CN101928142A - High-purity heavy zirconia refractory product and preparation method - Google Patents
High-purity heavy zirconia refractory product and preparation method Download PDFInfo
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- CN101928142A CN101928142A CN 201010266979 CN201010266979A CN101928142A CN 101928142 A CN101928142 A CN 101928142A CN 201010266979 CN201010266979 CN 201010266979 CN 201010266979 A CN201010266979 A CN 201010266979A CN 101928142 A CN101928142 A CN 101928142A
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Abstract
The invention belongs to the field of refractory materials and provides a high-purity heavy zirconia refractory product and a preparation method. The content of ZrO2 (including stabilizing agents) in the product is not less than 98wt% and ZrO2 is a key refractory material in the superhigh temperature field. The refractory product has the characteristics of high use temperature, small pore diameter, uniform distribution, good erosion resistance and scour resistance, long service life, etc through reasonably selecting and controlling the raw material variety, grain gradation and stabilization rate and adopting organic binding agents, the way of isostatic pressing or vibrating ramming under pressure to form the green bodies and proper firing temperature.
Description
Technical field
The invention belongs to fire resisting material field, relate generally to a kind of high-purity heavy zirconia refractory product and preparation method.
Background technology
Zirconium white is a kind of important refractory raw material, and fusing point is up to 2715 ℃, the physicochemical property excellence.Many refractory materialss all add a certain amount of zirconium white, as electric smelting AZS brick, Al for improving use properties
2O
3-ZrO
2-C brick, Cr
2O
3-Al
2O
3-ZrO
2Brick etc.
High-purity zirconia refractory product typically refers to zirconium white (comprising stablizer) content at the refractory product more than 98%; it is a raw material with zirconia particles or zirconium white hollow ball, powdered zirconium oxide, stablizer, wedding agent etc., by founding, cast, machine press, etc. moulding means such as static pressure, ramming prepare the refractory product of desired shape.So-called heavy zirconia goods are different from heat insulation thermal insulation light goods such as zirconium white hollow ball product, Zirconium oxide fibre goods and zirconium white foamed brick, typically refer to volume density greater than 3.8g/cm
3Be the high-grade refractory of raw material with zirconia particles and fine powder.Compare with containing Zr refractory material, the high-purity heavy zirconia refractory materials has use temperature height (2300～2400 ℃ of maximum operation (service) temperatures), anti-erosion, antiscour, high temperature and is difficult for decomposition, good chemical stability down, is a kind of high-performance refractory goods.The high-purity heavy zirconia refractory product range of application is very extensive, and domestic at present, international have very vigorous demand to high performance high-purity heavy zirconia refractory product.
At present, market mostly has working conditions harshness, article shape complexity, the high requirement of chemical purity to high-purity heavy zirconia refractory product, and the technology and the technology of more existing preparation high-purity zirconia goods can't satisfy condition.
At present, the main representative of high-purity heavy zirconia refractory product is a field of steel-making continuous small-billet casting tundish with zirconium white matter metering nozzle, its size little (Φ 50mm, h80mm), apparent porosity low (≈ 15%), volume density height (〉=4.6g/cm
3), its zirconia content is about 95%, is raw material with granularity less than electric smelting PSZ, the baddeleyite of 0.15mm, adds certain additive and wedding agent, through the preparation of blank mix, prepared such as mechanical pressing, drying, high temperature burn till.This production technique only is fit to preparation small size, simple shape, high-purity zirconia refractory product that density is high.
Zirconium white has 3 kinds of crystal formations: monocline crystalline phase, cubic crystalline phase, cube crystalline phase.During temperature variation, between various crystal formations the phase co-conversion can take place.Zirconic crystal conversion can be followed more violent volume change, causes zirconia material to cause structure deteriorate in production, use.In the design of zirconia refractory was produced, reasonable grit grading, suitable stabilization rate, rational firing temperature, the ideal microstructure of raw material could guarantee the good result of use of zircite product of production.
