EP2493599A1 - Dispositif et procédé de traitement d'un produit en vrac - Google Patents

Dispositif et procédé de traitement d'un produit en vrac

Info

Publication number
EP2493599A1
EP2493599A1 EP10773280A EP10773280A EP2493599A1 EP 2493599 A1 EP2493599 A1 EP 2493599A1 EP 10773280 A EP10773280 A EP 10773280A EP 10773280 A EP10773280 A EP 10773280A EP 2493599 A1 EP2493599 A1 EP 2493599A1
Authority
EP
European Patent Office
Prior art keywords
bulk material
ejection
outlet opening
extruder
mixing
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Withdrawn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
EP10773280A
Other languages
German (de)
English (en)
Inventor
Frieder Klein
Kasim Palaz
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
Priority to EP10773280A priority Critical patent/EP2493599A1/fr
Publication of EP2493599A1 publication Critical patent/EP2493599A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/44—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with paddles or arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/75—Discharge mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/582—Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/501—Extruder feed section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/90—Heating or cooling systems
    • B01F2035/99—Heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0723—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis oblique with respect to the rotating axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0724—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis directly mounted on the rotating axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/834—Mixing in several steps, e.g. successive steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/286—Raw material dosing

Definitions

  • the present invention relates to the field of treatment, in particular the mixture, of a bulk material with the features of the preambles of the independent claims.
  • thermoplastic synthetic plastic material is known, wherein the recycled plastic material is fed into a screw extruder ⁇ .
  • This prior art device has a receptacle with a dre ⁇ to the container axis rotating ⁇ crushing and mixing tool. This is installed near the tank floor.
  • the receptacle has an opening in its jacket through which a screw extruder is in flow communication with the receptacle. The opening opens approximately tangentially into the jacket ofcountbenzol ⁇ ters.
  • a screw of the screw extruder is guided at least close to the inner wall of the receptacle.
  • the shredding ⁇ rungs- and mixing tool is axially spaced from the opening.
  • this known device for comminuting and mixing a plastic material has the disadvantage that the mass ⁇ throughput from the receptacle in the extruder often does not meet today's requirements, if a mere mixture at high throughput is desired. Furthermore, the structural design of the feeding of the screw of the screw extruder close to the inner wall of the receptacle is complex. So ⁇ with this solution is very expensive.
  • material throughput means sufficient treatment, in particular mixture, of material, for example given in kilograms per hour or tons per hour.
  • the inventive device comprises a substantially cylindrical ⁇ rich in a Mischbe housing.
  • This contains at least one outlet channel with an outlet opening in the mixing area and at least one rotatably mounted mixer shaft with at least one ejection element with an effective area.
  • the ejection member is guided past under normal conditions of use at the outlet opening, wherein a projection of the active surface per To ⁇ rotation of the ejection member covers parallel to the outlet channel axis at the outlet opening the smallest exit channel cross-section at least once at least 45%.
  • the projection of the active surface covers parallel to the exit channel ⁇ axis of the outlet opening the smallest exit channel cross-section once per revolution at least 50%, particularly before ⁇ Trains t from at least 55% and most preferably at least 60%.
  • a longitudinal axis ⁇ a symmetric channel, for example with nikförmi ⁇ gem, elliptical or rectangular cross-section, understood perpendicular to the cross-sectional area.
  • the outlet channel axis is understood to mean such a longitudinal axis, which lies substantially parallel to the mean flow direction of a bulk material flowing in the channel.
  • the outlet channel with a continuous course of the In ⁇ nenwand formed.
  • an inner wall of the off ⁇ passage channel has no discontinuities such as ⁇ before jumping or recessed stages or in particular also not cover the inlet opening.
  • Such a continuous course of the outlet channel has the advantage that the Ent ⁇ stand of zones in the outlet channel is substantially avoided, in which bulk material is not transported reliably and thus bulk material can be deposited in the outlet channel.
