EP3342480A1 - Outil de mélange pour un mélangeur et mélangeur - Google Patents

Outil de mélange pour un mélangeur et mélangeur Download PDF

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Publication number
EP3342480A1
EP3342480A1 EP17152338.4A EP17152338A EP3342480A1 EP 3342480 A1 EP3342480 A1 EP 3342480A1 EP 17152338 A EP17152338 A EP 17152338A EP 3342480 A1 EP3342480 A1 EP 3342480A1
Authority
EP
European Patent Office
Prior art keywords
wings
mixer
hub
mixing tool
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.)
Granted
Application number
EP17152338.4A
Other languages
German (de)
English (en)
Other versions
EP3342480B1 (fr
Inventor
Henning Kreis
Stephan Poller
Ralph Richter
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.)
Zeppelin Systems GmbH
Original Assignee
Zeppelin Systems GmbH
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 Zeppelin Systems GmbH filed Critical Zeppelin Systems GmbH
Publication of EP3342480A1 publication Critical patent/EP3342480A1/fr
Application granted granted Critical
Publication of EP3342480B1 publication Critical patent/EP3342480B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B01F27/05—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
    • B01F27/0726—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis having stirring elements connected to the stirrer shaft each by a single radial rod, other than open frameworks
    • B01F27/07261—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis having stirring elements connected to the stirrer shaft each by a single radial rod, other than open frameworks of the anchor type, i.e. the stirring elements being connected to the rods by one end and extending parallel to the shaft 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
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/113—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller
    • B01F27/1133—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller the impeller being of airfoil or aerofoil type
    • 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
    • B01F33/35—Mixing after turning the mixing vessel upside down

