De-oiling furnace for waste oil catalyst

The invention discloses a de-oiling furnace for waste oil catalyst, comprising a furnace body; the furnace body is provided with a material inlet and a material outlet; a furnace grate for sending material is disposed in the furnace body; wherein the material inlet and the material outlet are both provided with a cooling device; and a pre-heating chamber, a burning chamber and a cooling chamber are orderly arranged between the material inlet and the material outlet; a firebrick layer is set in the burning chamber; and the furnace wall of the burning chamber is provided with a ventilation door connected with a ventilation room; and the end part of the furnace grate is further provided with a slag remover; a water heating pot cylinder is disposed in the furnace above the burning chamber; the water heating pot cylinder is provided with a drainage pipeline. The invention is featured in simple structure and smart design; the oil, sulfur and carbon compound are removed from the waste oil catalyst by the way of burn