EP2403632A1 - Dispositif de broyage et de dispersion - Google Patents

Dispositif de broyage et de dispersion

Info

Publication number
EP2403632A1
EP2403632A1 EP09775844A EP09775844A EP2403632A1 EP 2403632 A1 EP2403632 A1 EP 2403632A1 EP 09775844 A EP09775844 A EP 09775844A EP 09775844 A EP09775844 A EP 09775844A EP 2403632 A1 EP2403632 A1 EP 2403632A1
Authority
EP
European Patent Office
Prior art keywords
rotor
substances
stator
process chamber
chamber
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
EP09775844A
Other languages
German (de)
English (en)
Other versions
EP2403632B1 (fr
Inventor
Thomas Merle
Stefan Wienberg
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.)
FrymaKoruma AG
Original Assignee
FrymaKoruma 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 FrymaKoruma AG filed Critical FrymaKoruma AG
Priority to PL09775844T priority Critical patent/PL2403632T3/pl
Publication of EP2403632A1 publication Critical patent/EP2403632A1/fr
Application granted granted Critical
Publication of EP2403632B1 publication Critical patent/EP2403632B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B01F23/50—Mixing liquids with solids
    • B01F23/53—Mixing liquids with solids using driven stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00—Crushing or disintegrating by disc mills
    • B02C7/10—Crushing or disintegrating by disc mills with eccentric discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
    • B01F25/52—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle with a rotary stirrer in the recirculation tube
    • 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
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
    • B01F27/2722—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces provided with ribs, ridges or grooves on one surface
    • 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
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
    • B01F27/2723—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces the surfaces having a conical shape
    • 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
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
    • B01F27/2724—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces the relative position of the stator and the rotor, gap in between or gap with the walls being adjustable

