The turbulent zone at the band inlet produces an arc-filter effect, which keeps the filter paper free of dirt and hence permeable at this point. The particles settle in the non-turbulent arc of the filter reservoir, to form a cake. The cake itself acts as an additional filter media layer, thereby enhancing the filtration effect even further. A pool forms gradually as the particle deposits build up on the paper. Depending on the type of filter, high hydrostatic pressure difference is produced in this way which helps to ensure that the filter paper is used with maximum efficiency. As the open area of media reduces, the maximum preset level in the tank is reached, geared motor switches on and pulls new filter paper from the reel, The filtration from the fresh media paper starts, level in the tank sinks and the conveyor stops automatically. At the same time the sludge and used filter paper are discharged on the other end of the tank.
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Separation Engineers, India (Separation Engineers, India)
Plot No. A/270, TTC Indl. Area, MIDC, Mahape, Thane Belapur Road, Navi Mumbai - 400701, Maharashtra.
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