EP3323924B1 - Procédé de fabrication d'une isolation en laine minérale à deux ou plusieurs couches - Google Patents

Procédé de fabrication d'une isolation en laine minérale à deux ou plusieurs couches 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
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
EP17193076.1A
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German (de)
English (en)
Other versions
EP3323924A1 (fr
Inventor
Hannu-Petteri Mattila
Mika Honkasalo
Kim Lundström
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.)
Paroc Group Oy
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Paroc Group Oy
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.)
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Publication date
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Priority to PL17193076T priority Critical patent/PL3323924T3/pl
Publication of EP3323924A1 publication Critical patent/EP3323924A1/fr
Application granted granted Critical
Publication of EP3323924B1 publication Critical patent/EP3323924B1/fr
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Classifications

    • 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. Procédé de fabrication d'une isolation en laine minérale double ou multicouche (1) dans lequel, sur une chaîne de fabrication de laine minérale, est produite en continu une natte de laine minérale (2) dotée d'une face inférieure et d'une face supérieure définissant les surfaces principales de la natte en laine minérale dont les fibres se situent substantiellement à des niveaux parallèles auxdites surfaces principales, dans lequel, sur au moins une desdites surfaces principales, est posée une couche d'isolation supplémentaire (3, 3') contenant du matériau recyclé qui contient de la laine minérale déchiquetée et/ou écrasée et/ou pulvérisée, et on mélange dans le matériau recyclé de l'agent liant sous forme poudreuse avant de le mettre sur ladite au moins une surface principale de la natte en laine minérale (2), caractérisé en ce que,
    dans le procédé, la couche (3, 3') de matériau recyclé est comprimée en une couche de type natte jusqu'à une densité désirée, le degré de compression étant de 50 % ou plus,
    avant de la mettre sur ladite au moins une surface principale de la natte en laine minérale et que, finalement, l'isolation en laine minérale (1) formée d'une natte de laine minérale (2) et d'une couche d'isolation supplémentaire de matériau recyclé (3, 3') ajoutée sur son au moins une surface principale est emportée vers un traitement de durcissement (8).
  2. Procédé selon la revendication 1, caractérisé en ce que, dans le procédé, la couche (3, 3') de matériau recyclé est formée de manière à être différente dans au moins une de ses propriétés comparativement à la couche de natte de laine minérale (2), la propriété étant sélectionnée dans un groupe contenant la chimie des fibres, la longueur des fibres, l'orientation des fibres, l'agent liant, la densité, l'épaisseur de couche, la force de compression.
  3. Procédé selon l'une quelconque des revendications 1 à 2, caractérisé en ce que, dans le procédé, sur la surface extérieure de la couche d'isolation supplémentaire (3, 3') de matériau recyclé, on ajoute une couche de revêtement (13) en tissu à base de fibre de verre avant que l'isolation en laine minérale (1) soit emportée vers le traitement de durcissement.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que, dans le procédé, une couche d'isolation supplémentaire (3, 3') contenant du matériau recyclé est mise sur les deux surfaces principales de la natte en laine minérale (2).
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que, dans le procédé, la densité de la natte en laine minérale provenant de la chaîne est de 60 à 80 kg/m3 et que la couche superficielle de matériau recyclé est comprimée jusqu'à une densité de 150 à 250 kg/m3.
  6. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que, dans le procédé, l'épaisseur de la natte de laine minérale provenant de la chaîne est de 80 à 120 mm, de préférence d'environ 100 mm, et que l'épaisseur de la couche superficielle est de l'ordre de 10 à 20 mm.
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que, dans le procédé, la part de matériau recyclé dans le produit final est de l'ordre de 10 à 18 %, de préférence d'environ 14 à 16 %.
EP17193076.1A 2016-11-16 2017-09-26 Procédé de fabrication d'une isolation en laine minérale à deux ou plusieurs couches Active EP3323924B1 (fr)

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

Publications (2)

Publication Number Publication Date
EP3323924A1 EP3323924A1 (fr) 2018-05-23
EP3323924B1 true EP3323924B1 (fr) 2021-12-22

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EP17193076.1A Active EP3323924B1 (fr) 2016-11-16 2017-09-26 Procédé de fabrication d'une isolation en laine minérale à deux ou plusieurs couches

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

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 (fr) * 1999-05-27 2002-02-20 Rockwool International A/S Panneau isolant en fibres minerales comprenant une couche superficielle rigide, procede de preparation dudit panneau isolant, et utilisation d'un article isolant pour toiture et fa ade

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 (fr) * 1999-05-27 2002-02-20 Rockwool International A/S Panneau isolant en fibres minerales comprenant une couche superficielle rigide, procede de preparation dudit panneau isolant, et utilisation d'un article isolant pour toiture et fa ade

Also Published As

Publication number Publication date
FI127694B (fi) 2018-12-14
FI20165860L (fi) 2018-05-17
PL3323924T3 (pl) 2022-02-07
FI20165860A (fi) 2018-05-17
EP3323924A1 (fr) 2018-05-23

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