WO2013098504A1 - Procédé de fibrage de matières vitrifiables - Google Patents
Procédé de fibrage de matières vitrifiables Download PDFInfo
- Publication number
- WO2013098504A1 WO2013098504A1 PCT/FR2012/052978 FR2012052978W WO2013098504A1 WO 2013098504 A1 WO2013098504 A1 WO 2013098504A1 FR 2012052978 W FR2012052978 W FR 2012052978W WO 2013098504 A1 WO2013098504 A1 WO 2013098504A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vitrifiable
- furnace
- melted
- dam
- materials
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims description 28
- 238000009826 distribution Methods 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 238000002844 melting Methods 0.000 claims abstract description 15
- 230000008018 melting Effects 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 230000004888 barrier function Effects 0.000 claims abstract description 5
- 230000001131 transforming effect Effects 0.000 claims abstract description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 25
- 239000000835 fiber Substances 0.000 claims description 12
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 7
- 239000012809 cooling fluid Substances 0.000 claims description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims description 4
- 239000002557 mineral fiber Substances 0.000 claims description 3
- 238000004031 devitrification Methods 0.000 claims description 2
- 239000000289 melt material Substances 0.000 claims 1
- 239000011521 glass Substances 0.000 abstract description 13
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 2
- 239000011707 mineral Substances 0.000 abstract description 2
- 239000002826 coolant Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000000155 melt Substances 0.000 description 15
- 230000008569 process Effects 0.000 description 11
- 235000013980 iron oxide Nutrition 0.000 description 7
- 238000011049 filling Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000012681 fiber drawing Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000012768 molten material Substances 0.000 description 4
- 239000011819 refractory material Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 241000826860 Trapezium Species 0.000 description 1
- -1 absorbing IR Chemical compound 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011214 refractory ceramic Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000000475 sunscreen effect Effects 0.000 description 1
- 239000000516 sunscreening agent Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
-
- 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
-
- 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
- C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
- C03B5/027—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating
- C03B5/03—Tank furnaces
- C03B5/031—Cold top tank furnaces
-
- 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
- C03B5/20—Bridges, shoes, throats, or other devices for withholding dirt, foam, or batch
-
- 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
- C03B5/20—Bridges, shoes, throats, or other devices for withholding dirt, foam, or batch
- C03B5/205—Mechanical means for skimming or scraping the melt surface
-
- 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
- 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
- C03B5/265—Overflows; Lips; Tweels
-
- 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
- C03B5/167—Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches
Definitions
- the invention relates to a method of manufacturing mineral fibers comprising melting vitrifiable materials in a circular electrode oven, supplying a distribution channel with these melts then their transformation into fibers.
- the oven used in the context of the invention is a so-called cold-vault furnace for melting vitrifiable materials by heat released by Joule effect from electrodes plunging into vitrifiable materials.
- the solid composition of vitrifiable materials is provided from above and forms an upper layer completely covering the bath of molten material.
- the melts are extracted by the sole or laterally by a groove to pass into a distribution channel feeding fiberizing devices. The fiber drawing takes place continuously directly after the melting of the vitrifiable materials.
- a groove is used between the furnace and the distribution channel, the rapid wear of the refractories delimiting the groove, in particular the upper part thereof, is observed.
- This difficulty is all the greater as this type of furnace generally works for relatively short manufacturing campaigns in durations and transition times (duration of stabilization of manufacture from the beginning) are therefore long compared to the steady-state operating time.
- This type of manufacturing generally works with shots between 5 and 100 tons per day. It is the passage of the glass in the fibers of fiber which limits the drawing. The transformation into fibers is therefore the determining step of the flow of glass through the whole process (drawn). This is why the height of the dam regulates only the temperature and not the flow.
- This type of furnace with relatively modest dimensions is very flexible and can be easily stopped at any time depending on the circumstances. It can usually run continuously between 24 hours and 6 months or more.
