EP1571247B2 - Procédé de fabrication de produits en laine minérale, en particulier des produits monocouche et multicouches - Google Patents

Procédé de fabrication de produits en laine minérale, en particulier des produits monocouche et multicouches Download PDF

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Publication number
EP1571247B2
EP1571247B2 EP04030194.7A EP04030194A EP1571247B2 EP 1571247 B2 EP1571247 B2 EP 1571247B2 EP 04030194 A EP04030194 A EP 04030194A EP 1571247 B2 EP1571247 B2 EP 1571247B2
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Prior art keywords
mineral wool
nonwoven
process according
primary
flocks
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German (de)
English (en)
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EP1571247B1 (fr
EP1571247A3 (fr
EP1571247A2 (fr
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Johannes Horres
Joachim Mellem
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Saint Gobain Isover SA France
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Saint Gobain Isover SA France
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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
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
    • D01G9/04—Opening or cleaning fibres, e.g. scutching cotton by means of beater arms
    • 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
    • D04H1/593—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 to layered webs
    • 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
    • D04H1/72—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 the fibres being randomly arranged
    • 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
    • D04H1/74—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 the fibres being orientated, e.g. in parallel (anisotropic fleeces)

Definitions

  • the invention relates to a process for the production of mineral wool products according to the preamble of claim 1.
  • a collection chamber often called chute
  • the fibers are provided with binder on their way through the chute.
  • other process-relevant substances can be added in the chute, such as dust binders, water repellents and the like.
  • the fibers thus obtained are deposited on a moving, perforated element, which is one of the boundaries of the chute, and separated from the accompanying gas-air stream.
  • a moving, perforated element which is one of the boundaries of the chute, and separated from the accompanying gas-air stream.
  • endless nonwovens are produced in which the properties of the subsequent product which correspond in terms of weight per unit area, width, fiber orientation and homogeneity are predetermined. These properties can not be subsequently changed significantly, so that in the deposition of the chute generated orientations of the fibers in the web or inhomogeneities in the later product are given if the web is not subsequently split or doubled, or separated into adjacent webs.
  • the weight per unit area is influenced by varying the speed of the perforated separation element with constant fiber input, the fiber orientation generally being essentially laminar.
  • laminar is meant that the fibers are oriented substantially parallel to a surface, usually its support surface. In the production of the web, the total amount of air / gas must pass through the forming web. Depending on the basis weight and the available suction surface, different negative pressures are required in the extraction.
  • the invention is based on this known production of primary nonwovens made of mineral wool. It has been recognized that so-called inhomogeneities in web formation are virtually unavoidable in any of the known fiberizing processes. These may be inhomogeneities in the wool distribution, with a reduced amount of mineral wool at some points and an increased amount of mineral wool at others. Furthermore, defects such as binder batches or improperly defibred glass parts lead to quality losses.
  • inhomogeneities of the binder distribution may occur, such as multiply wetted wool accumulations, which had repeatedly passed into the area of the binder spray through backflow, or fiber bundles, which had passed the area of the spraying too fast.
  • binder deficiencies or - enrichments are in the final product z. B. recognizable by color differences.
  • a larger amount of binder must be added than theoretically necessary because of the inhomogeneous distribution of the binder.
  • the inhomogeneous wool distribution can also have an effect in locally different basis weights of the nonwoven resulting from locations of different density.
  • Such fluctuations in the wool distribution negatively affect quality features, such as in particular about the heat resistance, but also the mechanical strength.
  • quality features such as in particular about the heat resistance, but also the mechanical strength.
