EnviroDrum

Rotary Screen

The rotary screens are connected to pumps outlet. Their objective is to achieve a fine separation of the waste contained in the effluent.

Originally developed for industrial and predominantly agrifood applications such as canneries and slaughterhouses, the use of this technology has been extended to pretreatment applications at sewage treatment plants.

As the effluent passes through the cylindrical grid, the waste entrained by the screen rotational movement passes through the other side of the drum. A scraper mounted on a spring and supported on the entire width of the drum, collects the waste to be collected by gravity into a container.

It is possible to integrate a screw compactor with the rotating drum, declined under the denomination Envirodrum. In this version, the collected waste is dewatered and compacted beforehand.

Layouts

Cleaning ramp

Inspection covers

Effluent outlet

Supports (optional)

Effluent inlet

By-pass

Mobile cover

Bagging unit

Specificities

Easy installation and maintenance
Compact and closed unit
Proven technology
Low maintenance costs
Reliability and durability

Screening

The cylindrical shaped grid consists of a wounded trapezoidal wire. The filter mesh is calibrated at the time of its manufacture.

Washing ramp

A high pressure washing ramp, in continuous operation, is positioned inside the drum. Thus, at each turn, a clean surface is available to the incoming effluent.

Flanges

The machine is equipped with three flanges. One for feeding the unit at the upper part, a second one for the effluent discharge and one for the overflow outlet. The position of the supply flange is fixed. The other two can be installed either on the right or on the left, or underneath as far as the flange is concerned.

Performances

Urban effluent hydraulic flow rates (m3/h)
Mesh (mm)	Mini DMS 500	DMS 500 P	DMS 1000 P	DMS 1500 P	DMS 2 000 P
0.5	12	35	70	105	140
0.75	15	45	90	135	180
1	18	55	110	165	220
1.5	25	75	150	225	300
2	27	80	160	240	320

Materials

Construction in stainless steel 304L or 316L

Screw in special steel high resistance

Dimensions

Overall dimensions in mm
Models	Mini DMS 500 P	DMS 500 P	DMS 1000 P	DMS 1500 P	DMS 2000 P
Length	915	915	1415	1915	2415
Width	1200	1400	1400	1400	1400
Height*	1100	1300	1300	1300	1300

*Without supporting legs – Customized and adjustable supports height

EnviroDrum

Rotary Screen

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