EP3917739A1 - Vorrichtung und verfahren zur herstellung von dämmplatten - Google Patents
Vorrichtung und verfahren zur herstellung von dämmplattenInfo
- Publication number
- EP3917739A1 EP3917739A1 EP20701299.8A EP20701299A EP3917739A1 EP 3917739 A1 EP3917739 A1 EP 3917739A1 EP 20701299 A EP20701299 A EP 20701299A EP 3917739 A1 EP3917739 A1 EP 3917739A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressed material
- zone
- material mat
- mat
- pressed
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 69
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000011230 binding agent Substances 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000007740 vapor deposition Methods 0.000 claims 1
- 101100491335 Caenorhabditis elegans mat-2 gene Proteins 0.000 description 6
- 238000010025 steaming Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 230000004087 circulation Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- 229920000538 Poly[(phenyl isocyanate)-co-formaldehyde] Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- RQVGAIADHNPSME-UHFFFAOYSA-N azinphos-ethyl Chemical compound C1=CC=C2C(=O)N(CSP(=S)(OCC)OCC)N=NC2=C1 RQVGAIADHNPSME-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/34—Heating or cooling presses or parts thereof
-
- 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
- B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
-
- 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
- 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
Definitions
- the invention relates to a device with a first and a second zone for the production of insulation or soundproofing panels from a pressed material mat, which at least partially consists of lignocellulosic particles wetted with binders, the first zone being designed to heat and / or compress the pressed material mat and the second zone is designed to harden the pressed material mat with the aid of calibration plates,
- the invention further relates to a method for producing insulation or soundproofing panels from a pressed material mat, which at least partially consists of lignocellulosic particles wetted with binders, with the device mentioned.
- a pressed material mat which at least partially consists of lignocellulosic particles wetted with binders.
- Such a device has been published, for example, in DE 10 2008 039 720 B4.
- such devices are equipped with pre-compression devices or after-pressing devices, e.g. B continuous presses, connected in series, but are not important in the context of the invention.
- the products created on the device are offered, for example, by SOPREMA GmbH under the name Pavatex or H. Henselmann GmbH + Co KG under the name Gutex.
- Suitable binders are those based on the principle of polycondensation or polyaddition, such as PMDI.
- insulating boards with densities of 100-240 kg / m 2 should preferably be able to be produced.
- the sieve belts or sieves for short serve to guide the pressed material mat through the device at a desired speed by driving it at the same speed as the mat is to be transported. Steam can be introduced into the pressed material mat from the outside through the sieve or liquid and air can be removed.
- Screening belts are used, of which at least two are arranged in active contact with the pressed material mat in the area of the first zone and at least two of which are arranged in active contact with the pressed material mat in the area of the second zone.
- the term active contact is also to be understood as such if a further circumferential porous belt runs between the material to be pressed and the sieve belt.
- the inventors have recognized that the strain on the screen belt is particularly high in the area of compression or steam heating, that is to say in the first third of the overall device. For this reason, a separate sieve belt is used for the first zone on both sides of the material to be pressed, which can be driven independently of the sieve belts which act in the hardening area, that is to say the second zone.
- the at least four sieve belts each have their own drive.
- each sieve belt can be pushed to its maximum capacity.
- the tension on the sieve belt can be recorded using suitable sensors and the results can be used in the drive control. In this way, the drive torques can be kept within a permissible range.
- driven deflection rollers are used to drive the screen.
- a device for steam application to the pressed material mat is provided in the first zone and a device for air cooling of the pressed material mat is provided at the end of the second zone.
- the higher speed achievable with the invention allows higher productivity with slightly higher energy input or slightly increased device length.
- This provides the energy required to harden the pressed material mat and its binding agent.
- the pressure of the steam is designed so that it penetrates at least to the center of the material to be pressed and heats it. It can also be a steam-air mixture, in which case the dew point is also set
- the moist air is preferably sucked off again or a vacuum is generated by means of a suction device in order to support the penetration depth of the steam into the pressed material mat and to reduce the curing time in the second zone. It is advantageous if there are at least two
- the first zone which is called “vaporization zone” in the description below in order to simplify legibility, is generally somewhat shorter than the second zone, which is to be called the "curing zone”.
- the air cooling ultimately serves the purpose of cooling the hardened pressed material mat to such an extent that no harmful processes, such as hydrolysis, can occur after exiting the device, which impair the plate quality.
- the device preferably has a height-adjustable inlet.
- the drive power required for the pressed material mat depends to a large extent on the thickness of the pressed material mat and its compression. Since customers want to change their production temporarily and the product thicknesses preferably fluctuate between 5 and 240 mm, an adjustment may be necessary in order to achieve additional compression or the distance
- the calibration plates are preferably heatable plates.
- calibration plates 3 are therefore arranged, which can be heated using different systems.
