The utility model belongs to the technical field of it retrieves to take the dewaxing sediment, especially, relate to it retrieves paraffinaceous device to take dewaxing sediment, including pyrolysis oven, settler, condensing equipment and vapour and liquid separator, the pyrolysis oven with the settler is connected, the settler with condensing equipment connects, condensing equipment with vapour and liquid separator connects, vapour and liquid separator with the pyrolysis oven is connected, be equipped with inner tube and urceolus in the pyrolysis oven, be equipped with the propulsion spiral in the inner tube, form the flue between inner tube and urceolus, the pyrolysis oven still is equipped with nitrogen gas import and sludge discharge tube. The utility model discloses a separating paraffin and catalyst residue, reaching and retrieve paraffinaceous purpose, wherein petroleum tailings active ingredient yield reaches more than 82%, and the noncondensable gas of production returns pyrolysis oven furnace and burns, has reduced the emission of waste gas, is that an expense asks the petroleum tailings to retrieve paraffinaceous clean technology.