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EP1273341B1 - Dispositif pour mélanger verticalement - Google Patents

Dispositif pour mélanger verticalement Download PDF

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Publication number
EP1273341B1
EP1273341B1 EP01115708A EP01115708A EP1273341B1 EP 1273341 B1 EP1273341 B1 EP 1273341B1 EP 01115708 A EP01115708 A EP 01115708A EP 01115708 A EP01115708 A EP 01115708A EP 1273341 B1 EP1273341 B1 EP 1273341B1
Authority
EP
European Patent Office
Prior art keywords
mixer
product
outlet
mixing
shaft
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
EP01115708A
Other languages
German (de)
English (en)
Other versions
EP1273341A1 (fr
Inventor
Heinz Binder
Andrea Hermsmeyer
Philipp Hanimann
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.)
Buehler AG
Original Assignee
Buehler 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
Priority to AT01115708T priority Critical patent/ATE302054T1/de
Priority to EP01115708A priority patent/EP1273341B1/fr
Priority to DK01115708T priority patent/DK1273341T3/da
Priority to DE50107118T priority patent/DE50107118D1/de
Priority to ES01115708T priority patent/ES2248199T3/es
Application filed by Buehler AG filed Critical Buehler AG
Priority to CNB01120351XA priority patent/CN100525894C/zh
Priority to US09/973,811 priority patent/US6789935B2/en
Publication of EP1273341A1 publication Critical patent/EP1273341A1/fr
Application granted granted Critical
Publication of EP1273341B1 publication Critical patent/EP1273341B1/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
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • B01F27/906—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms  with fixed 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 
    • 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
    • B01F35/45—Closures or doors specially adapted for mixing receptacles; Operating mechanisms therefor
    • B01F35/452—Closures or doors specially adapted for mixing receptacles; Operating mechanisms therefor by moving them in the plane of the opening
    • B01F35/4521—Closures or doors specially adapted for mixing receptacles; Operating mechanisms therefor by moving them in the plane of the opening by rotating them about an axis perpendicular to the plane of the opening
    • 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
    • B01F35/75—Discharge mechanisms
    • B01F35/751—Discharging by opening a gate, e.g. using discharge paddles
    • 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
    • B01F2101/06—Mixing of food ingredients
    • 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
    • B01F27/111—Centrifugal stirrers, i.e. stirrers with radial outlets; Stirrers of the turbine type, e.g. with means to guide the flow
    • 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
    • B01F27/191—Stirrers with two or more mixing elements mounted in sequence on the same axis with similar 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
    • B01F27/21—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by their rotating shafts
    • B01F27/2122—Hollow shafts
    • 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
    • B01F35/50—Mixing receptacles
    • B01F35/52—Receptacles with two or more compartments

