WO2019199236A1 - Appareil de défibrage comprenant des roues tournantes et procédé de défibrage par fusion - Google Patents

Appareil de défibrage comprenant des roues tournantes et procédé de défibrage par fusion Download PDF

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Publication number
WO2019199236A1
WO2019199236A1 PCT/SI2018/050013 SI2018050013W WO2019199236A1 WO 2019199236 A1 WO2019199236 A1 WO 2019199236A1 SI 2018050013 W SI2018050013 W SI 2018050013W WO 2019199236 A1 WO2019199236 A1 WO 2019199236A1
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WIPO (PCT)
Prior art keywords
rotating
rotating wheel
melt
adjacent
disks
Prior art date
Application number
PCT/SI2018/050013
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English (en)
Inventor
Francelj TRDIČ
Miha TRDIČ
Original Assignee
Izoteh D.O.O.
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.)
Filing date
Publication date
Application filed by Izoteh D.O.O. filed Critical Izoteh D.O.O.
Priority to PCT/SI2018/050013 priority Critical patent/WO2019199236A1/fr
Publication of WO2019199236A1 publication Critical patent/WO2019199236A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/04—Manufacture of glass fibres or filaments by using centrifugal force, e.g. spinning through radial orifices; Construction of the spinner cups therefor
    • C03B37/05—Manufacture of glass fibres or filaments by using centrifugal force, e.g. spinning through radial orifices; Construction of the spinner cups therefor by projecting molten glass on a rotating body having no radial orifices
    • C03B37/055—Manufacture of glass fibres or filaments by using centrifugal force, e.g. spinning through radial orifices; Construction of the spinner cups therefor by projecting molten glass on a rotating body having no radial orifices by projecting onto and spinning off the outer surface of the rotating body

Definitions

  • the technical problem to be overcome by present invention is limited capacity of mineral wool production.
  • Typical spinning machine consists of 3 to 4 fiberizing rotating wheels, also known as the spinning wheels, or rotors. Further, there is a collecting chamber wherein fiber which is produced is collected.
  • the mineral melt discharged from the melting furnace or similar device for heating up and melting raw materials used in mineral wool formation forms a nearly vertical melt stream as it is poured onto the spinning machine.
  • the melt stream is directed towards the mantle surface of the first contact rotating wheel where it partly adheres to the surface, is drawn in motion and forms a melt film.
  • a part of the melt forms, with the aid of the centrifugal force, liquid ligaments that solidify to the mineral wool fibers while the remaining quantity of the melt is thrown out as a cascade of drops against the mantle surface of the adjacent second rotating wheel in the series.
  • Binder may be applied on the formed mineral fibers, either during fiber formation or afterwards, in form of a droplet spray.
  • the mineral fibers formed on the rotating wheels of the spinning machine are transported away from the point of origin on the melt film, initially in the radial direction due to the centrifugal force.
  • the fibers As the fibers enter the zone of the coaxial air flow generated by the spinning machine fan, i.e. the blow -in flow, they are drawn in predominantly axial motion and transported to the collecting chamber where the primary layer of the mineral wool is formed.
  • Fiber formation is achieved through competing centrifugal force and air entrainment force by virtue of air blowing onto the rotating wheel on one side, and viscous and surface tension forces keeping melt film to the rotating wheel on another side.
  • former exceed latter the melt is lifted from the rotating wheel, the droplets are elongated until they stretch and solidify in form of a fiber.
  • the process may vary from this description, however, this does not alter the essence of this invention as described below.
  • Fiberizing apparatus and method of melt fiberization solve above referenced problem of increasing of production of mineral wool without unduly increasing size of collecting chamber or increasing number of rotating wheels along melt path beyond four rotating wheels by forming at least two separate melt paths on the same first rotating wheel by separating said first rotating wheel into two separate regions, each of said regions moving with different angular velocity.
