Gettering device under landfill air film in rubbish landfill district

The utility model discloses a gettering device under landfill air film in rubbish landfill district, including setting up the PE pipe on the slope in rubbish landfill district, the PE membrane sealing connection on surface and the surface in rubbish landfill district of PE pipe, the end -to -end connection of PE pipe have the spherical protective sheath of setting in PE membrane lower surface below, PE pipe extend to spherical protective sheath in, be located and be equipped with a plurality of gas collection holes on the PE pipe of spherical protective sheath, spherical protective sheath and PE pipe between still be equipped with the supplementary spherical protective sheath of connection on the PE pipe, supplementary spherical protective sheath and the surface of spherical protective sheath all be equipped with the bleeder vent, wherein, the 2 -2.5 in the aperture of the bleeder vent of the aperture of the bleeder vent on the spherical protective sheath on for supplementary spherical protective sheath is do