CN105924187A - Bilayer composite side seal plate and production method thereof - Google Patents

Bilayer composite side seal plate and production method thereof Download PDF

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Publication number
CN105924187A
CN105924187A CN201610263796.9A CN201610263796A CN105924187A CN 105924187 A CN105924187 A CN 105924187A CN 201610263796 A CN201610263796 A CN 201610263796A CN 105924187 A CN105924187 A CN 105924187A
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raw material
side seal
layer compound
compound side
seal board
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CN105924187B (en
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祝洪喜
彭玮珂
邓承继
余超
员文杰
丁军
朱清友
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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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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
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    • 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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    • 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
    • C04B35/16—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 silicates other than clay
    • C04B35/18—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 silicates other than clay rich in aluminium oxide
    • C04B35/185—Mullite 3Al2O3-2SiO2
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    • 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
    • C04B35/48—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 zirconium or hafnium oxides, zirconates, zircon or hafnates
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • 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
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    • 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
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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    • 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
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
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    • 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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    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/612—Machining

Abstract

The invention relates to a bilayer composite side seal plate and a production method thereof. The production method of the bilayer composite side seal plate comprises the following steps: adopting 45-70wt% of aluminum silicate/zirconium fireproof raw material particles, 29-50wt% of aluminum silicate/zirconium fireproof raw material fine powder and 1-5wt% of SiO2 micro-powder as a raw material I, adding a binder accounting for 3.5-7wt% of the weight of the raw material I to the raw material I, and mixing the raw material I and the binder to obtain semidry mud I; adopting 45-70wt% of fused quartz particles, 29-50wt% of fused quartz fine powder and 1-5wt% of SiO2 micro-powder as a raw material II, adding the binder accounting for 3.5-7wt% of the weight of the raw material II to the raw material II, and mixing the raw material II and the binder to obtain semidry mud II; sequentially placing the semidry mud I and the semidry mud II in a die, compacting the mud mixture to form a bilayer composite side seal plate blank, drying the blank, keeping the temperature in a range of 1400-1500DEG C for 3-5h, and machining the obtained blank to obtain the bilayer composite side seal plate. The bilayer composite side seal plate has the advantages of good high-temperature, thermal shock and high-temperature molten steel erosion resistance, close cooperation with water-cooled crystallized rollers, no steel breakout and high wear resistance, and has a better use effect than monolayer side seal plates.

