Method for preparing chlorinated titanium-enriched materials by fine-particle Panxi titanium concentrates
A technology for fine-grained, titanium-rich materials, applied in the field of metallurgy, can solve the problems of increasing the amount of mother liquor and slag in the acid leaching process, the low grade of titanium-rich materials and iron powder, and difficulty in reduction.
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Embodiment 1
[0034] Such as figure 1 As shown, a method for preparing a chlorinable titanium-rich material from a fine-grained Panxi titanium concentrate comprises the following steps:
[0035] (1) Pre-oxidation of fine-grained Panxi titanium concentrate: the fine-grained Panxi titanium concentrate with a TiO2 content of 42% and a -200 mesh of 85% is used as a raw material, put into an atmosphere tube furnace, and heated in an air atmosphere. , oxidizing and roasting at 750°C for 30 minutes to obtain fine-grained titanium oxide concentrate;
[0036] (2) Configuration of carbon-containing pellets: the fine-grained titanium oxide concentrate obtained in step (1) is used as a raw material, and 2wt% Fe-Si powder and bituminous coal with a fixed carbon content of 50.14wt% are added as a reducing agent for batching Mixing, wherein the amount of carbon is formulated according to the C / O molar ratio of 1.3, and 100g of fine-grained Panxi titanium concentrate, 2g of Fe-Si powder and 19.1g of petrol...
Embodiment 2
[0045] A method for preparing chlorinable titanium-rich material from fine-grained Panxi titanium ore, comprising the steps of:
[0046] (1) Pre-oxidation of fine-grained Panxi titanium concentrate: TiO 2 The content is 50%, and the fine-grained Panxi titanium concentrate with a -200 mesh of 75% is used as a raw material, put into an atmosphere tube furnace, and oxidized and roasted at 950 ° C for 75 minutes in an air atmosphere to obtain a fine-grained titanium oxide concentrate mine;
[0047] (2) Configuration of carbon-containing pellets: the fine-grained titanium oxide concentrate obtained in step (1) is used as a raw material, and 0.5wt% Fe-Si powder and bituminous coal with a fixed carbon content of 54.14wt% are added as a reducing agent. The ingredients are mixed, and the amount of carbon is mixed according to the C / O molar ratio of 1.3. Weigh 100g of fine-grained Panxi titanium concentrate, 0.5g of Al powder and 20.4g of petroleum coke for mixing, and the mixing ingre...
Embodiment 3
[0056] A method for preparing chlorinable titanium-rich material from fine-grained Panxi titanium ore, comprising the steps of:
[0057] (1) Pre-oxidation of fine-grained Panxi titanium concentrate: TiO 2 The fine-grained Panxi titanium concentrate with a content of 45% and 80% of -200 mesh is used as a raw material, put into an atmosphere tube furnace, and oxidized and roasted at 850 ° C for 120 minutes in an air atmosphere to obtain a fine-grained titanium oxide concentrate mine;
[0058] (2) Configuration of carbon-containing pellets: the fine-grained titanium oxide concentrate obtained in step (1) is used as a raw material, and 1.25wt% Fe-Si powder and bituminous coal with a fixed carbon content of 55.23wt% are added as a reducing agent. The ingredients are mixed, wherein the amount of carbon is mixed according to the C / O molar ratio of 1.1, and 100g of fine-grained Panxi titanium concentrate, 1.25g of Al powder and 14.7g of bituminous coal are weighed for mixing, and the...
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