EP3211993A1 - Dispositif pour dépuration de crustacés et de fruits de mer - Google Patents

Dispositif pour dépuration de crustacés et de fruits de mer

Info

Publication number
EP3211993A1
EP3211993A1 EP15734273.4A EP15734273A EP3211993A1 EP 3211993 A1 EP3211993 A1 EP 3211993A1 EP 15734273 A EP15734273 A EP 15734273A EP 3211993 A1 EP3211993 A1 EP 3211993A1
Authority
EP
European Patent Office
Prior art keywords
outer container
depuration
channel
depuration device
bottom plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP15734273.4A
Other languages
German (de)
English (en)
Inventor
Willem Frederik Johan SMIT
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFC Manufacturing Co Ltd
Original Assignee
JFC Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JFC Manufacturing Co Ltd filed Critical JFC Manufacturing Co Ltd
Publication of EP3211993A1 publication Critical patent/EP3211993A1/fr
Withdrawn legal-status Critical Current

Links

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
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/02—Receptacles specially adapted for transporting live fish
    • 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
    • A01K61/50—Culture of aquatic animals of shellfish
    • A01K61/54—Culture of aquatic animals of shellfish of bivalves, e.g. oysters or mussels
    • 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
    • A01K61/50—Culture of aquatic animals of shellfish
    • A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
    • 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
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
    • 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

