EP0853491B1 - Malaxeur - Google Patents

Malaxeur Download PDF

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Publication number
EP0853491B1
EP0853491B1 EP96932587A EP96932587A EP0853491B1 EP 0853491 B1 EP0853491 B1 EP 0853491B1 EP 96932587 A EP96932587 A EP 96932587A EP 96932587 A EP96932587 A EP 96932587A EP 0853491 B1 EP0853491 B1 EP 0853491B1
Authority
EP
European Patent Office
Prior art keywords
kneading
shaft
kneader
shafts
elements
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
EP96932587A
Other languages
German (de)
English (en)
Other versions
EP0853491A1 (fr
Inventor
David Palmer
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.)
List AG
Original Assignee
List 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 List AG filed Critical List AG
Publication of EP0853491A1 publication Critical patent/EP0853491A1/fr
Application granted granted Critical
Publication of EP0853491B1 publication Critical patent/EP0853491B1/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
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
    • B01F27/701—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms comprising two or more shafts, e.g. in consecutive mixing chambers
    • B01F27/702—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms comprising two or more shafts, e.g. in consecutive mixing chambers with intermeshing paddles
    • 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
    • B01F35/90—Heating or cooling systems
    • B01F2035/99—Heating
    • 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
    • B01F35/90—Heating or cooling systems
    • B01F35/92—Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
    • 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
    • B01F35/90—Heating or cooling systems
    • B01F35/95—Heating or cooling systems using heated or cooled stirrers

Definitions

  • the invention relates to a mixer kneader for implementation of mechanical, chemical and / or thermal processes with at least two axially rotating shafts which each have at least two in the direction of rotation Waves of consecutive kneading and transport elements are located, in the axial direction of the respective shaft successive kneading and transport elements a gap adhere to each other, through which part of the kneading and Transport element on the other shaft passes through, and at least partially offset axially are arranged.
  • the present invention relates to a multi-spindle mixing and kneading machine, such as it is described, for example, in CH-A 506 322.
  • a multi-spindle mixing and kneading machine such as it is described, for example, in CH-A 506 322.
  • This ring just mentioned is, for example, according to DE-A-2012294 or also eliminated according to JP-A-63232828 in that in Direction of rotation of successive kneading and transport elements are axially offset from each other.
  • the present invention is based on the object Build waves easier and more flexible and at the same time to improve the cleaning options.
  • the shaft consists of individual Pipe sections exist, at least between each two rings are used, each of which is axial carry offset kneading and transport elements.
  • the entire shaft can be built up in sections. That means the waves are essentially single Pipe sections exist between which the rings to be ordered. Two adjacent rings can then still if necessary, be separated by an intermediate ring so that this determines the axial offset of the kneading bars. This axial offset should definitely be so large that he the gap of the two in the direction of rotation previous kneading bars covered.
  • Kneading and transport elements have not only that Kneading and transport function, but also the one mentioned above Cleaning function.
  • a kneading and transport element preferably consists of one radial support member and one on the circumference of the support member attached kneading bars.
  • the kneading bar can have a cross-section Ploughshare-like arrangement or with side wings disc-shaped, ring-shaped, sawtooth-like, wavy or only be designed as a strip.
  • Possibilities are conceivable and are within the scope of the present Invention.
  • the kneading and transport elements should go into the shaft to get integrated.
  • the kneading bars are then preferred to the welded radial support elements.
  • the speed ratio of the shafts and the direction of rotation of the shafts to coordinate with each other. It is possible to both the waves to operate in the same direction as well as in opposite directions.
  • the speed ratio of the shafts is reversed proportional to the ratio of the kneading / transport bars to choose the waves.
  • the number of bars is also like this to determine that with each shaft revolution the same Shaft transport bars are engaged with each other.
  • this invention makes a multi-spindle Mixing kneader created in which both housing inner walls be completely cleaned. This is the main one Advantage of the present invention, the effort for this transformation is very minor.
  • a mixer kneader P has a housing, which consists of several housing sections 1 a, 1 b and 1 c consists.
  • the housing sections are through with each other corresponding flange connections 2 coupled.
  • in the Housing section 1 a is a feed port 3 for an in the product to be treated in the mixing kneader and in the Housing section 1 c an outlet 4 for that treated product provided.
  • the product is transferred from the feed nozzle 3 to the outlet nozzle 4 by means of two shafts 5 and 6 and arranged thereon Kneading and transport elements 7 transported.
  • Kneading and transport elements 7 transported.
  • connections 9 and 10 For introducing a heating medium into waves 5 and 6 and from there, if necessary, into the Inside of the kneading and transport elements 7 are connections 9 and 10 by corresponding inlet and outlet nipples 11 and 12 for the heating medium guided by waves 5 and 6 arranged.
  • Appropriate management of the heating medium in Shell surfaces of waves 5 and 6 and a corresponding one Return through the outlet nipple 12 are the state of the Technology and are therefore not described further.
  • the cleaning shaft 6 according to FIGS. 4 and 5 is also off Pipe sections 30.1 assembled, two in axial Direction of the cleaning shaft 6 successive pipe sections 30.1 between each two rings 31.1 and 32.1 as well if necessary, take up an intermediate ring 36.1.
  • Kneading and transport element 7.1 which also consists of one radial support element 35.1 and a placed thereon Kneading bars 34.1.
  • the kneading bars 34.1 or radial Supporting elements 35.1 of two rings 31.1 belonging together and 32.1 are in turn offset in the axial direction arranged so that gaps 37.1 and 37.2 axially are offset.
  • the operation of the present invention will explained in particular with reference to FIGS. 6 and 7.
  • the speed of rotation regulated in such a way that those turning and Combing the transport elements 7 and 7.1, which in Direction of rotation follow each other in an axially offset Level.
  • This ensures that of the respective kneading bars 34 and 34.1 also all gaps 37, 37.1 and 37.2, respectively, so that here no ring or even a ring on the inside of the housing annular torus can build.
  • the ratio of the number of kneading and transport elements 7 to the kneading and transport elements 7.1 on the cleaning shaft 6 is usually an integer multiple, but is the ratio 6: 4 is also possible, for example.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Accessories For Mixers (AREA)
  • Disintegrating Or Milling (AREA)
  • Crushing And Grinding (AREA)

