CN105924183A - Quartziferous side dam and preparation method thereof - Google Patents
Quartziferous side dam and preparation method thereof Download PDFInfo
- Publication number
- CN105924183A CN105924183A CN201610250721.7A CN201610250721A CN105924183A CN 105924183 A CN105924183 A CN 105924183A CN 201610250721 A CN201610250721 A CN 201610250721A CN 105924183 A CN105924183 A CN 105924183A
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- quartziferous
- side seal
- raw material
- seal board
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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
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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
- C04B35/14—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 silica
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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
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
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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)
- Glass Compositions (AREA)
Abstract
The invention relates to a quartziferous side dam and a preparation method thereof. The technical scheme of the invention is as follows: with 45 to 70 wt% of melted quartziferous raw material particles, 29 to 50 wt% of melted quartziferous raw material fine powder and 1 to 5 wt% of SiO2 micro powder as raw materials, adding 3.5 to 7 wt% of a binder into the raw materials, adding the raw materials and the binder into a mixer, and carrying out mixing so as to obtain a semi-dry clay material; then pressing the semi-dry clay material so as to obtain a quartziferous side dam blank, carrying out drying under a condition of 110 to 140 DEG C, and maintaining the temperature under the condition of 1300 to 1450 DEG C for 3 to 5 hours so as to obtain a quartziferous side dam sintered blank; and subjecting the quartziferous side dam sintered blank to mechanical processing so as to prepare the quartziferous side dam. The quartziferous side dam provided by the invention has the characteristics of high-temperature resistance, good thermal shock resistance and good high-temperature molten steel scouring resistance; and the prepared quartziferous side dam is close in coordination with water-cooled casting rolls, is free of leakage of steel, has wear resistance, and can meet the application requirements of a twin-roll thin strip continuous casting technology.
Description
Technical field
The invention belongs to side seal board technical field.It is specifically related to a kind of quartziferous side seal board and preparation method thereof.
Background technology
Twin-roll Thin Strip Continuous Casting technology is directly to be poured into by liquid metal in two water-cooled crystallization rolls reversely rotated and the molten bath that constitutes of side seal board (refractory material), is obtained the strip of 1-5mm thickness by the quickly cooling (cooldown rate is between 10-1000 DEG C/s) of water-cooled crystallization roll and rolling effect.Compared with traditional sheet slab continuous casting and thin slab casting, twin-roll thin strip continuous casting technology is in addition to can being greatly lowered capital construction and equipment investment, energy resource consumption and minimizing environmental pollution by simplification operation, the Sub realizable fuzzy matrix process of its uniqueness can make cast material that notable change occurs in microstructure, as crystal grain is refined, reduces component segregation, suppresses the precipitation etc. of the second phase, the performance of metal material can be substantially improved.Therefore, twin-roll thin strip continuous casting technology has become world today's new material and the focus of near-net forming research, and achieves huge progress.In recent years, units concerned of China also increase the R&D intensity of this technology, enter pilot scale from laboratory research and produce the stage on a small scale as a trial.
Side seal board is the crucial fire retarding component that Twin-roll Thin Strip Continuous Casting technology is indispensable, it is desirable to it is high temperature resistant, thermal shock resistance good, coordinates tightly with water-cooled crystallization roll, not bleed-out, wear-resistant, and the erosion of high temperature resistance molten steel is good.But, for the Twin-roll Thin Strip Continuous Casting technology of field of metallurgy new development, refractory material aspect does not also have the fire-resistant side seal board needed for the crucial fire retarding components such as matched side seal board, research and development Twin-roll Thin Strip Continuous Casting technology to be the actual demand that New Metallurgical Technique develops.
Summary of the invention
Present invention address that the use requirement of Twin-roll Thin Strip Continuous Casting technology, purpose is to provide a kind of high temperature resistant, thermal shock resistance good and high temperature resistance molten steel erosion is good quartziferous side seal board and preparation method thereof, and prepared quartziferous side seal board coordinates tightly with water-cooled crystallization roll, not bleed-out and wear-resistant.
