| 摘要 |
An induced draft, wet-dry cooling tower is provided having fog abatement and water conservation properties wherein upright, indirect type and crossflow, evaporative type heat exchange structures connected in serial water receiving relationship are located on opposite sides of a plenum chamber therebetween which in turn is in communication with an overhead air flow inducer, whereby air drawn through opposed heat exchange structures meets and comingles in the plenum chamber throughout the entire vertical extent thereof thus assuring maximum mixing of the wet and dry air streams before discharge thereof into the ambient atmosphere. Both heat exchange structures are supported at grade thus minimizing costs and permitting delivery of water to be cooled to the lower part of the indirect heat exchange structure which negates the necessity of providing main pipe risers as has heretofore been necessary in wet-dry towers. Dampers may be provided if desired in association with one or both of the heat exchange structures to permit selective variation of the amount, if any, of cold air from the atmosphere allowed to enter and flow through respective heat exchange structures.
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