Application of Titanium Seed Plate in Electrolytic Copper Industry

2024-06-14
Titanium is widely used in copper electrolysis. In copper smelting,titanium.html> titanium is used as electrolytic cells, electrolyte supply tanks, pumps, washing towers, cathode seed plates, cathode rollers, heat exchangers, filters, pipes, valves and various parts for copper electrolysis, as well as vacuum evaporation devices, crystallizers, serpentine heaters, etc. for treating sulfate.

Titanium seed plates are composed of titanium plates and titanium-copper composite lugs, and their titanium surfaces are welded to titanium plates: stainless steel cathode plates are composed of 321 stainless steel plates and copper-stainless steel composite lugs, and their stainless steel surfaces are welded to stainless steel plates, and the copper surface plays a conductive role.

Titanium has good corrosion resistance and high strength. In practical applications, titanium seed plates have been soaked in electrolyte for more than 3,000 working days and collided more than 20,000 times in various operations in 9 years. The titanium seed plates are still intact, straight and smooth. According to preliminary estimates, the service life can reach 20 years. The forming rate of the starting electrode sheet has been greatly improved, from the original 75-80% to more than 98%. The initial investment of titanium is relatively large, 3-4 times that of copper plate, but the total investment cost over 9 years is only 21.68% of that of copper plate.

Titanium Plate


Advantages of using titanium seed plates:

① The service life of titanium seed plates is more than 3 times that of copper seed plates, and can reach 10~20 years depending on the operating conditions.

② The oxide film on the surface of titanium seed plates is equivalent to a good, long-lasting and wear-resistant starting separator. The use of titanium seed plates saves separators, eliminates the pre-treatment process of seed plates, and makes it easy to peel the starting plates. Titanium seed plates are half lighter than copper seed plates, which greatly reduces labor intensity and can increase cathode stripping labor productivity by 25%~30%

③ The crystal structure of the electrolytic copper produced is dense, ductile, smooth and flat, and of excellent quality

④ Since titanium seed plates do not need to be coated with separators, contamination of copper electrolyte can be avoided.

⑤ The number of seed plate slots can be reduced and the output of electrolytic copper can be increased. After using titanium seed plates, the starting plate is easy to peel off, is not afraid of burns, and is not affected by the concentration and temperature of the separator. Therefore, the yield rate of the starting plate is greatly improved (>98%). In this way, reducing the number of seed plate slots can also meet the number of starting plates required for production. Using the reduced seed plate trough for electrolytic copper production can increase electrolytic copper production, improve equipment utilization, and reduce electrolytic copper production costs.

⑥ Easy to implement mechanization and automation

⑦ Good economic benefits





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