EP3917690B1 - Système de tamis vibrant constitué d'au moins deux machines de tamisage agencées en rangée - Google Patents

Système de tamis vibrant constitué d'au moins deux machines de tamisage agencées en rangée Download PDF

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Publication number
EP3917690B1
EP3917690B1 EP20704778.8A EP20704778A EP3917690B1 EP 3917690 B1 EP3917690 B1 EP 3917690B1 EP 20704778 A EP20704778 A EP 20704778A EP 3917690 B1 EP3917690 B1 EP 3917690B1
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EP
European Patent Office
Prior art keywords
screening
machine
vibrating
machines
screening machine
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.)
Active
Application number
EP20704778.8A
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German (de)
English (en)
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EP3917690A1 (fr
Inventor
Jörg Halladin
Simon SCHMEINK
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.)
Spaleck GmbH and Co KG
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Spaleck GmbH and Co KG
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Publication of EP3917690A1 publication Critical patent/EP3917690A1/fr
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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
    • 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
    • B07B1/005—Transportable screening plants
    • 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
    • B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
    • 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
    • B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • 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 present invention relates to a vibrating screen system, consisting of at least two screening machines arranged in a row that can be made to oscillate, each screening machine having a screening material input end and a screening material discharge end, and each screening machine having a resilient bearing point in the area of its screening material input end and in the area of its screening material discharge end.
  • the document DE 85 12 051 U1 shows a screening device with a vibrating support structure, which is supported on springs on the ground and has a vibration exciter.
  • the support structure consists of two side panels connected by first cross members, which primarily perform a circular oscillation, and of second cross members, which are connected to the support structure via springs and which oscillate elliptically or in the longitudinal direction, and between each first and second cross member an elastic screen mat is located.
  • the screening device can be set up at an incline so that a sufficient conveying speed and a corresponding dwell time of the screenings on the screen can be achieved.
  • the document DE 10 2012 206 347 A1 shows a screening device with a base frame that can be set in motion, which consists of two side walls connected by first cross beams, and with an additional frame that is connected to the base frame via spring elements, which is formed from two side beams arranged parallel to the side walls and connected by second cross beams, wherein in Seen longitudinally of the screening device first and second crossbeams alternate with one another, with flexible screen mats forming a screen surface being clamped between a respective first and second crossbeam and with the additional frame being divided into at least two additional frame sections in the longitudinal direction.
  • the screening device seen in its longitudinal direction, has at least two screening sections arranged one behind the other with a different orientation relative to the horizontal, that each screening section is assigned its own additional frame section and that each screening section, in addition to the different orientation relative to the horizontal, differs in at least one further screening parameter of differs from the other wire section(s).
  • each screening section is assigned its own additional frame section and that each screening section, in addition to the different orientation relative to the horizontal, differs in at least one further screening parameter of differs from the other wire section(s).
  • a disadvantage of the known state of the art is that the individual screening machines and even more so row arrangements of several screening machines often have a very large overall length, which makes the transport of the screening machines or vibrating screen systems from the manufacturer to the place of use complex and expensive and which requires a lot of space at the place of use.
  • the object of the present invention is therefore to create a vibrating screen system of the type mentioned above which avoids the disadvantages mentioned and which in particular simplifies transport from the manufacturer to the place of use and which requires less space at the place of use.
  • the document DE 1201160 B discloses a vibrating screen installation according to the preamble of claim 1, it shows a screening train made up of several coupled two-mass vibrating screens, each of which consists of a base frame and a screen frame with a screen bottom.
  • the screen frames are connected to crossbeams and the crossbeams are attached in the middle of the screen frame and can be moved by means of a plurality of surrounding storage springs in the two cheeks of the base frame to adjust the inclination of the screen frame to the horizontal, and the screen frames are also connected by means of coupling links can be connected to each other at different inclinations to the horizontal.
