EP1477239A1 - Dispositif de mélange et/ou d'homogénéisation - Google Patents

Dispositif de mélange et/ou d'homogénéisation Download PDF

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Publication number
EP1477239A1
EP1477239A1 EP03010822A EP03010822A EP1477239A1 EP 1477239 A1 EP1477239 A1 EP 1477239A1 EP 03010822 A EP03010822 A EP 03010822A EP 03010822 A EP03010822 A EP 03010822A EP 1477239 A1 EP1477239 A1 EP 1477239A1
Authority
EP
European Patent Office
Prior art keywords
container
stirrer
cleaning solution
cleaning
mixing
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.)
Withdrawn
Application number
EP03010822A
Other languages
German (de)
English (en)
Inventor
Manfred Müller
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.)
Vakumix Ruehr- und Homogenisiertechnik AG
Original Assignee
Vakumix Ruehr- und Homogenisiertechnik 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 Vakumix Ruehr- und Homogenisiertechnik AG filed Critical Vakumix Ruehr- und Homogenisiertechnik AG
Priority to EP03010822A priority Critical patent/EP1477239A1/fr
Publication of EP1477239A1 publication Critical patent/EP1477239A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
    • B08B9/0813—Cleaning containers having tubular shape, e.g. casks, barrels, drums by the force of jets or sprays
    • 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
    • B01F35/10—Maintenance of mixers
    • B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
    • B01F35/1452—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids
    • B01F35/1453—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids by means of jets of fluid, e.g. air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
    • 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
    • B01F27/21—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by their rotating shafts
    • B01F27/2122—Hollow shafts

Definitions

  • This mixing container usually contain an agitator and often one Homogenizer arranged in the lower area.
  • the mixing containers must be cleaned regularly. It is already known in the prior art for a so-called CIP (cleaning in place) cleaning to provide separate washing heads. These are usually arranged stationary in the mixing container.
  • the invention has for its object a device of the kind mentioned at the beginning to create the simple and effective is to be cleaned.
  • the invention solves this problem in that the least a nozzle for cleaning solution is rotatably connected to the stirrer is.
  • the container takes the ones to be mixed and / or homogenized Fabrics on.
  • the container is preferably rotationally symmetrical trained, more preferably the stirrer has one Agitator axis or shaft that is in the rotational symmetry axis of the container.
  • the invention usually takes place Use in so-called homogenizing mixers or mixers with agitator, but can also be used for storage containers in which substances are stored for a long time and the one or more agitators to prevent sedimentation or the like.
  • a cleaning solution any suitable medium (preferably an aqueous medium) Solution) that is suitable for cleaning the interior of the container is.
  • the cleaning solution is in from at least one nozzle entered the container interior, especially sprayed on or sprayed on.
  • nozzle means any suitable one Outlet opening for cleaning solution.
  • One or more nozzles are provided that cover a larger area of the interior of the container.
  • the nozzle or the nozzles are non-rotatable connected to the stirrer. That means the exit direction the cleaning solution and / or that of the cleaning solution swept area in sync with rotation the stirrer changes.
  • the spray jets can be related to the Have a radial main direction, in In this case the spray direction changes synchronously with the stirrer rotation.
  • nozzles with a Main spray direction provided parallel to the agitator axis be, which are then arranged radially spaced from the agitator axis are.
  • the spray jets can also be a main direction with both radial and axial components. Fan or cone nozzles are also preferred with a fan or cone-shaped spray, a larger one Sweep the area.
  • the nozzles in addition to the non-rotatable connection have additional degrees of freedom of movement with the stirrer.
  • Wash head can be provided by the non-rotatable connection executes a circular movement with the stirrer axis, the Wash head in turn on the radial direction (based on the feed line pointing the stirrer axis) rotatably is so that it has an additional axis of rotation around this line Can perform rotary motion. In this way, if necessary an even better sweep of the inside of the container with cleaning solution.
  • the invention allows safe and effective cleaning a container.
  • the container is emptied or partially or completely filled with a cleaning solution, then the nozzles are treated with cleaning solution and the stirrer started.
  • the stirrer drive causes the cleaning solution to flow from the nozzle or completely sweeps over areas to be reached.
  • the agitator drive is thus a Double function assigned because it is one hand for mixing of the mix and on the other hand during the cleaning operation uniform and complete cleaning of the inside of the container ensures.
  • the supply line for cleaning solution is preferably coaxial arranged to the stirrer shaft or stirrer shaft.
  • the coaxial arrangement is usually only in a partial area of the stirrer axis before, in particular the implementation of the stirrer axis through the container wall (preferably the container lid) includes. This way you can open the opening anyway or the flange for the stirrer axis for the supply of the cleaning solution to be used.
  • the supply line for cleaning solution inside the stirrer axis or shaft, which is accordingly designed as a hollow shaft is particularly preferred.
  • stirrer axis points outside the mixing container then a suitable rotary feedthrough for feeding the hollow stirrer shaft with cleaning solution, inside the Container branch one or more lines from the hollow shaft for feeding the nozzles connected to the stirrer in a rotationally fixed manner from.
  • Wash head Two or more nozzles are preferred in a so-called Wash head arranged.
  • it can be a ball, Act hemisphere or the like, over the surface distributes nozzles or corresponding outlet openings for cleaning solution are arranged.
  • the wash head is preferred radially spaced from the stirrer axis, he can For example, rotate about half the radius of the container and this way a large area of the container interior or paint over the entire interior of the container. Possibly can have a plurality of washing heads axially and / or radially be staggered.
  • the washing nozzles or heads arranged be on all sides of these corresponding installation parts Cleaning solution sprayed or washed around. In this way can also clean hard-to-reach areas properly become.
  • Part of the container lid is schematically of the mixing container (1).
  • the container lid (1) has one at (8) shown flange with appropriate seals to carry out a stirrer shaft (3).
  • This stirrer axis (3) can be set in rotation by a drive (2).
  • the stirrer shaft (3) is hollow in the upper area, she has a rotary union (5) at the upper end, by means of which can be fed in at (6) cleaning liquid.
  • On the stirrer shaft (3) is inside the container in the upper area a washing head arm (7) is attached to the container, which is spaced radially from the stirrer shaft (3) a washing head (4) with a Has a plurality of schematically illustrated washing nozzles, let the washing liquid flow out in all directions.
  • the washing head (4) is above the line Washer arm (7) in fluid communication with the bore the stirrer shaft (3). On the stirrer shaft (3) are also Stirring elements not shown in the drawing for mixing of the mix arranged. It is preferred if the washing head (4) or optionally a plurality of washing heads arranged above the usual mix level in the interior of the container is, so that in a normal stirring operation Wash head (4) is not immersed in the mix. With this usual Stirring operation is no cleaning liquid at (6) fed.
  • the inside of the container is cleaned after the product has been emptied of the mixing container at (6) cleaning solution and the stirrer is rotated by means of the drive (2).
  • the cleaning solution emerging from the washing head (4) now evenly sweeps the inside of the container.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Accessories For Mixers (AREA)
  • Cleaning In General (AREA)
EP03010822A 2003-05-14 2003-05-14 Dispositif de mélange et/ou d'homogénéisation Withdrawn EP1477239A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03010822A EP1477239A1 (fr) 2003-05-14 2003-05-14 Dispositif de mélange et/ou d'homogénéisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03010822A EP1477239A1 (fr) 2003-05-14 2003-05-14 Dispositif de mélange et/ou d'homogénéisation

