There are many variables in sizing industrial water softeners beyond the scope of the water softener calculator below. Water pressure, temperature, flow rate and cubic feet of resin per tank are all variables that also have effects on water softener sizing and are not considered here. These guides are to be used for quick estimates only.
–4 - 6 gpm/ cubic foot for boiler quality soft water –2-20 gpm/ square foot (based on surface area of resin bed) • Bed Limitations –2- 8 feet of bed depth –Max. 25 psi pressure drop across the resin bed • Inlet Contaminants (limits for best life) –0.3 ppm free chlorine –1.0 …
How to Calculate Resin Capacity for Softener | Softening
A boiler operating 24 hours per day will require soft water at all times. Therefore, the design will require the use of two or more units. On systems operating 16 hours per day, the use of a single softener may meet the needs of the operation.
Aug 26, 2020 · Small water softeners may have a different distributor design. Typical specifications for cation resin. Resin capacity: 22-28 kilograins/cubic foot of resin (older resin will have the lower capacity) Salt use (NaCl): 6-10 lbs per cubic foot of resin (8-9 lbs. is common) Flow rates. Service flow: 2-4 gpm/cubic foot of resin; Backwash flow: 6 gpm/square foot of resin (dependent on water temperature)
Jul 14, 2020 · Therefore, the water supply contains 1.93 grains of hardness per gallon of water. Find the capacity of your softener resin in gallons of water before resin regeneration is required. Convert the resin bed to grains capacity by using the identity that 1 cubic foot of resin equals 32,000 grains capacity.
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above calculation is wrong. 1. Resin Qty.= Plant capacity*raw water hardness/Exchange factor (55). = (2*24*8450)/55 = 7375ltrs (Theoritical) Practical value = (2*20*8450)/55 = 6145 Ltrs (Approx. 6150) 2. 150 gram Nacl/Litre of resin qty. = (150 gm*7375)/1000 = 1106 kg Salt (Theoritical) Practical value = (150 gm*6150)/1000 = 922 kg salt required.
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Water Softener Sizing Calculators | Nancrede Engineering