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Fish fry sorting box
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A sorting box and fry technology, which is applied in the field of fish farming, can solve the problems of large death loss and easy squeezing of fish body, and achieve the effects of improving economic benefits, avoiding easy squeezing of fish body, and reducing the number of equipment.
Pending Publication Date: 2017-03-22
黄山石屋坑渔业科技有限公司
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Summary
Abstract
Description
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is to solve the current problems that screening tools of various specifications are needed in the screening of fish fry, the fish body is easy to be crushed, and the problem of large death loss is solved, so as to improve the economic benefits of the aquatic fry breeding industry
Method used
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Embodiment 1
[0026] Embodiment 1, a kind of fry sorting box
[0027] A fry sorting box such as Figures 1 to 6 Shown, comprise casing 1, upper movable plate 6, lower movable plate 11, floating block 2, long bolt 4, short bolt 5.
[0028] Described box body 1 length is 80cm, and width is 40cm, and height is 40cm; Box body 1 comprises bottom plate 13, side plate 9, lower fixed plate 7, upper fixed plate 10, constitutes cuboid open structure.
[0029] The height of described lower fixed plate 7 is 24cm, and the both sides of lower fixed plate 7 link to each other with side plate 9, and the bottom links to each other with base plate 13; Upper fixed plate 10 height is 34cm, and the both sides of upper fixed plate 10 and side plate 9 Link to each other, the top is the same height as the side plate 9.
[0030] The two ends of the side plate 9 are provided with vertical grooves 14, the length of the grooves 14 is 39cm, the width is 1.2cm, and the depth is 1.5cm. The width of described upper mov...
Embodiment 2
[0034] Embodiment 2, a kind of fry sorting method, use the fry sorting box described in embodiment 1, sort 4-month-old light-lipped fry, each specification body length difference is controlled in 1cm, comprises the following steps:
[0035] 1) Determine the sorting specifications: set up several empty cages in the fish pond, and gather the light-lipped fry to be sorted into one cage; the body length of the light-lipped fry is 2.5~6.5cm, which can be divided into 2.5 cm. ~3.5cm, 3.5~4.5cm, 4.5~5.5cm, 5.5~6.5cm four specifications. The body heights corresponding to 3.5cm, 4.5cm, and 5.5cm light-lipped fry are 0.55cm, 0.8cm, and 1cm, respectively.
[0036] 2) Adjust the height of the gap: loosen the short bolt 5, set the height of the upper gap 8 and the lower gap 12 to 0.55cm, and tighten the short bolt 5.
[0037] 3) Adjust the water depth of the box body: loosen the long bolt 4, adjust the position of the floating block 2, so that when the fry sorting box is floating on the w...
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Abstract
The invention discloses a fish fry sorting box. The fish fry sorting box comprises a box body and a floater. The box body comprises a bottom plate, a side plate, a lower fixing plate, and an upper fixing plate, so the cuboid opening structure is formed. The upper clearance is reserved above the lower fixing plate, and the lower clearance is reserved below the upper fixing plate. Two ends of the side plate are provided with a vertical groove. The groove is provided with a screw hole. A lag bolt is screwed in the screw hole. An upper active plate is inserted in the groove at one end of the lower fixing plate, and a lower active plate is installed in the groove at one end of the upper fixing plate, so the height of the upper clearance and the lower clearance can be adjusted and kept, and the individual with the same standard can be sorted by using the rheotaxis of the fish fry. The upper part of the side plate is provided with a screw hole. The floater is provided with two vertical slots, and the floater is fixed to the outer side of the side plate by using a stay bolt. The position of the floater is upwards and downwards moved so as to adjust the underwaterpenetration depth of the box body. The fish fry sorting box has the characteristics of simple structure and adjustable sorting standard, is capable of avoiding the problem that the fish bodies can be easily hurt and killed in the sorting process of the fish fry, and is suitable for sorting top-grade fish fry with delicate physique.
Description
technical field [0001] The invention relates to a fish sorting box, in particular to a fry sorting box and a fry sorting method, belonging to the technical field of fish farming. Background technique [0002] In fish fry farming, the growth rate varies greatly among different individuals, and it is necessary to divide fish fry of different specifications into ponds in a timely manner. Fish sieves or nets are usually used for sorting in production. Individuals whose body width is smaller than the grid spacing, or whose cross-section is smaller than the mesh, can pass through the fish sieve or fish net, and larger individuals can stay in the fish sieve or fish net, and use multiple fish sieves or fish nets with different specifications to screen Produce fry of various sizes. Because the fish body is relatively soft, and there are fins or hard spines on the cross section of the fish body, some fish bodies will inevitably be crushed, entangled and die when passing through the s...
Claims
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Application Information
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