CN110741990A - Continuous separation device for artemia nauplii - Google Patents

Continuous separation device for artemia nauplii Download PDF

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Publication number
CN110741990A
CN110741990A CN201911149585.2A CN201911149585A CN110741990A CN 110741990 A CN110741990 A CN 110741990A CN 201911149585 A CN201911149585 A CN 201911149585A CN 110741990 A CN110741990 A CN 110741990A
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China
Prior art keywords
pipe
electromagnetic plate
outlet
separation
liquid
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CN201911149585.2A
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Chinese (zh)
Inventor
李炳乾
刘洪岩
张礼
张云泽
郑秀洁
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CNSIC ENGINEERING TECHNOLOGY RESEARCH INSTITUTE Co Ltd
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CNSIC ENGINEERING TECHNOLOGY RESEARCH INSTITUTE Co Ltd
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Priority to CN201911149585.2A priority Critical patent/CN110741990A/en
Publication of CN110741990A publication Critical patent/CN110741990A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/50Culture of aquatic animals of shellfish
    • A01K61/59Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

The invention provides a continuous separation device for artemia nauplii, which comprises a separation tank, a liquid discharge pipe, a collecting pipe, a total liquid inlet pipe and a liquid distribution pipe, wherein the total liquid inlet pipe is connected with the liquid distribution pipe; the number of the separation tanks is multiple; the separation tank comprises a tank body, a cylindrical electromagnetic plate is arranged in the tank body, and a plurality of through holes with the aperture larger than the width of the artemia nauplii are formed in the electromagnetic plate; the bottom of the tank body is positioned in an area enclosed by the electromagnetic plate and is provided with a first outlet, and the side wall of the tank body and the area enclosed by the electromagnetic plate are provided with a second outlet and a third outlet; the first outlet and the second outlet are both connected with a liquid discharge pipe, the third outlet is connected with a collecting pipe, and valves are arranged at the joints; the liquid separating pipes are provided with a plurality of liquid separating pipes and correspond to the separating tanks one by one, one end of each liquid separating pipe is connected with the main liquid inlet pipe, and the other end of each liquid separating pipe is communicated with an area defined by the electromagnetic plates; the total liquid inlet pipe and the liquid distributing pipe are provided with valves. The continuous separation device for the artemia nauplii is specially designed for separating after incubation of the artemia eggs with magnetism, and can realize continuous and efficient separation.

