2-chloro-5-trichloromethyl pyridine rectification purification method and device

The invention discloses a 2-chloro-5-trichloromethyl pyridine rectification purification method and device. Rectification purification of 2-chloro-5-trichloromethyl pyridine is implemented by using adevice for rectification purification of 2-chloro-5-trichloromethyl pyridine. By adopting the device for rectification purification of the 2-chloro-5-trichloromethyl pyridine, purification of a crudeproduct of 2-chloro-5-trichloromethyl pyridine can be efficiently implemented, the device is simple in structure and low in cost, and together with a purification method for the crude product of the 2-chloro-5-trichloromethyl pyridine, the purification rate of the crude product of the 2-chloro-5-trichloromethyl pyridine can be greatly increased. 本发明公开一种2-氯-5-三氯甲基吡啶精馏提纯方法及装置，通过在2-氯-5-三氯甲基吡啶精馏提纯的装置进行2-氯-5-三氯甲基吡啶精馏提纯，本发明提供的一种用于2-氯-5-三氯甲基吡啶精馏提纯的装置能够高效的进行2-氯-5-三氯甲基吡啶粗品的提纯，装置结构简单，成本低，配合2-氯-5-三氯甲基吡啶粗品的提纯方法，能够极大的提高2-氯-5-三氯甲基吡啶粗品的提纯率。