EP1106743B1 - Verfahren und Vorrichtung zur Herstellung einer Faserdämmstoffbahn - Google Patents
Verfahren und Vorrichtung zur Herstellung einer Faserdämmstoffbahn Download PDFInfo
- Publication number
- EP1106743B1 EP1106743B1 EP00710034A EP00710034A EP1106743B1 EP 1106743 B1 EP1106743 B1 EP 1106743B1 EP 00710034 A EP00710034 A EP 00710034A EP 00710034 A EP00710034 A EP 00710034A EP 1106743 B1 EP1106743 B1 EP 1106743B1
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- EP
- European Patent Office
- Prior art keywords
- fibrous web
- process according
- cover layer
- partial webs
- large surfaces
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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.)
- Expired - Lifetime
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Images
Classifications
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- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
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- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
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- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
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- 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
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/7654—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings
- E04B1/7658—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings comprising fiber insulation, e.g. as panels or loose filled fibres
- E04B1/7662—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings comprising fiber insulation, e.g. as panels or loose filled fibres comprising fiber blankets or batts
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- E—FIXED CONSTRUCTIONS
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- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
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- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
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- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
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- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
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- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
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- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
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- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B2001/7683—Fibrous blankets or panels characterised by the orientation of the fibres
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- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
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- 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
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B2001/7687—Crumble resistant fibrous blankets or panels using adhesives or meltable fibres
Definitions
- the invention relates to a method for producing a particular single Insulation panels of mineral fibers splittable Faserdämmstoffbahn with substantially mineral fibers oriented at right angles to their large surfaces, in which the mineral fibers withdrawn from a collection chamber and on a Conveyor belt as a primary web substantially parallel to the large surfaces aligned mineral fibers are deposited.
- the invention further relates a device for carrying out the method with a conveyor belt for conveying a primary web of mineral fibers from a collection chamber to a Pendulum station.
- Mineral wool insulation materials consist of vitreous solidified fibers, which can be classified as non-combustible insulating materials in order to maintain the elastic-springy properties, but with less than 8% by mass, with mineral wool insulation materials made of rock wool with approx 4% by mass of binders, in particular phenol-formaldehyde-urea resins are bonded. Inorganic binders, such as organic silicic acid compounds that react via sol-gel processes, are also used. Flexible, compressible mineral wool insulation materials made of glass wool have densities of less than 30 kg / m 3 . Comparable mineral wool insulation materials made of rock wool, which contain not inconsiderable amounts of non-fibrous constituents, are produced with densities between approximately 23 to 45 kg / m 3 . In addition, mechanically resilient mineral wool insulating materials, for example, for the insulation of flat roof constructions are known, the bulk densities greater than 130 kg / m 3 have. Such insulating materials can also be used in thermal insulation systems as plaster base plates.
- the mechanical and thermal properties of mineral wool insulation materials are u.a. depending on the orientation of the individual fibers. Are the fibers across the large surfaces of the mineral wool insulation aligned, the insulation material is compressible. At the same time the insulating material but also a low transverse tensile strength and thermal conductivity transverse to the fiber orientation. To mineral wool insulation materials with high strength values It is necessary to produce the individual fibers predominantly align at right angles to the large surfaces. This is usually a mass flow of fibers with its horizontal and flat inclined fibers inside by a continuous horizontal compression in one area folded between 1 to 2.5 and 1 to 3 with simultaneous vertical compression.
- binder drops, as it is here through the direct contact with the ambient air for a quick drying or Curing the binder comes. Furthermore, binder substance goes to the conveyor lost. In addition, rich on these surfaces of the primary nonwoven layers low binder fiber flakes and recycled fibers that form a composite weaken the fibers in this area from the outset.
- the Tempe- or Verfaltung of the fibers using the method described is in the Height limited, as with increasing thickness and increasing forces through Shaping mutual effects, such as parallel bearings to the can adjust to large surfaces. With increasing material thickness decreases also the uniformity of the structure.
