EP2470303B1 - Device for shearing or shredding and grinding material - Google Patents

Device for shearing or shredding and grinding material Download PDF

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Publication number
EP2470303B1
EP2470303B1 EP10762973.5A EP10762973A EP2470303B1 EP 2470303 B1 EP2470303 B1 EP 2470303B1 EP 10762973 A EP10762973 A EP 10762973A EP 2470303 B1 EP2470303 B1 EP 2470303B1
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EP
European Patent Office
Prior art keywords
crusher
shearing
rotor
shredding
crushing
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
EP10762973.5A
Other languages
German (de)
French (fr)
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EP2470303A1 (en
Inventor
Arnaud Becker
Caroline Becker
Catherine Becker
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.)
Luxerd SA
Original Assignee
Becker Arnaud
Becker Caroline
Becker Catherine
Luxerd SA
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
Application filed by Becker Arnaud, Becker Caroline, Becker Catherine, Luxerd SA filed Critical Becker Arnaud
Publication of EP2470303A1 publication Critical patent/EP2470303A1/en
Application granted granted Critical
Publication of EP2470303B1 publication Critical patent/EP2470303B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/282—Shape or inner surface of mill-housings
    • B02C13/284—Built-in screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/286—Feeding or discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/286—Feeding or discharge
    • B02C2013/28609—Discharge means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/286—Feeding or discharge
    • B02C2013/28618—Feeding means
    • B02C2013/28627—Feeding means of ram or pusher type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/286—Feeding or discharge
    • B02C2013/28618—Feeding means
    • B02C2013/28672—Feed chute arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C2018/147—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers of the plural stage type

