Hold-down grid

D. Hold-Down Grid (see Figure 3). According to Strigle, Normally, the upper surface of the packed bed is at least 6 in. below a liquid distributor or redistributor. The bed limiter or hold-down plate is located on top of the packed bed in this space. It is important to provide such a space to permit gas disengagement from the packed bed. Such a space allows the gas to accelerate to the velocity neces-... 

Liquid distributor/ redistributor Hold down grid... 

Standard hold-downs (such as subway grating) can be used with structured packing. As an alternative, rods can be used to tie a hold-down grid and packing support grid together. 

Select wire mesh pads 4 to 6 inches deep. Indicate that the mesh is to be sandwiched between a light-weight bottom support (1 inch deep) and a top hold-down grid (1 inch deep). 

Liquid distributor Hold-down grid Structured packing... 

Hold-Down Grid — Random Ring Packing... 

Packaging support grids Hold down grids Packing Demister Agiiaior ... 

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