27 Apr,2026
Screw Press Dewatering: Working Principle, Benefits & Applications
The Fully Automatic Sludge Axleless Spiral Conveyor is a specialized bulk material handling system designed for the transport of viscous, high-moisture, and winding materials such as municipal sludge, dewatered screenings, and industrial waste. Unlike traditional conveyors, this system utilizes a shaftless design where a high-strength spiral rotates within a U-shaped trough. This configuration eliminates intermediate bearings and internal shafts, preventing material buildup and blockages. The integration of full automation allows for seamless connection with sludge dewatering equipment and storage silos, ensuring a continuous and sealed transition process that meets environmental compliance standards.
| Component | Technical Description |
| Spiral Material | High-carbon manganese steel or Stainless Steel 304/316 |
| Lining Material | Ultra-High Molecular Weight Polyethylene (UHMW-PE) or Nylon |
| Conveying Angle | Horizontal to 30-degree inclination |
| Drive Unit | Gear motor with high service factor and IP55/IP65 protection |
| Trough Design | Modular U-shape with replaceable wear-resistant liners |
The conveyor should be installed on a level concrete foundation with sufficient clearance for liner replacement. If stored outdoors before installation, the drive motor and electronic sensors must be protected from direct moisture and UV exposure. The spiral should remain supported to prevent deformation during long-term storage.
Do not remove the trough covers while the spiral is in motion. The Fully Automatic Sludge Axleless Spiral Conveyor is equipped with emergency stop pull-cords; ensure these are tested weekly. For automated systems, verify that the interlocking logic between the conveyor and the feed pump is active to prevent material overflow during a conveyor stoppage.
Factory Area
Honorary Certificate
Yangzhou Qinxin Environmental Protection Technology Co., Ltd. is China Custom Fully Automatic Sludge Axleless Spiral Conveyor QXWZ Suppliers and Fully Automatic Sludge Axleless Spiral Conveyor QXWZ Company. This is an enterprise that combines industry and trade and is committed to research and development, production, and sales of environmental protection equipment, Our company is mainly engaged in Fully Automatic Sludge Axleless Spiral Conveyor QXWZ, stacked screw sludge dewatering machines, PAM integrated dosing devices, sludge low-temperature drying systems, solid-liquid separators, other sewage treatment equipment, mainly serving municipal, food, petrochemical, aquaculture, papermaking, leather, brewing, printing and dyeing, chemical, pharmaceutical, medical and other industries. Adhering to many years of practical experience and research and development in the production of environmental protection equipment, the company is AAA-level contract-oriented and trustworthy and has obtained a number of patents and quality management system certifications, environmental management system certifications, and occupational health and safety management system certifications.
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