Definitions

  • the present invention relates to a device for depuration of crustaceans and/or shellfish. This is understood to mean at least one of culturing, purifying and/or cleaning.
  • Depuration of living crustaceans and shellfish, or benthic organisms is further understood to mean that these creatures are kept alive for a determined time (the retention time), wherein a (sea)water flow is sustained and maintained through the product mass.
  • This (sea)water flow provides for the supply of necessary nutrients and the discharge of waste products such as sand, as well as ammonia, faeces, pseudofaeces and other secretions produced by the benthic organisms.
  • waste products such as sand, as well as ammonia, faeces, pseudofaeces and other secretions produced by the benthic organisms.
  • a salt water flow is utilized; and in the case of freshwater animals a freshwater flow can conversely be applied.
  • Depuration of the product is applied, among other purposes, for: temporary wet storage which can be designated “wet storage” because the benthic organisms are located in water such as seawater; stock accumulation; removal of sand from the benthic organisms; as pretreatment for a follow-on process; for removal of toxins (purification); for the culture of half-grown crustaceans and shellfish following respectively the post-larval and pediveliger stage, which can be designated as "culture”, and so on.
  • Depuration can be differentiated into natural depuration and artificial depuration.
  • natural depuration the vulnerable crustaceans and shellfish are placed with a small layer thickness on natural sandbanks or mudbanks (seabed), wherein ebb and flow provide for the necessary flow thereover and therethrough. These natural flows thereover and therethrough occur with very large quantities of (sea)water.
  • Depuration can further be subdivided into vertical depuration and horizontal depuration.
  • plastic depuration trays can be stacked in multiples.
  • the advantage of tray stacking is that the supplied (sea)water can be used several times. This results in a saving in respect of pump energy and (sea)water used.
  • the known depuration units are unsuitable for direct supply of product to the retail trade, which reduces product freshness and causes difficulties in respect of product traceability.
  • This drawback is mainly attributable to the size of the known depuration devices. It is hereby usual to preferably keep the crustaceans and/or shellfish at the lowest possible positive temperatures in the known depuration devices, for instance up until the shortest possible moment before for instance consumption or other type of processing. When the desired retention time has been reached, the crustaceans and/or shellfish are taken out of the depuration devices and packaged for instance in manageable portions or quantities.
  • EP-2567620 relates to a configuration which is usable only for purification or wet storage for a short period, as will be apparent from the designation
  • the depuration device has for this purpose the features that the bottom plate is closed to the space below the bottom plate and is arranged at an incline in the outer container and is oriented at least partially, and preferably wholly downward toward a selectively closable and openable outflow opening in at least one of the side walls and the bottom of the outer container.
  • Water from an upper-lying depuration device can thus enter an underlying depuration device only via the ascent channel and the descent channel connecting thereto, and passage of residues and cross-contamination resulting therefrom is surprisingly prevented very effectively with the configuration of only the ascent and descent channels for throughfeed of (sea)water, this in contrast to the situation in the case of or with a prior art depuration device where a bottom plate with at least one passage to the space thereunder is applied.
  • a product holder is preferably insertable into or removable from the outer container. For purposes of transport only the product holder can be transported.
  • the depuration device according to the invention can have the feature that the descent channel leads to an underlying outer container in a stack of outer containers.
  • the depuration device can have the features that the bottom plate defines a space in or under the bottom of the outer container into which the descent channel debouches.
  • the depuration device can have the feature that the bottom of the outer container comprises at least one throughfeed opening from the space under the bottom plate to the underlying outer container.
  • the depuration device can have the feature that the product holder is manufactured from at least one of the materials from the group comprising: a plastic; a metal; et cetera.
  • the depuration device can have the feature that the product holder comprises at least one handgrip.
  • the depuration device can have the feature that at least a bottom of the product holder comprises passages.
  • the depuration device can have the feature that at least one of the outer container and the product holder comprises at least one centering protrusion.
  • the depuration device can have the feature that the outer container is manufactured from at least one of the materials from the group comprising: a plastic; a metal; et cetera.
  • the depuration device can have the feature that the outer container is stackable on or under an additional outer container.
  • the depuration device can have the feature of a discharge channel for connection to the selectively closable and openable outflow opening of an upper -lying or underlying outer container in a stack.
  • the discharge channel is arranged outside the wall of the outer container, wherein an internal configuration of the discharge channel also lies within the scope of the present invention.
  • the outflow opening can be aiianged in the bottom plate, with a throughfeed channel to the discharge channel and a closing valve in or at the outflow opening, which closing valve can be operated from a side of the outer container.
  • the closing valve can comprise a controllable slide at the outflow opening with a pull or push rod extending laterally to the side of the outer container.
  • the discharge channels of outer containers lying one above another in a stack of outer containers can be connectable to each other.
  • the ascent channel preferably lies along a wall of the outer container.
  • the descent channel preferably lies along a wall of the outer container.
  • Figure 1 is a schematic cross-sectional side view of an assembled depuration device according to the present invention in a first embodiment
  • Figure 2 is a perspective view of a product holder as can be applied in for instance the assembly of the depuration device in figure 1 ;
  • Figure 3 is a schematic cross-sectional side view of an assembled depuration device according to the present invention in an additional and/or alternative embodiment
  • Figure 4 is a schematic cross-sectional side view of only an outer container of a depuration device according to the present invention in an additional and/or alternative embodiment
  • Figure 5 shows an assembly of outer containers stacked onto each other in an embodiment additionally having an discharge channel outside the outer wall
  • Figure 6 shows a configuration similar to figure 5, but with a tubular discharge channel
  • Figure 7 shows a cross-sectional view of a further developed embodiment of an outer container of or for a depuration device according to the present invention.
  • a device in a first embodiment according to the present invention comprises in figure 1 an assembly of a removable plastic product holder 1 with handgrips 13 and a perforated bottom 14 and an outer container 2 fitting therearound.
  • Outer container 2 is provided with handgrips 15 and centering protrusions 3 for centering product holder 1.
  • Centering protrusions 3 can be arranged on product holder 1 instead of on outer container 2.
  • This (sea)water flow is brought about by forming a uniform pressure-regulating layer of
  • Outer container 2 also comprises a closed bottom 4 sloping downward to a relatively large outflow opening 5 which comprises an associated quick-action closure.
  • the quick-action closure comprises a valve 17 on an operating arm or handle 18 rotatable about a tilting point 19, which valve is held closed by a resilient body 12 acting on operating handle 18.
  • This relatively large outflow opening 5 is opened at predetermined points in time, whereby sediment lying on the sloping bottom is flushed out and harmful bacterial growth is avoided.
  • This opening of valve 17 can take place manually or by means of a control, remotely if desired, for instance with a hydraulic or pneumatic cylinder or an (electric) motor or any other random form of a drive.
  • Valve 17 can have any fitting or suitable form, for instance a slide valve and/or knife -gate valve, a ball valve, a butterfly valve, a rotatable drain tube and so on.
  • Product holder 1 is shown in more detail in Figure 2.
  • the product holder comprises closed walls 20 and the perforated bottom 14. Because walls 20 are closed, at least ascent channel 9 can be defined simply by placing the product holder in outer container 2 as shown in the assembled state in Figure 1.
  • a separating wall (not shown) in the outer container can be utilized to define ascent channel 9 between an inner wall 21 which is connected to the inclining bottom 4 (and already serves to form descent channel 10 with an outer wall of the outer container) and this separating wall.
  • Ascent channel 9 can be embodied as yet another alternative in the form of a tube or pipe 24 along or on the separating wall (or elsewhere) and connected to space 8 in Figure 3.
  • descent channel 10 can be embodied in the form of a pipe or tube 25 on or along the outer side of outer container 23 in Figure 3.
  • the alternative embodiment according to Figure 3 otherwise has a curved but also closed bottom 26 instead of the inclining but straight bottom 4 in Figure 1 , and product holder 22 can be a basket.
  • product holder 22 can be a basket.
  • the handgrips 13 on product holder 22 can come to rest on handgrips 15 of outer container 23.
  • an outer container (not shown) comprises a side wall formed by means of a hatch through which it is possible to allow escape of (sea)water in the outer container but also to place/take a whole product holder into and/or out of the outer container. Passage openings 11 are then preferably closable.
  • a stack of outer containers need not therefore be taken apart to provide access to a single product holder in an outer container somewhere in a stack of outer containers.
  • FIG 4 shows yet another embodiment of the present invention. Shown therein is an outer container 28 without product holder (which must however be placed in outer container 28 in an assembled position of use), with a filter plate 27 in outer container 28, whereby ascent channel 9; 24 and descent channel 10; 25 are omitted.
  • this is similar to the prior art according to EP-1120038 and/or EP-2567620 with a bottom plate with at least one passage, which does not suffice in respect of preventing cross-contamination from an upper-lying to an underlying outer container.
  • Residues can be removed from filter plate 27 in order to extend the retention time by operating valve 17 of outflow opening 5 at set times or as required, using a motor 30 in the case of the embodiment in Figure 4.
  • Product holders 1 can be closable with a bottom element and optionally a cover. After removal of a product holder 1 from an outer container the product holder can in this way be closed for transport to a customer for the purpose of preserving the freshness of the crustaceans and/or shellfish therein.
  • Figure 5 shows an assembly 33 of outer containers 34 stacked onto each other.
  • Each outer container 34 in stack 33 has a discharge channel 31 outside an outer wall with an upward oriented inlet 35 on the upper side of the associated outer container 34 for collecting water with waste flowing out of an outflow opening 5 of an upper-lying outer container 34 in opened position.
  • the outflow opening can by way of example be opened in the direction of arrow G.
  • Discharge channel 31 converges in downward direction to a narrower width at the underside of the associated outer container 34 and debouches at an outlet 36.
  • Inlet 35 is also sufficiently large and/or wide to collect water and waste from outflow opening 5 and from outlet 36 of one or more than one upper-lying outer container 34.
  • Figure 6 shows a similar though other configuration with a stack 37 of outer containers 38 which are provided on the outer side with a tubular discharge channel 32.
  • Discharge channels 32 have on the upper side of the associated outer containers 38 a widened portion 39 for passage of water and waste coming from a discharge channel 32 of an upper-lying outer container 38.
  • Discharge channels 32 further have a lateral branch 40 for collecting water and waste coming from an outflow opening 5 of the associated outer container 38.
  • Channels 31 , 32 are not higher, longer or lower than the dimensions of the associated outer container 34, 38. Parts protruding relative to outer containers 34, 38 are thus avoided.
  • the discharge channels can by way of alternative (not shown) also be arranged internally in the outer containers.
  • the units are small (but can be large) and are particularly, though not exclusively, suitable in a small variant for: retail trade size, good product traceability, easy handling.
  • an ideal vertical, laminar, downward oriented and controllable product throughput can be realized, wherein each individual product is provided with sufficient supply and discharge of (sea)water.
  • An efficient water management can be realized while the invention is highly suitable for crustaceans and/or shellfish.
  • the product holder is removable, it can be filled directly with product by a supplier/fisherman/breeder, whereby product damage and product mortality can be reduced, and the same broadly applies for marketing to (end) customers/buyers/restaurants and the like.
  • the invention is suitable for application in an automated system.
  • the embodiment according to figure 7 comprises an outer container 41 with a bottom 42 in, on or at which are formed bosses 43 on which a protective plate, grating or similar element (not shown) can be laid in order to avoid the need for a product holder or inner container.
  • the wall of outer container 41 comprises integrated ascent channels 44 and descent channels 45.
  • a discharge channel 46 is further integrated into a wall of outer container 41.
  • a downward sloping section 47 of bottom 42 runs to an outflow opening 48 which is closable with a slide valve 49.
  • Outflow opening 48 is preferably relatively large and slide valve 49 is a preferred embodiment of a control which is quick and easy to operate for selective opening and/or closing of the outflow opening. This is related to convenience of use but also, or more so, to outflow speeds, which must preferably be high when slide valve 49 is opened in order to allow runoff of as much as possible of the ammonia, faeces, pseudofaeces and other secretions produced by the benthic organisms.
  • Other parts of the bottom can also have an incline and drain to outflow opening 48.
  • Slide valve 49 can be operated with a pull or push rod 50 with which the slide valve can be selectively set into operation in order to selectively leave clear a throughfeed channel 51 between outflow opening 48 and discharge channel 46. It is emphasized here that this embodiment has a closed bottom plate 42 in the sense that water cannot pass from the bottom plate from the space thereabove to an underlying container in a stack without flowing through the ascent and descent channels 44, 45.
  • Cross-contamination between containers lying above and/or below each other in such a stack can thus be effectively controlled because ammonia, faeces, pseudofaeces and other secretions produced by the benthic organisms are discharged separately via outflow opening 48 with slide valve 49, throughfeed channel 51 and discharge channel 46 without the danger of their being able to enter an underlying container in a stack of containers.
  • the product holder can be formed integrally with the outer container or can be omitted as in figure 7.
  • the product holder can be formed integrally with the outer container or can be omitted as in figure 7.
  • Other variants also fall within the protection of the following claims. It is thus possible for the ascent and descent channels, perforated intermediate bottom (product carrier bottom), bottom plate at an incline and discharge opening for wastes etc. to form one whole.
  • the outer container can have been or is provided with recesses and/or other accommodations in or at the bottom for transport by means of for instance a forklift truck, lifting device and the like.
  • Outflow opening 5 can also be located on the underside in or at the bottom of the outer container as in the embodiment of figure 7 instead of in a side wall according to the other embodiments.
  • Discharge channel 31, 32 can be integrated into (the interior of) at least one of the outer container and the product holder and need not be arranged on the outer side of the outer container, but can additionally or alternatively be positioned and received in the interior of the outer container as in the embodiment of figure 7.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Zoology (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

