EP3569397B1 - Dispositif et procédé de séparation les unes des autres des matières mélangées de capacité d'écoulement différente - Google Patents

Dispositif et procédé de séparation les unes des autres des matières mélangées de capacité d'écoulement différente Download PDF

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Publication number
EP3569397B1
EP3569397B1 EP19175061.1A EP19175061A EP3569397B1 EP 3569397 B1 EP3569397 B1 EP 3569397B1 EP 19175061 A EP19175061 A EP 19175061A EP 3569397 B1 EP3569397 B1 EP 3569397B1
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EP
European Patent Office
Prior art keywords
press belt
hollow drum
product
drum
hollow
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.)
Active
Application number
EP19175061.1A
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German (de)
English (en)
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EP3569397A1 (fr
EP3569397B8 (fr
Inventor
Reinhard Evers
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.)
Nordischer Maschinenbau Rud Baader GmbH and Co KG
Original Assignee
Nordischer Maschinenbau Rud Baader GmbH and Co KG
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Publication of EP3569397A1 publication Critical patent/EP3569397A1/fr
Publication of EP3569397B1 publication Critical patent/EP3569397B1/fr
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Publication of EP3569397B8 publication Critical patent/EP3569397B8/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/24—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using an endless pressing band
    • B30B9/241—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using an endless pressing band co-operating with a drum or roller

