CN104973876A - Ultra-high aluminum cement casting material preparation method - Google Patents
Ultra-high aluminum cement casting material preparation method Download PDFInfo
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- CN104973876A CN104973876A CN201510407616.5A CN201510407616A CN104973876A CN 104973876 A CN104973876 A CN 104973876A CN 201510407616 A CN201510407616 A CN 201510407616A CN 104973876 A CN104973876 A CN 104973876A
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Abstract
The present invention discloses an ultra-high aluminum cement casting material preparation method, wherein the mixed material comprises: 20-45 parts of a clay clinker, 15-35 parts of an alumina homogenized material, 15-25 parts of sillimanite, 10-25 parts of andalusite, 5-15 parts of mullite, 8-18 parts of corundum, 7-15 parts of zircon mullite, 5-10 parts of silicon carbide, 2-9 parts of fused magnesia, 2-9 parts of alpha-AL2O3, 3-10 parts of kyanite, 6-12 parts of raw clay, 1-5 parts of sodium citrate, 2-5 parts of sodium tartrate, 1-3 parts of melamine, 2-7 parts of triethanolamine, 4-9 parts of sodium tripolyphosphate, 2-9 parts of borax, and 1-5 parts of lignosulfonate. The ultra-high aluminum cement casting material of the present invention has the good sintering property.
Description
[technical field]
The present invention relates to the technical field of mould material.
[background technology]
Mould material, also known as refractory castable, is a kind ofly add by refractory material the granular and powder material that a certain amount of bonding agent makes, has comparatively high workability, with the unshape refractory that pouring type is shaping.Compare with other unshape refractories, bonding agent and moisture content higher, mobility is better, so mould material range of application is comparatively wide, can be selected according to working conditions to material used and bonding agent.Both directly can pour into lining body to use, available cast or bumping method make prefabricated section use again.The castable hydration resistance of prior art is poor, easily ftractures.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, proposes a kind of preparation method of superelevation aluminium cement deposit material, has good sintering character.
For achieving the above object, the present invention proposes a kind of preparation method of superelevation aluminium cement deposit material, comprise the following steps successively:
A) preparating mixture material, mixture comprises following component and each component ratio is: chamotte: 20 ~ 45 parts, alumina homogenization material: 15 ~ 35 parts, sillimanite: 15 ~ 25 parts, andaluzite: 10 ~ 25 parts, mullite: 5 ~ 15 parts, corundum: 8 ~ 18 parts, zirconium mullite: 7 ~ 15 parts, silicon carbide: 5 ~ 10 parts, electrosmelted magnesite clinker: 2 ~ 9 parts, α-AL2O3:2 ~ 9 part, kyanite: 3 ~ 10 parts, raw clay: 6 ~ 12 parts, Trisodium Citrate: 1 ~ 5 part, sodium tartrate: 2 ~ 5 parts, melamine: 1 ~ 3 part, trolamine: 2 ~ 7 parts, tripoly phosphate sodium STPP: 4 ~ 9 parts, borax: 2 ~ 9 parts, ligninsulfonate: 1 ~ 5 part,
B) by step a) in mixture first carry out break process through crusher, then mixture is dropped in shredder and carry out grinding 2 ~ 4h, then mixture is dropped in stirrer, and fully stir after adding 120 parts of water, the material injection mould after stirring is formed stock;
C) stock in b) step is carried out sintering processes, described sintering processes comprises with the next stage:
C1) be positioned in agglomerating plant by stock, agglomerating plant is heated to 100 ~ 150 DEG C with the heat-up rate of 30 DEG C/h, insulation 3 ~ 5h;
C2) then agglomerating plant is heated to 300 ~ 400 DEG C with the heat-up rate of 50 DEG C/h, insulation 4 ~ 6h;
C3) then agglomerating plant is heated to 500 ~ 600 DEG C with the heat-up rate of 50 DEG C/h, insulation 4 ~ 6h;
C4) then agglomerating plant is heated to 800 ~ 1000 DEG C with the heat-up rate of 100 DEG C/h, insulation 4 ~ 6h;
C5) then agglomerating plant is heated to 1000 ~ 1500 DEG C with the heat-up rate of 100 DEG C/h, insulation 4 ~ 6h, after naturally cooling to shaping mould material.
Beneficial effect of the present invention: homogenizing alumina is done raw material by the present invention in the form of granules, add with in the Non oxide refractories such as more isolated Si3N4, SiC existed mutually, the impact of glassy phase on system high-temperature performance can be reduced, the tripoly phosphate sodium STPP added in component, borax, ligninsulfonate make mould material have good slow setting and water-reducing property, improve the sintering character of mould material, add α-AL2O3 to improve mould material high-temperature behavior.
