EP3356049A1 - Dispositif de traitement et élément de traitement et élément de revêtement de paroi pour un dispositif de traitement de ce type - Google Patents

Dispositif de traitement et élément de traitement et élément de revêtement de paroi pour un dispositif de traitement de ce type

Info

Publication number
EP3356049A1
EP3356049A1 EP16788694.4A EP16788694A EP3356049A1 EP 3356049 A1 EP3356049 A1 EP 3356049A1 EP 16788694 A EP16788694 A EP 16788694A EP 3356049 A1 EP3356049 A1 EP 3356049A1
Authority
EP
European Patent Office
Prior art keywords
processing device
elements
treatment
rotor
processing
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.)
Pending
Application number
EP16788694.4A
Other languages
German (de)
English (en)
Inventor
Kai Grosch
Manuel Huber
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.)
BHS Sonthofen GmbH
Original Assignee
BHS Sonthofen 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 BHS Sonthofen GmbH filed Critical BHS Sonthofen GmbH
Publication of EP3356049A1 publication Critical patent/EP3356049A1/fr
Pending 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
    • B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
    • B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
    • B02C13/1807—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor the material to be crushed being thrown against an anvil or impact plate
    • B02C13/1835—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor the material to be crushed being thrown against an anvil or impact plate by means of beater or impeller elements fixed in between an upper and lower rotor disc
    • 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
    • B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
    • B02C13/1807—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor the material to be crushed being thrown against an anvil or impact plate
    • B02C13/185—Construction or shape of anvil or impact plate
    • 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
    • B02C13/28—Shape or construction of beater elements
    • B02C13/2804—Shape or construction of beater elements the beater elements being rigidly connected to the rotor
    • 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
    • B02C13/282—Shape or inner surface of mill-housings

