EP1382381A1 - Mélangeur horizontal ayant un diametre supérieur à sa longueur - Google Patents

Mélangeur horizontal ayant un diametre supérieur à sa longueur Download PDF

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Publication number
EP1382381A1
EP1382381A1 EP03012879A EP03012879A EP1382381A1 EP 1382381 A1 EP1382381 A1 EP 1382381A1 EP 03012879 A EP03012879 A EP 03012879A EP 03012879 A EP03012879 A EP 03012879A EP 1382381 A1 EP1382381 A1 EP 1382381A1
Authority
EP
European Patent Office
Prior art keywords
mixing device
mixing
mixer
vessel
container
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Withdrawn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
EP03012879A
Other languages
German (de)
English (en)
Inventor
Hartmut Dr. Haverland
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.)
Gebrueder Loedige Maschinenbau GmbH
Original Assignee
Gebrueder Loedige Maschinenbau 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 Gebrueder Loedige Maschinenbau GmbH filed Critical Gebrueder Loedige Maschinenbau GmbH
Publication of EP1382381A1 publication Critical patent/EP1382381A1/fr
Withdrawn legal-status Critical Current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
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • 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
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/83—Mixing plants specially adapted for mixing in combination with disintegrating operations
    • B01F33/833—Devices with several tools rotating about different axis in the same receptacle
    • 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
    • B01F35/451—Closures or doors specially adapted for mixing receptacles; Operating mechanisms therefor by rotating them about an axis parallel 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
    • B01F35/50—Mixing receptacles
    • 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
    • B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
    • B01F35/75415—Discharge mechanisms characterised by the means for discharging the components from the mixer using gravity
    • 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
    • B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
    • B01F35/7545—Discharge mechanisms characterised by the means for discharging the components from the mixer using slides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2215/00—Auxiliary or complementary information in relation with mixing
    • B01F2215/04—Technical information in relation with mixing
    • B01F2215/0413—Numerical information
    • B01F2215/0418—Geometrical information
    • B01F2215/0422—Numerical values of angles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2215/00—Auxiliary or complementary information in relation with mixing
    • B01F2215/04—Technical information in relation with mixing
    • B01F2215/0413—Numerical information
    • B01F2215/0418—Geometrical information
    • B01F2215/0431—Numerical size values, e.g. diameter of a hole or conduit, area, volume, length, width, or ratios thereof
    • 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

