EP2277633B1 - Verfahren und Vorrichtung zum trennscharfen Klassieren von Partikeln nach ihrer Grösse - Google Patents

Verfahren und Vorrichtung zum trennscharfen Klassieren von Partikeln nach ihrer Grösse Download PDF

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Publication number
EP2277633B1
EP2277633B1 EP09009288A EP09009288A EP2277633B1 EP 2277633 B1 EP2277633 B1 EP 2277633B1 EP 09009288 A EP09009288 A EP 09009288A EP 09009288 A EP09009288 A EP 09009288A EP 2277633 B1 EP2277633 B1 EP 2277633B1
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EP
European Patent Office
Prior art keywords
classification
particles
plane
passage openings
particle
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.)
Not-in-force
Application number
EP09009288A
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German (de)
English (en)
French (fr)
Other versions
EP2277633A1 (de
EP2277633A8 (de
Inventor
Martin Steuer
Georg Unland
Thomas Folgner
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.)
Technische Universitaet Bergakademie Freiberg
Original Assignee
Technische Universitaet Bergakademie Freiberg
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 PL09009288T priority Critical patent/PL2277633T3/pl
Application filed by Technische Universitaet Bergakademie Freiberg filed Critical Technische Universitaet Bergakademie Freiberg
Priority to EP09009288A priority patent/EP2277633B1/de
Priority to ES09009288T priority patent/ES2389634T3/es
Priority to CN2010800411136A priority patent/CN102574160A/zh
Priority to BR112012001079A priority patent/BR112012001079A2/pt
Priority to RU2012104777/03A priority patent/RU2012104777A/ru
Priority to JP2012519936A priority patent/JP2012532751A/ja
Priority to US13/384,448 priority patent/US20120175288A1/en
Priority to IN554DEN2012 priority patent/IN2012DN00554A/en
Priority to MX2012000688A priority patent/MX2012000688A/es
Priority to PCT/EP2010/004330 priority patent/WO2011006664A1/de
Publication of EP2277633A1 publication Critical patent/EP2277633A1/de
Publication of EP2277633A8 publication Critical patent/EP2277633A8/de
Application granted granted Critical
Publication of EP2277633B1 publication Critical patent/EP2277633B1/de
Not-in-force 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
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • 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

Definitions

  • the invention relates to a method and an apparatus for the selective classification of particles according to their size.
  • the invention has for its object to provide a method and a device for classifying particles, which allow the quality of the classification, i. to increase the selectivity thereof considerably over conventional classifying methods and apparatus.
  • An essential aspect of the present invention is thus to classify particles according to their size, in particular according to one of their three main dimensions in a Euclidean space (Cartesian coordinate system), in particular length, width or thickness, wherein the particular quality or selectivity of this classification achieved thereby is that for this purpose according to the invention three-dimensional classier effective passage openings of a (three-dimensional) Siebungs Jardin be used. Due to this, it is surprisingly possible, in comparison to the aforementioned conventional flat screen geometries (2D screen geometries), to classify significantly more sharply than before.
  • document FR 2 434 656 discloses a device for sorting capsules whereby a three-dimensional screening effect is made possible by two parallel plates.
  • the present invention is based on a novel generation of three-dimensional screening structures with three-dimensionally classier passage openings, wherein preferably one of the three maximum main dimensions of length, width or thickness is classified and the particle dimensions are defined using these main dimensions. Therefore, in contrast to conventional methods, space size classification takes place, resulting in a drastic increase in classifying quality and quality.
  • the classification is carried out in at least one vibrating and / or preferably a tilted classifying plane, the particles preferably being moved in a throw or sliding motion along or in connection with a classifying plane, preferably rectangular, e.g. square, and / or elliptical, e.g. having circular passage openings in three-dimensional design, wherein the particles are preferably moved in the region of the three-dimensional passage openings along an inclined plane.
  • a classifying plane preferably rectangular, e.g. square, and / or elliptical, e.g. having circular passage openings in three-dimensional design, wherein the particles are preferably moved in the region of the three-dimensional passage openings along an inclined plane.
