Ilmenite properties and its beneficiation process
Author : RuiGuang Time : 2013-11-05 Click :
Titanium is an important and has a wide range of applications important structural metals, titanium alloy due to high strength, good corrosion resistance, high heat resistance characteristics are widely used in various fields. Many countries recognize the importance of titanium alloy materials, so far developed a high-temperature corrosion resistance of titanium and titanium alloy structural strength titanium alloy in the production of aircraft engine compressor components, rockets, missiles and high-speed aircraft structural parts other important areas will be a vast role. The biggest drawback is the difficulty of titanium refining. Therefore, we must consider ore crushing stage for the subsequent extraction process as fully prepared.
Ilmenite is an iron and titanium oxide minerals, is the principal ore of titanium extraction. Ilmenite heavy, gray to black, with a little metallic luster. Crystal is generally plate shape, a block shape crystals or granular together. Component FeTiO3. Containing TiO252.66%, the extraction of titanium and titanium dioxide is the main mineral. China Panzhihua iron ore, ilmenite and magnetite particles distributed in between or parting, and the formation of large deposits. The chemical composition and the formation of ilmenite conditions. Produced in ultramafic rocks, mafic rocks ilmenite, MgO content is higher, substantially free of Nb, Ta; alkaline rocks ilmenite, MnO content is high, and contain Nb, Ta; produced in Acid rock ilmenite, FeO, MnO content were high, Nb, Ta content is also relatively high.
Ilmenite beneficiation equipment: ramps concentrate grading box (by size grading), wear spiral chute (abandoned tailings), weak magnetic separator (except magnetic minerals), strong magnetic separator (ilmenite), flotation machine (floating sulfide, floating fine ilmenite), electric separator (Featured ilmenite) and so on.
Its beneficiation process are: "the re-election - strong magnetic separation - flotation" and "re-election - Strong magnetic - electric selection (sorting prior to sulfur removal)" two, beneficiation process to be selected strictly in accordance with fractionated , take a different process.