- the endless fiber mass flow before Hardening furnace cut into sections, which sections subsequently to Rotated 90 °, compressed horizontally and compressed vertically by 20%. Also in this process, the fibers become underneath the large surfaces mostly horizontally stored, so that these areas to achieve optimal transverse tensile strength must be removed.
- Mineral wool insulation materials produced by this process have a maximum Material thickness of about 220 mm. Since in all process variants the Unfolding in the direction of production, are the bending, tensile and shear strength transverse to the production direction by a multiple higher than in production and Verfaltungsraum. To high transverse tensile strength at possibly even reduced To be able to achieve gross densities, insulation boards are made of such produced mineral wool insulation parallel to the production and unfolding direction sliced according to the desired insulation thickness. This process is relatively expensive, as it is not on the actual Production line can be done, but mostly using large format Sheets as semi-finished material on separate cutting and deflection systems must be performed.
- Lamella plates produced in this way which are often used as plaster base plates in external thermal insulation systems or as load-bearing insulating layer in sandwich constructions with metal sheets or wood wool lightweight panels as cover layers, are used to achieve a high shear or joint stiffness and a high transverse tensile strength of a particularly intensive Subjected to fiber layers.
- the gross densities of such lamella plates are in a range between about 70 to 105 kg / m 3 .
- the invention has for its object to provide a generic method and a generic device for implementing the method to the effect that fiber insulation webs can be prepared with an intense folding of the mineral fibers in a simple and cost-effective manner, whereby the mechanical properties in the two major axes of the horizontal plane are equal or nearly equal.
- the primary nonwoven is divided by at right angles to the large surfaces cuts in at least two, preferably several, in particular the same dimensions having partial webs that the partial webs are then rotated by 90 ° about its longitudinal axis and that the partial webs are suspended and joined together to form a secondary web.
- the partial webs of Primary fleece before turning about its longitudinal axis relative to the conveying plane one above the other to be ordered are after their rotation stacked around their longitudinal axis and together a pendulum device fed, which bounces the stack of partial webs to the primary web.
- the pendulum takes place in the horizontal direction in the conveying direction of the secondary web receiving conveyor belt.
- the partial webs and / or the secondary web during and / or compressed after flaring are substantially orthogonal directions.
- laterally arranged pressure bands are the secondary web or the partial webs compressed to the desired width.
- the compression is preferably carried out continuously to produce a uniformly compressed product.
- the secondary web then fed to a curing oven to cure the binder.
- the cover layer can be before or after the curing oven from the secondary web be separated.
- the mineral fibers are parallel to the large surfaces. If the cover layer is separated after the hardening furnace, so this results in a marketable product with pronounced laminar structure, the corresponding density, for example, for impact sound insulation can be used under floating screed.
- the cover layer separated is before the secondary web is fed to a curing oven.
- the cover layer uncured binder so that the cover layer after separation nor in terms of their material properties can be changed.
- the application-specific required bulk density of the cover layer by compression of the cover layer be set at uncured binder.
- the cover layer only after the passage of the secondary web is separated by the curing oven.
- the inventive method has the advantage that over several pendulums a plurality of nonwoven layers are guided to each other, for example, a Faserdämmstoffbahn to produce, which is sandwiched.
- a Faserdämmstoffbahn to produce, which is sandwiched.
- the primary nonwoven fabric with one or more nonwoven layers, in particular different properties is joined together. It can therefore, for example Nonwoven layers with higher and / or lower density or with higher or lower degree of compression, wherein the joining of the different nonwoven layers before the curing oven takes place, so that the connection between the nonwoven layers in particular through the not yet cured binder is possible.
- the primary nonwoven is compressed before or during the pendulum.
- the surfaces of the Sub-webs are impregnated with binders before the sub-webs merged become.
- a development of the method according to the invention provides that between adjacent sub-webs reinforcing fabric and / or nonwovens, for example Glass, carbon, metal, temperature resistant plastic and / or Natural fibers are arranged.
- Such fabrics can be used as reinforcement of the Faserdämmstoffbahnen serve and increase the load capacity of this Faserdämmstoffbahn produced insulating panels.
