METHOD FOR REPAIRING INSIDE OF GAS FLUE OF COKE OVEN, AND DEVICE FOR REPAIRING INSIDE OF GAS FLUE

摘要

A method for repairing the inside of a gas flue of a coke oven has: a step for inserting and disposing a first pipe so that the pipe has a predetermined gap relative to the inner peripheral surface of the gas flue and so that the upper end of the pipe is located within the gas flue; a step for forcing mortar into the gap from below to above in the vertical direction; and a step for recovering the mortar having flowed over the upper end of the first pipe and entered the inside of the first pipe.