Slurry gate valve with deslagging function

The utility model discloses a mud sluice valve with a deslagging function, and particularly relates to the technical field of sluice valves, the mud sluice valve comprises a valve pipe, the outer wall of the valve pipe is provided with a first groove, the first groove is communicated with the interior of the valve pipe, the interior of the first groove is slidably connected with a deslagging plate, the outer wall of the deslagging plate is fixedly connected with a fixing block, and the fixing block is fixedly connected with the valve pipe. And a second groove is formed in the slag discharging plate. According to the mud gate valve, the baffle is arranged on the outer wall of the pull rod, the spring is arranged between the outer wall of the baffle and the third groove, the extrusion rod is arranged on the outer wall of the pull rod, and the sliding sleeve is arranged at one end of the extrusion rod, so that the sliding rod can drive the fixing rod to move. After the slurry gate valve is used for a period of t