VARINA,
IOWA
COMMERCIAL AIR CHARGER SYSTEM
| After
demolition of existing antiquated equipment, a 50 gallons per minute
"Air Charger" iron reduction system was supplied and installed
the existing water plant in 1996 by Krudico professionals. The Air
Charger was installed to treat the public water supply of the small
community. The Air Charger has succeeded in removing 99% of the iron
from the town's water.
Also seen in the foreground of the Air Charger are two Stenner peristaltic chemical feed pumps to provide adequate chlorine and fluoride for bacterial treatment of the community water supply. |
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| The
Air Charger iron reduction system consists of one air injection/retention
tank (above photo) and a series of five backwash sand filters. The
filters are controlled by a Systemax 2000 Programmable Logic Controller
which monitors the gallonage through the system, controls the chemical
feed pumps, and determines when the system needs backwashed. The system
also utilizes a 1,000 gallon pressure tank before the water goes to
the public. |
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| The
Systemax 2000 programmable logic controller (PLC) is the electronic
device which controls the system. Some of the Systemax 2000's responsibilities
include demand meter input signal, regeneration time and sequence,
capacity, the chlorinator and fluoride pump output signals, system
flow rates, system totalizer, and a variety of other programmable
options. |
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| This
system utilizes five Fleck 2900 Metered Backwash Valves and 24"
diameter fiberglass pressure vessels. The process piping consists
of 2" inlet/outlets on each of the valves. The Air Charger can
be seen to the right of the sand filters and the Systemax 2000 is
located on the back wall of the building behind the first and second
vessels. |
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KRUDICO, INC.
Phone: 712-688-2284
FAX: 712-688-2263
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