Definitions

  • the invention relates to a conditioning apparatus for processing material to be processed, comprising a stationary housing having a feed opening for feeding material to be processed and a rotor rotatably mounted in the stationary housing about a substantially vertically extending rotor axis, wherein a plurality adjacent the outer periphery of a base member of the rotor is mounted by bearing pins on the base member, on each of which a processing element is mounted, and wherein the radially outer ends of the processing elements with an inner peripheral wall of the stationary housing a
  • Rotor Impact Mill RPM is suitable for the comminution of low to medium abrasive substances, in particular minerals, and is used in particular for the production of sands for any purpose, for example for the concrete, asphalt and dry mortar industry, as well as for the milling of fertilizers
  • Rotor Impact Mill RPMV for example, in the recycling industry because it can be used to crush and separate material composites, while material entangling singles, as well as metals can be glued and cleaned.
  • the treatment device according to the invention is intended for these types of material processing.
  • Bearing journals are connected to each other via a connecting disc.
  • the connecting disc provided according to the invention, the forces occurring during material conditioning can be better absorbed by the entire rotor, i. the base element, which are distributed to this fixed journal and the processing elements mounted on these. This makes it possible to operate the rotor at a higher speed, which in turn results in an improved treatment result.
  • the connecting disc is designed as an annular disc.
  • This embodiment has proven to be completely sufficient in experiments.
  • the forces occurring in the material processing are introduced from the conditioning elements namely mainly in the circumferential direction of the rotor in the bearing journals, so that a mutual support of the bearing pin in the circumferential direction of the rotor is sufficient to achieve the desired effect.
  • the inner peripheral wall of the stationary housing may be protected at least partially, preferably at least at the level of the treatment elements, by wall cladding elements which together with the radially outer ends of the treatment elements form the treatment gap.
  • the wall cladding elements are immovably connected, for example screwed, to the inner peripheral wall of the stationary housing. In this way, changes in the width of the processing nip, which are caused by movements of the wall cladding elements relative to the inner peripheral wall of the stationary housing, reduced, if not completely excluded. This also contributes to a homogenization and thus improvement of the treatment result.
  • At least one wall cladding element has a plurality of substantially vertically extending ribs over at least part of the vertical extent of the treatment elements, preferably over their entire height extent.
  • the treatment elements are U-shaped, the free ends of the U-shape forming the radially outer ends of the respective treatment element, and the treatment elements the central portion of the U-shape are held only by the centrifugal forces occurring in operation from the inside radially on the associated bearing journal, so that they can evade radially inward, if necessary, process forces which act on them from the processing gap ago.
  • a wedge-shaped projection is provided on the inside of the U-shape of the treatment element, said wedge-shaped projection being formed in a wedge-shaped recess of the bearing element corresponding to the wedge-shaped projection. engages pin or a bearing pin mounted on the adapter element.
  • the interaction of the wedge surfaces of the wedge-shaped projection with the wedge surfaces of the corresponding wedge-shaped recess makes it more difficult to tilt the treatment element about a substantially vertical axis, which approximates the radially outer end of the treatment element to the inner peripheral wall of the stationary housing Remove the other radial outer end of the inner peripheral wall and thus would have a change in the width of the processing gap result. This stabilization of the storage of the treatment element contributes to a homogenization and thus improvement of the treatment result.
  • the opening angle of the wedge shape may be between about 120 ° and 140 °, preferably about 130 °.
  • the above-mentioned tilting of the treatment element about a substantially vertically extending axis can also be made more difficult by the fact that the inner surfaces of the mutually substantially parallel sections abut also to each other substantially parallel side surfaces of the journal.
  • the processing element can hereby be guided in a substantially radial direction over a length of at least 35 mm, preferably at least 50 mm.
  • a plurality of adapter elements is provided, which differ from each other in terms of the distance between the wedge tips of the wedge shape of the wedge-shaped recess facing the treatment element and the wedge-shaped projection facing the bearing pin. From this set of adapter elements, it is possible to select the adapter element which is suitable for the particular application case in hand. Furthermore, this can compensate for a wear-related change in the length of the treatment element. In cooperation with the substantially parallel course of the sections of the treatment element which are adjacent to the radially outer ends of the treatment element, the treatment conditions in the treatment gap can also be kept at least approximately constant even when the treatment element is worn. The aforementioned distance may vary, for example, in steps of a few millimeters, for example in 4 mm increments.
  • At least one processing element is formed symmetrically to a horizontally extending plane.
  • all conditioning elements have this symmetry.
  • a preferably conically shaped distribution element is arranged, which deflects substantially vertically fed aufrendes material in a respect to the substantially vertically extending rotor axis substantially radially extending direction ,
  • the material to be reprocessed is accelerated outwards by centrifugal forces upon impact with the rotor, captured by the processing elements and thrown against the inner circumferential wall of the stationary housing.
  • the material rebounding from the inner circumferential wall of the stationary housing is in turn gripped by the treatment elements, thereby being crushed by renewed impact and thrown back against the inner circumferential wall of the stationary housing.
  • This process takes place several times and causes intensive, multiple use of the material to be reprocessed.
  • the processed material exits the rotor through an exit gap between the rotor and the inner peripheral wall of the stationary housing below the processing nip.
  • the essentially vertically supplied material to be processed is fed to the upper surface of the connection disk or to an element connected to it.
  • the material to be treated is distributed evenly on this upper surface as it strikes the upper surface of the connecting disk or the element connected thereto by centrifugal forces and accelerated radially outward. There it passes through an entrance gap between the inner peripheral wall of the stationary housing and the connecting disc or the connected thereto element in the processing gap between the treatment elements and the inner peripheral wall of the stationary Housing. As it passes through the processing nip, the material to be processed is subjected to impact, tensile, compressive, and shear stresses, thereby disintegrating composites, crushing brittle components, and ductile components are deformed, especially sphered. It should be mentioned as a particular advantage that in this second alternative development, the entire height of the processing gap can be used for processing the material to be processed.
  • At least one wall cladding element has a first portion, which is designed and intended, during operation of the treatment device substantially over the upper edge of the Extending processing elements, and a second portion which is designed and intended to extend beyond a predetermined height in the operation of the processing device beyond the rotor.
  • all wall cladding elements are formed in this way.
  • At least one substantially vertically extending rib provided in the first section extends into the second section, and preferably over the entire height of the second section.
  • the at least one rib extending into the second section serves as an obstacle, which is intended to be worked-up material, which, when accelerating radially outwards, also has a velocity component in the circumferential direction, decelerate to facilitate its entry into the processing nip.
