Cooling - Tower Make Up Water ^hot^
Manual blowdown is inefficient. Automated controllers monitor the conductivity (a proxy for total dissolved solids) of the system water. When conductivity hits a setpoint, the valve opens for blowdown. This ensures make-up water is not wasted by flushing too early, nor is the system endangered by flushing too late.
By treating make-up water management as a chemical and operational discipline, facilities can extend equipment life, reduce water consumption by 20-40%, and ensure safe, efficient operation. cooling tower make up water
The central challenge in makeup water management is . CoC represents how many times the dissolved solids in the circulating water are concentrated compared to the makeup water. For example, a CoC of 4 means the basin water has four times the mineral concentration of the incoming makeup. Higher cycles reduce blowdown volume and conserve makeup water but increase the risk of scale formation and corrosion. Low cycles waste water through excessive blowdown but keep the system cleaner. The optimal CoC is a delicate balance determined by the chemistry of the makeup water and the materials of construction. Manual blowdown is inefficient
You cannot manage what you do not measure. Installing accurate flow meters on the make-up water line and the blowdown line is essential for calculating CoC and identifying leaks. A sudden spike in make-up water usage often indicates a leak or a stuck float valve. This ensures make-up water is not wasted by
The quality of the makeup source is therefore paramount. Consider three common sources: