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Equipment for preparing high-purity zinc phosphate through mechanical activation and continuous reaction and application thereof

A high-purity zinc phosphate, mechanical activation technology, applied in inorganic chemistry, phosphorus compounds, chemical instruments and methods, etc., can solve the problems of packaging, product quality is not easy to control, low yield, etc., to reduce reaction time, widely popularized and applied Promising, high-yield effects

Active Publication Date: 2018-10-30
广西科立方新材料有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention combines the continuous reaction with the wet mechanical activation method, overcomes the problems of low output, water-soluble substance wrapping phenomenon, and difficult control of product quality in the prior art, and has the value of popularization and application

Method used

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  • Equipment for preparing high-purity zinc phosphate through mechanical activation and continuous reaction and application thereof
  • Equipment for preparing high-purity zinc phosphate through mechanical activation and continuous reaction and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A kind of equipment for preparing high-purity zinc phosphate by continuous reaction of mechanical activation, comprising a first reaction kettle and a second reaction kettle, the first reaction kettle and the second reaction kettle are connected by pipelines, specifically applied to the preparation of high-purity zinc phosphate including the following step:

[0028] S1: Dissolve soluble ammonium carbonate and soluble zinc sulfate in water respectively, and prepare ammonium carbonate solution and zinc sulfate solution according to the molar ratio of carbonate ions to zinc ions per unit volume of 1:1;

[0029] S2: Transport the zinc sulfate solution to the first reaction kettle at one time, then continuously add the ammonium carbonate solution, stop feeding after adding the same volume of ammonium carbonate solution, and make the two solutions synergistically wet in the first reaction kettle at 25°C Method of mechanical activation, reaction made zinc carbonate or basic zi...

Embodiment 2

[0032] A kind of equipment for preparing high-purity zinc phosphate by continuous reaction of mechanical activation, comprising a first reaction kettle and a second reaction kettle, the first reaction kettle and the second reaction kettle are connected by pipelines, specifically applied to the preparation of high-purity zinc phosphate including the following step:

[0033] S1: Dissolve soluble sodium bicarbonate and soluble zinc nitrate in water respectively, and prepare sodium bicarbonate solution and zinc nitrate solution according to the molar ratio of carbonate ion to zinc ion per unit volume of 1.5:1;

[0034] S2: Transport the zinc sulfate solution to the first reaction kettle at one time, then continuously add the ammonium carbonate solution, stop feeding after adding the same volume of ammonium carbonate solution, and make the two solutions synergistically wet in the first reaction kettle at 50°C Method mechanical activation, carry out reaction and make zinc carbonate ...

Embodiment 3

[0037] A kind of equipment for preparing high-purity zinc phosphate by continuous reaction of mechanical activation, comprising a first reaction kettle and a second reaction kettle, the first reaction kettle and the second reaction kettle are connected by pipelines, specifically applied to the preparation of high-purity zinc phosphate including the following step:

[0038] S1: Dissolve soluble potassium carbonate and soluble zinc chlorate in water respectively, and prepare potassium carbonate solution and zinc salt solution according to the molar ratio of carbonate ions to zinc ions per unit volume of 2:1;

[0039] S2: Transport the zinc chlorate solution to the reaction kettle once, then continuously add the potassium carbonate solution, stop feeding after adding the same volume of potassium carbonate solution, and make the two solutions cooperate with the wet method in the first reaction kettle at 80°C Mechanical activation, reacting to obtain zinc carbonate or basic zinc ca...

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Abstract

The invention discloses equipment for preparing high-purity zinc phosphate through mechanical activation and continuous reaction and application thereof. The equipment comprises a first reaction kettle and a second reaction kettle which are connected through a pipeline, wherein the first reaction kettle comprises a first ball milling device and a first reaction kettle shell; the second reaction kettle comprises a second ball milling device and a second reaction kettle shell. By combining continuous reaction with wet-process mechanical activation, the problems of low yield, water-soluble matterpackaging phenomenon and difficulty in control of product quality in the prior art are overcome, on the one hand, the production process is simplified, on the other hand, the reaction time is shortened, and the yield is increased, so that equipment has wide popularization and application prospects.

Description

【Technical field】 [0001] The invention belongs to the technical field of preparation of inorganic salts, and in particular relates to equipment for preparing high-purity zinc phosphate through continuous reaction through mechanical activation and its application. 【Background technique】 [0002] Zinc phosphate is a new type of non-toxic anti-rust pigment with excellent performance, which is used in the coating industry to prepare various anti-rust coatings and water-based coatings. With the development of science and technology and the enhancement of people's awareness of environmental protection, low-toxic and non-toxic anti-rust pigments represented by zinc phosphate will gradually replace traditional and toxic anti-rust pigments containing lead and chromium. At present, in addition to being used in the production of various anti-corrosion and anti-rust pigments, coatings, phosphating agents for metal surfaces such as steel and pharmaceuticals and dental adhesives, it is al...

Claims

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Application Information

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IPC IPC(8): C01B25/37
CPCC01B25/37C01P2006/80
Inventor 罗想平王则奋潘丽珠黄科林郭佳文张宁潘凯覃宁波
Owner 广西科立方新材料有限公司
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