WO2005023726A1 - Piece crue destinee a la fabrication d'un produit refractaire fritte presentant un comportement au bullage ameliore - Google Patents
Piece crue destinee a la fabrication d'un produit refractaire fritte presentant un comportement au bullage ameliore Download PDFInfo
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- WO2005023726A1 WO2005023726A1 PCT/FR2004/002210 FR2004002210W WO2005023726A1 WO 2005023726 A1 WO2005023726 A1 WO 2005023726A1 FR 2004002210 W FR2004002210 W FR 2004002210W WO 2005023726 A1 WO2005023726 A1 WO 2005023726A1
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- green part
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- 230000005587 bubbling Effects 0.000 title description 13
- 230000001747 exhibiting effect Effects 0.000 title 1
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 16
- 239000011707 mineral Substances 0.000 claims abstract description 16
- 239000000126 substance Substances 0.000 claims abstract description 9
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 28
- 239000011521 glass Substances 0.000 claims description 14
- 238000005245 sintering Methods 0.000 claims description 11
- 229910052809 inorganic oxide Inorganic materials 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 7
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 claims description 4
- 239000000470 constituent Substances 0.000 claims description 3
- 238000005816 glass manufacturing process Methods 0.000 claims 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 8
- 239000000377 silicon dioxide Substances 0.000 abstract description 4
- 229910052593 corundum Inorganic materials 0.000 abstract description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 1
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Inorganic materials O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- YEAUATLBSVJFOY-UHFFFAOYSA-N tetraantimony hexaoxide Chemical compound O1[Sb](O2)O[Sb]3O[Sb]1O[Sb]2O3 YEAUATLBSVJFOY-UHFFFAOYSA-N 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- FIXNOXLJNSSSLJ-UHFFFAOYSA-N ytterbium(III) oxide Inorganic materials O=[Yb]O[Yb]=O FIXNOXLJNSSSLJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000011734 sodium Substances 0.000 description 16
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 5
- 229910052863 mullite Inorganic materials 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 102100031083 Uteroglobin Human genes 0.000 description 1
- 108090000203 Uteroglobin Proteins 0.000 description 1
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000012926 crystallographic analysis Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000011396 hydraulic cement Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052664 nepheline Inorganic materials 0.000 description 1
- 239000010434 nepheline Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910021487 silica fume Inorganic materials 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
- 229910003454 ytterbium oxide Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/101—Refractories from grain sized mixtures
- C04B35/106—Refractories from grain sized mixtures containing zirconium oxide or zircon (ZrSiO4)
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- 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
- C03B5/42—Details of construction of furnace walls, e.g. to prevent corrosion; Use of materials for furnace walls
- C03B5/43—Use of materials for furnace walls, e.g. fire-bricks
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- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
- C04B35/62665—Flame, plasma or melting treatment
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- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5292—Flakes, platelets or plates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5427—Particle size related information expressed by the size of the particles or aggregates thereof millimeter or submillimeter sized, i.e. larger than 0,1 mm
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Definitions
- the invention relates to an aluminous sintered refractory product, to a process for the production of this refractory product, and to a green part, or "preform". , intended to be sintered to obtain this refractory product.
- Refractory products include fused and cast products and sintered products. Unlike sintered products, as described for example in US 2001/0019992 A1, melted and cast products most often comprise an intergranular vitreous phase connecting crystallized grains. The problems posed by sintered products and by cast and cast products, and the technical resolutions adopted to solve them, are therefore generally different. A composition developed to produce a melted and cast product is not a priori usable as such to manufacture a sintered product and vice versa.
- the sintered products are obtained by mixing appropriate raw materials and then shaping this mixture raw and cooking the resulting raw form at a temperature and for a time sufficient to obtain the sintering of this raw form. This cooking can be done in baking ovens or in situ in the glassware oven for products sold raw or unshaped.
