EP3360675A1 - Presse continue permettant la fabrication des plaques en matériau dérivé du bois - Google Patents

Presse continue permettant la fabrication des plaques en matériau dérivé du bois Download PDF

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Publication number
EP3360675A1
EP3360675A1 EP17207303.3A EP17207303A EP3360675A1 EP 3360675 A1 EP3360675 A1 EP 3360675A1 EP 17207303 A EP17207303 A EP 17207303A EP 3360675 A1 EP3360675 A1 EP 3360675A1
Authority
EP
European Patent Office
Prior art keywords
press
supply
pressure plates
continuous press
wood
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.)
Granted
Application number
EP17207303.3A
Other languages
German (de)
English (en)
Other versions
EP3360675B1 (fr
Inventor
Horst Weiss
Klaus Schürmann
Siegbert Halswick
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
Publication of EP3360675A1 publication Critical patent/EP3360675A1/fr
Application granted granted Critical
Publication of EP3360675B1 publication Critical patent/EP3360675B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B27N3/26—Moulding or pressing characterised by using continuously acting presses having a heated press drum and an endless belt to compress the material between belt and drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
    • B30B5/04—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band
    • B30B5/06—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band co-operating with another endless band
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • B30B15/062—Press plates
    • B30B15/064—Press plates with heating or cooling means

