Preparing method for ultra-fine tourmaline powder material

A technology of tourmaline powder and bulk material is applied in the field of preparation of ultra-fine tourmaline powder material, which can solve the problems of difficult to meet user requirements, no clear details, wide distribution, etc.

Inactive Publication Date: 2004-06-16
浙江仁智股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] 1. The particle size is not fine enough and the distribution is wide
For example, the particle size distribution range of tourmaline produced by CN1287888A disclosed "tourmaline and its manufacturing method" is 0.1-15 μm, and no specific d 50 、d 90 、d 97 Data with equal particle size and particle size distribution is difficult to meet user requirements
[0012] 2. Without surface treatment
Since tourmaline is an inorganic mi...

Method used

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  • Preparing method for ultra-fine tourmaline powder material
  • Preparing method for ultra-fine tourmaline powder material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Black tourmaline powder (fineness 200 mesh sieve remaining 2%, tourmaline content greater than 95%) 300kg, add 140kg water and 1.8kg sodium polyacrylate (dispersant), stir and disperse at high speed in a Φ800×1000mm dispersion tank for 15min., then pump into the first stage of the continuous two-stage GBP-80 grinding and peeling machine, and then pumped into the second stage of the grinding and peeling machine for 3.0 hours of circular grinding, and the ultrafine tourmaline slurry after grinding is pumped into the Φ800 In a temperature-controllable reaction tank of ×1000mm, the slurry concentration (mass percentage of tourmaline) is 65%, the temperature is raised to 75°C, 4.5kg of silane coupling agent is added, and the reaction is stirred at 75±5°C for 75min. Finally, the surface treated The slurry is fed into the XFG-400 multifunctional dryer for drying, the drying temperature is 197°C, and the outlet temperature of the dryer is 87°C.

Embodiment 2

[0028] Black tourmaline powder (fineness 200 mesh sieve remaining 2%, tourmaline content greater than 95%) 300kg, add 135kg water and 1.8kg triethanolamine (dispersant), stir and disperse at high speed in a Φ800×1000mm dispersing tank for 15min., then pump into The first stage mill in the continuous two-stage GBP-80 type grinding and peeling machine, after 3.0 hours of circular grinding, it is pumped into the second stage of grinding and peeling machine for 3.0 hours of circular grinding, and the ground ultrafine tourmaline slurry is pumped into Φ800× In a 1000mm temperature-controllable reaction tank, the slurry concentration (mass percentage of tourmaline) is 65%, the temperature is raised to 80°C, 3.6kg of silane coupling agent and 1.2kg of sodium stearate are added successively, and the reaction is stirred at 80±5°C for 80min , and finally put the surface-treated slurry into an XFG-400 multifunctional dryer for drying, the drying temperature is 208°C, and the outlet tempera...

Embodiment 3

[0030] Black tourmaline powder (fineness 200 mesh sieve remaining 2%, tourmaline content greater than 95%) 250kg, add 115kg water and 1.5kg sodium polyacrylate (dispersant), stir and disperse at high speed in a Φ800×1000mm dispersion tank for 15min., then pump into the first stage of the continuous two-stage GBP-80 grinding and peeling machine, and then pumped into the second stage of the grinding and peeling machine for 3.0 hours of circular grinding, and the ultrafine tourmaline slurry after grinding is pumped into the Φ800 In a ×1000mm temperature-controllable reaction tank, the slurry concentration (mass percentage of tourmaline) is 65%, the temperature is raised to 80°C, 4.0kg of silane coupling agent is added, and the reaction is stirred at 80±5°C for 70min, and finally the surface-treated The slurry is fed into an XFG-400 multifunctional dryer for drying, the drying temperature is 206°C, and the outlet temperature of the dryer is 90°C.

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Abstract

The invention relates to a process for preparing ultra-fine tourmaline powder material, which comprises the steps of, decentralizing for grout making, wet-type super fine crushing, wet method surface preparation and drying. The invention realizes super fine grain size, better dispersity and surface activity.

Description

Technical field: [0001] The invention relates to a preparation method of ultrafine tourmaline powder material. Background technique: [0002] Tourmaline is a silicate mineral with a ring structure of aluminum, sodium, iron and lithium characterized by boron, and its chemical formula can be abbreviated as NaR 3 Al 6 Si 6 B 3 o 27 (OH) 4 , where Na can be locally replaced by K and Ca, (OH) can be replaced by F, but there is no phenomenon of Al replacing Si. The R position is homogeneous and heterogeneous, and there are mainly four terminal members: [0003] R=Mg Magnesite, NaMg 3 Al 6 [Si 6 o 18 ][BO 3 ] 3 (OH) 4 ; [0004] R=Fe black tourmaline, NaFe 3 Al 6 [Si 6 o 18 ][BO 3 ] 3 (OH) 4 ; [0005] R=Li+Al lithium tourmaline, Na(Li, Al) 3 Al 6 [Si 6 o 18 ][BO 3 ] 3 (OH,F) 4 ; [0006] R=Mn sodium manganese tourmaline, NaMn 3 Al 6 [Si 6 o 18 ][BO 3 ] 3 (OH) 4 ; [0007] The shape of tourmaline is compound trigonal single cone crystal, the cr...

Claims

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Application Information

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IPC IPC(8): C04B35/16C04B35/622
Inventor 郑水林汪建军钱忠良雷斌尹显庸李阳
Owner 浙江仁智股份有限公司
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