The invention discloses a double rotational flow premix type metallurgical nozzle which solves the problem that a material in the metallurgical nozzle is not mixed fully with a gas. The double rotational flow premix type metallurgical nozzle comprises a central cylinder of a feed pipe, wherein the feed pipe is externally and sequentially provided with a separating pipe having an increasing diameter and an air cavity pipe in a sleeved manner; a rotational flow mixer is arranged at the front end of the feed pipe; the rotational flow mixer is provided with a plurality of flow guide sheets which are arranged circumferentially between two concentric rings; and the inner wall of the end of the air cavity pipe which enters into a furnace cavity is tapered, so that the gas flowing out rushes to the material which comes from the feed pipe. According to the nozzle disclosed by the invention, the material and the gas are mixed for the second time, so that the mixing is ensured to be sufficient, generation of raw material stack and furnace accretion is avoided, stability of furnace conditions is enhanced, overhaul loss of the furnace conditions is reduced, heat efficiency of the reaction is improved, temperature at the upper part of a reaction tower is improved, and a chassis of a rotational flow type sprayer has low abrasion and no water leakage fault.