EP2539061B1 - Mélangeur - Google Patents

Mélangeur Download PDF

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Publication number
EP2539061B1
EP2539061B1 EP11717927.5A EP11717927A EP2539061B1 EP 2539061 B1 EP2539061 B1 EP 2539061B1 EP 11717927 A EP11717927 A EP 11717927A EP 2539061 B1 EP2539061 B1 EP 2539061B1
Authority
EP
European Patent Office
Prior art keywords
mixer
container
shaft
drive motor
drive unit
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.)
Not-in-force
Application number
EP11717927.5A
Other languages
German (de)
English (en)
Other versions
EP2539061A1 (fr
Inventor
Hanspeter Tschamber
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2539061A1 publication Critical patent/EP2539061A1/fr
Application granted granted Critical
Publication of EP2539061B1 publication Critical patent/EP2539061B1/fr
Not-in-force 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
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B01F27/1125—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades with vanes or blades extending parallel or oblique to the stirrer 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
    • B01F27/80—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
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/10—Maintenance of mixers
    • B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
    • B01F35/146—Working under sterile conditions; Sterilizing the mixer or parts thereof
    • 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
    • B01F35/4111—Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting only one extremity of the shaft at the top of the receptacle
    • 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
    • B01F2101/22—Mixing of ingredients for pharmaceutical or medical compositions

