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Method for preparing artificially synthesized fluorophlogopite

A fluorophlogopite and artificial synthesis technology, applied in the direction of aluminum silicate, silicate, etc., can solve the problems of high price, difficulty in meeting strong demand, and increased production cost of artificially synthesized fluorophlogopite, so as to improve product quality and reduce The production cost and the effect of excellent electrical insulation performance

Active Publication Date: 2015-09-02
广东三宝新材料科技股份有限公司
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, after many years of extensive use, raw materials such as high-quality quartz sand, alumina powder, and potassium carbonate are increasingly in short supply, and their prices are also relatively high, which not only leads to an increase in the production cost of artificially synthesized fluorophlogopite, but also is not conducive to ensuring the production of artificially synthesized fluorophlogopite. It is difficult to meet the market's strong demand for high-quality synthetic fluorphlogopite sheets

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  • Method for preparing artificially synthesized fluorophlogopite
  • Method for preparing artificially synthesized fluorophlogopite
  • Method for preparing artificially synthesized fluorophlogopite

Examples

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Effect test

Embodiment 1

[0042] Synthetic fluorphlogopite was prepared from fused magnesia, potassium fluorosilicate, potassium feldspar and calcined kaolin.

[0043] Raw material pretreatment: (1) Repeated sorting and crushing of bulk potassium feldspar (such as Pingyuan potassium feldspar) to finally obtain potassium feldspar particles with a particle size below 40 mesh; (2) kaolin (such as Heyuan kaolin) at 950 Calcined at -1000°C for 0.5 hours, and the calcined kaolin obtained by calcination was crushed to obtain calcined kaolin particles (calcined Heyuan kaolin particles) with a particle size below 40 mesh; (3) Coarse fused magnesia and potassium fluorosilicate Crushed to obtain fused magnesia particles and potassium fluorosilicate particles. The potassium feldspar particles, fused magnesia particles, and potassium fluorosilicate particles obtained above are also dried by microwave drying to remove moisture; Potassium acid particles for iron removal treatment.

[0044] The fused magnesia obtain...

Embodiment 2

[0067] Synthetic fluorphlogopite was prepared from fused magnesia, potassium fluorosilicate, potassium feldspar and calcined kaolin.

[0068] Raw material pretreatment: (1) Repeated sorting and crushing of bulk potassium feldspar (such as Pingyuan potassium feldspar) to finally obtain potassium feldspar particles with a particle size below 40 mesh; (2) kaolin (such as Heyuan kaolin) at 900 Calcined at a temperature of -950°C for 0.5 hours, and the calcined kaolin obtained by calcination was crushed to obtain calcined kaolin particles with a particle size below 40 mesh (calcined Heyuan kaolin particles); (3) Coarse fused magnesia and potassium fluorosilicate Crushed to obtain fused magnesia particles and potassium fluorosilicate particles. The potassium feldspar particles, fused magnesia particles, and potassium fluorosilicate particles obtained above are also dried by microwave drying to remove moisture; Potassium acid particles for iron removal treatment.

[0069] The fused...

Embodiment 3

[0092] Synthetic fluorphlogopite was prepared from fused magnesia, potassium fluorosilicate, potassium feldspar and calcined kaolin.

[0093] Raw material pretreatment: (1) Repeated sorting and crushing of bulk potassium feldspar (such as Pingyuan potassium feldspar) to finally obtain potassium feldspar particles with a particle size below 40 mesh; (2) kaolin (such as Heyuan kaolin) at 1050 Calcined at -1100°C for 0.5 hours, and the calcined kaolin obtained by calcination was crushed to obtain calcined kaolin particles (calcined Heyuan kaolin particles) with a particle size below 40 mesh; (3) Coarse fused magnesia and potassium fluorosilicate Crushed to obtain fused magnesia particles and potassium fluorosilicate particles. The potassium feldspar particles, fused magnesia particles, and potassium fluorosilicate particles obtained above are also dried by microwave drying to remove moisture; Potassium acid particles for iron removal treatment.

[0094] The fused magnesia obtai...

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Abstract

The invention discloses a method for preparing artificially synthesized fluorophlogopite. The method is characterized in that the artificially synthesized fluorophlogopite is prepared from the following raw materials in percentage by weight: 29%-31% of fused magnesite, 19%-20% of potassium fluosilicate, 19%-21% of potassium feldspar and 29%-31% of calcined kaolin. The chemical raw materials such as the fused magnesite, alumina powder and potassium carbonate are replaced with common potassium feldspar and calcined kaolin; and natural resources are relatively well utilized, so that the production cost is reduced; and the high-quality artificially synthesized fluorophlogopite can be fired.

Description

technical field [0001] The invention relates to artificially synthesized mica, in particular to a method for preparing artificially synthesized fluorphlogopite. Background technique [0002] Synthetic Fluorphlogopite KMg 3 (A1Si 3 o 10 )F 2 (also known as synthetic mica), is a layered silicate compound formed from chemical raw materials and mineral raw materials through high temperature reaction, melting, cooling, crystallization and growth. It does not contain hydroxyl, so it has good temperature resistance and good insulation; it is directly fired from the compound, so it has high purity and whiteness. The artificially synthesized fluorophlogopite powder is widely used in mica titanium pearlescent pigments, cosmetic powders, plastic and ceramic fillers, and the artificially synthesized fluorophlogopite is widely used in the electronics industry due to its excellent electrical insulation properties. [0003] At present, internal heat method is commonly used to burn art...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B33/26
Inventor 李祈霖李佛恩郑惠容
Owner 广东三宝新材料科技股份有限公司
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