- Sintered products according to their chemical composition and their method of preparation, are intended for very varied industries. Among the sintered products, alumina-zirconia-silica products, commonly called AZS, as well as so-called aluminous products are used in the areas of glass melting furnaces. Products such as those described in FR 2 552 756 in the name of Emhart Industries are generally suitable.
- the invention proposes a green part having the average mineral chemical composition, in percentage by weight on the basis of the mineral oxides, as follows: 40% ⁇ Al 2 O 3 ⁇ 94%, 0% ⁇ ZrO 2 ⁇ 41% , 2% ⁇ SiO 2 ⁇ 22%, preferably 3% ⁇ SiO 2 ⁇ 22%, 1% ⁇ Y 2 O 3 + V 2 O 5 + TiO 2 + Sb 2 O 3 + Yb 2 O 3 + Na 2 O
- the sintered refractory products obtained from this green part induce a reduced bubbling phenomenon.
- ZrO 2 ⁇ 35% preferably ZrO 2 ⁇ 30%.
- the total content Y 2 O 3 + V 2 O 5 + TiO 2 + Sb 2 O 3 + Yb 2 O 3 + Na 2 O is less than or equal to 5%. Indeed, beyond this value, the main crystalline phases can be modified, resulting in degradation of other properties of the products (corrosion resistance or release of defects for example).
- the total content of Y 2 O 3 + V 2 O 5 + TiO 2 + Sb 2 O 3 + Yb 2 O 3 + Na 2 O is greater than 1%, preferably 2%, more preferably 3%, in percent by weight based on the mineral oxides.
- a high content of Y 2 O 3 + V 2 O 5 + TiO 2 + Sb 2 O 3 + Yb 2 O 3 + Na 2 O indeed improves the bubbling behavior of the product.
- the content of at least one of Y 2 O 3 , V 2 O 5 , TiO 2 , Sb 2 O 3 , Yb 2 O 3 and Na 2 O preferably from Y 2 O 3 , V 2 O 5 , TiO 2 , Sb 2 O 3 , and Yb 2 O 3 , more preferably from Y 2 O 3 and TiO 2 , is greater than 1%, preferably 2%, more preferably 3%, in weight percent on the base of the mineral oxides.
- TiO 2 and Y 2 O 3 are the preferred oxides of Y 2 O 3, V 2 O 5, TiO 2l Sb 2 O 3, Yb 2 O 3 and Na 2 O. In fact, they allow to obtain very good results at a reduced cost.
- the invention also relates to a refractory product obtained by sintering a green part according to the invention, and thus having an average inorganic oxide chemical composition in accordance with that of a green part according to the invention. Indeed, the oxide composition of the sintered product is substantially equal to that of the green part and the starting mixture.
- the invention also relates to the use of a refractory product according to the invention in an area of a glass furnace, in particular for the manufacture of soda-lime glass (SCC) or extra-white (SCEB).
- the invention finally relates to a process for the production of a sintered refractory product comprising at least the following successive stages: a) preparation of a green part according to the invention from a raw material mixture in which has been added a greater than 1% of a constituent consisting of one or more of Y 2 O 3 , V 2 O 5 , TiO 2 , Sb 2 O 3 , Yb 2 O 3 and Na 2 O, expressed as a percentage by weight on the base of the mineral oxides, b) sintering of said green part.
- green part is meant the part before sintering. Sintering corresponds to the thermal consolidation of the material. It is usually accompanied by a decrease in porosity and dimensional shrinkage.
- the green part is conventionally composed of mineral oxides (mineral chemical composition), water and organic compounds (binders) to ensure the mechanical strength of the piece. Water and organic binders are removed during the thermal sintering cycle.
