Method for preparing titanium sponge
A production method, the technology of sponge titanium, applied in the field of sponge titanium production, can solve the problems of affecting the reaction speed, affecting the reduction reaction speed, increasing the cost, etc., and achieve the effect of improving the utilization rate, increasing the first reaction speed, and increasing the cost
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[0025] The invention provides a method for producing titanium sponge, said method comprising the following steps:
[0026] a. 4.2 tons of magnesium metal are installed in the reactor;
[0027] b. Prepare a magnesium chloride block of 1mm to 100mm, and the weight ratio of metal magnesium to magnesium chloride is 4:1;
[0028] c. Add the magnesium chloride block evenly to the top of the metal magnesium in the reactor;
[0029] d. Use a Roots pump to evacuate for 30 minutes, then input argon to a positive pressure of 0.05mPa for protection, and wait for it to enter the furnace;
[0030] e. The temperature change after entering the furnace is: 150°C constant temperature degassing for 2 hours; 200°C constant temperature degassing for 2 hours; 300°C constant temperature degassing for 2 hours; then increase the temperature to 800-880°C and add liquid titanium tetrachloride for reduction reaction;
[0031] f. Add titanium tetrachloride in 10 times: add 1000kg for the first time, 100...
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