- US6314760 teaches a circular electrode and conical hearth furnace feeding a distribution channel, the flow of glass between the furnace and the channel passing through a molybdenum tube surrounded by a jacket traversed by cooling water. This document offers no solution to regulate the flow of glass and the temperature of the glass leaving the oven.
- US3912488 teaches a circular electrode and conical hearth furnace comprising a melts extraction orifice at the top of the cone of the hearth, said orifice being cooled by a circulation of water.
- the invention contributes to overcoming the aforementioned problems by providing an additional possibility of adjusting the temperature of the vitrifiable melted material. It has indeed been observed that in this type of circular furnace, a vertical temperature gradient existed in vitrifiable materials, the hottest materials being above just below the crust of vitrifiable materials not yet melted, and the more closer to the sole, the less hot they are. It has also been observed that it is possible to act on the temperature of the flow of melts passing from the furnace to the distribution channel by acting on the depth of a movable barrier vertically and located laterally with respect to the furnace, between the furnace and the furnace. distribution channel. The lower the dam, the lower the temperature of the melts under it, and vice versa.
- the invention relates to a process for manufacturing mineral fibers comprising introducing raw materials into a circular electrode oven, and then melting the raw materials in said oven to form a vitrifiable melted material, then the flow of vitrifiable material melted in the furnace by a lateral outlet of the furnace to feed a distribution channel, then the flow of vitrifiable material melted by a sole orifice of the distribution channel to supply a fibering device, and then transforming into fibers the vitrifiable material melted by said fiberizing device, the flow of vitrifiable material melted between the furnace and the distribution channel passing under a height-adjustable metal barrier comprising a casing cooled by a current of cooling fluid.
- the vertical temperature gradient in the melted materials in the furnace is all the higher as the vitrifiable materials absorb the infrared more strongly.
- the presence of iron oxide in the melted composition contributes to the absorption of infrared radiation.
- the process according to the invention is particularly suitable when the melt contains more than 2% by weight of iron oxide (sum of all forms of iron oxide) and even more than 3% and even more than 4%. % by weight of iron oxide.
- the melt contains less than 20% by weight of iron oxide.
- the process according to the invention is especially suitable when the melt comprises from 1 to 30% by weight of alumina, and even 15 to 30% by weight of alumina.
- the ideal fiberizing temperature depends on the composition of the melt. Generally, it is sought that its viscosity is between 25 Pa.s and 120 Pa.s. Thus, according to the invention, it is possible to adjust the height of the dam so that the viscosity of the melting vitrifiable material is included in this range. Indeed, the height of the dam has a direct influence on the temperature of the vitrifiable material and therefore on its viscosity. The height of the dam is thus determined (that is to say adjusted) so that the viscosity of the melting vitrifiable material is between 25 Pa.s and 120 Pa.s in the fiberizing device.
- the invention is suitable for fiber drawing glass or rock.
- the temperature of the melting vitrifiable material passing under the barrage is chosen to be greater than the devitrification temperature of the vitrifiable material.
- the temperature of the vitrifiable material passing under the dam is between 850 and 1700 ° C.
- the temperature of the vitrifiable material passing under the dam is generally between 1200 and 1700 ° C.
- the height of the dam is thus adjusted so that the melt passing beneath it is in the right temperature range.
- the dam according to the invention therefore allows a real regulation of the process according to the invention.
- the invention is suitable for all types of glass or rock.
- the more the vitrifiable material absorbs infrared (IR) the more interesting the invention.
- the more the vitrifiable material absorbs the IR the more the heat transfers are limited and the more a significant thermal gradient is observed from the sole to the raw material crust supernatant above the vitrifiable material in melt.
- the sole is thus all the colder as the vitrifiable matter absorbs more the IR. This is favorable to the duration in time of the sole.
- a vitrifiable material absorbing less IR is for example a borosilicate type glass.
- An absorbing glass plus IR is for example a car glass used as sunscreen for sunroofs.
- the dam is metal and hollow so that a cooling fluid can flow through its interior.
- the dam can be made from metal sheets that are welded.
- the welds are inside the dam.
- the metal of the dam may be steel such as AISI 304 steel.
