NL2031508A - Marine facility mariculture feeding device - Google Patents

Marine facility mariculture feeding device Download PDF

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Publication number
NL2031508A
NL2031508A NL2031508A NL2031508A NL2031508A NL 2031508 A NL2031508 A NL 2031508A NL 2031508 A NL2031508 A NL 2031508A NL 2031508 A NL2031508 A NL 2031508A NL 2031508 A NL2031508 A NL 2031508A
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NL
Netherlands
Prior art keywords
small
hopper
feeding
marine facility
valve
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NL2031508A
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Dutch (nl)
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NL2031508B1 (en
Inventor
Xu Zhiqiang
Wang Zhiyong
Zou Haisheng
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Fishery Machinery & Instrument Res Inst Cafs
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Publication of NL2031508A publication Critical patent/NL2031508A/en
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Publication of NL2031508B1 publication Critical patent/NL2031508B1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00—Culture of aquatic animals
    • A01K61/80—Feeding devices
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K5/00—Feeding devices for stock or game ; Feeding wagons; Feeding stacks
    • A01K5/02—Automatic devices
    • A01K5/0225—Gravity replenishment from a reserve, e.g. a hopper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
    • B65G53/24—Gas suction systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
    • B65G53/28—Systems utilising a combination of gas pressure and suction
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, 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)
  • Feeding And Watering For Cattle Raising And Animal Husbandry (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

Disclosed is a marine facility cultivation feeding device comprising: a material loading component including a storage hopper within which a feeding material is stored; a feeding component including a small hopper connected to the feeding component via a material suction unit; a negative pressure generating unit connected to the top of the small hopper, and the negative pressure generating unit can generate a negative pressure inside the small hopper, so that feeding materials are sucked into the inside of the small hopper via the material suction unit; a positive pressure delivering unit connected to the bottom of the small hopper, and can deliver the feeding materials in the small hopper to the cultivation tank under a positive pressure.