  • At least one substantially vertically extending rib provided in the first section terminate at a position which, during operation of the processing device, is arranged at least at the level of the upper edge of the processing elements but at most at the level of the upper surface of the rotor.
  • the upper edge of the at least one rib is formed with a closing surface which extends obliquely away from the wall covering element and from the second section towards the first section.
  • This termination surface serves as a reference slope for the material to be processed, which facilitates its passage from the further section into the narrower section.
  • the wall cladding element may have four substantially vertically extending ribs, of which the two outer ribs extend only over the height of the first section, while the two inner ribs extend into the second section and preferably over the entire height of the wall cladding element.
  • an upper fixing screw hole and in the first portion between each of the pair of ribs formed by an outer rib and an inner rib, a lower fixing screw hole for fixing the wall covering member to the inner peripheral wall of the stationary one Housing be provided in the second portion between the two inner ribs.
  • the apertures adjacent may further be provided an enlarged recess which serves to receive the head of the respective fastening screw. In this way, the fixing screws respectively be protected by a pair of ribs from damage by reprocessing material.
  • the wall cladding elements are formed at their side edges with pairwise overlapping projections.
  • at least one wall cladding element at its two side edges may have a substantially over the entire height of the wall cladding element extending shoulder whose thickness is substantially equal to half the thickness of a base plate of the wall cladding element, wherein the one shoulder of the mounted state of the wall cladding element on the inner peripheral wall of the stationary housing adjacent surface of the wall covering element is disposed adjacent, while the other shoulder is disposed away from this surface.
  • the invention relates to a treatment element and a wall cladding element for the treatment device according to the invention.
  • a treatment element and a wall cladding element for the treatment device according to the invention.
  • Figure 1 is a perspective view of an embodiment of the treatment device according to the invention.
  • Figure 2 is a perspective cross-sectional view of a tower unit of
  • Figure 3 is a perspective view of a rotor of the invention
  • Figure 4 is a perspective view of the rotor of Figure 3 with attached conditioning and anti-wear elements;
  • Figure 5 is a perspective cross-sectional view of the rotor of Figure 4.
  • Figure 6 is a perspective cross-sectional view of a detail of the rotor of Figure 4, wherein the rotor is shown cut horizontally;
  • Figure 7 is a plan view of a portion of the detail of the rotor
  • FIG. 8 shows a perspective view of an embodiment of the wall cladding element according to the invention.
  • Figure 9 is a rear perspective view of the wall covering element of Figure 8.
  • Figure 10 is a perspective view of one embodiment of a trunnion wear protection element
  • FIG. 12 is a perspective cross-sectional view similar to FIG.
  • FIG. 1 shows the processing device 10 according to the invention, which comprises a tower unit 12 and a drive unit 14, which are arranged on a vibration isolation 16.
  • the vibration isolation 16 is in turn carried by a pedestal 18, which may be connected, for example, to the foundation of a factory floor or to other components of a treatment plant.
  • the tower unit 2 comprises a stationary housing 20, which in the exemplary embodiment illustrated in FIG. 1 is substantially cylindrical and has a feed opening 22 at its upper end in order to be able to introduce material to be processed into the processing device 10.
  • the material prepared by the processing device 10 according to the invention can then leave the processing device 10, for example, through the base 18, which thus also serves as the material discharge 24 in the embodiment of the processing device 10 according to the invention shown in FIG.
  • FIG. 2 shows a side cross-sectional view of the tower unit 12 from FIG. 1, wherein the sectional plane runs through a central axis formed by the cylindrical shape of the stationary housing 20.
  • the stationary housing 20 defines an internal cavity into which the supply opening 22 opens.
  • a rotor 26 is accommodated, which is connected at its underside by using reinforcing elements 28 with an upper end of a drive shaft 30, by means of a bearing 32, in the embodiment shown in Figure 2 by means of a ⁇ laufschmtechniks- storage , is rotatably mounted.
  • a pulley 34 is provided, which with the drive shaft 30th is rotatably connected and connected via a belt, such as a V-belt, with a corresponding output shaft of the drive unit 14.
  • the drive shaft of the drive unit 14 driving unit is formed in the embodiment shown here as an electric motor.
  • the stationary housing 20 of the tower unit 12 is subdivided into a cover unit 36 and a pot unit 38, the cover unit 36 being lifted off the pot unit 38 by a pivoting device 40 and pivoted away from the pot unit 38 or pivoted towards the pot unit 38 and lowered onto it can be.
  • the rotor 26 is shown without the remaining components of the processing device 10.
  • the rotor 26 comprises a base element 44, on which bearing journals 46 are arranged which extend upwards from a substantially horizontal upper side of the base element 44 in a substantially vertical orientation.
  • the bearing pins 46 are connected to each other by means of an annular connecting disc 48.
  • the bearing pins 46 are connected to both the base member 44 and the connecting disc 48 via mounting screws 50 (of which only two have been provided with reference numerals in Figure 3).
  • mounting screws 50 of which only two have been provided with reference numerals in Figure 3.
  • Bearing 46 further connected to the base member 44 and with the connecting disc 48 via fastening bolts 52, wherein the fits between rule the fastening bolts 52 and the corresponding recesses in comparison to the fits between the fastening screws 50 and their corresponding recesses are always chosen such that acting on a bearing pin 46 forces, apart from the above-mentioned holding forces, on the bolt 52, and not on the Fixing screws 50 are distributed to the connecting disc 48 and the base member 44 and thus to the other bearing pin 46.
  • the bearing journals 46 have a V-shaped depression 54 on their side which is radially inward with respect to the base element 44.
  • the bearing pins 46 On their side opposite the V-shaped recess 54, the bearing pins 46 have receptacles 42 for bearing pin wear protection elements 56, as shown in FIGS. 3 to 5.
  • the base element 44 is provided on its upper side with a wear protection plate 58 and on its outer periphery with first wear protection elements 60.
  • the substantially circular disc-shaped base member 44 is connected at its upper side in the region of its center with an annular wear protection plate 62, such. can be seen in Figure 5, which in turn receives a wear protection element with a conical dome 64 in its central opening.
  • the conical mandrel of the corresponding wear protection element 64 has in the illustrated embodiment, a central passage opening, via which at least the wear protection element with conical mandrel 64 can be connected via a fastening screw 66 with the drive shaft 30.
  • the rotor 46 can be attached at least in one direction axially to the drive shaft 30 at this.
  • the connecting disc 48 has on its underside a plurality of second wear protection elements 68 connected thereto and on its outer periphery a plurality of third wear protection elements 70 connected thereto.
  • the connecting disk 48 has an upper wear protection plate 72, wherein in FIGS. 2 to 5 a first wear protection plate 72 is provided. Guide shape of this upper wear plate 72 is shown.
  • the upper wear plate 72 Analogous to the connection of the connecting disc 48 and the base member 44 with the bearing pin 46, at least the upper wear plate 72, possibly also the other wear protection elements, connected to the connecting disc 48 via bolts 74 and fastening screws 76, wherein the bolts 74 designed to are to absorb the horizontal portions of the forces acting on the upper wear plate 72 forces.
  • the embodiment of the upper wear protection plate 72 shown in FIGS. 2 to 5 has a central passage opening 78 with substantially the same diameter as the central opening of the annular connection disc 48.
  • processing elements 80 can be seen, which, as shown in FIGS. 6 and 7, are substantially U-shaped. A central portion of the U-shape connecting the two free legs of the U-shape is spaced apart from the associated bearing pin 46 in a direction radial to the base element 44, where appropriate using adapter elements 82.