- the submerged part of the dam may be totally made of such steel.
- Pipes are connected by the top of the dam to allow the arrival and departure of the cooling fluid.
- the cooling fluid is liquid water. This is running water whose temperature before passing through the dam is generally between 5 and 50 ° C, preferably between 20 and 40 ° C (too cold water temperature below 10 ° could cause condensation of water on the installation).
- the cooling fluid may optionally be air.
- the dam is generally of sufficient height to be able to possibly completely block the flow of melts between the furnace and the distribution channel.
- the section of the dam has a trapezoidal shape, that is to say that its two large faces can come closer when going down. It is thus easier to remove the dam if it is trapped in the vitrifiable material solidified.
- the width of the dam substantially corresponds to the width of the passage for the molten composition flowing towards the distribution channel, which corresponds substantially to the width of the distribution channel.
- the width of the passage for vitrifiable material melted under the dam and the dam itself is generally between 20 and 60 cm (width measured transversely to the direction of flow of the vitrifiable material).
- the oven is circular.
- the oven hearth may be flat or may include an inclined surface.
- the inclined surface of the sole allows to drive melted vitrifiable material to the lowest point of the sole at the beginning of melting. Indeed, it is advantageous to collect the small volume of vitrifiable melted material at the beginning of filling the furnace to form a hot spot accumulating heat. This allows you to go faster at the beginning of filling and somehow start the operation of the oven.
- the inclined surface may be that of an inverted cone whose top is the lowest point of the hearth of the oven. It can also be an inclined plane whose intersection with the cylindrical wall of the furnace is a curved line, which has a lowest point of the sole.
- the sole comprises a concave angle upwards towards which the melted vitrifiable material flows at the beginning of filling the oven to accumulate.
- This angle can be formed by the meeting of the sole and the side wall of the oven.
- the raw materials are therefore preferably oriented towards this angle at least at the beginning of filling the oven. If this angle is not in the central position in the hearth, it is possible to initially channel the solid raw materials to this angle, then when a sufficient level of vitrifiable melted material is reached, the solid raw materials are channeled. more above the center of the sole.
- the electrodes are near the place where the raw materials are introduced.
- the interior of the furnace is equipped with refractories coming into contact with vitrifiable materials, both at the level of the sole and the side wall.
- the side wall generally comprises an outer metal shell in contact with the ambient air.
- This metal envelope generally comprises two partitions between which circulates cooling water (system not shown in the figures). Electrodes plunge into vitrifiable materials from above.
- Electrodes generally comprise a molybdenum part immersed in vitrifiable materials and a steel part above vitrifiable materials connected to an electrical voltage.
- the portion of the electrodes in contact with the vitrifiable materials is generally molybdenum. It seems that the molybdenum electrodes react progressively with the iron oxide present in vitrifiable materials by favoring the presence of FeO at the expense of Fe 2 O 3 , said FeO particularly absorbing IR, which goes in the direction of a increasing the temperature gradient of the hearth to below the crust of raw materials.
- the introduction of the electrodes from above has several advantages over the configuration in which the electrodes would pass through the sole.
- the passage through the sole would require the realization of electrode blocks making the connection between the electrode and the sole, blocks particularly difficult to achieve because the sole is also cooled by a metal shell.
- An electrode in the furnace constitutes a warmer zone and the electrode blocks of refractory ceramic material would be corroded particularly rapidly.
- the fact of dipping the electrodes by the top contributes to favoring a temperature gradient rising from bottom to top, because of the fact that the electrodes heat up, combined in addition to the FeO formation preferentially around the electrodes. , so also at the top.
- the number of electrodes is adapted according to the size and the extraction of the oven.
- the oven is generally not equipped with stirring means vitrifiable materials (no mechanical stirrer or submerged burner) except possibly the bubbler type.
- the oven is equipped with means for introducing vitrifiable materials. These are generally in powder form, or even in granules, generally up to a diameter of 10 mm.
- the vitrifiable materials are homogeneously distributed over the entire inner surface of the furnace to form a crust covering the melts.
