Corrosion Resistant Step Screen Wastewater Smooth Operation Fine Grading

Corrosion Resistant Step-Type Fine Screen Smooth Operation Fine Grading

Brief Description

This stepped screen is made of highly wear-resistant material, balancing corrosion resistance and mechanical strength, making it suitable for various harsh working conditions. The scientifically configured screen angle and layer spacing allow for natural separation of materials of different particle sizes, reducing the risk of clogging. Its compact structure and easy installation make it particularly suitable for industrial sites with limited space but high screening accuracy requirements.

Product Overview

Our step-type fine screen redefines the benchmark of fine screening equipment. With a proprietary overlapping sieve plate configuration, it excels at efficiently eliminating fine particles, fiber contaminants and miscellaneous residues in wastewater. Crafted for long service life and hassle-free maintenance, it stands as the premier solution for municipal and industrial wastewater stations, ensuring stable pretreatment performance and high-quality effluent to support subsequent critical processes including MBR, UV sterilization and water reclamation.

Working Principle

Different from ordinary fine screens, the step-type fine screen adopts two sets of alternately arranged overlapping step plates, which implement separate reciprocating stepping actions.
*Filtration: Wastewater flows through the precision-machined openings between fixed and moving components to achieve effective filtration.
*Conveying & Cleaning: The moving plates slowly and steadily lift the trapped solids upward in a stepwise manner.
*Final Discharge: Solids are discharged into the collection chute automatically at the upper end, and the plates reset to continue filtering.
Such a continuous self-cleaning mechanism eliminates clogging and screen clogging risks, guaranteeing stable flow rate and long-term efficient operation.

Product Parameters

Key Design & Performance Features

*Unmatched Clog Resistance: The unique stepping motion and self-cleaning design virtually eliminate clogging and hairpinning—common failures in drum or rake screens. This ensures 24/7 uninterrupted operation, even with challenging, fibrous materials.
*Exceptionally High Filtration Efficiency: Available with fine apertures from 1 mm to 6 mm, it achieves superior capture rates for fine solids, fibers, plastics, and hair, providing optimal protection for downstream equipment.
*Proven Durability & Low Maintenance: Constructed with high-grade stainless steel (SS 304/316) for all critical components. The simple, robust mechanical design has fewer wear parts than competitors, translating to dramatically lower life cycle costs and less downtime.
*Hydraulically Efficient & Compact: The vertical or inclined installation offers a large screening area within a small footprint, resulting in very low head loss and significant energy savings for pumping stations.
*Hygienic & Odor-Free Operation: The complete discharge of solids and absence of stagnant areas or internal dead zones prevent putrefaction and odor generation, making it perfect for food & beverage and pharmaceutical applications.

Applications

*Municipal WWTPs: Ensures stable fine screening at inlet works, acts as high-performance pretreatment for MBR, and upgrades effluent quality in advanced treatment stages.
*Food & Beverage Production: Targeted removal of organic fibers, rinds, packaging waste and other process-related solids.
*Pulp & Paper Facilities: High-efficiency interception of fine fibers to support recycling and maintain clean process water.
*Pumping & Lift Stations: Prevents clogging and downtime in stormwater and combined sewer networks.
*Industrial Process Pretreatment: Essential screening equipment for automotive, textile, chemical and other heavy industrial applications.

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.