For realizing above-mentioned task, the technical solution used in the present invention is: with the vitreous silica raw material granule of 45 ~ 70wt%, the vitreous silica raw material fine powder of 29 ~ 50wt% and the SiO of 1 ~ 5wt%2Micropowder is raw material, the bonding agent of additional described raw material 3.5 ~ 7wt%, more described raw material and bonding agent are added kneading in batch mixer, obtains half-dried pug.Then described half-dried pug is compressed to quartziferous side seal slab, described quartziferous side seal slab is dried under the conditions of 110 ~ 140 DEG C, under the conditions of 1300 ~ 1450 DEG C, be incubated 3 ~ 5 hours, make quartziferous side seal board sintered blank.Finally quartziferous side seal board sintered blank is carried out machining, prepare quartziferous side seal board.
Described vitreous silica raw material is the amorphous siliceous glass phase material formed after high melt with HIGH-PURITY SILICON raw material, the granularity≤3mm of vitreous silica raw material granule, the granularity≤0.088mm of vitreous silica raw material fine powder.
Described SiO2The SiO of micropowder2Content >=90wt%, specific surface area >=20m2/g。
Described bonding agent is the one in Ludox, aluminium dihydrogen phosphate, calcium lignosulfonate aqueous solution, lignin sulfonic acid sodium water solution.
Described compacting be use refractory material forming machine carry out compressing.
Owing to using technique scheme, the present invention compared with prior art has a following good effect:
The vitreous silica raw material that the present invention uses has advantage high temperature resistant, that thermal coefficient of expansion is little, on the basis of the reasonable grain composition of vitreous silica raw material granule and vitreous silica raw material fine powder, is additionally added SiO2Micropowder, make prepared quartziferous side seal board not only have high temperature resistant, thermal shock resistance good and high temperature resistance molten steel erosion is good, and coordinate tightly with water-cooled crystallization roll, not bleed-out and wear-resistant, it is possible to meet the use requirement of Twin-roll Thin Strip Continuous Casting technology.
Therefore, the present invention has feature high temperature resistant, that thermal shock resistance good and high temperature resistance molten steel erosion is good, and prepared quartziferous side seal board coordinates tightly with water-cooled crystallization roll, not bleed-out and wear-resistant, meets the use requirement of Twin-roll Thin Strip Continuous Casting technology.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention will be further described, not limiting of its scope.
For avoiding repeating, the raw material physiochemical techniques parameter Unify legislation that first this detailed description of the invention will be related to is as follows, repeats no more in embodiment:
Described vitreous silica raw material is the amorphous siliceous glass phase material formed after high melt with HIGH-PURITY SILICON raw material, the granularity≤3mm of vitreous silica raw material granule, the granularity≤0.088mm of vitreous silica raw material fine powder.
Described SiO2The SiO of micropowder2Content >=90wt%, specific surface area >=20m2/g。
Described compacting be use refractory material forming machine carry out compressing.
Embodiment
1
A kind of quartziferous side seal board and preparation method thereof.With the vitreous silica raw material granule of 45 ~ 55wt%, the vitreous silica raw material fine powder of 40 ~ 50wt% and the SiO of 3 ~ 5wt%2Micropowder is raw material, the Ludox of additional described raw material 4.5 ~ 6.0wt%, more described raw material and bonding agent are added kneading in batch mixer, obtains half-dried pug.Then described half-dried pug is compressed to quartziferous side seal slab, described quartziferous side seal slab is dried under the conditions of 110 ~ 140 DEG C, under the conditions of 1350 ~ 1400 DEG C, be incubated 3 ~ 4 hours, make quartziferous side seal board sintered blank.Finally described quartziferous side seal board sintered blank is carried out machining, prepare quartziferous side seal board.
Embodiment
2
A kind of quartziferous side seal board and preparation method thereof.With the vitreous silica raw material granule of 55 ~ 65wt%, the vitreous silica raw material fine powder of 30 ~ 40wt% and the SiO of 3 ~ 5wt%2Micropowder is raw material, the aluminium dihydrogen phosphate of additional described raw material 5.5 ~ 7.0wt%, more described raw material and bonding agent are added kneading in batch mixer, obtains half-dried pug.Then described half-dried pug is compressed to quartziferous side seal slab, described quartziferous side seal slab is dried under the conditions of 110 ~ 140 DEG C, under the conditions of 1300 ~ 1400 DEG C, be incubated 3 ~ 4 hours, make quartziferous side seal board sintered blank.Finally described quartziferous side seal board sintered blank is carried out machining, prepare quartziferous side seal board.
