CN108101562A - A kind of potassium steel smelting pouring materialfor steel ladle and preparation method thereof - Google Patents

A kind of potassium steel smelting pouring materialfor steel ladle and preparation method thereof Download PDF

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Publication number
CN108101562A
CN108101562A CN201711487090.1A CN201711487090A CN108101562A CN 108101562 A CN108101562 A CN 108101562A CN 201711487090 A CN201711487090 A CN 201711487090A CN 108101562 A CN108101562 A CN 108101562A
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preparation
pouring materialfor
fine powder
potassium
potassium steel
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CN108101562B (en
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黄奥
王雅杰
顾华志
付绿平
张美杰
邹永顺
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Wuhan University of Science and Engineering WUSE
Wuhan University of Science and Technology WHUST
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Wuhan University of Science and Engineering WUSE
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    • 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
    • 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)
    • 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
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C04B2235/3222—Aluminates other than alumino-silicates, e.g. spinel (MgAl2O4)
    • 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
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/40—Metallic constituents or additives not added as binding phase
    • C04B2235/405—Iron group metals
    • 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
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5212—Organic

Abstract

The present invention relates to a kind of potassium steel smelting pouring materialfor steel ladles and preparation method thereof.Its scheme is：The micropore corundum in granules of 43 ~ 68wt% and the magnesium aluminate spinel particle of 10 ~ 27wt% are aggregate, with the micropore corundum fine powder of 5 ~ 15wt%, the magnesium aluminate spinel micro mist of 2 ~ 4wt%, the boehmite of 4 ~ 8wt%, 2 ~ 4wt% ρ Al2O3The manganese powder of fine powder, the monoclinic phase powdered zirconium oxide of 0.1 ~ 1wt% and 0.1 ~ 1.5wt% is matrix, and the sum of aggregate and matrix are raw material；Using the antifoaming agent of the organic fiber of 0.04 ~ 0.08wt% of raw material, the polycarboxylate water-reducer of 0.1 ~ 0.5wt%, the maleic acid of 0.2 ~ 0.5wt% and 0.01 ~ 0.03wt% as additive.Matrix, additive and water are stirred, obtain premix；Aggregate is sprinkled into mold, then by premix casting mold, is molded, dry, potassium steel smelting pouring materialfor steel ladle is made in the demoulding.Intensity height of the present invention, good thermal shock stability, resistance to erosion, Slag resistance is excellent and can improve potassium steel quality.

