EP1455993B1 - Installation pour disperser un materiau, notamment des copeaux de bois, des fibres de bois ou similaires encolles, sur une bande transporteuse appropriee - Google Patents

Installation pour disperser un materiau, notamment des copeaux de bois, des fibres de bois ou similaires encolles, sur une bande transporteuse appropriee Download PDF

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Publication number
EP1455993B1
EP1455993B1 EP02805317A EP02805317A EP1455993B1 EP 1455993 B1 EP1455993 B1 EP 1455993B1 EP 02805317 A EP02805317 A EP 02805317A EP 02805317 A EP02805317 A EP 02805317A EP 1455993 B1 EP1455993 B1 EP 1455993B1
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EP
European Patent Office
Prior art keywords
spreading
stirring
spreading apparatus
paddle
width
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP02805317A
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German (de)
English (en)
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EP1455993A1 (fr
Inventor
Werner Gawlitta
Klaus Gerhardt
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Siempelkamp Maschinen und Anlagenbau GmbH and Co KG
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Siempelkamp Maschinen und Anlagenbau GmbH and Co KG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/10—Moulding of mats
    • B27N3/14—Distributing or orienting the particles or fibres

Definitions

  • the invention relates to a grit plant for spreading grit, in particular glued wood chips, wood fibers o. The like.
  • Wood-based panels with a grit hopper with a dosing of at least one dosing and possibly one or more metering and / or opening rollers for spreading spreading material onto a spreading head adjoining the metering unit at the end and arranged above the scattering belt conveyor.
  • the metering and / or opening rollers can meter the spreading material and / or dissolve the spreading material or lumps. For this, e.g.
  • either a plurality of opening rollers can be arranged above the metering belt, in which case the metering function is essentially fulfilled by the metering belt.
  • the metering function is essentially fulfilled by the metering belt.
  • in the conveying direction to the dosing one end of one or more rollers connect, which are then formed substantially as metering rollers.
  • Such grit systems for spreading particular wood chips or wood fibers are known in various embodiments.
  • An example of such a system is known from EP 0 860 255.
  • the scattering head is regularly formed as a roller scraping head with a plurality of scattering rollers, which form as it were a Streuwalzen tile.
  • the extent known facilities have basically proven, but are capable of improvement.
  • a device for spreading fibers on a belt or a wire mesh which consists of a housing with a bottom-side opening, in which a network is clamped, through which the fibers are sprinkled onto the wire mesh.
  • the feeding of the fibers takes place via a plurality hood-shaped feeders, which are arranged within the housing and connected to supply lines.
  • a plurality of rows of agitators are arranged in the housing, which set the fiber material in motion.
  • the individual rows of agitators are separated by partitions. In this case, these partitions are arranged transversely to the direction of the belt and provided with openings through which the fiber material can pass from one row to the other (see DE 28 48 459).
  • the invention has for its object to provide a grit system of the embodiment described above, which allows for a compact design, a uniform distribution of the material to be spread on the Streuband makeuper.
  • the invention teaches in a generic grit plant for scattering grit that the scattering head is designed as Siebstreukopf with a sieve bottom surface and a plurality of arranged at a predetermined distance above the sieve bottom surface stirring elements with a predetermined stirring width. It has the Spreading head preferably has a plurality of rows arranged one behind the other in the conveying direction, each having a plurality of stirring elements arranged transversely to the conveying direction. In addition, the stirring elements or their stirring surfaces are preferably arranged in a plane.
  • the spreading material is supplied to the spreading head via the dosing belt or metering rollers, so that the spreading material passes essentially in the area of the first Rrindieri #2 in the scattering head and from there partly through the sieve bottom surface on the scattering belt conveyor falls, partly by means of the stirring elements in the conveying direction or tape running direction is transported within the scattering head from one Rrockieri #2 to the next or even within a row transverse to the direction of tape travel.
  • a good and uniform distribution of the material to be spread on the scattering belt conveyor succeeds, without it leading to clumping of the scattering material.