Definitions

  • the invention relates to a device for separating mixed substances of different flowability, comprising a frame, a hollow drum that can be driven in rotation and is mounted on the frame and has a perforated lateral surface M, an endless press belt that can be pressed against it from the outside while wrapping around part of the circumference of the hollow drum can be driven in rotation, a product feed wedge for feeding in a product flow, and a support device for the press belt with at least one support element which is arranged on the side of the press belt opposite the hollow drum.
  • the invention also relates to a method for separating mixed substances of different flowability, comprising the steps: supplying mixed substances, separately, into a product feed wedge, which passes through a hollow drum with a perforated lateral surface M and a press belt, which attaches to the hollow drum from the outside wraps around a part of the circumference, rotating driving of the hollow drum and the press belt to pull in the separate part between the hollow drum and the press belt, with the easier-flowing components of the separate part being pushed by means of the press belt through the perforation of the lateral surface M into the inner cavity of the Hollow drum are pressed and discharged, while the more difficult-flowing components of the separately remain outside on the lateral surface M of the hollow drum and are released separately.
  • Such devices and methods are used in various industrial sectors, but especially in the food processing industry.
  • the substances to be separated i.e. the pressed material or separated material, which is also referred to as separate, are pressed from the outside by means of the endless press belt pressed against the perforated surface of the hollow drum.
  • the more easily flowing components of the material to be pressed are pressed through the perforation in the outer surface into the inner cavity of the rotating hollow drum and removed, while the more difficult-flowing components of the material to be pressed remain on the outer surface of the hollow drum and are discharged separately.
  • Substances, materials or products that differ from one another or their composition by their different flow behavior are accessible to such a separation.
  • the possibility and/or necessity of separating mixed substances with different fluidities exists, for example, when processing animal carcasses (e.g. separating the meat as a component that flows more easily from the skin, sinews, bones or bones, etc. as components that flow more slowly) or parts of which, when processing fruit and vegetables (e.g. separating the pulp as a component that flows more easily from the skin, stalks, seeds or stones, etc. as components that flow more slowly), when processing incorrectly packaged foods (e.g. separating butter or cheese). as components of packaging material that flow more easily than components that flow more slowly) or the like.
  • Concrete application examples are e.g. the extraction of leftover meat from animal carcasses or parts thereof, the pitting of dates or the unpacking of cheese slices wrapped in foil.
  • a product stream namely the separate
  • the substances with different flow properties are separated in that the more easily flowing substances, in the example of the processing of animal bodies or parts thereof the meat, are at least partially pressed into the hollow drum and removed from there.
  • the more difficult-flowing substances again using the example of the recycling of animal carcasses or parts thereof, bones, sinews, skin etc., are collected in the transport direction T of the product flow behind the hollow drum in the product output area and discharged.
  • the drivable press belt which can be driven directly or indirectly, for example via the support element, is pressed in the area of the wrap with a preselected or preset pressure against the outer surface M of the hollow drum.
  • a preselected or preset pressure against the outer surface M of the hollow drum.
  • the hollow drum and the press belt are driven in rotation.
  • Known devices for separating the separate have a common drive for the hollow drum and the press belt. As a result, a predetermined differential speed that cannot be changed during operation of the device is set. For the optimal yield of the separation process, a differential speed not equal to zero is required in the operating state of the device, i.e.
  • document DE 24 08 321 A1 discloses a device for separating mixed materials of different fluidity according to the preamble of claim 1.
  • Documents DE 37 09 329 A1 , DE 20 2010 002438 U1 and DE 20 2004 014365 U1 also disclose devices for separating intermixed materials of different fluidity.
  • the invention is therefore based on the object of creating a low-wear device with improved performance and product quality and of proposing a corresponding method.
  • Both drives are preferably designed as geared motors.
  • the geared motors ensure that the hollow drum and the press belt are driven reliably at synchronous speeds or at different speeds.
  • the device according to the invention is characterized in that the device comprises a control and/or regulation device by means of which the drives can be controlled separately such that the hollow drum can be driven at a speed V 1 and the press belt can be driven at a speed V 2 .
  • the control and/or regulation device enables the differential speed to be individually adjusted or changed depending on external boundary conditions, such as the operating state of the device and/or the quantity of the separated material and/or the size of the distance between the hollow drum and the press belt.
  • the differential speed V ⁇ between V 1 and V 2 can be controlled and/or regulated during operation of the device, it being possible for V ⁇ to be 0 or ⁇ 0.
  • V ⁇ the differential speed
  • the differential speed is chosen to be unequal to zero, for example the speed V 2 of the press belt is chosen to be greater than the speed V 1 of the hollow drum in order to separate the using the faster-running press belt to rub into the openings/holes, i.e. the perforations of the hollow drum, in order to achieve a higher yield.
  • the device according to the invention is characterized in that the device comprises a detection element which is designed and set up to detect the distance between the hollow drum and the press belt, the detection element being connected to the control and/or regulating device.
  • the detection element for example an optical sensor, it can be determined at any time during operation of the device whether and how much Seperate there is between the hollow drum and the press belt, in order to control and/or increase the speeds V 1 and V 2 individually rules.
  • the press belt is advantageously guided around a plurality of deflection elements, with one deflection element being designed and set up as a drive roller. In this way, the circulating driving of the press belt and in particular the individual driving of the press belt independently of the hollow drum is realized in a simple manner.
  • the support element is expediently a support chain which is guided around the drive roller and at least one additional deflection element.
  • a preferred development is characterized in that the support chain is designed and set up to be adjustable in order to set the pressure from the press belt on the hollow drum. This improves the wear resistance of the press belt by providing flat support for the press belt.
  • the object is also achieved by a method according to claim 6.
  • the differential speed V ⁇ between V 1 and V 2 is controlled and/or regulated as a function of the size of the distance between the hollow drum and the press belt in the area of the wrap.
  • a particularly preferred development is characterized in that the hollow drum and the press belt rotate at synchronous speed when there is a small distance between the hollow drum and the press belt, i.e. in particular when the device is idling without a separate space between the hollow drum and the press belt, while the hollow drum and the press belt rotate at a greater Distance between hollow drum and press belt, ie in particular in the operating state with separate between hollow drum and press belt, circulate at different speeds.
  • the method is particularly preferably carried out using a device according to one or more of Claims 1 to 5.
  • the device shown in the drawing is used to separate a separately, which consists mainly of meat, fat, cartilage, tendons, bones (remains), etc., in particular the meat and fat are considered to be more easily flowing components and the cartilage that Tendons and the bones (remnants) are regarded as more difficult-flowing components.
  • the device is equally applicable to separating other separates and combinations of separates.
