Liquid-gas mixing equipment

The utility model relates to the technical field of liquid-gas mixing. The utility model further discloses liquid-gas mixing equipment. The reaction kettle comprises a reaction kettle body and a feeding valve, the top end of the feeding valve is fixedly communicated with a mixing box; a plurality of connecting holes are formed in the outer wall of the mixing box; the plurality of connecting holesare respectively and fixedly connected with a liquid feeding interface, a connecting cylinder and a gas feeding interface; a groove is formed in the inner wall of the connecting cylinder; the inner wall of the groove is fixedly connected with a rolling bearing; the inner wall of the rolling bearing is fixedly connected with a sealing ring and a supporting ring; the outer wall of the sealing ring is movably connected with the side wall of the groove, the inner wall of the supporting ring is fixedly connected with a stirring rod, the side wall of the connecting cylinder is fixedly connected witha motor, the output end o