Summary of the invention
The objective of the invention is to propose a kind of high-purity heavy zirconia refractory product and preparation method, by rationally choosing and controlling to raw material type, grain size distribution, stabilization rate, adopt organic bond, suitable green compact molding mode and firing temperature, make it have characteristics such as use temperature height, air vent aperture are low, uniform microstructure, this high-purity heavy zirconia refractory product can use under the working condition of harshness for a long time as ultrahigh-temperature field furnace lining material.
The present invention finishes the technical scheme that its invention task takes: a kind of high-purity heavy zirconia refractory product, ZrO in these goods
2Content 〉=98wt%, described ZrO
2Content comprise stablizer; It is the crucial refractory materials in ultrahigh-temperature field, it is characterized in that this refractory product raw material is by 60%～70% PSZ particle, 15%～20% PSZ fine powder, 10%～20% size range is that the monoclinic zirconia micro mist of 0.5um～10um constitutes, and adds organic bond; Described percentage ratio is mass percent.
The preparation method of high-purity heavy zirconia refractory product, the molding mode of base substrate is for waiting static pressure or vibration pressurization ramming process, at first with zirconia particles, powdered zirconium oxide, monoclinic zirconia micro mist, organic bond mixing and stirring, sieve, in the mould of packing into after the drying, Deng static pressure or vibration pressurization ramming process base substrate, pressure is 150MPa～180MPa during the isostatic pressing base substrate, base substrate is after 110 ℃～180 ℃ dryings, 1630 ℃～1800 ℃ are burnt till, and promptly get high-purity heavy zirconia refractory product.
Described PSZ particle is meant that the grain graininess scope is the PSZ particle of 0.15mm～1mm, and wherein the PSZ particulate material of granularity 0.5mm～1mm, granularity 0.35mm～0.5mm, granularity 0.15mm～0.35mm accounts for 10%～20%, 20%～30%, 20%～40% of raw material total mass respectively.
Described PSZ particle is meant electrically molten magnesia PSZ particle, electric smelting calcium oxide PSZ particle, electro-melting yttrium oxide PSZ particle, electric smelting calcium yttrium composite portion stabilizing zirconia particle, electric molten magnesite yttrium composite portion stabilizing zirconia particle or the combination in them.
Described PSZ particle is meant that stable phase (comprise four directions mutually with cube mutually) content is at 60%～85% electric-melting zirconia raw material.
Described PSZ fine powder is meant electrically molten magnesia PSZ fine powder, electric smelting calcium oxide PSZ fine powder, electro-melting yttrium oxide PSZ fine powder, electric smelting calcium yttrium composite portion stabilizing zirconia fine powder, electric molten magnesite yttrium composite portion stabilizing zirconia fine powder.
Described PSZ fine powder is meant that stable phase (comprise four directions mutually with cube mutually) content is at 60%～85% electric-melting zirconia raw material.
Described PSZ powder particle size scope is 30um～150um.
Described organic bond is a kind of in resol spirituous solution, water-base resin, the polyvinyl alcohol water solution, and add-on accounts for 3%～5% (adding) of whole raw material total mass.The normal wedding agent that adopts inorganic bonding agents such as phosphoric acid salt, sulfonated lignin, sulphite as zirconia refractory in the prior art still has a large amount of K after the refractory product high temperature of these inorganic bonding agent preparations burns till
2O, Na
2O, P
2O
5Residual Deng composition, seriously reduced the purity and the high temperature use properties of goods.Organic bond then can burn mistake fully through the high temperature sintering process, and it is residual not have any impurity, significantly improves the purity and the high temperature use properties of high-purity goods.
Compared with prior art, advantage such as that technical scheme of the present invention has is applied widely, do not suffer from the product shape and size restrictions, apparent porosity 20%～30% of the present invention, volume density 4.0g/cm
3～4.5g/cm
3, have that use temperature height, even aperture distribution, erosion resistance and scour resistance are good, work-ing life characteristics such as height.
