High Precision Internally Rotary Drum Screen for Aquaculture Water Treatment

Internally rotary drum screen description

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The Internally Fed Rotary Drum Screen utilizes a direct drive system to eliminate the use of belts, chains or sprockets.

A combination of stainless-steel shoes and UHMW polyethylene wear strips replace the use of trunnion wheels reducing labor intensive maintenance.

The screening panels remove easily for regular cleaning and to allow access inside the drum without disassembling the machine.

Screening panels are available in wedge wire, perforated plate and wire mesh in various opening sizes to optimize debris removal.

Internally rotary drum screen function

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Internally Fed Screens are individually engineered and designed to meet client specifications with regard to location of influent flow distribution chamber, height, width, gravity or

pumped flow, and need for access/ inspection doors and /or odor abatement. 

Screen support construction of polymeric trunnions that are of shafted and permanently lubricated sealed bearing design. 

The wedge wire or perforated screen with variable slot opening provides solids removal based on client’s specific particle size distribution. 

Each system is equipped with an integral sump which can be oversized and/or conformed to meet design and potential upset conditions. 

All stainless steel construction including legs, pans, and other extraneous parts with no hidden add-on costs. 

Screening systems are offered with a wide range of electrical control panel options, from basic to sophisticated control circuitry.

Internally rotary drum screen model

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Internally rotary drum screen advantage

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1. Innovative.
2. Sturdy.
3. Reliable.
4. No Sprockets or chain system.
5. Smoothly conveys debris.
6. Jam-less design.
7. Fast return on investment.
8. Low, economical maintenance.
9. Low energy consumption.

Internally rotary drum screen feature

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1. Simple and Reliable Driving System

It consists of a pinion-and-rack system that is driven by a gear motor, causing the drum to rotate. This mechanism is constructed of HDPE (High Density Polyethylene) and does

not require any maintenance.

To ensure stability during rotation, the drum is supported by oversized trunnions.

2. High Capture Rate 

Drumtec effectively captures a wide variety of debris, including rocks, grits, organics, wipes, rags, fibers, and other materials. The perforated plate used in the system has a high

capture rate, with the ability to screen materials as small as 800 microns.

This makes Drumtec an excellent solution for fine screening, particularly when used in conjunction with a MBR system.

3. Safe and Easy Access

Each side of the drum cover is equipped with a lift handle for easy opening. To assist with this process, a hydraulic mechanism is in place, allowing a single operator to safely

open the cover.

4. Minimal Maintenance

Weekly maintenance of the system is minimal and only consists of visually inspecting the drum and the spray bar nozzles. If necessary, the nozzles can be easily removed for

cleaning or replacement.

5. All-in-one equipment

To achieve a comprehensive screening treatment process, a built-in washer/compactor can be positioned directly at the discharge chute.

Internally rotary drum screen application

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Wastewater with MBR

IFAS

MBBR

Pulp and Paper Mills

Food and Beverage

Vegetable processing

Meat processing