- mineral oxides mineral chemical composition
- binder organic compounds
- melted or sintered mullite grains for example a powder which contains 76.5% of Al 2 O 3 and 22.5% of SiO 2 and whose particle size varies from 0.7 to 3 mm;
- reactive alumina or a mixture of reactive aluminas, containing more than 99% of Al 2 Os, the median diameter of the reactive alumina particles being variable from 0.5 ⁇ m to 3 ⁇ m;
- silica marketed by the European Society of Refractory Products. This vitreous silica contains more than 93% silica (SiO 2 ) and is in the form of a powder whose particles have a median diameter of 1 ⁇ m maximum. All our examples contain at least 2%;
- CA25 contains more than 78% AI 2 O 3 and less than 19% CaO.
- zircon in the form of sand or micronized and containing 33% of silica
- Sintered refractory blocks were manufactured according to a process conventionally comprising the following steps: a) preparation of a mixture of raw materials, b) formation of a green part from said mixture, c) sintering of said green part.
- step a) the raw materials are dosed in such a way that the mixture has the desired average weight mineral chemical composition, and then mixed in the presence of water and at least one dispersant, for example sodium phosphate.
- the mixture was then poured into a mold of dimensions 230 mm ⁇ 114 mm ⁇ 64 mm so as to form a green part having sufficient mechanical strength to be handled.
- the green part was then sintered at a temperature between 1300 ° C.
- the refractory product sample is a crucible with a wall thickness of 5 mm and an inside diameter of 30 mm. In this test, the sample contains glass.
- the type of glass is indicated in Table 1. It may be a conventional soda-lime (SCC) or extra-white (SCEB) glass.
- SCC soda-lime
- SCEB extra-white glass.
- the crucible containing the glass is then brought to the desired temperature (1250 ° C for SCC and 1150-1250 ° C for SCEB glass) under air for 30 hours to reproduce the temperature and atmosphere conditions characteristic of the conditions of industrial use.
- the bubbling index (IB) is then measured, between 1 (minimum bubbling) and 10 (intense bubbling), corresponding to the number of gas bubbles trapped in the glass after cooling.
- the bubbling index is considered good if it is less than or equal to 5.
- the chemical analysis of different products tested and the test results are given in Table 1. The analysis is a mean chemical analysis, given in percentage by weight based on the mineral oxides. The complement corresponds to CaO and impurities such as gO, K 2 O and Fe 2 O 3 .
- the examples show that its influence is optimal for a content of between 1, 5 and 2.5%.
- the comparison of Examples 14 and 30 shows that the addition of 1.5% TiO 2 has a positive effect on the bubbling index.
- the crystallographic analysis of the products of the invention reveals a main phase of corundum, possibly associated with mullite and zirconia. On the other hand, when zirconia is present, zirconia is found in monoclinic or quadratic form.
- the Y 2 O 3 + V 2 O 5 + TiO 2 + Sb 2 O 3 + Yb 2 O 3 + Na 2 O contents of the invention are insufficient to completely stabilize the zirconia.
- these oxides make it possible to reduce bubbling on aluminous products that do not contain zirconia.
- the invention is therefore not related to stabilization of zirconia.
- the Applicant explains the performance of the products according to the invention as follows.
- the mullite in the fine fraction could cause a change in the conduction properties of the product, in particular its fine fraction (grains smaller than 50 ⁇ m), by creating new phases or by limiting existing phases in the reference product (for example mullite).