Description

A kind of potassium steel smelting pouring materialfor steel ladle and preparation method thereof
Technical field
The invention belongs to pouring materialfor steel ladle technical fields.More particularly to a kind of potassium steel smelting pouring materialfor steel ladle and its system Preparation Method.
Background technology
Just there is scientist to have studied application of the manganese in steel from initial stage in 19th century, and then it is found that the manganese in steel not only The hardness of steel, which can be improved, can also ensure that the ductility and toughness of steel does not decline.Manganese content less than 3% low manganess steel toughness compared with Difference, when manganese content is more than 13% in steel, the intensity of steel improves toughness and also improves.11%~14% manganese steel is mainly applied in early days In military fields such as steel helmet, armoured tank, armor-piercing bullet bullets, nowadays potassium steel be widely applied to metallurgy, mine, building materials, In the strong abrasion environment of the high load capacities such as automobile, agricultural machinery, military project.In addition, manganese be steel-making when manganese-ferro deoxidation and remain in steel , the quality of steel can be improved, manganese and sulphur form MnS, so as to alleviate the illeffects of sulphur, reduce the brittleness of steel, improves The hot-working character of steel.
Refractory material plays an important role in steel smelting procedure, and there are refractory material in the different smelting stages different want It asks, for example, EAF smelting processes furnace body, mainly using magnesia carbon brick, bell mainly uses corundum castable containing manganese.AOD, VOD smelt Process mainly uses fired magnesia-calcium brick, burns till dolomite brick and magnesia calcium zirconium brick, also has directly to use and does not burn magnesite dolomite brick, this A little refractory materials contact directly during steel smelting with molten steel, and ionized impurity element present in molten steel can be anti-with refractory material Should, steel inclusion is generated, is contained for example, magnesia carbon refractory may increase spinel inclusion and carbon in aluminum killed steel Amount.
Potassium steel smelts mainly magnesia carbon brick and the aluminium-magnesia carbon brick that ladle uses, in ladle smelting process, fire resisting containing magnesium Material volatilizes Mg steams at high temperature, and aluminum-spinel field trash is generated with the reaction of impurity elements Al present in molten steel, Influence molten steel cleanness；Carbon containing refractory can increase carbon content in molten steel, reduce the toughness of steel, influence the quality of steel.It removes Outside this, refractory material is easy to peel off damage under the erosion effect of molten steel, reduces the service life of refractory material, also affects The cleanliness factor of molten steel.Current ladle lining deteriorates comparatively fast, and to the control of element in steel in potassium steel smelting process It is unfavorable to make, and constrains potassium steel production.
The content of the invention
It is contemplated that overcome prior art defect, it is therefore an objective to provide a kind of intensity height, good thermal shock stability, resistance to erosion, Slag resistance is excellent and improves potassium steel smelting pouring materialfor steel ladle of potassium steel quality and preparation method thereof.
In order to achieve the above object, the technical solution adopted by the present invention is：With the micropore corundum in granules of 43~68wt% and 10 The magnesium aluminate spinel particle of~27wt% is aggregate, with the micropore corundum fine powder of 5~15wt%, the magnesium aluminate spinel of 2~4wt% Micro mist, the boehmite of 4~8wt%, the ρ-Al of 2~4wt%2O3Fine powder, 0.1~1wt% monoclinic phase powdered zirconium oxide and The manganese powder of 0.1~1.5wt% is matrix, and the sum of the aggregate and the matrix are raw material.With account for the raw material 0.04~ The organic fiber of 0.08wt%,
The defoaming of the polycarboxylate water-reducer of 0.1~0.5wt%, the maleic acid of 0.2~0.5wt% and 0.01~0.03wt% Agent is additive.
First the matrix and the additive are premixed, the water of the additional 4~10wt% of raw material, stirred 2~4 minutes, Up to premix；The aggregate is equably sprinkled into mold, then the premix is poured into a mould in the mold by installation mold, is shaken Dynamic shaping, when heat preservation 12~48 is small under the conditions of 110~200 DEG C, potassium steel smelting pouring materialfor steel ladle is made in the demoulding.
The Al of the micropore corundum in granules2O3Content >=99.5wt%；The micropore corundum in granules：Apparent porosity for≤ 5.22%, closed porosity >=7.5%, median pore size is≤0.2 μm, and the grain size of micropore corundum in granules is 20~0.088mm.
The Al of the magnesium aluminate spinel particle2O370~75wt% of content；The grain size of magnesium aluminate spinel particle is 8~1mm.
The ZrO of the monoclinic phase powdered zirconium oxide2Content>95wt%；The grain size of monoclinic phase powdered zirconium oxide is< 0.088mm。
The Al of the micropore corundum fine powder2O3Content >=99.5wt%；The micropore corundum fine powder：Apparent porosity for≤ 5.22%, closed porosity >=7.5%, median pore size is≤0.2 μm, the grain size of the micropore corundum fine powder<0.088mm.
The Al of the magnesium aluminate spinel micro mist2O3Content>88wt%；The grain size D of magnesium aluminate spinel micro mist50For 2~6 μm.
The peptization index of the boehmite>97wt%；The grain size D of boehmite50For 0.2~5 μm.