  • the stirring elements at the same time cause a material shredding or a dissolution of Streugutverdichtitch.
  • the direction of the scatter band conveyor ie the tape running direction is meant. This corresponds essentially to the running direction of the dosing belt.
  • the stirring elements each have at least one about an approximately perpendicular to the sieve bottom surface arranged axis rotatable impeller with a predetermined stirring width.
  • the stirring elements according to the invention are characterized by their relatively simple construction and their simple function.
  • the stirring blades preferably rotate approximately in one plane parallel to the sieve bottom surface immediately above this.
  • the agitating blades are expediently designed as double blades with a total blade length corresponding to the stirring width.
  • the stirring blades can be designed as one-piece double wings. But there is also the possibility that the stirring blades consist of two or more individual wings to form a double wing. In this case, for example, the two individual wings can each be connected eccentrically to the axis of the stirring element at a predetermined distance from the axis of rotation.
  • the stirring elements of a row rotate in each case in the same direction.
  • the stirring elements rotate in each case adjacent rows in the opposite direction.
  • the rotational speed of the individual stirring elements of the entire scattering head is preferably the same. In principle, however, it is also possible to operate the individual rows with different rotational speeds or else to set up the rotational speed of the individual stirring elements differently within a row. In this context, a separate drive can be provided for each individual stirring element. But it is also possible to provide for the stirring one or more rows or even for the entire scattering head a common drive with a corresponding gear.
  • the distance between two adjacent stirring elements of a row corresponds approximately to the stirring width of the stirring elements.
  • the distance is It means the distance between the axes of the stirring elements, so that the stirring elements are arranged as it were close to tight. In this way, it is ensured that between the individual stirring elements no or as small as possible gaps arise in which the fiber material is not achieved by any of the stirring elements. It is understood that the distance between the stirring elements can only be chosen so small that it does not interfere by an intermeshing of the stirring elements.
  • two adjacent or successively arranged rows are offset by a predetermined amount transversely to the conveying direction to each other.
  • the offset of the rows preferably corresponds approximately to half the stirring width, so that, as it were, an arrangement with gap is realized.
  • the stirring elements each have at least one fan blade spaced from the stirring blade.
  • the fan blade by a predetermined amount above the Agitator blade arranged fan blade produces as it were an air flow or a blowing effect and supports the movement of the fiber material in the direction of the stirring elements and through the sieve bottom surface on the scatter band conveyor.
  • a particularly good effect can be achieved if the fan blade is arranged inclined in the side view relative to the impeller.
  • the fan blade is arranged substantially parallel to the agitator blade.
  • the distance of the fan blade from the impeller can be changed. This succeeds, for example, by the fan blades adjustable, z. B. is slidably mounted on the axis of the stirring element.
  • the invention proposes that one or more suction boxes are arranged on the side of the scatter band conveyor which is opposite the sieve bottom surface, that is to say below the scatter band conveyor. These accelerate the fiber material in the direction of the scatter belt conveyor, so that the throughput of the material to be spread through the sieve bottom surface is increased.
  • the scatter belt conveyor is designed as a wire belt, so that a sufficient air passage is ensured.
  • the scattering head end has a transverse to the conveying direction extending discharge device for residual chips or coarse material and excess material. This discharge device may be, for example, a transverse to Conveying working screw conveyor or even a suction pipe o. The like. Act.
  • the scattering head is set up so that the total width of the scattering head corresponding to the spreading width is greater by a predetermined amount than the width of the plates to be produced. In this way it is prevented that disturbing unevenness or thickness deviations of the spreading material mats in the edge areas have an effect on the board quality, since these edge areas can be removed later.
