Method and apparatus for removing a nozzle insert from a...

Details Method and apparatus for removing a nozzle insert from a... Method and apparatus for removing a nozzle insert from a...

C - Chemistry, Metallurgy

21

C

C21C 5/46 (2006.01)

Patent

CA 2122952

A nozzle extraction tool for removing a worn nozzle insert from a steelmaking vessel. The nozzle extraction tool including a support frame, a gripper assembly, and a drive piston for applying a force to the gripper assembly. The gripper assembly includes pivotal gripper arms and a rod assembly for pivoting and rotating the gripper assembly 360° about the longitudinal axis of the worn nozzle insert. The rod assembly enables the gripper arms to be securely seated against the uneven surfaces of the worn discharge bore extending through the nozzle insert

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