EP3323924B1 - Verfahren zur herstellung einer zwei- oder mehrschichtigen isolierung aus mineralwolle - Google Patents

Verfahren zur herstellung einer zwei- oder mehrschichtigen isolierung aus mineralwolle Download PDF

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Publication number
EP3323924B1
EP3323924B1 EP17193076.1A EP17193076A EP3323924B1 EP 3323924 B1 EP3323924 B1 EP 3323924B1 EP 17193076 A EP17193076 A EP 17193076A EP 3323924 B1 EP3323924 B1 EP 3323924B1
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EP
European Patent Office
Prior art keywords
mineral wool
layer
recycled material
mat
wool mat
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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.)
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Application number
EP17193076.1A
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English (en)
French (fr)
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EP3323924A1 (de
Inventor
Hannu-Petteri Mattila
Mika Honkasalo
Kim Lundström
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Paroc Group Oy
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Paroc Group Oy
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Priority to PL17193076T priority Critical patent/PL3323924T3/pl
Publication of EP3323924A1 publication Critical patent/EP3323924A1/de
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Publication of EP3323924B1 publication Critical patent/EP3323924B1/de
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • D04H1/4218—Glass fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • D04H1/4218—Glass fibres
    • D04H1/4226—Glass fibres characterised by the apparatus for manufacturing the glass fleece
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/587—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/60—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in dry state, e.g. thermo-activatable agents in solid or molten state, and heat being applied subsequently
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • D04H13/008—Glass fibre products; Complete installations for making them
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls

