EP0704254A1 - Disk screen - Google Patents

Disk screen Download PDF

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Publication number
EP0704254A1
EP0704254A1 EP95113434A EP95113434A EP0704254A1 EP 0704254 A1 EP0704254 A1 EP 0704254A1 EP 95113434 A EP95113434 A EP 95113434A EP 95113434 A EP95113434 A EP 95113434A EP 0704254 A1 EP0704254 A1 EP 0704254A1
Authority
EP
European Patent Office
Prior art keywords
projections
disks
discs
shafts
sieve according
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
EP95113434A
Other languages
German (de)
French (fr)
Other versions
EP0704254B1 (en
Inventor
Ernst Josef Kronenberger
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Individual
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Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6526858&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0704254(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP0704254A1 publication Critical patent/EP0704254A1/en
Application granted granted Critical
Publication of EP0704254B1 publication Critical patent/EP0704254B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B07B1/12—Apparatus having only parallel elements
    • B07B1/14—Roller screens
    • B07B1/15—Roller screens using corrugated, grooved or ribbed rollers

Definitions

  • the invention relates to a sieve made of shafts arranged on shafts, in particular of polygonal circumference, which are offset from shaft to shaft and mesh with one another and are driven in the same direction by a drive engaging the shafts, the passage width of the sieve being determined by the distance between the interlocking ones Discs is determined (disc sieve).
  • the invention has for its object to prevent such a screen of sticky screenings, such as moist earth materials, from being added.
  • this purpose is achieved in that the disks have lateral projections projecting into the distance mentioned.
  • the projections which preferably substantially completely bridge the distance, scrape off the material adhering to the other pane.
  • the effect extends beyond the width of the projections, which preferably consist only of relatively narrow bolts or knobs, in that material lying to the side of the projections is also blasted off.
  • a network of paths of the relative movement of the projections over the other disk can be set up, which on the one hand is sufficiently tight to keep the disk surface free and on the other hand does not lead to the projections of the different disks colliding.
  • the projections are expediently arranged near the circumference of the disks, ideally at corners.
  • the disc screen has shafts 2 which are mounted in a rectangular frame 1 and which are occupied by 10-sided discs 3.
  • the shafts 2 are coupled from one to the other by belt drives 4.
  • a rotary drive 5 acts on a central shaft 2.
  • the disks 3 essentially extend to the preceding and the next shaft 3.
  • the elongated sieve openings extend between two shafts 2 in the transport direction and between two disks 3 in the transverse direction.
  • bolts 6 projecting to the two sides are attached. They each reach up to a distance of about 1 to 2 mm from the neighboring pane.
  • the disks 3 are driven in a counterclockwise direction and move the material to be screened from right to left in the direction of the arrow shown in FIGS. 3 to 5.
  • the next bolt is labeled 6b and its path 7b.
  • Ten such webs, generally designated 7, run along each side of each disk 3. One half of these tracks 7 is pulled by the bolts 6 of the previous disc, the other half by the bolts 6 of the next disc.
  • the network of webs 7 is denser inside the pane than outside. Additional bolts attached further to the inside of the disks 3 would add tracks that remain in the outer area of the disks.
  • the bolts 6 free the disks 3 from any adherent material. They also have a pronounced mixing effect and loosen up the material. They do not disturb the passage through the sieve.
  • the mixing effect can be used to mix in other materials, for example to lime a moist soil or to introduce bacterial strains for decontamination.
  • the new sieve can also be used advantageously for non-caking material.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Magnetic Record Carriers (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

The screening device consists of a number of intermeshing polygonal discs (3). They are mounted on shafts (2) coupled together and driven in the same direction via belt drives (4). The discs are mounted in a staggered arrangement so that they can intermesh without touching and screen apertures are formed longitudinally between shafts and transversely between discs. The space between intermeshing discs is bridged by projections (6) near the periphery of the discs, pref. at the corners. Additional projections may be provided further in on the discs.

Description

Die Erfindung betrifft ein Sieb aus auf Wellen angeordneten Scheiben, insbesondere von vieleckigem Umfang, die von Welle zu Welle versetzt sind und ineinandergreifen und durch einen an den Wellen angreifenden Antrieb im gleichen Drehsinn angetrieben sind, wobei die Durchgangsweite des Siebes durch den Abstand zwischen den ineinandergreifenden Scheiben bestimmt wird (Scheibensieb).The invention relates to a sieve made of shafts arranged on shafts, in particular of polygonal circumference, which are offset from shaft to shaft and mesh with one another and are driven in the same direction by a drive engaging the shafts, the passage width of the sieve being determined by the distance between the interlocking ones Discs is determined (disc sieve).

