Equipment and method for semi-continuously preparing high-purity magnesium with different purity degrees

A high-purity, semi-continuous technology, applied in the direction of improving process efficiency, can solve the problems of complex preparation process of high-purity magnesium, inability to realize continuous production, unsatisfactory magnesium purity, etc., and achieve simple structure, convenient operation, and avoid complex structure Effect

Active Publication Date: 2021-01-08
KUNMING UNIV OF SCI & TECH
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Problems solved by technology

[0005] The purpose of the present invention is to provide a semi-continuous preparation of high-purity magnesium equipment and methods, to solve the complex preparation process of high-purity magnesium in the prior art, can not achieve continuous production, high cost, and the purity of the prepared magnesium Technical problems that still cannot meet the requirements of the high-tech technical field

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  • Equipment and method for semi-continuously preparing high-purity magnesium with different purity degrees

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[0055] The pressure values ​​in the four reaction chambers are controlled at 600Pa, and the temperature values ​​in the No. 1 reaction chamber 11, No. 2 reaction chamber 12, No. 3 reaction chamber 13 and No. 4 reaction chamber 14 are controlled at 660°C, 680°C, and 750°C respectively and 770°C;

[0056] Step 2: After the solid magnesium is melted in the melting pot 5, it is transported to the intermediate pot 6, and then the liquid magnesium in the intermediate pot 6 is siphoned into the No. 1 reaction chamber 11 through the feeding pipeline 7;

[0057] Step 3: Liquid magnesium flows from No. 1 reaction chamber 11 into No. 2 reaction chamber 12, No. 3 reaction chamber 13 and No. 4 reaction chamber 14, liquid magnesium and low-boiling impurities in No. 1 reaction chamber 11 and No. 2 reaction chamber 12 Volatilize to the condenser 19 above, the liquid magnesium in the No. 3 storehouse volatilizes to the condenser 19 above, and the liquid magnesium in the No. 4 reaction chamber ...

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Abstract

The invention belongs to the field of preparation of high-purity metal materials, and provides equipment and method for semi-continuously preparing high-purity magnesium with different purity degrees.The equipment comprises a reaction box, a temperature control system and a pressure control system. The pressure control system is connected into the reaction box to control the pressure in the reaction box, one sides of reaction bins are connected with a feeding system, the reaction box comprises the at least three communicating reaction bins which are arranged side by side, heating bodies are arranged on the top faces and the bottom faces of the reaction bins, a condenser is arranged above each reaction bin, a heat insulating plate is arranged between every two adjacent material bins, and achannel is formed in the lower half portion of each heat insulating plate; and the temperature control system is connected to each reaction bin to control the temperature in each reaction bin. The technical problems that in the prior art, the preparation process of the high-purity magnesium is complex, continuous production cannot be achieved, the needed cost is high, and the purity of the prepared magnesium still cannot meet the requirements of high-tech technical fields are solved.

Description

technical field [0001] The invention belongs to the field of high-purity metal material preparation, and in particular relates to a semi-continuous preparation of high-purity magnesium with different purity equipment and method. Background technique [0002] Magnesium is the lightest metal structural material with a density of 1.74g / cm 3 , only equivalent to 2 / 3 of aluminum and 1 / 4 of steel. Magnesium and its alloys also have the advantages of high specific strength and specific stiffness, good thermal conductivity, good damping and shock absorption, strong electromagnetic shielding ability, easy processing and molding, easy recycling, and good biocompatibility, so they are known as "21 Century Green Engineering Materials" and "Revolutionary Medical Metal Materials". Magnesium and its alloys can be widely used in the fields of automobile, aerospace, rail transit, electronic communication, national defense technology and clinical medicine. High-purity magnesium is also an ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B9/02C22B26/22
CPCC22B9/02C22B26/22Y02P10/20
Inventor 田阳梁栋杨斌徐宝强刘大春王飞李一夫蒋文龙邓勇吴鉴王立鹏王芸芸
Owner KUNMING UNIV OF SCI & TECH
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