Self-cleaning slurry filter

The utility model relates to a self-cleaning slurry filter which comprises a support, supporting legs and a filtering tank are fixedly connected to the support respectively, a slurry inlet is formed in one side of the lower end of the filtering tank, a slag discharging opening and a motor are arranged at the bottom of the filtering tank respectively, a mounting cover covers the top end of the filtering tank, and a water inlet and a slurry outlet are formed in the mounting cover respectively. A filter screen bracket is fixedly connected to the mounting cover and is positioned in the filtering tank; a filter screen is fixedly connected to the filter screen bracket; an output shaft of the motor hermetically penetrates through the bottom of the filtering tank and then is connected with a transmission shaft, and the transmission shaft is fixedly connected with a cleaning piece; during use, high-pressure water is injected into the water inlet and sprayed into the filter screen from the cleaning piece, and meanwhile