  • each two adjacent stirring elements of a series partition walls are arranged, which form substantially in the conveying direction or strip running direction extending conveying channels.
  • the dividing walls and / or the conveying channels may be wavy or serpentine in plan view. This is especially true if - as described above - the individual rows are each arranged transversely to the conveying direction offset from one another.
  • a grit plant for spreading of grit, in particular glued wood chips, wood fibers o. The like.
  • the spreading belt conveyor 1 is designed as a screen belt.
  • the grit plant has a merely indicated grit hopper 2 with a metering unit 3.
  • the dosing unit 3 consists essentially of a dosing belt 4 and a plurality of metering and / or opening rollers 5.
  • the bunker or distributor belt 6 is supplied to the bunker or the metering and / or opening rollers 5 via a bunker belt or distributor belt 6, which essentially dissolve spreading material compactions.
  • a bunker filling is schematically indicated in FIG. 1 and in FIG. 4 above the metering belt 4.
  • the discharge quantity of the dosing belt bunker or the dosing unit can be varied essentially by lowering or increasing the speed of the dosing belt 4.
  • the spreading material is then sprinkled onto a spreading head 7 adjoining the dosing unit 3 at the end and arranged above the scattering belt conveyor 1. This is shown in particular Fig. 1.
  • a continuous press or cycle press in which the spreading material mats are pressed to wood-based panels. This press is not shown.
  • the scattering head 7 is designed as a strainer 7 with a sieve bottom surface 8 and a plurality of arranged at a predetermined distance above the sieve bottom surface 8 stirring elements 9 with a predetermined stirring width B.
  • the stirring elements 9 are arranged in a housing 10, whose housing underside forms the sieve bottom surface 8 or on the underside of which the sieve bottom surface 8 is arranged.
  • the scattering head 7 has a plurality of rows 11 arranged one behind the other in the conveying direction F. each of a plurality of transverse to the conveying direction F arranged stirring elements 9.
  • the conveying direction F is meant the running direction of the scatter band conveyor 1, ie the strip running direction, which corresponds essentially to the running direction of the dosing belt 4.
  • the individual agitating elements 9 each have at least one agitating blade 13 rotatable about an axis 12 which is approximately perpendicular to the sieve bottom surface 8 and having a predetermined stirring width B.
  • the stirring blades 13 are z. B. each one-piece and rod-shaped with rectangular or square cross-section.
  • stirring vanes 13 rotate in a common plane which extends substantially parallel to the sieve bottom surface 8, directly above the sieve bottom surface 8.
  • the stirring vanes 13 are designed as double vanes with an overall blade length corresponding to the stirring width B.
  • the arrows in FIG. 2 indicate that the stirring elements 9 of a row 11 rotate in the same direction during operation of the system.
  • the stirring elements 9 each rotate adjacent rows 11 in the operation of the system in the opposite direction. This is also indicated in Fig. 2.
  • the stirring elements of the first, third, fifth and seventh row each rotate in a clockwise direction, while the stirring elements of the second, fourth, sixth and eighth rows rotate in the counterclockwise direction, with the first row of the metering unit 3 facing row 11 of the scattering head 7 is meant.
  • the distance A of two adjacent stirring elements 9 of a row 11 corresponds approximately to the stirring width B of the stirring elements, wherein with the distance A of these stirring elements 9, the distance A between the axes 12 is meant.
  • two adjacent rows 11, that is to say for example the first and second row are arranged offset from one another by a predetermined amount V transversely to the conveying direction F or the direction of strip running.
  • This measure or the offset V of these rows corresponds approximately to half the stirring width, so that the first and third rows are again arranged in alignment with each other without offset.
  • the distance C of two adjacent rows 11 is smaller by a predetermined amount than the stirring width B. This is also the Fig. 2 can be seen.
  • FIG. 3 shows a modified embodiment of a stirring element 9 according to the invention, which has an additional fan blade 14 at a predetermined distance from the stirring blade 13.
  • This fan blade 14 is arranged inclined in the side view opposite the impeller 13 and serves to generate an air flow or a blowing effect in the direction of the sieve bottom surface eighth
  • the stirring element 9 likewise has a fan blade 14 which, however, is arranged substantially parallel to the stirring blade 13. Furthermore, it can be seen that the stirring element 9 is surrounded by a tube jacket 22 at least in the region of the fan blade 14.
