Mixer comprising cleaning nozzle

A mixer comprising a mixing container having an outlet opening, a closure cover which can be moved back and forth between a closed position in which the closure cover closes the outlet opening and an open position in which the closure cover uncovers the outlet opening so that mixture can be removed from the mixing container via the outlet opening, at least one cleaning nozzle for cleaning the closure opening and/or a mixture outflow region arranged outside of the mixing container, and a liquid feed to feed cleaning fluid to the at least one cleaning nozzle, wherein the at least one cleaning nozzle is fastened to the closure cover, so that this can be moved together with the closure cover, wherein the closure cover has a swivel arm which is mounted rotatably around a swivel axis so that the closure cover can be swivelled around a swivel axis, wherein the liquid feed runs through the swivel axis.