Electrified crushing device for retired power lithium battery

Abstract

The utility model discloses a decommissioned power lithium battery charged crushing device, the decommissioned power lithium battery charged crushing device comprises a device body, a crusher, a material receiving mechanism and a detection mechanism, the top of the device body is provided with a feed port, the bottom of the device body is provided with a discharge port, an inert gas environment is maintained in the device body, and the detection mechanism is connected with the crusher. The crusher is communicated with the middle of the device body to crush materials, the material receiving mechanism is located below the device body and used for receiving the crushed materials, and the detection mechanism comprises an infrared temperature sensor. The infrared temperature sensor is located on one side of the device body and used for detecting temperature changes when materials in the device body are crushed. The charged crushing device for the retired power lithium battery provided by the utility model has the advantages that the charged crushing process is monitored in real time, and the safety is good.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery recycling, in particular to a live crushing device for retired power lithium batteries. Background Art

[0002] The vigorous development of the new energy vehicle industry has brought new vitality to the comprehensive recycling industry of retired power lithium batteries. The most mature and diverse technology in the comprehensive recycling industry of retired power lithium batteries is the pretreatment stage. Crushing in the pretreatment stage is particularly important for the comprehensive recycling of retired lithium batteries, which is related to the operating efficiency of subsequent production lines, metal extraction rate and corporate profitability. Traditional industrial technology generally adopts the low-energy consumption method of salt water discharge, but there are still problems such as long time consumption and the need to treat secondary pollutants such as waste gas and wastewater. As a result, live crushing technology without discharge came into being, but the energy density of retired power lithium batteries is relatively high, and direct live crushing poses great safety risks. Utility Model Content

[0003] The utility model aims to solve one of the technical problems in the related art at least to a certain extent. To this end, the embodiment of the utility model provides a live crushing device for retired power lithium batteries, which has the advantages of real-time monitoring of the live crushing process and good safety.

[0004] According to the live crushing device for retired power lithium batteries of the embodiment of the utility model, the live crushing device for retired power lithium batteries comprises a device body, a crusher, a material receiving mechanism and a detection mechanism. A feed port is arranged at the top of the device body, a discharge port is arranged at the bottom of the device body, an inert gas environment is maintained inside the device body, the crusher is connected to the middle part of the device body for crushing materials, the material receiving mechanism is located below the device body for receiving crushed materials, and the detection mechanism comprises an infrared temperature sensor, and the infrared temperature sensor is located on one side of the device body for detecting temperature changes when materials inside the device body are crushed.

[0005] The live crushing device for retired power lithium batteries according to the embodiment of the utility model has the advantage of real-time monitoring of the live crushing process and good safety.

[0006] In some embodiments, the detection mechanism further includes an oxygen analyzer, an oxygen analysis port is provided on the device body, and a detection end of the oxygen analyzer enters into the device body from the oxygen analysis port.

[0007] In some embodiments, the material receiving mechanism includes a material receiving box and a material receiving tray, the material receiving box is connected to the discharge port, and the material receiving tray is located in the material receiving box to receive materials.

[0008] In some embodiments, an exhaust gas discharge port is provided on the material receiving box for discharging exhaust gas.

[0009] In some embodiments, a transparent observation window is provided on the side wall of the crusher chamber of the crusher for observing the crushing situation.

[0010] In some embodiments, the charged crushing device for retired power lithium batteries further includes a monitoring camera, and the monitoring camera is arranged corresponding to the transparent observation window for monitoring the crushing situation in the crusher chamber.

[0011] In some embodiments, a nitrogen filling port is provided on the device body, and the nitrogen filling port is used for conveying nitrogen into the device body, and the nitrogen filling port is located between the feeding port and the crusher.

[0012] In some embodiments, the device body has a metal shell, and a wire is provided on the metal shell, and the wire is electrically connected to the metal shell for discharging the metal shell.

[0013] In some embodiments, the charged crushing device for retired power lithium batteries further includes a feeding valve and a discharging valve, the feeding valve is used for controlling the opening and closing of the feeding port, and the discharging valve is used for controlling the opening and closing of the discharging port.

[0014] The present application has the following advantages compared with the related art: directly performing crushing treatment on retired power lithium batteries can greatly improve the operation efficiency of the comprehensive utilization production line of retired power lithium batteries and promote industrialized production; it is applicable to engineering projects and can also be miniaturized for laboratory research, the visualization of the charged crushing process can be realized, and various sensing systems can also meet various scientific research needs and can provide real-time feedback of crushing data. Description of the Drawings

[0015] Figure 1 is a schematic structural diagram of the charged crushing device for retired power lithium batteries according to an embodiment of the present invention.