  • non-vibrating classifying plane Depending on the classification parameter, in particular one of the pairing of material sieve structure particles, has a screening structure, which is used for classification, at least in the region of the passage openings a predetermined depending on the respective main dimension friction coefficient, in particular a predetermined static friction.
  • the highest possible coefficient of adhesion is provided for a classification of a particle mixture or a particle fraction according to the main dimension of length a in the region of the three-dimensionally classifying passage openings, while in the case of a Classification according to one of the main dimensions width b or thickness c in the region of the three-dimensional classier effective passages of the 3D screening structure the lowest possible coefficient of friction, in particular coefficient of adhesion coefficient is selected, wherein the static coefficient of the Siebungs Vietnamese selected as a function of friction pairing particle coating and preferably a respectively adapted Klassierbelag is used for the corresponding screening structure, at least in the region of the three-dimensional passage openings.
  • each classifying plane (sieve level) having its own discharge device.
  • the device according to the invention is characterized by a classifying device with a sieving structure with three-dimensionally classier passage openings, preferably designed as upwardly projecting from one base of the classification level Aufstellklappen (or channels) on a particle task side of Siebungs Modell or on the other hand from a base of Classifying level of the screening structure emerging leaking flaps (or channels), on the exit side of the screening structure.
  • the deployment flaps or channels are located on a top (particle feed side) of the screen structure, while the deployment flaps or channels are on a bottom (particle exit side) of the screen structure.
  • the Aufstellklappen arranged on a particle-feed side of a Siebungsbelages are arranged opposite to a transport direction of the particles along the classifying plane, for classification according to the main dimension length a of the particles, while
  • Aufstell- or failure flaps, which limit the associated three-dimensional installation or failure channels of the openings are arranged in accordance or opposite to a direction of transport of the particles along the classifying plane, when classified according to a major dimension thickness c of the particles, while classified according to the main dimension width b the Aufstell- or failure flaps and limited by this three-dimensional installation or failure channels
  • Passage openings preferably arranged in accordance with a transport direction of the particles along the classifying plane are.
  • the passage openings can also be arranged oriented in the opposite direction to the transport direction of the particles.
  • a particle 1 is the geometry of a particle 1, as in Fig. 1 wherein this classification of a preferably consisting of free-flowing particles, which may be any bulk material, the main dimensions of the particle, namely its maximum length a, its mean main dimension, width b and its minimum major dimension, thickness c, which is three defined in the Cartesian coordinate system main dimensions of the particle 1 in the main axes X, Y, Z by a regular body, such.
  • an ellipsoid having the main dimensions of length a, width b and thickness c is used, the volume of this enveloping ellipsoid being minimal.
  • the ratio of the three main dimensions (length a, width b, thickness c) can be described by a>b> c, where A is perpendicular to b, b is perpendicular to v and v is perpendicular to a.
  • the task of a high-quality classification according to one of the three main dimensions can be defined.
  • the 3D-classification proposed here which is understood to be a classification using three-dimensionally classed throughflow openings, results in a surprisingly high-quality and selective classification achieved, with a significant reduction of clamping grain is achieved without special cleaning facilities are used.
  • 3D-classification In a three-dimensional, ie using three-dimensional classier wisheser passages made high-resolution size classification of particles according to a main dimension thereof (also referred to in the context of this application as "3D-classification"), it is both for the establishment of a physical-procedural model as well as for Definition of different solution variants makes sense to select suitable descriptors that can be used to describe the function of 3D classification geometry (classification documents, screen structures).
  • the parameters used here are a particle movement, a sieve opening geometry, ie a geometry of three-dimensional Classifying effective passage openings of the screening device with their characteristic dimensions and the depending on the Klassieriergabe considerable, prevailing or fixed friction conditions.
  • the particle movement is described by means of a measure which is described by the ratio of the components of the acceleration force F a acting on a particle 1 and the weight F g , which are perpendicular to a classifying plane of a classifying device (sieve device).
