EP2409784A2 - Rouleau de criblage pour un dispositif de criblage de matériau pouvant être putréfié - Google Patents

Rouleau de criblage pour un dispositif de criblage de matériau pouvant être putréfié Download PDF

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Publication number
EP2409784A2
EP2409784A2 EP11174557A EP11174557A EP2409784A2 EP 2409784 A2 EP2409784 A2 EP 2409784A2 EP 11174557 A EP11174557 A EP 11174557A EP 11174557 A EP11174557 A EP 11174557A EP 2409784 A2 EP2409784 A2 EP 2409784A2
Authority
EP
European Patent Office
Prior art keywords
screening
screen
fingers
unit
plane
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.)
Granted
Application number
EP11174557A
Other languages
German (de)
English (en)
Other versions
EP2409784B1 (fr
EP2409784A3 (fr
Inventor
Josef Willibad
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.)
J Willibald GmbH
Original Assignee
J Willibald 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 J Willibald GmbH filed Critical J Willibald GmbH
Priority to PL11174557T priority Critical patent/PL2409784T3/pl
Publication of EP2409784A2 publication Critical patent/EP2409784A2/fr
Publication of EP2409784A3 publication Critical patent/EP2409784A3/fr
Application granted granted Critical
Publication of EP2409784B1 publication Critical patent/EP2409784B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B07B1/005—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
    • B07B1/12—Apparatus having only parallel elements
    • B07B1/14—Roller screens
    • B07B1/15—Roller screens using corrugated, grooved or ribbed rollers
    • B07B1/155—Roller screens using corrugated, grooved or ribbed rollers the rollers having a star shaped cross section