Description

Continuous separation device for artemia nauplii
Technical Field
The invention belongs to the technical field of artemia nauplii separation, and particularly relates to a continuous artemia nauplii separation device.
Background
Since Seale in 1933 started to use the nauplius larva hatched with artemia cysts as live bait for the larval fish of the flounder, the artemia nauplius is gradually paid high attention by aquaculture workers at home and abroad, and the commercialized artemia cysts become necessary bait for raising the seedlings of the aquatic products at present.
After the artemia cysts are hatched under proper conditions, the artemia nauplii, the unhatched artemia cysts and the egg shells are difficult to separate, and the water quality pollution or diseases can be caused by rotting and destroying the water quality of the egg shells or carrying bacteria, fungi and the like on the egg shells in a seedling raising pool on one hand; on the other hand, some aquatic offspring seeds block the digestive tract to kill the aquatic offspring seeds after eating egg shells or unhatched artemia eggs by mistake. At present, a plurality of methods for solving the problems are provided, and the best effect is that the egg shell is dissolved by chemical substances such as sodium hypochlorite and the like before the artemia egg is hatched, and then the artemia egg is hatched. In view of the current environmental protection pressure and some areas are difficult to purchase sodium hypochlorite solution, consequently appeared in the market a kind of ovum shell takes magnetic artemia egg, and this kind of ovum shell takes magnetic artemia egg to hatch the back and can be stayed in the pipeline by magnet attraction behind the magnetic pipeline, and the nauplius larva can flow out smoothly because of not having magnetism to ideal separation effect has been realized. However, the magnetic pipeline in the market can not complete continuous separation, and the pipeline is required to be separated and cleaned at regular time, so that the production efficiency is greatly reduced.
Disclosure of Invention
In view of the above, the present invention aims to provide a continuous separation device for artemia nauplii, which is designed for separating the magnetic artemia cysts after incubation and can realize continuous and efficient separation, so as to solve the above problems.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a continuous separation device for artemia nauplii comprises a separation tank, a liquid discharge pipe, a collecting pipe, a total liquid inlet pipe and a liquid distribution pipe;
the separation tank is provided with a plurality of separation tanks; the separation tank comprises a tank body, an inner cavity of the tank body is provided with an electromagnetic plate which is enclosed into a cylindrical shape, a plurality of through holes are uniformly distributed on the electromagnetic plate, and the aperture of each through hole is larger than the width of the artemia nauplii; an outlet I is arranged in a region surrounded by the electromagnetic plate at the bottom of the tank body, and an outlet II and an outlet III are arranged in a region surrounded by the side wall of the tank body and the electromagnetic plate; the first outlet and the second outlet are both connected with the liquid discharge pipe, and a valve is arranged at the joint; the outlet III is connected with the collecting pipe, and a valve is also arranged at the connection part;
the liquid distribution pipes are provided with a plurality of liquid distribution pipes and correspond to the separation tanks one by one, one end of each liquid distribution pipe is connected with the total liquid inlet pipe, and the other end of each liquid distribution pipe is communicated with an area defined by the electromagnetic plates; and valves for controlling respective opening and closing are arranged on the total liquid inlet pipe and the liquid distribution pipe.
Further, the electromagnetic plate is of a single-layer or multi-layer structure.
Furthermore, the inner diameters of the cylinders formed by the surrounding of each layer of the electromagnetic plates with the multilayer structures are different and are concentrically arranged; the liquid distributing pipe is communicated with an area defined by the electromagnetic plate on the innermost layer.
Furthermore, the electromagnetic plate air-out device further comprises an air-filling piece, and an air-out end of the air-filling piece extends into the area enclosed by the electromagnetic plate.
Furthermore, the electromagnetic plate cleaning device further comprises a cleaning device, wherein the cleaning device comprises a spray header arranged above the electromagnetic plate, a spray water inlet pipe connected with the spray header and a valve arranged on the spray water inlet pipe.
Further, there are two separation tanks.
Furthermore, the valves are all electrically controlled valves, and the valves and the electromagnetic plate are all electrically connected with an external control system.
Compared with the prior art, the continuous separation device for the artemia nauplii has the following advantages:
(1) the device for continuously separating the artemia nauplii is provided with the plurality of separating tanks, each separating tank is internally provided with the electromagnetic plate, the magnetic egg shells can be intercepted by the magnetic electromagnetic plate, the artemia nauplii can pass through the through holes in the electromagnetic plate, and finally the separation of the egg shells and the artemia nauplii is realized.
(2) The electromagnetic plate of each separation tank of the continuous separation device for the artemia nauplii can be single-layer or multi-layer, multi-layer separation can be realized through a multi-layer structure, the separation effect is better, and the separation effect can be selected according to the actual requirement on the separation effect.
(3) The continuous separation device for the artemia nauplii is provided with the inflating piece, so that artemia eggs and egg shells can be uniformly distributed in the tank body, and the adsorption is more sufficient; the design of the cleaning device can realize the washing of the electromagnetic plate, and the egg shells adsorbed on the electromagnetic plate can be quickly and cleanly washed away.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a continuous separation apparatus for artemia nauplii according to example 1 of the present invention;
FIG. 2 is a schematic structural view of a separation tank according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a separator tank (through holes on a magnet plate are not shown) according to embodiment 2 of the present invention.
Description of reference numerals:
1-a separation tank; 2-a liquid discharge pipe; 3-a collection tube; 4-a total liquid inlet pipe; 5-a liquid separating pipe; 6-tank body; 7-an electromagnetic plate; 8-a through hole; 9-outlet one; 10-outlet II; 11-outlet III; 12-an inflatable member; 13-a shower head; 14-spraying water inlet pipe.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a", "an", "two", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "a," "an," "two," etc. may explicitly or implicitly include one or more of the feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
