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Method and equipment for slime deep purification of quartz tailings

A technology of quartz tailings and purification methods, applied in the direction of silica, solid separation, silica, etc., can solve problems such as low efficiency, high pollution, and low yield

Active Publication Date: 2020-05-19
深圳市鑫昌龙新材料研究所有限公司
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Problems solved by technology

[0009] The main purpose of the present invention is to provide a method for deep purification of quartz tailings slime, in order to realize the deep purification of quartz tailings slime to produce high-purity quartz powder that meets specific specifications, and solve the problem of purification of quartz tailings ore sand Problems of low yield, high pollution and low efficiency

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  • Method and equipment for slime deep purification of quartz tailings
  • Method and equipment for slime deep purification of quartz tailings
  • Method and equipment for slime deep purification of quartz tailings

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Embodiment Construction

[0051] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are only part of the embodiments for understanding the inventive concepts of the present invention, and cannot represent All the embodiments are not explained as the only embodiment. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art on the premise of understanding the inventive concepts of the present invention fall within the protection scope of the present invention.

[0052] It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the sp...

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Abstract

The invention relates to a method and equipment for slime deep purification of quartz tailings. The method comprises the following steps of: obtaining slime with a specific particle size range, acid leaching, first solid-liquid separation, rinsing, neutral flotation and second solid-liquid separation and drying, wherein the acid solution used for acid leaching comprises sulfuric acid, and the acidconcentration is between 18% and 24%. The method has the effect of preparing high-purity quartz powder with high yield, and the silica purity of the high-purity quartz powder is above 99 wt%, the content of aluminum oxide is below 0.5 wt%, and the content of iron sesquioxide is below 0.01 wt%.

Description

technical field [0001] The invention relates to the technical field of purification of quartz tailings, in particular to a method and equipment for deep purification of quartz tailings slime. Background technique [0002] Quartz is the main component of siliceous raw materials such as quartz sand, quartz sandstone, quartz stone, and vein quartz. It is a common non-metallic mineral raw material and has a wide range of applications. High-purity silica powder is made by processing. Because of its unique physical and chemical properties, the application of high-purity quartz sand / silica powder has expanded from traditional fields such as glass products, building materials, waterproof and anti-corrosion materials to high-tech industries. , is an indispensable basic raw material for traditional and high-tech material industries such as electronics, electrical appliances, high-end glass, precision casting, plastics, coatings, refractory materials, rubber, ink, construction concrete...

Claims

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Application Information

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IPC IPC(8): B03B9/00C01B33/12
CPCB03B9/00C01B33/12
Inventor 邵宗强黄燕生
Owner 深圳市鑫昌龙新材料研究所有限公司
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