Cooling Tower Control eliminates excess chemical feeds.
June 25, 2009 -
Comprised of Model 22 Controller, Model PHS10 pH sensor, and Model CS10 conductivity sensor, Model 2122 Cooling Tower Control System applies various chemicals to prevent corrosion, scaling, and fouling. Rack-mounted, plug-and-play system controls acid feed, blowdown, and inhibitor feed in cooling processes. Timer-based overfeed function locks out blowdown cycle or acid/base feed function, and triggers process alarm if acid feed or blowdown cycle proceeds longer than predetermined cycle time.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
Electro-Chemical Devices, Inc.
23665 Via Del Rio
Yorba Linda, CA, 92887
USA
Intelligent Cooling Tower Control System Eliminates Excess Chemical Feeds to Cut Costs
Ideal For Oil/Gas Refineries, Chemical Plants, Electric Power Generation, Food/Beverage, Institutional Facilities and Semiconductor Fabs
Yorba Linda, CA-June 16, 2009-Plant operators with Cooling Towers who struggle with the twin demands of continuously reliable operation versus maintenance costs will find the new rack-mounted Model 2122 Cooling Tower Control System from Electro-Chemical Devices, Inc., reduces waste and cost by eliminating expensive excess chemical feeds.
Water-based wet Cooling Towers are commonly made of concrete, steel, or fiberglass and operate based on the evaporative principle of cooling. They are widely utilized in the process industries as well as in HVAC systems supporting large institutional or commercial buildings. Various types of corrosion from common rust to scaling and fouling are a constant maintenance concern, which requires expensive chemical treatment with biocides and corrosion inhibitors that also create pollutants.
ECD's new plug-and-play Model 2122 Cooling Tower Control System (CTCS) is designed to apply the various chemicals utilized to prevent corrosion, scaling and fouling. A biocide timer is built into the system for ease of maintenance. It is simple to install, set-up and operate right out of the box. The Model 2122 is an integrated system, which controls acid feed, blowdown and inhibitor feed in cooling processes. Acid feed is controlled via pH monitoring, blowdown is controlled via conductivity (TDS) and the inhibitor is fed on a user selected time basis.
The highly advanced Model 2122 CTCS features a unique timer-based overfeed function that locks out the blowdown cycle or the acid/base feed function. It triggers a process alarm if the acid feed or blowdown cycle proceeds longer than the operator's predetermined cycle time. The overfeed alarm function allows plant operators to prevent excessive harsh chemical treatments, which are costly and also over time can affect the life of the tower, piping, pumps and other ancillary cooling system equipment.
The advanced Model 2122 CTCS consists of ECD's Model 22 Controller, a Model PHS10 pH sensor and a Model CS10 conductivity sensor. The C22 Controller is an intelligent analyzer with control logic and failsafe interlocks, which are utilized to inhibit excess chemical feed. Both the period and dose time are easily controlled by the system operator via a backlit LCD graphical display with membrane switch touch control. The C22 features four SPDT relays and is rated NEMA 4X for rugged environments. An optional digital input card also can be added to alarm no-flow conditions for extra safety.
The PHS10 pH sensor and the CS10 conductivity sensor are easily installed and serviceable insertion style devices. Their signal conditioned outputs provide a reliable noise-free signal to the C22 Controller's analyzer for precise measurement and control. The PHS10 measures pH from 0 to 14 pH at 80C and withstands pressures from 0 to 100 psig. The CS10 measures conductivity from 500 us to 20 ms at 80C and withstands pressures from 0 to 100 psig.
About Electro-Chemical Devices
Electro-Chemical Devices (ECD) is a manufacturer of liquid analytical process instrumentation. Founded in 1977, ECD has been in business for over 30 years and has built its industry leading reputation by its commitment to customers through this basic approach: Provide quality products, develop technical innovations and provide responsive, knowledgeable service.
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User comments about this story
corrosin rack
please recommand us for corossion rack i want install rack in my system
By LHSF pilibhit sugar factory on Jul 14, 2009 07:47
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