  • This measure is referred to as sieving or throwing factor S v .
  • Fig. 2 is the forces acting on a particle 1 equilibrium in the particle acceleration due to a linear vibration for the description / determination of possible movement occurrences for a screening device (classifier 2) shown.
  • m p denotes a particle mass
  • ⁇ an angle of attack of a sieve plane (classifying plane) or a classification lining of the sieving or classifying device 2
  • ⁇ an effective angle of the acceleration force as a result of an oscillating drive of the screening or classifying device 2.
  • Fig. 3 the movement conditions of a round model body in a throwing or sliding movement on the example of an inclined Klassierbelages (classifier 2) are shown.
  • a sorting device or means for classifying particles 1 preferably vibrating screens (screening devices 2 with a vibrating drive) are used or a screening device 2, which, obliquely, due to their inclination, a sliding movement of the particles 1 along the screening device 2 in the classifying plane at resting screen device. 2 brought about, as shown schematically in Fig. 3 is shown.
  • the screening device 2 may preferably have a circular oscillation, an elliptical oscillation, a linear oscillator or a plane oscillation.
  • the sieve opening geometry describes the geometry of the passage openings 3 of the sieving or classification coating 2 (which forms the classifying device).
  • the opening geometries can be distinguished in an XY plane and in an XZ plane or a Y / Z plane.
  • the former is in Fig. 4 shown on the left for a circular or a square passage opening 3, while on the right in Fig. 4 two examples of different dimensions of the passage openings 3 in the X direction and Y direction are shown as rectangular or elliptical passage openings.
  • one of the above-described "two-dimensional" opening geometries in the XY plane in the XZ or YZ plane is preferably provided with an inclined plane which extends along one of the spatial axes X or Y at a defined angle y is arranged to the plane XY.
  • a vertical opening with the dimensions w x - w z or w y - w z is shown in the selection of a square or rectangular opening geometry in the XY plane.
  • the inclined plane can be used as a flap 4, as in Fig. 5 shown or as a lift-5, as in Fig. 6 shown executed.
  • Fig. 6a shows a 3D square hole as a passage opening 3
  • Fig. 6b a 3D rectangular hole with lift-up 5 shows.
  • Fig. 7 shows the classification according to the main dimension length a, once in the case of the use of three-dimensional classier effective passage openings 3 with flap 4 in Fig. 7a or the execution of passages 3 with Aufstellklappe 5, shown schematically in sectional view or plan view respectively in Fig. 7b ,
  • the classification according to the main dimension length a is explained using the example of a square opening geometry, ie with a square passage opening 3 in the XY plane, a sieve index S v > 1 (throwing motion) and a failure flap 4 or raising flap 5 directed counter to the material transport direction.
  • Fig. 7 is an example of the use of a failure 4 and a flap 5 for the classification according to the main dimension length a represented by a 3D square hole.
  • the particle 1 is held in alignment by the xy plane as it is "threaded through.”
  • the particle tilts 1 and is characterized by at least three points A1, A2, A3 (see Fig. 7a ) held.
  • the arrows of a possible direction of movement in Fig. 7 indicate a possible direction of movement of the particle 1.
  • a high static friction coefficient of the friction pairing particle screen covering the classifier is provided .
  • high static friction coefficients are required for the friction conditions in the classification according to the maximum main dimension length a, in the context of the present application preferably a static friction coefficient of ⁇ ⁇ 0.3, in particular ⁇ ⁇ 0.7.
  • the particle 1 for classification according to the maximum main dimension length a in the in Fig. 1a below, held by the contact at the points A1, A2 and / or A3 conditional, erected position and thus remains on the screen cover or on the classifier and does not slip through the passage opening 3 (like the other particles that do not pass through the Design of Siebbelages depending on the feed defined, have predetermined length a and thus pass through the passage opening 3).