  • the double arrow in FIG. 5 indicates that the fan blade 14 and / or the tube jacket 22 are arranged in a height-adjustable manner. This means that, for example, the distance x of the fan blade 14 from the agitator blade 13 is adjustable or variable.
  • the fan blade 14 is adjustable or displaceable on the axis 12 of the stirring element 9 guided and fixable. In this way, the desired air flow, which is generated by the fan blade 14, specifically influence and control.
  • a suction box 15 is arranged on the screen bottom surface 8 opposite side of the scatter band conveyor 1, ie below the scatter band conveyor 1, which generates a directed from the sieve bottom surface 8 on the scatter belt conveyor 1 air flow and so the spreading material on the scatter band conveyor or the screen belt 1 sucks.
  • FIG. 4 shows a modified embodiment with a plurality of suction boxes 15 'arranged below the scatter band conveyor 1.
  • This is a plurality of in the strip running direction successively arranged suction boxes 15 ', each extending substantially transversely to the strip running direction.
  • You have z. B. a substantially triangular or trapezoidal cross section. It is also possible that not only in the direction of tape travel, but also transversely to the direction of tape travel multiple suction boxes are arranged. This is not shown in the figures.
  • one or more suction lines are connected to the individual suction boxes 15 ', wherein the suction effect of the individual suction lines or the suction boxes 15' z. B. via throttle 21 is adjustable.
  • the scattering head 7 has at its end a discharge device 16 extending transversely to the conveying direction F or running direction of the scattering belt conveyor 1 for residual chips or coarse material and excess material.
  • This discharge device is merely indicated and formed in the embodiment as a discharge screw 16. 2, it is indicated that the total width of the scattering head 7 corresponding to the scattering width S is greater by a predetermined amount than the width P of the plates to be produced.
  • partition walls or side walls 17 are arranged between each two adjacent stirring elements 9 of a row 11 and in the edge areas of the scattering head, which extend from row to row over substantially the entire length of the scattering head 7 and extend substantially in the conveying direction F.
  • the partitions 17 are adapted in shape to the shape and position of the stirring elements 9, so that as a result wavy or serpentine conveying channels 18 form due to the staggered row arrangement in the plan view. Consequently, the spreading material in the individual conveying channels 18 is waved in the plan view, so that a particularly homogeneous spreading material distribution occurs, both in the conveying direction F and also transversely to the conveying direction F.
  • covering segments 20 are connected to the partition walls 17 in the region of the stirring surface interspaces 20, which essentially cover or fill the stirring surface interspaces 19.
  • the stirring elements 9 are driven at substantially the same rotational speed or rotational speed.
  • the speed is preferably between 300 U / min and 900 U / min.
  • the arrangement is such that each two adjacent stirring elements 9 occupy a different angular position at any time in the plan view, d. H. one agitating element leads the adjacent stirring elements or precedes them.
  • 9 disturbances are avoided by intermeshing stirring elements 9, even with relatively close arrangement of the stirring elements.
  • the spreading material mat M forming on the scatter belt conveyor 1 is indicated, the thickness increasing substantially continuously in the direction of travel of the belt.
  • the scattering head 7 preferably works in such a way that the entire length of the scattering head is fully utilized for mat formation, d. H. that in the strip running direction, the desired mat thickness is set essentially only at the end of the spreading head.
  • FIG. 6 shows an embodiment of a stirring element 9, in which the stirring blade 13 has recesses in the form of grooves 23 extending transversely to the longitudinal direction of the wing.
  • the underside here means the side of the stirring blade 13 assigned to the sieve bottom surface 8.
  • the grooves 23 have a substantially triangular cross-section. In principle, however, other cross-sectional shapes are possible. In any case, a turbulence of the material to be spread or of the fibers on the sieve surface is achieved by the grooves, so that a particularly uniform distribution of the material to be spread on the scattering belt conveyor, without causing clumping of the material to be spread.
  • the grooves 23 are arranged as it were offset on the stirring element.
