EP0885652B1 - Hochintensitätsmischer - Google Patents

Hochintensitätsmischer Download PDF

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Publication number
EP0885652B1
EP0885652B1 EP98201664A EP98201664A EP0885652B1 EP 0885652 B1 EP0885652 B1 EP 0885652B1 EP 98201664 A EP98201664 A EP 98201664A EP 98201664 A EP98201664 A EP 98201664A EP 0885652 B1 EP0885652 B1 EP 0885652B1
Authority
EP
European Patent Office
Prior art keywords
mixing
lid
vessel
mixing vessel
product
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
EP98201664A
Other languages
English (en)
French (fr)
Other versions
EP0885652A1 (de
Inventor
Peter Gerardus Josephus Van Der Wel
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.)
Hosokawa Micron BV
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Hosokawa Micron BV
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Filing date
Publication date
Application filed by Hosokawa Micron BV filed Critical Hosokawa Micron BV
Publication of EP0885652A1 publication Critical patent/EP0885652A1/de
Application granted granted Critical
Publication of EP0885652B1 publication Critical patent/EP0885652B1/de
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
    • B01F33/50—Movable or transportable mixing devices or plants
    • 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
    • B01F2101/20—Mixing of ingredients for bone cement
    • 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
    • B01F2101/23—Mixing of laboratory samples e.g. in preparation of analysing or testing properties of materials
    • 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
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
    • B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held

