CN105801141A - Macro-hole corundum-spinel brick for bottom of Ausmelt furnace and preparation method of macro-hole corundum-spinel brick - Google Patents
Macro-hole corundum-spinel brick for bottom of Ausmelt furnace and preparation method of macro-hole corundum-spinel brick Download PDFInfo
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- CN105801141A CN105801141A CN201610172114.3A CN201610172114A CN105801141A CN 105801141 A CN105801141 A CN 105801141A CN 201610172114 A CN201610172114 A CN 201610172114A CN 105801141 A CN105801141 A CN 105801141A
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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)
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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
- 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
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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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
- 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
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3817—Carbides
- C04B2235/3839—Refractory metal carbides
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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
- 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
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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
- 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
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
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- Compositions Of Oxide Ceramics (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
Abstract
The invention relates to a macro-hole corundum-spinel brick for the bottom of an Ausmelt furnace and a preparation method of the macro-hole corundum-spinel brick. According to the technical scheme, 60-65 wt% of tabular corundum particles are used as aggregate, and 17-22 wt% of Cr7C3 fine power, 11-16 wt% of magnesite fine powder, 1-3 wt% of gamma-Al2O3 fine powder and 1-4 wt% of zirconium oxide fine powder are used as matrix materials; according to the content of the aggregate and the matrix materials, the matrix materials which are mixed to be uniform are added to the aggregate, then alumina sol which accounts for 10-12 wt% the sum of the matrix materials and the aggregate is further added, the mixture is mixed to be uniform, formation is conducted, maintenance is conducted for 12-24 hours at the temperature of 25-30 DEG C, and drying is conducted; then the mixture is placed in a muffle furnace, the temperature is raised to 1550-1600 DEG C at the rate of 6-7 DEG C/min, the heat is preserved for 1-1.5 hours, cooling is conducted in the furnace, and the macro-hole corundum-spinel brick for the bottom of the Ausmelt furnace is obtained. The preparation method is simple in process, and the obtained macro-hole corundum-spinel brick for the bottom of the Ausmelt furnace has the advantages of being high in strength, high in bending strength and small in heat conductivity coefficient.
Description
Technical field
The invention belongs to Ausmelt furnace furnace bottom technical field of refractory materials.It is specifically related to a kind of Ausmelt furnace furnace bottom grand hole Corundum-spinel brick and preparation method thereof.
Background technology
Ausmelt Smelting technique is technological means efficient and ripe in non-ferrous metal (copper, nickel, lead, zinc, stannum etc.) pyrometallurgical smelting.Ausmelt furnace furnace bottom uses anti-domes, it is broadly divided into working lining, arch springing brick layer, task layer and heat-insulation layer according to smelting function, wherein furnace bottom heat-insulation layer is mainly for the heat exchange of isolation body of heater with external environment, ensures the stable operation of high temperature Ausmelt furnace.Though Ausmelt furnace furnace bottom heat-insulation layer refractory material does not directly contact with the liquid metal smelted and slag and from erosion, but is subjected to the weight of liquid metal, slag and refractory material.Therefore, should realize low heat conductivity energy-saving insulation, reach high intensity load-bearing again pressure, this proposes strict prescription to Ausmelt furnace furnace bottom heat-insulation layer refractory material.
At present, Ausmelt furnace furnace bottom heat-insulation layer refractory material is mainly high-alumina brick and clay brick.
Using high-alumina brick as Ausmelt furnace furnace bottom heat-insulation layer refractory material, its refractoriness is high, compressive resistance is big, meets the load-bearing requirements of Ausmelt furnace furnace bottom heat-insulation layer refractory material, but Al2O3Relief of thermal stress ability is poor, and high-alumina brick heat conductivity is relatively big, reduces the heat-proof quality of Ausmelt furnace furnace bottom heat-insulation layer.
Use clay brick as Ausmelt furnace furnace bottom heat-insulation layer refractory material, though its raw material abundance, cheap, heat preservation and insulation is preferable, but clay brick intensity is low, under the conditions of thermal stress (high temperature) and mechanical stress (load-bearing is pressure), it is easily generated deformation and damages, reduce the service life of Ausmelt furnace furnace bottom heat-insulation layer.
Summary of the invention
It is contemplated that overcome prior art defect, purpose is to provide the preparation method of a kind of technique simple Ausmelt furnace furnace bottom grand hole Corundum-spinel brick, the compressive resistance of the Ausmelt furnace furnace bottom grand hole Corundum-spinel brick prepared by the method is high, rupture strength is big and heat conductivity is little, is particularly suited for Ausmelt furnace furnace bottom heat-insulation layer.