  • Staggered means here that the grooves 23 arranged on one side of the axis 12 have a different distance from the axis of rotation than the grooves 23 arranged on the opposite side. It is So a quasi asymmetric distribution of the grooves 23 is provided.
  • FIGS. 7a and 7b show, by way of example, an embodiment in which a plurality of baffles 24 are fixed to the stirring blade 13 at predetermined distances from one another on the underside.
  • the baffles 24 are formed as rectangular or square plates, which are arranged perpendicular to the lower surface of the stirring blade 13 and parallel to each other.
  • the baffles 24 are at a predetermined angle of z. B. 30 ° to 60 ° relative to the longitudinal axis of the stirring blade 13 is arranged.
  • baffles 24 are fixed or rotationally fixed to the underside of the stirring blade 13 are arranged. But there is also the possibility that the baffles 24 are adjustably or rotatably mounted on the impeller 13. This is indicated in Fig. 7b by the dash-dotted representation. So z. B. on the one side of the agitator another angular position of the baffles may be provided as on the opposite side of the axis. In any case, a uniform distribution of the fibers on the predetermined stirring width is achieved by the guide plates 24.
  • Fig. 8 shows a modified embodiment in which baffles 24a, 24b are also provided. These are arranged on both sides of the stirring blade 13 and in each case substantially perpendicular to the stirring blade 13, wherein the guide plates 24a, 24b are each arranged inclined relative to the horizontal or inclined relative to the sieve bottom surface 8.
  • the guide plates 24a, 24b are fastened at approximately the same height as the stirring blade 13 on the axle 12 or on the agitator blade 13.
  • the angle of attack of the guide plates 24a, 24b with respect to the sieve bottom surface 8 can be identical but also different on both sides of the agitating blade 13. An angle of 30 ° to 60 ° to the horizontal is appropriate. In any case, a swirling of the fibers and a pressing of the fibers through the sieve surface is achieved.
  • FIG. 10a and 10b Another embodiment with baffles show Fig. 10a and 10b.
  • a guide plate 24a, 24b arranged on both sides of the axis 12, and indeed by a predetermined amount above the stirring blade 13.
  • the baffles 24a, 24b are shown in FIG. 10b arranged substantially orthogonal to the impeller 13 and the axis 12 , 10a shows that the baffles 24a, 24b are arranged inclined relative to the horizontal or the sieve bottom surface 8, similar to the embodiment according to FIG. In this case, a virtually opposite inclination is provided in the baffle 24a, as in the baffle 24b, which is arranged on the baffle 24a opposite side of the axis 12.
  • the total length of the two baffles 24a and 24b substantially corresponds to the total length of the stirring element 13. Incidentally, there is the possibility that the guide plates 24a, 24b angularly adjustable on the axis 12th are attached. This is not shown in the figures.
  • the angle of the baffles relative to the horizontal or the sieve bottom surface 8 is also here z. B. 30 ° to 60 °.
  • FIGS. 9 a to 9 c show embodiments in which the agitating blade 13 respectively consists of two individual blades 13 a, 13 b, which form the double blade 13.
  • the individual wings 13a, 13b are each eccentrically, ie at a predetermined distance from the axis of rotation of the stirring element, attached to the axis 12 of the stirring element 9.
  • 9a shows an embodiment in which the individual wings are each designed as straight, rod-shaped individual wings, wherein the individual wings 13a and 13b are arranged substantially parallel to one another.
  • FIG. 9b shows an embodiment in which the individual wings 13a and 13b are each formed as curved or curved wings.
  • the radius of curvature of the two individual wings 13a, 13b is identical.
  • the two wings 13a, 13b have in the view of Fig. 9b an opposite direction of curvature, while the individual wings 13a, 13b are curved in the embodiment of Fig. 9c in plan view and bottom view in the same direction. Due to the different configurations, different transport directions for the spreading material are generated by the individual wings 13a, 13b. This is also indicated by arrows in FIGS. 9b and 9c.
  • the two individual wings 13a, 13b have different lengths b, b '.
  • FIG. 9a shows an embodiment in which the length b 'of the one wing 13b is smaller than the length b of the other wing 13a.
  • the wing 13a has a length b which corresponds approximately to B / 2, that is to say half the stirring width or double-wing length B.
  • the length b 'of the single blade 13b is approximately half the length b of the blade 13a, so that a total length b' of the blade 13b of B / 4 results.
  • An embodiment in which the lengths b and b 'of the individual wings 13a and 13b are identical is also indicated by dash-dotted lines in FIG. 9a.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Housing For Livestock And Birds (AREA)

