EP0396529B1 - Vibrationstrennvorrichtung - Google Patents

Vibrationstrennvorrichtung Download PDF

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Publication number
EP0396529B1
EP0396529B1 EP19900890130 EP90890130A EP0396529B1 EP 0396529 B1 EP0396529 B1 EP 0396529B1 EP 19900890130 EP19900890130 EP 19900890130 EP 90890130 A EP90890130 A EP 90890130A EP 0396529 B1 EP0396529 B1 EP 0396529B1
Authority
EP
European Patent Office
Prior art keywords
row
bases
oscillating
separating device
floors
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
EP19900890130
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0396529A1 (de
Inventor
Rudolf Durstberger
Gerhard Hofer
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.)
IFE Industrie-Einrichtungen Fertigungs-Aktiengesellschaft
IFE GmbH
Original Assignee
IFE Industrie-Einrichtungen Fertigungs-Aktiengesellschaft
IFE 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 IFE Industrie-Einrichtungen Fertigungs-Aktiengesellschaft, IFE GmbH filed Critical IFE Industrie-Einrichtungen Fertigungs-Aktiengesellschaft
Publication of EP0396529A1 publication Critical patent/EP0396529A1/de
Application granted granted Critical
Publication of EP0396529B1 publication Critical patent/EP0396529B1/de
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
    • B07B15/00—Combinations of apparatus for separating solids from solids by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
    • 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
    • B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/003—Separation of articles by differences in their geometrical form or by difference in their physical properties, e.g. elasticity, compressibility, hardness
    • 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
    • B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/10—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices using momentum effects
    • B07B13/11—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices using momentum effects involving travel of particles over surfaces which separate by centrifugal force or by relative friction between particles and such surfaces, e.g. helical sorters
    • B07B13/113—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices using momentum effects involving travel of particles over surfaces which separate by centrifugal force or by relative friction between particles and such surfaces, e.g. helical sorters shaking tables

