Method to separate vanadium, titanium and iron from vanadium titano-magnetite

A technology of vanadium-titanium magnetite and vanadium-titanium, which is applied in the field of iron, vanadium and titanium separation, can solve the problems of low recovery rate, difficult separation of iron and vanadium-titanium, etc., and achieve the effect of reducing difficulty

Active Publication Date: 2020-07-28
张岩
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Problems solved by technology

[0006] As can be seen from the above, the existing method for separating vanadium, titanium, and iron from vanadium-titanium magnetite has a low recovery rate of vanadium, titanium, and iron separated from vanadium-titanium magnetite, and in the separation process, iron and Vanadium and titanium are not easy to separate

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[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0024] The terms "first", "second", and "third" in this application are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include at least one of these features. In the description of the present application, "plurality" means at least t...

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Abstract

The invention provides a method to separate vanadium, titanium and iron from vanadium titano-magnetite. The method includes the steps that the vanadium titano-magnetite is crushed to produce ore withparticle size less than 15 mm, the ore is classified with an iron ore particle size classifier to obtain ore with particle size 0-1 mm and ore with particle size 1-15 mm; the ore with particle size 0-1 mm is pelletized to produce pellets, and the ore with particle size 1-15 mm, the pellets and 1-15 mm residual carbon are mixed to produce mixed materials; the mixed materials are placed into a rotary kiln, high volatile coal is added to the rotary kiln to reduce the mixed materials as a reducing agent and obtain reducing materials; a dry film drying separator is used for separating the reducingmaterials to obtain vanadium titanium-rich tailings and iron powder; the iron powder is melted at high temperature to obtain vanadium titanium-rich slag and semi-steel in a melting electric furnace; and the vanadium titanium-rich tailings, vanadium titanium-rich slag and semi-steel are treated to obtain vanadium and titanium products separately. The method to separate the vanadium, titanium and iron from the vanadium titano-magnetite greatly improves the recovery rate of the vanadium, titanium and iron, and reduces the difficulty of separating the iron and the vanadium titanium in the separation process.

Description

technical field [0001] The invention relates to the technical field of metallurgy and mineral engineering, in particular to a method for separating vanadium, titanium and iron from vanadium-titanium magnetite. Background technique [0002] Vanadium-titanium magnetite is a composite mineral containing vanadium, titanium, iron and other valuable elements such as scandium, chromium, cobalt, copper, nickel and other symbiotic elements. Among them, vanadium has excellent physical and chemical properties, so it is Known as "the monosodium glutamate of modern industry", it is widely used in aerospace, machinery manufacturing, chemical batteries and bridges and other fields. Due to its stable chemical properties, high temperature resistance, corrosion resistance and high strength, titanium is called "space metal" and is widely used in aerospace, medicine, military and other fields. Therefore, efficient utilization of vanadium-titanium magnetite resources and comprehensive recovery ...

Claims

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Application Information

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IPC IPC(8): C21B13/08C22B1/24C22B7/04C22B34/12C22B34/22
CPCC21B13/0073C21B13/08C21B13/006C22B1/2406C22B7/04C22B34/22C22B34/12Y02P10/20
Inventor 张岩
Owner 张岩
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