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WO2021242737A1 - Dispositif séparateur pour la séparation de débris par rapport à des poussins nouvellement éclos - Google Patents

Dispositif séparateur pour la séparation de débris par rapport à des poussins nouvellement éclos Download PDF

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Publication number
WO2021242737A1
WO2021242737A1 PCT/US2021/034024 US2021034024W WO2021242737A1 WO 2021242737 A1 WO2021242737 A1 WO 2021242737A1 US 2021034024 W US2021034024 W US 2021034024W WO 2021242737 A1 WO2021242737 A1 WO 2021242737A1
Authority
WO
WIPO (PCT)
Prior art keywords
conveyor
plenum
suction hood
loop
conveyor loop
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.)
Ceased
Application number
PCT/US2021/034024
Other languages
English (en)
Inventor
Michael MAHON
Jon THEURER
Shashank PATIL
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.)
Hatchery Planning Inc
Original Assignee
Hatchery Planning Inc
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 Hatchery Planning Inc filed Critical Hatchery Planning Inc
Publication of WO2021242737A1 publication Critical patent/WO2021242737A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A01K31/00—Housing birds
    • A01K31/18—Chicken coops or houses for baby chicks; Brooders including auxiliary features, e.g. feeding, watering, demanuring, heating, ventilation
    • 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
    • A01K45/00—Other aviculture appliances, e.g. devices for determining whether a bird is about to lay
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
    • B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area

