Recirculating aquaculture system with large annular aquaculture pond as core
A technology for circulating aquaculture and aquaculture ponds, which is applied in the field of fish aquaculture ponds, and can solve the problems of low space utilization, large manpower consumption of pipelines, and complicated layout and installation of water inlet and drainage pipelines, etc.
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Embodiment 1
[0016] Embodiment 1: as figure 1 and figure 2 As shown, the large-scale annular culture pond of the present invention is the recirculating aquaculture system of core, comprises two culture ponds A4 and the culture pond B2 that the inner and outer sleeves connect, and the outside of the culture pond A4 is provided with a physical filter pond 6, the culture pond A4 and the culture pond B2. The side and the bottom of the breeding pond B2 are provided with drains, and the drains are connected to the physical filter 6, and the physical filter 6 filters impurities and particulate matter in the water. The biological filter 11 is provided in the breeding pond B2, and the physical filter 6 is connected to To the biological filter 11, the biological filter 11 filters the microorganisms in the water, and the anaerobic denitrification reaction tank 12 is connected in the biological filter 11, and the anaerobic denitrification reaction tank 12 carries out denitrification treatment to the ...
Embodiment 2
[0025] Embodiment 2: as figure 1 and figure 2 As shown, the large-scale annular culture pond of the present invention is the recirculating aquaculture system of core, comprises two culture ponds A4 and the culture pond B2 that the inner and outer sleeves connect, and the outside of the culture pond A4 is provided with a physical filter pond 6, the culture pond A4 and the culture pond B2. The side and the bottom of culture pond B2 are provided with drain outlet, and drain outlet is connected to physical filter tank 6, is provided with biological filter tank 11 in culture pond B2, and physical filter tank 6 is connected to biological filter tank 11, is connected with in biological filter tank 11 Anaerobic denitrification reaction tank 12, anaerobic denitrification reaction tank 12 is connected to the ultraviolet sterilizing device 8 outside of cultivation pond A4, and the water outlet end of ultraviolet sterilizing device 8 is connected to aeration tank 9, and the water outlet ...
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