Internal environment stabilizing device for mechanical mill equipment in lithium battery industry
By introducing a combination of fans, filters and collection bins into the mechanical grinding equipment of the lithium battery industry, combined with automatic adjustment of dew point meter and pressure sensor, the problem of excessive moisture content of the return air gas is solved, stable control of the environment in the equipment is achieved, and product quality and production efficiency are improved.
Patent Information
- Application Number
- CN202422199779.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-09-06
AI Technical Summary
In the existing mechanical grinding equipment of the lithium battery industry, the return air gas contains too high moisture content, resulting in excess of moisture and other indicators of crushed products, affecting product quality and performance.
The fan, filter and collection chamber combination is used, combined with a dew point meter, pressure sensor, start valve and air replenishment valve, and automatically adjust the gas dew point and pressure to form a stable return air circulation system to ensure the stability of the environment in the equipment.
It realizes stable control of the environment in the equipment, improves product quality and consistency, reduces production costs, and enhances the reliability and flexibility of the equipment.
Smart Images

Figure CN223159396U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium battery industry production, in particular to an internal environment stability device in a mechanical grinding equipment for the lithium battery industry. Background Art
[0002] In today's new energy industry, in the production and processing processes of materials such as lithium battery materials and solar cell materials, mechanical grinding equipment plays a crucial role. With the continuous progress of new energy technologies and the continuous growth of market demand, the quality requirements for these materials are getting higher and higher. And whether the internal environment of the mechanical grinding equipment is stable directly affects the quality and performance of the products.
[0003] Among them, the positive electrode material is an important component in the production of lithium-ion batteries. Its production process is complex and involves a large number of equipment. Among them, crushing is the core process for controlling the product particle size in the production process and is also the production capacity bottleneck in the whole process. At present, the crushing of positive electrode powder materials usually uses crushing equipment, and this kind of equipment can meet certain usage requirements.
[0004] The existing technologies usually have the following problems in the actual use process: firstly, the utilization rate is insufficient; secondly, each control unit of the crusher plays different roles in the material preparation, but the moisture content of its return air is too high, resulting in problems such as the moisture content of the crushed product and other product indicators exceeding the standard. Therefore, an internal environment stability device for mechanical grinding equipment in the lithium battery industry is needed to solve the above problems. Content of the Utility Model
[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to provide an internal environment stability device for mechanical grinding equipment in the lithium battery industry.
[0006] To achieve the above purpose, the utility model adopts the following technical solution: an internal environment stability device for mechanical grinding equipment in the lithium battery industry, including a fan and a collection bin. The top of the fan is connected with a filter through a pipeline. One side of the top of the filter is connected with the collection bin through a pipeline. A viewing window is arranged on the front of the collection bin, and an adjusting discharge valve is installed in the middle of the bottom end of the collection bin.
[0007] Preferably, one side of the bottom end of the collection bin is flange-connected with a material pipeline, and the collection bin and the mechanical grinding equipment are detachably connected.
[0008] Preferably, one end of the material pipeline is connected with a main machine, and a standardized connection interface is adopted between the main machine and the mechanical grinding equipment.
[0009] Preferably, one side of the top of the fan is flange-connected with a return air pipeline, and the end of the return air pipeline is connected with one side of the main machine.
[0010] Preferably, a start valve is flange-connected to one side of the top of the return air duct close to the main machine.
[0011] Preferably, an air supplement valve is flange-connected to one side of the bottom of the return air duct close to the start valve.
[0012] Preferably, a dew point meter is installed on one side of the top of the return air duct close to the start valve, and a pressure sensor is arranged between the dew point meter and the air supplement valve in the return air duct.
[0013] Beneficial effects
[0014] In the present utility model, the pressure inside the pipeline is detected by the pressure sensor. When it is too high, automatic pressure relief is carried out, so that the cavity of the mechanical grinding equipment and the circulating gas in the return air duct maintain balance and stable dew point. This device enables users to set different parameters for adjustment according to needs, control the stability of the internal environment of the equipment, control the dew point of the gas in the return air duct, and improve the moisture control of the products. This solution has a relatively low design cost for the internal environment stability device of the mechanical grinding equipment, relatively mature technology, strong reliability, and solves the problems that the existing equipment cannot meet the working conditions, the internal environment cannot be stably controlled, and it causes great losses to the production process.
[0015] In the present utility model, the combination of the fan, the filter and the collection bin can efficiently collect the materials processed by the mechanical grinder. The filter can effectively remove impurities in the gas, ensure the purity of the materials entering the collection bin, improve the product quality. The window on the front of the collection bin is convenient for observing the internal material collection situation, and the adjustment discharge valve at the bottom can accurately control the material discharge, which is convenient for operation. Description of the drawings
[0016] Figure 1 is the overall structure diagram of the present utility model;
[0017] Figure 2 is the partial structure diagram of the present utility model.