Definitions

  • aspects of the present disclosure relate to poultry processing and, more particularly, to a separator device for separating hatching debris such as eggshell remnants, feather down, and/or broken egg yolk from newly hatched chicks.
  • High volume poultry processing operations implement various machinery to handle the poultry through various life stages.
  • One such piece of machinery for example, implements a servo-controlled rotary drum that receives just-hatched chicks from a hatchery operation and spreads the chicks onto a shaker bed to remove larger hatchery debris such as larger shell pieces.
  • the chicks are then transferred to a conveyor such that the live chicks can be conveyed to be counted and packed for subsequent distribution.
  • the just-hatched chicks received by the conveyor in some instances, may still have debris such as eggshell fragments, feather down, and/or broken egg yolk associated therewith, whether the debris remain on the chicks or is deposited along with the chicks on the conveyor.
  • the machinery may thus implement an arrangement for separating the debris from the chicks such that the chicks, substantially free of debris, are transported to the counting and packing operation.
  • FIG. 1 A schematic of an example piece of machinery, including a chick-shell separator, is shown in FIG. 1.
  • a chick-shell separator generally implements a conveyor for conveying the chicks from the hatchery for subsequent processing. Disposed along the conveyance path is a suction hood for suctioning or vacuuming the eggshell fragments, feather down, and or broken egg yolk from the chicks as the chicks are transported under the suction hood by the conveyor. Due to the suction/vacuum imparted by the suction hood of some prior art chick-shell separators, the conveyor of those prior art chick-shell separators generally comprises an open structure conveyor belt formed from metallic (e.g., steel or stainless steel) belt components (see, e.g.,
  • FIGS. 2A and 2B The open structure of the conveyor belt allows air flow to pass through the belt to help dislodge the debris from the chicks for removal by the suction hood, and also allows for some debris to fall through the conveyor belt for separation of the debris by gravity. Without the open structure of the conveyor belt, the suction hood would tend to draw air flow from space between the suction hood and the conveyor belt, particularly where the conveyor belt enters and exits the coverage area of the suction hood, resulting for example in densification of the chicks on the conveyor belt under the hood. In certain instances, the chicks could also be lifted from the conveyor belt by the suction hood.
  • an improved chick-shell separator device for separating debris such as eggshell fragments, feather down, and/or broken egg yolk from newly-hatched chicks while the chicks are being conveyed from a hatchery to be counted and packed.
  • Such a separator device should desirably decrease the risk of physical injury, stress, and morbidity to the chicks being processed, while also effectively separating debris from the chicks that comprises remnants of the hatching process.
  • a separator device comprising an endless conveyor loop arranged to convey an object in a conveyance direction.
  • the conveyor loop includes a plurality of interlocking conveyor sections each extending perpendicularly to the conveyance direction and defining a width of the conveyor loop.
  • the conveyor sections are arranged to interlock so as to form a substantially continuous planar surface of the conveyor loop, at least through a conveyance zone, and each conveyor section defines perforations extending between inner and outer surfaces of the conveyor loop.
  • a suction hood is disposed opposite the conveyance zone and is spaced apart from the planar surface so as to allow the object to be conveyed by the conveyor loop between the suction hood and the conveyor sections in the conveyance zone.
  • the suction hood is further arranged to impart a suction to the conveyance zone.
  • a plenum is disposed within the conveyor loop and has a plenum outlet disposed adjacent to the inner surface of the conveyor loop within the conveyance zone so as to separate and remove debris from the object conveyed therebetween.
  • the plenum is arranged to cooperate with the conveyor loop to direct air drawn by the suction through the perforations of the conveyor sections from the plenum outlet to be substantially evenly distributed across the width of the conveyor loop.
  • Example Embodiment 1 A separator device, comprising an endless conveyor loop arranged to convey an object in a conveyance direction, the conveyor loop including a plurality of interlocking conveyor sections each extending perpendicularly to the conveyance direction and defining a width of the conveyor loop, the conveyor sections being arranged to interlock so as to form a substantially continuous planar surface of the conveyor loop, at least through a conveyance zone, and each conveyor section defining perforations extending between inner and outer surfaces of the conveyor loop; a suction hood disposed opposite the conveyance zone and spaced apart from the planar surface so as to allow the object to be conveyed between the suction hood and the conveyor sections in the conveyance zone, the suction hood being arranged to impart a suction to the conveyance zone so as to separate and remove debris from the object conveyed therebetween; and a plenum disposed within the conveyor loop and having a plenum outlet disposed adjacent to the inner surface of the conveyor loop within the conveyance zone, the plenum opposing the suction
  • Example Embodiment 2 The device of any preceding or subsequent example embodiment, or combinations thereof, comprising an air flow generator in communication with the plenum and arranged to direct an air flow through the plenum outlet and through the perforations of the conveyor sections within the conveyance zone.
  • Example Embodiment 3 The device of any preceding or subsequent example embodiment, or combinations thereof, wherein each perforation is configured as or acts as a venturi such that the air flow exiting the perforation has a higher flow rate and lower pressure than the flow rate and pressure of the air flow entering the perforation from the plenum outlet.
  • Example Embodiment 4 The device of any preceding or subsequent example embodiment, or combinations thereof, comprising a seal engaged between the plenum outlet and the conveyor sections within the conveyance zone such that the air flow from the air flow generator produces a positive pressure within the plenum, the positive pressure within the plenum directing the air flow through the perforations of the conveyor sections to be substantially evenly distributed across the width of the conveyor loop.
  • Example Embodiment 5 The device of any preceding or subsequent example embodiment, or combinations thereof, wherein the suction imparted by the suction hood is equal to or greater than a positive pressure of the air flow exiting the perforations of the conveyor sections within the conveyance zone.
  • Example Embodiment 6 The device of any preceding or subsequent example embodiment, or combinations thereof, wherein the plenum outlet extends across the width of the conveyor loop and extends in the conveyance direction for a length of at least two conveyor sections.
  • Example Embodiment 7 The device of any preceding or subsequent example embodiment, or combinations thereof, wherein the suction hood is arranged to oppose the plenum outlet within the conveyance zone, to extend across the width of the conveyor loop, and to extend for a length of the plenum outlet relative to the conveyance direction.
  • Example Embodiment 8 The device of any preceding or subsequent example embodiment, or combinations thereof, wherein the suction hood is arranged to oppose the plenum outlet within the conveyance zone, to extend across the width of the conveyor loop, and to extend upstream and downstream of the plenum outlet relative to the conveyance direction.
  • Example Embodiment 9 The device of any preceding or subsequent example embodiment, or combinations thereof, wherein the suction hood further includes a baffle engaged therewith about an upstream side or a downstream side of the suction hood relative to the conveyance direction, the baffle being arranged to direct external air being drawn into the suction hood to interact with the object conveyed by the conveyor so as to facilitate separation and removal of the debris from the object.
  • Example Embodiment 10 The device of any preceding or subsequent example embodiment, or combinations thereof, wherein each perforation defined by each conveyor section includes an outlet port defined by the outer surface of the conveyor loop, the outlet port being configured as an elongate slot arranged substantially parallel to the conveyance direction.
  • Example Embodiment 11 The device of any preceding or subsequent example embodiment, or combinations thereof, wherein the conveyor loop is a modular plastic belt formed from the conveyor sections.
  • Example Embodiment 12 The device of any preceding or subsequent example embodiment, or combinations thereof, comprising a separator device engaged with the suction hood, the separator device being arranged to separate and retain the debris separated and removed from the objects.
  • FIG. 1 schematically illustrates an example chick-shell separator device