  • the achievable minimum density is increased by such inhomogeneities, even to avoid visible defects such as "holes".
  • the result must therefore be driven with a higher average density than actually necessary to account for these inhomogeneities of wool distribution. This leads to higher production costs and thus higher product costs and to the reduction of the thermal resistance due to the higher density. Overall, the result is a product that has a quality that differs from the theoretically possible quality.
  • EP 1 111 113 A2 From the documents EP 1 111 113 A2 .
  • EP 0 434 536 A1 and US 4,632,685 are compressed mineral wool nonwovens become known.
  • FR 2 682 403 a method for mechanical comminution of a primary web to mineral wool flakes.
  • From the US 2,589,008 is a process for the production of products made of mineral wool, in which a primary web of loose, binder-free wool or such wool mixed with binder powder is subjected to a mechanical action for reorientation of the individual fibers in several stages in order to produce a final nonwoven with more homogeneous properties.
  • binder can be sprayed onto this end fleece.
  • existing binder is cured in the final web.
  • the present invention is based on the teaching of FR 2 591 621 A1 from which a method according to the preamble of claim 1 is known. In this known procedure, however, a primary nonwoven with hardened binder is subjected to mechanical comminution.
  • the invention has for its object to provide a method for the production of products made of mineral wool, in which the effects of the different manufacturing processes production-technically unavoidable inhomogeneities in the final product are minimized so that optimal product-specific properties can be achieved with minimal possible mineral wool cost, in particular so that multi-layer products with different properties of the individual layers and high quality single-layer products should be produced.
  • the mineral wool material of the primary nonwoven is crushed mechanically out of its composite into individual mineral wool flakes. These are then deposited again to form the Endvlieses so that the mineral wool material is present isotropically in Endvlies.
  • isotropic is to be understood here that individual theoretically separated, e.g. Cube-shaped elements of Endvlieses in all directions in the room have the same properties as load capacity and so on.
  • the present invention goes beyond this prior art a very different way: starting from a preferably laminar primary fleece made of mineral wool, which is deliberately crushed into individual mineral wool flakes, to subsequently obtain an improved product, which in its structure consists exclusively of mineral wool again , It has surprisingly been found that individual mineral wool flakes are obtained by a specific comminution of the primary nonwoven, namely by a combined impact and cutting process, which provide a product at a re-deposition to a final nonwoven, which has a lower density compared to the primary nonwoven, but still has at least the other insulation and strength values of the primary nonwoven. This means raw density savings without quality loss.
  • the Mineralwollefasem binder is added in the production of the primary web.
  • the advantages of the method according to the invention also come into play, since hereby also the binder distribution is homogenized, which in particular has an advantageous effect on the strength of the product.
  • the targeted crushing of the primary nonwoven in certain mineral wool flakes can be achieved in one embodiment of the invention, when the impact and cutting process in their shape differently shaped tines are used, which are part of circumferentially arranged on a roller axially parallel bars and the corresponding during comminution process Combing projections of a downholder for the primary nonwoven with a game.
  • the primary web via a conveyor, in particular a conveyor belt, the impact and cutting process is fed so that it is forcibly guided between the conveyor belt and the hold-down, expediently the conveyor belt and the hold-down run conically to each other.
  • the tines of the provided on the roller bars can be formed alternately as a percussion finger and a cutting blade, the impact fingers and the cutting blades are to be equipped at their face or cutting edges with a highly wear-resistant coating, as this wear can be minimized, the glassy mineral wool fiber can cause.
  • the tines formed as cutting knives may alternately have different sizes and be aligned with their conical tips in the direction of the roll radius, thereby creating gaps of different sizes for the counterpart in the form of alternating sliding fingers and rod-shaped conveying members.
  • the sliding fingers should be provided rigidly to the hold-down and each extend to near the smaller cutting blade, whereas the rod-shaped conveying members, z. B. designed as endless circulating chains should extend to near the larger cutting blade.
