Industrieofen mit einem Drehrohr

摘要

The industrial furnace (1) has a torque tube (2) and material feeding equipment (3) coupled within the range of a front side opening of the torque tube. A sealing arrangement (6) is provided between torque tube and material feeding equipment, where sealing arrangement has a gas seal (7). The sealing arrangement has a circular chamber (11). The circular chamber has a discharge opening (18) standing in connection with a process area (2c).