EP0434477B1 - Mischer zum Imprägnieren von Teilchen in einer Masse mittels eines Bindemittels - Google Patents

Mischer zum Imprägnieren von Teilchen in einer Masse mittels eines Bindemittels Download PDF

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Publication number
EP0434477B1
EP0434477B1 EP90403108A EP90403108A EP0434477B1 EP 0434477 B1 EP0434477 B1 EP 0434477B1 EP 90403108 A EP90403108 A EP 90403108A EP 90403108 A EP90403108 A EP 90403108A EP 0434477 B1 EP0434477 B1 EP 0434477B1
Authority
EP
European Patent Office
Prior art keywords
chamber
perforated
mixing
plate
rotating assembly
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
EP90403108A
Other languages
English (en)
French (fr)
Other versions
EP0434477A1 (de
Inventor
Roland Berion
Dominique Résidence les Clés de la Forêt Garnier
Claude Menard
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.)
Efisol
Elf Isolation
Original Assignee
Efisol
Elf Isolation
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Filing date
Publication date
Application filed by Efisol, Elf Isolation filed Critical Efisol
Publication of EP0434477A1 publication Critical patent/EP0434477A1/de
Application granted granted Critical
Publication of EP0434477B1 publication Critical patent/EP0434477B1/de
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
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/70—Spray-mixers, e.g. for mixing intersecting sheets of material
    • B01F25/72—Spray-mixers, e.g. for mixing intersecting sheets of material with nozzles
    • B01F25/721—Spray-mixers, e.g. for mixing intersecting sheets of material with nozzles for spraying a fluid on falling particles or on a liquid curtain
    • 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
    • B01F33/82—Combinations of dissimilar mixers
    • B01F33/822—Combinations of dissimilar mixers with moving and non-moving stirring devices in the same receptacle