Definitions

  • a generic mixing tool and a generic mixer are for example from the EP 0963242 B1 known.
  • Such a mixing tool and a mixer, in particular a container mixer, in which such a mixing tool is used serves in particular for the processing of powdery, semolina and / or granular substances.
  • a mixing container filled with mix is closed by a mixer head.
  • the mixer head has the mixing tool.
  • the actual mixing process takes place, in which the mixing tool usually rotates about a vertical axis in the mixing container.
  • Object of the present invention is to provide a mixing tool for a mixer, with a good quality mixing at low temperature inputs and low power consumption and reduction of remaining deposits is possible.
  • Another object of the invention is to provide a mixer with low power consumption, which is also easier to clean.
  • the first object is achieved by a mixing tool having the features of claim 1.
  • the second object is achieved by a mixer with the features of claim 10.
  • the vanes are shaped so that their maximum thickness lies in a forward portion of the vanes, viewed in the direction of rotation of the hub.
  • the wings are in accordance with a preferred embodiment, an airfoil-shaped, with a convex shaped top with substantially in the direction of rotation of the hub rearwardly decreasing curvature and a bottom, which merges continuously from a convex curved, in the direction of rotation of the hub portion in a concave curved rear portion ,
  • the wing-like shape of the wings of such a mixing tool is advantageous in many respects.
  • such a mixing tool can achieve good thorough mixing of the mix at a comparatively low running speed.
  • Such wings can be positioned at a sufficiently large distance from the bottom of the mixer head, so that even for a cleaning of the mixing tool and the mixer disassembly of the mixing tool is not necessary, which is associated with a large time savings.
  • the free ends of the wings each have an angle to the respective wing aligned outer wing.
  • the turbulence of the mixed material is reduced during the rotation of the mixing tool, so that thereby a laminar flow is favored, with which the mixed material is mixed, which contributes to the avoidance of deposits on the mixing tool and the side wall of the mixer.
  • the outer wings are preferably wedge-shaped, with a convex front surface.
  • the outer wings are aligned obliquely tilted to the axis of rotation of the hub.
  • the outer wings are preferably mounted at the free end of the wing. Also conceivable is a one-piece molding of the outer wing at the free end of the wing. Also preferably, the wings are mounted on the hub.
  • the span of the blades of the mixing tool is dimensioned such that the distance of a radially outer edge of the wings from the side inner wall of the mixer head is between 5% and 60% of the wingspan.
  • the distance between the underside of the wings from the bottom of the mixer head is between 1% and 35% of the wingspan.
  • the transition between the bottom and the side inner wall is continuous according to a preferred embodiment, in particular formed as a circular peripheral portion, which provides for an additional buoyancy of the mixed material upon rotation of the mixing tool.
  • the bottom can be formed as a flat, circular disk-shaped plate, which can be followed by a peripheral side wall as part of the mixer head can be placed on the mixing container.
  • Fig. 1 is designated by the reference numeral 1 a total of a mixer for powdered, semolina and / or granular substances.
  • the mixer 1 in this case essentially has a mixing container 8, on which a mixer head 2 can be placed and with which the mixing container 8 can be closed.
  • the mixing container 8 and the mixer head 2 are supported on a stand 12.
  • an outlet 9 is provided, through which the ready mixed mix can be removed from the mixing container 8.
  • a mixing tool 3 is arranged, which is rotatably supported by a drive 7 parallel to a bottom 21 of the mixer head 2 on a bottom 21 of the mixer head 2 passing through and driven by the drive 7 drive axle 10.
  • a hub 4 of the mixing tool 3 is rotatably attached.
  • the mixing tool 3 has three radially or approximately radially to one of the drive axle 10 of the drive 7 corresponding axis of rotation A projecting wings 5.
  • the vanes 5 are shaped so that their maximum thickness d max in a viewed in the direction of rotation R of the hub 4, front portion 53 of the wings 5 is located. In a rear portion 54 of the wings, the thickness d of the wings slowly decreases.
  • the wings 5 are preferably shaped wing-shaped.
  • a wing-shaped a shape of the wings is called wing, in which a convex shaped top 51 with substantially in the direction of rotation D.
  • the hub 4 is formed decreasing toward the rear curvature and in which a bottom 52 of the wings 5 of a convex curved, in the direction of rotation D of the hub 4 front portion 52a continuously merges into a concavely curved rear portion 52b.
  • the wings 5 can be aligned tilted parallel or at an angle to a plane perpendicular to the axis of rotation A of the hub 4.
  • the wings 5 are preferably oriented upward by 0 ° to 45 ° to the horizontal.
  • the wings 5 are preferably flat. It is also conceivable, the wings 5 bent or kinked form. So it is conceivable, for example, that the wings 5 extend starting from the hub 4 initially aligned parallel or angularly tilted to a plane perpendicular to the axis of rotation A of the hub 4 and bend or bend in a remote from the hub 4 area up or down.
  • the wings 5 are preferably aligned parallel and spaced from the bottom 21 of the mixer head 2 in the radial direction.
  • the outer wings 6 are preferably wedge-shaped, with a convexly shaped front surface 61 which, viewed in the direction of rotation D of the hub 4 during the mixing process, tapers rearwardly to form a wedge-shaped region 62.
  • the outer wings 6 are preferably aligned perpendicular to the longitudinal axis of the wings 5, wherein the convex shaped front surface 61 of the outer wings 6 are preferably tilted by 15 ° to 45 °, in particular by 20 °, tilted backwards from the vertical.
  • the arranged on the hub 4 wings 5 are further preferably arranged at the same angular distance from each other.
  • the outer wings 6 are preferably mounted at the free end of the wings 5.
  • the wings 5 themselves are preferably mounted non-rotatably on the hub 4. It is conceivable in principle but also a one-piece design of the wings 5 with the hub. 4
  • outer wings 6 are arranged at a distance from cylindrical side inner walls 22 of the mixer head 2.
  • the mixer head 2 is in the in the Figures 2 and 3 embodiments shown pot-shaped, with a flat bottom 21 and a circumferentially adjoining the bottom 21 side inner wall 22nd
  • the transition between the bottom 21 and the side inner wall 22 is continuous here, in particular formed as a circular peripheral portion.
  • the span of the wings 5 is preferably dimensioned such that the distance between a radially outer edge of the wings 5 from the side inner wall 22 of the mixer head 2 is between 5% and 60% of the span I of the wings 5.
  • the distance of the underside 52 of the wings 5 from the bottom 21 of the mixer head 2 is preferably between 1% and 35% of the span I of the wings 5, more preferably between 5% to 15%.
  • the wing-shaped formation of the wings 5 also allows a sufficiently large distance between the wings 5 from the bottom 21 of the mixer head 2, to to carry out a cleaning without disassembly of the mixing tool 3 and at the same time to achieve a sufficiently large suction effect during rotation of the mixing tool 3 to thoroughly mix the mixing material to be mixed in the mixer 1, wherein the suction effect caused by the wing shape of the wings 5 at the same time to avoid of deposits on the bottom 21 of the mixer head 2 contributes.
  • the bottom 21 of the mixer head 2 is disc-shaped, so that the mixing container 8 can be placed directly on this, so that in this case the circumferentially adjoining the bottom 21 side wall 22 as part of the mixer head 2 can be placed on the mixing container 8 is formed.
  • the mixing tool 3 rotated by 180 ° to position a horizontal axis of rotation in the mixer head 2.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
EP17152338.4A 2016-12-27 2017-01-20 Mélangeur avec outil de mélange Active EP3342480B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202016107397.9U DE202016107397U1 (de) 2016-12-27 2016-12-27 Mischwerkzeug für einen Mischer und Mischer