  • the mineral wool flakes produced during comminution are advantageously precompressed to a certain extent, wherein this precompression may amount to more than 50%, based on the density of the primary nonwoven, eg. B. a raw density increase from originally 30 kg / m 3 to 50 kg / m 3 . It has further been found that the size of the mineral wool flakes produced is of importance in order to obtain an isotropic structure in the final web, and it has been determined from many tests that the mineral wool flakes preferably have an average radial extent of 10 to 30 mm, in particular 15 +/-. 5 mm should have.
  • the mineral wool flakes advantageously influenced by the precompression randomly stored, so that this random or chaotic distribution counteracts a new formation of inhomogeneities.
  • Such an effect can also be achieved in the method according to the invention.
  • the fibers occupy again a preferred fiber orientation in the storage to Endvlies.
  • the chaotic storage for the first time a somewhat three-dimensionally compressed product with orientation about the same fiber content in all three main directions can be produced, but the inevitable with the known method disadvantage of a concomitant compression or increase in bulk density is avoided.
  • the end fleece with its isotropic structure with at least one other mineral wool material for.
  • the mineral wool flakes of the primary nonwoven produced on the other, possibly different mineral wool material can be easily stored and subjected together with this further processing steps such as a compaction and / or an upsetting process and / or a curing process.
  • composite products with very different properties of the layers can be produced, such as a composite product with an inner mineral wool body and at least one stable outer protective layer, the latter does not differ substantially in their bulk density from that of the main body.
  • the method according to the invention offers, above all, in a simple manner, the possibility of producing multilayer products which are known by the term bidensity plates, which in particular find their use in flat roofs and on the façade.
  • the product according to the invention is characterized by a layer with isotropic and a layer with laminar fiber structure, wherein the layer having the isotropic structure has a higher compressive strength than the other layer.
  • products are also possible which are plate-shaped and consist of only one layer, which has an isotropic fiber structure, which z. B. as so-called. Impact sound insulation panels in the screed area can be used.
  • a station designated overall for comminuting mineral wool material of a primary nonwoven 2 is illustrated.
  • the comminuting station 1 is arranged between a conveying direction arrow 3 upstream of the defibering station and a downstream curing oven.
  • the fiberizing station and the curing oven may be of any known type and are therefore not shown in detail.
  • the primary web 2 is produced in the fiberization station by depositing mineral fibers produced from a melt by means of a large-volume conveying gas air flow on an evacuated perforated element, such as a screen fabric, which is progressively moved in the direction of production. This results in a fiber deposit in the primary web 2 such that the mineral fibers are arranged predominantly parallel to the bearing surface or to the large surfaces of the primary web 2, so to speak, "lie”. Such a fiber deposit is referred to as "laminar”.
  • a binder would have been added to the fiber stream prior to deposition on the perforated element which is cured in a conventional conventional curing oven so as to give the mineral wool product its stable final shape. Between shredding station and curing oven, the binder is still uncured, and the fibers are still movable against each other, and can be influenced in terms of reorientation.
  • the strength of the product is significantly increased with concomitant increase in density against surface pressure and surface tension, but conversely decreases the flexural strength.
  • the shredding station 1 is now arranged between the shredding station and the curing oven.
  • the mineral wool material of the primary web 2 is mechanically comminuted, so singled out of its composite in mineral wool flakes, and then this newly filed to form a Endvlieses 4.
  • the primary nonwoven 2 runs in the entry into the crushing station 1 by a rotating pressing member 5 in its thickness compressed, and is held by a hold-6 in the compressed state. In this position, a separation of the mineral wool material from the composite of the primary nonwoven 2 out by intervening between the hold-6 tines 7 a Zerflockungswalze 8, which takes place Apply primary fleece 2 from below and separate between gaps in the hold-down 6 to form mineral wool flakes 9.
  • the individual mineral wool flakes 9 containing fiber stream is supplied in the example of a bottom-side perforated conveyor belt 11 and stored on this.
