Air flotation tank refers to a tank that mainly uses a large number of micro-bubbles to capture and adsorb small particles of sticky matter to float up and achieve the effect of solid-liquid separation.
Introduction Air flotation tank is another name for air flotation machine. It is called differently in the north and south. Some are called air flotation, air flotation machine, air flotation pool, and super-efficient shallow air flotation. It mainly uses a large number of micro-bubbles to capture and adsorb fine particles. The sticky substance floats up to achieve the effect of solid-liquid separation.
Different air flotation pools have different effects, mainly depending on the air flotation dissolved air system and the release efficiency system.There are two main types of air flotation pools in the market: circular air flotation pools and rectangular air flotation pools; circular air flotation pools are called super-efficient shallow air flotation, and are the most advanced air flotation machines on the market. Using the shallow pool theory and the principle of zero velocity, and efficiently using the international advanced micro-oxidation technology and high-density ion bubble technology, the surface tension of the water has been changed, the dissolved oxygen in the water has been greatly improved, and a large amount of water has been adsorbed. The short-chain organic molecules and colored groups have made a technological breakthrough in COD, which is difficult to degrade both biochemically and physicochemically.The rectangular air flotation tank is a traditional air flotation process. It is only used to inject a large number of air bubbles in the water to float the particulate suspended matter in the water. The static floating effect cannot be achieved during the operation process, and the water output stability is generally poor.Air flotation tank The air flotation tank is generally composed of three parts: a flocculation chamber, a bubble contact chamber, and a separation chamber.It has the functions of completing the formation and growth of flocculation in water, the adhesion and capture of microbubbles to flocs, and the separation of air-bearing flocs and water.In addition to the air flotation tank itself, other ancillary facilities are required to be combined with it, such as the pressure drop air flotation tank, which needs to be equipped with a pressure gas tank and a dissolved air release device.
Application of air flotation tank Air flotation tank has been widely used in the purification of water supply with low turbidity of raw water, many algae, low temperature, high chromaticity and low dissolved oxygen. It is also widely used in oil refining, papermaking, printing and dyeing and other industries. wastewater treatment.Air flotation tank process principle Air flotation process principle Air flotation process is an efficient and fast method to separate solid particles from water and wastewater.Its working principle is that part of the treated wastewater is circulated into the dissolved air tank. In the state of pressurized air, the air is supersaturated and dissolved, and then mixed with the raw water added with flocculant at the inlet of the air flotation tank. The air is released, forming tiny air bubbles that quickly attach to the suspended matter and lift it to the surface of the flotation tank.This forms a sludge floating layer that is easy to remove, and the heavier solids settle at the bottom of the tank and are also removed.