Reaction kettle convenient for pressure adjustment

The utility model discloses a reaction kettle with pressure convenient to adjust. The device comprises a reaction kettle and a pressure regulating tank, a stirring device is arranged in the reaction kettle; the stirring device comprises a rotating rod and a plurality of stirring rods; wherein the stirring rod is fixed on the rotating rod, a water delivery channel is arranged in the rotating rod along the axial direction, a water outlet channel is arranged in the stirring rod along the axial direction, the water delivery channel is communicated with the water outlet channel, a water tank shellis arranged at the upper part in the reaction kettle, and a water inlet of the water delivery channel is formed in the rotating rod. Compared with the prior art, the device has the advantages that thedevice is simple in structure; the device is provided with the pressure regulating tank; the air pressure in the reaction kettle can be conveniently and quickly adjusted; reaction gas and pressure regulating gas in the reacti