EP3023210B1 - Procédé destiné au traitement de produits d'épandage. - Google Patents

Procédé destiné au traitement de produits d'épandage. Download PDF

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Publication number
EP3023210B1
EP3023210B1 EP15190700.3A EP15190700A EP3023210B1 EP 3023210 B1 EP3023210 B1 EP 3023210B1 EP 15190700 A EP15190700 A EP 15190700A EP 3023210 B1 EP3023210 B1 EP 3023210B1
Authority
EP
European Patent Office
Prior art keywords
scatterable
conveyor belt
conveying direction
chambers
scattered
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
EP15190700.3A
Other languages
German (de)
English (en)
Other versions
EP3023210A3 (fr
EP3023210A2 (fr
Inventor
Steffen AUMÜLLER
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.)
Siempelkamp Maschinen und Anlagenbau GmbH and Co KG
Original Assignee
Siempelkamp Maschinen und Anlagenbau GmbH and Co KG
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 Siempelkamp Maschinen und Anlagenbau GmbH and Co KG filed Critical Siempelkamp Maschinen und Anlagenbau GmbH and Co KG
Priority to PL15190700T priority Critical patent/PL3023210T3/pl
Publication of EP3023210A2 publication Critical patent/EP3023210A2/fr
Publication of EP3023210A3 publication Critical patent/EP3023210A3/fr
Application granted granted Critical
Publication of EP3023210B1 publication Critical patent/EP3023210B1/fr
Active legal-status Critical Current
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Classifications

    • 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
    • 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
    • B27N1/00—Pretreatment of moulding material
    • 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
    • B27N3/24—Moulding or pressing characterised by using continuously acting presses having endless belts or chains moved within the compression zone

