FIELD: machine building.
SUBSTANCE: crown element to secure nozzle in the mass-transfer column contains elongated plate, which contains top element, wall element and bottom element, at that wall element is located between the top element and bottom element such, that first bending line is created between the top element and wall element. The second bending line is created between the wall element and bottom element, at that the top element is made with multiple cuts, at that the bottom element is made with multiple recesses. Number of cuts is below the number of recesses.
EFFECT: improved design.
14 cl, 6 dwg
