A two-stage method for producing titanium slag

Inventors

Общество с ограниченной ответственностью "Инженерный центр Гипромез" (ООО "ИЦ Гипромез")

1. A two-stage method for producing titanium slag, including preparing charge materials, mixing them, producing ilmenite-coal briquettes, heat treating them in a ring furnace at a temperature of 1500-1700°C, unloading and cooling with separation of metal and slag, characterized in that at the first stage the heat treatment of the briquettes is carried out for 20-40 minutes, and after the heat treatment the metallized briquettes are cooled with water at a rate of 10-30°C/s, at the second stage the briquettes are crushed and separated by pneumatic separation by size into two products: -0.056 mm - titanium slag and +0.056 mm - slag-metal product, which is sieved by size into fractions of -3.0+0.056 mm - return and +3.0 mm - metal.
2. The method according to paragraph 1, characterized in that at the mixing stage, a return of the -3.0+0.056 mm fraction is additionally introduced into the batch in an amount of 10-30% of the batch weight.
3. The method according to paragraph 1, characterized in that at the mixing stage, fluorite is additionally introduced into the batch in an amount of 2-4% of the batch weight.
4. The method according to paragraph 1, characterized in that at the mixing stage, sodium chloride is additionally introduced into the batch in an amount of 6-12% of the batch weight.