DECANTER
DECANTER
DECANTER
Our product range in the area of decanter
The floating clear water abstraction system is innovative, robust and has been further developed on the basis of long-term experience in wastewater treatment plant construction. The abstraction system excels by its easy operation and highest reliability.
The decanter consists of a floating body and a weir located under the floater. The floating body is stabilized horizontally. Limitation supports determine the lower abstraction point and prevent that the mechanics are damaged when the SBR reactor is drained.
Specific features of clear water abstraction
- The specific structure of the valve control ensures that the floating clear water abstraction system lies exactly on the water level at all times.
- The arrangement of the weir under the floating body prevents the removal of sludge or other floating bodies.
- If the “decanting” or “decanting and removal of excess sludge” is not activated, the discharge valve of the decanting pipe is closed and the compressor activated.
- In the decanter an air bed is produced by the compressor that is sufficient to lift the inner spill threshold out of the water. The decanter is lifted as high that even during the ventilation phase activated sludge cannot access the area of the discharge tube.
- While decanting the air supply is stopped, the air bed is not kept and the spill threshold sinks under water level. Since the discharge valve is opened at the same time, the clear water can be drained free fall from the SBR reactor.
Further advantages at a glance
- Fail-safe and reliable technology (Cyklar system)
- Safe retention of floating bodies
- Limitation support for the lower abstraction point
- Different standardized frame sizes
- Simple, robust stainless steel structure
- Measurement and control technology and compressor outside the tank
- Monitoring of air cushion via flow meter
- Free-fall clear water abstraction
- Very good price/performance ratio
Description
Q dimensioning
Q max.
Diameter of floater
Diameter of weir threshold
Diameter of drainage pipe
max. waterlevel difference
Weight
Unit
m³/h
m³/h
mm
mm
DN
mm
kg
SDK 150
250
350
1000
900
150
3200
350
SDK 250
600
700
1800
1400
250
3152
490
SDK 350
875
1100
2400
2000
350
2828
930
SDK 450
1190
1430
3000
2600
450
2828
1250
Application
- Municipal wastewater technology
- Industrial wastewater technolgy
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