  • an air extraction takes place, so that the fiber deposit on the conveyor belt 11 is supported by a large-volume air flow.
  • the fiber deposit on the conveyor belt 11 is similar to that on the perforated element in the fiberizing station.
  • relatively compact flakes are produced in the comminuting station 1, which already experience a certain pre-compaction with respect to the gross density in the primary web 2 due to the action of the prongs 6 meshing with the blank holder 6, the flakes being deposited in a random orientation. Therefore, the fiber orientation in the final web 4 is chaotic, i. isotropic. In the example case after appropriate, not shown further pre-compaction, the material passes with this isotropic orientation in the curing oven in which the binder hardens. Depending on requirements, before the curing oven also a further fiber influencing may take place, for example by a compression.
  • a guide member 13 On the underside of the fiber stream 10, a guide member 13 may be arranged, which in its downstream region, the fiber stream 10 toward its deposit on the conveyor belt 11 leads, and is supported with its upstream end in a manner not shown and between the tines. 7 the flocculation roller 8 engages to prevent formation of fiber accumulations there.
  • additives such as hydroxides or extraneous fibers may be introduced into the loose fiber stream 10 to create or assist desired properties.
  • the nonwoven former comprising the conveyor belt 11 can be provided with side walls which are known per se and can be adjusted in a distance, in order to laterally guide and limit the end web 4.
  • the web forming device can further be added or subordinated to a device for influencing the wool distribution.
  • the wool can be further homogenized in order to even more uniform when filing from the fiber stream 10 occurred inhomogeneities of the wool distribution or bring about a desired wool distribution.
  • the wool distribution can be influenced by locally different effective suction or by air lances or mechanical action as needed.
  • Such comminuting stations 1 can be used in a variety of ways in the area between the refining station and the curing oven.
  • a crushing station 1 can first of all be used wherever previously a compression station was provided. It can also homogenize each individual primary non-woven fabric for itself and thereby isotropically reshaping, after which instead of primary nonwovens 2, the final nonwovens 4 thus formed can be moved over one another or placed on top of each other. But it is also possible to promote 4 further mineral wool material on the conveyor belt 11 in the form of a further primary web 2 or Endvlieses, and to form on the upper side of the end web 4 as a further layer.
  • inventive method thus does not limit the applicability of known procedures nowhere, but extends them to the possibility of any fleece, whether inventively or otherwise pretreated or not, as primary fleece 2 supply a crushing station 1 and so in any case to homogenize, and in to transform an isotropic fiber orientation.
  • Fig. 2 and 2a each shown section of a preferred crushing station 1 'shows in side view a Zerflockungswalze 8', the circumferentially a plurality of the same distance from one another and axially parallel strips 14 having, which are provided at their free ends with tines 7 '.
  • the tines 7 ' mesh with a hold-down 6' with a play 15 to allow formation of the mineral wool flakes 9 (not shown).
  • the game 15 is in Fig. 2a clearly recognizable and can be adjusted in size.
  • the designated with 2 'primary web is the impact and cutting process by means of a conveyor belt 12' and a hold-6 'supplied, wherein the conveyor belt 12' and the hold-6 'run conically in the transport direction, so that the primary web 2' is forcibly guided.
  • the tines 7 'of the strips 14 are formed alternately as a percussion finger 16 and as a kind of cutting blade 17, which are equipped at their impact and cutting surfaces with a highly wear-resistant coating.
  • the cutting blades 17 are again alternately different sizes - 17a; 17b - formed and aligned with their conical tips radially with respect to the Zerflockungswalze 8 '.
  • the hold-down 6 has alternately arranged rigid sliding fingers 18, each extending to the vicinity of the smaller, relatively radially projecting cutting blade 17a, and rod-shaped conveying members 19 in the form of endlessly circulating chains, which are up to the vicinity of the larger, radially relative extend inner cutter 17b.
  • the primary nonwoven 2 'on the conveyor belt 12' and the hold-6 'of the flocculation 8' according to the in Fig. 2 forcibly fed in the direction of transport, while the flocculation roller 8 'in the counterclockwise direction as shown in FIG Fig. 2 is driven at about 1000 revolutions per minute, which means a peripheral speed of 32 meters per minute with a mean roller diameter of 800 mm.