Definitions

  • the invention relates to a device for mixing, cooling, heating, drying and/or granulating of powder and/or granular materials, comprising a conical mixing vessel having a vertical axis, which narrows in a downward direction and in which at least one vertical mixing shaft can rotate, which mixing shaft a number of element projects, of which the outer end extends until close to the sidewall of the vessel.
  • the mixer comprises an agigator having a number of blades, which mixer is connectable to the feed device and a vacuum source which is connectable to the feed device for mixing substances in said feed device under
  • the object of the invention is the further development of this mixing device to an intensive mixer for industrial use, with which powdery, granular and/or pasty materials can be mixed, cooled, heated, dried and/or granulated.
  • Fig. 1 shows in partial left side view and partial right cross section a mounted mixing device according to a first embodiment with knives that carry paddles at the outer end.
  • Fig. 1A shows on an enlarged scale in side and front view details of Fig. 1 of the fastening of the paddles to the rods.
  • Fig. 2 shows in partial left side view without outer wall and partial right side view a mixing device according to a second main embodiment, of which the lid has been removed and has been hoisted upwardly over at least the length of the mixing shaft, so that the mixing shaft, the mixing elements and the bottom scraper have become free from the mixing vessel and are visible.
  • Fig. 2A shows on an enlarged scale in side view a detail of Fig. 2 of the pivotable connection of the knives to the mixing shaft.
  • Fig. 3 shows a diagram of the flow of the product in the intensive mixer according to the invention.
  • the mixer is provided with a connical mixing vessel, that is generally indicated with 1, having a vertical axis 2, said vessel narrowing in a downward direction and in which at least one vertical mixing shaft 3 can rotate. From this mixing shaft 3 a number of knives 4 project gradually outwards, of which the outer end 5 extends until near the inner sidewall 6 of the vessel 1.
  • the vessel 1 is closed at the upper side with a lid 7, of which the innerside is substantially elipsoide shape, on the one hand for the strength and on the other hand for the inward guiding of the product part Pu that possibly moves upwardly along the inner sidewall 6 into the lid 7 and in the direction of the centre of the lid, from which it again drops back as Pd downwardly in the mixing vessel 1.
  • Fig. 3 shows this flow diagram.
  • a drive motor 9 is fastened with the use of (not shown) seals and bearings on the central lid tube stub.
  • the (not shown) outgoing driveshaft 10 is coupled with the mixing shaft 3.
  • the mixing vessel 1 with the hoistable lid 7 can be closed vacuum tight by means of different types of quick fasteners, such as the screwbolt having a starhead 11 and the clamping screw 12, so that during the operation vacuum can be applied to the mixing vessel 1.
  • quick fasteners such as the screwbolt having a starhead 11 and the clamping screw 12, so that during the operation vacuum can be applied to the mixing vessel 1.
  • hoist means such as the arm 41, the double acting plunger 42, the cylinder 43 and the second arm 44 in Fig. 2.
  • the mixing knives 4 can be cleaned, exchanged or repaired. It is also possible to inspect the vessel 1 internally or the lid 7 can be removed and quickly exchanged with an other lid with accessories.
  • a scraper blade 13 is fastened in order to obviate a dead space in the bottom of the mixing vessel 1.
  • An excentric tube stub 14 is also mounted on the lid 7, which stub can be opened and closed by means of an inspection lid 15. This is done with a pivotable arm 16, which can be screwed with a starhead 17 on a screwbolt 18 in the closing position in a uppertaining sidelog 19 of the stub 14.
  • a flange 23 is fastened, on which the body is mounted of a ball segment valve 24, which contains a ball segment 25.
  • the mixing vessel 1 is provided with an outer jacket 26 for heating and for cooling of the contents of a product P of the vessel 1.
  • This jacket 26 carries the connecting tube stumps 28 and 29.
  • the sidewall 6 is made of a so-called “template”, which is a double walled plate 13 that has been connected by welding in different places and is afterwards expended. Through the created hollow space again a cooling or heating medium can be circulated.
  • the lid 7 comprises a tube stub 32 for a looking glass 33.
  • the mixing shaft 3 carries a great number of knives 4 and has a high to very high number of revolutions N.
  • the product to be treated experiences a very strong shearing at both the knives 4 as the inner sidewall 6, so that in a very short time a very intensive mixing of the product P is effected.
  • a temperature rise can occur, which is counteracted by cooling the sidewall 6 of the mixing vessel 1.
  • the number of revolutions N of the mixing vessel comprises 100 tot 1000 revolutions per minute.
  • the knives 4 each carry at the outer end one or more mixing paddles 5, of which an outer edge extends parallel to and near the inner sidewall 6 of the vessel 1. Furthermore, the knives 4 are rod shaped and have a large radial dimension. Furthermore, the paddles 5 are plate shaped and have a small radial dimension. According to Fig. 1A at the left side of Fig. 1 the paddles 5 are limited pivotable over an angle (A) round the longitudinal axis of the rod shaped element.
  • a second preferential embodiment of the invention is shown in the hoisted position of the lid 7 with accessories.
  • the lid 7 is suspended on the upwardly and downwardly moveable horizontal arm 41 on the head of a hydraulic plunger 42 of a hoisting cylinder 43 which carries a fixed horizontal arm 44 at the upperside, on which the mixing vessel 1 is suspended. Also other that hydraulic hoisting tools can be applied.
  • the knives 4 according to the invention comprise knives, of which the angle B with the vertical of at least a part of the knives is variable.
  • FIG. 2A At a variant drawn at the right side of Fig. 2 the mixing shaft 3 and the knives 4 that are connected therewith are hollow and have outlet holes 45 for letting through and guiding of gasses and/or liquids U.
  • Fig. 2A also a detail of the pivotable connection of the knives 4 with the mixing shaft 3 is shown. Here the scraper 13 at the lower end of the mixing shaft 3 is visible.
  • the angle B is variable which the knives 4 make with the vertical.
  • the outer sidewall 6 of the mixing vessel 1 is bound with a 1/2 tube spiral 46 for passing through a cooling and/or heating fluid.
  • the lid 7 is provided with a tube stub 36 for the entrance of the product Pi.
  • a flat outlet slide 47 with an operating lever 48 for the outgoing product PO is mounted.
  • the mixing shaft 3 is accoupled by means of a transmission 49 with the inverted suspended drive motor 9, which transmission is fastened on the lid 7 by means of a heightened tube stub 8.
  • a heightened tube stub 8 In the axis 2 an inlet 50 for liquid Li is mounted.
  • the lid 7 is also provided with a port 38 for a low pressure sprayer 39 for process liquid and/or gas.
  • the sidewall 6 of the mixing vessel 1 is provided at the right side with a port 34 for a thermometer 35.

