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· PDF filean average boiler efficiency of 82%, and make-up water temperature of 55°F. The water and sewage costs for the plant are $0.002/gal, and the water treatment cost is $0.002/gal. The fuel cost is $3.00 per Million Btu (MMBtu). Assuming a 12% flash steam loss*, calculate the overall annual savings. Annual Water, Sewage, and Chemicals Savings= (1 â€“ Flash Steam Fraction) x (Condensate Load in lbs/hr) x â€¦

lexie@zozen.com > Get A Quote >· PDF fileT here are a few ways to calculate the percent condensate return in a boiler system. One simple way would be if you had both a makeup and a feedwater meter. The difference of the two numbers divided by the feedwater multiplied by 100% would be the percent condensate return (of feedwater). If you do not have this luxury, then you can use the conductivities to calculate percent condensate return (of â€¦

lexie@zozen.com > Get A Quote >The following table gives a maximum energy saving percentage of 9.1%. It is estimated that after losses and blowdown only ¾ of the condensate can be returned. The amount of energy that can be saved is then 9.1% x ¾ = 6.825%. The actual energy saving is thus $200,000 x 6.825/100 = $13,650.

lexie@zozen.com > Get A Quote >Summary of reasons for condensate recovery: Water charges are reduced. Effluent charges and possible cooling costs are reduced. Fuel costs are reduced. More steam can be produced from the boiler. Boiler blowdown is reduced - less energy is lost from the boiler. Chemical treatment of raw make-up water is reduced. Figure 14.1.5 compares the amount of energy in a kilogram of steam and â€¦

lexie@zozen.com > Get A Quote >Calculate the total condensed liquid flow based on the heat load from the process reactor. This is determined by dividing the total heat removed by the system by the latent heat contained in the steam. The calculation is 30,000 / 794, which is 37.8 lb/hr of liquid condensate. Things You'll Need. Spirax-Sarco: Condensate Recovery. About the Author.

lexie@zozen.com > Get A Quote >If 1 t/h of steam is supplied to equipment for a heating process, then the same amount of condensate (1 t/h) needs to be discharged from the equipment. Condensate recovery is a process to reuse the water and sensible heat contained in the discharged condensate. Recovering condensate instead of throwing it away can lead to significant savings of

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