Multi-layer protective barrier for hazardous waste landfill

The utility model discloses a multilayer protective barrier for a hazardous waste landfill, which relates to the technical field of landfills and comprises an outer protective barrier and an inner protective barrier arranged in the outer protective barrier, the cross sections of the outer protective barrier and the inner protective barrier are circular, and a reinforcing base is mounted at the center of the bottom in the outer protective barrier. The center of the bottom of the inner-layer protective barrier is mounted at the top of the reinforcing base, and a filling planting area is formed between the inner-layer protective barrier and the outer-layer protective barrier; the protective screen further comprises a plurality of separating devices, the separating devices are arranged between the inner-layer protective screen and the outer-layer protective screen, each separating device comprises two inverted-U-shaped clamping blocks, and openings of the two inverted-U-shaped clamping blocks are clamped on the s