Definitions

  • the present invention relates to the field of the treatment of materials of all origins, in particular by shearing or shredding beforehand, then by grinding, by means of rotary shears, or the like, and crushers or mills with hammers or with fixed or movable knives, and relates to a compact device for shearing or shredding and grinding of products to be ground.
  • the recovery of metal products from spent objects, especially motor vehicles, by crushers or grinders is generally carried out by introducing the objects into a hammer mill, via a introduction ramp equipped with a crushing drum; said hammer mill tears and shreds the material entering, by interaction with one or more anvils, and ejects and / or discharges through screen walls obtained metal waste having a given size. This waste is then treated for disposal of unsuitable materials for reuse and sorting of the remaining materials according to their metallurgical characteristics.
  • Hammer mills known to date whose hammers are generally mounted on a rotor constituted by a disk assembly and are eclipsable in the rotor generally allow a correct grinding of the products to a predetermined density.
  • Such pre-treatment is generally carried out in plants downstream of the grinding site, the scrap being first precut by means of shears and then being transported to said grinding site.
  • compact crushers known to date, generally do not allow the treatment of large products, such as motor vehicles, even after prior shearing, the opening of their grinding chamber to be dimensioned at least equal to the length of the sheared products.
  • the present invention aims to overcome these disadvantages by providing a shearing device or shredding and grinding of products to be grinded to achieve the complete processing of products to be milled in a single site and without intermediate transport, while avoiding the implementation a heavy, complex and cumbersome installation.
  • the invention aims to improve this known device, in particular by further reducing its size.
  • FIG. 1 of the accompanying drawings represents a shearing or shredding device and crushing products to grind, which is essentially constituted by a feed chute 1 provided with a shearing means or shredding 2 and a mill 3 rotor 4 disposed under said means of shearing or shredding 2 and communicating with the latter through a transverse opening 5.
  • this device is compact and the longitudinal axis of the rotor mill 3 is perpendicular to the longitudinal axis of the shearing or shredding means 2.
  • the entire device according to the invention has an extremely small footprint.
  • the mill 3 rotor 4 communicates directly with the shearing means or shredding 2, through its transverse opening 5.
  • the opening 5 is disposed directly under the parallel shredding drums 2 ' average 2.
  • the effective diameter of the rotor 4 of the mill 3 is substantially equal to the length of the shearing or shredding means 2.
  • the rotor 4 of the mill 3 may be of short length, namely of reduced length, equal to the width of the transverse opening 5 of communication between the rotor 4 of the mill 3 and the shearing or shredding means 2.
  • the sheared or shredded products enter directly, by gravity, into the mill 3 for grinding final.
  • the mill 3 rotor 4 is a horizontal longitudinal axis mill or a longitudinal axis mill inclined relative to the horizontal, the feed being performed by a progressive penetration of the material from the shearing means or shredding 2 , in the mill inlet.
  • the feed chute 1 is preferably inclined to facilitate feeding the shearing means or shredder 2 by gravity and the rotor 4 of the mill 3 is provided with hammers and / or retractable cutting tools or fixed. Furthermore, the drive of the rotor 4 of the mill is advantageously carried out by means of a drive device as described in the French patent application no. 09 53208 .
  • the shearing or shredding means 2 is advantageously in the form of a shredder comprising parallel shredding drums 2 ', in a sense identical or opposite rotation, synchronous speed or not, and causing the materials to be treated in the direction of the transverse opening 5 of communication between the rotor 4 of the mill 3 and the shearing or shredding means 2.
  • a prior dimensional reduction so that the mill 3 rotor 4 may have reduced dimensions compared to mills traditionally implemented.
  • the inlet of the mill 3 is advantageously equipped, under the shearing or shredding means 2, with a tilting crushing element 6 by means of a jack 7.
  • This crushing element 6 is represented in the form of a crusher flap provided with gears or wheels provided with drive profiles, but may also be in the form of a crusher drum (not shown), mounted on a tilting frame, or in the form of a slider with motion alternative.
  • the crushing element 6 makes it possible to direct the material to be grinded towards the inlet of the mill 3.
  • the provision of an embodiment in the form of a crushing element makes it possible to optimize the forcing effect of the material towards the crushing element. inside the mill 3 and in particular to optimize the feeding of the latter.
  • this element 6 can also serve as an ejection valve uncrushable, for example by tilting outwards, out of its service position as shown in FIG. figure 2 .
  • the calibration grid 7 fitted to the mill 3 is advantageously arranged in an inclined manner, laterally outside the right-of-way of the shearing or shredding means 2, and is pivotally mounted on the grinding chamber comprising the densification bars or lower grids disposed in the crusher housing 3, thus being able to serve as an ejection hatch uncrushable.
  • the housing of said mill 3 comprising the densification bars or lower grids is advantageously constituted by two half-shells 9 mounted on the frame of the mill 3, pivotally under the action of jacks Hydraulic 10.
  • the rotor 4 of the mill 3 becomes fully accessible, so that maintenance is greatly facilitated.
  • the mill 3 may be equipped with two ejection flaps or symmetrical grids permitting indifferently the implementation of a reversible rotor.
  • these densification bars or lower grids may have openings of different sections, so that by simply reversing the direction of rotation, it is possible to obtain different densities of material.
  • the crushing chamber of the mill 3 is judiciously provided, in addition to screening screens, anvils, counter-tools, shock screens and ejection valves not shown in detail and known per se.
  • the shearing or shredding means 2 and the mill 3 with hammers and / or cutting tools can advantageously be mounted on a common frame.
  • the assembly thus produced can be very compact and can be mounted on a trailer, so that it becomes mobile.
  • the device according to the invention advantageously comprises a feed chute 1 subdivided into a fixed part integral with the common frame and in a movable part, not shown, mounted to articulate on said common frame and actuated in pivoting by means of a cylinder (not shown).
  • a feed chute 1 subdivided into a fixed part integral with the common frame and in a movable part, not shown, mounted to articulate on said common frame and actuated in pivoting by means of a cylinder (not shown).
  • the feed chute 1 comprises a movable portion hingedly mounted on the common frame, the loading will be performed on this movable part, advantageously tilted horizontally. Then, the mobile part is tilted in its position in prolongation of the fixed part and the products therein will be moved, by gravity or with the aid of the crushing roller forming the compacting and feeding means, towards the means shearing or shredding 2. The products are then shredded, and enter the crushing chamber of the mill 3 for their final reduction.
  • a compact device which can be mounted on a mobile frame, such as a trailer or the like, and whose crusher can be of reduced dimensions, limited to those of the feed opening connecting it by means of shearing or shredding, so that the power required for its operation is also reduced.
  • the present invention has an ecological and economic interest, because it allows the reduction of transport costs of treated products, only finished and densified products, that is to say that can be directly implemented, for example in a steel plant, being taken back to be transported to another site, so that the load breaks are avoided.
  • the mill may be, in a known manner, a single or reversible milling mill with lateral or central feed. It follows that it can easily be manufactured a multifunctional mobile machine, that is to say shearing with compacting and subsequent grinding.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)

Description

La présente invention concerne le domaine du traitement de matériaux de toutes origines, en particulier par cisaillage ou déchiquetage préalable, puis par broyage, au moyen de cisailles rotatives, ou analogues et de concasseurs ou de broyeurs à marteaux ou à couteaux fixes ou mobiles, et a pour objet un dispositif compact de cisaillage ou déchiquetage et de broyage de produits à broyer.The present invention relates to the field of the treatment of materials of all origins, in particular by shearing or shredding beforehand, then by grinding, by means of rotary shears, or the like, and crushers or mills with hammers or with fixed or movable knives, and relates to a compact device for shearing or shredding and grinding of products to be ground.

