From Shubham : www.shubhamindia.com
Side Stream Filters normally used for industrial cooling tower. Cooling Towers, by design, flush airborne contamination such as biocides, heat, slime or silt into the TN Pas Cher system, where they deposit on heat exchange surfaces. Suspended matter in the cooling water also supplies living microorganisms with a constant food source for sustaining life and multiplying. Shubahm provide suitable cooling tower
Side stream sand filter which can remove all the physical contamination from the water which affects the life and efficiency of the cooling towers system.
Advantages and Features
Efficient Turbidity and TSS Removal
Filtration up to 20 - 30 Microns
FRP, CS, MSEP, SS Vessel available
ASME Pressure Vessel is also available
Standard and TN Pas Cher effective media
Low Pressure drop across the vessel
Air scouring available for high flow pressure vessel
Automatic Valves are provided as per customer need
Manual, Semi Automatic and Automatic features are provided
Installation
A Condensed Water Piping Side Stream Sand Filter
B Cooling Tower Basin / Pond Side Stream Filtration
Synonyms
Cooling Tower Sand Filter
Tower Filter
Cooling Tower Filter
Clean stream Filter
Cooling Tower Water Filter
Side stream sand filter
The purpose of sidestream filtration of a recirculated cooling system is to:
� Reduce the amount of fouling in heat exchangers and other plant and, therefore, reduce running costs.
� Decrease downtime of the units.
� Reduce chemical treatment cost. Increase cycles of concentration in the circulated water system.
� Increase cycles of concentration in the circulated water system.
And, in power stations with large cooling towers and flow rates, clean water is essential.
Filtration accomplishes this task by removing organic matter, airborne dust, sand, silt, scale deposits and turbidity from the circulating water. The sidestream being filtered is only a small portion (usually about 3-5%) of the circulated water from a cooling tower. An important point is that the goal of sidestream filtration is to improve the circulated water so that satisfactory heat transfer may be achieved over longer run lengths on the process units. No attempt is made to make drinking water or achieve 100% removal offoreign matter from the water. The best proof offered for improvement of heat transfer in circulated water systems is the increase in the amount of time between turnarounds on process units. Without a sidestream filter a unit is sometimes down every 90 days Nike Requin or so in order to clean heat exchangers. With a sidestream filter, however, the average is better than three years between turnarounds.
The AGF Autonomous Valveless Gravity Sand Filter from Superior Filtration Ltd. treats the entire cooling water system and can remove up to 98% of suspended solids ingested by the cooling tower, and thus solving the major problem encountered in open circuit cooling systems. This fine material accumulates in the system and can only be partially removed by blowdown. Efficient sidestream filtration is the only way to keep the water clean. The filtration rate is set to ensure that solids removal equals solids ingress with resultant water quality normally at around 5 mg/Lsuspended solids.
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