Rotary Drum Screen

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A device for precise mechanical treatment of industrial and municipal wastewater. The drum’s filtering surface is made of perforated steel or woven mesh, enabling effective capture of fibrous and organic contaminants such as feathers, down, wool, hair, or meat membrane.

Application

Rotary drum screens are used in the process of preliminary mechanical treatment of raw wastewater in both municipal and industrial facilities. Their main function is the effective separation of solid contaminants before the wastewater stream is directed to subsequent treatment stages.

Thanks to their compact design, low energy requirements, and minimised wash water consumption, these devices are particularly well suited for small- and medium-capacity wastewater treatment plants.

Areas of application for ESMIL Rotary Drum Screens:

  • wastewater treatment in the food industry,
  • wastewater treatment in the processing industry,
  • preliminary treatment of municipal wastewater.

Area of application of Rotary Drum Screens:

  • Wastewater treatment for the food and processing industry.
  • Treatment of wastewater with a high content of solids including fiber, wool, feathers, and films.
  • Industrial and domestic wastewater treatment plants.

Esmil Rotary Drum Screen is an ideal solution for fine wastewater treatment.

Effective fine treatment, reliability and high throughput make Rotary Drum Screens a leader in their class.

The perforated sieve or woven mesh used to manufacture the filter cloth allows efficient removal of impurities from drains. The screens are characterized by low consumption of flushing water and electricity due to the use of energy-efficient components and a well-thought-out control system.

Technological advantages of ESMIL Rotary Drum Screens

  • Drum filtering surface made of perforated steel or woven mesh enables effective capture of fibrous and organic contaminants such as feathers, down, wool and hair.
  • Woven mesh with 0.5–1 mm openings allows efficient removal of fine contaminants, which is particularly important for further treatment using MBR technology.
  • Compact design – functional units are conveniently integrated into the body, ensuring organised installation, easy service access and high system tightness.
  • External mechanical brush effectively removes contaminants from the filtering surface.
  • Internal flushing system with wash water nozzles ensures thorough cleaning of the filtering surface, ensuring stable operation even in the presence of fats and petroleum compounds.
  • Integrated overflow system protects the device against overfilling in case of hydraulic overload.
  • Electrical protection against overloads and voltage surges guarantees stable and safe operation under various operating conditions.
  • Low energy and wash water consumption reduces operating costs.
  • Simple construction allows quick and convenient access to all key components.
  • Fully automated operating mode eliminates the need for constant supervision and allows easy integration with other plant components.
  • Enclosed housing reduces the emission of unpleasant odors into the environment, improving working conditions in the operating area.
Esmil Rotary Drum Screen

Construction of the ESMIL Rotary Drum Screen

Additional equipment

  • SCP Screw Compacting Press – a device designed for washing and dewatering screenings. It enables significant volume reduction, thereby lowering transportation and disposal costs.
  • Screw Conveyor – used for transporting materials generated during the wastewater treatment process, such as screenings, washed sand and dewatered sludge.

Technical characteristics of Rotary Drum Screens

Throughput, m3/h105 - 900
Clearance, mm0, 25 - 10
Drum diameter, mm450 - 1000
Drum length, mm1000 - 3000
Width, mm300 - 1200
Unit weight, kg450 - 1580
Flush water consumption, l/min8 - 64
Flushing water pressure, bar4 - 5
Motor actuator:
Ingress protection rating
Power, kW
IP55
0,37 - 1,1
3 phases, 380 V, 50 Hz

Can Esmil Rotary Drum Screens be used for the treatment of wastewater from pig farms?

Yes, they can. Drum screens are one of the few types of equipment that has proven itself well when working with this type of wastewater. The screens are equipped with a special filtering cloth for efficient and reliable treatment of wastewater from livestock breeding complexes.

Why are Rotary Drum Screens more expensive than other Drum Screens, which are designed for similar purposes?

Rotary Drum Screens are intended for use in more complicated cases than Drum Screens outside-in and Drum Screen Brush, i.e. in situations when fat adhesion occurs, the requirement of fine mesh screening , as well as in the presence of fiber , membranous and woven inclusions. Of all the drum screens, it is the rotary drum screens that are most structurally complex and advanced. Their features are the presence of a flushing unit, a brush mechanism, adjustable drum speed, and replaceable screens, etc.

Is it possible to install Rotary Drum Screens outdoors?

It is possible for regions with a temperate climate. In this case, the screen will be equipped with a sealed insulating casing with electric heating, which must work during the cold season. However, the customer must clearly understand the risks associated with the operation of such a solution.

Is it necessary to install equipment for squeezing waste from the rotary drum screen?

Waste from the screens always has significant water content. The waste volume is large, which poses danger of spills during transportation. Therefore, the installation of equipment for dewatering and compaction of waste is always recommended.

Is it necessary to install a rough treatment screen before the Rotary Drum Screen?

As a rule, rotary drum screens cope well with large contaminations. However, it is not recommended to treat effluents with particles larger than ¼ of the diameter of the inlet pipe.

Esmil Group

Esmil Group stands as a premier global manufacturer, crafting cutting-edge equipment for wastewater treatment and sludge dewatering. Additionally, we specialize in delivering advanced membrane systems tailored to various industries.

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