Method of preparing titanium and titanium alloy using titanium containing furnace clinker

A technology of titanium slag and titanium alloy, which is applied in the field of preparing titanium metal by using titanium-containing slag, can solve the problems of reducing the hydration strength of cement and the inability to use cement active admixtures, and achieve the effect of increasing the yield

Inactive Publication Date: 2008-12-17
WUHAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

But the reduction residue contains TiO 2 7.09%, still high, can not be used in cement active admixtures, because when TiO in slag 2 When the content is greater than 4%, the hydration strength of cement will be significantly reduced

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  • Method of preparing titanium and titanium alloy using titanium containing furnace clinker
  • Method of preparing titanium and titanium alloy using titanium containing furnace clinker

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Embodiment Construction

[0011] A method for preparing titanium and titanium alloys by using titanium-containing slag, the composition of the titanium-containing slag used is: CaO is 24.62wt%, SiO 2 27.97wt%, Al 2 O 3 13.40wt%, MgO is 7.68wt%, Fe 2 O 3 3.19wt%, TiO 2 It is 20.59wt% and MnO<1wt%. With 0-40% metal aluminum, 0-50% carbon, 0-40% iron and 0-20% magnesium as reducing agent, the amount of reducing agent added is not zero at the same time, and the mixture is evenly mixed in the plasma furnace It melts and undergoes thermal reduction reaction to obtain titanium and titanium alloy.

[0012] The reduction product prepared in this example-titanium metal such as figure 1 As shown, the prepared reduction product-aluminum silicon titanium alloy is as figure 2 Shown. An energy spectrometer was used to analyze the microstructure and components of the obtained product. The analysis results are as follows figure 1 , figure 2 Shown.

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Abstract

A process for preparing Ti metal from the Ti contained slags includes such steps as proportionally mixing said slags with C, Al, Fe and Mg, stirring, and smelting for thermal reducing in plasma furnace, DC arc furnace or AC arc furnace. Its advantage is high output rate.

Description

Technical field [0001] The invention belongs to a method for preparing titanium metal, and particularly relates to a method for preparing titanium metal by using titanium-containing slag (including titanium-containing blast furnace slag, etc.). Background technique [0002] Since the 1960s, scientific and technological workers at home and abroad have done a lot of research work on the comprehensive utilization of titanium-containing slag (including titanium-containing blast furnace slag). Extract metal titanium, titanium alloys and titanium-containing compounds, followed by the use of titanium-containing slag as building materials. [0003] Titanium-containing slag varies according to its type, and the TiO 2 The content is also different, and its fluctuation range can reach 10 to 90%. The titanium-containing minerals are mainly perovskite, rutile, and pan-titanium diopside. When the slag contains less than 30% titanium, the titanium-containing mineral crystals The small particles...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22B34/12C22B5/04C22B5/10
Inventor 柯昌明李楠
Owner WUHAN UNIV OF SCI & TECH
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