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Semi-continuous production metal vacuum smelting reduction device

A vacuum smelting and semi-continuous technology, applied in the field of vacuum smelting reduction tanks for smelting metal magnesium or calcium, can solve the problems of low production efficiency and poor continuity, and achieve the effects of improving production efficiency, saving energy and ensuring continuity

Inactive Publication Date: 2011-06-15
辛卫亚
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a metal vacuum smelting reduction device capable of semi-continuous production to solve the problems of poor continuity and low production efficiency in traditional metal vacuum smelting

Method used

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  • Semi-continuous production metal vacuum smelting reduction device
  • Semi-continuous production metal vacuum smelting reduction device
  • Semi-continuous production metal vacuum smelting reduction device

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Embodiment Construction

[0033] In order to better understand the structure and features of the present invention, the present invention will be described in detail below in combination with preferred embodiments and accompanying drawings. In order to make the structure of the present invention clearer, the actual scale relationship of the drawings may be changed during the drawing process, which should not be construed as a limitation to the patent application.

[0034] As shown in Figure 1, it is a structural schematic diagram of a metal vacuum smelting reduction device capable of semi-continuous production in the present invention, including a reduction furnace 1, a reduction tank 4, a liquid crystallizer 8 and a liquid tundish 20, wherein:

[0035] The reduction furnace 1 adopts regenerative combustion technology, and is equipped with a furnace body 3 and a burner 2, both of which are prior art and will not be described in detail.

[0036] The reduction tank 4 is vertically arranged in the furnace...

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Abstract

The invention relates to a semi-continuous production metal vacuum smelting reduction device which comprises a reduction tank that is communicated with a liquid state crystallizer arranged outside the reduction tank by a diversion device; the liquid state crystallizer comprises a crystallizer shell which is provided with a containing space, and is provided with a crystallizer heating control device used for controlling the temperature of the containing space and a crystallizer vacuum extractor used for controlling the vacuum degree of the containing space; and the crystallizer shell is also provided with an intermediate pipeline used for communicating a liquid state intermediate packet. The device can be used for realizing semi-continuous production of metal vacuum smelting, thus improving the production efficiency and reducing the production cost.

Description

technical field [0001] The invention relates to a metal vacuum smelting reduction tank, in particular to a vacuum smelting reduction tank for smelting metal magnesium or calcium. Background technique [0002] Some alkali metals and alkaline earth metals with high vapor pressure, such as chromium, chromium, magnesium, calcium, etc., can be prepared by metallothermic reduction of silicon, aluminum or their alloys under vacuum conditions. Among the metallothermal reduction preparation methods of magnesium, the silicothermal or aluminothermic metalthermal reduction principles are most widely used, but the reducing agent is mostly used in the form of ferrosilicon alloy, and the raw material to be reduced is mostly calcined dolomite. A wrought product of a mixture of magnesite and limestone can also be used. The use of ferrosilicon reducing agent, known as silicothermal magnesium smelting, is the most widely used. [0003] According to the different heating methods, the current ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22B5/16C22B26/20
Inventor 辛卫亚
Owner 辛卫亚
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