Various coke furnaces can be repaired fast, safely and reliably with the ceramic welding repair method and with good air tightness; coke furnaces can be fixed almost without affecting production. The coking chamber wall will no longer leak and the environmental protection level can be improved greatly.

● Perforation, denudation, convexity or concavity of the coking chamber wall

● Leakage and crack of flue

● Joint between the old and new chamber walls

● Crack on coal charge door and furnace framework

● Cleaning and repair of vertical flame path and blocked flue

● Joint on furnace shoulder in coking chamber

                                                  ● Burn-out of footing and bottom of coking chamber

                                                  ● Sinking and brick falling of vault and arch