1. A CATHODE SHELL OF ALUMINIUM POT, including cradles, connected to each other by tie elements, a box, lined from inside, with longitudinal walls, openings for taking out cathode rods, end walls and a bottom, and stiffening belts of end walls, connected to extreme cradles, wherein the cradles, box walls and stiffening belts of end walls are detachable, the point of detachment being located within the height of openings for taking out cathode rods; the end walls are connected with stiffening belts, the longitudinal walls and the bottom are used as tie elements, connecting the cradles; the elements, providing the connection of top and bottom parts of the cradles, being installed in the points of their detachment.

2. The shell according to claim 1, wherein additional stiffening elements, connected with longitudinal walls, are installed between cradles in the points of the location of openings for taking out the cathode rods.

3. The shell according to claim 1, wherein the top and bottom parts of the cradles are connected by flanges.

4. The shell according to claim 2, wherein the additional stiffening elements are connected with cradles or elements, providing the stiffening connection between their top and bottom parts and forming a closed belt, located on the box perimeter, together with stiffening belts of end walls.