  • This has the further advantage that the partially necessary according to the prior art screw conveyor or Extru ⁇ Dersch plug in the outlet channel for transport of the bulk of the outlet channel can be omitted ent ⁇ long, which makes the device less expensive.
  • pourable Pro ⁇ -products such as grain flours, whole grains, cereal fiber, vegetable or animal proteins, pure starch flour and bran can be treated. It is but also, for example, possible to treat plastic granules in the device.
  • an off ⁇ throw elements understood the face of the ejection element, which under normal conditions of movement of the ejection member in the apparatus of the major portion, that is generated at least 90%, of the momentum transfer to the bulk material by the ejection member.
  • a holding ⁇ tion of the ejection element is not part of the active ⁇ area, for example.
  • a mixing area in the sense of the application is understood to be the area of the device in which the mixer shaft has ejection elements and / or mixing elements.
  • the housing is substantially cylindrical.
  • the device may for example also have a rectangular cross section or bends for guiding the bulk material in the mixing area.
  • the advantage of the device according to the invention is that a bulk material located in the device can be transported out of the device through the outlet opening with a high throughput.
  • a momentum transfer to the bulk material in particular also partially parallel to the Austrittska ⁇ nalachse by the movement of the ejection element, which also due ⁇ on the basis of the centrifugal force acting on the bulk material to an increased Throughput of bulk material through the outlet opening leads, ie the bulk material is ejected.
  • outlet channel is mounted substantially tangentially in the mixing area to the substantially cylindrical housing.
  • tan ⁇ gential here has the meaning that the outlet channel axis has no intersection with the axis of the mixer shaft.
  • the mixer shaft preferably has two ejection elements.
  • the mixer shaft three ejection elements, particularly preferably four ejection elements and very particularly preferably at least five ⁇ ejection elements.
  • This embodiment with at least two ejection elements has the advantage that the transport through the outlet opening is verbes ⁇ sert, that is, inter alia, that the material throughput is increased by the device.
  • the mixer shaft is mounted on both sides.
  • Mixing elements may have improved, ie in particular faster treatment of the bulk material. As a result, an increase in the throughput is achieved by the device.
  • an area perpendicular of the active surface of at least one ejection element encloses an angle of substantially 90 ° with the axis of the mixer shaft.
  • An area perpendicular of an effective area is understood here and below to mean the vertical on the effective area.
  • This orientation of the active surface in relation to the mixer shaft has the advantage that the transport of the bulk material through the outlet opening is further improved.
  • the active surface is preferably at least one ejection member spaced apart perpendicular to the radius of the cylindrical housing in rotation ⁇ direction or opposite to the rotational direction of the ejection member.
  • the surface perpendicular of the active ⁇ surface includes at least one mixing element at an angle less than 90 ° with the axis of the mixer shaft.
  • the FLAE ⁇ chensenkrechte encloses an angle of 45 ° to 85 ° with the axis of the mixer shaft.
  • This arrangement of the effective surface of a mixing element relative to the axis of the mixer shaft has the advantage that the bulk material ent ⁇ long the axis of the mixer shaft is transported. By this arrangement, therefore, the bulk material is treated simultaneously mixed insbeson ⁇ particular, and along the axis of the mixer shaft transported ⁇ advantage.
  • the mixer shaft at least two parallel to the axis of the mixer shaft spaced ejection elements and mixing elements on ⁇ .
  • the mixer shaft has at least one ejection member ⁇ and at least one mixing element which are spaced parallel to the axis of the mixer shaft.
  • the advantage of the arrangement of at least two ejector elements and mixing elements which are spaced apart parallel to the axis of the mixer shaft has the advantage that they have respectively under ⁇ Kunststoffliche orientations of the surface normal to the axis of the mixer shaft.
  • the individual mixing elements and ejection ⁇ elements can therefore be optimized to mix the bulk material and to transport along the axis of the mixer shaft or to improve the transport of the bulk material through the Austrittsöff ⁇ tion.
  • the mixer shaft upstream of the outlet opening ⁇ at least one mixing element.
  • the mixing elements upstream of the limit from ⁇ opening the possibility of transportation of bulk material upstream of the outlet opening, that is, these provide a flow resistance for the bulk material in the device current ⁇ upstream of the outlet opening is.
