EP1335790B1 - Dispositif permettant d'agiter un agent apte a l'ecoulement ou coulable, notamment un agent a haute viscosite - Google Patents

Dispositif permettant d'agiter un agent apte a l'ecoulement ou coulable, notamment un agent a haute viscosite Download PDF

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Publication number
EP1335790B1
EP1335790B1 EP01997344A EP01997344A EP1335790B1 EP 1335790 B1 EP1335790 B1 EP 1335790B1 EP 01997344 A EP01997344 A EP 01997344A EP 01997344 A EP01997344 A EP 01997344A EP 1335790 B1 EP1335790 B1 EP 1335790B1
Authority
EP
European Patent Office
Prior art keywords
stirring
medium
support arms
stirring elements
spiral
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
EP01997344A
Other languages
German (de)
English (en)
Other versions
EP1335790A1 (fr
Inventor
Hans Weber
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.)
INOTEC GMBHTRANSPORT- und FOERDERSYSTEME
Inotec GmbH Transport und Foerdersysteme
Inotec GmbH
Original Assignee
INOTEC GMBHTRANSPORT- und FOERDERSYSTEME
Inotec GmbH Transport und Foerdersysteme
Inotec GmbH
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 INOTEC GMBHTRANSPORT- und FOERDERSYSTEME, Inotec GmbH Transport und Foerdersysteme, Inotec GmbH filed Critical INOTEC GMBHTRANSPORT- und FOERDERSYSTEME
Publication of EP1335790A1 publication Critical patent/EP1335790A1/fr
Application granted granted Critical
Publication of EP1335790B1 publication Critical patent/EP1335790B1/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
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical 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
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/118—Stirrers in the form of brushes, sieves, grids, chains or springs
    • 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
    • B01F27/15—Stirrers with tubes for guiding the material

Definitions

  • the invention relates to a device for stirring a flowable or free-flowing Medium, in particular a highly viscous medium, according to the preamble of the claim 1.
  • the stirring device according to the invention can be used for low to high viscosity fluids and suitable.
  • the particular area of application is for very highly viscous fluids.
  • the stirring device according to the invention is suitable for free-flowing solids.
  • the stirring device disclosed in US Pat. No. 5,037,209 in particular for highly viscous media of the type specified at the outset has a container which holds the medium, in which a rotatable shaft is arranged vertically. Go at the bottom of this wave support arms approximately in the radial direction. Located on the front ends of these support arms themselves stirring elements. These are tubular with a closed outer surface, the end faces of the tube are each open. They are over a partial length range Stirring elements are conical, the face with the larger cross section in Direction of rotation shows. The central axes of the stirring elements are inclined with respect to the plane of rotation.
  • the basic principle of this known stirring device is that the stirring elements are flowed through during the rotational movement of the shaft.
  • the RU-C1-2 001 765 shows a stirring device for mixing thin and pasty materials.
  • the basic principle is that a flange-like shaft is perpendicular to a central shaft Arrange surface element, arranged at its outer end helical spiral body are. The turns of adjacent spiral bodies are against each other offset to avoid a kind of slipstream.
  • the disadvantage of this known stirring device consists in the fact that the medium to be mixed is more or less immobile remains in the container because, for example, circular flows through the surface elements be prevented.
  • the invention has the object of further developing the stirring device of the initially mentioned type such that also very highly viscous media can be stirred, without forming in the agitating elements grafting.
  • the inventive Stirring device with regard to its mode of operation a wider range of applications.
  • the stirring device according to the invention are also very highly viscous media stirrable without the risk of clogging.
  • This is the area of application the stirring device according to the invention in particular in the area of highly viscous media.
  • Suspensions with very high solids contents as well as pasty media can also be used Process very well with the stirrer, in a very product-friendly manner and Wise. As a result, it can be used with very little energy and with very short ones Stirring phases even in geometrically difficult containers and gentle on the product achieve good mixing results.
  • the stirring system produces with low starting torque and less The speed of the stirring elements has excellent mixing effects even with laminar flow.
  • This mixing effect is essentially achieved by two flow components: Firstly, a differential flow between the central inlet jet and the outer jet and on the other hand the exit jet of the conical displacer and on the other hand by the radial flow passing through the openings, which is caused by the dynamic pressure in the displacement cone.
  • a differential flow between the central inlet jet and the outer jet and on the other hand the exit jet of the conical displacer and on the other hand by the radial flow passing through the openings which is caused by the dynamic pressure in the displacement cone.
  • the stirring elements by inclination the stirring elements the medium in the main jet from the central area upwards and conveyed tangentially to the container wall.
  • the dynamic pressure in the conical Stirring element a radial jet, which is approximately perpendicular to the displacement axis runs.
  • the stirring system according to the invention differs technically from that conventional stirring systems mainly in much lower circulation speeds and thus in a much lower power requirement, and this with higher stirring effectiveness.
  • Stirring device Due to the hydraulically generated turbulence in different directions agitator rotation is also avoided, i.e. the power consumed serves exclusively the generation of hydraulic vortices. An energy destruction through electricity disrupting Elements do not take place here.
  • the basic technical idea of the invention Stirring device consists in that the lateral surface of the cone shape by a spiral Define helix (or helical spiral). This is a very open structure, namely created a spiral structure through which plug formation essentially can escape radially through the spaces between the spiral turns.
  • this stirring element can be in a spiral shape also technically very easy to manufacture, especially due to the fact that the Unit consisting of a support arm and spiral made from a single piece, namely a single wire is produced, wherein the thickness of the support arm is equal to the thickness of the spiral turns.
  • the advantage of the training according to claim 2 is that it is optimal Ratio between the axially continuous medium and the radially draining medium is created.
  • the stirring device has a cylindrical container 1. From the top plunges into the Container 1 a shaft 2. This has a coupling 3 at its upper end, which allows the connection of the shaft 2 to a drive motor, not shown.
  • the shaft 2 is arranged vertically. But it is equally also conceivable that the shaft 2 extends obliquely.
  • a stirring element 5 is arranged at the end of each of the support arms 4.
  • the stirring elements 5 are formed by a helical spiral 6.
  • This helical spiral 6 forms the outer surface of a truncated cone. Define the turns of the spiral 6 Openings between them 7.
  • the cone is open on each of the two faces.
  • the central axis M of the spiral 6 with respect to the plane of rotation Stirring elements 5 inclined by the angle of inclination ⁇ .
  • the support arm 4 is with the spiral 6 of associated stirring element 5 each formed in one piece.
  • the distances the stirring elements 5 of the shaft 2 are the same, i.e. the four support arm / stirring element combinations are each identical.
  • the stirring device works as follows:
  • the central flow V1 penetrates with a laminar flow into the cone of the spiral 6 of the stirring element 5.
  • Another Flow component V3 is deflected outwards from the end edge of the spiral 6.
  • the flow share V5 in the outside area is led around the spiral 6 outside.
  • the mixing effect is essentially achieved by two flow components, which are formed by the aforementioned flow components. First of all there is a differential flow between the flow components V1, V3, V5 and the flow component V2 in Exit beam.
  • the second flow component is the radial flow V4 by passing through the dynamic pressure prevailing in the spiral 6 through the openings 7 between the spiral turns to the outside.
  • the inclination of the stirring elements 5 results in a continuous, closed circular flow Z, which is near the container wall upwards rises and in the central region of the container 1 coaxial to the shaft 2 down again where it crosses the spaces between the support arms 4.
  • the intensity depends on it on the size of the angle of inclination ⁇ .

