Leaching Agitation Tank
|Introduction:||Leaching agitaion tank is a leaching equipment for cyanide leaching by referring the USA technical design.|
|Improvement:||Leaching agitation tank for gold extraction with double impeller, uniform mixing, low energy consumption; the impeller coated by rubber, long service life; multi points to give gas, uniform inflation.|
Entering leaching tank via hollow shaft, air is agitated and dispersed by rotation of impellers.
The two new type impellers with large diameter, low speed and low power consumption, which can reduce the wear of carbon.
The moderate stirring intensity, pulp concentration and fineness distributes consistently can improve the adsorption rate and import rate.
With dual impellers rotating and agitating, ore pulps move downward and then diffuse along damping plate. Air is fed in tank from the lower end of shaft, and blended with ore pulps to form uniform suspending mixed liquid.
In the gold cyaniding process, leaching agitation tank is applied to leach and carbon-absorb ore pulps whose fineness is -200 meshes and whose density is less than 45%. Under similar circumstance, it is also applied to agitation and leaching in metallurgy, chemical and light industry.
(DX H) (mm)
|Rotating Speed of Impeller (r/min)||Diameter of Impeller (mm)||Motor
A gold processing plant in Shanxi was built in 2010, the capacity is 200 t/d, and adopted direct cyanide——zinc dust precipitation process. Due to the stirrer paddle of previously installed double impeller agitation tank is a bit small, the speed is low and pulp agitator is uneven, which are against gold leaching. Then Xinhai contracted its cyanide process. Xinhai updated equipment with larger stirring paddle, and added breath prevention device at the bottom of the hollow shaft. Because the excellent ventilation in center and even agitation of sodium cyanide, the gold leaching rate increased from 94.28% to 97.14%.