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EP0744223B1 - Vorrichtung zur Sortierung von festen Gegenständen - Google Patents

Vorrichtung zur Sortierung von festen Gegenständen Download PDF

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Publication number
EP0744223B1
EP0744223B1 EP95106834A EP95106834A EP0744223B1 EP 0744223 B1 EP0744223 B1 EP 0744223B1 EP 95106834 A EP95106834 A EP 95106834A EP 95106834 A EP95106834 A EP 95106834A EP 0744223 B1 EP0744223 B1 EP 0744223B1
Authority
EP
European Patent Office
Prior art keywords
drum
sorting
section
machine according
objects
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.)
Expired - Lifetime
Application number
EP95106834A
Other languages
English (en)
French (fr)
Other versions
EP0744223A1 (de
Inventor
Marian Uwa
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.)
Magotteaux International SA
Original Assignee
Magotteaux International SA
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
Priority to PT95106834T priority Critical patent/PT744223E/pt
Application filed by Magotteaux International SA filed Critical Magotteaux International SA
Priority to AT95106834T priority patent/ATE188893T1/de
Priority to EP95106834A priority patent/EP0744223B1/de
Priority to ES95106834T priority patent/ES2141277T3/es
Priority to DE69514646T priority patent/DE69514646T2/de
Priority to PL96322492A priority patent/PL182215B1/pl
Priority to PCT/EP1996/001483 priority patent/WO1996034702A1/fr
Priority to BR9608165A priority patent/BR9608165A/pt
Priority to US08/913,201 priority patent/US5984106A/en
Priority to HU9801650A priority patent/HU219665B/hu
Priority to SK1480-97A priority patent/SK281973B6/sk
Priority to AU55000/96A priority patent/AU5500096A/en
Priority to KR1019970706368A priority patent/KR19980702960A/ko
Priority to TR97/01370T priority patent/TR199701370T1/xx
Priority to JP8532957A priority patent/JPH11506386A/ja
Publication of EP0744223A1 publication Critical patent/EP0744223A1/de
Priority to MXPA/A/1997/007185A priority patent/MXPA97007185A/xx
Application granted granted Critical
Publication of EP0744223B1 publication Critical patent/EP0744223B1/de
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
    • B07B1/18—Drum screens
    • 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
    • B07B1/18—Drum screens
    • B07B1/22—Revolving drums
    • B07B1/24—Revolving drums with fixed or moving interior agitators

