Efficient energy-saving copper dissolving device

Abstract

The invention discloses an efficient energy-saving copper dissolving device which comprises a copper dissolving tank. A cover plate is arranged on the upper end face of the copper dissolving tank; a first motor is installed in the middle of the upper end face of the cover plate; the output end of the first motor is connected with a hollow rotating rod; an air inlet hole is formed in the outer surface of the hollow rotating rod; and stirring blades are fixedly connected to the bottom of the hollow rotating rod. During use, materials are placed in a placing mesh basket, the cover plate is closed, then an acid solution with a proper volume is fed into the copper dissolving tank through a liquid inlet pipe, the first motor is started, the first motor works to drive the hollow rotating rod and the stirring blades to rotate, and a vacuum area is generated at the bottom when the hollow rotating rod centrifugally rotates, so that external air enters the interior of the copper dissolving tank through air inlet holes; and then a plurality of micro-oxygen bubbles are generated under the action of rotating and crushing of the stirring blades, and the micro-bubbles penetrate through the placing mesh basket and are in full contact with materials, so that the contact area between the air and the materials is increased, and the production efficiency is effectively improved.

Description

technical field [0001] The invention relates to the technical field of copper melting, in particular to a high-efficiency and energy-saving copper melting device. Background technique [0002] Due to the lack of copper resources in my country, copper production must use a large amount of copper recycling waste, such as discarded copper wires, copper particles dismantled from circuit boards, etc. Copper in this part of copper scrap exists in the state of metal, and copper has good ductility, so part of copper scrap cannot be ground by grinding in copper hydrometallurgy, only by acid leaching For recycling. In the existing copper-dissolving device, during the copper-dissolving immersion process, metal copper material often accumulates at the bottom of the reaction tank, resulting in insufficient oxygen contact with the copper material, slow reaction speed, and low equipment efficiency. When directly bubbling air to dissolve copper, because the bubbling air is not easy to dis...

AI Technical Summary

Problems solved by technology

Copper in this part of copper scrap exists in the state of metal, and copper has good ductility, so part of copper scrap cannot be ground by grinding in copper hydrometallurgy, only by acid leaching for recycling

During the copper-dissolving immersion process of the existing copper-dissolving device, metal copper material often accumulates at the bottom of the reaction tank, resulting in insufficient oxygen contact with the copper material, slow reaction speed, and low equipment efficiency

When blowing air directly to dissolve copper, because the blown air is not easy to disperse and dissolve, the blown air bubbles are large, and the contact with the copper material is uneven, and the efficiency is also low.

The leached solution can only be extracted from the upper part due to the accumulation of copper material at the bottom of the reaction tank, and the operation is complicated. Therefore, we propose a high-efficiency and energy-saving copper dissolving device

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