EP2156903B1 - Verfahren und Vorrichtung zum Sortieren von Partikeln - Google Patents

Verfahren und Vorrichtung zum Sortieren von Partikeln Download PDF

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Publication number
EP2156903B1
EP2156903B1 EP09014496.5A EP09014496A EP2156903B1 EP 2156903 B1 EP2156903 B1 EP 2156903B1 EP 09014496 A EP09014496 A EP 09014496A EP 2156903 B1 EP2156903 B1 EP 2156903B1
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EP
European Patent Office
Prior art keywords
classification
particles
sorting
hole
screen
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
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EP09014496.5A
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German (de)
English (en)
French (fr)
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EP2156903A1 (de
Inventor
Georg Unland
Dr. Thomas Folgner
Martin Steuer
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
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Technische Universitaet Bergakademie Freiberg
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Priority to EP09014496.5A priority Critical patent/EP2156903B1/de
Priority to PL09014496T priority patent/PL2156903T3/pl
Publication of EP2156903A1 publication Critical patent/EP2156903A1/de
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    • 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
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/282—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens their jigging movement being a closed or open curvilinear path in a plane perpendicular to the plane of the screen and parrallel or transverse to the direction of conveyance
    • 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
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/286—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens with excentric shafts
    • 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
    • B07B2201/00—Details applicable to machines for screening using sieves or gratings
    • B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens

