CN110194673A - A kind of energy-saving mullite zirconium oxide multiple phase refractory material and preparation method thereof - Google Patents

A kind of energy-saving mullite zirconium oxide multiple phase refractory material and preparation method thereof Download PDF

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CN110194673A
CN110194673A CN201910472476.8A CN201910472476A CN110194673A CN 110194673 A CN110194673 A CN 110194673A CN 201910472476 A CN201910472476 A CN 201910472476A CN 110194673 A CN110194673 A CN 110194673A
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energy
saving
zirconium oxide
mullite
refractory material
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向若飞
李远兵
李淑静
王海路
周子孟
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WUXI YIGANG NAIHUO MATERIAL Co.,Ltd.
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Wuhan University of Science and Engineering WUSE
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Abstract

The present invention relates to a kind of energy-saving mullite zirconium oxide multiple phase refractory materials and preparation method thereof.Its technical solution is: by Al2O3∶SiO2Mass ratio be (2.55~2.85): 1, zircon tailing and alumina are mixed to get mixture；The water of the titanium oxide of the additional 3~5wt% of mixture, the lanthana of 0.6~0.8wt%, the polyvinyl alcohol of 4~6wt% and 30~40wt%, 5~7h of ball milling obtain ball milling material again；Then dry by the ball milling material extrusion molding, 4~8 hours are kept the temperature under the conditions of 1550~1650 DEG C, energy-saving mullite zirconium oxide multiple phase refractory material is made in natural cooling.The present invention has the characteristics that production cost is low, environmental pollution is small and easy to industrialized production.The prepared lower thermal expansion coefficient of mullite zirconium oxide multiple phase refractory material is low, energy-saving effect is good and use scope is wide.

Description

A kind of energy-saving mullite zirconium oxide multiple phase refractory material and preparation method thereof
Technical field
The invention belongs to technical field of refractory materials.More particularly to a kind of energy-saving mullite zirconium oxide multiple phase refractory material And preparation method thereof.
Background technique
Mullite has many advantages, such as thermal expansion coefficient is small, refractoriness is high and electrical insulating property is strong, is widely used in fire resisting The industries such as material, chemistry and electric power.Zirconium oxide has different crystal phases, and monocline crystal phase is stablized at 1170 DEG C hereinafter, tetragonal phase Stablize between 1170~2570 DEG C, cubic phase is stablized between 2570~2680 DEG C (fusing points).In the preparation of mullite Zirconium oxide is introduced in journey, and the mechanical property of material can be greatly improved using the transformation toughening of zirconium oxide.
Zircon tailing is the solid waste generated in zircon exploitation and ore dressing process, utilizes zircon tailing system The standby mullite material containing zirconium oxide can not only reduce production cost, improves mineral products utilization efficiency and alleviate current mineral resources Nervous situation, and can be reduced environmental pollution caused by tailing, there is good social value and economic value.
" a method of mullite powder is prepared by raw material of flyash " (ZL201210255167.3) and " modified kaolin The method of low temperature preparation mullite " (ZL201210104659.2) patented technology, though mullite material is made, major defect exists In: high production cost and production technology are complicated, are unfavorable for accomplishing scale production；Using fluorochemical, environmental pollution is caused. " a kind of mullite lightweight thermal insulation brick and preparation method thereof based on discarded molding sand " (ZL201210105340.1), " one kind contains zirconium Cordierite composite diphase material and preparation method thereof " (ZL201410522759.6), " one kind composite diphase material containing zirconium mullite and its preparation Method " (ZL201410522993.9) and " one kind is containing zirconium mullite-vagcor composite diphase material and preparation method thereof " (201410523197.7) patented technology, though above-mentioned technology using hot investment casting discarded molding sand be made mullite lightweight thermal insulation brick, Cordierite containing zirconium contains zirconium mullite and vagcor containing zirconium mullite, and major defect is discarded molding sand from metal casting Industry is made, a large amount of metals contained therein and metal oxide weaken high-temperature behavior.It is " a kind of to produce mullite using flyash Method " (ZL201210005536.3) patented technology, though the technology using pre-treating fly ash as raw material be fired to obtain come Stone can generate a large amount of waste water in production process.