Definitions

  • the invention relates to a vibration isolating device according to the preamble of claim 1
  • Such separation devices have long been known and are used in particular for separating bulk material mixtures, see in particular CH-A-314 861.
  • DE-C 28 54 177 describes a device for separating rejects contained in a pile.
  • the pile is applied to an essentially horizontal plate, which is arranged in a housing.
  • the housing is vibrated in a direction that is oblique with respect to the vertical, as a result of which the heap reaches the free edge of the feed plate lying inside the housing and falls off the plate. It encounters a sloping conveying surface that protrudes under the edge and that extends in the conveying direction - i.e. the direction of the vibrations - is profiled, whereby parts with a certain combination of geometric shape, density and adhesive power move upwards on the inclined conveying surface, but the others move downwards.
  • the components of the pile to be separated can be removed separately.
  • the series connection of several floors is also known from EP-A1 0 139 783.
  • the last floor is also designed as a transport device because it is bent like a roof. The point of inflection represents the transition from the swinging floor to the transport plate, and there is no longer any separation beyond the part.
  • the aim of the invention is to create a compact system which improves the separation performance for all mixtures of solids, with a larger throughput also not leading to any deterioration in the separation performance.
  • this is achieved in that, as is known in the case of individual floors, two rows of swing floors are connected in series, the direction of vibration of the two rows being the same, but the inclination of the floors of the two rows being different.
  • the inclination of the bottoms of the first (upper) row to the horizontal is smaller than the inclination of the direction of oscillation to the horizontal. This results in an improved pre-sorting in the first row, which further increases the overall separation efficiency of the system.
  • the bottoms of the second row are bent along a horizontal edge lying transversely to the direction of oscillation in such a way that their underside is concave, the flatter section preferably being flatter and the steeper section steeper than the direction of oscillation with respect to the horizontal is.
  • the last-mentioned embodiment is advantageously developed in such a way that the material falling from the first row of floors between the swinging floors strikes the immediate area of the kink of the floors of the lower row.
  • the bottoms can also have an arc shape, in this case the impact area is approximately that which runs parallel to the direction of vibration.
  • a separating device 1 has eight dividers 11 in an upper row A and eight dividers 21 in a lower row B.
  • rows A and B are parallel to each other, but this is not necessary.
  • All sixteen partitions are firmly mounted in a housing 131.
  • an unbalance drive 132 is provided at the lower end of the separating device 1.
  • two masses 133 of equal size are known to run symmetrically to one another in the opposite direction of rotation about axes parallel to one another.
  • the plane of symmetry obtained is the oscillation plane of the entire device indicated by the arrow f.
  • the inclination of this direction of oscillation f is greater than the inclination of the oscillating floors 11 of the row A in the exemplary embodiment shown relative to the horizontal h.
  • the swinging floors 21 of the row B are bent around a horizontal edge 32, which is normal to the swinging direction f.
  • the upper part 33 of the swing floors 31 is flatter than the lower part 34 of these swing floors.
  • the top floor 11 'of row A is the posting point. In the exemplary embodiment, it is provided on its upper side with a deflection bar, which prevents a part of the applied material from leaving this floor upwards.
  • the material to be separated, braked by the vibrations of the device 1 moves from this feed point from one floor 11 to the next, parts of the material falling into the gaps 12 left between the floors.
  • Such material preferably falls through the gaps that rolls and / or jumps poorly and tends to remain on the floors 11.
  • the vibrations loosen it to such an extent that it slips and preferably falls through the gaps 12.
  • the rollable material preferably reaches the lower end of this row, from where it falls on the lowest area of the lower row B.
  • That part of the material which is conveyed upwards in the row B against gravity on the individual trays 21, i.e. the part with the lower density and the better adhesion to the floors or the part of the material to be separated which is not easy to roll leaves the floors of the lower row B at the upper end and thus reaches the area above the separating strip through gaps 36 between the floors 34 of the housing.
  • control of the material flow between the two rows can easily be adapted to the respective separation process. It is possible, for example, to provide one of the two rows displaceably within the housing in order to correctly direct the individual material veils falling through the columns 12 to the desired impact points on the floors 21.
  • the invention when separating suitable materials, it can be provided to provide an advantageously upward air flow in the area between the two rows A, B by means of a blower or the connection to a compressed gas line, as a result of which a certain screening of the particles during flight takes place, which in particular with a corresponding adjustment of the impact points on the lower floor row for a further improvement, both the Throughput as well as the separation performance leads.
  • the device according to the invention has proven itself, for example, in the sorting out of stones and other solid, hard materials from sawdust or chips for the production of chipboard and the like, but also in the sorting out of glass splinters from humus.
  • the device which has proven itself excellently in this area of application, works with vibration ranges between 1.6 and 12 mm at 3000 to 1000 vibrations per minute, with the high frequencies being assigned to the low vibration ranges. It was even possible to remove sands from sawdust with the device tested.
  • the bottom row can also have a different size than that of the bottom row, it preferably being provided that their length in the direction of vibration is a multiple of the length of the bottoms of the bottom row.
  • the bases 11, 21 rotatably in the frame, since in this way consideration can be given not only to the upper row A as a whole, but also to the separation within row A.
  • the slots 12 between the bottoms 11 of the upper row are preferably individually adjustable, for example. by the floors 11 or the like in a groove. are movable. In order to be able to adjust the points of impact on the floors 12, it is also advantageous in this case to be able to move the lower floors 12.
  • the floors by extension pieces. change in size so that the column width takes the desired value.
  • pivot the floors in groups with each floor being rotated about a fixed, horizontal axis which is perpendicular to the direction of vibration, but the pivoting itself takes place together for some floors, e.g. using a joint parallelogram.
  • the material flow through the individual columns 12 should be adjusted by the choice of the column width and the inclination of the upper floors so that the load on the lower floors with material to be separated is as equal as possible for all floors.
  • the rows themselves can also deviate from the ideal linear arrangement, e.g. if at the same time a wind sifting of the falling material is carried out, the bottoms of the two rows, which are the most distant from the gas introduction, also have the greatest vertical distance from one another.
  • the horizontal arrangement of the bottoms of the lower row opposite the gaps between the bottoms of the upper row is advantageously made such that the material trickling through the cracks in the form of a veil under the influence of wind sifting on the kink or the transition region of the lower Soils.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Vibration Prevention Devices (AREA)
EP19900890130 1989-05-02 1990-04-30 Vibrationstrennvorrichtung Expired - Lifetime EP0396529B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1039/89 1989-05-02
AT103989A AT393466B (de) 1989-05-02 1989-05-02 Vibrationstrennvorrichtung