  • This arrangement of at least one mixing element upstream of the outlet opening has the advantage that bulk material is reliably conveyed through the outlet opening by means of the at least one ejection element.
  • bulk material is reliably conveyed through the outlet opening by means of the at least one ejection element.
  • Insbesonde ⁇ re bulk remains no more than one for this as specified before ⁇ geous period of time in the apparatus, which increases the quality of the mixed bulk material.
  • At least one ejection element has an active surface which is larger than the outlet opening parallel to the mixer shaft. This has the advantage that the transport of the bulk material through the outlet opening is further improved.
  • an extruder is arranged adjacent to the outlet opening and connected to the water , so that a bulk material can be guided from the device to the extruder.
  • This arrangement of the device adjacent to the extruder has the advantage that the bulk material before entering the extruder in the device treated, in particular can be mixed.
  • the device according to the invention is therefore also called a preconditioner.
  • the longitudinal axis of the extruder includes an angle of 60 ° to 120 ° with the axis of the Mi ⁇ shear wave.
  • this angle is in a range from Be ⁇ 70 ° to 110 °, particularly preferably of 80 ° to 100 ° and most preferably of substantially 90 °.
  • This arrangement of device and extruder has the advantage that such an arrangement allows a very small distance between the device and the downstream extruder. By this arrangement is achieved in particular that the
  • Extruder must have an opening only in the region of the outlet opening and thus the housing of the extruder is weakened only in the stability here.
  • it is demge ⁇ geninate necessary to modify the extruder housing that parallel to the longitudinal axis of the extruder and thus weaken to the short distance between the device and the extruder to reach the, since a parallel arrangement is used here.
  • a minima ⁇ len distance of not more than 20 mm on flank has a ⁇ a Extru the shaft perpendicular to the extruder shaft to the radially outermost point of the ejection element.
  • this minimum distance is not more than 10 mm, very particularly preferably this minimum distance is not more than at least 5 mm and more preferably at least 1 mm.
  • the edge of an extruder shaft is within the meaning of the application of the outer radius in the range of the device.
  • This small distance has the advantage that only a small volume of bulk material can accumulate in the region between the outlet opening of the device and the extruder inlet opening.
  • This volume represents a so-called product bridge, which should be as small as possible in order to avoid clumping and / or clogging, which is hardly achievable in the prior art.
  • the device is madestal ⁇ tet, that the interior of the housing can be acted upon with steam.
  • the interior of the housing is especially with water vapor
  • the device has a temperature control device.
  • the device has in particular a heating device.
  • Another aspect of the invention is directed to a method for mixing a bulk material with a device, in particular as described above.
  • a first step will be
  • the device has a housing which is essentially cylindrical in a mixing region and which contains at least one outlet channel with an outlet opening in the mixing region. Furthermore, the device has at least one rotatably mounted mixer shaft with at least one ejection element with an effective surface.
  • the ejection member is guided past under normal conditions of use at the outlet opening, wherein a projection of the Wirkflä ⁇ che the smallest exit channel cross-section covers parallel to the outlet channel axis of the outlet opening at least once per To ⁇ rotation of the ejection member, at least about 45%.
  • the projection of the active surface covers parallel to the exit channel ⁇ axis of the outlet opening the smallest exit channel cross-section once per revolution at least 50%, particularly before ⁇ Trains t from at least 55% and most preferably at least 60%.
  • the mixing of the bulk material in the device and the transport of the mixed bulk material done towards an exit opening.
  • the mixed bulk material is discharged from the device by means of the ejection ⁇ elements.
  • This method is preferably carried out with the device described above and thus has all the advantages of the device described above.
  • the mixed bulk material discharged from the device is preferably transported into an extruder.
  • Another aspect of the invention is directed to the Aufrüs ⁇ th or retrofitting an existing plant for the processing of raw materials, in particular bulk material, preferably a
  • This method has the advantage that already in operation plants can be brought to the latest state of the art. It is therefore possible to upgrade installations which have hitherto not had a device according to the invention by means of a corresponding device. Furthermore, systems which already have a device according to the prior art can be retrofitted with the device according to the invention.
