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Method for preparing metal vanadium by smelting Panxi ore raw material

A raw material and metal technology, which is applied in the field of producing vanadium by smelting Panxi vanadium raw materials, can solve the problems of low impurity content and difficulties, and achieve the effects of low impurity content, improved recovery rate and high grade

Active Publication Date: 2012-07-04
攀枝花市银江金勇工贸有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the above-mentioned problems of difficulty in smelting metal vanadium from vanadium-titanium-magnetite with high impurities in the existing raw materials, a method for producing metal vanadium by smelting Panxi vanadium raw materials is now provided. The raw material source of this method is determined, and the production process is safe and reliable , high vanadium grade, low impurity content, forming metal vanadium products with stable quality, reducing production costs, and effectively reducing the damage that may be brought in by impurities to steel types

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A method for producing metal vanadium by smelting vanadium raw materials in Panxi, according to the following process steps, adding auxiliary materials in the following weight proportions to 100 kg of vanadium-rich raw materials in Panxi area:

[0033] Metal aluminum 40kg, auxiliary reducing agent 1.0kg, calcareous metallurgical auxiliary material 1kg, inert matter 22kg, calcium-sodium treatment agent 0.5kg;

[0034] The main component of the vanadium-rich raw material is vanadium pentoxide, and the mass percentage of vanadium pentoxide is 99%.

[0035] The auxiliary reducing agent is silicon-calcium alloy, and the silicon-calcium alloy is in powder form, wherein the total amount of silicon and calcium accounts for 50% of the silicon-calcium alloy, and the ratio of silicon and calcium is 1:1.

[0036] Calcareous metallurgical auxiliary materials are calcium oxide and calcium fluoride, the amount of calcium fluoride added is 10% of the amount of calcium metallurgical aux...

Embodiment 2

[0043] A method for producing metal vanadium by smelting vanadium raw materials in Panxi, according to the following process steps, adding auxiliary materials in the following weight proportions to 100 kg of vanadium-rich raw materials in Panxi area:

[0044] Metal aluminum 50kg, auxiliary reducing agent 0.5kg, calcareous metallurgical auxiliary materials 1.5kg, inerts 18kg, calcium-sodium treatment agent 2.0kg;

[0045] The main component of the vanadium-rich raw material is vanadium pentoxide, and the mass percentage of vanadium pentoxide is 99.5%.

[0046]The auxiliary reducing agent is silicon-calcium alloy, and the silicon-calcium alloy is granular, wherein the total amount of silicon and calcium accounts for 60% of the silicon-calcium alloy, and the ratio of silicon and calcium is 2:1.

[0047] Calcareous metallurgical auxiliary materials are calcium oxide and calcium fluoride, the amount of calcium fluoride added is 8% of the amount of calcium metallurgical auxiliary ma...

Embodiment 3

[0054] A method for producing metal vanadium by smelting vanadium raw materials in Panxi, according to the following process steps, adding auxiliary materials in the following weight proportions to 100 kg of vanadium-rich raw materials in Panxi area:

[0055] 45kg of metal aluminum, 0.7kg of auxiliary reducing agent, 1.3kg of calcareous metallurgical auxiliary materials, 20kg of inert substances, and 1.5kg of calcium-sodium treatment agent;

[0056] The main component of the vanadium-rich raw material is vanadium pentoxide, and the mass percentage of vanadium pentoxide is 99%.

[0057] The auxiliary reducing agent is silicon-calcium alloy, and the silicon-calcium alloy is in powder form, wherein the total amount of silicon and calcium accounts for 70% of the silicon-calcium alloy, and the ratio of silicon and calcium is 1:2.

[0058] Calcareous metallurgical auxiliary materials are calcium oxide and calcium fluoride, the amount of calcium fluoride added is 7% of the amount of ...

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PUM

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Abstract

The invention relates to a method for preparing metal vanadium by smelting, in particular relates to a method for preparing metal vanadium by smelting a Panxi ore raw material. The method comprises the following steps: feeding aluminium metallicum, an auxiliary reducing agent, a calcium metallurgy auxiliary material, an inert material and a calcium-sodium processing agent in a mixing device for fully stirring until the materials are evenly mixed; after even mixing, putting the mixture in a reaction device which is preheated to 200 DEG C-300 DEG C, and igniting; after the reaction is finished,adding 30-50kg of retarder and cooling for 48-72 hours; and finally, separating vanadium from smelting slag. The method has the advantages that the sources of raw materials are defined, the produced vanadium is high in grade, the content of the produced vanadium can reach 92%-95%, and the contents of impurities are low, thus effectively reducing the harm generated by impurities which are brought possibly on steel balls and having a promotion sense on steel production alloying. By directly producing vanadium, the production processes that aluminium-vanadium alloy is generated by aluminothermicreduction, and then aluminium is removed in vacuum are changed, thereby avoiding the use of vacuum equipment to remove the aluminium, reducing production requirement and saving cost.

Description

technical field [0001] The invention relates to a method for smelting and preparing vanadium metal. Specifically, the invention relates to a method for preparing vanadium metal by smelting Panxi vanadium raw materials. Background technique [0002] Vanadium is a silver-gray metal with a silver-gray metallic luster and dendritic and sponge-like crystals. The product must not have inclusions visible to the naked eye. Vanadium has a melting point of 1890°C and has good corrosion resistance, ductility and forgeability. And it has excellent corrosion resistance, and its corrosion resistance to sulfuric acid is better than that of stainless steel and titanium. The performance is good and easy to process deformation. Vanadium can be used for melting and casting into ingots to make pure vanadium profiles. It can be used to synthesize vanadium-containing alloys with other elements, and can be used as additive elements for titanium-based alloys and high-strength heat-resistant spec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22B34/22C22B5/04
Inventor 何金勇宋国菊文光兴何源蒲芝明
Owner 攀枝花市银江金勇工贸有限责任公司