Electrolytic Copper Foil Industry - Filter Renovation Plan

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Electrolytic copper foil, a fundamental material in the electronics industry, is manufactured through electrolytic processes, boasting high purity, excellent electrical conductivity, and good mechanical properties. It is widely utilized in printed circuit boards, lithium batteries, and other fields.

The production process of electrolytic copper foil involves extensive filtration of solutions and water. Traditional filtration methods often rely on small-sized filter cartridges, with each filter requiring the installation of up to 100-200 such cartridges. Company B, for instance, employs filters primarily with melt-blown cartridges.

This approach not only complicates the installation and removal of cartridges but also increases the labor intensity of workers under the consistently high temperature of 40℃-50℃ maintained in the workshop. Even more concerning is the strong corrosive nature of the process solutions, which can potentially cause skin damage to workers upon prolonged contact.

To address these issues, our company has introduced a novel high-flow filtration process. This technology significantly reduces the volume of the filter by 50% and drastically decreases the number of cartridges by 90%.


Before Replacement	After Replacement

Processing Flow Rate: 150m³/hour
	High-Flow Filter Cartridge	Melt-Blown Filter Cartridge
Number of Filter Cartridges	5	100
Filter Diameter	550mm	Over 1000mm
Replacement Time	Less than 0.5 hours	Over 2-3 hours

It is evident that the greater the flow rate, the more apparent the advantages of the high-flow filter solution become.

The new plan boasts the following features:

① Significant reduction in the number of filter cartridges.

② Substantial decrease in filter volume.

③ Considerable shortening of replacement time.

The benefits brought to Company B include:

① Lowered production costs.

② Enhanced work efficiency, resulting in a 80% reduction in maintenance time.

③ Better safeguarding of workers' health and safety.

The application of this innovative process undoubtedly injects new vitality into the sustainable development of the electrolytic copper foil industry.

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