Air Flotation Device

Principle of DAF

The Dissloved Air Flotation DAF Separator provides effective separation of suspended solids, fats, oils and greases from liquids. 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.

Applications

Corresponding water quality : high SS, and the specific gravity of suspended solids or contaminants is generally slight greater than water, settle effectively and have a pretty clear tendency to float, like:

Oil and Fats, Food Industry effluents with high solids concentration,
Sludge Thickening,
Galvanizing Electroplanting,
Pharmaceutical Industry,
Leather Industry,etc.

Advantages

1. Extremely high srcaping speed (2-3 times faster than conventional design) and safty operation.
2. High hydraulic load and less footprint, more effective separation and optimization hydraulic flow in the separation area.
3. Better outlet water quality because of W-shape sludge sedimentation hopper.
4. Effectively minimize chemical consumption because of re-flocculation performance of reverse scraping design.
5. No blind angle in scum collection chamber.

Features of DAF-100

1. Design treatment capacity: 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: >10 years;
Stainless steel material: >20 years.

Specifications

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.

Optional inclusions for DAF-100

1. Detailed installation manual and maintenance guideline are provided with the equipment.

2. Technical training and site-commissioning are available for you.

3. Any equipment issue, we will stand by. However, the visa fee, air tickets, accommodation, wages will be paid by buyers.

1. How to buy your idea products?

A:You can provide us your water sources, water quality, flow rate and ground area (connect us for more details).

2. How to pay?

A: TT and L/C are acceptable and TT will be more appreciated. 30% deposit before producing, 70% balance before loading by TT.

3. What is the delivery time?

A: It depends on order quantities. Generally speaking, the delivery time will be within 4 to 6 weeks.

4. How to pack the products?

A: We use standard package. If you have special package requirements, we will pack as required, but the fees will be paid by customers.

5. How to keep your equipments from corrosion?

A: We use the world-famous paint, like SigmaCoatings,PainBow,etc. What's more, we paint strictly according to the standard process.

6. How do you manufacture your equipment ?

A:Our machining technology includes laser/plasma cutting, automatic welding,CNC cutting and bending.

7. How to install after the equipments arriving destination?

A: We will provide detailed illustrations to you. If it is necessary, we will send technicians to help you. However, the visa fee, air tickets, accommodation, wages will be paid by buyers.