Definitions

  • the spreadable material that is scattered on the conveyor belt is referred to below as a spreadable material mat.
  • These grit mats can have a thickness of a few millimeters up to a meter.
  • the device for applying pressure and heat to the spreadable material (that is to say the spreading material mat) fed via the conveyor belt in a conveying direction is implemented, as a rule, by a double belt press. Devices designed in this way are often used for two purposes. On the one hand, they are used to create products from pressed, litter-shaped material.
  • the invention focuses on the production of chipboard or fiberboard, for example from the EP 1 236 552 B1 is known.
  • Such devices are used for the drainage of spreadable material.
  • the invention relates here by way of example to the dewatering of coal, as it is from the DE 100 16 944 A1 is known.
  • the grit mat is compressed and pressed through the pressure, and the heat supply liquefies the binding agent or evaporates moisture.
  • Valves or spreading rollers of a so-called spreading head were regulated in their opening size or speed in order to distribute the usually lignocellulose-containing material evenly or deliberately unevenly over the width. These methods were not particularly satisfactory because they depend heavily on the consistency of the spreadable material in terms of particle size, density, moisture, and much more.
  • the object of the invention is, in a method of the type described at the outset, of the grit mat in the transverse profile in a simple manner to be able to give different physical and / or chemical properties.
  • a device is used in which the bunker has a plurality of chambers transversely to the conveying direction, which can be filled with spreadable material with different physical or chemical properties.
  • the addition of stabilizing additives can prevent the spreading material mat from being on during the pressing process Edge crumbles, so the pressure can evade and there is little or no drainage at the edge.
  • the bunker has at least two edge chambers and at least one middle chamber transversely to the conveying direction of the conveyor belt.
  • the edge chambers would be filled with coal just like the middle chambers, but wood chips, for example, would also be added to them. These prevent the coal from crumbling at the edges in the double belt press. In doing so, they have no negative influence on the subsequent combustion product that arises from the coal.
  • the chambers preferably contain spreadable material with, on average, different particle sizes.
  • particles are to be understood as meaning all particles, grains, pieces and the like of the litter-shaped material.
  • the chambers could advantageously have different chip sizes.
  • the chambers can contain chips with different concentrations of binding agents in order to produce certain areas with different strengths. In this way, considerable savings in material and expensive binders can be made.
  • bunkers with several chambers are arranged one behind the other in the conveying direction. This results in even more variations with regard to a different structure of properties of the grit mat. It is particularly preferred that the individual chambers from bunker to bunker are not aligned but offset from one another. As a result, the grit mat to be compacted, regardless of whether it is intended for panel production or dewatering, can be specifically provided with different physical or chemical properties not only across its width but also across its thickness.
  • the individual layers of the resulting mat of grit can be brought together separately before entering the device for applying pressure and heat to the grit that is fed in via the conveyor belts.
  • the device for applying pressure and heat to the spreadable material fed via the conveyor belt in a conveying direction is advantageously a continuous press for pressing the granulated material mats to form an end product. These presses are tried and tested and can be used in a known manner.
  • the pressures that can be achieved for dewatering coal should be up to 6 MPa.
  • the press preferably comprises a lower heated press plate or heating plate, an upper heated press plate or heating plate as well as endlessly rotating steel belts. This material ensures that the press has a long service life and can be heated up to 240 ° C.
  • a suction device is preferably installed for the steam generated inside the press, on the side of the grit mat. This means that the grit mat can be drained even more effectively.
  • the conveyor belts and / or steel belts are water-permeable.
  • the drainage of the grit mat to form a plate or simply to dry out is then given over the entire working width.
  • a pretreatment station is preferably provided in front of the device for applying pressure and heat to the spreadable material fed via the conveyor belt in a conveying direction.
  • the invention therefore proposes that a grit mat and / or a further grit mat be pretreated in this pretreatment device before being brought together.
  • This can be a pretreatment device for smoothing, trimming, steaming, preheating, pre-compacting and / or leveling. In this way, slight irregularities in the spreading with physically or chemically different spreading materials can be compensated for.
  • the at least one spreading device spreads different spreadable goods next to one another in the conveying direction of the conveyor belt to form a spreading material mat. In this way, a grit mat is produced which has different chemical or physical properties as desired.
  • the grit mat is first passed through a pretreatment station to support the treatment process.
  • the grit mat can be leveled here.
  • the edge can also be additionally compacted.
  • Figure 1 shows a simplified representation of an apparatus for the production of fiberboard, e.g. B. MDF panels, with a first spreader 2a for producing a first grit mat 3a on a first conveyor belt 4a and with a second spreader 2b for producing a second grit mat 3b on a second conveyor belt 4b and with a continuous press 5 for joint pressing of the grit mats 3a, 3b to an end product 1, in this example a wood-based panel.
  • the device 1 for treating spreadable material 21, 22 by means of pressure and heat is a continuously operating press 5, which in its basic structure consists of a lower heated press plate or heating plate 6, an upper heated press plate or heating plate 7 as well as endlessly circulating steel belts 8, which are supported against the press plates 6, 7 with the interposition of roller bars 9 and form a press nip 10 and an inlet mouth11.
  • the steel strips 8 are often porous and permeable to water.
  • the spreading machines 2a, 2b assigned to the two conveyor belts 4a, 4b have according to FIG. Figure 2 each have a merely indicated bunker 12 with a scattering device 13.
  • the bunkers are used in conjunction with the description of Figure 3 shown in more detail.
  • the spreading device 13 consists essentially of a dosing belt 14 and a plurality of dosing and / or opening rollers 15. In this case, spreading material is conveyed over a bunker belt or distributor belt 12a fed to the metering and / or opening rollers 15, which essentially dissolve compaction of grit.
  • the scatterable material 21, 22 is scattered onto a scattering head 16 which adjoins the end and is arranged above the respective conveyor belt 4a or 4b.
  • the spreader head is designed as a sieve spreader head 16 with a sieve bottom surface 17 and a plurality of stirring elements 18 with a specified stirring width, which are arranged at the predetermined distance above the sieve bottom surface 17.
  • a sieve spreader head 16 with a sieve bottom surface 17 and a plurality of stirring elements 18 with a specified stirring width, which are arranged at the predetermined distance above the sieve bottom surface 17.
  • a spreading material mat 3a, 3b is produced on the associated conveyor belts 4a, 4b.
  • the two spreading machines 2a, 2b each sprinkle directly onto the conveyor belt 4a, 4b protruding into the inlet mouth 11. It is also possible, however, for the spreading machines 2a, 2b to spread onto a conveyor belt (not shown) upstream of the conveyor belts 4a, 4b shown, from which the grit mats are then also applied or transferred to the conveyor belt 4a, 4b protruding into the inlet mouth.
  • a device for treating scatterable material 21, 22 by means of pressure and heat can also be represented in the form of a dewatering device.
  • the design is almost identical. Only the scattering device 13 does not have to be designed as complex as for the production of a fiberboard. In such a device, for example, coal is sprinkled onto one or more conveyor belts 4a, 4b and then compressed and dried in the press 5. It should be noted that, in contrast to the production of chipboard, pressures of up to 6 MPa must be used for pressing coal. The end product 1 in this case is a pressed fuel.
  • the two spreading machines 2a, 2b are each followed by a pretreatment station 27, 28.
  • a pretreatment station 27, 28 can each z. B. a scalping unit 29 and a pre-compression unit, e.g. B. a prepress 30 have.
  • a pre-compression unit e.g. B. a prepress 30
  • it also makes sense to support the dewatering process with a suction device for steam.
  • FIG. 3 now explains the actual invention more intensely. She shows that in the Figures 1 and 2 Bunker 12, only incompletely indicated, in a section transverse to the conveying direction 19.
  • the bunker 12 extends essentially over the entire width of the grit mat 3 to be formed. In this exemplary embodiment, it is divided into 3 chambers 20.1, 20.2, 20.3. This number is not binding on the invention. More chambers can definitely be provided.
  • the middle chamber is filled with a second spreadable product 22.
  • the spreadable product 21 and the spreadable product 22 can certainly be formed at least partially from the same material.
  • the first spreadable product 21 and the second spreadable product 22 differ, however, in their physical or chemical properties.
  • the chambers 20.1 and 20.3 in the manufacture of chipboard can have wood chips of a smaller size than chamber 20.2. This increases the scatter density at the edge.
  • all of the chambers 20.1, 20.2, 20.3 can be filled with coal.
  • the edge chambers 20.1 and 20.3 also contain wood chips in order to solidify the scattered mat while it is running through the press and not to let it crumble out laterally.
  • the chambers each have a separate chamber supply 23.1, 23.2, 23.3 with spreadable material 21, 22, which in Figure 3 is only indicated symbolically.
  • the spreading device 13, which is related to the description, is also schematic Figure 1 and 2 has already been shown in more detail, indicated, which, based on the number of chambers, can also be subdivided into several separate spreading devices 13.1, 13.2, 13.3.
  • the spreadable material 21, 22 is spread over the spreading devices 13.1, 13.2, 13.3 on the conveyor belt 4 and forms a spreading material mat 3 from the chemically or physically different spreadable materials 21, 22. These goods are located next to each other in the conveying direction 19 of the conveyor belt 4, possibly slightly overlapping and still only produce a grit mat 3.

