Separation and purification device for 2, 2-dimethoxypropane

The utility model provides a separation and purification device of 2, 2-dimethoxypropane, which comprises a storage tank, a heat exchanger, a membrane separator, a first condenser and a rectifying tower which are connected in sequence, a pervaporation membrane is arranged in the membrane separator, the membrane separator is divided into a retentate chamber and a permeation chamber by the pervaporation membrane, the storage tank, the heat exchanger, the retentate chamber of the membrane separator, the first condenser and the rectifying tower are sequentially communicated through pipelines, and the permeate chamber of the membrane separator is sequentially communicated with a second condenser and a vacuum pump through pipelines; the technical problem that a product is difficult to separate and purify in an existing synthetic method of 2, 2-dimethoxypropane is solved, and the synthetic method can be widely applied to the technical field of separation and purification. 本实用新型提供了一种2,2-二甲氧基丙烷的分离提纯装置，包括依次连接的储罐、换热器、膜分