Abstract: An apparatus for producing flake ice from a liquid is, and a process for cleaning an apparatus for producing flake ice are disclosed. The apparatus is equipped with a rotatably disposed evaporator roller, a shaft on the evaporator roller, the shaft transmitting a torque from a drive unit to the evaporator roller, with a scraper to remove ice formed from the liquid on the surface of the evaporator roller, with a pan to receive the liquid, in which pan the evaporator roller is at least partially immersed, and with a cleaning device to effect cleaning, descaling, and/or disinfection. The cleaning device includes at least one supply inlet for a cleaning liquid discharging into the pan, and one circulation device that circulates the cleaning liquid in the pan and creates a flow on the part of the cleaning liquid in the pan.