The utility model relates to an organic phase separation recoverer of alkoxylate device vacuum waste water, including the liquid seal box, separate into liquid seal district and static disengagement zone through establishing liquid seal baffle on the bottom surface in the liquid seal box, liquid seal district on be equipped with mixed liquid and advance the pipe, water supplying valve is connected with the upper portion that the liquid seal was distinguished, liquid seal district bottom valve is with the sub -unit connection in liquid seal district, intermediate bottom is located static disengagement zone in and be close to the liquid seal baffle, boundary liquid level viewing device establishes static disengagement zone on for confirm organic interface that gets along with water, organic looks collecting pipe is established static disengagement zone on, be located boundary liquid level viewing device slightly lean on last position, take the water separation fluid -discharge tube of valve, the feed liquor end is connected with the bottom of static disengagement zone, is equipped with liquid seal drain on this water separation fluid -discharge tube. The utility model discloses the water -soluble material of non - can be reduced and sewage system is brought into to can retrieve the water -soluble material separation of non - simultaneously.