  • a vibrating screen system of the type mentioned at the outset which is characterized in that all bearing points of the last screening machine in the row of screening machines, seen in the direction of conveyance of the screenings to be screened, are supported on the substructure, that the ones in the area of the screenings feed end of the/each additional the bearing point provided for the screening machine is also supported on the subsurface and that the bearing point provided in the area of the screenings discharge end of the/each additional screening machine is not supported on the base (5) but in the area of the screenings feed end of the following screening machine in the screenings conveying direction.
  • the distance between the individual screening machines can be reduced in the vibrating screen system according to the invention and the size of the overall system can be reduced as a result.
  • the total weight of the vibrating screen system is reduced and thus its energy efficiency is increased.
  • only a reduced number of bearing points to the underground is required, which leads to less effort in the design and production of underground bearing foundations.
  • the oscillating screening plant according to the invention has a reduced sensitivity of the individual screening machines to the load caused by the material to be screened, since the screening machines can transfer kinetic energy to one another. This is particularly advantageous when heavy screening material is unevenly distributed.
  • the first screening machine in the series does not have to carry the load of a predecessor on the feed side, it has a higher conveying capacity, which benefits faster distribution of the screenings and reduces sensitivity to overload. Due to the fact that the last screening machine in the screening material conveying direction is not excited on the delivery side by the upstream neighboring screening machine, the last screening machine in the series has little amplitude at its screening material delivery end, so that there is a smaller distance when it is transferred to a subsequent next one component of a screened material treatment plant becomes possible.
  • the screenings discharge end of screening machines lying in front of the last screening machine, viewed in the screening material conveying direction is arranged above the screening material feed end of the following screening machine in the screening material conveying direction. Due to this arrangement, no additional means are usually required for transferring the material to be screened, which is a further contribution to a weight-saving design of the vibrating screen system.
  • the step between the individual screening machines can be set and adjusted at different heights according to needs.
  • the material to be screened is advantageously loosened during the transfer by falling over a certain distance and hitting the screening material feed area of the following screening machine.
  • a screenings transfer chute can be arranged between the screenings discharge end of screening machines located in front of the last screening machine and the following screening machine in screenings conveying direction, or at the screenings discharge end of each screening machine.
  • the screenings transfer chute can advantageously be short and therefore light.
  • the invention further proposes that all bearing points are each formed by a spring arrangement and that the spring arrangement of the bearing point provided in the area of the screenings discharge end of the/each additional screening machine and the spring arrangement of the bearing point provided in the area of the screenings discharge end of the following screening machine in the direction of conveyance of the screenings are arranged flush one above the other are. This achieves both a mechanically simple arrangement and favorable vibration properties.
  • the screening machines of the oscillating screening plant can be designed differently from one another if the screening tasks to be processed with the oscillating screening plant require this or make this expedient.
  • a basic structure, i.e. an essential part, of the individual screening machines can still be designed in the same way, so that here too an economical modular production and construction can still be achieved.
  • the screening machines of the vibrating screening plant be designed with screens with different mesh sizes from screening machine to screening machine and/or that blind zones and/or distribution cones and/or material flow divisions be attached to the screening machines are.
  • the screen mesh size can increase from screening machine to screening machine, viewed in the conveying direction of the screenings.
  • each screening machine of the vibrating screen system is preferably assigned at least one vibrating drive of its own.
  • each vibrating drive be individually adjustable and operable in terms of its speed and/or its vibration angle and/or its vibration amplitude and/or its phase angle and/or its vibration shape. This enables flexible, individual adaptation to different materials to be screened and screening tasks during operation of the vibrating screen system, and thus optimization of the screening result.
  • FIG. 1 shows a first vibrating screen 1 in a schematic side view.
