Rare earth energizer accommodating tank

The utility model provides a rare earth energizer accommodating tank mounted near a sample hole of a nitriding furnace. The rare earth energizer accommodating tank comprises an accommodating tank, a straight bar, a labyrinth oil seal device, a limit baffle and a rotating handle, wherein the accommodating tank made of heat resisting steel is welded to the lower end of the straight bar made of the heat resisting steel, the upper part of the straight bar is locked on an iron sleeve by a clamp nut, and the straight bar is inserted into the nitriding furnace from a position near the sample hole in the top of a furnace cover. By means of the rare earth nitriding design, the rare earth energizer accommodating tank is is simple and reasonable in structure, high in practicability and convenient to manufacture and mount, and the application range of advanced rare earth nitriding process can be enlarged.