Synthetising device for lithium hexafluorophosphate

The utility model discloses a synthetising device for lithium hexafluorophosphate using a method of anhydrous hydrogen fluoride non-aqueous solvent. The synthetising device for the lithium hexafluorophosphate comprises a reaction still. A jet sucker provided with a gas suction inlet and a backflow liquid inlet is arranged at the top end of the reaction still. The gas suction inlet is connected with a gas pipeline which is provided with a gas regulating valve. A connecting pipe is arranged at the lower end of the jet sucker. A gas-liquid mixer is arranged at the lower end of the connecting pipe. A guide cylinder is installed outside the connecting pipe and the gas-liquid mixer in a sleeved mode. A gap is arranged between the top end of the guide cylinder and the connecting pipe. A W-shaped guide plate si arranged below the guide cylinder. A spiral guide plate which rises from the bottom of the guide cylinder to the upper end of the guide cylinder in a screwing mode is arranged on outer circumference face of th