Super-leaching device and method

Abstract

The invention discloses a super-leaching device and method. The device comprises super-leaching cavities, activating structures, ventilation structures, a temperature control structure and a control structure, wherein the super-leaching cavities comprise outer sleeves and inner sleeves, sectional type hollow cavities are formed between the outer sleeves and the inner sleeves, end covers are arranged at two ends of the outer sleeves and two ends of the inner sleeves correspondingly, and the end covers are provided with feeding pipes, lining plates, filtering screens, discharging pipes and medium discharging ports correspondingly; the activating structures comprise shafts, shaft power input structures, pin rods and activation mediums, the ventilation structures comprise air inlet flow metersand ventilation pipelines, the temperature control structure comprises a circulation system composed of circulating water pipelines, and the control structure comprises a pH meter/potentiometer, an oxygen dissolving instrument, a temperature measuring instrument, a pressure gauge and a shaft rotating speed variable-frequency controller; and the invention further provides a super-leaching method.According to the device and the method, wrapping of valuable metals inside minerals can be broken so that the valuable metals can be sufficiently exposed; and meanwhile, the problems that gas mass transfer in the super-leaching device is not uniform, fluctuation of a solution oxidation reduction potential value and a pH value is large, the valuable metal leaching efficiency is low, and the discharging is difficult are solved.

Description

technical field [0001] The invention relates to a leaching device and method, in particular to a super leaching device and method. Background technique [0002] In chemical industry, smelting and other technical fields, such as thiourea gold leaching reaction, cyanidation gold leaching reaction, chemical reactions involving oxygen, etc., it is often necessary to consider the oxidation-reduction potential value of the solution, the amount of oxygen dissolved, and the uniformity of material mixing And the contact strength between the valuable metal in the material and the leaching agent. The leaching efficiency and production cost of valuable metals are inseparable from the reaction process. The uniformity of material slurry and the speed of leaching reaction of valuable metals are directly affected by the molecular thermal movement and redox potential during the leaching process. In the existing technology, most of the materials are enhanced leaching by ordinary stirring dev...

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Problems solved by technology

[0007] The technical problem to be solved by the present invention is, aiming at the above-mentioned problems existing in the prior art, to provide a kind of mineral that can break the package of valuable metals inside the mineral, with high control precision of dissolved oxygen, high control precision of solution pH value and oxidation-reduction potential. The super leaching device and method, the present invention can break the wrapping of valuable metals inside the mineral, make it fully exposed, and at the same time solve the problem of inhomogeneous gas mass transfer, large fluctuations in the oxidation-reduction potential value and pH value of the solution, and valuable metals in the leaching device. The problem of low metal leaching efficiency and difficult discharge

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