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The commonly used aerators are as follows. We will sort out the advantages, disadvantages and applicable conditions of different aerators as follows:
1. Impeller aerator
It has comprehensive functions such as oxygenation, water stirring and gas explosion. Its oxygenation capacity and power efficiency are better than other models, but the operation noise is relatively large, and it is generally used for large-area pond culture with a water depth of more than 1 meter.
2. Waterwheel aerator
It has a good effect of increasing oxygen and promoting water flow, and is suitable for ponds with deep silt.
3. Jet aerator
Its aeration power efficiency exceeds that of waterwheel type, inflatable type, water spray type and other forms of aerators, and its structure is simple, which can form water flow and stir water body. The jet oxygenation function can make the water body aerate smoothly without damaging the fish body, which is suitable for the use of oxygenation in the fry pond.
4. Water spray aerator
It has a good oxygen-enhancing function, can rapidly increase the dissolved oxygen in the surface water in a short time, and also has artistic ornamental effect, which is suitable for fish ponds in gardens or tourist areas.
5. Inflatable aerator
The deeper the water, the better the effect, and it is suitable for use in deep water.
6. Inhalation aerator
The air is sent into the water through negative pressure suction, and it forms a vortex with the water to push the water forward, so the mixing force is strong. Its oxygen-enhancing ability to the lower water is stronger than that of the impeller aerator, and its oxygen-enhancing ability to the upper water is slightly inferior to that of the impeller aerator.
7. Eddy flow aerator
Mainly used for oxygenation of subglacial water in the north, with high oxygenation efficiency.
8. Oxygen pump
Because it is light, easy to operate and has a single oxygen-enhancing function, it is generally suitable for fry cultivation ponds or greenhouse cultivation ponds with a water depth of less than 0.7 meters and an area of less than 0.6 mu.