CN103880450A - Aluminum silicon carbide carbon brick for torpedo ladle - Google Patents
Aluminum silicon carbide carbon brick for torpedo ladle Download PDFInfo
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- CN103880450A CN103880450A CN201410118425.2A CN201410118425A CN103880450A CN 103880450 A CN103880450 A CN 103880450A CN 201410118425 A CN201410118425 A CN 201410118425A CN 103880450 A CN103880450 A CN 103880450A
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- silicon carbide
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- torpedo ladle
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Abstract
The invention discloses an aluminum silicon carbide carbon brick for a torpedo ladle. The aluminum silicon carbide carbon brick is characterized in that the torpedo ladle comprises three parts of an impact area, a molten iron area and a top area, wherein the material for the impact area of the torpedo ladle is aluminum silicon carbide carbon brick and is prepared from the following auxiliary materials by mass percent: 25-28% of 5-3mm alumina clinker, 25-28% of 3-1mm alumina clinker, 8-12% of 1-0mm alumina clinker, 7-12% of 200mesh silicon carbide, 7-10.5% of regenerated graphite, 5-17.5% of Asian white fused alumina, 1-3% of metal silicon and 1.0-2.0% of metal aluminum; 0.2-0.3% of boron carbide and 3-3.5% of silicon nitride are added on the basis of the auxiliary material in the molten iron area in the impact area; 0.3-0.5% of boron carbide, 5-6% of silicon nitride and 3-3.5% of thermosetting phenol resin are added on the basis of the top area in the impact area. The torpedo ladle is prepared by molding and thermal treatment by virtue of a brick machine after mixing for 25-30 minutes. By adopting the aluminum silicon carbide carbon brick, the problems that the common aluminum silicon carbide carbon brick for the torpedo ladle is poor in oxidation resistance, resulting in baking and serious decarburization of empty cans are solved, the medium-high temperature strength of the material is improved, the erosion resistance and the abrasion resistance of the aluminum silicon carbide carbon brick for the torpedo ladle are improved, and unit consumption of a refractory material for the torpedo ladle is reduced.
Description
Technical field
The present invention relates to a kind of alumina-silicon carbide-carbon brick for torpedo tank and preparation method.
Background technology
At present, domestic fish torpedo ladle generally all adopts conventional aluminium silicon carbide carbon brick masonry, and the subject matter of existence is that the oxidation-resistance of 1000 DEG C and above brick is poor, and 1400 DEG C of hot strengths are low, causes in baking and use procedure brick intensity low, and working face is loose, and erosion resistance is poor.After document refractory materials the 6th periodical in 2008 carries 1000 DEG C of burnings of alumina-silicon carbide-carbon brick for torpedo tank that domestic certain factory produces, intensity is lower, erosion resistance does not reach user's requirement, the oxidated layer thickness that document refractory materials the 4th periodical in 2003 carries 1400 DEG C of domestic certain factory's alumina-silicon carbide-carbon brick for torpedo tank is between 4 ㎜-5 ㎜, patent 200710054195.8 is poor with the resistance to molten iron scouring of alumina-silicon carbide-carbon brick for torpedo tank described in patent 200710054194.3, described in patent 201210040720.1, alumina-silicon carbide-carbon brick for torpedo tank oxidation-resistance is poor, therefore, improve the oxidation-resistance of common aluminum-silicon carbide brick, and then it is poor to solve in this material temperature and hot strength, not resistance to erosion is particularly important with the problem of washing away.
Summary of the invention
The object of this invention is to provide a kind of resistance to molten iron and scouring is good, antioxidant property is strong a kind of alumina-silicon carbide-carbon brick for torpedo tank.