Claims (22)

  1. Installation destinée à verser sur une bande convoyeuse de distribution (1) des matériaux aptes à être répandus, notamment des copeaux de bois, des fibres de bois ou similaire encollés, de manière à former des mats d'un matériau apte à être répandu lors de la fabrication de panneaux de copeaux, de panneaux de fibres ou de panneaux de bois de ce type, avec un bunker (2) de matériau apte à être répandu avec une unité doseuse (3) constituée d'au moins une bande doseuse (4) et le cas échéant d'un ou de plusieurs rouleaux de dosage et/ou de dissolution (5) destinés à répandre le matériau sur une tête de distribution (7) disposée attenante à l'extrémité de l'unité doseuse (3) et au-dessus de la bande convoyeuse de distribution (1),
    caractérisée en ce que la tête de distribution (7) est conformée en forme de tête de distribution à crible avec un fond formant crible (8) et une pluralité d'éléments agitateurs (9) d'une largeur d'agitation (B) prédéfinie disposés avec un écart prédéfini au-dessus du fond formant crible (8).
  2. Installation pour matériaux aptes à être répandus selon la revendication 1, caractérisée en ce que la tête de distribution (7) comporte une pluralité de rangées (11) disposées l'une derrière l'autre dans le sens de convoyage (F) ou de déroulement de la bande convoyeuse de distribution, chacune de ces rangées ayant une pluralité d'éléments agitateurs (9) disposés en travers du sens de convoyage ou de déroulement de la bande convoyeuse de distribution.
  3. Installation pour matériaux aptes à être répandus selon la revendication 1 ou 2, caractérisée en ce que les éléments agitateurs (9) comportent chacun au moins une ailette d'agitation (13) de largeur d'agitation (B) prédéfinie mobile en rotation autour d'un axe (12) disposé approximativement perpendiculairement au fond formant crible (8).
  4. Installation pour matériaux aptes à être répandus selon la revendication 3, caractérisée en ce que l'ailette d'agitation (13) est conformée en forme d'ailette double d'une longueur correspondant à la largeur d'agitation (B).
  5. Installation pour matériaux aptes à être répandus selon la revendication 3 ou 4, caractérisée en ce que l'ailette d'agitation (13) est conformée en forme d'ailette d'agitation (13) d'une seule pièce ou en forme d'ailette d'agitation (13) constituée de deux ou de plusieurs ailettes distinctes (13a, 13b).
  6. Installation pour matériaux aptes à être répandus selon l'une quelconque des revendications 2 à 5, caractérisée en ce que les éléments agitateurs (9) d'une rangée (11) tournent dans le même sens.
  7. Installation pour matériaux aptes à être répandus selon l'une quelconque des revendications 2 à 6, caractérisée en ce que les éléments agitateurs (9) de rangées respectivement voisines (11) tournent dans des sens opposés.
  8. Installation pour matériaux aptes à être répandus selon l'une quelconque des revendications 2 à 7, caractérisée en ce que l'écart (A) entre deux éléments agitateurs (9) voisins d'une rangée (11) correspond approximativement à la largeur d'agitation (B) des éléments agitateurs (9).
  9. Installation pour matériaux aptes à être répandus selon l'une quelconque des revendications 2 à 8, caractérisée en ce que deux rangées (11) voisines respectives sont décalées l'une par rapport à l'autre d'une valeur (V) prédéfinie en travers du sens de convoyage (F) ou de déroulement de la bande.
  10. Installation pour matériaux aptes à être répandus selon la revendication 9, caractérisée en ce que le décalage (V) entre les rangées voisines correspond environ à la moitié de la largeur d'agitation.
  11. Installation pour matériaux aptes à être répandus selon la revendication 9 ou 10, caractérisée en ce que l'écart (C) entre deux rangées voisines (11) est inférieur d'une valeur prédéfinie à la largeur d'agitation (B).
