204, the magnetic metals in the material are separated and removed, improving the quality of the subsequently recycled products.

[0029] In some specific embodiments of this utility model, the upper end of the material distribution chamber 201 is provided with a feed inlet 206, which is connected to the discharge outlet 101. The lower end of the material distribution chamber 201 is provided with a demagnetizing material chamber 207 and a magnetic material chamber 208. The demagnetizing material outlet 202 is located at the bottom of the demagnetizing material chamber 207, and the magnetic material outlet 203 is located at the bottom of the magnetic material chamber 208. The downward projection of the feed inlet 206 is located inside the demagnetizing material chamber 207. After the material enters the material distribution chamber 201 from the discharge outlet 101 of the feeding hopper body 100, it is distributed by the material distribution chamber 201 so that the magnetic metal enters the magnetic material chamber 208 and is discharged from the magnetic material outlet 203. The remaining material enters the demagnetizing material chamber 207 and is discharged from the demagnetizing material outlet 202.

[0030] In some specific embodiments of this utility model, the roller 204 is disposed below the feed inlet 206, and there is a gap between the magnetic component 205 and the inner surface of the roller 204. The magnetic attraction area is located within the demagnetizing material chamber 207. After the material enters the distribution chamber 201 from the discharge port 101 of the feeding hopper body 100, when it flows through the roller 204, the magnetic metal in the material is magnetically attracted to the magnetic attraction area on the outer surface of the roller 204 under the action of the magnetic component 205. When the magnetic metal rotates with the roller 204 and leaves the magnetic attraction area, it detaches from the roller 204, enters the magnetic material chamber 208, and is discharged from the magnetic material outlet 203.

[0031] In some specific embodiments of this utility model, the magnetic component 205 is a columnar body with a fan-shaped cross-section, and the axis of the magnetic component 205 and the roller 204 are on the same straight line.

[0032] In some specific embodiments of this utility model, the magnetic component 205 is a permanent magnet, and the roller 204 is a stainless steel roller.

[0033] In some specific embodiments of this utility model, the demagnetizing mechanism 200 further includes a drive motor 209, which can drive the roller 204 to rotate. The drive motor 209 drives the roller 204 to rotate via a belt 210.

[0034] In some specific embodiments of this utility model, a guide plate is provided in the material distribution cavity 201. The guide plate can cooperate with the feed inlet 206 to guide the material coming in from the feed inlet 206 to the roller 204.

[0035] like Figure 2 As shown, the guide plate includes a vertically arranged first guide plate 211 and an obliquely arranged second guide plate 212. The upper end of the first guide plate 211 is fixedly connected to the leftmost side of the feed inlet 206, and the upper end of the second guide plate 212 is fixedly connected to the rightmost side of the feed inlet 206. The lower end of the second guide plate 212 is obliquely close to the first guide plate 211. The lower ends of the first guide plate 211 and the second guide plate 212 form a discharge port. The discharge port is located directly above the roller 204, ensuring that all materials entering from the feed inlet can contact the roller 204. At the same time, driven by the drive motor 209, the roller 204 rotates clockwise to bring the material to the magnetic attraction area, so that the magnetic metal in the material is attracted to the surface of the roller 204 by the magnetic component 205 and separated from the material.

[0036] In some specific embodiments of this utility model, the feeding hopper body 100 includes a cylindrical part 100a and an inverted conical part 100b. The bottom of the cylindrical part 100a is connected to the top of the inverted conical part 100b. A dust discharge pipe 102 is connected to the side wall of the cylindrical part 100a. A negative pressure exhaust pipe 103 is connected to one end of the dust discharge pipe 102. A first valve 104 is provided on the dust discharge pipe 102. When a large amount of dust is fed into the feeding hopper body 100, the first valve 104 can be opened to generate a negative pressure inside the feeding hopper body 100. This allows the dust inside to be sucked away by the negative pressure exhaust pipe 103 through the dust discharge pipe 102, thereby effectively solving the dust pollution problem during the feeding process. At the same time, the opening size of the first valve 104 can be controlled according to the working conditions to control the dust suction effect and protect the environment and the health of the operators.

[0037] In some specific embodiments of this utility model, the first valve 104 is a butterfly valve.

[0038] In some specific embodiments of this utility model, the discharge port 101 is located at the lowest point of the inverted conical portion 100b, and an anti-blocking pipe 105 is connected to the inverted conical portion 100b. The anti-blocking pipe 105 is connected to the negative pressure exhaust pipe 103, and a second valve 106 is provided on the anti-blocking pipe 105. When abnormal material blockage occurs at the discharge port 101, the second valve 106 can be opened to allow the abnormal material to pass through the anti-blocking pipe 105 and be sucked away by the negative pressure exhaust pipe 103, thereby effectively solving the material blockage problem.