As shown in fig. 1 and 2, a continuous separation device for artemia nauplii comprises a separation tank 1, a liquid discharge pipe 2, a collection pipe 3, a total liquid inlet pipe 4, a liquid distribution pipe 5, an inflatable part 12 and a cleaning device;
the separation tank 1 is symmetrically arranged, the separation tank 1 comprises a cylindrical tank body 6 made of a non-metal insulating material, a cylindrical electromagnetic plate 7 concentrically arranged with the tank body 6 is arranged in an inner cavity of the tank body, the electromagnetic plate 7 is connected with an external control system, the control system controls the electromagnetic plate to be electrified and powered off, the electromagnetic plate is electrified and powered off and demagnetized, a plurality of through holes 8 are uniformly distributed on the electromagnetic plate 7, the aperture of each through hole 8 is larger than the width of each artemia nauplius, the artemia nauplii can penetrate through the through holes 8, and the magnetic eggshells are adsorbed on the electromagnetic plate 7; the bottom of the tank body 6 is positioned in an area enclosed by the electromagnetic plate 7, and a first outlet 9 is arranged in the area enclosed by the side wall of the tank body 6 and the electromagnetic plate 7, and a second outlet 10 and a third outlet 11 are arranged in the area enclosed by the side wall of the tank body 6 and the electromagnetic plate 7; the first outlet 9 and the second outlet 10 are both connected with the liquid discharge pipe 2, and a valve for controlling opening and closing is arranged at the connection position; the outlet III 11 is connected with the collecting pipe 3, and a valve for controlling the opening and closing of the outlet III 11 is also arranged at the connection part; the valve is preferably an electrically controlled valve;
the two liquid distribution pipes 5 correspond to one of the two separation tanks 1 respectively, one end of each liquid distribution pipe 5 is connected with the total liquid inlet pipe 4, and the other end of each liquid distribution pipe is communicated with an area surrounded by the electromagnetic plate 7, namely the liquid distribution pipes 5 can introduce materials to be separated into the area surrounded by the electromagnetic plate 7 from the total liquid inlet pipe 4; valves for controlling the respective opening and closing are arranged on the total liquid inlet pipe 4 and the liquid distribution pipe 5, and the valves are preferably electric control valves;
the electric control valve is electrically connected with an external control system, and the opening and closing of the electric control valve are controlled by the external control system, as shown in fig. 3;
the air outlet end of the air inflation piece 12 extends into the area enclosed by the electromagnetic plate 7, so that the artemia cysts and the egg shells are uniformly distributed in the tank body 6 and are more fully adsorbed; the inflating part 12 can be an air pipe which extends into the inner cavity of the tank body 6, and the other end of the air pipe is connected with an external air supply device to inflate the tank body 6;
the cleaning device comprises a spray head 13 arranged above the electromagnetic plate 7 and a spray water inlet pipe 14 connected with the spray head 13, a valve is arranged on the spray water inlet pipe 14, the valve on the spray water inlet pipe 14 is preferably an electric control valve and is electrically connected with an external control system, and the other end of the spray water inlet pipe 14 can be connected with an external water supply device.
Example 2
In addition to embodiment 1, different from embodiment 1, as shown in fig. 3, the electromagnetic plates 7 arranged inside the tank 6 have a multi-layer structure, and the inner diameters of the cylinders surrounded by the layers of the electromagnetic plates 7 of the multi-layer structure are different and are all concentrically arranged; divide the regional intercommunication that liquid pipe 5 and the electromagnetic plate 7 of inlayer enclose, this knockout drum 1 can realize multistage separation promptly, and the inner circle electromagnetic plate 7 by the internal diameter is minimum separates to outer circle layer, and the separation effect can be better.
The working process of the artemia nauplii continuous separation device in embodiment 1 of the invention is as follows:
opening valves on a total liquid inlet pipe 4 and a liquid distribution pipe 5 corresponding to the left separation tank 1, enabling mixed liquid with magnetic artemia eggs after incubation to flow into an area enclosed by an electromagnetic plate 7 in a left tank body 6 through the liquid distribution pipe 5 by the total liquid inlet pipe 4, enabling the electromagnetic plate 7 to be electrified and magnetized, opening the valve corresponding to an outlet III 11 of the left separation tank 1 on a collecting pipe 3, enabling artemia nauplii to pass through a through hole 8 in the electromagnetic plate 7 and flow into the collecting pipe 3 through the outlet III 11 at the bottom of the left tank body 6, and enabling a magnetic shell to be adsorbed on the electromagnetic plate 7;
after a period of time, closing a valve on a liquid distribution pipe 5 corresponding to the left separation tank 1, opening a valve on the liquid distribution pipe 5 corresponding to the right separation tank 1, controlling the mixed liquid after incubation of the artemia cysts with magnetism to only enter the right separation tank 1, electrifying an electromagnetic plate 7 in a tank body 6 on the right side to be magnetized, opening a valve on a collecting pipe 3 corresponding to an outlet III 11 of the right separation tank 1, and enabling the artemia nauplii to pass through a through hole in the electromagnetic plate 7 and flow into the collecting pipe 3 through the outlet III 11 at the bottom of the tank body 6 on the right side;
after the left separation tank 1 stops feeding liquid, after all liquid in the tank body 6 of the left separation tank completely flows into the collecting pipe 3, a valve on the collecting pipe 3 corresponding to the outlet III 11 of the left separation tank 1 is closed, the electromagnetic plate 7 in the left tank body 6 is powered off and demagnetized, valves corresponding to the outlet I9 and the outlet II 10 at the bottom of the left tank body 6 are opened and are communicated with the liquid discharge pipe 2, the spraying device is started, the spraying head 13 sprays liquid to wash the electromagnetic plate 7, artemia eggs and empty shells on the electromagnetic plate 7 are completely washed to the bottom, the artemia eggs and the empty shells flow into the liquid discharge pipe 2 through the outlet I9 and the outlet II 10 to be discharged, after the cleaning is finished, the cleaning device is closed, and after all waste liquid in the tank body 6 is discharged, the valves corresponding to;
and the left separation tank 1 is started again, the separation is started again, meanwhile, the right separation tank 1 finishes the separation work and starts to clean, and the separation can be circularly put into the separation work again after the cleaning is finished, so that the alternate continuous separation operation is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (7)

