EP0599010B1 - Agitateur double pour remuer des liquides steriles - Google Patents

Agitateur double pour remuer des liquides steriles Download PDF

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Publication number
EP0599010B1
EP0599010B1 EP93115169A EP93115169A EP0599010B1 EP 0599010 B1 EP0599010 B1 EP 0599010B1 EP 93115169 A EP93115169 A EP 93115169A EP 93115169 A EP93115169 A EP 93115169A EP 0599010 B1 EP0599010 B1 EP 0599010B1
Authority
EP
European Patent Office
Prior art keywords
impeller
flow
container
propeller
stirring
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.)
Expired - Lifetime
Application number
EP93115169A
Other languages
German (de)
English (en)
Other versions
EP0599010A1 (fr
Inventor
Hans Peter Meier
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.)
Mavag Verfahrenstechnik AG
Original Assignee
Mavag Verfahrenstechnik 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 Mavag Verfahrenstechnik AG filed Critical Mavag Verfahrenstechnik AG
Publication of EP0599010A1 publication Critical patent/EP0599010A1/fr
Application granted granted Critical
Publication of EP0599010B1 publication Critical patent/EP0599010B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
    • B01F33/453—Magnetic mixers; Mixers with magnetically driven stirrers using supported or suspended stirring elements
    • 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
    • B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
    • B01F33/453—Magnetic mixers; Mixers with magnetically driven stirrers using supported or suspended stirring elements
    • B01F33/4535—Magnetic mixers; Mixers with magnetically driven stirrers using supported or suspended stirring elements using a stud for supporting the stirring element
    • 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
    • B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
    • B01F35/41—Mounting or supporting stirrer shafts or stirrer units on receptacles
    • B01F35/411—Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting only one extremity of the shaft
    • B01F35/4112—Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting only one extremity of the shaft at the bottom of the receptacle, e.g. by studs

Definitions

  • the invention relates to a container with a Container bottom (4) arranged impeller for stirring, especially consisting of sterile liquids from an impeller head (2) with one on it arranged Ruhr tool and one of the container bottom (4) facing lower opening for receiving a Pin (6) in a central cavity (15), wherein the impeller contactless, inductive or magnetic, is drivable.
  • Such an impeller is from, for example American Patent 4,993,841 and the EP-A1 0 399 972 known.
  • the impellers have one Variety of radially outward extending Stirring blades as stirring tools.
  • a flow is generated in the container that a vortex-like in the container liquid Flow with the impeller as the center effect. So it forms above the impeller Vacuum caused by the suction of the surface of the Liquid is conical towards the Let impellers protrude.
  • the one in this area prevailing negative pressure is undesirable since it is the Gas entry into the liquid favors and at some liquids cause foam.
  • the object of the invention is a different flow in To produce containers that also have a has improved mixing and stirring effects.
  • the stirring tool is designed as a propeller, one of Tank bottom away upward flow generating direction of rotation, and in the near Bottom area arranged additionally flow-generating surfaces are provided, the one deviating from the flow caused by the propeller directed flow downwards or sideways let arise.
  • the one in the center Negative pressure zone is created by the upward flow more than compensated, so that an undesired gas entry is avoided. Foaming effects are reduced.
  • By the opposite flow in the lower area the axial forces of the propeller become partial compensated. The life expectancy of the bearings will advantageously increased.
  • the lower flow-generating surfaces as wings are formed on the impeller.
  • the size of the wing can affect the impeller acting axial forces almost completely compensated will.
  • the measure that between the central cavity and the outer surface at least one connecting Line is provided serves the interior Cavity of the impeller is constantly filled with liquid rinse, which makes cleaning the impeller easier.
  • the best stirring effect is achieved when the Propeller a distance to the bottom Impeller end face that the simple to corresponds to twice the diameter of the propeller, preferably corresponds to 11 ⁇ 2 times.
  • FIG 1 denotes the drive shaft of one further detailed drive unit of a Impeller head 2, which on a shaft end 20 as Stirring tool with several propellers Propeller blades 3 carries.
  • the impeller head 2 is in the arranged lower part of a container, the lower Container wall 4 in broken lines is shown.
  • a Mounting flange 5 welded to the inside of the Container pointing a pin 6 and inside is hollow.
  • the mounting flange 5 is usually made of non-magnetic Made of steel.
  • the upper part of the pin 6 is as cylindrical seat 8 of a bearing 9 shaped. camp 9 serves for rotatably fixing the impeller head 2 with the seat turned 10.
  • Inside the Impeller head 2 are the magnetic disk 7 opposite a number opposite Polarized permanent magnets 11 arranged so that through the magnetic forces between Magnetic disk 7 and the permanent magnet 11th torque from drive shaft 1 without contact Impeller head 2 can be transferred.
  • the lower end face 12 of the impeller 2 is through Correspondingly milled grooves 13 shaped so that when the impeller head 2 is turned there is a pumping effect.
  • Figure 2 shows a horizontal section of the Impeller head according to section line II-II in Figure 1, the parts on the container side for the sake of clarity are not shown.
  • the grooves 13 are shown. Through the one paddle wheel similar arrangement of the grooves 13 results when rotating of the impeller head 2 in the direction of arrow 14 Pump effect, the one from cavity 15 of the impeller head 2 outward flow generated by Arrows 16 is indicated. It is supplemented from the central cavity 13 aspirated liquid through the the cavity 15 with the surface 19 of the Impeller head 2 connecting line 17.
  • the propeller blades 3 are set so that when turning the impeller head due to the stirring forces a downward axial force forms as Reactive force of a vertically upward Flow.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Accessories For Mixers (AREA)

