EP2987564B1 - Ossature de tambour de cribleur, tambour de cribleur et procede de montage d'une ossature de tambour de cribleur - Google Patents

Ossature de tambour de cribleur, tambour de cribleur et procede de montage d'une ossature de tambour de cribleur Download PDF

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Publication number
EP2987564B1
EP2987564B1 EP15181325.0A EP15181325A EP2987564B1 EP 2987564 B1 EP2987564 B1 EP 2987564B1 EP 15181325 A EP15181325 A EP 15181325A EP 2987564 B1 EP2987564 B1 EP 2987564B1
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EP
European Patent Office
Prior art keywords
ribs
transverse
screening drum
longitudinal ribs
profiles
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.)
Active
Application number
EP15181325.0A
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German (de)
English (en)
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EP2987564A1 (fr
Inventor
Martin Stefanic
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.)
Stadler Anlagenbau GmbH
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Stadler Anlagenbau GmbH
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B07B1/22—Revolving drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/005—Transportable screening plants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens

Definitions

  • the invention relates to a screen drum skeleton, a screen drum and a method for assembling a screen drum skeleton according to claims 1, 6 and 9, respectively.
  • the screen drum skeleton comprises a left outer ring, a right outer ring, a plurality of longitudinal ribs and a plurality of transverse ribs, wherein the longitudinal ribs extend continuously from the left outer ring to the right outer ring, wherein the longitudinal ribs are formed as U-profiles, wherein the longitudinal ribs with the Outer rings are connected by connecting means and wherein each transverse rib connects at its two ends in each case two adjacent longitudinal ribs and is connected thereto by connecting means.
  • Such a screen drum can be broken down into a plurality of components with low transport volume and is thus optimally suited for transport, in particular road transport or container transport by land, sea or air.
  • the outer rings form flat slices, which can be transported upright and standing if necessary.
  • the longitudinal ribs form long rods, which can be transported lying in the direction of travel and the transverse ribs form short arc sections, which can also be transported lying in the direction of travel.
  • transverse webs are perpendicular to the legs of the U-profiles and welded to the legs and in particular with a central web of the U-profiles and wherein the legs of the U -Profile in the region of their transverse webs have holes for attachment of the transverse ribs.
  • transverse webs increase the torsional rigidity of the longitudinal ribs.
  • the transverse webs which are aligned in alignment with the transverse ribs, allow an improved force transmission between two adjacent transverse ribs.
  • transverse ribs as T-profiles and to equip at both ends with a flange plate arranged perpendicular to its central web, wherein the flange plate is welded to the central web and with legs of the T-profiles and wherein the flange plate bores for fixing the transverse ribs on the thighs of the longitudinal ribs.
  • Such transverse ribs have bearing surfaces with the flange plates with which they rest flat against the longitudinal ribs in the mounted state, so that the longitudinal ribs and the transverse ribs are connected to one another at a defined angle and stabilize each other against misalignment.
  • transverse ribs as curved T-profiles or to form the transverse ribs as T-profiles welded from flat blanks, wherein a bending line or an imaginary bending line lies in each case in the transition region of a central web to legs.
  • bent parts can be inexpensively manufactured from normalized semi-finished or with such welds can meet the highest dimensional requirements.
  • the screening drum according to the invention comprises a screen drum frame according to at least one of the preceding claims 1 to 4 and a plurality of a drum shell forming screen plates, wherein the screen plates are each arranged in longitudinal ribs and transverse ribs fields and are bolted to the longitudinal ribs and transverse ribs and wherein the adjacent to the outer rings screen plates in addition are bolted to the outer rings.
  • a drum is due to its modular design of individual components with low volume optimally suitable for transport and forms in the assembled state continues to be a stable and dimensionally accurate sieve drum, since all items are connected by glands.
  • a first group of rib rings which is formed by a first part of the transverse ribs, in the longitudinal extent of the Trommelgerippes each at equal, first intervals apart and that a second group of rib rings, which formed by a second part of the transverse ribs is in the longitudinal extent of the Trommelgerippes each at equal, second intervals apart, wherein the adjacent to the two outer rings rib rings to these the first or the second distance, wherein the second distance is greater than the first distance and wherein the second distance in particular at least 10% larger than the first distance.
  • a screen drum skeleton formed between the longitudinal ribs distributed uniformly around the circumference, the transverse ribs or rib rings and the outer rings between longitudinal ribs and its transverse ribs comprises exclusively fields with a first field surface and with a second field surface, the second field surface being larger in particular as at least 10% larger than the first field area.
