EP2363200B1 - Mélangeur colloïdal et procédé, notamment pour la préparation de matériaux de construction - Google Patents

Mélangeur colloïdal et procédé, notamment pour la préparation de matériaux de construction Download PDF

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Publication number
EP2363200B1
EP2363200B1 EP10015727.0A EP10015727A EP2363200B1 EP 2363200 B1 EP2363200 B1 EP 2363200B1 EP 10015727 A EP10015727 A EP 10015727A EP 2363200 B1 EP2363200 B1 EP 2363200B1
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EP
European Patent Office
Prior art keywords
mixing
premixing
dispersion
drive
tool
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
EP10015727.0A
Other languages
German (de)
English (en)
Other versions
EP2363200A2 (fr
EP2363200A3 (fr
Inventor
Christian Felber
Manfred Kleimeier
Alexander Machaczek
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.)
MAT Mischanlagentechnik GmbH
Original Assignee
MAT Mischanlagentechnik GmbH
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Publication of EP2363200A2 publication Critical patent/EP2363200A2/fr
Publication of EP2363200A3 publication Critical patent/EP2363200A3/fr
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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
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B01F27/1124—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades rake-shaped or grid-shaped
    • 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
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B01F27/1123—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades sickle-shaped, i.e. curved in at least one direction
    • 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
    • B01F27/23—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis
    • B01F27/232—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes
    • B01F27/2322—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes with parallel axes
    • 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
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis 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
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/91—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with propellers
    • 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
    • B01F33/82—Combinations of dissimilar mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/28—Mixing cement, mortar, clay, plaster or concrete ingredients

Definitions

  • the mixing tools mounted in the premixing zone are rotationally connected to the dispersing tools mounted in the dispersing zone and that they are driven by a common drive unit.
  • This has the advantage that a one-sided storage and thus a particularly simply constructed colloidal mixer is possible, which at the same time allows a secure torque transmission between the premixing device and the dispersing device.
  • the storage of the premixing device and the dispersing device on the bottom side of the mixing trough done.
  • the invention is based on the observation that the mixers known from the prior art with premixing device coupled to the dispersing device may reach their limits in certain mixtures, in particular in the mixing of solids-rich suspensions of high density from solids having a very low bulk density . Because of the coupling with the dispersing tools, the mixing tools of the premixing zone run at the same speed as the dispersing tools in such a mixer. However, the speed of the dispersing tools must be sufficiently high to allow the colloidal digestion of the solids. This high speed, the state of the art due to the coupling also in the premixing zone However, under certain circumstances, in the premixing zone, undesirable effects may now result, which prevent further solids of low bulk density from being stirred into a suspension of significantly higher density.
  • the inventive arrangement makes it possible, for example, to operate the dispersing device at a high speed, which enables the colloidal digestion to simultaneously operate the premixing device at comparatively low speed, so that it is still possible to stir in solids of low bulk density.
  • the mixer according to the invention can be used for the colloidal preparation of low to high viscosity suspensions and / or dispersions.
  • a further preferred embodiment of the invention consists in that at least one helical mixing tool, preferably two helical mixing tools, are arranged on the mixing rotor. Accordingly, the mixing tool is formed helically.
  • the at least one helical mixing tool can be wound, for example in the form of a right-hand screw.
  • a helical mixing tool can assist the circulation and redeployment of the suspension in the mixing trough or assist in emptying the mixer.
  • a first embodiment of a mixer is shown in side view in FIG Fig. 1 shown.
  • the mixer shown has a mixing trough 10, in which a premixing zone 11 and below a dispersing zone 12 are formed.
  • a premixing device 20 is provided for mixing solid, and in the dispersing zone 12 a dispersing device 30 for colloidal digestion.
  • an active drive of the agitator 60 in which means are provided for actively rotating the agitator 60 around itself.
  • These means for actively rotating the agitator 60 around itself may comprise, for example, a stand-alone motor.
  • the active drive is formed by a traction mechanism, which is a particularly simple design.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Claims (12)

