Lithium battery negative electrode material storage and transportation system

Abstract

The utility model discloses a lithium battery cathode material storage and transportation system, which relates to the technical field of powder material storage and transportation and comprises a box body, the box body comprises a shell and a lining arranged in the shell, one end of the shell is provided with a feed port and a dust removal port, the other end of the shell is provided with a discharge port, and the feed port, the dust removal port and the discharge port are respectively communicated with the lining. The dust removal port is connected with a dust remover. Through the arrangement of the shell, the lining, the feeding port, the discharging port and the dust removal port, storage and transportation of materials can be achieved, a ton bag packaging mode is replaced, cyclic utilization is achieved, harm to human bodies caused by dust dissipation in the packaging and unpackaging process can be avoided, the purity of the materials can be guaranteed, and dissipation and residual waste are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of powder material storage and transportation, in particular to a lithium battery negative electrode material storage and transportation system. Background Art

[0002] As one of the key materials for lithium batteries, negative electrode materials account for about 10% to 20% of the total cost of lithium batteries. Artificial (natural) graphite has a stable discharge platform and good cycle performance, and has obvious price advantages. It is currently the commercial negative electrode material with the highest market share.

[0003] At present, the storage and transportation method of lithium battery negative electrode materials is mainly based on ton bags. According to the product quality and use, ton bags are lined with aluminum plastic film, PE film and other products of different prices. After loading and packaging with packaging equipment, the ton bags are transported to downstream graphite chemical plants, battery cell plants or stored in warehouses, and unloaded or stored in downstream factories using unpacking equipment.

[0004] However, this storage and transportation method has the following technical defects:

[0005] (1) It is necessary to equip upstream and downstream factories with more packaging and unpacking equipment and operators. Dust emission frequently occurs during the packaging and unpacking of ton bags, and the probability of employees being harmed by dust is very high, resulting in a poor working environment and high labor intensity.

[0006] (2) Dust emission and material residue in ton bags cause waste;

[0007] (3) Both upstream and downstream factories need to be equipped with certain storage plants, and the recycling rate of ton bags is low, resulting in a large waste of resources and increased operating costs. Utility Model Content

[0008] The purpose of the utility model is to provide a lithium battery negative electrode material storage and transportation system for solving the above technical problems.

[0009] The technical solution adopted by the utility model is as follows:

[0010] A lithium battery negative electrode material storage and transportation system comprises a box body, wherein the box body comprises a shell and an inner liner arranged inside the shell, one end of the shell is provided with a feed port and a dust removal port, and the other end of the shell is provided with a discharge port, the feed port, the dust removal port and the discharge port are respectively communicated with the inner liner, and the dust removal port is used to connect to a dust collector.

[0011] Preferably, the shell and the liner are both made of stainless steel.

[0012] Preferably, the liner comprises a square cylinder and a conical cylinder connected to the square cylinder.

[0013] As a further preference, the outer wall of the square cylinder contacts the inner wall of the shell, one end of the conical cylinder is connected to one end of the square cylinder, the other end of the conical cylinder is connected to the discharge port, and the other end of the square cylinder is connected to the feed port and the dust removal port.

[0014] Preferably, a connecting piece is further included, and the feed port is connected to an air flow conveying pipeline via the connecting piece.

[0015] As a further preference, the connecting piece is a bayonet or a clamp.

[0016] Preferably, it further comprises a box turning device, and the box is detachably mounted on the box turning device.

[0017] As a further preference, a weighing mechanism is provided at the lower end of the box turning device.

[0018] The above technical solution has the following advantages or beneficial effects:

[0019] In the utility model, by arranging the shell, the lining, the feed port, the discharge port and the dust removal port, the storage and transportation of materials can be realized, the ton bag packaging mode is replaced, the recycling is realized, the harm to the human body caused by the escape of dust during the packing and unpacking process can be avoided, the purity of the material can be ensured, and the escape and residual waste can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the storage and transportation system of lithium battery negative electrode materials in the utility model;

[0021] Figure 2 It is a structural schematic diagram of the cooperation between the box body and the box body turning device in the utility model.

