Device for preparing 2-chloropropionic acid by adopting plug flow reactor

The utility model discloses a device for preparing 2-chloropropionic acid by adopting a plug flow reactor, and particularly relates to the technical field of preparation of 2-chloropropionic acid, which comprises a storage box, a reaction component arranged at the top of the storage box, a preheating box arranged at the top of the reaction component, a first heater fixedly mounted on the front side of the preheating box, and a partition plate fixedly connected inside the storage box, second heaters are fixedly installed at the bottom ends of the partition plates. According to the utility model, propionic acid and propionyl chloride are preheated through the first heater, then chlorine is introduced into the preheating box, the second valve is opened, so that a mixed solution enters the plug flow reactor through the first guide pipe, the reaction retention time of the mixed solution in the plug flow reactor is 6 hours, and the condenser condenses a product after the reaction, so that the propionic acid and pro