1. The utility model provides a continuous separator of artemia nauplii which characterized in that: comprises a separation tank (1), a liquid discharge pipe (2), a collecting pipe (3), a total liquid inlet pipe (4) and a liquid distribution pipe (5);
a plurality of separation tanks (1) are arranged; the separation tank (1) comprises a tank body (6), an inner cavity of the tank body (6) is provided with an electromagnetic plate (7) which is enclosed into a cylindrical shape, a plurality of through holes (8) are uniformly distributed on the electromagnetic plate (7), and the aperture of each through hole (8) is larger than the width of a artemia nauplius; the bottom of the tank body (6) is positioned in a region surrounded by the electromagnetic plate (7) and is provided with a first outlet (9), and a second outlet (10) and a third outlet (11) are arranged in a region surrounded by the side wall of the tank body (6) and the electromagnetic plate (7); the first outlet (9) and the second outlet (10) are both connected with the liquid discharge pipe (2), the third outlet (11) is connected with the collecting pipe (3), and valves are arranged at the connection positions;
the liquid distribution pipes (5) are arranged and correspond to the separation tanks (1) one by one, one end of each liquid distribution pipe (5) is connected with the total liquid inlet pipe (4), and the other end of each liquid distribution pipe is communicated with an area defined by the electromagnetic plates (7); the total liquid inlet pipe (4) and the liquid separating pipe (5) are respectively provided with a valve for controlling the opening and the closing of the valves.
2. The continuous artemia nauplii separation apparatus of claim 1, wherein: the electromagnetic plate (7) is of a single-layer or multi-layer structure.
3. The continuous artemia nauplii separation apparatus of claim 1, wherein: the inner diameters of the cylinders formed by the surrounding of each layer of the electromagnetic plates (7) with the multilayer structure are different and are all concentrically arranged; the liquid distributing pipe (5) is communicated with an area surrounded by the electromagnetic plate (7) on the innermost layer.
4. The continuous artemia nauplii separation apparatus of claim 1, wherein: the electromagnetic plate is characterized by further comprising an inflating part (12), wherein the air outlet end of the inflating part (12) extends into the area surrounded by the electromagnetic plate (7).
5. The continuous artemia nauplii separation apparatus of claim 1, wherein: still include belt cleaning device, belt cleaning device including locate shower head (13) of electromagnetic plate (7) top, with spray inlet tube (14) that shower head (13) are connected, be equipped with the valve on spraying inlet tube (14).
6. The continuous artemia nauplii separation apparatus of claim 1, wherein: the number of the separation tanks (1) is two.
7. The continuous separation device for artemia nauplii according to any one of claims 1 to 6, wherein: the valves are all electrically controlled valves, and the valves and the electromagnetic plate (7) are electrically connected with an external control system.
CN201911149585.2A 2019-11-21 2019-11-21 Continuous separation device for artemia nauplii Pending CN110741990A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116458443A (en) * 2023-04-26 2023-07-21 江苏大地动物保健品有限公司 Stacked chicken raising equipment convenient to combine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101543195A (en) * 2008-02-13 2009-09-30 Inve技术股份有限公司 Processing method for artemia sporocyst
CN207100213U (en) * 2017-06-29 2018-03-16 天津海友佳音生物科技股份有限公司 A kind of artemia nauplii separator
CN109845703A (en) * 2019-01-14 2019-06-07 海南海壹水产种苗有限公司 A kind of separation method of artemia nauplii
CN209201854U (en) * 2018-10-10 2019-08-06 海南大学 A kind of hatching of artemia and nauplius separator
CN210987705U (en) * 2019-11-21 2020-07-14 中盐工程技术研究院有限公司 Continuous separation device for artemia nauplii

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101543195A (en) * 2008-02-13 2009-09-30 Inve技术股份有限公司 Processing method for artemia sporocyst
US20110200704A1 (en) * 2008-02-13 2011-08-18 Inve Technologies Nv Method for treating artemia cysts
CN207100213U (en) * 2017-06-29 2018-03-16 天津海友佳音生物科技股份有限公司 A kind of artemia nauplii separator
CN209201854U (en) * 2018-10-10 2019-08-06 海南大学 A kind of hatching of artemia and nauplius separator
CN109845703A (en) * 2019-01-14 2019-06-07 海南海壹水产种苗有限公司 A kind of separation method of artemia nauplii
CN210987705U (en) * 2019-11-21 2020-07-14 中盐工程技术研究院有限公司 Continuous separation device for artemia nauplii

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116458443A (en) * 2023-04-26 2023-07-21 江苏大地动物保健品有限公司 Stacked chicken raising equipment convenient to combine
CN116458443B (en) * 2023-04-26 2024-04-02 江苏大地动物保健品有限公司 Stacked chicken raising equipment convenient to combine

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