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Thermal Sciences (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Glass Compositions (AREA)
- Ceramic Products (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0413087A BRPI0413087B1 (pt) | 2003-09-01 | 2004-08-30 | produto refratário sinterizado, utilização e processo de fabricação do mesmo |
DE602004007811T DE602004007811T2 (de) | 2003-09-01 | 2004-08-30 | Hohlteil zur herstellung eines feuerfesten sinterprodukts mit verbessertem blasenverhalten |
PL04786367T PL1667944T3 (pl) | 2003-09-01 | 2004-08-30 | Półprodukt do wytwarzania opiekanego ogniotrwałego produktu wykazującego polepszone zachowanie co do tworzenia się pęcherzyków |
AU2004270431A AU2004270431A1 (en) | 2003-09-01 | 2004-08-30 | Green part intended for the manufacture of a sintered refractory product having improved bubbling behaviour |
JP2006525851A JP4944610B2 (ja) | 2003-09-01 | 2004-08-30 | 改良された気泡発生挙動を有する焼結耐火物製品の製造を目的としたグリーン部材 |
CN2004800231000A CN1835897B (zh) | 2003-09-01 | 2004-08-30 | 制造具有改进的起泡性能的烧结耐火产品用的坯件 |
US10/569,955 US20070015655A1 (en) | 2003-09-01 | 2004-08-30 | Hollow piece for producing a sintered refractory product exhibiting improved bubbling behaviour |
EP04786367A EP1667944B1 (fr) | 2003-09-01 | 2004-08-30 | Piece crue destinee a la fabrication d un produit refractaire fritte presentant un comportement au bullage ameliore |
US12/206,642 US8187990B2 (en) | 2003-09-01 | 2008-09-08 | Hollow piece for producing a sintered refractory product exhibiting improved bubbling behaviour |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0310350A FR2859203B1 (fr) | 2003-09-01 | 2003-09-01 | Piece crue destinee a la fabrication d'un produit refractaire fritte presentant un comportement au bullage ameliore |
FR0310350 | 2003-09-01 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10569955 A-371-Of-International | 2004-08-30 | ||
US12/206,642 Continuation-In-Part US8187990B2 (en) | 2003-09-01 | 2008-09-08 | Hollow piece for producing a sintered refractory product exhibiting improved bubbling behaviour |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005023726A1 true WO2005023726A1 (fr) | 2005-03-17 |
Family
ID=34130686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2004/002210 WO2005023726A1 (fr) | 2003-09-01 | 2004-08-30 | Piece crue destinee a la fabrication d'un produit refractaire fritte presentant un comportement au bullage ameliore |
Country Status (13)
Country | Link |
---|---|
US (1) | US20070015655A1 (fr) |
EP (1) | EP1667944B1 (fr) |
JP (1) | JP4944610B2 (fr) |
CN (1) | CN1835897B (fr) |
AT (1) | ATE368019T1 (fr) |
AU (1) | AU2004270431A1 (fr) |
BR (1) | BRPI0413087B1 (fr) |
DE (1) | DE602004007811T2 (fr) |
ES (1) | ES2290767T3 (fr) |
FR (1) | FR2859203B1 (fr) |
PL (1) | PL1667944T3 (fr) |
WO (1) | WO2005023726A1 (fr) |
ZA (1) | ZA200602617B (fr) |
Cited By (5)
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---|---|---|---|---|
US9073773B2 (en) | 2011-03-11 | 2015-07-07 | Saint-Gobain Ceramics & Plastics, Inc. | Refractory object, glass overflow forming block, and process for glass object manufacture |
US9174874B2 (en) | 2011-03-30 | 2015-11-03 | Saint-Gobain Ceramics & Plastics, Inc. | Refractory object, glass overflow forming block, and process of forming and using the refractory object |
