EP1861201B1 - Dispositif et procede de broyage d'agglomerats - Google Patents

Dispositif et procede de broyage d'agglomerats Download PDF

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Publication number
EP1861201B1
EP1861201B1 EP06708725.4A EP06708725A EP1861201B1 EP 1861201 B1 EP1861201 B1 EP 1861201B1 EP 06708725 A EP06708725 A EP 06708725A EP 1861201 B1 EP1861201 B1 EP 1861201B1
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EP
European Patent Office
Prior art keywords
rotor
knives
axial
angled
knife
Prior art date
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EP06708725.4A
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German (de)
English (en)
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EP1861201A1 (fr
Inventor
Martin Dörr
Hermann Schwinn
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Maschinenfabrik Gustav Eirich GmbH and Co KG
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Maschinenfabrik Gustav Eirich GmbH and Co KG
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
    • B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
    • B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
    • B22C5/045—Devices having a horizontal stirrer shaft in a fixed receptacle
    • 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
    • B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
    • B02C13/06—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft with beaters rigidly connected to the rotor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
    • B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
    • B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
    • B22C5/0477—Mixing while transporting the mixture on an endless belt, e.g. with driven stirring elements

Definitions

  • the present invention relates to a device and a method for comminuting agglomerates and similar material capable of being crushed by mechanical impact, the device consisting of a rotatably driven rotor having a plurality of blade-like comminution tools which are brought into contact with the material to be comminuted.
  • This known device is concretely a comminution tool, which is designed for the comminution of a pretreated and pressed filter cake, wherein the material of the filter cake is sand and ground rock, which is pretreated in particular by rinsing and its filter cake pressed on a conveyor belt is fed to the crushing tool.
  • This filter cake is comminuted by rotating the knives, the front edges of which are curved backwards in the direction of rotation, which initially leads to compression and then tearing pieces of the filter cake, so that they are thrown against a wall, where they can be further broken up .
  • the tips of the blades are additionally bent in the direction of the blade shaft.
  • the distance of the bent blade sections to the conveyor belt is set to a maximum of 5 mm to ensure that 95% of the size reduction particles have dimensions of less than 5 mm.
  • the supplied material has the form of a filter cake, which in any case already consists of very small particles and is supplied in a well-defined layer on the conveyor belt.
  • the blades must have a relatively large distance between them, which can lead to agglomerates, which are added in the form of a loose bed, larger lumps of material between the blades can be moved through without be sufficiently charged by the knives.
  • the comminution takes place via wear-protected relatively thick flails, which are mounted spirally on a horizontally running shaft with a relatively large lateral distance.
  • the fast-rotating shaft is mounted transversely to the conveying direction of the belt conveyor so that the rotating flails are moved through the bulk material, but have no contact with the underlying belt of the belt conveyor.
  • the inner surfaces of the relatively close to the spinning unit arranged cover is provided for example with wear-resistant non-stick liners.
  • the problem of the known solution is that, especially in the molding sand preparation located on the belt conveyor Good is removed by the relatively thick flail from the bed of good and thrown tangentially forward and upward in the direction of rotation of the rotating shaft.
  • the tubers are crushed by the impact stress of the flails as well as the impact on the housing wall.
  • the transport in vertical Despite the non-stick coating, the direction with high tangential velocities leads to strong caking in the collecting housing.
  • the rotating flails must therefore move through both the relatively loose material and the compacted caking in the housing, resulting in high wear and unnecessarily high drive power to the rotating shaft.
  • the present invention has the object to provide a device for crushing agglomerates and similar material and a corresponding method, which ensure especially in agglomerates such as foundry sand, a better crushing effect and thereby largely by further measures material caking prevent.
  • the wings consist of narrow blades, measured in the axial direction of the rotor thickness more than 2mm and a maximum of 20 mm and their repeating distance along the axial direction is at least 5 mm and not more than 30 mm.
  • the repetition distance given above refers to knives arranged approximately at the same angle with respect to the rotor axis, ie. h are adjacent in the axial direction and in the circumferential direction at least partially overlapping, so either at the same angular position axially behind the other or z. B. are arranged spirally circumferentially with smaller relative offset angles. Otherwise, of course, several knives under different Angular positions and without mutual overlap even at the same axial height, d. h, be arranged at a pitch 0.
