Coal mill outlet isolation door

The utility model discloses a coal mill outlet isolation door, which belongs to the technical field of coal briquette processing, and comprises an outlet, the side wall of the outlet is provided with an opening and closing mechanism, the bottom end of the outlet is provided with a cleaning mechanism, the top surface of the outlet is provided with an insertion hole through a channel, and the bottom surface of the outlet is provided with a groove I; the opening and closing mechanism comprises a fixing block, the fixing block is fixedly connected with the side wall of the outlet, a pneumatic push rod is installed on the top face of the fixing block, a connecting rod is fixedly connected to the other end of the pneumatic push rod, a door plate is fixedly connected to the bottom face of the connecting rod, and the door plate is slidably connected with the inserting hole in a sleeved mode. The gate plate door can open and close the outlet, does not need to add a steel plate temporarily for isolation, saves time and