CN111099884A - Ceramic-bonded anti-scouring material with metal zirconium added into submerged nozzle - Google Patents
Ceramic-bonded anti-scouring material with metal zirconium added into submerged nozzle Download PDFInfo
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- CN111099884A CN111099884A CN201911333278.XA CN201911333278A CN111099884A CN 111099884 A CN111099884 A CN 111099884A CN 201911333278 A CN201911333278 A CN 201911333278A CN 111099884 A CN111099884 A CN 111099884A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
- B22D41/52—Manufacturing or repairing thereof
- B22D41/54—Manufacturing or repairing thereof characterised by the materials used therefor
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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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
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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
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/402—Aluminium
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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
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/428—Silicon
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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
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/447—Phosphates or phosphites, e.g. orthophosphate, hypophosphite
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a ceramic-bonded anti-scouring material with a submerged nozzle added with metal zirconium, which comprises, by mass, 40-60% of corundum particles, 15-35% of corundum fine powder, 0-5% of alumina micropowder, 3-8% of metal powder additive, 5-10% of binder and 2-4% of metal zirconium. In the ceramic bonding agent added with the metal zirconium, the metal zirconium can generate a zirconium oxide material at low temperature (above 400 ℃) under the condition of oxygen to form ceramic bonding, the chemical stability of the ceramic bonding agent is superior to that of a carbon-containing material only combined by resin, and in the use environment of high manganese and high oxygen, the ceramic bonding of the zirconium oxide is formed by oxidizing the metal zirconium at low temperature, so that the oxidation-resistant and anti-scouring effects are obvious, and the ceramic bonding agent has better performance.
Description
Technical Field
The invention relates to the technical field of refractory materials for continuous casting, in particular to a ceramic-bonded anti-scouring material with a submerged nozzle added with metal zirconium.
Background
With the continuous development of the steel industry, the aluminum-carbon refractory material for continuous casting is a novel refractory material which has emerged in the last century. The method is gradually popularized from the beginning of application to ladle bricks to tundish continuous casting. Provides technical support for the development of continuous casting technology.
The submerged entry nozzle material design in the refractory material for continuous casting is mainly based on resin-bonded Al2O3-C material. Corundum, alumina, graphite and other materials are combined through resin, and necessary additives such as SiC, Si, Al and the like are added, so that the oxidation resistance of the material is improved, and the product is ensured to meet the requirements of continuous casting of molten steel.
In recent years, the molten steel smelting rhythm is accelerated, and the requirements on the refractory materials for continuous casting are higher and higher. In the case of a submerged nozzle, particularly in the aspect of an inner wall layer material which is directly contacted with molten steel, when the conventional resin Al2O3-C material meets the molten steel with higher oxygen content, the flow rate of the molten steel is increased, the carbon oxidation of an aluminum-carbon material is accompanied, and the long-life use requirement of continuous casting production cannot be met by the primary aluminum-carbon material.
Disclosure of Invention
The invention aims to provide a ceramic combined anti-scouring material for adding metal zirconium into a submerged nozzle.
The innovation point of the invention is that the zirconium metal in the ceramic bond added with the zirconium metal can generate zirconium oxide material to form ceramic bond at low temperature (above 400 ℃) under the condition of oxygen, the chemical stability of the ceramic bond is superior to that of carbon-containing material only combined by resin, and in the use environment of high manganese and high oxygen, the ceramic bond formed by the zirconium oxide has obvious anti-oxidation and anti-scouring effects and better performance.
In order to achieve the purpose, the technical scheme of the invention is as follows: the ceramic-bonded anti-scouring material with the metal zirconium added to the submerged nozzle is characterized by comprising, by mass, 40-60% of corundum particles, 15-35% of corundum fine powder, 0-5% of alumina micro powder, 3-8% of metal powder additive, 5-10% of bonding agent and 2-4% of metal zirconium.
Furthermore, the corundum particles are composed of one or more of fused compact corundum, fused white corundum and sintered plate-shaped corundum.
Furthermore, Al2O3 in the corundum particles is more than or equal to 98.0 wt%.
Furthermore, the corundum particles comprise 2-3 parts of corundum particles with the granularity grade of 0.1-0.2 mm, 4-7 parts of corundum particles with the granularity grade of 0.2-0.5 mm and 4-5 parts of corundum particles with the granularity grade of 0.5-0.8 mm in parts by weight.
Further, the corundum fine powder comprises 1-3 parts of corundum fine powder with the granularity grade of 0-0.044 mm and 2-4 parts of corundum fine powder with the granularity grade of 0.044-0.074 mm in parts by weight.
Further, the particle size of the alumina micropowder is less than 10 μm.
Further, the metal powder additive is aluminum powder, silicon powder or aluminum-silicon alloy powder.
Further, the binder is an organic binder or an inorganic binder, the organic binder is resin or asphalt, and the inorganic binder is water glass or aluminum phosphate.