ρ-the Al2O3The Al of fine powder2O3Content >=80wt%；ρ-the Al2O3The grain size D of fine powder50For 1~5 μm.
Mn contents in the manganese powder>99.7wt%, the grain size of manganese powder is 0.025~0.15mm.
The antifoaming agent is silicon ether Copolymer, organosiloxane, polyethers, silicone oil are compound, amine-containing, imines and amides In one kind.
Due to the adoption of the above technical scheme, the present invention has following good effect compared with prior art：
(1) Mn that the present invention uses is easily oxidized to be followed successively by from inside to outside centered on Mn in temperature-rise period MnO2、Mn3O4It, can be with the Al in refractory material under high temperature with the functionally gradient material (FGM) of MnO2O3﹒ MgO reaction generation spinel solid solutions, The toughness of potassium steel smelting pouring materialfor steel ladle is not only improved, and mitigates molten steel and potassium steel smelting is oozed with pouring materialfor steel ladle It corrodes thoroughly.
(2) the monocline phase zircite that the present invention uses is undergone phase transition in heating, the formation with the solid solution containing galaxite The phase-change energy of zirconium oxide when generating in-situ stress, the formation of the micro- closed pore matrix of superplasticity promotion of nano aluminium oxide, and cooling down The contraction of material is offset, and then is engaged with prefabricated micropore corundum, it is comprehensive to improve the anti-of potassium steel smelting pouring materialfor steel ladle Thermal shock performance and Slag resistance performance.
(3) Mn that the present invention uses is in addition to aoxidizing and forming solid solution, moreover it is possible to directly or in the form of manganese compound Solution pervasion increases the Mn contents in smelted potassium steel, improves the performance of potassium steel to inside molten steel.
Potassium steel smelting pouring materialfor steel ladle prepared by the present invention is after testing：Bulk density is 2.95~3.20g/cm3；It is aobvious The porosity is 10.1~12.8%；Strength at normal temperature (110 DEG C for 24 hours) is 4~9MPa, and strength at normal temperature (1600 DEG C of 3h) is 14~22MPa；High temperature break resistant intensity is 14~20MPa；Cold crushing strength (110 DEG C for 24 hours) is 35~56MPa, and room temperature is pressure-resistant Intensity (1600 DEG C of 3h) is 65~85MPa；Linear change rate (1600 DEG C of 3h) is 0.5~2.0%；Under the conditions of 1100 DEG C of water coolings, Thermal shock number >=10 time.
Therefore, the present invention has intensity height, good thermal shock stability, resistance to erosion, Slag resistance is excellent and can improve height The characteristics of manganese steel quality.
Specific embodiment
The present invention will be further described With reference to embodiment, not limiting of its scope.
It is now that the raw material involved by present embodiment and additive Unify legislation is as follows to avoid repeating, embodiment In repeat no more：
The Al of the micropore corundum in granules2O3Content >=99.5wt%；The micropore corundum in granules：Apparent porosity for≤ 5.22%, closed porosity >=7.5%, median pore size is≤0.2 μm, and the grain size of micropore corundum in granules is 20~0.088mm.
The Al of the magnesium aluminate spinel particle2O370~75wt% of content；The grain size of magnesium aluminate spinel particle is 8~1mm.
The ZrO of the monoclinic phase powdered zirconium oxide2Content>95wt%；The grain size of monoclinic phase powdered zirconium oxide is< 0.088mm。
The Al of the micropore corundum fine powder2O3Content >=99.5wt%；The micropore corundum fine powder：Apparent porosity for≤ 5.22%, closed porosity >=7.5%, median pore size is≤0.2 μm, the grain size of the micropore corundum fine powder<0.088mm.
The Al of the magnesium aluminate spinel micro mist2O3Content>88wt%；The grain size D of magnesium aluminate spinel micro mist50For 2~6 μm.
The peptization index of the boehmite>97wt%；The grain size D of boehmite50For 0.2~5 μm.
ρ-the Al2O3The Al of fine powder2O3Content >=80wt%；ρ-the Al2O3The grain size D of fine powder50For 1~5 μm.
Mn contents in the manganese powder>99.7wt%, the grain size of manganese powder is 0.025~0.15mm.
Embodiment 1
A kind of potassium steel smelting pouring materialfor steel ladle and preparation method thereof.
Using the micropore corundum in granules of 43~53wt% and 19~27 magnesium aluminate spinel particle as aggregate, with 11~15wt% Micropore corundum fine powder, the magnesium aluminate spinel micro mist of 2~4wt%, the boehmite of 4~5wt%, the ρ-Al of 2~4wt%2O3 The manganese powder of fine powder, the monoclinic phase powdered zirconium oxide of 0.1~1wt% and 0.7~1.5wt% is matrix, the aggregate and the base The sum of matter is raw material；With account for the polycarboxylate water-reducer of the organic fiber of the 0.04~0.08wt% of raw material, 0.1~0.5wt%, The maleic acid of 0.2~0.5wt% and the antifoaming agent of 0.01~0.03wt% are additive.
First the matrix and the additive are premixed, the water of the additional 4~7wt% of raw material, stirring 2~4 minutes, i.e., Obtain premix.The aggregate is equably sprinkled into mold, then the premix is poured into a mould in the mold, vibration by installation mold Shaping, when heat preservation 36~48 is small under the conditions of 110~170 DEG C, potassium steel smelting pouring materialfor steel ladle is made in the demoulding.
The antifoaming agent is silicon ether Copolymer.
Embodiment 2
A kind of potassium steel smelting pouring materialfor steel ladle and preparation method thereof.