Der Erfindung liegt die Aufgabe zugrunde, zu verhindern, daß ein solches Sieb von klebrigem Siebgut, wie feuchten Erdmaterialien, zugesetzt wird.The invention has for its object to prevent such a screen of sticky screenings, such as moist earth materials, from being added.

Gemäß der Erfindung wird dieser Zweck dadurch erfüllt, daß die Scheiben in den genannten Abstand ragende seitliche Vorsprünge aufweisen.According to the invention, this purpose is achieved in that the disks have lateral projections projecting into the distance mentioned.

Die Vorsprünge, die vorzugsweise den Abstand im wesentlichen vollständig überbrücken, kratzen das jeweils an der anderen Scheibe haftende Material ab. Die Wirkung geht dabei über die Breite der, vorzugsweise nur aus verhältnismäßig schmalen Bolzen oder Noppen bestehenden, Vorsprünge hinaus, indem auch seitlich der Vorsprünge liegendes Material abgesprengt wird.
Es läßt sich ein Netz von Bahnen der Relativbewegung der Vorsprünge über die jeweils andere Scheibe einrichten, das einerseits genügend dicht ist, die Scheibenfläche freizuhalten, und andererseits nicht zum Zusammenstoß der Vorsprünge der verschiedenen Scheiben führt.The projections, which preferably substantially completely bridge the distance, scrape off the material adhering to the other pane. The effect extends beyond the width of the projections, which preferably consist only of relatively narrow bolts or knobs, in that material lying to the side of the projections is also blasted off.
A network of paths of the relative movement of the projections over the other disk can be set up, which on the one hand is sufficiently tight to keep the disk surface free and on the other hand does not lead to the projections of the different disks colliding.

Zweckmäßigerweise sind die Vorsprünge nahe dem Umfang der Scheiben angeordnet, am besten an Ecken.The projections are expediently arranged near the circumference of the disks, ideally at corners.

Sie haben dann die längste Bahn über die jeweils andere Scheibe, und die Bahn reicht am weitesten in die andere Scheibe hinein und bis nahe an deren Welle, die ebenfalls frei gehalten wird. Zudem sind die Vorsprünge an den an sich stark verschleißenden Ecken eine verschleißmindernde Verstärkung.You then have the longest path over the other disc, and the path extends farthest into the other disc and up to close to its shaft, which is also kept clear. In addition, the protrusions on the corners that are subject to high wear and tear are a wear-reducing reinforcement.

Es können aber bei Bedarf zusätzliche Vorsprünge weiter innen an den Scheiben angeordnet sein, wenn sonst das Netz der Bahnen im äußeren Bereich der Scheiben nicht dicht genug wird.However, if necessary, additional projections can be arranged further inside on the panes, if otherwise the network of tracks in the outer region of the panes is not dense enough.

Die Zeichnungen geben ein Ausführungsbeispiel der Erfindung wieder.

  • Fig. 1 zeigt eine Draufsicht auf ein Scheibensieb,
  • Fig. 2 zeigt das Scheibensieb, nicht ganz maßstäblich, in Seitenansicht und
  • Fig. 3 bis 5 zeigen in größerem Maßstab eine Scheibenfolge des Scheibensiebes mit eingezeichneten Bahnen.
The drawings show an embodiment of the invention.
  • 1 shows a plan view of a disc screen,
  • Fig. 2 shows the disc screen, not to scale, in side view and
  • Fig. 3 to 5 show on a larger scale a disc sequence of the disc screen with drawn tracks.

Das Scheibensieb weist in an sich bekannter Bauart in einem rechteckigen Rahmen 1 gelagerte Wellen 2 auf, die mit 10-eckigen Scheiben 3 besetzt sind. Die Wellen 2 sind von einer zur anderen durch Riementriebe 4 gekoppelt. An einer mittleren Welle 2 greift ein Drehantrieb 5 an.
Die Scheiben 3 reichen in versetzter Anordnung im wesentlichen jeweils zur vorangehenden und zur nächsten Welle 3. Die, länglichen, Sieböffnungen erstrecken sich in der Transportrichtung zwischen zwei Wellen 2 und in der Querrichtung zwischen zwei Scheiben 3.In a design known per se, the disc screen has shafts 2 which are mounted in a rectangular frame 1 and which are occupied by 10-sided discs 3. The shafts 2 are coupled from one to the other by belt drives 4. A rotary drive 5 acts on a central shaft 2.
In a staggered arrangement, the disks 3 essentially extend to the preceding and the next shaft 3. The elongated sieve openings extend between two shafts 2 in the transport direction and between two disks 3 in the transverse direction.