  • An embodiment of the invention is particularly preferred in which the thickness of the knives is less than 15 mm and in particular less than 10 mm but more than 2 mm, with a thickness or thickness of the knife in the range of 3 mm to 7 mm particularly preferred is.
  • the blades are made of a wear-resistant material as possible, for which in particular hardened steels, but also carbide are suitable.
  • the radial length of the blades in the preferred embodiment is at least 25% of the rotor diameter, preferably at least 30% of the total rotor diameter.
  • the blades are each provided on rotor elements, which consist of several contiguous, arranged at approximately equal angular intervals knives, which are interconnected, for example via a central ring, this central ring, for example, on a rotatably driven, central shaft of the rotor can be pushed.
  • the knives are designed so that they also give the material to be crushed in addition to the rotation direction corresponding forward pulse and a slight lateral pulse.
  • This can be achieved, for example, in that the individual knives, which consist essentially of wear-resistant, flat, strip-shaped elements, either slightly twisted out of a radial plane, twisted in its longitudinal direction or at its free ends from a radial plane out in the axial direction are angled.
  • These different knife designs are also with each other combined.
  • Each of the aforementioned features of an angling or twisting of the knife blade has the effect that the material which is cut through the knife, also a lateral component of movement is given. Notwithstanding any profiling, each knife has a leading edge, a trailing edge, and two opposing side surfaces interconnecting the leading and trailing edges. The above defined twisting or angulation of the blades relates to one or both of these side surfaces, respectively.
  • an embodiment of the device according to the invention is particularly preferred, in which the number of twisted in one direction or angled knife is approximately equal to the number of twisted in the opposite direction or angled knife, so that the total material entrained motion components perpendicular essentially cancel the actual transport direction, whereby a better crushing effect is achieved by these opposite lateral movements, in particular also in that a part of the material cut by a knife, which is not acted upon directly by the knife, deflected somewhat in the lateral direction and thus exactly in the trajectory of a subsequent circumferential and axial direction or adjacent knife is brought.
  • the angled ends extend over less than a quarter of the radial blade length.
  • the bend should be less than 30 °, in particular less than 20 °, but if possible also over 3 °, e.g. between about 5 ° and 10 °.
  • the ends could also be curved, the curvature being such that a tangent at the curved region at the tip of the knife deviates by a maximum of 30 ° from the radial direction.
  • both knives with angled ends and simple straight, flat blades can be arranged simultaneously on one and the same rotor, wherein it is generally preferred if of the knives having angled ends, in each case half in the one and the other half is angled in the other direction.
  • the individual rotor elements which have either 2, 4, 6 or 8 knives, each configured identically, so that a plurality of axially aligned one behind the other, similar rotor elements form the rotor.
  • the rotor elements expediently have a central ring which is slid onto a suitable shaft, with a variant being particularly preferred in which the ring has a radially inwardly projecting projection which fits into an axially or slightly helical or wavy along the shaft extending groove is inserted. If a corresponding projection on the ring with respect to the knife is always arranged in the same angular position, this means that the individual blades of axially successive rotor elements follow the course of the groove along the shaft.
  • a radially projecting bar or the like which engages in a corresponding groove in the inner circumference of the rings of the rotor elements.
  • the axially aligned knives which could optionally also be slightly helical or wavy instead of an exact axial orientation, each have identically formed knives, i. Knives whose tips are each angled in the same direction, while a group of blades that is adjacent to the former group in the circumferential direction, could have an angling or twisting in another direction, but in any case the blades of such in the axial direction are essentially identical in each case substantially aligned group.
  • This embodiment is particularly space-saving and has uniform gap widths between adjacent blades of the same circumferential position.
  • an embodiment of the invention is preferred in which the rotor is mounted axially movable, wherein means are provided which impart to the rotor during the rotation of an oscillatory axial movement.
  • the oscillatory axial movement is then superimposed on the rotational movement of the knife so that the knives during the cutting of the material to be crushed at the same time also have a component of movement in the axial direction, ie transverse to the conveying direction of the material, and so in a similar manner as bends or twists of the blade tip to crushing material give a slight lateral component with respect to the conveying direction.
  • the frequency of the oscillatory movement is expediently synchronized with the rotational movement.
  • the axial oscillation frequency is preferably between one and four times the rotational frequency, wherein the factor between rotational frequency and oscillation frequency is expediently made dependent on the number of rows of blades distributed along the circumference of the rotor.
