Plasticizer esterification reaction device

The utility model relates to a plasticizer apparatus for producing, concretely relates to plasticizer esterification reaction device, including the esterifying kettle, buffer tank, esterifying kettle, esterification column, first condenser, second condenser, alcohol -water separation jar in with and the water washing tank consecutive, the esterifying kettle top is passed through the feed valve and is linked to each other with the feed inlet, esterification column, U type pipe are consecutive with the alcohol -water separation jar. The utility model discloses the device operating efficiency improve, and output increases, and the energy consumption reduces, has improved the utilization ratio of esterification reaction waste heat, has reduced the investment.