La récupération de produits métalliques à partir d'objets hors d'usage, en particulier de véhicules automobiles, au moyen de concasseurs ou de broyeurs, s'effectue généralement par introduction des objets dans un broyeur à marteaux, par l'intermédiaire d'une rampe d'introduction équipée d'un tambour écraseur ; ledit broyeur à marteaux arrache et déchiquette la matière y entrant, par interaction avec une ou plusieurs enclumes, et éjecte et/ou évacue à travers des parois criblantes les déchets métalliques obtenus présentant un calibre déterminé. Ces déchets sont ensuite traités en vue d'une élimination des matières impropres à la réutilisation et d'un tri des matières restantes en fonction de leurs caractéristiques métallurgiques.The recovery of metal products from spent objects, especially motor vehicles, by crushers or grinders, is generally carried out by introducing the objects into a hammer mill, via a introduction ramp equipped with a crushing drum; said hammer mill tears and shreds the material entering, by interaction with one or more anvils, and ejects and / or discharges through screen walls obtained metal waste having a given size. This waste is then treated for disposal of unsuitable materials for reuse and sorting of the remaining materials according to their metallurgical characteristics.

Les broyeurs à marteaux connus à ce jour, dont les marteaux sont généralement montés sur un rotor constitué par un assemblage de disques et sont éclipsables dans le rotor permettent, généralement, un broyage correct des produits suivant une densité prédéterminée.Hammer mills known to date, whose hammers are generally mounted on a rotor constituted by a disk assembly and are eclipsable in the rotor generally allow a correct grinding of the products to a predetermined density.

Cependant, dans le cas du traitement de déchets de longueur importante, il se présente, avec ces broyeurs, même s'ils sont de très fortes capacité et puissance, un risque de bourrage dû à l'effet d'entraînement qui leur est propre et au fait que lesdits produits sont monolithiques, comme, par exemple, des barres ou des plaques de grandes dimensions.However, in the case of the treatment of long-length waste, it presents itself, with these mills, even if they are very high capacity and power, a risk of jamming due to the drive effect of their own and that said products are monolithic, such as, for example, large bars or plates.

Il est donc nécessaire de réaliser un traitement préalable de tels produits, afin de rendre possible une alimentation plus régulière et sans risque de bourrage des broyeurs. Un tel traitement préalable est généralement effectué dans des installations en aval du site de broyage, la ferraille étant d'abord prédécoupée au moyen de cisailles et étant ensuite transportée vers ledit site de broyage.It is therefore necessary to perform a prior treatment of such products, in order to make possible a more regular supply and without risk of jamming mills. Such pre-treatment is generally carried out in plants downstream of the grinding site, the scrap being first precut by means of shears and then being transported to said grinding site.

Or, un transport à grande échelle de déchets, en vue de leur traitement, entraîne forcément une importante pollution correspondante par les moyens de transport et donc une incidence écologique très défavorable.However, large-scale transport of waste for treatment necessarily entails significant pollution by means of transport and therefore a very unfavorable ecological impact.

En outre, les broyeurs de faible encombrement, connus à ce jour, ne permettent généralement pas le traitement de produits de grandes dimensions, tels que les véhicules automobiles, même après un cisaillage préalable, l'ouverture de leur enceinte de broyage devant être de dimension au moins égale à la longueur des produits cisaillés.In addition, compact crushers, known to date, generally do not allow the treatment of large products, such as motor vehicles, even after prior shearing, the opening of their grinding chamber to be dimensioned at least equal to the length of the sheared products.

La présente invention a pour but de pallier ces inconvénients en proposant un dispositif de cisaillage ou déchiquetage et de broyage de produits à broyer permettant de réaliser le traitement complet de produits à broyer sur un site unique et sans transport intermédiaire, tout en évitant la mise en oeuvre d'une installation lourde, complexe et encombrante.The present invention aims to overcome these disadvantages by providing a shearing device or shredding and grinding of products to be grinded to achieve the complete processing of products to be milled in a single site and without intermediate transport, while avoiding the implementation a heavy, complex and cumbersome installation.

Par le document FR-A-2 670 133 , on connaît déjà un dispositif selon le préambule de la revendication 1, permettant de pallier certains des inconvénients précités.By the document FR-A-2,670,133 already known device according to the preamble of claim 1, to overcome some of the aforementioned drawbacks.