Definitions

  • the invention relates to a device for vertical mixing of liquid, gaseous, powdery and / or pasty products with a arranged in a housing Mixing tool, with at least one inlet for the products to be mixed, with at least one outlet and at least one drive.
  • Such mixing methods or devices are used, for example, in the animal feed industry applied. They serve, in particular, gaseous, liquid, granular, pulverulent, floury and / or pasty substances of very different viscosity with each other to mix, in particular the most different types of animal feed, which Molasses, fats, etc. are added.
  • Such a mixer has become known from US-3,415,494. There is a vertical one Mixer with a housing and described with a paddle mixing device described. The product to be mixed is added to the mixer from above and discharged laterally after the batchwise mixing process.
  • DE-A1 41 27 873 discloses a kneading device for mass to be kneaded, in particular Sourdough by means of a vertical mixer.
  • This mixer has a shaft Ristorstangen on and on the container inner wall stator rods are arranged, the interact with these rotor bars.
  • the kneading device has a fill level control on and for the discharge of the kneaded product, a pump is needed. A free-flowing discharge of the product is obviously not possible.
  • a continuous mixer for washing gravel and the like according to US-PS 3,845,905 with the contamination of gravel before a washing or sieving process should be mechanically separated. To loosen up the material are Stirring pairs are provided in the catchment area and the passage of the gravel is made exclusively gravity.
  • a stirrer is vertically arranged in a mixing chamber, whose Upper impellers push the introduced water downwards and the bottommost impeller suitable to move the water in the opposite direction.
  • the mixing blades are not adjustable, but fixed in its shape and arrangement and the discharge of the Emulsions take place through an opening in the ceiling area of the mixing device.
  • the invention is therefore based on the object to propose a device at det the mixing process with the lowest energy consumption, an optimal mix Addition of liquids of various viscosity and a batch-free, i. continuous Mixing done.
  • This object is achieved by a device in which the mixer is fully filled in the operating state, the mixed product by means of at least one Mixing tool (At least one of them backwards promoting) on the one hand in the direction of the inner wall of the housing is pressed and the other is conveyed upwards, the Mixed product due to the product pressure required by the above mixing tools Product column is steadily pumped down and in this way with the Blending tools a shear field is constructed (alternatively or additionally, the Product pressure can also be built up via an (additional) pressure device), the Product flow, from the inlets of the products to be mixed to the Outlet of the product to be mixed is carried out continuously, the starting materials constantly introduced into the mixer and the flow of the starting materials by means of a product discharge device provided at the outlet can be metered in a controllable manner.
  • the at least one mixing tool is arranged on a rotating shaft. Preferably is arranged at this also at the outlet a product discharge device.
  • the operating principle of the mixer according to the invention is that it is made of the full product stream is working, i. the mixer interior is always full.
  • the mixing product to be mixed which reaches the area of the mixing tools, is set in a rotational movement and against the inner wall of the mixer housing pressed, e.g. Paddle of the mixing tool on reverse conveying at least are partially set, i. opposite to the product flow, resulting in a shear field builds.
  • the vaporous, liquid or pasty additions are above the first (seen from the top in the product flow), for example paddle-shaped Mixing tools or at the level of the same introduced and mixed with the product offset in the direction of rotation.
  • the liquid or pasty additions are always passed into the product, as the mixer interior always filled.
  • the throughput is regulated.
  • a continuous, i. dosable Ensures mixing process. It is thereby possible a self-dosing.
  • the addition Steam can be done with the spout closed.
  • the mixer is This can be connected directly to a feed cube press or to an expander.
  • the product closure upwards has a positive effect on the temperature. This allows for example when used with flour high temperatures with less Humidity.
  • the upper part of the mixer interior is always filled. Another, associated advantage is that a contamination of the inlet part is excluded.
  • the 100% degree of filling allows the use of shear forces. At the same time, it works Product pressure from the product column required above the mixing tools. Alternatively or additionally, the product pressure may also be via an additional printing device being constructed. The promotion of the product can also be by gravity in reverse conveying mixing tools, e.g. Paddling, done.
  • the mixer is characterized by a very simple construction.
  • the mixer is very easy to wait. It can be opened within a few seconds. A Isolation or heating is thus very easy to implement. Otherwise works the mixer is vibration-free.
  • the advantages associated with the device are in particular that after the flow principle is used and the degree of filling is always the same. This makes possible a better mixing of the liquids or the viscous pastes in the dry Product.
  • the mixer is less polluted, which greatly simplifies cleaning and temperature detection is more accurate.
  • An essential advantage of the device is that the products to be mixed can be sanitized by the addition of steam.
  • a feed of the mixer from several silo cells is possible.
  • the feed cube press or the expander can be controlled load-dependent. Because of the exact Temperature determination in the mixer, the feed cube press or the expander with be approached predetermined setpoint temperatures. A dosing with frequency control eliminated. Furthermore omitted when using this inventive Mischers bonding in the area of the inlet of the feed die presses or the Expander. If it should come to the Futterschulfelpressenetzstau, without mixer emptying continue driving straight away. Especially with the addition of molasses, although even cold molasses is possible, little sticking or clumping occur on.
  • Fig. 1 shows a schematic representation of a section through the inventive Mixing device.
  • the mixer 1 comprises a housing 6 with an inlet 7 and an outlet 8. Within the housing 8 is a hollow shaft 2, in which a another wave 3 is located. On the hollow shaft 2 are the paddle-shaped Attached mixing tools 4. The hollow shaft 2 and the inner shaft 3 are by means of a Driven drive 13 via a belt overdrive 12. Below the outlet 8 is a connected to the inner shaft 3 rotary valve 9 is provided. Above and in the Area of the paddle-shaped mixing tools 4 are supply points 10 for gases, liquids and / or pasty products arranged. In the operating state of the mixer is the interior 5 is filled to the top with product, so that the 10 via the addition points incorporated products, e.g. Molasses, water and / or steam directly into the product 11 can be initiated. The product to be mixed is from the paddles 4 on pressed the wall. The paddles 4 are partially set to backward promotion, i.e. against the product stream.
  • the product to be mixed
  • Fig. 2 the lower part of the mixer is in another preferred embodiment shown.
  • the reference numerals are the same as in Fig. 1.
  • the bottom of the mixer housing 6 is an opening 14 attached, which depends on the rotary valve of the desired Dosing is closed or open.
  • the rotary valve 9 which is arranged on the inner shaft 3, via a belt overdrive 12 (see FIG. 1) connected to the speed-dependent control of the dosage with the hollow shaft 2 or be driven separately.
  • the separate drive of the inner shaft 3 with the rotary valve 9 is not shown in the drawing.
  • Above the opening 14 is within the housing 6 an intermediate bottom 15 is provided, which opens the opening 14 from the top shielding by flowing product.
  • the intermediate bottom 15 has opposite to Opening 14 an opening 16.
  • the speed range of the mixing is 200 rpm to 1000 rpm, preferably approx. 250 rpm.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Confectionery (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)