  • the vibrating screen 1 consists here of three arranged in series, using at least each of an associated oscillating drive 20, 30, 40 vibrating screening machines 2, 3, 4.
  • the oscillating drives 20, 30, 40 are of a type known per se and z. B. executed with rotating unbalanced masses, as shown in the drawing.
  • Each oscillating drive 20, 30, 40 can preferably be individually adjusted and operated in terms of its speed and/or its oscillation angle and/or its oscillation amplitude and/or its phase angle and/or its oscillation form in order to optimally adapt the vibrating screen system 1 to different screening materials and tasks be able.
  • Each screening machine 2, 3, 4 has an in figure 1 sieve material feed end 21, 31, 41 on the right and sieve material discharge end 24, 34, 44 on the left. Screened material can be conveyed over the vibrating screen system 1 in the screening material conveying direction 10 indicated by an arrow.
  • the screening machines 2, 3, 4 each have at least one flat screen, not visible here, running perpendicular to the surface plane of the drawing, with a definable screen mesh width, through which, during operation of the vibrating screen system, those particles of the screening material that can fall through the screening mesh are screened out of the screening material will.
  • each screening machine 2, 3, 4 has a resilient bearing point 22, 25; 32, 35; 42, 45 on. All bearing points 22 , 25 of the last screening machine 2 in the row of screening machines 2 , 3 , 4 seen in the conveying direction 10 to be screened are supported on the substructure 5 .
  • the bearing point 32 , 42 located in the area of the screenings feed end 31 , 41 of each additional screening machine 3 , 4 is also supported on the substructure 5 .
  • the bearing point 35, 45 provided in the area of the screenings discharge end 34, 44 of each additional screening machine 3, 4 is not supported on the substructure 5, but in the area of the screenings discharge end 21, 31 of the following screening machine 2, 3 in the screenings conveying direction 10.
  • All bearings 22, 25; 32, 35; 42, 45 are here each by a spring assembly 23, 26; 33, 36; 43, 46 formed.
  • the spring arrangement 36, 46 of the bearing point 35, 45 provided in the area of the screening material discharge end 34, 44 of each additional screening machine 3, 4 and the spring arrangement 23, 33 of the screening machine 2, 3 provided bearing point 22, 32 aligned one above the other.
  • the spring assemblies 23, 26; 33, 36; 43, 46 consist, for example, of steel or elastomer or air springs.
  • the sieve material delivery end 34 , 44 of the sieve machines 3 , 4 lying in front of the last sieve machine 2 seen in the sieve material conveying direction 10 is arranged above the sieve material delivery end 21 , 31 of the sieve machine 2 , 3 following in the sieve material conveying direction 10 .
  • the step between the individual screening machines 2, 3, 4 can be adjusted according to needs by attaching the elements of the spring assemblies 36, 46 at different heights.
  • the use of spring arrangements 36, 46 having a length adjustability is also possible for this purpose.
  • the angle of inclination of the screening machines 2, 3, 4 relative to the horizontal and the angle between the individual screening machines 2, 3, 4 can be changed by changing the height of the bearing points 22, 25; 32, 35; 42, 45 can be set and adjusted relative to the base 5 according to the needs.
  • All the screening machines 2, 3, 4 of the vibrating screening plant 1 can be designed to be identical to one another, which enables a simple modular design with a different number of screening machines as needed.
  • the screening machines 2, 3, 4 of the vibrating screen 1 can be designed differently from one another.
  • the screening machines 2, 3, 4 of the vibrating screening plant 1 can be designed with screens with different screen mesh sizes from screening machine 2, 3, 4 to screening machine 2, 3, 4 and/or the screening machines 2, 3, 4 can have blind zones and/or or distribution cones and/or material flow divisions can be provided, which are covered in the drawing and therefore not visible or which, since they are known per se, are not shown separately.
  • screenings are fed onto the screenings feeding end 41 of the figure 1 first, arranged on the right screening machine 4, z. B. by means of a conveyor belt.
  • the screenings are conveyed in the conveying direction 10 through the screens of the screening machine, portions of the screenings that are screened fall down and are caught and/or transported away by suitable devices that are not specifically shown here.
  • a screenings residue consisting of larger screenings parts that do not fit through the screen mesh.
  • figure 2 shows a second vibrating screen 1 with three screening machines 2, 3, 4 arranged in a row, also in a schematic side view.
  • the vibrating screen plant 1 after figure 2 differs from the vibrating screen 1 described above figure 1 in that a screening material transfer chute 27, 37, 47 is arranged at the screening material discharge end 24, 34, 44 of all screening machines 2, 3, 4, which prevents screening material loss into the environment, particularly when light screening material is being processed.
  • the vibrating screen 1 corresponds to figure 2 according to the vibrating screen installation 1 described above figure 1 , whose description is therefore referred to.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Jigging Conveyors (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Claims (9)

