Rotary drum filter suitable for solid-liquid separation of salty mud

The utility model relates to the technical field of rotary drum filters, in particular to a rotary drum filter suitable for solid-liquid separation of salty mud, which comprises a rotary drum filter body, the top of the rotary drum filter body is communicated with a feeding box, the top of the inner side of the feeding box is open, a screw rod and a sliding rod are respectively arranged on two sides of the feeding box, and the screw rod is connected with the sliding rod. A driving mechanism is arranged at one end of the screw rod, an object placing piece is jointly installed on the outer side of the sliding rod and the outer side of the screw rod, a discharging pipe is installed on the inner side of the object placing piece in a communicating mode, an L-shaped frame is installed on the outer wall of one side of the discharging pipe, and a material storage piece is obliquely arranged on the upper portion of the inner side of the L-shaped frame; the lower part of the rotary drum filter body is communicated and