| Chinese
Jiahe Conveying's Spiral Stack Press Screw Assembly is a precision-engineered dewatering component specifically designed for sludge treatment applications. Our robust screw design combines high compression efficiency with excellent wear resistance, delivering optimal performance in continuous sludge dewatering operations.
Parameter | Specification | Material Options |
---|---|---|
Shaft Diameter | 80-300mm | 304/316L Stainless Steel |
Flight OD | 200-800mm | Duplex Stainless Steel |
Pitch Gradient | 300mm→100mm (variable) | Hardfaced Wear Zones |
Compression Ratio | 3:1 to 5:1 | Tungsten Carbide Coating |
Surface Finish | Ra ≤ 1.6μm (contact surfaces) |
Gradual pitch reduction for progressive compression
Precision-machined flight profiles
Integrated drainage channels
Hardfaced flight edges (HRC 58-62)
Replaceable wear sleeves
Corrosion-resistant materials
Solid shaft with torque reinforcement
Gusseted flight attachments
Balanced rotating assembly
Solids Capture Rate: 95-99%
Cake Dryness: 18-25% DS
Throughput Capacity: 0.5-20 m³/h
Service Life: 2-3X industry standard
Primary/secondary sludge
MBR systems
Digestate dewatering
Chemical sludge
Food processing waste
Paper/pulp slurry
Oil sludge
Pharmaceutical waste
Mining tailings
Material grade selection
Wear protection packages
Special pitch configurations
Integrated cleaning systems
Smart monitoring sensors
✔ Proven dewatering performance
✔ Extended service intervals
✔ Application-specific designs
✔ Technical support from sludge treatment experts
Contact our environmental equipment team for dewatering solutions!
Precision helicoidal flight manufacturer: 24/7 engineering support at +86 400 990 1585 for bulk handling solutions.
Address:No. 3, Garment Road, Xuyi County, Huai'an City, China
Landline:+86-517-88296312 / Fax:+86-517-88296316
Email:jiahecom-com@foxmail.com / WeChat:18014145221
Hotline:+86-400-990-1585 (✦ 24/7 Global Support ✦)