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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)
  • Drying Of Solid Materials (AREA)
  • Meat, Egg Or Seafood Products (AREA)

Claims (12)

  1. Procédé de traitement de matériau épandable (21, 22) au moyen de pression et de chaleur avec un dispositif, qui comporte
    a) au moins un caisson pour le stockage du matériau épandable (21, 22),
    b) un système d'épandage pour la distribution dosée du matériau épandable (21, 22) depuis le caisson,
    c) une bande transporteuse (4, 4a, 4b), sur laquelle le matériau épandable (21, 22) peut être dispersé et
    d) un dispositif (5) pour appliquer de la pression et de la chaleur au matériau épandable (21, 22) acheminé par la bande transporteuse (4, 4a, 4b) dans une direction de transport (19),
    sachant que le caisson (12) comporte plusieurs chambres (20.1, 20.2, 20.3) transversalement à la direction de transport, caractérisé en ce qu'
    - avant le traitement, au moins deux chambres (20.1, 20.2, 20.3) sont au moins en partie remplies de matériaux épandables (21, 22) différents dans leurs propriétés physiques ou chimiques,
    - ensuite, les matériaux épandables (21, 22) sont dispersés sur au moins une bande de transport (4, 4a, 4b) par au moins un système d'épandage (13, 13.1, 13.2, 13.3) en au moins une natte de matériau d'épandage (3, 3a, 3b),
    - et finalement, la natte de matériau d'épandage (3, 3a, 3b) est déshydratée et formée en un produit final (1) dans un dispositif appliquant au matériau épandable acheminé à de la pression et de la chaleur (5).
  2. Procédé selon la revendication 1, caractérisé en ce que le caisson comporte transversalement à la direction de transport (19) de la bande transporteuse (4, 4a, 4b) au moins deux chambres de bordure (20.1, 20.3) et au moins une chambre centrale (20.2).
  3. Procédé selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que les chambres sont remplies de matériau épandable (21, 22) de tailles particulaires en moyenne différentes.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'au moins un système d'épandage (13, 13.1, 13.2, 13.3) répand des matériaux épandables différents (21, 22) les uns à côté des autres en une natte de matériau d'épandage (3, 3a, 3b) en direction de transport (19) de la bande transporteuse (4, 4a, 4b) .
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que plusieurs caissons avec plusieurs chambres sont disposés l'un derrière l'autre dans la direction de transport (19).
  6. Procédé selon la revendication 5, caractérisé en ce que plusieurs systèmes d'épandage et bandes transporteuses (4, 4a, 4b) attribués aux caissons sont prévus.
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'une presse continue (5) pour presser les nattes de matériau d'épandage (3, 3a, 3b) en un produit final (1) est utilisée en tant que système appliquant de la pression et de la chaleur au matériau épandable (21, 22) acheminé par la bande transporteuse dans une direction de transport (19).
  8. Procédé selon la revendication 7, caractérisé en ce que la presse (5) comprend une plaque de presse chauffée ou plaque chauffante inférieure (6), une plaque de presse chauffée ou plaque chauffante supérieure (7) ainsi respectivement que des bandes d'acier (8) périphériques respectivement sans fin.
  9. Procédé selon la revendication 8, caractérisé en ce qu'un système d'aspiration (26) est installé à l'intérieur de la presse (5) latéralement à une natte de matériau d'épandage (3, 3a, 3b).
  10. Procédé selon l'une quelconque des revendications 1 à 9, caractérisé en ce que les bandes transporteuses (4, 4a, 4b) et/ou les bandes d'acier (8) sont perméables à l'eau.
  11. Procédé selon l'une quelconque des revendications 1 à 10, caractérisé en ce qu'un poste de prétraitement (27, 28) est prévu avant le dispositif appliquant de la pression et de la chaleur au matériau épandable (21, 22) acheminé dans une direction de transport (19) par la bande de transport (4, 4a, 4b), sachant que la natte de matériau d'épandage (3, 3a, 3b) est d'abord passée par le poste de prétraitement (27, 28) pour assister l'opération de traitement.
  12. Procédé selon la revendication 11, caractérisé en ce qu'un lissage, un rognage, une vaporisation, un préchauffage, un précompactage et/ou une égalisation ont lieu dans le poste de prétraitement (27, 28).
EP15190700.3A 2014-11-14 2015-10-21 Procédé destiné au traitement de produits d'épandage. Active EP3023210B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15190700T PL3023210T3 (pl) 2014-11-14 2015-10-21 Sposób obróbki materiału sypkiego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014016867.0A DE102014016867B3 (de) 2014-11-14 2014-11-14 Vorrichtung und Verfahren zur Behandlung von streufähigem Gut

