Processing method of mica iron oxide

A mica iron oxide and processing method technology, applied in the direction of solid separation, grain processing, etc., can solve the problems of destroying mica iron oxide flake structure, poor crushing effect, complicated crushing process, etc., and achieves easy industrial production and narrow particle size range , to achieve the effect of industrialized production

Inactive Publication Date: 2017-02-01
安徽纽亚达科技有限责任公司
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Problems solved by technology

The traditional mica iron oxide crushing process is complicated, the crushing effect is not good, the particle size range is relatively wide, and it will destroy the flake structure of mica iron oxide

Method used

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  • Processing method of mica iron oxide

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Embodiment Construction

[0020] like figure 1 Shown, a kind of processing method of micaceous iron oxide comprises the following steps:

[0021] (a) Crushing of raw materials: use a double-stage crusher to crush the mica iron oxide raw materials, and send the crushed materials smaller than 150mm directly into the powder silo;

[0022] (b) The material in the step (a) is transported to the feed inlet of the ball mill 2 through the belt 1, and the material after the ball milling of the ball mill 2 enters the spiral classifier 3 through the pipeline, and the overflow after the spiral classifier 3 is classified The flow sand is pumped to cyclone-4 for the first sorting, and the returned sand from the spiral classifier 3 is returned to the feed port of the ball mill 2 for regrinding. The classifying fineness of the spiral classifier 3 is -200 mesh quality The content is controlled at 85-90%;

[0023] (c) The overflow of cyclone one 4 is sorted by sand pump to cyclone two 5 for the second sorting. Cyclone...

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Abstract

The invention provides a processing method of mica iron oxide. The processing method of the mica iron oxide includes the following steps that, (a) raw materials are broken; (b) the materials in the step (a) are subjected to ball-milling through a ball mill, and overflow generated after classification of a spiral classifier is fed into a first hydrocyclone for the first time of separation; (c) a second hydrocyclone is used for performing the second time of separation; (d) the third time of separation is performed in a third hydrocyclone, and fine grinding is further performed; (e) the overflow separated through a fourth hydrocyclone is iron oxide red, settled sand of the fourth hydrocyclone is iron oxide grey crude products, and the iron oxide grey crude products are concentrated through table concentrators at two times; and (f) concentration, dewatering and drying are performed on iron oxide grey and the iron oxide red, and iron oxide grey finished products and iron oxide red finished products are obtained. By means of the processing method of the mica iron oxide, prepared mica iron oxide products are large in content of sheet structures and smaller in average particle size, the particle size range is small, the purpose of producing the iron oxide red and the iron oxide grey at the same time can be achieved, and industrial production can be easily achieved.

Description

technical field [0001] The invention relates to the technical field of mica iron oxide processing, in particular to a processing method of mica iron oxide. Background technique [0002] Mica iron oxide is a special iron ore in nature with ferric oxide as the main chemical composition. Its crystallization state is similar to mica, and its structure is scale-like, gray-black, with metallic luster. Due to its unique scaly structure, iron oxide ash (light gray or dark gray) and iron oxide red (rust red) prepared by crushing, ultra-fine processing, and sorting are mainly used as pigments and fillers for anti-corrosion coatings. The traditional mica iron oxide crushing process is complicated, the crushing effect is not good, the particle size range is relatively wide, and the sheet structure of mica iron oxide will be destroyed. Contents of the invention [0003] In view of the above-mentioned technical problems, the object of the present invention is to provide a method for pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03B9/00B02C21/00B02C23/20
CPCB03B9/00B02C21/00B02C23/20
Inventor 崔应武李卫诚陈正余
Owner 安徽纽亚达科技有限责任公司
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