Product DescriptionLiquid-solid separation technology and the
related equipment are the essential factor to drainage treatment
process. Dissolved air flotation is the most effective method for
removing the tiny pollutants from the waste water.Working
TheorySuperficial DAF System, also called cirlar shallow DAF
system. It's the main treatment device in water purification
system. It mainly used for remove SS--suspended solids and reduce
the COD in the waste water.Superficial DAF designed according to
Zero Speed Principle and Shallow Pool Theory. First of all,
the depth of the tank is just 750-950mm. The influence from the
equalization tank is pumped into the circular DAF tank after
coagulation and flocculation. The rotating system with distributor,
scum skimmer and collecting pipes is driven for anti-clockwise
rotation while the influence comes at clockwise direction. In this
way, the water speed in the tank is zero relatively. The micro
bubbles generated by GFA dissolved air system would mix the
flocculation and float onto the surface. The depth of the tank
is just 750-950mm, which can separate liquid and solids
effectively. The scum is scrapped by the rotating skimmer into
the central scum slot and falls down the sludge tank
downstairs. The clean water is collected and flow into the clean
tank. Electric cabinet control all the elements and it just take
3-5 minutes to purify the waste water. Technical Data Sheet
ModelTank Diameter(m)Capacity(m3/h)Drive motor(kw)Skimmer(kw)Pump
(kw)Air compressor(kw)Total
power(kw)GQF-10Φ25~100.750.751.50.754.45GQF-30Φ320~301.10.7530.755.6GQF-50Φ440~501.11.17.51.511.2GQF-70Φ560~701.51.1112.215.8GQF-100Φ680~1001.51.1152.219.8GQF-150Φ7120~1501.51.1152.219.8GQF-200Φ8180~2002.21.522429.7GQF-250Φ9220~2502.21.522429.7GQF-300Φ10280~3002.21.5305.539.2GQF-400Φ11350~4002.21.5305.539.2GQF-500Φ12450~50032.2457.557.7GQF-600Φ13550~60032.2457.557.7GQF-700Φ14650~70032.2557.567.7GQF-800Φ15750~80032.2751191.2Capacity30-800M3/HRe-flux
ratio30%Cell depth700-900MMDissolved water press≥0.4MPAEffective
depth600-750MMSpeed1/5~1/10RPMHRT5-10 MINWater surface6~8
M3/M3.HApplicationDAF System, as one waste water treatment process,
it is widely used in sewage purification engineering. It can be
used for these industries:1. Paper industry -- pulp recycle in
white water and clean water recycled for use.2. Textile, printing
and dyeing industry -- color chromaticity reduction and SS
removal3. Slaughterhouse and food industry4. Petro-chemical
industry -- oil-water separation/* March 10, 2023 17:59:20
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