Landscapes

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

Claims (15)

  1. Vorrichtung zum batchweisen Mischen, Kühlen, Erwärmen, Trocknen und/oder Granulieren von pulverartigen, körnigen und/oder pastösen Massen (P), welche einen konischen Mischbehälter (1) umfasst, der eine vertikale Achse (2) aufweist, wobei der Behälter sich nach unten hin verengt, und in welchem sich zumindest eine vertikale Mischwelle (3) drehen kann, wobei von der Mischwelle (3) mehrere Messer radial abragen, deren äusseres Ende sich bis in die Nähe der Seitenwand (6) des Behälters (1) erstreckt, dadurch gekennzeichnet, dass sie Messer (4) umfasst, welche an dem äusseren Ende ein oder mehrere Mischpaddel (5) tragen und die Mischwelle (3) mit einer Anzahl von Umdrehungen (N) dreht, welche zwischen 100 und 1.000 Umdrehungen pro Minute betragen, so dass die Zentrifugalkraft in Kombination mit der Drehung das Produkt (P) in einer Aufwärtsbewegung entlang der schrägen Seitenwand bewegt, nach welcher es entlang der vertikalen Achse (2) des Behälters (1) nach unten fällt, während dessen die zu behandelnde Masse sowohl an den Paddeln (5) als auch an der inneren Wand (6) eine Scherung erfährt, das eine und das andere derart, dass ein intensives Mischen des Produktes (P) bewirkt wird.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Messer (4) stangenartig ausgebildet sind und eine grosse radiale Abmessung aufweisen, wohin gegen die Paddel (5) plattenartig ausgebildet sind und eine geringe radiale Abmessung aufweisen und sie um die Längsachse des stangenförmigen Messers (4) um einen Winkel (A) drehbar begrenzt sind, wobei von diesen Paddeln sich eine radiale Aussenwand parallel zu und nahe zu der inneren Seitenwand (6) des Behälters (1) erstreckt.
  3. Vorrichtung nach einem oder mehreren der Ansprüche 1 und 2, dadurch gekennzeichnet, dass ein Schabmesser (13) an dem unteren Ende der Mischwelle (3) zum Vermeiden von totem Raum im Boden des Mischbehälters (1) angeordnet ist.
  4. Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 3, bei welcher der Mischbehälter (1) mittels eines Deckels (7) auf der Oberseite geschlossen ist, dadurch gekennzeichnet, dass die Innenseite des Deckels (7) an dem Mischbehälter (1) im wesentlich ellipsenförmig ausgebildet ist, um den Teil des Produktes (Pu) zu führen, welcher sich entlang der inneren Seitenwand (6) von der Seitenwand (6) in die Richtung der Mitte des Deckels (7) nach oben bewegt, von wo aus es wieder nach unten in den Mischbehälter (1) als der Produktteil (Pd) fällt.
  5. Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Deckel (7) mit Hilfsmittel den Mischbehälter (1) luftdicht verschliessen kann, so dass Vakuum an dem Mischbehälter (1) angelegt werden kann.
  6. Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Deckel (7) mittels Schnellverschlüssen (11, 12) an dem Mischbehälter (1) befestigt ist, so dass der Deckel (7) mit Hilfsmittel nach dem Lösen der Schnellverschlüsse (11, 12) von dem Mischbehälter (1) abgehoben werden kann und nach der Bearbeitung und/oder Austausch erneut ausgetauscht und befestigt werden kann.
  7. Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der Mischbehälter (1) mit einem äusseren Mantel (26) zum Erwärmen und/oder Kühlen der Inhalte des Produktes (P) des Behälters (1) versehen ist, wobei zu diesem Zweck die Rohranschlussstutzen (28, 29) vorhanden sind.
  8. Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass an dem unteren Ende des Mischbehälters (1) ein Kugelsegmentventil (24) angeordnet ist.
  9. Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass an dem unteren Ende des Mischbehälters (1) ein flacher Auslassschieber (47, 48) angeordnet ist.
  10. Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Mischwelle (3) mittels einer Übertragungsseinrichtung (49) mit einem umgedreht aufgehängten Antriebsmotor (9) verbunden ist, wobei an dem Deckel (7) ein aufragender Rohrstutzen (8) befestigt ist, welcher die Aufhängung (49) trägt, an welcher der Motor (9) umgedreht aufgehängt ist.
  11. Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die Seitenwand (6) des Mischbehälters (1) mit einer Öffnung (34) für ein Thermometer (35) versehen ist.
  12. Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass der Deckel (7) mit einem Rohrstutzen (36) für den Einlass des Produktes (P) versehen ist.
  13. Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass der Deckel (7) mit einem Einlass (40) für einen Flüssigkeitszerstäuber (39) versehen ist.
  14. Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass der Deckel (7) an dem nach oben und nach unten bewegbaren, horizontalen Arm (41) an dem Kopf einer Kolbenstange (42) eines hydraulischen Hubzylinders (43) aufgehängt ist, welcher einen feststehenden horizontalen Arm (44) auf der oberen Seite trägt, an welchem der Mischbehälter (1) aufgehängt ist.
  15. Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass der Deckel (7) an dem nach oben und nach unten bewegbaren Arm (41) einer mechanisch Hubvorrichtung angeordnet ist.
EP98201664A 1997-06-13 1998-05-19 Hochintensitätsmischer Expired - Lifetime EP0885652B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1006311A NL1006311C2 (nl) 1997-06-13 1997-06-13 Intensiefmenger.
NL1006311 1997-06-13