[0039] In some specific embodiments of this utility model, an anti-blocking pipe 105 is provided on the inverted conical part 100b near the discharge port 101.

[0040] In some specific embodiments of this utility model, a shut-off fan 107 is also included, and the discharge port 101 is connected to the demagnetizing mechanism 200 through the shut-off fan 107. The shut-off fan 107 further ensures the smoothness of material discharge.

[0041] In some specific embodiments of this utility model, a dust cover 108 is provided on the hopper body 100. The dust cover 108 can further reduce dust.

[0042] In some specific embodiments of this utility model, an observation port is provided on the dust cover. The observation port is made of glass and can be used to observe the material feeding situation inside the feeding hopper.

[0043] In some specific embodiments of this utility model, a crane 109 is provided above the feeding hopper body 100. Materials can be hoisted into the feeding hopper body 100 by the crane 109.

[0044] In some specific embodiments of this utility model, the feeding hopper body 100 is mounted on the mounting frame 110, and a ladder 111 is provided on one side of the mounting frame 110.

[0045] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0046] Of course, the present invention is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A negative pressure feeding hopper device, characterized in that, include: The feeding hopper body (100) includes a discharge port (101). The demagnetizing mechanism (200) includes a dispensing chamber (201) connected to the discharge port (101). The bottom of the dispensing chamber (201) is provided with a demagnetizing material outlet (202) and a magnetic material outlet (203). A rotatable hollow roller (204) is disposed inside the dispensing chamber (201), and a magnetic element (205) is disposed inside the roller (204). The magnetic element (205) is fixedly disposed relative to the dispensing chamber (201). The magnetic component (205) cooperates with the roller (204) to form a fixed magnetic attraction area on the rotation path of the roller (204). The magnetic component (205) can magnetically attract the magnetic metal in the material to the surface of the roller (204). When the roller (204) moves in a circular motion, it causes the magnetic metal to leave the magnetic attraction area. The magnetic metal falls off the roller (204) and flows out from the magnetic material outlet (203). The demagnetized material flows out from the demagnetized material outlet (202).

2. The negative pressure feeding hopper device according to claim 1, characterized in that: The upper end of the material distribution chamber (201) is provided with a feed inlet (206), which is connected to the discharge port (101). The lower end of the material distribution chamber (201) is provided with a demagnetizing material chamber (207) and a magnetic material chamber (208). The demagnetizing material outlet (202) is located at the bottom of the demagnetizing material chamber (207), and the magnetic material outlet (203) is located at the bottom of the magnetic material chamber (208). The downward projection of the feed inlet (206) is located inside the demagnetizing material chamber (207).

3. The negative pressure feeding hopper device according to claim 2, characterized in that: The roller (204) is located below the feed inlet (206), the magnetic component (205) has a gap with the inner surface of the roller (204), and the magnetic attraction area is located in the demagnetizing material chamber (207).

4. The negative pressure feeding hopper device according to claim 3, characterized in that: The magnetic component (205) is a columnar body with a fan-shaped cross-section, and the axis of the magnetic component (205) and the axis of the roller (204) are on the same straight line.

5. The negative pressure feeding hopper device according to claim 1, characterized in that: The demagnetizing mechanism (200) also includes a drive motor (209), which can drive the roller (204) to rotate.

6. The negative pressure feeding hopper device according to claim 2, characterized in that: The material distribution chamber (201) is provided with a guide plate, which can cooperate with the feed inlet (206) to guide the material coming in from the feed inlet (206) onto the roller (204).

7. The negative pressure feeding hopper device according to claim 1, characterized in that: The feeding hopper body (100) includes a cylindrical part (100a) and an inverted conical part (100b). The bottom of the cylindrical part (100a) is connected to the top of the inverted conical part (100b). A dust discharge pipe (102) is connected to the side wall of the cylindrical part (100a). A negative pressure exhaust pipe (103) is connected to one end of the dust discharge pipe (102). A first valve (104) is provided on the dust discharge pipe (102).

8. A negative pressure feeding hopper device according to claim 7, characterized in that: The discharge port (101) is located at the lowest point of the inverted conical part (100b). An anti-blocking pipe (105) is connected to the inverted conical part (100b). The anti-blocking pipe (105) is connected to the negative pressure exhaust pipe (103). A second valve (106) is provided on the anti-blocking pipe (105).

9. A negative pressure feeding hopper device according to claim 1, characterized in that: It also includes a shut-off fan (107), and the discharge port (101) is connected to the demagnetizing mechanism (200) through the shut-off fan (107).

10. A negative pressure feeding hopper device according to claim 1, characterized in that: The hopper body (100) is provided with a dust cover (108).

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