  • the adapter elements 82 have at their radially to the base member 44 inner side a V-shaped recess, which corresponds to a V-shaped projection on a pointing in the direction of the free legs of the U-shape side of the central portion of the U-shape of the processing elements 80 in that, in the mounted state, the V-shaped projection of a conditioning element 80 engages in the V-shaped recess of an adapter element 82 associated therewith.
  • the adapter elements 82 V-shaped projections which can engage with the V-shaped recesses 54 on the bearing pin 46.
  • the inner surfaces of the free legs of the U-shape of the processing elements 80 run substantially parallel to one another, wherein they are slidably mounted in the exemplary embodiment shown here on two side surfaces of an associated bearing pin wear protection element 56.
  • the conditioning elements 80 are designed to be manufactured using a casting process.
  • FIGS. 6 and 7 show that an inner peripheral wall of the stationary housing 20 of the tower unit 12, in particular of the pot unit 38, is provided with wall cladding elements 84.
  • the wall covering elements 84 are shown in greater detail in FIGS. 8 and 9.
  • the wall cladding elements 84 are curved such that they can be circumferentially along the inner peripheral surface of the stationary housing 20 extending and adjacent to each other.
  • a wall cladding element 84 has four parallel ribs 86 on its radially inner surface, wherein the two outer ribs 86 extend only over a first region 88, while the two inner ribs 86 extend over both the first region 88 also extend partially over a second area 90.
  • the end faces of the two outer ribs 86 facing the second region 90 are inclined in such a way that they extend radially inwards in the direction of the first region 88.
  • a recess 92 is provided in the first region 88 for a fastening screw 94 (as shown in FIGS. 6 and 7).
  • a further recess 92 for a fastening screw 94 is provided in the second region 90 between the two middle ribs 86.
  • the wall cladding elements 84 are provided with projections 95 in such a way that two adjacent wall cladding elements 84 overlap each other in the assembled state of the wall cladding elements 84 (see FIGS. 6 to 9).
  • FIG. 9 shows a rear view of the wall covering element 84, in which the three recesses 92 for the fastening screws 94 can be seen.
  • Each recess 92 is surrounded by a projection 96.
  • the projections 96 serve as spacers to the inner circumferential surface of the Sta tionary housing 20. Between the inner peripheral surface of the stationary housing 20 and the projections 96 of the wall cladding elements 84 thus a defined contact area is formed. If the inner peripheral surface of the stationary housing 20 is provided with recesses corresponding to the projections 96, the projections 96 of the wall covering members 84 may also serve to position the wall covering members 84 on the inner peripheral surface of the stationary housing 20.
  • Material to be processed which is introduced via the feed opening 22 into the stationary housing 20 of the tower unit 12, falls on the base element 44 or on the wear protection elements and wear protection plates mounted thereon. Due to the rotation of the rotor 26, which is driven via the drive unit 14, a V-belt (not shown) and the drive shaft 30, the material to be processed impinging on the rotor is accelerated radially outwards, so that it bounces against either a wall cladding element 84 or a treatment element 80 and can be crushed there. Material rebounding from the wall cladding elements 84 is caught by outer surfaces of the free legs of the U-shape of the treatment elements 80 and further comminuted.
  • Material which is present in the area of the wall cladding elements 84 can be detected by the tips of the free ends of the U-shape of the treatment elements 80, which define a processing gap 98 (see FIGS. 6 and 7) over their distance from the wall cladding elements 84
  • the material to be processed is further subjected to a shear stress and thus can be further crushed. Sufficiently comminuted material then falls over an exit gap 100 between the wall cladding elements 84 and the anti-seizure elements attached to the base element 44, in particular the lower wear protection plate 58, into an area below the base cladding. elements 44, from where the processed material can be removed via the material discharge 24 from the processing device 10.
  • All anti-wear elements can be replaced if necessary.
  • the processing gap 98 can be adjusted by radial displacement of the processing elements 80.
  • the adapter elements 82 can be exchanged for almost identical adapter elements 82 ', of which only the distance between the V-shaped recess and the V-shaped projection of the adapter elements 82 is different.
  • the respective conditioning element 80 can be positioned radially so that a desired conditioning gap 98 can be obtained.
  • FIGS. 10 and 11 show, by way of example, two wear protection elements, FIG. 10 representing a bearing pin wear protection element 56 and FIG. 11 a third wear protection element 70, which serves to protect the outer circumferential surface of the connection plate 48.
  • the wear protection elements 56 and 70 each comprise a support 56a and 70a, which is made for example of metal, on which a hard welding order 56b and 70b is applied, which is used as a baffle layer for
  • FIG. 12 shows a second embodiment of a treatment device or its tower unit with rotor according to the invention, which essentially corresponds to the treatment device 10 according to FIGS. 1 to 11, and differs from the treatment device 10 described above mainly in the embodiment of the upper wear protection plate. Therefore, in FIG. 12, analogous parts with the same reference The processing device 110 according to FIG. 12 will therefore be described below only insofar as it differs from the embodiment according to FIGS. 1 to 11, whereby hereby expressly reference is made to FIGS Description of the embodiment according to Figures 1 to 11 is referenced.
  • the tower unit 112 shown in FIG. 12 comprises a stationary housing 120 in which a rotor 126 is accommodated, these elements being analogous to the embodiment described above.
  • a rotor 126 Arranged on a plurality of bearing journals 146 is an annular connecting disc 148 connecting them, on which in turn an upper wear protection plate 172 is arranged.
  • the upper wear protection plate 172 of the treatment device 110 is substantially circular disk-shaped. This means that the material to be processed, which is introduced through a feed opening 122 into the stationary housing 120 of the tower unit 112, does not fall directly onto a base element 144 or wear protection elements attached thereto, but first to the upper wear protection plate 172 material to be processed, analogous to the above-described material to be processed, which impinges on the base member 44 of the processing apparatus 10 and is accelerated due to a rotation of the rotor 126 radially outwardly accelerated.
  • the material to be treated meets wall cladding elements 184 which are identical to the wall cladding elements 84 described above.
  • the wall cladding elements 184 are in particular arranged in relation to the upper wear protection plate 172 such that a first region 188 (see reference numeral 88 in FIG. 8) of the wall cladding elements 184 is arranged below the upper side of the upper wear protection plate 172 so that material to be processed in a second region 190 (FIG. please refer Reference numeral 90 in Figure 8) of the wall cladding elements 184 impinges on the wall cladding elements 184 and is ideally subjected to a first material crushing process.
  • the material to be processed may subsequently fall from the second region 190 of the wall cladding elements 184 into the first region 188 of the wall cladding elements 184, which is favored by the above described different configuration of the second region 190 compared to the first region 188 of the wall cladding elements 184 to be treated according to the above-described manner.
  • a driver device 173 is arranged on the upper wear protection plate 172, which is cross-shaped in the exemplary embodiment shown here.
  • the entrainment device 173 is connected to the upper wear protection plate 172 via projections or / and fastening screws and associated recesses.
  • the carrier device 173 prevents the upper wear protection plate 172 from moving under the material to be processed without giving it sufficient radial acceleration component.
  • connecting disc 148 which in the embodiment shown in FIG. 12 is identical to the connecting disc 48, can also be circular disk-shaped when using a circular disk-shaped upper wear protection plate 172.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