Definitions

  • the present invention relates to a method for manufacturing a double or multi-layer mineral wool insulation.
  • the invention further relates to a mineral wool insulation manufactured by the method.
  • WO2014090670 presents a method, in which is formed a base layer of mineral wool, in which the fibres are substantially perpendicular in relation to the main surfaces of the base layer, which is cured. On top of the cured base layer is spread an uncured mineral wool layer, and the combination is taken into a curing oven, in which the surface layer is compressed at least 50%.
  • EP1180182 presents a method, in which a thin mineral wool sheet is cut from a mineral wool mat with a horizontal cutting blade, the cut sheet being compressed between the rollers into a denser form and spread back onto the rest of the mineral wool mat, from which the sheet was cut.
  • EP 1 180 182 discloses a mineral fibre insulating product comprising a mineral fibre insulating layer and at least one rigid surface layer, said surface layer comprising mineral material bound together by a binding agent.
  • the object of the present invention is to provide a relatively simple and easily implemented method for manufacturing a double or multi-layer mineral wool insulation utilizing recycling material, which is obtained either from the same facility, in which the mineral wool products are manufactured, or from customers as surplus material returns.
  • a method according to the invention is characterized in that, in the method, on a mineral wool manufacturing line is continuously produced a mineral wool mat having a bottom side and a top side defining the main surfaces of the mineral wool mat, the fibres of which are located substantially in levels parallel with said main surfaces, that, in the method, onto at least one of said main surfaces is brought an additional insulation layer containing recycled material, which contains crushed and/or pulverized mineral wool and into which recycled material is mixed binding agent in a powdered form before it is brought onto said at least one main surface of the mineral wool mat, that, in the method, the layer of recycled material is compressed into a mat-like layer to a desired density wherein the degree of compression is 50% or more, before it is brought onto said at least one main surface of the mineral wool mat, and that, finally, the mineral wool insulation formed from the mineral wool mat and the additional insulation layer of recycled material added onto its at least one main surface is taken to a curing treatment.
  • the layer of recycled material is formed as different in at least one of its properties in comparison to the mineral wool mat layer, the property being selected from a group including fibre chemistry, fibre length, fibre orientation, binding agent, density, layer thickness, compression strength.
  • onto the outer surface of the additional insulation layer of recycled material is preferably added a coating layer of fibreglass fabric before the mineral wool insulation is taken to the curing treatment.
  • an additional insulation layer containing recycled material is preferably brought onto both main surfaces of the mineral wool mat.
  • a second mineral wool mat is brought onto the other side of the additional insulation layer containing recycled material brought onto one main surface of the mineral wool mat, wherein the additional insulation layer of recycled material forms the middle layer of the mineral wool insulation.
  • the advantage of the present invention is that there is no need to make major changes to an existing mineral wool mat manufacturing line in order to introduce the method according to the invention.
  • the mineral wool mat is manufactured normally and it does not require special handling before the additional layer is fed onto at least one main surface of the mineral wool mat.
  • the additional layer is fed, for example, between the belt conveyors as compressed to the desired density onto the mineral wool mat and the insulation product thus obtained is taken to a curing treatment, for example, into a curing oven, in which the binding agents in the mineral wool mat and the additional insulation layer harden under the influence of heat and the layers simultaneously adhere to each other.
  • Insulation products of mineral wool such as, for example, a raw mineral wool mat used in the manufacture of mineral wool boards and in the form of a mat, is manufactured on a basic production line by first forming mineral wool fibres from molten rock, from which, through pleating a primary mat of mineral wool, a secondary mat of mineral wool is formed.
  • This manner of producing so-called raw wool is described, for example, in WO 94/16162 , WO 2006/070055 and WO 03/008353 .
  • a mineral wool mat 2 of raw wool manufactured in a per se known manner is transported between the belt conveyors 4, 5 as compressed to a desired density and further by means of the rollers 9 towards the curing oven 8.
  • the apparatus includes a feeding apparatus attached to the manufacturing line of the mineral wool mat 2, the feeding apparatus including the belt conveyors 6, 7, between which the additional insulation layer 3 is compressed to a desired density before it is fed onto the top surface 11 of the mineral wool mat 2.
  • the degree of compression is 50% or more depending on the desired density.
  • the mat-like additional insulation layer 3 is pressed by the guide roller 10 against the top surface of the mineral wool mat.
  • the apparatus preferably includes means for feeding an optional coating material 13 from a roll 14 onto the outer surface of the additional insulation layer in order to keep the fibre material and the binding agent of the additional insulation layer in place in the additional insulation layer in the air flow of the curing oven.
  • the coating material 13 is preferably used fibreglass fabric or felt.
  • additional insulation layers 3, 3' and also onto both outer surfaces of the additional insulation layer is preferably added a coating material 13.
  • Fig. 2 shows as a cross-section a mineral wool insulation 1 manufactured by the method according to the invention, the mineral wool insulation having a middle layer of mineral wool mat 2 and the additional insulation layers 3, 3' formed from recycled material on both of its sides.
  • the amount of recycled material is preferably approx. 16% of the amount of the mineral wool mat.
  • the middle layer 2 formed from a mineral wool mat of a mineral wool insulation 1 produced according to the invention is preferably in the range of 60-80 kg/m 3 in density and its thickness is, for example, 100 mm.
  • the density of the additional insulation layer 3, 3' formed from recycled material is preferably in the range of 150-250 kg/m 3 , its thickness being, for example, in the range of 10-20 mm.
  • the material of the additional insulation layer is primarily shredded/pulverized/crushed mineral wool material, to which is added in connection with shredding/pulverizing/crushing or thereafter dry powder-like binding agent, which can be different than the binding agent used in the mineral wool mat.
  • the recycled material can also contain other crushed/chopped materials, such as concrete/wood fractions or fire retardants or other additives.
  • additives acting as fire retardants are plaster, slaked lime, calcium carbonate, calcium sulphate hemihydrate, dolomite, aluminium hydroxide, aluminium sulphate, magnesium hydroxide, magnesium carbonate, montmorillonite, bentonite.
  • additives acting as fire retardants expanding at high temperatures are vermiculite, perlite, pumice, and expanding varieties of clay.
  • the thickness and density of the layers they can, if desired, be rendered to have different properties, such as, for example, compression strength.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Architecture (AREA)
  • Manufacturing & Machinery (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)

Claims (7)

