English
Double drum sewage grinder, equipped with dual-shaft cutters and double screen drums, can be adapted to different open channels through various mounting frames. The channel sewage grinder can crush the suspended and floating garbage into 6 mm ~ 12 mm particles, allowing sewage to flow safely through pumps, pipes, valves, etc.
As a professional manufacturer since 2005, we specialize in providing robust solutions to eliminate clogging and protect downstream equipment.
Main Benefits of the Sewage Grinders
Compact, efficient design with custom frames
Dual-shafted and high-flow screening drums
Amphibious motor design for versatile use
Automatic coupling installation for easy maintenance
Optional PLC intelligent control system
Low investment and operating costs
Main Applications
Water inlet channel(well)
Sewage lift projects
Municipal sewage systems
Industrial / Commercial / Residential areas where tough solids need to be ground up
Product Description
Technical Data
Applications
Documents
DENOR Double Drum Sewage Grinder for Large Channel & Pump Station
The DENOR Double Drum Sewage Grinder is a high-torque, low-speed grinder specifically engineered for large open channel applications and high-flow municipal pump stations. As a professional manufacturer since 2005, we specialize in providing robust solutions to eliminate clogging and protect downstream equipment.
Double Drum Sewage Grinder Diagram


Key Features
Double Drum grinder sewage principle:
Denor have wastewater grinders specifically designed for high flow and easy serviceability when it comes to sewage. We also have sewage grinders for smaller pump stations, or high-flow wastewater grinders for headworks.
With two decades of expertise, DENOR sewage grinders are the preferred choice for large pump stations. Unlike standard chopper pumps, our double drum grinder provides a superior screening and grinding action to handle modern debris like wipes and diapers, ensuring your system runs smoothly with low maintenance.
The channel sewage grinder is widely used in open channel (well), integrated prefabricated pump station, wastewater treatment plant, municipal sewage systems, Industrial and commercial and residential district pipe network engineering, sewage lifting project etc.
Why Choose DENOR?
Ready to stop pump clogging? Contact our expert for a site-specific recommendation.
Materials of construction
| Motor | Customized, multiple power options |
| Reducer | Planet gear reducer |
| Rotating Drum Screen | Stainless steel |
| Cutters and Spacers | Heat-treated alloy steel |
| Shafts | Heat-treated alloy steel |
| Housings | Ductile cast iron ASTMA 536 |
| Mechanical Seals | Tungsten carbide faces |
| Channel Frame | Carbon steel or stainless steel (304, 316) |
Double drum channel type wastewater grinder models (Supports on-demand customization).
|
Model |
Flow (m³/h) |
Size(mm) |
Width |
Weight(kg) |
|||
|
A |
B |
C |
D |
||||
|
DNRF-S1100 |
1100 |
1820 |
936 |
718 |
360 |
396 |
670 |
|
DNRF-S1600 |
1600 |
2076 |
1156 |
938 |
360 |
696 |
740 |
|
DNRF-S2200 |
2200 |
2312 |
1393 |
1175 |
360 |
700 |
815 |
|
DNRF-S3000 |
3000 |
2100 |
1176 |
958 |
547 |
1240 |
1010 |
|
DNRF-S4000 |
4000 |
2592 |
1403 |
1185 |
547 |
1240 |
1620 |
|
DNRF-S5200 |
5200 |
2512 |
1712 |
1492 |
572 |
1300 |
2130 |
|
DNRF-S6700 |
6700 |
2910 |
2110 |
1900 |
572 |
1300 |
2700 |
Denor double drum channel type crushing grille suitable for large channels, double drum design, greater flow.
Water Inlet Channel(well)
Sewage grinders can pulverize suspended solids and floating debris in water channels into particles measuring 6mm to 12mm.
Sewage Lift Station Projects
Sewage grinders can be installed at integrated lift pump station to reduce the size of solid waste, protect pumps, and ensure efficient wastewater transport.
Municipal Sewage Systems
Sewage grinders are used in municipal sewage pipeline systems to reduce the volume of solid waste, prevent pipe blockages, and protect pumps and other equipment during wastewater treatment.
Industrial / Commercial / Residential Areas
Industrial, commercial, and residential areas all generate various types of solid waste. Sewage grinders can help manage this waste and maintain the smooth operation of the sewer system.
Documents
sewage grinder.pdf
Request a Free Tailored Quote
Quick response: share your needs with us please, we'll contact your in very short time.
Related Products
CUSTOMIZED DISPLAY
Customized Pumping Solution For Your ProjectNot Your Average Manufacturer
We tailor solutions to your specific needs based on flow rate, head, and site conditions.
Not sure what you need? Our experts team will help you find the right products.
Bespoke Design
Engineered to your project's needs.
Flexible Configuration
Choice of materials, pumps, and control system.
Product Production Cycle Management
Optimize production processes and shorten production cycles
Strong Delivery Capabilities
Complete logistics and supply chain, with delivery as fast as 15 business days.
End-to-End Service
From design to after-sales support.