CN104542399B - A kind of fish welfare grading plant - Google Patents

A kind of fish welfare grading plant Download PDF

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Publication number
CN104542399B
CN104542399B CN201510006280.1A CN201510006280A CN104542399B CN 104542399 B CN104542399 B CN 104542399B CN 201510006280 A CN201510006280 A CN 201510006280A CN 104542399 B CN104542399 B CN 104542399B
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China
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level
fish
pipe
row
grades
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CN104542399A (en
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朱松明
史明明
阮贇杰
沈加正
邓亚乐
林素丽
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Zhejiang University ZJU
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Zhejiang University ZJU
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

The invention discloses a kind of fish welfare grading plant, including casing, one-level graded filter screen, two grades of graded filter screens, three-level graded filter screen, water feed apparatus, discharging device, overflow mechanism and one-level row fish device, two grades of row fish devices, three-levels row fish device, level Four row's fish devices.Casing is divided into four stage units, i.e. one-level stage unit, two grades of stage units, three-level stage unit and four-stage grading unit by one-level graded filter screen, two grades of graded filter screens and three-level graded filter screen.The present invention is simple in construction, highly reliable, small to fish damage, substantially increases the survival rate of fish, so as to realize the welfare classification of fish.

Description

A kind of fish welfare grading plant
Technical field
The present invention relates to a kind of fish farming installation, more specifically to a kind of fish welfare grading plant.
Background technology
With the development of aquaculture technology, the raising of labor cost and the reinforcement of environmental protection, the country is followed Ring water is cultivated and deep-water net cage culture pattern has obtained quick development.During breeding production, because feedstuff feeding is uneven The difference of even and fish specification difference and ingestion ability, notable difference is gradually presented in Individual Size after cultivation a period of time, special It is not that, for some carnivority kinds, big individual not only carries out flood competition to small individual, and in the presence of phenomenon is killed and devour, finally leads Cause larger individual fish more long faster, small fish is more long slower and quantity is fewer and fewer, has had a strong impact on economic benefit.Therefore cultivate Period, when the difference in size of fish is notable, size sorting should be carried out in time, to avoid the adverse effect that intraspecific competition is brought, is entered And improve culture benefit.Fish classifying equipoment mainly has sweep net formula, travelling sieve formula and rotation grid type etc. both at home and abroad at present.Ground Though hauling type is small to fish damage, restricted application, mainly for Deep sea net cage.Travelling sieve formula and rotation grid type are Mechanically, it is larger to fish damage.
The content of the invention
The purpose of the present invention be in view of the shortcomings of the prior art there is provided a kind of fish welfare grading plant, can be effectively Improve the low phenomenon of survival rate after fish classification, and then improve productivity effect, reduction labor cost and fish classification process In the damage that causes.
The purpose of the present invention is achieved through the following technical solutions:A kind of fish welfare grading plant, its feature exists In, including:Casing, outlet pipe, overflow pipe, one-level graded filter screen, two grades of graded filter screens, three-level graded filter screen, water inlet pipe, one-levels Arrange fish pipe, two grades of row fish pipes, three-level row fish pipe, level Four row's fish pipes;Outlet pipe and water inlet pipe are separately mounted to the left and right two of casing Side, and outlet pipe and water inlet pipe are highly identical;One-level graded filter screen, two grades of graded filter screens, three-level graded filter screens are highly identical, net Eye size is successively decreased successively, is from left to right sequentially arranged in casing, and casing is separated into one-level stage unit, two grades of classifications successively Unit, three-level stage unit and four-stage grading unit;One-level row fish pipe, two grades of row fish pipes, three-levels arrange fish pipe and level Four row's fish pipe It is highly identical, cabinet front is from left to right sequentially arranged at, and one-level row fish pipe, two grades of row fish pipes, three-levels arrange fish pipe and level Four Row's fish pipe is communicated with one-level stage unit, two grades of stage units, three-level stage unit and four-stage grading unit respectively;Overflow pipe is pacified On rear side of casing, and communicated with one-level stage unit;The height of graded filter screens at different levels, row fish pipe at different levels height, overflow pipe are high Degree, outlet pipe height are successively decreased successively.
Further, outlet pipe, overflow pipe are mounted on filter screen.
The beneficial effects of the invention are as follows:It is simple in construction, it is small to fish damage, graded filter screen can be changed as needed, realized Different fingerlings or the welfare of different times fish are classified, it is adaptable to circulating water cultivation and cage culture, can efficiently solved The problem of survival rate is low after existing fish classification.