La présente invention concerne un dispositif de dépuration conçu pour accueillir des crustacés et/ou des fruits de mer. Le dispositif de dépuration comprend un contenant externe (2 ; 23 ; 28) et éventuellement aussi un support de produit (1 ; 22) dans le contenant externe. Le support de produit est de préférence distinct et peut être inséré dans le contenant externe ou retiré de celui-ci. Le contenant externe comprend un fond doté d'une plaque de fond (4 ; 26) et de parois latérales. De plus, le dispositif de dépuration selon la présente invention comprend sur un côté un canal ascendant (9 ; 24) et un canal descendant (10 ; 25) relié au canal ascendant (9 ; 24), le canal ascendant (9 ; 24) étant relié à un espace (8) au-dessus d'une plaque de fond (4 ; 26) et le canal descendant (10 ; 25) étant relié à un espace (8) sous la plaque de fond (4), la plaque de fond (4 ; 26) étant fermée sur l'espace au-dessous de la plaque de fond (4 ; 26) et étant agencée avec une inclinaison dans le contenant externe et étant orientée au moins partiellement et de préférence entièrement vers le bas en direction d'une ouverture de sortie (5) pouvant être fermée et ouverte sélectivement dans au moins une des parois latérales et le fond du contenant externe (2 ; 23 ; 28).
EP15734273.4A 2014-06-30 2015-06-18 Dispositif pour dépuration de crustacés et de fruits de mer Withdrawn EP3211993A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2013090A NL2013090B1 (nl) 2014-06-30 2014-06-30 Inrichting voor het verwateren van schaal- en/of schelpdieren
PCT/NL2015/050446 WO2016003264A1 (fr) 2014-06-30 2015-06-18 Dispositif pour dépuration de crustacés et de fruits de mer