- a rotating cone may be used above the inner surface of the furnace.
- the vitrifiable materials are dropped onto the rotating cone, the rotation of which projects them uniformly over the entire internal surface of the furnace.
- the vitrifiable materials not yet melted form a crust on the surface above the vitrifiable melted materials. This crust forms a heat shield limiting thermal losses from above. Thanks to this, the vault of the furnace can be in simple steel boiler, without particular cooling means.
- the inner surface of the oven is generally between 1 and 25 m 2 .
- the depth of vitrifiable materials (melted + unmelted) is generally between 20 and 60 cm.
- the melted vitrifiable material can generally be between 5 and 100 tons per day.
- the dispensing channel comprises at least one orifice in its sole. It can include 2 or 3 or more depending on the number of fiber devices to feed simultaneously. The fillet of melted vitrifiable materials falling through this orifice is then oriented towards a fibering machine.
- the transformation into fibers can be carried out by a so-called internal centrifugation device.
- the principle of the internal centrifugation process is well known in itself to those skilled in the art. Schematically, this process consists in introducing a net of molten mineral matter into a centrifuge, also called a fibering plate, rotating at high speed and pierced at its periphery by a very large number of orifices through which the molten material is projected in the form of filaments under the effect of centrifugal force. These filaments are then subjected to the action of an annular drawing stream at high temperature and high speed along the wall of the centrifuge, stream which thins them and transforms them into fibers. The formed fibers are entrained by this drawing gas stream to a receiving device generally consisting of a gas permeable band.
- This known process has been the subject of many improvements including those taught in European Patent Applications No. EP0189534, EP0519797 or EP1087912.
- FIG. 1 represents the elements allowing the process according to the invention to operate continuously from melting to fiberizing.
- a circular furnace 1 comprising a hearth 2 comprising an inclined surface and a side wall 15 of the cylindrical type, is supplied with vitrifiable materials 4 falling on a metal cone 5 rotating about a vertical axis 6. This rotation makes it possible to distribute the vitrifiable materials over a larger surface area around the central axis 6.
- the inclined surface is part of a cone whose top 3 is turned downwards, forming a concave angle upwards.
- the vitrifiable materials not yet melted form a crust 7 at the surface before melting and feeding the bath 8 of molten materials.
- the electrodes 9 produce the calories necessary for the melting of the vitrifiable materials.
- the melted materials leave the oven 1 passing under the dam 10 adjustable in height and cooled by a circulation of water. They then arrive in the distribution channel January 1 provided with orifices 12 (a single orifice is shown, other orifices may be present further to the right of the channel). They flow through the orifices 12 to form a net 14 and fall into a chute 13 to then feed a not shown fiber drawing device.
- the dam 10 has a trapezoidal section (trapezium parallel to the plane of the figure and visible thereon), that is to say that its largest faces 16 and 17 are approaching downwards.
- FIG. 2 represents the elements enabling the process according to the invention to operate continuously from melting to fiberizing.
- the sole 2 here has the shape of an inclined plane.
- the intersection of this sole 2 with the cylindrical wall 15 forms a curved stop including a lowest point 23.
- the meeting of the sole and the side wall forms at this lowest point a concave upward angle likely to receive the melting vitrifiable matter.
- a by-pass system 20 makes it possible to orient the raw materials either towards a pipe 21 distributing them centrally above the cone 5, or towards a pipe 22 distributing these vitrifiable materials near the lowest point 23 of sole 2.
- the distribution through the pipe 22 is performed at the beginning of filling the furnace so as to accumulate in the corner 23 a maximum of molten material as quickly as possible.
- FIG. 3 shows the relative position of the device for dispensing raw materials and electrodes, viewed from above, for the oven of FIG. 2.
- the cylindrical wall 15 of the oven and the distribution channel 11 are distinguished.
- the raw materials are introduced via line 22 as close as possible above the lowest point 23 (see FIG. 2).
- the electrodes 9 are located as close as possible above this lowest point 23.
- the raw materials are introduced via the pipe 21 in the center of the furnace.