  12. Installation pour matériaux aptes à être répandus selon l'une quelconque des revendications 1 à 11, caractérisée en ce que les éléments agitateurs (9) comportent chacun au moins une pale (14) de ventilateur distante de l'ailette d'agitation (13).
  13. Installation pour matériaux aptes à être répandus selon la revendication 12, caractérisée en ce que l'écart (x) entre la pale (14) de ventilateur et l'ailette d'agitation (13) est variable.
  14. Installation pour matériaux aptes à être répandus selon la revendication 12 ou 13, caractérisée en ce que, vue de côté, la pale (14) de ventilateur est disposée de manière à être inclinée par rapport à l'ailette d'agitation (13).
  15. Installation pour matériaux aptes à être répandus selon l'une quelconque des revendications 1 à 14, caractérisée en ce que sur le côté de la bande convoyeuse de distribution (1) situé en regard du fond formant crible (8) est disposée au moins une caisse aspirante (15, 15').
  16. Installation pour matériaux aptes à être répandus selon l'une quelconque des revendications 1 à 15, caractérisée en ce qu'à son extrémité la tête de distribution (7) comporte un système d'évacuation (16), p. ex. une vis sans fin d'évacuation ou un système aspirant, de grosses particules et/ou de l'excédent de matériau qui s'étend en travers du sens de convoyage (F) ou de déroulement de la bande.
  17. Installation pour matériaux aptes à être répandus selon l'une quelconque des revendications 1 à 16, caractérisée en ce que la largeur totale de la tête de distribution (7), qui correspond à la largeur de distribution (S), est supérieure d'une valeur imposée à la largeur (P) des plaques qu'il y a lieu de confectionner.
  18. Installation pour matériaux aptes à être répandus selon l'une quelconque des revendications 2 à 17, caractérisée en ce que, entre deux éléments agitateurs (9) respectifs d'une rangée (11), sont disposées des cloisons (17) qui forment des canaux de convoyage (18) s'étendant sensiblement dans le sens de convoyage (F) ou du déroulement de la bande.
  19. Installation pour matériaux aptes à être répandus selon la revendication 18, caractérisée en ce que, en vue de dessus, les cloisons (17) et/ou les canaux de convoyage (18) sont ondulés.
  20. Installation pour matériaux aptes à être répandus selon la revendication 18 ou 19, caractérisée en ce que des segments de recouvrement (20) recouvrant ou remplissant sensiblement les espaces (19) entre les surfaces d'agitation sont contigus aux cloisons (17) à la hauteur des espaces (19) entre les surfaces d'agitation.
  21. Installation pour matériaux aptes à être répandus selon l'une quelconque des revendications 3 à 20, caractérisée en ce que l'ailette d'agitation (13) w comporte sur sa face inférieure des évidements, p. ex. des rainures (23) s'étendant en travers du sens de la longueur des ailettes.
  22. Installation de répartition selon l'une quelconque des revendications 3 à 21, caractérisée en ce qu'un ou plusieurs éléments directeurs (24, 24a, 24b) de l'écoulement du matériau apte à être réparti, p. ex. des déflecteurs, sont disposés sur l'ailette d'agitation (13) et/ou sur l'axe (12).
EP02805317A 2001-12-21 2002-12-12 Installation pour disperser un materiau, notamment des copeaux de bois, des fibres de bois ou similaires encolles, sur une bande transporteuse appropriee Expired - Lifetime EP1455993B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10163054 2001-12-21
DE10163054A DE10163054B4 (de) 2001-12-21 2001-12-21 Streugutanlage zum Streuen von Streugut, insbesondere beleimten Holzspänen, Holzfasern oder dergleichen, auf einen Streubandförderer
PCT/EP2002/014140 WO2003053642A1 (fr) 2001-12-21 2002-12-12 Installation pour disperser un materiau, notamment des copeaux de bois, des fibres de bois ou similaires encolles, sur une bande transporteuse appropriee