- channels provided with heating fluid, inductive heating, electrical heating or steam heating are possible, the latter also being able to deliver the steam directly to the pressed material mat.
- the curing process of the binder can be accelerated, so that the length of the device is kept within reasonable limits.
- the first and second zones are preferably immediately adjacent to one another.
- the shoe has a flat sliding surface facing the pressed material mat and its side walls are shaped in such a way that
- the object of the invention is achieved by the features of claim 8 and in particular in that at least four rotating sieve belts are used, at least two of which act on the material to be pressed in the region of the first zone and of which at least two are in the region of the second zone act on the pressed material mat.
- Fig. 3 is a schematic representation of a third embodiment of the
- Fig. 1 shows a schematic side view of the device according to the invention for the production of insulation boards.
- a material to be pressed which at least partially consists of lignocellulosic particles wetted with binders, is treated in a first zone Z1 and a second zone Z2 between an upper circulating sieve belt 5a and a lower circulating sieve belt 5d.
- the separation of the zones is indicated in all figures by a dash-dotted vertical line.
- the pressed material mat was heated with steam or a steam-air mixture within the upper and lower sieve circulation and finally hardened by applying heat via calibration plates. Speeds could only be shown up to the tensile strength limits of the sieves.
- Fig. 1 it can now be seen that two further rotating sieve belts are arranged within the rotating upper sieve 5a and the rotating lower sieve belt 5d.
- the designations 5b and 5c In the upper part of the device they have the designations 5e and 5f. All rotating sieve belts 5a - 5f have their own drive, which is realized via the driven deflection rollers 8.
- this zone Z1 receives two separate rotating sieve belts which are driven separately. This reduces the tensile load on the long surrounding sieves 5a and 5d.
- zone Z2 in which the pressed material mat 2 hardens.
- a separate rotating and driven screen belt 5c, 5f is provided both above the pressed material mat 2 and below, which provides part of the transport service. Overall, significantly higher speeds can be achieved with this arrangement.
- Devices for steam application 4a, 4b are also provided in zone 1, that is to say within the circulating sieve belts 5b and 5e. Since steam penetrates through the surrounding sieves 5a and 5b or 5d and 5e into the pressed material mat 2 and condenses. Escaping residual steam and residual air can be removed via the suction devices 6a and 6b.
- Another device for applying steam 4c can be arranged, for example, in the inlet 9.
- the generated wet surface also reduces the friction on the sieve belts 5a and 5d, which leads to additional energy savings.
- zone 2 therefore, effective calibration plates 3 are arranged, which can be heated using different systems.
- the pressed material mat is cooled at the outlet of the device by a suction 6c, the cool air 14 from the environment by the pressed material mat 2 in the form of an air cooling 11.
- FIG. 2 differs from FIG. 1 as a possible second exemplary embodiment in that the rotating screens 5c and 5f have been omitted.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019000767.0A DE102019000767B4 (de) | 2019-02-02 | 2019-02-02 | Vorrichtung und Verfahren zur Dämmplattenherstellung |
PCT/EP2020/051151 WO2020156837A1 (de) | 2019-02-02 | 2020-01-17 | Vorrichtung und verfahren zur herstellung von dämmplatten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3917739A1 true EP3917739A1 (de) | 2021-12-08 |
EP3917739B1 EP3917739B1 (de) | 2024-04-17 |
Family
ID=69182512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20701299.8A Active EP3917739B1 (de) | 2019-02-02 | 2020-01-17 | Vorrichtung und verfahren zur herstellung von dämmplatten |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220072822A1 (de) |
EP (1) | EP3917739B1 (de) |
CN (1) | CN113423547B (de) |
DE (1) | DE102019000767B4 (de) |
WO (1) | WO2020156837A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020205345B3 (de) | 2020-04-28 | 2021-07-22 | Gutex Holzfaserplattenwerk H. Henselmann Gmbh + Co Kg | Flexible Fasermatte aus Holzfasern und Bikomponentenfasern als thermoplastisches Bindemittel sowie Verfahren und Vorrichtung zu deren Herstellung |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2071999A (en) * | 1934-03-17 | 1937-02-23 | Laucks I F Inc | Continuous press for production of board-like products |
