DAF operates on the principal of the transfer of floc to the surface of water through attachment of air bubbles to the floc. The floc accumulated on the surface, known as the 'float', is skimmed off as sludge. The clarified water is removed from the bottom and is sometimes called the subnatant or 'floated' water.
Since rain, snow, wind or freezing could cause problems with the float, flotation tanks must be fully enclosed in a building. The process is particularly suited to treatment of eutrophic, stored lowland or otherwise algae laden waters and soft, low alkalinity upland coloured waters. Like all clarification processes, flotation performance depends on the effectiveness of coagulation and flocculation. Polyelectrolyte dosing is often included to compensate for reduced performance at low water temperature or if the floc is fragile.
| Model | QK-DAF10 | QK-DAF25 | QK-DAF50 | QK-DAF80 |
|---|---|---|---|---|
| Capacity (m3/h) | 10 | 25 | 50 | 80 |
| Dimensions (mm) | 4000*2000*2250 | 6000*2500*2250 | 8000*2800*2250 | 9000*3000*2250 |
| Water return pump (kw) | 4 | 5.5 | 7.5 | 11 |
| Scraping unit motor (kw) | 0.37 | 0.37 | 0.55 | 0.75 |
| Air compressor motor (kw) | 1.5 | 1.5 | 2.2 | 3 |
With more than 16 years of forging ahead, combining with advanced technology from China and abroad, we own abundant practical experience and a high-tech research team. We offer a one-stop service for all kinds of waste water treatment projects and have accumulated hundreds of references in pulp and paper, printing and dyeing, chemical fiber, chemicals, leather, breeding, and municipal sewage treatment.
Business Scope:
Three waste treatment; all kinds of industrial and domestic wastewater treatment project EPC, kitchen waste treatment, landfill leachate treatment, soil remediation and manufacturing of all kinds of environmental protection equipment.
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