CN103113122A - Sliding plate brick for casting high manganese steel - Google Patents
Sliding plate brick for casting high manganese steel Download PDFInfo
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- CN103113122A CN103113122A CN201310085685XA CN201310085685A CN103113122A CN 103113122 A CN103113122 A CN 103113122A CN 201310085685X A CN201310085685X A CN 201310085685XA CN 201310085685 A CN201310085685 A CN 201310085685A CN 103113122 A CN103113122 A CN 103113122A
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Abstract
The invention discloses a sliding plate brick for casting high manganese steel. The brick comprises tabular corundum, metal aluminium powder and carbon black; the body of the sliding plate brick further comprises a TiB2 and AlMg alloy composite antioxidant and electric melting spinel, wherein the weight ratio of TiB2 to AlMg in the TiB2 and AlMg alloy composite antioxidant is 1:6; the composite antioxidant accounts for 7-8 parts by weight; the electric melting spinel is added through three modes such as particles, fine powder and micro powder, wherein the particles with the specification of no more than 1 millimeter account for 39-42 parts by weight, the fine powder with the specification of being less than or equal to 28 micrometers accounts for 12-15 parts by weight, and the micro powder with the specification of being less than or equal to 10 micrometers accounts for 4-6 parts by weight; and the tabular corundum accounts for 23-26 parts by weight, the metal aluminium powder accounts for 5-8 parts by weight, and the carbon black accounts for 1-2 parts by weight. Compared with the prior art, the brick has the obvious advantages of good heat impact resistance and slag erosiveness and long service life.
Description
Technical field:
The present invention relates to a kind of casting equipment, particularly a kind of casting high mangaenese steel slide brick.
Background technology:
High mangaenese steel is because its good wear resisting property is widely adopted in fields such as quarrying, mining, excavation, coal, castings.But in smelting high mangaenese steel, furnace temperature is up to 1580-1600 ℃, and carry out deoxidation, dehydrogenation, denitrogenation and carry out calmness, in order to make oxide compound, inclusion that sufficient time floating be arranged, form the comparatively complicated slag of composition, slide plate is the key function parts of controlling molten steel flow and flow velocity in the continuous casting operation, it must stand the long-time strong thermal shocking of high-temperature molten steel and the erosion of slag, the lost of life that causes slide brick generally at 1-2 time, has a strong impact on production efficiency and cost.Thereby the slide brick that development adapts to high mangaenese steel continuous casting Production Life becomes the problem that needs to be resolved hurrily.
Summary of the invention:
The purpose of this invention is to provide a kind of heat shock resistance and the good a kind of casting high mangaenese steel slide brick of opposing manganese sulfide slag corrosion performance.
The technical scheme that realizes the object of the invention is, a kind of casting high mangaenese steel slide brick comprises plate diamond spar, metallic aluminium powder and carbon black, and it is characterized in that: the slide brick body also contains TiB
2With AlMg alloy compound antioxidizer and electric smelting spinel, described TiB
2With the weight ratio of AlMg alloy compound antioxidizer be TiB
2: AlMg=1:6, the weight part of compound antioxidizer is 7-8 parts, described electric smelting spinel is to add with particle, fine powder and three kinds of forms of micro mist, wherein specification is 39-42 parts, is 12-15 parts less than or equal to the weight part of the fine powders of 28 microns for the weight part of the particle of≤1 millimeter, weight part less than or equal to the micro mists of 10 microns is 4-6 parts, the weight part of described plate diamond spar is 23-26 parts, and the weight part of described metallic aluminium powder is 5-8 parts, and the weight part of described carbon black is 1-2 parts.
The present invention has compared with the prior art heat shock resistance and the slag corrosion performance is good and the remarkable advantage of long service life.
Embodiment:
For the heat shock resistance that improves slide brick and the performance of slag corrosion, through great many of experiments, added TiB in existing slide brick bulk material
2With AlMg alloy compound antioxidizer, and add the strong and good electric smelting spinel of thermal shock resistance of antistripping ability, and the granularity of each main component of body has been carried out preferably, make the slide brick that can adapt to the production of high mangaenese steel continuous casting.
The present invention has following examples: major ingredient calculates with weight ratio:
Embodiment 1:
1. with TiB
2Introduce in slide plate production as the high efficiency composition oxidation inhibitor with the AlMg alloy, and select black powder TiB
2With silver gray AlMg alloy, TiB
2Content 〉=99%, AlMg content 〉=98%, fineness is less than or equal to 88 microns.
2. in advance with TiB
2Mix in stirrer in the ratio of quality 1:6 with the AlMg alloy, make the high efficiency composition oxidation inhibitor standby.
3. the slide plate body material is selected Al
2O
3〉=98.5% plate diamond spar particle, specification are the 2-1 millimeter; Select Al
2O
3Content is 72-77%, and MgO content is the electric smelting spinel of 22-27%, specification is respectively≤and the particle of 1 millimeter, less than or equal to the fine powders of 28 microns with less than or equal to the micro mist of 10 microns; Select Al 〉=98%, specification to be the metallic aluminium powder less than or equal to 90 microns; Select C 〉=98.5%, specification be less than or equal to 10 microns carbon black.
