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EP4448155A1 - Dispositif de mélange à palettes et son procédé de nettoyage - Google Patents

Dispositif de mélange à palettes et son procédé de nettoyage

Info

Publication number
EP4448155A1
EP4448155A1 EP24705694.8A EP24705694A EP4448155A1 EP 4448155 A1 EP4448155 A1 EP 4448155A1 EP 24705694 A EP24705694 A EP 24705694A EP 4448155 A1 EP4448155 A1 EP 4448155A1
Authority
EP
European Patent Office
Prior art keywords
unit
mixing
dwell
shaft
mixing device
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.)
Granted
Application number
EP24705694.8A
Other languages
German (de)
English (en)
Other versions
EP4448155B1 (fr
Inventor
Marco Otero
Frieder Sorbas KLEIN
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.)
Buehler AG
Original Assignee
Buehler AG
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 Buehler AG filed Critical Buehler AG
Publication of EP4448155A1 publication Critical patent/EP4448155A1/fr
Application granted granted Critical
Publication of EP4448155B1 publication Critical patent/EP4448155B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/70Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80Mixing plants; Combinations of mixers
    • B01F33/82Combinations of dissimilar mixers
    • B01F33/821Combinations of dissimilar mixers with consecutive receptacles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/10Maintenance of mixers
    • B01F35/145Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
    • B01F35/1452Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids
    • B01F35/1453Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids by means of jets of fluid, e.g. air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/06Mixing of food ingredients

