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Fish pond aerator is a kind of machinery commonly used in fishery. Its main function is to increase the oxygen content in the water to ensure that the fish in the water will not be hypoxic. At the same time, it can also curb the growth of anaerobic bacteria in the water and prevent the deterioration of the pond water from threatening the living environment of the fish. Fishpond aerators generally rely on their own air pumps to pump air into the water to increase the oxygen content in the water. The following is a detailed introduction to the role of the fish pond aerator:
1. Increase oxygen to save fish and maintain high production
According to measurements, each kilowatt impeller aerator can add more than 1.8 kilograms of oxygen to the water per hour, which is enough for several tons of fish to breathe for 1 hour, and can solve the problem of hypoxia in pond fish in time. After the aerator was put into use, the living conditions of fish ponds changed from a natural ecosystem to an artificially controlled ecosystem, breaking through the containment of fish load in static waters of fish ponds under natural conditions. According to the number and types of fish in the pond and different climatic conditions, the oxygen content required for the growth of pond fish is artificially satisfied, creating important conditions for high and stable production.
2. Promote the convective exchange of water bodies
The impeller aerator has the function of lifting water upwards. After startup, the pool water circulates vertically to make the pool water under 2 meters convection with the surface of the pool water, transport the nutrients and reducing substances adsorbed at the bottom of the pool to the surface, and transport the oxygen-enriched water from the surface to the bottom to achieve uniform water quality. The dissolved oxygen in the upper water can be restored and replenished through photosynthesis after it is reduced.
3. Toxic gas escapes and concentrated oxygen is released
The aerator can make the dissolved gas in the pool water escape into the air during the process of stirring the water. It can accelerate the dissipation of toxic gases (hydrogen sulfide, ammonia) in the water. When it is turned on at noon, the high concentration of dissolved oxygen in the upper oxygen-enriched water will be dissipated. However, due to the strong stirring effect of the aerator, the liquid level is fresher, and of the dissolved oxygen diffuses to the lower layer through the stirring effect.
4. Reduce the feed coefficient
This is an indirect function of the aerator. Fish is an animal whose temperature changes, and its feed coefficient changes. When the water temperature is suitable and the dissolved oxygen concentration is high, the water intake coefficient is low. The feed coefficient of low dissolved oxygen is one or several times higher than that of high dissolved oxygen.
The above is about the function of the fish pond aerator. Reasonable use of fish pond aerators can effectively increase the dissolved oxygen in the pond water, accelerate the material circulation of the pond water body, remove harmful substances, and promote the reproduction of plankton. At the same time, it can prevent and reduce fish floating heads, prevent flooding, improve the water quality of the pond, increase the food intake of fish, and increase the yield per unit area.