Treatment and production technique for calcining kaolin

A production process, kaolin technology, applied in the field of kaolin calcination processing production process, can solve the problem of low link efficiency

Inactive Publication Date: 2003-05-07
SANBAO KAOLINIE CLAY INNER MONGOLIA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to improve the whiteness of kaolin product

Method used

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Embodiment Construction

[0007] The raw ore is put into the raw material warehouse with a loader in the raw ore warehouse, and sent to the coarse crusher through the belt conveyor, and crushed into pieces with a particle size of 50mm. The crushed raw ore falls into the belt conveyor to be sent to the Raymond machine for grinding, and the powder is collected by the fan and dust collector and falls into the belt conveyor. The belt conveyor is equipped with electromagnetic iron remover and electronic measuring scale to remove iron impurities and measure. After grinding, the raw ore becomes powder below 325 mesh. After the powder is fed into the feed bin, it is fed into the pulp barrel through the belt conveyor. Add water equal to the weight of the powder in the slurry tank, and add a dispersant (metaphosphate) of 4% of the total weight of the powder and water, stir and beat, and the slurry concentration is 45-55%, and then use a mud pump to send a peeling machine for ultra-fine smash. Under the action...

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PUM

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Abstract

A process for preparing the calcined kaolinite includes such steps as dressing ore, crushing, pulverizing by 325 meshes, mixing with water and disperser, pulverizing by 4500-6000 meshes, drying, pulverizing, calcining at 970-990 deg.C for 30-40 min while adding whitening agent, and breaking. Its features high whiteness and fineness.

Description

Technical field: [0001] The invention relates to a kaolin calcining processing production process, which belongs to the field of non-metallic mineral processing. Background technique: [0002] The traditional calcined kaolinite (soil) is to process the kaolinite ore into 200-800 mesh powder through beneficiation, crushing and grinding; or the raw ore is beneficiated, washed and dried; then calcined in a calciner (kiln). The whiteness of kaolin produced by traditional methods is only 80-90, and the quality is not stable. The product can only be used in ceramics, building materials and medium and low-grade coatings. In addition, the efficiency of some links in the traditional process is also low, such as: dehydration and drying process. Invention content: [0003] The purpose of the present invention is to improve the whiteness of kaolin products and at the same time improve the problem of low efficiency in some links in the traditional process. [0004] The kaolin calcin...

Claims

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Application Information

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IPC IPC(8): C04B33/04C09C1/42
Inventor 王寨民王苏建刘惠军李炳云
Owner SANBAO KAOLINIE CLAY INNER MONGOLIA
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