Air inflating, pollutant discharging and water injecting device for net cage culture

Abstract

The invention provides an air inflating, pollutant discharging and water injecting device for net cage culture, which comprises a pollutant discharging main pipe, a clear water injecting pipe, a compressed air conveying pipe, an air compressor, a water discharging slim pipe and a polluted water collecting and treating box, wherein a horn-shaped suction inlet is formed at the lower end of the vertically-distributed pollutant discharging main pipe; the upper end of the pollutant discharging main pipe is connected with the polluted water collecting and treating box through a hose and a valve; a section of throat pipe is arranged between the two ends of the main pipe; the clear water injecting pipe is distributed above the horn-shaped suction inlet; the two ends of the clear water injecting pipe are communicated with a culturing net cage as well as a middle layer water area and a lower layer water area of an external natural water body; the compressed air conveying pipe is distributed above the clear water injecting pipe; the two ends of the compressed air conveying pipe are communicated with a compressed air source as well as the pollutant discharging main pipe and the clear water injecting pipe; and one end of the water discharging slim pipe above the compressed air conveying pipe is positioned below a water surface at the interface of a water surface of a culture water body and air, and the other end of the water discharging slim pipe is communicated with the throat pipe. The device has a simple structure, can move flexibly, is configured with little power equipment, requires a low configuration cost, can work as long as being connected to one way of air source and is very convenient.

Description

technical field [0001] The invention relates to the field of closed net cage culture, in particular to the inflation, sewage discharge and water injection of the culture net cage. Background technique [0002] Aquaculture is an important part of my country's fishery industry, and it is also the main growth point of fishery development. The shift of the focus of my country's fishery development from "fishing-based" to "aquaculture-based" has prompted a huge change in the aquaculture industry. However, due to the large discharge of traditional aquaculture, which has a negative impact on the environment, it must be kept within acceptable limits. There are clear risks in any irresponsible approach to aquaculture development or only emergency localized measures. [0003] Aquaculture is absolutely dependent on water resources, and at the same time it is an internal pollution source of water resources. The negative consequences are very obvious, and the scarcity of water resource...

AI Technical Summary

Problems solved by technology

Since the three links are disconnected from each other and are not related to each other, the workload of daily maintenance is quite large

In addition, there is no special tool for cleaning pollution, and manual salvage and cleaning methods are mostly used. The cleaning method is very primitive and does not match the pattern of modern large-scale cage culture.

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