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A kind of equipment and method for semi-continuously preparing high-purity magnesium with different purity

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, and unsatisfactory magnesium purity, and achieve selective volatilization of impurities, simple structure, and easy operation convenient effect

Active Publication Date: 2021-09-07
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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  • A kind of equipment and method for semi-continuously preparing high-purity magnesium with different purity

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specific Embodiment

[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 is applicable to the field of high-purity metal material preparation, and provides a semi-continuous preparation of high-purity magnesium with different purity equipment and method, including a reaction box, a temperature control system and a pressure control system, and the pressure control system is connected to the reaction box to control The pressure in the reaction chamber, one side of the reaction chamber is connected with a feed system, the reaction chamber includes at least three connected reaction chambers arranged side by side, the top and bottom surfaces of the reaction chamber are provided with heating elements, and A condenser is arranged above each reaction bin, and a heat shield is arranged between adjacent feed bins, and a channel is provided in the lower part of the heat shield; the temperature control system is connected to each reaction bin, Control the temperature inside each reaction chamber. The invention solves the technical problems in the prior art that the preparation process of high-purity magnesium is complicated, continuous production cannot be realized, the required cost is high, and the purity of the prepared magnesium still cannot meet the requirements of the high-tech technical field.

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 Patents(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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