[embodiment]
A preparation method for superelevation aluminium cement deposit material, comprises the following steps successively:
A) preparating mixture material, mixture comprises following component and each component ratio is: chamotte: 20 ~ 45 parts, alumina homogenization material: 15 ~ 35 parts, sillimanite: 15 ~ 25 parts, andaluzite: 10 ~ 25 parts, mullite: 5 ~ 15 parts, corundum: 8 ~ 18 parts, zirconium mullite: 7 ~ 15 parts, silicon carbide: 5 ~ 10 parts, electrosmelted magnesite clinker: 2 ~ 9 parts, α-AL2O3:2 ~ 9 part, kyanite: 3 ~ 10 parts, raw clay: 6 ~ 12 parts, Trisodium Citrate: 1 ~ 5 part, sodium tartrate: 2 ~ 5 parts, melamine: 1 ~ 3 part, trolamine: 2 ~ 7 parts, tripoly phosphate sodium STPP: 4 ~ 9 parts, borax: 2 ~ 9 parts, ligninsulfonate: 1 ~ 5 part,
B) by step a) in mixture first carry out break process through crusher, then mixture is dropped in shredder and carry out grinding 2 ~ 4h, then mixture is dropped in stirrer, and fully stir after adding 120 parts of water, the material injection mould after stirring is formed stock;
C) stock in b) step is carried out sintering processes, described sintering processes comprises with the next stage:
C1) be positioned in agglomerating plant by stock, agglomerating plant is heated to 100 ~ 150 DEG C with the heat-up rate of 30 DEG C/h, insulation 3 ~ 5h;
C2) then agglomerating plant is heated to 300 ~ 400 DEG C with the heat-up rate of 50 DEG C/h, insulation 4 ~ 6h;
C3) then agglomerating plant is heated to 500 ~ 600 DEG C with the heat-up rate of 50 DEG C/h, insulation 4 ~ 6h;
C4) then agglomerating plant is heated to 800 ~ 1000 DEG C with the heat-up rate of 100 DEG C/h, insulation 4 ~ 6h;
C5) then agglomerating plant is heated to 1000 ~ 1500 DEG C with the heat-up rate of 100 DEG C/h, insulation 4 ~ 6h, after naturally cooling to shaping mould material.
Embodiment one:
A kind of preparation method of superelevation aluminium cement deposit material, mixture comprises following component and each component ratio is: chamotte: 20 parts, alumina homogenization material: 15 parts, sillimanite: 15 parts, andaluzite: 10 parts, mullite: 5 parts, corundum: 8 parts, zirconium mullite: 7 parts, silicon carbide: 5 parts, electrosmelted magnesite clinker: 2 parts, α-AL2O3:2 part, kyanite: 3 parts, raw clay: 6 parts, Trisodium Citrate: 1 part, sodium tartrate: 2 parts, melamine: 1 part, trolamine: 2 parts, tripoly phosphate sodium STPP: 4 parts, borax: 2 parts, ligninsulfonate: 1 part, calcined clay adopts gibbsite, nakrite, kaolinite, ligninsulfonate is wooden sodium sulfonate.
Embodiment two:
A kind of preparation method of superelevation aluminium cement deposit material, mixture comprises following component and each component ratio is: chamotte: 35 parts, alumina homogenization material: 25 parts, sillimanite: 18 parts, andaluzite: 19 parts, mullite: 8 parts, corundum: 11 parts, zirconium mullite: 12 parts, silicon carbide: 7 parts, electrosmelted magnesite clinker: 5 parts, α-AL2O3:6 part, kyanite: 6 parts, raw clay: 8 parts, Trisodium Citrate: 3 parts, sodium tartrate: 4 parts, melamine: 2 parts, trolamine: 3 parts, tripoly phosphate sodium STPP: 5 parts, borax: 6 parts, ligninsulfonate: 4 parts, calcined clay adopts nakrite, kaolinite, dickite, malthacite, ligninsulfonate is wooden calcium sulfonate.
Embodiment three:
A kind of preparation method of superelevation aluminium cement deposit material, mixture comprises following component and each component ratio is: chamotte: 45 parts, alumina homogenization material: 35 parts, sillimanite: 25 parts, andaluzite: 25 parts, mullite: 15 parts, corundum: 18 parts, zirconium mullite: 15 parts, silicon carbide: 10 parts, electrosmelted magnesite clinker: 9 parts, α-AL2O3:9 part, kyanite: 10 parts, raw clay: 12 parts, Trisodium Citrate: 5 parts, sodium tartrate: 5 parts, melamine: 3 parts, trolamine: 7 parts, tripoly phosphate sodium STPP: 9 parts, borax: 9 parts, ligninsulfonate: 5 parts, calcined clay adopts gibbsite, nakrite, kaolinite, dickite, malthacite, ligninsulfonate is wooden sodium sulfonate and wooden calcium sulfonate.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, anyly all belongs to protection scope of the present invention to the scheme after simple transformation of the present invention.