Definitions

  • the present invention relates to a mixer for particles and liquids and, more particularly, to a mixer ensuring the uniform coating of all the particles with a binder.
  • the invention relates to a whole mixer for mixing particles and liquids, comprising a fixed hopper for feeding particles, a rotary central shaft passing through said hopper, carrying a turntable located under said hopper, and traversed by a conduit liquid supply ending with a spray nozzle, a spray chamber, into which opens said spray nozzle and a rotary assembly placed below the spray chamber.
  • mixers of all kinds but not entirely satisfactory when it comes to promoting sufficiently intimate contact with particles of exfoliated rocks, such as vermiculite, and an inorganic or mineral binder, such as an alkali silicate. to ensure the uniform coating of all the grains in order to produce compact decorative panels.
  • the document CH-A-597 926 describes a mixer for mixing particles and liquids, comprising a fixed hopper for supplying particles, a rotary central shaft passing through said hopper, carrying a turntable and traversed by a conduit liquid supply terminating in a spray nozzle, a spray chamber, into which opens said spray nozzle and a rotary assembly placed below the spray chamber.
  • the technical problem consists in looking for a replacement for the device of CH-A-597 926, ensuring the uniform coating of all the particles with a binder.
  • the subject of the present invention is a kneader for mixing particles and liquids, of the aforementioned type, characterized in that the rotary plate is perforated and located under the hopper, in that the rotary assembly is composed of an agitator, and a conical plate disposed under said agitator, and in that it further comprises a mixing chamber disposed under the rotary assembly and in which is placed the conical plate.
  • the rotary assembly composed of the agitator and the conical plate is connected by suspension arms to the perforated rotating plate, to rotate with this plate.
  • the kneading chamber is provided on its inner wall with at least one counter-blade and is rotated in the opposite direction to that of said rotary assembly.
  • the arms are extended to the vicinity of the bottom of the kneading chamber by fingers capable of discharging the particles towards an opening of said bottom, eccentric with respect to the rotary shaft. coated with liquid and deposited on the bottom.
  • the mixer comprises, below the perforated turntable, a funnel whose opening opening diameter corresponds to that of the part provided with perforations of the perforated tray and of which the diameter of the lower outlet opening placed just above the spray chamber corresponds substantially to the diameter of this chamber.
  • the hopper may include, at its lower part, at least one fin which enters a distribution chamber delimited above the perforations of the rotary plate perforated by a wall closed on itself projecting above said perforated plate, so as to force the particles to pass through the perforations.
  • the upper part of the mixer contained in a housing comprises a drop cone or hopper 1 crossed by a rotary shaft 7, in the axis of which passes a conduit 6 for supplying liquid.
  • the rotary shaft 7 is integral with a perforated plate 3, to which suspension arms 11 are fixed.
  • the outer wall of the hopper 1 is provided, at its vertical lower part, with fins 2.
  • the lower end of the conduit 6 is shaped as a spray nozzle 8 placed inside a spray chamber 5.
  • a funnel 4 whose diameter of the inlet 19 corresponds substantially to that of the part provided with perforations 18 of the plate 3, so as to narrow the diameter of the flow leaving the perforations 18 of the plate 3 and to reduce it to the dimension of the diameter of the spraying chamber.
  • the outer fins 2 of the hopper 1 preferably enter a particle distribution chamber 21 delimited by a circular wall or closed on itself 22 projecting above the perforated plate 3, so as to stir the deposited particles on this tray and to force them to pass through the perforations 18 in order to divide into several parallel rotating flow lines, inside the funnel 4.
  • the spraying chamber 5 and the funnel 4 are normally carried by the tray perforated 3, for example using balusters 23, but it would also be possible, in some applications, to have them carried by the conduit 6 reinforced in Consequently, so that the funnel 4 and the chamber 5 occupy a fixed and non-rotating position in the mixer.
  • an agitator 9 secured to a conical plate 10 forming, with the arms 11, an assembly driven in rotation by the shaft 7.
  • the conical plate 10 plunges into a mixing chamber 12, the bottom 16 of which opens onto a discharge opening 15 which is eccentric relative to the rotary shaft 7.
  • This chamber 12, provided on its inner wall with counter-blades 13, is driven by means of a transmission 17 connected to a motor rotating in the opposite direction to that of the shaft 7.
  • the arms 11 extend to the vicinity of the bottom 16 of the chamber 12 by fingers 14 able to evacuate towards the opening 15 the particles coated with liquid deposited on the bottom 16.
  • the exfoliated vermiculite, or any other granule or particulate material, is introduced into the mixer through the drop cone 1 which regularly disperses it on the rotary plate 3.
  • the passage of the particles through the perforations 18 under the effect of stirring fins 2 increases the vortex movement of the grains already initiated by the rotation of the plate 3.
  • the particle flow is then channeled through the funnel 4 to concentrate on the spray chamber 5.
  • the liquid binder is brought under pressure into the line 6 and sprayed by the nozzle 8 at the heart of the rain of particles and grains swirling inside the spraying chamber 5.
  • the swirling movement imparted to the particles particularly promotes contact between the sprayed liquid binder and the particles.
  • the particles coated with binder are then slightly stirred by the agitator 9 before arriving on the conical plate 10 driven by the arms 11 integral with the plate 3.
  • the particles are distributed by the plate 10 in the kneading chamber 12 where they are subjected to the action of centrifugal force.
  • the chamber 12 itself rotates in the opposite direction to that of the rotary assembly secured to the shaft 7.
  • the opposite directions of rotation of the suspension arms 11 and of the counter-blades 13 greatly favor the mixing of the coated particles.
  • All surfaces of the mixer in contact with the particles are preferably coated with a layer of material preventing sticking and residual deposits.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Glanulating (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Processing Of Solid Wastes (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Claims (6)