Summary of the invention
The present invention is directed to overcome prior art defect, it is therefore an objective to it is low, environmental-friendly and be easy to work to provide a kind of production cost The preparation method for the mullite zirconium oxide multiple phase refractory material that industry metaplasia produces.The energy-saving mullite oxidation prepared by this method The thermal expansion coefficient of zirconium multiple phase refractory material is low, energy-saving effect is good and use scope is wide.
To achieve the above object, the technical solution adopted by the present invention is that:
By Al2O3∶SiO2Mass ratio be (2.55~2.85): 1, zircon tailing and alumina are mixed to get mixing Material；Again the titanium oxide of the additional 3~5wt% of mixture, the lanthana of 0.6~0.8wt%, the polyvinyl alcohol of 4~6wt% and The water of 30~40wt%, 5~7h of ball milling obtain ball milling material；Then dry by the ball milling material extrusion molding, 1550~ 4~8 hours are kept the temperature under the conditions of 1650 DEG C, energy-saving mullite zirconium oxide multiple phase refractory material is made in natural cooling.
The zircon tailing: Al2O3Content is 40~60wt%, SiO2Content is 30~50wt%, ZrO2Content >= 7wt%；Partial size≤0.15mm of the zircon tailing.
The alumina: Al2O3Content is 80~85wt%, SiO2Content is 10~15wt%；The partial size of the alumina≤ 0.089mm。
The TiO of the titanium oxide2Content >=95wt%；Partial size≤0.06mm of titanium oxide.
The La of the lanthana2O3Content >=99.9wt%；Partial size≤0.04mm of lanthana.
Due to the adoption of the above technical scheme, the present invention has following good effect compared with prior art:
The section suitable for related fieldss such as refractory material and kiln furnitures is made using zircon tailing as primary raw material by the present invention Energy type mullite zirconium oxide multiple phase refractory material not only realizes solid waste resource recovery utilization, while reducing production cost With it is easy to industrialized production, and in process of production without harmful liquid generate, it is environmental-friendly.
Zircon high-temp in-situ in the zircon tailing that the present invention uses, which decomposes, generates zirconium oxide, is conducive to improve energy conservation The mechanical property of type mullite zirconium oxide multiple phase refractory material.The present invention is using caused by kyanite decomposition in zircon tailing Volume expansion forms stomata in energy-saving mullite zirconium oxide multiple phase refractory material, reduces accumulation of heat, reaches energy-efficient purpose.
The present invention can not only reduce the heat treatment temperature of product, alleviate aquamaine in zircon tailing by introducing titanium oxide Cubic deformation caused by stone decomposes；Simultaneously by introducing lanthana, improve energy-saving mullite zirconium oxide multiple phase refractory material Liquid phase ingredient under high temperature improves its applied at elevated temperature effect.
Energy-saving mullite zirconium oxide multiple phase refractory material prepared by the present invention is through X-ray diffraction analysis: principal crystalline phase is not Carry out stone, secondary crystal phase is monoclinic zirconia.Through detecting: bulk density is 2.4~2.8g/cm3；Apparent porosity be 13.9~ 18.1%；Fracture toughness is 3.1~4.7MPam1/2；Thermal expansion coefficient (RT~1000 DEG C) is 4.81 × 10-6~5.79 × 10-6/℃。
Therefore, the present invention has the characteristics that production cost is low, environmental pollution is small and easy to industrialized production.It is prepared not The thermal expansion coefficient for carrying out stone zirconium oxide multiple phase refractory material is low, energy-saving effect is good and use scope is wide.
Specific embodiment
The present invention will be further described With reference to embodiment, not to the limit of the scope of the present invention System:
To avoid repeating.The technical parameter Unify legislation that first present embodiment to be related to is as follows, in embodiment It will not be described in great detail:
Partial size≤0.15mm of the zircon tailing.