- the secondary web is preferably perpendicular before and / or in the curing oven to compressed its large surfaces. In this way, a fiber insulation sheet produced with defined dimensions, without the risk of bulging the pulp in the curing oven consists.
- hot air is both perpendicular to the large Surfaces, as well as passed through the longitudinal sides of the secondary web to a higher efficiency of the curing oven and thus improved curing of the binder to achieve.
- the secondary web will also be up after hardening of the binder guided clamped on all sides.
- the secondary web After curing of the binder, the secondary web becomes parallel to its cut large surfaces into individual sections.
- This approach has the advantage that a downstream dryer for the fiber insulation in compact design can be designed.
- the individual sections will be stacked next to and / or on top of each other and fed to the dryer.
- the fiber insulation by cuts perpendicular to their large surfaces in individual plates cuboid configuration can be divided.
- the longitudinal sides of the secondary web after curing of the binder for Crop education flat surfaces.
- the invention is based task a generic device for carrying out the above-described Method solved in that the conveyor belt is a cutting device comprising, with the primary web in side by side on the conveyor belt lying partial webs is divisible and that the cutting device is a rotating device is connected downstream, with the individual partial webs relative to its longitudinal axis rotatable by 90 °, before entering the shuttle station to form a secondary web enter.
- the conveyor belt is a cutting device comprising, with the primary web in side by side on the conveyor belt lying partial webs is divisible and that the cutting device is a rotating device is connected downstream, with the individual partial webs relative to its longitudinal axis rotatable by 90 °, before entering the shuttle station to form a secondary web enter.
- the cutting device has one of the number n of the required partial webs corresponding Number of n-1 saws, especially as band or circular saws are formed.
- pendulum station are preferably paired pressure belts or Roller conveyors intended for all partial webs.
- the shuttle station is possible to form a partial web, so that the inventive device a the number of partial webs corresponding number of pairs arranged Has pressure bands or roller conveyors.
- the shuttle station a curing oven with at least two Pressure belts downstream of which is on the large surfaces of the secondary web rest and passed through a heated gas, in particular hot air becomes.
- two further printing tapes are provided, which are on the longitudinal sides of the secondary web abut, so that the secondary web is clamped on one side in this embodiment is and can be compressed if necessary in the direction of all surfaces.
- the applied pressure bands on the longitudinal sides are adjustable relative to each other arranged in the curing oven, so that they to different widths secondary nonwovens can be adapted or with appropriate setting a planned Transfer compression to the secondary web.
- the pressure bands applied to the longitudinal sides of the secondary web are permeable to air formed and in particular have openings through the heated Gas, especially hot air, is conductive to additional heat energy to introduce the secondary web to cure the binder.
- the impregnated with a binder in a collection chamber collected primary nonwoven depending on the width and the thickness in split two or more sublanes.
- the partial webs are subsequently superimposed and individually deflected by 90 ° about its longitudinal axis and thus standing on one side and led on a collecting conveyor belt.
- the one above the other arranged partial webs are then fed to a pendulum, the off two parallel conveyor belts exists, which is a common Vertical axis oscillate, so that the partial webs meandering together parked the collection conveyor belt.
- the partial webs of the primary web which inwardpendelter form the secondary web, to a desired Width compressed.
- the compression can also by stroke-like movement of these construction elements be executed.
- the direction of movement of the printing tapes or the Pressure rollers are preferably at right angles to the conveying direction of the secondary web. But there is also the possibility of compression under one to execute any angle in the direction of the conveying direction.
- the withdrawn from the collection chamber Primary fleece is divided into several sub-webs, which then individual swinging conveyors, consisting of conveyor belts or roller sets be supplied. In this procedure, the partial webs are individually pendulated before being subsequently brought together and arranged laterally Printing tapes are supplied.
- reinforcing fabrics or nonwovens made of glass, carbon, Metal, temperature-resistant plastics or natural fibers on the side surfaces the partial webs or the primary web or secondary web but also between the partial webs are provided.
