EP3081305B1 - Broyeur haute puissance a chambre annulaire avec tamis separateur rotatif et joint labyrinthe - Google Patents

Broyeur haute puissance a chambre annulaire avec tamis separateur rotatif et joint labyrinthe Download PDF

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Publication number
EP3081305B1
EP3081305B1 EP16160742.9A EP16160742A EP3081305B1 EP 3081305 B1 EP3081305 B1 EP 3081305B1 EP 16160742 A EP16160742 A EP 16160742A EP 3081305 B1 EP3081305 B1 EP 3081305B1
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EP
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Prior art keywords
grinding
rotor
chamber
annular
grinding chamber
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EP16160742.9A
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German (de)
English (en)
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EP3081305A1 (fr
Inventor
Frank Niemann
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Wilhelm Niemann & Co KG Maschinenfabrik GmbH
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Wilhelm Niemann & Co KG Maschinenfabrik GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
    • B02C17/168—Mills in which a fixed container houses stirring means tumbling the charge with a basket media milling device arranged in or on the container, involving therein a circulatory flow of the material to be milled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/181—Bearings specially adapted for tumbling mills

Definitions

  • the invention relates to a dip mill according to the preamble of the independent claims.
  • the invention relates to a dip mill for treating flowable millbase with means for attaching parts of the dip mill to a vertical stirring shaft of a dissolver or the dissolver itself, with a Mahlraum limiting grinding container and a drivable by the stirring shaft, arranged in the grinding container rotor.
  • Fig. 1 Mixing devices or dissolvers according to Fig. 1 have a drive 1, which drives a vertically immersed in the mix 2 dispersing 3, on which a mixing / dispersing 4 is arranged, which is preferably formed as a circular disc, are arranged on the outer diameter of teeth. Through this disc creates a laminar suction, which leads to the circulation of the goods.
  • Dispersing means in the present case the general wetting of primary particles of pulverulent substances, such as For example, color pigments, fillers and the like, which usually form agglomerates when poured into the liquid.
  • Dispersing in the form described above differs greatly from a simple stirring process which frequently occurs in chemistry, in which often only liquids or liquids with a low proportion of pulverulent substances are mixed or produced.
  • the DE 10 2009 0131214 B3 shows a device with sieve, which is formed in the bottom of the basket mill and thus also brings sealing problems.
  • the KR 2009 0087688A shows a device in which a sieve is arranged around the shaft, but the sieve is firmly on Both sides (top and bottom) embedded in the rotor, so that the seals are outside the rotor and lead to the known problems.
  • dissolvers were later expanded to include a so-called dip mill (basket mill, basket mill).
  • This mill 5 is often arranged on the shaft in addition to the dispersing disk 4 (pump disk), has a grinding chamber or a grinding chamber in which grinding bodies (beads) are arranged, which are set in motion by stirring disks, stirring rods or driving surfaces.
  • the material to be ground is usually sucked from above through the grinding chamber, wherein the moving grinding beads open up the solids or agglomerates in the liquid between them, the grinding beads 8 and the stirrer and between grinding beads and Mahlraumbegrenzung or / and crush (grind) ,
  • a separating sieve which may preferably be arranged in the bottom area, but also as a grinding container wall, separates the grinding beads from the grinding stock, so that they can not leave the grinding space and the ground material can flow back into the stirring container 29.
  • the dispersing disk 4 (pumping disk), which is preferably arranged below the grinding basket, in this case sucks the mix / ground material 2 through the immersion mill.
  • the grinding chamber is defined by a non-rotating housing 31 (grinding container), in the middle of a rotating shaft 3 is arranged, whose extensions set the beads in the grinding chamber in motion, it requires a seal between Mahlraumgephaseuse and shaft.
  • These seals are not seals in the classical sense, but they serve to retain the grinding media (beads with 0.5 - 2 mm diameter, depending on the sorting) in the so-called grinding chamber.
  • Object of the present invention is to provide a dip mill, which does not have the disadvantages mentioned above.
  • the immersion mill comprises a grinding chamber delimiting the grinding chamber and a rotor which can be driven by the stirrer shaft and is arranged in the grinding container, wherein a ring-cylindrical grinding space is formed between the grinding container inner wall and the outer circumference of the rotor.
  • the rotor has a cylindrical structure and within the rotor, an inner annular space is formed, which is arranged separately by a wall within the annular cylindrical grinding chamber.
