Titanium tetrachloride charging method for production of sponge titanium
A technology of titanium tetrachloride and feeding method, applied in the field of non-ferrous metal smelting, can solve the problems of lower product grade and high Brinell hardness, and achieve the effects of small quality impact, easy operation and obvious economic benefits
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Embodiment 1
[0020] 3 ton furnace charging process
[0021] The melting temperature of the magnesium ingot is set at 780°C, and the melting constant temperature time is 5 hours. After the magnesium ingot is melted, titanium tetrachloride is added at a feeding rate of 80kg / h, and the constant temperature of the feeding pipe is 150°C. Stop feeding after adding 160kg of titanium tetrachloride, and continue feeding according to the normal process after keeping the temperature at 720°C for 1 hour.
Embodiment 2
[0023] 5 ton furnace charging process
[0024] The melting temperature of the magnesium ingot is set at 800°C, and the melting constant temperature time is 7 hours. After the magnesium ingot is melted, titanium tetrachloride is added at a feeding rate of 100kg / h, and the constant temperature of the feeding pipe is 150°C. Stop feeding after adding 300kg of titanium tetrachloride, and continue feeding according to the normal process after keeping the temperature at 720°C for 2 hours.
Embodiment 3
[0026] 7 ton furnace charging process
[0027] The melting temperature of the magnesium ingot is set at 800°C, and the melting constant temperature time is 8 hours. After the magnesium ingot is melted, titanium tetrachloride is added at a feeding rate of 100kg / h, and the constant temperature of the feeding pipe is 180°C. Stop feeding after adding 500kg of titanium tetrachloride, and continue feeding according to the normal process after the constant temperature of 700°C for 3 hours.
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