Claims (5)

  1. Cuve avec un impulseur disposé sur le fond de la cuve (4) pour agiter, notamment des liquides stériles, constituée d'une tête d'impulseur (2) avec un mobile d'agitation disposé sur lui et un orifice inférieur dirigé vers le fond de la cuve (4) pour recevoir un tourillon (6) dans un espace vide (15) central, où l'impulseur est constitué pour être entraíné sans contact par induction ou magnétiquement,
    caractérisée en ce que
    le mobile d'agitation (3) est en forme d'hélice qui présente un sens de rotation tel qu'il produit un écoulement dirigé du fond de la cuve (4) vers le haut et à proximité du fond de la cuve on prévoit des surfaces provoquant un écoulement supplémentaire dans le domaine inférieur à proximité du fond, qui réalisent un écoulement différent de celui de l'hélice, dirigé vers le bas ou latéralement.
  2. Cuve selon la revendication 1,
    caractérisée en ce que
    les surfaces inférieures produisant un écoulement sont réalisées sous forme d'ailettes (18) sur l'impulseur.
  3. Cuve selon la revendication 1 ou 2,
    caractérisée en ce que
    les surfaces inférieures produisant un écoulement sont en forme de turbine réalisée à la surface frontale inférieure (12) de l'impulseur.
  4. Cuve selon la revendication 1, 2 ou 3,
    caractérisée en ce qu'
    entre l'espace vide central (15) et la surface extérieure (19) se trouve au moins une conduite de liaison (17).
  5. Cuve selon la revendication 1, 2, 3 ou 4,
    caractérisée en ce que
    l'hélice (3) présente un intervalle avec la surface frontale inférieure (12) qui correspond à une à deux fois le diamètre de l'hélice, de préférence 1,5 fois.
EP93115169A 1992-10-01 1993-09-21 Agitateur double pour remuer des liquides steriles Expired - Lifetime EP0599010B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4232934 1992-10-01
DE4232934A DE4232934C2 (de) 1992-10-01 1992-10-01 Doppel-Impeller zum Rühren von sterilen Flüssigkeiten

Publications (2)

Publication Number Publication Date
EP0599010A1 EP0599010A1 (fr) 1994-06-01
EP0599010B1 true EP0599010B1 (fr) 1998-01-21

Family

ID=6469332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93115169A Expired - Lifetime EP0599010B1 (fr) 1992-10-01 1993-09-21 Agitateur double pour remuer des liquides steriles

Country Status (4)

Country Link
US (1) US5407272A (fr)
EP (1) EP0599010B1 (fr)
JP (1) JPH07789A (fr)
DE (1) DE4232934C2 (fr)