  • the axial reciprocating motion is preferably sinusoidal, wherein expediently the entire rotor, including its bearings, is axially reciprocable and the corresponding rotor holder is moved axially back and forth overall with the frequency mentioned.
  • the amplitude of the axial oscillatory motion in the preferred embodiment should not be more than the axial repeat distance of adjacent blades of the same angular position, preferably the amplitude should be only about 1/3 to 2/3 of the axial pitch of the blades.
  • the corresponding rotor is housed in a longitudinally transversely to the rotor axis formed and can be placed on a conveyor housing.
  • the housing is designed so that it closes a space above a conveyor, such as a conveyor belt, upwards and laterally, wherein the side walls of the housing extending in the vicinity of the edges of the conveyor belt to just above this conveyor belt and wherein the housing in the area the rotor has a clear height, which is expediently between 1.5 and 3 times the rotor diameter, in particular between 1.7 and 2.3 times this height.
  • the length of the housing is a multiple of its height, since in the preferred orientation of the rotor, the material to be crushed is thrown by the rotating blades forward and can be better caught at a distance from the blades.
  • a curtain of flexible sheet material is used, which hangs at a distance which corresponds to a multiple and at least twice the rotor diameter, at the end or just before the end of the housing and rests on the conveyor or the material transported thereon.
  • this curtain of flexible material may consist of a plurality of parallel strips and, if desired, two or more such curtains may be arranged in short distance one behind the other to ensure that no material is ejected at high speed forward from the housing.
  • the upper side of the housing is expediently lined with a flexible and preferably wear-resistant sheet material, whereby here, however, no close contact or even a coating of the housing inner wall is to be understood by lining, but rather this flexible sheet material hangs loosely from the upper side of the housing or at a distance loosely suspended under the upper housing inner wall.
  • the inventive method is characterized in that a rotor is used with the above features, wherein in a preferred embodiment, the rotor is arranged so that the blade moves in engagement in the conveyed on a material transported under the rotor in the conveying direction through this material become.
  • this relative movement of the knife passing through the material with simultaneous transport of the material along a conveying direction is also the case, which effectively gives the material a lateral component of movement in the case of angled knife tips.
  • the device in question is placed in a conveying direction, wherein care must be taken that the blades engage in the transported on a conveyor belt or similar material, but in any case maintain a safe distance from the conveyor itself, so as not to damage ,
  • the peripheral speeds at the outer ends of the knife is suitably between 5 and 20 m / s, preferably between 10 and 15 m / s.
  • the conveying speed is on the order of 0.5 to 2 m / s, in particular about 1 m / s.
  • At a different conveying speed and the rotational speed of the rotor can be adjusted accordingly, so that overall the above-mentioned relative velocities result, but also be dependent on the material and thus may differ from the above values.
  • the material is reciprocated by the blades not only in the direction of rotation of the blades, but also perpendicular thereto, while the blades cut through the material. This is done mainly by using appropriately shaped knives.
  • the crushing device according to the invention is in FIG. 1 in side view and in FIG. 2 shown in front view.
  • the crushing device consists essentially of a rotor 7 and is secured by means of a support frame 2 on a belt conveyor 3.
  • the conveyed, such. B. foundry sand, rests on a flat-running belt 4, which is supported on support rollers 5 on the frame of the belt conveyor 6.
  • the rotor 7 or its shaft 13 is held laterally in bearings 8 which are fixed to the support frame 2.
  • the drive of the rotor 7 via a motor 9 with V-belt transmission 10.
  • the motor 9 is mounted on a motor rocker 11, so that the V-belt 10 can be tensioned via a pressure screw 12.
  • the knife-like crushing means On the central shaft 13 of the rotor 7 rotor elements 14 are fixed, the knife-like crushing means, briefly referred to as "knife 24", having angled ends 27 have. Between the outer end of the comminution means and the belt 4, a gap can be adjusted via a correspondingly height-adjustable holding device 15.
  • the cover housing (16) of the crushing device is clamped between the support frame 2.
  • the cover housing 16 is formed long in the direction of rotation of the rotor 7 and behind the rotor, for example, still has a length which is about 4-6 times the rotor diameter.
  • the interior of the cover 16 is provided with a curtain of flexible material 17, such as rubber.