  • An additional aspect of the invention is directed to the use of the apparatus described above as conditioner for extrusion equipment.
  • This use as a conditioner for extrusion plants has the advantage that the bulk material to be treated in the extrusion plant can be pretreated in the conditioner, so that the bulk material is prepared for an optimal extrusion result.
  • the invention is described below with reference to working examples for better understanding closer without the OF INVENTION ⁇ -making should be limited to the embodiments.
  • Figure 1 section through an inventive device
  • FIG. 2 shows a perspective view of a device according to the invention
  • Figure 3 a schematic representation of a mixer shaft with two ejection elements
  • Figure 4 schematic representation of an inventive
  • Figure 5 schematic representation of a plan view of egg ⁇ ne inventive device with downstream ⁇ tem extruder.
  • Figure 6 schematic representation of an inventive
  • Figure 7 perspective view of a erfindungsge ⁇ zeß the mixer shaft
  • the device 1 shows a section through a mixing region of a ER- inventive device 1.
  • the device 1 comprises in cross section a substantially circular housing 2 with egg ⁇ ner mixer shaft 4.
  • two ejection ⁇ elements 3 mounted with active surfaces. 8
  • the active surfaces 8 wei ⁇ sen to a surface perpendicular 9th
  • the housing 2 also has an outlet channel 15 with outlet channel axis 10 and an outlet opening 6 with the outlet channel cross section 17.
  • the active surface 8 of the ejection element 3 covers here 50% of the smallest outlet channel cross section 17, ie here the outlet opening 6, from when the active surface 3 is projected parallel to the outlet channel axis 10 to the outlet opening 6, when the surface perpendicular 9 and outlet channel axis 10 parallel to each other ⁇ gen ,
  • FIG. 2 shows a perspective view of a detail of the device 1 according to the invention.
  • the housing 2 is essentially cylindrical in the mixing area 7 shown here.
  • An outlet channel 15 with a substantially square cross-section has an outlet opening 6.
  • a mixer shaft 4 has two ejection elements 3 with effective surface 8 in the region of the outlet opening 6.
  • Figure 3 shows schematically a mixing shaft 4 with two ejection ⁇ elements 3. These each have convex working surfaces 8 on the surface normals. 9
  • FIG. 4 schematically shows a device 1 with a downstream extruder 20.
  • the device 1 has a substantially circular housing in cross section with a mixer shaft 4.
  • This mixer shaft 4 has two ejection elements 3.
  • the device 1 comprises an outlet channel 15 with an off ⁇ opening. 6
  • This outlet opening 6 is connected to the extruder such that the bulk material 30 can be transported by the device 1 into the extruder 20.
  • the bulk material 30 is therefore mixed in the device 1 in a first step and transported in the region of the device in which the outlet channel 15 attached to the device 1 is done. The bulk material is then transported substantially through the ejection elements 3 in the outlet channel 15. As a result, the bulk material 30 is transported through the outlet opening 6 into the extruder 20.
  • the bulk material 30 by means of the extruder shaft 24 along the longitudinal axis of
  • Extruder shaft 24 transported to the nozzle 23 and extruded there.
  • the longitudinal axis of the extruder and the axis of the mixer shaft 4 enclose an angle of substantially 90 °.
  • FIG. 5 shows a plan view of a system 40 with a device 1 according to the invention and a downstream extruder 20.
  • the device 1 has a mixer shaft 4.
  • the extruder 20 with the longitudinal axis 22 has an angle a of 95 ° between the axis of the mixer shaft 4 and the longitudinal axis 22 of the extruder 20.
  • An outlet opening of the device 1 and an inlet opening of the extruder 20 are not shown here.
  • FIG. 6 schematically shows a device 1 according to the invention with a downstream extruder shaft 24.
  • the same references in FIG. 6 denote the same components as used in FIG.
  • An edge of the extruder shaft 24, ie the outer radius Be ⁇ rich of the device 1 is perpendicular to the extruder shaft 24 to the radially outermost point of the ejection element 3 at least once per revolution spaced by not more than a distance d of 10 mm.
  • Figure 7 shows in perspective a mixer shaft 4 in the mixing region 7.
  • the mixer shaft 4 the part of the not shown here before ⁇ direction with an outlet opening, has mixing elements 16 for mixing and transporting of bulk material not shown here.
  • the mixer shaft 4 has an ejection element 3 for improved transport of bulk material from the device through the outlet opening.
  • a return transport element 18 is suitable for transporting bulk material, which has been transported past an outlet opening, back into the region of the outlet opening.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)