  1. Système de tamis vibrant (1) constitué d'au moins deux machines de tamisage (2, 3, 4) agencées en rangée et pouvant être mises en vibration, chaque machine de tamisage (2, 3, 4) présentant une extrémité de chargement de produit à tamiser (21, 31, 41) et une extrémité de déchargement de produit à tamiser (24, 34, 44), et chaque machine de tamisage (2, 3, 4) présentant respectivement dans la zone de son extrémité de chargement (21, 31, 41) et dans la zone de son extrémité de déchargement (24, 34, 44) un point d'appui élastique (22, 25, 32, 35, 42, 45),
    tous les points d'appui (22, 25) de la dernière machine de tamisage (2) dans la rangée des machines de tamisage (2, 3, 4), vu dans le sens de convoyage du produit à tamiser (10), s'appuyant sur le fond (5),
    le point d'appui (32, 42) prévu dans la zone de l'extrémité de chargement de produit à tamiser (31, 41) de ladite/de chaque autre machine de tamisage (3, 4) s'appuyant également sur le fond (5),
    caractérisé en ce
    que le point d'appui (35, 45) prévu respectivement dans la zone de l'extrémité de déchargement du produit à tamiser (34, 44) de ladite / de chaque autre machine de tamisage (3, 4) s'appuie sur la machine de tamisage (2, 3) suivante dans le sens de convoyage du produit à tamiser (10), dans la zone de l'extrémité de chargement du produit à tamiser (21, 31).
  2. Système de tamis vibrant (1) selon la revendication 1, caractérisé en ce que l'extrémité de déchargement du bien à tamiser (34, 44) de machines de tamisage (3, 4) situées avant la dernière machine de tamisage (2), vu dans le sens de convoyage du produit à tamiser (10), est agencée respectivement au-dessus de l'extrémité de chargement du produit à tamiser (21, 31) de la machine de tamisage (2, 3) suivante dans le sens de convoyage du produit à tamiser (10).
  3. Système de tamis vibrant (1) selon la revendication 1 ou 2, caractérisé en ce qu'une goulotte de déchargement de produit à tamiser (27, 37, 47) est respectivement agencée entre l'extrémité de déchargement du bien à tamiser (34, 44) de machines de tamisage (3, 4) situées avant la dernière machine de tamisage (2), vu dans le sens de convoyage du produit à tamiser (10), et la machine de tamisage (2, 3) suivante dans le sens de convoyage du produit à tamiser (10), ou à l'extrémité de déchargement de produit à tamiser (24, 34, 44) de chaque machine de tamisage (2, 3, 4).
  4. Système de tamis vibrant (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que tous les points d'appui (22, 25, 32, 35, 42, 45) sont respectivement formés par un agencement de ressorts (23, 26, 33, 36, 43, 46) et que respectivement ledit agencement de ressorts (36, 46) du point d'appui (35, 45) prévu dans la zone de l'extrémité de déchargement (34, 44) de ladite / de chaque autre machine de tamisage (3, 4) et l'agencement de ressorts (23, 33) du point d'appui (22, 32) prévu dans la zone de l'extrémité de chargement du produit à tamiser (21, 31) de la machine de tamisage (2, 3) suivante dans le sens de convoyage du produit à tamiser (10) sont agencés l'un au-dessus de l'autre dans l'alignement l'un de l'autre.
  5. Système de tamis vibrant (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que toutes les machines de tamisage (2, 3, 4) dudit système de tamis vibrant (1) sont réalisées identiques les unes aux autres.
  6. Système de tamis vibrant (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les machines de tamisage (2, 3, 4) du système de tamis vibrant (1) sont réalisées différentes les unes des autres.
  7. Système de tamis vibrant (1) selon la revendication 6, caractérisé en ce que les machines de tamisage (2, 3, 4) du système de tamis vibrant (1) sont réalisées avec des tamis ayant des largeurs de mailles de tamis différentes d'une machine de tamisage (2, 3, 4) à l'autre machine de tamisage (2, 3, 4), et/ou en ce que des zones aveugles et/ou des cônes de répartition et/ou des séparations de flux de matériau sont prévus sur les machines de tamisage (2, 3, 4).
  8. Système de tamis vibrant (1) selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'au moins un entraînement de vibration (20, 30, 40) propre est associé à chaque machine de tamisage (2, 3, 4).
  9. Système de tamis vibrant (1) selon la revendication 8, caractérisé en ce que chaque entraînement de vibration (20, 30, 40) peut être réglé et exploité individuellement en ce qui concerne sa vitesse de rotation et/ou son angle de vibration et/ou son amplitude d'oscillations et/ou son angle de phase et/ou sa forme de vibration.
EP20704778.8A 2019-01-31 2020-01-28 Système de tamis vibrant constitué d'au moins deux machines de tamisage agencées en rangée Active EP3917690B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019102436.6A DE102019102436A1 (de) 2019-01-31 2019-01-31 Schwingsiebanlage, bestehend aus wenigstens zwei in Reihe angeordneten Siebmaschinen
PCT/EP2020/025034 WO2020156757A1 (fr) 2019-01-31 2020-01-28 Système de tamis vibrant constitué d'au moins deux machines de tamisage agencées en rangée

