Dissolved Air Flotation Units DAF Machine For Domestic Wastewater
Treatment
DAF dissolved air flotation consists of flotation tank, dissolved
gas system, return pipe,
dissolved gas release system, separator (according to customer
demand, combined, walking
and chain plate selection), electric cabinet and so on. .
DAF air flotation separation technology dissolves air into water at
a certain working pressure.
During this process, the pressurized water is saturated with
dissolved air and discharged into
a flotation vessel. The tiny bubbles generated by the released air
adhere to the suspended
solids and float to the surface to form a sludge layer. The spoon
removes the thickened
sludge. Finally, it completes the purification of the water.
Application in Various Industry
The aim of dissolved air flotation is to separate the fine
suspended solids in water, algae and
micro-floc. And dissolved air flotation can be used in the
following industries:
1. Separate or recycle waste oil or grease in : oil exploration and
refining, biodiesel, machining
, food production and catering and so on.
2. High concentration organic wastewater treatment: paper, printing
and dyeing, textile,
leather, pharmaceutical, fermentation wastewater and so on.
3. Biochemical effluent liquid separation: the anaerobic effluent
solid-liquid separation, aerobic
(activated sludge process, contact oxidation, filter) biochemical
water solid-liquid separation,
the secondary settling tank Effluent treatment and so on.
4. Farm and slaughter house wastewater treatment: cattle, pigs,
chickens farm, slaughter
house wastewater.
5. Manufacturing waste: electroplating, painting, etc.
6. Purification: river, landscape, recycle water and so on.
Advantage
1. Flow rate of one set: 1-300 m³/h.
2. Recycle flow dissolved air flotation.
3. High efficiency pressurization system providing high quantity
dissolved-air water to create
large quantities of small bubbles.
4. Custom design on different dissolved air flotation equipment and
recycle flow ratio
according to the type of wastewater and treatment requirement to achieve target
removal
effect and stability.
5. Adjustable stainless steel chain type skimmer to suit the
different quantity of sludge.
6. Integrated coagulation tank and or flocculation tank and
cleaning water tank(as optional)is
available to save the space and cost.
7. Automatic and remote controllable.
8. Material of construction: carbon steel epoxy painted, carbon
steel FRP line, stainless steel
SS304/SS316L.
Technical parameters
| Model | Capacity(m3/h) | Dissolved Air Water Volume (m3/h) | Main Motor Power(KW) | Scraper Power(KW) | Air Compressor Power(KW) | Dimension (mm) |
| HLDAF-5 | 4-5 | 2 | 3 | 0.55 | 0.75 | 2800*2100*2200 |
| HLDAF-10 | 8-10 | 3.5 | 3 | 0.55 | 0.75 | 3700*2100*2200 |
| HLDAF-15 | 10-15 | 5 | 4 | 0.55 | 1.5 | 4500*2200*2300 |
| HLDAF-20 | 15-20 | 8 | 5.5 | 0.55 | 1.5 | 4650*2400*2300 |
| HLDAF-30 | 20-30 | 10 | 5.5 | 0.75 | 1.5 | 5840*2700*2300 |
| HLDAF-40 | 35-40 | 15 | 7.5 | 0.75 | 1.5 | 6800*2700*2300 |
| HLDAF-50 | 45-50 | 25 | 7.5 | 0.75 | 2.2 | 7500*2900*2300 |
| HLDAF-60 | 55-60 | 25 | 7.5 | 1.1 | 2.2 | 8500*2900*2300 |
| HLDAF-70 | 65-70 | 30 | 15 | 1.1 | 2.2 | 9000*2900*2300 |
| HLDAF-80 | 75-80 | 30 | 15 | 1.1 | 2.2 | 9300*3500*2300 |
| HLDAF-100 | 95-100 | 50 | 15 | 1.1 | 3 | 117500*3750*2300 |
| HLDAF-150 | 140-150 | 50 | 15 | 1.5 | 3 | 12100*3750*2300 |
| HLDAF-200 | 190-200 | 80-100 | 22 | 1.5 | 3 | 12400*3750*2860 |
| HLDAF-250 | 240-250 | 100 | 22 | 1.5 | 3 | 14700*3750*2860 |
| HLDAF-300 | 280-300 | 100 | 22 | 1.5 | 3 | 19100*3750*3150 |
