EP0628351B1 - Verfahren und Vorrichtung zum Trennen eines Schüttguts - Google Patents
Verfahren und Vorrichtung zum Trennen eines Schüttguts Download PDFInfo
- Publication number
- EP0628351B1 EP0628351B1 EP94107909A EP94107909A EP0628351B1 EP 0628351 B1 EP0628351 B1 EP 0628351B1 EP 94107909 A EP94107909 A EP 94107909A EP 94107909 A EP94107909 A EP 94107909A EP 0628351 B1 EP0628351 B1 EP 0628351B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vibratory
- vibratory table
- air
- bulk material
- discharge edge
- 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
Links
- 239000013590 bulk material Substances 0.000 title claims abstract description 35
- 239000002245 particle Substances 0.000 claims abstract description 35
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 11
- 238000005243 fluidization Methods 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims 1
- 241001474791 Proboscis Species 0.000 description 10
- 230000000149 penetrating effect Effects 0.000 description 5
- 239000002361 compost Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003542 behavioural effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
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
- B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B4/00—Separating by pneumatic tables or by pneumatic jigs
- B03B4/02—Separating by pneumatic tables or by pneumatic jigs using swinging or shaking tables
Definitions
- a device of this type is known from FR-A 1123 112.
- This known arrangement is used to separate one dust-like and granular particles consisting of fraction the bulk material.
- the known arrangement of Sieve table interspersed with an air flow that the separable, dusty and granular particles and via an exhaust air duct leading from the upper part of the housing is dissipated. Then the one to be removed arrives Particles laden air in a cyclone separator.
- the the Airflow penetrating the sieve table obviously has to be so strong here be that the particles to be separated are entrained.
- the air passing through the bulk material is not used here particles to be separated in the area of the surface of the Enrich the bulk mat formed.
- the said proboscis are not equipped with their own suction line, but connected to the general exhaust duct through which all the air passing through the vibrating table is removed.
- this known arrangement there is no device for Removal of particles falling through the vibrating table provided what is also on a strong, the swing table penetrating air flow.
- DE-A 24 34 665 shows a device for separating Bulk material in several fractions.
- This well-known too The arrangement has a sieve table Vibration table that is traversed by an air stream. This is through above and below the vibrating table arranged blower generated and one of the upper housing part outgoing exhaust duct. This airflow is said to be light Carry away particles.
- a proboscis for suctioning off the Bulk surface enriched particles is not intended nor is there any arranged below the vibrating table Discharge device for those falling through the vibrating table Particles.
- the Air flow through the vibrating table is so low that an Fluidization of the bulk material does not take place to suction the by the vibration of the vibrating table and by the Air passing through the vibrating table in the upper area of the Bulk-formed mat enriched particles at least one in a front in the transport direction of the vibrating table Area arranged, the swing table on its whole Across the width, via a separate one from the exhaust air duct Suction line provided with a suction hose for suction is that compared to the swing table in lowering and Longitudinal direction is adjustable, and that through the swing table falling through, fine-grained material by means of a below the Vibrating table arranged and removable is dissipatable.
- the table edge shown on the right in the example shown of the vibrating table 1 forms a discharge edge 10, through which the vibrational movement promoted Is dropped well.
- sufficient space is provided, which in a acting as a good outlet, attached to the vibrating box 5 Slide 11 opens.
- In the area of the drop edge 10 distant edge of the table will be treated Bulk thrown onto the vibrating table 1.
- the for this provided loading device consists in the shown Example from a attached to the vibrating box 5 Slide 12 into which a stationary feed hopper 13 opens, which here by means of a conveyor belt 14 with the bulk material to be treated.
- the bulk material is conveyed by means of the swinging chute 12 distributed over the entire width of the vibrating table 1.
- the bulk material applied to the vibrating table 1 forms practically a bulk material mat covering the vibrating table 1, within the due to the vibratory movements of the Vibration table 1 segregation takes place.
- the heavier particles concentrate in the lower layers, the lighter and flat particles in the upper layers.
- the flat particles are located itself due to the vibratory movements of the vibrating table 1 in a practically table-flat position.
- the dwell time of the bulk material on the vibrating table 1 can be regulated by its inclination.
- the Vibration table 1 is suitably arranged so that its inclination is adjustable with respect to the discharge edge 10, as in Figure 1 is indicated by a double arrow.
- the vibrating table 1 is useful around a discharge edge Swivel axis.
- the vibrating table 1 is air-permeable sieve table. This exists in a manner known per se from a lower, as a flow mask Acting perforated plate 15 made of a fabric 16 is spanned.
