EP1925358A1 - Agitateur et son utilisation - Google Patents

Agitateur et son utilisation Download PDF

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Publication number
EP1925358A1
EP1925358A1 EP07120436A EP07120436A EP1925358A1 EP 1925358 A1 EP1925358 A1 EP 1925358A1 EP 07120436 A EP07120436 A EP 07120436A EP 07120436 A EP07120436 A EP 07120436A EP 1925358 A1 EP1925358 A1 EP 1925358A1
Authority
EP
European Patent Office
Prior art keywords
stirring tool
bores
radial
flow
components
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
EP07120436A
Other languages
German (de)
English (en)
Other versions
EP1925358B1 (fr
Inventor
Thomas Meier
Sebastian Koltzenburg
Wolfgang Schrof
Eva Wagner
Thomas Brinz
Tobias Burk
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.)
Robert Bosch GmbH
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Priority to EP07120436A priority Critical patent/EP1925358B1/fr
Publication of EP1925358A1 publication Critical patent/EP1925358A1/fr
Application granted granted Critical
Publication of EP1925358B1 publication Critical patent/EP1925358B1/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
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/43—Mixing liquids with liquids; Emulsifying using driven stirrers
    • 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
    • B01F27/111—Centrifugal stirrers, i.e. stirrers with radial outlets; Stirrers of the turbine type, e.g. with means to guide the flow
    • 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
    • B01F27/116—Stirrers shaped as cylinders, balls or rollers
    • B01F27/1161—Stirrers shaped as cylinders, balls or rollers having holes in the surface

Definitions

  • the invention relates to a stirring tool for producing a liquid, optionally gaseous and / or fine-grained constituents containing mixture of at least two components according to the preamble of claim 1.
  • Fluid mixing partners are usually mixed in fixed containers with rotating mixers arranged in the center of the container by forced flows.
  • a homogeneous distribution state of the mixing partners is sought.
  • the achievable homogeneity of the mixture is often unsatisfactory, especially when higher-viscosity mixing partners have to be processed.
  • the problem also arises when mixing, dispersing, emulsifying, stirring in various components, at least one of which is in a readily flowable state, in small containers, such as e.g. be used in a laboratory.
  • the reason for this is the mixing energy that can not be supplied to a sufficient extent to the components to be mixed, so that only a correspondingly low displacement and shear action in the component mixture can be achieved.
  • a motor-driven stirrer for mixing small amounts of liquids, emulsions, dispersions and dry or wet mixtures of fine-grained solids known in the end to a stirring shaft.
  • the rotor disk consists of a circular disk disk and has flow-through openings which extend radially from the center of the disk to the vicinity of its outer periphery. At the radial side edges of the flow-through upward and downward directed mixing blades are attached, via which a uniform wave flow is to be generated in the mix.
  • the achievable with such a stirrer mixing quality does not satisfy in every way, since the channels formed by the mixing blades are open upwards or downwards and thus result only limited forced flows.
  • co-rotation of the mixed material in the container practically unavoidable.
  • a plurality of, preferably 4-6, flow-through channels are provided in a circular or polygonal rotor disk attached to one end of a stirring shaft.
  • These consist of aerodynamically interconnected axial bores and radial or tangential bores.
  • the flow channels according to the invention may have circular or polygonal cross-sections and optionally be conical. They are preferably arranged symmetrically to each other, such that on a pitch circle of the upper or lower end face of the rotor disk axial bores are introduced as far into the rotor disk until they intersect the radial or tangential bores.
  • gases or solids can be distributed homogeneously in a component mixture in a particularly effective manner.
  • the axial bores are through holes.
  • the rotor disk consisting of a cylinder section can be designed with a cone or truncated cone on at least one end face of the cylinder section.
  • a polygonal rotor disk may be formed on at least one end face a corresponding polyhedral elevation.
  • the axial bores extend in these embodiments of the rotor disc, of course, by the conical or polyhedral elevations.
  • the stirring tool according to the invention is suitable for example for mixing, emulsifying liquids, slightly pasty formulations and for dissolving or dispersing solids and / or gases in liquids, in particular for mixing chemically reactive components such as paint binders and hardeners, monomer solutions and catalysts, polymer solutions and active ingredients and adhesive formulations.
  • the stirring tool according to FIGS. 1 to 3 consists of a drivable stirrer shaft (1) and a rotor disk (2) fastened to the end of the stirrer shaft in the form of a cylinder section.
  • the rotor disk contains four symmetrically arranged through-flow channels, which are formed from four axial bores (3) and four radial bores (4). In each case an axial bore is connected to a radial bore.
  • the radial distance of the bores (3) from the agitator shaft (1) can be varied depending on the diameter of the rotor disk and the flow-through channels.
  • conical protrusions are designated on the end faces of the cylinder portion of the rotor disk.
  • the stirring tool is immersed in the components contained in a stationary stirring container and set in a rotary motion.
  • the resulting centrifugal forces cause a component delivery through the radial bores (4) while the axial bores (3) continuously flow component flows from above and below.
  • a mixing of the components or the emerging from the flow passages component flow with the Rlick hereerinhalt.
  • the axial bores (3) extend from below only into the circular rotor disk (2) until they intersect the bores (4) mounted centrally in the cylinder section, so that only components or components from below Mixture is sucked.
  • Such a construction is particularly suitable when fine-grained solid is mixed into a liquid or when the entry of gases into the liquid should be avoided.
  • the bores (4) not radially but tangentially, i. at an angle of about 30 to about 45 degrees to the radial against the direction of rotation of the agitator to arrange.
  • the rotor disk (2) is circular. But it can also consist of a polygon, as shown in Figs. 6 and 7.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
EP07120436A 2006-11-21 2007-11-12 Agitateur pour la fabrication d'une mélange liquide d'au moins de deux composantes, et utilisation d'un tel agitateur Active EP1925358B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07120436A EP1925358B1 (fr) 2006-11-21 2007-11-12 Agitateur pour la fabrication d'une mélange liquide d'au moins de deux composantes, et utilisation d'un tel agitateur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06124490 2006-11-21
EP07120436A EP1925358B1 (fr) 2006-11-21 2007-11-12 Agitateur pour la fabrication d'une mélange liquide d'au moins de deux composantes, et utilisation d'un tel agitateur