- the electrodes 9 have been moved to surround the center of the furnace.
- An oxide type raw material is introduced into a furnace of the type shown in FIG. 1 in order to produce the glass composition comprising:
- Electrodes were provided with a power of 630 kilowatts. The height of the dam was varied and the temperature was measured for different heights at steady state and for a constant pull of 10 tonnes per day. Table 1 below summarizes the results for different distances between the sole and the lowest point of the dam.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Inorganic Fibers (AREA)
- Glass Compositions (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Melting And Manufacturing (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
Abstract
Description
Claims
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12819090T PL2797846T3 (pl) | 2011-12-28 | 2012-12-18 | Sposób zwłókniania materiałów szklistych |
AU2012360254A AU2012360254B2 (en) | 2011-12-28 | 2012-12-18 | Method for drawing vitrifiable materials |
NZ627176A NZ627176B2 (en) | 2011-12-28 | 2012-12-18 | Method for drawing vitrifiable materials |
KR1020147017687A KR102017037B1 (ko) | 2011-12-28 | 2012-12-18 | 유리질 재료로부터 섬유의 형성방법 |
BR112014016125-9A BR112014016125B1 (pt) | 2011-12-28 | 2012-12-18 | processo de fabricação de fibras minerais |
CN201280065404.8A CN104010978B (zh) | 2011-12-28 | 2012-12-18 | 用于由可玻璃化的材料制造纤维的方法 |
ES12819090.7T ES2636774T3 (es) | 2011-12-28 | 2012-12-18 | Procedimiento de fibrado de materias vitrificables |
DK12819090.7T DK2797846T3 (en) | 2011-12-28 | 2012-12-18 | PROCEDURE FOR SPINNING VITRIFIERABLE MATERIALS |
CA2861615A CA2861615C (fr) | 2011-12-28 | 2012-12-18 | Procede de fibrage de matieres vitrifiables |
US14/368,984 US20140366584A1 (en) | 2011-12-28 | 2012-12-18 | Process for forming fibers from vitrifiable materials |
EP12819090.7A EP2797846B1 (fr) | 2011-12-28 | 2012-12-18 | Procédé de fibrage de matières vitrifiables |
JP2014549516A JP6138823B2 (ja) | 2011-12-28 | 2012-12-18 | ガラス化可能材料から繊維を成形するための方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1162500 | 2011-12-28 | ||
FR1162500A FR2985254B1 (fr) | 2011-12-28 | 2011-12-28 | Procede de fibrage de matieres vitrifiables |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013098504A1 true WO2013098504A1 (fr) | 2013-07-04 |
Family
ID=47628308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2012/052978 WO2013098504A1 (fr) | 2011-12-28 | 2012-12-18 | Procédé de fibrage de matières vitrifiables |
Country Status (15)
Country | Link |
---|---|
US (1) | US20140366584A1 (fr) |
EP (1) | EP2797846B1 (fr) |
JP (1) | JP6138823B2 (fr) |
KR (1) | KR102017037B1 (fr) |
CN (1) | CN104010978B (fr) |
AU (1) | AU2012360254B2 (fr) |
BR (1) | BR112014016125B1 (fr) |
CA (1) | CA2861615C (fr) |
CL (1) | CL2014001750A1 (fr) |
CO (1) | CO7020902A2 (fr) |
DK (1) | DK2797846T3 (fr) |
ES (1) | ES2636774T3 (fr) |
FR (1) | FR2985254B1 (fr) |
PL (1) | PL2797846T3 (fr) |