  • the flocculation roller 8 'in the counterclockwise direction as shown in FIG Fig. 2 is driven at about 1000 revolutions per minute, which means a peripheral speed of 32 meters per minute with a mean roller diameter of 800 mm.
  • the impact fingers 16 a certain pre-densification of mineral wool flakes 9.
  • This pre-compression may be more than 50% based on the density of the primary web 2', ie, for example, an increase in the density in Primarvlies 2 'of 25 kg / m 3 to 50 kg / m 3 in the mineral wool flakes 9 effect.
  • a preferred average expansion of the mineral wool flakes 9 of 15 +/- 5 mm is achieved, so that the end fleece 4 (not shown) receives an isotropic fiber structure. Due to the initially loose storage of the precompressed mineral fiber flakes 9 on the conveyor belt 11 is advantageously effected that the end fleece 4 has a lower bulk density than the primary nonwoven 2 ', but otherwise about the same parameters (thermal conductivity, mechanical strength).
  • Fig. 3 is a diagram of a conventionally compressed plate shown how it is exposed surface tension or surface pressure.
  • the compression (crepage) leads to a different formation on the side surface of the product 20 designated 21, which was produced in a production direction according to arrow 3.
  • the formation of the side surface 21 ranges depending on the device used by a pronounced waveform to a largely random random position, as in Fig. 3 is illustrated.
  • Such a largely random random position on the side surface 21 can be approximately with a high-performance compression system according to the EP 1 144 742 B1 to which reference is made in full in this respect because of further details.
  • end faces of the product 20 which arise in the lengthening of plates of the cured mineral wool web, however, a laminar deposition of the fibers is still recognizable. All forces encountered during compression have only acted perpendicularly to this end face 23, so that fiber strands or "chains" lying transversely to the production direction according to arrow 3 may possibly have been rotated or tilted so that fibers lying in the direction of production according to arrow 3 are oriented in the direction of the vertical were. However, fibers of the laminar product lying transverse to the direction of production according to arrow 3 were not influenced in their orientation. In that regard, the product 20 is still laminar over its frontal width at the end face 23, even after the compression.
  • the product 20 must be designed for certain surface tension or surface pressure loads to which it is exposed during use. To achieve these strengths, a certain bulk density must be maintained as the product becomes stronger with higher bulk density. For example, to obtain a surface tensile strength of 30 kN / m 2 , the product 20 may require a bulk density of 130 kg / m 3 . In order to achieve a surface compressive strength of 60 kN / m 2 , a bulk density of 160 kg / m 3 may be required. Increased bulk density leads to increased use of material and thus increased costs and above a bulk density of about 50 to 70 kg / m 3 to a reduction of the thermal resistance by increasing the thermal bridges to the fibers, so a drop in quality.
  • Fig. 4 is an exemplary inventively obtained product 30 in a representation accordingly Fig. 3 shown.
  • the product 30 has been obtained by mechanically comminuting a primary web to form flakes and recombining the flakes into a final web 4 which has been precompressed as desired and then cured in the curing oven to compact it to its final thickness.
  • the fibers lie in predominantly non-parallel arrangement, but as it has formed the interaction of the tines 7 'with the hold-down 6'.
  • the flakes are moved against each other and finally deposited randomly on the conveyor belt 11 to form the Endvlieses 4.
  • the previously laminar fiber deposit of the primary web 2 has been reoriented to a completely random, isotropic fiber deposit in the final web 4.
  • the individual mineral wool flakes 9 in Endvlies 4 are no longer recognizable, but the deposited flake mass has become a homogeneous and integral new structure.
  • the local dashed line illustrated curve 40 shows a typical course of thermal conductivity above the density in laminar, produced with internal centrifugation mineral wool material.
  • the curve 41 shown in a solid line illustrates the corresponding course in a material homogenized by targeted comminution material with isotropic fiber structure and otherwise the same parameters as the wool material of the curve 40.
  • a point A of the same thermal conductivity shifts Material produced according to the invention by an amount a in the direction of reduced bulk density. This means that products which could not fall below a certain density to achieve a desired thermal conductivity, according to the invention can be prepared with respect to reduced bulk density, resulting in corresponding savings.
