Structure:

The cleaning device consists of a pallet trolley, a heating device, a slag tank and a track, wherein the suctorial aluminum tube to be cleaned is placed in the pallet trolley with an inclined pallet and moves to be below the heating device which is obliquely fixed along the track, and under the heating of a heating resistance wire, and aluminum slag in the suctorial aluminum tube begins to be melted and flows to the slag tank along a chute retaining rib and an aluminum outlet under the action of gravity to achieve the purpose of cleaning.