  • each Siebring the screen drum is formed of screen plates of the same length and wherein the second length is at least 10% greater than the first length.
  • the assembly method according to the invention for mounting a Siebtrommelgerippes comprising two outer rings, longitudinal ribs, transverse ribs and connecting means, first align the two outer rings distributed over three circumferentially spaced longitudinal ribs parallel to each other and then connect by connecting means to a cylinder-like basic geometry, wherein thereafter for further stiffening the remaining longitudinal ribs are connected to the outer rings with further connecting means and then set for repeated stiffening the transverse ribs between the longitudinal ribs and connected to these with connecting means.
  • FIG. 1 shows a drum system 1, which comprises a screening drum 2 according to the invention.
  • the drum unit 1 further comprises a machine housing 3, a right drum bearing 4, a feed chute 5, a right drive unit 6, a left drum bearing 7, a discharge chute 8 and a left drive unit 9.
  • the drum 2 is rotatable about one drum bearings 4, 7 Rotary axis or longitudinal axis D2 stored and is the Execution of their screening function driven by the drive units 6 and 9.
  • FIG. 2 shows the in the FIG. 1 shown sieve drum 2 in isolation.
  • the screen drum 2 comprises a screen drum frame 10, which is completed by screen plates 11 to the screen drum 2.
  • the screen plates 11 to three left sieve rings 12a, 12b and 12c as coarse sieves 13 and two right Sieve 14a, 14b are arranged as fine sieves 15.
  • FIG. 3 shows the screen drum frame 10 for a better understanding of its structure in incomplete design.
  • FIG. 4 shows the screen drum frame 10 in its entirety.
  • the screen drum frame 10 comprises a left outer ring 16, a right outer ring 17, seven longitudinal ribs 18, a plurality of transverse ribs 19 and a plurality of connecting means 20 for connecting said individual components.
  • the longitudinal ribs 18 extend continuously from the left outer ring 16 to the right outer ring 17.
  • the longitudinal ribs 18 are formed as U-profiles U18 and connected to the outer rings 16, 17 by the connecting means 20 , wherein the connecting means 20 are designed as screw connections. That in the FIG.
  • each transverse rib 19 connects with its two ends 21, 22 in each case two directly adjacent longitudinal ribs 18, this again taking place with the aid of the connecting means 20.
  • a plurality of fields 23 are formed, in which to form the complete screening drum 2 screen plates not shown here are used, which also by connecting means with the longitudinal ribs 18, the Transverse ribs 19 and, if they are adjacent to the outer rings 16, 17, are also connected to the outer rings 16, 17 by fastening means.
  • FIG. 5 is the complete screen drum 2 shown again and it can be seen that all fields 23 are filled through screen plates 11, wherein each screen plate 11 also forms a further stiffening of the Siebtrommelgerippes 10.
  • the transverse webs 24 are in this case aligned perpendicular to legs S18a, S18b of the U-profile U18 and welded to the legs S18a, S18b and a central web M18.
  • the transverse webs 24 are arranged in the U-profiles U18 where transverse ribs 19 strike the U-profile 18. Accordingly, the legs S18a, S18b of the U-profile U18 in the region of their transverse webs 24 holes 25 for fixing the transverse ribs 19.
  • the transverse ribs 19 are formed as T-profiles T19 and comprise at their two ends 21, 22 each one perpendicular to its central web M19 arranged flange plate 26, 27.
  • each fastening means 20 each comprise a screw 20a, a nut 20b and a locking ring 20c.
  • transverse webs 24 is carried out in each case a continuation of the central webs M19 of the transverse ribs 19 on the longitudinal ribs 18 away, so that a structure is created, which is equivalent to an annular design of the transverse ribs with respect to the load capacity and rigidity.
  • the illustrated T-profiles T19 are designed as T-profiles welded from flat blanks, in which an imaginary bending line BL in a transition region of the central web M19 to the legs S19a, S19b is located.
  • FIG. 7 shows as a detail to the FIG. 3 in an enlarged view of how the longitudinal ribs 18 are connected to the right outer ring 17.
  • each longitudinal rib 18 comprises a respective U-profile U18 final flange head 31, 32, which comprises a flange plate 33 and ribs 34a - 34d, with which or with which this to the legs S18a, S18b and the central web M18 of the U- Profiles U18 is connected.
  • a kink-resistant connection between the longitudinal ribs 18 and the outer rings 16, 17 is created in each case.
  • FIG. 8 is finally one of the screen formed as a coarse screen 13 11 in an enlarged view of FIG. 2 shown.
  • the screen plate 11 which adjoins the left outer ring 16 is screwed to this, the adjoining longitudinal ribs 18 and the adjacent transverse rib 19 and thus stabilizes the longitudinal ribs 18 and the transverse rib 19 in alignment with the outer ring 16 ,
  • first group A of rib rings R19a, R19b and R19c which is formed by the transverse ribs 19, in the longitudinal extension of the Siebtrommelgerippes 10 spaced at equal, first distances a from each other and that a second group B of rib rings R19c and R19d, which is formed by the transverse ribs 19, in the longitudinal extension of the Siebtrommelgerippes 10 each at equal, second distances b is spaced from each other, wherein the two outer rings 16, 17 adjacent rib rings R19a and R19d to these the first or the second distance a, b ,
  • the second distance b is greater than the first distance a, wherein the first distance is about 1.33 m and the second distance is about 1.5 m, so that the total screen length is about 7 m.

