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Bauxite particle desiliconization device and method based on density segregation theory

A technology of bauxite and particles, applied in chemical instruments and methods, solid separation, grain processing, etc., can solve problems such as equipment corrosion, environmental pollution, high heat consumption, etc., and achieve high-efficiency separation, low labor intensity, and simple equipment structure Effect

Inactive Publication Date: 2020-12-18
ZHONGBEI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the problems of high energy consumption and high heat consumption, serious equipment corrosion and environmental pollution existing in the existing ore dressing and desiliconization method, the present invention provides a bauxite particle desiliconization device and method based on density segregation theory

Method used

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  • Bauxite particle desiliconization device and method based on density segregation theory
  • Bauxite particle desiliconization device and method based on density segregation theory
  • Bauxite particle desiliconization device and method based on density segregation theory

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Embodiment

[0039] Taking a low-grade mixed bauxite ore in Shanxi as the test sample, the parameters of the three raw ores are shown in the table below.

[0040]

[0041] The specific process of desiliconization is as follows: Shanxi low-grade mixed bauxite is crushed by hammer crusher and XJKEP-2 universal jaw crusher, and then pulverized by XTK-2A sealed laboratory sample preparation pulverizer , and carry out sieving and grading through standard grading sieves; sieving and grading uses standard 20 mesh and 40 mesh grading sieves, after double-layer screening, take two sieve intermediates; then add bauxite particles into the material selection chamber through the feed port, Due to the large difference in the density of aluminum and siliceous bauxite particles, resulting in a large difference in quality, it can be effectively screened in the material selection room; under the dual action of the air chamber and the electromagnetic vibrating table, a strengthened bauxite is created The ...

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Abstract

The invention discloses a bauxite particle desiliconization device and method based on a density segregation theory, and belongs to the field of desiliconization and upgrading methods for high-aluminum high-silicon bauxite particles. The bauxite particle desiliconization device and method based on the density segregation theory are capable of solving the problems of high energy consumption, high heat consumption, serious equipment corrosion and environmental pollution of an existing beneficiation and desiliconization method. The bauxite particle desiliconization device based on the density segregation theory structurally comprises a control box, an electromagnetic vibration table, a rubber pad, an air chamber, an air inlet port, an air distribution plate, a sorting chamber and a charging port. According to the invention, vibration energy is introduced into bauxite particles through the electromagnetic vibration table, a fluidization environment for enhancing bauxite particle density segregation is created, efficient separation for aluminum substances and siliceous substances in bauxite is achieved, and an effective method which is simple and reliable in process, low in separation cost and convenient to operate and use is provided for desilicication for the bauxite particles. The process with regard to desilicication for the bauxite particle is efficient, safe, green and environment-friendly; and the equipment is simple in structure, convenient to operate and use, low in labor intensity and capable of achieving continuous production and repeated use.

Description

technical field [0001] The invention belongs to the technical field of desiliconization and upgrading methods for high-alumina and high-silicon bauxite particles, and in particular relates to a device and method for desiliconization of bauxite particles based on density segregation theory. Background technique [0002] Aluminum is one of the most widely distributed elements in nature. Aluminum and its total have excellent properties such as low density, good electrical conductivity, good thermal conductivity, good ductility, easy processing, and non-toxic. The aluminum industry is a resource industry, and its development is based on the development and utilization of resources such as bauxite, energy, and electricity. Bauxite actually refers to a general term for a class of mineral resources with gibbsite, boehmite or diaspore as the main constituent minerals. [0003] As the main raw material for the production of alumina, the ore characteristics of bauxite and its process...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07B13/00B02C23/14B02C23/16
CPCB07B13/003B02C23/14B02C23/16B02C2023/165
Inventor 于雁武刘玉存柴涛荆苏明王建华袁俊明贾康辉茹锐锋郭远赵浩冬
Owner ZHONGBEI UNIV
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