- the fleeces are here with opposite fed to the partial webs of smaller width, since the primary web in a further intermediate step before or after the hardening furnace on its long sides is cropped. Due to the intensive configuration of the partial webs or the secondary web form the inserted fabric or nonwovens over the entire surface the insulating panels formed from the fiber insulation sheet effective reinforcing elements.
- reinforcing elements have an effect, in particular with regard to on the transverse tensile strength of the insulation boards and can do the inevitable time-dependent, by hygrothermal and / or hydromechanical Stress-related strength losses of such insulation not only too but also lead to more safety in the application of such Insulation materials.
- the collection conveyor belt can from several individual conveyor belts or roller sets or combinations of both construction elements exist with decreasing Speed are operated and thus a compression of the secondary web effect in the transport direction. Furthermore, in the transport direction, i.e. across the width of the production plant several narrow bands or Roller sets can be arranged distributed across the width of the production line be driven at different speeds. This will achieve that the compaction and the framing also in the central areas of the secondary web can be influenced. For example, a lower conveyor belt supplemented by a mirror-image arranged upper pressure band, which on the pulp mass to be folded or compressed acts.
- This print tape has first and foremost the task of favoring the composition, with a too large one Compression in the horizontal direction should be excluded as possible.
- the lower and upper subbands with projections protruding from their surface be formed, which engage in the pulp, in particular the secondary web and move the fibers relative to each other.
- the secondary web can have a thickness between 200 and 2000 mm with a bulk density of about 40 to 300 kg / m 3 .
- the secondary non-woven fabric in the region below its large surfaces at certain depth fibers, which are not formed substantially perpendicular to the large surfaces. Since a Faserdämmstoffbahn is to be produced, which has almost exclusively aligned at right angles to the large surfaces mineral fibers, these areas are subsequently separated by horizontally guided cutting tools from the secondary web.
- the separated fibers can be fed to an internal recycling process in a known manner and remelted. However, there is also the possibility that the separated fiber layers are again fed to the primary web directly or the fiber mass flow in the collection chamber after appropriate loosening.
- Such a curing oven is usually made of two stable stacked Pressure belts through which hot air is sucked.
- At heights of secondary nonwovens of less than 200 mm is applied to the sealing of the side surfaces of the Secondary fleece no special value.
- the secondary web remains about 2 to 15 minutes, preferably less than 10 minutes in the curing oven, so that relatively hot air with temperatures of about 250 to 320 ° C are used must be in order to achieve sufficient curing of the binder.
- relatively hot air with temperatures of about 250 to 320 ° C are used must be in order to achieve sufficient curing of the binder.
- a destruction of the organic substance of the binder is avoided, as this discoloration occur, the for sale of the product produced.
- the added to the hydrophobization of the fibers oils, oil emulsions or the like is not yet substantially voluminous.
- the secondary webs presented by the method according to the invention have a width between 500 and 2400 mm width and material thicknesses up to 2000 mm.
- the leadership of the hot air through the secondary web naturally occurs the shortest path, i. in the indicated variations between thicknesses and Widths from top to bottom or vice versa and in sections Reversal.
- side pressure bands which also Partially permeable to air, hot air can be added continuously from top to bottom sucked or pressed by the fiber mass and in addition can be entered or removed via the side print bands.
- the existing openings can be transferred as much energy as they are to Drying and curing of organic binders such as phenol, Formaldehyde, urea-resin mixtures or the like together with the existing moisture in the order of 3 to 10% by mass within of about 2 to 8 minutes is needed, with the secondary web at a temperature from about 120 to 170 ° C is heated.
- organic binders such as phenol, Formaldehyde, urea-resin mixtures or the like
- binders such as silicic acid dispersed as nanoparticles, which cure via sol-gel processes, appropriate changes of the heating and holding time are to be provided.
- the structure of the secondary nonwoven fixed After curing of the binder in the curing oven is the structure of the secondary nonwoven fixed, so that the endless secondary web are transported freely can.
- the secondary web is now to avoid energy loss in one heated and sufficiently thermally insulated drying duct passed, in which the evaporate in inclusions or the enriched there resin existing water can.
- a drying time of approx. 40 to 80 minutes At a temperature of approx. 150 ° C, a drying time of approx. 40 to 80 minutes provided.
