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If you read this book carefully, you can make any cooling tower design programs by yourself. See Figure 1 on page 3 for an illustration of the water being recirculated, added to, or lost from a cooling tower. November 2017 Water Efficiency Management Guide.
#Cooling tower design calculation xls how to
How to know the optimum cooling capacity of the tower. Water of high alkalinity, hardness, and conductivity can operate between 1.5-2.5 COC. Cooling Tower Makeup Returned Condensate # Blow down Present number Water Treatment Wastewaters Boiler Makeup Cooling Tower Makeup + Boiler Makeup Utilities 1200 people time 25 gallons/person/shift Count number of heads per zone multiply by rated capacity multiply by sprinkling time. For example, if the cooling tower is supplied with mains tap water, then the conductivity of tap water should be entered into this box. The theory of heat exchange in wet cooling towers is briefly summarized. The range at the exchanger is determined entirely by the heat load and the water circulation rate through the Compared with the use and waste of city water the water consumption can be reduced with about 90 - 95%. Factors Affecting Cooling Towers Capacity 6.
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If steam is coming in, or doing any kind of heating, you have to take the BTUs out at some point. Compared with the use and waste of city water the water consumption can be reduced with about 90 - 95%. As the water flows through the cooling tower, it is exposed to air, which is being pulled through the tower by the electric motor-driven fan. Evaporation loss = 0.00085 x 10 000 x (100-85) = 127.5 gpm Drift loss = 0.02% x 10 000 = 2 gpm Blowdown = /(5-1) = 29.87 gpm Cooling tower makeup water = 127.5 + 2 +29.87 = 159.37 gpm Reference: Perryâs Chemical Engineersâ Handbook This title is available in metric units only. Cooling tower makeup water calculation xls Source : Energies Free Full Text Carbon And Water Footprint Of Energy -> Source : B = Blowdown loss.