Embodiment
3
A kind of quartziferous side seal board and preparation method thereof.With the vitreous silica raw material granule of 64 ~ 70wt%, the vitreous silica raw material fine powder of 29 ~ 35wt% and the SiO of 1 ~ 3wt%2Micropowder is raw material, the calcium lignosulfonate aqueous solution of additional described raw material 3.5 ~ 5.0wt%, more described raw material and bonding agent are added kneading in batch mixer, obtains half-dried pug.Then described half-dried pug is compressed to quartziferous side seal slab, described quartziferous side seal slab is dried under the conditions of 110 ~ 140 DEG C, under the conditions of 1400 ~ 1450 DEG C, be incubated 4 ~ 5 hours, make quartziferous side seal board sintered blank.Finally described quartziferous side seal board sintered blank is carried out machining, prepare quartziferous side seal board.
Embodiment
4
A kind of quartziferous side seal board and preparation method thereof.With the vitreous silica raw material granule of 50 ~ 60wt%, the vitreous silica raw material fine powder of 35 ~ 45wt% and the SiO of 3 ~ 5wt%2Micropowder is raw material, the lignin sulfonic acid sodium water solution of additional described raw material 4.0 ~ 5.0wt%, more described raw material and bonding agent are added kneading in batch mixer, obtains half-dried pug.Then described half-dried pug is compressed to quartziferous side seal slab, described quartziferous side seal slab is dried under the conditions of 110 ~ 140 DEG C, under the conditions of 1400 ~ 1450 DEG C, be incubated 4 ~ 5 hours, make quartziferous side seal board sintered blank.Finally described quartziferous side seal board sintered blank is carried out machining, prepare quartziferous side seal board.
Embodiment
5
A kind of quartziferous side seal board and preparation method thereof.With the vitreous silica raw material granule of 63 ~ 68wt%, the vitreous silica raw material fine powder of 29 ~ 35wt% and the SiO of 2 ~ 4wt%2Micropowder is raw material, the calcium lignosulfonate aqueous solution of additional described raw material 4.0 ~ 5.0wt%, more described raw material and bonding agent are added kneading in batch mixer, obtains half-dried pug.Then described half-dried pug is compressed to quartziferous side seal slab, described quartziferous side seal slab is dried under the conditions of 110 ~ 140 DEG C, under the conditions of 1400 ~ 1450 DEG C, be incubated 3 ~ 5 hours, make quartziferous side seal board sintered blank.Finally described quartziferous side seal board sintered blank is carried out machining, prepare quartziferous side seal board.
This detailed description of the invention compared with prior art has a following good effect:
The vitreous silica raw material that this detailed description of the invention uses has advantage high temperature resistant, that thermal coefficient of expansion is little, on the basis of the reasonable grain composition of vitreous silica raw material granule and vitreous silica raw material fine powder, is additionally added SiO2Micropowder, make prepared quartziferous side seal board not only have high temperature resistant, thermal shock resistance good and high temperature resistance molten steel erosion is good, and coordinate tightly with water-cooled crystallization roll, not bleed-out and wear-resistant, it is possible to meet the use requirement of Twin-roll Thin Strip Continuous Casting technology.
Therefore, this detailed description of the invention has feature high temperature resistant, that thermal shock resistance good and high temperature resistance molten steel erosion is good, prepared quartziferous side seal board coordinates tightly with water-cooled crystallization roll, not bleed-out and wear-resistant, meets the use requirement of Twin-roll Thin Strip Continuous Casting technology.
Claims (6)
1. the preparation method of a quartziferous side seal board, it is characterised in that vitreous silica raw material granule with 45～70wt%,
The vitreous silica raw material fine powder of 29～50wt% and the SiO of 1～5wt%2Micropowder is raw material, additional described raw material 3.5～7wt%
Bonding agent, more described raw material and bonding agent are added kneading in batch mixer, obtain half-dried pug；Then by described half-dried pug pressure
It is made as quartziferous side seal slab, dries under the conditions of 110～140 DEG C, under the conditions of 1300～1450 DEG C, be incubated 3～5 hours, make
Quartziferous side seal board sintered blank；Finally quartziferous side seal board sintered blank is carried out machining, prepare quartziferous side seal board.
