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WO2007090599A1 - DISPOSITIF ET PROCÉDÉ D'injection DE PRODUITS HUMIDES ET/OU COLLANTS, EN PARTICULIER DE CELLULOSE, DANS UN BROYEUR A LIT FLUIDISE - Google Patents

DISPOSITIF ET PROCÉDÉ D'injection DE PRODUITS HUMIDES ET/OU COLLANTS, EN PARTICULIER DE CELLULOSE, DANS UN BROYEUR A LIT FLUIDISE Download PDF

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Publication number
WO2007090599A1
WO2007090599A1 PCT/EP2007/000976 EP2007000976W WO2007090599A1 WO 2007090599 A1 WO2007090599 A1 WO 2007090599A1 EP 2007000976 W EP2007000976 W EP 2007000976W WO 2007090599 A1 WO2007090599 A1 WO 2007090599A1
Authority
WO
WIPO (PCT)
Prior art keywords
screw conveyor
agitator
screw
product
air vortex
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.)
Ceased
Application number
PCT/EP2007/000976
Other languages
German (de)
English (en)
Inventor
Michael Andreae-Jäckering
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.)
Altenburger Maschinen Jaeckering GmbH
Original Assignee
Altenburger Maschinen Jaeckering 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 Altenburger Maschinen Jaeckering GmbH filed Critical Altenburger Maschinen Jaeckering GmbH
Publication of WO2007090599A1 publication Critical patent/WO2007090599A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/286—Feeding or discharge
    • 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
    • B01F35/75—Discharge mechanisms
    • B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
    • B01F35/75455—Discharge mechanisms characterised by the means for discharging the components from the mixer using a rotary discharge means, e.g. a screw beneath the receptacle
    • B01F35/754551—Discharge mechanisms characterised by the means for discharging the components from the mixer using a rotary discharge means, e.g. a screw beneath the receptacle using helical screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/02—Feeding devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00—Loading or unloading
    • B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/34—Emptying devices
    • B65G65/40—Devices for emptying otherwise than from the top
    • B65G65/48—Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems
    • B65G65/4809—Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems rotating about a substantially vertical axis
    • B65G65/4836—Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems rotating about a substantially vertical axis and moving material over a stationary surface, e.g. sweep arms or wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/10—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers
    • F26B17/101—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis
    • F26B17/103—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis with specific material feeding arrangements, e.g. combined with disintegrating means
    • 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
    • B01F27/0722—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis perpendicular with respect to the rotating 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
    • B01F27/07—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
    • B01F27/0724—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis directly mounted on the rotating 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
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B01F27/1125—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades with vanes or blades extending parallel or oblique to the stirrer axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/286—Feeding or discharge
    • B02C2013/28618—Feeding means
    • B02C2013/28654—Feeding means of screw type

