CN108424151A - A kind of magnesia carbon brick of high temperature resisting corrosion resisting and preparation method thereof - Google Patents
A kind of magnesia carbon brick of high temperature resisting corrosion resisting and preparation method thereof Download PDFInfo
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- CN108424151A CN108424151A CN201810264084.8A CN201810264084A CN108424151A CN 108424151 A CN108424151 A CN 108424151A CN 201810264084 A CN201810264084 A CN 201810264084A CN 108424151 A CN108424151 A CN 108424151A
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- Prior art keywords
- parts
- magnesia carbon
- carbon brick
- fused magnesite
- high temperature
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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
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
-
- 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
-
- 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
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
-
- 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
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
-
- 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
- C04B2235/3804—Borides
- C04B2235/3813—Refractory metal borides
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The present invention relates to a kind of magnesia carbon bricks of high temperature resisting corrosion resisting and preparation method thereof, and each component is calculated by weight as：8~15 parts of 65~80 parts of fused magnesite particle, 15~35 parts of fused magnesite fine powder, 8~15 parts of phenolic resin, 5~10 parts of zirconium oxide, 5~10 parts of yttrium oxide and zirconium boride, when preparation weighs by raw material, is kneaded respectively, compression moulding and baking and curing.Preparation method of the present invention is simple, and step is easily operated, and zirconium oxide, yttrium oxide and zirconium boride are added in the raw material of magnesia carbon brick can improve the high temperature resistant property of magnesia carbon brick, while increase the corrosion resistance of magnesia carbon brick, expand the use scope of magnesia carbon brick.
Description
Technical field
The present invention relates to a kind of magnesia carbon bricks of high temperature resisting corrosion resisting and preparation method thereof, belong to refractory material technology of preparing neck
Domain.
Background technology
Magnesia carbon brick is with high-melting-point alkalinity oxides magnesium（2800 DEG C of fusing point）Be difficult to be invaded the high-melting-point of profit by clinker
Carbon materials add various non-oxidized substance additives as raw material.Carbon composite fire is not burnt with what carbonaceous bonding agent was combined into
Material.Magnesia carbon brick be mainly used for converter, ac arc furnace, direct current electric arc furnace liner, the positions such as slag line of ladle.Magnesia carbon brick is made
For a kind of composite refractory, efficiently utilize magnesia slag corrosion resistance ability is strong and the high-termal conductivity and low expansion of carbon,
Compensate for the disadvantage of magnesia spalling resistance difference.It with the continuous development of production technology and improves, for wanting for refractory material
It asks and is also continuously increased, therefore it is the key that in technology to improve the high temperature resistant property of magnesia carbon brick and corrosion resistance.
Invention content
The purpose of the present invention is overcoming the deficiencies in the prior art, provide a kind of high temperature resisting corrosion resisting magnesia carbon brick and
Preparation method.
The present invention adopts the following technical scheme that：A kind of magnesia carbon brick of high temperature resisting corrosion resisting, each component are calculated by weight as：
65~80 parts of fused magnesite particle, 15~35 parts of fused magnesite fine powder, 8~15 parts of phenolic resin, 5~10 parts of zirconium oxide, oxidation
8~15 parts of 5~10 parts of yttrium and zirconium boride.
Further, the fused magnesite granular size is 1~5mm.
Further, the granularity of the fused magnesite fine powder is 300~350 mesh.
The preparation method of the magnesia carbon brick of high temperature resisting corrosion resisting, includes the following steps：
（1）First in parts by weight score also known as take 65~80 parts of raw material fused magnesite particle, 15~35 parts of fused magnesite fine powder,
8~15 parts of 8~15 parts of phenolic resin, 5~10 parts of zirconium oxide, 5~10 parts of yttrium oxide and zirconium boride；
（2）Fused magnesite particle is first put into dry-mixed 10~20min in kneading machine, be subsequently added into phenolic resin continue mixing 10~
Then 30min sequentially adds zirconium oxide, yttrium oxide and zirconium boride and mixes 5~10min, be eventually adding the mixing of fused magnesite fine powder
10~20min forms pug, and the rotating speed of kneading machine is 900~1000 rad/min, and mixing time is 20~60min；
（3）By step（2）In pug be put into compression moulding in mold and be made adobe, briquetting pressure is 2500~6000KN；
（4）Adobe is placed in dry kiln and is toasted to obtain magnesia carbon brick.
Further, the step（4）In drying temperature be 200~350 DEG C, drying time be 15~25h.
Preparation method of the present invention is simple, and step is easily operated, and zirconium oxide, yttrium oxide and boron are added in the raw material of magnesia carbon brick
The high temperature resistant property of magnesia carbon brick can be improved by changing zirconium, while increase the corrosion resistance of magnesia carbon brick, expand the use of magnesia carbon brick
Range.