Publications (1)

Publication Number Publication Date
EP3211993A1 true EP3211993A1 (fr) 2017-09-06

Family

ID=51302747

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15734273.4A Withdrawn EP3211993A1 (fr) 2014-06-30 2015-06-18 Dispositif pour dépuration de crustacés et de fruits de mer

Country Status (3)

Country Link
EP (1) EP3211993A1 (fr)
NL (1) NL2013090B1 (fr)
WO (1) WO2016003264A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IS2993B (is) 2017-06-01 2018-03-15 Sæplast Iceland ehf. Hreinsunarkerfi
CN108338108B (zh) * 2018-03-26 2024-02-09 阮保国 水净化处理环保养殖网箱

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2382861A1 (fr) * 1977-03-11 1978-10-06 Casacrus International Sa Procede et conteneur mobile pour transporter, conserver et epurer des produits vivants ou des produits frais
US4537149A (en) * 1982-09-14 1985-08-27 Ryan William J Method and apparatus for cleaning tainted shellfish
FR2804283B1 (fr) * 2000-01-27 2007-11-16 Josselin Pompes Dispositif de stockage et de degagement de coquillage et crustacees
ES2187326B1 (es) * 2000-10-10 2004-11-16 Mariscos Veiro, S.L. Dispositivo depurador de moluscos mediante circulacion forzada de agua, y metodo correspondiente.
CA2497424A1 (fr) * 2002-09-03 2004-03-18 Saeplast Hf. Procede et appareil pour simuler la maree descendante et la maree montante dans une cuve pour espece marine telle que les crustaces
ES1072423Y (es) * 2010-05-07 2010-10-06 Rotogal S L Contenedor para depuracion de moluscos
JP5610296B2 (ja) * 2011-02-09 2014-10-22 義裕 藤芳 二枚貝等の底棲生物の多段式養殖装置及び養殖方法並びにこれを用いたバイオフィルター

Also Published As

Publication number Publication date
WO2016003264A1 (fr) 2016-01-07
NL2013090B1 (nl) 2015-10-14
NL2013090A (nl) 2015-10-12

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