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Preparation method for synthesizing vanadium-nitrogen alloy from vanadium slag

A vanadium-nitrogen alloy and vanadium-slag technology is applied in the field of vanadium-slag synthesis of vanadium-nitrogen alloys, and can solve the problems of difficulty in the synthesis of vanadium-nitrogen alloys, low processing efficiency, inconvenience in the stability and durability of vanadium-nitrogen alloys, and the like. Achieve the effect of improving preparation efficiency, improving durability and improving efficiency

Inactive Publication Date: 2021-11-16
陕西中钒昌盛新材料科技有限公司
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  • Description
  • Claims
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Problems solved by technology

[0003] In the existing collection of vanadium slag, the vanadium slag needs to be reused and made into vanadium-nitrogen alloy, but the preparation of vanadium-nitrogen alloy synthesized from vanadium slag is not convenient for the stability and durability of the vanadium-nitrogen alloy. For upgrading, the synthesis process of the existing vanadium slag to synthesize vanadium-nitrogen alloy is relatively difficult, and the processing efficiency is low

Method used

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  • Preparation method for synthesizing vanadium-nitrogen alloy from vanadium slag
  • Preparation method for synthesizing vanadium-nitrogen alloy from vanadium slag
  • Preparation method for synthesizing vanadium-nitrogen alloy from vanadium slag

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preparation example Construction

[0020] The invention provides a technical solution: a method for preparing a vanadium-nitrogen alloy synthesized from vanadium slag, comprising the following steps:

[0021] S1. According to the design standard, weigh the vanadium slag, iron nitride and magnesium nitride, wash the vanadium slag with clean water, and dry it with a dryer after washing. The dried vanadium slag and nitriding Iron and magnesium nitride are mixed, and after mixing, crushing is carried out, and after crushing, a 30-50 mesh screen is used for screening, and the vanadium slag that has not been successfully screened is continued to be crushed, and after crushing, continue to be screened to obtain No. 1 mixed material;

[0022] S2. Weigh the reducing agent, loosening agent, and aluminum powder, mix and stir the reducing agent and the mixture obtained in S1, the stirring time is 20-50min, the stirring speed is 100-250r / min, after the mixing is completed, Then add loosening agent and aluminum powder, conti...

Embodiment 1

[0036] Embodiment 1, each raw material is calculated by mass parts: 50 parts of vanadium slag, 30 parts of iron nitride, 15 parts of magnesium nitride, 5 parts of potassium iodide, 2.5 parts of ammonium chloride, 5 parts of aluminum powder, 10 parts of manganese ore, white 5 parts of corundum micropowder abrasive, 10 parts of nickel base powder, 10 parts of sodium silicate aqueous solution, 5 parts of silicon dioxide, 10 parts of alumina, 6 parts of acrylamide.

[0037]

[0038] A preparation method for synthesizing a vanadium-nitrogen alloy from vanadium slag, comprising the following steps:

[0039] S1. According to the design standard, weigh the vanadium slag, iron nitride and magnesium nitride, wash the vanadium slag with clean water, and dry it with a dryer after washing. The dried vanadium slag and nitriding Iron and magnesium nitride are mixed, and after mixing, crushing is carried out. After crushing, a 30-mesh sieve is used for screening. The vanadium slag that has...

Embodiment 2

[0044] Embodiment 2, each raw material counts by mass parts: 140 parts of vanadium slag, 45 parts of iron nitride, 40 parts of magnesium nitride, 9 parts of potassium iodide, 5 parts of ammonium chloride, 15 parts of aluminum powder, 20 parts of manganese ore, white 15 parts of corundum micropowder abrasive, 20 parts of nickel base powder, 20 parts of sodium silicate aqueous solution, 10 parts of silicon dioxide, 20 parts of aluminum oxide, and 15 parts of acrylamide.

[0045]

[0046]

[0047] A preparation method for synthesizing a vanadium-nitrogen alloy from vanadium slag, comprising the following steps:

[0048] S1. According to the design standard, weigh the vanadium slag, iron nitride and magnesium nitride, wash the vanadium slag with clean water, and dry it with a dryer after washing. The dried vanadium slag and nitriding Iron and magnesium nitride are mixed, and after mixing, crushing is carried out, and after crushing, a 50-mesh sieve is used for screening, and...

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Abstract

The invention discloses a preparation method for synthesizing a vanadium-nitrogen alloy from vanadium slag. The preparation method comprises the following steps that S1, according to the design standard, the vanadium slag, iron nitride and magnesium nitride are weighed, the vanadium slag is washed with clear water and then dried through a dryer, the dried vanadium slag is mixed with the iron nitride and the magnesium nitride, then the mixture is smashed, the smashed mixture is screened through a 30-50-mesh screening net, the vanadium slag which is not screened successfully continues to be smashed, the smashed mixture continues to be screened, and a first mixed material is obtained; and S2, a reducing agent, a loosening agent and aluminum powder are weighed. The preparation method has the beneficial effects that by adding the iron nitride and the magnesium nitride, the preparation efficiency of the vanadium-nitrogen alloy is improved; by adding the reducing agent, the reducing effect of potassium iodide and sodium sulfide on the vanadium slag is achieved, and the production efficiency is improved; and by adding a white corundum micro-powder abrasive and a wear-resisting agent, the stability of the vanadium-nitrogen alloy is further enhanced.

Description

technical field [0001] The invention relates to the technical field of vanadium-nitrogen alloys, in particular to a preparation method for synthesizing vanadium-nitrogen alloys from vanadium slag. Background technique [0002] Vanadium slag refers to vanadium oxide-containing slag obtained by oxidative blowing of vanadium-containing molten iron or vanadium-containing iron concentrate by wet extraction of vanadium. Alloys are two or more chemical Substances (at least one part of which is metal) are mixed to form a substance with metallic properties. The microstructure of the solid solution alloy has a single phase, and the part of the solution alloy has two or more phases, and its distribution may be homogeneous. , or may not be homogeneous, depending on the temperature change of the material cooling process, intermetallic compounds generally have an alloy or pure metal wrapped in another pure metal, and alloys are widely used; [0003] In the existing collection of vanadium...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C29/16C22C1/05B22F9/16
CPCC22C29/16C22C1/056B22F9/16
Inventor 林学娟
Owner 陕西中钒昌盛新材料科技有限公司
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