The method of drip infiltration, the solution directly acts on the surface of the ore powder pile, the surface of the ore powder will not form a water layer, the infiltration rate is fast, and it can fully contact with the vanadium impregnation solvent and wash the surface of the ore powder, which will precipitate the vanadium ion very much. favorable.
Key technology of heap leaching process
In order to solve the problems in the process, the corresponding vanadium immersion solvent is uniformly and reliably distributed and evenly distributed in the stone coal vanadium ore powder, and it is necessary to adopt advanced technology. In the case of conventional spraying for heaping, at the beginning, since the spraying intensity does not exceed the infiltration capacity of the ore powder, the surface of the ore powder will not form a water layer, and the infiltration in this case is called free infiltration. The infiltration rate of the mineral powder is equal to the rainfall intensity. With the high spraying intensity and the increase of spraying time, the surface of the ore powder quickly forms a water-bearing layer, and the formation of the infiltration process becomes pressurized infiltration, and the efficiency of the leaching decreases. Using the drip infiltration method, the solution directly acts on the surface of the stone coal vanadium ore heap, the surface of the ore powder will not form a water layer, the infiltration rate is fast, and it can fully contact with the leaching solvent and wash the surface of the ore powder, which will be The precipitation of vanadium ions is very advantageous. Modern drip equipment has pressure compensation, anti-blocking device, uniform outflow and can use the optimal drip strength and vanadium solution concentration according to the ore composition, grade and degree of fracture.
Immersion gold solution dripping method
The method of applying the dripping technology to the vanadium immersion solution and uniformly spraying the vanadium immersion solution on the ore powder has the following advantages : 1. High performance and high reliability, easy to install; 2. The production cost can be reduced; Eliminate the effects of wind; 4. It can be operated all year round; 5. Reduce the damage of chemical substances caused by solar ultraviolet rays; 6. Reduce the discharge and loss of vanadium immersion solution; 7. Save the construction cost of liquid storage tanks and water diversion channels; Automatic cleaning and anti-blocking of the dripper; 9. Reduce the impact on the operators, the surrounding environment and the land, which is conducive to environmental protection. Drip can increase the air content in the solution, which means increase the oxygen content of the chemical reaction; the drip system has high automation, easy operation, high production efficiency, high reliability, less impact on the environment, and relatively low production cost. . Drip system floor plan This system has great flexibility in expansion, can be applied to a heap leaching operation, and can also be used for larger heap leaching operations composed of multiple piles.
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