HUBER Micro Strainer ROTAMAT® Ro9 Wastewater screen for small to medium flows
- With integrated screenings washing and compaction
- For channel installation or supplied in a tank
- With optional frost protection for outdoor installation
Both municipal wastewater treatment plants and industrial applications rely on mechanical treatment as the first step to remove as much floating, settling, and suspended material as possible. The goal is to achieve the highest separation efficiency based on the prevailing hydraulic conditions. Key factors for a successful mechanical separation system include reliable operation, high efficiency, and hygienic performance.
The HUBER Micro Strainer ROTAMAT® Ro9 operates on a unique system that integrates screening, washing, transport, compaction, and dewatering into a single, efficient unit.
Depending on the screen bar spacing, perforation size, and screen size (with a screen basket diameter of up to 28” / 700 mm), the throughput can be tailored to meet specific site requirements.
The HUBER Micro Strainer ROTAMAT® Ro9 is fully constructed from stainless steel and undergoes acid treatment in a pickling bath for enhanced durability. The screen can be installed either directly in a channel or in a separate tank, offering flexibility for various installation setups.
Design and Function
As wastewater flows into the open front end of the screen basket and passes through the screen bars or perforations, solids are retained by the screen. The separation of floating, settling, and suspended solids is determined by the screen bar spacing or perforation size.
When the screen surface becomes clogged, it creates an additional filtering effect, allowing solids smaller than perforation size to be retained. The machine automatically activates when the upstream water level exceeds a certain threshold, caused by the blinding of the screen surface.
A durable stainless steel screw removes the screenings from the screen basket surface, while additional cleaning is provided by wear-resistant brushes mounted on the screw flights. The screw conveyor then transports the screenings through a closed, inclined pipe.
As the screenings are transported, the screw conveyor dewaters and compacts them, eliminating any odor nuisance, before discharging them into the customer's container or a downstream conveying unit.
The HUBER Micro Strainer ROTAMAT® Ro9 is fully constructed from stainless steel and undergoes acid treatment in a pickling bath to ensure superior durability and resistance to corrosion.
The screen can be installed either directly in a channel or in a separate tank, and is also available with optional frost protection for outdoor installation.
Product variants
HUBER Micro Strainer ROTAMAT® Ro9 XL with an extended screen basket
The HUBER Micro Strainer ROTAMAT® Ro9 XL, featuring an extended screen basket for higher throughput, is especially suited for narrow and deep channels. The longer screen basket is designed to handle a wide range of dry weather and stormwater flows efficiently.
- Extended screen basket available in two lengths
- Size 400 and 500
- For varying inflows
- Maintenance-free lower ceramic bearing
HUBER Micro Strainer ROTAMAT® Ro9 EC
The HUBER Micro Strainer ROTAMAT® Ro9 EC is a low-cost version of the HUBER Micro Strainer ROTAMAT® Ro9 with the following special features:
- Best cost/performance ratio
- No additional wash water required due to the reduced screenings compaction
- For installation directly in the channel or in a tank
- Size 300 and 500
- Wedge wire screen basket or perforated plate basket available
Benefits of the HUBER Micro Strainer ROTAMAT® Ro9
- Low investment costs
- Quick and easy installation, even as a retrofit
- Reliable self-cleaning of the screening area through stainless steel screw flights and wear-resistant brushes
- All stainless steel construction, ensuring virtually unlimited lifespan and minimal maintenance
- Encapsulated, odour-free plant
- Low disposal costs thanks to integrated screenings washing and compaction
- Optional frost-protected unit for outdoor installation – no building required
Media
Videos and Animations
Downloads
