The invention discloses a catering
oily wastewater treatment system. A filter separator is mounted in a main body box, a filter inclined tube is mounted on an inclined tube fixing plate, a filter box body is mounted at one side of the main body box provided with a water outlet
pipe, comprises a filter cover plate, filter separator handles, an ABS (
Alkyl Benzene Sulfonate) filter core, ABS filter core separators, a sealing ring, a PP (
PolyPropylene) cleaning ball, a PP cleaning ball separator, a biochemical treatment layer and a plum filter mesh, wherein the ABS filter core separators are mounted in the center of the filter box body, the PP cleaning ball separator is arranged at the bottom of the filter box body, the PP cleaning ball is arranged on the PP cleaning ball separator, the biochemical treatment layer is vertically mounted at one side of the filter box body provided with the water outlet
pipe, a scummer is welded in the PP cleaning ball separator, a
sand filter cylinder is divided into an upper layer and a lower layer,
fiber filter balls are arranged below,
quartz sand is arranged above, and a scummer is mounted at the bottom of a water inlet
pipe. The capacity of an adjusting tank is expanded by the device which ensures the
discharge quality by multi-treatment and has simple structure, strong treatment capability and high separation effect and
discharge quality.