Enzymatic ester exchange reaction tank

The utility model provides an enzymatic ester exchange reaction tank, and belongs to the technical field of reaction devices. The enzymatic ester exchange reaction tank comprises a reaction tank body and a vertical partition plate, wherein the top end of the reaction tank body is provided with a feed port, and the bottom end of the reaction tank body is provided with a discharge port; a central circular pipe of which the bottom end is communicated with the discharge hole is arranged in the reaction tank body; one end of the vertical clapboard is connected with the central circular pipe, and the other end is connected with the inner wall of the reaction tank body; a first overflow port is formed between every two adjacent cavities; one side, provided with the second overflow port, of the central circular pipe is communicated with one of the cavities; a heat preservation jacket is arranged on the outer wall of the reaction tank body, and a heat preservation liquid inlet and a heat preservation liquid outlet are