  1. Mélangeur colloïdal, plus particulièrement pour la préparation de matériaux de construction, avec :
    - une cuve de mélange (10), dans laquelle un dispositif de pré-mélange (20) et un dispositif de dispersion (30) sont disposés, et
    - des moyens d'entraînement (40, 50) pour l'actionnement du dispositif de pré-mélange (20) et du dispositif de dispersion (30),
    - dans lequel le dispositif de pré-mélange (20) comprend un outil de mélange (23) et le dispositif de dispersion (30) comprend un outil de dispersion (33),
    - dans lequel l'outil de mélange (23) et l'outil de dispersion (33) sont entraînés autour d'un axe de rotation commun (80),
    - dans lequel, dans la cuve de mélange (10), le dispositif de pré-mélange (20) est disposé dans une zone de pré-mélange (11) et le dispositif de dispersion (30) est disposé dans une zone de dispersion (12), qui est formée au-dessous de la zone de pré-mélange (11),
    - dans lequel la zone de pré-mélange (11) et la zone de dispersion (12) de la cuve de mélange (10) sont constituées en étant de forme approximativement cylindrique aussi bien intérieurement qu'extérieurement, la zone de pré-mélange (11) ayant un plus grand diamètre que la zone de dispersion (12) située au-dessous d'elle, et
    - dans lequel, dans la zone de dispersion (12), la cuve de mélange (10) comprend, du côté de sa paroi latérale, un orifice de sortie (16) pour l'évacuation du produit mélangé,
    - dans lequel le dispositif de pré-mélange (20) et le dispositif de dispersion (30) sont découplés en rotation,
    - dans lequel, pour un entraînement indépendant du dispositif de pré-mélange (20) et du dispositif de dispersion (30), deux entraînements distincts (40, 50) ont été disposés, dans lesquels sont prévus un entraînement (40) pour le dispositif de pré-mélange (20), en vue de l'entraînement en rotation de l'outil de mélange (23), et un deuxième entraînement (50) pour le dispositif de dispersion (30), en vue de l'entraînement en rotation de l'outil de dispersion (33),
    caractérisé :
    - en ce que l'entraînement (40) destiné au dispositif de pré-mélange (20) comprend un arbre creux, à travers lequel un arbre de transmission de l'entraînement (50) destiné au dispositif de dispersion (30) est réalisé.
  2. Mélangeur colloïdal selon la revendication 1,
    caractérisé :
    en ce que l'entraînement (50) destiné au dispositif de dispersion (30) est disposé au moins en partie au-dessous du dispositif de dispersion (30), et
    en ce que l'entraînement (40) destiné au dispositif de pré-mélange (20) est disposé au moins en partie au-dessus du dispositif de pré-mélange (20).
  3. Mélangeur colloïdal selon une des revendications précédentes,
    caractérisé :
    en ce que l'entraînement (40) destiné au dispositif de pré-mélange (20) est mis en place en vue d'un fonctionnement continu ou en vue d'un fonctionnement intermittent du dispositif de pré-mélange (20), de préférence dans les deux directions de rotation.
  4. Mélangeur colloïdal selon une des revendications précédentes,
    caractérisé :
    en ce que le dispositif de pré-mélange (20) comprend un rotor de mélange (21), sur lequel au moins un outil de mélange (23) hélicoïdal et de préférence deux outils de mélange hélicoïdaux sont disposés.
  5. Mélangeur colloïdal selon la revendication 4,
    caractérisé :
    en ce que le au moins un outil de mélange (23) hélicoïdal balaie un angle de révolution compris entre 90° et 180°.
  6. Mélangeur colloïdal selon la revendication 4 ou 5,
    caractérisé :
    en ce que l'outil de mélange (23) hélicoïdal suit le contour intérieur de la cuve de mélange (10) à une faible distance.
  7. Mélangeur colloïdal selon une des revendications précédentes,
    caractérisé :
    en ce que le dispositif de pré-mélange (20) comprend un agitateur (60) monté en étant mobile en rotation sur un bras d'agitateur (26).
  8. Mélangeur colloïdal selon la revendication 7,
    caractérisé :
    en ce que le bras d'agitateur (26) est relié au rotor de mélange (21) du dispositif de pré-mélange (20) en étant solidaire avec lui en rotation.
  9. Mélangeur colloïdal selon la revendication 7 ou 8,
    caractérisé :
    en ce que des moyens pour permettre la rotation active de l'agitateur (60) autour de lui-même sont prévus.
  10. Mélangeur colloïdal selon la revendication 9,
    caractérisé :
    en ce que les moyens pour permettre la rotation active de l'agitateur (60) comprennent un entraînement à mécanisme de traction, plus particulièrement une transmission à chaîne, dans lequel le mécanisme de traction (67) s'enroule d'un côté au niveau de l'agitateur (60) et de l'autre côté au niveau d'une roue de renvoi (68) disposée sur la cuve de mélange (10) en lui étant fixée de manière solidaire.
  11. Mélangeur colloïdal selon une des revendications 7 à 10,
    caractérisé :
    en ce que l'agitateur (60) comprend au moins un outil d'agitation interchangeable (61).
  12. Procédé pour la préparation colloïdale d'un mélange, plus particulièrement pour la préparation de matériaux de construction, avec un mélangeur colloïdal selon une des revendications 1 à 11,
    selon lequel :
    l'outil de mélange (23) est entraîné indépendamment de l'outil de dispersion (33) autour de l'axe de rotation commun (80), et
    le produit mélangé est évacué à travers l'orifice de sortie (16), qui se trouve du côté de la paroi latérale dans la cuve de mélange (10), dans la zone de dispersion (12).
EP10015727.0A 2010-03-03 2010-12-16 Mélangeur colloïdal et procédé, notamment pour la préparation de matériaux de construction Active EP2363200B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202010003100U DE202010003100U1 (de) 2010-03-03 2010-03-03 Kolloidalmischer, insbesondere zur Aufbereitung von Baustoffen

