Rotary Drum Screen Filter for Wastewater Treatment | 5000 m³/day
The Rotary Drum Screen Filter is a high efficiency wastewater treatment system designed for continuous solid-liquid separation. It uses a rotating 316L stainless steel drum to filter suspended solids under gravity or pressure difference. The system ensures stable effluent quality with low suspended solids and minimal head loss. It is widely applied in municipal and industrial wastewater treatment, water reuse, and pretreatment processes requiring reliable fine screening and high filtration efficiency.
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Product introduction of Rotary Drum Screen Filter
The Rotary Drum Screen Filter is an advanced mechanical filtration system used in wastewater treatment plants for fine screening and solid-liquid separation. Constructed with durable 316L stainless steel, the equipment operates through a continuously rotating drum that separates suspended solids from water with high efficiency. It is suitable for municipal sewage upgrading, industrial effluent treatment, and water recycling systems. With stable filtration performance and low maintenance requirements, it is widely used in STP and industrial pretreatment applications requiring reliable removal of suspended solids and turbidity control.
Working principle
Wastewater flows into the rotary drum screen filter where it is evenly distributed onto a rotating 316L stainless steel screen surface. Under gravity or pressure difference, water passes through the fine filtration medium while suspended solids are retained on the drum surface. The drum rotates continuously, and a backwashing system using high-pressure water (0.7 MPa) removes accumulated solids from the screen. The solids are discharged for further treatment, while clarified water exits with suspended solids ≤10 mg/L, ensuring stable and continuous filtration performance.
Product Parameter Table
| Treating Capacity | 5000 m³/day |
| Length | 2900 mm |
| Width | 1600 mm |
| Height | 2060 mm |
| Filtration Area | 2.5 m² |
| Outlet Dia. | DN300 |
| Reducer Power | 0.55 kW |
| Backwashing Pump Power | 1.1 kW |
| Backwashing Amount | 20 m³/day |
| Backwashing Pressure | 7.5 bar |
Main Features
- High efficiency rotary drum filtration system ensures continuous solid-liquid separation performance
- Constructed with 316L stainless steel for superior corrosion resistance and long service life
- Stable filtration rate up to 150 m/h supports high flow wastewater treatment applications
- Automatic backwashing system reduces clogging and ensures continuous operational efficiency
- Low head loss design improves hydraulic stability and reduces overall energy consumption
- Suitable for municipal and industrial wastewater treatment and water reuse applications
Application Scenarios
- Municipal wastewater treatment plant for secondary and tertiary treatment processes
- Industrial wastewater filtration in chemical, textile, metallurgy, and food industries
- Water reuse and recycling systems for industrial process water recovery applications
- STP pretreatment systems for suspended solids and turbidity reduction
- Surface water purification and clarification systems for industrial reuse applications
FAQ
1. What is a Rotary Drum Screen Filter used for?
It is used for removing suspended solids from wastewater through continuous fine screening filtration.
2. What industries use this equipment?
It is widely used in municipal, chemical, textile, metallurgy, and food processing industries.
3. What is the filtration efficiency of this system?
The system achieves high separation efficiency between 81% and 97% depending on water quality.
4. Does it require frequent maintenance?
No, it uses an automatic backwashing system that minimizes maintenance requirements.
5. What is the outlet water quality?
The system can reduce suspended solids to ≤10 mg/L under stable operation.
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