2-chloro-3-aminopyridine synthesis reaction device

The utility model discloses a 2-chloro-3-aminopyridine synthesis reaction device which comprises a mixer, a first reaction zone, a second reaction zone, a centrifugal extractor, an MVR (mechanical vapor recompression) evaporator, a collecting tank, a first rectifying tower and a second rectifying to...

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Bibliographische Detailangaben
Hauptverfasser:	LIU GUOLIANG, WU LIRUI, LU NINGNING, JIANG WEI, DING BINGBING, GU SHUNMING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The utility model discloses a 2-chloro-3-aminopyridine synthesis reaction device which comprises a mixer, a first reaction zone, a second reaction zone, a centrifugal extractor, an MVR (mechanical vapor recompression) evaporator, a collecting tank, a first rectifying tower and a second rectifying tower, the mixer is connected with the first reaction zone through a pipeline, and the first reaction zone is connected with the second reaction zone through a pipeline. The second reaction zone is connected with a centrifugal extractor through a pipeline, the centrifugal extractor is connected with an MVR evaporator through a pipeline, the MVR evaporator is connected with a collecting tank through a pipeline, and the MVR evaporator is further connected with a first rectifying tower through a pipeline. The 2-chloro-3-aminopyridine synthesis reaction device disclosed by the utility model effectively solves the problems of long reaction time, high byproduct content and low reaction yield, reduces the quantity of byprod