Embodiment
Embodiment 1:
Take by weighing electric smelting calcium PSZ particle (stabilization rate 75%) granularity 0.5mm～1mm 1kg, granularity 0.35mm～0.5mm 2.5kg, granularity 0.15mm～0.35mm 3kg, premix 3min in the high speed muller, add resol spirituous solution 0.35kg, continue high-speed stirring 5min, again to wherein adding electric smelting calcium PSZ fine powder (stabilization rate 75%) 30um～74um 1kg, 74um～150um 1kg, monoclinic zirconia micro mist 0.5um～6um 1.5kg, behind the high-speed stirring 10min, sieve, pack into after the drying in the mould that constitutes by steel core and rubber coating, the inferior static pressure compression moulding of 150MPa pressure base substrate, base substrate is behind 180 ℃ of dry 12h, the shuttle kiln of packing into burns till for 1700 ℃, promptly gets high-purity heavy zirconia refractory product.This goods apparent porosity 25%, volume density 4.3g/cm
3, ZrO
2+ HfO
2+ CaO=99.62wt%, meta aperture 7mm, mean pore size 4mm, use temperature reaches more than 2300 ℃.
Embodiment 2:
Take by weighing electric molten magnesite PSZ particle (stabilization rate 80%) granularity 0.5mm～1mm 1kg, granularity 0.35mm～0.5mm 2.5kg, granularity 0.15mm～0.35mm 3kg, premix 3min in the high speed muller, add resol spirituous solution 0.35kg, continue high-speed stirring 5min, again to wherein adding electric molten magnesite PSZ fine powder (stabilization rate 80%) 30um～74um 1kg, 74um～150um 1kg, monoclinic zirconia micro mist 0.5um～6um 1.5kg, behind the high-speed stirring 10min, sieve, pack into after the drying in the mould that constitutes by steel core and rubber coating, the inferior static pressure compression moulding of 150MPa pressure base substrate, base substrate is behind 180 ℃ of dry 12h, the shuttle kiln of packing into burns till for 1700 ℃, promptly gets high-purity heavy zirconia refractory product.This goods apparent porosity 30%, volume density 4.04g/cm
3, ZrO
2+ HfO
2+ MgO=99.52wt%, meta aperture 8mm, mean pore size 5mm, use temperature reaches more than 2200 ℃.
Embodiment 3:
Take by weighing the yttrium partially stabilized zirconia particles of electric smelting (stabilization rate 85%) granularity 0.5mm～1mm 1kg, granularity 0.35mm～0.5mm 2.5kg, granularity 0.15mm～0.35mm 3kg, premix 3min in the high speed muller, add resol spirituous solution 0.35kg, continue high-speed stirring 5min, again to wherein adding the yttrium partially stabilized powdered zirconium oxide of electric smelting (stabilization rate 85%) 30um～74um 1kg, 74um～150um 1kg, monoclinic zirconia micro mist 0.5um～6um 1.5kg, behind the high-speed stirring 10min, sieve, pack into after the drying in the mould that constitutes by steel core and rubber coating, the inferior static pressure compression moulding of 150MPa pressure base substrate, base substrate is behind 180 ℃ of dry 24h, the shuttle kiln of packing into burns till for 1700 ℃, promptly gets high-purity heavy zirconia refractory product.This goods apparent porosity 20%, volume density 4.4g/cm
3, ZrO
2+ HfO
2+ Y
2O
3=99.70wt%, meta aperture 8mm, mean pore size 4mm, use temperature reaches more than 2400 ℃.
Embodiment 4:
Take by weighing electric smelting calcium PSZ particle (stabilization rate 60%) granularity 0.5mm～1mm 1kg, granularity 0.35mm～0.5mm 3kg, granularity 0.15mm～0.35mm 2kg, premix 2min in simpson mill, add aqueous resin solution 0.5kg, continue to stir 3min, again to wherein adding electric smelting calcium PSZ fine powder (stabilization rate 75%) 30um～74um 1kg, 74um～150um1kg, monoclinic zirconia micro mist 0.5um～6um 2kg, stirring is mixed behind the 10min, after pack in the wooden die, vibration pressurization ramming process base substrate, base substrate is behind 180 ℃ of dry 12h, the shuttle kiln of packing into burns till for 1650 ℃, promptly gets high-purity heavy zirconia refractory product.This goods apparent porosity 27%, volume density 4.2g/cm
3, ZrO
2+ HfO
2+ CaO=99.55wt%, meta aperture 12mm, mean pore size 7mm, use temperature reaches more than 2300 ℃.