Brief description of the drawings
Fig. 1 is a kind of structural representation of fish welfare grading plant of the invention;
Fig. 2 is Fig. 1 top view;
In figure, casing 1, outlet pipe 2, filter screen 3, overflow pipe 4, one-level graded filter screen 5, two grades of graded filter screens 6, three-level classifications Filter screen 7, water inlet pipe 8, one-level row fish pipe 9, two grades of row fish pipes 10, three-level row fish pipe 11, level Four row fish pipe 12, one-level stage units 13rd, two grades of stage units 14, three-level stage units 15, four-stage grading units 16.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
In Fig. 1,2:A kind of fish welfare grading plant, including:Casing 1, outlet pipe 2, overflow pipe 4, one-level classification Filter screen 5, two grades of graded filter screens 6, three-level graded filter screen 7, water inlet pipe 8, one-level row fish pipe 9, two grades of row fish pipes 10, three-level row's fish pipes 11st, level Four row fish pipe 12;
Wherein, outlet pipe 2 and outlet pipe 8 are separately mounted to the left and right sides of casing 1, and outlet pipe 2 and the height of outlet pipe 8 It is identical;The two is constituted by pvc pipe etc., and the two bore is identical, and the two effect is:Classification for grading plant fish provides one The water environment of flowing is planted, promotes the travelling of fish.
One-level graded filter screen 5, two grades of graded filter screens 6, the width of mesh of three-level graded filter screen 7 successively decrease successively, from left to right according to It is secondary to be arranged in casing 1, casing 1 is separated into one-level stage unit 13, two grades of stage units 14, three-level stage units 15 successively With four-stage grading unit 16;One-level stage unit 13 is located between outlet pipe 2 and one-level graded filter screen 5, two grades of stage units 14 Between one-level graded filter screen 5 and two grades of graded filter screens 6, three-level stage unit 15 is located at two grades of fractions of graded filter screen 6 and three Between level filter screen 7, four-stage grading unit 16 is located between three-level graded filter screen 7 and water inlet pipe 8.Graded filter screens at different levels are acted on: According to the morphological feature of fish, size fish are classified.
Overflow pipe 4 is arranged on the rear side of casing 1(Close on outlet pipe 2), and communicated with one-level stage unit 13;Overflow pipe 4 by Bore is more than the composition such as pvc pipe of water inlet pipe 8, and the height of overflow pipe 4 is less than the height of graded filter screens at different levels, more than outlet pipe 2 With the height of water inlet pipe 8.The effect of overflow pipe 4 is:Ensure liquid level stabilizing in casing 1, and it is most upper less than graded filter screens at different levels End.
One-level row fish pipe 9, two grades of row fish pipes 10, three-level row fish pipe 11 and level Four row fish pipe 12 are from left to right sequentially arranged at The front side of casing 1, and one-level row fish pipe 9, two grades of row fish pipes 10, three-level row fish pipe 11 and level Four row fish pipe 12 be classified with one-level respectively Unit 13, two grades of stage units 14, three-level stage unit 15 and four-stage grading unit 16 are communicated;Row fish pipes at different levels are pvc pipe Composition, the caliber size of each row fish pipe row's lymphogranuloma inguinale is identical, and the bore of row fish pipes at different levels is more than the half of the bore of water inlet pipe 8, because The gross area of this row's fish pipe is more than the area of water inlet pipe 8;Row fish pipes at different levels are highly identical, the height highly between graded filter screens at different levels Between degree and the height of overflow pipe 4.Its effect is:The fish that classification is completed are exported, while when ensureing row's fish work, most High water level is less than each graded filter screen, it is to avoid grading effect is impacted, in addition, can be same by pipeline by row's lymphogranuloma inguinale as needed Culturing pool etc. is connected, by the direct dispatch of fish to required place.
Filter screen 3 is housed, its effect is on outlet pipe 2 and overflow pipe 4:Prevent fish from being swum out of from outlet pipe 2 and overflow pipe 4, Influence grading effect.
The course of work of the present invention is as follows:Water inlet pipe 8 is opened to the water filling of casing 1, now outlet pipe 2, and overflow pipe 4 is opened, when When liquid level reaches the height of the water outlet of overflow pipe 4, liquid level reaches Metacentre Height in casing 1, now by a certain amount of mixed size fish Class puts into the device one-level stage unit 13 by fishpump or manually, because fish density is big and the property against the current of fish and becomes Fluidity, fish will move about at past water inlet pipe 8, because one-level graded filter screen 5, two grades of graded filter screens 6, the meshes of three-level graded filter screen 7 are big Small to successively decrease successively, therefore, larger fish can only stay in one-level stage unit 13, and less fish side can be arrived by filter screens at different levels Up to four-stage grading unit 16;After certain time, overflow pipe 4 and outlet pipe 2 are closed, keeps water inlet pipe 8 to open, now water level is raised To the height of each row fish pipe, the fish that each row fish pipe is discharged are delivered to by the row's of proceeding by fish work as desired by pipeline Each culturing pool or net cage.Arrange after fish certain time, open overflow pipe 4 and drainage arrangement 2, after after stable level, continuing under starting A collection of fish are classified work.