US2459295A (en) * | 1944-05-06 | 1949-01-18 | Per F Skoog | Apparatus for the flow manufacture of sheet material |
US2720231A (en) * | 1952-06-28 | 1955-10-11 | Herbert E Hessler | Continuous press for plywood, fiberboard and the like |
GB994894A (en) | 1961-01-28 | 1965-06-10 | Shigenari Soda | Improvements relating to the treatment of resinous material |
US3325859A (en) * | 1961-12-04 | 1967-06-20 | Celotex Corp | Apparatus for making rigid mineral fiber panels |
US3521552A (en) * | 1968-07-29 | 1970-07-21 | Hans John Knapp | Endless caul belt continuous press |
US3671365A (en) * | 1970-01-26 | 1972-06-20 | Du Pont | Apparatus for compressing and cooling fiber batts |
US3723230A (en) * | 1970-10-12 | 1973-03-27 | Trus Joist Corp | Continuous press for pressing gluecoated consolidatable press charges |
US3850213A (en) * | 1973-09-26 | 1974-11-26 | C Keaton | Continuous press |
DE2419706A1 (de) * | 1974-04-24 | 1975-11-06 | Sandco Ltd | Doppelbandpresse |
DE7524843U (de) * | 1974-08-27 | 1975-12-18 | Konstruktiewerkhuizen De Mets Nv | Kontinuierlich arbeitende vor- oder fertigpresse zum herstellen von platten wie span- faser-platten o.dgl. |
DE3717308A1 (de) * | 1987-05-22 | 1988-12-15 | Held Kurt | Doppelbandpresse zur kontinuierlichen herstellung von endlosen werkstoffbahnen |
ZA901076B (en) * | 1989-02-14 | 1990-11-28 | Csr Ltd | Improved production process and apparatus |
DE4316901C2 (de) * | 1992-06-01 | 1998-02-19 | Kvaerner Panel Sys Gmbh | Verfahren zur Herstellung eines Dämmstoffkörpers sowie Vorrichtung zur Durchführung des Verfahrens |
EP0909620B1 (de) * | 1997-09-13 | 2003-11-19 | Siempelkamp Maschinen- und Anlagenbau GmbH & Co. KG | Kontinuierliche Presse zum Verpressen von Pressgutmatten zu Pressgutplatten |
US6823584B2 (en) * | 2001-05-03 | 2004-11-30 | Ballard Power Systems Inc. | Process for manufacturing a membrane electrode assembly |
DE10206861A1 (de) * | 2002-02-18 | 2003-09-04 | Siempelkamp Masch & Anlagenbau | Verfahren zum Pressen und Aushärten von Pressgutmatten im Zuge einer kontinuierlichen Herstellung von Spanplatten, Faserplatten u. dgl. Holzwerkstoffplatten |
DE10242770B4 (de) * | 2002-09-14 | 2011-04-07 | Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg | Verfahren zur Herstellung von Holzfaser-Dämmplatten |
DE102007044163A1 (de) * | 2007-09-15 | 2009-03-19 | Dieffenbacher Gmbh + Co. Kg | Verfahren zur Herstellung von Dämm- und/oder Schallschutzplatten aus Holzfasern im Trockenverfahren und eine Kalibrier- und Aushärtevorrichtung |
DE102007044161A1 (de) * | 2007-09-15 | 2009-03-26 | Dieffenbacher Gmbh + Co. Kg | Verfahren und Anlage zur Herstellung von Dämm- und/oder Schallschutzplatten aus Holzfasern im Trockenverfahren |
DE102008039720B4 (de) | 2008-08-26 | 2012-09-13 | Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg | Verfahren zur Herstellung von Holzfaser-Dämmplatten" |
DE102008057557A1 (de) * | 2008-11-15 | 2010-05-20 | Dieffenbacher Gmbh + Co. Kg | Verfahren und Kalibrier- und Verschweißeinheit zur Herstellung von flexiblen Dämm-und/oder Schallschutzplatten oder flexiblem Halbzeug zur Weiterverarbeitung in Heißpressen |
DE102010033578A1 (de) * | 2010-08-03 | 2012-02-09 | Sandvik Materials Technology Deutschland Gmbh | Doppelbandpresse und Verfahren zum Herstellen eines plattenförmigen Produkts mit einer Doppelbandpresse |
KR20160064547A (ko) * | 2014-11-28 | 2016-06-08 | 현대자동차주식회사 | 더블 벨트 프레스 장치 |
EP3752428B1 (de) * | 2018-02-14 | 2021-12-08 | Essity Hygiene and Health Aktiebolag | Verfahren und vorrichtung zum komprimieren eines länglichen stapels von gefalteten tissues |
-
2019
- 2019-02-02 DE DE102019000767.0A patent/DE102019000767B4/de active Active
-
2020
- 2020-01-17 CN CN202080011730.5A patent/CN113423547B/zh active Active
- 2020-01-17 US US17/419,969 patent/US20220072822A1/en active Pending
- 2020-01-17 WO PCT/EP2020/051151 patent/WO2020156837A1/de active Application Filing
- 2020-01-17 EP EP20701299.8A patent/EP3917739B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
DE102019000767A1 (de) | 2020-08-06 |
EP3917739B1 (de) | 2024-04-17 |
CN113423547A (zh) | 2021-09-21 |
DE102019000767B4 (de) | 2021-03-25 |
US20220072822A1 (en) | 2022-03-10 |
WO2020156837A1 (de) | 2020-08-06 |
CN113423547B (zh) | 2023-10-31 |
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