EP0546442B1 - Vorrichtung zum Trennen einer Materialmischung aus Materialien mit unterschiedlichem spezifischen Gewicht - Google Patents

Vorrichtung zum Trennen einer Materialmischung aus Materialien mit unterschiedlichem spezifischen Gewicht Download PDF

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Publication number
EP0546442B1
EP0546442B1 EP92120598A EP92120598A EP0546442B1 EP 0546442 B1 EP0546442 B1 EP 0546442B1 EP 92120598 A EP92120598 A EP 92120598A EP 92120598 A EP92120598 A EP 92120598A EP 0546442 B1 EP0546442 B1 EP 0546442B1
Authority
EP
European Patent Office
Prior art keywords
screening
air
drum
materials
mixture
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
EP92120598A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0546442A3 (enrdf_load_stackoverflow
EP0546442A2 (de
Inventor
Hans Schmitt
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.)
WESTERIA FOERDERTECHNIK GMBH
Original Assignee
Westeria Foerdertechnik Schmitt Hans 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
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Application filed by Westeria Foerdertechnik Schmitt Hans GmbH filed Critical Westeria Foerdertechnik Schmitt Hans GmbH
Priority to DE9218369U priority Critical patent/DE9218369U1/de
Publication of EP0546442A2 publication Critical patent/EP0546442A2/de
Publication of EP0546442A3 publication Critical patent/EP0546442A3/xx
Application granted granted Critical
Publication of EP0546442B1 publication Critical patent/EP0546442B1/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
    • B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
    • B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
    • 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
    • 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
    • B07B13/14—Details or accessories
    • B07B13/16—Feed or discharge arrangements
    • 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

