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Acid leaching device for silicon ore purification

A technology of acid leaching and silicon ore, which is applied in the production field of silicon ore purification, can solve the problems of poor acid leaching effect, poor stirring effect, and long processing time, so as to shorten the acid leaching time, improve the acid leaching effect, and acid leaching good dip effect

Inactive Publication Date: 2014-03-26
成都兴能新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current acid leaching device has the following disadvantages: it is only suitable for cold acid leaching, and the treatment time is long; the gasified acid is not treated, which is easy to cause environmental pollution; the stirring effect during acid leaching is not good, resulting in poor acid leaching effect

Method used

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  • Acid leaching device for silicon ore purification

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Effect test

Embodiment Construction

[0019] like figure 1 The acid leaching device shown for the purification of silicon ore includes an acid leaching barrel body 1, and the outside of the acid leaching barrel body 1 is provided with a jacket 2 that can be passed into a heating medium or a cooling medium, and the jacket 2 is provided with a medium Inlet 5 and medium outlet 6; the top of the acid leaching tank body 1 is provided with a feeding port 7 and an acid gas escape port 8; the top of the acid gas escape port 8 is provided with an acid gas filter layer 9, and the acid gas filter layer 9 The glass fiber sewing thread base cloth layer and glass fiber layer impregnated with PTFE are sequentially laminated; the top of the pickling barrel body 1 is fixed with a motor 3, and the motor 3 is connected to a stirring mechanism, and the stirring mechanism includes a stirring spindle And three stirring slave shafts 4, and each stirring slave shaft 4 is provided with a stirring block 10 below.

[0020] An acid disch...

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Abstract

The invention provides an acid leaching device for silicon ore purification, and relates to the production field of silicon ore purification. The acid leaching device for silicon ore purification, provided by the invention, adopts the scheme that an outer cover for allowing a medium to be introduced into is arranged on the outer surface of an acid leaching bucket body to facilitate leaching hot acid, so that the processing time is shortened; a stirring mechanism provided with three stirring driven shafts and stirring blocks is provided, so that the stirring effect while acid leaching is excellent, and the acid leaching effect is improved; an acid gas filtering layer is arranged at an acid gas discharge opening to process acid gas generated during hot acid leaching, so that the harm of the acid gas to a human body and the environment is reduced. The device provided by the invention can achieve the dual functions of acid leaching and silicon ore washing after acid leaching, so that no additional washing device is needed.

Description

[0001] technical field [0002] The invention relates to the production field of silicon ore purification, in particular to an acid leaching device for silicon ore purification. Background technique [0003] With the advancement of science and technology, high-tech industries such as optical power supply, electronics industry, optical communication, SiO2 thin film materials, large-scale and ultra-large-scale integrated circuits, lasers, aerospace, military industry and other high-tech industries are developing rapidly, and the demand for high-grade quartz raw materials is very high. big. However, due to the high quality requirements of these special quartz raw materials, the required content is usually greater than 99.9%, or even 99.99%, while the allowable impurity content is very low. Only high-grade natural primary and secondary crystals can meet the requirements. Natural crystal resources are becoming increasingly depleted, especially high-grade natural crystal resou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B33/12
Inventor 王维利范未峰
Owner 成都兴能新材料股份有限公司
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