Dynamic filter unit

A dynamic filtration and filter element technology, applied in the fields of filtration and separation, fixed filter element filters, chemical instruments and methods, etc., can solve the problems affecting the performance of lithium batteries, pole piece scratches, etc., to ensure the service life, ensure the scraping effect, Ensure the effect of normal operation

Pending Publication Date: 2018-03-06
张世珍
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Normal production of battery raw materials cannot avoid some impurities. If the impurities are not removed, coating on the pole pieces will cause scratches on some pole pieces, which will seriously affect the performance of lithium batteries.

Method used

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Examples

Experimental program
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Embodiment 1

[0029] Such as Figure 1-Figure 4 As shown, a dynamic filter device includes a cylindrical tank body 1, the upper end of the tank body 1 is provided with a cover 2 for encapsulating its upper part, and the lower end of the tank body 1 is provided with a seat for encapsulating its lower part body 3, the cover body 2 is provided with a feed port 4, a discharge port 5 and an exhaust hole 6, and the bottom of the cover body 2 is provided with a cylindrical filter element 7, and the outlet of the filter element 7 and the discharge port 5, the tank body 1 is provided with a scraper assembly corresponding to the outer circumference of the filter element 7, and the bottom of the base body 3 is provided with a driving motor 8 that drives the scraper assembly to rotate along the outer circumference of the filter element 7.

[0030] The scraper assembly includes a scraper 9 arranged along the length direction of the filter element 7, a drive rod 10 is fixed transversely at the lower end ...

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PUM

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Abstract

The invention relates to a dynamic filter unit, which comprises a cylindrical tank. The upper end of the tank is equipped with a cover body for packaging the upper part of the tank. The lower end of the tank is provided with a base for packaging the lower part of the tank. The cover body is provided with a feed inlet, a discharge port and an exhaust vent. The bottom of the cover body is equipped with a cylindrical filter core, an outlet of which is communicated with the discharge port. A scraping component which is corresponding to the external circumference of the filter core is arranged inside the tank. The bottom of the base is provided with a driving motor which drives the scraping component to rotate along the external circumference of the filter core. According to the invention, thefilter core is arranged in the tank to filter a coating liquid; and with the arrangement of the scraping component and the driving motor, the driving motor drives the scrapping component to rotate around the filter core such that impurities on the outer side of the filter core is scrapped off so as to prevent the impurities from blocking the filter core and then ensure normal operation of production.

Description

technical field [0001] The invention relates to the field of lithium battery production, in particular to a dynamic filter device. Background technique [0002] The production and manufacture of lithium-ion batteries is a process closely linked with each process step. Overall, the production of lithium batteries includes the pole piece manufacturing process, battery assembly process, and final liquid injection, pre-charging, formation, and aging processes. In the three-stage process, each process can be divided into several key processes, and each step will have a great impact on the final performance of the battery. [0003] In the pole piece manufacturing process stage, it can be subdivided into five processes: slurry preparation, slurry coating, pole piece rolling, pole piece cutting, and pole piece drying. In the battery assembly process, according to the different battery specifications and models, it can be roughly divided into winding, shelling, welding and other pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D29/11B01D29/64
CPCB01D29/114B01D29/6476
Inventor 张世珍
Owner 张世珍
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