Precision and Efficiency Step-Type Fine Screen Robust and Durable Clearly Layered

Brief Description

This step-type fine screen is specifically designed for screening complex industrial materials. Its multi-layered structure achieves step-by-step filtration, effectively improving separation efficiency. The overall construction prioritizes stability and durability, making it suitable for dusty and heavy-duty production environments. Its rationally designed layered layout facilitates maintenance and cleaning, making it widely used in building materials, chemical, and mining industries, and an ideal choice for enhancing production line automation.

Product Overview

Our step-type fine screen represents a breakthrough in fine screening technology. Utilizing a unique overlapping plate design, it delivers unparalleled performance in removing fine solids, fibers, and debris from wastewater. Engineered for reliability and minimal maintenance, it is the ideal choice for municipal and industrial plants seeking superior effluent quality and robust operation ahead of sensitive processes like MBR, UV disinfection, or water reuse.

Working Principle

Unlike conventional screens, the step-type fine screen features two sets of alternating, overlapping plates (step profiles) that perform an independent, reciprocating "stepping" motion.
*Filtration: Wastewater flows through the precisely engineered gaps (apertures) between the stationary and moving plates.
*Lifting & Cleaning: The moving plates lift captured solids upward in a gentle, step-by-step motion.
*Discharge: At the top, solids are automatically discharged into a collection trough, while the cleaned plates return to the filtration position.
This continuous, self-cleaning action prevents clogging and blinding, ensuring consistent throughput and efficiency.

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: Reliable fine screening for plant inlet, pretreatment for MBR systems, or tertiary treatment.
*Food & Beverage Industry: Effective removal of organic fibers, peels, and packaging materials.
*Pulp & Paper Mills: Superior capture of fine fibers for recovery and process water treatment.
*Pumping Stations: Reliable protection against clogging in storm-water and combined sewer applications.
*Industrial Pretreatment: Key solution for automotive, textile, and chemical industries.

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.