  • this curtain is made from parallel strips of flexible material which are suspended longitudinally or transversely from the cover 16, ie from the side walls or from the top wall.
  • the curtain 17 is fastened to the cover housing 16, for example via terminal strips 18.
  • the curtain is suspended so that it rubs on the belt or the conveyed and so an undesirable Outlet of product, which is thrown up by the fast-running rotor 7 in small subsets, in the conveying direction of the Conveyor belt prevented.
  • two or more curtains 19 of flexible material can be attached one behind the other.
  • the rotation of the rotor 7 is preferably carried out in a direction which coincides with the transport direction of the belt 4 of the belt conveyor 3 in the lower engagement region of the rotor.
  • operation in the opposite direction is also possible, although not currently preferred.
  • the shape of the housing is tapered wedge-shaped in the preferred embodiment in the direction of the outlet opening of the belt 4, wherein the height above the belt 4 in the region of the rotor 7 between 1.5 and 3 times the rotor diameter D, preferably between the 1.7 and 2.3 times the diameter D, is.
  • the height above the belt 4 is between 0.5 and 1.5 times the diameter D of the rotor 7, preferably between 0.7 and 1.3 times the diameter D.
  • the lateral sealing of the crushing device 1 on the belt 4 is carried out by rubber lips 20 which are attached to the belt 4 grinding on the housing 16.
  • the setting of the sealing gap is carried out when using the rubber lips, for example via screws by means of terminal strips 21, which are provided with slots.
  • the rotor 7 consists of a plurality of juxtaposed on the central shaft 13 rotor elements 14.
  • the rotor elements 14 may be interchangeable or not interchangeable connected to the central shaft 13.
  • the complete rotor 4 can be made in one piece.
  • the rotor elements 14 are releasably connected to the central shaft 13 and each have rotor blades or blades 24 offset by 45 °, 60 °, 90 ° or 180 ° from each other.
  • the rotor blade or blade 24 is required between the blades 24 and between the rotor elements 14 Distance is adjusted via spacers 22 located therebetween.
  • any other angle settings are possible.
  • angled ends 27 of the blades 24 each show in the same direction, while the ends 27 of the arranged in a (relative to the axis of the shaft 13) other fixed angular position knife 24 together in the opposite direction are angled
  • FIG. 3 A preferred variant of the rotor element 14 in an (axial) plan view shows FIG. 3 .
  • the associated, radial side view shows FIG. 4 .
  • a knife 24 On the inner edge 25 of the annular cutout 23, a nose 26 is formed, which allows a rotationally secure assembly via a corresponding groove on the central shaft.
  • the ends 27 of the blades 24 are angled in the opposite direction by an angle ⁇ out of the plane.
  • the angle ⁇ is between 3 ° and 20 °, preferably between 5 ° and 10 °.
  • the in FIG. 2 shown rotor is composed of the rotor elements 14, as shown in the FIGS. 3 and 4 are shown.
  • two axially immediately successive rotor elements 14 are each rotated by 90 ° from each other, so that in the axial plan view, a shape of the rotor results, as in the in FIG. 5 right recognizable rotor can be seen.
  • Additional spacers between the rotor elements may possibly be dispensed with altogether in such an embodiment or in other rotors constructed from two-winged rotor elements 14.
  • the thickness of the blade in the region of engagement with the conveyed material is generally between 2 mm and 10 mm, preferably between 3 mm and 5 mm.
  • the distances between the arms 24 and the ends 2 of the comminuting means is between 3 mm and 15 mm, preferably between 3 mm and 7 mm, thus resulting in a pitch of the rotor elements 14 in the axial direction of a minimum of about 5 to (preferably) not more than 25 mm results, with repetition distances up to 50 mm still quite reasonable.
  • the total diameter D of the rotor 4 is between 150 mm and 400 mm, preferably between 250 mm and 300 mm.
  • the axial length of the rotor 7 is adapted to the width of the belt conveyor and is between 80% and 100% of the total width, preferably between 90% and 95% of the total width of the conveyor belt 4th
  • the peripheral speed at the outer ends 27 of the rotor elements 14 is between 5 m / s and 20 m / s, preferably between 10 m / s and 15 m / s.