For achieving the above object, the technical solution used in the present invention is: with the plate diamond spar granule of 60 ~ 65wt% as aggregate, with the Cr of 17 ~ 22wt%7C3Fine powder, the magnesite fine powder of 11 ~ 16wt%, the γ-Al of 1 ~ 3wt%2O3The zirconium oxide micropowder of micropowder and 1 ~ 4wt% is substrate material；By described aggregate and the content of described substrate material, first substrate material is mixed, then the substrate material after mixing is added in described aggregate, mix homogeneously；The most additional Alumina gel accounting for described substrate material and described aggregate sum 10 ~ 12wt%, mix homogeneously, vibration moulding, maintenance 12 ~ 24 hours under the conditions of 25 ~ 30 DEG C, it is dried 12 ~ 18 hours under the conditions of 180 ~ 200 DEG C；Finally it is placed in Muffle furnace, is warming up to 1550 ~ 1600 DEG C with the heating rate of 6 ~ 7 DEG C/min, be incubated 1 ~ 1.5 hour, furnace cooling, prepare Ausmelt furnace furnace bottom grand hole Corundum-spinel brick.
The main chemical compositions of described plate diamond spar is: Al2O3Content >=99wt%, Fe2O3Content ＜ 0.5wt%；The granularity of described plate diamond spar granule is 0.1 ~ 6mm.
Described Cr7C3The Cr of fine powder7C3Content >=98wt%, Cr7C3The granularity of micropowder is 10 ~ 20 μm.
The MgCO of described magnesite fine powder3Content >=98wt%, the granularity of magnesite fine powder is 1 ~ 2 μm.
The ZrO of described zirconium oxide micropowder2Content >=99wt%, the granularity of zirconium oxide micropowder is 1 ~ 2 μm.
Described γ-Al2O3The Al of micropowder2O3Content >=99wt%, γ-Al2O3The granularity of micropowder is 1 ~ 2 μm.
The colloid diameter of described Alumina gel is 1 ~ 70nm, Al2O3Content is 20 ~ 30wt%.
Owing to taking technique scheme, the present invention compared with prior art has a following good effect:
1, the present invention is without special Preparation equipment and treatment technology, saves human resources, and technological process is simple.
2, the present invention forms spinel solid solution by sintering process situ, enhances compressive resistance and the rupture strength of Ausmelt furnace furnace bottom grand hole Corundum-spinel brick.
3, the present invention utilizes gas pore-creating produced by the decomposition reaction of raw material components and oxidation reaction, and combine in Alumina gel the skin effect of nano colloidal particles to the pore size miniaturization in material, and then reduce the Ausmelt furnace furnace bottom heat conductivity with grand hole Corundum-spinel brick.
Ausmelt furnace furnace bottom prepared by the present invention is with grand hole Corundum-spinel brick after measured: pore-size distribution is 0.1 ~ 3 μm；Compressive resistance is 85 ~ 90MPa；Rupture strength is 14.0 ~ 15.0MPa；Heat conductivity is 2.20 ~ 2.25W/ (m K).
Therefore, the present invention has the simple feature of technological process；Prepared Ausmelt furnace furnace bottom is with the compressive resistance of grand hole Corundum-spinel brick is high, rupture strength is big and heat conductivity is little.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the invention will be further described, not the restriction to its protection domain.
For avoiding repeating, first by as follows to the raw material in this detailed description of the invention and Alumina gel Unify legislation, embodiment repeats no more:
The main chemical compositions of described plate diamond spar is: Al2O3Content >=99wt%, Fe2O3Content ＜ 0.5wt%；The granularity of described plate diamond spar granule is 0.1 ~ 6mm.
Described Cr7C3The Cr of fine powder7C3Content >=98wt%, Cr7C3The granularity of micropowder is 10 ~ 20 μm.
The MgCO of described magnesite fine powder3Content >=98wt%, the granularity of magnesite fine powder is 1 ~ 2 μm.
The ZrO of described zirconium oxide micropowder2Content >=99wt%, the granularity of zirconium oxide micropowder is 1 ~ 2 μm.
Described γ-Al2O3The Al of micropowder2O3Content >=99wt%, γ-Al2O3The granularity of micropowder is 1 ~ 2 μm.
The colloid diameter of described Alumina gel is 1 ~ 70nm, Al2O3Content is 20 ~ 30wt%.
