A filter-type sleeve cage for freshwater aquaculture

Abstract

The invention discloses a filter-type sleeve net cage for freshwater aquaculture, which includes a frame plate, a U-shaped plate is fixedly arranged on the lower wall of the frame plate, and the side plates on both sides of the U-shaped plate are symmetrically fixed on the frame. At the center of the lower walls on both sides of the plate, two net cages are symmetrically fixed on the lower wall of the frame plate, and the two net cages are symmetrically arranged on both sides of the U-shaped plate, and the two net cages One side close to the U-shaped plate is provided with openings. The invention adopts spliced ​​net cages to drive fish and shrimp to one side of the net cage and quickly remove the other side of the net cage for cleaning. The problem of cleaning the cage ensures the cleaning frequency of the cage, which not only effectively avoids the problem of poor filtration effect caused by the clogging of the cage, ensures that the water quality in the cage is suitable for freshwater fish breeding, but also effectively avoids feed residue in the cage Long-term residues cause eutrophication of water bodies and protect the water environment.

Description

technical field [0001] The invention relates to the technical field of freshwater fish cultivation, in particular to a filter-type sleeve cage for freshwater cultivation. Background technique [0002] Freshwater aquaculture refers to the use of ponds, reservoirs, lakes, rivers and other inland waters to raise and reproduce aquatic economic animals (fish, shrimp, crab, shellfish, etc.) and the production of aquatic economic plants. , lakes, river ditches, etc.) as the space, put in feed, fertilizer or rely on natural bait in the water body, adopt various technical measures to raise fish or other aquatic animals, and finally obtain fish or other aquatic products, so as to achieve certain economic benefits. Activities are also an important part of inland aquaculture, and in the process of freshwater aquaculture, it is often necessary to use cages to enclose the farmed fish and shrimp for easy fishing and feeding. [0003] However, in the prior art, in the traditional freshwate...

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Problems solved by technology

[0004] The object of the present invention is to solve the shortcomings existing in the prior art, such as: traditional freshwater culture adopts integral net cages, it is relatively difficult to clean up, and if it is not cleaned for a long time, it is easy to damage the water quality and affect fish and shrimp culture, and proposes a freshwater cage. Filter cage for farming

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