Embodiment 5:
Take by weighing electric smelting calcium yttrium composite portion stabilizing zirconia particle (stabilization rate 85%) granularity 0.5mm～1mm 1.5kg, granularity 0.35mm～0.5mm 3kg, granularity 0.15mm～0.35mm 2kg, premix 2min in simpson mill, the polyvinyl alcohol water solution 0.35kg of adding 6%, continue to stir 3min, again to wherein adding electric smelting calcium yttrium composite portion stabilizing zirconia fine powder (stabilization rate 85%) 30um～74um1kg, 74um～150um 1kg, monoclinic zirconia micro mist 0.5um～6um 1.5kg, stirring is mixed behind the 10min, after pack in the steel die, vibration pressurization ramming process base substrate, base substrate is behind 180 ℃ of dry 12h, the electric furnace of packing into burns till for interior 1650 ℃, promptly gets high-purity heavy zirconia refractory product.This goods apparent porosity 20%, volume density 4.5g/cm
3, ZrO
2+ HfO
2+ CaO+Y
2O
3=99.05wt%, meta aperture 10mm, mean pore size 6mm, use temperature reaches more than 2300 ℃.
Embodiment 6:
Take by weighing electric smelting calcium yttrium stable composition zirconia particles (stabilization rate 85%) granularity 0.5mm～1mm1kg, granularity 0.35mm～0.5mm 3kg, granularity 0.15mm～0.35mm 2kg, premix 2min in simpson mill, add resol spirituous solution 0.5kg, continue to stir 3min, again to wherein adding electric smelting calcium PSZ fine powder (stabilization rate 75%) 30um～74um 1kg, 74um～150um 1kg, monoclinic zirconia micro mist 0.5um～6um 2kg, stirring is mixed behind the 10min, after pack in the wooden die, vibration pressurization ramming process base substrate, base substrate is behind 110 ℃ of dry 12h, the shuttle kiln of packing into burns till for 1750 ℃, promptly gets high-purity heavy zirconia refractory product.This goods apparent porosity 23%, volume density 4.3g/cm
3, ZrO
2+ HfO
2+ CaO+Y
2O
3=98.65wt%, meta aperture 12mm, mean pore size 7mm, use temperature reaches more than 2200 ℃.
Embodiment 7:
Take by weighing electric smelting calcium PSZ particle (stabilization rate 75%) granularity 0.5mm～1mm 1kg, granularity 0.35mm～0.5mm 2kg, granularity 0.15mm～0.35mm 3kg, premix 3min in the high speed muller, add resol spirituous solution 0.35kg, continue high-speed stirring 5min, again to wherein adding electric smelting calcium PSZ fine powder (stabilization rate 75%) 30um～74um 1kg, 74um～150um 1kg, monoclinic zirconia micro mist 0.5um～10um 2kg, behind the high-speed stirring 10min, sieve, pack into after the drying in the mould that constitutes by steel core and rubber coating, the inferior static pressure compression moulding of 150MPa pressure base substrate, base substrate is behind 180 ℃ of dry 36h, the shuttle kiln of packing into burns till for 1800 ℃, promptly gets high-purity heavy zirconia refractory product.This goods apparent porosity 22%, volume density 4.4g/cm
3, ZrO
2+ HfO
2+ CaO=99.60wt%, meta aperture 6mm, mean pore size 3mm, use temperature reaches more than 2300 ℃.
Embodiment 8:
Take by weighing electric molten magnesite PSZ particle (stabilization rate 70%) granularity 0.5mm～1mm1.5kg, granularity 0.35mm～0.5mm 3kg, granularity 0.15mm～0.35mm 2kg, premix 2min in simpson mill, add aqueous resin solution 0.3kg, continue to stir 3min, again to wherein adding electric molten magnesite PSZ fine powder (stabilization rate 70%) 30um～74um 1kg, 74um～150um 1kg, monoclinic zirconia micro mist 0.5um～10um 1.5kg, behind the high-speed stirring 10min, sieve, pack into after the drying in the mould that constitutes by steel core and rubber coating, the inferior static pressure compression moulding of 150MPa pressure base substrate, base substrate is behind 180 ℃ of dry 24h, the electric furnace of packing into burns till for 1630 ℃, promptly gets high-purity heavy zirconia refractory product.This goods apparent porosity 20%, volume density 4.4g/cm
3, ZrO
2+ HfO
2+ MgO=98.86wt%, meta aperture 10mm, mean pore size 7mm, use temperature reaches more than 2300 ℃.
