The utility model relates to an oil and water drainage short
pipe, including U -shaped tube, the first end of U -shaped tube is connected with the blowdown mouth and
tail end is sealed, is equipped with the oil head of the lateral wall of the vertical part of U -shaped tube connection first end, is equipped with the water head of the lateral wall of the vertical part of U -shaped tube connection
tail end, the oil head is higher than the water head, the vertical part of U -shaped tube connection
tail end is equipped with overflow
pipe along the axis, and the overflow
pipe is connected with the water head, and the lower end of overflow pipe reaches the curved portion of U -shaped tube. The utility model has the advantages of simple structure, effective oil removal.