Claims (4)
1. a preparation method for superelevation aluminium cement deposit material, comprises the following steps successively:
A) preparating mixture material, mixture comprises following component and each component ratio is: chamotte: 20 ~ 45 parts, alumina homogenization material: 15 ~ 35 parts, sillimanite: 15 ~ 25 parts, andaluzite: 10 ~ 25 parts, mullite: 5 ~ 15 parts, corundum: 8 ~ 18 parts, zirconium mullite: 7 ~ 15 parts, silicon carbide: 5 ~ 10 parts, electrosmelted magnesite clinker: 2 ~ 9 parts, α-AL
2o
3: 2 ~ 9 parts, kyanite: 3 ~ 10 parts, raw clay: 6 ~ 12 parts, Trisodium Citrate: 1 ~ 5 part, sodium tartrate: 2 ~ 5 parts, melamine: 1 ~ 3 part, trolamine: 2 ~ 7 parts, tripoly phosphate sodium STPP: 4 ~ 9 parts, borax: 2 ~ 9 parts, ligninsulfonate: 1 ~ 5 part;
B) by step a) in mixture first carry out break process through crusher, then mixture is dropped in shredder and carry out grinding 2 ~ 4h, then mixture is dropped in stirrer, and fully stir after adding 120 parts of water, the material injection mould after stirring is formed stock;
C) stock in b) step is carried out sintering processes, described sintering processes comprises with the next stage:
C1) be positioned in agglomerating plant by stock, agglomerating plant is heated to 100 ~ 150 DEG C with the heat-up rate of 30 DEG C/h, insulation 3 ~ 5h;
C2) then agglomerating plant is heated to 300 ~ 400 DEG C with the heat-up rate of 50 DEG C/h, insulation 4 ~ 6h;
C3) then agglomerating plant is heated to 500 ~ 600 DEG C with the heat-up rate of 50 DEG C/h, insulation 4 ~ 6h;
C4) then agglomerating plant is heated to 800 ~ 1000 DEG C with the heat-up rate of 100 DEG C/h, insulation 4 ~ 6h;
C5) then agglomerating plant is heated to 1000 ~ 1500 DEG C with the heat-up rate of 100 DEG C/h, insulation 4 ~ 6h, after naturally cooling to shaping mould material.
2. the preparation method of a kind of superelevation aluminium cement deposit material as claimed in claim 1, is characterized in that: described calcined clay to adopt in gibbsite, nakrite, kaolinite, dickite, malthacite any one or several mixtures.
3. the preparation method of a kind of superelevation aluminium cement deposit material as claimed in claim 1, is characterized in that: described ligninsulfonate is the mixture of any one or two kinds in wooden sodium sulfonate, wooden calcium sulfonate.
4. the preparation method of a kind of superelevation aluminium cement deposit material as claimed in claim 1, is characterized in that: described sintering processes comprises with the next stage:
C1) be positioned in agglomerating plant by stock, agglomerating plant is heated to 130 DEG C with the heat-up rate of 30 DEG C/h, insulation 3h;
C2) then agglomerating plant is heated to 340 DEG C with the heat-up rate of 50 DEG C/h, insulation 4h;
C3) then agglomerating plant is heated to 520 DEG C with the heat-up rate of 50 DEG C/h, insulation 4h;
C4) then agglomerating plant is heated to 950 DEG C with the heat-up rate of 100 DEG C/h, insulation 4h;
C5) then agglomerating plant is heated to 1200 DEG C with the heat-up rate of 100 DEG C/h, insulation 5h, after naturally cooling to shaping mould material.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105601298A (en) * | 2015-12-30 | 2016-05-25 | 宜兴市集创新材料科技有限公司 | High-intensity fire-resistant plastic material |
| CN111410521A (en) * | 2020-04-26 | 2020-07-14 | 河南兴亚能源有限公司 | Homogenized alumina non-oxide composite material castable and preparation method thereof |
| CN112341222A (en) * | 2020-11-11 | 2021-02-09 | 湖南湘钢瑞泰科技有限公司 | Hot metal ladle castable and preparation method thereof |
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| CN103803882A (en) * | 2014-01-02 | 2014-05-21 | 洛阳理工学院 | Concrete castable for buildings and preparation method thereof |
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| CN101407424A (en) * | 2007-10-08 | 2009-04-15 | 联合矿产（天津）有限公司 | Low-dust unshaped refractory |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105601298A (en) * | 2015-12-30 | 2016-05-25 | 宜兴市集创新材料科技有限公司 | High-intensity fire-resistant plastic material |
| CN111410521A (en) * | 2020-04-26 | 2020-07-14 | 河南兴亚能源有限公司 | Homogenized alumina non-oxide composite material castable and preparation method thereof |
| CN112341222A (en) * | 2020-11-11 | 2021-02-09 | 湖南湘钢瑞泰科技有限公司 | Hot metal ladle castable and preparation method thereof |
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