Wet scrubber tray

摘要

An improved wet scrubber tray provides increased resistance to vibration-induced cracking. The self-supporting tray eliminates wastage of raw material, and additional internal stiffeners added to the tray make multiple intermediate stiffeners. The connection of the intermediate stiffeners to the perforated bottom plate is changed to eliminate the shop weld in the bottom plate. The holes in the perforated bottom plate are moved away from the boundaries of the tray to reduce their influence on boundary conditions. Trays are held down by plate material that is attached to the support grid, but not to the trays. Three field welds are applied to the sides of each tray to hold the trays in place relative to each other and are strategically placed to allow adjacent side stiffeners to act together as a composite section. Elastomeric material is used at the tray-to-grid attachments increases the damping of the system.

主权项

1. A counter-current liquid gas contact device comprising walls defining an upright housing with a gas inlet and having means for passing gas upwardly therethrough one or more elevations of horizontally disposed trays comprised of perforated plates extending across the housing, each of the one or more perforated plates being perforated with substantially symmetrically spaced relatively large openings to form an open area through each of the one or more plates, adjacent ends of the perforated plates being secured to support members extending across the upright housing by a tie-down plate and interposed elastomeric material extending therebetween;
wherein each of the trays are provided with side stiffeners and plural intermediate stiffeners connected in between the side stiffeners, and wherein the side stiffeners of one tray are welded at an upper edge to side stiffeners of adjacent trays.