Definitions

  • the invention relates to a screen roller for a device for screening rotting material, in particular compost or composted material, with at least one screen unit having at least one screen shaft / screen, with which the screenings is separable into at least two fractions.
  • the sieving apparatus is preferably used in screening machines / separators or shredders.
  • Siebaggregate a variety of devices and methods for separating a variety of mixed materials in the form of star screens.
  • a disadvantage is particularly in the screening of rotting material with a high proportion of green matter, leaves or the like screen material, which also still have a high proportion of moisture, that the screen elements quickly enforce and thus often need to be cleaned. So is out of the DE 103 52 796 A1 one Siebaggregat with rotating screen stars, which are arranged on a plurality of aligned screen shafts, known, in which as possible the adhesion of material in the interstices to be reduced by webs are arranged between successive arms on a hub.
  • a screening device for screening of relatively moist caking tends compost known, with several parallel driven star waves on which rotatably and axially juxtaposed sieve stars with restricted elastic fingers and rotatably between the screen stars with the waves conically arranged pulleys for loosening, mixing and crushing are provided of the screenings.
  • Star screens equipped with cleaning devices are made of DE 100 60 721 A1 , of the DE 10 2005 044 552 A1 and the DE 20 2004 007 984 U1 known.
  • the invention has for its object to provide a device for screening or device elements selbiger, in which or with which, especially when sifting verrottungsstoryem material, in which it quickly in spaces of the screen unit for sticking or adhering material and thereby clogging of the screen elements or lumping of the material may occur, such clogging of the screen elements is avoided or at least reduced;
  • a quick and easy cleaning, combined with easy care and maintenance are possible;
  • the invention proposes a screen roller for a screening unit of a device for screening of rotting material with the features of claim 1.
  • the subordinate claims 2 to 15 disclose developments, embodiments and uses of the invention.
  • the new screen roller for a screening unit of a device for screening rotting material, in particular compost or composting processed material, according to the invention has elastic, resilient fingers which are arranged star-shaped and detachable, and which, preferably by means of a frictional connection, on or in the peripheral surfaces the shaft of the screen roller can be fastened.
  • the fingers are in particular designed as resilient elements.
  • the fingers are preferably narrower at their free ends.
  • the fingers are angled counter to the direction of the screen roller, preferably two or more times, or polygonzugartig formed. They are preferably made of steel.
  • the elastic fingers fixed on or in the circumferential surface of the screen roller are arranged individually or grouped, as finger strips, at a distance detachable from one another.
  • the finger strips are preferably divided into finger strip segments.
  • the individual screen rollers of a new screen unit are provided as hollow shafts of different design and divided in cross-section.
  • the hollow shaft is preferably formed octagonal and divided and whose lateral surface consists of several releasably interconnected segments, so that the hollow shaft for cleaning and maintenance work no longer has to be removed as a whole but only the corresponding segments are replaced or cleaned. This means a further enormous saving in working hours and for one user of one Shredder with screening device or a screening machine / Separators a simplified and rapid replacement of the affected parts.
  • the new screen roll according to the invention is arranged at least twice as rotating screen rollers in a device for screening rotting material, especially compost or composted material, to form at least one screen plane in the at least one screen unit of the device, including the screen rollers with respect to their axes of rotation are arranged at a distance from each other lying parallel to each other and by the circumference of each star-shaped abragend arranged elastic elements / fingers meshing move past each other.
  • At least two screening units are advantageously provided in a device for screening, wherein a second screening unit, at least partially, is arranged below a first screening unit at a distance and with mutually essentially parallel directed sieve planes.
  • At least one of the sieve units consists of sections.
  • the sections of such a sieve unit are preferably arranged successively in the conveying direction.
  • the sections of a first screening unit and the sections of the other, second screening unit are each arranged vertically offset from one another in the conveying direction, wherein the sections of one screen unit are provided substantially at a parallel distance from the sections of the other screen unit.
  • the axial distance of adjacent, arranged in a sieve level screen rollers is variably adjustable.
  • the vertical distance between the respective screen plane and the respective associated part plane is substantially parallel or that the part plane has a greater pitch than the screen plane.
  • FIG. 1 a new mobile device 1 is shown in side view in a schematic view, wherein the housing or panel is partially cut or removed, so that a clear view into the interior is possible.
  • this device 1 for screening novel screen rollers 8 are used, which will be described in more detail below.
  • these novel screen rollers 8 are arranged in screening units 2 and 3 for forming one screen plane 21, 22 each.
  • two screening units 2, 3 are provided, however, depending on the requirements and design of the screening apparatus 1, more than two screening units may also be used.
  • the new sifting device 1 is also designed so that it can be used as an integral part of a shredder for processing rotting material for composting or for processing partly rotted compost.
  • the individual screening units 2 and 3 of the sieving apparatus 1 are arranged substantially parallel to each other at a distance from each other, wherein in this embodiment, the screening units 2 and 3 in each case in the conveying direction R successively - here two - sections 4, 5 and 6, 7, the are substantially vertically offset from each other and can be designed differently long.
  • the individual screening units 2 and 3 have several screen rolls 8 arranged parallel to one another.
  • the first section 4 of the first screening unit 2 has a first screening plane 21. In the conveying direction F, this first section 4 follows the second section 5 of this first screening unit 2. This second section 5, ie its part plane 21a, is vertically offset downwards to the first screening plane 21 arranged.
  • the elements of the second screen unit 3 are also constructed in this way, the first section 6 of the second screen unit 3 forms a second screen plane 22.
  • the second section 7 of this second screen unit 3 forms a part plane 22a, which also lies vertically offset below the screen plane 22. Both partial planes 21a and 22a lie with parallel vertical offset to the respective main plane, the first screen plane 21 and the second screen plane 22, respectively.
  • the screen rollers 8 are corresponding FIG. 2 and FIG. 3 according to the invention as octagonal and divided hollow shafts 9 formed, which are mounted at their ends 10, 11 in the screening units 2 and 3 respectively.
  • elastic fingers 13 are releasably secured to the individual surfaces, in the present embodiment by a screw 14 - see FIG. 3 -, In which different releasable non-positive connections can be used. By this detachable connection damaged fingers 13 can be replaced quickly without replacing the entire screen roller 8.
  • the fingers 13 are arranged on the surfaces 12 of the octagonal hollow shaft 9 with a distance 15 to each other, so that the fingers 13 of the mutually parallel screen rollers 8 pass each other.
  • the fingers 13 are formed as resilient elements which are narrower at their free ends 16. To increase the spring properties, the fingers 13 are corresponding FIG. 3 formed angled against the direction R. Due to the increased elasticity of the fingers 13, the screening process is substantially improved.
  • the free ends of the fingers 13 generate upon rotation of the screen roller 8 in the direction of rotation R a circle 8a, which varies when loaded fingers 13 by discontinued material selectively in the radius and thus the advantages of a roller or star screen advantages of a flat screen are superimposed.
  • FIG. 3 In the execution after FIG. 3 the fingers are angled against the direction of rotation R once and in a further embodiment after FIG. 3a angled several times.
  • FIG. 3a In the FIG. 3a is a fourfold Angulation of the fingers 13 are shown so that finger portion 13a, 13b, 13c, 13d and 13e are formed. The number of bends depends on the type of material to be screened and / or the material of the fingers.
  • the octagonal hollow shaft 9 is formed divided and consists of a plurality of coupled segments 17, see Fig. 2 ,
  • the segments 17 are detachably connected to each other, in the present embodiment by screw 18, so that when damaged or for cleaning both individual segments 17 or more segments 17 of the hollow shaft 9 can be replaced, as well as individual or groups of fingers 13 of a segment 17, without replacing the entire screen roller 8.
  • FIGS. 4a and 4b Further details regarding the fingers 13 are in the FIGS. 4a and 4b shown.
  • the respectively arranged on one of the surfaces 12 of the octagonal hollow shaft 9 releasably arranged fingers 13 could be arranged in groups.
  • FIG. 4a as a continuous finger bar 20, which has a plurality of apertures 19 for passing screws 14 and for attachment to the shafts of the screws 14.
  • FIG. 4b a further embodiment of the finger bar 20 is shown.
  • the entire finger bar 20 is off individual segments 20a, 20b and 20c formed.
  • the size, that is, the length of these finger strip segments 20a, 20b and 20c will depend on the particular design of the insert of the device in question for the sifting of rotting material. For larger machines, ie those with a large wire width, a multiple subdivision is made, while in screens with a smaller wire width, the number of segments of a finger bar 20 will be smaller.
  • the subdivision of the finger strip 20 into segments has the advantage that fingers 13 of individual segments 20a, 20b ...
  • the 20n can be designed to be of different widths and lengths so that a further influence on the sieving properties of a sieving device can be taken .
  • the machine in question a device for screening, a shredder with sieve
  • the pure operating costs / consumption costs can be influenced more variably. This is particularly beneficial for service providers in the sector concerned.
  • the position of the respective part plane 21a or 22a to its main plane, the first screen plane 21 and the second screen plane 22 may not be parallel.
  • the effectiveness of the screening can be influenced, ie, according to one embodiment, the rise of the first screening plane 21 can be greater than the increase of the subplane 21a or vice versa, so that, for example, heavy material rolls at the beginning of screening along the screening plane, ie Movement is and therefore less prone to caking.
  • the fingers themselves must be very stable. In order for the desired elasticity to be given, such fingers will more likely be made with multiple bends. If the material to be screened primarily contains or contains, for example, dry wood, branches, bushes, etc., the fingers 13 do not need to be so strongly dimensioned, and consequently one or two angulation of the fingers is necessary for the production of the required elasticity. On the other hand, if the material used to make the fingers is inherently very elastic, few bends will suffice, but if the material used to make the fingers is inherently very stiff or brittle, a large number of bends will be provided. Through these embodiments of the invention, the manufacturer of such screen rollers can react very variable on material prices in the market, so that its production costs can be made very variable.

