EP1155734B1 - Malaxeur vertical - Google Patents

Malaxeur vertical Download PDF

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Publication number
EP1155734B1
EP1155734B1 EP01110284A EP01110284A EP1155734B1 EP 1155734 B1 EP1155734 B1 EP 1155734B1 EP 01110284 A EP01110284 A EP 01110284A EP 01110284 A EP01110284 A EP 01110284A EP 1155734 B1 EP1155734 B1 EP 1155734B1
Authority
EP
European Patent Office
Prior art keywords
mixing
reducing machine
spirals
rotation
blades
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
EP01110284A
Other languages
German (de)
English (en)
Other versions
EP1155734A1 (fr
Inventor
Eberhard Dipl.-Ing. Lipp (FH)
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.)
Lipp Mischtechnik GmbH
Original Assignee
Lipp Mischtechnik 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 Lipp Mischtechnik GmbH filed Critical Lipp Mischtechnik GmbH
Publication of EP1155734A1 publication Critical patent/EP1155734A1/fr
Application granted granted Critical
Publication of EP1155734B1 publication Critical patent/EP1155734B1/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
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0726—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis having stirring elements connected to the stirrer shaft each by a single radial rod, other than open frameworks
    • 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
    • B01F27/114—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
    • 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
    • B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
    • B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
    • 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
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • B01F27/902—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms  cooperating with intermeshing elements fixed on the receptacle walls

Definitions

  • the invention relates to a mixing and dissolving machine with a vertical Rotating axis revolving, upward conveying mixing spiral.
  • a mixing machine with a mixing spiral is known for example from EP-A-0 063 171.
  • a machine with two interlocking screw bands is for example known from DE-23 34 789 A1 or DE-26 38 112 A1.
  • mixing and dissolving machines are two intermeshing Spirals are provided, which are attached to laterally spaced axes of rotation are.
  • between two and four rotating unions through the lid or bottom of the container be provided in which the coils are provided.
  • This container also has yet another elaborate double construction with an essentially 8-shaped one Cross-section. This design enables intensive mixing by relatively small portions of mix from one coil to the other be shoveled, but the structure is quite complicated.
  • the object of the present invention is therefore to provide a corresponding mixing and Specify disintegration machine, in which a simpler construction is possible at which in particular the container construction is less complicated and with which sufficient mixing quality is still achieved.
  • the first mentioned Mixing coil is arranged in the axial direction, a second mixing coil, wherein a transition zone extends between the mixing coils in the axial direction.
  • the invention has the advantage that only one axis of rotation must be present. This can be easily done with just one or a maximum of two rotary unions be stored on the intended container.
  • the invention has the The advantage that although there is only one axis of rotation, it is sufficient Mixing is achieved. In particular, this is possible in a simple way Container in the form of an uncomplicated cylinder.
  • the two mixing coils which are arranged axially one behind the other, which fundamentally both convey in the same axial direction upwards also different have axial flow rates, which means an additional, the shear intensifying the mixing occurs.
  • This different axial flow rate can either be achieved by the two mixing coils have different pitch angles or else by the two mixing helixes having different helix blade widths.
  • the two consecutive mixing coils have different speeds have or different directions of rotation.
  • each mixing paddle can have a different Conveyor angle can be equipped in both the axial and radial directions, whereby a further improved mixing effect can be achieved.
  • a further improvement in the mixing can be achieved if at least individual mixing blades one at their trailing ends in the direction of rotation have angled lifting edge through which one through the mixing blades raised portion of mix a short upward Impulse is given before this mix portion due to gravity again begins to sink, then from a trailing mixing scoop again is recorded and further mixed accordingly.
  • Mixing helixes are two essentially one above the other arranged mixing blades by a to the direction of rotation, in essentially vertically extending blade carrier connected to each other.
  • this Blade carrier on which, if necessary, more than two arranged one above the other Paddles can be attached, the mix can still be radial Direction accelerated or slowed down.
  • At least individual mixing blades can be used on the outside also with those located on the container wall Comb stowage elements. By the occurring in the area of the baffle elements Shear, the mixing effect is greatly increased.
  • the baffle elements can be both closed ring elements act as well as toothed ring elements, which are mounted on the container wall are. These ring elements can either only be segment-like over the circumference of the container or be arranged around its entire circumference.
  • a further improvement in the mixing effect is obtained if the Mixing coils are essentially aligned with the vertical axis of rotation Shaving head is arranged with which the sinking centrally around the axis of rotation Mix material is sheared again. Also a desired radial or axial Promotion of the mix can be influenced here. Works advantageously this shaving head together with an opposing head that has a different rotational speed and / or direction.
  • Figure 1 shows a mixing and dissolving machine according to the invention in the cut Side view.
  • drum-like housing 1 with a cylindrical shape that completed by a screwed-on cover 2 and a welded-in bottom 3 becomes.
  • a feed lance 6 is shown in the example shown here, with the mixed material filled through the feed opening 4, if necessary, during liquid to be added to the mixing process can.
  • a shaft 8 is guided into the housing 1 on a shaft bushing 7, whose vertical axis of rotation 9 coincides with the central axis of the housing 1.
  • FIG. 3 schematically shows how the individual Mixing blades are arranged.
  • a zero line is marked in FIG. 2, from which an angle ⁇ is measured.
  • Each of the mixing blades mentioned is via a blade carrier 17, as in FIG Figure 1 can be seen with a sitting over it, slightly offset in the circumferential direction connected to another mixing blade.
  • These are, as in FIG. 3, too can be recognized as mixing blades 11.2, 12.2 or 13.2 corresponding to the circumferential positions arranged at angles ⁇ of 0 °, 120 °, 240 °.
  • Each of these mixing blades has at its end trailing in the direction of rotation an upwardly angled lifting edge 18. This will make a serving Mix that was lifted from the mixing bucket with a light one Provide momentum upwards before it drops again slightly due to gravity and taken up by the subsequent mixing scoop and on again is led upwards.
  • mixing blade 13.2 shown is not directly one
  • the mix Liquid can be added to a desired viscosity of the mixed material adjust.
  • Such a liquid supply can, however, if necessary also take place centrally through the then hollow shaft 8, or also from below, which is also not shown.
  • Vane carrier 17 are employed in relation to the direction of rotation by one To support mixture favorably influencing mixture transport in the radial direction.
  • these blade carriers 17 are over Support arms 20 attached to the shaft 8 which on the in the direction of rotation (according to arrow 21 in FIG. 2) lying at the front a radially outwardly increasingly sloping side Have front surface 22. This also makes it possible to transport the mix supported radially outwards.
  • the lowest mixing blade available 11.1 is provided with a scraper 23 which extends over the bottom 3 of the housing 1 grazes and the mixed material settling there lifts.
  • the baffle elements 24 are on the wall of the cylindrical housing 1 of the mixing container Damming elements 24 attached.
  • the blades to be fitted to this baffle element 24 25 which, like the mixing blades described above, closely along the cylindrical Are guided container wall, form at its radially outer end with the Accumulation element 24 an additional shear gap of the mixing effect for the Vertical mixer reinforced.
  • One or more blades 25 can be used mesh over axially arranged rings 24. Of course apart from the all-round rings, only segments of it can be attached.
  • the baffle elements are also formed as toothed rings 26, which the Shear effect especially increased.
  • the present invention thus represents an effective device to to ensure a mixture preparation working in the vertical direction, in which highest homogeneity requirements with short batch times become.
  • the drive power does not become severe, but only occurs locally unnecessarily increased and wear is reduced, fragile solids are not destroyed and also no impermissibly high temperature increases exposed.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Claims (16)

