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High Efficiency Curtain Flow DAF Dissolved Air Flotation Machine for Oil Water Separation
| Place of Origin | CHINA |
| Brand Name | WESUS |
| Certification | ISO |
| Model Number | Dissolved Air Flotation |
High Efficiency DAF machine for oil water separation
,Curtain Flow DAF dissolved air flotation
,Waste water machine with oil separation
High Efficiency Curtain Flow DAF Dissolved Air Flotation Machine for Oil Water Separation
Brief Description
Fitted with an upgraded multi-layer curtain-flow staged water distribution system, the tank maintains smooth water flow without eddies or counter-flow disturbance, fundamentally preventing floc fallback and scum carryover during skimming. It delivers excellent removal efficiency for ultra-fine colloids, trace emulsified oil, low-concentration suspended solids and trace total phosphorus, featuring higher overall treatment efficiency and clear effluent. It fits all water treatment scenarios that require strict discharge limits and advanced deep purification.
Product Overview
The high-efficiency curtain-flow dissolved air flotation (DAF) machine is an upgraded premium model based on traditional horizontal-flow DAF. Equipped with an exclusive curtain-flow steady water distribution structure, it solves common industry pain points of conventional DAFs, including turbulent flow, floc re-sedimentation, scum carryover and low hydraulic loading capacity. This equipment achieves a higher adhesion rate between microbubbles and micro-pollutants, significantly improves hydraulic treatment capacity and produces superior-quality effluent, while cutting energy and chemical consumption. It is suitable for large-flow, refractory wastewater and water upgrading projects with strict discharge standards.
Working Principle
The pressurized dissolved air system generates fine, uniform microbubbles to adsorb micro oil contaminants and flocs in wastewater. The layered parallel curtain flow inside the tank eliminates counter-flow turbulence, allowing flocs to float steadily and form a thin scum layer. A wide-width scum skimmer discharges scum evenly, while multiple balanced water collection outlets at the tank bottom trap trace pollutants to realize high-precision water purification.
Product Parameters
| Model | Capacity (m³/h) | Power (kW) | Dimension (m) | Nozzle List (DN) | ||||||||||
| RF-WDAF | m³/h | Recycle Pump (kW) | Air Compressor (kW) | Skimmer (kW) | Flocculation Mixer (kW) | Coagulation Mixer (kW) | L1/L2 | L1/L2 | W1/W2 | H1/H2 | Inlet (a) | Outlet (b) | Sludge Outlet (c) | Vent Nozzle (d) |
| 002 | ~2 | 0.75 | 0.55 | 0.2 | 0.37 | 0.25 | 3.5/2.5 | 4.0/3.0 | 2.4/1.2 | 2.2/1.3 | 50 | 50 | 80 | 80 |
| 005 | ~5 | 1.1 | 0.55 | 0.2 | 0.37 | 0.25 | 4.0/3.0 | 4.5/3.5 | 2.4/1.2 | 2.2/1.2 | 50 | 50 | 80 | 80 |
| 010 | ~10 | 4.0 | 0.55 | 0.12 | 0.37 | 0.25 | 4.3/3.3 | 4.8/3.5 | 2.9/1.7 | 2.2/1.2 | 80 | 80 | 80 | 100 |
| 020 | ~20 | 5.5 | 0.75 | 0.12 | 0.37 | 0.25 | 5.5/4.2 | 6.5/5.2 | 2.9/1.7 | 2.7/2.2 | 100 | 100 | 100 | 100 |
| 030 | ~30 | 5.5 | 0.75 | 0.12 | 0.37 | 0.25 | 5.6/4.2 | 6.5/5.2 | 2.9/1.7 | 2.7/2.2 | 100 | 100 | 100 | 100 |
| 040 | ~40 | 5.5 | 0.75 | 0.12 | 0.37 | 0.25 | 6.6/5.2 | 6.6/5.2 | 3.2/2.2 | 2.9/2.4 | 150 | 150 | 100 | 100 |
| 050 | ~50 | 7.5 | 0.75 | 0.12 | 0.75 | 0.37 | 7.6/6.2 | 9.1/7.7 | 3.2/2.2 | 2.8/2.4 | 200 | 200 | 150 | 100 |
| 060 | ~60 | 11 | 2.2 | 0.12 | 0.75 | 0.37 | 7.4/5.8 | 8.7/7.1 | 3.2/2.2 | 2.8/2.4 | 200 | 200 | 150 | 100 |
| 070 | ~70 | 11 | 2.2 | 0.12 | 1.5 | 0.37 | 8.8/7.2 | 10.3/8.7 | 3.7/2.7 | 3.2/2.8 | 250 | 200 | 150 | 100 |
| 080 | ~80 | 11 | 2.2 | 0.12 | 1.5 | 0.37 | 9.3/7.7 | 10.9/9.3 | 3.7/2.7 | 3.2/2.8 | 300 | 250 | 150 | 100 |
| 100 | ~100 | 11 | 2.2 | 0.12 | 1.5 | 0.37 | 8.7/7.1 | 10.4/8.8 | 4.4/3.4 | 3.2/2.8 | 250 | 200 | 150 | 100 |
| 120 | ~120 | 15 | 2.2 | 0.12 | 1.5 | 0.37 | 9.2/7.6 | 11/9.4 | 4.6/3.6 | 3.2/2.8 | 300 | 250 | 150 | 100 |
| 150 | ~150 | 18.5 | 3.0 | 0.12 | 1.5 | 0.37 | 10.7/9.1 | 12.9/11.3 | 4.6/3.6 | 3.2/2.8 | 300 | 300 | 150 | 100 |
| 080D | ~80 | 11 | 2.2 | 0.24 | - | - | 10.3 | - | 4.4/3.4 | 2.7/2.3 | 250 | 200 | 150 | 100 |
| 100D | ~100 | 11 | 2.2 | 0.24 | - | - | 11.6 | - | 4.4/3.4 | 2.7/2.3 | 300 | 250 | 150 | 100 |
| 200D | ~200 | 22 | 3.0 | 0.24 | - | - | 13.3 | - | 4.4/3.4 | 2.7/2.3 | 350 | 300 | 150 | 100 |
| 250D | ~250 | 22 | 3.0 | 0.24 | - | - | 15.5 | - | 4.5/3.6 | 2.7/2.3 | 400 | 350 | 150 | 100 |
| 300D | ~300 | 30 | 3.7 | 0.24 | - | - | 17.9 | - | 4.4/3.4 | 2.7/2.3 | 450 | 350 | 150 | 100 |
Key Design & Performance Features
1. Curtain-flow steady flow structure ensures outstanding operational stability.
2. Ultra-high hydraulic loading rate, larger treatment capacity under the same footprint and high land utilization efficiency.
3. Short hydraulic retention time (HRT), fast purification speed, suitable for continuous large-flow water treatment.
4. High utilization efficiency of chemicals and power, lowering long-term operation costs.
5. Powerful deep purification performance, effectively removing trace grease, color, ultra-fine colloids and trace total phosphorus.
6. Strong tolerance to wide fluctuations in water flow and water quality, guaranteeing stable compliant effluent under complex working conditions.
Applications
1. Comprehensive wastewater from large-scale printing and papermaking industrial parks;
2. Wastewater from large-scale food processing and slaughter industrial parks;
3. High-concentration emulsified cutting fluid wastewater from fine chemical and machinery manufacturing industries;
4. Upgrade reconstruction of municipal wastewater treatment plants, advanced pretreatment for reclaimed water reuse;
5. River ecological restoration, and water treatment projects with stringent limits on ultra-low SS and ultra-low total phosphorus.
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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