Definitions

  • the present invention relates to a machine for sorting of solid objects including a horizontal or slightly inclined rotating drum traversed longitudinally by the objects to be sorted and whose wall is riddled with calibrated sorting holes, in which the drum is made, in the sense longitudinal, of different sections, the caliber of sorting holes increasing from section to section in the direction of progression of the objects to be sorted.
  • the invention aims more particularly a machine for sorting machines mill forming the grinding charge of a mill horizontal, such as those used in cement works or in the mining industry to grind and crush minerals.
  • This sorting operation is not possible frequently, that if it can be done quickly, without causing an increase in the duration of stops normal of the crusher.
  • the machine described in document BE-834187 includes basically two cylinders slightly tilted by compared to the horizontal which define between them a sorting slot whose width increases from side to side the other. These two cylinders rotate in opposite directions, each outward. The grinding machines are dumped into the sorting slot on the width side minimum of this. The machines progress under the effect of rotation and tilting cylinders and fall through the slot in different recovery hopper as soon as the width of the slot exceeds the minimum section of a machine to sort.
  • This machine allows good sorting provided that the grinding machines progress in strings one by one along the cylinders. Under these conditions, the flow of triage is however very weak.
  • sorting holes generally corresponds to that of grinding machines.
  • the drum is preferably inclined upwards in the direction of progression. Gradually as the sorting machines advance through the drum and find a passage larger than their section minimal, they cross this sorting hole to fall in a recovery hopper placed below the drum.
  • This machine suffers from the handicap that machines to sort easily get stuck in the holes of sorting that clogs in this way, which, not only reduces the sorting area, therefore the flow, but, moreover, decreases the sorting accuracy, because the sorting machines are progressing too quickly towards the exit seen that the holes in their size are blocked.
  • the object of the present invention is to provide a advanced sorting machine which does not have the disadvantages mentioned above, in other words, a machine which has good sorting accuracy and which operates at a high sorting rate.
  • the invention proposes a sorting machine of the kind defined in the preamble which is characterized in that each section has a frustoconical wall converging in the direction of progression of objects and in that the sorting holes are shaped like slits widening in the direction of progression through the drum.
  • sorting slots widen in exit direction not only helps to determine the range of dimensions to be sorted but, and above all, avoid blocking objects in the holes of triage and, therefore, an obstruction thereof.
  • the drum is advantageously a modular drum each section of which is a fixed independent unit, removably, to the adjacent section.
  • Each section can include at each of its ends an annular flange to be bolted to the adjacent flange of the neighboring section.
  • At least the two external flanges at the entrance and at the outlet of the drum can be designed as support and rolling surface and be carried by support and rolling rollers.
  • the walls sorting holes are bevelled and diverge from inside to outside in the direction of passage of objects through the sorting holes.
  • These sorting holes are preferably inclined by relation to the direction of progression.
  • guide plates are fixed to the interior of each section, roughly perpendicular to the wall and describing a spiral at an angle which varies with the diameter of the bodies to sort in order to guide the objects in the direction of their progression.
  • the machine also has a hopper of compartmentalized spill spanning the entire length of the drum below it.
  • the sorting drum shown in Figures 1 and 4 and designated as a whole by the reference 10 consists of different, in this case, five sections 10a, 10b, 10c, 10d and 10e, linked together to the others and axially traversed by the machines to sort.
  • the drum is in principle arranged horizontally but, depending on the operating conditions, could be tilted slightly to one side or other.
  • Each section has a frustoconical wall converging in the direction of progression of the machines to sort, these being introduced in section 10a to using a suitable feeding device 12 (see Figure 4) for example a vibrating corridor.
  • Each tapered section may have, on the side upstream and on the downstream side, an annular flange 14 respectively 16 by which the section is bolted to the adjacent section.
  • the different sections can thus be replaced individually or even be interchanged.
  • the drum 10 rests at its ends on rollers 18 and 20 and is rotated around its longitudinal axis by a motor not shown at variable speed. This speed can be adapted to sorting conditions in order to have an influence on the accuracy and sorting throughput.
  • the drum 10 can be located inside a frame 22 (see Figure 4) which can be closed to reduce noise emissions and allow creation of a dust collection system.
  • a spill hopper compartmentalized 24 comprising a number of compartments corresponding to the number of sections.
  • the walls of the different frustoconical sections 10a, 10b, 10c, 10d and 10e are riddled with holes 26 graded grading.
  • the sorting holes were only shown on the Figures 1 and 4 as on the last section 10e.
  • the holes of the same section preferably have all the same shape and same surface.
  • the surface sorting holes 26 increases from section to section the other, this in the direction of progression of the load sorting.
  • the sorting holes 26 have the shape of an elongated slot whose longitudinal axis is inclined relative to the axis A of the drum and with respect to a diametral plane of this one.
  • each sorting hole is, moreover, in the form of a droplet, that is to say as the width of the sorting holes increases in the direction of progression of the load to be sorted.
  • the opposite ends of the sorting holes 26 are, of preferably rounded.
  • the walls defining the holes 26 are not perpendicular to the surface but, as shown in the Figure 3, slightly oblique, diverging from the inside of the drum to the outside. Thanks to that form we are sure that the sorting machines do not stay stuck in holes 26 once the edge inside the holes 26 allows the passage of gear.
  • each section are arranged guide plates 28 (see Figures 1 and 4). These sheets 28 whose height is a function of the size of the machines to be sorted are inclined in a spiral in order to favor and to control the progress of the load during the drum rotation. These sheets 28 therefore have a large influence on the sorting accuracy as well as on the machine performance.
  • the inclination of the sheets of guide 28 preferably corresponds to that of the holes 26 sorting so that these are hidden the least possible by sheets 28.
  • the first section 10a which receives the charge at sort by the feeder 12 is in principle a supply compartment and load distribution.
  • the second section can used to remove gear that has become too small and not usable afterwards, as well as foreign bodies and the residues of the material to be ground brought by the charge. However, it is possible that all of these functions can be accomplished by the first section 10a.
  • the following sections perform the triage proper grinding machines by classes of dimensions and in ascending order from the entrance to the exit. Assuming the caliber of all sorting 26 gradually increases sections 10c, 10d and 10th it is possible to sort four different calibers grinding machines, namely the three sorted grades respectively by sections 10c, 10d and 10e, as well than the large calibers leaving the machine through the exit.
  • the rows of holes can be staggered relative to each other, which increases the number of holes and the sorting area.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Feeding Of Articles To Conveyors (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Crushing And Grinding (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Centrifugal Separators (AREA)

