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A secondary zinc oxide leaching technology, applied in the field of secondary zinc oxide leaching equipment, can solve the problems of single separation function or separation components, inconvenient cleaning, etc., and achieve the effects of small footprint, promotion of cleaning process, and compact overall structure
Active Publication Date: 2021-12-28
衡阳百赛化工实业有限公司
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[0006] Aiming at the deficiencies of the prior art, the present invention provides a secondary zinc oxide leaching device, which solves the problems of the existing secondary zinc oxide leaching device with single separation function or separated components and inconvenient cleaning
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[0031] Such as Figure 1-6 As shown, the embodiment of the present invention provides a secondary zinc oxide leaching device, which includes a casing 1, the inner bottom of the casing 1 is provided with a heat exchange tube group 24 for waste heat utilization, and the inner wall of the casing 1 is fixedly connected with a horizontal Partition 21, the middle part of horizontal partition 21 is provided with ash drain 23, used for burning coal ash to fall, the inner wall of shell 1 and the upper surface of horizontal partition 21 is provided with refractory brick layer 2, the inner wall of shell 1 and is located in refractory The upper end surface of the brick layer 2 is fixedly connected with a lower mounting plate 5, and the middle part of the lower mounting plate 5 is provided with a leaching tank 6 for placing secondary zinc oxide. The leaching solution such as sulfuric acid of secondary zinc oxide and cleaning water are discharged, the discharge pipe 3 passes through the ref...
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Abstract
The invention provides a secondary zinc oxide leaching device, which relates to the technical field of recycling. This zinc oxide leaching device includes a shell, the inner bottom of the shell is provided with a heat exchange tube group, the inner wall of the shell is fixedly connected with a horizontal partition at the lower part, and the middle part of the horizontal partition is provided with an ash drain, The inner wall of the housing and the upper surface of the horizontal partition are provided with a refractory brick layer, the inner wall of the housing and the upper surface of the refractory brick layer is fixedly connected with a lower mounting plate, and the middle part of the lower mounting plate is provided with a leaching pool , the outer surface of the leaching tank is fixedly connected with a discharge pipe at the lower part. Through the leaching tank, the electrode sheet and the heating and roasting of the leaching tank, different structural and functional combinations can separate different components in secondary zinc oxide under different conditions. The overall structure is compact and occupies a small area. The role of the smoke adsorption layer It can absorb the coal smoke and then discharge it, which is friendly to the environment and can clean the leaching tank.
Description
technical field [0001] The invention relates to the technical field of recycling, in particular to a secondary zinc oxide leaching device. Background technique [0002] Secondary zinc oxide is one of the main steel-rich waste slags in the zinc smelting industry. It is named after its main components are secondary zinc oxide and zinc oxide. The chemical composition of secondary zinc oxide varies greatly with different mineral sources, generally containing zinc, indium, arsenic, antimony, tin, silver, lead, cadmium, bismuth and other metals, among which lead, arsenic, cadmium and other elements are toxic and easy to water and soil cause serious pollution. [0003] Valuable metals such as zinc, indium, arsenic, antimony, tin, silver, lead, cadmium, and bismuth contained in secondary zinc oxide all have high recovery value, especially in the current situation where steel resources are relatively scarce. Scattered metal indium is the focus, and research on the comprehensive rec...
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