  • Decisive for efficient operation is the relative speed to the belt conveyor, which is at a conveying speed of 1 m / s depending on the direction of rotation of the rotor between 4 m / s and 21 m / s, preferably between 9 m / s and 16 m / s.
  • FIG. 5 Another variant of a crushing device shows FIG. 5 .
  • the peripheral speeds of the rotors can be the same size or different sizes.
  • the use of differently sized diameter rotors is possible.
  • the shape and the axial distance of the rotor elements on the different rotors may differ.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Claims (31)

  1. Dispositif pour le broyage d'agglomérats et de matériau semblable à broyer, consistant d'un rotor (1) conçu pour pouvoir être entraîné en rotation, avec une pluralité d'outils de broyage (24) ayant la forme d'aubes et pouvant être mis en contact avec le matériau pour découper celui-ci, caractérisé en ce que les outils de broyage (24) consistent de couteaux minces (24) dont l'épaisseur mesurée dans la direction axiale du rotor est supérieure à 2 mm et ne dépasse pas 20 mm au maximum et dont la distance de répétition en direction axiale est au moins 5 mm et n'est pas supérieure à 30 mm, la longueur axiale de chacun des couteaux étant au moins 25 % du diamètre du rotor.
  2. Dispositif selon la revendication 1, caractérisé en ce que l'épaisseur des couteaux est inférieure à 15 mm, notamment inférieure à 10 mm et de manière particulièrement préférée au moins 3 mm et au maximum 7 mm, et en ce que la distance de répétition est inférieure à 20 mm et au moins 5 mm, de préférence au moins 8 mm.
  3. Dispositif selon l'une des revendications 1 ou 2, caractérisé en ce que la longueur radiale de chacun des couteaux est au moins 30 % du diamètre total du rotor.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le rotor consiste de plusieurs éléments rotors disposés axialement les uns derrière les autres qui comprennent chacun plusieurs couteaux répartis à distances angulaires égales.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que le rotor est monté axialement mobile, des dispositifs étant prévus pour mouvoir le rotor axialement en avant et en arrière pendant la rotation du rotor autour de son axe.
  6. Dispositif selon la revendication 5, caractérisé en ce que des dispositifs de synchronisation sont prévus pour synchroniser le mouvement axial en avant et en arrière avec le mouvement en rotation du rotor.
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que les couteaux (24) s'étendant en direction radiale du rotor sont torsadés du centre vers l'extérieur.
  8. Dispositif selon la revendication 7, caractérisé en ce que le nombre de couteaux torsadés en une première direction est approximativement égal au nombre de couteaux torsadés en une deuxième direction.
  9. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que les couteaux sont coudés à leurs extrémités libres à partir d'un plan radial en direction axiale.
  10. Dispositif selon la revendication 9, caractérisé en ce que les extrémités coudées ont une longueur de moins d'un quart de la longueur radiale des couteaux.
  11. Dispositif selon la revendication 9 ou 10, caractérisé en ce que les extrémités des couteux (24) sont coudées d'un angle α qui est de moins de 30°, notamment de moins de 20°, mais d'au moins 3° et notamment entre 5° et 10°.
  12. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que les extrémités des couteaux sont coudées à partir d'un plan radial en direction axiale, la tangente à la pointe de couteau enfermant avec la direction radiale un angle de moins de 30°.
  13. Dispositif selon l'une des revendications 9 à 12, caractérisé en ce que, de la totalité des couteaux d'un rotor, approximativement la moitié des extrémités de couteau est coudée dans une direction axiale et l'autre moitié est coudée dans la direction axiale opposée.
  14. Dispositif selon la revendication 4 ou selon l'une des revendications dépendant de la revendication 4, caractérisé en ce que les éléments de rotor comprennent respectivement 2, 4, 6 ou 8 couteaux qui sont disposés les uns par rapport aux autres à des distances angulaires égales.
  15. Dispositif selon la revendication 14 dans lequel plusieurs éléments rotors sont disposés axialement les uns derrière les autres, caractérisé en ce que les extrémités coudées dans la même direction, de rotors successifs, sont disposées approximativement dans la même position angulaire.
  16. Dispositif selon l'une des revendications 1 à 15, caractérisé en ce que le rotor est disposé dans un carter ayant une forme allongée transversalement à l'axe du rotor et étant conçu pour pouvoir être disposé sur un dispositif de convoyage.