  • any permissible reduction in the bulk density as a result of the high production quantities results in a considerable cost advantage.
  • both the bulk density can be reduced by a value a 1 which is lower than the value a and the thermal conductivity can be improved by a value b 1 which is reduced by comparison with the value b, as shown in FIG Fig. 5 is illustrated by arrow c.
  • This is recommended, for example, if the improvement in the Wämleitction to the value b 1 is already sufficient to achieve a desired better sautmentssucc, so that a further reduction of the thermal conductivity is no longer necessary and instead to the still available value a 1 at Raw density can be saved.
  • An essential further field of application of the present invention resides in composite products, wherein the use of the invention can at least always take place where conventionally compression processes (crepage) have been used.
  • Such a composite product is in Fig. 6 shown as product 50.
  • a product for example a facade insulation board
  • the solid surface layer 52 usually a compression plate relatively high bulk density, serves to protect the insulating layer 51 against point-like applied forces.
  • these forces are applied by retaining dowels, which set the facade insulation board with the solid surface layer outwards against the building wall and hold against gravity and wind forces. For reasons of installation effort is to strive to get along with as few plugs.
  • the solid surface layer 52 is conventionally made from a compressed plate, it contains a plurality of thickness-directional fibers which avoid indentation of the solid surface layer in the area of the dowel plate 53 (mattress effect) but have very limited strength against shear forces at the dowel edges because they can be relatively easily moved against each other by also acting in the direction of thickness forces. Therefore, very high densities and comparatively high thicknesses of the solid surface layers 52 are required, resulting in an increased required thickness of the entire due to the greatly reduced heat resistance of the solid surface layer Facade insulation board leads.
  • Will the solid surface layer 52, as shown in Fig. 6 is schematically illustrated, according to the invention produced by the fact that a primary nonwoven fabric 2 selectively crushed to form mineral wool 9 and then recombined into a final web 4, the three-dimensional, isotropic Faserablage results in an orientation of the fibers in all directions. In this way, on the one hand enough fibers are present, which counteract a recess (mattress effect), but also sufficient fibers which extend in the region of the dowel edges transverse to the shear forces introduced there and thus intercept these clean.
  • inhomogeneities are present in a solid surface layer of compressed material. These consist for example in areas of higher and lower binder content, ie harder and softer points. Moreover, the bulk density can vary significantly locally. Such inhomogeneities cause the local absorption capacity for shear forces to drop drastically. Thus, if such a density variation comes within the range of a dowel edge, the dowel may rupture, although the dowel pull-through strength of the entire plate, measured at many other locations, is sufficient. For this reason, dowel pull-through resistance in the compressed plate must, so to speak, be "held up” so as to still have adequate dowel pull-through strength even in the event that the dowel comes to sit at a weak point. This in turn leads to higher required thicknesses or bulk densities of the solid surface layer.
  • Hard hides produced according to the invention are considerably more homogeneous due to the disruption and the associated dissolution of inhomogeneities in the primary nonwoven 2 and have virtually no defects. Both the binder distribution and the wool distribution are considerably more uniform. Thus, the anchor tensile strengths at different points of a facade insulation board also vary only slightly, so that no Dübel malzugsfestmaschine "held” must be to compensate for vulnerabilities. This is an additional reason why solid surface layers 52 made in accordance with the invention can manage with still further reduced thicknesses and / or bulk densities compared to the above description.
  • products of mineral wool, in particular rock wool, which exclusively have an isotropic fiber structure can also be produced by the process according to the invention.
  • a typical application would be so-called tread insulation panels or flat roof insulation panels, the latter can be compressed to a further increase in their compressive strength two- or three-dimensional.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Nonwoven Fabrics (AREA)
  • Cosmetics (AREA)
  • Glass Compositions (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (16)

