Circulated zoning-layering purification breeding pond and construction method thereof

• Main Authors: CHEN TAIFENG, LI JINMING, LIU JUNQIANG, YE SHUCAI, DING JIANHUA, LIN XIAOQIN, CHEN GUOJUN, ZOU JIXING, HUANG XIAOSHENG
• Format: Patent
• Language: Chinese; English
• Published: 12.05.2020
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; NEW BREEDS OF ANIMALS; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; TRAPPING

The invention discloses a circulated zoning-layering purification breeding pond. The key points of the technical schemes are as follows: the pond includes an intensive breeding area, a precipitation denitrification reduction area, an aeration circulation purification area, a biological purification area and a water supply area which are in successive communication; the water supply area communicates with the intensive breeding area; a first water wall is arranged between the intensive breeding area and the precipitation denitrification reduction area; a second water wall is arranged between the precipitation denitrification reduction area and the aeration circulation purification area; the second water wall is higher than the first water wall; the upper part of the water area of the precipitation denitrification reduction area is provided with a biological filler; and the lower part of the water area of the precipitation denitrification reduction area is used for accumulating and processing remnant bait and f