Crude diethyl carbonate separation device

The utility model relates to a crude diethyl carbonate separating device which comprises a reaction tank body, a feeding pipeline, a liquid discharging pipeline, a permeate conveying pipeline, a discharging pipeline and a vacuum pump, wherein the feeding pipeline, the liquid discharging pipeline, the permeate conveying pipeline and the discharging pipeline are arranged on the reaction tank body; the interior of the reaction tank body is connected with a storage assembly for storing a solid catalyst through a fixing assembly; the storage assembly comprises a bottom plate, a plurality of supporting seats arranged at the top of the bottom plate, at least two vertical plates arranged at the tops of the supporting seats and connecting cylinders located above the supporting seats and fixedly connected with the vertical plates. The servo motor rotates to drive the screw rod to rotate through the synchronizing part, the screw rod rotates to enable the nut seat, the sliding frame, the connecting rod and the scraper to