- the air is through an air intake duct 17 introduced into the lower housing part 7 or alternatively arranged in the lower housing part 7 Fan generated and via an exhaust duct 18, the one Particulate matter can be assigned from the upper part of the housing 8 derived.
- the air flow is dosed so that fluidization of the vibrating table 1 bulk goods, i.e.
- the position of the inlet nozzle 25 with respect the discharge edge 10 in the conveying direction of the vibrating table 1 be adjustable.
- the end area of the proboscis 19 easily slidably or pivotally arranged be, as indicated by broken lines.
- the fixation e.g. by means of made a clamping device.
- the proboscis 19 is located with its inlet nozzle 25 always in one Transport direction of the vibrating table 1 front, the Throwing edge 10 containing or adjacent to this area: In some cases, e.g. in the extraction of Shells, it can be useful if the proboscis 19 with its inlet nozzle 25 near the discharge edge Quarter of the vibrating table 1 is located.
- the proboscis 19 is arranged so that its Central axis from the discharge edge 10 around the width of the inlet nozzle 25 is removed.
- the suction nozzle 19 with its inlet nozzle 25 at least partially extends beyond the discharge edge 10, e.g. so is set that the axis of the inlet nozzle 25 on the discharge edge 10 is aligned. This allows with the material that has already passed the chute edge 10 has, by means of the adjoining to the discharge edge Chute suctioned air a certain Achieve counterflow classifier effect and thus the selection still improve.
- FIG. 2 In the two-stage arrangement on which FIG. 2 is based is a separator forming the second stage a type forming the first stage described above Device for reading heavy parts upstream.
- the separator forming the second stage corresponds in terms of their basic structure to that described above Contraption. On another, detailed Description is therefore omitted. The following will primarily on the specifics of the arrangement received according to Figure 2, with respect to the second Step forming separator for same parts the same Use reference numerals as above.
- the device for heavy part reading forming the first stage is known as a counterflow sifter educated. This consists of one in one with one Vibrating drive connected vibration box 28 arranged Vibrating sieve 29, which is formed by a perforated plate Flow mask and a tissue spanning this is formed. Above the vibrating screen 28 is a good inlet 29 arranged here by a vibrating Box 27 included slide and one opening into it Feed tube is formed in the to be treated Thrown in well, as indicated by a conveyor belt is. The vibrating screen 28 becomes through the material feed 29 bulk material applied across its entire width.
- the box 27 of the first receiving the vibrating screen 28 Stage and the box 5 of the vibrating table 1 second stage are arranged one behind the other in the longitudinal direction and by means of associated tie rods 4, 4a a common eccentric shaft 3 can be driven. This is for this purpose with offset in the circumferential direction Eccentrics provide that boxes 5 and 27 are horizontal swing in opposite directions, which facilitates mass balancing. The eccentricities of the eccentrics and accordingly the amplitudes of the vibrations caused thereby Boxes 5 and 27 are adapted to the respective separation task.
- the vibrating box 27 is with a bellows 9 an associated lower housing part 30 to which a supply air duct 31 is connected or into which a fan is installed.
- the edge of the vibrating screen facing away from the vibrating table 1 28 acts as its discharge edge 33, starting from the the vibrating screen 28 is arranged with a slope.
- the angle of inclination can be adjustable, as with a double arrow is indicated.
- Above the drop edge 33 is here an adjustable flap 34 is arranged by means of of which the good outlet assigned to the discharge edge 33 35 attracted false air can be set.
- the air supplied by means of the supply air duct 31 becomes so doses that, in contrast to the vibrating table 1, fluidization of the bulk material picked up on the vibrating screen 28 he follows.
- the entire bulk material is included except for those that remain on the vibrating screen 28 Heavy parts whirled up.
- the heavy parts are through Vibration transport to the discharge edge 33 promoted and over thrown them into the good outlet 35, accordingly acts as a heavy part outlet.
- the whirled up Light goods float in the direction of the gradient of the vibrating screen 28 from its lower edge and passes here one the distance between the adjacent edges of vibrating screen 28 and vibrating table 1 bridging Guide device 36 on the vibrating table 1.
- Die vom Vibrating sieve 28 forms floating light material fraction accordingly the input material for the second Level at which the particularly light and / or just as well behavioral, flat particles through the of the discharge edge 10 assigned proboscis 19 are sucked upwards.
- the discharge edge 10 diametrically opposite discharge edge 33 of the vibrating screen 28 a preferably adjustable Suction nozzle for suctioning through the heavy goods assigned to entrained light particles.
