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Rotary Drum Screen Introduction

Rotary Drum Screen

ROTARY SCREEN is used for solid/liquid separation for high flow rate and combine two operations: filtration and compacting. They feature a screen basket, perforated pores or wedge wire, that act as a filter and rotating with the transport screw, followed by the transportation that ends with a compacting modulus. Screenings are conveyed by a shaft screw until the compacting/dewatering section where both volume and weight are reduced (up to 40%).

Rotary Drum Screen Principle

*The different Rotary Drum Fine Screen has Perforated Plate or Wedge-wire models, from 0.5mm-12mm, more models are available to make custom-design equipment, contact our reps. for more details.


■ Low headloss – High separation efficiency
Due to the drum's shape and 35° installation the screen area is much larger than that of a vertical or steeply inclined screen, which results in a low headloss, high separation efficiency and maximum throughput.

■ No by-passing
The entire flow enters the screen drum through its open front end and can only leave the drum through its screen area. This prevents plant overflow and guarantees that the screenings are always retained within the screen drum.

■ Several functions combined in one system
Perform the functions of screenings removal, transport, washing, dewatering and compaction in a single space saving unit.

■ Retrofitting
The design of the RO Screens allows for later modification so that the systems can be adapted to changing requirements. The heating and/or integrated screenings washing can be retrofitted. The bar spacing can also be reduced to meet more stringent requirements.

■ Low maintenance
No lubrication. Regular checking and visual inspection are sufficient.

Rotary Drum Screen Parameters

  • Installed directly in channel/separate tank

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  • Ideal protection for membrane tanks

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  • Pretreatment Screen for varies industries

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