High-density culture aeration device for grass carp

Abstract

The invention relates to the technical field of fish culture, and discloses a high-density culture aeration device for grass carp. The high-density culture aeration device comprises a culture pond, air supply pipes are placed at the bottom of the culture pond, a Roots blower unit is fixedly installed on the left side of the air supply pipes, aeration pipes are fixedly installed at the tops of theright sides of the air supply pipes, a support plate is fixedly installed at the upper ends of the right sides of the air supply pipes, and limit rods are fixedly installed on both sides of the top middle of the support plate. According to the high-density culture aeration device for the grass carp, the aeration pipes, the Roots blower unit and an impeller aerator are arranged to achieve the purpose of a good oxygen supply effect. The air supply pipes at the right end are set in a rectangular shape, and then the four aeration pipes are respectively fixed at all corners, the positions of the aeration pipes are staggered to the greatest extent, the problem of repetition of oxygen supply areas is solved, and the area of oxygen supply areas is increased, so that water entrained with oxygen canquickly move to surrounding areas, and oxygen supply is ensured to be relatively uniform.

Description

technical field [0001] The invention relates to the technical field of fish cultivation, in particular to an aeration device for high-density cultivation of grass carp. Background technique [0002] Grass carp belongs to the genus Grass carp of Cyprinidae, Cyprinidae, Yaluo subfamily. (Southern), Hunzi, black herring, etc., inhabit rivers and lakes in plain areas, generally prefer to live in the middle and lower layers of water and areas with many aquatic plants near the shore, are lively, swim quickly, often forage in groups, and are typical herbivores Fish, grass carp larvae eat larvae, algae, etc. in the juvenile stage. Grass carp also eat some meat, such as earthworms, dragonflies, etc., overwinter in the deep water of main streams or lakes. Many countries in Europe, America and Africa, because of its rapid growth and wide source of feed, it is one of the four major freshwater fishes in China. [0003] With the development of the economy, people's demand for fish has a...

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Problems solved by technology

[0003] With the development of the economy, people's demand for fish has also increased significantly, which has prompted many people to invest in fish farming. At present, grass carp farming basically adopts open-air pond farming. In order to ensure the economic benefits of farming to the greatest extent, people in Too many fish fry are often put into the breeding pond, and at this time it is easy to cause insufficient oxygen supply, which affects the growth of fish fry. Therefore, people need an aeration and oxygen supply device suitable for high-density cultivation of grass carp

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