Argon blowing and long nozzle

The utility model discloses an argon blowing and long nozzle belongs to metallurgical refractory material preparation field. The utility model discloses an inner chamber, mouth of a river wall, air vent and ventilative ring, it is provided with hollow inner chamber to run through in the middle part of the wall of the mouth of a river, ventilative ring embedding mouth of a river wall top is inboard, the air vent has been seted up on mouth of a river wall upper portion, and this air vent links to each other with ventilative ring, mouth of a river wall comprises upper wall, mesospore and lower wall, go up the first half and the transition of the latter half right angle of pars intramuralis, form ventilative ring place the platform. Provided is an aim at overcomes the problem that pressure istoo little on the protective gas layer that forms among the prior art, provides an argon blowing and long nozzle. The utility model discloses a set up ventilative ring sum and set up the form of air vent on the wall of the mo