Technical scheme of the present invention is realized by following mode:
A kind of alumina-silicon carbide-carbon brick for torpedo tank, is characterized in that: fish torpedo ladle comprises shock zone, molten iron region and top area three parts,
Fish torpedo ladle impact zone material used is aluminum-silicon carbide brick, batching is as follows by mass percentage: the bauxite clinker 25-28% of 5-3 ㎜, 3-1 ㎜ bauxite clinker 25-28%, 1-0 ㎜ bauxite clinker 10-12%, 200 order silicon carbide 9-10%, regeneration graphite 7-8%, sub-white corundum 15-17.5%, Pure Silicon Metal 1-2%, metallic aluminium 1.0-1.5%, the heat-reactive phenolic resin of additional 3-3.5%, after 750 mixing rolls mix for mixing 25～30 minutes, through 630 tons of brick pressing machine moulding, obtain above-mentioned fish torpedo ladle impact zone aluminum-silicon carbide brick 180 DEG C of-220 DEG C × 36h thermal treatments;
Torpedo pot iron aqua region aluminum-silicon carbide brick used, prepare burden by following mass percent: 5-3 ㎜ bauxite clinker 25-28%, 3-1 ㎜ bauxite clinker 25-28%, 1-0 ㎜ bauxite clinker 10-12%, 200 order silicon carbide 7-8%, regeneration graphite 10-10.5%, sub-white corundum 11.8-12%, Pure Silicon Metal 1-1.5%, silicon nitride 3-3.5%, metallic aluminium 1.2-2%, norbide 0.2-0.3, the heat-reactive phenolic resin of additional 3-3.5%, after 750 mixing rolls mix for mixing 25～30 minutes, through 630 tons of brick pressing machine moulding, obtain above-mentioned torpedo pot iron aqua region aluminum-silicon carbide brick 180 DEG C of-220 DEG C × 36h thermal treatments,
Torpedo pot iron aqua region aluminum-silicon carbide brick used, prepare burden by following mass percent: 5-3 ㎜ bauxite clinker 25-28%, 3-1 ㎜ bauxite clinker 25-28%, 1-0 ㎜ bauxite clinker 8-8.5%, 1-0 ㎜ silicon carbide 3-3.5%, 200 order silicon carbide 11-12%, sub-white corundum 5-6%, regeneration graphite 8-8.5%, Pure Silicon Metal 2-3%, silicon nitride 5-6%, metallic aluminium 1.6-2%, norbide 0.3-0.5%, the heat-reactive phenolic resin of additional 3-3.5%, after 750 mixing rolls mix for mixing 25～30 minutes, through 630 tons of brick pressing machine moulding, obtain above-mentioned torpedo pot iron aqua region aluminum-silicon carbide brick 180 DEG C of-220 DEG C × 36h thermal treatments.
Poor in order to overcome common aluminum-silicon carbide brick oxidation-resistance, medium temperature intensity is lower, not erosion resistant defect, the present invention utilizes additive Pure Silicon Metal, silicon nitride, metallic aluminium, norbide is the material such as Formed compound, silicon aluminum oxygen nitrogen in use, solved material oxidation-resistance poor, medium temperature intensity is lower, not erosion resistant problem.
Technical scheme of the present invention has adopted in the batching of aluminum-silicon carbide brick and has added silicon nitride, Pure Silicon Metal, metallic aluminium, norbide, point utilize the antioxidant property of above-mentioned substance under differing temps, in having solved the poor defect of aluminum-silicon carbide brick oxidation-resistance in baking and use procedure, in applied at elevated temperature process, generated the new material such as carbide, silicon aluminum oxygen nitrogen, improve the hot strength of material, made material there is aggressiveness and the erosion of good anti-molten iron and scum.
The invention has the beneficial effects as follows in solving that common alumina-silicon carbide-carbon brick for torpedo tank oxidation-resistance is poor and causing baking and the serious problem of slack tank decarburization, improve hot strength in material, and then resistance to fouling and the abrasion resistance of alumina-silicon carbide-carbon brick for torpedo tank are improved, particularly meet the requirement of fish torpedo ladle top aluminum-silicon carbide brick to oxidation-resistance, not dross, easy maintenance, long service life, has reduced the unit consumption of the resistance to material of fish torpedo ladle.Compared with patent 200710054195.8, patent 200710054194.3: aluminum-silicon carbide brick of the present invention is owing to adding nitride, and the anti-molten iron of high temperature and scouring are better, owing to adding norbide, oxidation-resistance is better.Compared with patent 201210040720.1: owing to adding norbide, oxidation-resistance is better.
Brief description of the drawings:
Fig. 1 is the structural representation of fish torpedo ladle of the present invention,
Wherein: 1-shock zone, 2-molten iron region, 3-top area.