Definitions

  • the invention relates to a continuous press for the production of wood-based panels, the press each having a circulating under press gap forming upper belt and lower belt, which are supplied via at least partially heatable printing plates, which are along the press extending inlets and outlets with a heat transfer medium, and which can be pressed against a mat made of a wood fiber material by at least a portion of the printing plates on actuated by a frame actuators with pressure can be acted upon.
  • a total elongation of the heated pressure plates of more than 150 mm can result at quite usual flow temperatures of the heating medium, for example thermal oil of more than 250 ° C.
  • This elongation usually takes place within a plurality of cascaded frames.
  • the pressure plate or the juxtaposed printing plates are fixed at one point in the double belt press and the rest of the part can expand unhindered and displaced supported.
  • printing plates can be arranged both in the upper band and in the lower band circulation and pressed by actuators, such as hydraulic cylinders, with the interposition of rolling against one of the rotating belts and thus compress the wood fiber material in the press nip between the belts.
  • this object should also be solved if space is required immediately laterally of the gap formed by the pressure plates for a device for removing wood chips or other wood particles.
  • the object is solved by the features of claim 1 and in particular by the fact that at least one extending in the press longitudinal inlet and / or outlet for the heat transfer medium for heating the printing plates is supported on plain bearings.
  • the inventors make use of the fact that the heat transfer medium in the feed and / or discharge lines and in the pressure plates has only a small temperature difference. Due to the support and guidance on a slide bearing, the cables can equally expand the pressure plates accordingly.
  • the branch points remain at the supply and discharge lines substantially in the longitudinal direction of the press seen in an unchanged position to the terminals on the printing plates.
  • a branch connection are - if necessary at all and not designed as solid piping - so only short hose connections provided.
  • these hose connections are effective only during heating and cooling processes of the press, because then a short time a larger temperature difference between inlet and outlet and pressure plate is present.
  • heatable printing plates and the supply and discharge lines are fixed in the first third of the press in the conveying direction.
  • both the printing plates and the inlets and outlets are fixed in the same plane X oriented transversely to the press longitudinal direction.
  • the heated pressure plates and the supply and discharge lines can expand to the front and rear in the same order of magnitude.
  • both the material of the heated pressure plates and that of the supply and discharge lines has substantially the same coefficient of thermal expansion.
  • At least one inlet and outlet at least one joint.
  • connection line is less stressed and better protected by an adjustment by the inclination of the line to the curvature of the printing plate.
  • the supply and discharge lines are arranged under a hall floor of a hall in which the press stands, and in particular independently of the frame construction.
  • the conduits can freely expand by increasing the temperature of the heat transfer medium without being hindered by being coupled to the frame. And secondly, considerable free space can be realized on both sides of the press, which allows, for example, unimpeded maintenance work or offers the possibility of introducing a catching funnel arrangement laterally to the press nip.
  • the high temperatures and pressures especially at the end of the press, evaporate the moisture trapped in the wood fibers. The resulting gas pressure causes wood chips or other wood particles to be ejected laterally out of the press nip.
  • connections for the heat transfer medium are arranged on the pressure plates on a side facing away from the press nip.
  • FIGS. 1 . 2 and 3 show the same plant of a continuous double belt press 2 from different directions and in Fig. 1 in addition, a device for removing wood chips 1.
  • the description of FIG. 1 serves first of the basic description of the continuous press 2 according to the invention, the essential details of the invention only in detail in the enlarged Figures 2 and 3 to be discribed.
  • the pressure cylinders 9 are attached, for example, to individual frame 13 and are supplied for example from a hydraulic station 10 with pressure oil. Their pressures across the width and length of the continuous press from cylinder to cylinder can vary and be separately adjustable.
  • the lower run of the upper belt 3 and the upper run of the lower belt 4 form within the frame 13 the press nip 5 and are deflected via guide rollers, not shown, at the beginning and end of the press and finally returned above or below the frame 13.
  • the heated pressure plate plates are usually supplied along along the continuous press supply and discharge lines 11 and stub lines 12 with a heating medium, such as fuel oil, which runs through introduced into the pressure plate 7, 8 channels and thus the press nip 5 and der Holzwerkstoff 6 additionally heated.
  • a heating medium such as fuel oil
  • the water contained in the wood material 6 evaporates, and the vapor pressure drives wood chips laterally out of the press nip, which lead without the device for removing wood chips or other wood particles 1 to large pollution and hazardous way even to burn the fibers to the supply lines for the heating medium can.
  • the device for removing wood chips or other wood particles 1 in Fig. 1 a funnel arrangement 15 with individual funnels 16 between the frame 13.
  • the funnels forming the funnel may have maintenance flaps 17.
  • the funnels are designed so that the chips blown laterally out of the press nip 6 directly lead to a mechanical transport device 18, in this embodiment according to FIG Fig. 1 a screw conveyor 19.1, 19.2, to be forwarded.
  • a screw conveyor 19.1, 19.2 In these screw conveyors 19.1, 19.2, the chips are transported to a suction device 20.
  • a suction device no longer has any harmful influence on the side edges of the wood-based material 6.
  • two screw conveyors 19.1 and 19.2 are arranged one above the other and overlapping.
  • the feed screw 19.1 transfers the conveyed material to feed screw 19.2, which also simultaneously receives the discharged chips from the last section of the catching funnel arrangement 15. By shortening a possible long screw to two shorter, the space for the drives can be reduced.
  • the screw conveyor 19.2 transfers the discharged chips to the suction device 20.
  • the screw conveyors 19.1, 19.2 and the hopper assembly 15 form on each side of the continuous double belt press 2, a common unit 21 which can be moved on rails 22 on the hall floor 23 and thus more or less spaced from the continuous double belt press.
  • a clearance for maintenance work can be created.
  • the assembly 21 is in Fig. 1 drawn on the right side in two different end positions E1 and E2.
  • Fig. 2 recognizes the beginning of the continuous double belt press 2 according to the invention in the side view of the double belt press according to Fig. 1 but without the device for removing wood chips or other wood particles 1.
  • the circulating upper belt 3 and the circulating lower belt 4 are only in Fig. 1 indicated.
  • Upper belt 3 and lower belt 4 form a press nip 5 in which a wood material 6, consisting of at least a large part of wood chips or other wood particles is pressed.
  • Fig. 2 and 3 show the lines supplying the heatable printing plates.
  • the supply and discharge lines 11 run parallel to the press. Shown are both under the hall floor 23 and above the upper heatable pressure plate 7 two lines 24.1 and 24.2 or 25.1 and 25.2.
  • the Lines with the reference number 24 are the supply lines and the lines with the reference number 25 are the return lines.
  • the supply lines 12 lead from these supply and discharge lines to the heated pressure plates 7, 8.
  • the supply and discharge lines 11 themselves are supplied or disposed of via a supply line system 26. These are located either at one end of the press or in the frame 13.
  • the heated pressure plates 7, 8 supplied with, for example, about 250 ° C hot thermal oil, with a total length of z. B. 70 m in total over 150 mm expand (in Fig. 3 So into the leaf level), it must be ensured that it does not come with the stubs to a large offset.
  • Both the pressure plates 7, 8 are attached to the frame in the planes X and can expand arbitrarily in both directions. Since the press is driven the hottest in the first third in conveying direction F, the level X should also be in the first third.
  • the frame number shows that the X level at the beginning of the press is 2, because a 70 m press has about 80 frames 13.
  • the supply and / or discharge lines 11, 24.1, 24.2, 25.1, 25.2 are provided at some points with joints 29.
  • the supply and / or discharge lines 11, 24.1, 24.2, 25.1, 25.2 either below the hall floor 23 or above the press nip 5. This creates the opportunity to install a device for removing wood chips or other wood particles 1 can.
  • connections 30 are arranged on the pressure plates 7, 8 on a side facing away from the press nip 5. This also increases the installation space on the side of the press 2.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
EP17207303.3A 2017-01-18 2017-12-14 Presse continue permettant la fabrication des plaques en matériau dérivé du bois Active EP3360675B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017000392.0A DE102017000392A1 (de) 2017-01-18 2017-01-18 Kontinuierliche Presse zur Herstellung von Holzwerkstoffplatten