  1. Mischvorrichtung für das Mischen von Partikeln und Flüssigkeiten, umfassend
    - einen festen Partikelzufuhrtrichter (1),
    - eine drehbare Mittelwelle (7), welche den Trichter durchquert, eine sich drehende Platte trägt und durchquert ist von einer Flüssigkeitszufuhrleitung (6), welche in einer Pulverisierungsdüse (8) endet,
    - eine Pulverisierungskammer (5), in welcher die Pulverisierungsdüse (8) mündet, und
    - eine drehbare Anordnung, welche unterhalb der Pulverisierungskammer angeordnet ist,
    dadurch gekennzeichnet,
    - daß die sich drehende Platte (3) perforiert ist und unter dem Trichter angeordnet ist,
    - daß die drehbare Anordnung gebildet ist aus einem Rührer (9) und einer konischen Platte (10), welche unter dem Rührer angeordnet ist, und
    - daß sie desweiteren eine Mischkammer (12) umfaßt, welche unter der drehbaren Anordnung angeordnet ist, und in welcher die konische Platte (10) angeordnet ist.
  2. Mischvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die drehbare Anordnung, gebildet aus dem Rührer (9) und der konischen Platte (10) mittels Aufhängungsarmen (11) mit der sich drehenden perforierten Platte (3) verbunden ist, um sich mit dieser Platte zu drehen.
  3. Mischvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Mischkammer (12) an der inneren Wandung mit zumindest einem Gegenblatt (13) vorgesehen ist, und in dem der drehbaren Anordnung (9, 10) entgegengesetzten Sinn gedreht wird.
  4. Mischvorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß sich die Arme (11) bis zur Nähe des Bodens (16) der Mischkammer (12) durch Finger (14) erstrecken, welche in der Lage sind die mit Flüssigkeit ummantelten Partikel, welche an dem Boden (16) abgelagert sind hin zu einer Öffnung (15) des Bodens (16), exzentrisch bezüglich der drehbaren Welle, zu evakuieren.
  5. Mischvorrichtung nach den Ansprüchen 1 bis 4, dadurch gekennzeichnet, daß sie aufweist, unterhalb der sich drehenden perforierten Platte (3) einen Trichter (4), dessen Öffnungsdurchmesser am Eingang (19) jenem des Abschnittes der perforierten Platte (3) entspricht, welcher mit Perforationen (18) versehen ist, und dessen kleinerer Öffnungsdurchmesser am Ausgang (20), unmittelbar oberhalb der Pulverisierungskammer (5) angeordnet, praktisch dem Durchmesser dieser Kammer entspricht.
  6. Mischvorrichtung nach den Ansprüchen 1 bis 5, dadurch gekennzeichnet, daß der Trichter (1) an seinem unteren Abschnitt zumindest einen Flügel (2) aufweist, welcher in eine Verteilerkammer (21) tritt, welche oberhalb der Perforationen (18) der sich drehenden perforierten Platte (3) durch eine in sich geschlossene Wandung (22) abgegrenzt ist, vorspringend oberhalb der perforierten Platte, so daß die Partikel veranlaßt werden, die Perforationen zu durchqueren.
EP90403108A 1989-11-20 1990-11-02 Mischer zum Imprägnieren von Teilchen in einer Masse mittels eines Bindemittels Expired - Lifetime EP0434477B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8915170A FR2654647B1 (fr) 1989-11-20 1989-11-20 Malaxeur pour l'impregnation dans la masse de particules par un liant.
FR8915170 1989-11-20

Publications (2)

Publication Number Publication Date
EP0434477A1 EP0434477A1 (de) 1991-06-26
EP0434477B1 true EP0434477B1 (de) 1996-07-31

Family

ID=9387542

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90403108A Expired - Lifetime EP0434477B1 (de) 1989-11-20 1990-11-02 Mischer zum Imprägnieren von Teilchen in einer Masse mittels eines Bindemittels

Country Status (11)

Country Link
US (1) US5073032A (de)
EP (1) EP0434477B1 (de)
JP (1) JPH07114949B2 (de)
AT (1) ATE140877T1 (de)
AU (1) AU628684B2 (de)
BR (1) BR9005956A (de)
DE (1) DE69027977T2 (de)
DK (1) DK0434477T3 (de)
ES (1) ES2027195T3 (de)
FR (1) FR2654647B1 (de)
GR (2) GR910300151T1 (de)