Specific implementation mode
The present invention is further explained in the light of specific embodiments.
Embodiment one：
A kind of magnesia carbon brick of high temperature resisting corrosion resisting, each component are calculated by weight as：65 parts of fused magnesite particle, fused magnesite are thin
8 parts of 15 parts of powder, 15 parts of phenolic resin, 5 parts of zirconium oxide, 10 parts of yttrium oxide and zirconium boride, fused magnesite granular size are 1mm, electricity
The granularity of fused magnesia fine powder is 350 mesh.
The preparation method of the magnesia carbon brick of high temperature resisting corrosion resisting, includes the following steps：
（1）Score also known as takes 65 parts of raw material fused magnesite particle, 15 parts of fused magnesite fine powder, phenolic resin in parts by weight first
8 parts of 15 parts, 5 parts of zirconium oxide, 10 parts of yttrium oxide and zirconium boride；
（2）Fused magnesite particle is first put into dry-mixed 10min in kneading machine, phenolic resin is subsequently added into and continues to mix 30min, so
After sequentially add zirconium oxide, yttrium oxide and zirconium boride mixing 5min, be eventually adding fused magnesite fine powder mixing 20min and form mud
The rotating speed of material, kneading machine is 900 rad/min, mixing time 20min；
（3）By step（2）In pug be put into compression moulding in mold adobe, briquetting pressure 6000KN be made；
（4）Adobe is placed in dry kiln and is toasted to obtain magnesia carbon brick, drying temperature is 200 DEG C, drying time 25h.
Embodiment two：
A kind of magnesia carbon brick of high temperature resisting corrosion resisting, each component are calculated by weight as：70 parts of fused magnesite particle, fused magnesite are thin
10 parts of 20 parts of powder, 10 parts of phenolic resin, 8 parts of zirconium oxide, 8 parts of yttrium oxide and zirconium boride, fused magnesite granular size are 3mm, electricity
The granularity of fused magnesia fine powder is 320 mesh.
The preparation method of the magnesia carbon brick of high temperature resisting corrosion resisting, includes the following steps：
（1）Score also known as takes 70 parts of raw material fused magnesite particle, 20 parts of fused magnesite fine powder, phenolic resin in parts by weight first
10 parts of 10 parts, 8 parts of zirconium oxide, 8 parts of yttrium oxide and zirconium boride；
（2）Fused magnesite particle is first put into dry-mixed 15min in kneading machine, phenolic resin is subsequently added into and continues to mix 20min, so
After sequentially add zirconium oxide, yttrium oxide and zirconium boride mixing 8min, be eventually adding fused magnesite fine powder mixing 15min and form mud
The rotating speed of material, kneading machine is 1000 rad/min, mixing time 40min；
（3）By step（2）In pug be put into compression moulding in mold adobe, briquetting pressure 5000KN be made；
（4）Adobe is placed in dry kiln and is toasted to obtain magnesia carbon brick, drying temperature is 300 DEG C, drying time 20h.
Embodiment three：
A kind of magnesia carbon brick of high temperature resisting corrosion resisting, each component are calculated by weight as：80 parts of fused magnesite particle, fused magnesite are thin
15 parts of 35 parts of powder, 8 parts of phenolic resin, 10 parts of zirconium oxide, 5 parts of yttrium oxide and zirconium boride, fused magnesite granular size are 5mm, electricity
The granularity of fused magnesia fine powder is 300 mesh.
The preparation method of the magnesia carbon brick of high temperature resisting corrosion resisting, includes the following steps：
（1）Score also known as takes 80 parts of raw material fused magnesite particle, 35 parts of fused magnesite fine powder, phenolic resin in parts by weight first
15 parts of 8 parts, 10 parts of zirconium oxide, 5 parts of yttrium oxide and zirconium boride；
（2）Fused magnesite particle is first put into dry-mixed 20min in kneading machine, phenolic resin is subsequently added into and continues to mix 10min, so
After sequentially add zirconium oxide, yttrium oxide and zirconium boride mixing 10min, be eventually adding fused magnesite fine powder mixing 10min and form mud
The rotating speed of material, kneading machine is 1000 rad/min, mixing time 60min；
（3）By step（2）In pug be put into compression moulding in mold adobe, briquetting pressure 2500KN be made；
（4）Adobe is placed in dry kiln and is toasted to obtain magnesia carbon brick, drying temperature is 350 DEG C, drying time 15h.
Claims (5)
1. a kind of magnesia carbon brick of high temperature resisting corrosion resisting, it is characterized in that：Each component is calculated by weight as：Fused magnesite particle 65~
80 parts, 15~35 parts of fused magnesite fine powder, 8~15 parts of phenolic resin, 5~10 parts of zirconium oxide, 5~10 parts of yttrium oxide and zirconium boride
8~15 parts.