Claims (6)

  1. Malaxeur pour la mise en oeuvre de processus mécaniques, chimiques et/ou thermiques, comportant au moins deux arbres (5, 6) tournant à axes parallèles, portant chacun au moins deux éléments de malaxage et de transport (7, 7.1) se faisant suite dans le sens de rotation des arbres (5, 6), les deux éléments de malaxage et de transport (7 ou 7.1) laissant entre eux dans la direction axiale de l'arbre (5, 6) un intervalle (37, 37.1, 37.2) à travers lequel circule une pièce (35) de l'élément de malaxage et de transport (7.1 ou 7) montée sur l'autre arbre (5, 6), ces éléments étant au moins partiellement décalés axialement,
    caractérisé en ce que
    l'arbre (5, 6) est composé d'éléments tubulaires (30) distincts, entre lesquels sont insérés chaque fois au moins deux anneaux (31, 32) portant chacun les éléments de malaxage et de transport (7, 7,1) décalés axialement.
  2. Malaxeur selon la revendication 1,
    caractérisé en ce qu'
    un élément de malaxage et de transport (7, 7.1) est composé d'un élément porteur radial (35, 35.1) et d'une barrette de malaxage (34, 34.1) montée sur la périphérie de l'élément porteur (35, 35.1).
  3. Malaxeur selon la revendication 2,
    caractérisé en ce que
    l'élément porteur radial (35, 35.1) est relié à l'anneau (31, 32), de préférence d'une seule pièce avec lui.
  4. Malaxeur selon la revendication 3,
    caractérisé en ce que
    les deux anneaux voisins (31, 32) sont séparés par un anneau intermédiaire (36).
  5. Malaxeur selon l'une quelconque des revendications 3 ou 4,
    caractérisé en ce qu'
    une paire d'anneaux (31, 32) d'un arbre (5, 6) est séparée chaque fols de la suivante par un élément tubulaire (30).
  6. Malaxeur selon l'une quelconque des revendications 1 à 5.
    caractérisé en ce que
    le nombre des éléments de malaxage et de transport (7. 7.1). la vitesse de rotation et le sens de rotation des arbres (5, 6) sont accordés entre eux de manière que les éléments de malaxage et de transport (7, 7.1) coopèrent entre eux avec toujours le même décalage axial.
EP96932587A 1995-10-04 1996-09-23 Malaxeur Expired - Lifetime EP0853491B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19536944 1995-10-04
DE19536944A DE19536944A1 (de) 1995-10-04 1995-10-04 Mischkneter
PCT/EP1996/004145 WO1997012666A1 (fr) 1995-10-04 1996-09-23 Malaxeur

Publications (2)

Publication Number Publication Date
EP0853491A1 EP0853491A1 (fr) 1998-07-22
EP0853491B1 true EP0853491B1 (fr) 2001-12-12

Family

ID=7773995

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96932587A Expired - Lifetime EP0853491B1 (fr) 1995-10-04 1996-09-23 Malaxeur

Country Status (10)