La présente invention concerne un dispositif de traitement (10) pour traiter de la matière à traiter, comprenant un boîtier fixe (20) qui présente une ouverture d'apport (22) permettant l'apport de matière à traiter, et un rotor (26) monté dans le boîtier fixe (20) pour pouvoir tourner autour d'un axe de rotor sensiblement vertical, la périphérie extérieure d'un élément de base du rotor (26) étant fixée à l'élément de base au voisinage d'une pluralité de tourillons au niveau desquels se trouve un élément de traitement respectif, et les extrémités radialement extérieures des éléments de traitement formant un espace de traitement avec une paroi circonférentielle intérieure du boîtier fixe (20). L'invention se caractérise en ce que les extrémités libres des tourillons sont reliées entre elles par un disque de liaison.
EP16788694.4A 2015-11-02 2016-10-31 Dispositif de traitement et élément de traitement et élément de revêtement de paroi pour un dispositif de traitement de ce type Pending EP3356049A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015221425.7A DE102015221425A1 (de) 2015-11-02 2015-11-02 Aufbereitungsvorrichtung, sowie Aufbereitungselement und Wandverkleidungselement für eine derartige Aufbereitungsvorrichtung
PCT/EP2016/076205 WO2017076795A1 (fr) 2015-11-02 2016-10-31 Dispositif de traitement et élément de traitement et élément de revêtement de paroi pour un dispositif de traitement de ce type