  • the movement of the classification coating or the classifying device ensures that the particle 1 is held in its defined orientation and can thus be classified according to a position of its center of gravity S according to the length a. Without a sufficiently high static coefficient of friction, the particle 1 would, as in Fig. 7a shown, tilted and not held by the contact point A1 in contact with the failure flap 4 and can slide with its width through the resulting between the XY plane and the failure flap 4 passage opening.
  • FIG. 7b An analogous embodiment, but with the use of a lift-up flap 5 (of course, the classifying device or the screen lining has a plurality of such Aufstellklappen 5, or in the execution Fig. 7a Deflation flaps 4, on) shows Fig. 7b , wherein also with such a raising flap 5, which emerges from a base B of the classifying plane upwards, can also be classified according to the maximum main dimension length a. If a particle 1 using the classifying 3D Aufstellklappengeometrie according to Fig. 7b The selection of the sieve index stimulates a throwing motion, as in Fig. 7 shown to erect the particle 1 with its width b parallel to XY plane.
  • the particle 1 By aligning the lift-off flap 5 opposite to the material transport direction, the particle 1 is held in its orientation when placed on the XY plane. Again, the particle 1 tilts when hitting the same on the XY plane and is held by at least three points B1, B2, B3. In this case too, it must be ensured by the choice of the material of the classification coating or screen coating and the classifying device that a high static friction coefficient ⁇ is present for the friction pairing particle classification coating or surface coating of the classifier ( ⁇ ⁇ 0.3). Preferably, a friction coefficient of ⁇ ⁇ 0.7 is provided. In the movement of the Klassierbelages is thus ensured that the particle 1 is held in its defined orientation and placement and thus can be classified according to the position of its center of gravity S to the length a. Again, would tilt without a sufficiently high coefficient of static friction of the particles 1 and can slide with its width through the resulting between the XY plane and the raising flap 5 passage opening 3.
  • the classification according to the main dimension width b is based on Fig. 8a and Fig. 8b in each case again for the execution of the classifying covering or the classifying device with a failure flap 4 ( Fig. 8a ) or raising flap 5 ( Fig. 8b ) explained.
  • a failure flap 4 Fig. 8a
  • a screen index S v ⁇ 1 sliding movement
  • an opened in material transport direction failure flap 4 the particles 1 can be classified according to their width b. If a particle 1 is stimulated to slide by the choice of sieve index (S v ⁇ 1), as in Fig.
  • the failure flap 4 and preferably a parallel extending from an opposite edge of the passage opening 3 failure flap 4a (the failure flaps 4, 4a can an integral tube to form the passageway 6 be) is formed.
  • circular passageway with an opening diameter w ö is a classification according to the particle width b.
  • the particle to be classified 1 falls with its main dimension a (length) in the passageway 6 and touches this passageway 6 in at least one point C1, while at the same time in a further point C2 with the edge of the passage opening 3 in contact.
  • the lowest possible coefficient of static friction ⁇ for the frictional pairing particle classification device must be selected. in particular with a static friction coefficient ⁇ ⁇ 0.3, so that a "sticking" of the particle 1 in the passageway 6 is prevented.
  • a selection of the coefficient of friction for the friction pairing between particle and classifying device or screen deck or classification coating is to be provided for classification according to the main dimension length a and depending on the type of particles 1 to be classified or Material of the classifier, ie the surface of the Klassierbelages 2, along which move the particles 1 to select or set up. Particles that do not have this width b defined as a classification criterion (particles with a greater width) remain on the screen surface.
  • Fig. 8b schematically illustrates a classification according to the main dimension width b using a square opening geometry in the XY plane (3D square hole), a screen index S v ⁇ 1 (sliding) and an up to the Materialtransportraum opening flap 5 classified by the also width b can be. If in this case a particle 1 is excited by the choice of the sieve index S v ⁇ 1 to a sliding movement along the classifier, the particle 1 slides, as in Fig. 8b shown in the XY plane on the square passage opening 3 (3D square hole) of the Aufstellklappengeometrie and touches them in at least one point C2.