Publications (2)

Publication Number Publication Date
EP3342480A1 true EP3342480A1 (fr) 2018-07-04
EP3342480B1 EP3342480B1 (fr) 2020-06-17

Family

ID=57868082

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17152338.4A Active EP3342480B1 (fr) 2016-12-27 2017-01-20 Mélangeur avec outil de mélange

Country Status (2)

Country Link
EP (1) EP3342480B1 (fr)
DE (1) DE202016107397U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113276301A (zh) * 2021-05-13 2021-08-20 江西蒂罗宝实业有限公司 一种石英石生产用自动混料装置
DE102020129866A1 (de) 2020-11-12 2022-05-12 Zeppelin Systems Gmbh Dichtungsvorrichtung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202019104870U1 (de) 2019-09-04 2019-09-18 Dr. Herfeld Gmbh & Co. Kg Mischmaschine

Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1981392A (en) * 1932-12-03 1934-11-20 Manganese Bronze & Brass Compa Propeller and the like
DE1089368B (de) * 1959-03-05 1960-09-22 Kuehnle Kopp Kausch Ag Umlaufender, mit Gasaustrittsoeffnungen versehener Feinstbegaser fuer faserstoffhaltige Fluessigkeiten
DE1278409B (de) * 1965-10-11 1968-09-26 Weinrich Heinrich Dr Ing Vorrichtung zum Begasen von Fluessigkeiten
DE2135531A1 (en) * 1970-07-17 1972-02-17 Valmet Oy Dissolving gas in liquid - esp oxygen in water using blades producing high and low pressures
US4135828A (en) * 1977-11-25 1979-01-23 Cabak James E Mixing apparatus
US4571090A (en) * 1984-04-11 1986-02-18 General Signal Corp. Mixing systems
EP0211279A2 (fr) * 1985-07-30 1987-02-25 General Signal Corporation Appareil de mélange
DE8814068U1 (de) * 1988-11-10 1989-01-05 Dr. Herfeld GmbH & Co KG, 5982 Neuenrade Mischvorrichtung
DE4005219A1 (de) * 1990-02-20 1991-08-22 Bohle L B Pharmatech Gmbh Ruehrwerk fuer mischgranulatoren
US5158434A (en) * 1990-07-26 1992-10-27 General Signal Corporation Mixing impellers and impeller systems for mixing and blending liquids and liquid suspensions having a wide range of viscosities
WO1994016804A1 (fr) * 1993-01-21 1994-08-04 General Signal Corporation Palette d'agitation resistant a l'erosion
DE19848536A1 (de) * 1998-10-21 2000-05-18 Thyssen Henschel Gmbh Mischer für pulver-, grieß- und/oder granulatförmige Stoffe
EP0963242B1 (fr) 1997-02-28 2001-09-12 Thyssen Henschel Gmbh Melangeur pour poudres, granules et/ou autres substances granuleuses
US6331070B1 (en) * 2000-10-30 2001-12-18 Reliance Industries, Inc. Process and apparatus for particle size reduction and homogeneous blending of ingredients in a fluidized change can mixer
US20060092762A1 (en) * 2004-10-28 2006-05-04 Xerox Corporation High intensity blending tool with optimized risers for decreased toner agglomeration
EP1738862A1 (fr) * 2005-06-30 2007-01-03 SPX Corporation Rotor mélangeur et procédé avec des éléments de sommet pré-formés.
EP2146092A2 (fr) * 2008-07-17 2010-01-20 Andreas Lehmkuhl Eolienne
WO2012116883A1 (fr) * 2011-02-28 2012-09-07 Sulzer Mixpac Ag Mélangeur dynamique
WO2014071993A1 (fr) * 2012-11-09 2014-05-15 Aktiebolaget Electrolux Lame de mixeur et mixeur

