Production method of titanium carbide slag for preparing titanium tetrachloride
A technology of titanium tetrachloride and its production method, which is applied in the field of metallurgy, can solve problems such as inability to use chlorination process, affect boiling chlorination, and block sieve plate, so as to solve the pressure of environmental protection, promote development, and improve the comprehensive utilization rate of resources Effect
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Embodiment 1
[0037] TiO in the titanium-containing slag treated in this embodiment 2 content of 15%, MgO content of 6%, CaO content of 28%, SiO 2 The content is 27%, Al 2 o 3 The content is 15%;
[0038]A. Hot-charge the above-mentioned titanium-containing slag into the electric furnace at 1100°C in a molten state, heat up to 1200°C by power transmission, and add a reducing agent (the reducing agent is anthracite, with a particle size not greater than 3mm) by feeding on the furnace top, and continue power transmission The reduction temperature is guaranteed to be 1500°C to 1600°C, and the conversion reaction of titanium dioxide is started;
[0039] B. When the conversion rate of titanium dioxide reaches 85% and the content of titanium carbide in the slag reaches 9.5%, quickly open the slag outlet to discharge the slag. The slag outlet is connected to the slag flushing equipment, and the hot slag is injected by the high pressure water flow (hydraulic pressure) through the slag flushing w...
Embodiment 2
[0043] TiO in the titanium-containing slag treated in this embodiment 2 content of 20%, MgO content of 7%, CaO content of 26%, SiO 2 Content is 25%, Al 2 o 3 The content is 14%;
[0044] A. Hot charge the above-mentioned titanium-containing slag into the electric furnace at 1300°C in a molten state, heat up to 1350°C by power supply, and add a reducing agent (the reducing agent is coke powder, the particle size is not greater than 2mm) by feeding on the furnace top, and continue to send Electricity ensures that the reduction temperature is 1550 ° C ~ 1650 ° C, and the conversion reaction of titanium dioxide begins;
[0045] B. When the conversion rate of titanium dioxide reaches 88% and the content of titanium carbide in the slag reaches more than 13%, quickly open the slag outlet to discharge the slag. The slag outlet is connected to the slag flushing equipment, and the hot slag is injected by the high-pressure water flow (water) through the slag flushing water pipe. The ...
Embodiment 3
[0049] TiO in the titanium-containing slag treated in this embodiment 2 content is 25%, MgO content is 8%, CaO content is 24%, SiO 2 The content is 22%, Al 2 o 3 The content is 13%;
[0050] A. Heat the above-mentioned titanium-containing slag into the electric furnace at 1450°C in a molten state, heat it up to 1500°C by power supply, add a reducing agent (the reducing agent is graphite, the particle size is not greater than 1mm) by blowing and feeding, and continue to power supply The reduction temperature is guaranteed to be 1600°C to 1700°C, and the conversion reaction of titanium dioxide is started;
[0051] B. When the conversion rate of titanium dioxide reaches 95% and the content of titanium carbide in the slag reaches 18%, quickly open the slag outlet to discharge the slag. The slag outlet is connected to the slag flushing equipment, and the hot slag is injected by the high-pressure water flow (water pressure) through the slag flushing water pipe. 0.5MPa), it is qu...
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