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Decanters HAUS – industrial decanters (centrifuges) for dewatering

A centrifuge decanter; consists of a solid cylindirical bowl rotating at high speed, a scroll rotating at the same axis with a slightly different speed, a drive group adjusting the speed difference and the body which carries all the rotating elements.

Liquid and suspended solids are fed along the centre line to a distribution room within the bowl and then accelerated into the bowl by centrifugal force through the feeding point. This centrifugal force then causes the suspended solids to settle and accumulate at the bowl wall.

Sludge cake is discharged by scroll from the conical part meanwhile clarified liquid flows back along the bowl and is discharged through the cylindirical end of the bowl by plates which can adjust the level of clarified liquid.

Centrifuge decanters are applied for separation of liquid mixtures, separation of solid-liquid mixtures, dewatering, thickening, classification of solid-liquid mixtures and extraction of components.

You can see video about HAUS decanters


 декантеры haus

Main specification of HAUS decanters (centrifuges)






Bowl diameter, mm


Max. rpm


Max. G force


Ratio L/D

DDE 2342

2 — 5





DDE 3532

3 — 9





DDE 3542

6 — 15





DDE 4732

12 — 25





DDE 4742

20 — 35





DDE 5342

15 — 60





DDE 6542

25 — 100





DDE 8242

50 — 150





Bowl Group

The bowl is cylindrical / conic and rotates at a pre-adjusted speed most appropriate for the application. Suspension rotates at processing speed along with the bowl and forms a concentric layer at bowl perimeter. Solids available in the suspension accumulate at bowl perimeter with centrifugal force. The length of the cylindrical section of the bowl and the conic section angle are adjusted as per the specific condition of each application.

Spiral Group

Spiral rotates at a slightly different speed than the bowl and conveys the accumulated solids to the end of the conic section of the bowl. If the physical properties of the mixture change, it is possible to support HAUS decanters with a different spiral design or by modifying the existing spiral. Spiral step or single or dual wound spiral configurations are significant design variables.


HAUS uses high quality stainless steel on all surfaces that the processed materialcomes in contact with.

Wear Protection

HAUS decanters offer a wide range of wear protection products to be applied on many areas where they are utilized:

  • Tungsten Carbide coating with plasma spray
  • Ceramic
  • Sintered Tungsten Carbide plates
  • Polyurethane

Wear protection parts are in-place replaceable in order to save on maintenance costs of applications where high abrasive products are processed.

Bearing and Lubrication

Special selection and order of bearings ensure long machinery life and exceptional reliability. Central lubrication system delivers grease or oil to the bearings. The lubrication system changes depending on the operation mode, e.g. sectional or continuous operation mode and depending on the automation level of the whole system.

Leveling Plates

Treated liquids flow over the leveling plates and move forward to the end of the cylindrical section of the bowl of which they’ll be delivered to. Easily adjustable sensitive leveling plates enable the pool depth of the bowl to be adjusted precisely. The liquid overflowing from the plates is extracted with gravity from central outlet reservoir.

Drive Systems

HAUS applies advanced engineering techniques to accelerate the decanters to high speeds in safe.

One of the most important key factor for decanters is the differential speed. Differential speed determines the amount of moisture hold in the separated solids and the clarity of the centrate. This speed can be adjusted according to the required product characteristics.

Control and Automation

Automation of HAUS decanters enables personnel- free operation. In addition to the operating variables of the decanter, below functions can be also monitored from main control room:

  • Bearing and lubrication temperature
  • Bearing and main structure vibration
  • Gear torque or the control of differential speed with respect to torque
  • Leakage control for isolated systems
  • Turbidity control for centrate monitoring


Decanter provides the advantage of high efficiency operation compared to traditional separation systems. It was necessary to develop continuing systems in order to reduce the increasing company costs and for the growing industry to be able to adjust itself to the acquired achievements.

очистка воды   Очистка воды самара



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