equipment for tapphalet on a smeltugn for non - metallic materials, inorganic oxides serskilt intended for framstellning mineral or ceramic fiber.refractory products or non - metallic granules

摘要

A furnace taphole comprising a central conduit(1) of carbon set in a mass(2) of refractory material, and an electrical conductor(3) which at least partially encircles the central conduit and is operable to cause heating of the conduit. The conductor (3) can be an induction coil, or it can be one electrode with the conduit being another. The conduit outlet preferably has a liquid-cooled jacket. IMAGE