Briefly describe the functions of the fish pond aerators!

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Briefly describe the functions of the fish pond aerators!

Update:22 Oct 2021

Fish pond aerator is a kind of machinery commonly used […]

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 deprived of oxygen. At the same time, it can also inhibit the growth of anaerobic bacteria in the water and prevent the deterioration of the pond water quality from threatening the living environment of fish. Fishpond aerators usually inject air into the water through their own air pumps to increase the oxygen content in the water.


1. Increase oxygen to save fish and maintain high yields
According to measurement, each kilowatt impeller aerator can add more than 1.8kg of oxygen to the water per hour, which is enough to allow several tons of fish to breathe for an hour, and can solve the problem of lack of oxygen in pond fish in time. After the aerator was put into use, the living conditions of the fish pond changed from a natural ecosystem to an artificially controlled ecosystem, breaking through the restriction on fish load in the static water area of ​​the fish pond 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 fish in the pond is artificially satisfied, which creates important conditions for high and stable production.


2. Promote 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 below 2m 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 body can be restored and supplemented by photosynthesis after reduction.



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 mixing process. It can accelerate the release of toxic gases (hydrogen sulfide and ammonia) in the water. 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 relatively fresh, and most of the dissolved oxygen diffuses to the lower layer through stirring.


4. Reduce the feed coefficient
This is an indirect function of the aerator. Fish is an animal whose temperature changes and 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 fish pond water, accelerate the material circulation in the fish pond water, remove harmful substances, and promote the reproduction of plankton. At the same time, it can prevent and reduce fish floating heads, prevent pond flooding, improve pond water quality, increase fish feed intake, and increase unit area yield.