  • FIGS. 2 A and 2B schematically illustrate two examples of a prior art conveyor belt for a conveyor of a chick-shell separator device of the type shown in FIG. 1;
  • FIG. 3 schematically illustrates a chick-shell separator device, according to one aspect of the present disclosure
  • FIG. 4 schematically illustrates a modular plastic conveyor belt including a plurality of interlocking conveyor sections, according to one aspect of the present disclosure
  • FIG. 5-8 schematically illustrates various views of a plenum and suction hood arrangement for separating debris such as eggshell fragments, feather down, and/or broken eg yolk from chicks in a chick-shell separator device, according to one aspect of the present disclosure.
  • Particular aspects of the present disclosure are directed to a separator device 100 (see, e.g., FIGS. 1 and 3) for separating debris from a conveyed object 200, namely, for example, separating eggshell fragments, feather down, and/or broken egg yolk from newly-hatched chicks in a poultry processing operation.
  • the separator device 100 includes an endless conveyor loop 300 arranged to convey the object 200 in a conveyance direction 310.
  • the conveyor loop 300 includes a plurality of interlocking conveyor sections 320 (see, e.g., FIG. 4) each extending perpendicularly to the conveyance direction 310 and defining a width of the conveyor loop 300.
  • the conveyor sections 320 are arranged to interlock so as to form a substantially continuous planar surface 330 of the conveyor loop 300, wherein the substantially continuous planar surface 330 extends at least through a conveyance zone 340 through which the objects 200 are conveyed.
  • each conveyor section 320 forming the conveyor loop 300 defines a plurality of perforations 350 extending between an inner surface 360 and an outer surface 365 of the conveyor loop 300.
  • each perforation 350 defined by each conveyor section 320 includes an outlet port 355 (see, e.g., FIGS. 4 and 5) defined by the outer surface 365 of the conveyor loop 300, wherein the outlet port 355 is configured as an elongate slot arranged substantially parallel to the conveyance direction 310.
  • Such a conveyor loop 300 can be, for example, a modular plastic belt formed from the interlocking conveyor sections 320.
  • the conveyor loop 300 can be, for example, an open hinge, flat mesh top polypropylene modular belt manufactured by Intralox, LLC of Dallas, TX.
  • a suction hood 400 (see, e.g., FIGS. 1, 3, and 5-8) is disposed opposite the conveyance zone 300 such that the suction hood 400 is spaced apart from the planar surface 330.
  • the suction hood 400 is sufficiently spaced apart from the planar surface 330 to allow the object 200 to be conveyed between the suction hood 400 and the conveyor sections 320 in the conveyance zone 340.
  • the suction hood 400 includes a leading edge 410 where the conveyor loop 300 first coincides with the suction hood 400 in the conveyance direction 310, and a trailing edge 420 where the conveyor loop 300 leaves the area under the suction hood 400 (see, e.g., FIG.
  • a fan assembly 500 (see, e.g., FIGS. 3 and 6) is engaged with the suction hood 400 and arranged to generate suction that is realized as air flow drawn into the suction hood 400 from the conveyance zone 340.
  • the suction hood 400 is thus arranged to impart the suction to the conveyance zone 340 so as to separate and remove debris from the object 200 conveyed therebetween, such as, for example, the eggshell fragments, feather down, and/or broken egg yolk from the chicks.
  • a plenum 600 is disposed within the conveyor loop 300 and includes a plenum outlet 610 disposed adjacent to the inner surface 360 of the conveyor loop 300 within the conveyance zone 340.
  • the plenum 600 particularly the plenum outlet 610, opposes the suction hood 400, wherein the conveyor loop 300 extends therebetween.
  • the plenum 600 / plenum outlet 610 are arranged to cooperate with the conveyor loop 300 to direct air drawn by the suction from the suction hood 400, through the perforations 350 of the conveyor sections 320 and from the plenum outlet 610 to be substantially evenly distributed across the width of the conveyor loop 300.
  • the plenum outlet 610 extends across the width of the conveyor loop 300, and extends in the conveyance direction 310 for a length of at least two conveyor sections.
  • the suction hood 400 is arranged to oppose the plenum outlet 610 within the conveyance zone 340. More particularly, the suction hood 400 can be arranged to extend across the width of the conveyor loop 300, and to extend for a length of the plenum outlet 610 relative to the conveyance direction 310. In other instances, the suction hood 400 can be arranged to extend across the width of the conveyor loop 300, and to extend upstream and downstream of the plenum outlet 610 relative to the conveyance direction 310.
  • an air flow generator 700 (see, e.g., FIG. 5) is arranged in communication with the plenum 600 so as to provide an air flow thereto.
  • the air flow generator 700 can be, for example, a fan or blower unit.
  • the air flow can be provided by the exhaust side 505 (see, e.g., FIG. 6) of the fan assembly 500 associated with the suction hood 400 (e.g., the air flow generator 700 is the exhaust side 505 of the fan assembly 500).
  • the air flow generator 700 is arranged to direct the air flow through the plenum outlet 610 and through the perforations 350 of the conveyor sections 320 within the conveyance zone 340.
  • the plenum 600 / plenum outlet 610 are arranged to cooperate with the conveyor loop 300 such that the air flow from the plenum outlet 610 through the perforations 350 of the conveyor sections 320 is substantially evenly distributed across the width of the conveyor loop 300.
  • each perforation 350 defined by each of the conveyor sections 320 of the conveyor loop 300 acts as or is configured as a venturi.
  • the air flow directed through the conveyor sections 320 and exiting the perforations 350 has a higher flow rate and lower pressure than the flow rate and pressure of the air flow entering the perforations 350 from the plenum outlet 610.
  • a seal 620 see, e.g., FIGS.
  • the plenum outlet 610 is engaged between the plenum outlet 610 and the conveyor sections 320 (e.g., extending about a perimeter of the plenum outlet 610) within the conveyance zone 340 such that the air flow from the air flow generator 700 produces a positive pressure within the plenum 600.
  • the positive pressure within the plenum 600 thus promotes or facilitates that the air flow directed through the perforations 350 of the conveyor sections 320 to be substantially evenly distributed across the width of the conveyor loop 300.
  • the suction imparted by the suction hood 400 is equal to or greater than a positive pressure of the air flow exiting the perforations 350 of the conveyor sections 320 within the conveyance zone 340, for example, so as to prevent the debris dislodged from the objects 200 from being blown out upstream or downstream of the conveyance zone 340.
  • a debris containment device 900 (see, e.g., FIG. 6) is engaged with the suction hood 400, and arranged to separate and retain the debris separated and removed from the object(s) 200 such that the contained debris can subsequently be removed for subsequent disposal.
  • the suction hood 400 in order to direct the external air being drawn into the suction hood 400 by the suction/vacuum generated thereby, the suction hood 400 further includes a baffle 800 engaged therewith about an upstream side 410 or a downstream side 420 of the suction hood 400 relative to the conveyance direction 310 (see, e.g., FIGS. 7 and 8).
  • the baffles 800 are arranged to direct external air being drawn into the suction hood 400 to interact with the object 200 conveyed by the conveyor 300 so as to facilitate separation and removal of the debris from the object 200.
  • the external air being drawn into the suction hood 400 may facilitate constraining of the suction/vacuum to primarily affect the air flow through the perforations 350 defined by the conveyor sections 320, whether drawn in response to the suction or facilitated by positive air flow directed through the plenum 600/plenum outlet 610, to facilitate removal of the debris from the chicks/objects 200.
  • the baffles 800 may also help to prevent the debris dislodged from the objects 200 from being blown out upstream or downstream of the conveyance zone 340.
  • aspects of the present disclosure thus provide a separator device 100 that decreases the risk of physical injury, stress, and morbidity to the chicks being processed, while also effectively separating debris such as eggshell fragments, feather down, and/or broken egg yolks from the chicks that are remnants of the hatching process.
  • first, second, etc. may be used herein to describe various steps or calculations, these steps or calculations should not be limited by these terms. These terms are only used to distinguish one operation or calculation from another. For example, a first calculation may be termed a second calculation, and, similarly, a second step may be termed a first step, without departing from the scope of this disclosure.
  • the term “and/or” and the “/” symbol includes any and all combinations of one or more of the associated listed items.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Birds (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Zoology (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

