DAF Clarifier
The air floatation treatment technology of water and waste water refers to the formation of tiny bubbles in water, so that the tiny bubbles adhere to the particles in the water to form a water-gas-particle three-phase mixed system.
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Floating flocs with a density less than water, the flocs float to the surface of the water, and the scum layer is scraped off, so as to achieve solid-liquid separation and purify sewage.
Technical Data
Product detail
Original: Jiangsu, China
Certification: ISO9001, ISO14001, etc.
Price: Negotiable
Material: SUS304/Q235/FRP
Voltage: 380V 50Hz, the voltage can be as local demand
Payment term: TT, LC
Delivery date: Negotiable
Packing: export standard
Market: Middle East/ Africa/Asia/South America/Europe/North America
Warranty: 1 year
MOQ: 1 set
Equipment characteristics
When the air floatation machine is in use, it can process more water sources per unit time, with high working efficiency and small footprint. The whole process and equipment are simple in structure, easy to use and maintain. At the same time, sludge swelling can be eliminated.
In fact, users will feel its high efficiency when using the air floatation machine, especially for the removal of surfactants and odors in the water. At the same time, the aeration increases the dissolved oxygen in the water, providing subsequent treatment Favorable conditions. For water sources with low temperature, low turbidity, and algae, the air floatation method can achieve the best results. During the air floatation process, when the scum on the water surface of the air floatation tank reaches a certain thickness, the slag scraper is scraped into the air floatation sludge pool and discharged.
Because of these advantages, the air floatation machine has been widely used quickly. Its application fields include:
1. Papermaking white water pulp recovery and clean water reuse;
2. Various heavy metal ion removal;
3. Refining wastewater and oil pollution Separation;
4. Removal of impurities in tanning wastewater;
5. Removal of chroma and impurities in textile printing and dyeing wastewater;
6. Solid-liquid separation of sludge and membrane after various treatments;
7. Sludge concentration, etc.
Working principle
Air floatation machine is a complete air floatation water purification device. Theoretically, there is no direct relationship between the treatment quality and the residence time of the air floatation machine. But it is related to the air flotation area. If the air flotation area of the water depth H is reduced to the water depth H / 10, the air flotation distance and the residence time will be reduced by 10 times. This is the famous "shallow pool theory".
The air floatation machine is specially equipped with a new type of container device, which can greatly improve the water purification effect. The purpose of adding the inclined tube in the air float zone is to increase the air float area, greatly reduce the Reynolds coefficient, avoid the air float under turbulent flow, and create a good laminar flow state to achieve the effect of shallow air float. Similarly, when the density of suspended matter is greater than 1, due to the installation of the inclined tube group, it will produce the effect of shallow pool sedimentation, so that the sedimentation proceeds under turbulent conditions. The pollutants that are difficult to float when the particle size is large and the specific gravity is large will be concentrated in the mud collection area to achieve the purpose of water purification.
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