  • the fiberizing apparatus is comprised of at least one first rotating wheel onto which said mineral melt is poured.
  • Said first rotating wheel is separated into at least two separate regions which rotate relatively one to another with same or different angular velocity.
  • two such regions exist, and rotate in different directions, for example, the first region of the first rotating wheel rotates in clock-wise direction while the second region of the first rotating wheel rotates in the counter-clock-wise direction.
  • radial surface of a disk or of a rotating wheel is a surface formed along circumference of said disk or of said rotating wheel, i.e. side surface area of a cylinder (essentially right circular cylinder but of course permitting deviation into some other base other than circle) as known in geometry, said rotating wheel or rotating disk essentially having shape of a cylinder, preferably essentially right circular cylinder.
  • perimeter or circumference relates to lateral area of three dimensional body, i.e. radial surface of a disk or of a rotating wheel is a lateral area of a cylinder in addition to its usual two dimensional definition.
  • the apparatus according to this invention may further comprise additional rotating wheels onto which melt is poured along the melt path.
  • each rotating wheel In preferred embodiment there are six rotating wheels.
  • the first, and the third rotating wheel are each separated into two regions, each region of each rotating wheel rotating in different direction to adjacent region of the same rotating wheel.
  • the melt flows onto the first rotating wheel in two separate streams, one stream per region.
  • Each stream follows its own route, the first stream denoted by, for example, with letter“L”, the second with, for example, with letter“R”.“L” stands for“left” side looking (in direction) toward collecting chamber, and“R” for right looking (in direction) toward collecting chamber.
  • the setup comprises rotating wheels and collecting chamber for collecting of said fiber formed in accordance with this description, and follows basic setup as known in state of the art referenced herein.
  • the first stream impinges onto the surface of the first region of the first rotating wheel which is, for example, rotating in clock-wise direction, again, looking from direction of collecting chamber.
  • This first stream is thrown onto the second“L” rotating wheel, which is formed of one region only, and rotates in, for example, counter-clock-wise direction.
  • the first melt stream is thrown onto the first region of the third rotating wheel, again rotating in clock-wise direction.
  • the melt is finally thrown onto the fourth“L” rotating wheel, again rotating in counter-clock-wise direction, said fourth“L” rotating wheel again formed of one region only.
  • the second stream impinges onto the surface of the second region of the first rotating wheel which is, for example, rotating in counter-clock-wise direction.
  • This second stream is thrown onto the second“R” rotating wheel, which is formed of one region only, and rotates in, for example, clock-wise direction. From the second“R” rotating wheel the second melt stream is thrown onto the second region of the third rotating wheel, said region again rotating in counter-clock-wise direction. From this, third rotating wheel, the melt is finally thrown onto the fourth“R” rotating wheel, again rotating in clock-wise direction, said fourth“R” rotating wheel again formed of one region only.
  • This embodiment therefore has six rotating wheels: the first rotating wheel, the second“L” rotating wheel, the third rotating wheel, the fourth“L” rotating wheel, the second“R” rotating wheel and the fourth“R” rotating wheel.
  • said first rotating wheel, and said third rotating wheel are formed of two regions, rotating in different directions, the first (for example) region of said first rotating wheel and said third rotating wheel in clock-wise direction, and the second region of said first rotating wheel and said third rotating wheel in counter-clock-wise direction.
  • the fibers are formed in usual fashion - by air blowing in direction essentially collinear to axes of said rotating wheels, from said rotating wheels toward inner parts of collection chamber.