  • the grinding chamber is designed to receive grinding beads that are moved by tools.
  • the grinding chamber has a grinding access in the upper area and a Mahlgutabgang in the lower area around the shaft.
  • a preferably tubular dividing screen is provided which extends around the shaft to separate the grinding beads from the material to be ground before the regrind exit.
  • the rotor has openings so that the grinding chamber and the inner annular space communicate with each other. The openings are preferably formed on the underside and / or the side surface of the rotor.
  • the dividing screen extends in a tubular manner around the agitator shaft and is directly connected to the agitator shaft or connected to the agitator shaft via the rotor, so that it can be rotated with the agitator shaft.
  • the dividing screen is attached to the inner plan face in the center of the rotor easily releasably secured and thereby inevitably rotates with the rotor.
  • it can be easily replaced, or the rotor can be replaced and the separation screen are used in the new rotor.
  • the rotating separation screen can be connected at one end thereof directly or via the rotor to the shaft, and at its other end it is provided with a seal, preferably a gap seal, which forms the rotating separation screen into a resting lower floor Dipping mill seals.
  • the seal is preferably carried out with a sliding ring.
  • the sliding ring is axially loaded with at least one spring, said sliding ring slides on a preferably occupied with wear-resistant material soil.
  • the materials and springs are designed so that a separation gap of up to 0.3 mm can be formed for a short time.
  • the sliding ring itself is made of wear-resistant material with good sliding properties, preferably of ceramic, hard metal or plastic, preferably of PE, PU plastic or PTFE compound.
  • a PTFE compound Teflon could be used with 25% carbon (see also DE102009013214B3
  • SiSiC silicon carbide with infiltrated Si or SiC of pure sintered silicon carbide is used as the ceramic.
  • tungsten carbide could be used with carbide or nickel binder as hard metal.
  • the separating screen is preferably a gap screen, which consists of a spirally wound profile wire, the Forming tube, wherein the wire is fixed at a defined distance to support rods, so that the gap between the profiled wire windings result in the column.
  • a gap screen which consists of a spirally wound profile wire, the Forming tube, wherein the wire is fixed at a defined distance to support rods, so that the gap between the profiled wire windings result in the column.
  • the dip mill has a Mahlgutzugang with an inlet opening in which an impeller is arranged, which preferably supports the promotion of the ground material and also prevents leakage of the grinding beads.
  • the impeller is designed like a propeller or a screw and also helps to transport the material to be ground into the immersion mill.
  • the tools that are attached to the rotor or to the wall of the dip mill are preferably pins.
  • These, and the wall of the rotor and the mill container are preferably made of wear-resistant carbide and steel or coated accordingly, so that the wear is low.
  • the tools of the rotor plan surfaces are arranged in a blade shape or with an offset or a staircase shape, so that a screw winding or a kind of propeller is formed, which presses the mix and the beads in the mill.
  • An important aspect of the invention is that the outer annular cylindrical grinding chamber with the inner annular space via a radially extending, flat, annular surface-shaped, downstream grinding chamber and / or connected via the ejection chambers.
  • the rotor is equipped with essentially radially extending ejection chambers, which extend to the inner annular space, and preferably expand there.
  • a tangent of the course of the ejection chamber to the radius of the annular space is set at an angle which opens in the direction of rotation. That is, there arises a tangent of the ejection chambers extending from the center against the direction of rotation, so that a flow of the ground material or of the beads into the cylindrical grinding space can be achieved by the rotational movement, without a jam being expected in the ejection chambers.
  • a cylindrical outer surface of the rotor cavity in the inner annular space between the Auswerfhuntn only tapered webs (dimension C in the FIG. 3 ), which are preferably smaller than 15 mm and preferably provided with a radius, so that the grinding beads find no support.
  • the ejection chambers keep their shape axially downwards and are open on the lower face of the rotor.
  • the ejection chambers have seen from the lower planar surface upwards, at the rotor outer diameter preferably a smaller depth than the inner cavity diameter of the rotor.
  • the ejection chambers of the rotor are connected via the horizontal, planar annular surface of the grinding chamber with the inner annular space, wherein the annular-cylindrical -Mahlraum and partially the flat, annular surface-shaped grinding chamber are filled with grinding beads.
