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WO2007112471A1 - Procédé de fabrication de fibres minérales sans fin - Google Patents

Procédé de fabrication de fibres minérales sans fin Download PDF

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Publication number
WO2007112471A1
WO2007112471A1 PCT/AT2007/000155 AT2007000155W WO2007112471A1 WO 2007112471 A1 WO2007112471 A1 WO 2007112471A1 AT 2007000155 W AT2007000155 W AT 2007000155W WO 2007112471 A1 WO2007112471 A1 WO 2007112471A1
Authority
WO
WIPO (PCT)
Prior art keywords
melt
distribution channel
viscosity
rock
melting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/AT2007/000155
Other languages
German (de)
English (en)
Inventor
Taras Oleksandrovich Medvyedyev
Yury Lvovich Tsybulya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asamer Basaltic Fibers GmbH
Centre Competence 'basalt' LLC
Original Assignee
Asamer Basaltic Fibers GmbH
Centre Competence 'basalt' LLC
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 Asamer Basaltic Fibers GmbH, Centre Competence 'basalt' LLC filed Critical Asamer Basaltic Fibers GmbH
Priority to EP07718372A priority Critical patent/EP2004559A1/fr
Publication of WO2007112471A1 publication Critical patent/WO2007112471A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/26—Outlets, e.g. drains, siphons; Overflows, e.g. for supplying the float tank, tweels
    • 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
    • C03B37/08—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates

