Sand filter for oil recovery

The utility model discloses a sand filter for oil recovery, including oil storage bin, the oil storage bin bottom is equipped with the oil -out, the oil -out bottom is equipped with movable valve, activity valve and oil -out swing joint, activity valve bottom is equipped with the oil level inductor, the oil storage bin bottom is equipped with the extrusion storehouse, extrusion storehouse bottom is equipped with gravel and collects the box, box and extrusion storehouse swing joint are collected to gravel, extrusion storehouse both sides are equipped with out the bunker, it is equipped with the extrusion piece to go out between bunker and the extrusion storehouse, extrusion piece one side was equipped with the filter pulp, it can dismantle through the screw with extrusion piece and be connected to cross the filter pulp, extrusion piece one side is equipped with the transfer line, transfer line and extrusion piece fixed connection, transfer line one end is equipped with the feeding motor, the feeding motor pass