Preparation method for vanadium-aluminum alloy and reactor

A vanadium-aluminum alloy and reactor technology, which is applied in the field of alloy materials, can solve the problems of oxide film, poor alloy separation effect, low vanadium yield, etc., and achieves the effect of reducing oxidation degree and vanadium loss.

Inactive Publication Date: 2020-02-21
HEBEI IRON AND STEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The preparation method of vanadium-aluminum alloy provided by the present invention can solve the problems of low vanadium yield, poor alloy separation effect and generation of oxide film in the existing vanadium-aluminum alloy production technology

Method used

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  • Preparation method for vanadium-aluminum alloy and reactor
  • Preparation method for vanadium-aluminum alloy and reactor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0076] The structural representation of the reactor used in this embodiment when the furnace cover 8 is not covered is as follows: figure 1 shown. The reactor comprises: a U-shaped container 2 (iron outside, refractory brick inside), a reaction vessel 1 (made of graphite and cylindrical in shape) placed in the U-shaped container 2, located in the reaction vessel 1 the heating device 3 (electromagnetic induction coil) on the outer wall, and the filler placed between the U-shaped container 2 and the reaction vessel 1, the filler is composed of a first filler 4 (magnesia) and a second filler 5 (Asbestos) composition, the first filler 4 pads on the bottom of the U-shaped container 2, the reaction vessel 1 is placed in the first filler 4, and the second filler 5 is positioned at the side wall of the U-shaped container 2 and the reaction vessel 1 between the side walls.

[0077] The structural representation of the reactor used in this embodiment after covering the furnace cover 8...

Embodiment 2

[0089] The reactor used in this embodiment is the same as the reactor in Example 1 except that two vent pipes 7 are provided on the furnace cover 8 to realize the circulation of the inert gas argon in the U-shaped container.

[0090] The preparation method that present embodiment provides uses the reactor of present embodiment, and the concrete steps of this method are:

[0091] (1) After mixing vanadium trioxide and metal aluminum for 2 hours, add calcium oxide and continue mixing for 2 hours to obtain a mixed material;

[0092] Among them, the purity of vanadium trioxide is 99.5%, and the particle size is 0.106-0.15mm; the purity of metal aluminum is 99.5%, and the particle size is 7-12mm; the purity of calcium oxide is 99.5%;

[0093] In parts by weight, the parts by weight of each component in the step (1) are:

[0094] Vanadium trioxide 1 part

[0095] Metal aluminum 0.96 parts

[0096] 0.18 parts of calcium oxide;

[0097](2) The mixed material described in step (1) ...

Embodiment 3

[0101] This embodiment uses the reactor identical with embodiment 1 to prepare vanadium aluminum alloy, and its specific method is:

[0102] (1) After mixing vanadium trioxide and metal aluminum for 1 hour, add calcium oxide and continue mixing for 1 hour to obtain a mixed material;

[0103] Among them, the purity of vanadium trioxide is 98.5%, and the particle size is 0.106-0.15mm; the purity of metal aluminum is 99.8%, and the particle size is 7-12mm; the purity of calcium oxide is 98.5%;

[0104] In parts by weight, the parts by weight of each component in the step (1) are:

[0105] Vanadium trioxide 1 part

[0106] Metal aluminum 0.92 parts

[0107] 0.15 parts of calcium oxide;

[0108] (2) The mixed material described in step (1) is placed in the graphite material reaction vessel 1 of the reactor for magnetic induction heating, the electromagnetic induction coil power of the magnetic induction heating is 200kW, and the heating rate of heating is 100° C. / min. Start the...

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Abstract

The invention provides a preparation method for a vanadium-aluminum alloy and a reactor. The preparation method provided by the invention comprises the following steps: 1) mixing a vanadium source, analuminum source and a slag former to obtain a material mixture; 2) heating the material mixture to obtain a reaction product; and 3) under a vacuum-pumping condition or protective gas introducing condition, cooling the reaction product to obtain the vanadium-aluminum alloy. The reactor comprises a U-shaped container, a reaction container arranged in the U-shaped container, a heating device positioned on the outer wall of the reaction container, and a filler arranged between the U-shaped container and the reaction container. The preparation method provided by the invention solves the problemsthat a vanadium yield is low, the alloy separating effect is poor and an oxidization film appears in the prior art, overcomes splash due to fierce reaction, volatilization, due to a high temperature,of vanadium pentoxide, poor alloy separating effect, and vanadium loss due to the fact that the vanadium-aluminum alloy enters a slag phase.

Description

technical field [0001] The invention belongs to the technical field of alloy materials, and relates to a preparation method of vanadium aluminum alloy and a reactor. Background technique [0002] Titanium is an important structural metal developed in the 1950s. Titanium alloys are widely used in various fields because of their high strength, good corrosion resistance, and high heat resistance. The most important titanium alloy is the Ti-6Al-4V alloy developed in the United States. Because of its heat resistance, strength, toughness, plasticity, formability, weldability, corrosion resistance and biocompatibility, it has become a The ace alloy in the titanium alloy industry, the use of this alloy has accounted for more than 50% of the titanium alloy in Jinbu, and many other titanium alloys can be regarded as the modification of Ti-6Al-4V alloy. Titanium alloys can be used to produce jet engine components, skeletons, skins, fasteners and landing gear, etc.; high-speed aircraft...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/03C22C27/02
CPCC22C1/03C22C27/02
Inventor 张苏新李兰杰赵宝军李九江李东明陈茅于继洋
Owner HEBEI IRON AND STEEL
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