Large-flow compressed air foam mixing device

The utility model discloses a high-flow compressed air foam mixing device, which relates to the technical field of fire engineering equipment and comprises a base crow plate for placing components, a main pipeline arranged at one end of the top of the base crow plate, and a mixing component arranged at the top of the base crow plate and communicated with the main pipeline, an electric butterfly valve is arranged at the input end of the main pipeline, and the mixing component comprises a single-shaft output water turbine, a speed regulator arranged on one side of the single-shaft output water turbine and located on the top of the base crow plate, and a plunger pump arranged on the side and away from the single-shaft output water turbine. The electric three-way ball valve is arranged on one side of the plunger pump and located at the other end of the top of the base crow plate. One device can meet various use requirements according to field use requirements, fire extinguishing agent mixed liquid with a fixed mi