Definitions

  • the invention relates to a stirrer with a rotatable agitator shaft in a container, are arranged on the stirrers, and with a located outside of the container drive unit for the agitator shaft.
  • agitators are eg off US 2007/0053238 and DE 202009006840 U known.
  • the agitator shaft led out of the container is connected to the drive shaft of a separately constructed drive unit, which consists of the actual drive motor and a gear which reduces the speed of the drive motor to the speed required for the agitator.
  • a separately constructed drive unit which consists of the actual drive motor and a gear which reduces the speed of the drive motor to the speed required for the agitator.
  • Junctions between units are always vulnerable to dirt and impurities, they are usually difficult to access and thus difficult to clean and even more difficult to keep sterile.
  • a source of contamination forms e.g. also the transmission oil required for a transmission;
  • the cooling fins of an engine are prone to sedimentation.
  • the object of the invention is to provide such an agitator with a drive unit and connect, that places that are avoided for deposits and impurities and, where possible, their sources and the agitator as a whole, including its drive unit, high requirements Sterility, as they are, for example, but not only made in the pharmaceutical industry, meet the necessary maintenance and cleaning work to make the sterility easier to carry out and less frequent.
  • the drive unit is to be scaled down and optimized for sterilization.
  • the agitator shaft is led out of the agitator tank;
  • the drive unit is mounted on the protruding from the agitator tank part of the agitator shaft and fixedly connected to the pierced by the agitator shaft container wall;
  • the bearings of the agitator shaft and the seal of the interior of the agitator vessel in the region of the implementation of the agitator shaft are integrated through the container wall in the drive unit.
  • the agitator shaft is therefore also the drive shaft of the drive unit and can e.g. also be integrally formed with her.
  • the drive unit has a drive motor which is mounted on the part of the agitator shaft led out of the agitator vessel and held between a lower and an upper bearing flange and is fixedly connected to the container wall.
  • bearings of the agitator shaft are arranged directly above and below the drive motor in bearing flanges in recesses provided for this, these bearings are integrated into the drive unit, which contributes to a compact, space-saving design and whereby a good storage of the agitator shaft is achieved.
  • the agitator preferably has gas-tight power supply lines to the drive motor.
  • a first bearing of the agitator shaft is directly below the drive motor and a second bearing is also arranged below the drive motor at the optimized distance from the first bearing, and a split pot is arranged between the rotor and stator, through which the agitator container is hermetically sealed.
  • the containment shell may consist of a fiber-reinforced plastic or high-alloyed stainless steel.
  • the drive motor is a torque motor; while the rotor carrying the permanent magnets can be fixedly connected to the part of the agitator shaft protruding from the agitator vessel via a bush by a shrink disk or a clamping ring, and its stator carrying the windings can be held between the bearing flanges.
  • a torque motor is a gearless direct drive with high torque and relatively low speeds and is ideally suited for precise direct drives, its speed can be easily adjusted to a desired or required speed easily. Since there is no gear, no gear oil is needed and so excluded a source of pollution. He also meets a small, space-saving design.
  • the drive or torque motor may be enclosed by a cylindrical housing which is fixedly connected to the bearing flanges and whose outer surface is flush with the outer surfaces of the bearing flanges.
  • annular adapter plate surrounding the agitator shaft leading out of the agitator vessel can be fixedly connected to the container, preferably by screwing.
  • the upper bearing flange, the housing of the drive motor and the lower bearing flange can be firmly connected by means of screws passing through them with the adapter plate. If the outer surfaces of the bearing flanges, the housing and the adapter plate are aligned with each other, a closed, interrupted only by sealing rings outer surface can be formed, with which sterility can be easily produced.
  • a mounting plate may be disposed between the adapter plate and the lower bearing flange, which is fixedly connected by the screws to the lower bearing flange and the adapter plate and whose outer surface is aligned with the outer surfaces of the adapter plate, the lower and upper bearing flange and the housing, so that Together they form a closed, interrupted only by sealing rings outer surface.
  • the adapter plate is sealed against the container wall and against the mounting plate or the lower bearing flange by seals and the mounting plate or the lower bearing flange is sealed against the agitator shaft.
  • the sealing of the interior of the agitator tank is integrated into the drive unit.
  • the drive unit can be sealed upwards by a cover, and with this cover, a supply unit can be connected, which thus forms a structural unit with the drive unit and has supply lines for gaseous and / or liquid media.
  • the feeder unit is included in the compact, space-saving overall construction.
  • the feed unit can be a rotary feedthrough.
  • Fig. 1 shows an inventive agitator with the agitator 1, the rotatable agitator shaft 2, which alternately wears blades in a plurality of planes 3 and 4 gassing.
