Compact Internally-fed Rotary Drum Screens for Small WWTP & Pump Stations

Compact Internally-fed Rotary Drum Screens for Small WWTP & Pump Stations

Category： Internally Drum Screen
Design Type: Compact & Channel Mounted
Ideal For: Small WWTPs, Pump Stations, Limited Space
Installation: Pre-assembled for Easy Setup
Optional: Integrated Spray Cleaning System
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Internally-fed Rotary Drum Screens Function

Our internally fed rotary screen operates with minimal attendance. Influent enters through the inlet and flows into a headbox. The headbox fills and the influent cascades over the weirs and contacts two sides of the rotating cylinder screen. As the influent hits the turning screen, the solids are caught inside the cylinder and the liquid passes through the screen into the process or on for further treatment. Diverters on the cylinder move the solids along the length of the screen to discharge. The unit is equipped with spray bar(s) to clean the screen.

Rotoshear has undergone continual updates to incorporate new design enhancements, and today it represents a complete family of screens. There are 12 models with custom features specific to various applications. Opening sizes range from 0.010" to 0.100" (.25 to 2.5 mm) and hydraulic capacities from 450 to over 13,000 GPM (102 to 2955 m3 /h). The material standard is 304 stainless steel, but 316 and L grades are available, as well. Heavy-duty models are available for heavy solids loadings.

Internally-fed Rotary Drum Screens Model

DIRD Model	Drum size	Physical Dimensions(mm)			Power	Weight (Kg)	Capacities(m3/h)			Sludge height
DIRD Model	mm	L	W	H	KW	Weight (Kg)	1mm	2mm	3mm	mm
IRD6-900	Ø600x900	1900	1350	1700	0.55	630	15	25	30	500
IRD6-1200	Ø600x1200	2200	1350	1700	0.55	820	30	50	60	500
IRD6-1500	Ø600x1500	2500	1350	1700	0.75	1000	45	70	85	500
IRD6-1800	Ø600x1800	2800	1350	1700	0.75	1160	60	100	120	500
IRD6-2100	Ø600x2100	3100	1350	1700	1.1	1300	80	135	170	500
IRD9-1200	Ø900x1200	2300	1600	2200	1.1	1200	40	70	85	600
IRD9-1800	Ø900x1800	2900	1600	2200	1.1	1470	80	135	170	600
IRD9-2500	Ø900x2500	3600	1600	2200	1.5	1800	120	200	250	600
IRD9-3000	Ø900x3000	4100	1600	2200	1.5	2100	160	270	350	600

Internally-fed Rotary Drum Screens Advantage

Internally fed wedgewire drum screen without doctor blade maintenance reduces maintenance costs and hours
Proven design with over 1000 installations
Different headbox designs and flighting provide variety for wide-ranging solids loadings and solids types

Internally-fed Rotary Drum Screens Application