- the drying process is effectively supported or abbreviated as appropriate.
- the pulp After leaving the drying channel, the pulp becomes air in the room cooled.
- the energy content of the exhaust air can be used to heat the dryer air be used.
- the endless secondary web is now cut horizontally or divided into individual sections, which then form insulating panels.
- a reduction in the length of the downstream Trockners can reach the secondary web after curing of the binder are divided into sections in the hardening furnace.
- This block-like Sections are stacked next to and / or above each other. The by this procedure incurred energy losses must be replaced by a corresponding Increase of the temperature, but especially by a longer residence time in be compensated for the dryer.
- the secondary nonwoven cooled down conventionally by room air after curing of the binder and horizontally in insulation boards of the desired dimensions and split vertically.
- These insulation boards are then individually or passed in stacks over an air-permeable belt and by means of hot air heated to about 120 to 170 ° C, preferably 150 to 160 ° C and then piled up to larger units to prevent energy losses and nachgetrocknet according to the described process technology.
- FIG. 1 shows a plan view of a section of a device for producing a device in individual insulation boards of mineral fibers splittable Faserdämmstoffbahn 1.
- a primary web 2 of a cutting device 3 is supplied, which Cutting device 3 has three bandsaws 4, which the primary web 2 in four side by side lying on a conveyor not shown Part webs 5 divides.
- the partial webs 5 are then passed over each other and then in a region 6 each rotated by 90 ° about its longitudinal axis.
- the meandering deposited partial webs 5 of the primary web 2 are then laterally arranged pressure belts 10 supplied with their pendulum device 7 facing away from each other ends are aligned. Between the printing tapes 10, the partial webs 5 of the primary web 2 are compressed. The partial webs 5 of the primary web 2 form a secondary web at this time 11th
- the secondary web 11 is essentially characterized in that its Einzelfasem predominantly perpendicular to the large surfaces of the secondary web 11 are aligned.
- the mineral fibers in the primary web 2 an orientation substantially parallel to the large Surfaces of the primary nonwoven 2 have. Only in the immediate area of large surfaces are the individual mineral fibers of the secondary web 11 by the compression and the unfolding of the primary web 2 or secondary web 11 substantially parallel to the large surfaces of the secondary web 11 aligned.
- the secondary web 11 is connected to the printing tapes 10 further pressure bands Supplied according to Figure 3, which on the large surfaces of the secondary web 11 act.
- Another cutting device 14 is arranged, which consists of two saws 15, which saws 15 horizontally and parallel to the large surfaces of the secondary web 11 are aligned so that by means of these saws 15 cover layers 16th be separated in the region of both large surfaces of the secondary web 11 can.
- the cover layers 16 comprise the region of the secondary nonwoven 11, which has a Fiber profile arranged parallel to the large surfaces of the secondary nonwoven 11 Mineral fibers.
- the curing oven 13 is a secondary web 11 with almost exclusively perpendicular to the large surfaces of the Sekundärvlieses 11 extending fiber assembly supplied.
- the hardening furnace 13 in turn consists of two acting on the large surfaces Conveyor belts 17, which are permeable to air, so that hot air in Direction of the arrows 18 shown in Figure 3 by the secondary web 11 diffuse can.
- the secondary web 11 is after leaving the curing oven 13 a not fed dryer shown to subsequently after drying to be cut into individual insulation boards.
- FIG. 1 An alternative embodiment of the section according to FIG. 1 is shown in FIG.
- the partial webs individual pendulum devices 19 fed each consisting of two roller conveyors 20, which a decreasing in the conveying direction according to arrow 21 distance from each other to have.
- the individually suspended partial webs 5 are then together two further roller conveyors 100 fed, between which the individually pendulum Part webs 5 are interconnected and compressed.