4. in advance with 12 parts of electric smelting spinel fine powders less than or equal to 28 microns, 6 parts less than or equal to the electric smelting Spinel micropowder of 10 microns, 8 parts less than or equal to the metallic aluminium powder of 90 microns, 2 parts less than or equal to 10 microns carbon black, 7 parts of high efficiency composition oxidation inhibitors that prepared, put into successively the bipyramid stirrer and carry out pre-mixing, be prepared into powder mix standby;
5. get again the 2-1 millimeter plate diamond spar particle of 23 parts, the 1-0 millimeter electric smelting spinel of 42 parts is put into mixing roll and is mixed, separately getting 1 part of resin adds, separately get again the high temperature adhesives of 3 parts and add and mix, and then add 35 parts of powder mixs of the system of mixing in advance, after sufficiently mixing, by the brick pressing machine moulding, through 180-240 ℃ of drying, 600-750 ℃ of subzero treatment, and then immersion oil, destructive distillation, punching, hoop-driving, grind, the face of being coated with is processed into the special-purpose slide brick of a kind of casting high mangaenese steel.
Embodiment 2:
1. with TiB
2Introduce in slide plate production as the high efficiency composition oxidation inhibitor with the AlMg alloy, and select black powder TiB
2With silver gray AlMg alloy, TiB
2Content 〉=99%, AlMg content 〉=98%, fineness is less than or equal to 88 microns.
2. in advance with TiB
2Mix in stirrer in the ratio of quality 1:6 with the AlMg alloy, make the high efficiency composition oxidation inhibitor standby.
3. the slide plate body material is selected Al
2O
3〉=98.5% plate diamond spar particle, specification are the 2-1 millimeter; Select Al
2O
3Content is 72-77%, and MgO content is the electric smelting spinel of 22-27%, specification is respectively≤and the particle of 1 millimeter, less than or equal to the fine powders of 28 microns with less than or equal to the micro mist of 10 microns; Select Al 〉=98%, specification to be the metallic aluminium powder less than or equal to 90 microns; Select C 〉=98.5%, specification be less than or equal to 10 microns carbon black.
4. in advance with 13 parts of electric smelting spinel fine powders less than or equal to 28 microns, 5 parts less than or equal to the electric smelting Spinel micropowder of 10 microns, 7 parts less than or equal to the metallic aluminium powder of 90 microns, 2 parts less than or equal to 10 microns carbon black, 7 parts of high efficiency composition oxidation inhibitors that prepared, put into successively the bipyramid stirrer and carry out pre-mixing, be prepared into powder mix standby;
5. get again the 2-1 millimeter plate diamond spar particle of 24 parts, the 1-0 millimeter electric smelting spinel of 41 parts is put into mixing roll and is mixed, separately getting 2 parts of resins adds, separately get again the high temperature adhesives of 2 parts and add and mix, and then add 35 parts of powder mixs of the system of mixing in advance, after sufficiently mixing, by the brick pressing machine moulding, through 180-240 ℃ of drying, 600-750 ℃ of subzero treatment, and then immersion oil, destructive distillation, punching, hoop-driving, grind, the face of being coated with is processed into the special-purpose slide brick of a kind of casting high mangaenese steel.
Embodiment 3:
1. with TiB
2Introduce in slide plate production as the high efficiency composition oxidation inhibitor with the AlMg alloy, and select black powder TiB
2With silver gray AlMg alloy, TiB
2Content 〉=99%, AlMg content 〉=98%, fineness is less than or equal to 88 microns.
2. in advance with TiB
2Mix in stirrer in the ratio of quality 1:6 with the AlMg alloy, make the high efficiency composition oxidation inhibitor standby.
3. the slide plate body material is selected Al
2O
3〉=98.5% plate diamond spar particle, specification are the 2-1 millimeter; Select Al
2O
3Content is 72-77%, and MgO content is the electric smelting spinel of 22-27%, specification is respectively≤and the particle of 1 millimeter, less than or equal to the fine powders of 28 microns with less than or equal to the micro mist of 10 microns; Select Al 〉=98%, specification to be the metallic aluminium powder less than or equal to 90 microns; Select C 〉=98.5%, specification be less than or equal to 10 microns carbon black.
4. in advance with 14 parts of electric smelting spinel fine powders less than or equal to 28 microns, 5 parts less than or equal to the electric smelting Spinel micropowder of 10 microns, 5 parts less than or equal to the metallic aluminium powder of 90 microns, 3 parts less than or equal to 10 microns carbon black, 8 parts of high efficiency composition oxidation inhibitors that prepared, put into successively the bipyramid stirrer and carry out pre-mixing, be prepared into powder mix standby;
5. get again the 2-1 millimeter plate diamond spar particle of 25 parts, the 1-0 millimeter electric smelting spinel of 40 parts is put into mixing roll and is mixed, separately getting 3 parts of resins adds, separately get again the high temperature adhesives of 1 part and add and mix, and then add 35 parts of powder mixs of the system of mixing in advance, after sufficiently mixing, by the brick pressing machine moulding, through 180-240 ℃ of drying, 600-750 ℃ of subzero treatment, and then immersion oil, destructive distillation, punching, hoop-driving, grind, the face of being coated with is processed into the special-purpose slide brick of a kind of casting high mangaenese steel.
