Preparation device of boron-gallium particles

The utility model relates to a preparation device of boron-gallium particles, and belongs to the technical field of material preparation. The device comprises a vacuum box body, a liquid gallium conveying pipe, a liquid gallium spray head, a boron powder spray head I, a boron powder spray head II and a reaction device, the reaction device is arranged in the vacuum box body, an exhaust port is formed in the top end of the vacuum box body, an air inlet is formed in the bottom end of the vacuum box body, and the exhaust port and the air outlet are located on the diagonal line of the vacuum box body. The liquid gallium conveying pipe is vertically and fixedly arranged in the center of the top of the vacuum box body, the bottom end of the liquid gallium conveying pipe penetrates through the top wall of the vacuum box body and is fixedly connected with the liquid gallium spray head, and the liquid gallium spray head is located over the reaction device; the boron powder spray head I and the boron powder spray head I