  • One of the number of gassing elements 4 corresponding number of bushings 5 in the agitator shaft 2 lead from above to the gassing elements 4; Gaseous and / or liquid media are thus introduced from above through the passages 5 and via the gassing elements 4 into the container 1.
  • the agitator shaft 2 may also be a hollow shaft, from the cavity then branches lead to the gassing elements 4. For a uniform fumigation in the entire agitator 1 but an individual gas supply to the gassing 4 in the different levels of advantage.
  • the agitator 1 is in the illustrated embodiment, initially above and preferably open over its entire diameter and is sealed by a container lid 6, whose diameter is then equal to the diameter of the agitator tank 1; In any case, to be closed by the container lid 6 opening of the agitator tank 1 should be large enough so that the agitator shaft 2 can be introduced together with the already mounted on her agitator blades 3 and gassing elements 4 during assembly through this opening.
  • the agitator shaft 2 is led out through the container lid 6, which forms part of the container wall, and the drive unit or the drive motor 9 of the agitator is mounted directly on the part of the agitator shaft 2 protruding from the agitator vessel 1 and screwed to the container lid 6 by screw connections 8 connected.
  • Agitator shaft 2 and drive shaft of the drive motor 9 of the drive unit are thus formed as a one-piece component.
  • Concentrically arranged above the drive unit or the drive motor 9 is the supply unit 7 for gaseous and / or liquid media, which likewise encloses the outgoing agitator and drive shaft 2 and is preferably firmly connected to the drive unit or the drive motor 9.
  • the drive motor 9 is advantageously a torque motor 9. This has the advantage that it can be used as a gearless direct drive. It can be down-regulated to a favorable for a stirrer, low speed and has a desired, high torque. Since a gearbox is not available, no gear oil is needed, which could be a source of contamination or impurities.
  • rotor 10 of the torque motor 9 is supported by a bushing 11 by means of a Shrink disc 12 or alternatively by means of a clamping ring (not shown) with the agitator shaft 2, which is also the drive shaft of the torque motor 9, connected.
  • the stator 13 carrying the windings of the torque motor 9 is held between bearing flanges 14, 14 ', which are sealed against the agitator shaft 2 brought out of the container 1.
  • the drive or torque motor 9 is enclosed by a cylindrical housing 15 which rests sealed on the lower bearing flange 14. On the housing 15 in turn is also sealed the upper bearing flange 14 'on.
  • the bearings 22 of the agitator shaft 2, preferably deep groove ball bearings, are also integrated according to the invention in the drive unit 9, are outside of the agitator 1 and are immediately above and below the drive or torque motor 9 in designated recesses 23 of the bearing flanges 14, 14th 'arranged and sealed.
  • a containment shell may preferably consist of fiber-reinforced plastic or high-alloyed stainless steel.
  • the power supply of the drive motor via gas-tight power supply lines.
  • a rotary feedthrough 24 forming the feed unit 7 is mounted on the cover 20 terminating the drive unit or the drive motor 9 and consisting of a plurality of superimposed assembly disks 25 surrounding the agitator shaft 2, which seals against each other and against the agitator shaft 2 are and have in the passages 5 of the agitator shaft 1 opening leads 26 for the introduced into the agitator 1 gaseous and / or liquid medium.
  • the passages 5 through the agitator shaft 2 are closed at the upper ends by plugs 27.
  • a cover 28 closes the rotary leadthrough 24 altogether tightly upwards.
  • the medium to be introduced is introduced through the feed unit 7 and through the drive unit or the drive motor 9 into the agitator vessel 1.
  • the outer surfaces of the drive unit 9, so the housing 15, the bearing flanges 14, 14 ', the adapter plate 16, the mounting plate 18 and the cover 20 together with the outer surfaces of the feed unit 7 and the mounting plates 25 of the rotary feedthrough 24 a smooth, closed, interrupted only by sealing rings, sterile or slightly sterile surface to be held;
  • these components are made of stainless steel.
  • the entire drive unit 9 with integrated bearing 22 for the agitator shaft 2 and integrated sealing of the interior of the agitator tank 1 on the container lid 6 and the agitator shaft 2 together with the feed unit 7 on the later from the agitator tank 1 outstanding Part of the agitator shaft 2 are mounted and bolted via the adapter plate 16 with the container lid 6 firmly.
  • the stirring blades 3 and the gassing elements 4 can advantageously be mounted outside the agitator vessel 1 on the agitator shaft 2. Only then is the agitator shaft 2 with the mounted agitator blades 3 and gassing elements 4 introduced to the stop of the container lid 6 on the container wall in the agitator tank 1 and the agitator tank 1 with the container lid 6 sealed.
  • two conical seats on the agitator shaft 2 and also two conical seats in the hub of the elements can preferably be turned on for each of the elements.
  • the hubs can be pressed axially onto the agitator shaft 2 mechanically.
  • the conical seats have a self-locking effect. The torque of the drive motor is completely transferred.
  • the stirrer according to the invention is particularly suitable for use in highly sterile processes. If required, the entire interior space can be cleaned in a highly sterile manner, for example by means of steam, which can also be introduced through the feed unit 7. By using only stainless steel for the entire agitator including the feed unit 7, the agitator can be heated as a solid mixer, unheated or cooled or used as a dryer (heated).