  • the grinding material feed space arranged upstream of the grinding space is arranged with the grinding access around the stirring shaft in the upper centric area and is provided with the feed impeller, so that the grinding material flow with support of the tools in the feed space on the conical surface of the rotor conveys into the ring grinding space can be.
  • a dispersing disk When used with a dissolver, a dispersing disk can be fastened to the stirrer shaft below the immersion mill in a stirred vessel. The dispersing disk thus sucks in the material to be ground through the separating sieve.
  • the size of the rotor, the formation and / or arrangement of the tools, the rotational speed of the shaft and / or the performance of the dispersing disc are coordinated so that the millbase Mahlperlen current in the ejection chambers of the rotor largely freed by the centrifugal forces of grinding beads occurring is, so that the millbase can flow unhindered through the separation screen of the dip mill in the stirred tank, wherein the rotating dividing screen is equipped in the center of the dip mill at its lower end with a gap seal to prevent leakage of the beads.
  • the outer housing of the dip mill is double-walled, so that a cooling in the grinding container is arranged to cool the material to be ground.
  • Another part of the invention is a dissolver with a stirrer shaft, at the end of which is a dispersing disk with a drive that drives the stirrer shaft, which is intended to extend into a stirred tank, wherein a submersible mill as described above is attached to the stirrer shaft and to the housing of the dissolver.
  • dip mill is a corresponding part of the invention.
  • the invention has a good product introduction into the grinding chamber. Furthermore, the invention prevents the leaving of grinding beads through the open Mahlgutzugang.
  • the invention has a high, uniform energy density in the entire annular grinding chamber.
  • a further advantage regardless of the size of the mill, is a comparable cooling capacity corresponding to the size, the grinding capacity being linear with respect to the size of the machine.
  • the sieve allows for very small grinding beads and protects itself by its rotary motion.
  • the seal (grinding bead retention) is designed so that it can absorb dimensional tolerances, thermal expansion, radial shocks and wear.
  • the invention manages with less than 50% of the grinding beads of a conventional full-space immersion mill and achieves a higher grinding performance than these.
  • Fig. 1 shows a section through the present invention with a submersible mill 5, which is driven by a rotating stirrer shaft 3.
  • the shaft in turn is driven by a drive 1, usually an electric motor with or without gear.
  • This dip mill 5 is guided in a stirred container 29 and thus is located in a ground material 2.
  • the ground material 2 flows from above into the dip mill 5, being accelerated at an inlet / Mahlgutzugang 9 by an impeller 27, of blade-shaped tools 13, preferably pins 13, detected on the conical surface of a rotor 12 and guided into a grinding chamber 7. Where it is from a dispersing disk / pumping disk 4 below the Submersible mill 5 is sucked through a separating screen 10 and thereby obtains its strongest orientation.
  • the complete mill (immersion mill) 5 submerged in the material to be mixed / ground material 2 is achieved in comparison to the known, closed full-space and annular space agitator mills (see US Pat DE 3844380 C1 . DE 3716587 C1 . DE 4240779 C1 )
  • An open, pressureless system such as the submersible mill 5 in the mixing vessel 29 itself.
  • the agitator mills with an external pump the millbase pressed into the grinding chamber, from which it can then flow out after grinding in the unpressurized (atmosphere) , So it is in the dip mill a completely different flow behavior of the ground material and grinding beads - Mahlgutmasse compared to the known Rlickwerksmühlen given.
  • Fig.2 how out Fig.2 can be seen, is by the annular cylindrical configuration of the grinding chamber 7 with a relatively small volume of the invention submersible mill over the entire mills - interior or comparatively full room mill (see submersible mills DE 10 2009 013 214 B3 ) in a significant advantage, since only a small amount of grinding beads 8 are needed.
  • annular grinding chamber 7 which, of course, presupposes that a regrind positive guidance is provided in this annular grinding chamber 7 and can not get from the access to the exit as in the case of conventional dip mills by the shortest route.
  • a feeding of the ground material is carried out by a Mahlgut feed space 26.
  • the annular cylindrical design of the grinding chamber 7 is achieved in particular that the grinding beads 8 only small radial paths in the grinding chamber, since they held by exploiting the centrifugal forces occurring in this outer, cylindrical grinding chamber 7 or gather after a machine start-up in this area.
