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SY-DAF High-Efficiency Dissolved Air Flotation Integrated Equipment
The SY-DAF high-efficiency dissolved air flotation integrated equipment, independently developed by Shuiyi, is a purification and oxygenation device that removes suspended solids (including fine, insoluble particles such as oils) from wastewater by generating microbubbles that come into contact with suspended solids. This causes the density of the suspended solids to fall below that of water, resulting in the solids rapidly rising to the surface.
It can be applied in pretreatment processes to reduce downstream process load, oil removal, greywater reuse, landscape water circulation, advanced treatment, and effluent phosphorus removal. It is a key component in removing suspended solids, reducing BOD, COD, and total phosphorus, and increasing dissolved oxygen in water.
Keywords:
SY-DAF High-Efficiency Dissolved Air Flotation Integrated Equipme
China Landfill Leachate Treatment
01.Application areas
• Water treatment plant pretreatment
• Municipal wastewater upgrading and renovation
• Aquaculture wastewater treatment
• River and lake water body treatment
• Industrial wastewater pretreatment
02.Equipment technical advantages
• Microbubble particle size: 10–30 μm, featuring longer residence time in water.
• Surface loading rate up to 10–30 m³/(m²·h), enabling a smaller footprint.
• Gas-water mixing efficiency reaching over 95%.
• Supply of complete sets of equipment with convenient on-site installation.
• Adjustable liquid level system and slag scraping system for controllable slag moisture content.
• Top-mounted releaser, realizing maintenance without shutdown.
Treatment Effect Diagram
Treatment Performance Chart
| Equipment Model | Treatment Capacity (m³/h) | Treatment Capacity (m³/d) | Dimensions (L×W×H, mm) | Inlet Diameter Specification | Outlet Diameter Specification | No-load Weight (kg) | Full-load Weight (kg) | Installed Power (kW) | Remarks |
| SY-DAF-50 | 50 | 1000 | 7000*2500*1900 | DN200 | DN200 | 6000 | 37000 | 7.6 | The installed power includes: reflux pump, air compressor, scraper, and reaction tank agitator |
| SY-DAF-80 | 80 | 1500 | 7500*3000*2600 | DN200 | DN200 | 8500 | 63600 | 11.07 | |
| SY-DAF-100 | 100 | 2000 | 8500*3000*2600 | DN250 | DN250 | 9900 | 72400 | 14.57 | |
| SY-DAF-150 | 150 | 3000 | 10000*3000*2600 | DN300 | DN300 | 10900 | 83000 | 15.3 | |
| SY-DAF-200 | 200 | 4000 | 12000*3200*2600 | DN350 | DN350 | 13000 | 109000 | 15.3 | |
| SY-DAF-300 | 300 | 6000 | 14000*3600*3000 | DN400 | DN400 | 16000 | 158000 | 21 | |
| SY-DAF-400 | 400 | 8000 | 15000*3600*3000 | DN400 | DN400 | 16900 | 172000 | 25.1 | |
| SY-DAF-625 | 650 | 15000 | 16000*3800*3400 | DN600 | DN600 | 18000 | 217000 | 29.6 |
*Note: The installed power of the equipment does not include the power of the inlet lift pump.
Installed power includes: return pump, air compressor, slag scraper and reaction tank agitator.
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