L'invention concerne un dispositif séparateur qui comprend une boucle de transporteur (300) s'étendant dans une direction de transport (310), et comprenant des sections de transporteur (320) à imbrication s'étendant chacune perpendiculairement à la direction de transport (310) et définissant une largeur de la boucle de transporteur (300). Les sections de transporteur (320) s'imbriquent pour former une surface plane (330) sensiblement continue, au moins à travers une zone de transport (340), et chaque section de transporteur (320) définit des perforations (350) s'étendant à travers celle-ci. Une hotte d'aspiration (400), opposée à la zone de transport (340) et espacée de la surface plane (330), est agencée pour conférer une aspiration à la zone de transport (340). Une chambre (600) est disposée au sein de la boucle de transporteur (300) et possède une sortie de chambre (610) disposée de manière adjacente à la surface interne (360) de la boucle de transporteur (300) au sein de la zone de transport (340). La chambre (600) est agencée pour coopérer avec la boucle de transporteur (300) pour diriger de l'air prélevé par l'aspiration à travers les perforations (350) des sections de transporteur (320) à partir de la sortie de chambre (610) pour être sensiblement uniformément réparti sur toute la largeur de la boucle de transporteur (300).
PCT/US2021/034024 2020-05-27 2021-05-25 Dispositif séparateur pour la séparation de débris par rapport à des poussins nouvellement éclos Ceased WO2021242737A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202063030627P 2020-05-27 2020-05-27
US63/030,627 2020-05-27

