Sand Filter System consists of one or more standard high-speed filtering units that can effectively remove particles and reduce turbidity.
Working Principle
Filtration Processing
Raw water enters from the filter inlet (1) and percolates through the filter bed (2). Suspended materials come into contact and attach to the media particles. Clean water flows through the filtration nozzles (3) and out of the filter via the outlet (4).
Cleaning processing
Pressurized water flows in the reverse direction- from the nozzles upwards, causing the filter bed suspension, thus releasing the suspended matter from the bedding. The dirt particles are then washed out of the filter through the back-flush valve.
When the pressure differential switch senses that the differential pressure across the system reached a pre-set value, a signal is sent to the flushing controller. The self-cleaning process begins.