Claims (9)

  1. Vorrichtung zur Sortierung von festen Gegenständen mit einer horizontalen oder leicht geneigten drehbaren Trommel (10) die von den zu sortierenden Gegenständen durchdrungen wird und deren Wand mit kalibrierten Sortieröffnungen (26) versehen ist, wobei die Trommel (10) in Längsrichtung aus einzelnen Abteilungen (10a), (10b), (10c), (10d), (10e) besteht und wobei das Kaliber der Sortieröffnungen (26) in Laufrichtung der zu sortierenden Gegenstände von einer Abteilung zu der anderen zunimmt, dadurch gekennzeichnet, dass jede Abteilung eine kegelstumpfförmige Wand aufweist die in Laufrichtung der Gegenstände konvergiert und dass die Sortieröffnungen (26) in Form von sich in Laufrichtung durch die Trommel erweiternden Spalten ausgebildet sind.
  2. Vorrichtung nach Einspruch 1, gekennzeichnet durch eine modulare Trommel (10) deren einzelne Abteilungen unabhängige Einheiten sind die lösbar an der Nachbarabteilung befestigt sind.
  3. Vorrichtung nach Einspruch 2, dadurch gekennzeichnet, dass jede Abteilung an jedem Ende einen ringförmigen Flansch (14, 16) aufweist um an den entsprechenden Flansch der Nachbarabteilung geschraubt zu werden.
  4. Vorrichtung nach Einspruch 2, dadurch gekennzeichnet, dass wenigstens zwei äussere Flansche am Eingang und am Ausgang der Trommel (10) als Trag- und Laufflächen ausgebildet sind und von Laufrollen (18, 20) getragen werden.
  5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Kanten der Sortieröffnungen (26) abgeschrägt sind und von innen nach aussen in Richtung Durchgang der Gegenstände durch die Sortieröffnungen divergieren.
  6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Sortieröffnungen (26) in bezug zur Laufrichtung geneigt sind.
  7. Vorrichtung nach einem der Ansprüche 1 bis 5, gekennzeichnet durch Leitbleche (28) welche etwa senkrecht zur Wand an der Innenseite jeder Abteilung befestigt sind und welche spiralförmig angeordnet sind um die Gegenstände in Laufrichtung zu leiten.
  8. Vorrichtung nach Einspruch 7, dadurch gekennzeichnet, dass die Neigung der Leitbleche (28) der Neigung der Sortieröffnungen (26) entspricht.
  9. Vorrichtung nach einem der Ansprüche 1 bis 8, gekennzeichnet durch einen Auffangbehälter (24) der sich über die gesamte Länge unter der Trommel (10) erstreckt.
EP95106834A 1995-05-05 1995-05-05 Vorrichtung zur Sortierung von festen Gegenständen Expired - Lifetime EP0744223B1 (de)

Priority Applications (16)

Application Number Priority Date Filing Date Title
AT95106834T ATE188893T1 (de) 1995-05-05 1995-05-05 Vorrichtung zur sortierung von festen gegenständen
EP95106834A EP0744223B1 (de) 1995-05-05 1995-05-05 Vorrichtung zur Sortierung von festen Gegenständen
ES95106834T ES2141277T3 (es) 1995-05-05 1995-05-05 Maquina de clasificacion de objetos solidos.
DE69514646T DE69514646T2 (de) 1995-05-05 1995-05-05 Vorrichtung zur Sortierung von festen Gegenständen
PT95106834T PT744223E (pt) 1995-05-05 1995-05-05 Maquina para a triagem de objectos solidos
HU9801650A HU219665B (hu) 1995-05-05 1996-04-04 Gép szilárd tárgyak osztályozására
BR9608165A BR9608165A (pt) 1995-05-05 1996-04-04 Máquina de triagem de objetos sólidos
US08/913,201 US5984106A (en) 1995-05-05 1996-04-04 Machine for sorting solid objects
PL96322492A PL182215B1 (pl) 1995-05-05 1996-04-04 Urzadzenie do sortowania PL PL
SK1480-97A SK281973B6 (sk) 1995-05-05 1996-04-04 Zariadenie na triedenie pevných predmetov
AU55000/96A AU5500096A (en) 1995-05-05 1996-04-04 Machine for sorting solid objects
KR1019970706368A KR19980702960A (ko) 1995-05-05 1996-04-04 고형물 분류기
TR97/01370T TR199701370T1 (xx) 1995-05-05 1996-04-04 Kat� maddelerin ay�r�m�na y�nelik makina.
JP8532957A JPH11506386A (ja) 1995-05-05 1996-04-04 固体分級機
PCT/EP1996/001483 WO1996034702A1 (fr) 1995-05-05 1996-04-04 Machine de triage d'objets solides
MXPA/A/1997/007185A MXPA97007185A (en) 1995-05-05 1997-09-22 Machine to classify solid objects