Definitions

  • the mill-drying of methyl cellulose on air vortex mills of the ULTRAROTOR type is known from EP 1 082 174 B1.
  • the products are mainly methylcellulose (also called cellulose ethers) and similar products, such as carboxymethylcellulose (CMC) and other cellulosic products.
  • CMC carboxymethylcellulose
  • the cellulose comes from a granulator or similar aggregate in which it is premixed to humidities between 40% and 75%. In this state, it is extremely sticky, so that their feeding into the fluidized air mill for comminution and simultaneous drying is difficult.
  • the invention has for its object to design a device or a method according to the invention in such a way that improved product properties can be achieved and the difficulties described in the feed of the product to be subjected to the drying process no longer occur.
  • FIGS. 1 and 2 show two views of an air vortex mill equipped with the feed module according to the invention
  • Figure 3 is a longitudinal section and Figure 4 is a cross section through the feed module and
  • FIG. 5 shows a section through the screw conveyor of the feed module.
  • the air vortex mill with 1, her drive motor with 2, the feed module with 3 and the screw conveyor with 4.
  • FIGS. 1 and 2 show that the screw conveyor 4 is slightly flanged to the air vortex mill 1 is flanged. Below the product inlet 5 there is another connecting piece 6, via which gases, for example heated air, are supplied.
  • the rotor rotating about the longitudinal axis 7 of the mill 1 is designated by 8 and its outlet by 9.
  • Part of the feed module 3 is the container 10, which is equipped with two drives 11 and 12.
  • One of the drives (11) drives a stirrer 13, the second the screw 14 of the screw conveyor 4 at.
  • the worm cylinder of the screw conveyor is designated 15.
  • FIGS. 1 and 2 show that in the area of the product inlet 5 in the mill 1 there is a perforated plate 16, which will be discussed in greater detail below.
  • Components of the agitator 13 in the feed module 3 are three (or more or less) preferably three-wing mutually staggered arranged stirring blades 17, 18, 19, which are driven by the drive motor 11 via the shaft 21 with the rotation axis 22.
  • the screw conveyor 4 extends substantially horizontally below the bottom 23 of the feed module. 3
  • Screw conveyor 4 and connection opening 24 are arranged laterally from the axis 22 of the module 3, that they are located substantially in the outer region of the agitator blades 17 to 19.
  • the container 10 of the feed module 3 is filled via a pipeline or the like with the product to be treated. It enters the sphere of action of the agitator 13, the agitator blades have different tasks.
  • the agitator blades upper agitator blades 17, 18 have such a blade position and / or a wing cross-section that they exert an upward force component on the product and thus loosen up the product.
  • the impeller blades of one or more lower impellers 19 are designed similarly in their region 26 near the axis. In their outer region 27 they are designed such that they exert a downward force component on the product. The safe and substantially uniform filling of the screw conveyor 4 through the opening 24 is ensured.
  • the direction of rotation of the agitator 13 is selected (arrow 28) such that the outer wing section 27 of the lower stirring blade 19 moves in the conveying direction (arrow 30) of the screw conveyor 4.
  • the inside of the worm cylinder 15 is arranged with a plurality of substantially uniformly distributed over the inner circumference, longitudinally extending, in cross-section approximately rectangular projections equipped.
  • this measure improves the promotion of moist and sticky starting products and prevents the setting of the screw 14.
  • the strips 29 end only immediately in front of the perforated disc 16, so that a safe and trouble-free promotion and compression of the product takes place up to the fluidized-air mill 1.
  • Figure 4 shows a pipe section 31 shown only partially, which is flanged to the screw cylinder 15 and passes through the product in the air vortex mill 1.
  • the strips 29 continue up to the perforated disk 16, not shown in FIG. 4.
  • the holes in the perforated disc 16 which expediently have a diameter of 5 to 20 mm, preferably about 10 mm, the product as extrudates or pasta occurs continuously in the form of compacted strands out.
  • the grinding chamber of the fluidized-fluid mill 1 Immediately behind the perforated disc 16 is the grinding chamber of the fluidized-fluid mill 1.
  • the product strands entering the grinding chamber are continuously cut off from the grinding plates of the rotor 8, come into contact with the gases entering at 6 and are crushed and dried on the way to the outlet 9.
  • the feed module according to the invention allows a uniform and largely trouble-free feeding even of particularly light products, e.g. Cellulose less than 100 g / l, in the grinding chamber of an air vortex mill.
  • particularly light products e.g. Cellulose less than 100 g / l
  • Expensive attempts, in particular for the design of the agitator 13, have more and more eliminated any difficulties encountered.
  • the agitator 13 causes on the one hand a loosening of the starting product and on the other hand a complete no longer dependent on the intrinsic pressure of the product filling of the screw conveyor 4.
  • the product occurs evenly in the grinding chamber of the mill 1 a.
  • An extremely smooth running of the rotor 8 at the same time high degree of filling of the mill 1 are achieved.
  • the feed module according to the invention significantly contributes to the fact that the entire feeding, grinding and drying process is continuous. In all drive motors, especially when driving the mill rotor 8, it is no longer the previously high load fluctuations.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Crushing And Grinding (AREA)

