MTBE desulfurization and purification device

The utility model discloses an MTBE (Methyl Tert Butyl Ether) desulfurization and purification device which comprises a vertically arranged plate type desulfurization tower, wherein a return pipe is arranged between the bottom of the plate-type desulfurization tower and the middle part of the tower body, the lower end of the return pipe is connected with a desulfurization pump through a pipeline,the desulfurization pump is connected with a heavy sulfur tank through a pipeline, and a reboiler is also arranged on the return pipe; finished product pipeline, one end of the finished product pipeline is connected with the plate-type desulfurizing tower through the flow control valve bank I, and the other end of the finished product pipeline is connected with the MTBE finished product tank through the flow control valve bank II; the system further comprises a tower top cooler, a reflux tank and a reflux pump, the top of the plate type desulfurization tower is connected with the tower top cooler through a pipeline, t