Definitions

  • the invention relates to a device for separating a material mixture.
  • Soviet publication 1313530 shows a device for separating materials of different grain sizes.
  • the material is fed directly onto a rotating drum via the vibrating trough. There is a greater distance between the discharge end of the vibrating trough and the surface of the drum.
  • An air nozzle is arranged above the drum, the air flow of which is directed past the drum downwards just below the discharge end of the vibrating channel.
  • the air flow changes the material with the smaller grain in its trajectory so that it is separated from the material with the larger grain in the falling phase before touching the drum. This separation takes place in free fall before touching the drum, but the actual separation process, just as in EP 03 03 034, already takes place before the sieve drum solely by the air flow.
  • DE-PS 2837037 Another device is described in DE-PS 2837037.
  • This device has a feed device for feeding a material mixture of materials with different specific weights to a rotatingly driven viewing device.
  • This viewing device is designed as a viewing drum.
  • the material to be sorted is fed into the interior of the viewing drum.
  • the axis of rotation of this viewing drum points in the longitudinal and feed directions of the feed device.
  • the various materials of the material mixture are to be separated from each other inside the viewing drum, which is positioned at an angle.
  • Such devices are mainly used for waste and waste sorting.
  • the invention has for its object to simplify the construction of the devices described in the introduction and at the same time to create a device for separating a material mixture with high selectivity and a high degree of purity which is not susceptible to malfunction and free of clogging.
  • the viewing device brakes the material that is fed directly from the feeding device onto the viewing device at a slower speed.
  • a first separation process takes place.
  • the air flow supports this separation in the second phase of the separation process, if, as described above, the lighter parts are pressed against the outer wall of the sighting device.
  • the viewing device brakes the material mixture applied directly to it by the feed device and the heavy parts are thereby subjected to a reversal of movement which has an extremely advantageous effect on the separation quality.
  • the lighter parts adhering and in the slipstream of the heavier parts become detached and are caught and taken away by the air flow from the air blowing device.
  • the air nozzle has a width which corresponds approximately to the width of the viewing device.
  • a plurality of air nozzles can also be arranged side by side and / or one above the other.
  • the height, angle and / or distance of the air-blowing device can be adjusted to the sighting device.
  • the adjustable assignment of feeding device and viewing device enables individual adaptation to the prevailing viewing and sorting conditions.
  • the distance between the discharge end of the feed device and the classifying device should be 1.5 to 5 times, preferably 2-3 times the largest average diameter of the chunks of the material mixture in order to achieve an optimal result. I.e. for example, with a maximum average chunk diameter of a material mixture of 30 mm, a distance of approximately 60-90 mm.
  • the sighting device or the conveyor belt In order to be able to achieve a sufficiently good separation result in the case of materials which are difficult to separate, it can be useful for the sighting device or the conveyor belt to have lugs such as knobs, wire pins etc. on its outside.
  • the device has the feed device designed as a vibrating conveyor 1 and the viewing device designed as a viewing drum 2.
  • the vibratory conveyor 1 is arranged on the frame 3 and is driven by the vibratory drive 4.
  • the feed conveyor belt 5 is arranged in front of the vibratory conveyor 1.
  • Seen in the conveying direction 6, the viewing drum 2 is rotatably arranged behind the vibrating conveyor 1.
  • the viewing drum 2 has a closed outer jacket 7 and is driven by a drive motor, not shown, rotating in the direction of the arrow 8.
  • the upper point 9 of the viewing drum 2 is located lower than the discharge end 10 of the vibrating conveyor 1 in the exemplary embodiment shown of the vibratory conveyor 1 is arranged.
  • the conveyor belt 12 is arranged below the viewing drum on the front side of the viewing drum 2 and the conveyor belt 13 on the rear side.
  • the air injection device 15 with the air nozzle 16 is arranged in the transition region 14 between the vibratory conveyor 1 and the viewing drum 2.
  • the air injection device 15 is connected via a hose, not shown, to a blower, also not shown.
  • the air nozzle 16 has a width which corresponds approximately to the width of the viewing drum 2 as shown in FIG. 2.
  • a plurality of air nozzles can also be arranged side by side and one above the other.
  • the air nozzle 16 is adjustable in its height, its angle and its distance from the viewing drum 2.
  • the air stream emerging from the air nozzle 16, as indicated by the arrow 17, is directed approximately tangentially to the upper half of the side of the viewing drum 2 facing the vibrating conveyor 1.
  • the viewing drum 2 can be driven via its drive motor at different speeds and optionally in both possible directions of rotation, the viewing drum 2 being driven in the direction of arrow 8 in the exemplary embodiment. Furthermore, the viewing drum 2 is arranged on the frame 18 so as to be adjustable and adjustable in the vertical direction, so that the upper point 9 (apex) can be set lower, at the same height or higher than the delivery point 10 of the vibratory conveyor 1.
  • the viewing drum 2 can be set in a manner not shown at different distances from the discharge end 10 of the vibratory conveyor 1.
  • the conveyor belts 12 and 13 can also be adjusted to the viewing drum 2 in a manner not shown.
  • the amount of air emerging from the air nozzle 16 and the speed at which the air exits the air nozzle 16 can be adjusted via a regulating device (not shown).
  • the functioning of the separating device according to FIG. 1 is as follows:
  • the material mixture to be sorted and separated from materials with different specific weights (such as stone rubble, foils, styrofoam, paper, wood, etc.) is, for example, from a storage bunker by means of the conveyor belt 5, as indicated by arrow 19, onto the vibratory conveyor 1 given up.
  • the vibratory conveyor 1 further promotes the material mixture in a comparatively manner in the direction of arrow 6.
  • the various material parts of the material mixture are directed against the upper half of the side of the outer jacket 7 of the viewing drum 2 rotating in the direction of the arrow 8 facing the vibratory conveyor 1.
  • the viewing drum 2 rotates at a low peripheral speed, adapted to the speed of the material flow.
  • the heavy material parts of the material mixture collide against the outer casing 7 of the viewing drum 2 and are braked by the viewing drum 2 and thrown back into the air flow by the viewing drum 2 due to the impact energy.
  • adhering and in the slipstream light parts detach from the heavier parts thrown back, so that these light parts are caught by the air stream 17 and torn away.
  • the heavy parts then fall down on the conveyor belt 12.
  • the conveyor belt 12 conveys these separated "heavy" material parts to another container or storage location. Parts adhering to the outer jacket 7 are scraped off the outer jacket by the stripper 21.
  • FIG. 3 shows a further possibility of assigning a feed device designed as an oscillating conveyor 1 'and a viewing device designed as a viewing drum 2'.
  • the viewing drum 2 ' is set with its axis of rotation 11 at an angle alpha to the conveying direction 6' of the vibratory conveyor 1 '.
  • the discharge end 10 'of the vibratory conveyor 1' viewed in plan view, runs approximately parallel to the axis of rotation 11 'of the viewing drum 2'.
  • the sight drum 30, according to FIG. 4, can be used instead of the sight drum 2 in the separating device shown in FIG. 1 in difficult sight and separation conditions.
  • the viewing drum 30 has on the outside of its outer jacket 31 the knobs or transverse projections 32 distributed over its circumference and its width. As a result, the separating effect of the viewing drum 30 is considerably improved, especially when sorting and viewing material parts of a similar shape.
  • FIG. 5 shows that instead of a single viewing drum, as in FIG. 1, a plurality of viewing drums 33 can be arranged one behind the other, viewed in the viewing direction 34.
  • the downstream viewing drum 33 seen in the viewing direction 34 is arranged lower than the previous one.
  • An air blowing device designed as an air nozzle 35 is assigned to each viewing drum 33.
  • the viewing drums 33 can be adjusted and adjusted in their distances (heights (A) and / or subsequent distance (B)) from one another; i.e. these distances are variable according to the requirements.
  • the axes of rotation 36 of the viewing drum 33 can be arranged on a straight or curved (convex or concave) line. It is also possible to arrange viewing drums 33 with different outer diameters one behind the other.
  • FIG. 6 shows the use of a conveyor belt 37 instead of the viewing drum 2 shown in FIG. 1.
  • the conveyor belt 37 is positioned obliquely upwards and is guided in an arcuate manner on its visible side 38. As indicated by arrow 20, the "lighter” material is directed onto the conveyor belt 13, while the “heavier” material falls onto the conveyor belt 12.
  • the separation process of the material mixture according to the systems according to FIG. 6 corresponds to the separation process as described for the system according to FIG. 1.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Air Transport Of Granular Materials (AREA)
EP92120598A 1991-12-10 1992-12-03 Vorrichtung zum Trennen einer Materialmischung aus Materialien mit unterschiedlichem spezifischen Gewicht Expired - Lifetime EP0546442B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9218369U DE9218369U1 (de) 1991-12-10 1992-12-03 Vorrichtung zum Trennen einer Materialmischung aus Materialien mit unterschiedlichem spezifischen Gewicht