Publications (1)

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WO2021242737A1 true WO2021242737A1 (fr) 2021-12-02

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PCT/US2021/034024 Ceased WO2021242737A1 (fr) 2020-05-27 2021-05-25 Dispositif séparateur pour la séparation de débris par rapport à des poussins nouvellement éclos

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994015454A1 (fr) * 1993-01-07 1994-07-21 Attec Danmark A/S Appareil permettant de separer des coquilles d'×uf et des ×ufs non eclos des poussins recemment sortis de l'×uf
NL9401987A (nl) * 1994-11-25 1996-07-01 Philip Karel Marie Louise Van Werkwijze en inrichting voor het scheiden van kuikens en broedafval.
WO2001074491A2 (fr) * 2000-04-03 2001-10-11 Joseph Herman Macneil Procede et dispositif de traitement de coquilles d'oeuf de recuperation
JP2004097923A (ja) * 2002-09-09 2004-04-02 Kuribayashi Seisakusho:Kk ヒヨコの選別装置
EP1814382A1 (fr) * 2004-11-08 2007-08-08 Innovatec B.V. Procede permettant de separer les poussins des restes de la couvee et dispositif correspondant
WO2009065176A1 (fr) * 2007-11-21 2009-05-28 Commonwealth Scientific And Industrial Research Organisation Séparation de matière particulaire

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994015454A1 (fr) * 1993-01-07 1994-07-21 Attec Danmark A/S Appareil permettant de separer des coquilles d'×uf et des ×ufs non eclos des poussins recemment sortis de l'×uf
NL9401987A (nl) * 1994-11-25 1996-07-01 Philip Karel Marie Louise Van Werkwijze en inrichting voor het scheiden van kuikens en broedafval.
WO2001074491A2 (fr) * 2000-04-03 2001-10-11 Joseph Herman Macneil Procede et dispositif de traitement de coquilles d'oeuf de recuperation
JP2004097923A (ja) * 2002-09-09 2004-04-02 Kuribayashi Seisakusho:Kk ヒヨコの選別装置
EP1814382A1 (fr) * 2004-11-08 2007-08-08 Innovatec B.V. Procede permettant de separer les poussins des restes de la couvee et dispositif correspondant
WO2009065176A1 (fr) * 2007-11-21 2009-05-28 Commonwealth Scientific And Industrial Research Organisation Séparation de matière particulaire

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