The utility model is applicable to the field of filter cloth cleaning, and provides a filter cloth cleaning and spin-
drying device of a pressure filter, which comprises a cleaning
barrel, a plurality of flushing components mounted in the cleaning
barrel, a rotating component mounted on the cleaning
barrel and a plurality of filter cloths, the cleaning barrel comprises a barrel body and a barrel cover, each flushing component comprises a water inlet
pipe and a plurality of spray heads, the rotating
assembly comprises a motor and a rotating rod, the multiple pieces of filter cloth are fixedly arranged on the outer side of the rotating rod in a sleeving mode, the multiple pieces of filter cloth are arranged on the outer side of the rotating rod in a sleeving mode, washing liquid is added into the barrel body through the matched washing
assembly, and the motor is started to drive the rotating rod to rotate to drive the filter cloth to conduct washing work; the filter cloth can be better washed by controlling the rotating speed of the motor,
sewage in the barrel body is discharged after washing is completed, water on the filter cloth is spin-dried through high-speed rotation of the rotating rod under the action of
centrifugal force, and the cleaning effect of the filter cloth can be improved by repeated washing.