Definitions

  • the invention relates to the production technology of mineral fibers, in particular endless mineral fibers, from the raw material rock, in particular basalt rock, from mixtures on the basis of glass-containing industrial and technical waste products.
  • the discharge section for taking out the melt for flow supply to the nozzles is formed through an end opening of the flow feeder and through openings on the side surface of the flow feeder.
  • the melting of basalt rocks upon their viscosity be subject divided into the following groups: • high-viscosity melt having a viscosity of 15 Pa s at a temperature of 1450 ° C and about 100 Pa-s at a temperature of 1300 0 C,
  • Viscous melts having a viscosity of from 5 to 15 Pa.s at a temperature of 1450 ° C. and from 20 to 100 Pa.s at a temperature of 1300 ° C.
  • medium-viscosity melts with a viscosity of 3 to 5 Pa-s at a temperature of 1450 ° C and 10 to 20 Pa-s at a temperature of 1300 ° C and
  • Low-viscosity melts with a viscosity of less than 3 Pa-s at a temperature of 1450 ° C and less than 10 Pa-s at a temperature of 1300 ° C.
  • the highly viscous and viscous melts with an activation energy of less than 290 kJ / mol and acidity and viscosity modules of 3.75 to 6.0 and 2.05 to 2.6, are considered to be most suitable for the production of continuous fibers result.
  • medium-viscosity and low-viscosity melts are generally unsuitable for producing continuous fibers (MF Mahova, DD Dzigiris, GF Gorbacjv, TM Bacilo, Doslidzenna osnovnih vlastivostej rozplaviv girs'kih porid, Bazal'tovoloknisti kompozicijni materiali i konstrukci ⁇ : Naukova dumka, 1980, pp. 37-54).
  • a disadvantage of this method is the lack of consideration of the quality of the melt in the depth direction in the processing zone (distribution channel).
  • This patent application establishes a relationship between the melt conditioning parameters in the melting zone (melting furnace) and in the processing zone (distribution channel), but a disadvantage of this method is the lack of consideration of the quality of the melt in the depth direction in the processing zone (distribution channel).
  • the use of the ratio of the melting depth in the distribution channel to the height of the removal region which is less suitable for medium-viscosity and low-viscosity melts having a narrower temperature interval for processing, leads to an increase in the brittleness of the fibers by 40 to 50%. and more. With a ratio of the melting depth in the distribution channel to the height of the withdrawal region of 1.67, no stable fiber-forming process can be achieved from medium-viscosity or low-viscosity melts.
  • FIG. 1 shows the production method according to the invention in a greatly simplified schematic form.
  • the object is achieved by a production process for continuous mineral fibers from raw materials such as rock, in particular basalt rock, mixtures based thereon, glass-containing industrial and technical waste products, in which the said materials are melted in a melting furnace 1 comprising a molten zone 2 and the melt Flow feeders 3 in the processing zone 4 (in the distribution channel 5) is supplied, wherein in the processing zone 4, a removal area 9 for the melt for flow to the nozzle vessels 6 with nozzles 10 is formed such that the ratio of the melting depth 7 in the distributor channel 5 ( ie the depth / height of the melt in the processing zone 4, in particular in the distribution channel 5) to the height 8 of the melt in the removal region 9 in the range of 3.4 to 20.
  • the distribution channel 5 is also often referred to feeder channel or supply line or basin.
  • the melting furnace 2 comprises the melting zone 1 and the processing zone 4. As shown in FIG. 1, the melting depth 7 in the processing zone 4 is regulated, for example, by the soil level of the processing zone 4, which may be different from the soil level of the melting zone 1.
  • the extraction area 9 is the area bounded by the plane of the end opening of the flow feeder 3 and the plane connecting the lower edges arranged on the side surface of the flow feeder 3 and lower and lowest openings located in the processing zone 4, respectively.
  • materials having a particle size of 5 to 120 mm, preferably 20 mm to 80 mm are used.
  • the quality of the continuous fiber and the output in its processing depend on the homogeneity of the properties of the melt supplied to the nozzle vessel 6. Due to the low diathermy nature of rock, its complex composition and the high temperatures of the melt, it is virtually impossible to create a high degree of homogeneity in the entire volume of the distribution channel 5. It is therefore expedient to aim for this in a selected zone, which is called removal area 9.
  • the optimal size of the removal area 9 depends on the
  • basalt rock melts are characterized by low diathermy such that the melting depth 7 in the manifold 5, which provides for the presence of the melt at temperatures ranging from the melting temperature to the lower crystallization temperature, is an end-point which is also of depends on the type of basalt rock. Since the processing temperature interval of known basalt rocks is between 15 and 100 ° C, the temperature of the melt on heating from the surface decreases on average by 15 to 17 ° C every 10 mm, and the melting depths 7 in the distribution channel 5 do not exceed 300 mm.
  • melt with inhomogeneous properties enters the flow feeder 3, in particular melt with a temperature outside the limits of the processing temperature interval.
  • a removal region 9 is formed under conditions in which the ratio of the melting depth 7 in the distribution channel 5 to the height 8 of the removal region 9 is more than 20, the size of the removal region 9 is insufficient to ensure a normal fiber-forming process in the nozzle vessel 6 , which then works with insufficient melt, which leads to high brittleness and low output of the unit.
  • Basalt rock giving a viscous melt having the following composition (% by weight): 52.8 to 53.7 Si 2 , 0.5 to 0.6 TiO 2 , 17.3 to 19.7 Al 2 O 3 , 9.8 to 10.6 Fe 2 O 3 + FeO, MgO 3.1 to 6.3, 7, 1 to 8.0 CaO, 2.8 Na 2 0, 1, 6 K 2 O, others - 1 , 8, was ground to particle sizes of 10 to 20 mm, mechanically sorted and placed in a melting furnace where, with the aid of the combustion energy of the gas-air mixture, a temperature of 1450 ⁇ 10 0 C was maintained to produce a homogeneous melt , Subsequently, the melt flowed into the processing zone itself - the distribution channel, on the bottom of which tubes of flow feeders were arranged, which had openings on their side surface in their frontal area and in the vicinity of the end surface.
  • the temperature of the melt in the distribution channel was maintained in the range of 1350 to 1300 ° C.
  • a removal area was formed, wherein the depth of the distribution channel, the height of the withdrawal area exceeded 3.5 times.
  • the melt was sent from the processing zone to the die feeder where the forming of the fibers took place.
  • a mean specific brittleness of basalt continuous fibers 0.47 fractions per kg and a mean output of a single unit of 175 kg per 24 hours was achieved.
  • Basalt rock giving a low-viscosity melt having the following composition (% by weight): 43.6 SiO 2 , 3.2 TiO 2 , 13.0 Al 2 O 3 , 13.1 Fe 2 O 3 + FeO, 9 , 8 MgO, 10.3 CaO, 4.8 Na 2 O + K 2 O, others - 0.9 (wt.%), was ground to particle sizes of 5 to 10 mm, mechanically sorted and placed in a melting furnace, where by means of the combustion energy of the gas-air mixture, a temperature of 1450 ⁇ 30 ° C was maintained to produce a homogeneous melt.
  • the melt flowed into the processing zone itself - the distribution channel, on the bottom of which tubes of flow feeders were arranged, which had openings on the side surface in the end face and in the vicinity of the end face.
  • the temperature of the melt in the distribution channel was maintained in the range 1350 to 1300 ° C.
  • a removal area was formed, wherein the depth of the distribution channel, the height of the withdrawal area exceeded 3.5 times.
  • the melt was sent from the processing zone to the die feeder where the forming of the fibers took place. Under production conditions, a mean specific brittleness of basalt continuous fibers of 0.49 fractions per kg and a single unit average output of 171 kg per 24 hours was achieved.
  • mineral fibers were prepared according to the technology described for example 2 from a mixture of power plant ash to which calcite (CaCO 3 ) had been added.
  • the ash contained the following components (% by weight): 43.6 SiO 2 , 16.2 Al 2 O 3 , 1.6 Fe 2 O 3 , 5.25 FeO, 0.7 Li 2 O, 26.7 CaO, 3.11 MgO, 0.67 K 2 O, and 2.17 other ingredients.
  • Example 1 mineral fibers from glass-containing technical waste products (fluorescent tubes) were prepared according to the invention at a temperature of 1300 ⁇ 30 0 C in the furnace and 1100 to 1270 0 C in the distribution channel.
  • the glass-containing technical waste products contained the following components (% by weight): 72.0 SiO 2 , 2.0 Al 2 O 3 , ⁇ 0.01 FeO, 19.5 to 18 (Na 2 O + K 2 O), 8.0 (CaO + MgO + BaO), traces of PbO, Sb 2 O 3 , As 2 O 3 , Cd oxide, Ti and other ingredients.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Fibers (AREA)
  • Glass Compositions (AREA)

