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Shaftless Spiral Conveyor with Anti-Wrapping Design for Fibrous Wastewater Screenings
| Place of Origin | CHINA |
| Brand Name | WESUS |
| Certification | ISO |
| Model Number | Mixing and Conveying Machine |
shaftless spiral conveyor for wastewater
,anti-wrapping spiral conveyor for fibrous screenings
,shaftless conveyor for wastewater screenings
Shaftless Spiral Conveyor with Anti-Wrapping Design for Fibrous Wastewater Screenings
Brief Description
The Shaftless Spiral Conveyor is engineered for conveying fibrous screenings and irregular solid residues generated during wastewater pretreatment. Its central-shaft-free spiral design provides additional conveying space and helps reduce material wrapping and blockage risks associated with stringy debris. It is suitable for screening waste transfer where conventional shafted screw conveyors may encounter material-handling challenges.
Product Overview
Fibrous screenings, rags, and stringy debris can create challenges for conventional conveying equipment, particularly when materials accumulate around the central shaft.
The Shaftless Spiral Conveyor addresses this issue through a spiral conveying structure without a central shaft. It is designed to transport collected screenings and other compatible solid residues along a trough or enclosed channel.
The equipment can be configured with different spiral dimensions, trough structures, drive systems, and discharge arrangements to suit the material characteristics and process layout. The shaftless design helps reduce wrapping risks but does not eliminate the possibility of blockages under unsuitable operating conditions.
Working Principle
The drive unit rotates the shaftless spiral within the conveying trough. The rotating spiral pushes incoming material toward the discharge outlet.
Without a central shaft occupying the conveying space, fibrous and irregular materials have more room to move through the channel. Conveying stability depends on appropriate equipment sizing, material feed, rotational speed, inclination, and maintenance.
Product Parameters
| Model Item | WLS-260 | WLS-300 | WLS-360 | WLS-420 | WLS-460 | |
| Rotation Speed(r/mm) | 18 (horizontal) ;＞18 (incline) | |||||
| Capacity(m3/h) | 0° | 3 | 6 | 9.5 | 12 | 15 |
| 15° | 2.1 | 4.6 | 6.5 | 9 | 11 | |
| 30° | 1.3 | 2.6 | 4.3 | 5.7 | 7.5 | |
| Screw Diameter(mm) | 220 | 260 | 320 | 380 | 420 | |
| Power(kw) | 1.1-4.0 | |||||
| Installation Angle(a) | ≤20°(special ordering 20°＜a≤30°) | |||||
| Converying Length(m) | Determined by customer needs | |||||
Key Design & Performance Features
1. No Central Shaft
Provides more available space within the conveying channel.
2. Reduced Wrapping Risk
Helps reduce the accumulation of stringy and fibrous materials around a central shaft.
3. Suitable for Irregular Solids
Designed for conveying compatible screenings and mixed solid residues.
4. Configurable Trough Design
U-shaped and enclosed arrangements can be selected according to the project.
5. Accessible Maintenance Design
Access covers and maintenance arrangements can be specified as required.
6. Adaptable Installation
Dimensions and connections can be customized to fit existing wastewater treatment equipment.
Applications
1. Fibrous wastewater screenings conveying
2. Mechanical bar screen discharge systems
3. Fine screening residue handling
4. Rags and stringy debris transfer
5. Wastewater pretreatment equipment
6. Screening waste collection systems
7. Solid residue transport within wastewater plants
Company Profile
WESUS is a leading manufacturer and total solution provider for advanced sewage and sludge treatment systems. Founded in Yixing, China in 2013, we offer reliable, cost-effective equipment and engineering services to global clients. Certified with ISO 9001, ISO 14001 and ISO 45001, we possess strong in-house R&D and manufacturing capabilities supported by a large production base, a professional technical team, patents and university cooperation. Our comprehensive product range includes screening, filtration, sludge dewatering, mixing, aeration and customized solutions. With end-to-end services from design to after-sales support and proven global project experience, we have earned wide recognition including national high-tech enterprise and 5-star after-sales certifications. Adhering to the philosophy of real innovation, excellence and win-win cooperation, WESUS is committed to providing smart, sustainable water treatment solutions for municipal and industrial clients worldwide.
FAQ
Q1: Are you a direct manufacturer? What certifications do you hold?
A: We are a direct manufacturer with our own production facilities and R&D team. We maintain full control over quality, cost, and delivery, and hold certifications including ISO 9001/14001 for our core products.
Q2: What types of collaboration models do you offer?
A: We provide flexible solutions:
- Equipment Supply: Standalone or packaged systems.
- Turnkey Solutions (EPC): Design, procurement, construction, and commissioning.
- Technical Cooperation: Process upgrades, operational maintenance support, and technical consulting.
Q3: How is after-sales service and support ensured?
A: We provide full lifecycle support:
- Warranty: 12–24 months on core equipment.
- Response: 7x24 remote support with fast on-site assistance when needed.
- Spare Parts: Genuine parts are stocked for long-term supply security.
- Maintenance: Annual Maintenance Contracts (AMC) are available to ensure long-term system efficiency.
Q4: What is your typical project execution process?
A: Our standardized workflow ensures efficiency and transparency:
1. Requirement Analysis → 2. Proposal & Quotation → 3. Design Finalization → 4. Production & Factory Testing → 5. Shipping & Installation → 6. Commissioning & Training → 7. After-sales Service.
Customer involvement is encouraged at key milestones.
Q5: Can you provide references or case studies?
A: We have extensive global project experience across municipal and various industrial sectors. We can provide detailed, anonymized case studies and client references upon request.
Q6: What are your payment terms and delivery lead times?
A: - Payment: We accept T/T and L/C, with standard industry progress payment terms.
- Lead Time: Standard equipment: 4–8 weeks. Large custom projects: 12–20 weeks.
A clear production schedule is provided upon contract signing.
Q7: How do you serve international clients?
A: We are experienced in international projects, arranging complete logistics (FOB, CIF, DDP, etc.) and providing full customs documentation. Our designs pre-consider compliance requirements in target markets.
Q8: Can you upgrade or retrofit existing systems?
A: Yes. We specialize in evaluating existing facilities and providing customized retrofit and expansion solutions to enhance performance and capacity with minimal investment and downtime.
Q9: How can we start a consultation?
A: Please contact our Sales Engineering team. To facilitate an efficient discussion, please have your treatment requirements, water quality data, and site information ready. We will provide a preliminary proposal and professional advice.
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