High-quality xylene rectification device

The utility model discloses a high-quality xylene rectification device which comprises a connecting pipe and a light component removal tower, and the light component removal tower is divided into a tower top part and a tower bottom part; the device further comprises an air cooler, a tower top receiving tank and a reflux pump, and the tower top is sequentially communicated with the air cooler, thetower top receiving tank and the reflux pump through the connecting pipe and returns to the tower top; the bottom of the tower is sequentially connected with the reflux pump and the reboiler through the connecting pipe and returns to the bottom of the tower; by changing an original rectification system, the requirement for improving the refining purity is met, raw materials cannot be wasted, and the cost is saved. 本实用新型公开了一种高质量精馏二甲苯的装置，包括连接管，还包括脱轻组分塔，所述脱轻组分塔分为塔顶和塔底两部分；还包括空冷器、塔顶受槽和回流泵，所述塔顶通过所述连接管依次连通所述空冷器、所述塔顶受槽和所述回流泵，并回到塔顶；还包括再沸炉，所述塔底通过所述连接管依次连接所述回流泵和所述再沸炉，并回到塔底；本申请通过改变原有的精馏系统，既满足了提升精制纯度的需求，又不会浪费原材料，节省了成本。