Floating type underwater bait casting device inside net cage

A floating, cage technology, applied in applications, climate change adaptation, fish farming, etc., can solve the problems of attacking fish, seabirds grabbing food, infection and death, etc., to reduce fish density, large bait range, Avoid the effect of agglomeration

Pending Publication Date: 2017-02-22
OCEAN UNIV OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the traditional bait feeders are jet bait feeders. The traditional bait feeder sprays the feed to the water surface, and the bait will float on the water surface until it is soaked before sinking. During the bait floating period, the fish will gather on the water surface when they are retrieving bait. Due to the small space where the bait appears, the fish squeeze and rub against each other, easily causing body surface damage, and then leading to infection and death; the bait floating on the water surface may also cause seabirds to snatch food, and even attack fish, resulting in fish death die

Method used

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  • Floating type underwater bait casting device inside net cage
  • Floating type underwater bait casting device inside net cage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1: as figure 1 with figure 2 As shown, the floating underwater bait feeding device in the net cage of the present invention comprises a feeding bin 2, and the top of the feeding bin 2 is provided with a rain cover 1, and the breeding workboat (feed ship) transports feed to the feeding bin 2 through pipelines. , the feeding bin 2 is connected to the mixing bin 5 through the main pipeline 4, and the mixing bin 5 is connected to the bait casting pipeline 7 through the branch pipeline 6. Material hole 9, main pipeline 4 is connected with submersible pump A8 through pipeline, mixing bin 5 is connected with submersible pump B10 through pipeline, floating object 3 is fixed on the top of main pipeline 4, and floating object 3 is a floating frame, which is a floating water tank. The lower baitcaster provides buoyancy so that it can float. The bait in the feeding bin 2 falls freely in the main pipeline 4, mixes with the seawater provided by the submersible pump A8 i...

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PUM

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Abstract

The invention relates to a floating type underwater bait casting device inside a net cage, and belongs to the field of bait casting devices. The bait casting device comprises a charging bin. The charging bin is connected to a bait casting pipeline through a main pipeline. A discharging hole for discharging bait is formed in the bait casting pipeline. The bait casting pipeline is annular. A material mixing bin is arranged between the main pipeline and the bait casting pipeline. The material mixing bin is connected with the bait casting pipeline through a branch pipeline. An immersible pump A is connected to the main pipeline through a pipeline. The material mixing bin is connected with an immersible pump B through a pipeline. A floating object is fixedly arranged on the main pipeline. The bait casting is large in range and uniform, extrusion, friction and fight during fish forage can be avoided, and the phenomenon that seabirds scramble for bait can be avoided by means of underwater bait casting.

Description

technical field [0001] The invention relates to a floating underwater bait throwing device in a net cage, which belongs to the field of bait throwing devices. Background technique [0002] When using net cages to breed fish, it is necessary to set a bait feeder in the net cages to feed the fish. Most of the traditional bait feeders are jet feeders. The traditional bait feeder sprays the feed to the water surface, and the bait will float on the water surface until it is wet before sinking. During the floating period of the bait, the fish will gather on the water surface when retrieving bait. Due to the small space where the bait appears, the fish squeeze and rub against each other, easily causing body surface damage, and then leading to infection and death; the bait floating on the water surface may also cause seabirds to snatch food, and even attack fish, resulting in fish death die. Contents of the invention [0003] The object of the present invention is to provide a f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/80
CPCY02A40/81
Inventor 彭磊王小洁宋德东刘毅
Owner OCEAN UNIV OF CHINA
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