Definitions

  • the present invention relates to a paddle mixing device, in particular a preconditioner, for an extruder for producing a food or animal feed.
  • Extruders are machines in which materials such as polymers, elastomers or proteinaceous mixtures can be treated under desired pressure and temperature conditions for the production of foods including cereals, snacks, pet food and alternative foods.
  • a typical extruder comprises at least one extruder screw shaft, each of the extruder screw shafts having a set of extruder screw elements mounted on a support shaft.
  • the extruder screw shafts are housed in a cylinder called a barrel.
  • An extruder typically comprises several barrels connected end to end. Several barrels are required to carry out the various processes to be performed in the extruder such as conveying, kneading, mixing, degassing, dosing and the like.
  • Preconditioners are often used in combination with extruders or other equipment and are used to prepare and mix food and feed. For example, one or more flours or a concentrate/isolate are treated with water/steam and/or other additives for subsequent extrusion. The materials to be treated are first mixed with water in the preconditioner and then treated with steam before they enter the extruder.
  • a suitable preconditioner is known, for example, from DE 197 43 470 Al.
  • This preconditioner comprises a Mixing unit and a dwell unit, with the mixing unit being arranged above the dwell unit.
  • the mixing unit is arranged above the dwell unit.
  • at least one shaft with paddles arranged on it is provided to convey material through the corresponding unit.
  • a screw conveyor may be provided to convey the material from the material outlet of the residence unit to the material inlet of the extruder.
  • the mixing unit and the dwell unit are equipped with doors on both sides that can be folded up, thus making the interior of both units accessible for cleaning purposes. This is not yet optimal.
  • the present invention relates to a paddle mixing device, in particular a preconditioner, comprising a cylindrical mixing unit with a mixing unit arranged shaft , the shaft having paddles and the mixing unit having a base , characterized in that closable openings are provided in the base for introducing a cleaning device into the mixing unit .
  • the present invention is based on the idea of providing openings in the base area of a cylindrical unit of a paddle mixing device through which a cleaning device can be introduced into the interior of the unit in order to clean it.
  • the paddle mixing device comprises a cylindrical mixing unit.
  • Such mixing units are known and comprise a material inlet through which material can be introduced into the mixing unit.
  • the material inlet is usually arranged in such a way that material can be introduced into the mixing unit with the aid of gravity.
  • a shaft is provided in the mixing unit which extends over the entire length of the mixing unit and on which paddles are arranged. With the aid of a drive such as an electric motor, the shaft can be set in a rotary motion and convey material located in the mixing unit through the mixing unit.
  • the mixing unit further comprises one or more additional inlets for introducing a liquid such as water and/or a gas such as water vapor into the mixing unit.
  • the cylindrical mixing unit further has a base surface which faces away from the side on which the drive is arranged.
  • closable openings are provided for the introduction of a cleaning device into the mixing unit. It would also be conceivable to insert a cleaning device into the base surface. on which the drive is arranged, to provide closable openings for the introduction of a cleaning device into the mixing unit.
  • This is preferably a round opening with a diameter which allows the introduction of a conventional cleaning device such as a spray lance (for example from Kärcher).
  • a conventional cleaning device such as a spray lance (for example from Kärcher).
  • the diameter of the opening is preferably in the range of 10-80 mm, preferably in the range of 10-45 mm, more preferably 15 to 30 mm.
  • the diameter of the opening is preferably selected in relation to the diameter of a spray lance used for cleaning such that the ratio r (d (opening) / d (spray lance) is in the range from 4 to >1, preferably 3 to >1, more preferably 2 to >1, and particularly preferably 1.5 to >1.
  • a lance diameter of 16 mm a bore diameter of 17 mm could be selected. In this way, too much cleaning fluid is prevented from escaping from the opening during a cleaning process.
  • this opening is preferably provided with a fastening device such as a thread in order to be able to close the opening tightly, for example with a closed screw nut.
  • the opening should be closed during operation of the mixing unit.
  • the opening can preferably be additionally closed with a plug, optionally in combination with an O-ring seal.
  • the plug and O-ring seal are preferably made of an elastic material such as rubber.
  • the elements for closing the opening(s) can be installed and removed without tools, for example by using blind plugs.
  • the base area has 2-8, preferably 2-6, more preferably 3-6 and particularly preferably 4 closable openings for introducing a cleaning device.
  • the interior of the mixing unit is divided into four segments, each of which takes up approximately a quarter of the cross-section of the cylindrical mixing unit.
  • the cleaning device is to be introduced one after the other into four openings which are assigned to the corresponding segments, with one opening opening into each of these segments.
  • the base surface is covered with a cover.
  • the closable openings arranged in the base surface are concealed from the outside and cannot, for example, be opened accidentally during operation.