L'invention vise à améliorer ce dispositif connu, notamment en réduisant davantage son encombrement.The invention aims to improve this known device, in particular by further reducing its size.

Ce but est atteint par l'invention grâce aux caractéristiques de la partie caractérisante de la revendication 1.This object is achieved by the invention by virtue of the characteristics of the characterizing part of claim 1.

L'invention sera mieux comprise, grâce à la description ci-après, qui se rapporte à un mode de réalisation préféré, donné à titre d'exemple non limitatif, et expliqué avec référence aux dessins schématiques annexés, dans lesquels :

  • la figure 1 est une vue en perspective d'un dispositif conforme à l'invention ;
  • la figure 2 est une vue en élévation frontale du dispositif, et
  • la figure 3 est une vue en élévation latérale suivant la figure 2.
The invention will be better understood, thanks to the following description, which refers to a preferred embodiment, given by way of non-limiting example, and explained with reference to the attached schematic drawings, in which:
  • the figure 1 is a perspective view of a device according to the invention;
  • the figure 2 is a front elevational view of the device, and
  • the figure 3 is a side elevation view following the figure 2 .

La figure 1 des dessins annexés représente un dispositif de cisaillage ou déchiquetage et de broyage de produits à broyer, qui est essentiellement constitué par une goulotte d'alimentation 1 munie d'un moyen de cisaillage ou déchiquetage 2 et par un broyeur 3 à rotor 4 disposé sous ledit moyen de cisaillage ou déchiquetage 2 et communiquant avec ce dernier à travers une ouverture transversale 5.The figure 1 of the accompanying drawings represents a shearing or shredding device and crushing products to grind, which is essentially constituted by a feed chute 1 provided with a shearing means or shredding 2 and a mill 3 rotor 4 disposed under said means of shearing or shredding 2 and communicating with the latter through a transverse opening 5.

Conformément à l'invention, ce dispositif est compact et l'axe longitudinal du broyeur 3 à rotor 4 est perpendiculaire à l'axe longitudinal du moyen de cisaillage ou déchiquetage 2. Il en résulte que l'ensemble du dispositif conforme à l'invention présente un encombrement extrêmement réduit.According to the invention, this device is compact and the longitudinal axis of the rotor mill 3 is perpendicular to the longitudinal axis of the shearing or shredding means 2. As a result, the entire device according to the invention has an extremely small footprint.

De préférence, le broyeur 3 à rotor 4 communique directement avec le moyen de cisaillage ou déchiquetage 2, par l'intermédiaire de son ouverture transversale 5. Dans un tel cas, l'ouverture 5 est disposée directement sous les tambours de déchiquetage parallèles 2' du moyen 2.Preferably, the mill 3 rotor 4 communicates directly with the shearing means or shredding 2, through its transverse opening 5. In such a case, the opening 5 is disposed directly under the parallel shredding drums 2 ' average 2.

Par ailleurs, le diamètre efficace du rotor 4 du broyeur 3 est sensiblement égal à la longueur du moyen de cisaillage ou déchiquetage 2. Il en résulte que le rotor 4 du broyeur 3 peut être de faible longueur, à savoir d'une longueur réduite, égale à la largeur de l'ouverture transversale 5 de communication entre le rotor 4 du broyeur 3 et le moyen de cisaillage ou déchiquetage 2. Ainsi, les produits cisaillés ou déchiquetés entrent directement, par gravité, dans le broyeur 3 en vue de leur broyage définitif.Moreover, the effective diameter of the rotor 4 of the mill 3 is substantially equal to the length of the shearing or shredding means 2. As a result, the rotor 4 of the mill 3 may be of short length, namely of reduced length, equal to the width of the transverse opening 5 of communication between the rotor 4 of the mill 3 and the shearing or shredding means 2. Thus, the sheared or shredded products enter directly, by gravity, into the mill 3 for grinding final.

De préférence, le broyeur 3 à rotor 4 est un broyeur à axe longitudinal horizontal ou un broyeur à axe longitudinal incliné par rapport à l'horizontale, l'alimentation s'effectuant par une pénétration progressive des matières provenant du moyen de cisaillage ou déchiquetage 2, dans l'entrée du broyeur.Preferably, the mill 3 rotor 4 is a horizontal longitudinal axis mill or a longitudinal axis mill inclined relative to the horizontal, the feed being performed by a progressive penetration of the material from the shearing means or shredding 2 , in the mill inlet.

