Novel solid-liquid separator

The utility model discloses a novel solid-liquid separator which comprises a feeding pipe, a box body, sieve plates, a filter residue accommodating cavity and an extrusion dewatering mechanism, and ischaracterized in that the sieve plates are divided into a first sieve plate and a second sieve plate which are distributed up and down in an inclined manner and are arranged on the upper side in thebox body; the feeding pipe is divided into a main feeding pipe and two branch feeding pipes, the two branch feeding pipes are connected with one side of the box body, the feeding positions are locatedat the higher ends of the first sieve plate and the second sieve plate in the inclination direction respectively, and control valves are arranged on the two branch feeding pipes; a water outlet pipeis arranged on one side of the bottom of the box body; the box body is further provided with a water pumping mechanism, a water pump is arranged in the water pumping mechanism and connected with a flushing spray head through a w