Precision And Detail Externally Fed Rotary Drum Screen High Output Easy To Repair

Precision and Detail Externally Fed Drum Screen Wide Width and High Output Easy to Repair

Brief Description

This externally fed drum screen is renowned for its precise manufacturing process, ensuring that every piece of material undergoes rigorous screening. Its wide width and high output design makes it adept at handling large-scale industrial raw materials, significantly shortening the turnaround time. The specially optimized structural design allows for easy repair and replacement of key components, enabling quick maintenance without specialized tools and ensuring continuous production. Suitable for metallurgy, chemical engineering, and waste treatment industries, it effectively removes impurities and improves the purity of finished products. In today's pursuit of high-quality output, it is the ideal choice for upgrading industrial production lines.

Product Overview

Designed for solid-liquid separation, our Externally Fed Drum Screen functions as a durable mechanical filter that efficiently removes tiny suspended particles, fibers and impurities. Featuring an external feed filtration principle, raw water flows through the drum screen from outside toward the center. It excels in handling water with elevated solid concentrations and meeting strict pre-filtration requirements, serving as an optimal equipment selection for raw surface water withdrawal, production process water treatment and deep-stage wastewater purification processes

Working Principle

*External Loading Principle: Untreated water stream is guided to cover the outer circumference of the rotary drum screen, initiating outside-in filtration workflow.
*Precision Screening Process: Utilizing customized screen panel combinations (wedge wire strips, punched plates or woven mesh), the system effectively separates water from fine debris, allowing only qualified liquid to enter the drum cavity.
*Automatic Self-cleaning Mechanism: Mechanical rotation transports surface-deposited impurities to the cleaning zone. Targeted high-pressure water nozzles implement impact washing to prevent screen clogging and maintain stable flow rate.
*Separate Output Design: Washed solid sediments are collected into a discharge trough, while the filtered clean water converges inside the drum and flows out from the end opening, realizing automatic solid-liquid separation.

Key Design & Performance Features

*Handles High Solids Loads Effectively
The external feed design allows for better distribution of incoming flow and is less prone to rapid blinding under high solids conditions compared to some internally fed designs, ensuring stable operation.

*Large Filtration Surface Area
The entire external circumference of the drum is utilized for filtration, providing a generous surface area to maintain high flow rates with low head loss.

*Proven, Simple, and Robust Design
With fewer internal components exposed to the raw influent, the design is often simpler and highly robust, leading to reliable operation and reduced maintenance needs.

*Excellent Pre-Treatment or Final Screening
Effectively removes fine particles (down to specified micron ratings), protecting downstream equipment such as membranes, UV systems, or heat exchangers, or producing high-quality effluent for discharge/reuse.

*Adaptable and Customizable
Available in a wide range of screen apertures (microns or millimeters), diameters, and widths to suit specific flow rates and water quality requirements. Constructed primarily in stainless steel for corrosion resistance.

Applications

*Natural Surface Water Coarse Screening and Protection: For natural water bodies such as rivers, lakes, and reservoirs, this system physically removes branches, weeds, planktonic algae, and suspended sediment, ensuring stable and long-term operation of the intake pumping station and subsequent treatment units.

*Industrial Fluid Pre-filtration: This system intercepts impurities in process return water, cooling circulating water, and raw material feed water, suitable for water-intensive industries such as thermal power, pulp and paper making, and food processing, extending the lifespan of system consumables.

*Three-Stage Deep Filtration for Wastewater: This system performs final solid-liquid separation on the effluent after biological treatment, strictly controlling SS (suspended solids) levels to meet reuse makeup water or high-standard discharge requirements.

*Closed-Loop Water Quality Stabilization System for Aquaculture: This system removes suspended organic matter online, preventing eutrophication and maintaining the cleanliness of circulating water in high-density aquaculture ponds.

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.