Publications (2)

Publication Number Publication Date
EP3917690A1 EP3917690A1 (fr) 2021-12-08
EP3917690B1 true EP3917690B1 (fr) 2023-01-18

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ID=69570615

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20704778.8A Active EP3917690B1 (fr) 2019-01-31 2020-01-28 Système de tamis vibrant constitué d'au moins deux machines de tamisage agencées en rangée

Country Status (5)

Country Link
US (1) US11766698B2 (fr)
EP (1) EP3917690B1 (fr)
DE (1) DE102019102436A1 (fr)
ES (1) ES2939510T3 (fr)
WO (1) WO2020156757A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1201160B (de) * 1965-04-22 1965-09-16 Kurt Mueller Siebstrasse aus mehreren, aneinandergekoppelten Zweimassen-Schwingsieben
US4147256A (en) * 1978-01-09 1979-04-03 Kiss Howard M Worm harvesting apparatus and method
DE3139279A1 (de) * 1981-10-02 1983-04-21 Klöckner-Humboldt-Deutz AG, 5000 Köln Schwingmaschine zum sieben und/oder foerdern, insbesondere einmassen-freischwinger-maschine
DE8512051U1 (de) 1985-04-23 1985-08-01 Binder & Co AG, Gleisdorf, Steiermark Siebvorrichtung
ATE65434T1 (de) * 1987-11-13 1991-08-15 Inst Tscherna Metalurgia Vibrationssieb.
DE102012206347B4 (de) 2012-04-18 2014-09-04 Spaleck Gmbh & Co Kg Siebvorrichtung
FR3003777B1 (fr) * 2013-03-28 2016-12-09 Rene Brunone Crible comprenant une pluralite de plateaux empiles, et des moyens d'ecartement vertical des plateaux les uns par rapport aux autres
DE102019102428A1 (de) * 2019-01-31 2020-08-06 Spaleck GmbH & Co. Kommanditgesellschaft Siebmaschine mit in Reihe angeordneten Siebelementen

Also Published As

Publication number Publication date
EP3917690A1 (fr) 2021-12-08
WO2020156757A1 (fr) 2020-08-06
US20220097101A1 (en) 2022-03-31
ES2939510T3 (es) 2023-04-24
DE102019102436A1 (de) 2020-08-06
US11766698B2 (en) 2023-09-26

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