WO (1) | WO2013098504A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016005681A1 (fr) | 2014-07-08 | 2016-01-14 | Saint-Gobain Isover | Dispositif de fusion du verre comprenant un four, un canal et un barrage |
WO2016097607A1 (fr) | 2014-12-19 | 2016-06-23 | Saint-Gobain Isover | Four verrier electrique a electrodes mobiles |
FR3132094A1 (fr) | 2022-01-25 | 2023-07-28 | Saint-Gobain Isover | Four électrique verrier, procédés de fusion et de fabrication de verre au moyen dudit four |
Families Citing this family (1)
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CN113784930A (zh) * | 2019-05-08 | 2021-12-10 | Agc株式会社 | 熔体的制造方法、玻璃物品的制造方法、熔解装置和玻璃物品的制造装置 |
Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR553128A (fr) * | 1921-07-27 | 1923-05-14 | Libbey Owens Sheet Glass Co | Barrière d'arrêt pour verre fondu |
FR1260542A (fr) * | 1959-06-26 | 1961-05-05 | Dispositif de réglage du régime des fours à bassin | |
US3912488A (en) | 1974-07-25 | 1975-10-14 | Johns Manville | Electric furnace outlet |
US4349376A (en) * | 1981-06-08 | 1982-09-14 | Owens-Corning Fiberglas Corporation | Liquid cooled skimmer |
EP0189534A2 (fr) | 1984-11-13 | 1986-08-06 | KRC Umwelttechnik GmbH | Procédé pour la réaction de gaz avec des suspensions |
JPS63176313A (ja) * | 1987-01-14 | 1988-07-20 | Sumitomo Metal Ind Ltd | ロツクウ−ル製造用電気炉 |
EP0519797A1 (fr) | 1991-06-20 | 1992-12-23 | Isover Saint-Gobain | Procédé et dispositif de formation de fibres |
EP0616982A1 (fr) * | 1993-03-23 | 1994-09-28 | Saint-Gobain Vitrage International | Procédé et dispositif pour la fusion du verre |
WO1999057073A1 (fr) | 1998-05-06 | 1999-11-11 | Isover Saint-Gobain | Composition de laine minerale |
WO1999056525A1 (fr) | 1998-05-06 | 1999-11-11 | Isover Saint Gobain | Composition de laine minerale ayant un caractere biodegradable |
WO2000017117A1 (fr) | 1998-09-17 | 2000-03-30 | Isover Saint-Gobain | Composition de laine minerale |
US6044667A (en) * | 1997-08-25 | 2000-04-04 | Guardian Fiberglass, Inc. | Glass melting apparatus and method |
EP1087912A1 (fr) | 1998-06-12 | 2001-04-04 | Saint-Gobain Isover | Dispositif et procede de centrifugation de fibres minerales |
WO2005033032A1 (fr) | 2003-10-06 | 2005-04-14 | Saint-Gobain Isover | Composition de laine minerale |
WO2006103376A2 (fr) | 2005-04-01 | 2006-10-05 | Saint-Gobain Isover | Compositions pour fibres de verre |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2990438A (en) * | 1945-07-07 | 1961-06-27 | Saint Gobain | Methods of and tank furnaces for making glass |
US2677003A (en) * | 1949-01-04 | 1954-04-27 | Saint Gobain | Glass furnace |
US3208841A (en) * | 1960-10-06 | 1965-09-28 | Owens Illinois Glass Co | Apparatus for melting glass |
US3399046A (en) * | 1964-12-29 | 1968-08-27 | Levi S. Longenecker | Furnace suspended skimmer wall |
US3421876A (en) * | 1965-11-04 | 1969-01-14 | Anchor Hocking Glass Corp | Glass furnace with two separate throat passages |
BE794781A (fr) * | 1972-02-01 | 1973-07-31 | Ppg Industries Inc | Procede pour le faconnage de verre a haut point de fusion |
GB1503145A (en) * | 1974-04-26 | 1978-03-08 | Pilkington Brothers Ltd | Glass melting |
