How to increase oxygen in fish ponds

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How to increase oxygen in fish ponds

Update:14 Dec 2022

  There are many types of aerators, pond condition […]


There are many types of aerators, pond conditions are different, and breeding species are different. Farmers should choose and match aerators reasonably. The climate in mainland China is divided into tropical, subtropical, temperate, and frigid zones; there are also many species of culture, and the southern coast is dominated by shrimp farming. The ponds built are generally small, mostly less than 5 mu, and the breeding density is 100,000 to 350,000 fish per mu. . Pond oxygenation is generally divided into three aspects: oxygenation of the surface layer of the water surface, oxygenation of the middle layer and bottom layer of oxygenation.


At present, there are impeller type, water wheel type, jet type, water spray type, inflatable type and vortex type aerators commonly used in the market. The motor speed of the jet type aerator is 2850 rpm, which directly drives the rotating shaft, rotating blades, and releasing oxygen and dissolve in water.



The motor speed of other impeller type, water wheel type, water spray type aerator, inflatable type and vortex type aerator is 1450 rpm. They all use the reducer to convert the reduction ratio, and use various methods to reduce the air in the air. oxygen dissolved in water.


The surface oxygenation efficiency is high, and the middle layer oxygenation is generally represented by a jet-type aerator. This aerator can adjust different heights according to the depth of the pond. Through the high-speed rotation of the motor, it is transmitted to the blades in the water to achieve oxygenation. Effect. Bottom oxygenation generally uses Lu-style fan to compress the air, and quickly transfer the oxygen in the air to the bottom of the pond through pipes and nanotubes.