Landscapes

  • Combined Means For Separation Of Solids (AREA)

Claims (9)

  1. Ossature de tambour de cribleur (10) comprenant
    - un anneau extérieur gauche (16),
    - un anneau extérieur droit (17),
    - une multiplicité de nervures longitudinales (18),
    - dans laquelle les nervures longitudinales (18) s'étendent de façon ininterrompue de l'anneau extérieur gauche (16) à l'anneau extérieur droit (17), et
    - dans laquelle les nervures longitudinales (18) sont assemblées aux anneaux extérieurs (16, 17) par des moyens d'assemblage (20),
    caractérisée en ce que
    - l'ossature de tambour de cribleur comprend une multiplicité de nervures transversales (19),
    - les nervures longitudinales (18) sont formées par des profilés en U (U18), et
    - chaque nervure transversale (19) relie par ses deux extrémités (21, 22) chaque fois deux nervures longitudinales (18) et est assemblée à celles-ci par des moyens d'assemblage (20).
  2. Ossature de tambour de cribleur selon la revendication 1, caractérisée en ce que les nervures longitudinales (18) formées par des profilés en U (U18) comprennent des âmes transversales (24), dans laquelle les âmes transversales (24) s'étendent perpendiculairement aux ailes (S18a, S18b) des profilés en U (U18) et dans laquelle les ailes (S18a, S18b) des profilés en U (U18) présentent dans la région de leurs âmes transversales (24) des trous (25) pour la fixation des nervures transversales (19).
  3. Ossature de tambour de cribleur selon la revendication 2, caractérisée en ce que les âmes transversales (24) sont soudées aux ailes (S18a, S18b) et aussi à une âme médiane (M18) des profilés en U (U18).
  4. Ossature de tambour de cribleur selon au moins une des revendications précédentes, caractérisée en ce que les nervures transversales (19) sont formées par des profilés en T (T19) et comprennent à leurs deux extrémités (21, 22) une plaque de bride (26, 27) disposée perpendiculairement à leur âme médiane (M19), dans laquelle la plaque de bride (26, 27) est soudée à l'âme médiane (M19) et aux ailes (S19a, S19b) des profilés en T (T19) et dans laquelle la plaque de bride (26, 27) comprend des trous (28) pour la fixation des nervures transversales (19) aux ailes (S18a, S18b) des nervures longitudinales (18).
  5. Ossature de tambour de cribleur selon au moins une des revendications précédentes, caractérisée en ce que les nervures transversales (19) sont formées par des profilés en T cintrés (T19), dans laquelle une ligne de cintrage est située dans la zone de transition d'une âme médiane (M19) aux ailes (S19a, S19b) ou en ce que les nervures transversales (19) sont formées par des profilés en T (T19) soudés à partir de segments plats, dans laquelle une ligne de cintrage imaginaire (BL) est située dans la zone de transition d'une âme médiane (M19) aux ailes (S19a, S19b).
  6. Tambour de cribleur (2) comprenant
    - une ossature de tambour de cribleur (10) selon au moins une des revendications précédentes,
    - une multiplicité de tôles de cribleur (11) formant une enveloppe de tambour,
    - dans lequel les tôles de cribleur (11) sont disposées respectivement dans des champs (23) formés par des nervures longitudinales (18) et des nervures transversales (19) et sont vissées aux nervures longitudinales (18) et aux nervures transversales (19) et
    - dans lequel les tôles de cribleur (11) adjacentes aux anneaux extérieurs (16, 17) sont en plus vissées aux anneaux extérieurs (16, 17).
  7. Tambour de cribleur selon la revendication 6, caractérisé en ce qu'un premier groupe (A) de nervures annulaires (R19a - R19c), qui est formé par une première partie des nervures transversales (19), sont disposées respectivement à de premières distances égales (a) l'une de l'autre selon l'extension longitudinale de l'ossature de tambour de cribleur (10) et en ce qu'un second groupe (B) de nervures annulaires (R19c, R19d), qui est formé par une seconde partie des nervures transversales (19), sont disposées respectivement à de secondes distances égales (b) l'une de l'autre selon l'extension longitudinale de l'ossature de tambour de cribleur (10), dans lequel les nervures annulaires (R19a, R19d) proches des deux anneaux extérieurs (16, 17) présentent par rapport à ceux-ci la première ou la seconde distance (a, b), dans lequel la seconde distance (b) est plus grande que la première distance (a) et dans lequel la seconde distance (b) est au moins 10 % plus grande que la première distance (a).
  8. Tambour de cribleur selon la revendication 6 ou 7, caractérisé en ce qu'une ossature de tambour de cribleur (10) formée des nervures longitudinales (18) réparties uniformément à la périphérie, des nervures transversales (19) ou des nervures annulaires (R19a - R19d) et des anneaux extérieurs (16, 17) comprend entre ses nervures longitudinales (18) et ses nervures transversales (19) exclusivement des champs (11) avec une première face de champ et avec une seconde face de champ, dans lequel la seconde face de champ est plus grande que la première face de champ et dans lequel la seconde face de champ est au moins 10 % plus grande que la première face de champ.
  9. Procédé de montage permettant le montage d'une ossature de tambour de cribleur (10), qui comprend deux anneaux extérieurs (16, 17), des nervures longitudinales (18), des nervures transversales (19) et des moyens d'assemblage (20), dans lequel on oriente d'abord les deux anneaux extérieurs (16, 17) parallèlement l'un à l'autre au moyen de trois nervures longitudinales (18) réparties sur leur périphérie et on les assemble ensuite en une géométrie de base de type cylindrique à l'aide de moyens d'assemblage (20), dans lequel on assemble ensuite les nervures longitudinales restantes (18) aux anneaux extérieurs (16, 17) avec d'autres moyens d'assemblage (20) pour augmenter la rigidité et on pose alors pour augmenter encore la rigidité les nervures transversales (19) entre les nervures longitudinales (18) et on les assemble à celles-ci avec des moyens d'assemblage (20).
EP15181325.0A 2014-08-22 2015-08-18 Ossature de tambour de cribleur, tambour de cribleur et procede de montage d'une ossature de tambour de cribleur Active EP2987564B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014112027.2A DE102014112027A1 (de) 2014-08-22 2014-08-22 Siebtrommelgerippe, Siebtrommel und Verfahren zur Montage eines Siebtrommelgerippes