  17. Dispositif selon la revendication 16, caractérisé en ce que le carter est pourvu, sur sa face intérieure, d'un matériau flexible en lés en suspension libre de la paroi intérieure supérieure du carter.
  18. Dispositif selon la revendication 17, caractérisé en ce que le matériau en lés consiste de plusieurs bandes parallèles.
  19. Dispositif selon l'une des revendications 17 ou 18, caractérisé en ce que le matériau flexible en lés est résistant à l'usure.
  20. Dispositif selon l'une des revendications 17 à 19, caractérisé en ce que le matériau en lés forme, dans la direction de convoyage, un rideau en suspension sur le matériau transporté non broyé.
  21. Procédé de broyage d'agglomérats et de matériau semblable apte à être broyé par des coups mécaniques, étant utilisé pour le broyage un dispositif avec un rotor destiné à être mis en contact avec le matériau, qui comporte des outils de broyage ayant la forme d'aubes, caractérisé en ce qu'un rotor est utilisé dont les outils de broyage consistent de couteaux qui présentent une épaisseur mesurée dans la direction axiale du rotor d'au moins 2 mm et d'un maximum de 20 mm et qui présentent une distance de répétition en direction axiale d'au moins 5 mm et d'un maximum de 30 mm, la longueur axiale de chacun des couteaux étant au moins 25 % du diamètre du rotor.
  22. Procédé selon la revendication 21, caractérisé en ce que l'épaisseur des couteaux est au maximum de 15 mm, de préférence au maximum de 10 mm et notamment entre 3 mm et 7 mm, et en ce que la distance de répétition est inférieure à 20 mm et de préférence entre 8 mm et 15 mm.
  23. Procédé selon l'une des revendications 21 ou 22, caractérisé en ce que le dispositif est disposé sur un dispositif de convoyage, la direction de rotation du rotor étant choisie de façon que les couteaux traversent le matériau transporté sur le dispositif de convoyage, dans la direction de convoyage.
  24. Procédé selon l'une des revendications 21 à 23, caractérisé en ce qu'il est utilisé, pour intercepter du matériau projeté en l'air par le rotor, un matériau flexible en lés en suspension libre de la paroi intérieure supérieure du carter du dispositif.
  25. Procédé selon l'une des revendications 21 à 24, caractérisé en ce que le rotor (1) est déplacé, pendant son mouvement en rotation et de manière supplémentaire, axialement en avant et en arrière.
  26. Procédé selon la revendication 25, caractérisé en ce que la vitesse axiale maximale du rotor est de moins de la moitié, de préférence de moins d'un dixième de la vitesse circonférentielle du rotor.
  27. Procédé selon la revendication 25 ou 26, caractérisé en ce que la fréquence du mouvement en avant et en arrière est un multiple entier de la fréquence de rotation du rotor, le multiple entier correspondant de préférence au nombre de lignes de couteaux disposées dans différentes positions angulaires, divisé par deux.
  28. Procédé selon l'une des revendications 25 à 27, caractérisé en ce que l'amplitude du mouvement en avant et en arrière est inférieure ou égale à la distance de couteau et est de préférence entre 1/3 et 2/3 de la distance de couteau axiale entre des couteaux avoisinants de même position angulaire.
  29. Procédé selon l'une des revendications 25 à 28, caractérisé en ce que la fréquence de rotation du rotor et la fréquence de mouvement en avant et en arrière sont synchronisées l'une avec l'autre de façon que le rotor ait toujours une vitesse axiale maximale lorsque les pointes d'une ligne de couteaux axialement alignés atteignent leur position la plus basse.
  30. Procédé selon l'une des revendications 21 à 29, caractérisé en ce que les couteaux sont torsadés et/ou sont coudés à leurs extrémités afin de dévier le matériau, pendant sa découpe, partiellement en direction axiale du rotor.
  31. Procédé selon la revendication 30, caractérisé en ce que le nombre de couteaux torsadés dans une direction et/ou coudés dans une direction correspond approximativement au nombre de couteaux torsadés dans la direction opposée ou coudés dans la direction opposée.