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4140584A DE4140584C2 (de) 1991-12-10 1991-12-10 Vorrichtung zum Trennen einer Materialmischung aus Materialien mit unterschiedlichem spezifischen Gewicht
DE4140584 1991-12-10

Publications (3)

Publication Number Publication Date
EP0546442A2 EP0546442A2 (de) 1993-06-16
EP0546442A3 EP0546442A3 (enrdf_load_stackoverflow) 1994-01-12
EP0546442B1 true EP0546442B1 (de) 1995-07-12

Family

ID=6446641

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92120598A Expired - Lifetime EP0546442B1 (de) 1991-12-10 1992-12-03 Vorrichtung zum Trennen einer Materialmischung aus Materialien mit unterschiedlichem spezifischen Gewicht

Country Status (3)

Country Link
EP (1) EP0546442B1 (enrdf_load_stackoverflow)
AT (1) ATE124892T1 (enrdf_load_stackoverflow)
DE (2) DE4140584C2 (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2366461A1 (de) 2010-03-19 2011-09-21 WESTERIA Fördertechnik GmbH Windsichter mit Verteilertellern
US8307987B2 (en) 2006-11-03 2012-11-13 Emerging Acquisitions, Llc Electrostatic material separator
US8336714B2 (en) 2009-05-14 2012-12-25 Emerging Acquistions, LLC Heating system for material processing screen
US8618432B2 (en) 2007-12-18 2013-12-31 Emerging Acquisitions, Llc Separation system for recyclable material
KR101541981B1 (ko) * 2010-09-14 2015-08-04 디르크 바른슈테트 벌크 물건의 흐름에서 편평한 고형물과 삼차원적인 고형물을 분리하는 방법
DE202016102456U1 (de) 2016-05-09 2016-07-01 WESTERIA Fördertechnik GmbH Semimobile Sichter-Anlage

