Preparation system of titanium or titanium alloy powder with high sphericity degree and low oxygen increment

The utility model provides a high sphericity and low oxygen increment titanium or titanium alloy powder preparation system which comprises a transmission system provided with a feeding transmission chamber, a ventilation pipeline is arranged on the side wall of the feeding transmission chamber, a titanium alloy bar and a driving mechanism are arranged in the feeding transmission chamber, the titanium alloy bar is provided with a penetrating through hole in the center direction, and the through hole is communicated with the feeding transmission chamber. The feeding transmission chamber serves as a feeding channel of a titanium alloy wire, one end of the titanium alloy bar is located in the feeding transmission chamber, the other end of the titanium alloy bar extends into the atomization system, and the titanium alloy wire penetrates through the through hole through the wire feeding mechanism to be fed into the atomization system; the atomization system is provided with an atomization chamber, the other end of