EP1470856A1 - Agitateur pur mélanger, homogénéiser et disperser - Google Patents

Agitateur pur mélanger, homogénéiser et disperser Download PDF

Info

Publication number: EP1470856A1
Authority: EP; European Patent Office
Prior art keywords: stirrer; head; bearing; pin; stirrer head
Prior art date: 2003-04-24
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

EP04002872A

Other languages

German (de)

English (en)

Other versions

EP1470856B1 (fr

Inventor

Hermann Dr. Schindler

Andreas Burth

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.)

2003-04-24

Filing date

2004-02-10

Publication date

2004-10-27

2004-02-10 Application filed by Mavag Verfahrenstechnik AG filed Critical Mavag Verfahrenstechnik AG

2004-10-27 Publication of EP1470856A1 publication Critical patent/EP1470856A1/fr

2006-08-23 Application granted granted Critical

2006-08-23 Publication of EP1470856B1 publication Critical patent/EP1470856B1/fr

2024-02-10 Anticipated expiration legal-status Critical

Status 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
- B01F33/4534—Magnetic mixers; Mixers with magnetically driven stirrers using supported or suspended stirring elements using a rod for supporting the stirring element, e.g. stirrer sliding on a rod or mounted on a rod sliding in a tube
- 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 stirrer for combining substances of fluid phases, consisting of a rotatably mounted by means of a bearing stirrer head Stirring tool, as well as with a clutch for non-contact, inductive or magnetic, drive the stirrer head and a, for example, in a Container, fixed containment shell for receiving the drive-side coupling part, wherein Means are provided for securing the stirrer head before lifting off axially.
the invention relates to a method for safe installation of a stirrer in a container.
a stirrer for stirring sterile liquids is known, for example, from DE 42 32 936 C2 known.
the stirrer head described is on one, on the split pot mounted peg floating. This has the disadvantage that only Stirring tools can be provided on the stirrer head, either a cause radial outflow of the liquid to be stirred or axial Flow component of the liquid cause upward, so that the stirrer head is pressed by a hydraulic axial force in the direction of the split pot.
the stirrer head would lift off the containment shell. This However, when striking the stirrer on the container wall to Damage and failure of the agitator lead.
the invention is therefore based on the object to propose a stirrer, the especially for use in the pharmaceutical industry and the food industry suitable is.
stirrer head of the split pot bottom is secured before axial lifting.
the stirrer head is fixed almost axially.
the Means for securing the stirrer head take the axially upward, on the Stirrer head acting axial force.
the backup of Stirrer head before axial lifting be designed so that the stirrer head in a certain range is axially displaceable. This certain game may be necessary be sufficient lubrication of the bearing and the balance of Allow thermal expansion.
the inventive design of the stirrer it is possible even one Stirrer head with stirring tool for generating an axial flow in both To operate directions of rotation. This extends the process engineering area of application considerably. Furthermore, it is possible to use the stirrer according to the invention itself increased safety requirements, for example when working in hazardous areas.
Means for securing the stirrer before axially lifting a screw arranged is, for example, from the split pot bottom forth in a pin provided internal thread is screwed.
the Stirrer head, the bearing, the containment shell and the means for securing the Stirrer head are designed as a unit. This makes it possible to To introduce preassembled unit in the container and the Spalt pot front from the outside to fix and secure.
This procedure is special advantageous because the mostly made of ceramic bearings in the conventional Assembly in which the stirrer head with bearing bushing is mounted on a gap pot Bearing sleeve is placed, can take damage. Since the stirrer head at Stirrer according to the invention is part of a structural unit, this no longer has to be individually be applied in the container. Thus, the bearings in the assembly considerably spared.
the bearing is arranged above the containment shell is and is designed in particular as a combination of axial and radial bearings.
the stirrer head can be operated in both directions, it is necessary that The axial forces of the stirrer are absorbed in both directions and into the containment shell can be directed.
a pin is arranged with a head wherein the pin, the bearing, preferably centrally, penetrates and indirectly or is fixed directly on the split pot and the pin head, the axial forces of the Can accommodate stirrer head.
the pin head is virtually the counterpart to the Front side of the can.
the front side of the containment shell absorbs the axial forces Slit pot direction and the pin head takes the axial forces in opposite Direction up. Which force component is working depends on the training of the Stirrer and the direction of rotation of the stirrer head from. If the pin is the entire bearing penetrates, it is possible the pin from the split-pot bottom to fix on the containment shell and secure.