Partial size≤0.089mm of the alumina.
The TiO of the titanium oxide2Content >=95wt%；Partial size≤0.06mm of titanium oxide.
The La of the lanthana2O3Content >=99.9wt%；Partial size≤0.04mm of lanthana.
Embodiment 1
A kind of energy-saving mullite zirconium oxide multiple phase refractory material and preparation method thereof.Preparation method described in the present embodiment It is:
By Al2O3∶SiO2Mass ratio be (2.55~2.65): 1, zircon tailing and alumina are mixed to get mixing Material；Again the titanium oxide of the additional 3~4wt% of mixture, the lanthana of 0.6~0.8wt%, the polyvinyl alcohol of 4~6wt% and The water of 30~33wt%, 5~7h of ball milling obtain ball milling material；Then dry by the ball milling material extrusion molding, 1550~ 7~8 hours are kept the temperature under the conditions of 1580 DEG C, energy-saving mullite zirconium oxide multiple phase refractory material is made in natural cooling.
In the present embodiment:
The zircon tailing: Al2O3Content is 40~43wt%；SiO2Content is 47~50wt%；ZrO2Content is 7.0~7.2wt%.
The alumina: Al2O3Content is 80~81wt%；SiO2Content is 14~15wt%.
Energy-saving mullite zirconium oxide multiple phase refractory material is through X-ray diffraction analysis prepared by the present embodiment: principal crystalline phase For mullite, secondary crystal phase is monoclinic zirconia.Through detecting: bulk density is 2.4~2.5g/cm3；Apparent porosity be 17.3~ 18.1%；Fracture toughness is 3.1~3.5MPam1/2；Thermal expansion coefficient (RT~1000 DEG C) is 4.81~5.21 × 10-6/℃。
Embodiment 2
A kind of energy-saving mullite zirconium oxide multiple phase refractory material and preparation method thereof.Preparation method described in the present embodiment It is:
By Al2O3∶SiO2Mass ratio be (2.65~2.75): 1, zircon tailing and alumina are mixed to get mixing Material；Again the titanium oxide of the additional 4~5wt% of mixture, the lanthana of 0.6~0.8wt%, the polyvinyl alcohol of 4~6wt% and The water of 33~36wt%, 5~7h of ball milling obtain ball milling material；Then dry by the ball milling material extrusion molding, 1580~ 6~7 hours are kept the temperature under the conditions of 1610 DEG C, energy-saving mullite zirconium oxide multiple phase refractory material is made in natural cooling.
In the present embodiment:
The zircon tailing: Al2O3Content is 43~46wt%；SiO2Content is 44~47wt%；ZrO2Content is 7.2~7.4wt%.
The alumina: Al2O3Content is 81~82wt%；SiO2Content is 13~14wt%.
Energy-saving mullite zirconium oxide multiple phase refractory material is through X-ray diffraction analysis prepared by the present embodiment: principal crystalline phase For mullite, secondary crystal phase is monoclinic zirconia.Through detecting: bulk density is 2.5~2.6g/cm3；Apparent porosity be 16.5~ 17.4%；Fracture toughness is 3.5~3.9MPam1/2；Thermal expansion coefficient (RT~1000 DEG C) is 4.95~5.32 × 10-6/℃。
Embodiment 3
A kind of energy-saving mullite zirconium oxide multiple phase refractory material and preparation method thereof.Preparation method described in the present embodiment It is:
By Al2O3∶SiO2Mass ratio be (2.75~2.85): 1, zircon tailing and alumina are mixed to get mixing Material；Again the titanium oxide of the additional 3~4wt% of mixture, the lanthana of 0.6~0.8wt%, the polyvinyl alcohol of 4~6wt% and The water of 36~39wt%, 5~7h of ball milling obtain ball milling material；Then dry by the ball milling material extrusion molding, 1610~ 5~6 hours are kept the temperature under the conditions of 1640 DEG C, energy-saving mullite zirconium oxide multiple phase refractory material is made in natural cooling.
