Device and method for improving production efficiency of titanium sponge and reducing energy consumption

A technology of production efficiency and sponge titanium, which is applied in the field of rare metal metallurgy to achieve the effect of increasing the distillation speed, shortening the distillation cycle, and reducing the cost of electricity consumption.

Inactive Publication Date: 2016-07-20
王进民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] The first object of the present invention is to solve the problem of heat removal or absorption accumulated in the central area of ​​liquid metal magnesium, and improve the reduction reaction efficiency

Method used

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  • Device and method for improving production efficiency of titanium sponge and reducing energy consumption
  • Device and method for improving production efficiency of titanium sponge and reducing energy consumption
  • Device and method for improving production efficiency of titanium sponge and reducing energy consumption

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] as above about figure 1 and figure 2 Introduction, in this embodiment, preferably the bottom end of the fusible columnar body 7 is stable on the sieve plate plane, and is supported by the sieve plate; 7-n are vertically stacked and combined, and the constituent material of each fusible short columnar body 7-n is metal magnesium material.

[0063] In this embodiment, the fusible columnar body 7 is a hollow cylinder, and the hollow cylinder passes through its inner hole 8 and fits on the central positioning column 9 fixedly placed on the axis of the reactor 5; the diameter of the central positioning column 9 is 100mm, and the center The height of the positioning column 9 is slightly below the upper cover of the reactor, and the material of the central positioning column is 904L; the inner diameter of the hollow cylinder 7 (meltable column 7) is 120mm, and the hollow cylinder 7 (meltable column 7 ) is 300mm in outer diameter, the height of the fusible short hollow cylin...

Embodiment 2

[0075] Such as figure 1 As shown, the difference between this embodiment and embodiment 1 is that the substance constituting the meltable columnar body 7 is magnesium chloride. During the reduction process, through the melting and endothermic effect of the magnesium chloride soluble columnar body 7, the heat accumulated in the central area of ​​the liquid metal magnesium is eliminated, and the formation of a large amount of low-valent titanium and free titanium powder caused by the high-temperature vaporization of the metal magnesium is avoided. It also avoids the sintering phenomenon of titanium crystal caused by the high temperature in the central region of liquid metal magnesium, and also improves the efficiency of magnesia thermal reduction. Refer to Example 1 for other parts of this example.

Embodiment 3

[0077] Such as image 3 As shown, the difference between this embodiment and Embodiment 1 is that the fusible columnar body 7 consists of two kinds of metal magnesium fusible short hollow cylinders 7-1 and magnesium chloride fusible short hollow cylinders 7-1 with different constituent materials. 2 staggered superimposed composition, wherein: the height of metal magnesium fusible short hollow cylinder 7-1 is 800 mm, and the height of magnesium chloride short fusible hollow cylinder 7-2 is 200 mm. Refer to Example 1 for other parts of this example.

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Abstract

The invention discloses a device and method for improving the production efficiency of titanium sponge and reducing energy consumption. A device containing a fusibility column is arranged in the axis part of an existing reduction distillation furnace reactor and comprises two parts including the fusibility column and a reactor upper cover leading-out sleeve. The fusibility column (a metal magnesium ingot) located in the center part of liquid magnesium metal absorbs reaction heat and is gradually fused in the magnesium heat reduction process, and meanwhile a hole is formed in the axis of a titanium sponge mixing body. The device and method solve the problem that a large amount of heat gathered in the center area of the magnesium heat reduction reactor is dissipated, and meanwhile the heat released through the magnesium heat reduction reaction is utilized for fusing the reduction agent magnesium metal ingot. The hole can be formed in the axis position of the titanium sponge mixing body, the diffusion path of magnesium metal left in the mixing body and magnesium metal is shortened, the distillation speed is increased, and the distillation period is shortened. By means of the device and method, preconditions are provided for the large scale of titanium sponge reduction distillation furnaces.

Description

technical field [0001] The invention relates to the technical field of rare metal metallurgy, in particular to the alloy technology for producing titanium, zirconium, hafnium, vanadium, chromium and other metals and their metals by magnesia thermal reduction. Background technique [0002] The present invention is applicable to the production of all metal halides by the metallothermic reduction method, such as the production of sponge titanium by the thermal reduction method of titanium and magnesium tetrachloride, and the production of sponge zirconium by the thermal reduction method of zirconium magnesium tetrachloride. For the convenience of illustration and understanding, the present invention takes the production of sponge titanium as a special case for specific analysis and illustration. [0003] The magnesia thermal reduction method is currently the main method for the production of sponge titanium, and its production process mainly includes the magnesia thermal reduct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B34/12C22B5/04
CPCC22B34/1218C22B5/04
Inventor 王进民其他发明人请求不公开姓名
Owner 王进民
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