Using the magnesium aluminate spinel particle of the micropore corundum in granules of 48~58wt% and 16~24wt% as aggregate, with 9~ The micropore corundum fine powder of 13wt%, the magnesium aluminate spinel micro mist of 2~4wt%, the boehmite of 5~6wt%, 2~4wt% ρ-Al2O3The manganese powder of fine powder, the monoclinic phase powdered zirconium oxide of 0.1~1wt% and 0.5~1.3wt% be matrix, the aggregate and The sum of described matrix is raw material；To account for the polycarboxylic acids of the organic fiber of the 0.04~0.08wt% of raw material, 0.1~0.5wt% The antifoaming agent of water-reducing agent, the maleic acid of 0.2~0.5wt% and 0.01~0.03wt% is additive.
First the matrix and the additive are premixed, the water of the additional 5~8wt% of raw material, stirring 2~4 minutes, i.e., Obtain premix.The aggregate is equably sprinkled into mold, then the premix is poured into a mould in the mold, vibration by installation mold Shaping, when heat preservation 28~40 is small under the conditions of 120~180 DEG C, potassium steel smelting pouring materialfor steel ladle is made in the demoulding.
The antifoaming agent is organosiloxane.
Embodiment 3
A kind of potassium steel smelting pouring materialfor steel ladle and preparation method thereof.
Using the magnesium aluminate spinel particle of the micropore corundum in granules of 53~63wt% and 13~21wt% as aggregate, with 7~ The micropore corundum fine powder of 11wt%, the magnesium aluminate spinel micro mist of 2~4wt%, the boehmite of 6~7wt%, 2~4wt% ρ-Al2O3The manganese powder of fine powder, the monoclinic phase powdered zirconium oxide of 0.1~1wt% and 0.3~1.1wt% be matrix, the aggregate and The sum of described matrix is raw material；To account for the polycarboxylic acids of the organic fiber of the 0.04~0.08wt% of raw material, 0.1~0.5wt% The antifoaming agent of water-reducing agent, the maleic acid of 0.2~0.5wt% and 0.01~0.03wt% is additive.
First the matrix and the additive are premixed, the water of the additional 6~9wt% of raw material, stirring 2~4 minutes, i.e., Obtain premix.The aggregate is equably sprinkled into mold, then the premix is poured into a mould in the mold, vibration by installation mold Shaping, when heat preservation 20~32 is small under the conditions of 130~190 DEG C, potassium steel smelting pouring materialfor steel ladle is made in the demoulding.
The antifoaming agent is amides.
Embodiment 4
A kind of potassium steel smelting pouring materialfor steel ladle and preparation method thereof.
Using the magnesium aluminate spinel particle of the micropore corundum in granules of 58~68wt% and 10~18wt% as aggregate, with 5~ The micropore corundum fine powder of 9wt%, the magnesium aluminate spinel micro mist of 2~4wt%, the boehmite of 7~8wt%, 2~4wt% ρ-Al2O3The manganese powder of fine powder, the monoclinic phase powdered zirconium oxide of 0.1~1wt% and 0.1~0.9wt% be matrix, the aggregate and The sum of described matrix is raw material；To account for the polycarboxylic acids of the organic fiber of the 0.04~0.08wt% of raw material, 0.1~0.5wt% The antifoaming agent of water-reducing agent, the maleic acid of 0.2~0.5wt% and 0.01~0.03wt% is additive.
First the matrix and the additive are premixed, the water of the additional 7~10wt% of raw material, stirred 2~4 minutes, Up to premix.The aggregate is equably sprinkled into mold, then the premix is poured into a mould in the mold by installation mold, is shaken Dynamic shaping, when heat preservation 12~24 is small under the conditions of 140~200 DEG C, potassium steel smelting pouring materialfor steel ladle is made in the demoulding.
The antifoaming agent is polyethers, silicone oil is compound, one kind in amine-containing and imines.
Present embodiment has following good effect compared with prior art：
(1) Mn that present embodiment uses be easily oxidized in temperature-rise period centered on Mn from inside to outside according to Secondary is MnO2、Mn3O4It, can be with the Al in refractory material under high temperature with the functionally gradient material (FGM) of MnO2O3﹒ MgO reaction generation spinelle solid solutions Body not only improves the toughness of potassium steel smelting pouring materialfor steel ladle, and mitigates molten steel to potassium steel smelting pouring materialfor steel ladle Infiltration corrode.
(2) the monocline phase zircite that present embodiment uses is undergone phase transition in heating, with being dissolved containing galaxite The formation of body generates in-situ stress, and the superplasticity of nano aluminium oxide promotes the formation of micro- closed pore matrix, and zirconium oxide during cooling Phase-change energy offset the contraction of material, and then be engaged with prefabricated micropore corundum, it is comprehensive to improve potassium steel smelting and poured with ladle The thermal shock resistance of material feeding and Slag resistance performance.
(3) Mn that present embodiment uses is in addition to aoxidizing and forming solid solution, moreover it is possible to directly or with manganese Solvate form solution pervasion increases the Mn contents in smelted potassium steel, improves the performance of potassium steel to inside molten steel.
Present embodiment prepare potassium steel smelting with pouring materialfor steel ladle after testing：Bulk density for 2.95~ 3.20g/cm3；Apparent porosity is 10.1~12.8%；Strength at normal temperature (110 DEG C for 24 hours) be 4~9MPa, strength at normal temperature (1600 DEG C of 3h) is 14~22MPa；High temperature break resistant intensity is 14~20MPa；Cold crushing strength (110 DEG C for 24 hours) for 35~ 56MPa, cold crushing strength (1600 DEG C of 3h) are 65~85MPa；Linear change rate (1600 DEG C of 3h) is 0.5~2.0%；1100 Under the conditions of DEG C water cooling, thermal shock number >=10 time.
Therefore, present embodiment have intensity height, good thermal shock stability, resistance to erosion, Slag resistance excellent and The characteristics of potassium steel quality can be improved.