  • the particle 1 rotates due to the moment acting on the particle 1 in the opening geometry of the passage opening 3 with raising flap 5 in the XZ plane or moves around it.
  • the material of the classifying device or the screen lining it is necessary, in coordination with the material of the particles 1, to ensure that the friction pairing particle classification coating or classification device has the lowest possible coefficient of static friction, so that a "sticking" of the particle 1 is prevented in the opening geometry of the 3D passage opening 3 with raising flap 5.
  • a coefficient of static friction ⁇ ⁇ 0.3 is preferably selected.
  • a classification according to the main dimension c is likewise made both with reference to an embodiment of the classifier with a failure flap 4 (FIG. Fig. 9a ) as well as an embodiment with lift-up flap 5 (FIG. Fig. 9b ).
  • a sieve index S v ⁇ 1 sliding movement
  • an opened in material transport direction failure flap 4 after the main dimension thickness c of the particles 1 are classified.
  • the 3D rectangular opening is preferably arranged with its long side at right angles to the material transport direction, as shown in FIG Fig. 9a is shown.
  • the choice of the static friction coefficient of the friction pairing particle sieve or screen cover material or surface of the classifier must be as low as possible (in particular ⁇ ⁇ 0.3), since such a "sticking" of Particles 1 in the passageway 6 is prevented.
  • Fig. 9b schematically illustrates the execution of a classifying device for classifying the main dimension thickness c by means of raising flap 5 using a rectangular opening geometry in the XZ plane of a sieve index S v ⁇ 1 (sliding) and an open opposite the material transport direction Aufstellklappe.
  • the rectangular opening geometry (3D rectangular hole) is arranged with its long side at right angles to the material transport direction. If a particle 1 is excited by the choice of the sieve index S v ⁇ 1 to a sliding movement, it comes as Fig. 9b to align the particle 1 with its major dimension length a along the longest dimension of the rectangular opening geometry of the deployment flap 5 in the XY plane.
  • the classification according to the particle thickness c is defined by the minimum distance between the raising flap 5 and the XY plane.
  • the coefficient of static friction is at a value ⁇ ⁇ 0.3. Particles (thicker particles) that do not correspond to the dimension of the specified thickness c as a classification criterion remain on the classification coating.
  • a particle movement (sieve code), an opening geometry of the classifying 3D passage openings, an opening geometry of the passage openings in the XY plane or YZ plane, an opening geometry in the XZ or YZ plane as well as the friction coefficients of the friction pattern particle material of the sieve structure (classifying device) which are significant as a function of the classifying task is a multitude of possible embodiments (at least 6 or more) for the classification according to the particle length a or particle width b and the particle thickness c of the Particles 1 as possibilities of procedural implementation of the method according to the invention, taking into account the aforementioned parameters.
  • Fig. 10 shows schematically using a Eindecksiebes 7 a basic, device-technical implementation of a classifying device with a Eindecksieb 7 for a classification according to the main dimension a. Without it being shown in detail, takes place here, as based on Fig. 7a (bottom left), a passage of the discontinuous particulate material through the Eindecksieb 7, in so far as the particles have no length a, which led to a persistence of particles 1 on the Eindecksieb 7 and thus for classification after the main dimension length a, as shown in FIG Fig. 7a is shown.
  • Each screen deck 8-10 provides a predetermined size of the maximum length a and thus determines the result of fractionation and size classification in coarse, medium and fine material.
  • Fig. 12 shows a schematic representation of a screen deck 11 as a classifier for a classification also after the main dimension length a, wherein such a screen deck 11 z. B. may consist of polyurethane, so that the lift-up 5 is not z. B. bending out of a base B of the classifying plane or classifying device to create the passage openings 3, but for example by separate injection molding of synthetic resin or plastic are formed and in their width, the passage openings 3 project beyond, as is apparent Fig. 12c (A sectional view along the line AA) in the plan view of the screen deck 11 after Fig. 12b results.
