Be applied to rectification plant of 7 - ethyl tryptophol

The utility model discloses a be applied to 7 the rectification plant of ethyl tryptophol, including lead to the consecutive head tank of feed tube, vacuum knifing rotary drum evaporimeter, rectifyingcolumn, overhead condenser, receipt jar no. 1, receive jars two, raffinate jar, vacuum unit, wherein, the end opening of vacuum knifing rotary drum evaporimeter links to each other with the raffinatejar, vacuum knifing rotary drum evaporimeter constitute by speed regulator, barrel, tubulation, hollow shaft, heating medium inlet, heat medium export. The utility model discloses be applied to 7 therectification plant of ethyl tryptophol, heat transfer efficiency is high, and evaporation area is high, and rate of heating is fast, and the material loss is few, and the rectification yield is high, adopts vacuum knifing rotary drum evaporimeter to add the rectifying column purification, and can the rectification yield reach 95 98%. 本实用新型公开了种应用于7-乙基色醇的精馏设备，包括通过料管依次相连的原料罐、真空刮膜转鼓蒸发器、精馏塔、塔顶冷凝器、接收罐、接收罐二、残液罐、真空机组，其中，真空刮膜转鼓蒸发器