Embodiment 9:
Take by weighing the yttrium partially stabilized zirconia particles of electric smelting (stabilization rate 85%) granularity 0.5mm～1mm 1kg, granularity 0.35mm～0.5mm 3kg, granularity 0.15mm～0.35mm 3kg, premix 2min in simpson mill, add polyvinyl alcohol solution 0.3kg, continue to stir 3min, again to wherein adding the yttrium partially stabilized powdered zirconium oxide of electric smelting (stabilization rate 85%) 30um～74um 1kg, 74um～150um0.5kg, monoclinic zirconia micro mist 0.5um～10um 1.5kg, behind the high-speed stirring 10min, sieve, pack into after the drying in the mould that constitutes by steel core and rubber coating, the inferior static pressure compression moulding of 200MPa pressure base substrate, base substrate is behind 180 ℃ of dry 12h, the electric furnace of packing into burns till for 1680 ℃, promptly gets high-purity heavy zirconia refractory product.This goods apparent porosity 20%, volume density 4.4g/cm
3, ZrO
2+ HfO
2+ Y
2O
3=99.86wt%, meta aperture 10mm, mean pore size 6mm, use temperature reaches more than 2400 ℃.
Embodiment 10:
Take by weighing electric smelting calcium PSZ particle (stabilization rate 75%) granularity 0.5mm～1mm 1kg, granularity 0.35mm～0.5mm 2.5kg, granularity 0.15mm～0.35mm 3kg, premix 3min in the high speed muller, add water-base resin 0.35kg, continue high-speed stirring 5min, again to wherein adding electric smelting calcium PSZ fine powder (stabilization rate 75%) 30um～74um 1kg, 74um～150um1kg, monoclinic zirconia micro mist 0.5um～6um 1.5kg, behind the high-speed stirring 10min, sieve, pack into after the drying in the mould that constitutes by steel core and rubber coating, the inferior static pressure compression moulding of 150MPa pressure base substrate, base substrate is behind 180 ℃ of dry 12h, the shuttle kiln of packing into burns till for 1700 ℃, promptly gets high-purity heavy zirconia refractory product.This goods apparent porosity 25%, volume density 4.3g/cm
3, ZrO
2+ HfO
2+ CaO=99.62wt%, meta aperture 8mm, mean pore size 5mm, use temperature reaches more than 2300 ℃.
Embodiment 11:
Take by weighing electric smelting calcium PSZ particle (stabilization rate 60%) granularity 0.5mm～1mm1.5kg, take by weighing electric molten magnesite yttrium composite portion stabilizing zirconia grain graininess (stabilization rate 85%) 0.35mm～0.5mm 3kg, granularity 0.15mm～0.35mm 2kg, premix 2min in simpson mill, add polyvinyl alcohol solution 0.3kg, continue to stir 3min, again to wherein adding the yttrium partially stabilized powdered zirconium oxide of electric smelting (stabilization rate 85%) 30um～74um 1.5kg, 74um～150um 0.5kg, monoclinic zirconia micro mist 0.5um～10um 1.5kg, stirring is mixed behind the 10min, pack in the steel die, vibration extrusion forming base substrate, base substrate is behind 110 ℃ of dry 12h, the electric furnace of packing into burns till for 1680 ℃, promptly gets high-purity heavy zirconia refractory product.This goods apparent porosity 23%, volume density 4.25g/cm
3, ZrO
2+ HfO
2+ CaO+MgO+Y
2O
3=99.16wt%, meta aperture 7mm, mean pore size 4mm, use temperature reaches more than 2300 ℃.
