CNU Axial annular labyrinth seal used at original carbon ...
The utility model relates to an axial annular labyrinth seal used at an original carbon seal for a mediumspeed coal mill. The axial annular labyrinth seal comprises an annular labyrinth floating ring, an annular labyrinth stationary ring and a synchronizing ring provided with a tightening screw, wherein the annular labyrinth floating ring and the annular labyrinth stationary ring are mutually ...