In the present embodiment:
The zircon tailing: Al2O3Content is 46~49wt%；SiO2Content is 41~44wt%；ZrO2Content is 7.4~7.6wt%.
The alumina: Al2O3Content is 82~83wt%；SiO2Content is 12~13wt%.
Energy-saving mullite zirconium oxide multiple phase refractory material is through X-ray diffraction analysis prepared by the present embodiment: principal crystalline phase For mullite, secondary crystal phase is monoclinic zirconia.Through detecting: bulk density is 2.6~2.7g/cm3；Apparent porosity be 15.9~ 16.8%；Fracture toughness is 3.9~4.3MPam1/2；Thermal expansion coefficient (RT~1000 DEG C) is 5.08~5.45 × 10-6/℃。
Embodiment 4
A kind of energy-saving mullite zirconium oxide multiple phase refractory material and preparation method thereof.Preparation method described in the present embodiment It is:
By Al2O3∶SiO2Mass ratio be (2.60~2.70): 1, zircon tailing and alumina are mixed to get mixing Material；Again the titanium oxide of the additional 4~5wt% of mixture, the lanthana of 0.6~0.8wt%, the polyvinyl alcohol of 4~6wt% and The water of 37~40wt%, 5~7h of ball milling obtain ball milling material；Then dry by the ball milling material extrusion molding, 1620~ 4~5 hours are kept the temperature under the conditions of 1650 DEG C, energy-saving mullite zirconium oxide multiple phase refractory material is made in natural cooling.
In the present embodiment:
The zircon tailing: Al2O3Content is 49~52wt%；SiO2Content is 38~41wt%；ZrO2Content is 7.6~7.8wt%.
The Al of the alumina2O3Content is 83~84wt%；SiO2Content is 11~12wt%.
Energy-saving mullite zirconium oxide multiple phase refractory material is through X-ray diffraction analysis prepared by the present embodiment: principal crystalline phase For mullite, secondary crystal phase is monoclinic zirconia.Through detecting: bulk density is 2.7~2.8g/cm3；Apparent porosity be 15.1~ 16.0%；Fracture toughness is 4.3~4.7MPam1/2；Thermal expansion coefficient (RT~1000 DEG C) is 5.32~5.67 × 10-6/℃。
Embodiment 5
A kind of energy-saving mullite zirconium oxide multiple phase refractory material and preparation method thereof.Preparation method described in the present embodiment It is:
By Al2O3∶SiO2Mass ratio be (2.70~2.80): 1, zircon tailing and alumina are mixed to get mixing Material；Again the titanium oxide of the additional 3~4wt% of mixture, the lanthana of 0.6~0.8wt%, the polyvinyl alcohol of 4~6wt% and The water of 31~34wt%, 5~7h of ball milling obtain ball milling material；Then dry by the ball milling material extrusion molding, 1560~ 6.5~7.5 hours are kept the temperature under the conditions of 1590 DEG C, energy-saving mullite zirconium oxide multiple phase refractory material is made in natural cooling.
In the present embodiment:
The zircon tailing: Al2O3Content is 52~55wt%；SiO2Content is 35~38wt%；ZrO2Content is 7.8~8.0wt%.
The alumina: Al2O3Content is 84~85wt%；SiO2Content is 10~11wt%.
Energy-saving mullite zirconium oxide multiple phase refractory material is through X-ray diffraction analysis prepared by the present embodiment: principal crystalline phase For mullite, secondary crystal phase is monoclinic zirconia.Through detecting: bulk density is 2.5~2.6g/cm3；Apparent porosity be 16.9~ 17.7%；Fracture toughness is 3.2~3.6MPam1/2；Thermal expansion coefficient (RT~1000 DEG C) is 5.33~5.69 × 10-6/℃。
Embodiment 6
A kind of energy-saving mullite zirconium oxide multiple phase refractory material and preparation method thereof.Preparation method described in the present embodiment It is:
By Al2O3∶SiO2Mass ratio be (2.55~2.65): 1, zircon tailing and alumina are mixed to get mixing Material；Again the titanium oxide of the additional 4~5wt% of mixture, the lanthana of 0.6~0.8wt%, the polyvinyl alcohol of 4~6wt% and The water of 34~37wt%, 5~7h of ball milling obtain ball milling material；Then dry by the ball milling material extrusion molding, 1590~ 5.5~6.5 hours are kept the temperature under the conditions of 1620 DEG C, energy-saving mullite zirconium oxide multiple phase refractory material is made in natural cooling.