  • Other materials such as wood or ceramic (cast), can be used for the screen deck to suit the material of the particles to be classified.
  • Fig. 12c shows a sectional view of the screen deck 11 in a schematic representation, as already in connection with Fig. 12a (Longitudinal section) explained.
  • a further embodiment of the device-technical design or implementation for a classification of particles 1 according to their main dimension length a clarifies in a schematic representation Fig. 13 ,
  • a thickness d of the screen deck 11 and the classifier is chosen so large that the passage opening develop a three-dimensional Klassier effetkeit and within a material thickness (material thickness d) of Siebbelages 11, the failure flaps 4 are formed practically within and integral with the screen deck, so that the appropriate Opening channels 6 of the classifying 3D openings (here 3D-square holes) are formed within the thickness of the screen deck 11 and this has a plane-parallel configuration, from which no projections protrude.
  • such a classifying device can also be produced very advantageously by injection molding or other casting-technological shaping processes, in the case of manufacture from metal by means of corresponding oblique hole punching, milling.
  • Fig. 14 shows a device implementation of a classification according to the main dimension length a with a screen deck 11 which is disposed within a housing 12 which is spring-mounted on support springs 13, in which case 3D-square holes are provided as passage openings 3.
  • An in Fig. 14a schematically indicated discharge hopper 14 (also referred to as Unterkornaustrag) is the collection particulate material that does not meet the classification condition main dimension length a and have passed through the openings 3 of the screen deck in conjunction with the flaps 4 through the classifying plane formed by the screen deck 11.
  • the classified according to length a as the main dimension particulate material remains on the screen deck 11 are (as shown in Figures 7a and 11, respectively) and is discharged via a discharge chute 15.
  • the Austragsschurre 15 is shown as extending over the entire width of the housing 12 of the classifying machine, without this having to be mandatory.
  • Fig. 15 shows a sorting machine 16 as a multi-deck machine with three screen decks 11 for each classification by main dimension a (length), but for different fractions (size classes of a) according to the explanations in the schematic representation Fig. 11 to which reference is made accordingly.
  • a plurality of fractions of particle material classified according to the length a which is placed on the upper screen deck 11, can be produced at the same time and can be removed laterally separated by corresponding discharge chutes 15.
  • the undersize discharge or discharge hopper 14 serves to collect the particulate matter that does not correspond to the "fractionated" classing condition length a.
  • the classifying hole geometries (openings 3) are designed as 3D square holes.
  • Fig. 16 illustrates a schematic representation of a device embodiment for a classification according to the particle width b as the main dimension using Aufstellklappen 5, comparable to the embodiment of a classification according to dimension a with Aufstellklappen after Fig. 12 ,
  • the determination of the dimension w y which defines the minimum opening width of the raising flap 5 in the YZ plane, here determines the classification according to the particle width b.
  • the lowest possible coefficient of friction in the friction pairing particles screen deck 11 is selected ( ⁇ ⁇ 0.3, coefficient of static friction) to ensure a smooth and pinch-free passage of the particles 1 through the passage opening 3 in the area of the raising flap 5.
  • Fig. 17 shows an embodiment of a screen deck 11 in sectional view ( Fig. 17a ) in plan view with circular or elliptical passages 3 and integrated failure flaps 4 and in material transport direction facing opening channels 6, wherein also the screen deck 11 plane-parallel upper and lower sides 11a and 11b and has a Klassierbergergabe according to width b correspondingly matched thickness d.
  • the classification according to the width b as the main dimension of the particles and, in particular, the importance of a low coefficient of friction of the screen deck with respect to the nature of the particle to be classified in order to avoid pinch.
  • Fig. 18 illustrates a classifying machine 16 using a screen deck 11 after Fig. 17
  • Fig. 19 again illustrates a fractional classification according to the width b in three different fractions with three screen decks 11 of different class size for the width b.