  • the rotor 12 In order to better bring in this motion beads compressed ring grinding chamber 7, the kinetic energy of the rotor 12 in a Mahlgut MahlSystemmasse or Mahlperlenmasse 24, the rotor 12 is also provided on its outer cylindrical surface with stirring tools, preferably with pins 13, the grinding beads put into a strong turbulence, so that between these grinding beads and between grinding beads and Mahlraumbegrenzung and the grinding beads and the tools 13, the grinding or dispersion of the ground material takes place.
  • tools preferably pins 13, are attached to the stationary cylindrical inner wall 14 of the grinding chamber, which brakes the rotating grinding material mass 24 and causes additional turbulence, ie kinetic energy ,
  • Fig. 2 is good to see that the cylindrical inner wall 14 is designed double-walled to the outside to dissipate, if necessary, with a suitable cooling medium 16, preferably water, heat energy.
  • a suitable cooling medium preferably water, heat energy.
  • This outer annulus / grinding chamber 7 (see Fig. 2 ) is turned inwardly by the cylindrical rotor 12 (see Fig. 2-5 ) formed on the vertical stirrer shaft 3 is formed. At its lower limit, the rotor 12 has a plane annular surface 17, which in turn limits this downstream grinding chamber 23 upwards. This ring surface of the rotor is also equipped with stirring tools ( Fig. 2 . 3 .
  • the dividing screen 10 is spaced around the agitator shaft 3 and the hub of the rotor 12 is disposed, and is easily releasably secured to the inner, upper planar surface and rotates with the rotor 12 about the common axis.
  • the dividing screen is usually a slotted screen, in which a profile wire spirally wound with a defined distance as a cylinder. The individual spiral turns are fastened to rods in the interior, which are arranged axially (see DE 3844380 C1 . DE 3716587 C1 . DE 4240779 C1 ). Since also act on the Siebmantelification by the rotational movement centrifugal forces, this separator 10 is largely free of grinding beads 8 or cleans itself largely.
  • a seal according to Fig.2 is referred to as a gap seal 11 in a preferred embodiment and is arranged in the lower region of the rotating separation screen 10. It is from the construction largely a classic mechanical seal. In one possible embodiment, this serves only as retention of the grinding beads 8 and does not have to be dense. Therefore, the term gap seal 11, as it allows a small separation gap (opening gap). As a special feature, the gap seal 11 is able to absorb axial dimensional inaccuracies and the different thermal expansion of the stirrer shaft 3 and of the support rods 20 of the submersible mill 5. It is also able to keep their separation gap dimension easily in the radial shocks of the agitator shaft 3.
  • the sliding ring is also able to compensate for the resulting wear.
  • a hard material such as carbide in the mating ring 22 in the bottom area against the rotating, spring-loaded sliding ring 21 made of ceramic or preferably made of wear-resistant plastic.
  • plastic it could be the material as it is already used today in lip seals. Again, it will open DE 10 2009 013 214 B3 directed.
  • the plastics can be used in 20 2013 101 084.7 were called, which have a high inventory force during rotation, in particular suitable PE and PU, PTFE compound material, see above.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Claims (13)

  1. Un broyeur à panier à billes (5) pour le traitement d'un broyat fluide (2) avec des moyens pour fixer des parties du broyeur à panier à billes à un arbre de rotation vertical (3) d'un dissolveur et le dissolveur lui-même, avec un récipient de broyage (31) délimitant une chambre de broyage (7, 23, 26) et un container de broyage qui peut être entraîné par l'arbre de rotation (3), un rotor (12) disposé ans le récipient de broyage (31), une chambre de broyage annulaire cylindrique (7) étant formée entre la paroi interne du récipient de broyage (14) et la circonférence externe du rotor (12), et un espace annulaire interne (19), qui est disposée à l'intérieur de la chambre de broyage annulaire cylindrique (7), qui est formée à l'intérieur du rotor (12),
    la chambre de broyage (7, 23, 26) étant adaptée pour recevoir des billes de broyage (8), la chambre de broyage ayant un accès de matériau à broyer (9) et une sortie de matériau à broyer (30), un tamis de séparation (10) étant prévu pour séparer les billes de broyage (8) du matériau à broyer (2) avant la sortie du matériau à broyer (30),
    le rotor (12) ayant des outils (13) pour déplacer le broyat (2) et les billes de broyage (8) au sein de la chambre de broyage (7, 23, 26),
    le rotor (12) ayant des ouvertures, de sorte que la chambre de broyage (7) et l'espace annulaire intérieur (19) communiquent l'un avec l'autre, le tamis de séparation (10) s'étendant dans l'espace annulaire intérieur (19) suivant une manière tubulaire autour de l'arbre de rotation (3) et peut être directement connecté à une extrémité de l'arbre de rotation (3) ou étant connecté via le rotor (12) de telle manière à être entraîné avec l'arbre de rotation (3),
    caractérisé en ce que
    - le tamis de séparation (10) est pourvu à son autre extrémité d'un joint, de préférence un joint d'étanchéité (11), venant sceller le tamis de séparation tournant (10) au un fond stationnaire (25) du broyeur à panier à billes (5), de préférence avec une bague coulissante (21),
    et/ou
    - dans lequel le rotor (12) est fourni avec des chambres d'éjection s'étendant substantiellement radialement (18), qui s'étendent vers l'espace annulaire intérieur (19) et s'y répandent là, dans lequel une tangente de la course de la chambre d'éjection (18) vers le rayon de l'espace annulaire est fixé à une angle s'ouvrant dans la direction de rotation.