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)
  • Dairy Products (AREA)

Claims (5)

  1. Dispositif pour agiter un produit apte à l'écoulement ou pulvérulent, notamment un produit de haute viscosité, comprenant un récipient (1) renfermant le produit et au moins deux éléments agitateurs (5) montés sur des bras de support (4) partant essentiellement radialement d'un arbre rotatif (2), les éléments agitateurs (5) étant réalisés en forme de tube avec les faces frontales ouvertes, et de façon conique sur au moins une partie de leur longueur, et la face frontale dirigée dans le sens de l'écoulement possédant la plus grande section transversale et l'axe médian (M) présentant par rapport au plan de rotation un angle d'inclinaison (α), caractérisé en ce que les éléments agitateurs (5) sont réalisés en tant que spirales hélicoïdales (6), et en ce que les bras de support (4) et les spirales (6) qui leur sont chaque fois associées sont réalisés d'un seul tenant à partir d'un seul fil métallique.
  2. Dispositif selon la revendication précédente, caractérisé en ce que l'épaisseur du fil métallique constituant la spirale (6) correspond approximativement à l'écart entre deux spires de la spirale (6).
  3. Dispositif selon l'une des revendications précédentes, caractérisé en ce que l'angle d'inclinaison (α) de l'axe médian (M) des éléments agitateurs (5) est compris entre 10° et 20°.
  4. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le rapport entre la section transversale d'entrée et la section transversale de sortie des éléments agitateurs (5) est compris entre 1,5 et 3,0.
  5. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les éléments agitateurs (5) sont placés dans le tiers inférieur du récipient (1).
EP01997344A 2000-11-23 2001-11-15 Dispositif permettant d'agiter un agent apte a l'ecoulement ou coulable, notamment un agent a haute viscosite Expired - Lifetime EP1335790B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20019941U 2000-11-23
DE20019941U DE20019941U1 (de) 2000-11-23 2000-11-23 Vorrichtung zum Rühren eines strömungsfähigen oder rieselfähigen Mediums, insbesondere eines hochviskosen Mediums
PCT/DE2001/004304 WO2002041982A1 (fr) 2000-11-23 2001-11-15 Dispositif permettant d'agiter un agent apte a l'ecoulement ou coulable, notamment un agent a haute viscosite

Publications (2)

Publication Number Publication Date
EP1335790A1 EP1335790A1 (fr) 2003-08-20
EP1335790B1 true EP1335790B1 (fr) 2004-07-28

Family

ID=7949230

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01997344A Expired - Lifetime EP1335790B1 (fr) 2000-11-23 2001-11-15 Dispositif permettant d'agiter un agent apte a l'ecoulement ou coulable, notamment un agent a haute viscosite

