Layered high-density demersal breeding fish pond
A high-density, fish pond technology, applied in fish farming, application, animal husbandry, etc., can solve the problems of poor dissolved oxygen and metabolism, difficult sewage discharge of residual bait and manure, and increased circulating water exchange, so as to improve fish production. The effect of quasi-living microenvironment, improving dormant living environment, and reducing the amount of circulating water exchange
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[0028] see Figure 1-5 , a bottom-dwelling fish culture pond that uses a circular or cut-off center for water intake, four corners (hexagonal or octagonal) for drainage, and can simultaneously perform water treatment such as push flow, oxygenation, and sewage discharge. The device is mainly used in bottom-dwelling fish culture ponds of industrial intensive recirculating aquaculture systems, and can also be used in other culture fields.
[0029] The bottom of the fish pond is high in the center and low in the surrounding areas. New water carrying a large amount of dissolved oxygen is injected through the central water inlet and flows through the fish living area. Sewage discharge, and finally complete the sewage collection in the main sewage pipe to realize the function of sewage discharge and cleaning at the bottom, and finally enter the physical filtration link. At the same time, there is a return pipe 2 on the side wall of the fish pond. The main circulation of dissolved ox...
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