Vertical vacuum oil-water separator

The utility model belongs to the technical field of oil-water separation, and particularly relates to a vertical vacuum oil-water separator which comprises an outer barrel, the upper end and the lower end of the outer barrel are fixedly connected with an upper sealing head and a lower sealing head respectively, a feeding port is formed in the upper sealing head, a spraying pipe is fixedly connected to the feeding port through a conveying pipe, and the spraying pipe is located in an inner barrel. The inner cylinder body is fixedly mounted in the middle of the inner bottom of the outer cylinder body, and a plurality of spray heads perpendicular to the inner cylinder body are uniformly arranged on two horizontal side walls of the spray pipe. The spraying pipe is arranged at the bottom end of the conveying pipe on the feeding port, the multiple nozzles perpendicular to the inner cylinder body are evenly arranged on the two horizontal side walls of the spraying pipe, then water columns sprayed out of the nozzles a