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Publication Number Publication Date
EP2987564A1 EP2987564A1 (fr) 2016-02-24
EP2987564B1 true EP2987564B1 (fr) 2019-03-06

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EP15181325.0A Active EP2987564B1 (fr) 2014-08-22 2015-08-18 Ossature de tambour de cribleur, tambour de cribleur et procede de montage d'une ossature de tambour de cribleur

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EP (1) EP2987564B1 (fr)
DE (1) DE102014112027A1 (fr)
ES (1) ES2729276T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019102428A1 (de) * 2019-01-31 2020-08-06 Spaleck GmbH & Co. Kommanditgesellschaft Siebmaschine mit in Reihe angeordneten Siebelementen
CN115213201B (zh) * 2022-07-11 2023-07-11 张启志 一种基于混凝土废料的处理装置及方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB247315A (en) * 1924-11-21 1926-02-18 Ralph Hugh Kirkup Rotary screen for screening coal, coke, stone and like material
GB464650A (en) * 1935-11-12 1937-04-22 Thomas Aubrey Pool An improved rotary washing and screening machine
US6016921A (en) * 1997-12-01 2000-01-25 Carter Day International, Inc. Sizing panel for rotating cylindrical separator
IT1315483B1 (it) * 2000-07-26 2003-02-18 Luca Vaccaro Benna vagliatrice - miscelatrice
US20070074998A1 (en) 2005-10-04 2007-04-05 Langner Herbert Gunther Joachi Method and apparatus for screening kaolin
DE202007007926U1 (de) * 2007-06-05 2008-10-09 Komptech Umwelttechnik Deutschland Gmbh Trennvorrichtung für Aufgabegut
JP6209425B2 (ja) * 2012-11-20 2017-10-04 キユーピー株式会社 夾雑物分離装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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Publication number Publication date
ES2729276T3 (es) 2019-10-31
EP2987564A1 (fr) 2016-02-24
DE102014112027A1 (de) 2016-02-25

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