  1. Procédé de fabrication de produits en laine minérale, dans lequel un non-tissé primaire doté d'une structure fibreuse de préférence laminaire est produit en vaporisant un liant sur les fibres lorsqu'elles se déplacent à travers un puits de chute, le non-tissé primaire étant alors perfectionné pour obtenir un non-tissé final, le matériau en laine minérale du non-tissé primaire (2, 2') étant broyé mécaniquement pour être décomposé en flocons de laine minérale (9) puis les flocons de laine minérale (9) étant redéposés pour former le non-tissé final (4), de telle sorte que le matériau en laine minérale, une fois redéposé dans le non-tissé final (4), se présente de façon isotrope, le liant se présentant sous forme encore non durcie lors du broyage du matériau en laine minérale du non-tissé primaire,
    caractérisé en ce
    que le broyage du matériau en laine minérale du non-tissé primaire (2, 2') s'effectue par un processus de frappe et de découpage combiné, et en ce
    que le non-tissé primaire (2, 2') est amené par un dispositif de transport, en particulier un tapis roulant (12'), au processus de frappe et de découpage de telle sorte qu'il est guidé de force entre le tapis roulant (12') et le serre-flan (6, 6').
  2. Procédé selon la revendication 1, caractérisé en ce que lors du processus de frappe et de découpage, des dents (7, 7') présentant des formes différentes, qui font partie intégrante de baguettes (14) disposées en parallélisme axial sur la périphérie d'un cylindre de floconnage (8, 8'), s'engrènent avec un jeu (15) avec les saillies correspondantes d'un serre-flan (6, 6') pour le non-tissé primaire (2, 2').
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le tapis roulant (12') et le serre-flan (6') s'étendent de façon conique l'un par rapport à l'autre dans la direction de transport.
  4. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que les dents (7, 7') sont réalisées en alternance comme des doigts de frappe (16) et comme des lames (17).
  5. Procédé selon la revendication 4, caractérisé en ce que les doigts de frappe (16) et les lames (17) sont pourvus sur leurs surfaces de frappe et/ou de découpage d'un revêtement hyper résistant à l'usure.
  6. Procédé selon la revendication 4, caractérisé en ce que les lames (17) sont réalisées en alternance avec des dimensions différentes (17a, 17b) et sont orientées avec leurs pointes coniques respectivement radialement en direction du cylindre de floconnage (8, 8').
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le serre-flan (6, 6') est formé en alternance par des doigts coulissants rigides (18), qui parviennent respectivement jusqu'au voisinage des lames plus petites (17a), et par des organes de transport en forme de barre (19), qui parviennent jusqu'au voisinage des lames plus grandes (17b).
  8. Procédé selon la revendication 7, caractérisé en ce que des chaînes à rotation sans fin servent d'organes de transport en forme de barre (19).
  9. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que lors du broyage du matériau en laine minérale du non-tissé primaire (2, 2') en flocons de laine minérale (9), il s'effectue une pré-compression des flocons de laine minérale (9), en particulier par les doigts de frappe (16).
  10. Procédé selon la revendication 9, caractérisé en ce que la pré-compression des flocons de laine minérale (9) est supérieure à 50 % par rapport à l'épaisseur du non-tissé primaire (2, 2').
  11. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que les flocons de laine minérale (9) comprennent une extension moyenne de 10 à 30 mm.
  12. Procédé selon la revendication 11, caractérisé en ce que les flocons de laine minérale (9) comprennent une extension moyenne de 10 à 20 mm.
  13. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le non-tissé final (4) comprend une densité apparente inférieure à celle du non-tissé primaire (2, 2').
  14. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le non-tissé final (4) doté d'une structure isotrope est combiné à au moins un autre non-tissé en laine minérale (51).
  15. Procédé selon la revendication 14, caractérisé en ce que la combinaison du non-tissé final (4) et de l'autre non-tissé en laine minérale (51) est soumise dans l'ensemble à un processus d'écrasement.
  16. Procédé selon l'une quelconque des revendications 14 ou 15, caractérisé en ce que l'autre non-tissé en laine minérale (51) comprend une structure fibreuse laminaire.
EP04030194.7A 2003-12-19 2004-12-20 Procédé de fabrication de produits en laine minérale, en particulier des produits monocouche et multicouches Active EP1571247B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04030194T PL1571247T5 (pl) 2003-12-19 2004-12-20 Sposób wytwarzania produktów z wełny żużlowej, w szczególności produktów jedno- i wielowarstwowych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10359902A DE10359902A1 (de) 2003-12-19 2003-12-19 Verfahren zur Herstellung von Mineralwolleprodukten
DE10359902 2003-12-19

