Pressure adjusting device for coke oven carbonization chamber

The invention discloses a pressure regulating device for a coke oven carbonization chamber. A coke oven carbonization chamber is arranged in the pressure regulating device; the upper end of the jacket is fixedly connected with the bottom of the bridge pipe through a flange; the upper end of the sealing seat is fixedly connected with the bottom of the axle tube or the inner wall of the outer sleeve in a flange connection mode. The inner diameter of the sealing seat is matched with the inner diameter of a bridge pipe for sealing connection, the pull rod and the connecting piece thereof are arranged in the sealing seat in a lifting mode, the pull rod extends in the axis direction of the sealing seat, and the connecting piece is perpendicularly connected with the pull rod and movably arranged on the inner wall of the sealing seat. A movable sleeve is arranged at the bottom end of the pull rod, the airflow adjusting grid is arranged on the sealing seat in a sealed and sleeved mode and moves up and down in the seal