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Vanadium niobium nitrogen melt and its production process

A technology of melt, vanadium and niobium, applied in the field of new multifunctional hybrid materials, can solve the problems of insufficient vanadium strengthening effect, unstable vanadium recovery rate, large addition amount, etc., to improve metallurgical reaction speed and metallurgical efficiency , The effect of reducing production costs

Inactive Publication Date: 2005-03-23
吴光亮
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the current problem is: the recovery rate of vanadium is unstable and not high
Vanadium slag does not contain nitrogen, and the strengthening effect of vanadium is not fully exerted, so the addition of nitrogen-free vanadium slag is larger than that of nitrogen-containing vanadium slag to achieve the same strength of steel, and the cost is relatively high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Embodiment 1 (according to total weight):

[0013] Grind 10% activated carbon, 3.5% titanium dioxide, 7% titanium nitride, 4% fluorite, 8% limestone, and niobium concentrate into 150-mesh fine powder in a container , fully stir and mix evenly, add 10% water glass to the container, mix evenly, mechanically shape, dry and pack for use.

Embodiment 2

[0014] Embodiment 2 (according to gross weight):

[0015] Grind 14% of ferrosilicon, 1.5% of aluminum, 14% of niobium nitride, 5.5% of fluorite, 12% of lime, and vanadium concentrate into 110-mesh fine powder in a container After stirring and mixing evenly, add 7% bitumen to the container, mix evenly, mechanically shape, dry and pack for use.

Embodiment 3

[0016] Embodiment 3 (according to total weight):

[0017] Grind 6% calcium silicon, 4% niobium nitride, 20% vanadium nitride, 2% bauxite, 3% dolomite and steelmaking vanadium slag into 190-mesh fine powder respectively Fully stir and mix in a container, then add 5% resin to the container, mix evenly, mechanically form, dry and pack for use.

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PUM

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Abstract

This invention discloses a melting body of VNbNi and its productive method. Separately grinding vanadium, niobium concentrate or steel-making vanadium, niobium residues and active carbon or ferrosilicon or calcium silicon, titanium pigment powders or aluminium or oxidated niobium, nitride titanium or nitride niobium, fluorite or aluminium bauxite, lime or dolomite into thin powders, proportional mixing adding bitumen or resin or water glass, shaping with machinery, drying, packing and then devoting to use. Directly putting the melting body into ladle when in the tapping process. VNbNi melting body will dusting and melting with effect of molten steel temperature and impact stirring of molten steel stream, at the same time under the effect of titanium pigment powders or aluminium or aluminum and lime or limestone, vanadium or niobium in the VNbNi melting body will rapidly come into molten steel to microalloying towards molten steel, the synthetic residues of outcome and collocated residues in alloy possesses the function of deep deoxidation, desulfurization and absorbing inclusion in molten steel, and can spread on converter and electric furnace.

Description

technical field [0001] The invention relates to a novel multifunctional hybrid material used in the steelmaking production process for microalloying molten steel and a production method thereof, belonging to C22C1 / 00 or C22C38 / 12. Background technique [0002] Adding trace alloying elements to the chemical composition of the steel matrix can significantly change one or several properties of the steel. This alloying is called microalloying. Generally speaking, microalloying refers to the addition of trace alloying elements, such as carbide forming elements vanadium, titanium, niobium, aluminum, etc., to the matrix chemical composition of mild steel or low alloy steel, so that the strength and toughness of the steel are significantly improved. The reason why vanadium, titanium, and niobium can strengthen the microalloyed steel is that they can refine the grains, and the added nitrogen can form carbonitrides in the steel to double the strengthening effect. At present, ferroall...

Claims

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Application Information

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IPC IPC(8): C22C33/04C22C35/00C22C38/12
Inventor 吴光亮王哲
Owner 吴光亮
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