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Fast drying and cooling foil production device

A rapid drying, drying and cooling technology, applied in drying, drying machine, drying gas arrangement, etc., can solve problems such as rapid drying

Active Publication Date: 2019-06-28
FUJIAN QINGJING COPPER FOIL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional copper foil production and drying uses resistance heating tubes and fans to blow air for cooling, but this cooling method cannot quickly dry 4-6 micron copper foil in a short time

Method used

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  • Fast drying and cooling foil production device

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0047] Please refer to Figure 7 , the present invention also provides a preparation method of electrolytic copper foil, comprising the following steps:

[0048] S4, copper sulfate electrolyte configuration: heat and dissolve high-purity copper wires with a purity of 99.95% and above in sulfuric acid solution to generate copper sulfate electrolyte;

[0049] S5, raw foil manufacturing; add additives to the copper sulfate electrolyte, and transport it to the electrolytic cell of the foil machine for electrolytic raw foil, wherein; the process parameters of electrolytic raw foil are: the temperature of the electrolytic solution is controlled at 50-60 °C, the current density of the anode plate 12 during the foil production process is 38-45A / dm 2 , Cu 2+ Concentration is 90~95g / L, H 2 SO 4 Concentration is 100-110g / L, gelatin concentration is 100-300ppm, ceric sulfate concentration is 0.5-10ppm, MESS concentration is 1-20ppm, SPS concentration is 10-50ppm, Cl - The concentrati...

Embodiment

[0062] Example: heating and dissolving a high-purity copper wire with a purity of 99.95% in a sulfuric acid solution to form a copper sulfate electrolyte; adding additives to the copper sulfate electrolyte, and transporting it to the electrolytic cell of a foil production machine for electrolytic foil production. Among them; the process parameters of electrolytic raw foil are: the temperature of the electrolyte is controlled at 58 ° C, Cu 2+ Concentration is 94g / L, H 2 SO 4 Concentration is 106g / L, gelatin concentration is 150ppm, ceric sulfate concentration is 4ppm, MESS concentration is 12ppm, SPS concentration is 25ppm, Cl - The concentration is 28ppm; copper foils of 4 microns, 4.5 microns, 5 microns and 6 microns are respectively obtained by controlling the current density of the anode plate during the foil production process. The test data of various copper foils are as follows:

[0063]

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Abstract

The invention provides a fast drying and cooling foil production device. The fast drying and cooling foil production device comprises an anode unit, a cathode roller, a conveying unit, a drying and cooling unit and a rolling unit, wherein the anode unit is electrically connected with the positive pole, the cathode roller is electrically connected with the negative pole, and the conveying unit, thedrying and cooling unit and the rolling unit are arranged on one side of the cathode roller; the drying and cooling unit is arranged between a passivation tank and the rolling unit; the drying and cooling unit comprises a drying unit arranged near the conveying unit and a cooling unit arranged near the rolling unit; the drying unit comprises an upper hot air knife, a lower hot air knife and a hotair pipeline, the upper hot air knife and the lower hot air knife are symmetrically arranged, and the hot air pipeline is connected with the upper hot air knife and the lower hot air knife; and the cooling unit comprises an upper cold air knife, a lower cold air knife and a cold air pipeline, the upper cold air knife and the lower cold air knife are symmetrically arranged, and the cold air pipeline is connected with the upper cold air knife and the lower cold air knife.

Description

technical field [0001] The invention relates to a rapid drying and cooling raw foil device. Background technique [0002] At present, copper foil is an indispensable and important basic material for the electronics industry. Especially with the further upgrading of the new energy industry, electrolytic copper foil of 6 μm and below has a broader market prospect, and the quality requirements for electrolytic copper foil of 6 μm and below are also increasing. come higher. The traditional copper foil production and drying adopts resistance heating tubes and fans for cooling, but this cooling method cannot quickly dry 4-6 micron copper foil in a short time. Contents of the invention [0003] The invention provides a rapid drying and cooling raw foil device, which can effectively solve the above problems. [0004] The present invention is achieved like this: [0005] A rapid drying and cooling raw foil device, comprising: an anode unit electrically connected to the positive ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D1/04F26B21/00
Inventor 贾永良宋铁峰陈亮龙郭贵龙郭小高黄耀辉
Owner FUJIAN QINGJING COPPER FOIL
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