🛡️ Scraper Self-Cleaning Filters — Efficient Filtration Without Added Impurities
At , we offer advanced scraper self-cleaning filters engineered for high-viscosity liquid applications. These filters are designed to operate continuously, removing impurities from the filter surface through mechanical scraping—without introducing any external cleaning agents. Ideal for industries requiring precision, safety, and uninterrupted performance.
🔧 Filter Variants Available
✅ Inner Scraper Self-Cleaning Filter
Removes contaminants from the inner surface of the filter element using a motor-driven scraper. Suitable for processes where internal cleaning is critical.
✅ Outer Scraper Self-Cleaning Filter
Cleans the outer surface of the filter screen via rotating blades. Offers filtration accuracy between 50–500 μm, making it ideal for viscous liquids with high purity demands.
🌟 Key Features & Benefits
- Fully automated operation for 24/7 online filtration
- No chemical backwash required, ensuring purity and process integrity
- Closed filtration system to prevent leakage and protect operator safety
- High-precision metal scrapers with minimal clearance for effective cleaning
- Optional backwash function for enhanced maintenance flexibility
- PLC-controlled system for programmable scraping and draining cycles
- Pre-assembled and factory-tested for easy installation
- Customizable design and specifications to suit specific process requirements
⚙️ Working Principle
- Liquid enters the filter and flows from the outer surface to the inner core of the filter element
- Impurities accumulate on the filter surface
- Scraping is triggered by preset time or differential pressure
- Motor-driven blades rotate to remove debris, which falls into the collection cone
- Waste liquid is discharged through a drain valve and can be recycled if needed
📐 Technical Specifications (Customizable)
| Parameter | Standard Range |
|---|---|
| Design Pressure | 1.0 MPa |
| Inlet/Outlet Diameter | DN 50 – DN 200 |
| Drain Outlet Diameter | DN 40, DN 50 |
| Operating Temperature | 0–200 °C |
| Filter Rating | 50–500 μm |
| Filter Area | 1100 cm² – 13600 cm² |
| Applicable Liquids | Water & viscous liquids (<80,000 mPa·s) |
| Impurity Load | < 1000 ppm |
| Clean Differential Pressure | ~0.05 MPa (varies by viscosity) |
| Filter Housing Material | SS304, SS316L, Carbon Steel |
| Scraper Blade Material | SS304, SS316L |
| Seal Material | NBR (standard), VITON |
| Filter Element Type | V-slot slotted metal, SS316L |
| Drain Valve | Pneumatic ball valve, IP65 |
| Gear Motor | 180W, 3-phase, 380V, IP55 |
| Control System Requirements | 380V AC, 0.4–0.6 MPa dry compressed air |
Note: All specifications can be tailored to meet your unique process conditions, fluid properties, and installation constraints.