Crushed iron ore (block degree 40mm), hanging on the iron ore roasting flat car, are spread out, the degree is not more than 200mm. then the iron ore along with the flat car to send people to the combustion chamber, at a temperature of 900 ~ 1100 ℃ for roasting roasting time of not less than 3h, in order to dry out the water, so that the iron's low-value oxides into high-value oxides, improve its heat, reduce the amount of iron ore in the furnace charge, reduce the Slag-iron ratio. The roasted iron ore is lifted to the ball mill by overhead crane and ground into powder.
Ferrosilicon
With 75% ferrosilicon, Si and Ti form a compound that prevents aluminium from entering the alloy and improves aluminium utilisation. Ferrosilicon is crushed and processed into powder in ball mill, its chemical composition is Si72%~80%, Mn<0.5%, Cr<0.5%, P<0.04%, S<0.02%. Thickness does not exceed 100mm, particle size less than 20mmx20mm is greater than 80%, processed for batching particle size <1mm.
Aluminium granules
Aluminium particles for the production of ferro-titanium, the use of high aluminium content, beneficial to production. Generally use A3 grade, its aluminium content >98%, Fe <1.1%, Si <0.02%, Cu <0.05%, particle size 0 ~ 0.10mm <10%, 0.1 ~ 2.0mm >80%, 2.0 ~ 5.0mm <10%.
Lime
Lime is used as a flux in the furnace charge to improve the fluidity of the slag and to prevent the combination of TiO and Al0, which is conducive to improving the recovery of titanium. Smelting with freshly burnt lime, effective Ca0>85%, C<1.0%, Si0<2%, processed particle size less than 2mm.
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We have 30 years of experience in the field of metallurgy.
