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Method for producing nickel boride with high purity

A production method and technology of nickel boride, applied in the direction of boron/boride, metal boride, etc., can solve the problems of volatile oxidation, increase of production cost, small safety factor, etc., achieve non-volatile oxidation, production cost environmental protection, production low cost effect

Inactive Publication Date: 2009-08-05
鲍迎全
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the self-propagating combustion method is used in foreign countries to produce high-purity nickel boride. This method has large pollution and low safety factor. It requires advanced chemical production technology and advanced production equipment to ensure environmental protection requirements, which will undoubtedly greatly improve Production cost, moreover, the product that obtains by this method has the unstable product quality, the shortcoming of easy volatilization oxidation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0007] The method for producing high-purity nickel boride in this embodiment is to mix 25-35 parts by weight of elemental boron, 45-55 parts by weight of metallic nickel, and 5-60 parts by weight of carbon-containing additives, and then pass through a vacuum resistance furnace at 2000° C.-2400 It is obtained by electro-melting and smelting at the temperature of ℃ for 4 to 5 hours. The carbon-containing additive is charcoal, graphite, petroleum coke or any combination thereof.

Embodiment approach 2

[0009] The method for producing high-purity nickel boride in this embodiment is to mix 25-35 parts by weight of elemental boron, 45-55 parts by weight of metallic nickel, and 5-30 parts by weight of charcoal and / or graphite, and then pass through a vacuum resistance furnace at 2000° C. It is prepared by electro-melting and smelting at a temperature of -2400 ° C for 4 to 5 hours.

Embodiment approach 3

[0011] The production method of high-purity nickel boride in this embodiment is to mix 25-35 parts by weight of elemental boron, 45-55 parts by weight of metallic nickel and 10-60 parts by weight of petroleum coke, and then pass through a vacuum resistance furnace at 2000-2400° C. It is obtained by electro-melting and smelting for 4 to 5 hours at the same temperature.

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PUM

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Abstract

The invention provides a method for producing high-purity nickel boride, and relates to a method for producing nickel boride, in particular to a method for producing the high-purity nickel boride. The method is to mix 25 to 35 weight portions of simple substance boride, 45 to 55 weight portions of metallic nickel and 5 to 60 weight portions of carbon-containing additive, and carry out electrofusion and smelting on the mixture for 4 to 5 hours at a temperature of between 2,000 and 2,400 DEG C through a vacuum electrical resistance furnace to obtain the high-purity nickel boride. The method has the advantages of low cost and environmental protection. The high-purity nickel boride prepared by the method is stable in quality and not easy to volatilize and oxidize.

Description

technical field [0001] The invention relates to a method for producing nickel boride, in particular to a method for producing high-purity nickel boride. Background technique [0002] High purity nickel boride NiB 6 It is a new high-tech material, which can be used as an anti-neutron radiation filler for nuclear reactors, an additive for deoxygenation and sulfur extraction in superconducting copper smelting, a super light refractory material, and boron steel for advanced military and national defense industries. In the past, this material and its production technology were only mastered by a few foreign developed countries (Germany, the United States, and Japan). At present, the chemical method used in foreign countries is the spontaneous combustion method to produce high-purity nickel boride. This method has large pollution and low safety factor, and requires advanced chemical production technology and advanced production equipment to ensure environmental protection require...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B35/04
Inventor 鲍迎全
Owner 鲍迎全
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