Drum Thickener
Filter drum as a thickener is the alternative to the static thickener, centrifuges, and flotation for thin sludge and statically pre-thickened sludge of throughputs of up to 120 m3/h. The optimum result can be obtained at high throughput performance, while achieving a maximum possible degree of thickening at minimal return load and lowest operational cost, in continuous operation.
The degree of separation is normally in the region of 99%, which means that filtrate practically free from solids can be returned to the sewage process/ for cleaning the machine so as saving water.
Plant feature and advantages:
- Single or dual drum unit, with double drum plants, separate drum drives possible
- Compact and sturdy plant construction, requiring little space as well as compact sealing prevent emissions
- Minimal maintenance due to conveniently accessible lubricating points and easily exchangeable filter fabric
- Setting of optimum flocculation parameters with the aid of the sludge to flocculation ratio and low running cost due to low flocculent consumption
- Hydraulic relief of the digestion chamber tank to high degree of thickening in the case of thin sludge
- Monitoring units with automatic switching – off device and incident report
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