Publications (2)

Publication Number Publication Date
EP0396529A1 EP0396529A1 (de) 1990-11-07
EP0396529B1 true EP0396529B1 (de) 1993-12-15

Family

ID=3505266

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900890130 Expired - Lifetime EP0396529B1 (de) 1989-05-02 1990-04-30 Vibrationstrennvorrichtung

Country Status (9)

Country Link
EP (1) EP0396529B1 (cs)
AT (1) AT393466B (cs)
CS (1) CS213590A2 (cs)
DE (1) DE59003837D1 (cs)
DK (1) DK0396529T3 (cs)
ES (1) ES2047310T3 (cs)
FI (1) FI93086C (cs)
HU (1) HU207005B (cs)
SK (1) SK279384B6 (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5611435A (en) * 1993-03-12 1997-03-18 Technisches Buro Ing. Reinhard Goschl Apparatus for sorting constituents of a mixture
JPH0734899B2 (ja) * 1993-03-31 1995-04-19 豊田通商株式会社 非鉄材料選別装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE30250C (de) * j. SMOLIN auf Waterloogrube bei Kattowitz Transport- und Separationsapparat für Kohlen und Feldfrüchte
DE249321C (cs) *
CH314861A (de) * 1951-04-20 1956-07-15 Inst Tech Forschung Und Entwic Verfahren und Vorrichtung zum Trockenscheiden von Mischgut auf einem Schwingtisch
US2772776A (en) * 1954-01-07 1956-12-04 United States Steel Corp Apparatus and method for separating fines
DE2854177C2 (de) * 1978-12-15 1985-05-02 Karl Merz - Maschinenfabrik, 7890 Waldshut-Tiengen Vorrichtung zum Abtrennen von in einem Haufwerk enthaltenen Ausschußteilen
DE3139279A1 (de) * 1981-10-02 1983-04-21 Klöckner-Humboldt-Deutz AG, 5000 Köln Schwingmaschine zum sieben und/oder foerdern, insbesondere einmassen-freischwinger-maschine
DE3324926A1 (de) * 1983-07-09 1985-01-17 Maschinenfabrik Bezner Gmbh & Co Kg, 7980 Ravensburg Siebvorrichtung
EP0139783A1 (de) * 1983-11-01 1985-05-08 Ventilatorenfabrik Oelde Gmbh Vorrichtung zur Aufbereitung von Schrott, Schutt od. dgl.
GB8406725D0 (en) * 1984-03-15 1984-04-18 Bootham North Eng Ltd Separator

Also Published As

Publication number Publication date
DK0396529T3 (da) 1994-02-14
HU902613D0 (en) 1990-09-28
DE59003837D1 (de) 1994-01-27
HUT57088A (en) 1991-11-28
FI93086B (fi) 1994-11-15
EP0396529A1 (de) 1990-11-07
ATA103989A (de) 1991-04-15
AT393466B (de) 1991-10-25
SK279384B6 (sk) 1998-10-07
FI902175A0 (fi) 1990-04-30
FI93086C (fi) 1995-02-27
CS213590A2 (en) 1991-09-15
ES2047310T3 (es) 1994-02-16
HU207005B (en) 1993-03-01

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