Definitions

  • Horizontal mixers and vertical mixers are known in the prior art. At A horizontal mixer runs the axis with the mixing tool is populated horizontally. With a vertical mixer, the above runs Axis vertical.
  • a horizontal mixer can mix substances better than one Vertical mixer. The reason for this is that the liquids to be mixed and solid components are thrown upwards by the mixing tool. This results in larger surfaces. An improved one Mixing behavior is the result.
  • the product bed is in relation to Volume in the horizontal mixer larger.
  • the mixing tools In a mixer, the mixing tools must be at a distance from the wall adhere so they don't scrape the wall and avoid inaccuracies to balance the geometry of the wall or the mixing tool. at a vertical mixer, the distance is typically 2 mm.
  • the distance between one Mixer wall and a mixing tool estimated 3 - 5 mm. root cause the reason for this is that the axis deflects when the mixer is elongated. This results in the need for the aforementioned larger Keep distance. A larger distance is also due to the construction observed. In particular, the distance between the floor and Mixing tool in the vertical mixer the aforementioned few millimeters because it's a flat floor. From a technical point of view the precise distance is easier to realize. This distance is decisive about the remaining volume in a mixer when emptying.
  • a vertical mixer If a vertical mixer is emptied, the mixing tool scrapes over the Soil and thus contributes to complete or almost complete emptying. Typically, about 1 o / oo, for example 10 liters, remains with one Volume of 2,000 liters.
  • the horizontal mixer also has the disadvantage of being elongated to be, so that a correspondingly elongated emptying vessel is required if the floor is to be opened to its full length. This is usually necessary to ensure good emptying.
  • the emptying works very well with a horizontal mixer if the Bottom can be opened along the entire length of the mixer.
  • the disadvantage is an elongated vessel, which is used to hold the Mixed goods must be used that are difficult to handle. In particular, it cannot be used as a means of transport. For this are Use compact, shorter vessels.
  • the horizontal mixer known from the prior art cannot then with a floor that can be opened over the entire length, when the products to be mixed need to be changed quickly. In In this case it is necessary to place the container below the Use the mixing vessel as a transport vessel. When using long vessels thus shifts the problem of cleaning from Mixer on the jar. The cleaning of a long container is more complex than a short one. Therefore short transport containers are necessary. It then mixers with sockets would have to be used. In this case, this occurs Problem of lack of emptying. Such a case is special problematic if, for example, a dark spice first must be mixed and then a light spice.
  • the object of the invention is to provide a mixer in which a Complete emptying is ensured in the aforementioned sense, which in Food sector can be used and where products are mixed can be changed easily.
  • the mixer has a design which deviates from the state of the art.
  • Horizontal mixers are typically used in the prior art, whose diameter is 500 mm to 2,000 mm.
  • the length of the mixer is typically two to three times the diameter. According to the invention, the diameter exceeds the length.
  • the volume of the mixer according to the invention is typically at least 300 liters. A typical upper limit is 8000 liters.
  • the vessel with reinforcement rings.
  • the reinforcement rings are out of volume so that they do not interfere with the mixing process and provide a dead space.
  • a flap is used for horizontal mixers provided, which is typically pivoted up or down to to get into the mixer volume. Is a very large diameter provided, the flap can only be kept relatively small. To the one for space reasons, since the flap is not higher than the ceiling is open. On the other hand, for reasons of handling, since accordingly large doors become very heavy and possibly only with hydraulic ones Support systems are to be opened.
  • a Embodiment of the invention uses a door that pivots laterally around a vertical axis. This makes the door better manageable, since no mass has to be lifted. The space leading to the Opening the door is necessary, can be kept small in the vertical direction become. The door can be chosen so large that an entry into the interior is easily possible.
  • the bottom plate through which the mixer is emptied, has the same Curvature, i.e. the same radius as the mixer vessel, so that when closed, a round vessel with a uniform round Diameter results.
  • the round course is necessary to the tools to be able to get close to the walls.
  • the mixer according to the invention it is possible to change products quickly make. Typically 3 to 4 batches per hour in the Food sector, such as the spice mix, provided. A product change then takes place. As a result, this means that the product is changed several times every hour.
  • the invention Mixer is designed so that this can be handled easily. The reason for this is that the mixer is door can be entered according to the invention. Can also comparatively short vessels according to the invention below the mixer Emptying can be used. These can be replaced quickly and Transport can be used.
  • Advantages of the invention are the easy accessibility for inspection, Cleaning and maintenance. This was achieved through the large inspection door.
  • a mixer there is an axial transport as well as a for mixing purposes radial transport of the mix takes place, the radial transport path is through the scoops causes the mix to emerge from the product bed fling.
  • the radial transport path for example the blades set at an angle.
  • additional slanted surfaces As an alternative or in addition, sheets, etc. become an axial transport path brought about.
  • Transport route is not only understood to mean that the mix is in a certain direction is promoted, for example preferably to the right. It also means, in particular, that the mix is mixed into the one direction and sometimes transported in the other direction, so mixed becomes.
  • the mix therefore becomes essentially central introduced due to the compact design.
  • the Transport path in the axial direction relative to the transport path in the radial Direction greatly shortened.
  • the mixer according to the invention therefore also shortens the mixing times.
  • the state of the art typically up to twelve blades around the mixer tool axis are arranged around.
  • the number of blades should be at least halved. This results in a lower number of installations and a reduction in wear and tear Spare Parts.
  • the end walls can be flat.
  • the advantage is Use of a conical end face or the insert a domed disc, this way volume becomes sideways provided. This ensures that with the same total volume the Diameter can be advantageously reduced somewhat in relation to one Mixing vessel in which flat side walls or end walls are provided.