  1. Machine à mélanger et désagréger avec une hélice mélangeuse (11.1 - 13.2) tournant autour d'un axe de rotation vertical (9) et transportant le produit vers le haut,
    caractérisée en ce que l'hélice mélangeuse (11.1 - 13.2) est suivie en direction axiale d'une deuxième hélice mélangeuse (14.1 - 16.2), une zone de transition (19) s'étendant en direction axiale entre les hélices mélangeuses (11.1 - 13.2; 14.1 - 16.2).
  2. Machine à mélanger et désagréger selon la revendication 1, caractérisée en ce que la zone de transition (19) est dépourvue d'hélice mélangeuse.
  3. Machine à mélanger et désagréger selon la revendication 1, caractérisée en ce que les deux hélices mélangeuses (11.1 - 13.2; 14.1 - 16.2) présentent des quantités transportées axialement différentes.
  4. Machine à mélanger et désagréger selon la revendication 3, caractérisée en ce que les deux hélices mélangeuses (11.1 - 13.2; 14.1 - 16.2) présentent des angles d'hélice différents.
  5. Machine à mélanger et désagréger selon la revendication 3, caractérisée en ce que les deux hélices mélangeuses (11.1 - 13.2; 14.1 - 16.2) présentent des largeurs de pale d'hélice différentes.
  6. Machine à mélanger et désagréger selon la revendication 3, caractérisée en ce que les deux hélices mélangeuses (11.1 - 13.2; 14.1 - 16.2) présentent des vitesses de rotation différentes.
  7. Machine à mélanger et désagréger selon la revendication 1, caractérisée en ce que les deux hélices mélangeuses (11.1 - 13.2; 14.1 - 16.2) présentent des directions de rotation différentes.
  8. Machine à mélanger et désagréger, notamment selon le préambule de la revendication 1, caractérisée en ce que l'hélice est interrompue en direction circonférentielle et se compose de pales mélangeuses (11.1, 12.1, 13.1, 11.2, 12.2, 13.2 ; 14.1, 15.1, 16.1, 14.2, 15.2, 16.2) montées en succession en direction circonférentielle.
  9. Machine à mélanger et désagréger selon la revendication 8, caractérisée en ce qu'au moins certaines pales mélangeuses (11.1 - 16.2) présentent, à leurs extrémités postérieures dans la direction de rotation, un bord de soulèvement (18) qui est coudé vers le haut.
  10. Machine à mélanger et désagréger selon la revendication 8, caractérisée en ce que des pales mélangeuses (11.1/.2 à 16.1/.2) disposées essentiellement en superposition sont reliées par un support de pales (17) incliné par rapport à la direction de rotation.
  11. Machine à mélanger et désagréger selon la revendication 8, caractérisée en ce que les pales mélangeuses (11.1 - 16.2) sont fixées sur un arbre central (8) par des bras porteurs (20) dont la face frontale (22) présente au moins sectoriellement un chanfreinage augmentant radialement vers l'extérieur.
  12. Machine à mélanger et désagréger selon la revendication 8, caractérisée en ce qu'au moins certaines pales mélangeuses (25) sont en prise sur leur côté extérieur avec des éléments d'accumulation (24, 26) situés sur une paroi de récipient (1).
  13. Machine à mélanger et désagréger selon la revendication 12, caractérisée en ce que les éléments d'accumulation sont des éléments annulaires fermés (24).
  14. Machine à mélanger et désagréger selon la revendication 12, caractérisée en ce que les éléments d'accumulation sont des éléments annulaires dentés (26).
  15. Machine à mélanger et désagréger selon la revendication 12, caractérisée en ce que les éléments d'accumulation sont disposés en segments sur la circonférence du récipient.
  16. Machine à mélanger et désagréger selon la revendication 1, caractérisée en ce qu'une tête de cisaillement (27), alignée avec l'axe de rotation vertical (9), est disposée à une extrémité des hélices mélangeuses.
EP01110284A 2000-05-16 2001-04-26 Malaxeur vertical Expired - Lifetime EP1155734B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10023698 2000-05-16
DE10023698A DE10023698A1 (de) 2000-05-16 2000-05-16 Vertikalmischer