  1. Verfahren zur Herstellung einer doppel- oder mehrschichtigen Mineralwolledämmung (1), wobei in einer Anlage zur Herstellung von Mineralwolle kontinuierlich eine Mineralwollmatte (2) hergestellt wird, die eine Unterseite und eine Oberseite hat, die die Hauptflächen der Mineralwollematte festlegen, deren Fasern im Wesentlichen in Ebenen parallel zu den Hauptflächen liegen, wobei auf mindestens eine der Hauptflächen eine zusätzliche Dämmschicht (3, 3') aufgebracht ist, die recyceltes Material enthält, welches geschredderte und/oder zerkleinerte und/oder pulverisierte Mineralwolle enthält, wobei in das recycelte Material ein Bindemittel in einer pulverisierten Form eingemischt wird, bevor es auf die mindestens eine Hauptfläche der Mineralwollematte (2) aufgebracht wird, dadurch gekennzeichnet,
    dass bei dem Verfahren die Schicht (3, 3') von recyceltem Material zu einer mattenähnlichen Schicht mit einer gewünschten Dichte komprimiert wird, wobei der Kompressionsgrad 50 % oder mehr beträgt,
    bevor sie auf die mindestens eine Hauptfläche der Mineralwollematte aufgebracht wird, und dass schließlich die Mineralwolledämmung (1) aus einer Mineralwollematte (2) und einer zusätzlichen Dämmschicht aus recyceltem Material (3, 3'), auf mindestens eine Hauptfläche aufgebracht, einer Aushärtungsbehandlung (8) zugeführt wird.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass bei dem Verfahren die Schicht (3, 3') aus recyceltem Material in mindestens einer ihrer Eigenschaften im Vergleich zur Mineralwollematte (2) unterschiedlich ausgebildet ist, wobei die Eigenschaft aus einer Gruppe ausgewählt wird, die Faserchemie, Faserlänge, Faserausrichtung, Bindemittel, Dichte, Schichtdicke, Kompressionsstärke enthält.
  3. Verfahren nach Anspruch 1-2, dadurch gekennzeichnet, dass bei dem Verfahren auf die Außenfläche der zusätzlichen Dämmschicht (3, 3') aus recyceltem Material eine Deckschicht (13) aus Glasfasergewebe aufgebracht wird, bevor die Mineralwolledämmung (1) der Aushärtungsbehandlung zugeführt wird.
  4. Verfahren nach Anspruch 1-3, dadurch gekennzeichnet, dass bei dem Verfahren eine zusätzliche Schicht (3, 3'), die recyceltes Material enthält, auf beide Hauptflächen der Mineralwollematte (2) aufgebracht wird.
  5. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass bei dem Verfahren die Dichte der Mineralwollematte, die aus der Anlage kommt, 60-80 kg/m3 beträgt, und die Oberflächenschicht des recycelten Materials ist bis zu einer Dichte von 150-250 kg/m3 komprimiert.
  6. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass bei dem Verfahren die Dicke der Mineralwollematte, die aus der Anlage kommt, 80-120 mm, vorzugsweise ca. 100 mm, beträgt, und die Dicke der Oberflächenschicht liegt im Bereich von 10-20 mm.
  7. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass bei dem Verfahren der Anteil von recyceltem Material am Endprodukt im Bereich von 10-18 %, vorzugsweise ca. 14-16 %, liegt.
EP17193076.1A 2016-11-16 2017-09-26 Verfahren zur herstellung einer zwei- oder mehrschichtigen isolierung aus mineralwolle Active EP3323924B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17193076T PL3323924T3 (pl) 2016-11-16 2017-09-26 Sposób wytwarzania dwu- lub wielowarstwowej izolacji z wełny mineralnej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20165860A FI127694B (fi) 2016-11-16 2016-11-16 Menetelmä kaksi- tai useampikerroksisen mineraalivillaeristeen valmistamiseksi

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EP3323924A1 EP3323924A1 (de) 2018-05-23
EP3323924B1 true EP3323924B1 (de) 2021-12-22

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EP17193076.1A Active EP3323924B1 (de) 2016-11-16 2017-09-26 Verfahren zur herstellung einer zwei- oder mehrschichtigen isolierung aus mineralwolle

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EP (1) EP3323924B1 (de)
FI (1) FI127694B (de)
PL (1) PL3323924T3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT524875B1 (de) 2021-08-16 2022-10-15 Ibe Anlagentechnik Gmbh Verfahren zur abfallfreien Herstellung von Dämmstoffprodukten aus Mineralwolle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1180182A1 (de) * 1999-05-27 2002-02-20 Rockwool International A/S Mineralfaserdämmplatte mit einer steifen aussenschicht, ein herstellungsverfahren und verwendung des wärmedämmprodukts für dach- und fassadenbekleidung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3921399A1 (de) * 1989-06-29 1991-01-10 Gruenzweig & Hartmann Verfahren und einrichtung zur herstellung von mineralwollevliesen aus insbesondere steinwolle
US5778492A (en) * 1997-05-14 1998-07-14 Johns Manville International, Inc. Scrap fiber refeed system and method
JP2003082567A (ja) * 2001-09-11 2003-03-19 Toshiro Terakawa 繊維成形体廃材の再生方法および再生繊維材および繊維ボード
DE10359902A1 (de) * 2003-12-19 2005-07-21 Saint-Gobain Isover G+H Ag Verfahren zur Herstellung von Mineralwolleprodukten
FI122457B (fi) * 2006-09-21 2012-01-31 Paroc Oy Ab Menetelmä ja järjestelmä putkieristyskourun valmistamiseksi

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1180182A1 (de) * 1999-05-27 2002-02-20 Rockwool International A/S Mineralfaserdämmplatte mit einer steifen aussenschicht, ein herstellungsverfahren und verwendung des wärmedämmprodukts für dach- und fassadenbekleidung

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FI20165860A (fi) 2018-05-17
PL3323924T3 (pl) 2022-02-07
FI127694B (fi) 2018-12-14
EP3323924A1 (de) 2018-05-23
FI20165860L (fi) 2018-05-17

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