  2. Le broyeur à panier à billes selon la revendication 1, dans lequel le matériau à broyer présente une ouverture d'entrée (9) dans lequel une hélice (27) est disposée, qui supporte de préférence le transport du matériau à broyer et empêche également une sortie des billes de broyage.
  3. Le broyeur à panier à billes selon une ou plusieurs des revendications précédentes, dans lequel les outils, qui sont de préférence des broches (13), sont agencés en forme de lame afin d'accélérer l'écoulement du matériau de broyage à partir d'un espace conique d'alimentation de matériau de broyage (26) dans la chambre de broyage cylindrique annulaire (7), et par lesquels les billes de broyage (8) déjà ainsi largement maintenues dans la chambre de broyage (7);
    et/ou
    dans lequel le rotor (12) est pourvu d'outils, de préférence des broches (13), au sein de la chambre de broyage cylindrique annulaire (7), la paroi interne cylindrique (14) du récipient de broyage (31) étant de préférence équipée d'outils supplémentaires, de préférence avec des broches (13), supplémentaires pour un accroissement de la capacité de broyage.
  4. Le broyeur à panier à billes selon une ou plusieurs des revendications précédentes, dans lequel la chambre de broyage cylindrique annulaire extérieure (7) est connectée à l'espace annulaire intérieur (19) via une chambre de broyage aval annulaire plate (23) s'étendant radialement et/ou via une chambre d'éjection (18), dans laquelle, de préférence un rotor (12) au sein de la chambre de broyage annulaire (23) est disposé en aval de la chambre de broyage cylindrique annulaire (7), agencé dans la région de la base (25) du container de broyage avec les outils rotatifs, de préférence avec des broches (13) qui sont de préférence de forme de lame.
  5. Le broyeur à panier à billes selon une ou plusieurs des revendications précédentes, dans lequel seules des bandes coniques (dimension C), de préférence inférieures à 15 mm, restent dans l'espace annulaire interne (19) entre les chambres d'éjection (18) à partir d'une surface externe cylindrique de la cavité du rotor, de préférence à rayon, dans lequel ces chambres d'éjection (18) conservent axialement leur forme vers le bas et s'ouvrent à la surface plane inférieure (17) du rotor (12), dans lequel ces chambres d'éjection (18), vues de la surface plane inférieure (17) vers le haut, ont de préférence une profondeur inférieure au diamètre extérieur du rotor qu'au diamètre de la cavité interne du rotor.
  6. Le broyeur à panier à billes selon une ou plusieurs des revendications précédentes, dans lequel le tamis de séparation (10) est fixé de manière aisément amovible à la face plane intérieure au centre du rotor (12) et est donc nécessairement rotatif avec l'arbre d'agitation (3).
  7. Le broyeur à panier à billes selon une ou plusieurs des revendications précédentes, dans lequel le tamis séparateur (10) est muni à sa surface annulaire inférieure d'une bague coulissante (21), qui est de préférence chargée axialement d'au moins un ressort (28), ladite bague coulissante coulissant sur une base (25) qui est de préférence recouverte d'un matériau résistant à l'usure (22), dans lequel, de préférence, les matériaux et les ressorts sont conçus de telle sorte que pendant un court laps de temps, un intervalle de séparation <0,3 mm puisse également être formé.