Claims (1)

1. a kind of fish welfare grading plant, it is characterised in that including:Casing(1), outlet pipe(2), overflow pipe(4), one-level Graded filter screen(5), two grades of graded filter screens(6), three-level graded filter screen(7), water inlet pipe(8), one-level row fish pipe(9), two grades of row fishes Pipe(10), three-level row fish pipe(11), level Four row fish pipe(12);Outlet pipe(2)And water inlet pipe(8)It is separately mounted to casing(1)'s The medium position of the left and right sides, and outlet pipe(2)And water inlet pipe(8)Bore and height all same;One-level graded filter screen(5), two Level graded filter screen(6), three-level graded filter screen(7)Highly identical, width of mesh successively decreases successively, is from left to right sequentially arranged at casing (1)It is interior, by casing(1)One-level stage unit is separated into successively(13), two grades of stage units(14), three-level stage unit(15)With Four-stage grading unit(16);One-level arranges fish pipe(9), two grades of row's fish pipes(10), three-level row fish pipe(11)Fish pipe is arranged with level Four(12) It is highly identical, from left to right it is sequentially arranged at casing(1)Front side, and one-level row's fish pipe(9), two grades of row's fish pipes(10), three-level row Fish pipe(11)Fish pipe is arranged with level Four(12)Respectively with one-level stage unit(13), two grades of stage units(14), three-level stage unit (15)With four-stage grading unit(16)Communicate;Overflow pipe(4)Installed in casing(1)Rear side, and with one-level stage unit(13)Phase It is logical;The height of graded filter screens at different levels, row fish pipe at different levels height, overflow pipe(4)Highly, outlet pipe(2)Height is successively decreased successively;Overflow Pipe(4)Bore be more than water inlet pipe(8)Bore, the bores of row fish pipes at different levels is more than water inlet pipe(8)Bore half, it is described Outlet pipe(2), overflow pipe(4)It is mounted on filter screen(3).
CN201510006280.1A 2015-01-07 2015-01-07 A kind of fish welfare grading plant Active CN104542399B (en)

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CN105532544B (en) * 2016-02-01 2019-05-31 浙江省海洋水产研究所 Fry grading plant and stage division
CN107926813A (en) * 2017-09-14 2018-04-20 宁波市海洋与渔业研究院 A kind of the artificial screening method and its screening plant of the high-quality colony of colored perch
CN107743909A (en) * 2017-09-14 2018-03-02 浙江海洋大学 A kind of the artificial screening method and its screening plant of the high-quality colony of He Chang rockfish
CN107821279B (en) * 2017-09-14 2020-07-10 慈溪市水产技术推广中心 Method and device for manually screening high-quality groups of Clarias fuscus
CN108040950B (en) * 2017-09-14 2020-07-17 宁波市海洋与渔业研究院 Artificial screening method and screening device for high-quality groups of spotted maigre
CN108094290A (en) * 2017-09-14 2018-06-01 余姚市水产技术推广中心 A kind of the artificial screening method and its screening plant of the high-quality group of bream
CN107494380A (en) * 2017-09-14 2017-12-22 浙江海洋大学 A kind of the artificial screening method and its screening plant of the high-quality colony of mullet
CN107646753A (en) * 2017-09-14 2018-02-02 宁波市海洋与渔业研究院 A kind of the artificial screening method and its screening plant of the high-quality colony of Japanese croaker
CN107455308A (en) * 2017-09-14 2017-12-12 浙江海洋大学 A kind of the artificial screening method and its screening plant of the high-quality colony of sciaenops ocellatus
CN107743908A (en) * 2017-09-14 2018-03-02 浙江海洋大学 A kind of the artificial screening method and its screening plant of the high-quality colony of grey mullet
CN107455307A (en) * 2017-09-14 2017-12-12 浙江海洋大学 A kind of the artificial screening method and its screening plant of the high-quality colony of little yellow croaker
CN107926814A (en) * 2017-09-14 2018-04-20 宁波市海洋与渔业研究院 A kind of the artificial screening method and its screening plant of the high-quality colony of oplegnathus fasciatus
CN109892379A (en) * 2017-12-08 2019-06-18 重庆赵渝食品有限公司 A kind of classified storage device of aquatic products processing
CN108901965A (en) * 2018-05-08 2018-11-30 青岛博鲁泽海洋科技有限公司 A kind of large size cage-farming classification fishes device and its large-scale net cage and method
CN108770764A (en) * 2018-05-22 2018-11-09 安徽国川环境技术有限公司 A kind of fry cultivation intelligence control system
CN111869605B (en) * 2020-07-28 2021-10-08 浙江省海洋水产研究所 Selective fish washing device
CN112772517A (en) * 2021-01-13 2021-05-11 中国水产科学研究院东海水产研究所 Large yellow croaker fry grading plant
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