[0022] In the figure: 1. Box body; 2. Shell; 3. Liner; 4. Discharge port; 5. Conical cylinder; 6. Square cylinder; 7. Feed port; 8. Dust removal port; 9. Box turning device. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, if the terms "first", "second", "third" appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, 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 be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Figure 1 It is a structural schematic diagram of the storage and transportation system of lithium battery negative electrode materials in the utility model; Figure 2 This is a schematic diagram of the structure of the box body and the box body turning device in the utility model. Figure 1 to Figure 2 As shown, a preferred embodiment is shown, which shows a lithium battery negative electrode material storage and transportation system, including a box body 1, the box body 1 includes a shell 2 and a liner 3 arranged inside the shell 2, one end of the shell 2 is provided with a feed port 7 and a dust removal port 8, and the other end of the shell 2 is provided with a discharge port 4, the feed port 7, the dust removal port 8 and the discharge port 4 are respectively connected to the liner 3, and the dust removal port 8 is used to connect to the dust collector. In this embodiment, the box body 1 can store materials, replace the ton bag packaging mode, and realize recycling. It can also reduce the number of workers in the packaging and unpacking workshops, improve the degree of automation, reduce manual packaging, unpacking, and manual forklift transportation processes, and effectively improve the loading and unloading efficiency. And by connecting the dust collector with the dust removal port 8 in conjunction with the pipeline, it can avoid the harm of dust emission to the human body, and can also ensure the purity of the material, reduce the emission and residual waste.

[0027] Moreover, materials can be stored in the box 1, which can meet the needs of open-air stacking and save storage plant facilities.

[0028] In this embodiment, the shell 1 and the liner 3 are both made of stainless steel, which can extend the service life of the box 1.

[0029] In this embodiment, the liner 3 is fixedly arranged inside the shell 2, and the feed port 7, the discharge port 4 and the dust removal port 8 are respectively connected to the liner 3, the feed port 7 can be connected to the air flow conveying pipeline at the discharge end of the external temporary storage bin to convey materials into the liner 3, and the dust removal port 8 can be connected to the external dust collector through the pipeline to absorb the dust raised in the liner 3 to prevent the dust from being scattered. The discharge port 4 can be connected to the external temporary storage bin feed pipeline to facilitate the entry of materials into the temporary storage bin.

[0030] Further, as a preferred embodiment, the liner 3 includes a square cylinder 6 and a conical cylinder 5 connected to the square cylinder 6. The square cylinder 6 and the conical cylinder 5 are connected in one piece or by welding, and the square cylinder 6 and the conical cylinder 5 are in communication, wherein the inner wall of the liner 3 needs to be polished to reduce the residual material in the liner 3 and avoid waste. The repose angle of the conical cylinder 5 can be determined according to the fluidity of the material.

[0031] Furthermore, as a preferred embodiment, the outer wall of the square cylinder 6 contacts the inner wall of the shell 2, one end of the conical cylinder 5 is connected to one end of the square cylinder 6, the other end of the conical cylinder 5 is connected to the discharge port 4, and the other end of the square cylinder 6 is connected to the feed port 7 and the dust removal port 8.

[0032] Furthermore, as a preferred embodiment, it also includes a connecting piece, and the feed port 7 is connected to an air flow conveying pipe through the connecting piece. Among them, the connecting piece can be a bayonet or a clamp or a clamp structure, and the air flow conveying pipe is the air flow conveying pipe at the discharge end of the temporary storage bin, and the material in the temporary storage bin can enter the feed port 7 through the air flow conveying pipe, and then enter the square cylinder 6. The discharge port 4 and the feed pipe at the feed end of the temporary storage bin can also be connected by a connecting piece, and the dust removal port 8 and the pipe can also be connected by a connecting piece. In this embodiment, it also includes a loading air flow conveying device and a discharging air flow conveying device, which are used to connect to the negative electrode material temporary storage bin, and complete the loading and unloading of materials through air flow conveying. Among them, the loading air flow conveying device and the discharging air flow conveying device are common equipment on the market, and they are no longer limited here.

[0033] Among them, manual gate valves can be provided on the dust removal port 8, the feed port 7 and the discharge port 4 to cut off or open the dust removal port 8, the feed port 7 and the discharge port 4. In other embodiments, the dust removal port 8, the feed port 7 and the discharge port 4 can also be provided with a similar manually operated valve structure.