Abstract

L'invention concerne une technologie de fabrication de fibres minérales sans fin à partir d'une matière première constituée de roches, en particulier de roches basaltiques, de mélanges à base de ces roches ainsi que de déchets industriels et techniques contenant du verre. Le procédé de fabrication de fibres minérales consiste à former une zone de prélèvement de matière fondue dans un canal de répartition de telle sorte que le rapport entre la hauteur de la matière fondue dans le canal de répartition et la hauteur de la matière fondue dans la zone de prélèvement soit compris dans la plage de 3,4 à 20.
PCT/AT2007/000155 2006-04-05 2007-04-05 Procédé de fabrication de fibres minérales sans fin Ceased WO2007112471A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07718372A EP2004559A1 (fr) 2006-04-05 2007-04-05 Procédé de fabrication de fibres minérales sans fin

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
UA200603737 2006-04-05
UAA200603737A UA88150C2 (ru) 2006-04-05 2006-04-05 Способ производства беспрерывных минеральных волокон

Publications (1)

Publication Number Publication Date
WO2007112471A1 true WO2007112471A1 (fr) 2007-10-11

Family

ID=38162490

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2007/000155 Ceased WO2007112471A1 (fr) 2006-04-05 2007-04-05 Procédé de fabrication de fibres minérales sans fin

Country Status (3)

