Device for closing a riser pipe of a coke oven comprises a lid with a flat sealing surface, and an operating device for opening and closing the lid

摘要

Device for closing a riser pipe (1) of a coke oven having a sealing surface (1a) on its upper end comprises a lid (2) with a sealing surface (2a), and an operating device for opening and closing the lid. The sealing surface of the riser pipe and the sealing surface of the riser pipe lid have flat surfaces. The operating device moves the sealing surfaces relative to each other when the lid is closed. Preferred Features: The operating device comprises a tilting arm that tilts about an axis, the arm being connected to the lid via a fixing element (6).