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Method for processing water-free magnesium chloride granule

A technology of anhydrous magnesium chloride and processing methods, applied in the direction of magnesium chloride, magnesium halide, etc., can solve the problems of inconvenient use, uneven distribution of magnesium chloride, uneven distribution of magnesium chloride and impurities, etc., and achieve energy saving, uniform distribution of ingredients, and saving processes Effect

Inactive Publication Date: 2009-06-03
MINMEI SCI TECH QINGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the anhydrous magnesium chloride sold on the market is mainly lumpy anhydrous magnesium chloride. In use, there is an uneven distribution of magnesium chloride in anhydrous magnesium chloride, that is, because of its block structure, the distribution of magnesium chloride and impurities in it is uneven. , and there are inconvenient shortcomings in use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1: Get the anhydrous magnesium chloride melt that contains anhydrous magnesium chloride 97.42%, heat to 765 ℃ in the molten salt furnace, after standing for 20 minutes, the granulation cup is heated with liquefied petroleum gas, and simultaneously the siphon is used Electric heating to 650 ℃, that is, when it turns dark red, the anhydrous magnesium chloride melt obtained after standing still is added to the rotating granulation cup through a siphon tube with a vacuum degree of 0.04MPa, and the granulation cup The aperture of the granulation hole is 2mm, the rotating speed of the granulation cup is 1350 rev / min, and the granulation time is 35 minutes. %.

Embodiment 2

[0014] Example 2: Take anhydrous magnesium chloride melt containing 97% of anhydrous magnesium chloride, heat it to 780°C in a molten salt furnace, and after standing for 25 minutes, heat the granulation cup with liquefied natural gas, and simultaneously heat the siphon To 720°C, use a vacuum suction tube with a vacuum degree of 0.045MPa to add it into a granulation cup with a rotation speed of 1800 rpm through a siphon tube. The granulation hole diameter in the granulation cup is 1.8mm. The particle size of the drops is 1-1.8mm, and the granulation time is 30 minutes. The meshes are 1×1mm and 1.8×1.8mm for grading and screening, and the particle size of the obtained anhydrous magnesium chloride particles is 1-2mm. accounted for 90%.

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Abstract

The processing method of anhydrous magnesium chloride granules includes the following steps: (1) heating and melting; (2) standing still; (3) preheating; (4) granulating; (5) cooling to make crystallization; and (6). sorting and screening. Said method can reduce energy consumption, can save energy source, and the grain size of said product is uniform, and its component distribution is uniform, so that its application is more convenient, and is favorable for industrial application.

Description

technical field [0001] The invention relates to a processing technology of anhydrous magnesium chloride, in particular to a processing method of anhydrous magnesium chloride particles. Background technique [0002] At present, the anhydrous magnesium chloride sold on the market is mainly lumpy anhydrous magnesium chloride. In use, there is an uneven distribution of magnesium chloride in anhydrous magnesium chloride, that is, because of its block structure, the distribution of magnesium chloride and impurities in it is uneven. , and there are inconvenient shortcomings in use. Contents of the invention [0003] The purpose of the present invention is exactly for above-mentioned shortcoming, provides a kind of content distribution uniform, the processing method of anhydrous magnesium chloride granule that is easy to use. [0004] The processing method of the present invention namely anhydrous magnesium chloride particle, its step is as follows: [0005] (1) Heating and melt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01F5/30
Inventor 王玉辉谢江河周茂敬李建昌张勇军海永升李勇
Owner MINMEI SCI TECH QINGHAI
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