Fecha de publicación: 31/05/2022 Fuente: WIPO "processing tomato" The utility model discloses a water storage tank for tomato sauce processing in the field of tomato sauce processing. The water storage tank comprises a bottom plate, the upper end of the bottom plate is fixedly connected with a water tank body and a supporting frame, the upper end of the supporting frame is fixedly connected with a first motor, the bottom end of an output shaft of the first motor is fixedly connected with a rectangular air cylinder, and the bottom end of the rectangular air cylinder is fixedly connected with a cleaning rod; the cleaning rod is located in the water tank body, and a cleaning mechanism used for cleaning the inner wall of the water tank body is arranged on the surface of the cleaning rod. The device is easy to operate and convenient to use, can move into the water tank body through the small opening of the water tank body to be unfolded, then automatically and comprehensively clean dirt in the water tank body, and can effectively save manpower.