Publications (2)

Publication Number Publication Date
EP1455993A1 EP1455993A1 (fr) 2004-09-15
EP1455993B1 true EP1455993B1 (fr) 2006-08-30

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EP02805317A Expired - Lifetime EP1455993B1 (fr) 2001-12-21 2002-12-12 Installation pour disperser un materiau, notamment des copeaux de bois, des fibres de bois ou similaires encolles, sur une bande transporteuse appropriee

Country Status (7)

Country Link
US (1) US20050035155A1 (fr)
EP (1) EP1455993B1 (fr)
CN (1) CN1607999A (fr)
AU (1) AU2002356648A1 (fr)
CA (1) CA2471345A1 (fr)
DE (2) DE10163054B4 (fr)
WO (1) WO2003053642A1 (fr)

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DE102004049473B4 (de) * 2004-10-11 2006-10-19 Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg Verfahren und Vorrichtung zur Herstellung von Holzwerkstoffplatten, insbesondere Faserplatten
DE102006038183A1 (de) * 2006-08-14 2008-02-21 Dieffenbacher Gmbh + Co. Kg Verfahren und Streumaschine zur vollständigen oder schichtweisen Herstellung einer Streugutmatte
DE102006062396A1 (de) * 2006-12-25 2008-06-26 Dieffenbacher Gmbh + Co. Kg Verfahren und Formstation zur Bildung einer Streugutmatte im Zuge der Herstellung von Werkstoffplatten
BE1017821A5 (nl) 2007-10-19 2009-08-04 Flooring Ind Ltd Sarl Plaat, werkwijzen voor het vervaardigen van platen en paneel dat dergelijk plaatmateriaal bevat.
BE1018696A3 (nl) 2009-03-12 2011-07-05 Flooring Ind Ltd Sarl Werkwijze voor het vervaardigen van panelen en panelen hierbij bekomen.
DE102009042361B4 (de) 2009-09-23 2012-12-20 Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg Verfahren zur Herstellung von kartonähnlichen Faserplatten aus Holzfasern
DE102009042362A1 (de) 2009-09-23 2011-04-21 Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg Verfahren zur Herstellung von Kartonplatten bzw. Kartonplattensträngen aus Altpapier
EP2452792A1 (fr) 2010-11-15 2012-05-16 Luigi Frati S.p.A. Panneau et procédé de fabrication de panneaux
DE102011084609B4 (de) 2011-10-17 2016-08-04 Bundesdruckerei Gmbh Auftragswerk zum Auftragen von Streugut auf ein Substrat, mindestens ein Auftragswerk aufweisende Auftragsvorrichtung, Verfahren zum Auftragen von Streugut auf ein Substrat sowie Verwendung des Auftragswerkes
RU2534725C1 (ru) * 2013-04-23 2014-12-10 Общество с ограниченной ответственностью "Нефтехим-Инжиниринг" Секторный питатель, исключающий при работе попадание через него в окружающую среду газов аппарата. на котором он установлен
US10266457B2 (en) 2014-06-29 2019-04-23 Profile Products L.L.C. Bark and wood fiber growing medium
US10889758B2 (en) 2014-06-29 2021-01-12 Profile Products, L.L.C. Naturally dyed mulch and growing media
ES2930280T3 (es) 2014-06-29 2022-12-09 Profile Products Llc Medio de cultivo fibroso basado en fibras de corteza y de madera
US11686021B2 (en) 2014-06-29 2023-06-27 Profile Products L.L.C. Growing medium and mulch fiber opening apparatus
AU2015284371A1 (en) * 2014-06-29 2017-01-12 Profile Products L.L.C. Growing medium and mulch fiber opening apparatus
DE102014016867B3 (de) 2014-11-14 2015-09-17 Siempelkamp Maschinen- Und Anlagenbau Gmbh Vorrichtung und Verfahren zur Behandlung von streufähigem Gut
BE1027438B1 (nl) 2019-07-16 2021-02-16 Unilin Bv Plaatmateriaal en vloerpaneel op basis van dergelijk plaatmateriaal
BR112021026212A2 (pt) 2019-07-16 2022-07-05 Flooring Ind Ltd Sarl Placa e painel de piso à base dessa placa
CN114919027B (zh) * 2022-06-07 2023-04-07 滁州学院 草方格用麦草制卷机

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Also Published As

Publication number Publication date
WO2003053642A1 (fr) 2003-07-03
DE10163054A1 (de) 2003-07-17
US20050035155A1 (en) 2005-02-17
AU2002356648A1 (en) 2003-07-09
DE10163054B4 (de) 2004-01-08
CN1607999A (zh) 2005-04-20
DE50208028D1 (de) 2006-10-12
EP1455993A1 (fr) 2004-09-15
CA2471345A1 (fr) 2003-07-03

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