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US971409A (en) * 1909-09-02 1910-09-27 Theodore Roggenbuck Propeller.
GB168586A (en) * 1920-08-28 1922-02-23 Krupp Ag A new and improved means for securing on their shafts the stirring arms of stirring apparatus
US3397869A (en) * 1967-05-03 1968-08-20 Atomic Energy Commission Usa Hydrofoil agitator blade

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1981392A (en) * 1932-12-03 1934-11-20 Manganese Bronze & Brass Compa Propeller and the like
DE1089368B (de) * 1959-03-05 1960-09-22 Kuehnle Kopp Kausch Ag Umlaufender, mit Gasaustrittsoeffnungen versehener Feinstbegaser fuer faserstoffhaltige Fluessigkeiten
DE1278409B (de) * 1965-10-11 1968-09-26 Weinrich Heinrich Dr Ing Vorrichtung zum Begasen von Fluessigkeiten
DE2135531A1 (en) * 1970-07-17 1972-02-17 Valmet Oy Dissolving gas in liquid - esp oxygen in water using blades producing high and low pressures
US4135828A (en) * 1977-11-25 1979-01-23 Cabak James E Mixing apparatus
US4571090A (en) * 1984-04-11 1986-02-18 General Signal Corp. Mixing systems
US4571090B1 (fr) * 1984-04-11 1987-06-02
EP0211279A2 (fr) * 1985-07-30 1987-02-25 General Signal Corporation Appareil de mélange
DE8814068U1 (de) * 1988-11-10 1989-01-05 Dr. Herfeld GmbH & Co KG, 5982 Neuenrade Mischvorrichtung
DE4005219A1 (de) * 1990-02-20 1991-08-22 Bohle L B Pharmatech Gmbh Ruehrwerk fuer mischgranulatoren
US5158434A (en) * 1990-07-26 1992-10-27 General Signal Corporation Mixing impellers and impeller systems for mixing and blending liquids and liquid suspensions having a wide range of viscosities
WO1994016804A1 (fr) * 1993-01-21 1994-08-04 General Signal Corporation Palette d'agitation resistant a l'erosion
EP0963242B1 (fr) 1997-02-28 2001-09-12 Thyssen Henschel Gmbh Melangeur pour poudres, granules et/ou autres substances granuleuses
DE19848536A1 (de) * 1998-10-21 2000-05-18 Thyssen Henschel Gmbh Mischer für pulver-, grieß- und/oder granulatförmige Stoffe
US6331070B1 (en) * 2000-10-30 2001-12-18 Reliance Industries, Inc. Process and apparatus for particle size reduction and homogeneous blending of ingredients in a fluidized change can mixer
US20060092762A1 (en) * 2004-10-28 2006-05-04 Xerox Corporation High intensity blending tool with optimized risers for decreased toner agglomeration
EP1738862A1 (fr) * 2005-06-30 2007-01-03 SPX Corporation Rotor mélangeur et procédé avec des éléments de sommet pré-formés.
EP2146092A2 (fr) * 2008-07-17 2010-01-20 Andreas Lehmkuhl Eolienne
WO2012116883A1 (fr) * 2011-02-28 2012-09-07 Sulzer Mixpac Ag Mélangeur dynamique
WO2014071993A1 (fr) * 2012-11-09 2014-05-15 Aktiebolaget Electrolux Lame de mixeur et mixeur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020129866A1 (de) 2020-11-12 2022-05-12 Zeppelin Systems Gmbh Dichtungsvorrichtung
EP4026610A1 (fr) 2020-11-12 2022-07-13 Zeppelin Systems GmbH Dispositif d'étanchéité
CN113276301A (zh) * 2021-05-13 2021-08-20 江西蒂罗宝实业有限公司 一种石英石生产用自动混料装置

Also Published As

Publication number Publication date
EP3342480B1 (fr) 2020-06-17
DE202016107397U1 (de) 2018-03-28

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