US9216928B2 (en) | 2011-04-13 | 2015-12-22 | Saint-Gobain Ceramics & Plastics, Inc. | Refractory object including beta alumina and processes of making and using the same |
US9249043B2 (en) | 2012-01-11 | 2016-02-02 | Saint-Gobain Ceramics & Plastics, Inc. | Refractory object and process of forming a glass sheet using the refractory object |
US11814317B2 (en) | 2015-02-24 | 2023-11-14 | Saint-Gobain Ceramics & Plastics, Inc. | Refractory article and method of making |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2891271B1 (fr) * | 2005-09-26 | 2008-01-11 | Saint Gobain Ct Recherches | Produit refractaire fritte presentant une resistance aux chocs thermiques amelioree. |
FR2940276B1 (fr) * | 2008-12-22 | 2011-02-04 | Saint Gobain Ct Recherches | Bloc refractaire et four de fusion de verre |
CN101830710B (zh) * | 2009-03-10 | 2012-10-03 | 北京嘉邦环保工程技术有限责任公司 | 陶瓷锚固件及其制备方法 |
EP2394972B1 (fr) * | 2010-06-09 | 2013-08-21 | AGC Ceramics Co., Ltd. | Agrégat réfractaire léger |
FR2961506B1 (fr) * | 2010-06-21 | 2014-03-14 | Saint Gobain Ct Recherches | Bloc refractaire et four de fusion de verre |
US10421681B2 (en) * | 2010-07-12 | 2019-09-24 | Corning Incorporated | Alumina isopipes for use with tin-containing glasses |
TWI537231B (zh) * | 2010-07-12 | 2016-06-11 | 康寧公司 | 高靜態疲勞的氧化鋁隔離管 |
CN101891369B (zh) * | 2010-08-03 | 2012-04-18 | 瑞泰科技股份有限公司 | 熔铸α-β氧化铝筒形砖及其生产方法 |
WO2013049239A1 (fr) | 2011-09-26 | 2013-04-04 | Saint-Gobain Ceramics & Plastics, Inc. | Articles abrasifs contenant des particules abrasives, abrasifs enrobés utilisant les particules abrasives et procédés de formation associés |
CN103937934B (zh) * | 2013-01-22 | 2016-04-27 | 宝山钢铁股份有限公司 | 一种用于退火炉的炉辊制备方法 |
KR20160137631A (ko) * | 2014-03-27 | 2016-11-30 | 코닝 인코포레이티드 | 세라믹 산화물 바디, 이의 제작 방법, 및 유리 시트의 제조방법 |
CN106083017B (zh) * | 2016-06-22 | 2018-08-17 | 景德镇陶瓷大学 | 一种高性能低膨胀坩埚及其制备方法 |
TWI826432B (zh) * | 2018-04-06 | 2023-12-21 | 美商康寧公司 | 玻璃熔融系統的排放導管 |
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US4308067A (en) * | 1979-06-11 | 1981-12-29 | Societe Europeenne Des Produits Refractaires | Unshaped refractory compositions useful as jointing and moulding compositions |
GB2147287A (en) * | 1983-09-30 | 1985-05-09 | Emhart Ind | Alkali-resistant refractory compositions |
DE3842280A1 (de) * | 1987-12-16 | 1989-06-29 | Corhart Refractories Co | Feuerfeste mischung auf der basis eines geschmolzenen gemisches aus ton-, zirkon- und kieselerde (azs) |
US20010019992A1 (en) * | 2000-01-31 | 2001-09-06 | Societe Europeenne Des Produits Refractaires | Fused cast products based on alumina zirconia-silica with an improved microstructure |
US20020013212A1 (en) * | 2000-06-20 | 2002-01-31 | Societe Europeenne Des Produits Refractaires | Fused and cast AZS products of reduced cost, and uses thereof |
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-
2003
- 2003-09-01 FR FR0310350A patent/FR2859203B1/fr not_active Expired - Fee Related
-
2004
- 2004-08-30 AT AT04786367T patent/ATE368019T1/de not_active IP Right Cessation
- 2004-08-30 WO PCT/FR2004/002210 patent/WO2005023726A1/fr active IP Right Grant
- 2004-08-30 EP EP04786367A patent/EP1667944B1/fr not_active Expired - Lifetime
- 2004-08-30 CN CN2004800231000A patent/CN1835897B/zh not_active Expired - Fee Related
- 2004-08-30 US US10/569,955 patent/US20070015655A1/en not_active Abandoned
