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Preparation method of sponge titanium test ingot

A sponge titanium and vacuuming technology is applied in the field of preparation of sponge titanium test ingots, which can solve the problems of unsuitable time duration, high energy consumption, low efficiency of sponge titanium test ingots, etc., and achieves high production efficiency, low energy consumption, time consumption short effect

Inactive Publication Date: 2013-01-30
YUNNAN TITANIUM IND
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Problems solved by technology

[0009] The purpose of the present invention is to solve the problems of low efficiency, high energy consumption, and long time in the production process of sponge titanium test ingots that cannot meet the needs of large-scale production

Method used

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  • Preparation method of sponge titanium test ingot

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Embodiment Construction

[0021] See figure 1 , a method for preparing a titanium sponge test ingot, the present invention will take the collected titanium sponge sample: sample loading→vacuumizing→smelting→turning over→smelting→cooling, sampling process line method processing, wherein:

[0022] 1) Loading: The collected sponge titanium samples are 0.4kg~0.6kg, stacked in a conical shape in the copper crucible of the button furnace; 1~6 samples can be placed at a time according to actual needs;

[0023] 2) Vacuuming: close the smelting chamber, and evacuate the pre-vacuum degree in the furnace to less than 1.0×10 -1 Torr=13.3Pa or less;

[0024] 3) Smelting: Input argon gas, start arcing and start smelting, and the current intensity during smelting is 100-400A;

[0025] 4) Turn over: After one-side smelting is completed, exhaust gas is removed, and the sample is turned over;

[0026] 5), melting; repeat the step 3;

[0027] 6) Cooling and sampling: After the smelting is over, wait for about 15 minu...

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Abstract

The invention relates to a preparation method of a sponge titanium test ingot. According to the invention, a collected sponge titanium test sample is treated in the technological route of: sample loading, vacuum pumping, smelting, turnover, smelting, cooling, and sampling. The method provided in the invention has the beneficial effects of high production efficiency, low energy consumption and short time, thus being able to adapt to the needs of large-scale production.

Description

technical field [0001] The invention belongs to the technical field of preparation methods of titanium sponge test ingots. Background technique [0002] The preparation of the existing titanium sponge test ingot is realized by the method of smelting in a vacuum consumable furnace after pressing the consumable electrode. This method mainly has the following disadvantages: [0003] 1. The number of samples is required to be large, about 0.9kg; [0004] 2. Low smelting efficiency, only 1 test ingot can be smelted each time; [0005] 3. The self-consumable electrode needs to be pressed separately before melting in a vacuum consumable furnace; [0006] 4. The consumable electrode must be placed in a drying oven to dry for 20 minutes to 40 minutes, and the drying temperature needs to be 90 ° C to 105 ° C; [0007] 5. The vacuum degree is required to be high, and the pre-vacuum degree in the furnace shall not be lower than 0.133Pa (belonging to high vacuum); [0008] 6. High m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B34/12G01N1/28
Inventor 苏鹤洲蒋泰旭曹占元黄晓慧马彦妮
Owner YUNNAN TITANIUM IND
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