  • the device 10 shown is designed and set up for separating mixed substances of different flowability and comprises a frame 11, a hollow drum 12 which can be driven in rotation and is mounted on the frame 11 and has a perforated lateral surface M, a hollow drum attached to it from the outside and wraps around part of the circumference of the hollow drum 12, an endless press belt 13 that can be pressed on and that can be driven to revolve, a product feed wedge 14 for feeding in a product flow, and a support device 15 for the press belt 13 with at least one support element 16, which is arranged on the side of the press belt 13 opposite the hollow drum 12.
  • the framework 11 can be a closed or at least partially closed housing, a profile construction or the like.
  • the housing is preferably closed on all sides.
  • Stripping elements can optionally be arranged in the input area, i.e. above the product intake wedge 14, and/or in the output area, i.e. in the transport direction T behind the hollow drum 12, which is also referred to as perforated drum.
  • These stripping elements can be rigid, ie at a fixed distance from the hollow drum 12, or variably controllable, ie the distance to the hollow drum 12 can be varied.
  • the hollow drum 12 or perforated drum has bores/openings that can be arranged in different patterns. The number and arrangement of the openings that form the pattern depend in particular on the fabrics to be processed.
  • this device 10 is characterized in that the device 10 comprises at least two separate drives 17 , 18 , one drive 17 being assigned to the hollow drum 12 and one drive 18 to the press belt 13 .
  • both drives 17, 18 are designed as geared motors.
  • other known drive means can also be used.
  • the device 10 comprises a control and/or regulating device 19, by means of which the drives 17, 18 can be controlled separately in such a way that the hollow drum 12 can be driven at a speed V 1 and the press belt 13 can be driven at a speed V 2 .
  • the control and/or regulation device 19 can be integrated into the device 10 or can be part of a higher-level arrangement.
  • the drives 17, 18 are connected to the control and/or regulating device 19 in a wireless or wired manner.
  • the differential speed V ⁇ between V 1 and V 2 can be controlled and/or regulated during operation of the device, it being possible for V ⁇ to be 0 or ⁇ 0. This means that the differential speed ⁇ V can also be controlled and/or regulated in particular during the processing of separately.
  • the differential speed ⁇ V can be controlled and/or regulated by individually setting the speeds V 1 and V 2 using or on the basis of different parameters.
  • the differential speed can be controlled and/or regulated with knowledge of the quantity or the volume of the separately supplied product.
  • the distance between the hollow drum 12 and the press belt 13 represents another preferred parameter for controlling and/or regulating the differential speed no separately between the hollow drum 12 and the press belt 13, so that a synchronous speed of the hollow drum 12 and the press belt 13 is preferred. If the distance is greater, that is to say if it is separate between the hollow drum 12 and the press belt 12, a speed difference ⁇ zero is preferred.
  • V 2 >V 1 is then particularly preferred, so that the separated product is rubbed through the openings in the lateral surface M of the hollow drum 12 . Whether a distance is classified as small (smaller) or large (larger) can be determined, for example, using empirical values and stored in a database, which in turn can be operatively connected to the control and/or regulating device 19 .
  • the device 10 comprises at least one detection element 20, which is designed and set up to detect the distance between the hollow drum 12 and the press belt 13, with the detection element 20 being connected to the control and/or regulating device 19.
  • the control and/or regulation device 19 can also include the database.
  • An optical sensor for example, can be used as the detection element 20 and sends information about the size of the distance to the control and/or regulating device 19 .
  • Other known detection means 20 are, however also usable.
  • a sensor can also be arranged in the area of the product intake wedge 14 in order to monitor whether and how much is fed in separately.
  • the press belt 13 is guided around a plurality of deflection elements 21, wherein a deflection element 21 is designed and configured as a drive roller 22.
  • the press belt 13 can be driven directly by the drive roller 22 .
  • the deflection element 21, which is placed behind the hollow drum 12 in the transport direction T, is preferably the drive roller 22 in order to pull the press belt 13 and thus the separately past the hollow drum 12.
  • the drive 18 is assigned to the drive roller 22 directly or via a gear.
  • the drive roller 22 (in the view according to figure 1 ) driven counterclockwise.
  • the drive 17 is also assigned to the hollow drum 12 directly or via a gear.
  • the hollow drum 12 (in the view according to figure 1 ) driven clockwise.
  • the drive roller 22 is preferably designed and set up at the same time as a pressure roller for the press belt 13 .
  • the drive roller is adjustable for this purpose.
  • the support element 16 is a support chain 23 which is guided around the drive roller 22 and at least one additional deflection element 24 .
  • the drive 18 drives the drive roller 22 and thus the support chain 23.
  • the press belt 13, which bears against the support chain 23 with a friction fit, is then driven indirectly.
  • the support element 16 serves to press the press belt 13 , which is preferably made of an elastic material, against the perforated hollow drum 12 .
  • rollers or support belts can also be provided.
  • the preferred support chain 23 forms a flat pressure zone in the area where the press belt 13 wraps around the hollow drum 12 .
  • the amount of pressure with which the press belt 13 is pressed against the hollow drum 12 or in the direction of the hollow drum is preferably variable.
  • the support chain 23 is preferably designed and set up to be adjustable by means of the pressure roller for setting the pressure from the press belt 13 on the hollow drum 12 .
  • the drive roller 22 is also designed as a pressure roller, the adjustment of the position of the pressure roller can lead to a change in the contact pressure.
  • the adjustment can be linear.
  • a pivoting mechanism is preferably provided. This can, for example, comprise a rocker or the like, on which the drive roller 22 is arranged. Other adjusting mechanisms for changing the pressure from the press belt 13 to the hollow drum 12 can also be used.
  • the detection element 20 for determining the size of the distance between the hollow drum 12 and the press belt 13 can also be arranged in the area of the rocker, e.g. to draw conclusions about the distance via the change in angle of the position of the rocker or to determine it.
  • the process is used to separate mixed materials with different fluidities.
  • the materials mixed together that form the separate are fed to a product feed wedge 14 .
  • the product intake wedge 14 is formed by a hollow drum 12 with a perforated lateral surface M and a press belt 13 which rests against the hollow drum 12 from the outside and wraps around part of the circumference.
  • the hollow drum 12 and the press belt 13 are driven to revolve (in the area of wrapping, the hollow drum 12 and the press belt have the same transport direction, ie they run in the same direction with respect to the running direction). As a result, the separate is pulled between the hollow drum 12 and the press belt 13 .
  • the press belt 13 deviates and forms a gap in which the separate is located. Due to the pressure of the press belt 13, the easier-flowing components of the separate are pressed by the press belt 13 through the perforation of the lateral surface M into the inner cavity of the hollow drum 12 and removed, while the more difficult-flowing components of the separate remain on the outside of the lateral surface M of the hollow drum 12 and given separately.
  • the method is characterized according to the invention in that the drive speeds V 1 and V 2 of the hollow drum 12 on the one hand and the press belt 13 on the other hand are controlled separately and independently of one another and/or be managed.
  • the hollow drum 12 and the press belt 13 are each driven in rotation with their own drive 17, 18.
  • the differential speed V ⁇ between V 1 and V 2 is controlled and/or regulated as a function of the size of the distance between the hollow drum 12 and the press belt 13 in the area of the wrap. In other words, the size of the distance between the hollow drum 12 and the press belt 13 in the area of the press zone is determined. If the distance between hollow drum 12 and press belt 13 is small, i.e.
  • the method is particularly preferably carried out with a device 10 according to one or more of claims 1 to 5.
  • This device 10 was described in detail above, which is why, to avoid repetition, reference is made to the description of the device 10 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)

