Treatment method of turbid underflow in novel liquid storing tank used in zinc smelting

Abstract

The invention relates to a treatment method of turbid underflow in a novel liquid storing tank used in zinc smelting. The invention belongs to the technical field of non-ferrous metal smelting. When novel liquid storing tanks are used alternatively, a novel liquid pumping outlet valve is controlled, and novel liquid turbid underflow is pumped into a waste liquid storing tank of a leaching system; the step is proceeded for 5-10min; the novel liquid pumping outlet valve is controlled, and the novel liquid is pumped into a mixed liquid tank, and is delivered into an electrolysis system. The method provided by the invention is advantaged in that: the novel liquid delivered into the mixed liquid tank does not contain impurity, such that the electrolysis system is more stable; valuable metals are recycled, such that resource is effectively saved, and cost is reduced.

Description

technical field [0001] The invention relates to a treatment method for turbid underflow in a zinc smelting new liquid storage tank in zinc smelting, and belongs to the technical field of nonferrous metal smelting. Background technique [0002] At present, 80% of enterprises in domestic zinc smelting technology adopt wet method. In hydromethod zinc smelting, new liquid storage tanks are generally used one by one, and the underflow of each storage tank is cleaned every 3-4 months to avoid the use of new liquid storage tanks. The turbid new solution at the bottom of the tank causes the impurity content of the electrolyte to increase, and the electrolysis process fluctuates, resulting in a decrease in the quality and output of electrolytic zinc. However, in the normal production process, two new liquid storage tanks are often used alternately, so it is difficult to avoid using a part of the turbid new liquid bottom flow when they are used alternately, because the turbid new liqu...

AI Technical Summary

Problems solved by technology

[0002] At present, 80% of enterprises in domestic zinc smelting technology adopt wet method. In hydromethod zinc smelting, new liquid storage tanks are generally used one by one, and the underflow of each storage tank is cleaned every 3-4 months to avoid the use of new liquid storage tanks. The turbid new solution at the bottom of the tank causes the impurity content of the electrolyte to increase, and the electrolysis process fluctuates, resulting in a decrease in the quality and output of electrolytic zinc

However, in the normal production process, two new liquid storage tanks are often used alternately, so it is difficult to avoid using a part of the turbid new liquid bottom flow when they are used alternately, because the turbid new liquid bottom flow contains high impurities, will cause fluctuations in the electrolysis process

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