[0018] Legend description:
[0019] 1. Return air duct; 2. Dew point meter; 3. Pressure sensor; 4. Start valve; 5. Air supplement valve; 6. Main machine; 7. Material pipeline; 8. Collection bin; 9. Filter; 10. Fan; 11. Window; 12. Adjustment discharge valve. Specific embodiments
[0020] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments and drawings. However, the following embodiments are only the preferred embodiments of the present utility model, not all of them. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative efforts all belong to the protection scope of the present utility model.
[0021] The specific embodiments of the present utility model will be described below in conjunction with the accompanying drawings. Specific Embodiment 1:
[0023] Referring to Figure 1-2 , an internal environment stability device in a mechanical grinding equipment in the lithium battery industry, includes a fan 10 and a collection bin 8. The top of the fan 10 is connected to a filter 9 through a pipeline. One side of the top of the filter 9 is connected to the collection bin 8 through a pipeline. A viewing window 11 is provided on the front of the collection bin 8. The middle of the bottom end of the collection bin 8 is installed with an adjusting discharge valve 12. One side of the bottom end of the collection bin 8 is flange-connected to a material pipeline 7. The collection bin 8 and the mechanical grinding equipment are detachably connected. One end of the material pipeline 7 is connected to a main machine 6. A standardized connection interface is adopted between the main machine 6 and the mechanical grinding equipment. One side of the top of the fan 10 is flange-connected to a return air pipeline 1. The end of the return air pipeline 1 is connected to one side of the main machine 6. One side of the top of the return air pipeline 1 close to the main machine 6 is flange-connected to a start valve 4. One side of the bottom of the return air pipeline 1 close to the start valve 4 is flange-connected to a makeup air valve 5. A dew point meter 2 is installed on one side of the top of the return air pipeline 1 close to the start valve 4. A pressure sensor 3 is provided in the return air pipeline 1 between the dew point meter 2 and the makeup air valve 5.
[0024] The present utility model provides an internal environment stability device in a mechanical grinding equipment in the lithium battery industry in the new energy field. This device and system include a mechanical grinding return air pipeline 1, a dew point meter 2, a pressure sensor 3, a start valve 4, a makeup air valve 5, etc. This structure adjusts the start valve 4 and the makeup air valve 5 according to the temperature and humidity of the internal environment of the mechanical grinding return air pipeline feedback by the dew point meter 2, and adapts and adjusts the required range according to technical and product requirements, so that the start valve 4 and the makeup air valve 5 start and stop. When the dew point of the gas in the return air pipeline during equipment operation does not meet the standard, the start valve 4 opens to quickly discharge the unqualified gas in the internal circulation of the equipment, and at the same time the makeup air valve 5 supplements the qualified gas. After the internal circulation gas in the return air pipeline is replaced to the required dew point, the start valve 4 and the makeup air valve 5 are closed; at the same time, a pressure sensor 3 is equipped in the pipeline. The pressure in the pipeline is detected by the pressure sensor 3, and automatic pressure relief is carried out when it is too high, so that the cavity of the mechanical grinding equipment and the internal circulation gas in the return air pipeline are kept balanced and the dew point is stable. This device enables users to set different parameter adjustments according to needs, control the stability of the internal environment of the equipment, control the dew point of the gas in the return air pipeline, and improve the moisture control of the product. This solution has a relatively low design cost for the internal environment stability device of the mechanical grinding equipment, relatively mature technology, strong reliability, and solves the problems that the existing equipment cannot meet the working conditions, the internal environment cannot be stably controlled, and it causes great losses to the production process. Specific Embodiment 2:
[0026] Referring to Figure 1-2, in this device, there is a combination of a blower 10, a filter 9 and a collection bin 8, which can efficiently collect the materials after mechanical grinding. The filter 9 can effectively remove impurities in the gas, ensuring the purity of the materials entering the collection bin, improving the product quality. The viewing window 11 on the front of the collection bin 8 facilitates observing the internal material collection situation, and the adjustable discharge valve 12 at the bottom can precisely control the material discharge, making it convenient to operate. The collection bin 8 is detachably connected to the mechanical grinding equipment, facilitating installation, maintenance and replacement, and improving the flexibility of the device's use. A standardized connection interface is adopted between the main machine 6 and the mechanical grinding equipment, making the assembly and disassembly of the device more convenient, and also facilitating the matching use with other devices. At the same time, the blower 10 is connected to the filter 9, the collection bin 8 and the main machine 6 through pipelines to form a circulation system, which helps to maintain the air pressure balance and stability inside the mechanical grinding equipment. And the start valve 4 and the air supply valve 5 on the return air pipeline 1 can adjust the gas flow according to needs, ensuring that the device can maintain a good internal environment under different working conditions. The dew point meter 2 and the pressure sensor 3 can monitor the gas state in the return air pipeline 1 in real time, providing accurate data support for the stable operation of the device, helping to detect problems in time and make adjustments, ensuring the stability of the internal environment of the mechanical grinding equipment in the lithium battery industry, and thus improving the consistency and reliability of the products.
