Novel diethyl carbonate reaction device

The utility model relates to a novel diethyl carbonate reaction device which comprises an ester exchange reaction rectifying tower, a premixed raw material stirring kettle, a dimethyl carbonate feeding buffer kettle, a refining recovery unit and a refining purification unit, and is characterized in that the refining recovery unit comprises a first pressurizing refining tower, a methanol refining tower and a second pressurizing refining tower; the refining and purifying unit comprises a filter press, a crude diethyl carbonate buffer tank, a crude separation tower, a refining and purifying tower and a methyl ethyl carbonate reaction kettle which are connected in sequence, the methyl ethyl carbonate reaction kettle is connected with a tower top extraction pipeline of the crude separation tower, and an auxiliary input pipeline which is connected with an output pipeline of the premixed raw material stirring kettle is arranged at the lower part of the side wall of the methyl ethyl carbonate reaction kettle; a kettl