The double impellers leaching tank,is used for stiring,leaching and carbon absorption in the gold cyanide plant .as usual,the ore pulp in the double impellers leaching tank should have the fineness 75%of 200 mesh at least and the pulp density is less than 45%. The working principle of double impellers leaching tank is that under the action of impeller,the pulp flow from top to bottom in the center,spread from surrounding damping plate,then mixed with the air fed from the lower