Il est également possible selon une variante de réalisation de l'invention, non représentée aux dessins annexés, de disposer le broyeur 3 à rotor 4 latéralement au moyen de cisaillage ou déchiquetage 2, dont la sortie débouche sur une goulotte d'alimentation latérale de l'ouverture transversale 5 du broyeur 3 à rotor 4.It is also possible according to an alternative embodiment of the invention, not shown in the accompanying drawings, to dispose the rotor mill 3 laterally by means of shearing or shredding 2, the output of which opens onto a lateral feed chute of the transverse opening 5 of the rotor mill 3 4.

De manière connue, la goulotte d'alimentation 1 est préférentiellement inclinée pour faciliter l'alimentation du moyen de cisaillage ou déchiquetage 2 par gravité et le rotor 4 du broyeur 3 est pourvu de marteaux et/ou d'outils coupants escamotables ou fixes. Par ailleurs, l'entraînement du rotor 4 du broyeur est avantageusement réalisé au moyen d'un dispositif d'entraînement tel que décrit dans la demande de brevet français n° 09 53208 .In known manner, the feed chute 1 is preferably inclined to facilitate feeding the shearing means or shredder 2 by gravity and the rotor 4 of the mill 3 is provided with hammers and / or retractable cutting tools or fixed. Furthermore, the drive of the rotor 4 of the mill is advantageously carried out by means of a drive device as described in the French patent application no. 09 53208 .

Conformément à une autre caractéristique de l'invention et comme le montrent les figures 1 à 3 des dessins annexés, le moyen de cisaillage ou déchiquetage 2 se présente avantageusement sous forme d'un déchiqueteur comportant des tambours de déchiquetage parallèles 2', à sens de rotation identique ou inverse, à vitesse synchrone ou non, et entraînant les matières à traiter en direction de l'ouverture transversale 5 de communication entre le rotor 4 du broyeur 3 et le moyen de cisaillage ou déchiquetage 2. Ainsi, plus particulièrement dans le cas du traitement de carrosseries automobiles, il est possible de réaliser une réduction dimensionnelle préalable, de sorte que le broyeur 3 à rotor 4 peut présenter des dimensions réduites par rapport aux broyeurs traditionnellement mis en oeuvre.According to another characteristic of the invention and as shown by Figures 1 to 3 In the accompanying drawings, the shearing or shredding means 2 is advantageously in the form of a shredder comprising parallel shredding drums 2 ', in a sense identical or opposite rotation, synchronous speed or not, and causing the materials to be treated in the direction of the transverse opening 5 of communication between the rotor 4 of the mill 3 and the shearing or shredding means 2. Thus, more particularly in the In the case of the treatment of automobile bodies, it is possible to carry out a prior dimensional reduction, so that the mill 3 rotor 4 may have reduced dimensions compared to mills traditionally implemented.

Selon une autre caractéristique de l'invention et comme le montrent les figures 1 et 2 des dessins annexés, l'entrée du broyeur 3 est avantageusement équipée, sous le moyen de cisaillage ou déchiquetage 2, d'un élément écraseur 6 basculant au moyen d'un vérin 7. Cet élément écraseur 6 est représenté sous la forme d'un volet écraseur muni de roues dentées ou de roues pourvues de profils d'entraînement, mais peut également être sous la forme d'un tambour écraseur (non représenté), monté sur un châssis basculant, ou encore sous la forme d'un coulisseau à mouvement alternatif.According to another characteristic of the invention and as shown by figures 1 and 2 In the accompanying drawings, the inlet of the mill 3 is advantageously equipped, under the shearing or shredding means 2, with a tilting crushing element 6 by means of a jack 7. This crushing element 6 is represented in the form of a crusher flap provided with gears or wheels provided with drive profiles, but may also be in the form of a crusher drum (not shown), mounted on a tilting frame, or in the form of a slider with motion alternative.

Ainsi, l'élément écraseur 6 permet de diriger la matière à broyer vers l'entrée du broyeur 3. La prévision d'une réalisation sous forme d'un élément écraseur permet d'optimiser l'effet de forçage de la matière vers l'intérieur du broyeur 3 et en particulier d'optimiser le gavage de ce dernier. Par ailleurs, cet élément 6 peut également servir de clapet d'éjection des imbroyables, par exemple par basculement vers l'extérieur, hors de sa position de service comme représenté à la figure 2. Dans le mode de réalisation représenté aux dessins annexés, la grille de calibrage 7 équipant le broyeur 3 est avantageusement disposée de manière inclinée, latéralement hors de l'emprise du moyen de cisaillage ou déchiquetage 2, et est montée pivotante sur la chambre de broyage comportant les barreaux de densification ou grilles inférieures disposés dans le carter du broyeur 3, pouvant ainsi servir de trappe d'éjection des imbroyables.Thus, the crushing element 6 makes it possible to direct the material to be grinded towards the inlet of the mill 3. The provision of an embodiment in the form of a crushing element makes it possible to optimize the forcing effect of the material towards the crushing element. inside the mill 3 and in particular to optimize the feeding of the latter. Moreover, this element 6 can also serve as an ejection valve uncrushable, for example by tilting outwards, out of its service position as shown in FIG. figure 2 . In the embodiment shown in the accompanying drawings, the calibration grid 7 fitted to the mill 3 is advantageously arranged in an inclined manner, laterally outside the right-of-way of the shearing or shredding means 2, and is pivotally mounted on the grinding chamber comprising the densification bars or lower grids disposed in the crusher housing 3, thus being able to serve as an ejection hatch uncrushable.