  • FIG. 20 with the schematic sectional views of a screen deck 11 in Fig. 20a , a top view in Fig. 20b and a side view (sectional view of Fig. 20b ) in Fig. 20 c , illustrate a device-technical embodiment for a classification according to the thickness of the particles with appropriate tuning turn the dimension w z (see in this regard Fig. 9b ).
  • the dimension w z is the smallest, in particular with respect to the comparable dimensions, ie the distances of the raising flaps from the XY plane for a classification according to the length a, so that applies.
  • FIG. 21 Finally, another embodiment using 3D rectangular holes as classier effective through holes 3 for the screen deck (top view Fig. 21b) shown, in an embodiment in which the corresponding flaps 4 formed by the thickness d of the screen deck 11 and corresponding opening channels 6, which extend inclined in the material transport direction.
  • Fig. 22 shows in the Figures 22a, b and c comparable to the corresponding figures for the classification parameters b or a, a device implementation with a Eindeckphase and failure flaps.
  • Fig. 23 again illustrates a multi-deck sorting machine (three decks) for the formation of three fractions of particles classified by the thickness using extending in the width direction of the screen deck 11 rectangular passage openings 3.
  • the explanations already given to the reference numerals apply accordingly.
  • the invention is used, inter alia, but not exclusively, for classifying processes in agriculture, such as in the harvest and processing of fruits, vegetables, berries and cereals, in seeds, fertilizers, animal feed, spices, coffee beans, nuts, tobacco, tea, Eggs or other animal products, as well as fish, meat or (intermediate) products thereof, and waste or by-products resulting therefrom; in the industry for the cleaning or processing of raw materials such as chippings, crushed stone, ores, coal, salts, wood materials and semi-finished or intermediate products, natural or synthetic bulk materials or powders such as lime, cement, fibers, coke, natural graphite, synthetic graphite, plastics and their aggregates, composites, ceramics, glass, metal, wood chips, aggregates for industrial processes, blasting or polishing media, screws, nails, coins, gemstones, semi-precious stones, scrap, recyclates or other waste streams, bulk materials or powders in the chemical or pharmaceutical industries , such as washing powder, pigments, beds for reactors, catalysts, medicinal or cosmetic active ingredients

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  • Combined Means For Separation Of Solids (AREA)
EP09009288A 2009-07-16 2009-07-16 Verfahren und Vorrichtung zum trennscharfen Klassieren von Partikeln nach ihrer Grösse Not-in-force EP2277633B1 (de)

Priority Applications (11)

Application Number Priority Date Filing Date Title
EP09009288A EP2277633B1 (de) 2009-07-16 2009-07-16 Verfahren und Vorrichtung zum trennscharfen Klassieren von Partikeln nach ihrer Grösse
ES09009288T ES2389634T3 (es) 2009-07-16 2009-07-16 Procedimiento y dispositivo para la clasificación selectiva de partículas según su tamaño
PL09009288T PL2277633T3 (pl) 2009-07-16 2009-07-16 Sposób i urządzenie do selektywnego klasyfikowania cząstek według ich wielkości
JP2012519936A JP2012532751A (ja) 2009-07-16 2010-07-15 サイズによる粒子の選別分級方法及び装置
BR112012001079A BR112012001079A2 (pt) 2009-07-16 2010-07-15 processo e dispositivo para a classificação seletiva de partículas de acordo com o seu tamanho
RU2012104777/03A RU2012104777A (ru) 2009-07-16 2010-07-15 Способ и устройство для селективной классификации частиц по размеру
CN2010800411136A CN102574160A (zh) 2009-07-16 2010-07-15 用于按照颗粒大小对颗粒进行选择性分类的方法和装置
US13/384,448 US20120175288A1 (en) 2009-07-16 2010-07-15 Method and device for the selective classification of particles according to the size thereof
IN554DEN2012 IN2012DN00554A (pl) 2009-07-16 2010-07-15
MX2012000688A MX2012000688A (es) 2009-07-16 2010-07-15 Método y dispositivo para la clasificación selectiva de particulas de acuerdo con su tamaño.
