Zinc Powder Displacement Device
|Introduction:||A system extracts gold from pregnant solution by zinc powder|
|Improvement:||Zinc powder displacement process is composed of pregnant solution purification, deoxidation and zinc powder filtering replacement|
Spiral zinc powder feeder is a kind of zinc powder feeding machine newly developed by Xinhai with the following advantages.
With even and continuous spiral feeding, it has solved the problems of difficulty in adjusting zinc powder feeding amount in traditional machinery and uneven feeding amount, and reduced the residual zinc content, which not only reduces the production costs, but also improves the smelting effects.
With small area of zinc exposure in the air, the oxidation of the zinc powder is reduced in the operation, and the replacement effect is improved.
1．Pregnant solution purification
Work Principle: Gold pregnant solution often contains suspended solids which should be removed before replacement. Pregnant solution purification is the process to remove suspended solid.
Work Principle: Dissolved oxygen in pregnant solution hinders displacement of zinc and gold
3．Displacement and filtering
Work Principle: Including 2 steps adding zinc powder and displacement; when adding the zinc into pregnant solution, the displacement action starts. The displacement equipment finishes the displacement and gold mud filtration
If you want to know the product price, feed particle size, production capacity, size, etc., please contact us online service.
In the Cyanide process of a certain gold processing plant, some of copper and lead are dissolved, and a large amount of sodium cyanide are consumed, which caused the rising of copper-lead-zinc concentration, made exchange rate of gold decrease sharply, affected the production quota seriously. To solve these problems, the client introduced Xinhai zinc powder displacement device, the effect of zinc powder displacement is obvious, the displacement rate increases, the production efficiency is also improved accordingly.