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Method for efficiently recycling vanadium, iron and titanium in vanadium-titanium metallized pellet through electric arc furnace

A technology of metallized pellets and electric arc furnace, applied in the field of vanadium in titanium, iron, and vanadium-titanium metallized pellets, which can solve the problems of high process cost and environmental pollution, and achieve the effect of improving production efficiency and efficient recovery

Active Publication Date: 2015-11-25
WISDRI ENG & RES INC LTD
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Problems solved by technology

[0004] In view of the above problems, the purpose of the present invention is to provide a method for efficiently reclaiming vanadium, iron, and titanium in vanadium-titanium metallized pellets using an electric arc furnace, so as to solve the problems of high process cost and environmental pollution of the traditional blast furnace molten iron-converter vanadium extraction process. question

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  • Method for efficiently recycling vanadium, iron and titanium in vanadium-titanium metallized pellet through electric arc furnace
  • Method for efficiently recycling vanadium, iron and titanium in vanadium-titanium metallized pellet through electric arc furnace

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Embodiment Construction

[0016] In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that these embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.

[0017] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0018] Aiming at the problems of high cost, environmental pollution, and low recovery rate of vanadium, iron and titanium in the traditional blast furnace molten iron-converter vanadium extraction process, the present invention uses vanadium and titanium metallized pellets as recycling raw materials, and efficiently recovers vanadium and titanium ore in stages through electric arc furnace smelting Vanadium, iron, titanium re...

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Abstract

The invention provides a method for efficiently recycling vanadium, iron and titanium in a vanadium-titanium metallized pellet through an electric arc furnace. The method comprises the steps that the vanadium-titanium metallized pellet in the electric arc furnace is heated and melted, part of low-vanadium molten iron and slag in the vanadium-titanium metallized pellet are separated, and iron recycling is carried out on the separated low-vanadium molten iron; selective reduction is carried out on the slag, iron and vanadium in the slag are reduced into the residual low-vanadium molten iron in the electric arc furnace, high-vanadium molten iron is formed, and vanadium recycling is carried out on the high-vanadium molten iron; and the residual titanium in the slag is recycled. By means of the method, expenditure cost can be reduced, CO2 emission can be reduced in the recycling process, and by means of stepped recycling, the vanadium, iron and titanium resources can be separated to the maximum degree, and the most efficient recycling of vanadium, iron and titanium is achieved.

Description

technical field [0001] The invention relates to the technical field of smelting, and more specifically relates to a method for efficiently recovering vanadium, iron and titanium in vanadium-titanium metallized pellets by using an electric arc furnace. Background technique [0002] The traditional blast furnace molten iron-converter vanadium extraction process is long, consumes a lot of expensive coke resources and emits a lot of CO 2 , and the titanium resources in the vanadium-titanium ore cannot be effectively recovered. As the non-blast furnace ironmaking process matures, the number of high-quality and cheap vanadium-titanium metallized pellets will increase. Using vanadium-titanium metallized pellets as raw materials can get rid of the dependence on coke resources, thereby reducing overhead costs. Also reduces CO 2 emissions to reduce environmental pollution. In addition, the effective heat for melting the cold material in the traditional converter is limited, which m...

Claims

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Application Information

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IPC IPC(8): C22B34/12C22B34/22C21B13/12
Inventor 陈洪智
Owner WISDRI ENG & RES INC LTD
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