Country Status (14)

Country Link
US (1) US6921194B2 (fr)
EP (1) EP1335790B1 (fr)
JP (1) JP4078601B2 (fr)
KR (1) KR100527256B1 (fr)
CN (1) CN1230244C (fr)
AT (1) ATE271916T1 (fr)
CA (1) CA2422173C (fr)
DE (2) DE20019941U1 (fr)
DK (1) DK1335790T3 (fr)
ES (1) ES2225648T3 (fr)
PL (1) PL198527B1 (fr)
PT (1) PT1335790E (fr)
TR (1) TR200402537T4 (fr)
WO (1) WO2002041982A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20303151U1 (de) 2003-02-27 2003-04-30 INOTEC GmbH Transport- und Fördersysteme, 79761 Waldshut-Tiengen Vorrichtung zum Rühren eines viskosen, insbesondere eines hochviskosen Mediums
US8439554B2 (en) * 2006-07-13 2013-05-14 Randy Kaas Whisk attachment
DE102008005017B3 (de) * 2008-01-17 2009-03-12 INOTEC GmbH Transport- und Fördersysteme Rührorgan und Rührwerk zum Mischen und/oder Homogenisieren strömungsfähiger Medien
KR101063705B1 (ko) 2008-12-01 2011-09-07 현대자동차주식회사 도료 믹싱장치
DE102008063393B3 (de) * 2008-12-30 2010-06-02 Martin Hirzel Bördelrührer
DE102009021079B3 (de) * 2009-05-13 2010-11-25 Schottmüller, Horst, Dipl.-Ing. (FH) Hohlkörperrührer
EA022004B1 (ru) 2009-05-20 2015-10-30 Ксилеко, Инк. Способ осахаривания биомассы
ITVI20100008A1 (it) * 2010-01-21 2011-07-22 Revelin Evaristo & Figli Snc Mescolatore perfezionato
DE102010049034B4 (de) * 2010-10-21 2012-11-22 VISCO JET Rührsysteme GmbH Rührorgan und Rührwerk zum Mischen und/oder Homogenisieren strömungsfähiger Medien
CN102091549B (zh) * 2010-12-24 2012-11-21 东莞徐记食品有限公司 一种混合搅拌机
DE102011015316B4 (de) 2011-03-28 2016-09-15 VISCO JET Rührsysteme GmbH Rührwerk zum Mischen und/oder Homogenisieren strömungsfähiger Medien
CN103170279A (zh) * 2013-03-27 2013-06-26 印峰 一种改进的搅拌机用搅拌叶片
FR3068618B1 (fr) * 2017-07-10 2022-01-28 Fillon Technologies Dispositif d'agitation de fluide equipe d'un tel dispositif d'agitation
PL234662B1 (pl) * 2018-01-03 2020-03-31 Maksymilian Mazur Mieszadło pionowe z dyszowymi wirującymi modułami mieszającymi
IT201800010111A1 (it) 2018-11-07 2020-05-07 Cosmec Costruzioni Mecc S R L Apparecchiatura per la miscelazione di fluidi
IT201800010095A1 (it) 2018-11-07 2020-05-07 Cosmec Costruzioni Mecc S R L Dispositivo di miscelazione di fluidi
US11000814B1 (en) * 2018-11-19 2021-05-11 Donald Wynn, Sr. Mixing apparatus with shafts of different lengths having circular members
JP7336024B2 (ja) 2020-03-26 2023-08-30 富士フイルム株式会社 感放射線性樹脂組成物の製造方法、パターン形成方法

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US64928A (en) * 1867-05-21 Pfers
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DE604851C (de) 1934-10-30 Karl Wilh Danz Fa Vorrichtung zum Schlagen von Eiern und Sahne
US781917A (en) * 1904-03-30 1905-02-07 Harry Arthur Smith Egg-beater or cream-whipper.
US1223839A (en) * 1914-08-21 1917-04-24 William David Turner Egg-beater.
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Also Published As

Publication number Publication date
CA2422173A1 (fr) 2003-03-12
PL198527B1 (pl) 2008-06-30
CN1466484A (zh) 2004-01-07
KR100527256B1 (ko) 2005-11-09
WO2002041982A1 (fr) 2002-05-30
EP1335790A1 (fr) 2003-08-20
DK1335790T3 (da) 2004-12-06
ES2225648T3 (es) 2005-03-16
TR200402537T4 (tr) 2004-12-21
DE20019941U1 (de) 2001-02-22
PT1335790E (pt) 2004-10-29
CA2422173C (fr) 2006-09-19
DE50103041D1 (de) 2004-09-02
JP4078601B2 (ja) 2008-04-23
CN1230244C (zh) 2005-12-07
US20040037163A1 (en) 2004-02-26
US6921194B2 (en) 2005-07-26
KR20030059123A (ko) 2003-07-07
ATE271916T1 (de) 2004-08-15
PL360080A1 (en) 2004-09-06
JP2004513776A (ja) 2004-05-13

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