Definitions

  • the invention relates to a method and a device for sorting particles.
  • sorted particulate material plays an increasing role for a high efficiency as well as for the fulfillment of quality requirements.
  • higher quality and price expectations can be realized. For example, sorted, higher-priced grit and gravel in the construction industry as well as in road construction can lead to significantly longer service life and improved product properties.
  • a method and an apparatus for sorting particles according to their particle shape in a spatial and temporal sequence with two Klassiercken is from the US 1,955,032 known for the subject matter of claims 1 and 19 as the closest prior art is considered.
  • the particles are classified according to their maximum particle size.
  • the particles are first classified according to the maximum extent which is not longer than twice the opening length of the passage openings.
  • the invention seeks to provide a method and apparatus for sorting particles for a broad, cross-industry application that is more reliable and industrially usable way to provide particles, such as from gravel or crushed stone or other beds, in grain form-specific sorting.
  • An essential aspect of the present invention is therefore to sort particles according to their grain shape and thus separate particles of different particle shape from each other, so particles.
  • Cubicity or roundness particles with a certain length / thickness ratio
  • classification and sorting are used.
  • Classification is the separation according to a geometric feature of the particle macro shape (eg main dimensions) Fig. 1 ).
  • a sorting according to the grain shape is described by the serial classification according to at least two geometric features of the particle macro-shape (serial classification according to at least two main dimensions), whereby a two-fold serial classification, according to the parameter cubicity, can take place.
  • a classification according to a geometric feature of a particle macro shape is preceded by a classification according to a further geometric feature of a particle macro shape (main dimension) in time and / or space.
  • a two-dimensional (taking place in the classification level) or even three-dimensional classification can be realized using three-dimensional spatial sieve structures.
  • a serial classification (sorting according to the grain shape) is carried out in at least two, preferably temporally and / or spatially successive classification processes taking into account one of three main dimensions (length a, width b, thickness c) of the particles.
  • the first and second classifying means can be formed by a first and second screening device, preferably arranged in a common housing or integrally formed in a classifying plane.
  • the particle motion in the form of the screen index and the corresponding particle size (e.g., particle length, particle width and particle thickness) to be screened will be used as a parameter for choosing suitable geometries of the apertures of the screens.
  • the classifying devices are screening devices such as circular, elliptical, linear or planar oscillators, ie vibrating screens with the aforesaid movement geometry or a screen surface that is inclined and preferably fixedly arranged as a classifying plane over which the particles are guided.
  • the screening device is preferably provided with passage openings (round hole or square hole) having a predetermined hole diameter or a mesh width, preferably in the form of a perforated plate or sieve.
  • a screening device made up of bars with a predetermined bar spacing or a long mesh fabric with a predetermined mesh spacing or a 3D rectangular hole covering is provided.
  • the classification can thus be carried out by screening devices with a two-dimensional or else with a three-dimensional mode of action or classifying plane.
  • classifying or double serial classification always means sorting according to the grain shape, which includes time-division and / or spatially separated classification according to at least two main geometric dimensions of the particles (maximum length, maximum width or maximum thickness) ,
  • the invention can be used e.g. easily produce bulk material that is tuned to uniformly defined particle geometries for very specific preferred applications or grades, e.g. when generating high-priced splinters.
  • the invention is based on the surprising finding that a high-quality sorting of particulate material according to the grain shape (serial classification) is possible by at least two classifications in combination on the basis of the geometric main dimensions of the particles (maximum length, maximum width, maximum thickness ).
  • At least two classifications can be carried out both in close temporal and / or spatial connection and neighborhood as well as with a large temporal and / or spatial distance.
  • Particles having a predetermined needle size can be produced by limiting the mean particle size (particle thickness) or the predetermined particle latency (limiting the smallest dimensions (thickness) of the particles).
  • the invention is applicable, for example, to the fractionation and quality improvement of chippings or ballast in the construction industry or in the provision of coal for blast furnaces or for the preparation of beds for fixed bed reactors as well as in the predisposition of particles for suspensions of coating materials.
  • the two-fold serial classification explained in more detail below, i. Determination of the particle shape on the basis of at least two main geometric dimensions of the particle 1, based on the aforementioned detection of the main dimensions of the particle and their procedural and device implementation.