- the Roller conveyors 100 also have a decreasing direction in the direction of arrow 21 Distance from each other and perform the same task as the Printing tapes 10 of the embodiment according to FIG. 1.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
Description
- Figur 1
- eine erste Ausführung eines Abschnitts einer Vorrichtung zur Durchführung eines Verfahrens zur Herstellung einer Faserdämmstoffbahn in Draufsicht;
- Figur 2
- eine zweite Ausführungsform eines Abschnitts einer Vorrichtung zur Durchführung eines Verfahrens zur Herstellung einer Faserdämmstoffbahn und
- Figur 3
- ein weiterer Abschnitt der Vorrichtung gemäß den Figuren 1 oder 2 in Seitenansicht.
Claims (32)
- Verfahren zur Herstellung einer insbesondere in einzelne Dämmstoffplatten aus Mineralfasern aufteilbare Faserdämmstoffbahn (1) mit im wesentlichen rechtwinklig zu ihren großen Oberflächen ausgerichteten Mineralfasern, bei dem die Mineralfasem aus einer Sammelkammer abgezogen und auf einem Förderband als Primärvlies (2) mit im wesentlichen parallel zu den großen Oberflächen ausgerichteten Mineralfasern abgelegt werden,
dadurch gekennzeichnet,daß das Primärvlies (2) durch rechtwinklig zu den großen Oberflächen geführte Schnitte in zumindest zwei, vorzugsweise mehrere, insbesondere gleiche Abmessungen aufweisende Teilbahnen (5) aufgeteilt wird,daß die Teilbahnen (5) anschließend um 90° um ihre Längsachse gedreht werden unddaß die Teilbahnen (5) aufgependelt und zu einem Sekundärvlies (11) zusammengefügt werden. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß die Teilbahnen (5) des Primärvlieses (2) vor dem Drehen um ihre Längsachse relativ zu ihrer Förderebene übereinander angeordnet werden. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß die Teilbahnen (5) und/oder das Sekundärvlies (11) während und/oder nach dem Aufpendeln komprimiert werden bzw. wird. - Verfahren nach Anspruch 3,
dadurch gekennzeichnet, daß die Kompression in zwei im wesentlichen rechtwinklig zueinander ausgerichteten Richtungen erfolgt. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß das Sekundärvlies (11) einem Härteofen (13) zugeführt wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß von den großen Oberflächen des Sekundärvlieses (11) jeweils eine dünne Deckschicht (16) abgetrennt wird. - Verfahren nach Anspruch 6,
dadurch gekennzeichnet, daß aus der von zumindest einer großen Oberfläche des Sekundärvlieses (11) abgetrennten dünnen Deckschicht (16) ein Mineralfaserprodukt mit laminarer Struktur für die Trittschalldämmung unter insbesondere schwimmendem Estrich gebildet wird. - Verfahren nach Anspruch 6,
dadurch gekennzeichnet, daß die Deckschicht (16) abgetrennt wird, bevor das Sekundärvlies (11) einem Härteofen (13) zugeführt wird. - Verfahren nach Anspruch 6,
dadurch gekennzeichnet, daß die Deckschicht (16) getrennt vom Sekundärvlies (11) einem Härteofen (13) zugeführt wird. - Verfahren nach Anspruch 6,
dadurch gekennzeichnet, daß die Deckschicht (16) vor dem Härteofen (13) auf eine anwendungsspezifisch erforderliche Rohdichte komprimiert wird. - Verfahren nach Anspruch 6,
dadurch gekennzeichnet, daß die Deckschicht (16) abgetrennt wird, nachdem das Sekundärvlies (11) einem Härteofen (13) zugeführt wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß das Primärvlies (2) mit einer oder mehreren Vliesschichten, insbesondere unterschiedlicher Eigenschaften zusammengefügt wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß das Primärvlies (2) vor oder während des Aufpendelns gestaucht wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß die Oberflächen der Teilbahnen (5) bzw. der Deckschicht (16) mit Bindemitteln imprägniert werden. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß zwischen benachbarten Teilbahnen (5) verstärkende Gewebe und/oder Vliese aus beispielsweise Glas-, Kohlenstoff-, Metall-, temperaturbeständigen Kunststoff- und/oder Naturfasern angeordnet werden. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß das Sekundärvlies (11) und/oder die Deckschicht (16) vor und/oder im Härteofen (13) rechtwinklig zu seinen bzw. ihren großen Oberflächen komprimiert wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß in die großen Oberflächen des Sekundärvlieses (11) eine Struktur eingeprägt wird. - Verfahren nach Anspruch 5,
dadurch gekennzeichnet, daß im Härteofen (13) Heißluft sowohl rechtwinklig zu den großen Oberflächen als auch durch die Längsseiten des Sekundärvlieses (11) bzw. der Deckschicht (16) geleitet wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß das Sekundärvlies (11) bzw. die Deckschicht (16) bis nach der Aushärtung des Bindemittels allseitig eingespannt geführt wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß das Sekundärvlies (11) bzw. die Deckschicht (16) nach Aushärten des Bindemittels parallel zu seinen großen Oberflächen in einzelne Abschnitte geschnitten wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß das Sekundärvlies (11) bzw. die Deckschicht (16) nach Aushärten des Bindemittels durch rechtwinklig zu seinen großen Oberflächen verlaufende Schnitte in einzelne Platten quaderförmiger Ausgestaltung unterteilt wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß das Sekundärvlies (11) bzw. die Deckschicht (16) nach Aushärten des Bindemittels an seinen Längsseiten zur Bildung ebener Flächen beschnitten wird. - Verfahren nach Anspruch 5,
dadurch gekennzeichnet, daß das Sekundärvlies (11) bzw. die Deckschicht (16) nach dem Härteofen (13) einem Trockenkanal zugeführt wird. - Vorrichtung zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 18, mit einem Förderband (9) zur Förderung eines Primärvlieses (2) aus Mineralfasern von einer Sammelkammer zu einer Pendeleinrichtung (7),
dadurch gekennzeichnet, daß das Förderband eine Schneidvorrichtung (3) aufweist, mit der das Primärvlies (2) in nebeneinander auf dem Förderband liegende Teilbahnen (5) teilbar ist und daß der Schneidvorrichtung (3) eine Dreheinrichtung nachgeschaltet ist, mit der die einzelnen Teilbahnen (5) relativ zu ihrer Längsachse um 90° drehbar sind, bevor sie in die Pendeleinrichtung (7) zur Bildung eines Sekundärvlieses (11) einlaufen. - Vorrichtung nach Anspruch 19,
dadurch gekennzeichnet, daß die Schneidvorrichtung eine der Anzahl n der erforderlichen Teilbahnen (5) entsprechende Anzahl n-1 Sägen aufweist, die insbesondere als Bandsägen (4) oder Kreissägen ausgebildet sind. - Vorrichtung nach Anspruch 19,
dadurch gekennzeichnet, daß die Pendeleinrichtung (7) als paarig angeordnete Druckbänder (10) oder Rollenbahnen (100) für alle Teilbahnen (5) ausgebildet ist. - Vorrichtung nach Anspruch 19,
dadurch gekennzeichnet, daß die Pendeleinrichtung (7) als paarig angeordnete Druckbänder oder Rollenbahnen (20) jeweils für eine Teilbahn ausgebildet ist. - Vorrichtung nach Anspruch 19,
dadurch gekennzeichnet, daß der Pendeleinrichtung (7) eine Härteofen (13) mit zumindest zwei Druckbändern (17) nachgeschaltet ist, die auf den großen Oberflächen des Sekundärvlieses (11) aufliegen und durch die ein erwärmtes Gas, insbesondere Heißluft geleitet wird. - Vorrichtung nach Anspruch 23,
dadurch gekennzeichnet, daß im Härteofen (13) zwei weitere Druckbänder vorgesehen sind, die an den Längsseiten des Sekundärvlieses (11) anliegen. - Vorrichtung nach Anspruch 23 und/oder Anspruch 24,
dadurch gekennzeichnet, daß die Druckbänder relativ zueinander verstellbar im Härteofen (13) angeordnet sind. - Vorrichtung nach Anspruch 24,
