CONTAINER FOR LONG-TIME STORAGE OF HARMFUL WASTES Russian patent published in 2000 - IPC

FIELD: environment control. SUBSTANCE: container has cylindrical body 1 whose bottom 2 is cast integral with its wall, cover 3 whose thickness equals that of body wall, and shielding layer 4 applied to external surface of container. Cylindrical body 1 with bottom 2 and cover 3 are slurry-and-stone castings with external walls 5-7 made of reinforced concrete and spaced from them at a distance of 0.5-5% of their thickness. Clearance is filled with polymeric material layer 8. Side surface of external wall 7 of cover 3 is attached through taper joint 9 to inner surface of body external wall 6; taper angle is 2-4 deg. Shielding layer 4 covering external surface of container is, essentially, epoxy film covered with plastic layer. Cover 3 together with its external wall 7 may have through hole 10 provided with water seal 11 and material level 12 dipped in container space 13. EFFECT: improved reliability and optimized utilization of container inner space. 2 cl, 1 dwg