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  • Combined Means For Separation Of Solids (AREA)
EP11174557.6A 2010-07-19 2011-07-19 Rouleau de criblage pour un dispositif de criblage de matériau pouvant être putréfié Active EP2409784B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11174557T PL2409784T3 (pl) 2010-07-19 2011-07-19 Walec przesiewowy dla urządzenia do przesiewania materiału podatnego na gnicie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010027665.0A DE102010027665B4 (de) 2010-07-19 2010-07-19 Siebwalzen für eine Siebeinheit zum Sieben von verrottungsfähigem Material

Publications (3)

Publication Number Publication Date
EP2409784A2 true EP2409784A2 (fr) 2012-01-25
EP2409784A3 EP2409784A3 (fr) 2013-03-06
EP2409784B1 EP2409784B1 (fr) 2016-09-28

Family

ID=44774239

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11174557.6A Active EP2409784B1 (fr) 2010-07-19 2011-07-19 Rouleau de criblage pour un dispositif de criblage de matériau pouvant être putréfié

Country Status (3)

Country Link
EP (1) EP2409784B1 (fr)
DE (1) DE102010027665B4 (fr)
PL (1) PL2409784T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2998033A1 (fr) * 2014-09-22 2016-03-23 Bollegraaf Patents and Brands B.V. Arbre pour rotor de convoyeur à crible en étoile rotatif et rotor de convoyeur à crible en étoile rotatif comprenant de tels arbres
CN111871748A (zh) * 2020-07-02 2020-11-03 山东绿水新环境科技有限公司 一种垃圾自动分类输送装置的筛料辊