Country Link
EP (1) EP2004559A1 (fr)
UA (1) UA88150C2 (fr)
WO (1) WO2007112471A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2665687B1 (fr) * 2010-12-22 2019-07-03 ASA.TEC GmbH Prétraitement de matériau brut pour la fabrication de fibres de basalte
RU2731237C2 (ru) * 2016-12-16 2020-08-31 Общество с ограниченной ответственностью "БЛОК" Устройство для получения штапельного базальтового волокна
WO2025019920A1 (fr) * 2023-07-25 2025-01-30 Instituto Hercílio Randon Prémélange pour la préparation de fibre de basalte, fibre de basalte, utilisation de la fibre de basalte, prémélange pour la préparation d'un composite, procédé de préparation d'un composite et composite

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10858275B2 (en) 2016-06-16 2020-12-08 Usb I, Llc Apparatus and process for producing fiber from igneous rock
EP3472110B1 (fr) 2016-06-16 2023-06-07 Biland, Oleksandr Appareil et procédé de production d'une fibre à partir d'une roche ignée
US10369754B2 (en) 2017-02-03 2019-08-06 Oleksandr Biland Composite fibers and method of producing fibers

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4675039A (en) * 1985-12-17 1987-06-23 Owens-Corning Fiberglas Corporation Method and apparatus for forming glass fibers
US4713106A (en) * 1986-04-18 1987-12-15 Owens-Corning Fiberglas Corporation Method and apparatus for conveying molten material
WO1992021628A1 (fr) * 1991-05-31 1992-12-10 Medvedev Alexandr Alexandrovic Procede et dispositif de production de fibre minerale continue
DE19538599A1 (de) * 1995-10-09 1997-05-07 Buerger Gerhard Verfahren und Vorrichtung zur Herstellung von Mineralfasern
DE19939781A1 (de) * 1999-08-21 2001-02-22 Schott Glas Skulltiegel für das Erschmelzen oder das Läutern von anorganischen Substanzen, insbesondere von Gläsern und Glaskeramiken
EP1380552A2 (fr) * 2001-03-19 2004-01-14 Aleksandr Aleksandrovich Medvedev Proc d de fabrication de fibres min rales

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4675039A (en) * 1985-12-17 1987-06-23 Owens-Corning Fiberglas Corporation Method and apparatus for forming glass fibers
US4713106A (en) * 1986-04-18 1987-12-15 Owens-Corning Fiberglas Corporation Method and apparatus for conveying molten material
WO1992021628A1 (fr) * 1991-05-31 1992-12-10 Medvedev Alexandr Alexandrovic Procede et dispositif de production de fibre minerale continue
DE19538599A1 (de) * 1995-10-09 1997-05-07 Buerger Gerhard Verfahren und Vorrichtung zur Herstellung von Mineralfasern
DE19939781A1 (de) * 1999-08-21 2001-02-22 Schott Glas Skulltiegel für das Erschmelzen oder das Läutern von anorganischen Substanzen, insbesondere von Gläsern und Glaskeramiken
EP1380552A2 (fr) * 2001-03-19 2004-01-14 Aleksandr Aleksandrovich Medvedev Proc d de fabrication de fibres min rales

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2665687B1 (fr) * 2010-12-22 2019-07-03 ASA.TEC GmbH Prétraitement de matériau brut pour la fabrication de fibres de basalte
RU2731237C2 (ru) * 2016-12-16 2020-08-31 Общество с ограниченной ответственностью "БЛОК" Устройство для получения штапельного базальтового волокна
WO2025019920A1 (fr) * 2023-07-25 2025-01-30 Instituto Hercílio Randon Prémélange pour la préparation de fibre de basalte, fibre de basalte, utilisation de la fibre de basalte, prémélange pour la préparation d'un composite, procédé de préparation d'un composite et composite

Also Published As

Publication number Publication date
UA88150C2 (ru) 2009-09-25
EP2004559A1 (fr) 2008-12-24

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