Abstract

Le dispositif comprend un carter (2) sensiblement cylindrique, dans une zone de mélange (7). Celui-ci renferme au moins un conduit de sortie (15) muni d'une ouverture d'évacuation (6), dans la zone de mélange (7), et au moins un arbre de mélangeur (4) monté entraînable en rotation, présentant au moins un élément éjecteur (3) ayant une surface efficace. L'élément éjecteur (3) est amené à se déplacer, lors de son utilisation conformément à sa fonction, devant l'ouverture d'évacuation (6), une projection de la surface efficace (8) recouvrant, parallèlement à l'axe du conduit de sortie sur l'ouverture d'évacuation (6), la plus petite section du conduit de sortie, au moins une fois par tour de l'élément éjecteur (3), au moins à 45%, de préférence au moins à 50%, voire même, au moins à 55% et, plus particulièrement, au moins à 60%. De préférence, la projection de la surface efficace (8) parallèlement à l'axe du conduit de sortie sur l'ouverture d'évacuation (6), recouvre la plus petite section du conduit de sortie, une fois par tour, au moins à 50%, de préférence à 55% et, plus particulièrement, à 60%.
EP10773280A 2009-10-29 2010-10-21 Dispositif et procédé de traitement d'un produit en vrac Withdrawn EP2493599A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10773280A EP2493599A1 (fr) 2009-10-29 2010-10-21 Dispositif et procédé de traitement d'un produit en vrac

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09174499A EP2316562A1 (fr) 2009-10-29 2009-10-29 Dispositif et procédé destinés au traitement d'un produit en vrac
PCT/EP2010/065846 WO2011051154A1 (fr) 2009-10-29 2010-10-21 Dispositif et procédé de traitement d'un produit en vrac
EP10773280A EP2493599A1 (fr) 2009-10-29 2010-10-21 Dispositif et procédé de traitement d'un produit en vrac

Publications (1)

Publication Number Publication Date
EP2493599A1 true EP2493599A1 (fr) 2012-09-05

Family

ID=42026134

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EP10773280A Withdrawn EP2493599A1 (fr) 2009-10-29 2010-10-21 Dispositif et procédé de traitement d'un produit en vrac

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EP (2) EP2316562A1 (fr)
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BR (1) BR112012010247A2 (fr)
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WO (1) WO2011051154A1 (fr)

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AT511362B1 (de) 2010-04-14 2014-01-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512205B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512149B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512146B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512212B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512209B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512208B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512223B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512145B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512207B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512222B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512148B1 (de) * 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT13133U1 (de) * 2012-02-23 2013-07-15 Wildfellner Ges M B H Befülleinrichtung für Schüttgut
CN103407011B (zh) * 2013-08-27 2015-07-08 北京化工大学 一种制备中空微球/树脂复合材料的设备
CN112157836B (zh) * 2020-09-21 2021-05-25 浙江苗艺阀门股份有限公司 一种环保塑基导热材料制备装置及其制备方法

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CL2012001122A1 (es) 2013-07-19
CN102711971A (zh) 2012-10-03
BR112012010247A2 (pt) 2018-03-20
EP2316562A1 (fr) 2011-05-04
WO2011051154A1 (fr) 2011-05-05
US20120200000A1 (en) 2012-08-09

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