Embodiment
Embodiment 1:
A kind of alumina-silicon carbide-carbon brick for torpedo tank, is characterized in that: fish torpedo ladle comprises shock zone, molten iron region and top area three parts,
Fish torpedo ladle impact zone material used is aluminum-silicon carbide brick, by mass percentage batching: the bauxite clinker 25% of 5-3 ㎜, 3-1 ㎜ bauxite clinker 28%, 1-0 ㎜ bauxite clinker 12%, 200 order silicon carbide 9.5%, regeneration graphite 7%, sub-white corundum 15%, Pure Silicon Metal 2%, metallic aluminium 1.5%, the heat-reactive phenolic resin of additional 3-3.5%, after 750 mixing rolls mix for mixing 25～30 minutes, through 630 tons of brick pressing machine moulding, obtain above-mentioned aluminum-silicon carbide brick 180 DEG C of-220 DEG C × 36h thermal treatments;
Torpedo pot iron aqua region aluminum-silicon carbide brick used, prepare burden by following mass percent: 5-3 ㎜ bauxite clinker 28%, 3-1 ㎜ bauxite clinker 25%, 1-0 ㎜ bauxite clinker 12%, 200 order silicon carbide 7%, regeneration graphite 10%, sub-white corundum 11.8%, Pure Silicon Metal 1%, silicon nitride 3%, metallic aluminium 2%, norbide 0.2, the heat-reactive phenolic resin of additional 3-3.5%, after 750 mixing rolls mix for mixing 25～30 minutes, through 630 tons of brick pressing machine moulding, obtain above-mentioned aluminum-silicon carbide brick 180 DEG C of-220 DEG C × 36h thermal treatments;
Fish torpedo ladle top area aluminum-silicon carbide brick used, prepares burden by following mass percent: 5-3 ㎜ bauxite clinker 28%, 3-1 ㎜ bauxite clinker 25%, 1-0 ㎜ bauxite clinker 8.5%, 1-0 ㎜ silicon carbide 3.5,200 order 97 silicon carbide 11.5%, sub-white corundum 5%, regeneration graphite 8%, Pure Silicon Metal 3%, silicon nitride 5%, metallic aluminium 2%, norbide 0.5%, the heat-reactive phenolic resin of additional 3-3.5%, after 750 mixing rolls mix for mixing 25～30 minutes, through 630 tons of brick pressing machine moulding, obtain above-mentioned aluminum-silicon carbide brick 180 DEG C of-220 DEG C × 36h thermal treatments.
Embodiment 2:
A kind of alumina-silicon carbide-carbon brick for torpedo tank, is characterized in that: fish torpedo ladle comprises shock zone, molten iron region and top area three parts,
Fish torpedo ladle impact zone material used is aluminum-silicon carbide brick, by mass percentage batching: the bauxite clinker 28% of 5-3 ㎜, 3-1 ㎜ bauxite clinker 25%, 1-0 ㎜ bauxite clinker 10%, 200 order silicon carbide 9.0%, regeneration graphite 8%, sub-white corundum 17.5%, Pure Silicon Metal 1.5%, metallic aluminium 1.0%, the heat-reactive phenolic resin of additional 3-3.5%, after 750 mixing rolls mix for mixing 25～30 minutes, through 630 tons of brick pressing machine moulding, obtain above-mentioned aluminum-silicon carbide brick 180 DEG C of-220 DEG C × 36h thermal treatments;
Torpedo pot iron aqua region aluminum-silicon carbide brick used, prepare burden by following mass percent: 5-3 ㎜ bauxite clinker 25%, 3-1 ㎜ bauxite clinker 28%, 1-0 ㎜ bauxite clinker 10%, 200 order silicon carbide 8%, regeneration graphite 10.5%, sub-white corundum 12%, Pure Silicon Metal 1.2%, silicon nitride 3.5%, metallic aluminium 1.5%, norbide 0.3, the heat-reactive phenolic resin of additional 3-3.5%, after 750 mixing rolls mix for mixing 25～30 minutes, through 630 tons of brick pressing machine moulding, obtain above-mentioned aluminum-silicon carbide brick 180 DEG C of-220 DEG C × 36h thermal treatments;
Fish torpedo ladle top area aluminum-silicon carbide brick used, prepare burden by following mass percent: 5-3 ㎜ bauxite clinker 25%, 3-1 ㎜ bauxite clinker 28%, 1-0 ㎜ bauxite clinker 8%, 1-0 ㎜ silicon carbide 3.0%, 200 order 97 silicon carbide 12%, sub-white corundum 6%, regeneration graphite 8.5%, Pure Silicon Metal 2.5%, silicon nitride 5.5%, metallic aluminium 1.6%, norbide 0..4%, the heat-reactive phenolic resin of additional 3-3.5%, after 750 mixing rolls mix for mixing 25～30 minutes, through 630 tons of brick pressing machine moulding, obtain above-mentioned aluminum-silicon carbide brick 180 DEG C of-220 DEG C × 36h thermal treatments.
