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

A technology for 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, cannot use cement active admixtures, etc., and achieves the effect of improving the yield

Inactive Publication Date: 2006-04-12
WUHAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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 utilizing titanium-containing slag, the composition of the titanium-containing slag used is: 24.62wt% CaO, 24.62wt% SiO 2 27.97wt%, Al 2 o 3 13.40wt%, MgO 7.68wt%, Fe 2 o 3 3.19wt%, TiO 2 It is 20.59wt%, and MnO<1wt%. It is mixed with 0-40% metal aluminum, 0-50% carbon, 0-40% iron, and 0-20% magnesium. After mixing evenly, it is melted in a plasma furnace and undergoes thermal reduction reaction to obtain titanium and titanium alloy.

[0012] The prepared reduction product of the present embodiment-metal titanium such as figure 1 As shown, the prepared reduction product-Al-Si-Ti alloy is as follows figure 2 shown. The obtained product was analyzed by energy spectrometer for microstructure and microregion composition, and the analysis results were 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

1. Technical field [0001] The invention belongs to a method for preparing titanium metal, in particular to a method for preparing titanium metal by utilizing titanium-containing slag (including titanium-containing blast furnace slag, etc.). 2. Background technology [0002] Since the 1960s, domestic and foreign scientific and technological workers have done a lot of research work on the comprehensive utilization of titanium-containing slag (including titanium-containing blast furnace slag, etc.). Extract metal titanium, titanium alloys and titanium-containing compounds, followed by using titanium-containing slag as building materials. [0003] Titanium-containing slag is different according to its type, among which TiO 2 The content is also different, and its fluctuation range can reach 10-90%. The titanium-containing minerals are mainly perovskite, rutile and panti-diopside, etc. When the titanium content of the slag is less than 30%, the titanium-containing minerals cryst...

Claims

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Application Information

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