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DE19544529C2 (de) * 1995-11-29 2000-03-09 Alfred Wanner Magnetisches Rührsystem mit Zwangskonvektion zur Vermeidung von Toträumen und Zweiphasenrührreaktor
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DE19813232C2 (de) * 1998-03-26 2000-05-04 Naturwissenschaftliches Und Me Magnetrührer mit Probenhalterfunktion
FR2779361B1 (fr) * 1998-06-05 2000-07-28 Mixel Agitateur a entrainement magnetique
US6416215B1 (en) 1999-12-14 2002-07-09 University Of Kentucky Research Foundation Pumping or mixing system using a levitating magnetic element
US6758593B1 (en) 2000-10-09 2004-07-06 Levtech, Inc. Pumping or mixing system using a levitating magnetic element, related system components, and related methods
DE19963542C2 (de) * 1999-12-22 2003-08-28 Freyer Thomas Vorrichtung zur Mischung mehrkomponentiger Fluide
US8182137B2 (en) * 2000-10-09 2012-05-22 Atmi Packaging, Inc. Mixing bag or vessel with a fluid-agitating element
US7762716B2 (en) * 2000-10-09 2010-07-27 Levtech, Inc. Mixing vessel with a fluid-agitating element supported by a roller bearing
US6837613B2 (en) * 2001-04-10 2005-01-04 Levtech, Inc. Sterile fluid pumping or mixing system and related method
US6543928B2 (en) 2001-05-04 2003-04-08 General Machine Company Of New Jersey, Inc. Processing vessel and method for mixing powders with a magnetically coupled agitator
ATE477843T1 (de) * 2001-10-03 2010-09-15 Levtech Inc Mischbehälter mit einer aufnahmevorrichtung für ein fluidbewegungselement
GB2414808A (en) * 2002-02-08 2005-12-07 Uni Chemical Co Ltd A magnetic stirring device for viscosity measurement
JP3884694B2 (ja) * 2002-02-08 2007-02-21 ユニケミカル株式会社 粘度変化検知用素子、それを用いた粘度変化検知用攪拌回転子、及びそれらを用いた攪拌装置
US6854877B2 (en) * 2002-10-16 2005-02-15 Aseptic Controls Investment Co. Mixer for aseptic liquids
DE20306404U1 (de) 2003-04-24 2003-06-26 Mavag Verfahrenstechnik Ag Neu Mehrrühreranordnung
US7186018B2 (en) * 2003-05-07 2007-03-06 Ashland Licensing And Intellectual Property Llc Fuel processing device having magnetic coupling and method of operating thereof
US7168848B2 (en) * 2003-07-02 2007-01-30 Spx Corporation Axial-pumping impeller apparatus and method for magnetically-coupled mixer
US20050232074A1 (en) * 2004-04-20 2005-10-20 Symyx Technologies, Inc. Pressurized reactor apparatus with magnetic stirring
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DE502006008592D1 (de) 2005-07-29 2011-02-10 Zeta Biopharma Gmbh Magnetrührer
US7513680B2 (en) * 2005-08-30 2009-04-07 Allied Precision Industries, Inc. Magnetic agitation system for water retention structure
US20070247968A1 (en) * 2006-04-21 2007-10-25 V & P Scientific, Inc. Sandwich magnetic stir elements for stirring the contents of vessels
EP2114554A1 (fr) * 2007-02-21 2009-11-11 Levtech Inc. Roulement à rouleaux pour élément agitateur de fluide et récipient associé
CN102481577B (zh) * 2009-06-24 2015-10-07 大卫·梅纳什斯 用于食品加工器的通用刀片及配件
ES2393378B1 (es) * 2011-06-07 2013-10-31 Electrodomésticos Taurus, S.L. Encimera de cocina con medios de accionamiento giratorio y recipiente de cocina utilizable con dicha encimera
DE102011122554B3 (de) * 2011-12-27 2013-03-07 Eagleburgmann Germany Gmbh & Co. Kg Magnetkupplung und Rührwerk mit derartiger Magnetkupplung
EP2777455B1 (fr) 2013-03-15 2016-01-06 Whirlpool Corporation Appareil de mélange d'entraînement latéral à profil bas
US9815037B2 (en) 2013-10-25 2017-11-14 Whirlpook Corporation Magnetic disc coupler
US9555384B2 (en) 2013-10-25 2017-01-31 Whirlpool Corporation Blender assembly
US10092139B2 (en) 2014-04-28 2018-10-09 Whirlpool Corporation Low profile motor for portable appliances
AT518931B1 (de) * 2016-08-01 2019-07-15 Zeta Biopharma Gmbh Modulares Rührwerk
CN106367312B (zh) * 2016-11-04 2019-04-02 中国科学院青岛生物能源与过程研究所 一种用于大型发酵罐的共轴双桨潜水搅拌器
AT518668B1 (de) * 2017-01-25 2017-12-15 Zeta Biopharma Gmbh Rührwerk für einen Rührbehälter
US10881135B1 (en) 2017-11-10 2021-01-05 Creative Destruction, LLC Cyclonically cooled and filtered smoking water pipe and method
CN207994817U (zh) 2018-02-11 2018-10-19 广东美的生活电器制造有限公司 电机和料理机
JP7069329B2 (ja) * 2018-02-11 2022-05-17 広東美的生活電器制造有限公司 モーター及び調理器具
CN110165825B (zh) * 2018-02-11 2022-12-09 广东美的生活电器制造有限公司 电机和料理机
PT3530160T (pt) * 2018-02-21 2020-09-17 Vorwerk Co Interholding Dispositivo de preparação de alimentos com travamento
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Also Published As

Publication number Publication date
DE4232934A1 (de) 1994-04-07
DE4232934C2 (de) 1996-03-28
EP0599010A1 (fr) 1994-06-01
US5407272A (en) 1995-04-18
JPH07789A (ja) 1995-01-06

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