  • the opening(s) have a length such that even if the opening in question is not closed, it is not possible to reach through the opening to a shaft rotating during operation (ISO 13857). Monitoring of open openings is then not necessary.
  • a cylindrical dwelling unit with a shaft arranged in the dwelling unit is additionally provided with the mixing unit, the shaft having paddles and the dwelling unit having a base area, the dwelling unit preferably being arranged below the mixing unit, closable openings being provided in the base area of the cylindrical dwelling unit for introducing a cleaning device into the dwelling unit.
  • Retention devices are known from conventional preconditioners, as described above.
  • a shaft is provided which extends the entire length of the retention unit and on which paddles are arranged.
  • a drive such as an electric motor, the shaft can be set in a rotary movement and convey material located in the retention unit through the retention unit.
  • the material is transferred to a separate holding unit after leaving the mixing unit.
  • the mixing unit and holding unit are preferably arranged one above the other, with the mixing unit above the holding unit, in order to transfer the material from the mixing unit to the holding unit with the aid of gravity.
  • the mixing unit and the dwell unit are particularly preferably connected to one another by a closed line, whereby this line is preferably arranged at the end of the mixing unit which is furthest away from the material inlet.
  • this line is preferably arranged at the end of the mixing unit which is furthest away from the material inlet.
  • the dwell unit also has a material outlet. This is preferably arranged on the underside of the dwell unit so that the material can be transferred by gravity from the dwell unit into a screw conveyor unit or directly into the extruder.
  • the dwell unit and the screw conveyor unit or extruder are particularly preferably connected to one another by a closed line, with this line preferably being arranged at the end of the dwell unit which is furthest away from the connecting line with the mixing unit.
  • this line preferably being arranged at the end of the dwell unit which is furthest away from the connecting line with the mixing unit.
  • a cylindrical screw conveyor unit connected to the dwell unit is additionally provided with a shaft arranged in the screw conveyor unit, the shaft having paddles and the screw conveyor unit having a base area, the screw conveyor unit preferably being arranged below the dwell unit, the base area of the cylindrical screw conveyor unit closable openings for the introduction of a cleaning device into the screw conveyor unit.
  • Conveyor screw units are known from conventional extruders with preconditioners.
  • a shaft is provided which extends the entire length of the conveyor screw unit and on which paddles are arranged.
  • a drive such as an electric motor, the shaft can be set in a rotary motion and convey material located in the conveyor screw unit through the conveyor screw unit.
  • the screw conveyor unit also has a material outlet. This is preferably arranged on the underside of the screw conveyor unit so that the material can be transferred from the screw conveyor unit into the extruder with the aid of gravity.
  • the conveyor screw unit and the extruder are particularly preferably connected to one another by a closed line, wherein this line is preferably arranged at the end of the conveyor screw unit which is furthest away from the connecting line with the dwell unit.
  • a bypass is preferably arranged on the screw conveyor unit, which bypass is connected to a flange plate which is coaxial to the shaft provided in the screw conveyor unit, can be opened and closed.
  • a bypass is well known.
  • a bypass is used to ensure that product is not initially fed into the product stream when the device is started up, but rather is led out of the device via a bypass outlet. In this way, material that is formed when the device is started up but does not yet meet the product specifications can be removed from the device in order to avoid contamination.
  • bypass according to the present invention is arranged on the screw conveyor unit, even in the event of a malfunction of the subsequent extruder, the preconditioning of the product can still be carried out; the preconditioned product is then fed into a container through the bypass outlet.
  • bypass outlet In a conventional bypass, the bypass outlet is closed with a slide plate, which can preferably be moved back and forth horizontally, pneumatically.
  • the slide and the bypass outlet are usually arranged below the material inlet.
  • dead spaces are formed in which material can remain in large quantities. This is undesirable for reasons of product safety. Cleaning and sealing this bypass is also difficult.
  • the bypass is opened and closed by a flange plate arranged coaxially to the shaft provided in the screw conveyor unit.
  • the opening and closing of the Bypasses by moving a flange plate from a first position in the screw conveyor unit to a second position in the screw conveyor unit.
  • the flange plate In the first position, the flange plate is located between the material inlet and the bypass outlet and separates the interior of the screw conveyor unit into two separate sections, with one section containing the bypass outlet and the other section containing the material inlet and the rest of the interior of the screw conveyor unit. Product introduced through the material inlet cannot enter the bypass outlet because the flange plate separates the interior of the screw conveyor unit into two separate sections that are not fluidly connected to each other.
  • the flange plate separates the interior of the screw conveyor unit into two other separate sections, one section at least partially containing the bypass outlet and the material inlet. Product introduced through the material inlet can now enter the bypass outlet.