Claims (9)

  1. Dispositif pour le mélange vertical de produits gazeux, liquides, pulvérulents et/ou pâteux, avec au moins un outil mélangeur disposé dans un carter, avec au moins une entrée pour les produits à mélanger, avec au moins une sortie et avec au moins un entraínement, les outils mélangeurs étant disposés sur un arbre et sur un dispositif d'évacuation du produit prévu en sortie (8), caractérisé en ce que le mélangeur (1) comporte des zones d'addition latérales (10) sur le carter (6) pour les additifs gazeux, liquides, pulvérulents, respectivement pâteux et en ce qu'un fond intermédiaire (15) muni d'un orifice (16) est prévu au-dessus de l'orifice (4) de la sortie (8) dans le fond du carter (18), le fond intermédiaire (15) bouchant la section transversale de l'orifice (14) de la sortie (8), pour dévier le produit à mélanger (11).
  2. Dispositif selon la revendication 1, caractérisé en ce que l'outil mélangeur est doté d'ailettes (4).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que l'arbre est conçu en tant qu'arbre creux, les ailettes (4) étant disposées sur l'arbre creux (2) et un arbre interne (3) pour une vanne rotative (9) prévue en sortie (8) étant disposé à l'intérieur de l'arbre creux (2).
  4. Dispositif selon la revendication 3, caractérisé en ce que l'entraínement (13) est relié par l'intermédiaire d'une transmission réglable avec l'arbre creux (2) et avec l'arbre interne (3) de la vanne rotative (9) ou que l'arbre interne (3) peut être entraíné séparément avec la vanne rotative (9).
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'un outil d'évacuation (19) est disposé sur l'arbre, respectivement sur l'arbre creux (2), entre le fond intermédiaire (15) et le fond (18).
  6. Dispositif selon au moins l'une des revendications 1 à 5, caractérisé en ce que les outils mélangeurs sont au moins partiellement réglés pour un transport vers l'arrière, c'est-à-dire à contre-courant du flux de produit.
  7. Dispositif selon au moins l'une des revendications 1 à 6, caractérisé en ce que le mélangeur est placé directement en amont et/ou en aval d'une extrudeuse, d'une presse à cubes de fourrage ou d'un expanseur et/ou placé en amont ou en aval d'un mélangeur par lots.
  8. Utilisation d'un dispositif selon les revendications 1 à 7 pour mélanger des produits sous forme de vapeur, sous forme liquide, pulvérulente et/ou pâteuse, caractérisée en ce que
    en état d'exploitation, le dispositif (1) est constamment entièrement rempli
    une zone de cisaillement est créée dans la produit à mélanger (11), respectivement dans le flux de produit, à l'aide de l'outil mélangeur et
    le flux de produit (11) est continu, à partir des entrées (7, 10) pour les produits à mélanger (11, 17) jusque vers la sortie (8) du produit à mélanger (11, 17), les produits initiaux (11, 17) étant introduits en continu dans le mélangeur (1) et le flux de produits initiaux (11, 17) pouvant être réglé de façon dosable à la sortie (8).
  9. Utilisation d'un dispositif selon la revendication 8, en tant que dispositif de dosage.
EP01115708A 2001-07-05 2001-07-05 Dispositif pour mélanger verticalement Expired - Lifetime EP1273341B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP01115708A EP1273341B1 (fr) 2001-07-05 2001-07-05 Dispositif pour mélanger verticalement
DK01115708T DK1273341T3 (da) 2001-07-05 2001-07-05 Apparat til vertikal blanding
DE50107118T DE50107118D1 (de) 2001-07-05 2001-07-05 Vorrichtung zum vertikalen Mischen
ES01115708T ES2248199T3 (es) 2001-07-05 2001-07-05 Dispositivo para mezclado vertical.
AT01115708T ATE302054T1 (de) 2001-07-05 2001-07-05 Vorrichtung zum vertikalen mischen
CNB01120351XA CN100525894C (zh) 2001-07-05 2001-08-09 立式混合的方法及其装置
US09/973,811 US6789935B2 (en) 2001-07-05 2001-10-11 Method for vertical mixing and device for this