the Pin does not penetrate the entire camp, but only in a storage core bolted or anchored in any other way.
an upper contact surface for the stirrer head, for receiving the upward axial force component is formed, wherein this contact surface, in an advantageous embodiment - the pin head, indirectly or is attached directly to the containment shell or a stationary component.
the bearing as a product-lubricated sliding bearing with a mounted in the stirrer head, preferably shrunk bearing bush and a bearing sleeve running therein, wherein the pin the bearing sleeve, preferably centric, penetrates and the lower annular surface of the pin head the upper end surface of the bearing bush at least partially covered.
the cover is necessary so that the lower ring surface of the pin head, the axial forces of can accommodate the stirrer head connected bearing bush.
the tang head forms So a contact surface for the bearing bush. It is conceivable that the lower Ring surface of the pin head is spaced from the bearing bush. As a result, a certain mobility of the stirrer head in the axial direction reached.
the pin can serve as the sole hub of the camp, the of the Bearing sleeve is concentrically enclosed. This has the great advantage that the Fixation of the pin can be done from the Spalttopfunterseite ago.
the bearing sleeve does not directly surround the pin, but an additional metal sleeve connected to the containment shell is provided.
the pin does not necessarily penetrate the metal sleeve completely, but can be anchored directly in the metal sleeve.
the real one Bearing sleeve is then arranged concentrically to the metal sleeve. Since the warehouse is in Product room is lying and product lubricated, the resulting minimum Frictional heat dissipated through the product. For a sufficient lubricating film between the bearing sleeve and bearing bush is characterized by the flow profile and the oscillating movement in the concentric cavity between stirrer head and Gap pot taken care of.
the bearing sleeve below the pin head with a collar is formed and a contact surface for the upper end of the Bearing bush forms.
the contact surface provides for the absorption of the axial forces of the Stirrer.
the formed with a collar bearing sleeve is at the outer edge of lower annular surface of the pin head relative to this by means of an O-ring sealed. This avoids placing the product in the space between Bearing sleeve and pin can penetrate.
the direction of the gap pot axial forces of the stirrer head can be included, below the bearing bush a contact surface for provided the lower end side of the bearing bush.
the pin is at its lower End rotatably connected to the containment shell.
an axial fuse be attached.
the bearing bush at least one Having connection opening, and the means for supplying liquid through this connection opening are provided. So it is possible that from the inside of the Split pot made a line through the pin to the connection opening is. Through this, a liquid in the space between the bearing sleeve and bearing bush are introduced.
the Bearing bush is divided into two, or that at least two in the axial Direction stacked bushings are provided, and that means for feeding fluids, especially lubricants but also Cleaning fluids, provided in the space between the sockets are.
a concentric, preferably as a guide tube trained, stator is provided.
a rotor-stator system as Leitstrahlmischer or dispersing. While that Mixing of liquid components with not very different Viscosities is still very simple, but so does the claim to the mixing element with increasing density and viscosity difference. While at a typical axial or radial stirrer low dissipation ratios, i. a Unequal distribution of the energy input in the process space is aimed at is To achieve a local high energy input to a rotor-stator system certain mixing and dispersing effects possible.
a dispersing effect to be achieved is provided with advantage that in addition to the agitator a concentric shearing ring is provided, which with the Agitator is arranged rotating and that concentric to this Scherkranz a further Scherkranz is provided on the stator. It is possible that the stator as a combination between the guide tube and the shearing ring or as the sole shearing ring is trained. The shear gradient increases with decreasing distance between the two wreaths.
the use of this development according to the invention is suitable especially with highly miscible liquid components.
the pin is formed by the containment shell, or with this is integrally connected, wherein the pin has a vertical through hole has and above the pin a mounting washer with internal thread is provided, wherein the mounting plate is arranged so that they Axial member of the stirrer receives and through the through hole of the Spalttopfunterseite ago a screw is inserted into the internal thread of the Fixing washer is screwed and thus fixed the stirrer head on the containment shell and thus prevents axial lifting.
