Preparation method of titanium boride powder
A technology of powder preparation and titanium boride, applied in the direction of boron/boride, metal boride, etc., can solve the problems of complex steps, low production efficiency, high cost, etc., and achieve the effect of simple steps, less impurity residue, and low equipment requirements
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Embodiment 1
[0040] Embodiment 1 Using the method of the present invention to prepare TiB 2 powder
[0041] TiCl with a purity greater than 99.98% 4 、BCl 3 Each 1.62Kg and 2.00Kg are mixed, and heated to 500 degrees Celsius for later use.
[0042] Mg, MgCl with a purity greater than 99.99% 2 Each 2.25Kg and 8.94Kg are mixed and heated to 800 degrees Celsius; the MgCl2 and Mg mixtures are protected with argon and stirred at a stirring speed of 20rpm.
[0043] gaseous TiCl 4 、BCl 3 The mixture is added at a rate of 0.1Kg / min into a closed carbon steel tank reaction vessel with a pressure relief function of 10L in volume for reaction, and the MgCl at the bottom of the vessel is passed into 2 in molten salt. During the reduction reaction, the reaction vessel is forcibly cooled by blowing air, and the temperature of the reactor system is controlled at 780-800 degrees Celsius; when the pressure of the reactor is greater than 20KPa, the pressure is released; until the reaction is fully com...
Embodiment 2
[0045] Example 2 Preparation of TiB using the method of the present invention 2 powder
[0046] TiCl with a purity greater than 99.98% 4 、BCl 3 Each 1.62Kg and 2.00Kg are mixed, and heated to 500 degrees Celsius for later use.
[0047] Mg, MgCl with a purity greater than 99.99% 2 Each 2.25Kg and 8.94Kg are mixed and heated to 800 degrees Celsius; the MgCl2 and Mg mixtures are protected with argon and stirred at a stirring speed of 30rpm.
[0048] gaseous TiCl 4 、BCl 3 Add it into a reaction vessel with a volume of 10L at a rate of 0.05Kg / min, and pass into the MgCl at the bottom of the vessel 2 in molten salt. During the reduction reaction process, the reaction vessel is forcibly cooled by blowing air, and the temperature of the reaction system is controlled to 750-780 degrees Celsius. When the pressure of the reactor is greater than 20KPa, it is depressurized; until the reaction is fully completed to obtain the reduced product at the bottom of the closed carbon steel ...
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