Description

MARINE FACILITY MARICULTURE FEEDING DEVICE
TECHNICAL FIELD The present invention relates to the technical field of ma- rine fishing facilities, and more particularly to a marine facili- ty cultivation feeding device.
BACKGROUND ART Fisheries is a fundamental industry for guaranteeing and sup- plying aquatic products in China, and the aguaculture industry in China has made remarkable achievements after decades of develop- ment. Till 2020, Chinese mariculture output value is 3836 billion yuan, marine fishing output value is 2197 billion yuan, and mari- culture industry occupies an absolute advantage in marine economy. At present, with the rapid development of mariculture in China, fisheries facilities have gradually developed towards the deep sea, some ultra-large cages, cultivation platforms and cultivation ships have been rapidly developed. The cultivation process needs mechanized and automated cultivation facilities, and cultivation feeding is the most important link in the process of culture. Therefore, according to the development of mariculture, how to im- prove the level of mariculture management and operational effi- ciency is significant.
SUMMARY Therefore, it is necessary to provide a marine facility cul- tivation feeding device, which is capable of long-distance feed- ing, centralized transportation, high automation and high opera- tion efficiency, in response to the above technical problems. A marine facility cultivation feeding device comprising: a material loading component including a material storage hopper in which the feeding materials are stored; a feeding component including a small hopper connected to the feeding component via a suction unit; a negative pressure generating unit connected to the top of the small hopper with a negative pressure produced inside the small hopper, so that the feeding materials are sucked into the inside of the small hopper via the material suction unit; a positive pressure delivering unit connected to the bottom of the small hopper and being capable of positive pressure deliv- ering the feeding material in the small hopper into the cultiva- tion tank.
In one embodiment, a suction nozzle is provided at the bottom of the storage hopper, a discharge valve and an adjustable breath- ing valve are connected to the outlet of the suction nozzle, the discharge valve can open or close the suction nozzle, and the ad- justable breathing valve can automatically ventilate and adjust and balance the internal and external pressures of the storage hopper.
In one embodiment, the shape of the suction nozzle is a cone with a large upper part and a small lower part.
In one embodiment, the material suction unit comprises a feeding hose, one end of which is connected to the outlet of the suction nozzle, and the other end of which is connected to the small hopper via a feeding valve.
In one embodiment, one end of the material suction hose is detachably connected to the outlet of the suction nozzle via a clip connector.
In one embodiment, there is a plurality of storage hoppers and the small hoppers, the suction nozzle of each storage hopper is respectively connected to one end of the material suction hose via a first branch pipe, and the feeding valve of each small hop- per is respectively connected to the other end of the material suction hose via a second branch pipe.
In one embodiment, a high level gauge and a low level gauge are provided above and below the inside of the small hopper, re- spectively, and a material discharger is provided at the bottom of the small hopper.
In one embodiment, the negative pressure generating unit com- prises a Roots blower connected to the top of the small hopper via an inlet valve capable of individually controlling each small hop- per to and from the Roots blower.
In one embodiment, the inlet valve is an electric three-way valve. In one embodiment, the positive pressure delivering unit com- prises a high pressure fan and a delivering pipe, the high pres- sure fan is in communication with one end of the delivering pipe, the other end of the delivering pipe is in communication with the cultivation tank, wherein the feeder is in communication with the delivering pipe. According to the above-mentioned marine facility cultivation feeding device, a negative pressure is generated inside the small hopper by the negative pressure generating unit, so that feeding materials are sucked from the storage hopper to the inside of the small hopper, and then the feeding materials in the small hopper are transferred to the cultivation tank by the positive pressure delivering unit, which can realize long-distance feeding and cen- tralized transportation, realize fully automatic operations such as automatic feeding and automatic feeding of feeding materials, so as to improve the degree of automation and the efficiency of cultivation operations, and the pneumatic delivering mode combin- ing positive pressure and negative pressure has the advantages of high reliability, convenient operation and management, etc.