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT401357B (de) * 1994-05-10 1996-08-26 Ruef Anton Einrichtung zum trennen von abfallstoffen
DE19520486C2 (de) * 1994-06-24 1999-08-12 Iwa Ingenieurbuero Wolfgang Ad Verfahren und Anlage zur Abtrennung von Leichtstoffteilchen
DE19653328A1 (de) * 1996-12-20 1998-06-25 Kleemann & Reiner Masch Vorrichtung zum Trennen einer Materialmischung, insbesondere einer Bauschuttmischung
DE20021863U1 (de) 2000-12-27 2001-06-07 Nelles, Willy, 51515 Kürten Vorrichtung zum Planschleifen von künstlichen Steinen, insbesondere von Bimssteinen
WO2003028906A1 (en) 2001-10-02 2003-04-10 Bulk Handling Systems, Inc. Screen
US8857621B2 (en) 2001-10-02 2014-10-14 Emerging Acquisitions, Llc De-inking screen with air knife
RU2269389C2 (ru) * 2003-11-26 2006-02-10 Российская академия естественных наук Институт комплексного использования минерального сырья и отходов ООО "ИКИМСО" Гравитационно-центробежный способ обогащения полезных ископаемых
BRPI0617765A2 (pt) * 2005-10-24 2011-08-02 Thomas A Valerio aparelho, sistema e processo de classificação de materiais dissimilares
US7942273B2 (en) 2008-10-07 2011-05-17 Emerging Acquisitions, Llc Cross flow air separation system
GB0622726D0 (en) * 2006-11-15 2006-12-27 Ken Mills Engineering Ltd Material sorting apparatus
DE202008008551U1 (de) 2008-06-25 2008-10-23 WESTERIA Fördertechnik GmbH Windsichter
DE102013006061A1 (de) * 2013-04-06 2014-10-09 Trenn- und Sortiertechnik GmbH Verfahren zum Trennen und/oder Sortieren von Schüttgütern
DE202014105905U1 (de) * 2014-12-05 2016-03-08 Imro Maschinenbau Gmbh Anordnung von Blasköpfen für eine sensorgesteuerte Separationsvorrichtung, insbesondere mit Lavaldüsen
CN104998830B (zh) * 2015-08-03 2017-03-08 山东迅力特种汽车有限公司 一种垃圾输送分拣装置
DE202016100858U1 (de) * 2016-02-18 2016-06-08 WESTERIA Fördertechnik GmbH Windsichter mit Dreifachtrennung

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8307987B2 (en) 2006-11-03 2012-11-13 Emerging Acquisitions, Llc Electrostatic material separator
US8618432B2 (en) 2007-12-18 2013-12-31 Emerging Acquisitions, Llc Separation system for recyclable material
US8336714B2 (en) 2009-05-14 2012-12-25 Emerging Acquistions, LLC Heating system for material processing screen
EP2366461A1 (de) 2010-03-19 2011-09-21 WESTERIA Fördertechnik GmbH Windsichter mit Verteilertellern
DE102010016735A1 (de) 2010-03-19 2011-09-22 WESTERIA Fördertechnik GmbH Windsichter mit Verteilertellern
KR101541981B1 (ko) * 2010-09-14 2015-08-04 디르크 바른슈테트 벌크 물건의 흐름에서 편평한 고형물과 삼차원적인 고형물을 분리하는 방법
DE202016102456U1 (de) 2016-05-09 2016-07-01 WESTERIA Fördertechnik GmbH Semimobile Sichter-Anlage

Also Published As

Publication number Publication date
DE4140584C2 (de) 1995-01-26
ATE124892T1 (de) 1995-07-15
DE4140584A1 (de) 1993-06-17
DE59202873D1 (de) 1995-08-17
EP0546442A3 (enrdf_load_stackoverflow) 1994-01-12
EP0546442A2 (de) 1993-06-16

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