  • the shape of the particle 1 can be completely detected by means of this detection of its extension in the three main axes x, z and y.
  • a feedstock consisting of particles 1 can be divided into two spatially and / or temporally successive classification steps sorted by serpentine (serially classified) so that two fractions with two significantly different particle shape characteristics ⁇ (a / b) are formed.
  • serpentine segregated
  • the classification variants with a double serial classification, ie sorting according to the grain shape corresponding to the main dimensions a, b or c are in Table 1 of Fig. 2 tabulated.
  • a sorting results according to the grain shapes: needleiness, cubicity or platiness as this Fig. 2 clarified.
  • Fig. 2 shows the combination of the different classification steps, ie a first classification (classifying step 1) and a subsequent second classification (classifying step 2) with the corresponding classification result and the description of the grain shape in each of these variants with an abbreviation in the right column of FIG Fig.
  • a sorting by the needlestry is made by a combination of first and second classification according to the main dimensions a and b and b and a (order), while sorting according to other main dimensions in different order each sorting by cubicity or platiness takes place like this Fig. 2 is apparent.
  • a sorting according to the grain shape is carried out on the basis of the main dimensions in the embodiments described here by one or more screening devices, wherein the configuration of the screening devices for fulfilling the respective sorting task of the particle shape sorting according to at least one of the main dimensions a, b or c, a particle movement and a Siebö Stammsgeometrie, ie a geometry of openings of the sieve device are considered as a parameter.
  • the particle movement is described by means of a measure which is formed by the ratio of the components of the acceleration force F a acting on a particle 1 and the weight F g acting perpendicular to a classifying plane of the screening device (screen plane).
  • S v sieving or throwing factor
  • Fig. 3 is the forces acting on a particle 1 equilibrium in the particle acceleration for the description / determination of possible forms of motion for a screening device 2 shown.
  • m p are a particle mass
  • ⁇ is the angle of attack of a sieve plane (classifying plane) or a classification lining of the sieve device 2
  • ⁇ is an angle of attack of an oscillating drive of the sieve device.
  • Fig. 4a and 4b the movement conditions of a round model body are shown in a throwing or sliding movement.
  • 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. 4b is shown.
  • the screening device 2 may preferably have a circular oscillation, an elliptical oscillation or a plan oscillation.
  • screening devices or screen coverings 2 with a two-dimensional opening geometry of passage openings (referred to herein as 2D screen coverings) and screen coverings with a three-dimensional geometry of the passage openings (referred to here as 3D screen coverings). Both geometries can also be connected in an (integral) screening device.
  • the opening geometries of the passage openings 3 are in FIG Fig. 5 shown. Assuming that the dimensions of the opening geometries should be the same in the x and y directions, the opening geometries can be a circular hole or a square hole. In the case of unequal dimensions of the opening geometry of the passage openings 3 in the x and y direction can be distinguished between a rectangular or an elliptical passage opening 3 (s. Fig. 5a to 5d ).
  • Fig. 6 possible opening geometries for a three-dimensional screen cover 2 ("3D screen cover") are shown. With the aid of a screen covering 2 having a three-dimensional opening geometry, it is possible to classify in principle according to the main dimension a (maximum size dimension, longitudinal dimension) or according to the main dimension c (maximum minimum dimension, thickness).
  • a square opening 3 is used, as shown in FIG Fig. 6a, 6b (Sectional view ( Fig. 6a ) and plan view ( Fig. 6b )) is shown.
  • a rectangular opening geometry is preferably provided for a passage opening 4 in the xz classification plane. In both cases, a distance w y decides on a passage of the particle 1 through the sieve geometry.
  • Fig. 7a When using a square opening geometry in the xz plane for classification according to the main dimension a of the particles 1, the particle 1 tilts into the xz plane via an edge 5, since it is forced with its .alpha Main dimension b (width) through the xz plane (class level) to fall. The particle 1 then impinges on a plane 6, which is formed by three-sided cutting and bending an opening defining the square opening of the passage opening during production of the screening device 2 from a perforated plate (see. Fig. 6 A dimension w min as a vertical dimension between the edge 5 and the plane 6 decides the probability of the passage of the particle 1. Only those particles 1 pass through the formed three-dimensional passage opening, the the assumption a ⁇ w min (see also Fig. 7b ), taking into account the particle center of gravity S, the direction of action of the waveform used (force action direction) and the prevailing friction conditions.
  • FIG. 8 An operation of the 3D screen geometry in a classification according to the main dimension a or according to the main dimension c is in Fig. 8 using the example of an ellipsoid with a>b> c shown.