US3976464A (en) * | 1974-08-05 | 1976-08-24 | Owens-Corning Fiberglas Corporation | Skimmer |
DE2954306C2 (fr) * | 1978-12-08 | 1987-10-29 | Spafi - Societe Anonyme De Participations Financieres Et Industrielles, Courbevoie, Fr | |
KR860000995B1 (ko) * | 1984-05-09 | 1986-07-26 | 주식회사 : 금강 | 무기섬유 제조방법 및 장치 |
GB8710298D0 (en) * | 1987-04-30 | 1987-06-03 | Glaverbel | Glass-melting furnace |
FR2619560B1 (fr) * | 1987-08-18 | 1992-10-30 | Saint Gobain Vitrage | Procede et dispositif d'elaboration de verre fondu |
FR2711982B1 (fr) * | 1993-11-02 | 1996-01-19 | Saint Gobain Vitrage | Canal de transfert et de conditionnement de verre en fusion. |
DE10041757C1 (de) * | 2000-08-25 | 2002-02-21 | Schott Glas | Verfahren und Vorrichtung zum Läutern von Glas |
JP2003292323A (ja) * | 2002-04-01 | 2003-10-15 | Nippon Electric Glass Co Ltd | ガラス溶融炉及びガラスの溶融方法 |
-
2011
- 2011-12-28 FR FR1162500A patent/FR2985254B1/fr not_active Expired - Fee Related
-
2012
- 2012-12-18 EP EP12819090.7A patent/EP2797846B1/fr active Active
- 2012-12-18 DK DK12819090.7T patent/DK2797846T3/en active
- 2012-12-18 PL PL12819090T patent/PL2797846T3/pl unknown
- 2012-12-18 ES ES12819090.7T patent/ES2636774T3/es active Active
- 2012-12-18 CA CA2861615A patent/CA2861615C/fr active Active
- 2012-12-18 JP JP2014549516A patent/JP6138823B2/ja active Active
- 2012-12-18 CN CN201280065404.8A patent/CN104010978B/zh active Active
- 2012-12-18 KR KR1020147017687A patent/KR102017037B1/ko active IP Right Grant
- 2012-12-18 WO PCT/FR2012/052978 patent/WO2013098504A1/fr active Application Filing
- 2012-12-18 US US14/368,984 patent/US20140366584A1/en not_active Abandoned
- 2012-12-18 BR BR112014016125-9A patent/BR112014016125B1/pt active IP Right Grant
- 2012-12-18 AU AU2012360254A patent/AU2012360254B2/en active Active
-
2014
- 2014-06-27 CL CL2014001750A patent/CL2014001750A1/es unknown
- 2014-07-21 CO CO14157659A patent/CO7020902A2/es unknown
Patent Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR553128A (fr) * | 1921-07-27 | 1923-05-14 | Libbey Owens Sheet Glass Co | Barrière d'arrêt pour verre fondu |
FR1260542A (fr) * | 1959-06-26 | 1961-05-05 | Dispositif de réglage du régime des fours à bassin | |
US3912488A (en) | 1974-07-25 | 1975-10-14 | Johns Manville | Electric furnace outlet |
US4349376A (en) * | 1981-06-08 | 1982-09-14 | Owens-Corning Fiberglas Corporation | Liquid cooled skimmer |
EP0189534A2 (fr) | 1984-11-13 | 1986-08-06 | KRC Umwelttechnik GmbH | Procédé pour la réaction de gaz avec des suspensions |
JPS63176313A (ja) * | 1987-01-14 | 1988-07-20 | Sumitomo Metal Ind Ltd | ロツクウ−ル製造用電気炉 |
EP0519797A1 (fr) | 1991-06-20 | 1992-12-23 | Isover Saint-Gobain | Procédé et dispositif de formation de fibres |
EP0616982A1 (fr) * | 1993-03-23 | 1994-09-28 | Saint-Gobain Vitrage International | Procédé et dispositif pour la fusion du verre |
US6044667A (en) * | 1997-08-25 | 2000-04-04 | Guardian Fiberglass, Inc. | Glass melting apparatus and method |
US6314760B1 (en) | 1997-08-25 | 2001-11-13 | Guardian Fiberglass, Inc. | Glass melting apparatus and method |