  • the flange plate can be moved from the first to the second position by conventional moving means.
  • the flange plate is moved by one or more pneumatic cylinders.
  • the flange plate can be provided with seals such as O-rings made of an elastic material such as rubber.
  • seals such as O-rings made of an elastic material such as rubber.
  • the bypass with flange plate according to the invention can generally be used for any paddle mixing device, in particular any preconditioner or any extruder, and is not restricted to the present device.
  • the paddle mixing device according to the invention in particular preconditioner, can be arranged on any conventional extruder.
  • the present invention thus also relates to an extruder comprising a paddle mixing device according to the invention as described above, in particular a preconditioner.
  • Extruders are well known. Reference is made, for example, to WO 2012/158023 A1 or to the extruders, in particular twin-screw extruders, from Bühler. Such extruders preferably have an L/D ratio (total length to screw diameter) in the range from 12 to 60, preferably 20 to 40. According to the invention, the extruders are preferably operated at 100 to 1000 rpm, particularly preferably at 200 to 600 rpm and very particularly preferably at 250 to 350 rpm.
  • the extruder according to the invention comprises a motor with a gear to drive the extruder screws. For this purpose, the support shaft of each extruder screw present is operatively connected to the gear. This can be done in a conventionally known manner.
  • the extruder according to the invention further comprises an extruder housing with a process zone located in the housing and an inlet and outlet.
  • the extruder housing preferably comprises 2 to 20 barrels, more preferably 2 to 15 barrels.
  • the barrels are preferably connected to one another at the end and together form the extruder housing.
  • the extruder housing (or each of the barrels forming the extruder housing) has a through hole.
  • the through hole runs axially through the extruder housing over its entire length.
  • the process zone of the extruder is located within this through hole.
  • the housing of the extruder is preferably temperature-controlled.
  • the material to be extruded is kneaded under pressure (usually 1 to 400 bar, preferably 1 to 200 bar) to form a homogeneous mixture. This generally involves an energy consumption of 10 to 150 Wh/kg, preferably 10 to 120 Wh/kg, particularly preferably 15 to 30 Wh/kg.
  • the inlet of the extruder is used to introduce raw materials into a first section of the extruder. This inlet opens into the process zone.
  • the inlet is usually and preferably located on the extruder housing so that material can enter the extruder housing, or more precisely into the process zone of the extruder, under the influence of gravity.
  • the inlet of the extruder is connected to the preconditioner described above, either to the material outlet of the residence unit or to the material outlet of the screw conveyor unit (if present).
  • the material to be extruded can be fed directly into the process zone through the inlet.
  • a metering device above the inlet, with which the material to be extruded is metered and optionally mixed before it is fed through the inlet.
  • the material to be extruded can preferably be pretreated in advance in a conventional preconditioner and fed from there to the inlet, for example by means of a conventional conveyor screw.
  • the extruder typically also has a water, an oil and possibly a steam supply line.
  • a cooling tool such as a cooling nozzle can be provided at the outlet of the extruder.
  • Cooling tools for extruders are well known.
  • a known distributor unit can preferably be arranged between the extruder and the cooling tool.
  • the present invention further relates to a method for cleaning a paddle mixing device according to the above description, comprising the steps:
  • the method can be carried out with any closable opening (and is preferably carried out with any opening) which is arranged on the unit.
  • the mixing unit, dwell unit and conveyor screw unit of the paddle mixing device according to the invention can be cleaned simultaneously or sequentially, in particular through all the openings arranged thereon.
  • a shaft in the unit to be cleaned must be moved into a position that does not impede the introduction of the cleaning device into the unit to be cleaned. If necessary, the shaft can be moved into the desired position by means of the unit's motor or manually, for example using a tool such as a screwdriver that can be inserted into a hole in the shaft.
  • a liquid which is under a pressure exceeding normal pressure is preferably fed through the cleaning device into the unit to be cleaned.
  • this is pressurized water.
  • a closable opening is opened on one of the units (mixing unit, dwell unit, conveyor screw unit).
  • the opening is provided with a closed Screw nut (nut) or knurled nut, which is loosened from a thread to open the opening (manually or with the help of known tools). If there is a plug in the opening, this must also be removed.
  • the cleaning device for example a commercially available cleaning lance, is introduced into the opening.
  • the cleaning device has a tube whose length corresponds to the axial extent of the unit to be cleaned. With such a cleaning device, the corresponding unit can be cleaned over its complete axial extent.
  • the bypass is preferably opened, which is preferably arranged on the conveyor screw unit as described above.
  • the cleaning liquid can then be led out of the paddle mixing device through the bypass outlet.
  • Fig. 1 is a schematic view of an embodiment of an extruder according to the invention with a paddle mixing device.
  • Fig. 2 is a schematic view of an embodiment of a unit according to the invention with openings in the base area.
  • Fig. 3 is a schematic view of an embodiment of a unit according to the invention with a closed opening
