Device for preventing material crystal from hanging on wall in purification process

The utility model discloses a device for preventing materials from being crystallized and hung on a wall in a purification process, which comprises a reaction kettle, a reaction kettle thermometer, a saline water inlet pipe, a saline water outlet pipe, a saline water inlet pump and a saline water outlet pump, a saline water inlet pipe adjusting valve, a saline water inlet pipe thermometer, a saline water outlet pipe adjusting valve and a saline water outlet pipe thermometer are respectively arranged on the saline water inlet pipe and the saline water outlet pipe, and the saline water inlet pipe and the saline water outlet pipe are connected and communicated through a communicating pipe with an internal circulation adjusting valve; the saline water inlet pipe is further provided with an internal circulation flowmeter, a circulating pump, an internal circulation water inlet thermometer and an internal circulation water inlet pressure gauge, and the two ends of the communicating pipe are arranged on the outlet e