Description

A kind of two-layer compound side seal board and preparation method thereof
Technical field
The invention belongs to side seal board technical field.It is specifically related to a kind of two-layer compound side seal board and preparation method thereof.
Background technology
Twin-roll Thin Strip Continuous Casting technology be liquid metal is directly poured into two reversely rotate water-cooled crystallization rolls and side seal board (resistance to Fire material) in the molten bath that constitutes, by quickly cooling (cooldown rate is between 10-1000 DEG C/s) and the rolling of water-cooled crystallization roll Effect obtains the strip that 1-5mm is thick.Compared with traditional sheet slab continuous casting and thin slab casting, twin-roll thin strip continuous casting technology In addition to capital construction and equipment investment, energy resource consumption and minimizing environmental pollution can being greatly lowered by simplification operation, it is unique Sub realizable fuzzy matrix process cast material can be made notable change to occur in microstructure, as crystal grain is refined, reduces composition Segregation, suppress the precipitation etc. of the second phase, the performance of metal material can be substantially improved.Therefore, twin-roll thin strip continuous casting technology becomes World today's new material and the focus of near-net forming research, and achieve huge progress.In recent years, units concerned of China also add The big R&D intensity of this technology, enters pilot scale and trial production stage on a small scale from laboratory research.
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, Coordinate tightly with water-cooled crystallization roll, not bleed-out, wear-resistant, the aggressivity of high temperature resistance molten steel is good.But, relative to field of metallurgy For the Twin-roll Thin Strip Continuous Casting technology of new development, refractory material aspect does not also have the crucial fire retarding components such as matched side seal board, Quality refractory side seal board needed for research and development Twin-roll Thin Strip Continuous Casting technology is the actual demand of New Metallurgical Technique development.
Summary of the invention
Present invention address that the use requirement of Twin-roll Thin Strip Continuous Casting technology, it is therefore an objective to provide a kind of high temperature resistant, thermal shock resistance The preparation method of the two-layer compound side seal board that good and high temperature resistance molten steel is good, prepared two-layer compound side seal board and water-cooled knot Brilliant roller coordinates tightly, not bleed-out and wear-resistant, and using effect is better than monolayer side seal board.
For realizing above-mentioned task, the technical solution used in the present invention is:
The aluminum silicon of the aluminum silicon with 45～70wt%/zirconium matter refractory raw material granule, 29～50wt%/zirconium matter refractory raw material fine powder and 1～5wt% SiO2Micropowder is raw material I, the bonding agent of additional described raw material I 3.5～7wt%, then adds mixed by described raw material I and bonding agent Kneading in material machine, obtains half-dried pug I.
The vitreous silica fine powder of vitreous silica granule, 29～50wt% with 45～70wt% and the SiO of 1～5wt%2Micropowder is raw material II, the bonding agent of additional described raw material II 3.5～7wt%, more described raw material II and bonding agent are added kneading in batch mixer, obtain Half-dried pug II.
Described half-dried pug I is put into the bottom of mould, more described half-dried pug II is placed on half-dried pug I, put into mould Thickness is mould inner wall height the 25～30% of the half-dried pug I of bottom, the thickness putting into the half-dried pug II in mould is mould The 65～75% of inside wall height；Then two-layer compound side seal slab it is compressed to, by described two-layer compound side seal slab at 110～140 DEG C Under the conditions of dry, under the conditions of 1400～1500 DEG C be incubated 3～5 hours, make two-layer compound side seal board sintered blank.
Finally two-layer compound side seal board sintered blank is carried out machining, prepare two-layer compound side seal board.
Described aluminum silicon/zirconium matter refractory raw material is the one in mullite, zirconium mullite, fused alumina zirconia；Described aluminum silicon/zirconium matter refractory raw material Granularity≤the 3mm of granule, the granularity≤0.088mm of described aluminum silicon/zirconium matter refractory raw material fine powder.
Described vitreous silica is the amorphous siliceous glass phase material formed after high melt with HIGH-PURITY SILICON raw material, vitreous silica Granularity≤the 3mm of granule, the granularity≤0.088mm of vitreous silica fine powder.
Described SiO2The SiO of micropowder2Content >=90wt%, specific surface area >=20m2/g。
Described bonding agent is in Ludox, aluminium dihydrogen phosphate, calcium lignosulfonate aqueous solution, lignin sulfonic acid sodium water solution Kind.
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 that the present invention uses has advantage high temperature resistant, that thermal coefficient of expansion is little, and mullite, zirconium mullite, zirconium are firm Jade has more excellent resistance to elevated temperatures and anti-molten steel erosion performance, on the basis of reasonable grain composition, is additionally added SiO2Micropowder, Make that prepared two-layer compound side seal board is the most high temperature resistant, thermal shock resistance good and high temperature resistance molten steel is good, and tie with water-cooled Brilliant roller coordinates tightly, not bleed-out and wear-resistant, and using effect is significantly better than monolayer side seal board, hence it is evident that meet Twin-Roll Thin Strip even The use requirement of casting technology.
