Combined oil sludge treatment device

The utility model discloses a combined oil sludge treatment device, which relates to the technical field of oil sludge treatment and comprises a connecting box, a fixing seat is arranged at the bottom end of the connecting box, a flow dividing box is connected to the top end of the connecting box, a baking box is mounted at the top end of the flow dividing box, and a separating box is arranged at the top end of the connecting box and positioned on one side of the flow dividing box. A flow guide plate is arranged at the bottom end of the separation box, and a feeding box is arranged at the top end of the separation box. According to the utility model, the sieve filter box and the separation box are arranged, so that flow-state oil sludge needing to be treated is guided into the separation box through the feeding box by a worker, the flow-state oil sludge guided into the separation box flows into the sieve roller, and the flow-state oil sludge in the sieve roller is stirred and separated when the sieve roller r