  • Fiberizing apparatus for forming of mineral wool is comprised of at least one first rotating wheel, said first rotating wheel having a radial surface along the perimeter of said first rotating wheel, said first rotating wheel having at least one melt stream impinging on said radial surface of said first rotating wheel, said melt forming a layer on at least part of said radial surface of said first rotating wheel,
  • said first rotating wheel is comprised of either:
  • each of said regions formed in a shape of a rotating disk having a radial surface along the perimeter of said disk, each region rotating with different angular velocity to its adjacent region, and further each of said regions having at least one melt stream impinging on each of radial surfaces of respective region of said first rotating wheel, or
  • each of said rotating disks having a radial surface along the perimeter of said rotating disk, each rotating disk rotating with different angular velocity to its adjacent rotating disk, and further each of said rotating disks having at least melt stream impinging on each of radial surfaces of respective disk of said first rotating wheel.
  • Fiberizing apparatus is further characterized in that each of said regions of said first rotating wheel is rotating in direction opposite to direction of rotation of adjacent region.
  • Fiberizing apparatus is further characterized in that each of said rotating disks of said first rotating wheel is rotating in direction opposite to direction of rotation of adjacent rotating disk.
  • Fiberizing apparatus according to any of preceding claims wherein at least one second rotating wheel, and at least one third rotating wheel,
  • said third rotating wheel comprised of either:
  • each of said regions formed in a shape of a rotating disk having a radial surface along the perimeter of said disk, each region rotating with different angular velocity to its adjacent region, or
  • each of said rotating disks rotating about different yet parallel axes, each of said rotating disks having a radial surface along the perimeter of said disk, each rotating disk rotating with different angular velocity to its adjacent rotating disk,
  • said first rotating wheel, said second rotating wheel, and said third rotating wheel in fluid connection one to another via said at least one melt stream.
  • Fiberizing apparatus according to any of preceding claims wherein at least one fourth rotating wheel.
  • Fiberizing apparatus is further characterized by one of said rotating disks of the same rotating wheel having smaller diameter than the other rotating disk of the same rotating wheel, said difference in diameter chosen among the group containing at least 50 mm, at least 40 mm, at least 30 mm, at least 20 mm, at least 10 mm, at least 5 mm, at least 1 mm, at least 0.1 mm.
  • Method of melt fiberization is comprised of the following steps:
  • Method of melt fiberization is further composed of forming at least two distinct paths of mineral streams meandering through rotating wheels of melt fiberization apparatus as follows:
  • Method of melt fiberization is further composed of having each of said either two adjacent regions or two adjacent rotating disks of said first rotating wheel, respectively, rotating in opposite directions one to another.
  • Method of melt fiberization is further composed of having each of said either two adjacent regions or two adjacent rotating disks of said third rotating wheel, respectively, rotating in opposite directions one to another.
  • Figure 1 shows“front” rotating disk of the first rotating wheel (1L),“rear” rotating disk of the first rotating wheel (1R),“left” second rotating wheel (2L),“right” second rotating wheel (2R), “front” rotating disk of the third rotating wheel (3L),“rear” rotating disk of the third rotating wheel (3R),“left” fourth rotating wheel (4L),“right” fourth rotating wheel (4R),“left” melt stream (5L),“right” melt stream (5R),“left” groove (trough) (6L),“right” groove (trough) (6R), “left” part of melt exiting receptacle (7L),“right” part of melt exiting receptacle (7R), melt exiting melting device such as furnace (8), receptacle (9), angle (10) of receptacle.
  • melt exiting melting device such as furnace (8), receptacle (9), angle (10) of receptacle.
  • Figure 2 shows“front” rotating disk of the first rotating wheel (1L),“rear” rotating disk of the first rotating wheel (1R),“left” second rotating wheel (2L),“right” second rotating wheel (2R), “left” fourth rotating wheel (4L),“right” fourth rotating wheel (4R),“left” melt stream (5L), “right” melt stream (5R),“left” groove (6L),“right” groove (6R), melt exiting melting device such as furnace (8), receptacle (9),“left” melt layer on“front” rotating disk (11L),“right” melt layer on“rear” rotating disk (11R),“left” melt layer on“left” second rotating wheel (12L), “right” melt layer on“right” second rotating wheel (12R),“left” melt layer on“left” fourth rotating wheel (14L),“right” melt layer on“right” fourth rotating wheel (14R), air blowing for “left” part (15L), air blowing for“right” part (15R), location of melt layer on“left” side measuring from edge of a rotating wheel from housing side of collecting chamber (16L
  • a melt (8) from device for melting of minerals flows into separating receptacle (9) providing for splitting of said melt (8) into“left” and“right” melt streams.