  • Fig. 4a is a schematic view of an embodiment of a bypass according to the invention in the closed state.
  • Fig. 4b is a schematic view of an embodiment of a bypass according to the invention in the open state.
  • Fig. 1 shows a schematic view of an embodiment of an extruder 7 according to the invention with a paddle mixing device 1.
  • the product flow through the device is marked with black arrows.
  • the paddle mixing device 1 comprises a cylindrical mixing unit 2 with a material inlet arranged on the mixing unit 2.
  • the base area 2b (Fig. 2) of the mixing unit 2 is covered with a cover 2a.
  • a shaft (not shown) with paddles is arranged in the mixing unit 2, which can be set in a rotary movement by means of a drive (not shown).
  • a cylindrical dwell unit 3 is arranged below the mixing unit 2 and is connected to the mixing unit 2 via a line. This line is arranged at the end of the mixing unit 2 remote from the material inlet, so that material flows through the entire length of the mixing unit 2 before it passes through this line into the dwell unit 3 with the aid of gravity.
  • the base area 3b (Fig. 2) of the dwell unit 3 is covered with a cover 3a.
  • a shaft (not shown) with paddles is arranged, which can be set in a rotary movement by means of a drive (not shown).
  • a cylindrical screw conveyor unit 4 is arranged below the dwell unit 3 and is connected to the dwell unit 3 via a material outlet 5.
  • This material outlet 5 is arranged at the end of the dwell unit 3 which is remote from the line from the mixing unit 2, so that material flows through the entire length of the dwell unit 3 before it passes through this line into the screw conveyor unit 4 with the aid of gravity.
  • the base area 4b (Fig. 2) of the screw conveyor unit 4 is covered with a cover 4a.
  • a shaft 4f (shown in Fig. 4a and 4b) with paddles 4g is arranged in the screw conveyor unit 4 and can be set in a rotary movement by means of a drive 11 (shown in Fig. 4a and 4b).
  • a bypass 6 is arranged, which comprises a bypass outlet 6a.
  • a preferred embodiment of this bypass 6 is described below with reference to Figs. 4a and 4b.
  • the screw conveyor unit 4 is fluidically connected to an inlet of the extruder 7, so that material from the screw conveyor unit 4 can reach the process zone 9 of the extruder 7.
  • a screw conveyor 9a is arranged, which can be set in a rotary motion with the aid of the drive 8 of the extruder 7 in order to convey material through the process zone 9. Further details of the extruder 7 are known and are not shown in Fig. 1.
  • Fig. 2 shows a schematic view of an embodiment of a unit 2, 3, 4 according to the invention with openings 2c, 3c, 4c in the base area 2b, 3b, 4b.
  • the embodiments apply equally to a mixing unit 2, a dwell unit 3 and a conveyor screw unit 4.
  • each of the openings 2c, 3c, 4c is arranged in the base area 2b, 3b, 4b (i.e. the bottom surface of the cylindrical unit 2, 3, 4) such that each of the openings 2c, 3c, 4c provides access to an area of the unit 2, 3, 4.
  • This area corresponds to a quarter of the cross-sectional area of the unit 2, 3, 4. If a cleaning device (not shown) is introduced successively into each of the openings 2c, 3c, 4c, the unit 2, 3, 4 can be completely cleaned.
  • the openings 2c, 3c, 4c protrude from the base surface 2b, 3b, 4b and have a fastening element such as a thread in this protruding section.
  • a screw nut 2d, 3d, 4d can be applied to this thread, as described in Fig. 3.
  • Fig. 3 shows a schematic view of an embodiment of a unit 2, 3, 4 according to the invention with a closed opening 2c, 3c, 4c.
  • the embodiments apply equally to a mixing unit 2, a dwell unit 3 and a conveyor screw unit 4 and all openings 2c, 3c, 4c arranged thereon.
  • an opening 2c, 3c, 4c arranged on the base surface 2b, 3b, 4b of the unit 2, 3, 4 has a thread in an area protruding from the base surface 2b, 3b, 4b, to which a screw nut 2d, 3d, 4d is fastened.
  • the opening 2c, 3c, 4c there is also a plug 2e, 3e, 4e to close the opening 2c, 3c, 4c.
  • the plug 2e, 3e, 4e can be provided with an O-ring seal (not shown).
  • Fig. 4a a schematic view of an embodiment of a bypass 6 according to the invention is shown in the closed state.
  • a shaft 4f with paddles 4g located thereon is rotatably arranged in the screw conveyor unit 4.
  • the shaft 4f with paddles 4g shown in Fig. 4a corresponds analogously to the shafts with paddles arranged in the mixing unit 2 and the dwell unit 3.
  • the shaft 4 f can be set in a rotary motion by means of a drive 11 .
  • a bypass 6 is arranged between the drive 11 and the material outlet 5.
  • the bypass 6 comprises a bypass outlet 6a through which material can be discharged from the conveyor screw unit 4 if required without reaching the extruder 7.
  • the bypass 6 further comprises a flange plate 10 which is arranged coaxially to the shaft 4f in the screw conveyor unit 4 and can be moved to the left and back again according to the dashed double arrow with the aid of pneumatic cylinders (two in Fig . 4a and 4b ) .
  • the flange plate 10 is in a position in which it blocks access to the bypass outlet 6a.
  • the shaft 4f is driven forwards in the direction (shown by the dotted arrow) towards the extruder 7. Material entering the screw conveyor unit 4 through the material outlet 5 is conveyed towards the extruder 7 in accordance with the thick arrows.
  • the flange plate 10 is in a position in which it allows access to the bypass outlet 6a.
  • the flange plate 10 has been moved to the left compared to Fig. 4a by means of the pneumatic cylinders 12.
  • the shaft 4f is driven backwards in the direction (shown by the dotted arrow) towards the bypass outlet 6a. Material entering the screw conveyor unit 4 through the material outlet 5 is conveyed to the bypass outlet 6a according to the thick arrows.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

