Rapid replacement device for continuous casting gas-water nozzle

The utility model relates to the technical field of nozzle installation equipment, in particular to a continuous casting gas-water nozzle quick replacement device which comprises an installation base, an embedding groove used for containing a nozzle is formed in the installation base, the nozzle enters or breaks away from the embedding groove in the longitudinal direction of the nozzle, and an installation groove is formed in the embedding groove. A plurality of locking assemblies arranged along the mounting groove at intervals are arranged in the mounting groove, each locking assembly comprises a roller and at least one reset assembly, the rollers are rotationally connected with the reset assemblies, the rollers can rotate in the longitudinal direction of the nozzles, the reset assemblies are mounted in the mounting groove, and the reset assemblies are used for providing elastic force to enable the rollers and the mounting base to be matched to clamp the nozzles; through the design of the locking assembly, t