Self-cleaning rotary magnetic separator, specially designed for iron removal from positive and negative electrode materials of lithium batteries, with PPM-level precision guaranteed
In the field of lithium battery production, the purity of positive and negative electrode materials plays a decisive role in the performance, lifespan, and safety of batteries. Even extremely trace amounts of iron impurities may cause internal short circuits during the charging and discharging process of lithium batteries, reduce the charging and discharging efficiency of batteries, and seriously affect the overall quality of batteries. The self - cleaning rotary iron remover emerges as the times require. It precisely targets the iron removal problem of positive and negative electrode materials of lithium batteries and provides reliable solutions for lithium battery production enterprises.
The self - cleaning rotary iron remover is specially designed for iron removal of positive and negative electrode materials of lithium batteries, and its structure and function are in line with the needs of lithium battery production. The equipment adopts an advanced annular grille rotating design, and the annular grille is driven by a reduction motor to rotate continuously. When materials flow through the iron remover, it can effectively avoid bridging, blockage and other situations, ensure the smooth passage of materials, and strongly adsorb iron impurities in them. The high - quality permanent magnet carried inside can generate a strong magnetic field of up to 15,000 Gauss, which can accurately capture the tiny and imperceptible iron particles in the positive and negative electrode materials, achieving high - precision iron removal at the PPM level and building a solid defense for the purity of positive and negative electrode materials of lithium batteries.
A1: The equipment realizes the self - cleaning process through the rotating annular grille. During operation, the iron impurities adsorbed on the magnetic rods of the grille will automatically fall off at specific positions as the grille rotates. The cleaning frequency can be adjusted according to the iron content in the actual production materials and the production rhythm. Users can simply set the cleaning cycle through the intelligent control system of the equipment to meet different iron removal needs and ensure that the equipment always maintains an efficient iron removal state.
A2: The iron remover has good temperature resistance performance, and the applicable temperature range is 60 - 350℃. In common high - temperature links in lithium battery production, such as the conveying process after some material sintering and drying processes, the iron remover can operate stably, the magnetic field strength will not be significantly attenuated due to high temperature, and key components such as magnetic rods can also maintain structural stability and continue to play an efficient iron removal role.
A3: The equipment fully considers the iron removal needs of materials with different particle sizes during design. The magnetic rod gap and material channel are reasonably designed. Whether it is extremely fine powdery positive and negative electrode materials or raw materials with slightly larger particles, it can ensure the smooth passage of materials and effectively adsorb iron impurities in them. For fine iron particles, the strong magnetic field can provide sufficient adsorption force; for larger iron impurities, there will be no blockage of the channel, ensuring a stable iron removal effect on positive and negative electrode materials with different particle sizes.
A4: In terms of installation, the equipment is designed with standardized installation interfaces, which can be conveniently connected to common lithium battery production pipeline systems. For personnel with certain mechanical installation knowledge, the installation can be completed with reference to the detailed installation instructions. Of course, if enterprises have needs, we also provide professional personnel to install on - site. In terms of maintenance, the equipment structure is simple. Daily, only the operation of the equipment and the adsorption effect of the magnetic rods need to be checked regularly. The self - cleaning function greatly reduces the workload of manual cleaning and lowers the maintenance difficulty and cost.
A5: In addition to iron removal of positive and negative electrode materials of lithium batteries, in the lithium battery slurry mixing link, and the material conveying process before subsequent electrode coating and battery assembly processes, as long as there may be iron impurities in the materials, this iron remover can play a role in ensuring the purity of materials in the entire lithium battery production process and providing all - round iron removal support for the production of high - quality lithium batteries.
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