The preparation method of quartziferous side seal board the most according to claim 1, it is characterised in that described vitreous silica raw material is
The amorphous siliceous glass phase material formed after high melt with HIGH-PURITY SILICON raw material, the granularity of vitreous silica raw material granule
≤ 3mm, the granularity≤0.088mm of vitreous silica raw material fine powder.
The preparation method of quartziferous side seal board the most according to claim 1, it is characterised in that described SiO2The SiO of micropowder2
Content >=90wt%, specific surface area >=20m2/g。
The preparation method of quartziferous side seal board the most according to claim 1, it is characterised in that described bonding agent be Ludox,
One in aluminium dihydrogen phosphate, calcium lignosulfonate aqueous solution, lignin sulfonic acid sodium water solution.
The preparation method of quartziferous side seal board the most according to claim 1, it is characterised in that described compacting is to use fire proofed wood
It is compressing that material forming machine is carried out.
6. a quartziferous side seal board, it is characterised in that described quartziferous side seal board is according to institute any one of Claims 1 to 5 item
State the quartziferous side seal board prepared by the preparation method of quartziferous side seal board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610250721.7A CN105924183A (en) | 2016-04-21 | 2016-04-21 | Quartziferous side dam and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610250721.7A CN105924183A (en) | 2016-04-21 | 2016-04-21 | Quartziferous side dam and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105924183A true CN105924183A (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610250721.7A Pending CN105924183A (en) | 2016-04-21 | 2016-04-21 | Quartziferous side dam and preparation method thereof |
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| Country | Link |
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| CN (1) | CN105924183A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106542811A (en) * | 2016-11-25 | 2017-03-29 | 武汉钢铁股份有限公司 | A kind of double roller thin-slab caster AZS matter side seal board and preparation method |
| CN106747492A (en) * | 2016-11-25 | 2017-05-31 | 武汉钢铁股份有限公司 | A kind of dual-roller conticaster of thin sheet billet aluminum-spinel matter cloth flowing water mouthful and preparation method |
| CN109650860A (en) * | 2019-01-16 | 2019-04-19 | 河北炫坤耐火材料科技发展有限公司 | A kind of resistance to zero expansion silica brick and preparation method thereof of bursting apart of anti-erosion acid resistance |
| CN111094212A (en) * | 2017-09-12 | 2020-05-01 | 杰富意钢铁株式会社 | Refractory for siliconizing treatment furnace |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161082A (en) * | 2010-02-23 | 2011-08-24 | 上海柯瑞冶金炉料有限公司 | Side sealing plate for thin-belt continuous casting and manufacturing method |
-
2016
- 2016-04-21 CN CN201610250721.7A patent/CN105924183A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161082A (en) * | 2010-02-23 | 2011-08-24 | 上海柯瑞冶金炉料有限公司 | Side sealing plate for thin-belt continuous casting and manufacturing method |
Non-Patent Citations (3)
| Title |
|---|
| 丁双双等: "配料组成对硅质捣打料性能的影响", 《硅酸盐通报》 * |
| 刘鹏举等: "薄带连铸侧封技术的研究现状及发展趋势", 《耐火材料》 * |
| 李永全等: "熔融石英质侧封板的研制与使用", 《耐火材料》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106542811A (en) * | 2016-11-25 | 2017-03-29 | 武汉钢铁股份有限公司 | A kind of double roller thin-slab caster AZS matter side seal board and preparation method |
| CN106747492A (en) * | 2016-11-25 | 2017-05-31 | 武汉钢铁股份有限公司 | A kind of dual-roller conticaster of thin sheet billet aluminum-spinel matter cloth flowing water mouthful and preparation method |
| CN111094212A (en) * | 2017-09-12 | 2020-05-01 | 杰富意钢铁株式会社 | Refractory for siliconizing treatment furnace |
| CN109650860A (en) * | 2019-01-16 | 2019-04-19 | 河北炫坤耐火材料科技发展有限公司 | A kind of resistance to zero expansion silica brick and preparation method thereof of bursting apart of anti-erosion acid resistance |
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Application publication date: 20160907 |
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