BRIEF DESCRIPTION OF THE DRAWINGS In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, a brief description will be given below of the drawings which need to be used in the embodiments. It is obvious that the drawings in the following description are only some embodiments of the present in- vention, and it would have been obvious for a person skilled in the art to obtain other drawings according to these drawings with- out involving any inventive effort. FIG. 1 is a schematic view showing a structure of a marine facility cultivation feeding device.
DETAILED DESCRIPTION OF THE EMBODIMENTS To facilitate an understanding of the present invention, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodi- ments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being “connected” to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by a per- son skilled in the art to which this invention belongs. The termi- nology used herein in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term “and/or” includes any and all combinations of one or more of the associated listed items.
Referring to FIG. 1, an embodiment of the present invention provides a feeding apparatus for marine facility cultivation com- prising: a material loading component, a feeding component, a neg- ative pressure generating unit and a positive pressure delivering unit.
The material loading component includes a material storage hopper 2 in which the feeding materials are stored; the feeding component includes a small hopper 14 connected to the feeding component via a suction unit; the negative pressure generating unit is connected to the top of the small hopper with a negative pressure produced inside the small hopper, so that the feeding materials are sucked into the inside of the small hopper via the material suction unit; the positive pressure delivering unit is connected to the bottom of the small hopper and being capable of positive pressure delivering the feeding material in the small hopper into the cul- tivation tank.
According to the above-mentioned marine facility cultivation feeding device, a negative pressure is generated inside the small hopper 14 by the negative pressure generating unit, so that feed-
ing materials are sucked from the storage hopper 2 to the inside of the small hopper 14, and then the feeding materials in the small hopper 14 are transferred to the cultivation tank 16 by the positive pressure delivering unit, which can realize long-distance 5 feeding and centralized transportation, realize fully automatic operations such as automatic feeding and automatic feeding of feeding materials, so as to improve the degree of automation and the efficiency of mariculture operations, and the pneumatic deliv- ering mode combining positive pressure and negative pressure has the advantages of high reliability, convenient operation and man- agement, etc.
In an embodiment of the present invention, a suction nozzle 5 is provided at the bottom of the storage hopper 2, a discharge valve 6 and an adjustable breathing valve 3 are connected to the outlet of the suction nozzle 5, the discharge valve 6 can open or close the suction nozzle 5, and the adjustable breathing valve 3 can automatically ventilate and adjust to balance the internal and external pressures of the storage hopper 2.
In this embodiment, when material is required to be loaded, the small hopper 14 is closed (the feeding valve 8 is closed), the negative pressure generating unit is started, so that a negative pressure is generated inside the small hopper 14, and when the negative pressure reaches a certain value, the discharge valve 6 and the small hopper 14 are opened, so that the storage hopper 2 is in communication with the small hopper 14, and at this time, the feeding material in the storage hopper 2 is sucked into the small hopper 14 via the suction nozzle 5 and the material suction unit. In this way, overflow, leakage and the like of the feeding materials during the feeding process can be avoided, and at the same time, the feeding process can be ensured to be in a relative- ly sealed environment, and the influence of the environment (such as dust, impurities and the like) on the feeding materials can be reduced and avoided.
In addition, when the storage hopper 2 outputs feeding mate- rials to the outside, the adjustable breathing valve 3 starts to suck air into the storage hopper 2, so as to ensure the balance between the inside and outside air pressure of the storage hopper
2 and ensure the normal output of feeding materials. When filling and feeding materials into the storage hopper 2, the adjustable breathing valve 3 can expel the internal gas of the storage hopper 2 outwards, so as to ensure that the feeding materials can be smoothly loaded into the storage hopper 2.
Alternatively, the suction nozzle 5 is shaped as a cone with a large upper part and a small lower part. In this embodiment, the tapered suction nozzle 5 can, on the one hand, facilitate the feeding material to automatically slide to the suction nozzle 5 for dropping, so as to ensure the normal delivery of the feeding material, and on the other hand, the suction nozzle 5 has a larger delivery pressure at the position with the smallest dia gauge, so that the occurrence of material jamming and material blocking can be reduced. In some embodiments, the shape of the suction nozzle 5 may also be cylindrical, square, etc.
