HELYX offers belt filter presses with a drum thickener HELYX LFP BS, which is equipped with a preliminary drum thickener with a screw inside, mounted at the top of the unit, and performs preliminary separation of suspended solids from liquid. The plant is capable of receiving sludge with a very low concentration of suspended solids (0.5-1%).
Belt filter presses with a drum thickener are used as the main equipment for domestic wastewater treatment plants.
After thickening, the sludge (concentration 5-15%) enters the dewatering zone, where it is evenly distributed over the filter belt using a distribution system. After that, as the tape passes between the rollers, compression and subsequent separation of the sediment occurs. The degree of dehydration achieved is determined by the transit time and the width of the gap between the belts.
Both of these parameters are adjustable. At the outlet of the filter press, the sludge reaches a concentration of up to 25-30% by dry matter. Thus, the HELYX belt filter press of the ZDY type has two functions: concentration / thickening and sludge dewatering, due to which its productivity is higher than that of similar units without a built-in thickener.
in Russia, with an area of 15,000 m2
in the market of water treatment and wastewater disposal
products are released annually
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