Publications (1)

Publication Number Publication Date
EP3356049A1 true EP3356049A1 (fr) 2018-08-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16788694.4A Pending EP3356049A1 (fr) 2015-11-02 2016-10-31 Dispositif de traitement et élément de traitement et élément de revêtement de paroi pour un dispositif de traitement de ce type

Country Status (6)

Country Link
US (1) US10758911B2 (fr)
EP (1) EP3356049A1 (fr)
JP (1) JP6755948B2 (fr)
CN (1) CN108348920B (fr)
DE (1) DE102015221425A1 (fr)
WO (1) WO2017076795A1 (fr)

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CN108787042B (zh) * 2018-03-27 2019-07-12 赵东生 一种能快速分级的筒状磨粉转子及其工作方法
IT201900002797A1 (it) * 2019-02-27 2020-08-27 Claudio Bano Trituratore perfezionato
CN110523497A (zh) * 2019-07-01 2019-12-03 中国建筑一局(集团)有限公司 一种离心式再生骨料剥离整形机
CN111545332B (zh) * 2020-04-15 2021-12-03 安徽东方钙业有限公司 电磁式矿石粉碎机的上料装置
IT202000023695A1 (it) * 2020-10-08 2022-04-08 Guidetti Srl Mulino per ridurre la granulometria di materiale solido

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JP6755948B2 (ja) 2020-09-16
DE102015221425A1 (de) 2017-05-04
US10758911B2 (en) 2020-09-01
US20180297034A1 (en) 2018-10-18
JP2018533468A (ja) 2018-11-15
CN108348920A (zh) 2018-07-31
CN108348920B (zh) 2020-08-21
WO2017076795A1 (fr) 2017-05-11

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