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FR2662155B1 (fr) * 1990-05-18 1993-12-24 Fibrasa Holding Sa Granulats legers pour betons alleges, leur procede d'obtention ainsi que malaxeur pour la mise en óoeuvre de ce procede.
EP0570633B1 (de) * 1991-09-05 1998-11-25 Intech Exports Elektrostatische Pulverbeschichtung
EP0748135B1 (de) * 1993-06-15 1998-10-28 Celltrace Communications Limited Telekommunikationssystem
US5865534A (en) * 1993-10-01 1999-02-02 Idc Mixers Limited Materials mixer
DE4443594C2 (de) * 1994-12-07 2000-07-27 Bayosan Wachter Gmbh & Co Kg Verfahren zum Herstellen eines Mörtels in einer Spritzvorrichtung, Vorrichtung zum Durchführen des Verfahrens sowie Verwendungen des Mörtels
US5538341A (en) * 1995-05-12 1996-07-23 Halliburton Company Apparatus for mixing
GB2304597B (en) * 1995-08-30 1999-10-20 Univ Loughborough Method for treating particulate material
JP2000000451A (ja) * 1998-06-18 2000-01-07 Japan Steel & Tube Constr Co Ltd 粉粒体と液体との混合装置
CA2285154C (en) * 1999-10-05 2004-08-03 Ronald W. T. Birchard Apparatus and method for blending dry materials
ATE385246T1 (de) * 2004-07-30 2008-02-15 Silon S R O Plana Nad Lu Znici Verfahren zum mischen eines kunststoffgranulats mit einem additiv sowie mischeinrichtung zur durchführung des verfahrens und vorrichtung mit der mischeinrichtung
US7810986B2 (en) * 2005-11-21 2010-10-12 Process Control Corporation Systems and methods for liquid dosing of material in a blender system
DE102006059051A1 (de) * 2006-12-14 2008-06-26 DIOSNA Dierks & Söhne GmbH Vorrichtung und Verfahren zum Einarbeiten von Flüssigkeit in schütt- oder rieselfähige Trockenstoffe
US8715720B2 (en) * 2011-09-14 2014-05-06 Scott Murray Cloud mixer and method of minimizing agglomeration of particulates
CN104549106B (zh) * 2015-01-04 2016-06-01 安徽新中远化工科技有限公司 一种合成塔
CA3032113C (en) * 2018-02-02 2022-05-03 Ag Growth International Inc. Atomizer mixing chamber for a seed treater
CN108553662B (zh) * 2018-03-19 2020-09-01 徐州工程学院 一种矿井废水处理中沉淀物快速铺设机
CN108515078B (zh) * 2018-03-19 2020-03-27 徐州工程学院 一种土壤重金属污染物散布装置
CN109092191B (zh) * 2018-09-21 2020-12-15 江苏中兴药业有限公司 一种提高珍菊降压片中盐酸可乐定含量均匀度的微粉包裹混料装置及混料方法
CN109569386A (zh) * 2018-12-20 2019-04-05 重庆七彩虹新材料技术有限公司 一种粉末涂料生产用搅拌装置
CN110314568B (zh) * 2019-07-30 2021-09-07 杨洁 一种饲料混料机
CN110975713B (zh) * 2020-01-03 2020-12-25 山东绿城青和建筑设计有限公司 一种建筑工地用高效节能搅拌装置
RU210388U1 (ru) * 2021-12-06 2022-04-14 Общество с ограниченной ответственностью ПК "Юнайтед Кэталист Текнолоджис" Устройство для пропитки пористых материалов
CN115228359A (zh) * 2022-05-23 2022-10-25 何晓文 一种用于高导电水性涂料的静电涂装间歇供漆系统
CN116697896B (zh) * 2023-08-04 2023-09-26 定西市工程咨询服务集团有限公司 一种建筑砂浆结构裂缝检测仪

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Also Published As

Publication number Publication date
AU628684B2 (en) 1992-09-17
JPH07114949B2 (ja) 1995-12-13
ES2027195T1 (es) 1992-06-01
ES2027195T3 (es) 1996-10-16
AU6590590A (en) 1991-05-23
FR2654647B1 (fr) 1992-02-07
DE69027977D1 (de) 1996-09-05
JPH03221133A (ja) 1991-09-30
GR910300151T1 (en) 1992-06-30
ATE140877T1 (de) 1996-08-15
DE69027977T2 (de) 1997-03-13
FR2654647A1 (fr) 1991-05-24
DK0434477T3 (da) 1996-11-25
BR9005956A (pt) 1991-09-24
EP0434477A1 (de) 1991-06-26
GR3021519T3 (en) 1997-01-31
US5073032A (en) 1991-12-17

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