Home > Products > Dissolved air flotation machine > DAF dissolved air flotation waste water treatment unit
DAF dissolved air flotation waste water treatment unit
- 300 Set / Sets per Month
- Qingdao
- T/T
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Product Details
Place of Origin | Shandong, China | Brand Name | Yimei | |
Model Number | YMRF-80 |
Product Description
Working Principle :
The air will be send by air compressor into air tank, then take in air dissolved tank by jet flow device, the air will be force to dissolve into water under 0.35Mpa pressure and forming dissolved air water, then send to air flotation tank. Under the circumstance of sudden release, the air dissolved in water will be dissolve out and form vast microbubble group, which will be fully contact the flocculating suspended matter in sewage, the suspended matter was sent by pump and flocculation after adding flocculant, the ascending microbubble group will adsorb in the flocculated suspended matter, made its density reduce and floated to water surface, thus reach the purpose of removing SS and CODcr etc.
The DAF Separator provides effective separation of suspended solids, fats, oils and greases from liquids by dissolved air flotation. Flotation of the solids is accomplished by the introduction of tinny air bubbles into the process water. As the bubbles rise, they attach themselves to the particales in suspension and carry them to the surface for removed.
Main advantage
1. Lamella plate technology increases the effective area of the unit giving an enhanced hydraulic capacity.
2. Sturdy and compact with a significantly smaller footprint than most conventional units. It occupies only half of traditional DAF system, but SS removal rate is much higher than conventional unit.
3. Heavy duty scrapers and sludge concentration ranging from 30g/L to 100g/L.
4. Integrated chemical reaction system and dosage will be reduced 10%-30%.
5. No blind angle in scum collection chamber.
Features
1. Design treatment capacity: 1~100 m3/h.
2. High-rate clarifier for medium to low SS water (light particles, oil and colloid).
3. Fully(100%) manufactured in the factory, and no need secondory welding. It costs 3h for 2 manpower to assemble.
4. Indoor or outdoor layout (environmental temperature should be over 0°C).
5. Apply to automatic & continious operation.
6. Design life: Carbon steel material: >10years;
Stainless steel material: >20years.
Application of DAF
Corresponding water quality: high SS, and the specific gravity of suspended solids or contaminants is generally close to or less than water, settle slowly, persist by remaining in suspension, or have a tendency to float, like
Textile Industry,Oil and Fats, Food Industry effluents with high solids concentration,
Dairies, Algae-laden water, Landscape water treatment, etc...
Specifications
No | Category | Description |
1 | Tank | Q235B Tank |
Q235B Reinforcement | ||
SUS304 Clean water Collection pipe | ||
UPVC Lamella Plate | ||
SUS304 Effluent Channel | ||
Adjustable Liquid Level Gauge |
Carbon Steel surface finish and corrosion treatment
1. Sand Blasting/ Shot Peening, ISO Sa≥2.5,epoxy Zinc Rich Primer, 50μm/coat.
2. Internal: a) Epoxy Zinc-rich Primer, 50μm/coat×1;
b) Epoxy Mastic Paint, 100μm/coat×2~3;
c) Total film thickness: ≥250μm.
3. External: a) Epoxy Zinc-rich Primer, 50μm/coat×1;
b) Epoxy Micaceous Iron Intermediate Paint, 50μm/coat×1;
c) Polyurethane Finish, 50μm/coat×1;
d) Total film thickness: ≥150μm.
Spraying Method: High-Pressure Airless Spraying
Device Color: Light Sea Blue (PANTONE No.RAL5015),or according to customers’ demands.
Standards for Interface Flange
China: JB/T81-1994, PN 1.0
America: ANSI 150
Japan: JIS 10K
Vulnerable Part and Its Replacement Cycle
No | Category | Replacement Cycle |
1 | Dissloved Air Pump Mechanical Seal ( one for free ) | 6000~10000h |
2 | Solenoid Valvel ( one for free ) |
|
3 | Chain ( ten segment for free ) | 20000~30000h |
Optional inclusions for DAF-100
No | Category | Desription |
1 | Tank Material | SUS304, SUS316, Duplex Stainless Steel |
2 | Pipe material | Q235B Line with Rubber, PVC, SUS304, SUS316, Duplex Stainless Steel |
3 | Pump brand | CNP, GSD PUMP |
4 | Protection grade of electric equipment | according to circumstances, even for IP55 |
5 | Explosion-proof | if required |
Contact Us
- Qingdao Yimei Environment Project Co., Ltd.
- Contact namelin chen Chat Now
- Phone86-532-88180456
- AddressChang an Road, Jiaonan Qingdao, Qingdao, Shandong
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