Claims (8)

  1. Dispositif (10) pour séparer des substances mélangées entre elles ayant des fluidités différentes, comprenant un bâti (11), un tambour creux (12) pouvant être entraîné en rotation et monté sur le bâti (11) avec une surface d'enveloppe perforée M, une bande de pressage sans fin (13) pouvant être pressée de l'extérieur contre celle-ci en s'enroulant autour d'une partie de la périphérie du tambour creux (12), qui peut être entraînée en rotation, un coin d'introduction de produit (14) pour amener un courant de produit, ainsi qu'un dispositif de support (15) pour la bande de pressage (13) avec au moins un élément de support (16) qui est agencé sur le côté de la bande de pressage (13) opposé au tambour creux (12), le dispositif (10) comprenant au moins deux entraînements séparés (17, 18), dont un entraînement (17) est associé au tambour creux (12) et un entraînement (18) à la bande de pressage (13), caractérisé en ce que le dispositif (10) comprend un appareil de commande et/ou de réglage (19) au moyen duquel les entraînements (17, 18) peuvent être commandés séparément, de telle sorte que le tambour creux (12) peut être entraîné à une vitesse V1 et la bande de pressage (13) à une vitesse V2, la vitesse différentielle VΔ entre V1 et V2 pouvant être commandée et/ou réglée pendant le fonctionnement du dispositif, avec VΔ = 0 ou ≠ 0, et que le dispositif (10) comprend un élément de détection (20) qui est configuré et adapté pour détecter la distance entre le tambour creux (12) et la bande de pressage (13), l'élément de détection (20) étant raccordé à l'appareil de commande et/ou de réglage (19).
  2. Dispositif (10) selon la revendication 1, caractérisé en ce que les deux entraînements (17, 18) sont configurés sous forme de motoréducteurs.
  3. Dispositif (10) selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que la bande de pressage (13) est guidée autour de plusieurs éléments de renvoi (21), un élément de renvoi (21) étant configuré et adapté sous forme de rouleau d'entraînement (22).
  4. Dispositif (10) selon une ou plusieurs des revendications 1 à 3, caractérisé en ce que l'élément de support (16) est une chaîne de support (23) qui est guidée autour du rouleau d'entraînement (22) et d'au moins un élément de renvoi supplémentaire (23).
  5. Dispositif (10) selon la revendication 4, caractérisé en ce que la chaîne de support (23) est configurée et adaptée pour pouvoir être réglée pour ajuster la pression de la bande de pressage (13) sur le tambour creux (12).
  6. Procédé de séparation de substances mélangées entre elles ayant des fluidités différentes, comprenant les étapes suivantes :
    - l'amenée de substances mélangées entre elles, le produit à séparer, dans un coin d'introduction de produit (14) qui est formé par un tambour creux (12) avec une surface d'enveloppe perforée M et une bande de pressage (13) qui s'applique de l'extérieur contre le tambour creux (12) en s'enroulant autour d'une partie de la périphérie,
    - l'entraînement en rotation du tambour creux (12) et de la bande de pressage (13) pour insérer le produit à séparer entre le tambour creux (12) et la bande de pressage (13),
    - les constituants plus fluides du produit à séparer étant pressés au moyen de la bande de pressage (13) à travers la perforation de la surface d'enveloppe M dans la cavité intérieure du tambour creux (12) et déchargés, tandis que les constituants moins fluides du produit à séparer restent à l'extérieur sur la surface d'enveloppe M du tambour creux (12) et sont délivrés séparément,
    les vitesses d'entraînement V1 et V2 du tambour creux (12) d'une part et de la bande de pressage (13) d'autre part étant commandées et/ou réglées séparément et indépendamment l'une de l'autre,
    caractérisé en ce que la vitesse différentielle VΔ entre V1 et V2 est commandée et/ou réglée en fonction de la grandeur de la distance entre le tambour creux (12) et la bande de pressage (13) dans la zone de l'enroulement.
  7. Procédé selon la revendication 6, caractérisé en ce que le tambour creux (12) et la bande de pressage (13) tournent à une vitesse synchrone lorsqu'une distance entre le tambour creux (12) et la bande de pressage (13) est faible, c'est-à-dire en particulier lors du fonctionnement à vide du dispositif (10) sans produit à séparer entre le tambour creux (12) et la bande de pressage (13), tandis que le tambour creux (12) et la bande de pressage (13) tournent à des vitesses différentes lorsqu'une distance entre le tambour creux (12) et la bande de pressage (13) est plus grande, c'est-à-dire en particulier dans l'état de fonctionnement avec un produit à séparer entre le tambour creux (12) et la bande de pressage (13).
  8. Procédé selon la revendication 6 ou 7, caractérisé en ce qu'il est réalisé avec un dispositif (10) selon une ou plusieurs des revendications 1 à 5.
EP19175061.1A 2018-05-18 2019-05-17 Dispositif et procédé pour séparer des substances mélangées entre elles ayant des fluidités différentes Active EP3569397B8 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018112040.0A DE102018112040A1 (de) 2018-05-18 2018-05-18 Vorrichtung und Verfahren zum Trennen von miteinander vermischten Stoffen unterschiedlicher Fließfähigkeit

