Patent ID: 8449646

Claim:
A method for preparing low-oxygen titanium powders, the method comprising the steps of: (a) placing 100 weight part of titanium base powders in an upper container of a deoxidation container and separately placing 50 to 200 weight part of calcium in a lower container of the deoxidation container the deoxidation chamber including a coupling part which couples the upper container and the lower container, and a sieve between the upper container and the lower container which separates the upper container from the lower container; (b) deoxidizing the titanium base powders by heating an inner part of the deoxidation container at a temperature of 850° C. to 1050° C. so that the calcium is evaporated upwards through the sieve to make contact with the titanium base powders; (c) removing calcium oxide from surfaces of titanium powders, which are obtained by deoxidizing the titanium base powders in step (b), by washing the titanium powders; and (d) drying the titanium powders subject to the removing of the calcium oxide in step (c).