The invention has the beneficial effects that: in the ceramic bond added with the metal zirconium, the metal zirconium can generate a zirconium oxide material at low temperature (above 400 ℃) under the condition of oxygen to form ceramic bond, the chemical stability of the ceramic bond is superior to that of a carbon-containing material only combined by resin, and in the use environment with high manganese and high oxygen, the metal zirconium forms the zirconium oxide under the condition of low temperature to form ceramic bond, so that the oxidation-resistant and anti-scouring effects are obvious, and the ceramic bond has better performance.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below.
Example 1: a ceramic combined anti-scouring material with a submerged nozzle added with metal zirconium comprises the following raw materials, by mass, 40% of corundum particles, 35% of corundum fine powder, 5% of alumina micropowder, 8% of metal powder additive, 10% of binding agent and 2% of metal zirconium; the corundum particles are fused dense corundum, and Al2O3 in the corundum particles is more than or equal to 98.0 wt%. The corundum particles comprise 2 parts of corundum particles with the granularity grade of 0.1-0.2 mm, 4 parts of corundum particles with the granularity grade of 0.2-0.5 mm and 4 parts of corundum particles with the granularity grade of 0.5-0.8 mm in parts by weight; the corundum fine powder comprises 1 part of corundum fine powder with the granularity grade of 0-0.044 mm and 2 parts of corundum fine powder with the granularity grade of 0.044-0.074 mm in parts by weight; the granularity of the alumina micro powder is less than 10 mu m; the metal powder additive is aluminum powder; the binder is an organic binder, and the organic binder is resin.
Example 2: a ceramic combined anti-scouring material with a submerged nozzle added with metal zirconium comprises the following raw materials, by mass, 60% of corundum particles, 15% of corundum fine powder, 5% of alumina micropowder, 7% of metal powder additive, 9% of binding agent and 4% of metal zirconium; the corundum particles are electro-fused white corundum, and Al2O3 in the corundum particles is more than or equal to 99.0 wt%. The corundum particles comprise 2.5 parts of corundum particles with the granularity grade of 0.1-0.2 mm, 5 parts of corundum particles with the granularity grade of 0.2-0.5 mm and 4.5 parts of corundum particles with the granularity grade of 0.5-0.8 mm in parts by weight; the corundum fine powder comprises 2 parts of corundum fine powder with the granularity grade of 0-0.044 mm and 3 parts of corundum fine powder with the granularity grade of 0.044-0.074 mm in parts by weight; the particle size of the alumina micropowder is <10 μm. The metal powder additive is silicon powder; the binder is an organic binder, and the organic binder is asphalt.
Example 3: a ceramic combined anti-scouring material with a submerged nozzle added with metal zirconium comprises the following raw materials, by mass, 60% of corundum particles, 27% of corundum fine powder, 3% of metal powder additive, 7% of binding agent and 3% of metal zirconium; the corundum particles are sintered plate-shaped corundum, and the corundum particles are Al2O 3. The corundum particles comprise 3 parts of corundum particles with the granularity grade of 0.1-0.2 mm, 7 parts of corundum particles with the granularity grade of 0.2-0.5 mm and 5 parts of corundum particles with the granularity grade of 0.5-0.8 mm in parts by weight; the corundum fine powder comprises 3 parts of corundum fine powder with the granularity grade of 0-0.044 mm and 4 parts of corundum fine powder with the granularity grade of 0.044-0.074 mm in parts by weight; the particle size of the alumina micro powder is less than 10 μm; the metal powder additive is aluminum-silicon alloy powder; the binding agent is an inorganic binding agent, and the inorganic binding agent is water glass.
Example 4: a ceramic combined anti-scouring material with a submerged nozzle added with metal zirconium comprises the following raw materials, by mass, 50% of corundum particles, 35% of corundum fine powder, 3% of alumina micropowder, 5% of metal powder additive, 5% of binding agent and 2% of metal zirconium; the corundum particles are composed of one or more of fused compact corundum, fused white corundum and sintered plate-shaped corundum, and Al2O3 in the corundum particles is more than or equal to 98.0 wt%; the corundum particles comprise 2.8 parts of corundum particles with the granularity grade of 0.1-0.2 mm, 6 parts of corundum particles with the granularity grade of 0.2-0.5 mm and 4.6 parts of corundum particles with the granularity grade of 0.5-0.8 mm in parts by weight; the corundum fine powder comprises 2.5 parts of corundum fine powder with the granularity grade of 0-0.044 mm and 2.5 parts of corundum fine powder with the granularity grade of 0.044-0.074 mm in parts by weight. The particle size of the alumina micropowder is <10 μm. The metal powder additive is aluminum-silicon alloy powder; the binding agent is an inorganic binding agent, and the inorganic binding agent is aluminum phosphate.