An jeder zweiten Ecke der 10-eckigen Scheiben sind nach den beiden Seiten ragende Bolzen 6 angebracht. Sie reichen jeweils bis auf etwa 1 bis 2 mm Abstand an die benachbarte Scheibe heran.At every second corner of the 10-sided panes, bolts 6 projecting to the two sides are attached. They each reach up to a distance of about 1 to 2 mm from the neighboring pane.

Die Scheiben 3 sind im Gegenuhrzeigersinn angetrieben und bewegen das Siebgut in der in Fig. 3 bis 5 eingezeichneten Pfeilrichtung von rechts nach links.The disks 3 are driven in a counterclockwise direction and move the material to be screened from right to left in the direction of the arrow shown in FIGS. 3 to 5.

Bei der in Fig. 3 festgehaltenen Stellung gelangt der Bolzen 6a in den Zwischenraum zwischen den benachbarten Scheiben 3. Er streicht an der linken Scheibe 3 auf der Bahn 7a vorbei.

  • Fig. 4 zeigt ihn in einer mittleren Stellung.
  • Fig. 5 zeigt ihn beim Austritt aus dem Zwischenraum.
In the position shown in FIG. 3, the bolt 6a reaches the space between the adjacent disks 3. It passes the left disk 3 on the track 7a.
  • Fig. 4 shows it in a middle position.
  • Fig. 5 shows it exiting the space.

Der nächste Bolzen ist mit 6b, seine Bahn mit 7b bezeichnet.The next bolt is labeled 6b and its path 7b.

An jeder Seite jeder Scheibe 3 ziehen sich zehn, allgemein mit 7 bezeichnete, solche Bahnen entlang. Die eine Hälfte dieser Bahnen 7 wird von den Bolzen 6 der vorhergehenden Scheibe gezogen, die andere Hälfte von den Bolzen 6 der nächsten Scheibe.Ten such webs, generally designated 7, run along each side of each disk 3. One half of these tracks 7 is pulled by the bolts 6 of the previous disc, the other half by the bolts 6 of the next disc.

Das Netz der Bahnen 7 ist im Inneren der Scheibe dichter als außen. Zusätzliche weiter innen an den Scheiben 3 angebrachte Bolzen würden Bahnen hinzubringen, die im äußeren Bereich der Scheiben bleiben.The network of webs 7 is denser inside the pane than outside. Additional bolts attached further to the inside of the disks 3 would add tracks that remain in the outer area of the disks.

Die Bolzen 6 befreien die Scheiben 3 von etwa anhaftendem Material. Sie haben außerdem eine ausgeprägte Mischwirkung und lockern das Material auf. Den Durchgang durch das Sieb stören sie nicht.The bolts 6 free the disks 3 from any adherent material. They also have a pronounced mixing effect and loosen up the material. They do not disturb the passage through the sieve.

Die Mischwirkung kann dazu benutzt werden, andere Materialien einzumischen, beispielsweise einen feuchten Boden aufzukalken oder Bakterienstämme zur Dekontaminierung einzubringen.
Als Mischwerkzeug ist das neue Sieb auch für nicht anbackendes Material vorteilhaft einsetzbar.The mixing effect can be used to mix in other materials, for example to lime a moist soil or to introduce bacterial strains for decontamination.
As a mixing tool, the new sieve can also be used advantageously for non-caking material.

Claims (6)

Sieb aus auf Wellen (2) angeordneten Scheiben (3), insbesondere von vieleckigem Umfang, die von Welle (2) zu Welle (2) versetzt sind und ineinandergreifen und durch einen an den Wellen (2) angreifenden Antrieb (4,5) im gleichen Drehsinn angetrieben sind, wobei die Durchgangsweite des Siebes durch den Abstand zwischen den ineinandergreifenden Scheiben (3) bestimmt wird (Scheibensieb),
dadurch gekennzeichnet,
daß die Scheiben (3) in den genannten Abstand ragende seitliche Vorsprünge (6) aufweisen.Sieve of shafts (2) arranged disks (3), in particular of polygonal circumference, which are offset from shaft (2) to shaft (2) and mesh with one another and by means of a drive (4, 5) engaging the shafts (2) are driven in the same direction of rotation, the passage width of the screen being determined by the distance between the interlocking disks (3) (disk screen),
characterized,
that the disks (3) have lateral projections (6) projecting into said distance. Sieb nach Anspruch 1,
dadurch gekennzeichnet,
daß die Vorsprünge (6) den Abstand im wesentlichen vollständig überbrücken.Sieve according to claim 1,
characterized,
that the projections (6) substantially completely bridge the distance. Sieb nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß die Vorsprünge Bolzen (6) oder Noppen sind.Sieve according to claim 1 or 2,
characterized,
that the projections are bolts (6) or knobs. Sieb nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
daß die Vorsprünge (6) nahe dem Umfang der Scheiben (3) angeordnet sind.Sieve according to one of claims 1 to 3,
characterized,
that the projections (6) are arranged near the circumference of the disks (3). Sieb nach Anspruch 4,
dadurch gekennzeichnet,
daß die Vorsprünge (6) an Ecken der Scheiben (3) angeordnet sind.Sieve according to claim 4,
characterized,
that the projections (6) are arranged at corners of the disks (3). Sieb nach Anspruch oder 5,
dadurch gekennzeichnet,
daß zusätzliche Vorsprünge weiter innen an den Scheiben angeordnet sind.Sieve according to claim or 5,
characterized,
that additional projections are arranged further inside on the disks.
EP95113434A 1994-08-30 1995-08-26 Disk screen Expired - Lifetime EP0704254B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4430682 1994-08-30
DE4430682A DE4430682A1 (en) 1994-08-30 1994-08-30 Disc sieve

