GAS PURGE BRICK FOR METALLURGICAL FURNACES AND VESSELS

摘要

: The invention relates to a gas purge brick 1 for metallurgical furnaces and vessels, which is connected with a gas supply pipe 8 on its cold brick end 4 laying remote from the interior of the furnace or vessel respectively. In the longitudinal direction of this gas purge brick 1 there is centrally arranged a solid metal core 9 which is helically surrounded by a helix 10 of metal. Optionally at least in the part adjoining the cold brick end 4, the gas supply pipe 8 is concentrically surrounded by a protecting tube 13 filled with a refractory material 14.