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Zeolite grinding pretreatment method

A pretreatment and zeolite technology, applied in the field of zeolite, can solve problems such as poor solubility, and achieve the effects of improving repulsive force, improving grinding efficiency, and improving grinding aid effect.

Inactive Publication Date: 2018-01-19
WUHU LEISURELY NURSING SUPPLIES POLYTRON TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the crystal structure of zeolite makes it resistant to acid and heat, and its solubility is poor, which seriously affects its use.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A zeolite grinding pretreatment method, the operation steps are as follows:

[0021] Weigh zeolite with a particle size of 50 μm and deionized water in a high-speed disperser at a stirring speed of 1500 r / min and stir and mix to form a slurry with a mass fraction of zeolite of 35%, adding zeolite with a mass ratio of 1:2 The grinding aid mixed with polyethylene glycol and sodium hexametaphosphate is stirred and mixed evenly in a high-speed disperser at a stirring speed of 1500r / min, and then added to the ball mill, and then added the oxidized mixture of spherical and cylindrical shapes whose mass is 2.5 times the mass of zeolite. Zirconium grinding media, the spherical size is φ10mm, the cylindrical size is 7×φ7mm, the mass ratio of the spherical shape and the cylindrical shape is 2:1, under the protection of nitrogen, first pass through a first-level horizontal ball mill, the grinding time is 50min, the temperature is 50°C, and the grinding Then carry out secondary ver...

Embodiment 2

[0023] A kind of zeolite grinding pretreatment method in the present embodiment is the same as embodiment 1, and the difference is that the added quality of grinding aid is 2% of zeolite quality, and grinding aid is the polyethylene glycol and hexametaphosphoric acid that mass ratio is 1:4 Sodium mix.

Embodiment 3

[0025] A zeolite grinding pretreatment method in this embodiment is the same as that in Example 2, except that the added mass of grinding media is 3 times the mass of zeolite.

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Abstract

Disclosed is a zeolite grinding pretreatment method. The two-level grinding technology is adopted by zeolite, a grinding aid and a zirconium oxide grinding medium are added in the grinding process, and therefore the grinding efficiency is guaranteed, and the grinding uniformity and the degree of dispersion of the ground zeolite are improved. The distribution ratio of the zeolite which is ground through the method and has the particle size ranging from 0.5 micrometer to 1 micrometer is 81.2%.

Description

technical field [0001] The invention relates to the field of zeolite, in particular to zeolite pretreatment, in particular to a zeolite grinding pretreatment method. Background technique [0002] Zeolite is the general term for zeolite minerals. It is a hydrous alkali metal or alkaline earth metal aluminosilicate mineral. One-dimensional, two-dimensional, three-dimensional systems. Any zeolite is composed of silica tetrahedron and alumina tetrahedron. Tetrahedra can only be connected by vertices, that is, sharing an oxygen atom, but not by "edges" or "faces". The aluminum-oxygen tetrahedron itself cannot be connected, and there is at least one silicon-oxygen tetrahedron in between. Silicon-oxygen tetrahedrons can be directly connected. The silicon in the silicon-oxygen tetrahedron can be replaced by aluminum atoms to form an aluminum-oxygen tetrahedron. Due to its special physical structure, zeolite is widely used in industry, agriculture, national defense and other sec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C17/10B02C17/20B02C23/36
Inventor 程岗程胜晋静
Owner WUHU LEISURELY NURSING SUPPLIES POLYTRON TECH INC