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4415815A1 (de) 1994-05-05 1995-11-09 Gerhard Dipl Ing Mock Siebvorrichtung
DE10060721A1 (de) 2000-12-07 2002-06-13 Hermann Backers Maschb Reinigungsvorrichtung für ein Sternsieb oder Scheibensieb
DE202004007984U1 (de) 2003-11-28 2005-04-21 Doppstadt Calbe Gmbh Siebmaschine, insbesondere Sternsiebmaschine
DE10352796A1 (de) 2003-11-12 2005-06-23 Backers Maschinenbau Gmbh Siebaggregat und Siebstern
DE102005044552A1 (de) 2005-09-17 2007-03-22 Backers Maschinenbau Gmbh Sternsieb mit Reinigungsvorrichtung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1809145B1 (de) * 1968-11-15 1970-02-05 Buetfering Maschfab Geb Walze,insbesondere fuer Roste zum Reinigen von Feldfruechten
BE770363A (nl) * 1971-07-23 1971-12-01 Clayson Nv Harktanden voor oogstmachines, (uitv. m. seynaeve),
US4653648A (en) * 1985-04-17 1987-03-31 Beloit Corporation Disk screen or like shaft assemblies and method of making the same
DE8906721U1 (de) * 1989-06-01 1989-07-13 TURBA Torfindustrie GmbH, 2862 Worpswede Einrichtung zum Sieben von schwer siebfähigen Schüttgütern
US5450966A (en) * 1993-08-26 1995-09-19 Bulk Handling Systems, Inc. Multi-stage disc screen for classifying material by size
DE29516309U1 (de) * 1995-10-14 1997-02-06 Franz Grimme Landmaschinenfabrik GmbH & Co KG, 49401 Damme Sternrad für Sternradwalzen und Trennvorrichtung mit Sternradwalze
GB2379853B (en) * 2001-09-19 2005-03-16 Pearson Richard Ltd Apparatus for breaking up clods
DE102006017138B4 (de) * 2006-04-12 2008-04-30 Mahrwald, Jürgen, Dr. agr. Vorrichtung zum Klassieren eines Stoffgemisches
DE102008023567A1 (de) * 2008-05-05 2009-11-12 J. Willibald Gmbh Siebvorrichtung sowie Verfahren zum Sieben von verrottungsfähigem Material
DE202008016913U1 (de) * 2008-12-22 2010-05-20 Doppstadt Familienholding Gmbh Siebstern, insbesondere für eine Sternsiebmaschine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4415815A1 (de) 1994-05-05 1995-11-09 Gerhard Dipl Ing Mock Siebvorrichtung
DE10060721A1 (de) 2000-12-07 2002-06-13 Hermann Backers Maschb Reinigungsvorrichtung für ein Sternsieb oder Scheibensieb
DE10352796A1 (de) 2003-11-12 2005-06-23 Backers Maschinenbau Gmbh Siebaggregat und Siebstern
DE202004007984U1 (de) 2003-11-28 2005-04-21 Doppstadt Calbe Gmbh Siebmaschine, insbesondere Sternsiebmaschine
DE102005044552A1 (de) 2005-09-17 2007-03-22 Backers Maschinenbau Gmbh Sternsieb mit Reinigungsvorrichtung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2998033A1 (fr) * 2014-09-22 2016-03-23 Bollegraaf Patents and Brands B.V. Arbre pour rotor de convoyeur à crible en étoile rotatif et rotor de convoyeur à crible en étoile rotatif comprenant de tels arbres
US9636711B2 (en) 2014-09-22 2017-05-02 Bollegraaf Patents And Brands B.V. Shaft for a rotary star screen conveyor rotor and rotary star screen conveyor including such shafts
CN111871748A (zh) * 2020-07-02 2020-11-03 山东绿水新环境科技有限公司 一种垃圾自动分类输送装置的筛料辊

Also Published As

Publication number Publication date
DE102010027665B4 (de) 2014-08-07
DE102010027665A1 (de) 2012-01-19
PL2409784T3 (pl) 2017-04-28
EP2409784B1 (fr) 2016-09-28
EP2409784A3 (fr) 2013-03-06

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