Definitions

  • the invention relates to a device for dispersing in particular liquid to viscous substance mixtures and for comminuting particles and suspensions, with a batch container having one or more openings for introducing the substances to be processed and one or more openings for discharging the processing substances, and a process chamber with a Rotor and a stator, wherein the rotor for the purpose of processing substances introduced into the process chamber is rotatably mounted relative to the stator about a rotation axis.
  • Dispersing devices of the type mentioned in the prior art are usually used to mix liquid or viscous substances with other liquid, viscous or powdery substances so or crushing to produce a substantially homogeneous and non-agglomerated mass.
  • the known dispersing devices have the disadvantage that a reliable and effective processing of substances with very different properties such as granularity in powders or viscosity in liquids is not guaranteed.
  • a dispersing device of the type mentioned is known from DE 296 08 713 Ul.
  • teeth and / or approaches are provided in this device, which are designed so that the shear gap volume changes disproportionately when adjusting the axial distance between the rotor and stator.
  • DE 825 084 further discloses a device for sonic vibration treatment of substances in which a passage gap for the substances to be treated is provided for the purpose of uniform intensive sonication, the width of which is periodically variable with sonic vibration frequency.
  • the object of the invention is to provide a device by means of which a reliable and effective processing of substances with very different properties such as homogeneity, granularity in powders or viscosity in liquids is possible.
  • stator has a machining surface which is arranged inclined relative to the axis of rotation of the rotor at an angle Wl and the rotor has a working surface has, which is arranged inclined relative to the axis of rotation of the rotor at an angle W2> Wl, such that the working surfaces of stator and rotor face each other at an acute angle and between rotor and stator is formed in the cross-section hollow conical process chamber in which the initiating Substances are dispersed, crushed and homogenized.
  • the stator has a machining surface which is inclined relative to the axis of rotation of the rotor at an angle Wl and the rotor has a machining surface which is inclined relative to the axis of rotation of the rotor at an angle W2> Wl is such that the working surfaces of stator and rotor face each other at an acute angle and between the rotor and stator is formed in the cross-section hollow conical process chamber in which the incoming substances are dispersed, crushed and homogenized, achieved that a high degree of variability is given in the positioning of the opposing working surfaces of the rotor and stator.
  • the process chamber prefferably to be oriented in such a way that the incoming substances are transported radially outward in the direction of an exit region from an input region along the machining surfaces of the stator and rotor.
  • Input region of the process chamber is formed wider than the output region.
  • the machining surface of the stator and / or of the rotor have a predetermined surface structure.
  • a surface structure may be formed by a plurality of straight or curved projections or notches.
  • the stator is mounted axially reciprocally displaceable in the direction of the rotor and displaceable by means of a displacement device within a predetermined stroke in the direction of the rotor and thereby locked in any position to the volume of the process chamber pretend.
  • the stator can preferably be displaceably mounted within an outer housing of the device and be provided with an external thread, wherein the displacement device comprises a guided through a recess of the outer housing and rotatably mounted on the outer housing mounted mandrel which engages in the external thread of the stator.
  • the mandrel can be controlled rotatable by means of an electric motor drive.
  • a mixing chamber provided with a rotatable mixing blade is preferably provided for supplying further substances into the process chamber.
  • an inducer screw is preferably provided between the mixing blade and the process chamber, which presses the substances mixed in the mixing chamber in the direction of the process chamber.
  • the mixing blade, the Inducerschraube and the rotor are preferably mounted on a common shaft.
  • a receiving chamber for processed substances which is provided with an outlet opening to be provided downstream of the outlet area of the process chamber.
  • a rotatable distributor blade can be provided in the receiving chamber, which can preferably be connected at least indirectly to the rotor.
  • the substances can be at least partially fed back into the batch container and / or into the mixing chamber in the device according to the invention, starting from the outlet opening of the receiving chamber.
  • the speed of the motor driving the rotor, the mixing blade, the inducer screw is preferably adjustable and thus adaptable to the viscosity and / or granularity of the substances to be processed.
  • the rotor is divided into an upper and a lower part, wherein the processing surface of the upper part of the rotor is formed bent inwardly in an impact region of the substances to be processed.
  • Fig. 1 shows a preferred embodiment of the device according to the invention in a cross-sectional view.
  • Fig. 2 shows the rotor of the preferred embodiment of the device according to the invention shown in Figure 1 in a side view.
  • Fig. 3 shows the rotor of the further preferred embodiment of the device according to the invention shown in Figure 1 in a side view.
  • FIG. 4 shows the rotor of the further preferred embodiment of the device according to the invention shown in FIG. 1 in a side view.
  • the apparatus (100) according to the invention shown in FIGS. 1 and 4 for dispersing, in particular, liquid to viscous substance mixtures and for comminuting granular mixtures of substances and suspensions contains one Batch container (110) having an opening (120) and an additional opening (121) for introducing the substances and an opening (130) for discharging the processed substances, and a process chamber (140) having a rotor (150) and a stator ( 160), wherein the rotor (150) for the purpose of dispersing introduced into the process chamber (140) substances relative to the stator (160) is rotatably mounted about a rotation axis (155).
  • the stator (160) has a working surface (161) inclined with respect to the rotational axis (155) of the rotor (150) at an angle Wl and the rotor (150) has a working surface (151) opposite to the rotational axis (155) of the rotor (150) is inclined at an angle W2> Wl, wherein the working surfaces (161, 151) of the stator (160) and rotor (150) face each other at an acute angle.
  • the hollow-conical process chamber (140) in which the incoming substances are dispersed, comminuted and homogenized.
  • the process chamber (140) is oriented so that the introducing substances from an input area (143) along the processing surfaces (161, 151) of the stator (160) and rotor (150) radially outward in the direction of
  • Input area (143) is wider than the output area (144).
  • the processing surfaces (161, 151) of the stator (160) and the rotor (150) each have a predetermined Surface structure, namely a plurality of bent projections formed on.
  • the rotor (150) is further divided into upper and lower parts, and the processing surface (151) of the upper part of the rotor (150) is bent inwardly in an impact area of the substances to be processed.
  • the stator (160) is axially reciprocally displaceably mounted in the direction of the rotor (150) and can be displaced in the direction of the rotor (150) by means of a displacement device (170) within a predetermined stroke range and can be locked in any position in order to increase the volume of the process chamber. 140).
  • stator (160) is displaceably mounted within an outer housing (101) of the device and provided with an external thread (162), wherein the displacement device (170) rotates through a recess of the outer housing (101) and rotates on the outer housing (101) mounted mandrel (103) which engages in the external thread (162) of the stator (160).
  • the mandrel (103) is controlled rotatable by means of an electric motor drive.
  • a mixing chamber (111) provided with a rotatable mixing blade (112) for feeding further substances into the process chamber (140).
  • the mixing blade (112) and the process chamber (140) are further provided an inducer screw (113) which the in the Misehkarmmer (111) mixed substances in the direction of the process chamber (140) presses.
  • the mixing blade (112), the Inducerschraube (113) and the rotor (150) are mounted on a common shaft (152).
  • a processed substance receiving chamber Downstream of the exit region (144) of the process chamber (140), there is provided a processed substance receiving chamber (141) provided with an exit port (130).
  • a rotatable distributor blade In the receiving chamber (141) a rotatable distributor blade (142) is provided, which is connected to the speed-adjustable rotor (150).
  • the processed substances can be returned at least partially into the mixing chamber, starting from the outlet opening (142) of the receiving chambers (141).