Claims (11)

1. a kind of preparation method of potassium steel smelting pouring materialfor steel ladle, it is characterised in that with the micropore corundum of 43~68wt% The magnesium aluminate spinel particle of grain and 10~27wt% are aggregate, with the micropore corundum fine powder of 5~15wt%, the magnalium of 2~4wt% Spinel micropowder, the boehmite of 4~8wt%, the ρ-Al of 2~4wt%2O3The monocline phase zircite of fine powder, 0.1~1wt% The manganese powder of fine powder and 0.1~1.5wt% are matrix, and the sum of the aggregate and the matrix are raw material；To account for the raw material 0.04 The organic fiber of~0.08wt%, the polycarboxylate water-reducer of 0.1~0.5wt%, the maleic acid of 0.2~0.5wt% and 0.01~ The antifoaming agent of 0.03wt% is additive；First the matrix and the additive are premixed, the additional 4~10wt%'s of raw material Water stirs 2~4 minutes to get premix；The aggregate is equably sprinkled into mold, then the premix is poured by installation mold It notes in the mold, vibration moulding, when heat preservation 12~48 is small under the conditions of 110~200 DEG C, the demoulding is made potassium steel and smelts use Pouring materialfor steel ladle.
2. the preparation method of potassium steel smelting pouring materialfor steel ladle according to claim 1, it is characterised in that the micropore The Al of corundum in granules2O3Content >=99.5wt%；The micropore corundum in granules：Apparent porosity is≤5.22%, closed porosity >= 7.5%, median pore size is≤0.2 μm, and the grain size of micropore corundum in granules is 20~0.088mm.
3. the preparation method of potassium steel smelting pouring materialfor steel ladle according to claim 1, it is characterised in that the magnalium The Al of spinel particle2O370~75wt% of content；The grain size of magnesium aluminate spinel particle is 8~1mm.
4. the preparation method of the potassium steel smelting pouring materialfor steel ladle according to claim l, it is characterised in that the monocline The ZrO of phase zircite fine powder2Content>95wt%；The grain size of monoclinic phase powdered zirconium oxide is<0.088mm.
5. the preparation method of the potassium steel smelting pouring materialfor steel ladle according to claim l, it is characterised in that the micropore The Al of corundum fine powder2O3Content >=99.5wt%；The micropore corundum fine powder：Apparent porosity is≤5.22%, closed porosity >= 7.5%, median pore size is≤0.2 μm, the grain size of the micropore corundum fine powder<0.088mm.
6. the preparation method of the potassium steel smelting pouring materialfor steel ladle according to claim l, it is characterised in that the magnalium The Al of Spinel micropowder2O3Content>88wt%；The grain size D of magnesium aluminate spinel micro mist50For 2~6 μm.
7. the preparation method of potassium steel smelting pouring materialfor steel ladle according to claim 1, it is characterised in that the plan is thin The peptization index of diaspore>97wt%；The grain size D of boehmite50For 0.2~5 μm.
8. the preparation method of potassium steel smelting pouring materialfor steel ladle according to claim 1, it is characterised in that the ρ- Al2O3The Al of fine powder2O3Content >=80wt%；ρ-the Al2O3The grain size D of fine powder50For 1~5 μm.
9. the preparation method of potassium steel smelting pouring materialfor steel ladle according to claim 1, it is characterised in that the manganese powder Middle Mn contents>99.7wt%, the grain size of manganese powder is 0.025~0.15mm.
10. the preparation method of potassium steel smelting pouring materialfor steel ladle according to claim 1, it is characterised in that described disappears Infusion is silicon ether Copolymer, organosiloxane, polyethers, silicone oil are compound, one kind in amine-containing, imines and amides.
11. a kind of potassium steel smelting pouring materialfor steel ladle, it is characterised in that the potassium steel smelting is basis with pouring materialfor steel ladle Potassium steel smelting prepared by the preparation method of potassium steel smelting pouring materialfor steel ladle any one of claim 1~10 Refining pouring materialfor steel ladle.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113683427A (en) * 2021-08-25 2021-11-23 中钢集团洛阳耐火材料研究院有限公司 Preparation method of high-aggregate-matrix-ratio high-performance refractory castable