Embodiment
1
A kind of Ausmelt furnace furnace bottom grand hole Corundum-spinel brick and preparation method thereof.With the plate diamond spar granule of 63 ~ 65wt% as aggregate, with the Cr of 17 ~ 19wt%7C3Fine powder, the magnesite fine powder of 11 ~ 13wt%, the γ-Al of 1 ~ 2wt%2O3The zirconium oxide micropowder of micropowder and 1 ~ 3wt% is substrate material；By described aggregate and the content of described substrate material, first substrate material is mixed, then the substrate material after mixing is added in described aggregate, mix homogeneously；The most additional Alumina gel accounting for described substrate material and described aggregate sum 10 ~ 11wt%, mix homogeneously, vibration moulding, maintenance 12 ~ 24 hours under the conditions of 25 ~ 30 DEG C, it is dried 12 ~ 18 hours under the conditions of 180 ~ 200 DEG C；Finally it is placed in Muffle furnace, is warming up to 1575 ~ 1600 DEG C with the heating rate of 6 ~ 7 DEG C/min, be incubated 1 ~ 1.5 hour, furnace cooling, prepare Ausmelt furnace furnace bottom grand hole Corundum-spinel brick.
Ausmelt furnace furnace bottom prepared by the present embodiment is with grand hole Corundum-spinel brick after measured: pore-size distribution is 0.1 ~ 1.5 μm；Compressive resistance is 88 ~ 90MPa；Rupture strength is 14.6 ~ 15.0MPa；Heat conductivity is 2.23 ~ 2.25W/ (m K).
Embodiment
2
A kind of Ausmelt furnace furnace bottom grand hole Corundum-spinel brick and preparation method thereof.With the plate diamond spar granule of 62 ~ 64wt% as aggregate, with the Cr of 18 ~ 20wt%7C3Fine powder, the magnesite fine powder of 12 ~ 14wt%, the γ-Al of 1 ~ 2wt%2O3The zirconium oxide micropowder of micropowder and 1 ~ 3wt% is substrate material；By described aggregate and the content of described substrate material, first substrate material is mixed, then the substrate material after mixing is added in described aggregate, mix homogeneously；The most additional Alumina gel accounting for described substrate material and described aggregate sum 10 ~ 11wt%, mix homogeneously, vibration moulding, maintenance 12 ~ 24 hours under the conditions of 25 ~ 30 DEG C, it is dried 12 ~ 18 hours under the conditions of 180 ~ 200 DEG C；Finally it is placed in Muffle furnace, is warming up to 1575 ~ 1600 DEG C with the heating rate of 6 ~ 7 DEG C/min, be incubated 1 ~ 1.5 hour, furnace cooling, prepare Ausmelt furnace furnace bottom grand hole Corundum-spinel brick.
Ausmelt furnace furnace bottom prepared by the present embodiment is with grand hole Corundum-spinel brick after measured: pore-size distribution is 1 ~ 2 μm；Compressive resistance is 87 ~ 89MPa；Rupture strength is 14.4 ~ 14.8MPa；Heat conductivity is 2.22 ~ 2.24W/ (m K).
Embodiment
3
A kind of Ausmelt furnace furnace bottom grand hole Corundum-spinel brick and preparation method thereof.With the plate diamond spar granule of 61 ~ 63wt% as aggregate, with the Cr of 19 ~ 21wt%7C3Fine powder, the magnesite fine powder of 13 ~ 15wt%, the γ-Al of 2 ~ 3wt%2O3The zirconium oxide micropowder of micropowder and 2 ~ 4wt% is substrate material；By described aggregate and the content of described substrate material, first substrate material is mixed, then the substrate material after mixing is added in described aggregate, mix homogeneously；The most additional Alumina gel accounting for described substrate material and described aggregate sum 11 ~ 12wt%, mix homogeneously, vibration moulding, maintenance 12 ~ 24 hours under the conditions of 25 ~ 30 DEG C, it is dried 12 ~ 18 hours under the conditions of 180 ~ 200 DEG C；Finally it is placed in Muffle furnace, is warming up to 1550 ~ 1575 DEG C with the heating rate of 6 ~ 7 DEG C/min, be incubated 1 ~ 1.5 hour, furnace cooling, prepare Ausmelt furnace furnace bottom grand hole Corundum-spinel brick.
Ausmelt furnace furnace bottom prepared by the present embodiment is with grand hole Corundum-spinel brick after measured: pore-size distribution is 1.5 ~ 2.5 μm；Compressive resistance is 86 ~ 88MPa；Rupture strength is 14.2 ~ 14.6MPa；Heat conductivity is 2.21 ~ 2.23W/ (m K).