Country Link
US (1) US6039469A (fr)
EP (1) EP0853491B1 (fr)
JP (1) JPH11514286A (fr)
AT (1) ATE210491T1 (fr)
AU (1) AU709353B2 (fr)
DE (2) DE19536944A1 (fr)
DK (1) DK0853491T3 (fr)
ES (1) ES2169813T3 (fr)
RU (1) RU2156646C2 (fr)
WO (1) WO1997012666A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006034875A1 (fr) * 2004-09-30 2006-04-06 List Holding Ag Procede de realisation continue de processus de polymerisation
DE102009007641A1 (de) * 2009-02-05 2010-08-19 List Holding Ag Verfahren und Vorrichtung zur kontinuierlichen Behandlung von Stoffgemischen
DE102009007640B4 (de) * 2009-02-05 2012-04-12 List Holding Ag Verfahren zur kontinuierlichen Behandlung eines zähviskosen, pastösen Produktes

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19940521C2 (de) * 1999-08-26 2003-02-13 List Ag Arisdorf Mischkneter
EP1101525B1 (fr) * 1999-11-10 2003-03-19 Buss- SMS GmbH Verfahrenstechnik Mélangeur et réacteur
US6410783B1 (en) 2000-10-19 2002-06-25 Basf Corporation Method of producing carboxylic acid salts
WO2002068106A1 (fr) * 2001-02-26 2002-09-06 List Ag Procede et dispositif de melange de produits
AU2002302530A1 (en) * 2001-04-25 2002-11-18 List Ag Mixer bars cleaning in a radial or axial manner
DE10303167B4 (de) 2003-01-27 2006-01-12 List Holding Ag Verfahren zur kontinuierlichen Phasenumwandlung eines Produktes
DE10306613B4 (de) 2003-02-14 2007-03-01 List Holding Ag Verfahren zur Durchführung einer Massepolymerisation
EP1769004B1 (fr) 2004-06-21 2017-08-09 Evonik Degussa GmbH Polysaccharide absorbant l'eau et procede de production associe
WO2006034853A1 (fr) 2004-09-28 2006-04-06 Basf Aktiengesellschaft Malaxeur et procede de production de poy(meth)acrylates utilisant ce malaxeur
DE102006015541A1 (de) * 2006-03-31 2007-10-04 List Holding Ag Verfahren und Vorrichtung zur Behandlung von zähviskosen Produkten
US8014863B2 (en) * 2007-01-19 2011-09-06 Cardiac Pacemakers, Inc. Heart attack or ischemia detector
CA2725028A1 (fr) * 2008-05-22 2009-11-26 List Holding Ag Procede et dispositif de fabrication de biopolymeres
US8361926B2 (en) 2008-11-25 2013-01-29 Evonik Stockhausen, Llc Water-absorbing polysaccharide and method for producing the same
ES2616056T3 (es) 2009-02-05 2017-06-09 List Holding Ag Separación térmica de mezclas de sustancias mediante una evaporación principal y una desgasificación en mezcladores-amasadores separados
DE102009007644A1 (de) 2009-02-05 2010-09-16 List Holding Ag Verfahren und Vorrichtung zur kontinuierlichen Behandlung einer Polymerlösung
DE102009061077A1 (de) 2009-02-05 2011-06-22 List Holding Ag Verfahren zur kontinuierlichen Behandlung eines zähviskosen, pastösen Produktes
DE102009007642A1 (de) 2009-02-05 2010-08-12 List Holding Ag Verfahren zur kontinuierlichen Behandlung eines zähviskosen, pastösen Produktes
DE102009007643A1 (de) 2009-02-05 2010-08-12 List Holding Ag Verfahren zur kontinuierlichen Behandlung eines zähviskosen, pastösen Produktes
DE102009036915A1 (de) 2009-08-11 2011-02-24 List Holding Ag Verfahren zum Behandeln eines Monomers, Pre-Polymers, Polymers oder einer entsprechenden Mischung
FR2951177B1 (fr) 2009-10-09 2012-12-21 Roquette Freres Procede de preparation de derives acetyles de matiere amylacee
DE102010052265A1 (de) 2010-02-16 2011-08-18 LANXESS Deutschland GmbH, 51373 Verfahren zur Abtrennung von Polybutadien-Kautschuk
DE102010060320A1 (de) 2010-06-30 2012-02-16 List Holding Ag Verfahren zur thermischen Trennung einer Lösung aus thermoplastischen polymer und Lösungsmittel
JP6253575B2 (ja) 2011-05-26 2017-12-27 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 吸水性ポリマー粒子の製造法
JP2014515413A (ja) 2011-05-26 2014-06-30 ビーエーエスエフ ソシエタス・ヨーロピア 吸水性ポリマー粒子の連続的な製造法
DE102011089056A1 (de) 2011-12-19 2013-06-20 Evonik Industries Ag Verfahren zur Herstellung von Polyestern
DE102012106872A1 (de) * 2012-01-05 2013-07-11 List Holding Ag Vorrichtung zur Durchführung von mechanischen, chemischen und/oder thermischen Prozessen
DE102012103565A1 (de) * 2012-04-24 2013-10-24 List Holding Ag Vorrichtung zum Transport von viskosen Massen und Pasten
WO2013186176A1 (fr) 2012-06-13 2013-12-19 Basf Se Procédé de fabrication de particules de polymère absorbant l'eau dans un réacteur de polymérisation comprenant au moins deux arbres rotatifs parallèles
US9248429B2 (en) 2012-06-13 2016-02-02 Basf Se Process for producing water-absorbing polymer particles in a polymerization reactor with at least two axially parallel rotating shafts
DE102013100182A1 (de) * 2012-09-28 2014-06-05 List Holding Ag Verfahren zur Durchführung von mechanischen, chemischen und/oder thermischen Prozessen
CN104936989B (zh) 2013-01-29 2019-04-16 巴斯夫欧洲公司 制备具有高自由溶胀率、高离心保留容量和高溶胀凝胶床渗透性的吸水性聚合物颗粒的方法
EP2796190B1 (fr) * 2013-04-26 2017-08-23 Buss-SMS-Canzler GmbH Système constitué d'un couvercle terminal pour un réacteur/mélangeur et d'un bloc de raccordement à vis d'extraction
USD934929S1 (en) * 2020-09-18 2021-11-02 Elliot Kremerman Housing for spindles and rotary belt
USD935496S1 (en) * 2021-08-02 2021-11-09 Elliot Kremerman Spinner
USD934316S1 (en) * 2021-08-02 2021-10-26 Elliot Kremerman Spinner
USD934930S1 (en) * 2021-08-02 2021-11-02 Elliot Kremerman Spinner
USD935497S1 (en) * 2021-08-02 2021-11-09 Elliot Kremerman Spinner

