Method for preparing ferrovanadium alloy from titanium tetrachloride refined tailings
A technology of titanium tetrachloride and vanadium iron alloy, applied in the field of metallurgy
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Embodiment 1
[0059] Crushing and grinding titanium tetrachloride refined tailings with V, Ti, Fe, Cl, C, and Si mass fractions of 16.8%, 28.1%, 1.1%, 13.1%, 6.8% and 0.7% respectively to a particle size of ≤100 mesh, Then oxidize and roast at 400°C for 60 minutes to obtain roasted clinker. During the roasting process, the kiln head is continuously fed with air to ensure that the kiln is under negative pressure. The mass fractions of V, Ti, Fe, Cl, C, and Si in the roasted clinker They were 35.1%, 21.0%, 1.4%, 0.05%, 0.1% and 0.9%, respectively.
[0060] Mix roasted clinker, vanadium pentoxide, iron particles, aluminum powder, lime, and potassium perchlorate in a weight ratio of 50:50:9.5:34:9:5, mix them evenly, spread them in the smelting furnace, and use metal Titanium powder is used as the ignition agent to initiate the reaction for self-propagating smelting. After all the materials are melted and a good molten pool is formed, an asbestos insulation cover is quickly added to the upper s...
Embodiment 2
[0063] Crushing and grinding titanium tetrachloride refined tailings with V, Ti, Fe, Cl, C, and Si mass fractions of 16.8%, 28.1%, 1.1%, 13.1%, 6.8% and 0.7% respectively to a particle size of ≤100 mesh, Then oxidize and roast at 400°C for 60 minutes to obtain roasted clinker. During the roasting process, the kiln head is continuously fed with air to ensure negative pressure in the kiln. The mass fractions of V, Ti, Fe, Cl, C, and Si in the roasted clinker They were 35.1%, 21.0%, 1.4%, 0.08%, 0.10% and 0.9%, respectively.
[0064] Mix roasted clinker, vanadium pentoxide, iron particles, aluminum powder, and lime according to the weight ratio of 50:50:9.5:34:9, mix them evenly, lay them in the smelting furnace, and use graphite electrodes to feed electricity and smelting The contact-induced reaction of the mixture is carried out for electroluminothermic reaction. After all the materials are melted and a good molten pool is formed, the electricity is continuously applied until t...
Embodiment 3
[0067] Crushing and grinding titanium tetrachloride refined tailings with V, Ti, Fe, Cl, C, and Si mass fractions of 25.7%, 16.3%, 0.9%, 15.2%, 5.6% and 0.4% respectively to a particle size of ≤100 mesh, Then oxidize and roast at 500°C for 60 minutes to obtain roasted clinker. During the roasting process, the kiln head is continuously fed with air to ensure negative pressure in the kiln. The mass fractions of V, Ti, Fe, Cl, C, and Si in the roasted clinker They were 32.1%, 20.4%, 1.1%, 0.05%, 0.05% and 0.5%, respectively.
[0068] Mix the roasted clinker, vanadium pentoxide, iron particles, aluminum powder, and lime according to the weight ratio of 50:50:10.5:41:10, mix them evenly and place them in the smelting furnace, and use graphite electrodes to feed electricity and connect with the smelting furnace. The contact-induced reaction of the mixture is carried out for electroluminothermic reaction. After all the materials are melted and a good molten pool is formed, the electr...
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