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Refractory compound powder material preparation device and preparation method

A powder material and preparation device technology, applied in the field of powder metallurgy, can solve the problems of many intermediate links, difficult to remove, and affect the purity of refractory compound materials, and achieve the effects of small environmental impact, solving synthesis problems, and high efficiency

Inactive Publication Date: 2017-01-04
南京科姆特新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the raw materials contain a variety of substances, there are many intermediate links in the preparation process, external pollution or impurities come in, and it is difficult to remove, these greatly affect the purity of refractory compound materials

Method used

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  • Refractory compound powder material preparation device and preparation method
  • Refractory compound powder material preparation device and preparation method
  • Refractory compound powder material preparation device and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1 Preparation device and preparation method of refractory compound powder material of the present invention

[0025] figure 1 It is a schematic flow chart of the method according to the present invention, relates to a refractory compound powder material preparation device, including the following settings:

[0026] Set 010, smelting setting, heat the source metal to melt it;

[0027] Set 020, atomization setting, atomize the molten metal to make it into droplets;

[0028] Set 030, the reaction furnace, to allow the metal droplets to react with the reaction gas, so that the metal droplets are converted into refractory compound powder;

[0029] Set 040, extend the reaction time, particle homogenizer, execute the reaction, post-synthesis processing;

[0030] Set 050, cooling settings, to perform particle cooling treatment;

[0031] Setting 060, Particle Collection and Classification Setup, performs particle collection and classification of refractory compoun...

Embodiment 2

[0042] Embodiment 2 Refractory compound powder material preparation device of the present invention

[0043] figure 2 It is a schematic diagram of the device structure of Example 1 provided by the present invention, which relates to a high-purity, refractory compound powder material preparation device, including the following:

[0044] Set 111, the source metal crucible (container), cylindrical or conical, made of high temperature resistant materials (such as: stainless steel, graphite, zirconia, boron nitride, aluminum nitride);

[0045] Setting 112, a crucible heater, is located on the periphery of the source metal crucible. Heating methods are: resistance heating, electromagnetic induction heating. Resistive heating has low cost but slow heating speed; while electromagnetic induction heating has fast heating speed but high cost;

[0046] Setting 113, metal liquid guide pipe, made of high temperature resistant materials (such as: stainless steel, graphite, zirconia, boro...

Embodiment 3

[0055] Embodiment 3 Refractory compound powder material preparation device of the present invention

[0056] image 3 It is a schematic diagram of the device structure of Example 2 provided by the present invention, which relates to a high-purity, refractory compound powder material preparation device, including the following:

[0057] Set 211, the source metal crucible (container), cylindrical or conical, made of high temperature resistant materials (such as: stainless steel, graphite, zirconia, boron nitride, aluminum nitride);

[0058] Setting 212, a crucible heater, is located on the periphery of the source metal crucible. Heating methods are: resistance heating, electromagnetic induction heating. Resistive heating has low cost but slow heating speed; while electromagnetic induction heating has fast heating speed but high cost;

[0059] Setting 113, metal liquid guide pipe, made of high temperature resistant materials (such as: stainless steel, graphite, zirconia, boron...

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Abstract

The invention relates to a refractory compound powder material preparation device which comprises a source metal melting unit, an atomization-reaction furnace, a cooling unit and a refractory compound powder collection and classification unit. A source metal passes through the melting unit to form a liquid stream, the liquid flow enters the atomization unit, and the molten metal is atomized to form tiny liquid drops to react with reactant gas, so that the metal liquid drops are converted into refractory compound powder; and meanwhile, the metal liquid drops continuously react under the action of a grain homogenizer to form multielement refractory compound crystal grains. The crystal grains are cooled and subjected to grain collection and classification to obtain the refractory compound powder material. The device integrates the functions of melting, atomization, reaction, synthesis, cooling, collection and classification, and can be used for preparing the refractory compound powder material with high purity and uniform grains. The device has the advantages of high efficiency and small influence on the environment, and is suitable for popularization and application in the field of powder metallurgy.

Description

technical field [0001] The invention relates to the field of powder metallurgy, in particular to a device for preparing refractory compound powder materials. Background technique [0002] Refractory compounds, including refractory metals, alloys and their refractory compounds and composite materials, have always been developed as high-tech materials due to their unique high melting point and other unique properties, especially in national defense and military industries. Aerospace, electronic information, energy, chemical defense, metallurgy and nuclear industry and other fields play an irreplaceable role, and are highly valued by countries all over the world, and have become one of the most active research fields in the material science community. [0003] In nature, refractory refractory compound materials rarely exist, especially high-purity refractory compound materials. At present, most refractory compound materials are obtained by using additives and catalysts when pr...

Claims

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Application Information

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IPC IPC(8): B01J10/00C01B13/34C01B21/06C01B31/30C01B6/00C01B9/02C01B9/08C01B35/04C01B17/20
Inventor 郭平刘博邱宏杰袁征宇
Owner 南京科姆特新材料有限公司
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