Therefore, the present invention has feature high temperature resistant, that thermal shock resistance good and high temperature resistance molten steel is good, prepared bilayer Composite lateral sealing plate coordinates tightly with water-cooled crystallization roll, not bleed-out and wear-resistant, and using effect is significantly better than monolayer side seal board, hence it is evident that Meet 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.
In this detailed description of the invention:
The granularity of described mullite particle, zirconium mullite granule and fused alumina zirconia granule all≤3mm, described mullite fine powder, zirconium do not come The granularity of stone fine powder and fused alumina zirconia fine powder all≤0.088mm.
Described vitreous silica is the amorphous siliceous glass phase material formed after high melt with HIGH-PURITY SILICON raw material, vitreous silica Granularity≤the 3mm of granule, the granularity≤0.088mm of vitreous silica 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 repeats no more.
Embodiment 1
A kind of two-layer compound side seal board and preparation method thereof.Described in the present embodiment, preparation method is:
The mullite fine powder of mullite particle, 40～50wt% with 45～55wt% and the SiO of 3～5wt%2Micropowder is raw material I, outward Add the Ludox of described raw material I 4.5～6.0wt%, more described raw material I and Ludox are added kneading in batch mixer, obtain half-dried Pug I.
The vitreous silica fine powder of vitreous silica granule, 30～40wt% with 55～65wt% and the SiO of 3～5wt%2Micropowder is raw material II, The aluminium dihydrogen phosphate of additional described raw material II 5.5～7.0wt%, more described raw material II and aluminium dihydrogen phosphate are added kneading in batch mixer, Obtain half-dried pug II.
Described half-dried pug I is put into the bottom of mould, more described half-dried pug II is placed on half-dried pug I, put into mould Thickness is mould inner wall height the 25～30% of the half-dried pug I of bottom, the thickness putting into the half-dried pug II in mould is mould The 65～75% of inside wall height；Then two-layer compound side seal slab it is compressed to, by described two-layer compound side seal slab at 110～140 DEG C Under the conditions of dry, under the conditions of 1400～1450 DEG C be incubated 4～5 hours, make two-layer compound side seal board sintered blank.
Finally two-layer compound side seal board sintered blank is carried out machining, prepare two-layer compound side seal board.
Embodiment 2
A kind of two-layer compound side seal board and preparation method thereof.Described in the present embodiment, preparation method is:
The zirconium mullite fine powder of zirconium mullite granule, 29～35wt% with 64～70wt% and the SiO of 1～3wt%2Micropowder is raw material I, The calcium lignosulfonate aqueous solution of additional described raw material I 3.5～5.0wt%, then by described raw material I and calcium lignosulfonate aqueous solution Add kneading in batch mixer, obtain half-dried pug I.
The vitreous silica fine powder of vitreous silica granule, 35～45wt% with 50～60wt% and the SiO of 3～5wt%2Micropowder is raw material II, The lignin sulfonic acid sodium water solution of additional described raw material II 4.0～5.0wt%, then by described raw material II and lignin sulfonic acid sodium water solution Add kneading in batch mixer, obtain half-dried pug II.
Described half-dried pug I is put into the bottom of mould, more described half-dried pug II is placed on half-dried pug I, put into mould Thickness is mould inner wall height the 25～30% of the half-dried pug I of bottom, the thickness putting into the half-dried pug II in mould is mould The 65～75% of inside wall height；Then two-layer compound side seal slab it is compressed to, by described two-layer compound side seal slab at 110～140 DEG C Under the conditions of dry, under the conditions of 1450～1500 DEG C be incubated 3～4 hours, make two-layer compound side seal board sintered blank.
Finally two-layer compound side seal board sintered blank is carried out machining, prepare two-layer compound side seal board.
Embodiment 3
A kind of two-layer compound side seal board and preparation method thereof.Described in the present embodiment, preparation method is:
The fused alumina zirconia fine powder of fused alumina zirconia granule, 29～35wt% with 63～68wt% and the SiO of 2～4wt%2Micropowder is raw material I, outward Add the calcium lignosulfonate aqueous solution of described raw material I 4.0～5.0wt%, more described raw material I and calcium lignosulfonate aqueous solution are added Enter kneading in batch mixer, obtain half-dried pug I.
The vitreous silica fine powder of vitreous silica granule, 40～50wt% with 45～55wt% and the SiO of 3～5wt%2Micropowder is raw material II, The Ludox of additional described raw material II 4.5～6.0wt%, more described raw material II and Ludox are added kneading in batch mixer, obtain half Dry pug II.
Described half-dried pug I is put into the bottom of mould, more described half-dried pug II is placed on half-dried pug I, put into mould Thickness is mould inner wall height the 25～30% of the half-dried pug I of bottom, the thickness putting into the half-dried pug II in mould is mould The 65～75% of inside wall height；Then two-layer compound side seal slab it is compressed to, by described two-layer compound side seal slab at 110～140 DEG C Under the conditions of dry, under the conditions of 1450～1500 DEG C be incubated 3～4 hours, make two-layer compound side seal board sintered blank.
Finally two-layer compound side seal board sintered blank is carried out machining, prepare two-layer compound side seal board.