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Accessories For Mixers (AREA)

Claims (14)

  1. Mélangeur comprenant un arbre de mélangeur (2) pouvant tourner dans un récipient de mélangeur (1), sur lequel sont disposés des organes mélangeurs (3), comprenant une unité d'entraînement pour l'arbre de mélangeur située à l'extérieur du récipient de mélangeur, l'arbre de mélangeur étant guidé hors du récipient de mélangeur, l'unité d'entraînement (9) étant montée sur la partie de l'arbre de mélangeur (2) faisant saillie hors du récipient de mélangeur (1), et étant connectée fixement à la paroi de récipient traversée par l'arbre de mélangeur (2), caractérisé en ce que les paliers (22) de l'arbre de mélangeur (2) et le joint d'étanchéité (19) de l'espace interne du récipient de mélangeur (1) dans la région du passage de l'arbre de mélangeur (2) à travers la paroi de récipient sont intégrés dans l'unité d'entraînement (9).
  2. Mélangeur selon la revendication 1, caractérisé en ce que l'unité d'entraînement (9) présente un moteur d'entraînement (9) qui est monté sur la partie de l'arbre de mélangeur (2) guidée hors du récipient de mélangeur (1) et qui est maintenu entre une bride de palier inférieure et une bride de palier supérieure (14, 14') et qui est connecté fixement à la paroi de récipient ou au couvercle de récipient (6).
  3. Mélangeur selon la revendication 2, caractérisé en ce que les paliers (22) de l'arbre de mélangeur (2) sont disposés directement au-dessus et en dessous du moteur d'entraînement (9) dans les brides de palier (14, 14') dans des évidements prévus à cet effet.
  4. Mélangeur selon la revendication 1, caractérisé par des alimentations en courant étanches aux gaz vers le moteur d'entraînement (9).
  5. Mélangeur selon la revendication 2, caractérisé en ce qu'un premier palier de l'arbre de mélangeur (2) est disposé directement en dessous du moteur d'entraînement (9) et un deuxième palier est disposé également en dessous du moteur d'entraînement (9) à une distance optimisée par rapport au premier palier, et en ce qu'un pot fendu est disposé entre le rotor et le stator, par le biais duquel le récipient de mélangeur (1) est fermé hermétiquement.
  6. Mélangeur selon la revendication 5, caractérisé en ce que le pot fendu se compose d'un plastique renforcé par des fibres ou d'un acier spécial hautement allié.
  7. Mélangeur selon la revendication 2, caractérisé en ce que le moteur d'entraînement (9) est un moteur couple (9), en ce que son rotor (19) portant les aimants permanents est connecté fixement par le biais d'une douille (11) par un disque de retrait (12) ou une bague de serrage à la partie de l'arbre de mélangeur (2) faisant saillie hors du récipient de mélangeur (1) et son stator (13) portant les enroulements est maintenu entre les brides de palier (14, 14').
  8. Mélangeur selon la revendication 2, caractérisé en ce que le moteur d'entraînement (9) est entouré par un carter cylindrique (15) qui est connecté fixement aux brides de palier (14, 14') et dont la surface extérieure est en affleurement avec les surfaces extérieures des brides de palier (14 14').
  9. Mélangeur selon la revendication 2, caractérisé en ce qu'une plaque d'adaptateur (16) de forme annulaire entourant l'arbre de mélangeur (2) guidé hors du récipient de mélangeur (1) est connectée fixement au récipient de mélangeur (1) par des vissages (8), en ce que la bride de palier supérieure (14'), le carter (15) du moteur d'entraînement (9) et la bride de palier inférieure (14) sont connectés fixement à la plaque d'adaptateur (16) au moyen de vis (17) traversant ceux-ci et en ce que les surfaces extérieures des brides de palier (14, 14'), du carter (15) et de la plaque d'adaptateur (16) sont en affleurement les unes avec les autres ou forment une surface extérieure fermée, interrompue uniquement par des bagues d'étanchéité.
  10. Mélangeur selon la revendication 9, caractérisé en ce qu'entre la plaque d'adaptateur (16) et la bride de palier inférieure (14) est disposée une plaque de montage (18), laquelle est connectée fixement par les vis (17) à la bride de palier inférieure (14) et à la plaque d'adaptateur (16) et dont la surface extérieure est en affleurement avec les surfaces extérieures de la plaque d'adaptateur (16), avec la bride de palier inférieure et la bride de palier supérieure (14, 14') et avec le carter (15) et forme avec ceux-ci une surface extérieure fermée, interrompue uniquement par des bagues d'étanchéité.
  11. Mélangeur selon la revendication 10, caractérisé en ce que dans la région du passage de l' arbre de mélangeur (2) à travers la paroi de récipient, la plaque d'adaptateur (16) est étanchéifiée vis-à-vis de la paroi de récipient et vis-à-vis de la plaque de montage (18) ou de la bride de palier inférieure (14) par des joints d'étanchéité (19) et la plaque de montage (18) ou la bride de palier inférieure (14) est étanchéifiée par rapport à l'arbre de mélangeur (2).
  12. Mélangeur selon la revendication 1, caractérisé en ce que l'unité d'entraînement (9) est fermée hermétiquement vers le haut par un couvercle (20) et une unité d'alimentation (7) est connectée au couvercle (20), laquelle forme une unité structurelle avec l'unité d'entraînement (9) et présente des conduites d'amenée (26) pour des milieux gazeux et/ou liquides.
  13. Mélangeur selon la revendication 12, caractérisé en ce que l'unité d'alimentation (7) est un passage tournant.
  14. Mélangeur selon la revendication 1, caractérisé en ce que pour chaque organe mélangeur devant être monté sur l'arbre de mélangeur (2), deux sièges coniques sur l'arbre de mélangeur (2) et deux sièges coniques dans le moyeu de chaque organe mélangeur sont tournés.
EP11717927.5A 2010-02-22 2011-02-19 Mélangeur Not-in-force EP2539061B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010008822A DE102010008822A1 (de) 2010-02-22 2010-02-22 Rührwerk
PCT/DE2011/000151 WO2011100962A1 (fr) 2010-02-22 2011-02-19 Mélangeur