Publications (1)

Publication Number Publication Date
EP1477239A1 true EP1477239A1 (fr) 2004-11-17

Family

ID=33016890

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03010822A Withdrawn EP1477239A1 (fr) 2003-05-14 2003-05-14 Dispositif de mélange et/ou d'homogénéisation

Country Status (1)

Country Link
EP (1) EP1477239A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3138167A (en) * 1963-06-18 1964-06-23 Sprout Waldron & Co Inc Mixer for feeds and the like
DE3637060A1 (de) * 1986-10-31 1988-05-05 Wacker Chemie Gmbh Vorrichtung zum einspruehen oder einspritzen von fluessigkeit in einen behaelter und ihre verwendung
EP0760254A1 (fr) * 1995-08-29 1997-03-05 Vakumix Rühr- und Homogenisiertechnik Aktiengesellschaft Dispositif pour l'homogénéisation de matériaux coulants
EP1264630A2 (fr) * 2001-06-05 2002-12-11 Withdeal Limited Appareil mélangeur

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3138167A (en) * 1963-06-18 1964-06-23 Sprout Waldron & Co Inc Mixer for feeds and the like
DE3637060A1 (de) * 1986-10-31 1988-05-05 Wacker Chemie Gmbh Vorrichtung zum einspruehen oder einspritzen von fluessigkeit in einen behaelter und ihre verwendung
EP0760254A1 (fr) * 1995-08-29 1997-03-05 Vakumix Rühr- und Homogenisiertechnik Aktiengesellschaft Dispositif pour l'homogénéisation de matériaux coulants
EP1264630A2 (fr) * 2001-06-05 2002-12-11 Withdeal Limited Appareil mélangeur

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