  • part of said melt (7R) is flowing into a“right” groove (6R) for right part of fiberizing apparatus, and reminder of said melt (7L) is flowing into a“left” groove (6L) for left part of fiberizing apparatus.
  • Both said“right” and“left” grooves (6R, 6L) are connected to a mechanical positioning device which enables for separate positioning of each said groove in all directions (forward-backward, left-right, up-down) as well as rotation of the same.
  • the positioning of said groove provides for positioning of point of impact of said melt stream onto respective region of the first rotating wheel (1R, 1L). This positioning is performed with help and based on visual detection of melt stream position as well as information on melt layer obtained with analysis of images obtained by at least one camera.
  • the first rotating wheel is comprised of two regions in form of two rotating disks (1L, 1R) rotating in opposite direction relative one to another, and sharing essentially same axis of rotation. It should be said that the disks can have each own, and separated axis of rotation as long as said rotating disks are adjacent one to another in axial direction, this is to say that they are adjacent one to another and their axes of rotation are essentially parallel to each other with distance between said axes less than radius of smaller of said rotating disks.
  • These two rotating disks (1L, 1R) comprise each radial surface along the perimeter of each rotating disk. In preferred embodiment these two rotating disks rotate in clock-wise direction (1L) and counter- clock-wise direction (1R).
  • rotation of said rotating disks (1L, 1R) is provided by shafts placed one inside another, i.e. one of the shafts drives one of said rotating disks (e.g. 1L), and another shaft drives another of said rotating disks (e.g. 1R).
  • “front” rotating disk and“rear” rotating disk are used.“Front” rotating disk is a rotating disk which is proximal to inside volume of collecting chamber related to another rotating disk, and “rear” rotating disk is a rotating disk which is distal to inside volume of collecting chamber.
  • (1L) rotating disk is“front” rotating disk
  • (1R) rotating disk is“rear” rotating disk.
  • the third rotating wheel is arranged in a similar fashion to the first rotating wheel, i.e. it is comprised of two regions in form of two rotating disks (3L, 3R) rotating in opposite direction relative one to another, and sharing essentially same axis of rotation.
  • These two rotating disks (3L, 3R) comprise each radial surface along the perimeter of each rotating disk.
  • these two rotating disks rotate in clock-wise direction (3L) and counter-clock-wise direction (3R).
  • one of said second rotating wheels (2L) serves both“front” rotating disks (1L, 3L), and the other of said second rotating wheels (2R) serves both“rear” rotating disks (1R, 3R).
  • the fourth rotating wheel added.
  • One of said fourth rotating wheels (4L) serves rotating disks (2L, 3L), and the other of said fourth rotating wheels (4R) serves rotating disks (2R, 3R).
  • melt stream paths are formed, in this embodiment they are called “left” (denoted by letter L in the figures) path and“right” (denoted by letter R in the figures) path.
  • more than two separate melt stream paths can be formed by adding appropriate number of separate regions in form of rotating disks or separate rotating disks to form each of said rotating wheels (in this embodiment the first and the third but systems can be constructed and envisioned in which other rotating wheels such as the second or the fourth etc. can be separated in separate regions or formed by adjacent rotating disks).
  • “left” melt stream path is therefore initiated in“left” melt stream (5L) being poured from“left” groove (6L) onto said“front” rotating disk (1L) , said“front” rotating disk (1L) forming part of said first rotating wheel, said“left” melt stream (5L) forming melt layer on said radial surface of said“left” rotating disk (1L) to be thrown by centrifugal force resulting from said “front” rotating disk (1L) rotation onto the second rotating wheel (2L).