Publications (2)

Publication Number Publication Date
EP1925358A1 true EP1925358A1 (fr) 2008-05-28
EP1925358B1 EP1925358B1 (fr) 2011-05-18

Family

ID=38925701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07120436A Active EP1925358B1 (fr) 2006-11-21 2007-11-12 Agitateur pour la fabrication d'une mélange liquide d'au moins de deux composantes, et utilisation d'un tel agitateur

Country Status (1)

Country Link
EP (1) EP1925358B1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012240010A (ja) * 2011-05-23 2012-12-10 Eddy Plus Co Ltd 攪拌装置
JP2013233475A (ja) * 2012-05-02 2013-11-21 Eddy Plus Co Ltd 攪拌装置
JP2013233476A (ja) * 2012-05-02 2013-11-21 Eddy Plus Co Ltd 攪拌方法および攪拌装置
US20140177379A1 (en) * 2012-12-25 2014-06-26 Uniflex Company, Ltd. Mixing device
WO2015137411A1 (fr) * 2014-03-12 2015-09-17 株式会社アクアテックス Dispositif d'agitation
WO2015137410A1 (fr) * 2014-03-12 2015-09-17 株式会社アクアテックス Dispositif de traitement
EP2386350A4 (fr) * 2009-06-23 2016-05-04 Ipms Inc Corps d'agitation rotatif et dispositif d'agitation
JP2017131801A (ja) * 2016-01-25 2017-08-03 株式会社エディプラス 温度調整装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB302980A (en) * 1927-09-24 1928-12-24 Niels Bendixen Improved adjustable centrifugal sprayer
DE1032719B (de) 1953-03-13 1958-06-26 Dore Ogrizek Hohlruehrer zum Ruehren in Fluessigkeiten
CH342549A (de) * 1953-03-13 1959-11-30 Ogrizek Dore Hohlrührer zum Einrühren wenigstens eines Fluidums in eine Flüssigkeit
US3128084A (en) * 1961-11-15 1964-04-07 Wilbur W Castor Stirrer
US4018598A (en) 1973-11-28 1977-04-19 The Steel Company Of Canada, Limited Method for liquid mixing
DE19504033C2 (de) 1995-02-08 2000-11-02 Werner Neumann Flügelscheibe für Rührwellen
WO2002060569A2 (fr) * 2000-10-30 2002-08-08 Silverson Machines Ltd. Tete de melange avec ecoulement axial
US20040022122A1 (en) 2002-08-02 2004-02-05 Kozyuk Oleg V. Devices for cavitational mixing and pumping and methods of using same

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB302980A (en) * 1927-09-24 1928-12-24 Niels Bendixen Improved adjustable centrifugal sprayer
DE1032719B (de) 1953-03-13 1958-06-26 Dore Ogrizek Hohlruehrer zum Ruehren in Fluessigkeiten
CH342549A (de) * 1953-03-13 1959-11-30 Ogrizek Dore Hohlrührer zum Einrühren wenigstens eines Fluidums in eine Flüssigkeit
US3128084A (en) * 1961-11-15 1964-04-07 Wilbur W Castor Stirrer
US4018598A (en) 1973-11-28 1977-04-19 The Steel Company Of Canada, Limited Method for liquid mixing
DE19504033C2 (de) 1995-02-08 2000-11-02 Werner Neumann Flügelscheibe für Rührwellen
WO2002060569A2 (fr) * 2000-10-30 2002-08-08 Silverson Machines Ltd. Tete de melange avec ecoulement axial
US20040022122A1 (en) 2002-08-02 2004-02-05 Kozyuk Oleg V. Devices for cavitational mixing and pumping and methods of using same

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2386350A4 (fr) * 2009-06-23 2016-05-04 Ipms Inc Corps d'agitation rotatif et dispositif d'agitation
JP2012240010A (ja) * 2011-05-23 2012-12-10 Eddy Plus Co Ltd 攪拌装置
JP2013233475A (ja) * 2012-05-02 2013-11-21 Eddy Plus Co Ltd 攪拌装置
JP2013233476A (ja) * 2012-05-02 2013-11-21 Eddy Plus Co Ltd 攪拌方法および攪拌装置
US20140177379A1 (en) * 2012-12-25 2014-06-26 Uniflex Company, Ltd. Mixing device
US10022685B2 (en) * 2012-12-25 2018-07-17 Uniflex Company, Ltd. Mixing device for mixing liquids in a mixing tank
WO2015137411A1 (fr) * 2014-03-12 2015-09-17 株式会社アクアテックス Dispositif d'agitation
WO2015137410A1 (fr) * 2014-03-12 2015-09-17 株式会社アクアテックス Dispositif de traitement
JP2017131801A (ja) * 2016-01-25 2017-08-03 株式会社エディプラス 温度調整装置

Also Published As

Publication number Publication date
EP1925358B1 (fr) 2011-05-18

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