DEVICE FOR INTRODUCTION AND REMOVAL OF FUEL BLOWING TUBES TO AND FROM TUYERE APPARATUS OF BLAST FURNACE Russian patent published in 2013 - IPC C21B7/16 

FIELD: metallurgy.

SUBSTANCE: tuyere apparatus includes a casing of fuel blowing tube, which specifies an introduction/removal axis and is installed in coaxial elongation of a tube channel, through which the fuel blowing tube can be introduced to the tuyere apparatus. The proposed device includes a linear guide, a carriage and an erection support. The carriage is installed in a movable manner with a support on the linear guide and interacts with a connection device for connection of the fuel blowing tube to the carriage so that the fuel blowing tube can be moved by means of the carriage in axial direction along the movement axis. The linear guide includes a linear movement mechanism of the carriage along the axis of linear guide and the first semi-lock for installation of the linear guide on the erection support attached to the tuyere apparatus. The erection support has the second semi-lock interacting with the first semi-lock.

EFFECT: acceleration and reliability of replacement of a fuel blowing tube on a tuyere apparatus.

16 cl, 5 dwg