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CH506322A (de) * 1969-03-17 1971-04-30 List Heinz Mehrspindelige Misch- und Knetmaschine
DE2123956C3 (de) * 1970-05-20 1979-09-20 Heinz Dipl.-Ing. Pratteln List (Schweiz) Misch- und Knetmaschine
CH583061A5 (fr) * 1972-10-18 1976-12-31 List Heinz
DE3538070A1 (de) * 1985-10-25 1987-04-30 Krauss Maffei Ag Misch- und knetvorrichtung
DE8534830U1 (de) * 1985-12-11 1987-02-19 BHS-Bayerische Berg-, Hütten- und Salzwerke AG, 8000 München Doppelwellen-Zwangsmischer für kontinuierliche und diskontinuierliche Arbeitsweise
DE3741654A1 (de) * 1986-12-11 1988-06-23 Heinz Nienhaus Mehrachsiger mischtrockner beziehungsweise -reaktor
CH672749A5 (fr) * 1986-12-19 1989-12-29 List Ag
JPH0618618B2 (ja) * 1987-03-20 1994-03-16 三菱重工業株式会社 撹拌装置
CH680196A5 (fr) * 1988-02-16 1992-07-15 List Ag
CH678285A5 (fr) * 1988-02-16 1991-08-30 List Ag
DE4018069A1 (de) * 1990-06-06 1991-12-12 Bayer Ag Selbstreinigender reaktor/mischer mit grossem nutzvolumen
DE4118884A1 (de) * 1991-06-07 1992-12-10 List Ag Mischkneter
CA2102577A1 (fr) * 1992-11-24 1994-05-25 Walther Schwenk Melangeur-malaxeur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006034875A1 (fr) * 2004-09-30 2006-04-06 List Holding Ag Procede de realisation continue de processus de polymerisation
DE102009007641A1 (de) * 2009-02-05 2010-08-19 List Holding Ag Verfahren und Vorrichtung zur kontinuierlichen Behandlung von Stoffgemischen
DE102009007640B4 (de) * 2009-02-05 2012-04-12 List Holding Ag Verfahren zur kontinuierlichen Behandlung eines zähviskosen, pastösen Produktes

Also Published As

Publication number Publication date
DK0853491T3 (da) 2002-04-15
WO1997012666A1 (fr) 1997-04-10
EP0853491A1 (fr) 1998-07-22
JPH11514286A (ja) 1999-12-07
DE19536944A1 (de) 1997-04-10
AU7131796A (en) 1997-04-28
US6039469A (en) 2000-03-21
RU2156646C2 (ru) 2000-09-27
ATE210491T1 (de) 2001-12-15
DE59608462D1 (de) 2002-01-24
ES2169813T3 (es) 2002-07-16
AU709353B2 (en) 1999-08-26

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