  8. Le broyeur à panier à billes selon une ou plusieurs des deux revendications précédentes, dans lequel la bague de glissement (21) elle-même est constituée d'un matériau résistant à l'usure ayant de bonnes propriétés de glissement, de préférence de céramique ou de matière plastique, de préférence de PE, de matière plastique PU ou de PTFE.
  9. Le broyeur à panier à billes selon une ou plusieurs des deux revendications précédentes, dans lequel le tamis de séparation (10) est un tamis divisé constitué d'un fil métallique profilé enroulé en spirale formant la forme tubulaire, le fil métallique étant fixé à une distance définie aux barres de support créant des espaces.
  10. Le broyeur à panier à billes selon une ou plusieurs des revendications précédentes, dans lequel la chambre de broyage (7) est reliée à l'espace annulaire interne (19) par les chambres d'éjection (18) du rotor (12) et par les surfaces annulaires plates et horizontales (17), dans lequel la chambre de broyage cylindrique annulaire (7) et, partiellement la chambre de broyage plane annulaire (23) sont remplies de billes de broyage (8), dans lequel la chambre d'alimentation en matériau à broyer (26) disposée en amont de la chambre de broyage (7) est agencée avec un accès de matériau à broyer (9) autour de l'arbre d'agitation (3) dans la région centrale supérieure, et est fourni avec le rotor de chargement (27), de telle manière que le flux de matériaux à broyer est amené dans la chambre de broyage annulaire (7) avec support des outils (13) dans la chambre d'alimentation (26) sur la surface conique du rotor (12).
  11. Le broyeur à panier à billes selon une ou plusieurs des revendications précédentes, dans lequel un disque de dispersion (4) est fixé à l'arbre rotatif (3) en dessous du broyeur à billes à panier (5) dans un récipient tournant (29) au sein d'une cuve rotative (29) et aspire ainsi le matériau à broyer de manière soutenue à travers le tamis séparateur (10), dans lequel la taille du rotor, la formation et/ou la disposition des outils (13), la vitesse de rotation de l'arbre et/ou l'efficacité du disque de dispersion (4) sont ainsi formées, en ce sens que le flux de la masse de corps pouvant être broyés (24) dans les chambres d'éjection (18) du rotor (12) est en grande partie libéré des billes de broyage (8) par les forces centrifuges qui se produisent, et le broyable (2) peut laisser le broyeur à panier à billes (5) sans perturbation du tamis de séparation (10) dans le récipient rotatif (29), le tamis de séparation tournant (10) étant équipé d'un espace joint (11) à son extrémité inférieure au centre du broyeur à panier à billes pour empêcher les billes de s'échapper.
  12. Le broyeur à panier à billes selon une ou plusieurs des revendications 1 à 12, caractérisé par l'utilisation sur un arbre de rotation (3) d'un dissolveur à l'extrémité duquel se trouve un disque de dispersion (4), avec un entraînement (1) entraînant l'arbre de rotation (3) destiné à s'étendre dans un réservoir rotatif (29).
  13. Un dissolveur avec un arbre rotatif (3) à l'extrémité duquel se trouve un disque dispersant (4), avec un entraînement (1) entraînant l'arbre rotatif (3), qui est destiné à s'étendre dans un récipient d'agitation (29), caractérisé en ce qu'un broyeur à panier à billes selon l'une ou plusieurs des revendications 1 à 12 est fixé à l'arbre rotatif (3).
EP16160742.9A 2015-04-16 2016-03-16 Broyeur haute puissance a chambre annulaire avec tamis separateur rotatif et joint labyrinthe Active EP3081305B1 (fr)

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CN112207705A (zh) * 2020-10-28 2021-01-12 无锡兴华机械有限公司 一种方便彻底下料的振动研磨机
CN112517141B (zh) * 2020-11-13 2022-03-29 湖北宇浩高科新材料有限公司 一种碳纳米管浆料生产用高效磨盘式分散结构及分散方法
CN113828395B (zh) * 2021-09-03 2023-01-31 南京利卡维智能科技有限公司 一种多轴研磨机
CN114669372A (zh) * 2022-02-24 2022-06-28 广东顺德工业设计研究院(广东顺德创新设计研究院) 研磨设备、分珠机构及其操作方法
CN117463481B (zh) * 2023-12-28 2024-03-12 大兴安岭益康野生食品加工有限公司 一种蔓越莓原浆低温双研磨装置

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