In one embodiment of the invention, the suction unit compris- es a material suction hose 7, one end of which is connected to the outlet of the suction nozzle 5 and the other end of which is con- nected to the small hopper 14 via a feeding valve 8. In this em- bodiment, the connection or disconnection of the material suction hose 7 to the small hoppers 14 can be controlled by means of the feeding valve 8, so that when the number of the small hoppers 14 is large, the operation of each small hopper 14 can be controlled individually by controlling the switching of the feeding valve 8.
In one embodiment of the present invention, one end of the material suction hose 7 is detachably connected to the outlet of the suction nozzle 5 via a clip connector 4. In this way, the ma- terial suction hose 7 can be quickly installed and removed, and at the same time, the replacement and maintenance of the material suction hose 7 is facilitated.
In an embodiment of the present invention, there is a plural- ity of storage hoppers 2 and small hoppers 14, the suction nozzle 5 of each storage hopper 2 is respectively connected to one end of the material suction hose 7 via a first branch pipe 17, and the feeding valve 8 of each small hopper 14 is respectively connected to the other end of the material suction hose 7 via a second branch pipe 18.
In this embodiment, a plurality of the storage hoppers 2 and a plurality of the small hoppers 14 are connected in a parallel manner; when a certain storage hopper 2 or the small hopper 14 fails, switching to another storage hopper 2 or another small hop- per 14 for material loading or feeding can be performed; in addi- tion, different types of feeding materials can also be stored in the storage hoppers 2 so as to meet the needs of multiple fish cultivation; and when feeding, each storage hopper 2 can be indi- vidually controlled, and the whole feeding process can achieve au- tomatic control, is easy to operate, and the system is safe and reliable.
In an embodiment of the present invention, a high level gauge 9 and a low level gauge 13 are provided above and below the inside of the small hopper 14, respectively, and a material discharger 12 is provided at the bottom of the small hopper 14.
In this embodiment, the small hopper 14 sucks the feeding ma- terial in the storage hopper 2 by negative pressure, and when the feeding material reaches the high level gauge 9, the feeding is stopped. When feeding, the positive pressure delivering unit and the material discharger 12 are started, the feeding material in the small hopper 14 is delivered into the cultivation tank 16 via the material discharger 12 and the positive pressure delivering unit, and when the feeding material in the small hopper 14 reaches the low level gauge 13, feeding is stopped and material loading is started. It should be noted that when two or more small hoppers 14 are connected in series, the connecting material discharger 12 may control single or multiple small hoppers 14 for material discharg- ing delivery as desired.
In an embodiment of the present invention, the negative pres- sure generating unit comprises a Roots blower 1 connected to the top of the small hopper 14 via an inlet valve 10 capable of indi- vidually controlling the connection or disconnection of each small hopper 14 to the Roots blower 1. In this way, one or more small hoppers 14 can be selected to work simultaneously through the in- let valve 10, depending on the amount of feed, to meet the re- quirements, which is more flexible and convenient to use.
In the present invention, optionally, the inlet valve 10 is an electric three-way valve. In this way, the synchronization and consistency of the connection of a plurality of small hoppers 14 can be ensured, and the electric three-way valve can also switch suction for different small hoppers 14.
In an embodiment of the present invention, the positive pres- sure delivering unit comprises a high-pressure fan 11 and a deliv- ering pipe 15, wherein the high-pressure fan 11 is in communica- tion with one end of the delivering pipe 15, and the other end of the delivering pipe 15 is connected to the cultivation tank 16, wherein the material discharger 12 is in communication with the delivering pipe 15.
In this embodiment, when feeding materials, the high-pressure fan 11 is activated to generate high-pressure gas, and the feeding materials in the small hopper 14 enter the feeding pipe 15 through the material discharger 12, and are delivered into the cultivation tank 16 under the action of the high-pressure gas, with a long de- livery distance and safe and reliable operation.
Each technical feature of the above-mentioned embodiments can be combined in any combination, and in order to make the descrip- tion concise, not all the possible combinations of each technical feature in the above-mentioned embodiments are described; however, as long as there is no contradiction between the combinations of these technical features, they should be considered as the scope of the description.
The above-described embodiments are merely representative of several embodiments of the present invention and are not to be construed as limiting the scope of the present invention. It should be noted that several variations and modifications can be made by a person skilled in the art without departing from the in- ventive concept, which is within the scope of the present inven- tion. Accordingly, the protection sought herein is as set forth in the claims below.