Abstract

L'invention concerne un dispositif (3) d'injection de produits humides et/ou collants, de préférence de cellulose, dans un broyeur (1) à lit fluidisé. Pour éliminer les difficultés d'injection et pour améliorer les propriétés du produit final, on propose selon l'invention que les composants du dispositif d'injection (3) soient un récipient cylindrique (10), un mécanisme de brassage (13) disposé dans le récipient (10) et doté d'un arbre central (21) ainsi qu'un transporteur (4) à vis doté d'une vis (14) et d'un cylindre (15) de vis. Le transporteur (4) à vis est disposé latéralement à côté de l'arbre (21) du mécanisme de brassage (13) dans la zone du fond (23) du récipient (10) et les cylindres de vis (15) communiquent l'un avec l'autre par une ouverture (24).
PCT/EP2007/000976 2006-02-10 2007-02-06 DISPOSITIF ET PROCÉDÉ D'injection DE PRODUITS HUMIDES ET/OU COLLANTS, EN PARTICULIER DE CELLULOSE, DANS UN BROYEUR A LIT FLUIDISE Ceased WO2007090599A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006006096.2 2006-02-10
DE102006006096A DE102006006096A1 (de) 2006-02-10 2006-02-10 Vorrichtung und Verfahren zur Einspeisung von feuchten und/oder klebrigen Produkten, insbesondere Zellulose, in einer Luftwirbelmühle

Publications (1)

Publication Number Publication Date
WO2007090599A1 true WO2007090599A1 (fr) 2007-08-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/000976 Ceased WO2007090599A1 (fr) 2006-02-10 2007-02-06 DISPOSITIF ET PROCÉDÉ D'injection DE PRODUITS HUMIDES ET/OU COLLANTS, EN PARTICULIER DE CELLULOSE, DANS UN BROYEUR A LIT FLUIDISE

Country Status (2)

Country Link
DE (1) DE102006006096A1 (fr)
WO (1) WO2007090599A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2177561A1 (fr) 2008-10-16 2010-04-21 Dow Global Technologies Inc. Arrêt et distribution d'un matériau de chargement
CN102564101A (zh) * 2011-12-29 2012-07-11 福建南方路面机械有限公司 一种烘干机的烘干筒进料装置
CN108716846A (zh) * 2018-06-14 2018-10-30 伊婕 一种化工干燥设备
CN109395852A (zh) * 2018-11-05 2019-03-01 合肥工业大学 一种用于废LiFePO4动力电池的破碎搅拌装置
CN109603983A (zh) * 2018-10-26 2019-04-12 蔡聪聪 一种复合肥料研磨搅拌加工系统

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010006916A1 (de) * 2010-02-04 2011-08-04 Schäfer Elektrotechnik und Sondermaschinen GmbH, 67308 Vorrichtung und Verfahren zur Erzeugung eines feinkörnigen Brennstoffs durch Trocknung und Prallzerkleinerung
JP6089411B2 (ja) * 2012-02-17 2017-03-08 株式会社リコー 粉体移送装置用篩装置、粉体移送ユニット、画像形成装置、及び粉体移送方法
EP2829325B1 (fr) * 2013-05-07 2016-06-29 Xergi A/S Broyeur et son utilisation
CN109569401A (zh) * 2018-11-26 2019-04-05 张孟琦 一种氟化物液晶材料混料装置
CN110394218B (zh) * 2019-07-01 2021-06-15 双乐颜料股份有限公司 一种耐温α型酞菁蓝生产用烘干粉碎设备
CN111765741A (zh) * 2020-07-08 2020-10-13 砀山县绿源生态肥料有限公司 一种复合肥料干燥装置
CN114377591A (zh) * 2021-12-10 2022-04-22 德清秋水果汁有限公司 一种鲜榨果汁生产用高压均质机