Publications (3)

Publication Number Publication Date
EP2363200A2 EP2363200A2 (fr) 2011-09-07
EP2363200A3 EP2363200A3 (fr) 2013-05-01
EP2363200B1 true EP2363200B1 (fr) 2016-09-28

Family

ID=42169275

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Application Number Title Priority Date Filing Date
EP10015727.0A Active EP2363200B1 (fr) 2010-03-03 2010-12-16 Mélangeur colloïdal et procédé, notamment pour la préparation de matériaux de construction

Country Status (2)

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EP (1) EP2363200B1 (fr)
DE (1) DE202010003100U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4357013A1 (fr) 2022-10-20 2024-04-24 BAUER MAT Slurry Handling Systems Zweigniederlassung der BAUER Maschinen GmbH Procédé et mélangeur colloïdal pour la préparation colloïdale d'une suspension

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
DE102011104272B4 (de) 2011-06-15 2014-07-03 EKATO Rühr- und Mischtechnik GmbH Anlage zur Dispersion von feindispersen Feststoffen in hochviskose Produkte
DE102014008067A1 (de) * 2014-05-27 2015-12-03 Ammann Elba Beton GmbH Vorrichtung zum Mischen von Beton
EP3229947A1 (fr) * 2014-12-08 2017-10-18 Tetra Laval Holdings & Finance SA Appareils et procédés permettant un mélange amélioré
DE102015102261A1 (de) * 2015-02-18 2016-08-18 Netzsch Feinmahltechnik Gmbh Mischvorrichtung und Verfahren zum Zerkleinern von groben Bestandteilen beim Ausleiten eines Produktgemisches aus einer Mischvorrichtung
DE202016000169U1 (de) * 2016-01-14 2017-04-20 Symex Gmbh & Co. Kg Pump- und/oder Mischeinrichtung zum Fördern, Homogenisieren und/oder Dispergieren fließfähiger Produkte
AT518345B1 (de) 2016-02-15 2019-12-15 Dipl Ing Franz Goetschl Verfahren zur Herstellung eines Betonbaustoffes
CN114288934B (zh) * 2022-01-21 2023-03-28 临沂市金沂蒙生物科技有限公司 一种新型木薯糟液厌氧处理设备

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EP2219770B2 (fr) * 2007-12-07 2019-02-20 Pemat Mischtechnik Gmbh Mélangeur et procédé de mélange
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4357013A1 (fr) 2022-10-20 2024-04-24 BAUER MAT Slurry Handling Systems Zweigniederlassung der BAUER Maschinen GmbH Procédé et mélangeur colloïdal pour la préparation colloïdale d'une suspension

Also Published As

Publication number Publication date
EP2363200A2 (fr) 2011-09-07
EP2363200A3 (fr) 2013-05-01
DE202010003100U1 (de) 2010-05-12

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