Seven Refractories, in collaboration with the Russian company Refracon Installations has successfully carried out the repair of hot-blast stove combustion chamber. The project realized in August, during capital repair of blast furnace № 5 NLMK, included full service range, from the cleaning of collapsed brick lining until the restoration of protecting layer on the wall and pipe valves by gunning. All the works have been done on a tight schedule within 48 hours. The Cowper on August 5th has been set and put on heating up.
20 tons of Seven Gun 82 NX have been installed during the repair.