Hold-down device for vertically movable member in apparatus...

Details Hold-down device for vertically movable member in apparatus... Hold-down device for vertically movable member in apparatus...

B - Operations, Transporting

01

J

23/405

B01J 8/02 (2006.01)

Patent

CA 1107038

- 1 - BEN G. BURKE DOUGLAS J. LEGG HOLD-DOWN DEVICE FOR VERTICALLY MOVABLE MEMBER IN APPARATUS WHICH CONTAINS CONTACT MATERIAL ABSTRACT OF THE DISCLOSURE In an apparatus for contacting fluid with subdivided contact material, such as a radial-flow catalytic reactor, means having a substantially horizontal surface is attached to a lower portion of a vertically movable member within the reactor, the member being selected from center pipes and particle-retaining screens. The weight of contact material on the means restrains upward movement of the member during temperature cycling, and thus prevents problems caused by the upward movement.

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