dadurch gekennzeichnet, daß die Druckbänder (17) luftdurchlässig sind, insbesondere Öffnungen aufweisen, durch die ein erwärmtes Gas, insbesondere Heißluft leitbar ist. - Vorrichtung nach Anspruch 26,
dadurch gekennzeichnet, daß die Öffnungen auf den oberen Bereich, insbesondere die oberen Hälften der Druckbänder beschränkt sind.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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EP00710034A EP1106743B1 (de) | 1999-12-08 | 2000-11-20 | Verfahren und Vorrichtung zur Herstellung einer Faserdämmstoffbahn |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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DE19958973A DE19958973C2 (de) | 1999-12-08 | 1999-12-08 | Verfahren und Vorrichtung zur Herstellung einer Faserdämmstoffbahn |
DE19958973 | 1999-12-08 | ||
EP00123506 | 2000-10-27 | ||
EP00123506 | 2000-10-27 | ||
EP00710034A EP1106743B1 (de) | 1999-12-08 | 2000-11-20 | Verfahren und Vorrichtung zur Herstellung einer Faserdämmstoffbahn |
Publications (3)
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EP1106743A2 EP1106743A2 (de) | 2001-06-13 |
EP1106743A3 EP1106743A3 (de) | 2003-01-15 |
EP1106743B1 true EP1106743B1 (de) | 2005-04-06 |
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EP00710034A Expired - Lifetime EP1106743B1 (de) | 1999-12-08 | 2000-11-20 | Verfahren und Vorrichtung zur Herstellung einer Faserdämmstoffbahn |
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Families Citing this family (4)
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DE102005026656A1 (de) * | 2004-07-09 | 2006-02-02 | Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg | Herstellung einer Mineralfaserbahn mit weitgehend aufrecht stehenden Mineralfasern und Nutzung der dabei entstehenden Abfälle |
DE102005044051A1 (de) * | 2004-10-15 | 2006-05-04 | Deutsche Rockwool Mineralwoll Gmbh + Co Ohg | Gebäudedach sowie Dämmschichtaufbau und Mineralfaserdämmstoffelement für ein Gebäudedach |
DE102012018481A1 (de) * | 2012-09-19 | 2014-03-20 | Sandler Ag | Dämmstoff |
WO2018156691A1 (en) * | 2017-02-23 | 2018-08-30 | Zephyros, Inc. | Nonwoven fiber structure for use as an insulator |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1479960A (fr) * | 1965-05-17 | 1967-05-05 | Du Pont | Procédé de préparation de feuilles fibreuses à fibres généralement debout |
BE795596A (fr) * | 1972-02-17 | 1973-06-18 | Rockwool Ab | Procede et systeme pour fabriquer un produit stratifie en laine minerale et pour le rendre coherent |
DE2501045A1 (de) * | 1975-01-13 | 1976-07-15 | Ihlefeld Karl Helmut | Vorrichtung zum schneiden von faserlamellen aus mineralwolle |
DE3701592A1 (de) * | 1987-01-21 | 1988-08-04 | Rockwool Mineralwolle | Verfahren zur kontinuierlichen herstellung einer faserdaemmstoffbahn und vorrichtung zur durchfuehrung des verfahrens |
DK165926B (da) * | 1990-12-07 | 1993-02-08 | Rockwool Int | Fremgangsmaade til fremstilling af isoleringsplader sammensat af indbyrdes forbundne stavformede mineralfiberelementer |
DK42794A (da) * | 1994-04-13 | 1995-10-14 | Rockwool Int | Pladeformet isoleringselement |
DE4432866C1 (de) * | 1994-09-15 | 1996-02-01 | Rockwool Mineralwolle | Verfahren zur Herstellung einer Mineralfaserlamellenbahn und Vorrichtung zur Durchführung des Verfahrens |
CA2184836C (en) * | 1996-09-04 | 2000-03-14 | Jung-Fu Chien | Method for producing a variable density, corrugated resin-bonded or thermo-bonded fiberfill and the structure produced thereby |
-
2000
- 2000-11-20 EP EP00710034A patent/EP1106743B1/de not_active Expired - Lifetime
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EP1106743A3 (de) | 2003-01-15 |
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