Embodiment 4
A kind of two-layer compound side seal board and preparation method thereof.Described in the present embodiment, preparation method is:
The mullite fine powder of mullite particle, 30～40wt% with 55～65wt% and the SiO of 3～5wt%2Micropowder is raw material I, outward Add the aluminium dihydrogen phosphate of described raw material I 5.5～7.0wt%, more described raw material I and aluminium dihydrogen phosphate added kneading in batch mixer, Obtain half-dried pug I.
The vitreous silica fine powder of vitreous silica granule, 29～35wt% with 64～70wt% and the SiO of 1～3wt%2Micropowder is raw material II, The calcium lignosulfonate aqueous solution of additional described raw material II 3.5～5.0wt%, then by described raw material II and calcium lignosulfonate aqueous solution Add kneading in batch mixer, obtain half-dried pug II.
Described half-dried pug I is put into the bottom of mould, more described half-dried pug II is placed on half-dried pug I, put into mould Thickness is mould inner wall height the 25～30% of the half-dried pug I of bottom, the thickness putting into the half-dried pug II in mould is mould The 65～75% of inside wall height；Then two-layer compound side seal slab it is compressed to, by described two-layer compound side seal slab at 110～140 DEG C Under the conditions of dry, under the conditions of 1400～1450 DEG C be incubated 4～5 hours, make two-layer compound side seal board sintered blank.
Finally two-layer compound side seal board sintered blank is carried out machining, prepare two-layer compound side seal board.
Embodiment 5
A kind of two-layer compound side seal board and preparation method thereof.Described in the present embodiment, preparation method is:
The zirconium mullite fine powder of zirconium mullite granule, 35～45wt% with 50～60wt% and the SiO of 3～5wt%2Micropowder is raw material I, The lignin sulfonic acid sodium water solution of additional described raw material I 4.0～5.0wt%, then by described raw material I and lignin sulfonic acid sodium water solution Add kneading in batch mixer, obtain half-dried pug I.
The vitreous silica fine powder of vitreous silica granule, 29～35wt% with 63～68wt% and the SiO of 2～4wt%2Micropowder is raw material II, The calcium lignosulfonate aqueous solution of additional described raw material II 4.0～5.0wt%, then by described raw material II and calcium lignosulfonate aqueous solution Add kneading in batch mixer, obtain half-dried pug II.
Described half-dried pug I is put into the bottom of mould, more described half-dried pug II is placed on half-dried pug I, put into mould Thickness is mould inner wall height the 25～30% of the half-dried pug I of bottom, the thickness putting into the half-dried pug II in mould is mould The 65～75% of inside wall height；Then two-layer compound side seal slab it is compressed to, by described two-layer compound side seal slab at 110～140 DEG C Under the conditions of dry, under the conditions of 1450～1500 DEG C be incubated 3～4 hours, make two-layer compound side seal board sintered blank.
Finally two-layer compound side seal board sintered blank is carried out machining, prepare two-layer compound side seal board.
Embodiment 6
A kind of two-layer compound side seal board and preparation method thereof.Described in the present embodiment, preparation method is:
The fused alumina zirconia fine powder of fused alumina zirconia granule, 40～50wt% with 45～55wt% and the SiO of 3～5wt%2Micropowder is raw material I, outward Add the Ludox of described raw material I 4.5～6.0wt%, more described raw material I and Ludox are added kneading in batch mixer, obtain half-dried Pug I.
The vitreous silica fine powder of vitreous silica granule, 29～35wt% with 64～70wt% and the SiO of 1～3wt%2Micropowder is raw material II, The calcium lignosulfonate aqueous solution of additional described raw material II 3.5～5.0wt%, then by described raw material II and calcium lignosulfonate aqueous solution Add kneading in batch mixer, obtain half-dried pug II.
Described half-dried pug I is put into the bottom of mould, more described half-dried pug II is placed on half-dried pug I, put into mould Thickness is mould inner wall height the 25～30% of the half-dried pug I of bottom, the thickness putting into the half-dried pug II in mould is mould The 65～75% of inside wall height；Then two-layer compound side seal slab it is compressed to, by described two-layer compound side seal slab at 110～140 DEG C Under the conditions of dry, under the conditions of 1400～1450 DEG C be incubated 4～5 hours, make two-layer compound side seal board sintered blank.
Finally two-layer compound side seal board sintered blank is carried out machining, prepare two-layer compound side seal board.
This detailed description of the invention compared with prior art has a following good effect:
The vitreous silica that this detailed description of the invention uses has advantage high temperature resistant, that thermal coefficient of expansion is little, and mullite, zirconium do not come Stone, fused alumina zirconia have more excellent resistance to elevated temperatures and anti-molten steel erosion performance, on the basis of reasonable grain composition, are additionally added SiO2Micropowder, makes that prepared two-layer compound side seal board is the most high temperature resistant, thermal shock resistance good and high temperature resistance molten steel is good, And coordinate tightly with water-cooled crystallization roll, not bleed-out and wear-resistant, 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 is good, made Standby two-layer compound side seal board coordinates tightly with water-cooled crystallization roll, not bleed-out and wear-resistant, meets Twin-roll Thin Strip Continuous Casting technology Use requirement.Its performance and using effect are better than monolayer side seal board.