  • Fig. 8 illustrates the function of a classification according to the main dimension a with three-dimensional opening geometry of the passage opening 3, in turn with a square opening geometry (see. Fig. 8a ) (In the xz-plane classification plane), the particles 1 (due to a position of its center of gravity S above the edge 5 w z) into tilts in the xz plane. Assuming that a> b, the particle 1 is forced with the Main dimension b (width) through the xz plane (class level) to fall. The particle 1 then impinges on the angled plane 6 and not only touches this partially cut and angled part of a forming the classifying perforated plate 2, but also touches the in Fig. 6b edge 5 designated by w z and the edges w x of the passage opening offset therefrom by 90 ° (cf. Fig. 6b ), ie the particle 1 is supported by three points of contact.
  • a dimension w min decides (cf. Fig. 8b ) as a vertical distance between the edge 5 (w z ) and the plane 6, the position of the center of gravity S, the coefficient of friction of the material pairing particles 1 / classifying or Siebbelag 2 and a direction of action of the oscillating mold used (when the screening device as a vibrating screen) about the passage of the particle 1 through the passage openings 3 of the screen. Only those particles 1 pass through the sieve geometry that fulfill the requirement c ⁇ w min (cf. Fig. 8b ).
  • the Fig. 9 and 10 illustrate in a three-dimensional, schematic representation, the behavior of the particles 1 in conjunction with different opening geometries of the screening device 2 for the two particle movements "glide” and “litter” (see. Fig. 4 ).
  • Fig. 11a, b illustrates in a schematic representation of the operating principle of the "double serial classification" with a first classification stage ( Fig. 11a ) for the classification according to a maximum length a, wherein a perforated plate 8 with a round passage opening 3 is shown schematically as a sieve device 2.
  • the diameter of the passage opening 3 is denoted by d hole , which determines the corresponding maximum length a of the particles 1, in the first classification stage.
  • the perforated plate 8 can by the in Fig. 12 elliptical, linear and plan oscillation excited to form a vibrating screen, said first classifying a second classification stage ( Fig.
  • a classification according to the particle thickness, ie in the direction of the smallest extent c (here denoted by c) takes place.
  • a classification by a bar grate 7 or a long mesh fabric may preferably be used as the screening device 2.
  • a bar spacing of the bar grate 7 is denoted by ⁇ s, which determines the corresponding main dimension c of the particles 1, in the second classification stage.
  • the classification variants relate in each case to the temporal and / or spatial sequence of the first and second classification step for a preferred two-fold serial classification as a function of the respective main dimension in the first and / or second classification step.
  • the procedural implementation possibilities for embodiments of the invention are dependent on the particle movement (throw or sliding, cf. Fig. 4 . 9 . 10 ) as well as the opening geometry for two-dimensional passages (Round hole, slot) or for three-dimensional opening geometries (3D square, 3D rectangle) selected.
  • the exemplary embodiments explained below are based on the abbreviation Fig. 2 (right column 5).
  • the particle 1 with S v1 and a round-hole sieve geometry exists only for a sliding movement in the first classifying step and for a throwing movement of the particles 1 with round hole geometry and S v > 1 when classifying according to the width during the second classifying in the area of two-dimensional opening geometries of the screening device 2, a preferred method option.
  • a serial classification according to the needlelessness but with the reverse order of the classifying steps ie first classification according to the width of the particles 1 (main dimension b) and subsequent classification according to the main dimension a (length)
  • Another classification variant RI classifies the particles according to the cubicity of the particles 1 in the combination classification according to the main dimension a (first classification) and subsequent classification according to the main dimension c (thickness; Fig. 1 ).
  • first classification first classification
  • main dimension c thinness; Fig. 1
  • the classification according to the Thickness in a throwing motion with slot geometry of the openings 3 preferably to achieve.
  • the design of the screening device 2 for the second classification step is also possible with the design of the screening device 2 for the second classification step as a three-dimensional opening geometry with rectangular passage openings 4 for a common sliding movement of the particles 1 in the first or second classification step.
  • a sliding movement in three-dimensional opening geometry in the first classifying step (classification according to main dimension a) for a throwing or sliding movement at square passage opening 3 preferably procedurally feasible, as well as the combination of three-dimensional opening geometries with square openings 3 in throwing or sliding movement of the particles. 1 with the same motion regime in the second classification step at rectangular openings 4 (see. Fig. 5 and 6 ).
  • a third element for the advantageous embodiment of the sorting method is the possibility of integrating the first classification and the second classification integrally with a common screening device (which permits the construction of compact sorting machines), taking into account the investigated parameters opening geometry of the Passage openings and particle movement (throwing or sliding) for an integral screening device, which can perform both classification steps in sections, basically only those configurations come into consideration that allow the use of the same waveform or excitation form for the particle transport in the classification level (same waveform).