[0016] Figure 2 is a side view of the charged crushing device for retired power lithium batteries according to an embodiment of the present invention.

[0017] Reference numerals: 1, device body; 2, feeding port; 21, feeding valve; 3, discharging port; 31, discharging valve; 4, crusher; 5, oxygen analysis port; 6, material receiving box; 61, material receiving tray; 7, monitoring camera; 8, nitrogen filling port; 9, exhaust gas discharge port; 10, transparent observation window; 11, step ladder. Detailed Embodiments

[0018] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but cannot be understood as limiting the present invention.

[0019] According to the live crushing device for retired power lithium batteries of the embodiment of the utility model, the live crushing device for retired power lithium batteries comprises a device body 1, a crusher 4, a material receiving mechanism and a detection mechanism. A feed port 2 is arranged at the top of the device body 1, a discharge port 3 is arranged at the bottom of the device body 1, an inert gas environment is maintained in the device body 1, the crusher 4 is connected to the middle part of the device body 1 for crushing materials, the material receiving mechanism is located below the device body 1 for receiving crushed materials, and the detection mechanism comprises an infrared temperature sensor, and the infrared temperature sensor is located on one side of the device body 1 for detecting temperature changes in the device body 1 when materials are crushed.

[0020] Specifically, the device body 1 is a column extending in the vertical direction, with a feed port 2 at the top and a discharge port 3 at the bottom. The retired power lithium batteries waiting to be crushed enter through the feed port 2 and leave the device body 1 through the discharge port 3 under the action of gravity. The inert gas environment can reduce the oxygen concentration, prevent the lithium battery from burning and exploding, and improve safety. The crusher 4 is located in the middle of the device body 1 and is used to crush the lithium battery. The receiving mechanism is located below the discharge port 3 to receive the crushed lithium battery fragments and electrolyte. The infrared temperature sensor of the detection mechanism detects the temperature change of the material in the device body 1 to judge the safety of the crushing, and stops the crushing when the temperature rises rapidly.

[0021] The live crushing device for retired power lithium batteries according to the embodiment of the utility model has the advantages of real-time monitoring of the live crushing process and good safety.

[0022] In some embodiments, the detection mechanism further includes an oxygen analyzer. An oxygen analysis port 5 is provided on the device body 1 , and a detection end of the oxygen analyzer enters the device body 1 through the oxygen analysis port 5 .

[0023] Specifically, the oxygen analyzer is used to analyze the oxygen concentration in the device body 1 to prevent the lithium battery from burning or even exploding due to high oxygen concentration. The oxygen analyzer can be an infrared absorption spectrometer or a paramagnetic resonance oxygen analyzer.

[0024] In some embodiments, the material receiving mechanism includes a material receiving box 6 and a material receiving tray 61 . The material receiving box 6 is connected to the discharge port 3 . The material receiving tray 61 is located in the material receiving box 6 for receiving materials.

[0025] Specifically, the receiving box 6 is located below the device body 1. The receiving box 6 can prevent the waste gas and waste liquid after decomposition from flowing out, protecting the safety of the staff. The receiving tray 61 is located in the receiving box 6 to receive the lithium battery fragments to separate the solid and liquid for further recycling and processing.

[0026] In some embodiments, an exhaust gas discharge port 9 is provided on the material receiving box 6 for discharging exhaust gas.

[0027] Specifically, the exhaust gas discharge port 9 is provided on the material receiving box 6. Controlling the opening and closing of the exhaust gas discharge port 9 can control the discharge of exhaust gas during the crushing process and avoid environmental pollution.

[0028] In some embodiments, a transparent observation window 10 is provided on the side wall of the crusher chamber of the crusher 4 for observing the crushing situation.

[0029] Specifically, the transparent observation window 10 is fixed to the crusher chamber of the crusher 4 by screws. The material of the transparent observation window 10 is made of transparent explosion-proof materials such as polycarbonate, fiberglass, and PAM board. The transparent observation window 10 facilitates the staff to directly observe the crushing situation.

[0030] In some embodiments, the retired power lithium battery live crushing device further includes a monitoring camera 7. The monitoring camera 7 is arranged corresponding to the transparent observation window 10 for monitoring the crushing situation inside the crusher chamber of the crusher 4.

[0031] Specifically, the monitoring camera 7 adopts an industrial explosion-proof camera with high temperature resistance. The monitoring camera 7 corresponding to the transparent observation window 10 can monitor and record the internal crushing situation of the equipment in real time without the need for personnel to monitor.