Claims (10)

CONCLUSIESCONCLUSIONS 1. Kweekvoederinrichting voor een mariene faciliteit, met het ken- merk, dat deze omvat: een materiaallaadcomponent met inbegrip van een materiaalopslag- trechter (2) waarin de voedermaterialen zijn opgeslagen; een voedercomponent met een kleine trechter (14) die via een zuig- eenheid met de voedercomponent is verbonden; een onderdruk opwekkende eenheid die is aangesloten op de boven- kant van de kleine trechter (14) waarbij een onderdruk wordt ge- produceerd in de kleine trechter (14), zodat de voedermaterialen via de zuigeenheid voor materiaal in de binnenzijde van de kleine trechter (14) worden gezogen; een overdruk leverende eenheid die is verbonden met de bodem van de kleine trechter (14) en die in staat is om positieve druk te leveren om het voedermateriaal in de kleine trechter (14) over te brengen in de kweektank (16).A nursery feeder for a marine facility, characterized by comprising: a material loading component including a material storage hopper (2) in which the feed materials are stored; a feed component having a small funnel (14) connected to the feed component via a suction unit; a negative pressure generating unit connected to the top of the small hopper (14) producing a negative pressure in the small hopper (14), so that the feed materials through the material suction unit into the inside of the small hopper ( 14) be sucked; a positive pressure supply unit connected to the bottom of the small hopper (14) and capable of supplying positive pressure to transfer the feed material in the small hopper (14) into the breeding tank (16). 2. Kweekvoederinrichting voor een mariene faciliteit volgens de voorgaande conclusie, met het kenmerk, dat aan de onderkant van de voorraadtrechter (2) een zuigmond (5) is voorzien, waarbij een af- voerklep (6) en een verstelbare ademhalingsklep (3) zijn verbonden met de uitlaat van de zuigmond (5), waarbij de afvoerklep (6) de zuigmond (5) kan openen of sluiten, en waarbij de verstelbare ademhalingsklep (3) de interne en externe drukken van de voorraad- trechter (2) automatisch kan ventileren en aanpassen en balance- ren.Breeding feeder for a marine facility according to the preceding claim, characterized in that a suction mouth (5) is provided at the bottom of the feed hopper (2), wherein a discharge valve (6) and an adjustable breathing valve (3) are provided. connected to the outlet of the squeegee (5), wherein the discharge valve (6) can open or close the squeegee (5), and wherein the adjustable breathing valve (3) can automatically adjust the internal and external pressures of the hopper (2) ventilate and adjust and balance. 3. Kweekvoederinrichting voor een mariene faciliteit volgens con- clusie 2, met het kenmerk, dat de zuigmond (5) de vorm heeft van een kegel met een groot bovenste deel en een klein onderste deel.A breeding feeder for a marine facility according to claim 2, characterized in that the suction mouth (5) is in the form of a cone with a large upper part and a small lower part. 4. Kweekvoederinrichting voor een mariene faciliteit volgens con- clusie 2 of 3, met het kenmerk, dat de materiaalaanzuigeenheid een toevoerslang (7) omvat, waarvan het ene uiteinde is verbonden met de uitlaat van de zuigmond (5), en waarvan het andere uiteinde via een toevoerklep (8) is verbonden met de kleine trechter (14).A breeding feeder for a marine facility according to claim 2 or 3, characterized in that the material suction unit comprises a supply hose (7), one end of which is connected to the outlet of the suction mouth (5), and the other end of which is connected to the small funnel (14) via a feed valve (8). 5. Kweekvoederinrichting voor een mariene faciliteit volgens con- clusie 4, met het kenmerk, dat een uiteinde van de materiaalzuig- slang (7) losmaakbaar is verbonden met de uitlaat van de zuigmond (5) via een clipverbinding (4).A breeding feeder for a marine facility according to claim 4, characterized in that one end of the material suction hose (7) is releasably connected to the outlet of the suction mouth (5) via a clip connection (4). 6. Kweekvoederinrichting voor een mariene faciliteit volgens con- clusie 5, met het kenmerk, dat er een veelvoud aan voorraadtrech- ters (2) en kleine vultrechters (14) zijn, waarbij de zuigmond (5) van elke voorraadtrechter (2) respectievelijk is aangesloten op het ene uiteinde van de materiaalaanzuigslang (7) via een eerste aftakleiding (17), en de toevoerklep (8) van elke kleine trechter (14) respectievelijk is verbonden met het andere uiteinde van de materiaalaanzuigslang (7) via een tweede aftakleiding (18).A breeding feeder for a marine facility according to claim 5, characterized in that there are a plurality of supply hoppers (2) and small hoppers (14), wherein the suction mouth (5) of each supply hopper (2) is respectively connected to one end of the fluid suction hose (7) through a first branch line (17), and the feed valve (8) of each small hopper (14) is connected to the other end of the fluid suction hose (7) through a second branch line ( 18). 7. Kweekvoederinrichting voor een mariene faciliteit volgens con- clusie 1, met het kenmerk, dat een hoog niveau-meter (9) en een laag niveau-meter (13) respectievelijk boven en onder de binnen- zijde van de kleine trechter (14), en een materiaalontlader (12) is voorzien aan de onderkant van de kleine trechter (14).The breeding feeder for a marine facility according to claim 1, characterized in that a high level meter (9) and a low level meter (13) are respectively above and below the inside of the small funnel (14) , and a material unloader (12) is provided at the bottom of the small hopper (14). 8. Kweekvoederinrichting voor een mariene faciliteit volgens con- clusie 7, met het kenmerk, dat de onderdruk opwekkende eenheid een Roots-blazer {1} omvat die is verbonden met de bovenkant van de kleine trechter (14) via een inlaatklep (10) die in staat is om individueel elke kleine trechter (14) van en naar de Roots-blazer (1) te regelen.A nursery feeder for a marine facility according to claim 7, characterized in that the negative pressure generating unit comprises a Roots blower {1} connected to the top of the small funnel (14) through an inlet valve (10) which is able to individually control each small funnel (14) to and from the Roots blower (1). 9. Kweekvoederinrichting voor een mariene faciliteit volgens con- clusie 8, met het kenmerk, dat de inlaatklep (10) een elektrische driewegklep is.A nursery feeder for a marine facility according to claim 8, characterized in that the inlet valve (10) is an electric three-way valve. 10. Kweekvoederinrichting voor een mariene faciliteit volgens een van de conclusies 7 tot 9, met het kenmerk, dat de overdruk leve- rende eenheid een hogedrukventilator (11) en een toevoerleiding (15) omvat, waarbij de hogedrukventilator (11) in verbinding staat met het ene uiteinde van de toevoerleiding (15), waarbij het ande- re uiteinde van de toevoerleiding (15) in verbinding staat met de kweektank (16), waarbij de materiaalafvoer (12) in verbinding staat met de toevoerleiding (15).A nursery feeder for a marine facility according to any one of claims 7 to 9, characterized in that the positive pressure supplying unit comprises a high pressure fan (11) and a supply line (15), the high pressure fan (11) communicating with one end of the supply line (15), the other end of the supply line (15) communicating with the culture tank (16), the material discharge (12) communicating with the supply line (15).
NL2031508A 2022-01-18 2022-04-05 Marine facility mariculture feeding device NL2031508B1 (en)

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Application Number Priority Date Filing Date Title
CN202210055548.0A CN114304030A (en) 2022-01-18 2022-01-18 Ocean facility breeding feeding device

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NL2031508A true NL2031508A (en) 2022-06-17
NL2031508B1 NL2031508B1 (en) 2024-06-26

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