Embodiment
4
A kind of Ausmelt furnace furnace bottom grand hole Corundum-spinel brick and preparation method thereof.With the plate diamond spar granule of 60 ~ 62wt% as aggregate, with the Cr of 20 ~ 22wt%7C3Fine powder, the magnesite fine powder of 14 ~ 16wt%, the γ-Al of 2 ~ 3wt%2O3The zirconium oxide micropowder of micropowder and 2 ~ 4wt% is substrate material；By described aggregate and the content of described substrate material, first substrate material is mixed, then the substrate material after mixing is added in described aggregate, mix homogeneously；The most additional Alumina gel accounting for described substrate material and described aggregate sum 11 ~ 12wt%, mix homogeneously, vibration moulding, maintenance 12 ~ 24 hours under the conditions of 25 ~ 30 DEG C, it is dried 12 ~ 18 hours under the conditions of 180 ~ 200 DEG C；Finally it is placed in Muffle furnace, is warming up to 1550 ~ 1575 DEG C with the heating rate of 6 ~ 7 DEG C/min, be incubated 1 ~ 1.5 hour, furnace cooling, prepare Ausmelt furnace furnace bottom grand hole Corundum-spinel brick.
Ausmelt furnace furnace bottom prepared by the present embodiment is with grand hole Corundum-spinel brick after measured: pore-size distribution is 2 ~ 3 μm；Compressive resistance is 85 ~ 87MPa；Rupture strength is 14.0 ~ 14.4MPa；Heat conductivity is 2.20 ~ 2.22W/ (m K).
This detailed description of the invention compared with prior art has a following good effect:
1, this detailed description of the invention is without special Preparation equipment and treatment technology, saves human resources, and technological process is simple；
2, this detailed description of the invention forms spinel solid solution by sintering process situ, enhances compressive resistance and the rupture strength of Ausmelt furnace furnace bottom grand hole Corundum-spinel brick.
3, this detailed description of the invention utilizes gas pore-creating produced by the decomposition reaction of raw material components and oxidation reaction, and combine in Alumina gel the skin effect of nano colloidal particles to the pore size miniaturization in material, and then reduce the Ausmelt furnace furnace bottom heat conductivity with grand hole Corundum-spinel brick.
Ausmelt furnace furnace bottom prepared by this detailed description of the invention is with grand hole Corundum-spinel brick after measured: pore-size distribution is 0.1 ~ 3 μm；Compressive resistance is 85 ~ 90MPa；Rupture strength is 14.0 ~ 15.0MPa；Heat conductivity is 2.20 ~ 2.25W/ (m K).
Therefore, this detailed description of the invention has the simple feature of technological process；Prepared Ausmelt furnace furnace bottom is with the compressive resistance of grand hole Corundum-spinel brick is high, rupture strength is big and heat conductivity is little.
Claims (8)
1. the Ausmelt furnace furnace bottom preparation method of grand hole Corundum-spinel brick, it is characterised in that with
The plate diamond spar granule of 60～65wt% is aggregate, with the Cr of 17～22wt%7C3The Pedicellus et Pericarpium Trapae of fine powder, 11～16wt%
γ-the Al of magnesium ore deposit fine powder, 1～3wt%2O3Micropowder and 1～4wt% zirconium oxide micropowder be substrate material；By described bone
Material and the content of described substrate material, first mix substrate material, then the substrate material after mixing is added described aggregate
In, mix homogeneously；The most additional Alumina gel accounting for described substrate material and described aggregate sum 10～12wt%, mixed
Close uniformly, vibration moulding, maintenance 12～24 hours under the conditions of 25～30 DEG C, dry under the conditions of 180～200 DEG C
Dry 12～18 hours；Finally it is placed in Muffle furnace, is warming up to 1550～1600 with the heating rate of 6～7 DEG C/min
DEG C, it is incubated 1～1.5 hour, furnace cooling, prepare Ausmelt furnace furnace bottom grand hole Corundum-spinel brick.
The Ausmelt furnace furnace bottom the most according to claim 1 preparation side of grand hole Corundum-spinel brick
Method, it is characterised in that the main chemical compositions of described plate diamond spar is: Al2O3Content >=99wt%, Fe2O3Contain
Amount ＜ 0.5wt%；The granularity of described plate diamond spar granule is 0.1～6mm.
The Ausmelt furnace furnace bottom the most according to claim 1 preparation side of grand hole Corundum-spinel brick
Method, it is characterised in that described Cr7C3The Cr of fine powder7C3Content >=98wt%, Cr7C3The granularity of micropowder is
10～20 μm.
The Ausmelt furnace furnace bottom the most according to claim 1 preparation side of grand hole Corundum-spinel brick
Method, it is characterised in that the MgCO of described magnesite fine powder3Content >=98wt%, the granularity of magnesite fine powder is
1～2 μm.