Embodiment 12:
Take by weighing electric smelting calcium PSZ particle (stabilization rate 60%) granularity 0.5mm～1mm 2kg, take by weighing electric molten magnesite yttrium composite portion stabilizing zirconia grain graininess (stabilization rate 85%) 0.35mm～0.5mm 3kg, granularity 0.15mm～0.35mm 1.5kg, premix 2min in simpson mill, add polyvinyl alcohol solution 0.3kg, continue to stir 3min, again to wherein adding the yttrium partially stabilized powdered zirconium oxide of electric molten magnesite (stabilization rate 85%) 30um～74um 1.5kg, 74um～150um 0.5kg, monoclinic zirconia micro mist 0.5um～10um 1.5kg, stirring is mixed behind the 10min, pack in the steel die, vibration extrusion forming base substrate, base substrate is behind 150 ℃ of dry 24h, the electric furnace of packing into burns till for 1750 ℃, promptly gets high-purity heavy zirconia refractory product.This goods apparent porosity 20%, volume density 4.4g/cm
3, ZrO
2+ HfO
2+ CaO+MgO+Y
2O
3=99.03wt%, meta aperture 6mm, mean pore size 4mm, use temperature reaches more than 2300 ℃.
Embodiment 13:
Take by weighing electric smelting calcium PSZ particle (stabilization rate 60%) granularity 0.5mm～1mm 1kg, take by weighing electric molten magnesite yttrium composite portion stabilizing zirconia grain graininess (stabilization rate 85%) 0.35mm～0.5mm 2kg, granularity 0.15mm～0.35mm 4kg, premix 2min in simpson mill, add polyvinyl alcohol solution 0.3kg, continue to stir 3min, again to wherein adding the yttrium partially stabilized powdered zirconium oxide of electric molten magnesite (stabilization rate 85%) 30um～74um 1.5kg, 74um～150um 0.5kg, monoclinic zirconia micro mist 0.5um～10um 1kg, stirring is mixed behind the 10min, pack in the steel die, vibration extrusion forming base substrate, base substrate is behind 110 ℃ of dry 12h, the electric furnace of packing into burns till for 1750 ℃, promptly gets high-purity heavy zirconia refractory product.This goods apparent porosity 22%, volume density 4.3g/cm
3, ZrO
2+ HfO
2+ CaO+MgO+Y
2O
3=99.15wt%, meta aperture 7mm, mean pore size 4mm, use temperature reaches more than 2300 ℃.
Embodiment 14:
Take by weighing electric molten magnesite PSZ particle (stabilization rate 70%) granularity 0.5mm～1mm 2kg, granularity 0.35mm～0.5mm 2kg, granularity 0.15mm～0.35mm 3kg, premix 2min in simpson mill, add aqueous resin solution 0.3kg, continue to stir 3min, again to wherein adding electric molten magnesite PSZ fine powder (stabilization rate 70%) 30um～74um 1kg, 74um～150um1kg, monoclinic zirconia micro mist 0.5um～10um 1kg, behind the high-speed stirring 10min, sieve, pack into after the drying in the mould that constitutes by steel core and rubber coating, the inferior static pressure compression moulding of 150MPa pressure base substrate, base substrate is behind 180 ℃ of dry 12h, the electric furnace of packing into burns till for 1630 ℃, promptly gets high-purity heavy zirconia refractory product.This goods apparent porosity 23%, volume density 4.25g/cm
3, ZrO
2+ HfO
2+ MgO=99.02wt%, meta aperture 8mm, mean pore size 6mm, use temperature reaches more than 2300 ℃.
Claims (9)
1. high-purity heavy zirconia refractory product, ZrO in these goods
2Content 〉=98wt%, described ZrO
2Content comprise stablizer; It is characterized in that: described refractory product raw material is to be that the monoclinic zirconia micro mist of 0.5um～10um constitutes by 60%～70% PSZ particle, 15%～20% PSZ fine powder, 10%～20% size range, and adds organic bond; Described percentage ratio is mass percent.
2. a kind of high-purity heavy zirconia refractory product according to claim 1, it is characterized in that: the PSZ particle is meant that the grain graininess scope is the zirconia particles material of 0.15mm～1mm, and wherein the zirconium white of granularity 0.5mm～1mm, granularity 0.35mm～0.5mm, granularity 0.15mm～0.35mm accounts for 10%～20%, 20%～30%, 20%～40% of raw material total mass respectively.