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Dispersion Chemistry (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

L'invention concerne un dispositif (100) pour disperser notamment des mélanges de substances liquides à visqueuses ainsi que pour broyer des particules et des suspensions. Ce dispositif comprend un récipient de charge avec une ou plusieurs ouvertures (120) pour introduire les substances à traiter et avec une ou plusieurs ouvertures (130) pour décharger les substances traitées, ainsi qu'une chambre de traitement (140) avec un rotor (150) et un stator (160). Le rotor (150) est monté de manière à pouvoir tourner par rapport au stator (160) autour d'un axe de rotation (155) afin de traiter les substances introduites dans la chambre de traitement (140). Selon l'invention, on obtient un traitement efficace par le fait que le stator (160) présente une surface de traitement (161) qui est disposée de manière inclinée suivant un angle W1 par rapport à l'axe de rotation (155) du rotor (150), et le rotor (150) présente une surface de traitement (151) qui est disposée de manière inclinée suivant un angle W2 > W1 par rapport à l'axe de rotation (155) du rotor (150), de telle sorte que les surfaces de traitement (161, 151) du stator (160) et du rotor (150) soient en regard l'une de l'autre suivant un angle aigu et qu'entre le rotor (150) et le stator (160) soit formée la chambre de traitement (140) conique creuse en section transversale, dans laquelle sont dispersées, broyées et homogénéisées les substances introduites.
EP09775844A 2009-03-06 2009-03-06 Dispositif de broyage et de dispersion Active EP2403632B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09775844T PL2403632T3 (pl) 2009-03-06 2009-03-06 Urządzenie do rozdrabniania i rozpraszania

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE2009/000318 WO2010099767A1 (fr) 2009-03-06 2009-03-06 Dispositif de broyage et de dispersion

Publications (2)

Publication Number Publication Date
EP2403632A1 true EP2403632A1 (fr) 2012-01-11
EP2403632B1 EP2403632B1 (fr) 2013-03-27

Family

ID=41279269

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09775844A Active EP2403632B1 (fr) 2009-03-06 2009-03-06 Dispositif de broyage et de dispersion

Country Status (4)

Country Link
US (1) US9174218B2 (fr)
EP (1) EP2403632B1 (fr)
PL (1) PL2403632T3 (fr)
WO (1) WO2010099767A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008049265B4 (de) * 2008-09-26 2012-12-13 Azo Holding Gmbh Mischer
DE102009047777A1 (de) 2009-09-30 2011-04-07 Azo Holding Gmbh Homogenisator und Homogenisiervorrichtung mit einem solchen Homogenisator
GB2536502A (en) * 2015-03-20 2016-09-21 Silverson Machines Ltd Apparatus and method for high-shear mixing
CN107442241A (zh) * 2016-05-31 2017-12-08 上海弗鲁克科技发展有限公司 高速湿法研磨设备及其工作头
JP7049793B2 (ja) * 2017-09-29 2022-04-07 株式会社明治 微粒化装置
DE102019102583A1 (de) 2019-02-01 2020-08-06 Ystral Gmbh Maschinenbau + Processtechnik Rotor für eine Vorrichtung zum Mischen von Pulver und Flüssigkeit und Vorrichtung zum Mischen von Pulver und Flüssigkeit
CN110075752A (zh) * 2019-05-21 2019-08-02 郭文森 一种管道式势能驱动式物料投放装置

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
DE825084C (de) 1949-06-08 1951-12-17 Atlas Werke Ag Vorrichtung zur Schallschwingungsbehandlung von Stoffen
CH616507A5 (en) 1977-08-31 1980-03-31 Escher Wyss Gmbh Method and measuring appliance for determining those properties of suspended pulp fibres which effect the manufacture of paper.
US4283016A (en) * 1979-03-16 1981-08-11 Reinhall Rolf Bertil Method and apparatus for controlling the effect of the centrifugal force on the stock in pulp defibrating apparatus
HU191574B (en) 1984-11-06 1987-03-30 Tatabanyai Szenbanyak Process for preparing double- or multi-component mixtures for chemical reaction, mainly for preparing oil and water containing mixture for burning
US5398876A (en) * 1993-07-15 1995-03-21 Reinhall; Ulf B. Apparatus and method for refining pulp stock
DE29608713U1 (de) 1996-05-14 1996-08-08 Wittek Axel Dispergiereinrichtung
US5799885A (en) * 1996-11-22 1998-09-01 Nordberg, Inc. High reduction ratio crushing in conical/gyratory crushers
US6024308A (en) * 1998-11-11 2000-02-15 J&L Fiber Services, Inc. Conically tapered disc-shaped comminution element for a disc refiner
FI109135B (fi) * 1999-09-21 2002-05-31 Metso Paper Inc Menetelmä ja laite puukuitumassan käsittelemiseksi
BR0202031A (pt) * 2002-05-17 2003-06-03 Milton Pilao Aperfeiçoamentos em refinador cÈnico para desfibramento de cavacos de madeira e similares
DE102006043498A1 (de) 2006-09-12 2008-03-27 Artur Wiegand Dispergiermaschine und deren Verwendung für die Herstellung von Pulvermischungen
DE202007012740U1 (de) 2006-09-12 2007-12-27 Wiegand, Artur Vorrichtung zur Herstellung einer Hartmetall- oder Cermetmischung sowie hierbei verwendbare Dispergiermaschine

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Title
See references of WO2010099767A1 *

Also Published As

Publication number Publication date
US9174218B2 (en) 2015-11-03
WO2010099767A1 (fr) 2010-09-10
EP2403632B1 (fr) 2013-03-27
PL2403632T3 (pl) 2013-09-30
US20110315799A1 (en) 2011-12-29

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