In the present embodiment:
The zircon tailing: Al2O3Content is 55~58wt%；SiO2Content is 32~35wt%；ZrO2Content is 8.0~8.2wt%.
The alumina: Al2O3Content is 80.5~81.5wt%；SiO2Content is 13.5~14.5wt%.
Energy-saving mullite zirconium oxide multiple phase refractory material is through X-ray diffraction analysis, principal crystalline phase prepared by the present embodiment For mullite, secondary crystal phase is monoclinic zirconia.Through detecting: bulk density is 2.6~2.7g/cm3；Apparent porosity be 16.4~ 17.2%；Fracture toughness is 3.6~4.0MPam1/2；Thermal expansion coefficient (RT~1000 DEG C) is 5.43~5.71 × 10-6/℃。
Embodiment 7
A kind of energy-saving mullite zirconium oxide multiple phase refractory material and preparation method thereof.Preparation method described in the present embodiment It is:
By Al2O3∶SiO2Mass ratio be (2.65~2.75): 1, zircon tailing and alumina are mixed to get mixing Material；Again the titanium oxide of the additional 3~4wt% of mixture, the lanthana of 0.6~0.8wt%, the polyvinyl alcohol of 4~6wt% and The water of 37~40wt%, 5~7h of ball milling obtain ball milling material；Then dry by the ball milling material extrusion molding, 1620~ 4.5~5.5 hours are kept the temperature under the conditions of 1650 DEG C, energy-saving mullite zirconium oxide multiple phase refractory material is made in natural cooling.
In the present embodiment:
The zircon tailing: Al2O3Content is 57~60wt%；SiO2Content is 30~33wt%；ZrO2Content is 8.1~8.3wt%.
The alumina: Al2O3Content is 81.5~82.5wt%；SiO2Content is 12.5~13.5wt%.
Energy-saving mullite zirconium oxide multiple phase refractory material is through X-ray diffraction analysis prepared by the present embodiment: principal crystalline phase For mullite, secondary crystal phase is monoclinic zirconia.Through detecting: bulk density is 2.7~2.8g/cm3；Apparent porosity be 14.7~ 15.5%；Fracture toughness is 4.1~4.5MPam1/2；Thermal expansion coefficient (RT~1000 DEG C) is 5.49~5.71 × 10-6/℃。
Embodiment 8
A kind of energy-saving mullite zirconium oxide multiple phase refractory material and preparation method thereof.Preparation method described in the present embodiment It is:
By Al2O3∶SiO2Mass ratio be (2.75~2.85): 1, zircon tailing and alumina are mixed to get mixing Material；Again the titanium oxide of the additional 4~5wt% of mixture, the lanthana of 0.6~0.8wt%, the polyvinyl alcohol of 4~6wt% and The water of 32~35wt%, 5~7h of ball milling obtain ball milling material；Then dry by the ball milling material extrusion molding, 1570~ 7~8 hours are kept the temperature under the conditions of 1600 DEG C, energy-saving mullite zirconium oxide multiple phase refractory material is made in natural cooling.
In the present embodiment:
The zircon tailing: Al2O3Content is 50~53wt%；SiO2Content is 37~40wt%；ZrO2Content is 8.2~8.4wt%.
The alumina: Al2O3Content is 82.5~83.5wt%；SiO2Content is 11.5~12.5wt%.
