Safe ecological multi-layer aquaculture net cage
A cage and ecological technology, applied in fish farming, application, climate change adaptation, etc., can solve problems such as safety threats to cages and staff, changes in fish living space, short service life, etc., to achieve convenient management and Maintenance work, impact reduction, waste reduction effect
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[0019] The present invention will be further described below in conjunction with the accompanying drawings, and the protection scope of the present invention is not limited to the following.
[0020] Such as figure 1 As shown, a safe and ecological multi-layer aquaculture cage includes an inner cage 1, a middle cage 2 and an outer cage 3. The inner cage 1, the middle cage 2 and the outer net The boxes 3 are all upper-opening boxes composed of a box-shaped frame 4 and a netting 5 whose edges are fixed on the box-shaped frame 4. The netting is made of polyethylene, and the middle-layer net-box 2 is arranged inside the outer-layer net-box 3. The inner net cage 1 is set inside the middle net cage 2. The middle net cage 2 and the outer net cage 3 and the middle net cage 2 and the inner net cage 1 are all connected by nylon ropes. The outer net cage 2 The upper surface of the pedestrian board 6 is provided with a pedestrian board 6, a buoyancy device is arranged below the pedestri...
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