[0027] In summary:
[0028] 1. In this device, this structure adapts and adjusts the required range according to the temperature and humidity of the internal environment of the mechanical grinding return air pipeline feedback by the dew point meter 2 through the start valve 4 and the air supply valve 5 according to technical, product and other requirements, so that the start valve 4 and the air supply valve 5 start and stop. When the dew point of the gas in the return air pipeline during the operation of the device does not meet the standard, the start valve 4 opens to quickly discharge the non-compliant gas in the internal circulation of the device. At the same time, the air supply valve 5 supplies qualified gas, and after replacing the internal circulation gas in the return air pipeline to the required dew point, the start valve 4 and the air supply valve 5 close. At the same time, a pressure sensor 3 is equipped in the pipeline, and the pressure in the pipeline is detected through the pressure sensor 3. When it is too high, automatic pressure relief is carried out, so that the cavity of the mechanical grinding equipment and the internal circulation gas in the return air pipeline maintain balance and dew point stability. This device enables users to set different parameter adjustments according to needs, control the stability of the internal environment of the device, control the dew point of the gas in the return air pipeline, and improve the moisture control of the products. This solution has a relatively low design cost for the internal environment stability device of the mechanical grinding equipment, relatively mature technology and strong reliability, and solves the problems that the existing equipment cannot meet the working conditions, the internal environment cannot be stably controlled, and it causes great losses to the production process.
[0029] 2. The combination of the blower 10, the filter 9 and the collection bin 8 can efficiently collect the materials after mechanical grinding. The filter 9 can effectively remove impurities in the gas, ensuring the purity of the materials entering the collection bin and improving the product quality. The window 11 on the front of the collection bin 8 facilitates observing the internal material collection situation, and the regulating discharge valve 12 at the bottom can precisely control the material discharge, which is convenient for operation. The collection bin 8 is detachably connected to the mechanical grinding equipment, facilitating installation, maintenance and replacement, and improving the flexibility of equipment use. A standardized connection interface is adopted between the main machine 6 and the mechanical grinding equipment, making the assembly and disassembly of the equipment more convenient and also facilitating the supporting use with other equipment.
[0030] In the present utility model, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may also include the situation where the first and second features are not in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under" and "beneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.
[0031] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.
Claims
1. An internal environment stabilization device for a mechanical grinding equipment in the lithium battery industry, comprising a blower (10) and a collection bin (8), characterized in that: The top of the blower (10) is connected to a filter (9) through a pipeline. One side of the top of the blower (10) is flange-connected to a return air pipeline (1). One side of the top of the return air pipeline (1) close to the main machine (6) is flange-connected to a start valve (4). One side of the bottom of the return air pipeline (1) close to the start valve (4) is flange-connected to a makeup air valve (5). One side of the top of the filter (9) is connected to a collection bin (8) through a pipeline. A viewing window (11) is provided on the front of the collection bin (8). A regulating discharge valve (12) is installed in the middle of the bottom end of the collection bin (8). One side of the bottom end of the collection bin (8) is flange-connected to a material pipeline (7). One end of the material pipeline (7) is connected to the main machine (6).
2. The environmental stability device inside a mechanical grinding equipment in the lithium battery industry according to claim 1, characterized in that: The collection bin (8) and the mechanical grinding equipment are detachably connected.
3. An internal environment stability device for a mechanical grinding equipment in the lithium battery industry according to claim 1, characterized in that: A standardized connection interface is adopted between the main machine (6) and the mechanical grinding equipment.
4. An internal environment stabilization device for a mechanical grinding equipment in the lithium battery industry according to claim 1, characterized in that: The end of the return air pipeline (1) is connected to one side of the main machine (6).
5. An internal environment stabilization device for a mechanical grinding equipment in the lithium battery industry according to claim 1, characterized in that: A dew point meter (2) is installed on one side of the top of the return air pipeline (1) close to the start valve (4).
6. The environmental stability device inside a mechanical grinding equipment for the lithium battery industry according to claim 1, wherein: A pressure sensor (3) is provided in the return air pipeline (1) between the dew point meter (2) and the makeup air valve (5).