  • the transition from the inner wall of the cylindrical vessel to the inner wall the end wall, should be steeper than 40 degrees (flow angle). This will ensures that the mix is back in the actual mixing area arrives and is mixed.
  • an end wall Movable designed to clean the inside of the person To enable mixer volume.
  • the front wall can, for example be hinged and so release the inside of the housing. Since the Front wall is the size of the cylindrical vessel, is the inside of the Mixer, as well as the mixing agent, easily and comfortably accessible, also at Repairs to the mixing agents. Because of the compact size of the Mixer with its relatively short length according to the invention, it is partial no need for people to enter the mixer, since all internal Areas can be easily reached from the outside. If the Mixer axis is only permanently connected to one of the end walls other end wall can be swung open. The short design enables one mixer axis only supported on one side, which projects freely into the container.
  • the blade shape which results from the Document DE 197 06 364 A1 is known. On the axis of this Mixing tool surfaces are provided that are T-shaped are trained. It has been shown that these are particularly good work if the T-shape is particularly long. Below is too understand that the letter "T” is particularly high. The Mixing tool surface 17 according to the aforementioned document can then be particularly pronounced. This results in improved mixing times.
  • the product residue after emptying was minimized by using the Emptying opening to the size or the entire length of the Drum bottom has expanded.
  • the opening did not become that way great that there is an immediate total emptying, some under it would require standing bunkers with the same volume.
  • a Appropriate measure is that the width of the opening is appropriate and can be reduced in size flexibly while the length remains constant. This allows flexible and appropriate to the different bulk or Flowability of different mixes can be reacted to.
  • the mixer is coordinated in the design and the selection of the components to the needs of the food and pharmaceutical industries. This can be in the Value can also be adjusted in terms of cost.
  • the mixer volume of the Mixer 1 comprises a container 2 for mixed material, not shown.
  • This essentially comprises a cylindrical vessel 4, the central axis 6 lies horizontally and two from the right and left closing the vessel 4 arched end walls 3.
  • two bearings 7a, 7b At their outer ends have the arched End walls two bearings 7a, 7b for the axis 6 of the not shown Mixing agent or mixer tools.
  • Known mixer tools exist from blades and baffles, which radially around the axis 6 of the Mixer tool are arranged.
  • the drive 8 of the mixer tool is arranged outside the container 2 in the area of the left bearing 7a.
  • the mixer 1 is on foundations over two feet 5 with the floor attached.
  • the diameter of the mixer exceeds its length, in the embodiment, the inner diameter of the cylindrical Vessel 1,600 mm and its width is 700 mm. Preferably applies this also applies to the width, measured between the curved end faces 3.
  • the not shown Mixing tools only in one area within the cylindrical vessel 4 act, i.e. not within that of the arched Rotate end walls 3 created volume. It can also be seen that the curved end wall 3 at the transition to the cylindrical vessel 4th is formed at an angle a of 40 °. Mixed material from Mixer tool thrown into the volume of the curved end walls 3 in this area can mix and fall due to gravity along the curved end wall 3, the angle of which is greater than at each point Is 40 °, reliably in the direction of the drum bottom of the vessel 4, where it from Mixing tool can be detected again.
  • a door 13 is provided, which on the contour of the inner wall 4a of the cylindrical container 4 is adapted. According to the invention, the door 13 can be moved horizontally around hinges 14 swing open so that they do not go up or as in the prior art must be opened below using force.
  • an entry opening of 600 x 1000 mm provided, which enables easy boarding. smaller Entry holes are little accepted by employees, so one Cleaning the mixer volume sometimes for convenience omitted.
  • the mixer volume is filled and emptied via an upper connection piece 1 and an emptying nozzle 10, the geometry of which is shown in FIG. 2 is explained.
  • the side view in Fig. 2 shows that the cylindrical vessel 4 in the upper Area contains a rectangular recess that has a vertical Connector 11 is extended upwards.
  • the connector 11 is completed at the top by a rectangular flat plate 9.
  • the Plate 9 has the openings 16a, 16b shown in Fig. 3, which are not the filler neck shown are connected for introducing the mix, for example by welding.
  • An emptying nozzle 10 is in the area of the bottom 15 of the mixer intended.
  • the bottom is in the area of a section 17 for the purpose of Open emptying, the lower door 17 to the inner geometry of the cylindrical vessel 4 is adapted such that the mixing tool normal along the inner wall 4a of the vessel or the lower door can work.
  • the mixed mix finally leaves via the outlet 12 Mixing device, with transport or collecting vessels below the Horizontal mixer or the outlet 12 are provided.
  • the reinforcement ring 9 is connected to the outer wall of the cylindrical container 4 connected and ensures a round shape of the vessel. A providence outside is preferred so as not to reduce the mixer volume. Without Reinforcement ring could deform the vessel, for example assume an oval shape due to its own weight.
  • the top view in Fig. 3 finally explains the advantages of the upper levels Plate 9, the connector 11 in the embodiment only screwed or otherwise detachably connected.
  • This has the advantage that the plate 9 can be replaced if necessary, for example if due to other tasks no longer two openings 16a, 16b for Filler neck, but three such openings are required.
  • the filler neck is often directly connected to the outer wall of the cylindrical vessel 4 welded, so that a very special is complex, since the lower edge of the nozzle does not go down into the Mixer volume may survive.
  • the two adjacent filler neck openings 16 are so close together that the incoming mix in the axial direction of the mixer axis largely mixed by itself. So it doesn't form initially Concentrations of different mix after filling, such as in the prior art for horizontal mixers with a long design, at where the mix has to be mixed in the axial direction.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Accessories For Mixers (AREA)
EP03012879A 2002-07-20 2003-06-06 Mélangeur horizontal ayant un diametre supérieur à sa longueur Withdrawn EP1382381A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10233785A DE10233785A1 (de) 2002-07-20 2002-07-20 Horizontalmischer mit hoher Bauform
DE10233785 2002-07-20