2. the magnesia carbon brick of high temperature resisting corrosion resisting as described in claim 1, it is characterized in that：The fused magnesite granular size is 1
~5mm.
3. the magnesia carbon brick of high temperature resisting corrosion resisting as described in claim 1, it is characterized in that：The granularity of the fused magnesite fine powder is
300~350 mesh.
4. the preparation method of the magnesia carbon brick of high temperature resisting corrosion resisting described in claim 1, it is characterized in that：Include the following steps：
（1）First in parts by weight score also known as take 65~80 parts of raw material fused magnesite particle, 15~35 parts of fused magnesite fine powder,
8~15 parts of 8~15 parts of phenolic resin, 5~10 parts of zirconium oxide, 5~10 parts of yttrium oxide and zirconium boride；
（2）Fused magnesite particle is first put into dry-mixed 10~20min in kneading machine, be subsequently added into phenolic resin continue mixing 10~
Then 30min sequentially adds zirconium oxide, yttrium oxide and zirconium boride and mixes 5~10min, be eventually adding the mixing of fused magnesite fine powder
10~20min forms pug, and the rotating speed of kneading machine is 900~1000 rad/min, and mixing time is 20~60min；
（3）By step（2）In pug be put into compression moulding in mold and be made adobe, briquetting pressure is 2500~6000KN；
（4）Adobe is placed in dry kiln and is toasted to obtain magnesia carbon brick.
5. the preparation method of the magnesia carbon brick of high temperature resisting corrosion resisting as claimed in claim 4, it is characterized in that：The step（4）In
Drying temperature be 200~350 DEG C, drying time be 15~25h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810264084.8A CN108424151A (en) | 2018-03-28 | 2018-03-28 | A kind of magnesia carbon brick of high temperature resisting corrosion resisting and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810264084.8A CN108424151A (en) | 2018-03-28 | 2018-03-28 | A kind of magnesia carbon brick of high temperature resisting corrosion resisting and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108424151A true CN108424151A (en) | 2018-08-21 |
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|---|---|---|---|
| CN201810264084.8A Pending CN108424151A (en) | 2018-03-28 | 2018-03-28 | A kind of magnesia carbon brick of high temperature resisting corrosion resisting and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117024132A (en) * | 2023-09-28 | 2023-11-10 | 山东理工大学 | Magnesia-alumina spinel material and preparation method and application thereof |
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|---|---|---|---|---|
| JPS57183360A (en) * | 1981-05-07 | 1982-11-11 | Shinagawa Refractories Co | Magnesia carbon brick |
| CN101037341A (en) * | 2007-02-09 | 2007-09-19 | 江苏苏嘉集团新材料有限公司 | Non-oxide composite low-carbon magnesia-carbon brick |
| CN101343188A (en) * | 2008-08-21 | 2009-01-14 | 武汉科技大学 | Low-carbon magnesium carbon brick and preparation thereof |
| CN101531533A (en) * | 2009-04-22 | 2009-09-16 | 济南鲁东耐火材料有限公司 | Low carbon magnesia carbon brick and preparation method thereof |
| CN104478455A (en) * | 2014-12-24 | 2015-04-01 | 辽宁中镁控股股份有限公司 | Low-carbonmagnesia carbon brick with non-oxidereinforcing and toughening structure and preparation method of low-carbonmagnesia carbon brick |
| CN105523749A (en) * | 2015-12-21 | 2016-04-27 | 江苏苏嘉集团新材料有限公司 | Magnesium boron brick and preparation method thereof |
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2018
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Patent Citations (8)
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| CN101343188A (en) * | 2008-08-21 | 2009-01-14 | 武汉科技大学 | Low-carbon magnesium carbon brick and preparation thereof |
| CN101531533A (en) * | 2009-04-22 | 2009-09-16 | 济南鲁东耐火材料有限公司 | Low carbon magnesia carbon brick and preparation method thereof |
| CN104478455A (en) * | 2014-12-24 | 2015-04-01 | 辽宁中镁控股股份有限公司 | Low-carbonmagnesia carbon brick with non-oxidereinforcing and toughening structure and preparation method of low-carbonmagnesia carbon brick |
| CN105523749A (en) * | 2015-12-21 | 2016-04-27 | 江苏苏嘉集团新材料有限公司 | Magnesium boron brick and preparation method thereof |
| CN105585322A (en) * | 2015-12-21 | 2016-05-18 | 洛阳利尔耐火材料有限公司 | Slag-corrosion-resistant magnesite-spinel brick and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117024132A (en) * | 2023-09-28 | 2023-11-10 | 山东理工大学 | Magnesia-alumina spinel material and preparation method and application thereof |
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Application publication date: 20180821 |