  • the screening device 2 can also contain two classification regions for a first classification in the left region and a second classification in the right region of the screening device 2.
  • first and second classification can also be performed at great temporal or spatial distance by individual units (up to the manual execution in connection with small task quantities), whereby in the combination of the first and second classification always the desired sorting result according to the grain shape and, as desired, according to one of the three main dimensions of the particles is achieved.
  • the third classification may also be followed by a third classification according to the particle shape or a further sorting according to other particle properties or parameters, which may be of importance particularly for particle mixtures of different materials.
  • a fractionation or this fractionation is combined with the first classification step.
  • the two-fold serial classifying can thus be integrated in process guides of another type, in continuous or interrupted, section-wise process management.
  • Fig. 14 is again corresponding to the representation of the principle of action of the "two-fold serial classification" for "fractionation" of the particulate feed material 1 in a needle, cubic or platy "fraction” schematically a screening device 2 with a perforated plate 8 as a screening device 2 in the first classification stage (classification in Length classes) and subsequently a bar grate 7 as screening device 2 in the second classification stage for classification in thickness classes, so that the result is a sorting according to the cubicity (classification according to the main dimensions a and c), wherein the screening device 2 excited here via a linear oscillator becomes.
  • Fig. 15 schematically illustrates a procedural model with task and classification in length classes in the first classification stage and classification in thickness classes in the second classification stage to obtain a non-cubic fraction in Siebunterlauf, while in the Sieboberlauf a cubic fraction is obtained, which is optionally fed to a further classification.
  • the first classification step also serves to minimize the grain size influence, which often superimposes the grain shape effect and thus the sorting effect in a negative manner, so that the first classification stage at the same time a fractionation of the feed material 1 (here in two fractions) acts.
  • sorting machines each differing in their sorting according to the needles, cubicity or platiness and depending on the design with implementation of the first and second Classing step on a screening device 2 or on two separate screening devices 2.
  • Fig. 16 to 18 illustrate a sorting machine 10 for sorting by the Nadeltechnik, ie according to the dimensions a and b, wherein both Klassier suitse on a deck, that is performed with an integral screening device 2.
  • the screening devices 2 in the sorting machine or sorting device 10 which are located in a housing 11 which is spring-loaded via support springs 12, in this case have 3D square holes 3 in connection with round holes 13 of a perforated plate 8.
  • 3D square holes 3 There are three fractions in the area of the first classifying step (3D square holes 3) provided, with a material task is provided at 14.
  • sorting machine 10 consists of three superimposed classification levels for coarse, middle and fine material.
  • the screening device 2 forms a screening surface for the longitudinal dimension a of the particles 1.
  • the round holes 13 are used to classify them according to the particle width b.
  • a further embodiment of a sorter or sorting machine 10 according to the Nadeltechnik is shown schematically, in which case the first and second Klassiertreatment are separated from each other and on two decks, ie two separate for each fraction screening devices 2 is performed.
  • sieve devices 2 designed as perforated plate 8 are used in the first and second classification stage.
  • FIGS. 22 to 24 is a sorting machine 10 or sorting device 10 for sorting by cubicity shown in a schematic representation.
  • the integral screening device 2 is in this case formed as a perforated plate 8 in conjunction with a bar grate 7. Again, three fractions are formed and there is first a sorting in coarse, medium and fine material by cubicity, so that discharge 26 non-cubic material, can be formed and discharged in the discharge 27 cubic material in bringing together the three fractions.
  • FIG. 28 to 30 a corresponding representation in the Fig. 28 to 30 for sorting into three size fractions after the plate with a perforated plate and 3D rectangular openings in the first and second classifying step by means of an integral unitary screening device 2, while in the FIGS. 31 to 33 a sorting for the slabiness is shown by distributing the first and second classifying step to two separate screening devices 2.
  • the invention makes possible an advantageous sorting of particles according to the particle shape, which leads to much more efficient sorting processes and optimized or perfect leads to new material properties. For example, a significantly improved packing density as well as isotropy or anisotropy can be achieved when using suitable presorted particles.
  • the processability or reactivity of particles can also be modified.
  • the eligibility of materials can be significantly improved if previously preceded by an advantageous sorting of particles according to the invention.
  • the invention is used, inter alia, but not exclusively, for sorting processes in agriculture, such as in the harvesting 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