[0032] In some embodiments, a nitrogen filling port 8 is provided on the device body 1. The nitrogen filling port 8 is used to convey nitrogen into the device body 1. The nitrogen filling port 8 is located between the feeding port 2 and the crusher 4.

[0033] Specifically, the nitrogen filling port 8 is arranged at the upper part of the device body 1, that is, between the feeding port 2 and the crusher 4. Filling nitrogen into the device body 1 can maintain an oxygen-deficient state inside the device body 1 and avoid the fire, combustion, and explosion of the lithium battery. Arranging the nitrogen filling port 8 at the upper part of the device body 1 can form a nitrogen protection layer as the lithium battery enters. By conveying nitrogen at the upper part, the characteristics that the density of nitrogen is greater than that of air can be utilized to make nitrogen sink, thereby effectively discharging the oxygen inside the device, reducing the oxygen concentration, and reducing the risk of fire and explosion.

[0034] In some embodiments, the device body 1 has a metal shell. A wire is provided on the metal shell, and the wire is electrically connected to the metal shell for discharging electricity from the metal shell.

[0035] Specifically, the wire is selected as a low-impedance and high-sensitivity metal wire. The wire can be grounded to ensure the safety of the electric discharge of the retired power lithium battery live crushing, or can be connected to a high-sensitivity current sensor for laboratory research work.

[0036] In some embodiments, the power lithium battery decommissioning and charged crushing device further includes a feed valve 21 and a discharge valve 31. The feed valve 21 is used to control the opening and closing of the feed port 2, and the discharge valve 31 is used to control the opening and closing of the discharge port 3.

[0037] Specifically, both the feed valve 21 and the discharge valve 31 are butterfly valves with electric flap plates. By controlling the opening and closing of the feed port 2 and the discharge port 3, the quantity and speed of the lithium batteries and battery crushing products entering and leaving the device body 1 can be controlled.

[0038] In some embodiments, a movable step ladder 11 is arranged beside the device body 1. The step width of the step ladder 11 is 600 mm, which facilitates the staff to feed and maintain the equipment.

[0039] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is 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 should not be construed as a limitation of the present utility model.

[0040] In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0041] In the present utility model, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, an electrical connection, or communicable with each other; it can be directly connected, or indirectly connected through an intermediate medium, and can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. 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.

[0042] In the present utility model, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "below" and "beneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply indicates that the horizontal height of the first feature is less than that of the second feature.

[0043] In the present utility model, the terms "an embodiment", "some embodiments", "example", "specific example", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples.

[0044] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model.

Claims

1. A charged crushing device for retired power lithium batteries, characterized in that, include: A device body, wherein a feed port is arranged at the top of the device body, a discharge port is arranged at the bottom of the device body, and an inert gas environment is maintained in the device body; A crusher, the crusher is connected to the middle part of the device body and is used to crush materials. A transparent observation window is provided on the side wall of the crusher cabin of the crusher for observing the crushing situation; A material receiving mechanism, the material receiving mechanism is located below the device body and is used to receive the crushed material. The material receiving mechanism includes a material receiving box and a material receiving tray. The material receiving box is connected to the discharge port. The material receiving tray is located in the material receiving box and is used to receive the material. A detection mechanism, the detection mechanism comprising an infrared temperature sensor, the infrared temperature sensor being located on one side of the device body and used to detect temperature changes when the material in the device body is crushed; A monitoring camera is arranged corresponding to the transparent observation window to monitor the crushing situation in the crusher chamber.

2. The charged crushing device for retired power lithium batteries according to claim 1, characterized in that, The detection mechanism also includes an oxygen analyzer. An oxygen analysis port is arranged on the device body, and a detection end of the oxygen analyzer enters into the device body from the oxygen analysis port.

3. The charged crushing device for retired power lithium batteries according to claim 1, wherein, The material receiving box is provided with a waste gas discharge port for discharging waste gas.

4. The charged crushing device for retired power lithium batteries according to claim 1, characterized in that, A nitrogen filling port is arranged on the device body, and the nitrogen filling port is used to transport nitrogen into the device body, and the nitrogen filling port is located between the feed port and the crusher.

5. The charged crushing device for retired power lithium batteries according to claim 1, characterized in that, The device body has a metal shell, a wire is arranged on the metal shell, and the wire is electrically connected to the metal shell for discharging the metal shell.

6. The charged crushing device for retired power lithium batteries according to claim 1, wherein, It also includes a feed valve and a discharge valve, wherein the feed valve is used to control the opening and closing of the feed port, and the discharge valve is used to control the opening and closing of the discharge port.

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