Our innovative Dortmund Cone Secondary Settling tank offers our clients the following advantages:
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A cost effective and general purpose sloping floor clarifier for the settlement and removal of all types of sludges where a smaller diameter clarifier will suffice.
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The circular tank floor is sloped with an incline of up to 60ยบ.
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Mechanical equipment consists of a stationary bridge spanning the full tank. The inlet column and flocculation chamber and scum removal equipment is suspended from the bridge.
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Sludge is collected in the tank centre from where it is discharged under hydrostatic head to an external collection chamber.
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Control of the sludge withdrawal rate may be achieved by adjustable telescopic bell mouth, sluice or gate valve.
The latest innovation in clarifier process design is incorporated into all the above mechanical equipment. Specific design features include an optimisation design package incorporating;
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Hydraulically assisted flocculation in the inlet column consisting of:
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Inner and outer flocculation passage.
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Directional outlets.
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Large diameter flocculation chamber.
Automatic scum/fat removal in the flocculation chamber.Extended depth of sludge scrapers to prevent sludge carry-over.Stanford baffles on the tank periphery to prevent short-circuiting. Materials of construction selected in accordance with process and Client requirements
