Aeration technology in water treatment of aquatic aerator

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Aeration technology in water treatment of aquatic aerator

Update:15 Nov 2019
Summary:

The reliability and accuracy of the aquatic aerator are […]

The reliability and accuracy of the aquatic aerator are much higher than the manual control, even if the instrument fails, it can alarm in time. Greatly reduced the possibility of floodplain. Reduce the feed coefficient and increase the unit yield. The instrument raises oxygen in advance, so that the fish and shrimp no longer lack oxygen floating head, avoiding the lack of oxygen floating head, and the phenomenon of not eating long on the third day, maintaining vigorous physical strength and appetite, improving the utilization rate of the bait, and ensuring the growth rate. The feed coefficient is reduced and the yield is increased. At present, water environment treatment technologies mainly include physical technology, chemical technology, biotechnology, and application of integrated technology. Among them, aeration and aeration technology is the core technology in physical technology. Although aeration is a very mature technology and product in wastewater treatment. However, the surface water bodies of rivers, landscape water bodies, reservoirs, etc. have large areas, different shapes, and difficulties in power supply, which makes it difficult to apply conventional aeration technology and products in sewage treatment to surface water environment treatment. According to the survey, China's water environment management company has developed a variety of aeration and aeration products suitable for surface water environment through technology introduction and research and development, and has successfully applied to many projects. With the acceleration of urban development, urban water pollution has become a prominent problem and governance problem in China. Urban rivers and landscape water bodies are mostly closed or closed water bodies with poor water area, easy pollution, small water environment capacity, and poor self-purification ability of water bodies. In addition to external pollution, it is easy to cause eutrophication of water bodies. Black stinks.

Aquatic aerators describe the use of aeration and aeration technology to improve the dissolved oxygen in water to restore the water environment and treat pollutants in water is a common means in water environment management. According to the size of the bubble, the principle of action and the energy, there are three main aeration technologies and products currently applied to the project. One is a micro-nano aerator that produces micron-sized bubbles and nano-scale bubbles by high dispersion in the gas and liquid phases. Micro-nano bubbles have special physical and chemical properties such as long survival time, large specific surface area, high interfacial activity, and band energy. One is a clean energy aerator, such as a solar aerator, a wind aerator, and a dual-purpose aerator. This kind of aerator generally uses clean energy to drive the motor, and realizes oxygen enrichment or blast and oxygen transmission by mechanical components. One is a push-flow aerator, which can form a flow in a certain area according to needs, enhance the water circulation, and at the same time have an aeration function. From the perspective of oxygen enrichment effect, the micro-nano bubble aerator has a good effect, but it is subject to problems such as small action area and large power consumption. From the point of view of oxygen delivery, the micro-nano bubble generator is high, the ecological water environment restoration system and the wind-solar complementary aeration system are second, and the solar aerator and the water-lifting solar aerator with atmospheric oxygen reoxygenation are lower. Strictly speaking, the micro-nano bubble generator is not an aerator, but an advanced oxidation technology of ultra-microbubbles, which can open the ring of pollutants in the water through the characteristics of high-surface energy. Degradation, oxidative degradation and high temperature pyrolysis completely eliminate black odor, activate water bodies, promote mineralization of sediment surface, improve water quality and improve transparency.