Par ailleurs, pour favoriser la maintenance du broyeur, le carter dudit broyeur 3, comportant les barreaux de densification ou grilles inférieures est avantageusement constitué par deux demi-coquilles 9 montées sur le châssis du broyeur 3, de manière pivotante sous l'action de vérins hydrauliques 10. Ainsi, après écartement des demi-coquilles 9 constitutives du carter, le rotor 4 du broyeur 3 devient parfaitement accessible, de sorte que la maintenance est grandement facilitée.Furthermore, to promote the maintenance of the mill, the housing of said mill 3, comprising the densification bars or lower grids is advantageously constituted by two half-shells 9 mounted on the frame of the mill 3, pivotally under the action of jacks Hydraulic 10. Thus, after separation of the half-shells 9 constituting the housing, the rotor 4 of the mill 3 becomes fully accessible, so that maintenance is greatly facilitated.

Dans un tel mode de réalisation, le broyeur 3 peut être équipé de deux volets d'éjection ou grilles symétriques permettant indifféremment la mise en oeuvre d'un rotor réversible. En outre, ces barreaux de densification ou grilles inférieures peuvent présenter des ouvertures de sections différentes, de sorte, par simple inversion du sens de rotation, il est possible d'obtenir des densités de matériau différentes.In such an embodiment, the mill 3 may be equipped with two ejection flaps or symmetrical grids permitting indifferently the implementation of a reversible rotor. In addition, these densification bars or lower grids may have openings of different sections, so that by simply reversing the direction of rotation, it is possible to obtain different densities of material.

De manière connue, l'enceinte de broyage du broyeur 3 est judicieusement pourvue, outre les grilles criblantes, d'enclumes, de contre-outils, d'écrans de chocs et de clapets d'éjection non représentés en détail et connus en soi.In known manner, the crushing chamber of the mill 3 is judiciously provided, in addition to screening screens, anvils, counter-tools, shock screens and ejection valves not shown in detail and known per se.

Conformément à une autre caractéristique de l'invention, le moyen de cisaillage ou déchiquetage 2 et le broyeur 3 à marteaux et/ou à outils coupants peuvent avantageusement être montés sur un châssis commun. Il en résulte que l'ensemble ainsi réalisé peut être très compact et peut être monté sur une remorque, de sorte qu'il devient mobile.According to another characteristic of the invention, the shearing or shredding means 2 and the mill 3 with hammers and / or cutting tools can advantageously be mounted on a common frame. As a result, the assembly thus produced can be very compact and can be mounted on a trailer, so that it becomes mobile.

Par ailleurs, le dispositif conforme à l'invention comporte avantageusement une goulotte d'alimentation 1 subdivisée en une partie fixe solidaire du châssis commun et en une partie mobile, non représentée, montée à articulation sur ledit châssis commun et actionnée en pivotement au moyen d'un vérin (non représenté). Ainsi, la partie mobile de la goulotte d'alimentation 1 peut être amenée dans une position rabattue contre le châssis commun en position de non utilisation et/ou de transport, de sorte que l'encombrement du dispositif peut encore être réduit davantage.Furthermore, the device according to the invention advantageously comprises a feed chute 1 subdivided into a fixed part integral with the common frame and in a movable part, not shown, mounted to articulate on said common frame and actuated in pivoting by means of a cylinder (not shown). Thus, the movable portion of the feed chute 1 can be brought into a folded position against the common frame in non-use position and / or transport, so that the size of the device can be further reduced.