  • said“left” melt stream (5L) forms melt layer on said radial surface of said second rotating wheel (2L) to be thrown by centrifugal force resulting from said second rotating wheel (2L) rotation onto said “front” rotating disk (3L), said“front” rotating disk (3L) forming part of said third rotating wheel.
  • said“left” melt stream (5U) forms melt layer on said radial surface of said“front” rotating disk (3U) of said third rotating wheel to be thrown by centrifugal force resulting from said“front” rotating disk (3U) of said third rotating wheel rotation onto said fourth rotating wheel (4U).
  • This path is shown by sequential arrows (5U) in figure 1 accompanying this description.
  • said“left” melt stream (5U) functions as complete four rotating wheel centrifuge as known in state of the art (e.g. EP3046883, WO2016048249 etc.).
  • “right” melt stream path is therefore initiated in“right” melt stream (5R) being poured from“right” groove (6R) onto said“rear” rotating disk (1R) , said“rear” rotating disk (1R) forming part of said first rotating wheel, said“right” melt stream (5R) forming melt layer on said radial surface of said“right” rotating disk (1R) to be thrown by centrifugal force resulting from said“rear” rotating disk (1R) rotation onto the second rotating wheel (2R).
  • said“right” melt stream (5R) forms melt layer on said radial surface of said second rotating wheel (2R) to be thrown by centrifugal force resulting from said second rotating wheel (2R) rotation onto said “rear” rotating disk (3R), said“rear” rotating disk (3R) forming part of said third rotating wheel.
  • said“right” melt stream (5R) forms melt layer on said radial surface of said“rear” rotating disk (3R) of said third rotating wheel to be thrown by centrifugal force resulting from said“rear” rotating disk (3R) of said third rotating wheel rotation onto said fourth rotating wheel (4R).
  • This path is shown by sequential arrows (5R) in figure 1 accompanying this description.
  • Another technical and unforeseen advantage of invention as described herein is capture of part of“left” melt stream (5L) being thrown into the direction of“right” melt stream (5R) by“left” rotating disks and rotating wheels (1L, 2L, 3L, 4L), and vice-versa, capture of part of“right” melt stream (5R) being thrown into the direction of“left” melt stream (5L) by“right” rotating disks and rotating wheels (1R, 2R, 3R, 4R).
  • the first rotating wheel is formed of two rotating disks (1L, 1R), rotating in opposite direction one to another.
  • the third rotating wheel is formed of two rotating disks (3L, 3R), rotating in opposite direction one to another.
  • both rotating disks of the same rotating wheel (1L, 1R, 3L, 3R) were each driven by separate shaft.
  • Shafts of the same rotating wheel are designed in such a way to enable operation of one shaft being positioned inside the other shaft, and rotating in opposite direction.
  • Figure 1 shows one example of direction of rotating wheels, however, directions of rotation can be different. All rotating wheels and/or rotating disks can rotate in same direction yet with different angular velocities, or in opposite directions to one shown. Some rotating wheels or rotating disks can rotate in one direction, and other in different direction. This change in direction will have had resulted in different melt stream (5L, 5R) paths, having better or worse performance in form of fiber formation. In general, longer meandering path tends to utilize melt better, and accommodate larger quantities of fiber produced.
  • 5L, 5R melt stream
  • the melt (8) from the melt furnace or similar device is split into two parts by tilting receptacle (9).
  • the regulation of angle (10) of said receptacle (9) provides for similar capacity for“right” side (7R) and“left” side (7L) of the centrifuge based on regulation model, said model taking into account flow load of each rotating wheel and flow properties of melt stream including droplet cascade, these properties determined from images captured by at least one camera monitoring the process of fiber formation.