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95106834A EP0744223B1 (de) 1995-05-05 1995-05-05 Vorrichtung zur Sortierung von festen Gegenständen

Publications (2)

Publication Number Publication Date
EP0744223A1 EP0744223A1 (de) 1996-11-27
EP0744223B1 true EP0744223B1 (de) 2000-01-19

Family

ID=8219226

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95106834A Expired - Lifetime EP0744223B1 (de) 1995-05-05 1995-05-05 Vorrichtung zur Sortierung von festen Gegenständen

Country Status (15)

Country Link
US (1) US5984106A (de)
EP (1) EP0744223B1 (de)
JP (1) JPH11506386A (de)
KR (1) KR19980702960A (de)
AT (1) ATE188893T1 (de)
AU (1) AU5500096A (de)
BR (1) BR9608165A (de)
DE (1) DE69514646T2 (de)
ES (1) ES2141277T3 (de)
HU (1) HU219665B (de)
PL (1) PL182215B1 (de)
PT (1) PT744223E (de)
SK (1) SK281973B6 (de)
TR (1) TR199701370T1 (de)
WO (1) WO1996034702A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1011536C2 (nl) * 1999-03-11 2000-09-12 Machf Bollegraaf Appingedam B Werkwijze en inrichting voor het scheiden van karton en papier.
US20080257790A1 (en) * 2007-04-20 2008-10-23 M-I L.L.C. Sanitary spout valve
DE102008014301B4 (de) 2008-03-06 2015-08-27 Gerhard Schoch Sortiertrommel, insbesondere für Druckgießteile
KR101008730B1 (ko) * 2009-10-28 2011-01-18 (주)조은이엔티 강제배출장치 및 이를 구비한 트롬멜
CN102527630A (zh) * 2012-01-06 2012-07-04 山西省环境科学研究院 复合式渣土筛分装置
NZ704056A (en) * 2012-08-06 2016-06-24 Tega Ind Ltd Trommel assembly
JP6551916B2 (ja) * 2017-08-07 2019-07-31 株式会社日置精工 回転篩装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US182693A (en) * 1876-09-26 Improvement in drum-screens for minerals
US107994A (en) * 1870-10-04 Improvement in electro-magnetic safe-locks
US772331A (en) * 1902-03-31 1904-10-18 William Henry Baxter Rotary screen.
FR393731A (fr) * 1907-09-07 1908-12-31 Paul Baur Procédé pour rétrécir les fentes dans les grilles des broyeurs servant à travailler l'argile et la glaise
FR430562A (fr) * 1910-10-11 1911-10-19 William Henry Baxter Cribles pour le criblage et le triage de la pierre broyée ou concassée, ou de minerai, ou d'autres matières similaires
US1617688A (en) * 1924-07-15 1927-02-15 O'toole Edward Rotary screen
DE690571C (de) * 1936-05-19 1940-04-29 Rene Genel Siebboden aus Metalltuch oder -gitter
FR2248884B1 (de) * 1973-10-24 1976-10-01 Lafarge Sa
GB2089685A (en) * 1980-12-22 1982-06-30 Associated Perforators & Weave Screening apparatus

Also Published As

Publication number Publication date
SK148097A3 (en) 1998-03-04
HUP9801650A2 (hu) 1999-05-28
BR9608165A (pt) 1999-02-09
SK281973B6 (sk) 2001-09-11
US5984106A (en) 1999-11-16
KR19980702960A (ko) 1998-09-05
WO1996034702A1 (fr) 1996-11-07
DE69514646T2 (de) 2000-06-08
AU5500096A (en) 1996-11-21
EP0744223A1 (de) 1996-11-27
PL322492A1 (en) 1998-02-02
JPH11506386A (ja) 1999-06-08
PT744223E (pt) 2000-05-31
ES2141277T3 (es) 2000-03-16
HUP9801650A3 (en) 2000-03-28
TR199701370T1 (xx) 1998-02-21
ATE188893T1 (de) 2000-02-15
HU219665B (hu) 2001-06-28
DE69514646D1 (de) 2000-02-24
PL182215B1 (pl) 2001-11-30
MX9707185A (es) 1997-11-29

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