Such an embodiment is with pins with Small diameters not possible, because then the screw too small Cross section would have.
the design has the advantage that on the O-ring below the lower thrust washer, can be dispensed with.
the subject of the invention is a method for safe installation of a Stirrer in a container. So far, it was common to the containment shell in the container fix. Thereafter, the bearing sleeve was applied, whereupon the stirrer head with Bushing was placed. Since the camp is usually made of ceramic, can This procedure often leads to damage to the bearing.
a stirrer 1 is capable of being sterilized for stirring Liquids shown.
the stirrer 1 consists of a stirrer head 2, which is rotatably supported by a bearing 3.
a stirring tool 4th intended. In this embodiment, these are stirring tools 4 for generating an axial flow.
a coupling 5 for non-contact drive of the stirrer head. 2 intended.
it is a magnetic coupling 5 with a drive-side coupling part 6, which is designed as a drive magnet is and a concentrically arranged secondary coupling part. 7
the drive magnet 6 is in communication with a drive shaft, which in turn with the drive, in particular an electric motor is connected.
the drive-side coupling part 6 is arranged within a split pot 8.
the containment shell 8 is designed as a Einsteckflansch. Of the Einsteckflansch was introduced from the container interior in a mounting flange 9 and fixed at its lower end by means of a securing ring 10. Of the Mounting flange 9 is welded in the container 11. The plug-in flange is opposite the mounting flange circumferentially sealed by means of an O-ring 12.
the containment shell is designed as a weld-in flange. This is welded directly to the container. On the O-ring 12 and the Circlip 10 can be dispensed with advantage.
the bearing 3 is as a product-lubricated ceramic or High performance plastic plain bearings trained. However, it is also conceivable For example, use a ceramic ball bearing or roller bearings.
the bearing consists of a shrunk in the stirrer head 2 ceramic bushing 13 and a bearing sleeve 14 running therein, also made of ceramic.
a pin 15 is guided with a head 16. Of the Pin 15 forms the hub of the bearing 3.
the pin 15 has at its lower end an anti-rotation and is in the containment shell 8, from below by means of a screw fixed.
the lower annular surface 18 of the pin head 16 projects beyond the upper end side 19th the bearing bush 13.
the bearing sleeve 14 is formed with a collar, which serves as a contact surface for the upper Front side 19 of the bearing bush 13 is used.
the bearing sleeve 14 is in turn at the supported lower ring surface 18 of the pin head 16 and against this means sealed an O-ring 20.
Opposite the face is one Thrust washer 21 for receiving the oppositely acting axial forces of the Stirrer head 2 is provided.
Bearing sleeve, bearing bush and thrust washer are off Ceramics made.
the bearing 3, the stirrer head 2, and the pin 15 are formed as a unit, this unit from the Container interior ago by means of the Einsteckflansches 8 through the mounting flange. 9 guided and fixed by means of the securing ring 10. This leaves one Damage to bearings 3 during assembly.
a cavity 22 is provided which is designed to be open at the bottom. Furthermore, leading into the cavity 22 Openings 23 are provided.
This airfoil provides lubricant lubrication for lubrication Plain bearing 3.
FIG 2 is also an inventive stirrer 1 with bearing 3, agitator 4 and a clutch for non-contact drive of the stirrer head 2 shown.
a stator 24 is provided, which in his upper area is designed as a guide tube.
FIG. 3 likewise shows a stirrer 1 with stirrer head 2 and bearing 3.
the bearing 3 includes two stacked in the axial direction bearing bushes (13, 13 ').
There is a line 27 is provided, by means of a pump, not shown Liquids, in particular of lubricating and rinsing liquids, in the intermediate space between the bushes (13, 13 ') and thus also be introduced into the bearing gap can.
the feed is to be adapted constructively depending on the size of the stirrer.
the Wiring can be from above, through the container, or from below, for example, by the flange.
FIG. 4 shows a large stirrer 1, the pin 15 having a larger diameter Diameter than the pins of the stirrer in Figures 1 to 3.
the pin 15 is formed in this embodiment by the split pot 8.
In the pin 15 is a central, vertical through hole 28 is provided. Above the Spigot is a resting on this mounting plate 29 with internal thread 30 provided.
the mounting plate 29 projects beyond the upper end face of Bearing bush 13, whereby it is an axial force component of the stirrer head can record.
Through the through hole 28 is from the split pot bottom her a screw 31 out, in the internal thread 30 of the mounting plate 29 is screwed and thus the stirrer head 2 fixed to the split pot 8 and so against axial lifting secures. Also in this embodiment, therefore, the Securing against axial lifting from the lower side of the containment shell.
Locking pin 32 To prevent twisting of the mounting plate 29 is between pins 15 and fixing plate 29 a locking pin 32 is provided. Of the Locking pin 32 comes with advantage not in contact with product.