Publications (2)

Publication Number Publication Date
EP2539061A1 EP2539061A1 (fr) 2013-01-02
EP2539061B1 true EP2539061B1 (fr) 2013-12-25

Family

ID=44260766

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11717927.5A Not-in-force EP2539061B1 (fr) 2010-02-22 2011-02-19 Mélangeur

Country Status (5)

Country Link
EP (1) EP2539061B1 (fr)
DE (1) DE102010008822A1 (fr)
DK (1) DK2539061T3 (fr)
ES (1) ES2454550T3 (fr)
WO (1) WO2011100962A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112013002061B4 (de) * 2012-04-16 2020-07-23 The Procter & Gamble Company Fluidsysteme und Verfahren für die Übertragung eigenständiger Artikel

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2511476A (en) * 2012-12-07 2014-09-10 Thomas Andreas Guenther Device and system for hydrocarbon conversion
EP3083023A1 (fr) 2013-12-17 2016-10-26 Bayer Cropscience LP Systèmes de mélange, procédés, et dispositifs avec roues extensibles
CN105065678A (zh) * 2015-08-21 2015-11-18 江苏新美星包装机械股份有限公司 一种搅拌轴密封装置
CN110538590B (zh) * 2019-09-29 2024-06-28 蚌埠凯盛工程技术有限公司 垂直搅拌器的搅拌机构
CN111773937A (zh) * 2020-07-20 2020-10-16 芜湖华洁环保设备有限公司 一种可自动供料的双轴加湿搅拌装置
CN112678993A (zh) * 2020-12-24 2021-04-20 陕西鸿昊环保有限公司 一种臭氧催化氧化污水处理装置

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Publication number Priority date Publication date Assignee Title
JPS59162934A (ja) * 1983-03-09 1984-09-13 Hitachi Ltd 撹拌翼の取付位置可変装置
DE3637863A1 (de) * 1986-11-06 1988-05-19 Horst Haering Ruehrvorrichtung
US7547135B2 (en) * 2005-09-07 2009-06-16 Spx Corporation Disposable sanitary mixing apparatus and method
DE102008025508A1 (de) * 2008-05-28 2009-12-03 Sartorius Stedim Biotech Gmbh Mischsystem

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112013002061B4 (de) * 2012-04-16 2020-07-23 The Procter & Gamble Company Fluidsysteme und Verfahren für die Übertragung eigenständiger Artikel

Also Published As

Publication number Publication date
WO2011100962A1 (fr) 2011-08-25
DE102010008822A1 (de) 2011-08-25
EP2539061A1 (fr) 2013-01-02
ES2454550T3 (es) 2014-04-10
DK2539061T3 (da) 2014-03-31

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