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01115708A EP1273341B1 (fr) 2001-07-05 2001-07-05 Dispositif pour mélanger verticalement
CNB01120351XA CN100525894C (zh) 2001-07-05 2001-08-09 立式混合的方法及其装置
US09/973,811 US6789935B2 (en) 2001-07-05 2001-10-11 Method for vertical mixing and device for this

Publications (2)

Publication Number Publication Date
EP1273341A1 EP1273341A1 (fr) 2003-01-08
EP1273341B1 true EP1273341B1 (fr) 2005-08-17

Family

ID=27178797

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01115708A Expired - Lifetime EP1273341B1 (fr) 2001-07-05 2001-07-05 Dispositif pour mélanger verticalement

Country Status (7)

Country Link
US (1) US6789935B2 (fr)
EP (1) EP1273341B1 (fr)
CN (1) CN100525894C (fr)
AT (1) ATE302054T1 (fr)
DE (1) DE50107118D1 (fr)
DK (1) DK1273341T3 (fr)
ES (1) ES2248199T3 (fr)

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CN110787682B (zh) * 2019-10-22 2021-12-07 中国核工业中原建设有限公司 一种建筑腻子自动配置设备
CN111686617B (zh) * 2020-05-08 2022-06-17 南京涵曦月自动化科技有限公司 一种环保家具漆用粉体添加混合装置
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IT1277112B1 (it) * 1995-12-20 1997-11-04 Vomm Chemipharma Srl Processo per la produzione di cellulosa
DE59704349D1 (de) * 1996-05-10 2001-09-27 Barmag Barmer Maschf Extruder für Kunststoffgranulat

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EP1273341A1 (fr) 2003-01-08
US20030072215A1 (en) 2003-04-17
ATE302054T1 (de) 2005-09-15
CN1404910A (zh) 2003-03-26
DK1273341T3 (da) 2006-01-02
DE50107118D1 (de) 2005-09-22
ES2248199T3 (es) 2006-03-16
US6789935B2 (en) 2004-09-14
CN100525894C (zh) 2009-08-12

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