3. a kind of high-purity heavy zirconia refractory product according to claim 1 is characterized in that: the PSZ particle is meant electrically molten magnesia PSZ particle, electric smelting calcium oxide PSZ particle, electro-melting yttrium oxide PSZ particle, electric smelting calcium yttrium composite portion stabilizing zirconia particle, electric molten magnesite yttrium composite portion stabilizing zirconia particle or the combination in them.
4. a kind of high-purity heavy zirconia refractory product according to claim 1 is characterized in that: the PSZ particle be meant by the four directions mutually with cube stable phase content that constitutes mutually at 60%～85% electric-melting zirconia raw material.
5. a kind of high-purity heavy zirconia refractory product according to claim 1 is characterized in that: the PSZ fine powder is meant electrically molten magnesia PSZ fine powder, electric smelting calcium oxide PSZ fine powder, electro-melting yttrium oxide PSZ fine powder, electric smelting calcium yttrium composite portion stabilizing zirconia fine powder, electric molten magnesite yttrium composite portion stabilizing zirconia fine powder.
6. a kind of high-purity heavy zirconia refractory product according to claim 1 is characterized in that: the PSZ fine powder be meant by the four directions mutually with cube stable phase content that constitutes mutually at 60%～85% electric-melting zirconia raw material.
7. a kind of high-purity heavy zirconia refractory product according to claim 1, it is characterized in that: PSZ powder particle size scope is 30um～150um.
8. a kind of high-purity heavy zirconia refractory product according to claim 1, it is characterized in that: described organic bond is a kind of in resol spirituous solution, water-base resin, the polyvinyl alcohol water solution, and add-on accounts for 3%～5% of whole raw material total mass.
9. the preparation method of right 1 described a kind of high-purity heavy zirconia refractory product, it is characterized in that: the molding mode of base substrate is for waiting static pressure or vibration pressurization ramming process, at first with zirconia particles, powdered zirconium oxide, monoclinic zirconia micro mist, organic bond mixing and stirring, sieve, in the mould of packing into after the drying, Deng static pressure or vibration pressurization ramming process base substrate, pressure is 150MPa～180MPa during the isostatic pressing base substrate, base substrate is after 110 ℃～180 ℃ dryings, 1630 ℃～1800 ℃ are burnt till, and promptly get high-purity heavy zirconia refractory product.
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| CN102134166A (en) * | 2011-04-13 | 2011-07-27 | 福建三祥工业新材料有限公司 | Ramming material |
| CN103553653A (en) * | 2013-10-14 | 2014-02-05 | 中钢集团洛阳耐火材料研究院有限公司 | High-purity zirconium oxide refractory product with gradient function and preparation method thereof |
| CN103924292A (en) * | 2014-03-26 | 2014-07-16 | 浙江晶盛机电股份有限公司 | Zirconium oxide ceramic brick for insulating layer of sapphire furnace and production method thereof |
| CN103936442A (en) * | 2014-04-02 | 2014-07-23 | 上海宝威陶瓷新材料有限公司 | Composition and preparation method of magnesium-yttrium-calcium compound stabilized zirconia nozzle brick |
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| CN106470958A (en) * | 2014-07-14 | 2017-03-01 | 里弗雷克特里知识产权两合公司 | Refractory product, the purposes of zirconium dioxide, zirconium dioxide, be used for the method manufacturing refractory product and the refractory product being produced from |
| CN107746276A (en) * | 2017-09-27 | 2018-03-02 | 郑州方铭高温陶瓷新材料有限公司 | The preparation method of mobile phone glass hot bending zirconia ceramic mould |