Publications (3)

Publication Number Publication Date
EP3569397A1 EP3569397A1 (fr) 2019-11-20
EP3569397B1 true EP3569397B1 (fr) 2023-05-17
EP3569397B8 EP3569397B8 (fr) 2023-05-31

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DE (1) DE102018112040A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11794434B2 (en) 2019-11-08 2023-10-24 Provisur Technologies, Inc. Separating machine
US11832623B2 (en) 2019-11-08 2023-12-05 Provisur Technologies, Inc. Separating machine with feeding wheel

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT9451B (de) 1901-03-09 1902-10-25 Alfred Martin Ankündigungstafel und Verfahren zu deren Herstellung.
DE2408321A1 (de) * 1974-02-21 1975-09-04 Reinhard Von Dip Nordenskjoeld Kontinuierliche presse
NL8003667A (nl) * 1980-06-25 1982-01-18 Pannevis Bv Machf Werkwijze en inrichting voor het verwijderen van vloei- stof uit een mengsel van vloeistof en vaste stof.
DE3709329A1 (de) * 1987-03-21 1988-09-29 Dorr Oliver Inc Verfahren zum entwaessern von filterkuchen und vorrichtung zur durchfuehrung des verfahrens
DE202004014365U1 (de) * 2004-09-10 2004-11-18 Nordischer Maschinenbau Rud. Baader Gmbh + Co Kg Stützvorrichtung
JP4625135B1 (ja) * 2009-11-10 2011-02-02 イチカワ株式会社 抄紙用プレスフェルトおよび抄紙方法
DE202010002438U1 (de) * 2010-02-17 2010-07-15 Grönninger, Johann Wolfgang Beaufschlagungseinrichtung für und/oder mit einer Pressvorrichtung

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DE102018112040A1 (de) 2019-11-21
EP3569397A1 (fr) 2019-11-20
EP3569397B8 (fr) 2023-05-31

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