Energy-saving mullite zirconium oxide multiple phase refractory material is through X-ray diffraction analysis, principal crystalline phase prepared by the present embodiment For mullite, secondary crystal phase is monoclinic zirconia.Through detecting: bulk density is 2.6~2.7g/cm3；Apparent porosity be 16.5~ 17.3%；Fracture toughness is 4.3~4.7MPam1/2；Thermal expansion coefficient (RT~1000 DEG C) is 5.50~5.79 × 10-6/℃。
Embodiment 9
A kind of energy-saving mullite zirconium oxide multiple phase refractory material and preparation method thereof.Preparation method described in the present embodiment It is:
By Al2O3∶SiO2Mass ratio be (2.60~2.70): 1, zircon tailing and alumina are mixed to get mixing Material；Again the titanium oxide of the additional 3~4wt% of mixture, the lanthana of 0.6~0.8wt%, the polyvinyl alcohol of 4~6wt% and The water of 35~38wt%, 5~7h of ball milling obtain ball milling material；Then dry by the ball milling material extrusion molding, 1600~ 6~7 hours are kept the temperature under the conditions of 1630 DEG C, energy-saving mullite zirconium oxide multiple phase refractory material is made in natural cooling.
In the present embodiment:
The zircon tailing: Al2O3Content is 52~55wt%；SiO2Content is 35~38wt%；ZrO2Content is 7.5~7.7wt%.
The alumina: Al2O3Content is 83.5~84.5wt%；SiO2Content is 10.5~11.5wt%.
Energy-saving mullite zirconium oxide multiple phase refractory material is through X-ray diffraction analysis prepared by the present embodiment: principal crystalline phase For mullite, secondary crystal phase is monoclinic zirconia.Through detecting: bulk density is 2.7~2.8g/cm3；Apparent porosity be 14.2~ 15.1%；Fracture toughness is 3.8~4.2MPam1/2；Thermal expansion coefficient (RT~1000 DEG C) is 5.10~5.41 × 10-6/℃。
Embodiment 10
A kind of energy-saving mullite zirconium oxide multiple phase refractory material and preparation method thereof.Preparation method described in the present embodiment It is:
By Al2O3∶SiO2Mass ratio be (2.70~2.80): 1, zircon tailing and alumina are mixed to get mixing Material；Again the titanium oxide of the additional 4~5wt% of mixture, the lanthana of 0.6~0.8wt%, the polyvinyl alcohol of 4~6wt% and The water of 36~39wt%, 5~7h of ball milling obtain ball milling material；Then dry by the ball milling material extrusion molding, 1620~ 5~6 hours are kept the temperature under the conditions of 1650 DEG C, energy-saving mullite zirconium oxide multiple phase refractory material is made in natural cooling.
In the present embodiment:
The zircon tailing: Al2O3Content is 54~57wt%；SiO2Content is 33~36wt%；ZrO2Content is 7.3~7.5wt%.
The alumina: Al2O3Content is 82~83wt%；SiO2Content is 12~13wt%.
Energy-saving mullite zirconium oxide multiple phase refractory material is through X-ray diffraction analysis prepared by the present embodiment: principal crystalline phase For mullite, secondary crystal phase is monoclinic zirconia.Through detecting: bulk density is 2.7~2.8g/cm3；Apparent porosity be 13.9~ 14.7%；Fracture toughness is 3.7~4.1MPam1/2；Thermal expansion coefficient (RT~1000 DEG C) is 5.04~5.33 × 10-6/℃。
Present embodiment has following good effect compared with prior art:
Present embodiment, which is made using zircon tailing as primary raw material, is suitable for the correlations such as refractory material and kiln furnitures The energy-saving mullite zirconium oxide multiple phase refractory material in field not only realizes solid waste resource recovery utilization, reduces simultaneously Production cost and easy to industrialized production, and generated in process of production without harmful liquid, it is environmental-friendly.
The zircon high-temp in-situ in zircon tailing that present embodiment uses, which decomposes, generates zirconium oxide, is conducive to Improve the mechanical property of energy-saving mullite zirconium oxide multiple phase refractory material.Present embodiment utilizes indigo plant in zircon tailing Spar decomposes caused volume expansion, and stomata is formed in energy-saving mullite zirconium oxide multiple phase refractory material, reduces accumulation of heat, Reach energy-efficient purpose.