PCT/EP2010/004330 WO2011006664A1 (de) 2009-07-16 2010-07-15 VERFAHREN UND VORRICHTUNG ZUM TRENNSCHARFEN KLASSIEREN VON PARTIKELN NACH IHRER GRÖßE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09009288A EP2277633B1 (de) 2009-07-16 2009-07-16 Verfahren und Vorrichtung zum trennscharfen Klassieren von Partikeln nach ihrer Grösse

Publications (3)

Publication Number Publication Date
EP2277633A1 EP2277633A1 (de) 2011-01-26
EP2277633A8 EP2277633A8 (de) 2011-03-16
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BR (1) BR112012001079A2 (pl)
ES (1) ES2389634T3 (pl)
IN (1) IN2012DN00554A (pl)
MX (1) MX2012000688A (pl)
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DE102013218003A1 (de) * 2013-09-09 2015-03-12 Wacker Chemie Ag Klassieren von Polysilicium
US20200164383A1 (en) * 2016-11-14 2020-05-28 Thomas A Valerio Method and system for recovering metal using a helix separator
US9987664B1 (en) * 2017-05-10 2018-06-05 Garabedian Bros., Inc. Item size grader
JP7089856B2 (ja) * 2017-10-03 2022-06-23 日清製粉株式会社 小麦原料の製造方法及び小麦原料の製造装置
CN112238043B (zh) * 2020-09-08 2022-08-12 曹昆 一种珍珠筛选装置

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US2520667A (en) * 1946-01-23 1950-08-29 Simon Ltd Henry Grain separator
FR1038201A (fr) * 1950-07-15 1953-09-25 Bru Ckenbau Flender G M B H Fond de crible pour installation de criblage et de tamisage
US4181603A (en) * 1978-08-30 1980-01-01 Eli Lilly And Company Capsule sorting apparatus
US4254878A (en) * 1979-08-22 1981-03-10 Black Clawson Fibreclaim Inc. Screen for separating objects by shape
JPS57140889U (pl) * 1981-02-28 1982-09-03
JPS5924867B2 (ja) * 1981-08-20 1984-06-12 光義 石原 椎茸選別機用篩
JPS58146581U (ja) * 1982-03-29 1983-10-01 日鐵溶接工業株式会社 針状物分離用振動篩
JPS592481U (ja) * 1982-06-25 1984-01-09 川崎重工業株式会社 鋼板切断屑の篩分機
CN2135406Y (zh) * 1992-07-10 1993-06-09 盛兆成 一种硬币分拣装置
CN2127892Y (zh) * 1992-07-15 1993-03-10 麻来有 滚筒筛栗子分选机
JP2544368Y2 (ja) * 1993-12-29 1997-08-20 株式会社サンキプラン 製品・スプルーランナー分離機
US8281933B2 (en) * 2004-12-23 2012-10-09 Metso Minerals (Wear Protection) Ab Rider bar for screening element or wear-resistant lining
JP4221010B2 (ja) * 2006-04-04 2009-02-12 譲二 岡本 篩網及び篩網による分別方法
US7891498B2 (en) * 2006-09-22 2011-02-22 Carter Day International, Inc. High capacity length grading machine
EP2156903B1 (de) * 2008-02-04 2013-12-04 Technische Universitat Bergakademie Freiberg Verfahren und Vorrichtung zum Sortieren von Partikeln

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CN102574160A (zh) 2012-07-11
EP2277633A1 (de) 2011-01-26
PL2277633T3 (pl) 2012-11-30
WO2011006664A1 (de) 2011-01-20
US20120175288A1 (en) 2012-07-12
RU2012104777A (ru) 2013-08-27
BR112012001079A2 (pt) 2016-02-16
MX2012000688A (es) 2012-06-12
ES2389634T3 (es) 2012-10-29
EP2277633A8 (de) 2011-03-16
WO2011006664A8 (de) 2013-09-26
IN2012DN00554A (pl) 2015-06-12
JP2012532751A (ja) 2012-12-20

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