Novel coal chemical wastewater treatment device

The utility model discloses a novel coal chemical wastewater treatment device which comprises a sedimentation tank prefabricated on one side of a concrete ground and an oil tank prefabricated on the other side of the concrete ground, a supporting column is arranged on the edge side of the bottom of the sedimentation tank, a sliding cylinder is arranged on the supporting column, and a storage box is arranged at one end of the sliding cylinder. Water absorption holes are evenly distributed in one end of the storage box front and back. The screw rod can rotate upwards or downwards in the threadedhole through the reverse rotation or forward rotation plate, the supporting height of the sliding barrel on the supporting column by the screw rod is changed, the height of the storage box is also changed, the outer wall of the supporting column is in sliding fit with the inner wall of the sliding barrel, the matched section is square, and the sliding barrel is limited to be matched with rotationof the screw rod to rotat