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Mixers Of The Rotary Stirring Type (AREA)
Accessories For Mixers (AREA)
Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
Paints Or Removers (AREA)

EP04002872A 2003-04-24 2004-02-10 Agitateur pour mélanger, homogénéiser et disperser Expired - Lifetime EP1470856B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE10318599		2003-04-24
DE10318599A DE10318599A1 (de)	2003-04-24	2003-04-24	Rührer zum Mischen, Homogenisieren und Dispergieren

Publications (2)

Publication Number	Publication Date
EP1470856A1 true EP1470856A1 (fr)	2004-10-27
EP1470856B1 EP1470856B1 (fr)	2006-08-23

Family

ID=32946419

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP04002872A Expired - Lifetime EP1470856B1 (fr)	2003-04-24	2004-02-10	Agitateur pour mélanger, homogénéiser et disperser

Country Status (3)

Country	Link
EP (1)	EP1470856B1 (fr)
AT (1)	ATE337086T1 (fr)
DE (2)	DE10318599A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2005017A1 (fr) *	2006-03-10	2008-12-24	Borealis Technology Oy	Palier hybride
CN102658046A (zh) *	2012-05-17	2012-09-12	慈溪特卡夫电器有限公司	一种搅拌装置及带此装置的奶泡机
CN108176316A (zh) *	2018-03-12	2018-06-19	成都英德生物医药设备有限公司	一种下磁悬浮搅拌设备
CN108435051A (zh) *	2018-05-18	2018-08-24	上海森松制药设备工程有限公司	搅拌器
EP3505233A1 (fr) *	2017-09-11	2019-07-03	Typhoon Group B.V.	Dispositif pour agiter des liquides et des mélanges de liquides
US10357748B2 (en)	2014-03-28	2019-07-23	Asepco	Magnetically coupled mixer with thrust bearing friction control
US11065589B2 (en)	2018-12-10	2021-07-20	Pall Corporation	Radially driven agitator