EP06708725.4A 2005-03-22 2006-03-10 Dispositif et procede de broyage d'agglomerats Active EP1861201B1 (fr)

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DE102005013716A DE102005013716A1 (de) 2005-03-22 2005-03-22 Vorrichtung und Verfahren zum Zerkleinern von Agglomeraten
PCT/EP2006/060629 WO2006100187A1 (fr) 2005-03-22 2006-03-10 Dispositif et procede de broyage d'agglomerats

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EP1861201A1 EP1861201A1 (fr) 2007-12-05
EP1861201B1 true EP1861201B1 (fr) 2017-05-24

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EP (1) EP1861201B1 (fr)
JP (1) JP5190357B2 (fr)
CN (1) CN101151100B (fr)
BR (1) BRPI0609406B1 (fr)
DE (1) DE102005013716A1 (fr)
ES (1) ES2636541T3 (fr)
HU (1) HUE035290T2 (fr)
PL (1) PL1861201T3 (fr)
RU (1) RU2419491C2 (fr)
WO (1) WO2006100187A1 (fr)

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DE102005013716A1 (de) 2005-03-22 2006-10-12 Maschinenfabrik Gustav Eirich Gmbh & Co. Kg Vorrichtung und Verfahren zum Zerkleinern von Agglomeraten
DE102011005519A1 (de) * 2011-03-14 2012-09-20 Maschinenfabrik Gustav Eirich Gmbh & Co. Kg Verfahren zum Granulieren oder Agglomerieren sowie Werkzeug hierfür
CN104646141A (zh) * 2015-02-16 2015-05-27 宁波长荣酿造设备有限公司 一种熟料粉碎混合机
CN107715958B (zh) * 2017-09-29 2020-04-03 湖北华强智合科技咨询有限公司 一种环保型工业物料结巴处理器

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GB1039157A (en) 1964-07-13 1966-08-17 Thomas Robinson & Son Ltd Improvements relating to machines for processing powdered materials
US3752410A (en) * 1971-07-19 1973-08-14 Nat Eng Co Apparatus for sizing particulate material
US3742410A (en) * 1971-10-12 1973-06-26 Westinghouse Electric Corp Adaptor for mounting conventional through type current transformers on flat spade terminals
US3964732A (en) * 1974-12-30 1976-06-22 Hartley Controls Corporation Apparatus for mixing molding sand
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GR79842B (fr) * 1983-05-03 1984-10-31 Kalverkamp Klemens
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CN87212761U (zh) * 1987-11-03 1988-07-06 青岛第四铸造机械厂 新型转子混砂机
DE3827282A1 (de) * 1988-08-11 1990-02-15 Lescha Maschf Gmbh Vorrichtung zur herstellung von kompost
JP2000185237A (ja) * 1998-12-22 2000-07-04 Matsushita Electric Works Ltd 造粒機のチョッパーインペラ
JP2001334162A (ja) * 2000-05-29 2001-12-04 Hitachi Constr Mach Co Ltd 脱水ケーキ細粒化装置
JP2002253980A (ja) * 2001-02-28 2002-09-10 Hitachi Constr Mach Co Ltd 解砕コンベア装置及びこれに用いる解砕機並びに脱水ケーキ細粒化システム
JP2004276015A (ja) * 2003-02-28 2004-10-07 Dainippon Ink & Chem Inc 解砕装置および金属粉体の解砕方法
JP2005058166A (ja) * 2003-08-20 2005-03-10 Gifu Prefecture 動物用飼料、動物用飼料の製造方法、及び動物用飼料の製造装置
DE102005013716A1 (de) 2005-03-22 2006-10-12 Maschinenfabrik Gustav Eirich Gmbh & Co. Kg Vorrichtung und Verfahren zum Zerkleinern von Agglomeraten

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EP1861201A1 (fr) 2007-12-05
JP2008534247A (ja) 2008-08-28
BRPI0609406B1 (pt) 2019-05-14
JP5190357B2 (ja) 2013-04-24
US7857245B2 (en) 2010-12-28
RU2007138955A (ru) 2009-04-27
HUE035290T2 (en) 2018-05-02
BRPI0609406A2 (pt) 2010-04-06
PL1861201T3 (pl) 2017-09-29
CN101151100A (zh) 2008-03-26
US20080283641A1 (en) 2008-11-20
CN101151100B (zh) 2012-11-14
WO2006100187A1 (fr) 2006-09-28
ES2636541T3 (es) 2017-10-06
RU2419491C2 (ru) 2011-05-27
DE102005013716A1 (de) 2006-10-12

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