The described embodiments are only some embodiments of the invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (8)
1. The ceramic-bonded anti-scouring material with the metal zirconium added to the submerged nozzle is characterized by comprising, by mass, 40-60% of corundum particles, 15-35% of corundum fine powder, 0-5% of alumina micro powder, 3-8% of metal powder additive, 5-10% of bonding agent and 2-4% of metal zirconium.
2. The submerged nozzle zirconium-added ceramic-bonded anti-erosion material of claim 1, wherein the corundum particles are composed of one or more of fused dense corundum, fused white corundum and sintered plate corundum.
3. The ceramic-bonded erosion resistant material with metallic zirconium added to a submerged nozzle of claim 1, wherein Al2O3 in the corundum particles is greater than or equal to 98.0 wt%.
4. The ceramic-bonded erosion resistant material with metal zirconium added to a submerged nozzle according to claim 1, wherein the corundum particles comprise, in parts by weight, 2 to 3 parts of corundum particles with a particle size of 0.1 to 0.2mm, 4 to 7 parts of corundum particles with a particle size of 0.2 to 0.5mm, and 4 to 5 parts of corundum particles with a particle size of 0.5 to 0.8 mm.
5. The ceramic-bonded anti-erosion material with metallic zirconium added to the submerged nozzle of claim 1, wherein the corundum fine powder comprises 1-3 parts by weight of corundum fine powder with a particle size grade of 0-0.044 mm and 2-4 parts by weight of corundum fine powder with a particle size grade of 0.044-0.074 mm.
6. The immersion nozzle zirconium-added ceramic-bonded erosion resistant material of claim 1, wherein the alumina micropowder has a particle size of <10 μm.
7. The ceramic-bonded erosion resistant material with metal zirconium added to a submerged nozzle of claim 1, wherein the metal powder additive is aluminum powder, silicon powder or aluminum-silicon alloy powder.
8. The ceramic-bonded erosion resistant material with metal zirconium added to the submerged nozzle of claim 1, wherein the binder is an organic binder or an inorganic binder, the organic binder is resin or asphalt, and the inorganic binder is water glass or aluminum phosphate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911333278.XA CN111099884A (en) | 2019-12-23 | 2019-12-23 | Ceramic-bonded anti-scouring material with metal zirconium added into submerged nozzle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911333278.XA CN111099884A (en) | 2019-12-23 | 2019-12-23 | Ceramic-bonded anti-scouring material with metal zirconium added into submerged nozzle |
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| CN111099884A true CN111099884A (en) | 2020-05-05 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1569364A (en) * | 2003-07-21 | 2005-01-26 | 宝山钢铁股份有限公司 | Aluminium carbon zirconium sliding gate brick produced by unburning process |
| CN1840262A (en) * | 2005-03-31 | 2006-10-04 | 宝山钢铁股份有限公司 | Anti-clog immersion type down spout material |
| CN101851104A (en) * | 2009-04-03 | 2010-10-06 | 吴钦合 | Zirconium oxide ceramic composite material for continuous casting water gap and preparation method thereof |
| CN102093041A (en) * | 2010-12-28 | 2011-06-15 | 河南科技大学 | Zirconium dioxide and non-oxide in-situ composite alumina-carbon refractory material and preparation method thereof |
| KR20120104335A (en) * | 2009-12-16 | 2012-09-20 | 세람테크 게엠베하 | Ceramic composite material consisting of aluminum oxide and zirconium oxide as the main constituents |
| US20160297003A1 (en) * | 2013-03-21 | 2016-10-13 | Krosakiharima Corporation | Refractory material and casting nozzle |
-
2019
- 2019-12-23 CN CN201911333278.XA patent/CN111099884A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1569364A (en) * | 2003-07-21 | 2005-01-26 | 宝山钢铁股份有限公司 | Aluminium carbon zirconium sliding gate brick produced by unburning process |
| CN1840262A (en) * | 2005-03-31 | 2006-10-04 | 宝山钢铁股份有限公司 | Anti-clog immersion type down spout material |
| CN101851104A (en) * | 2009-04-03 | 2010-10-06 | 吴钦合 | Zirconium oxide ceramic composite material for continuous casting water gap and preparation method thereof |
| KR20120104335A (en) * | 2009-12-16 | 2012-09-20 | 세람테크 게엠베하 | Ceramic composite material consisting of aluminum oxide and zirconium oxide as the main constituents |
| CN102093041A (en) * | 2010-12-28 | 2011-06-15 | 河南科技大学 | Zirconium dioxide and non-oxide in-situ composite alumina-carbon refractory material and preparation method thereof |
| US20160297003A1 (en) * | 2013-03-21 | 2016-10-13 | Krosakiharima Corporation | Refractory material and casting nozzle |
Non-Patent Citations (1)
| Title |
|---|
| 李红霞: "《现代冶金功能耐火材料》", 28 February 2019 * |
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