Factory-like ecological circulation fish breeding system

Abstract

The invention provides a factory-like ecological circulation fish breeding system, and relates to the field of fish breeding. The factory-like ecological circulation fish breeding system comprises a water storage tank, a fish breeding tank, a fish feces collection device and a biodegradation tank, the fish breeding tank is provided with a first water inlet and connected with the water storage tank, a first water outlet is connected with the biodegradation tank, a sewage discharging port is formed in the bottom of the fish breeding tank and connected with the fish feces collection device, the fish feces collection device comprises a feces and water separation tank and a fish feces collector, a fish feces accumulation structure is arranged on the lower portion of the feces and water separation tank, a water overflowing tank is arranged on the outer wall of the feces and water separation tank, multistage filter screens cover the top end of the fish feces accumulation structure, the bottom of the fish feces accumulation structure is connected with the fish feces accumulation structure, the feces and water separation tank is provided with a second water inlet and connected with the sewage discharging port in the bottom of the fish breeding tank, the second water inlet is connected with the biodegradation tank, the biodegradation tank is provided with a water pump, and purified water is pumped into the water storage tank by the water pump. The fish breeding system solves the technical problems that fish feces is difficultly cleaned in an ecological circulation fish breeding system in the prior art, and the factory-like ecological circulation fish breeding system conveniently cleans the fish feces.

Description

technical field [0001] The invention relates to the field of fish farming, in particular to a factory ecological cycle fish farming system. Background technique [0002] Fish farming is an important part of my country's agricultural economic production. Extensive freshwater aquaculture methods are generally adopted in my country, such as freshwater cage culture, pen intensive culture or scattered fish pond culture, etc., but due to its closedness and single structure characteristics, resulting in waste of water resources and relatively single breeds. The ecological pressure brought by breeding is increasing day by day, the problems of high energy consumption, high labor cost, and the limitation of environmental temperature are becoming more and more prominent. With the development of human society and economy, people pay more and more attention to the ecological environment. Therefore, the recirculating aquaculture system with circulating water, high density, low energy cons...

AI Technical Summary

Problems solved by technology

[0006] Aiming at the deficiencies of the prior art, the present invention provides a factory ecological cycle fish farming system, which solves the technical problem of difficult cleaning of fish excrement in the prior art ecological cycle fish farming system

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