Quick activating pressure vessel closure

Details Quick activating pressure vessel closure Quick activating pressure vessel closure

F - Mech Eng,Light,Heat,Weapons

16

J

F16J 13/02 (2006.01) B01J 3/03 (2006.01) C10B 25/10 (2006.01) F16J 13/08 (2006.01)

Patent

CA 2109847

2109847 9319311 PCTABS00025 A closure device for a lower opening of a coke drum pressure vessel is quick acting. The opening has an annular flange. An annular movable support encircles the pressure vessel above the flange. A stationary support secures to the flange below the movable support. A number of coil springs are evenly spaced around the stationary support beween the stationary support and the movable support. Hydraulic cylinders between the movable and stationary support move the movable support axially relative to the stationary support. A head will abut the flange. Hooks mounted to the movable support will engage the head and pull the head tightly upward into engagement with the flange when the retracting cylinders are released. Pivotal cylinders will pivot the hooks between engaged and disengaged positions.

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