Present embodiment can not only reduce the heat treatment temperature of product, alleviate zircon tail by introducing titanium oxide Cubic deformation caused by kyanite decomposes in mine；Simultaneously by introducing lanthana, it is resistance to improve energy-saving mullite zirconium oxide complex phase Liquid phase ingredient at a high temperature of fiery material improves its applied at elevated temperature effect.
The energy-saving mullite zirconium oxide multiple phase refractory material of present embodiment preparation is through X-ray diffraction analysis: main Crystal phase is mullite, and secondary crystal phase is monoclinic zirconia.Through detecting: bulk density is 2.4~2.8g/cm3；Apparent porosity is 13.9 ~18.1%；Fracture toughness is 3.1~4.7MPam1/2；Thermal expansion coefficient (RT~1000 DEG C) is 4.81 × 10-6~5.79 × 10-6/℃。
Therefore, present embodiment has the characteristics that production cost is low, environmental pollution is small and easy to industrialized production.Institute The thermal expansion coefficient of the energy-saving mullite zirconium oxide multiple phase refractory material of preparation is low, energy-saving effect is good and use scope is wide.

Claims (6)

1. a kind of preparation method of energy-saving mullite zirconium oxide multiple phase refractory material, which is characterized in that press Al2O3∶SiO2Matter Amount is than being (2.55~2.85): 1, zircon tailing and alumina are mixed to get mixture；Again the additional mixture 3~ The titanium oxide of 5wt%, the lanthana of 0.6~0.8wt%, the polyvinyl alcohol of 4~6wt% and the water of 30~40wt%, ball milling 5~ 7h obtains ball milling material；Then dry by the ball milling material extrusion molding, 4~8 hours are kept the temperature under the conditions of 1550~1650 DEG C, Energy-saving mullite zirconium oxide multiple phase refractory material is made in natural cooling.
2. the preparation method of energy-saving mullite zirconium oxide multiple phase refractory material according to claim 1, it is characterised in that institute State zircon tailing: Al2O3Content is 40~60wt%, SiO2Content is 30~50wt%, ZrO2Content >=7wt%；The zirconium Partial size≤0.15mm of diamond stone tailing.
3. the preparation method of energy-saving mullite zirconium oxide multiple phase refractory material according to claim 1, it is characterised in that institute State alumina: Al2O3Content is 80~85wt%, SiO2Content is 10~15wt%；Partial size≤0.089mm of the alumina.
4. the preparation method of energy-saving mullite zirconium oxide multiple phase refractory material according to claim 1, it is characterised in that institute State the TiO of titanium oxide2Content >=95wt%；Partial size≤0.06mm of titanium oxide.
5. the preparation method of energy-saving mullite zirconium oxide multiple phase refractory material according to claim 1, it is characterised in that institute State the La of lanthana2O3Content >=99.9wt%；Partial size≤0.04mm of lanthana.
6. a kind of energy-saving mullite zirconium oxide multiple phase refractory material, it is characterised in that the energy-saving mullite zirconium oxide complex phase Refractory material be any one of according to claim 1~5 described in energy-saving mullite zirconium oxide multiple phase refractory material preparation Energy-saving mullite zirconium oxide multiple phase refractory material prepared by method.
CN201910472476.8A 2019-05-31 2019-05-31 A kind of energy-saving mullite zirconium oxide multiple phase refractory material and preparation method thereof Pending CN110194673A (en)

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CN112094128A (en) * 2020-09-25 2020-12-18 南阳开元高温新材料有限公司 High-strength mullite light heat-insulating brick
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CN113480300A (en) * 2021-07-13 2021-10-08 武汉科技大学 Mullite composite sagger and preparation method thereof
CN113480300B (en) * 2021-07-13 2023-07-21 武汉科技大学 Mullite composite sagger and preparation method thereof
CN116444279A (en) * 2022-01-06 2023-07-18 辽宁科技大学 Mullite whisker reinforced mullite composite material and preparation method thereof
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