  • each of said grooves (6L, 6R) is equipped with its own positioning device, preferably mechanical positioning device providing for positioning of each of said groove (6L, 6R) in order to provide for optimal feed of said“left” and“right” centrifuges (7L, 7R). It should of course be stated that division in two centrifuges is conceptual as in fact these rotating wheels and/or rotating disks described herein form part of the same device called centrifuge in state of the art.
  • the melt stream falls in two parts (5L, 5R), respectively onto“left” and“right” rotating disk (1L, 1R) of the first rotating wheel, respectively, and continues the path on radial surfaces of rotating wheels and/or rotating disks as described herein (2L, 3L, 4L, and 2R, 3R, 4R, respectively).
  • the primary function of the first rotating wheel is transport of melt
  • the secondary function of the first rotating wheel is spreading of the melt which is the primary function of all other rotating wheels.
  • Spreading of the melt results in formation of a layer on the radial surface of said rotating wheels and/or rotating disks, the result of which is formation of the fiber as a result of centrifugal forces as known in state of the art and incorporated herein by reference.
  • the embodiment as described herein offers significant increase of utilized surface area over classical four-rotating wheel centrifuge and present significant improvement over state of the art. Larger total film length (i.e. length of melt stream along all radial surfaces where melt is present) provides for larger capacity of invention as described herein.
  • arrangement with the second and the fourth rotating wheel provide for better efficiency as these rotating wheels capture not only melt thrown by its respective rotating wheels (e.g. capture of melt by 2L thrown by 1L) but also, especially in the first third of rotating (but not limited to that) melt thrown by the other path rotating wheels (e.g. capture of melt by 2L thrown by 1R), this having additional surprising technical effect.
  • the melt layer (12L) forms mostly on the second third (16L-17L) of width of the rotating wheels (2L and 4L), i.e. to the“front” part of the centrifuge.
  • the“left” part of the centrifuge in this embodiments features blowing nozzles (15L) which are formed in such a way that exit velocity of air is larger (including and not limited to significantly larger) as for“right” part of the centrifuge (15R) as the distance to the film (16L) is larger in the“left” part of the centrifuge as in the“right” part of the centrifuge, providing for similar blowing air velocity at the melt layer regions (12L, 12R).
  • the cooling system for the first (1L, 1R) and the third (3L, 3R) rotating wheels is in this embodiment (but not limited to this design) designed so maximum cooling is provided approximately in the middle width of said rotating wheels as the melt layer (11L, 11R) tends to be thickest there.
  • the melt layer (12R, 14R) is mostly in position (16R) proximal to centrifuge housing, said housing comprised of walls and known in state of the art (e.g. WO2015142294).
  • the cooling for this area is formed in such a fashion that maximum cooling is provided around position (16R) of width of the rotating wheel and/or disk for this embodiment.
  • the melt layer (12L, 14L) is mostly in position (16L) distal to centrifuge housing, said housing comprised of walls and known in state of the art (e.g. WO2015142294).
  • the cooling for this area is formed in such a fashion that maximum cooling is provided around position (16L) of width of the rotating wheel and/or disk for this embodiment.
  • melt streams (5L, 5R) would fall onto area where both rotating disks (1L, 1R) of the first rotating wheel are in closest proximity.
  • the position of impinging of said melt streams (5L, 5R) onto said rotating disks (1L, 1R), respectively, is regulated by means of positioning device, preferably mechanical positioning device, each of melt streams regulated by separate positioning device providing for translation and rotation, preferably translation front-back, left-right.
  • Fiberizing apparatus is further characterized by forming“left” and “right” part of the centrifuge following“left” (1L, 2L, 3L, 4L) rotating disks and/or rotating wheels and“right” (1R, 2R, 3R, 4R) rotating disks and/or rotating wheels, respectively, wherein separate blowing nozzles (15L, 15R) are provided in order to provide for separate blowing air velocity of“left” and“right” part of the centrifuge resulting in similar velocity of air around “left” (12L, 14L) melt layer and“right” (12R, 14R) melt layer respectively.
