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Industrial production method for directly producing iron and vanadium-titanium-aluminum alloy from vanadium-titanium magnet placer

A vanadium-titanium magnet and production method technology, applied to the improvement of process efficiency, furnace type, furnace, etc., can solve the problems of high production cost and difficult operation, and achieve high production efficiency, no environmental pollution, social benefits and economic benefits significant effect

Inactive Publication Date: 2011-06-15
北京金坤宏宇矿业科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the disadvantage of this method is that the production cost is high and the operation is difficult.

Method used

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  • Industrial production method for directly producing iron and vanadium-titanium-aluminum alloy from vanadium-titanium magnet placer
  • Industrial production method for directly producing iron and vanadium-titanium-aluminum alloy from vanadium-titanium magnet placer
  • Industrial production method for directly producing iron and vanadium-titanium-aluminum alloy from vanadium-titanium magnet placer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] The vanadium-titanium magnetite placer (80% of the placer particle size is less than 0.2mm) is collected from the Ulan area of ​​Indonesia abroad. The main components are FeO content of 27.73%, Fe 2 o 3 The content is 47.73%, TiO 2 The content is 14.01%, V 2 o 5 The content is 0.66%, SiO 2 The content of MgO is 2.5%, the content of MgO is 2.1%, the content of CaO is 3.2% and the rest of impurities (impurities refer to trace amounts of S, P).

[0061] The industrial production preparation steps of producing lump iron and vanadium-titanium-aluminum alloy from the vanadium-titanium magnetite sand ore collected from the Ulan area of ​​Indonesia are as follows:

[0062] Step 1: Use the ball pressing mechanism to pellet

[0063] Stir the vanadium-titanium magnetite ore, coal powder, calcium fluoride, and sodium lignosulfonate evenly, and then use a briquetting machine to make pellets with a diameter of 20mm;

[0064] The pressure required for the briquetting mechanism t...

Embodiment 2

[0082] The vanadium-titanium magnetite placer (87% of the placer's particle size is less than 0.4mm) was collected in Wuding, Yunnan, and the main components FeO content is 29.13%, Fe 2 o 3 The content is 50.43%, TiO 2 The content is 7.72%, V 2 o 5 The content is 0.59%, SiO 2 The content of MgO is 3.1%, the content of MgO is 3.0%, the content of CaO is 3.0% and the rest of impurities (impurities refer to trace amounts of S and P).

[0083] The industrial production steps for producing lump iron and vanadium-titanium-aluminum alloy from the vanadium-titanium magnetite sand ore collected in Wuding area of ​​Yunnan Province are as follows:

[0084] Step 1: Use the ball pressing mechanism to pellet

[0085] Mix vanadium-titanium magnetite ore, coal powder, calcium fluoride, and sodium lignosulfonate evenly, and then use a briquette machine to produce pellets with a diameter of 60 mm;

[0086] The pressure required for the briquetting mechanism to pelletize is 30MPa.

[0087...

Embodiment 3

[0103] The vanadium-titanium magnetite sand ore (particle size less than 0.4mm) collected from the Caga area of ​​Luzon, Philippines, mainly consists of 24.38% FeO, 24.38% Fe 2 o 3 Content is 55.19%, TiO 2 The content is 13.42%, V 2 o 5 The content is 0.59%, SiO 2 The content of MgO is 1.7%, the content of MgO is 1.0%, the content of CaO is 1.0% and the rest of impurities (impurities refer to trace amounts of S and P).

[0104] The industrialized production steps for producing lump iron and vanadium-titanium-aluminum alloy from the vanadium-titanium magnetite sand ore collected in Lusong Kaga, Philippines are as follows:

[0105] Step 1: Use the ball pressing mechanism to pellet

[0106] Stir the vanadium-titanium magnetite ore, coal powder, calcium fluoride, and sodium lignosulfonate evenly, and then use a briquette machine to produce pellets with a diameter of 50 mm;

[0107] The pressure required for the briquetting mechanism to pelletize is 25MPa.

[0108] Dosage: A...

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Abstract

The invention discloses a commercial manufacturing method for directly producing iron and titanium aluminum alloy from vanadium-titanium magnetite placer deposits, and comprises the following procedures of: first, carrying out pellet preparation to the vanadium-titanium magnetite placer deposits extracted from nature; then, drying the pellets, reducing and fractional melting, and screening and extracting the block iron; last, adopting an aluminothermic reducing method to vanadium-titanium bearing slag so as to obtain vanadium-titanium aluminum alloy. The content of block iron obtained in the method is about 93 percent; the recycling rates of iron, vanadium and titanium are 90 percent, 85 percent and 85 percent respectively. The commercial manufacturing method has the advantages of high iron, vanadium and titanium integrated recycling and utilization rate, high production rate and no pollution to environment, thus being easy for industrialization promotion and having obvious social andeconomical efficiency.

Description

technical field [0001] The invention relates to mineral separation and alloy smelting methods, more particularly, refers to an industrialized production method that firstly separates lump iron from vanadium-titanium magnetite sand ore, and then smelts vanadium-titanium-aluminum alloy by adding aluminum. Background technique [0002] Titanium is an important structural metal. Because of its high strength, low density, good corrosion resistance and high heat resistance, titanium alloy is a good structural and functional material, and is widely used in aerospace, medical equipment, chemical industry Equipment, military industry and sports equipment and other fields. Many countries in the world have recognized the importance of titanium alloy materials, researched and developed them one after another, and obtained practical applications. Since Kroll successfully developed the smelting metal Ti in the 1950s, the industrial production method of titanium widely used in the world i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/00C22B7/04C22B1/14C21B13/08C21B11/00C22B5/04
CPCY02P10/20
Inventor 卢惠民
Owner 北京金坤宏宇矿业科技有限公司
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