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7396153B2 (en) *	2005-04-05	2008-07-08	Andersson Per-Olof K	Ultraclean magnetic mixer
DE102007054233B4 (de) *	2007-11-12	2010-06-10	Ika-Werke Gmbh & Co. Kg	Vorrichtung zum Dispergieren oder Homogenisieren
DE102009021992B3 (de) *	2009-05-19	2010-12-09	PRG Präzisions-Rührer GmbH	Magnetrührwerk
DE102015106566B3 (de)	2015-04-28	2016-06-09	PRG Präzisions-Rührer GmbH	Antriebseinheit für ein Rührwerk und Rührwerk
DE102016103968B4 (de)	2016-03-04	2019-01-17	Alexander Westphal	Rührer, insbesondere Leitstrahlmischer und Rühreinrichtung umfassend einen Rührer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2185862A (en) *	1985-12-11	1987-07-29	Chem Plant Stainless Limited	Mixing vessel
US4993841A (en) *	1987-02-05	1991-02-19	Steridose Systems Ab	Magnetic impeller means for a mixing vessel
US5393142A (en) *	1992-10-01	1995-02-28	Mavag Verfahrenstechnik Ag	Impeller for stirring sterile liquids
US6065865A (en) *	1998-06-05	2000-05-23	Mixel	Magnetically driven agitator with magnetic rotation detector
DE20114076U1 (de) *	2001-08-29	2001-10-25	Hebold Gmbh & Co Kg App Und An	Homogenisator, insbesondere für den Boden eines Misch- und Rührbehälters

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
LU52417A1 (fr) *	1965-11-26	1967-01-23
IT1225238B (it) *	1988-09-23	1990-11-02	Co Ra Di Lardieri Salvatore	Gruppo di agitazione a trascinamento magnetico
DE4232935C2 (de) *	1992-10-01	1996-03-28	Mavag Verfahrenstech Ag	Magnetrührwerk
DE4310266A1 (de) *	1993-03-30	1994-10-06	Draiswerke Gmbh	Mischer
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

2003
- 2003-04-24 DE DE10318599A patent/DE10318599A1/de not_active Withdrawn
2004
- 2004-02-10 DE DE502004001234T patent/DE502004001234D1/de not_active Expired - Fee Related
- 2004-02-10 EP EP04002872A patent/EP1470856B1/fr not_active Expired - Lifetime
- 2004-02-10 AT AT04002872T patent/ATE337086T1/de not_active IP Right Cessation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2185862A (en) *	1985-12-11	1987-07-29	Chem Plant Stainless Limited	Mixing vessel
US4993841A (en) *	1987-02-05	1991-02-19	Steridose Systems Ab	Magnetic impeller means for a mixing vessel
US5393142A (en) *	1992-10-01	1995-02-28	Mavag Verfahrenstechnik Ag	Impeller for stirring sterile liquids
US6065865A (en) *	1998-06-05	2000-05-23	Mixel	Magnetically driven agitator with magnetic rotation detector
DE20114076U1 (de) *	2001-08-29	2001-10-25	Hebold Gmbh & Co Kg App Und An	Homogenisator, insbesondere für den Boden eines Misch- und Rührbehälters

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2005017A1 (fr) *	2006-03-10	2008-12-24	Borealis Technology Oy	Palier hybride
CN102658046A (zh) *	2012-05-17	2012-09-12	慈溪特卡夫电器有限公司	一种搅拌装置及带此装置的奶泡机
US10357748B2 (en)	2014-03-28	2019-07-23	Asepco	Magnetically coupled mixer with thrust bearing friction control
EP3505233A1 (fr) *	2017-09-11	2019-07-03	Typhoon Group B.V.	Dispositif pour agiter des liquides et des mélanges de liquides
CN108176316A (zh) *	2018-03-12	2018-06-19	成都英德生物医药设备有限公司	一种下磁悬浮搅拌设备
CN108435051A (zh) *	2018-05-18	2018-08-24	上海森松制药设备工程有限公司	搅拌器
CN108435051B (zh) *	2018-05-18	2024-07-12	上海森松制药设备工程有限公司	搅拌器
US11065589B2 (en)	2018-12-10	2021-07-20	Pall Corporation	Radially driven agitator

Also Published As

Publication number	Publication date
EP1470856B1 (fr)	2006-08-23
DE502004001234D1 (de)	2006-10-05
DE10318599A1 (de)	2004-11-11
ATE337086T1 (de)	2006-09-15

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