  • Fiberizing apparatus is further characterized by combined width of rotating disks (1L+1R) is similar to width of narrower of said second rotating wheels (2L, 2R), wherein said combined width of rotating disks (1L+1R) is chosen from the following group: -10 to +10% of width of narrower of said second rotating wheels (2L, 2R), -20 to +20% of width of narrower of said second rotating wheels (2L, 2R), -30 to +20% of width of narrower of said second rotating wheels (2L, 2R).
  • Fiberizing apparatus is further characterized by the position of impinging of said melt streams (5L, 5R) onto said rotating disks (1L, 1R), respectively, is regulated by means of positioning device, preferably mechanical positioning device, each of melt streams regulated by separate positioning device providing for translation and rotation, preferably translation front-back, left-right.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

La présente invention concerne un appareil de défibrage et un procédé de défibrage par fusion qui résolvent le problème d'augmentation de la production de laine minérale sans augmenter indûment la taille de la chambre de collecte ni augmenter le nombre de roues tournantes le long d'un trajet de fusion au-delà de quatre roues tournantes en formant au moins deux trajets de fusion séparés sur la même première roue tournante en séparant ladite première roue tournante en deux régions distinctes, chacune desdites régions se déplaçant à une vitesse angulaire différente.
PCT/SI2018/050013 2018-04-11 2018-04-11 Appareil de défibrage comprenant des roues tournantes et procédé de défibrage par fusion WO2019199236A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/SI2018/050013 WO2019199236A1 (fr) 2018-04-11 2018-04-11 Appareil de défibrage comprenant des roues tournantes et procédé de défibrage par fusion

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Application Number Priority Date Filing Date Title
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807048A (en) * 1952-12-30 1957-09-24 Johns Manville Apparatus for forming fibers
US4119421A (en) * 1976-06-30 1978-10-10 Rockwool Aktiebolaget Arrangement for fibration of molten mineral
US5356450A (en) * 1990-09-28 1994-10-18 Rockwool International A/S Processs and apparatus for making mineral wool fibres
WO2003008353A1 (fr) * 2001-07-20 2003-01-30 Paroc Group Oy Ab Procede et appareil de fabrication de laine minerale
WO2015142294A1 (fr) 2014-03-17 2015-09-24 Izoteh D.O.O. Chambre de collecte et procédé de formation de fibres
WO2016048249A1 (fr) 2014-09-25 2016-03-31 Izoteh D.O.O. Procédé et dispositif de production de fibres de laine minérale
EP3046883A1 (fr) 2013-09-20 2016-07-27 Izoteh d.o.o. Appareil et procédé de surveillance du flux en fusion à l'intérieur d'un dispositif de fibérisation

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807048A (en) * 1952-12-30 1957-09-24 Johns Manville Apparatus for forming fibers
US4119421A (en) * 1976-06-30 1978-10-10 Rockwool Aktiebolaget Arrangement for fibration of molten mineral
US5356450A (en) * 1990-09-28 1994-10-18 Rockwool International A/S Processs and apparatus for making mineral wool fibres
WO2003008353A1 (fr) * 2001-07-20 2003-01-30 Paroc Group Oy Ab Procede et appareil de fabrication de laine minerale
EP1409423A1 (fr) 2001-07-20 2004-04-21 Paroc Group Oy Ab Procede et appareil de fabrication de laine minerale
EP3046883A1 (fr) 2013-09-20 2016-07-27 Izoteh d.o.o. Appareil et procédé de surveillance du flux en fusion à l'intérieur d'un dispositif de fibérisation
WO2015142294A1 (fr) 2014-03-17 2015-09-24 Izoteh D.O.O. Chambre de collecte et procédé de formation de fibres
WO2016048249A1 (fr) 2014-09-25 2016-03-31 Izoteh D.O.O. Procédé et dispositif de production de fibres de laine minérale

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