- 2004-08-30 JP JP2006525851A patent/JP4944610B2/ja not_active Expired - Fee Related
- 2004-08-30 ES ES04786367T patent/ES2290767T3/es not_active Expired - Lifetime
- 2004-08-30 AU AU2004270431A patent/AU2004270431A1/en not_active Abandoned
- 2004-08-30 BR BRPI0413087A patent/BRPI0413087B1/pt not_active IP Right Cessation
- 2004-08-30 DE DE602004007811T patent/DE602004007811T2/de not_active Expired - Lifetime
- 2004-08-30 PL PL04786367T patent/PL1667944T3/pl unknown
-
2006
- 2006-03-30 ZA ZA200602617A patent/ZA200602617B/en unknown
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US4308067A (en) * | 1979-06-11 | 1981-12-29 | Societe Europeenne Des Produits Refractaires | Unshaped refractory compositions useful as jointing and moulding compositions |
GB2147287A (en) * | 1983-09-30 | 1985-05-09 | Emhart Ind | Alkali-resistant refractory compositions |
DE3842280A1 (de) * | 1987-12-16 | 1989-06-29 | Corhart Refractories Co | Feuerfeste mischung auf der basis eines geschmolzenen gemisches aus ton-, zirkon- und kieselerde (azs) |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9073773B2 (en) | 2011-03-11 | 2015-07-07 | Saint-Gobain Ceramics & Plastics, Inc. | Refractory object, glass overflow forming block, and process for glass object manufacture |
US9714185B2 (en) | 2011-03-11 | 2017-07-25 | Saint-Gobain Ceramics & Plastics, Inc. | Refractory object, glass overflow forming block, and process for glass object manufacture |
US9174874B2 (en) | 2011-03-30 | 2015-11-03 | Saint-Gobain Ceramics & Plastics, Inc. | Refractory object, glass overflow forming block, and process of forming and using the refractory object |
US9796630B2 (en) | 2011-03-30 | 2017-10-24 | Saint-Gobain Ceramics & Plastics, Inc. | Refractory object, glass overflow forming block, and process of forming and using the refractory object |
US9216928B2 (en) | 2011-04-13 | 2015-12-22 | Saint-Gobain Ceramics & Plastics, Inc. | Refractory object including beta alumina and processes of making and using the same |
US9249043B2 (en) | 2012-01-11 | 2016-02-02 | Saint-Gobain Ceramics & Plastics, Inc. | Refractory object and process of forming a glass sheet using the refractory object |
US9902653B2 (en) | 2012-01-11 | 2018-02-27 | Saint-Gobain Ceramics & Plastics, Inc. | Refractory object and process of forming a glass sheet using the refractory object |
US10590041B2 (en) | 2012-01-11 | 2020-03-17 | Saint-Gobain Ceramics & Plastics, Inc. | Refractory object and process of forming a glass sheet using the refractory object |
US11814317B2 (en) | 2015-02-24 | 2023-11-14 | Saint-Gobain Ceramics & Plastics, Inc. | Refractory article and method of making |
Also Published As
Publication number | Publication date |
---|---|
AU2004270431A1 (en) | 2005-03-17 |
EP1667944B1 (fr) | 2007-07-25 |
CN1835897B (zh) | 2011-05-18 |
US20070015655A1 (en) | 2007-01-18 |
FR2859203B1 (fr) | 2006-02-10 |
FR2859203A1 (fr) | 2005-03-04 |
BRPI0413087A (pt) | 2006-10-03 |
JP2007504088A (ja) | 2007-03-01 |
CN1835897A (zh) | 2006-09-20 |
DE602004007811T2 (de) | 2008-04-10 |
DE602004007811D1 (de) | 2007-09-06 |
ES2290767T3 (es) | 2008-02-16 |
JP4944610B2 (ja) | 2012-06-06 |
PL1667944T3 (pl) | 2007-12-31 |
BRPI0413087B1 (pt) | 2018-09-11 |
ZA200602617B (en) | 2007-12-27 |
EP1667944A1 (fr) | 2006-06-14 |
ATE368019T1 (de) | 2007-08-15 |
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