Oil-water separation device for plasticizer production

The invention provides an oil-water separation device for plasticizer production, which comprises an impurity removal mechanism and a separation mechanism, the separation mechanism comprises a first separation box and a second separation box, and a plurality of first separation tanks and second separation tanks are respectively arranged in the first separation box and the second separation box; filter screens are mounted on the outer sides of the first separation tank and the second separation tank, molecular films wrap the outer sides of the filter screens, a first branch pipe is connected to the bottom of the first separation tank, a second branch pipe is connected to the bottom of the second separation tank, and a pair of first guide pipes is connected between the first separation tank and the second separation tank; the first guide pipes are connected with the first branch pipe, a first pump machine is connected between the pair of first guide pipes, a water outlet groove is formed in one side of the seco