The Ausmelt furnace furnace bottom the most according to claim 1 preparation side of grand hole Corundum-spinel brick
Method, it is characterised in that the ZrO of described zirconium oxide micropowder2Content >=99wt%, the granularity of zirconium oxide micropowder is
1～2 μm.
The Ausmelt furnace furnace bottom the most according to claim 1 preparation side of grand hole Corundum-spinel brick
Method, it is characterised in that described γ-Al2O3The Al of micropowder2O3Content >=99wt%, γ-Al2O3The granularity of micropowder is
1～2 μm.
The Ausmelt furnace furnace bottom the most according to claim 1 preparation side of grand hole Corundum-spinel brick
Method, it is characterised in that the colloid diameter of described Alumina gel is 1～70nm, Al2O3Content is 20～30wt%.
8. an Ausmelt furnace furnace bottom grand hole Corundum-spinel brick, it is characterised in that described Ausmelt furnace
Furnace bottom is according to the Ausmelt furnace stove according to any one of claim 1～7 with grand hole Corundum-spinel brick
The end grand hole corundum of the Ausmelt furnace furnace bottom prepared by the preparation method of grand hole Corundum-spinel brick-point is brilliant
Stone brick.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610172114.3A CN105801141B (en) | 2016-03-24 | 2016-03-24 | Ausmelt furnace furnace bottom macro hole Corundum-spinel brick and preparation method thereof |
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|---|---|---|---|
| CN201610172114.3A CN105801141B (en) | 2016-03-24 | 2016-03-24 | Ausmelt furnace furnace bottom macro hole Corundum-spinel brick and preparation method thereof |
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| CN105801141B CN105801141B (en) | 2018-06-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107640962A (en) * | 2017-10-24 | 2018-01-30 | 武汉科技大学 | A kind of Ausmelt copper smelters alumina chrome brick and preparation method thereof |
| CN108409308A (en) * | 2018-04-18 | 2018-08-17 | 武汉科技大学 | A kind of gradient composition micropore corundum-spinel material and preparation method thereof |
| CN114292094A (en) * | 2021-12-28 | 2022-04-08 | 郑州荣盛窑炉耐火材料有限公司 | Acid-corrosion-resistant long-life refractory brick for Osmant furnace and preparation method thereof |
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| CN101234905A (en) * | 2008-03-07 | 2008-08-06 | 宜兴市东坡耐火材料有限公司 | Corundum spinel refractory materials for RH lining and manufacturing method thereof |
| CN103979992A (en) * | 2014-06-09 | 2014-08-13 | 武汉科技大学 | Ladle porous brick and preparation method thereof |
| CN105236995A (en) * | 2015-09-01 | 2016-01-13 | 武汉科技大学 | Light-weight corundum-spinel castable and preparation method thereof |
| CN105272320A (en) * | 2015-12-04 | 2016-01-27 | 武汉科技大学 | Unfired Al2O3-Cr7C3 brick for hot metal ladle wall and preparation method thereof |
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2016
- 2016-03-24 CN CN201610172114.3A patent/CN105801141B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101234905A (en) * | 2008-03-07 | 2008-08-06 | 宜兴市东坡耐火材料有限公司 | Corundum spinel refractory materials for RH lining and manufacturing method thereof |
| CN103979992A (en) * | 2014-06-09 | 2014-08-13 | 武汉科技大学 | Ladle porous brick and preparation method thereof |
| CN105236995A (en) * | 2015-09-01 | 2016-01-13 | 武汉科技大学 | Light-weight corundum-spinel castable and preparation method thereof |
| CN105272320A (en) * | 2015-12-04 | 2016-01-27 | 武汉科技大学 | Unfired Al2O3-Cr7C3 brick for hot metal ladle wall and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107640962A (en) * | 2017-10-24 | 2018-01-30 | 武汉科技大学 | A kind of Ausmelt copper smelters alumina chrome brick and preparation method thereof |
| CN108409308A (en) * | 2018-04-18 | 2018-08-17 | 武汉科技大学 | A kind of gradient composition micropore corundum-spinel material and preparation method thereof |
| CN108409308B (en) * | 2018-04-18 | 2021-06-04 | 武汉科技大学 | Gradient composition microporous corundum-spinel material and preparation method thereof |
| CN114292094A (en) * | 2021-12-28 | 2022-04-08 | 郑州荣盛窑炉耐火材料有限公司 | Acid-corrosion-resistant long-life refractory brick for Osmant furnace and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN105801141B (en) | 2018-06-29 |
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