Publications (1)

Publication Number Publication Date
EP1382381A1 true EP1382381A1 (fr) 2004-01-21

Family

ID=29762109

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03012879A Withdrawn EP1382381A1 (fr) 2002-07-20 2003-06-06 Mélangeur horizontal ayant un diametre supérieur à sa longueur

Country Status (4)

Country Link
US (1) US20040013033A1 (fr)
EP (1) EP1382381A1 (fr)
JP (1) JP2004050176A (fr)
DE (1) DE10233785A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1938890A3 (fr) * 2006-12-27 2008-11-26 Tsukasa Co., Ltd. Mélangeur de particules
ITCZ20080010A1 (it) * 2008-10-30 2010-04-30 Cit Di Tassone Giuseppe Dispositivo per la miscelazione ed il confezionamento di materiali in polvere di qualsiasi granulometria

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007034504A2 (fr) * 2005-07-05 2007-03-29 Excel Industries Limited Appareil et procede de conversion de biomasse/dechets en enrichisseur & conditionneur bio-organiques de sol et combustible
JP4918426B2 (ja) * 2007-08-01 2012-04-18 日工株式会社 ミキサ
JP5922361B2 (ja) * 2010-09-09 2016-05-24 アイメックＩｍｅｃ 活性マイクロシーブおよび生物学的応用のための方法
US9579615B2 (en) 2012-06-26 2017-02-28 F'real Foods Llc Blender with elevator assembly and removable spindle
CN103143291A (zh) * 2013-03-25 2013-06-12 浙江通达钢模有限公司 一种竹木粉搅拌设备的关风机以及搅拌设备
CN109647244A (zh) * 2019-01-23 2019-04-19 高宗喜 粉料混合机

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US3752447A (en) * 1971-08-16 1973-08-14 Monsanto Co Mixer apparatus
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US1895169A (en) * 1930-03-14 1933-01-24 Jaeger Machine Co Closure
GB739982A (en) * 1953-12-03 1955-11-02 Franz Knops Rotary grinding machine for chocolateí¬and similar masses
DE1276986B (de) * 1962-03-10 1968-09-05 Fritz Loedige Pflugscharaehnliches Mischwerkzeug
US3752447A (en) * 1971-08-16 1973-08-14 Monsanto Co Mixer apparatus
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1938890A3 (fr) * 2006-12-27 2008-11-26 Tsukasa Co., Ltd. Mélangeur de particules
ITCZ20080010A1 (it) * 2008-10-30 2010-04-30 Cit Di Tassone Giuseppe Dispositivo per la miscelazione ed il confezionamento di materiali in polvere di qualsiasi granulometria
WO2010049464A1 (fr) 2008-10-30 2010-05-06 Personal Factory S.R.L. Dispositif et procédé pour doser, mélanger et emballer une matière particulaire solide
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Publication number Publication date
US20040013033A1 (en) 2004-01-22
JP2004050176A (ja) 2004-02-19
DE10233785A1 (de) 2004-02-05

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