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Magnesium metal reduction apparatus

A metal magnesium and magnesium reduction tank technology, applied in the field of thermal magnesium reduction devices, can solve the problems of difficulty in pollutant discharge, short service life of magnesium reduction tanks, insufficient material reduction, etc., so as to save daily maintenance work and maintenance. People and costs, easy to implement effects

Inactive Publication Date: 2009-04-22
SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a metal magnesium reduction device in order to solve the above-mentioned technical problems. Emissions are difficult to meet standards, operation labor intensity is high, operating costs are high, waste heat cannot be used, etc.

Method used

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Embodiment 1

[0032] Such as figure 1 , figure 2 As shown, a metal magnesium reduction device of the present invention is implemented in the following way: on the outer surface of the tank body 3 of the magnesium reduction tank, an insulating protective layer 2 with high temperature resistance and good thermal conductivity is laid, and the outer peripheral surface of the insulating protective layer 2 is installed Magnesium reduction electric heater 1 is arranged to supply the heat required for metal magnesium reduction in the tank. The magnesium reduction electric heater 1 is provided with a rigid composite shell 4 outside, and its function is to insulate, keep warm and protect the magnesium reduction electric heater from being damaged by external force. The steam-like magnesium metal after reduction is condensed and crystallized on the crystallizer 5 to form a primary product of magnesium metal. The canning of the reduced material 9 and the slag discharge operation are carried out after...

Embodiment 2

[0034] Such as image 3 with Figure 4 As shown, the charging port and the slag outlet are opened on the same side of the tank body 3 of the magnesium reduction tank. The rear part of the tank body 3 of the magnesium reduction tank is a "U"-shaped structure. Connected, the overturning shaft 11 is connected with the overturning mechanism that drives it to rotate, and the overturning shaft 11 is driven by the overturning mechanism to rotate the metal magnesium reduction device to a suitable operating angle. Other structures are the same as in Embodiment 1.

[0035] The present invention is an independent single metal magnesium reduction device that can be moved in multiple ways, and one or more single metal magnesium reduction devices can be combined in various ways according to the process requirements of the vacuum unit.

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Abstract

The invention discloses a hot-process magnesium reduction device in the field of smelting magnesium, in particular a metallic magnesium reduction device adopting electricity as a heat source. The device is a monosomic magnesium reduction device consisting of a magnesium reduction pot, a crystallizer (5) and a forepart cooler (7), wherein the outer surface of a pot body (3) of the magnesium reduction pot is laid with an insulating protective layer (2), and then a magnesium reduction electric heater (1) is arranged on the insulating protective layer (2). The device has the advantages of accurate control on reduction temperature, flexible production operation, reduction of operation labor intensity, high efficiency and energy conservation.

Description

technical field [0001] The invention relates to a thermal magnesium reduction device in the field of magnesium smelting, in particular to a metal magnesium reduction device using electricity as a heat source to replace metal magnesium reduction equipment using various fuels as a heat source. Background technique [0002] Metal magnesium reduction is the core process of the thermal magnesium smelting process. Its function is to add the processed magnesium ore raw material and a specific reducing agent into the magnesium reduction tank in proportion, and heat the magnesium reduction tank from the outside under vacuum conditions. The material in the tank reacts with the reducing agent at high temperature, and a reduction reaction occurs, and the metal magnesium overflows to the cooling section of the magnesium reduction tank in a vapor state, and condenses into a ring-shaped metal magnesium crystal on the crystallizer to complete the reduction process. [0003] The existing met...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B26/22C22B5/16
Inventor 于国友王忠心曹广和刘雅锋张晓新
Owner SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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