Gas atomization device and method for recycling titanium alloy coarse powder

The invention relates to a gas atomization device and method for cyclic utilization of titanium alloy coarse powder, the device comprises a feeding system, the feeding system comprises a feeding turntable, the feeding turntable is connected with a first powder collecting tank, and the first powder collecting tank can be communicated with a first transfer tank; a second transfer tank is arranged below each first powder collecting tank, the bottom end of each first powder collecting tank can be communicated with the second transfer tank, and an electromagnetic feeder and a powder outlet pipe are arranged at the bottom end of the second transfer tank; the smelting system comprises a smelting chamber, and a first-stage heating area, a second-stage heating area and a third-stage heating area are arranged in the smelting chamber; the atomizing system comprises an atomizing chamber; the grading material collecting and circulating system comprises a first grading machine, a second grading machine, a cyclone separator