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EP09014496.5A 2008-02-04 2008-02-04 Verfahren und Vorrichtung zum Sortieren von Partikeln Not-in-force EP2156903B1 (de)

Priority Applications (2)

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EP09014496.5A EP2156903B1 (de) 2008-02-04 2008-02-04 Verfahren und Vorrichtung zum Sortieren von Partikeln
PL09014496T PL2156903T3 (pl) 2008-02-04 2008-02-04 Sposób i urządzenie do sortowania cząstek

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EP08002067.0A EP2085150B1 (de) 2008-02-04 2008-02-04 Verfahren und Vorrichtung zum Sortieren von Partikeln
EP09014496.5A EP2156903B1 (de) 2008-02-04 2008-02-04 Verfahren und Vorrichtung zum Sortieren von Partikeln

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EP2156903A1 EP2156903A1 (de) 2010-02-24
EP2156903B1 true EP2156903B1 (de) 2013-12-04

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EP09014496.5A Not-in-force EP2156903B1 (de) 2008-02-04 2008-02-04 Verfahren und Vorrichtung zum Sortieren von Partikeln
EP09014497.3A Not-in-force EP2156904B1 (de) 2008-02-04 2008-02-04 Verfahren und Vorrichtung zum Sortieren von Partikeln

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US (1) US20110031169A1 (ja)
EP (3) EP2085150B1 (ja)
JP (1) JP5453317B2 (ja)
CN (1) CN101952054B (ja)
AU (1) AU2009211837B2 (ja)
BR (1) BRPI0905947A2 (ja)
CA (1) CA2712839C (ja)
ES (3) ES2419980T3 (ja)
MX (1) MX2010007904A (ja)
PL (3) PL2156904T3 (ja)
WO (1) WO2009098013A2 (ja)
ZA (1) ZA201005131B (ja)

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JP5871838B2 (ja) * 2013-02-28 2016-03-01 東邦チタニウム株式会社 金属選別装置および同選別装置を用いた異形金属の選別方法
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CN103934191B (zh) * 2014-03-11 2015-09-30 哈尔滨工程大学 用于不同石料分离的双作用筛分装置
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BE1024079B1 (fr) * 2015-09-07 2017-11-13 Pharma Technology S.A. Dispositif de separation de cassons de particules desdites particules
WO2017083249A1 (en) * 2015-11-13 2017-05-18 3M Innovative Properties Company Method of shape sorting crushed abrasive particles
CN105642557A (zh) * 2016-03-31 2016-06-08 中国农业大学 一种玉米种子精选分级方法
CN106391478A (zh) * 2016-08-29 2017-02-15 湖州新开元碎石有限公司 一种建设用碎石、卵石片状颗粒筛分装置
CN109647694A (zh) * 2018-11-29 2019-04-19 顾健健 一种茶叶成型分选装置及茶叶成型分选工艺方法
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CA2712839A1 (en) 2009-08-13
AU2009211837A1 (en) 2009-08-13
ZA201005131B (en) 2011-09-28
PL2085150T3 (pl) 2013-10-31
BRPI0905947A2 (pt) 2019-08-27
US20110031169A1 (en) 2011-02-10
AU2009211837B2 (en) 2012-08-02
CA2712839C (en) 2014-04-01
MX2010007904A (es) 2010-11-25
EP2156904A1 (de) 2010-02-24
WO2009098013A2 (de) 2009-08-13
ES2449484T3 (es) 2014-03-19
PL2156903T3 (pl) 2014-04-30
CN101952054B (zh) 2014-08-20
EP2156903A1 (de) 2010-02-24
EP2156904B1 (de) 2013-12-11
JP2011510812A (ja) 2011-04-07
EP2085150A1 (de) 2009-08-05
CN101952054A (zh) 2011-01-19
ES2448428T3 (es) 2014-03-13
EP2085150B1 (de) 2013-05-15
WO2009098013A3 (de) 2010-03-25
PL2156904T3 (pl) 2014-04-30
ES2419980T3 (es) 2013-08-21

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