Publications (3)

Publication Number Publication Date
EP3023210A2 EP3023210A2 (fr) 2016-05-25
EP3023210A3 EP3023210A3 (fr) 2016-08-31
EP3023210B1 true EP3023210B1 (fr) 2021-09-29

Family

ID=54010408

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15190700.3A Active EP3023210B1 (fr) 2014-11-14 2015-10-21 Procédé destiné au traitement de produits d'épandage.

Country Status (5)

Country Link
EP (1) EP3023210B1 (fr)
CN (1) CN105599097B (fr)
AU (1) AU2015255312B2 (fr)
DE (1) DE102014016867B3 (fr)
PL (1) PL3023210T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015121869A1 (de) 2015-12-15 2017-06-22 Siempelkamp Maschinen- Und Anlagenbau Gmbh Verfahren und Anlage zur kontinuierlichen Entwässerung von Wasser enthaltenem Gut, insbesondere zur Entwässerung von Braunkohle
DE102018107354A1 (de) * 2018-03-28 2019-10-02 Siempelkamp Maschinen- Und Anlagenbau Gmbh Streuvorrichtung
DE102018112727B4 (de) * 2018-05-28 2021-06-24 Dieffenbacher GmbH Maschinen- und Anlagenbau Verfahren und Anlage zur Herstellung einer Werkstoffplatte sowie Pressgutmatte

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US3057022A (en) * 1958-03-22 1962-10-09 Bar Forming apparatus for manufacture of wood composition panels or similar products
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CA1236813A (fr) * 1984-04-16 1988-05-17 Wolfgang Heller Methode et dispositif pour en venir a l'uniformite predeterminable du volume massique en sens transverse d'une precouche ou d'une couche
DE3704940A1 (de) * 1987-02-17 1988-08-25 Kuesters Eduard Maschf Verfahren und anlage zur herstellung von holzspanplatten und aehnlichen plattenwerkstoffen
DE3734180C2 (de) * 1987-10-09 1998-01-29 Kuesters Eduard Maschf Doppelbandpresse zur Herstellung von Holzspanplatten und dergleichen
DE3904982C1 (fr) * 1989-02-18 1990-02-01 Eduard Kuesters, Maschinenfabrik, Gmbh & Co Kg, 4150 Krefeld, De
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Also Published As

Publication number Publication date
AU2015255312B2 (en) 2017-11-23
DE102014016867B3 (de) 2015-09-17
EP3023210A3 (fr) 2016-08-31
AU2015255312A1 (en) 2016-06-02
EP3023210A2 (fr) 2016-05-25
CN105599097A (zh) 2016-05-25
PL3023210T3 (pl) 2022-01-31
CN105599097B (zh) 2019-07-30

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