Continuous dehydration distillation device for diisobutyl nylonate

The utility model discloses a continuous dehydration distillation device for nylon acid diisobutyl ester, which comprises a dealcoholization tower used for removing alcohol and water in materials; the wiped-film evaporator is connected in series with the dealcoholization tower and is used for steaming out the product diisobutyl nylonate; and the product collecting tank is connected with the wiped-film evaporator and is used for receiving the diisobutyl nylon acid evaporated by the wiped-film evaporator. According to the utility model, the dealcoholization tower and the wiped-film evaporator are combined in series front and back, so that the continuous dealcoholization, dehydration and distillation process is realized under the vacuum condition, the production process is simplified, and the energy is saved. 本实用新型公开了一种尼龙酸二异丁酯的连续脱水蒸馏装置，包括：脱醇塔，用于脱除物料中的醇与水；刮膜蒸发器，与所述脱醇塔串联设置，用于蒸出产品尼龙酸二异丁酯；产品收集槽，与所述刮膜蒸发器连接，用于接收所述刮膜蒸发器蒸出的尼龙酸二异丁酯。本实用新型采用脱醇塔与刮膜蒸发器前后串联组合的方法，在真空条件下实现连续脱醇、脱水与蒸馏的工艺，简化了生产工艺，节省了能源。