A kind of alumina-silicon carbide-carbon brick for torpedo tank, is characterized in that: fish torpedo ladle comprises shock zone, molten iron region and top area three parts,
Fish torpedo ladle impact zone material used is aluminum-silicon carbide brick, by mass percentage batching: the bauxite clinker 25% of 5-3 ㎜, 3-1 ㎜ bauxite clinker 28%, 1-0 ㎜ bauxite clinker 12%, 200 order silicon carbide 10%, regeneration graphite 7%, sub-white corundum 15.6%, Pure Silicon Metal 1.0%, metallic aluminium 1.4%, the heat-reactive phenolic resin of additional 3-3.5%, after 750 mixing rolls mix for mixing 25～30 minutes, through 630 tons of brick pressing machine moulding, obtain above-mentioned aluminum-silicon carbide brick 180 DEG C of-220 DEG C × 36h thermal treatments;
Torpedo pot iron aqua region aluminum-silicon carbide brick used, prepare burden by following mass percent: 5-3 ㎜ bauxite clinker 28%, 3-1 ㎜ bauxite clinker 25%, 1-0 ㎜ bauxite clinker 12%, 200 order silicon carbide 7%, regeneration graphite 10%, sub-white corundum 12%, Pure Silicon Metal 1.5%, silicon nitride 3%, metallic aluminium 1.2%, norbide 0.3, the heat-reactive phenolic resin of additional 3-3.5%, after 750 mixing rolls mix for mixing 25～30 minutes, through 630 tons of brick pressing machine moulding, obtain above-mentioned aluminum-silicon carbide brick 180 DEG C of-220 DEG C × 36h thermal treatments;
Fish torpedo ladle top area aluminum-silicon carbide brick used, prepare burden by following mass percent: 5-3 ㎜ bauxite clinker 28%, 3-1 ㎜ bauxite clinker 25%, 1-0 ㎜ bauxite clinker 8.5%, 1-0 ㎜ silicon carbide 3.5,200 order 97 silicon carbide 11%, sub-white corundum 5.5%, regeneration graphite 8%, Pure Silicon Metal 2.5%, silicon nitride 6%, metallic aluminium 1.7%, norbide 0.3%, the heat-reactive phenolic resin of additional 3-3.5%, after 750 mixing rolls mix for mixing 25～30 minutes, through 630 tons of brick pressing machine moulding, obtain above-mentioned aluminum-silicon carbide brick 180 DEG C of-220 DEG C × 36h thermal treatments.
Claims (1)
1. an alumina-silicon carbide-carbon brick for torpedo tank, is characterized in that: fish torpedo ladle comprises shock zone, molten iron region and top area three parts,
Described fish torpedo ladle impact zone material used is aluminum-silicon carbide brick, batching is as follows by mass percentage: the bauxite clinker 25-28% of 5-3 ㎜, 3-1 ㎜ bauxite clinker 25-28%, 1-0 ㎜ bauxite clinker 10-12%, 200 order silicon carbide 9-10%, regeneration graphite 7-8%, sub-white corundum 15-17.5%, Pure Silicon Metal 1-2%, metallic aluminium 1.0-1.5%, the heat-reactive phenolic resin of additional 3-3.5%, after 750 mixing rolls mix for mixing 25～30 minutes, through 630 tons of brick pressing machine moulding, obtain above-mentioned fish torpedo ladle impact zone aluminum-silicon carbide brick 180 DEG C of-220 DEG C × 36h thermal treatments;
Described torpedo pot iron aqua region aluminum-silicon carbide brick used, prepare burden by following mass percent: 5-3 ㎜ bauxite clinker 25-28%, 3-1 ㎜ bauxite clinker 25-28%, 1-0 ㎜ bauxite clinker 10-12%, 200 order silicon carbide 7-8%, regeneration graphite 10-10.5%, sub-white corundum 11.8-12%, Pure Silicon Metal 1-1.5%, silicon nitride 3-3.5%, metallic aluminium 1.2-2%, norbide 0.2-0.3, the heat-reactive phenolic resin of additional 3-3.5%, after 750 mixing rolls mix for mixing 25～30 minutes, through 630 tons of brick pressing machine moulding, obtain above-mentioned torpedo pot iron aqua region aluminum-silicon carbide brick 180 DEG C of-220 DEG C × 36h thermal treatments,
Described fish torpedo ladle top area aluminum-silicon carbide brick used, prepare burden by following mass percent: 5-3 ㎜ bauxite clinker 25-28%, 3-1 ㎜ bauxite clinker 25-28%, 1-0 ㎜ bauxite clinker 8-8.5%, 1-0 ㎜ silicon carbide 3-3.5%, 200 order silicon carbide 11-12%, sub-white corundum 5-6%, regeneration graphite 8-8.5%, Pure Silicon Metal 2-3%, silicon nitride 5-6%, metallic aluminium 1.6-2%, norbide 0.3-0.5%, the heat-reactive phenolic resin of additional 3-3.5%, after 750 mixing rolls mix for mixing 25～30 minutes, through 630 tons of brick pressing machine moulding, obtain above-mentioned torpedo pot iron aqua region aluminum-silicon carbide brick 180 DEG C of-220 DEG C × 36h thermal treatments.
