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Air flotation work and system principle.
Air flotation separation is the air and water under certain
pressure and conditions, so that the gas is dissolved into the
water to a great extent, and strive to be in a saturated state, and
then the formation of pressure dissolved gas water through a
special device to release the pressure, the rapid production of a
large number of micro-bubbles, and the water is the floating
material (after the addition of flocs) in full contact with the
purple particles of the "net catch", "wrapping", "bridging" effect,
bubbles and is the floating material to form a stable entrained gas
floc, the density of which is less than that of the water. In the
purple particles of the "net catch", "wrapping", "bridge" role, the
bubbles and is floating to form a stable air-filled floc, its
density is less than water, so the air-filled cai body quickly rose
to the surface, is floating in the liquid surface agglomeration of
slag, slag scraping, removal that is, to achieve the separation of
solid-liquid The purpose of solid-liquid separation. The effect of
solid-liquid separation depends mainly on the following three
aspects.
1, the characteristics of floc formation after dosing in the water
body is hydrophilic or hydrophobic (appropriate dosing). 2, the
mixing reaction, to ensure that there are enough micro-bubbles in
time to fully contact with flocs
3, separation reaction, solid, gas, liquid mixture should have
appropriate residence time and smooth flow pattern, so that the
"entrapped flocs" float to the liquid surface, forming scum.
Control of liquid flow is one of the keys to the separation effect.
Air flotation Machine applicable to industry fields.
1, industrial wastewater pretreatment: food processing, pharmaceuticals, textile printing and dyeing, semiconductors, machinery, steel, chemical industry, aquaculture and other industries wastewater
2, sewage treatment plant: sewage pretreatment, upgrading, phosphorus removal
3,Water treatment plant: algae removal
4,Ecology: river, lake purification, landscape water treatment
5,Desalination project
Features and advantages.
Overall complete set, compact structure, cost-effective market retention, high maturity, stable performance, reliable operation
Hydraulic load: 4~6m3/(m2.h)
The allowable concentration of floating matter can be up to 3000mg/L.
Floaters can realize automatic skimming, the solid content can be as high as 30~100g/L applied to solid flocs density is generally lighter than water or close to water, precipitation phenomenon is weak water quality.
PARAMETER
Model Capacity | treatment capacity | Power meter(kw) | Size | orifice gauge | ||||||
m3/h | dissolved air pump | Aerators | Skimmer | L/L1 | W/W1 | H/H1 | water inlet | water outlet | mud vent | |
DAF-002 | ~2 | 0.75 | 0.55 | 0.2 | 3.3/2.5 | 2.4/1.16 | 2.1/1.7 | 50 | 50 | 80 |
DAF-003 | ~3 | 0.75 | 0.55 | 0.2 | 3.6/2.8 | 2.4/1.16 | 2.1/1.7 | 50 | 50 | 100 |
DAF-005 | ~5 | 1.1 | 0.55 | 0.2 | 3.9/3.0 | 2.4/1.16 | 2.1/1.7 | 80 | 50 | 100 |
DAF-010 | ~10 | 1.1 | 0.55 | 0.2 | 4.3/3.2 | 2.9/1.66 | 2.3/1.9 | 100 | 100 | 100 |
DAF-015 | ~15 | 2.2 | 0.75 | 0.2 | 5.4/4.3 | 2.9/1.66 | 2.3/1.9 | 100 | 100 | 100 |
DAF-020 | ~20 | 3.0/5.5 | 0.75 | 0.2 | 5.4/4.3 | 3.1/2.16 | 2.3/1.9 | 150 | 100 | 100 |
DAF-030 | ~30 | 3.0/5.5 | 0.75 | 0.2 | 6.5/5.4 | 3.1/2.16 | 2.3/1.9 | 150 | 150 | 150 |
DAF-040 | ~40 | 3.0/5.5 | 0.75 | 0.2 | 6.7/5.5 | 3.6/2.7 | 2.7/2.3 | 200 | 150 | 150 |
DAF-050 | ~50 | 7.5 | 1.5 | 0.2 | 7.6/6.3 | 3.6/2.6 | 2.7/2.3 | 200 | 150 | 150 |
DAF-060 | ~60 | 7.5 | 1.5 | 0.2 | 7.9/6.6 | 4.0/3.0 | 2.7/2.3 | 250 | 200 | 150 |
DAF-070 | ~70 | 11 | 1.5 | 0.2 | 9.2/7.9 | 4.0/3.0 | 2.7/2.3 | 250 | 200 | 150 |
DAF-080 | ~80 | 11 | 1.5 | 0.2 | 9.6/8.4 | 4.0/3.0 | 2.7/2.3 | 250 | 200 | 150 |
DAF-100 | ~100 | 15 | 2.2 | 0.2 | 10.7/9.4 | 4.4/3.4 | 2.7/2.3 | 300 | 250 | 150 |
DAF-120 | ~120 | 15 | 2.2 | 0.2 | 11.7/10.4 | 4.4/3.4 | 2.7/2.3 | 300 | 250 | 150 |
DAF-150 | ~150 | 18.5 | 2.2 | 0.2 | 12.5/11.4 | 4.4/3.8 | 2.7/2.3 | 300 | 250 | 150 |