Gas Hokkaido repair device and gas province method of repairing a coke oven

摘要

A method of repairing a damaged portion of the gas path of the coke oven, and maintaining the predetermined gap with respect to the inner peripheral surface of the gas path, the gas canal repair method of the coke oven, the upper end to the gas tract and enters into the first pipe to beyond the upper end of the first pipe; comprising the steps of press-fitting the mortar into the gap in the upward vertically from below; comprising the steps of inserting place the first pipe to be positioned I have; and recovering the mortar.