Publications (2)

Publication Number Publication Date
EP3360675A1 true EP3360675A1 (fr) 2018-08-15
EP3360675B1 EP3360675B1 (fr) 2022-09-07

Family

ID=60781539

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17207303.3A Active EP3360675B1 (fr) 2017-01-18 2017-12-14 Presse continue permettant la fabrication des plaques en matériau dérivé du bois

Country Status (3)

Country Link
EP (1) EP3360675B1 (fr)
CN (1) CN108327038B (fr)
DE (1) DE102017000392A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1225452B (de) * 1963-03-28 1966-09-22 Kraftanlagen Ag Gleitlager fuer in Schutzrohren verlegte, Waermedehnungen unterworfene Rohrleitungen
DE3216121A1 (de) * 1982-04-30 1982-09-23 Witzenmann GmbH, Metallschlauch-Fabrik Pforzheim, 7530 Pforzheim Rollenlager fuer rohrleitungen, apparate od. dgl.
DD260742A1 (de) * 1987-05-21 1988-10-05 Inst F Ingenieur U Tiefbau Lei Auflagerstein als gleitlager fuer rohrleitungen
DE3914793A1 (de) * 1989-05-05 1990-11-08 Witzenmann Metallschlauchfab Rollenlager fuer die lagerung von heiss- und kaltgehenden bauteilen
DE4208262A1 (de) * 1992-03-14 1993-09-16 Siempelkamp Gmbh & Co Kontinuierliche presse fuer das pressen einer pressgutmatte im zuge der herstellung von spanplatten, faserplatten u. dgl.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1154927B (de) 1961-09-07 1963-09-26 Krantz H Fa Etagenpresse mit vorzugsweise durch fluessige Heizmittel beheizten Heizplatten
US5213819A (en) * 1990-03-30 1993-05-25 Maschinenfabrik, J. Dieffenbacher Gmbh & Co. Continuously operating press
DE4010308C2 (de) 1990-03-30 1995-04-06 Dieffenbacher Gmbh Maschf Kontinuierlich arbeitende Presse
DE10100895C2 (de) 2001-01-11 2002-12-12 Siempelkamp Gmbh & Co Kg G Anlage zum Absaugen von Luftverunreinigungen bei der Herstellung von Holzwerkstoffplatten, insbesondere MDF-Platten, Spanplatten oder dgl.
DE10114381A1 (de) 2001-03-23 2002-10-10 Metso Paper Inc Verfahren zur kontinuierlichen Herstellung von Holzspanplatten und ähnlichen bahnförmigen Plattenwerkstoffen und dafür geeignete Doppelbandpresse
DE10123793C2 (de) 2001-05-16 2003-08-21 Metso Paper Inc Verfahren zur kontinuierlichen Herstellung von Holzspanplatten und ähnlichen bahnförmigen Plattenwerkstoffen und entsprechende Doppelbandpresse
CN205021735U (zh) * 2015-09-16 2016-02-10 重庆佰嘉木业有限责任公司 一种多层木工板热压机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1225452B (de) * 1963-03-28 1966-09-22 Kraftanlagen Ag Gleitlager fuer in Schutzrohren verlegte, Waermedehnungen unterworfene Rohrleitungen
DE3216121A1 (de) * 1982-04-30 1982-09-23 Witzenmann GmbH, Metallschlauch-Fabrik Pforzheim, 7530 Pforzheim Rollenlager fuer rohrleitungen, apparate od. dgl.
DD260742A1 (de) * 1987-05-21 1988-10-05 Inst F Ingenieur U Tiefbau Lei Auflagerstein als gleitlager fuer rohrleitungen
DE3914793A1 (de) * 1989-05-05 1990-11-08 Witzenmann Metallschlauchfab Rollenlager fuer die lagerung von heiss- und kaltgehenden bauteilen
DE4208262A1 (de) * 1992-03-14 1993-09-16 Siempelkamp Gmbh & Co Kontinuierliche presse fuer das pressen einer pressgutmatte im zuge der herstellung von spanplatten, faserplatten u. dgl.

Also Published As

Publication number Publication date
DE102017000392A1 (de) 2018-07-19
CN108327038A (zh) 2018-07-27
CN108327038B (zh) 2021-06-04
EP3360675B1 (fr) 2022-09-07

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