WO1999057073A1 (fr) | 1998-05-06 | 1999-11-11 | Isover Saint-Gobain | Composition de laine minerale |
WO1999056525A1 (fr) | 1998-05-06 | 1999-11-11 | Isover Saint Gobain | Composition de laine minerale ayant un caractere biodegradable |
EP1087912A1 (fr) | 1998-06-12 | 2001-04-04 | Saint-Gobain Isover | Dispositif et procede de centrifugation de fibres minerales |
WO2000017117A1 (fr) | 1998-09-17 | 2000-03-30 | Isover Saint-Gobain | Composition de laine minerale |
WO2005033032A1 (fr) | 2003-10-06 | 2005-04-14 | Saint-Gobain Isover | Composition de laine minerale |
WO2006103376A2 (fr) | 2005-04-01 | 2006-10-05 | Saint-Gobain Isover | Compositions pour fibres de verre |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016005681A1 (fr) | 2014-07-08 | 2016-01-14 | Saint-Gobain Isover | Dispositif de fusion du verre comprenant un four, un canal et un barrage |
FR3023550A1 (fr) * | 2014-07-08 | 2016-01-15 | Saint Gobain Isover | Dispositif de fusion du verre comprenant un four, un canal et un barrage |
CN106660854A (zh) * | 2014-07-08 | 2017-05-10 | 圣戈班伊索福公司 | 包括炉、通道和挡板的用于熔化玻璃的装置 |
JP2017524639A (ja) * | 2014-07-08 | 2017-08-31 | サン−ゴバン イゾベール | 炉、チャンネル及びバリアを含むガラスを溶融させるための装置 |
AU2015287465B2 (en) * | 2014-07-08 | 2019-04-18 | Saint-Gobain Isover | Glass melting device comprising a furnace, a duct and a barrier |
RU2696731C2 (ru) * | 2014-07-08 | 2019-08-05 | Сэн-Гобэн Изовер | Устройство для плавления стекла, включающее печь, канал и перегородку |
CN106660854B (zh) * | 2014-07-08 | 2019-11-26 | 圣戈班伊索福公司 | 包括炉、通道和挡板的用于熔化玻璃的装置 |
WO2016097607A1 (fr) | 2014-12-19 | 2016-06-23 | Saint-Gobain Isover | Four verrier electrique a electrodes mobiles |
FR3030487A1 (fr) * | 2014-12-19 | 2016-06-24 | Saint Gobain Isover | Four electrique a electrodes mobiles |
FR3132094A1 (fr) | 2022-01-25 | 2023-07-28 | Saint-Gobain Isover | Four électrique verrier, procédés de fusion et de fabrication de verre au moyen dudit four |
WO2023144489A1 (fr) | 2022-01-25 | 2023-08-03 | Saint-Gobain Isover | Four électrique verrier, procédés de fusion et de fabrication de verre au moyen dudit four |
Also Published As
Publication number | Publication date |
---|---|
CN104010978A (zh) | 2014-08-27 |
BR112014016125B1 (pt) | 2020-11-10 |
US20140366584A1 (en) | 2014-12-18 |
EP2797846A1 (fr) | 2014-11-05 |
CL2014001750A1 (es) | 2014-11-14 |
AU2012360254B2 (en) | 2016-03-17 |
DK2797846T3 (en) | 2017-10-23 |
CA2861615C (fr) | 2020-01-28 |
CO7020902A2 (es) | 2014-08-11 |
KR102017037B1 (ko) | 2019-09-02 |
FR2985254B1 (fr) | 2013-12-20 |
JP2015504839A (ja) | 2015-02-16 |
CA2861615A1 (fr) | 2013-07-04 |
FR2985254A1 (fr) | 2013-07-05 |
AU2012360254A1 (en) | 2014-08-14 |
CN104010978B (zh) | 2017-11-21 |
KR20140116389A (ko) | 2014-10-02 |
BR112014016125A2 (pt) | 2017-06-13 |
BR112014016125A8 (pt) | 2017-07-04 |
EP2797846B1 (fr) | 2017-05-10 |
ES2636774T3 (es) | 2017-10-09 |
JP6138823B2 (ja) | 2017-05-31 |
PL2797846T3 (pl) | 2017-10-31 |
NZ627176A (en) | 2015-07-31 |
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