Chemical raw material anti-blocking grinding kettle

The utility model relates to the technical field of chemical raw material production, in particular to a chemical raw material anti-blocking type grinding kettle which comprises a box body and a screen barrel, a feeding hopper is arranged on the box body through a feeding pipe, a discharging pipe is arranged below the box body, and a first electromagnetic valve and a second electromagnetic valve are arranged in the feeding pipe and the discharging pipe respectively. A screen barrel is fixedly installed on the inner wall of the box body through a support, a connecting rod is arranged in the screen barrel through a driving shaft, a grinding block and a cleaning roller are arranged at one end of the connecting rod, a base is arranged below the box body, and a controller is arranged on one side of the box body. According to the chemical raw material grinding device, the cleaning roller with the nylon brush and the dredging needle is arranged on the driving shaft through the connecting rod, and when the driving sh