| Products > Water treatment Equipment > Filtration System >> |
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| Pressure sand filter:- |
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| Introduction:- |
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| Pressure sand filter is highly recommended for the removal of suspended & visible impurities like sand, dust particles & heavy metals etc.PSF is an ideal solution for the systems with high sediment, silt, sand, and turbidity. |
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| Basic Structure :- |
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| A typical pressure sand filter consists of a pressure vessel - this could be either vertical or horizontal-fitted with a set of frontal pipe work and valves, graded sand supported by layers of graded under bed consisting of pebbles and silex, a top distributor to distribute the incoming water uniformly throughout the cross section of the filter, and an under drain system to collect filtered water. Fig shows the arrangement of a vertical and horizontal pressure sand filter. |
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Working Principle:- |
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| In sand filters water enters in the filter and percolates through the filter bed. Suspended matter present in the water comes in contact with the media particles and is trapped on the top of the bed. Followed by this, clean water comes out through the filtration nozzles and through the filter outlet. Periodically cleaning of this filter is done by backwashing. Water is introduced in the reverse direction of the service flow that is from the outlet nozzle upwards causing suspension of the turbid material in the filter bed & finally flushing out through the backwash valve. The Filter is then down rinsed & clear water is taken in the system. |
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Applications:- |
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- Pretreatment to all forms of Industrial water treatment
- Potable Water treatment
- Filter high quantity of water
- Thermoelectric power plants
- Irrigation & farming
- Aqua culture
- Tertiqary treatmernt
- RO pretreatment
- Swimming pool water
- Filtration of gray surface water
- Pre filtration for membrane systems
- Filtration in swimming pools
- Production of drinking water
- Treatment of waste water
- Preparation of cooling water
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Advantages:- |
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- Easy to operate
- Requires least maintenance
- Excellent filter quality at higher flow rate than conventional ones
- Low pressure drop
- Required Less Space
- A single unit elevates and separates oil
- Lifts oil any distance without the need of expensive pumps
- Maintains skimming efficiency with fluctuating fluid level
- Can be used in depths as shallow as one foot, or as deep as 100 feet
- Requires no tank modifications in most applications
- Operates in turbulent liquid using optional tail pulley cage and tether assembly
- Easy mounting and fast cleaning, with minimal maintenance
- Inverter control drive for precise operation control and safety
- Minimum Maintenance.
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