Circular seam atomizing nozzle device for preparing metal powder

The utility model relates to a circular seam atomizing nozzle device for preparing metal powder, and belongs to the technical field of gas atomization powder preparation devices. The device comprises an atomizing nozzle body, a liquid guide pipe and an air inlet pipe, a conical airflow channel is formed in the atomizing nozzle body, a stepped mounting hole is formed in the upper portion of the atomizing nozzle body, a conical atomizing area is formed in the lower portion of the atomizing nozzle body, an inverted-conical-shaped circular seam air spraying opening is formed between the conical airflow channel and the stepped mounting hole in the upper portion of the atomizing nozzle body, and the liquid guide pipe is of a stepped hollow cylinder structure; one end of the air inlet pipe is connected with an external air source, the other end of the air inlet pipe is communicated with the large cone end of the conical airflow channel in the atomizing nozzle body, and the small hole end of the liquid guide pipe is