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AFS Cooling Tower Automatic Filtration System

AFS Cooling Tower Automatic Filtration System

AFS series self-cleaner - Cooling Tower Automatic Filtration System, stably and effectively control suspended solid in cooling tower circulating water in the effort of minimizing legionnaire’s disease.

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AFS Cooling Tower Automatic Filtration System


AFS series self-cleaner, the advanced Automatic Filtration System design to stably and effectively control suspended solid in cooling tower circulating water in the effort of minimizing legionnaire’s disease, especially useful for the dusty environmental, and further reducing chemical usage needed for the system, saving energy and resources.

 

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Working Principle


When the AFS filtration system is in operation, it will pump out a portion of the circulating water for filtration without disturbing the main circulation line. The impurities in the system are filtered through gradual and multiple cycles of interception, and finally removed from the system through necessary backwash.  This design can effectively reduce the burden on the filter, improve filtration efficiency, and reduce operating costs.

1 Turbulator nozzles speeds up the water circulation, prevent impurities from settling and keep basin clean.
2 Filtered outlet water is distributed via turbulator nozzles into water basin.
3 Basin drain outlet connected with AFS for collecting sewage water into filtration system.




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Benefits


Improve water quality and reduce energy consumption
Effectively remove suspended matter, impurities and some dissolved substances in water, significantly improve water quality.
Reduce scaling and corrosion, improve heat transfer rate and reduce energy consumption.

Equipment protection, prolong the service life
Further preventing algae blooms, bacterial growth and other problems in the water system.
Ensuring the stability of the water quality in the cooling tower can also prevent equipment failure and shutdown caused by the deterioration of water quality.

Reduce operating and maintenance cost
Reduce chemicals dosage of water treatment, reduce frequency of heat exchanger cleaning and prevent the failure and shutdown of equipment to reduce operating and maintenance cost.
Environmental protection, energy conservation and emission reduction
Reuse of recycled water and sewage pretreatment can save total water consumption, improve water quality and reduce the pollution of the environment caused by the direct discharge of sewage.

 



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Features


  • Solid and liquid of circulating water can be efficiently separated after the primary filtration.
  • The secondary filtration supports to remove trace fine impurities in the liquid to achieve further purification.
  • Backwash is the necessary link for ensuring the continuous high-quality filtration, it can effectively remove impurities in the filtration, restore the system to efficient filtration performance, and extend the service life of the equipment.
  • Siemens PLC automation/intelligent controller can remotely control multiple cooling tower equipment, convenient and simple operation.
  • Ease of maintenance, just regular inspection.

Main Parts

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Power Source
Centrifugal pump with stainless steel impeller, Large flow, high head, stable operation for driving fluid circular flow.

Solenoid Valve
Precisely controls the opening and closing of the filter pipeline, as well as the flow, direction and speed of the circulating water.

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①The Primary Filter is an excellent pre-filtration device, efficient and stable solid-liquid separator which can be used in conjunction with ②The Secondary Filter that is large flow, high capacity for removing trace fine impurities in the liquid, to obtain better overall filtration performance, reduce filter material consumption and material emissions.
 

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Control Center
Siemens PLC controller, automatically receiving, processing and executing various control instructions to ensure the normal operation and efficient filtration of the filtration system.

TECHNICAL PARAMETER

Model AFS-50 AFS-65 AFS-80 AFS-100 AFS-125 AFS-150 AFS-200 AFS-250 AFS-300
Cooling Tower
 Water Flow
150-210 250-350 375-525 590-825 915-1290 1310-1860 2330-3330 3660-5190 5330-7500
Screen Filter 50-100 50-100 50-100 50-100 50-100 50-100 50-100 50-100 50-100
Micron Micron Micron Micron Micron Micron Micron Micron Micron
Pump 2.2 4 4 5.5 7.5 15 30 45 75
(SUS304 impeller) kw kw kw kw kw kw kw kw kw
Control Cabinet Siemens PLC 
controller
Siemens PLC 
controller
Siemens PLC 
controller
Siemens PLC 
controller
Siemens PLC 
controller
Siemens PLC 
controller
Siemens PLC 
controller
Siemens PLC 
controller
Siemens PLC 
controller
Dimension L 2 2 2.1 2.3 2.5 2.6 3 3.5 4
W 0.8 0.8 0.8 1.2 1.5 1.7 2.1 2.8 2.8
(m) H 1.6 1.7 1.9 2.1 2.3 2.7 3.5 3.7 4
Weight 150 229 310 485 728 1140 2032 2999 4349
(kg)

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