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| CN201410118425.2A CN103880450A (en) | 2014-03-27 | 2014-03-27 | Aluminum silicon carbide carbon brick for torpedo ladle |
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| CN201410118425.2A CN103880450A (en) | 2014-03-27 | 2014-03-27 | Aluminum silicon carbide carbon brick for torpedo ladle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104926329A (en) * | 2015-06-16 | 2015-09-23 | 湖南湘钢瑞泰科技有限公司 | Aluminum-silicon carbide brick and preparation method thereof |
| CN109665853A (en) * | 2018-12-21 | 2019-04-23 | 武汉钢铁集团耐火材料有限责任公司 | Hot-metal bottle working lining brick of the dust-removing powder containing stopper and preparation method thereof |
| CN112624773A (en) * | 2020-10-26 | 2021-04-09 | 郑州金泰科技特种耐火材料有限公司 | Aluminum silicon carbide carbon brick and preparation method thereof |
| CN113461411A (en) * | 2021-09-03 | 2021-10-01 | 北京利尔高温材料股份有限公司 | Oxidation-resistant aluminum silicon carbide carbon brick and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101058116A (en) * | 2007-04-09 | 2007-10-24 | 巩义市五耐科技开发有限公司 | Inner lining structure for torpedo pot and aluminium carbonize silicon carbide brick and high aluminium brick used for torpedo pot |
| CN101066880A (en) * | 2007-04-09 | 2007-11-07 | 巩义市五耐科技开发有限公司 | Alumina-silicon carbide-carbon brick for torpedo tank and torpedo tank lining structure therewith |
| CN102603314A (en) * | 2012-02-22 | 2012-07-25 | 北京首钢耐材炉料有限公司 | Aluminum silicon carbide carbon brick for torpedo tank and preparation method thereof |
-
2014
- 2014-03-27 CN CN201410118425.2A patent/CN103880450A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058116A (en) * | 2007-04-09 | 2007-10-24 | 巩义市五耐科技开发有限公司 | Inner lining structure for torpedo pot and aluminium carbonize silicon carbide brick and high aluminium brick used for torpedo pot |
| CN101066880A (en) * | 2007-04-09 | 2007-11-07 | 巩义市五耐科技开发有限公司 | Alumina-silicon carbide-carbon brick for torpedo tank and torpedo tank lining structure therewith |
| CN102603314A (en) * | 2012-02-22 | 2012-07-25 | 北京首钢耐材炉料有限公司 | Aluminum silicon carbide carbon brick for torpedo tank and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104926329A (en) * | 2015-06-16 | 2015-09-23 | 湖南湘钢瑞泰科技有限公司 | Aluminum-silicon carbide brick and preparation method thereof |
| CN109665853A (en) * | 2018-12-21 | 2019-04-23 | 武汉钢铁集团耐火材料有限责任公司 | Hot-metal bottle working lining brick of the dust-removing powder containing stopper and preparation method thereof |
| CN112624773A (en) * | 2020-10-26 | 2021-04-09 | 郑州金泰科技特种耐火材料有限公司 | Aluminum silicon carbide carbon brick and preparation method thereof |
| CN113461411A (en) * | 2021-09-03 | 2021-10-01 | 北京利尔高温材料股份有限公司 | Oxidation-resistant aluminum silicon carbide carbon brick and preparation method thereof |
| CN113461411B (en) * | 2021-09-03 | 2021-12-31 | 北京利尔高温材料股份有限公司 | Oxidation-resistant aluminum silicon carbide carbon brick and preparation method thereof |
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Application publication date: 20140625 |