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Wastewater Treatment Daf Unit Dissolved Air Flotation Machinegf Type Combined Air Flotation

In water treatment practice, air flotation separation and purification is one of the effective process methods for oil pollution, suspended solids, algae, etc. with a density close to water.
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Wastewater-Treatment-Daf-Unit-Dissolved-Air-Flotation-Machinegf-Type-Combined-Air-Flotation



In water treatment practice, air flotation separation and purification is one of the effective process methods for oil pollution, suspended solids, algae, etc. with a density close to water.

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Construction and working process
The GF type combined air flotation equipment consists of components such as an air flotation tank, a dissolved gas system, a dissolved gas reflux pipeline, a dissolved gas water release device, a slag scraping device (which can be used in combination, crane type, and chain plate type according to user needs), and an electrical control cabinet. Air flotation separation technology refers to the process of allowing air and water to dissolve into water to a greater extent under a certain working pressure, striving to be in a saturated state. Then, the formed pressure dissolved water is released through pressure reduction, producing a large number of fine bubbles that fully contact the suspended flocs in water. This allows the suspended flocs in water to adhere to the micro bubbles and float to the water surface together with the bubbles, forming scum and scraping off the scum, thereby purifying water quality. Air flotation mainly plays a role in solid-liquid separation (while reducing COD, BOD, chromaticity, etc.). After adding flocculants PAC or PAM to the raw water and undergoing effective flocculation reaction (time, dosage, and flocculation effect must be determined experimentally), the raw water enters the combined air flotation contact area. In the contact area, the microbubbles in the dissolved water adhere to the flocs in the raw water and enter the separation zone together. Under the buoyancy of the bubbles, the flocs and bubbles rise to the liquid surface together, forming scum. The scum is scraped from the scraping device to the sludge area. The clean water in the lower layer flows to the clean water tank through the collection pipe. Some of the clean water flows back for use in the dissolved gas system, while the other part is discharged.

Wastewater-Treatment-Daf-Unit-Dissolved-Air-Flotation-Machinegf-Type-Combined-Air-Flotation

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GF series without reaction zone combination air flotation installation dimensions (mm)

Model L B H l b h h1 h2 h3 DN1 DN2 DN3 DN4
GF-1 1500 1000 1300 1400 550 1080 150 800 750 50 32 50 32
GF-2 1960 1200 1600 1800 700 1300 200 1000 850 50 50 50 32
GF-3 3000 2100 2300 2800 800 1900
250
1400 900 80 50 80 50
GF-5 3200 2300 3000 1000 80 80 80 50
GF-10 4200 2500



2500
4000 1200



2100




1500

1100
100 100
100




80
GF-15 4700 2800 4500 1500 125 100
GF-20 4700 3100 4500 1800 150 125
GF-30 5700 3400 5500 2000


300
200 150
GF-40 7200 3300 6000 2200

1000
200 150

150
GF-50 7200 3800 6000 2700 250 200
GF-60 8200 3900 7000 2800 250 200
GF-70 9200 4100 8000 3000 250 200
GF-80 10200 4400 9000 3200 300 250
GF-100 10200 4800 9000 3600 1550 300 250

Installation dimensions of GF series combined air flotation with reaction zone(mm)

Model L B H l b h h1 h2 h3 DN1 DN2 DN3 DN4
GF-1T 1800 1000 1300 1700 550 1080 150 800 750 32 32 50 32
GF-2T 2360 1200 1600 2200 700 1300 200 1000 850 50 50 50 32
GF-3T 3460 2100 2300 3300 800 1900 200 1400 900 50 50 80 50
GF-5T 3660 2300 3500 1000 250 80 80 80 50
GF-10T 4700 2500





2500
4500 1200





2100
1900




1500

1100
100 100
100






80
GF-15T 5200 2800 5000 1500 100 100
GF-20T 5200 3100 5000 1800



1850
125 125
GF30T 7200 3100 6000 2000 125 150
GF-40T 8200 3300 7000 2200


1000
150 150


150
GF-50T 8200 3800 7000 2700 150 200
GF-60T 9200 3900 8000 2800 200 200
GF-70T 10200 4100 9000 3000 200 200
GF-80T 11200 4400 10000 3200 200 250
GF-100T 11700 4800 10500 3600 1550 200 250



Model
Processing Capacity
(m³/h)
Dissolved Water Volume
(m³/h)

Main Motor
(kw)

Inflatable Motor(kw)

Slag Scraper
(kw)

Blender
(kw)×2
Total Power
(kw)
Without reaction/Containing reactions
GF-1 0.5-1 0.3-0.5 0.55 0.55 0.18 0.37×2 1.28/2.02
GF-2 1-2 0.5-0.8 0.55 0.55 0.18 0.37×2 1.28/2.02
GF-3 2-3 1-1.5 1.1 0.55 0.2 0.4×2 1.85/2.65
GF-5 3-5 1.5-2 1.1 0.55 0.2 0.4×2 1.85/2.65
GF-10 5-10 3-4 1.5 0.75 0.2 0.4×2 2.45/3.25
GF-15 10-15 4-5 2.2 0.75 0.4 0.75×2 3.35/4.85
GF-20 15-20 5-7 2.2 0.75 0.4 0.75×2 3.35/4.85
GF-30 20-30 8-12 5.5 0.75 0.4 0.75×2 6.65/8.15
GF-40 30-40 10-15 5.5 0.75 0.4 0.75×2 6.65/8.15
GF-50 40-50 15-18 7.5 1.5 0.4 0.75×2 9.4/10.9
GF-60 50-60 18-20 7.5 1.5 0.4 0.75×2 9.4/10.9
GF-70 60-70 20-25 11 2.2 0.4 0.75×2 13.6/15.1
GF-80 70-80 25-30 11 2.2 0.4 0.75×2 13.6/15.1
GF-100 80-100 35-40 IE 2.2 0.4 0.75×2 17.6/19.1
GF-150 120-150 40-50 15 2.2 0.4 1.1×2 17.6/19.8
GF-200 180-200 70-80 22 4 0.4 1.1×2 26.4/28.6


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In addition to complete sets of sewage treatment equipment, air flotation machines, filter presses, and supporting water tanks, fans, water pumps, aerators, and biological fillers, our company also sells waste treatment equipment such as medical waste incinerators, pet and poultry carcass incinerators, etc.

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