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本发明涉及一种用于间歇精馏生产高纯度碳酸二甲酯的装置和方法,其技术方案是,进料管线连接间歇精馏釜,间歇精馏釜的底部连接工业级碳酸二甲酯产品储罐,间歇精馏釜的顶部连接间歇精馏塔,间歇精馏塔的顶部气体出口连接塔顶冷凝器,塔顶冷凝器连接塔顶回流罐,塔顶回流罐通过回流泵连接间歇精馏塔,间歇精馏塔的侧面液体出口连接高纯度碳酸二甲酯产品中间罐和过渡馏分罐,所述的高纯度碳酸二甲酯产品中间罐连接高纯度碳酸二甲酯产品储罐和工业级碳酸二甲酯产品储罐,过渡馏分罐连接工业级碳酸二甲酯产品储罐和碳酸二甲酯
The invention relates to an apparatus and a method for producing high-purity dimethyl carbonate by batch distillation. The technical scheme is that the feed line is connected with a batch distillation bottoms, the bottom of the batch distillation bottoms is connected with an industrial grade dimethyl carbonate product The top of the batch distillation column is connected with an intermittent distillation column, the top gas outlet of the batch distillation column is connected with an overhead condenser, the tower top condenser is connected with an overhead reflux tank, and the top reflux tank is connected with a batch distillation Tower, intermittent distillation column side liquid outlet is connected to a high purity dimethyl carbonate product intermediate tank and transitional distillate tank, the high purity dimethyl carbonate product intermediate tank connection high purity dimethyl carbonate product storage tank and industrial grade Dimethyl carbonate Product Tanks, Transitional Distillates Tanks Industrial Dimethyl Carbonate Products Tanks and Dimethyl Carbonate