- this type of flap 34 can be omitted. That in the area the discharge edge 33 can be sucked off either Separator 23 or preferably the vibrating table 1 be further separated.
- the guide device 36 is simple in the example shown than at a above the descent edge 37 of the Vibrating sieve 28 arranged window attached slide formed a window of the adjacent wall of the Box 5 reaches through and above the far edge Range of the vibrating table 1 ends. In cases of this kind there is of course a pressure equalization between the spaces above the vibrating screen 28 and Vibration table 1. To prevent such Pressure equalization could serve as a guiding device be provided in connection with separate upper housing parts.
- the vibrating screen 28 and the vibrating table 1 are shown in the Example the same size.
- the air flow through the vibrating table 1 is, however, much smaller than that Air flow through the vibrating screen 28.
- the air flow through the vibrating table 1 is depending on the composition of the material to be treated 0.2 to 0.75 of the air flow through the vibrating screen 28, above it in contrast to the downstream stage fluidization of the light goods he follows.
- those at the Top of the bulk material mass lying on the vibrating table 1 concentrated, particularly light and / or flat particles by means of the suction nozzle 19 upwards aspirated and in the separator upstream of the blower 21 23 deposited.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
Description
- Figur 1
- einen Längsschnitt durch eine einstufige erfindungsgemäße Anordnung in schematischer Darstellung und
- Figur 2
- einen Längsschnitt durch eine zweistufige erfindungsgemäße Anordnung in schematischer Darstellung.
Claims (8)
- Vorrichtung zum Auslesen von absaugbaren Teilchen aus einem Schüttgut, mit wenigstens einem mit einem Schwingantrieb (2,2) verbundenen, in einem Gehäuse angeordneten Schwingtisch (1), der wenigstens eine Abwurfkante (10) aufweist und dem wenigstens eine von der Abwurfkante (10) entfernte Beschickungseinrichtung (12;36) zugeordnet ist, wobei der Schwingtisch (1) als luftdurchlässiger Siebtisch ausgebildet ist, der von unten mit Luft beaufschlagbar ist, die über einen Abluftkanal (18) aus dem Oberteil (8) des Gehäuses ableitbar ist, dadurch gekennzeichnet, dass der Luftdurchsatz durch den Schwingtisch (1) so einstellbar ist, dass eine Fluidisierung des Schüttguts unterbleibt, dass zum Absaugen der durch die Vibration des Schwingtisches (1) und durch die den Schwingtisch (1) durchsetzende Luft im oberen Berich der vom Schüttgut gebildeten Matte angereicherten Teilchen wenigstens ein in einem in Transportrichtung des Schwingtisches (1) vorderen Bereich angeordneter, den Schwingtisches (1) auf seiner ganzen Breite übergreifender, über eine vom Abluftkanal (18) separate Saugleitung (20) mit Saugzug beaufschlagbarer Saugrüssel (19) vorgesehen ist, der gegenüber dem Schwingtisch (1) in Absenk- und Längsrichtung einstellbar ist, und dass durch den Schwingtisch (1) durchfallendes, feinkörniges Material mittels einer unterhalb des Schwingtisches (1) angeordneten Abführeinrichtung aufnehmbar und abführbar ist.
- Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, dass der Saugrüssel (19) einen teleskopartig ausfahrbaren und einstellbaren Eingangsstutzen (26) aufweist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass dem Saugrüssel (19) ein einstellbarer Falschlufteingang (22) zugeordnet ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Saugrüssel (19) einen schwenkbaren Eingangsberich aufweist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Saugrüssel (19) mit einem Abscheider (23) verbunden ist, der an ein Evakuiergebläse (21) angeschlossen ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Luftdurchsatz durch das den Schwingtisch (1) bildende Schwingsieb im Bereich zwischen 0,2 bis 0,75 des Luftdurchsatzes eines Gegenstromsichters vergleichbarer Größe liegt.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die dem Schwingtisch (1), dessen Neigung bezüglich seiner Abwurfkante (10) vorzugsweise einstellbar ist, zugeordnete Beschickungseinrichtung als Leichtgut-Ausgang eines vorgeordneten Gegenstromsichters ausgebildet ist, der ein zum Schwingtisch (1) gegenläufig antreibbares, luftdurchlässiges Schwingsieb (28) aufweist, das von seiner Abschwimmkante (37) zu seiner dieser gegenüberliegenden Abwurfkante (33) ansteigend angeordnet und mit Schüttgut beaufschlagbar ist, wobei das Schwingsieb (28) und der Schwingtisch (1) vorzugsweise in Längsrichtung hintereinander angeordnet und mittels einer den Abstand überbrückenden, vorzugsweise als Rutsche ausgebildeten Leiteinrichtung (36) miteinander verbunden sind.
- Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass der Abwurfkante (10) des Schwingtisches (1) und der Abwurfkante (33) des vorgeordneten Gegenstromsichters jeweils mindestens ein einstellbarer Saugrüssel (19) zugeordnet ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4318472A DE4318472A1 (de) | 1993-06-03 | 1993-06-03 | Verfahren und Vorrichtung zum Trennen eines Schüttguts |
| DE4318472 | 1993-06-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0628351A1 EP0628351A1 (de) | 1994-12-14 |
| EP0628351B1 true EP0628351B1 (de) | 2000-12-13 |
Family
ID=6489563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94107909A Expired - Lifetime EP0628351B1 (de) | 1993-06-03 | 1994-05-21 | Verfahren und Vorrichtung zum Trennen eines Schüttguts |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0628351B1 (de) |
| AT (1) | ATE198055T1 (de) |
| DE (2) | DE4318472A1 (de) |
| ES (1) | ES2153397T3 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19505385A1 (de) * | 1995-02-17 | 1996-08-22 | Rethmann Kreislaufwirtsch Gmbh | Verfahren und Vorrichtung zum Sortieren von Abfall, insbesondere Baumischabfall |
| DE19601206C2 (de) * | 1996-01-15 | 1998-08-20 | Herhof Umwelttechnik Gmbh | Verfahren und Vorrichtung zum Trennen von Kompost oder sonstigem Schüttgut |
| US5951864A (en) * | 1996-10-28 | 1999-09-14 | Emerson Electric Co. | Screening system |
| SE9902488D0 (sv) * | 1999-06-30 | 1999-06-30 | Franssons Verkstaeder Ab | Separationsanordning |
| DE10127240B4 (de) * | 2001-05-22 | 2005-05-12 | Hüttlin, Herbert, Dr.h.c. | Vorrichtung zum Behandeln von partikelförmigem Gut |
| DE10338851B3 (de) * | 2003-08-20 | 2005-03-03 | Rudolf Schinke | Schwingsieb und Verfahren zum Betrieb eines Schwingsiebs |
| FR2881109B1 (fr) * | 2005-01-24 | 2010-02-26 | Realisation D App Pour L Ameli | Installation pour le deconditionnement automatise de produits emballes |
| EP4289509B1 (de) * | 2022-06-10 | 2026-03-11 | Mogensen Spain, S.L.U. | Densimetrischer trenntisch |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1123112A (fr) * | 1954-04-28 | 1956-09-18 | Svenska Flaektfabriken Ab | Procédé pour effectuer la séparation fractionnée |
| DE946521C (de) * | 1954-12-25 | 1956-08-02 | Kloeckner Humboldt Deutz Ag | Luftsetzmaschine und Verfahren zur Aufbereitung von Feinkohle oder von aehnlichem Gut |
| DE2434665A1 (de) * | 1974-07-18 | 1976-01-29 | Gimborn Probat Werke | Vorrichtung zur trennung spezifisch unterschiedlich schwerer teilchen in einem schuettgut |
| DE2629746B1 (de) * | 1976-07-02 | 1977-06-23 | Erkelenzer Maschinenfabrik Fer | Trennvorrichtung fuer glasbruch fuer eine altglas-wiederverwertungsanlage |
| DE8909665U1 (de) * | 1989-08-11 | 1989-11-09 | Happle Gmbh & Co Maschinenfabrik, 7912 Weissenhorn | Vorrichtung zum Auslesen von Schwerteilen aus einem Schüttgut |
| DE4216638C1 (de) * | 1992-05-20 | 1993-09-16 | Daimler-Benz Aktiengesellschaft, 70567 Stuttgart, De |
-
1993
- 1993-06-03 DE DE4318472A patent/DE4318472A1/de not_active Withdrawn
-
1994
- 1994-05-21 AT AT94107909T patent/ATE198055T1/de not_active IP Right Cessation
- 1994-05-21 DE DE59409605T patent/DE59409605D1/de not_active Expired - Fee Related
- 1994-05-21 ES ES94107909T patent/ES2153397T3/es not_active Expired - Lifetime
- 1994-05-21 EP EP94107909A patent/EP0628351B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0628351A1 (de) | 1994-12-14 |
| DE59409605D1 (de) | 2001-01-18 |
| ES2153397T3 (es) | 2001-03-01 |
| DE4318472A1 (de) | 1994-12-08 |
| ATE198055T1 (de) | 2000-12-15 |
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