Automatic tank washing device integrating cleaning, drying and disinfection

The invention relates to the technical field of cleaning and disinfection, in particular to an automatic tank washing device integrating cleaning, drying and disinfection. The automatic tank washing device integrating cleaning, drying and disinfection comprises a cabinet body, wherein a tray is arranged in the cabinet body; a supporting column is arranged at the top of the tray and is of a hollow structure; a nozzle is formed in the supporting column; a first water conveying pipe is arranged in the tray; the first water conveying pipe is communicated with the bottom of the supporting column; a spray head is arranged above the tray and connected with a second water conveying pipe; the first water conveying pipe and the second water conveying pipe are connected with a washing pump through a water supply pipe; an electric heating element is arranged on the inner wall of the cabinet body; and the washing pump, the electric heating element and a programmable logic controller (PLC) are connected. The automatic tank