Après chargement des produits à débiter dans la goulotte d'alimentation 1 au moyen d'un engin de levage ou analogue, lesdits produits sont dirigés vers le moyen de cisaillage ou déchiquetage 2, par gravité ou par entraînement par l'intermédiaire d'un rouleau écraseur formant un moyen de compactage et d'alimentation. Si la goulotte d'alimentation 1 comporte une partie mobile montée à articulation sur le châssis commun, le chargement s'effectuera sur cette partie mobile, avantageusement basculée à l'horizontale. Ensuite, la partie mobile est basculée dans sa position en prolongement de la partie fixe et les produits s'y trouvant seront déplacés, par gravité ou à l'aide du rouleau écraseur formant le moyen de compactage et d'alimentation, en direction du moyen de cisaillage ou déchiquetage 2. Les produits sont alors déchiquetés ,et pénètrent dans l'enceinte de broyage du broyeur 3 en vue de leur réduction définitive.After loading the products to be fed into the feed chute 1 by means of a hoist or the like, said products are directed to the shearing or shredding means 2, by gravity or by driving via a roller crusher forming a means of compacting and feeding. If the feed chute 1 comprises a movable portion hingedly mounted on the common frame, the loading will be performed on this movable part, advantageously tilted horizontally. Then, the mobile part is tilted in its position in prolongation of the fixed part and the products therein will be moved, by gravity or with the aid of the crushing roller forming the compacting and feeding means, towards the means shearing or shredding 2. The products are then shredded, and enter the crushing chamber of the mill 3 for their final reduction.

Grâce à l'invention, il est possible de réaliser le traitement de ferrailles à broyer par mise en oeuvre d'un dispositif compact, pouvant être monté sur un châssis mobile, tel qu'une remorque ou analogue, et dont le broyeur peut être de dimensions réduites, limitées à celles de l'ouverture d'alimentation le reliant au moyen de cisaillage ou déchiquetage, de sorte que la puissance nécessaire à son fonctionnement est également réduite.Thanks to the invention, it is possible to perform the processing of scrap to be grinded by implementation of a compact device, which can be mounted on a mobile frame, such as a trailer or the like, and whose crusher can be of reduced dimensions, limited to those of the feed opening connecting it by means of shearing or shredding, so that the power required for its operation is also reduced.

Par ailleurs, la présente invention a un intérêt écologique et économique, du fait qu'elle permet la réduction des coûts de transport de produits traités, seuls des produits finis et densifiés, c'est-à-dire pouvant être directement mis en oeuvre, par exemple dans une aciérie, étant repris pour être transportés vers un autre site, de sorte que les ruptures de charge sont évitées.Furthermore, the present invention has an ecological and economic interest, because it allows the reduction of transport costs of treated products, only finished and densified products, that is to say that can be directly implemented, for example in a steel plant, being taken back to be transported to another site, so that the load breaks are avoided.

En outre, le broyeur pourra être, de manière connue, un broyeur à sens de rotation unique ou réversible et à alimentation latérale ou centrale. Il en résulte qu'il pourra aisément être fabriqué une machine mobile multifonction, c'est-à-dire réalisant un cisaillage avec compactage et un broyage consécutif.In addition, the mill may be, in a known manner, a single or reversible milling mill with lateral or central feed. It follows that it can easily be manufactured a multifunctional mobile machine, that is to say shearing with compacting and subsequent grinding.

Bien entendu, l'invention n'est pas limitée au mode de réalisation décrit et représenté aux dessins annexés. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is not limited to the embodiment described and shown in the accompanying drawings. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.

Claims (12)