Publications (2)

Publication Number Publication Date
EP0885652A1 EP0885652A1 (de) 1998-12-23
EP0885652B1 true EP0885652B1 (de) 2007-03-21

Family

ID=19765161

Family Applications (1)

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EP98201664A Expired - Lifetime EP0885652B1 (de) 1997-06-13 1998-05-19 Hochintensitätsmischer

Country Status (4)

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EP (1) EP0885652B1 (de)
JP (1) JP4211015B2 (de)
DE (1) DE69837365T2 (de)
NL (1) NL1006311C2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110813460A (zh) * 2019-12-02 2020-02-21 苏州塔比诺机电有限公司 一种电子元件生产用原料研磨装置

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6599005B2 (en) * 1997-06-13 2003-07-29 Hosokawa Micron Bv Intensive mixer
JP2002181224A (ja) * 2000-12-14 2002-06-26 Mitsui Mining Co Ltd 排出弁
EP1791628A4 (de) * 2004-09-21 2011-09-28 Glaxo Group Ltd Mischsystem und -verfahren
CN103041747A (zh) * 2011-10-15 2013-04-17 四川制药制剂有限公司 便于观察反应情况的低功耗快速搅拌制粒机
DE102013018094A1 (de) * 2013-12-03 2015-06-03 Merck Patent Gmbh Mischvorrichtung und deren Verwendung
CN107282234A (zh) * 2017-07-17 2017-10-24 邹铁梅 一种饲料生产用粉碎混合一体化设备
CN108187840A (zh) * 2017-12-28 2018-06-22 吴烨程 一种匀速间歇进料的多向粉碎过滤饲料装置
CN115090211B (zh) * 2022-06-08 2023-09-22 苏州思萃热控材料科技有限公司 一种铝碳化硅复合材料制备用烘干制粒一体设备
CN116474607A (zh) * 2023-04-15 2023-07-25 浙江恒翔新材料有限公司 非离子型毛纺专用高效净洗剂生产设备及生产方法
DE102024128832A1 (de) * 2024-10-07 2026-04-09 Zeppelin Systems Gmbh Mischer zum Verarbeiten von pulver- grieß- und /oder granulatförmigen Stoffen und Flüssigkeiten

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1169505B (it) * 1983-02-24 1987-06-03 Luciano Occelli Procedimento ed apparecchio per la mescolazione sotto vuoto di impasti per uso odontotecnico,orafo o simile
SE450545B (sv) * 1984-10-19 1987-07-06 Mit Ab Forfarande och anordning vid framstellning av bencement for fixering av proteser
DE3768503D1 (de) * 1987-09-10 1991-04-11 Hosokawa Micron Europ Vorrichtung zum trocknen von loesungsmittelhaltigem material.
US5265956A (en) * 1991-09-30 1993-11-30 Stryker Corporation Bone cement mixing and loading apparatus
US5531519A (en) * 1993-07-06 1996-07-02 Earle; Michael L. Automated bone cement mixing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110813460A (zh) * 2019-12-02 2020-02-21 苏州塔比诺机电有限公司 一种电子元件生产用原料研磨装置

Also Published As

Publication number Publication date
NL1006311C2 (nl) 1998-12-15
EP0885652A1 (de) 1998-12-23
JP4211015B2 (ja) 2009-01-21
JPH1147573A (ja) 1999-02-23
DE69837365T2 (de) 2007-12-13
DE69837365D1 (de) 2007-05-03

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