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Preparation method of phlogopite powder

A technology of phlogopite powder and phlogopite, applied in chemical instruments and methods, non-metallic elements, inorganic chemistry, etc., can solve the problems of discoloration and impreciseness of finished phlogopite powder, and achieve natural color, smooth hand feeling and low heavy metal content Effect

Inactive Publication Date: 2019-01-11
ANHUI HENGHAO SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the shortcomings of discoloration and impreciseness in the finished phlogopite powder that exists in the prior art, and propose a kind of preparation method of phlogopite powder

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] S1, material selection, manual selection of phlogopite ore, the density of the selected mica ore is 2.50g / cm 3 -3.00g / cm 3 , with a volume of 1 cm 3 -500cm 3 , the whiteness is 60-65, the Mohs hardness is 2.75-2.8, and the refractive index is 1.55-1.6;

[0023] S2, crushing, put the selected phlogopite ore into the jaw crusher for crushing, then pass the crushed phlogopite ore through a bar sieve, and screen out a volume of 1cm 3 -10cm 3 phlogopite raw material A, and the remaining phlogopite ore is further crushed with a tooth crusher, and the crushed phlogopite ore is passed through a bar sieve, and the screened volume is 1cm 3 -10cm 3 Phlogopite raw material B;

[0024] S3, mixing phlogopite raw material A with phlogopite raw material B to obtain phlogopite raw material C, the phlogopite raw material C and water are mixed with water according to the solid-to-liquid ratio of 1:2, and the phlogopite raw material A and phlogopite are mixed using a stirred reactor ...

Embodiment 2

[0030] S1, material selection, manual selection of phlogopite ore, the density of the selected mica ore is 2.50g / cm 3 -3.00g / cm 3 , with a volume of 1 cm 3 -500cm 3 , the whiteness is 60-65, the Mohs hardness is 2.75-2.8, and the refractive index is 1.55-1.6;

[0031] S2, crushing, put the selected phlogopite ore into the jaw crusher for crushing, then pass the crushed phlogopite ore through a bar sieve, and screen out a volume of 1cm 3 -10cm 3 phlogopite raw material A, and the remaining phlogopite ore is further crushed with a tooth crusher, and the crushed phlogopite ore is passed through a bar sieve, and the screened volume is 1cm 3 -10cm 3 Phlogopite raw material B;

[0032] S3, mixing phlogopite raw material A with phlogopite raw material B to obtain phlogopite raw material C, the phlogopite raw material C and water are mixed with water according to the solid-to-liquid ratio of 1:2.5, and the phlogopite raw material A and phlogopite are mixed using a stirred reacto...

Embodiment 3

[0038] S1, material selection, manual selection of phlogopite ore, the density of the selected mica ore is 2.50g / cm 3 -3.00g / cm 3 , with a volume of 1 cm 3 -500cm 3 , the whiteness is 60-65, the Mohs hardness is 2.75-2.8, and the refractive index is 1.55-1.6;

[0039] S2, crushing, put the selected phlogopite ore into the jaw crusher for crushing, then pass the crushed phlogopite ore through a bar sieve, and screen out a volume of 1cm 3 -10cm 3 phlogopite raw material A, and the remaining phlogopite ore is further crushed with a tooth crusher, and the crushed phlogopite ore is passed through a bar sieve, and the screened volume is 1cm 3 -10cm 3 Phlogopite raw material B;

[0040] S3, mixing phlogopite raw material A with phlogopite raw material B to obtain phlogopite raw material C, the phlogopite raw material C and water are mixed as 1:3 by solid-to-liquid ratio, utilize stirring reactor to phlogopite raw material A and phlogopite The raw material B was stirred and mix...

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Abstract

The invention discloses a preparation method of phlogopite powder. The preparation method comprises: S1, manually selecting phlogopite ores, S2, crushing the selected phlogopite ores, and screening the crushed phlogopite ores through a strip sieve to obtain a phlogopite raw material, S3, mixing the phlogopite raw material and water according to a solid-liquid ratio of 1: 2 to 1: 3 to obtain phlogopite powder slurry, S4, adding a hydrochloric acid solution with a concentration of 20% to 35% into the phlogopite powder slurry, heating the phlogopite powder slurry to 40 DEG C, and carrying out stirring along with heat preservation for 0.5h to obtain the phlogopite powder slurry mixed solution, S5, cooling the phlogopite powder slurry mixed solution to the room temperature, putting the mixed solution into a wet superfine grinder and carrying out wet superfine grinding, and S6, dehydrating, drying, sterilizing and dispersing the processed materials to obtain phlogopite powder. The preparation method retains the flaky structure of the phlogopite, a large diameter-to-thickness ratio, a high refractive index, high purity, high gloss, smooth feeling, natural color and low heavy metal content.

Description

technical field [0001] The invention relates to the technical field of phlogopite preparation, in particular to a preparation method of phlogopite powder. Background technique [0002] Phlogopite is one of the muscovite minerals. It is a monoclinic layered silicate mineral. It is an aluminum silicate containing iron, magnesium and potassium. If the iron in the phlogopite is not too much , it can be used as an electrical insulating material, and it is widely used in chemical industries such as building materials industry, fire protection industry, fire extinguishing agent, welding rod, plastics, electrical insulation, paper making, asphalt paper, rubber, and pearlescent pigments. Pure natural green phlogopite powder can be used directly in pressed powder, BB cream, loose powder, liquid foundation, mask, etc. without adding any pigment, and has received high praise from the industry. [0003] The raw materials for preparing phlogopite powder generally all use phlogopite ore, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B33/42
CPCC01B33/42C01P2004/54C01P2004/61C01P2006/10
Inventor 余欢秦海燕陈静
Owner ANHUI HENGHAO SCI & TECH
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