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5678461A (en) * 1979-11-29 1981-06-27 Sumitomo Cement Co Manufacture of highly refractory alumina cement
CN103044044A (en) * 2013-01-17 2013-04-17 武汉科技大学 Lightweight aluminum oxide castable and preparation method thereof
CN103922774A (en) * 2014-03-07 2014-07-16 中南大学 Micron-sized cermet precursor granules with micro/nano structure and preparation method thereof
CN103979991A (en) * 2014-06-03 2014-08-13 武汉科技大学 Gas permeable brick for steel ladle for stainless steel smelting and preparation method thereof
CN104402464A (en) * 2014-10-28 2015-03-11 宁夏天纵泓光余热发电技术有限公司 Fireproof castable made of magnesium slag and manganese slag
CN107285788A (en) * 2017-08-02 2017-10-24 嵊州市万智网络科技有限公司 A kind of acid/alkali-corrosion-resistant castable

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5678461A (en) * 1979-11-29 1981-06-27 Sumitomo Cement Co Manufacture of highly refractory alumina cement
CN103044044A (en) * 2013-01-17 2013-04-17 武汉科技大学 Lightweight aluminum oxide castable and preparation method thereof
CN103922774A (en) * 2014-03-07 2014-07-16 中南大学 Micron-sized cermet precursor granules with micro/nano structure and preparation method thereof
CN103979991A (en) * 2014-06-03 2014-08-13 武汉科技大学 Gas permeable brick for steel ladle for stainless steel smelting and preparation method thereof
CN104402464A (en) * 2014-10-28 2015-03-11 宁夏天纵泓光余热发电技术有限公司 Fireproof castable made of magnesium slag and manganese slag
CN107285788A (en) * 2017-08-02 2017-10-24 嵊州市万智网络科技有限公司 A kind of acid/alkali-corrosion-resistant castable

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
时伟娜等: "氧化锆的引入形式对刚玉-尖晶石浇注料性能的影响", 《轻金属》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113683427A (en) * 2021-08-25 2021-11-23 中钢集团洛阳耐火材料研究院有限公司 Preparation method of high-aggregate-matrix-ratio high-performance refractory castable

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