Publications (2)

Publication Number Publication Date
EP0704254A1 true EP0704254A1 (en) 1996-04-03
EP0704254B1 EP0704254B1 (en) 2002-04-03

Family

ID=6526858

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95113434A Expired - Lifetime EP0704254B1 (en) 1994-08-30 1995-08-26 Disk screen

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EP (1) EP0704254B1 (en)
AT (1) ATE215407T1 (en)
DE (2) DE4430682A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19650138C2 (en) * 1996-12-04 1999-12-09 Ernst Josef Kronenberger Disc sieve
DE19707845C2 (en) * 1997-02-27 1999-03-11 Ernst Josef Dipl Kronenberger Disc for a disc sieve or a disc separator
DE10247844C1 (en) * 2002-10-14 2003-10-30 Neuenhauser Maschb Gmbh Cleaning device for sieve uses cleaning fingers below sieve base fitting between sieve elements attached to parallel sieve shafts
DE20309857U1 (en) 2003-06-25 2004-11-04 Doppstadt Calbe Gmbh trommel
DE102009014548A1 (en) 2009-03-24 2010-09-30 Martin Hirschauer Device and method for separating material, in particular green material, and use thereof
EP2329891B1 (en) * 2009-12-05 2013-01-09 Martin Hirschauer Device and method for separating material, particularly green waste, and its application
CN102950104B (en) * 2011-08-31 2015-11-11 北京昊海天际科技有限公司 Be applicable to the disc screen of domestic waste and changing food waste
DE202012006328U1 (en) 2012-06-29 2012-07-09 Martin Hirschauer Device for program-controlled fractionation of recycled material
DE102012012979A1 (en) 2012-06-29 2014-01-02 Martin Hirschauer Method and device for program-controlled fractionation of recycled material

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1240250A (en) * 1958-12-09 1960-09-02 Elfa App Vertriebs Gmbh Roller shaker grid for washing soil products, especially sugar beets
DE1178285B (en) * 1960-11-23 1964-09-17 Buetfering Maschfab Geb Roller grate for cleaning field crops, especially sugar beets
GB2072049A (en) * 1980-03-25 1981-09-30 Vnii Mek Sel Khozy Rotary separator
DE9307096U1 (en) * 1993-05-10 1993-09-23 BG Recyclingmaschinen GmbH, 36341 Lauterbach SCREENING SYSTEM
EP0635313A1 (en) * 1993-06-22 1995-01-25 Kabushiki Kaisha Miike Tekkosho Screening machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1240250A (en) * 1958-12-09 1960-09-02 Elfa App Vertriebs Gmbh Roller shaker grid for washing soil products, especially sugar beets
DE1178285B (en) * 1960-11-23 1964-09-17 Buetfering Maschfab Geb Roller grate for cleaning field crops, especially sugar beets
GB2072049A (en) * 1980-03-25 1981-09-30 Vnii Mek Sel Khozy Rotary separator
DE9307096U1 (en) * 1993-05-10 1993-09-23 BG Recyclingmaschinen GmbH, 36341 Lauterbach SCREENING SYSTEM
EP0635313A1 (en) * 1993-06-22 1995-01-25 Kabushiki Kaisha Miike Tekkosho Screening machine

Also Published As

Publication number Publication date
DE59510138D1 (en) 2002-05-08
DE4430682A1 (en) 1996-03-07
EP0704254B1 (en) 2002-04-03
ATE215407T1 (en) 2002-04-15

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