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Method for preparing low-silicon high-titanium ferroalloy employing lower ignition method

An ignition method and high-titanium technology, which is applied in the field of production of low-silicon and high-titanium iron, can solve the problem of high impurities, and achieve the effect of solving high impurities, less impurities and simple process

Inactive Publication Date: 2006-09-27
东汇大健康产业股份有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to propose a new process for producing low-silicon high-titanium ferro-titanium in view of the problem of high impurities in the prior art of producing high-titanium ferro-titanium by the method outside the furnace

Method used

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  • Method for preparing low-silicon high-titanium ferroalloy employing lower ignition method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Ingredients: mix and stir rutile, aluminum powder, lime, soda ash, fluorite, potassium chlorate, and iron ore powder in a ratio of 1.0:0.5:0.16:0.035:0.035:0.18:0.08 to obtain a mixture, which is ready for use. The refining agent is (based on 100 kilograms of rutile as the calculation standard) 6 kilograms of iron ore powder, 2 kilograms of magnesium powder, and 1 kilogram of fluorite, mixed and stirred evenly, and set aside. The ignition agent is to mix and stir 0.5 kg of iron ore powder, 0.5 kg of magnesium powder, and 0.5 kg of saltpeter evenly, and set aside.

[0026] Operation: Use magnesia as material to make a pot-bottom-shaped sand nest, then install the shaft furnace on the sand nest to form a smelting furnace, put a small amount of mixture in the bottom of the furnace, and then put in igniting agent, ignite with an electric arc, and let the furnace mix Material reaction, when the slag pool is formed in the furnace, continue to add the mixture to the smelting f...

Embodiment 2

[0028] Ingredients: mix and stir rutile, aluminum powder, lime, soda ash, fluorite, potassium chlorate, and iron ore powder in a ratio of 1.0:0.5:0.16:0.065:0.025:0.18:0.08 to obtain a mixture, which is ready for use. The refining agent is (calculated based on 100 kg of rutile) 6 kg of iron ore powder, 3 kg of magnesium powder, and 1 kg of fluorite, mixed and stirred evenly, and set aside. The ignition agent is to mix and stir 0.5 kg of iron ore powder, 0.5 kg of magnesium powder, and 0.5 kg of saltpeter evenly, and set aside.

[0029] Operation: Use magnesia as material to make a pot-bottom-shaped sand nest, then install the shaft furnace on the sand nest to form a smelting furnace, put a small amount of mixture in the bottom of the furnace, and then put in igniting agent, ignite with an electric arc, and let the furnace mix Material reaction, when the slag pool is formed in the furnace, continue to add the mixture to the smelting furnace, and keep a layer of mixture on the s...

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Abstract

The invention discloses a low-Si high-Ti iron which is produced through lower ignition method, and the raw materials include red schorl, aluminum dust, lime, sodium carbonate, fluorite, potassium chlorate and powdered iron ore, the depurating agents include powdered iron ore, magnesite powder and fluorite, and the ignition agents includes magnesite powder and sphene.

Description

technical field [0001] The invention relates to a production method of a metal alloy, in particular to a production method of low-silicon and high-titanium iron. Background technique [0002] Ferro-titanium is divided into three grades according to the titanium content, and the titanium content is 25% to 35%, 35% to 45%, and 65% to 75%. High ferro-titanium has the characteristics of corrosion resistance, high temperature resistance, wear resistance, and light specific gravity. It is an important raw material for smelting special steel, structural steel and special alloys. It is an irreplaceable important raw material in the aerospace, aviation, and weapon industries, and is widely used in Civilian industries such as petroleum, chemical industry, machinery, ships, marine, electric power, and medical devices have shown their important status in social development. [0003] The production of ferro-titanium products at home and abroad mainly adopts out-of-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/02C21C7/00
Inventor 李惠智冯烈臣鞠清福张锋社程殿祥李京思许新建
Owner 东汇大健康产业股份有限公司
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