Description

The Internal-feed Rotary Drum Screen is composed of a tank and a spiral connected to the drum for the transport of screening. The screen is composed of a perforated plate or wedge wire whose holes diameter is as big as the desired openings size. The drum is supported by nylon wheels, and it is operated by a gearbox. The filter is fed through a nozzle placed in the front of the machine. The nozzles spread the water on a large area of the screen which, rotating, separates water from the organic particles contained. The filter is cleaned by means of a washing system composed of a tube equipped with spray nozzles for pressure water.

During the screen operation, the water is conveyed towards the outlet placed in the front of the machine, while the screening is transported through the spiral towards the screening outlet installed in the back of the machine. The screen special inclination towards the outlet contributes to the dewatering of screening. The screen is equipped with a by pass nozzles protecting the filter from overflows, and with an optional arrangement for an overflow probe.

Applications

The machine is very suitable for pretreatment of Municipal and industrial waste water.

Technical parameters

Advantages

1.Operational Principle: Gentle and complete lifting of screenings and rocks from the channel floor 

2.Outstanding Hydraulics: Highest flow / lowest head loss of its class

3.Great Capture Rate: High separation efficiency due to narrow slots, further

4.Spray water or brushes are optional.

5.Odor Control: Fully enclosed screen

6.Maintenance: No need for regular lubrication

7.Reliability: Low susceptibility to jamming by grit, gravel and rocks

8.Overload-protection with rocker arm and proximity switch

9.Durability: Sturdy design, Made of stainless steel

10.Experience: Unsurpassed for more than 10 years; hundreds of installations

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