Publications (2)

Publication Number Publication Date
EP1155734A1 EP1155734A1 (fr) 2001-11-21
EP1155734B1 true EP1155734B1 (fr) 2003-03-05

Family

ID=7642076

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01110284A Expired - Lifetime EP1155734B1 (fr) 2000-05-16 2001-04-26 Malaxeur vertical

Country Status (3)

Country Link
US (1) US6786631B2 (fr)
EP (1) EP1155734B1 (fr)
DE (2) DE10023698A1 (fr)

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DE10036225B4 (de) * 2000-07-26 2004-05-13 Christian Lambrecht Schraubenband-Mischwerk
SE531967C2 (sv) 2007-03-10 2009-09-15 Huhnseal Ab Apparat för omrörning av ett visköst medium, användning därav, datorprogram för apparaten samt omrörarelement, som innefattas i apparaten
WO2010082391A1 (fr) * 2009-01-16 2010-07-22 Dic株式会社 Dispositif d'agitation et procédé d'agitation
KR101602080B1 (ko) * 2011-11-28 2016-03-17 아사히 가세이 케미칼즈 가부시키가이샤 스팀 스트리핑 장치 및 이것을 이용한 스팀 스트리핑 마무리 방법
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US10058872B2 (en) 2014-07-03 2018-08-28 STT Enviro Corp. Vertical ball mill with internal materials flow conduit
CN104525015B (zh) * 2015-01-16 2016-07-06 河南省科学院能源研究所有限公司 一种生物质料仓物料搅拌装置
DE102015106512A1 (de) 2015-04-28 2016-11-03 EKATO Rühr- und Mischtechnik GmbH Rührorganvorrichtung
CN105286061B (zh) * 2015-11-24 2017-10-17 晋江妙客食品有限公司 鸡精成型装置
RU2635693C1 (ru) * 2017-01-30 2017-11-15 Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный аграрный университет имени И.Т. Трубилина" Сеялка рядкового высева семян
CN107115806A (zh) * 2017-06-15 2017-09-01 太和县美欣药业有限公司 一种药物原料加工用搅拌装置
CN108499408A (zh) * 2018-04-10 2018-09-07 广东金宝力化工科技装备股份有限公司 一种大批量水性树脂自动化生产装置
CN111676786A (zh) * 2020-05-17 2020-09-18 北京点域科技有限公司 一种路面坑槽联合修补机装置
CN112588151A (zh) * 2020-11-30 2021-04-02 众安卫生防疫技术(广东)有限公司 一种自动调配全方位变速搅拌智能搅拌装置

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Also Published As

Publication number Publication date
DE50100116D1 (de) 2003-04-10
EP1155734A1 (fr) 2001-11-21
US6786631B2 (en) 2004-09-07
DE10023698A1 (de) 2001-11-22
US20020031048A1 (en) 2002-03-14

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