Limited atomizing nozzle device

The utility model discloses a limiting type atomizing nozzle device in the technical field of powder metallurgy. The device comprises an atomizing nozzle and a flow guide channel arranged in the middle of the atomizing nozzle, wherein a circular seam is formed in the lower end of the wall surface of the atomizing nozzle; the atomizing nozzle comprises an upper cover plate and a lower shell; a circular seam outer ring is detachably mounted on the lower shell, a circular seam inner ring is detachably mounted on the upper cover plate, and a circular seam is formed between the circular seam outer ring and the circular seam inner ring; a first sealing ring is arranged on the contact surface between the upper cover plate and the lower shell, a second sealing ring is arranged on the contact surface between the circular seam inner ring and the upper cover plate, and a third sealing ring is arranged on the contact surface between the circular seam outer ring and the lower shell; first compression holes and second comp