TUYERE Russian patent published in 2007 - IPC C21C5/48 C21B7/16 F27B1/16 

FIELD: metallurgy industry; the devices for purging of the liquid melt by the gaseous oxidizing agent.

SUBSTANCE: the invention is pertaining to the field of metallurgy, in particular, to the devices of the liquid melt purging by the gaseous oxidizing agent. The tuyere contains: the body; the connection pipe with the outlet opening; the punch and the stopper made as the single component; the channel of the gaseous fuel feeding; the channel of the oxidative gas feeding; the channel of the water delivery, which has been made in the connection pipe; the drives block with the power and control drives. At that the coupling rod of the power drive, which is coaxial to the connection pipe outlet, rigidly coupled to the indicated the single component and is the spring-loaded; the hammer mounted in the drives block is kinematically coupled to the control drive and interacting with two ring abuts. The usage of the invention ensures the increased efficiency.

EFFECT: the invention ensures the increased efficiency.

4 cl, 3 dwg