03-07: Crossflow to Counterflow Natural Draft Tower Conversion Deposit Control

03-07: Crossflow to Counterflow Natural Draft Tower Conversion Deposit ControlThis paper describes the turnkey conversion of an existing Marley Class 700 natural draft cooling tower at Mirant Mid Atlantic LLC's Chalk Point Generating Station in Southern Maryland, USA from a crossflow configuration to a counterflow configuration. The work involved demolition of the severely degraded crossflow cooling heat exchange system and installing an all new composite fiberglass support structure, low fouling PVC film fill, high efficient

Better economy

more recently

as it can meet multiple requirements imposed by environmental

performance data

illustrates damage caused to mechanical components and recommends prevention

and manufacturing errors

by using cooling towers rather than

for use as fill and cladding in cooling towers

24" layers vs

This design which may be back-fitted to existing natural draft cooling towers reduces the water loading and increases the air flow

Use of VFD controlled direct drive motors yielded additional power savings of $3

the high price of carbon fiber at that time precluded industrial applications