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| CN109400191A (en) * | 2018-12-10 | 2019-03-01 | 中钢集团洛阳耐火材料研究院有限公司 | A kind of high-purity zirconia heat insulation refractory product |
| US10407349B2 (en) | 2015-04-24 | 2019-09-10 | Corning Incorporated | Bonded zirconia refractories and methods for making the same |
| CN112573919A (en) * | 2020-12-30 | 2021-03-30 | 巩义市新科耐火材料有限公司 | Production method of zirconia brick for ultra-high temperature carbon black furnace |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1052842A (en) * | 1989-12-27 | 1991-07-10 | 冶金部洛阳耐火材料研究院 | The production method of ceramic articles based on zirconium oxide |
| EP0633232A1 (en) * | 1993-07-08 | 1995-01-11 | Japan Abrasive Co., Ltd. | Fused zirconia refractory materials, method for producing the same and refractory products |
| CN101108775A (en) * | 2007-08-27 | 2008-01-23 | 中钢集团洛阳耐火材料研究院 | Method for manufacturing zirconium oxide product |
-
2010
- 2010-08-24 CN CN 201010266979 patent/CN101928142B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1052842A (en) * | 1989-12-27 | 1991-07-10 | 冶金部洛阳耐火材料研究院 | The production method of ceramic articles based on zirconium oxide |
| EP0633232A1 (en) * | 1993-07-08 | 1995-01-11 | Japan Abrasive Co., Ltd. | Fused zirconia refractory materials, method for producing the same and refractory products |
| CN101108775A (en) * | 2007-08-27 | 2008-01-23 | 中钢集团洛阳耐火材料研究院 | Method for manufacturing zirconium oxide product |
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| CN102134166B (en) * | 2011-04-13 | 2012-12-19 | 三祥新材股份有限公司 | Ramming material |
| CN102134166A (en) * | 2011-04-13 | 2011-07-27 | 福建三祥工业新材料有限公司 | Ramming material |
| CN103553653B (en) * | 2013-10-14 | 2015-09-16 | 中钢集团洛阳耐火材料研究院有限公司 | A kind of high-purity zirconia refractory product and preparation method with gradient function |
| CN103553653A (en) * | 2013-10-14 | 2014-02-05 | 中钢集团洛阳耐火材料研究院有限公司 | High-purity zirconium oxide refractory product with gradient function and preparation method thereof |
| CN103924292A (en) * | 2014-03-26 | 2014-07-16 | 浙江晶盛机电股份有限公司 | Zirconium oxide ceramic brick for insulating layer of sapphire furnace and production method thereof |
| CN103922768B (en) * | 2014-03-27 | 2016-06-29 | 中钢集团洛阳耐火材料研究院有限公司 | A kind of function composite zirconia refractory product and preparation method thereof |
| CN103936442A (en) * | 2014-04-02 | 2014-07-23 | 上海宝威陶瓷新材料有限公司 | Composition and preparation method of magnesium-yttrium-calcium compound stabilized zirconia nozzle brick |
| CN106470958A (en) * | 2014-07-14 | 2017-03-01 | 里弗雷克特里知识产权两合公司 | Refractory product, the purposes of zirconium dioxide, zirconium dioxide, be used for the method manufacturing refractory product and the refractory product being produced from |
| CN104788108A (en) * | 2015-04-09 | 2015-07-22 | 中钢集团洛阳耐火材料研究院有限公司 | Zirconia fiber board and preparation method |
| US10407349B2 (en) | 2015-04-24 | 2019-09-10 | Corning Incorporated | Bonded zirconia refractories and methods for making the same |
| CN107746276A (en) * | 2017-09-27 | 2018-03-02 | 郑州方铭高温陶瓷新材料有限公司 | The preparation method of mobile phone glass hot bending zirconia ceramic mould |
| CN109369181A (en) * | 2018-12-10 | 2019-02-22 | 中钢集团洛阳耐火材料研究院有限公司 | A kind of high-purity zirconia refractory product of volume stability |
| CN109400191A (en) * | 2018-12-10 | 2019-03-01 | 中钢集团洛阳耐火材料研究院有限公司 | A kind of high-purity zirconia heat insulation refractory product |
| CN112573919A (en) * | 2020-12-30 | 2021-03-30 | 巩义市新科耐火材料有限公司 | Production method of zirconia brick for ultra-high temperature carbon black furnace |
| CN115231931A (en) * | 2022-07-20 | 2022-10-25 | 郑州振中电熔新材料有限公司 | Method for manufacturing high-quality zirconia water gap by using magnesium-zirconium eutectic material and monoclinic zirconia |
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