L'invention concerne un dispositif de mélange à palettes (1), en particulier un dispositif de pré-conditionnement, comprenant une unité de mélange cylindrique (2) avec un arbre agencé dans l'unité de mélange, l'arbre comportant des palettes et l'unité de mélange présentant une surface de base (2b), caractérisé en ce que des ouvertures pouvant être fermées (2c) pour introduire un appareil de nettoyage dans l'unité de mélange (2) sont disposées dans la surface de base (2b). La présente invention concerne également une extrudeuse (7) comprenant un tel dispositif de mélange à palettes (1), et un procédé de nettoyage d'un tel dispositif de mélange à palettes (1).
EP24705694.8A 2023-03-03 2024-02-21 Dispositif de mélange de palettes et son procédé de nettoyage Active EP4448155B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP23159837 2023-03-03
PCT/EP2024/054441 WO2024184075A1 (fr) 2023-03-03 2024-02-21 Dispositif de mélange à palettes et son procédé de nettoyage

Publications (2)

Publication Number Publication Date
EP4448155A1 true EP4448155A1 (fr) 2024-10-23
EP4448155B1 EP4448155B1 (fr) 2025-09-10

Family

ID=85461726

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24705694.8A Active EP4448155B1 (fr) 2023-03-03 2024-02-21 Dispositif de mélange de palettes et son procédé de nettoyage

Country Status (4)

Country Link
EP (1) EP4448155B1 (fr)
CN (1) CN120712136A (fr)
DK (1) DK4448155T3 (fr)
WO (1) WO2024184075A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19743470A1 (de) 1997-10-01 1999-04-08 Buehler Ag Verfahren und Vorrichtung zum Vorkonditionieren des in einem Extruder zu verarbeitenden Produktes und dgl.
NL2000633C2 (nl) * 2007-05-07 2008-11-10 Pelleting Technology Nederland Menginrichting.
US10716319B2 (en) 2011-05-13 2020-07-21 Ojah B.V. Method of making structured protein compositions
DE102018129148A1 (de) * 2018-11-20 2020-05-20 Gericke Ag Dosier- und Mischsystem

Also Published As

Publication number Publication date
CN120712136A (zh) 2025-09-26
WO2024184075A1 (fr) 2024-09-12
EP4448155B1 (fr) 2025-09-10
DK4448155T3 (da) 2025-12-08

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