  1. Compact device for shearing or shredding and crushing materials to be crushed, essentially consisting of a shearing or shredding means (2) and a crusher (3) with a rotor (4) communicating with said shearing or shredding means (2) through a transverse opening (5), the longitudinal axis of the crusher (3) with a rotor (4) being perpendicular to the longitudinal axis of the shearing or shredding means (2),
    device (1), characterised in that the crusher (3) with a rotor (4) is a crusher with a horizontal longitudinal axis which is arranged underneath the shearing or shredding means (2), with which said crusher (3) with a rotor (4) communicates directly by means of its transverse opening (5), in that said opening (5) is arranged directly underneath the parallel crushing drums (2') of said means (2), and in that the effective diameter of the rotor (4) of the crusher (3) is substantially equal to the length of the shearing or shredding means (2).
  2. Device according to claim 1, characterised in that the crusher (3) with a rotor (4) is arranged laterally to the shearing or shredding means (2), the outlet of which opens into a lateral feed chute of the transverse opening (5) of the crusher (3) with a rotor (4).
  3. Device according to either claim 1 or claim 2, characterised in that the shearing or shredding means (2) is in the form of a crusher comprising parallel crushing drums (2') having the same or inverse direction of rotation and a synchronous or non-synchronous speed, and driving the materials to be processed in the direction of the transverse communication opening (5) between the rotor (4) of the crusher (3) and the shearing or shredding means (2).
  4. Device according to any one of claims 1 to 3, characterised in that the inlet of the crusher (3) is provided below the shearing or shredding means (2) with a crushing element (6) which tilts by means of a jack (7).
  5. Device according to claim 4, characterised in that the crushing element (6) is in the form of a crushing flap provided with toothed wheels or wheels provided with drive profiles.
  6. Device according to claim 4, characterised in that the crushing element (6) is in the form of a crushing drum mounted on a rocking frame.
  7. Device according to claim 4, characterised in that the crushing element (6) is in the form of a slide with reciprocating motion.
  8. Device according to any one of claims 1 to 7, characterised in that the crusher (3) is equipped with a calibrating grid (7), arranged in an inclined manner, laterally outside the influence of the shearing or shredding means (2) and mounted pivoting on the crushing chamber comprising densification bars or lower grids arranged in the casing of the crusher (3).
  9. Device according to any one of claims 1 to 8, characterised in that the casing of the crusher (3), comprising the densification bars or lower grids is formed by two half-shells (9) mounted on the frame of the crusher (3) in a pivoting manner under the action of hydraulic jacks (10).
  10. Device according to claim 9, characterised in that the crusher (3) is equipped with two ejection flaps or symmetrical grids also enabling the implementation of a reversible rotor.
  11. Device according to any one of claims 1 to 9, characterised in that the shearing or shredding means (2) and the crusher (3) with hammers and/or cutting tools are mounted on a common frame.
  12. Device according to any one of claims 1 to 11, characterised in that it comprises a feed chute (1) subdivided into a fixed part joined to the common frame and a mobile part, mounted by articulation on said common frame and activated by pivoting by means of a jack.
EP10762973.5A 2009-08-06 2010-08-06 Device for shearing or shredding and grinding material Not-in-force EP2470303B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0955531A FR2948885B1 (en) 2009-08-06 2009-08-06 COMPACT DEVICE FOR SHEARING OR CRUSHING AND GRINDING PRODUCTS FOR ROTATING
PCT/FR2010/051667 WO2011015793A1 (en) 2009-08-06 2010-08-06 Compact device for shearing or shredding and crushing materials to be crushed

Publications (2)

Publication Number Publication Date
EP2470303A1 EP2470303A1 (en) 2012-07-04
EP2470303B1 true EP2470303B1 (en) 2015-01-28

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EP10762973.5A Not-in-force EP2470303B1 (en) 2009-08-06 2010-08-06 Device for shearing or shredding and grinding material

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EP (1) EP2470303B1 (en)
ES (1) ES2536777T3 (en)
FR (1) FR2948885B1 (en)
WO (1) WO2011015793A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2974017B1 (en) * 2011-04-15 2016-01-08 Arnaud Becker COMBINED PRODUCT PROCESSING INSTALLATION BY MILLING, CUTTING OR COMPACTING
ES1209488Y (en) * 2018-03-12 2018-07-03 Talleres Zb S A MOBILE FRAGMENTER OF METAL MATERIALS WITH IMPROVED SAFETY
CN116408198B (en) * 2023-06-12 2023-08-22 山东金格瑞机械有限公司 Biomass crushing device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH267657A (en) 1946-09-19 1950-04-15 Montedison Spa Full frame saw machine for sawing marble and stones.
DE2730188A1 (en) * 1977-07-04 1979-01-25 Moco Masch & Apparatebau SHREDDING MACHINE
FR2660213B1 (en) * 1990-03-30 1993-03-19 Becker Arnaud HAMMER CRUSHER, CENTRALLY SUPPLIED, FOR SHREDDING METAL OBJECTS.
FR2670133B1 (en) * 1990-12-05 1993-04-02 Becker Arnaud LOW-SIZE HAMMER CRUSHER FOR SHREDDING METAL OR OTHER OBJECTS.
US5452860A (en) * 1993-01-19 1995-09-26 Williams; Robert M. Material reducing and shredding apparatus
ITRE20010032A1 (en) * 2001-04-04 2002-10-04 Bonfiglioli Ing Spa HAMMER CRUSHER
DE10235241A1 (en) * 2002-03-14 2003-11-13 Franz Gail Corn grinding machine, for preparation of cattle feed, has hopper delivering corn past adjustable shutter to pair of motor-driven rollers and material is then delivered to motor-driven hammer mill

Also Published As

Publication number Publication date
ES2536777T3 (en) 2015-05-28
FR2948885B1 (en) 2014-09-26
FR2948885A1 (en) 2011-02-11
EP2470303A1 (en) 2012-07-04
WO2011015793A1 (en) 2011-02-10

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