Publications (4)

Publication Number Publication Date
EP1571247A2 EP1571247A2 (fr) 2005-09-07
EP1571247A3 EP1571247A3 (fr) 2006-03-29
EP1571247B1 EP1571247B1 (fr) 2009-06-24
EP1571247B2 true EP1571247B2 (fr) 2013-12-04

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ID=34683606

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EP04030194.7A Active EP1571247B2 (fr) 2003-12-19 2004-12-20 Procédé de fabrication de produits en laine minérale, en particulier des produits monocouche et multicouches

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Country Link
EP (1) EP1571247B2 (fr)
AT (1) ATE434676T1 (fr)
DE (2) DE10359902A1 (fr)
DK (1) DK1571247T4 (fr)
ES (1) ES2329129T5 (fr)
PL (1) PL1571247T5 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005040076A1 (de) * 2005-08-24 2007-03-01 Saint-Gobain Isover G+H Ag Mineralwolle mit Steinwolleflocken und Glaswollefasern
DE102007018774A1 (de) * 2007-04-20 2008-10-23 Saint-Gobain Isover G+H Ag Fassadendämmplatte für die Dämmung von Außenfassaden von Gebäuden, Wärmedamm-Verbundsystem mit derartigen Fassadendämmplatten sowie Verfahren zur Herstellung einer Fassadendämmplatte
GB201012860D0 (en) 2010-07-30 2010-09-15 Rockwool Int Method for manufacturing a fibre-containing element and element produced by that method
DE102012017092B4 (de) * 2012-08-29 2014-08-21 TRüTZSCHLER GMBH & CO. KG Zuführsystem für textile Verarbeitungsmaschinen
CN104032413B (zh) * 2014-05-28 2016-04-13 苏州潮盛印花制版实业有限公司 一种拍打式棉花除杂装置
FI127694B (fi) * 2016-11-16 2018-12-14 Paroc Group Oy Menetelmä kaksi- tai useampikerroksisen mineraalivillaeristeen valmistamiseksi
CN111455560B (zh) * 2020-04-27 2022-07-05 邵庆河 一种智能化的纸尿裤棉絮加工设备
CN115418751B (zh) * 2022-08-16 2023-11-03 库车利华纺织有限公司 一种纺织机械单轴流开棉机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2589008A (en) † 1947-07-03 1952-03-11 Owens Corning Fiberglass Corp Apparatus for forming fibrous mats
GB923715A (en) † 1958-08-26 1963-04-18 I S Kahler And Co Porous structures and production thereof from mineral wool
GB2204385A (en) † 1987-05-02 1988-11-09 Bosch Gmbh Robert Electromagnetic actuable valve
EP1111113A2 (fr) † 1996-03-25 2001-06-27 Rockwool International A/S Procédé et appareil de production d'un panneau en fibres minérales

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3050427A (en) * 1957-04-29 1962-08-21 Owens Corning Fiberglass Corp Fibrous glass product and method of manufacture
FR2548695B1 (fr) * 1983-07-07 1986-06-20 Saint Gobain Isover Formation de feutres a structure isotrope
FR2591621B1 (fr) * 1985-12-17 1988-02-19 Saint Gobain Isover Formation de flocons fibreux mineraux et reconstitution de matelas isolants avec ces flocons
CA2032229C (fr) * 1989-12-19 2001-10-16 Paolo Baracchini Matelas thermo-isolant en fibres minerales a orientation aleatoire
FR2682403B1 (fr) * 1991-10-09 1996-06-07 Saint Gobain Isover Materiau isolant a souffler.
PL179019B1 (pl) * 1994-01-28 2000-07-31 Rockwool Int Sposób wytwarzania utwardzonej wstegi z wlókien mineralnych PL
DE19728523A1 (de) * 1997-07-04 1999-01-07 Erfurtgemuese E G Verfahren und Vorrichtung zur Herstellung textiler Flächengebilde
DE19834963A1 (de) * 1998-08-03 2000-02-17 Pfleiderer Daemmstofftechnik G Vorrichtung und Verfahren zur Herstellung von Mineralwollevlies

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2589008A (en) † 1947-07-03 1952-03-11 Owens Corning Fiberglass Corp Apparatus for forming fibrous mats
GB923715A (en) † 1958-08-26 1963-04-18 I S Kahler And Co Porous structures and production thereof from mineral wool
CH371730A (de) † 1958-08-26 1963-08-31 Kaehler & Co I Verfahren zur Herstellung steifer und formfester Platten oder Bänder aus Mineralwollfasern
GB2204385A (en) † 1987-05-02 1988-11-09 Bosch Gmbh Robert Electromagnetic actuable valve
EP1111113A2 (fr) † 1996-03-25 2001-06-27 Rockwool International A/S Procédé et appareil de production d'un panneau en fibres minérales

Also Published As

Publication number Publication date
ATE434676T1 (de) 2009-07-15
ES2329129T5 (es) 2014-03-12
EP1571247B1 (fr) 2009-06-24
EP1571247A3 (fr) 2006-03-29
DK1571247T4 (da) 2014-02-17
EP1571247A2 (fr) 2005-09-07
DK1571247T3 (da) 2009-11-02
DE10359902A1 (de) 2005-07-21
PL1571247T5 (pl) 2014-04-30
PL1571247T3 (pl) 2009-12-31
ES2329129T3 (es) 2009-11-23
DE502004009648D1 (de) 2009-08-06

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