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984056A (en) * 1974-09-04 1976-10-05 Hobart Corporation Worm with deflector
US4550879A (en) * 1983-02-10 1985-11-05 Kabushiki Kaisha Hosokawa Funtai Kogaku Kenkyusho Vertical type pulverizing and classifying apparatus
WO1993025312A1 (fr) * 1992-06-12 1993-12-23 Erema Engineering Recycling Maschinen Und Anlagen Gesellschaft M.B.H. Dispositif pour la plastification d'une matiere thermoplastique
DE19602227A1 (de) * 1996-01-23 1997-07-24 Bayer Ag Vorratsbehälter mit Austragsvorrichtung
EP1116728A1 (fr) * 2000-01-14 2001-07-18 Bayer Aktiengesellschaft Procédé continu et dispositif pour le séchage et la formation de gel à partir de polymères gélifiables et contenant des solvants
EP1082174B1 (fr) * 1998-05-27 2002-02-13 Altenburger Maschinen Jäckering GmbH Sechage-broyage de derives de cellulose, notamment de methylcellulose
WO2005087474A1 (fr) * 2004-03-17 2005-09-22 Erema Engineering Recycling Maschinen Und Anlagen Gesellschaft M.B.H. Dispositif pour traiter une matiere plastique

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3811910C2 (de) * 1988-04-09 1997-04-10 Mahltechnik Goergens Gmbh Mühle und Verfahren zum gleichzeitigen Mahlen und Trocknen eines feuchten Produkts
DE19715772C1 (de) * 1997-04-16 1998-07-02 Otto Herrmann Verfahren und Vorrichtung zum Aufbereiten von Abfallprodukten auf Basis von Kunststoffen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984056A (en) * 1974-09-04 1976-10-05 Hobart Corporation Worm with deflector
US4550879A (en) * 1983-02-10 1985-11-05 Kabushiki Kaisha Hosokawa Funtai Kogaku Kenkyusho Vertical type pulverizing and classifying apparatus
WO1993025312A1 (fr) * 1992-06-12 1993-12-23 Erema Engineering Recycling Maschinen Und Anlagen Gesellschaft M.B.H. Dispositif pour la plastification d'une matiere thermoplastique
DE19602227A1 (de) * 1996-01-23 1997-07-24 Bayer Ag Vorratsbehälter mit Austragsvorrichtung
EP1082174B1 (fr) * 1998-05-27 2002-02-13 Altenburger Maschinen Jäckering GmbH Sechage-broyage de derives de cellulose, notamment de methylcellulose
EP1116728A1 (fr) * 2000-01-14 2001-07-18 Bayer Aktiengesellschaft Procédé continu et dispositif pour le séchage et la formation de gel à partir de polymères gélifiables et contenant des solvants
WO2005087474A1 (fr) * 2004-03-17 2005-09-22 Erema Engineering Recycling Maschinen Und Anlagen Gesellschaft M.B.H. Dispositif pour traiter une matiere plastique

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2177561A1 (fr) 2008-10-16 2010-04-21 Dow Global Technologies Inc. Arrêt et distribution d'un matériau de chargement
US8569401B2 (en) 2008-10-16 2013-10-29 Dow Global Technologies, Llc Storing and distributing a feeder product
CN102564101A (zh) * 2011-12-29 2012-07-11 福建南方路面机械有限公司 一种烘干机的烘干筒进料装置
CN102564101B (zh) * 2011-12-29 2014-06-18 福建南方路面机械有限公司 一种烘干机的烘干筒进料装置
CN108716846A (zh) * 2018-06-14 2018-10-30 伊婕 一种化工干燥设备
CN109603983A (zh) * 2018-10-26 2019-04-12 蔡聪聪 一种复合肥料研磨搅拌加工系统
CN109395852A (zh) * 2018-11-05 2019-03-01 合肥工业大学 一种用于废LiFePO4动力电池的破碎搅拌装置

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Publication number Publication date
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