[0034] Further, as a preferred embodiment, it also includes a box turning device 9, and the box 1 is detachably arranged on the box turning device 9. Figure 2As shown, the box flipping device 9 is a common device on the market, and its specific structure is not described here. The box flipping device 9 is used to flip the box 1 so that the box 1 can be switched between a horizontal state and a vertical state. In this embodiment, a box 1 transportation device is also included, and the box 1 transportation device can be a container transfer vehicle, a forklift or a container stacker.

[0035] Further, as a preferred embodiment, a weighing mechanism is provided at the lower end of the box turning device 9 for weighing the weight of the material, and a display connected to the weighing mechanism is provided on the box turning device 9 for displaying the weight information of the material. The weighing mechanism may be a weighing sensor or an electronic scale.

[0036] During loading, the empty box 1 is transferred to the corresponding position of the box flipping device 9 by a container transfer truck or forklift. After the box flipping device 9 is operated to clamp and firmly flip the box 1 to the feed port 7 vertically facing upward on the ground, the air flow conveying pipe at the discharge end of the temporary storage bin is manually connected to the feed port 7 on the platform, and the dust collector is connected to the dust removal port 8 through a pipeline. Then, the discharge air flow conveying device and the dust removal device are turned on to start feeding. According to the weighing measurement of the weighing mechanism of the box flipping device 9, the discharge air flow conveying device and the dust removal device are closed when the feeding reaches the set weight, and the feed port 7 and the dust removal port 8 are manually disconnected and sealed (can be sealed by a sealing cover), and the loading is completed. The box flipping device 9 is operated to flip the box 1 to a state where the feed port 7 is horizontal to the ground, and it is placed on a container stacker and transferred to an external temporary storage area for stacking or placed on a container transfer truck for transportation to a graphitization processing plant, a battery cell factory, etc.

[0037] During unloading: the container transfer vehicle or container stacking machine transfers the box body 1 to the corresponding position of the box body turning device 9, turns it over so that the discharge port 4 is vertically facing downward on the ground, manually connects the feed pipe at the feed end of the temporary storage bin to the discharge port 4, turns on the feeding air flow conveying device and dust removal device of the temporary storage bin, and starts discharging.

[0038] According to the weighing measurement of the weighing mechanism of the box turning device 9, when the set weight is reached, the feeding air flow conveying equipment and dust removal equipment of the temporary storage bin are closed, the feeding pipe connected to the discharge port 4 is manually disconnected and the discharge port 4 is sealed, and the unloading is completed. The box turning device 9 is operated to turn the box 1 until the discharge port 4 is level with the ground, and the box is placed on a forklift and transferred to the temporary storage area for stacking or placed on a container transfer truck to return to the upstream factory.

[0039] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A lithium battery negative electrode material storage and transportation system, characterized in that: The box body includes a shell and an inner liner arranged inside the shell. One end of the shell is provided with a feed port and a dust removal port, and the other end of the shell is provided with a discharge port. The feed port, the dust removal port and the discharge port are respectively connected to the inner liner, and the dust removal port is used to connect to a dust collector.

2. The lithium battery negative electrode material storage and transportation system according to claim 1, characterized in that: The shell and the liner are both made of stainless steel.

3. The lithium battery negative electrode material storage and transportation system according to claim 1, characterized in that: The liner comprises a square cylinder and a conical cylinder connected to the square cylinder.

4. The lithium battery negative electrode material storage and transportation system according to claim 3, characterized in that: The outer wall of the square cylinder contacts the inner wall of the shell, one end of the conical cylinder is connected to one end of the square cylinder, the other end of the conical cylinder is connected to the discharge port, and the other end of the square cylinder is connected to the feed port and the dust removal port.

5. The lithium battery negative electrode material storage and transportation system according to claim 1, characterized in that: It also includes a connecting piece, and the feed port is connected to an air flow conveying pipeline through the connecting piece.

6. The lithium battery negative electrode material storage and transportation system according to claim 5, characterized in that: The connecting piece is a bayonet or a clamp.

7. The lithium battery negative electrode material storage and transportation system according to claim 1, characterized in that: It also includes a box turning device, and the box is detachably arranged on the box turning device.

8. The lithium battery negative electrode material storage and transportation system according to claim 7, characterized in that: A weighing mechanism is provided at the lower end of the box turning device.

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