Claims (7)

1. the preparation method of a two-layer compound side seal board, it is characterised in that described preparation method is:
The aluminum silicon of the aluminum silicon with 45～70wt%/zirconium matter refractory raw material granule, 29～50wt%/zirconium matter refractory raw material fine powder and 1～5wt% SiO2Micropowder is raw material I, the bonding agent of additional described raw material I 3.5～7wt%, then adds mixed by described raw material I and bonding agent Kneading in material machine, obtains half-dried pug I；
The vitreous silica fine powder of vitreous silica granule, 29～50wt% with 45～70wt% and the SiO of 1～5wt%2Micropowder is raw material II, the bonding agent of additional described raw material II 3.5～7wt%, more described raw material II and bonding agent are added kneading in batch mixer, obtain Half-dried pug II；
Described half-dried pug I is put into the bottom of mould, more described half-dried pug II is placed on half-dried pug I, put into mould Thickness is mould inner wall height the 25～30% of the half-dried pug I of bottom, the thickness putting into the half-dried pug II in mould is mould The 65～75% of inside wall height；Then two-layer compound side seal slab it is compressed to, by described two-layer compound side seal slab at 110～140 DEG C Under the conditions of dry, under the conditions of 1400～1500 DEG C be incubated 3～5 hours, make two-layer compound side seal board sintered blank；
Finally two-layer compound side seal board sintered blank is carried out machining, prepare two-layer compound side seal board.
The preparation method of two-layer compound side seal board the most according to claim 1, it is characterised in that described aluminum silicon/zirconium matter is fire-resistant Raw material is the one in mullite, zirconium mullite, fused alumina zirconia；Granularity≤the 3mm of described aluminum silicon/zirconium matter refractory raw material granule, institute State the granularity≤0.088mm of aluminum silicon/fire-resistant fine powder of zirconium raw material.
The preparation method of two-layer compound side seal board the most according to claim 1, it is characterised in that described vitreous silica is with height The amorphous siliceous glass phase material that pure silicon raw material is formed after high melt, the granularity≤3mm of vitreous silica granule, tekite Granularity≤the 0.088mm of English fine powder.
The preparation method of two-layer compound 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 two-layer compound 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 two-layer compound side seal board the most according to claim 1, it is characterised in that described compacting is that employing is fire-resistant It is compressing that material molding machine is carried out.
7. a two-layer compound side seal board, it is characterised in that described two-layer compound side seal board is according to arbitrary in claim 1～6 The two-layer compound side seal board prepared by preparation method of the described two-layer compound side seal board of item.
CN201610263796.9A 2016-04-26 2016-04-26 A kind of two-layer compound side seal board and preparation method thereof Expired - Fee Related CN105924187B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
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

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Publication number Priority date Publication date Assignee Title
CN1069681A (en) * 1991-08-28 1993-03-10 上海钢铁研究所 Thin strip continuous casting device
WO2010148454A1 (en) * 2009-06-24 2010-12-29 Bluescope Steel Limited Long wear side dam with insert
WO2015020752A1 (en) * 2013-08-09 2015-02-12 Vesuvius Crucible Company Composite side dam
CN104876556A (en) * 2015-05-14 2015-09-02 武汉钢铁(集团)公司 Manufacturing method of mullite-boron nitride composite ceramic side sealing plate for thin-strip continuous casting

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1069681A (en) * 1991-08-28 1993-03-10 上海钢铁研究所 Thin strip continuous casting device
WO2010148454A1 (en) * 2009-06-24 2010-12-29 Bluescope Steel Limited Long wear side dam with insert
WO2015020752A1 (en) * 2013-08-09 2015-02-12 Vesuvius Crucible Company Composite side dam
CN104876556A (en) * 2015-05-14 2015-09-02 武汉钢铁(集团)公司 Manufacturing method of mullite-boron nitride composite ceramic side sealing plate for thin-strip continuous casting

Cited By (1)

* Cited by examiner, † Cited by third party
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

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