Embodiment 4:
1. with TiB
2Introduce in slide plate production as the high efficiency composition oxidation inhibitor with the AlMg alloy, and select black powder TiB
2With silver gray AlMg alloy, TiB
2Content 〉=99%, AlMg content 〉=98%, fineness is less than or equal to 88 microns.
2. in advance with TiB
2Mix in stirrer in the ratio of quality 1:6 with the AlMg alloy, make the high efficiency composition oxidation inhibitor standby.
3. the slide plate body material is selected Al
2O
3〉=98.5% plate diamond spar particle, specification are the 2-1 millimeter; Select Al
2O
3Content is 72-77%, and MgO content is the electric smelting spinel of 22-27%, specification is respectively≤and the particle of 1 millimeter, less than or equal to the fine powders of 28 microns with less than or equal to the micro mist of 10 microns; Select Al 〉=98%, specification to be the metallic aluminium powder less than or equal to 90 microns; Select C 〉=98.5%, specification be less than or equal to 10 microns carbon black.
4. in advance with 15 parts of electric smelting spinel fine powders less than or equal to 28 microns, 4 parts less than or equal to the electric smelting Spinel micropowder of 10 microns, 7 parts less than or equal to the metallic aluminium powder of 90 microns, 2 parts less than or equal to 10 microns carbon black, 7 parts of high efficiency composition oxidation inhibitors that prepared, put into successively the bipyramid stirrer and carry out pre-mixing, be prepared into powder mix standby;
5. get again the 2-1 millimeter plate diamond spar particle of 26 parts, the 1-0 millimeter electric smelting spinel of 39 parts is put into mixing roll and is mixed, separately getting 3 parts of resins adds, separately get again the high temperature adhesives of 2 parts and add and mix, and then add 35 parts of powder mixs of the system of mixing in advance, after sufficiently mixing, by the brick pressing machine moulding, through 180-240 ℃ of drying, 600-750 ℃ of subzero treatment, and then immersion oil, destructive distillation, punching, hoop-driving, grind, the face of being coated with is processed into the special-purpose slide brick of a kind of casting high mangaenese steel.
Claims (1)
1. a casting high mangaenese steel slide brick, comprise plate diamond spar, metallic aluminium powder and carbon black, and it is characterized in that: the slide brick body also contains TiB
2With AlMg alloy compound antioxidizer and electric smelting spinel, described TiB
2With the weight ratio of AlMg alloy compound antioxidizer be TiB
2: AlMg=1:6, the weight part of compound anti-fosterization agent is 7-8 parts, described electric smelting spinel is to add with particle, fine powder and three kinds of forms of micro mist, wherein specification is that the weight part of 1-0 millimeter is 39-42 parts, is 12-15 parts less than or equal to the weight part of the fine powders of 28 microns, weight part less than or equal to the micro mists of 10 microns is 4-6 parts, the weight part of described plate diamond spar is 39-42 parts, and the weight part of described metallic aluminium powder is 5-8 parts, and the weight part of described carbon black is 1-2 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310085685.XA CN103113122B (en) | 2013-03-18 | 2013-03-18 | Sliding plate brick for casting high manganese steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310085685.XA CN103113122B (en) | 2013-03-18 | 2013-03-18 | Sliding plate brick for casting high manganese steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103113122A true CN103113122A (en) | 2013-05-22 |
| CN103113122B CN103113122B (en) | 2014-07-16 |
Family
ID=48411536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310085685.XA Expired - Fee Related CN103113122B (en) | 2013-03-18 | 2013-03-18 | Sliding plate brick for casting high manganese steel |
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| CN (1) | CN103113122B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103864445A (en) * | 2014-03-13 | 2014-06-18 | 无锡市南方耐材有限公司 | Nozzle brick for automatic slag baffling sliding nozzle of novel converter and preparation method thereof |
| CN103864444A (en) * | 2014-03-13 | 2014-06-18 | 无锡市南方耐材有限公司 | Novel slide plate brick for automatic slag-retaining slide gate of converter and preparation method of slide plate brick |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429037A (en) * | 2007-11-07 | 2009-05-13 | 鞍钢集团耐火材料公司 | Aluminum-carbon sliding tile and method of producing the same |
| CN102765953A (en) * | 2012-08-07 | 2012-11-07 | 营口鲅鱼圈耐火材料有限公司 | Magnesia carbon brick containing composite antioxidant and preparation thereof |
-
2013
- 2013-03-18 CN CN201310085685.XA patent/CN103113122B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429037A (en) * | 2007-11-07 | 2009-05-13 | 鞍钢集团耐火材料公司 | Aluminum-carbon sliding tile and method of producing the same |
| CN102765953A (en) * | 2012-08-07 | 2012-11-07 | 营口鲅鱼圈耐火材料有限公司 | Magnesia carbon brick containing composite antioxidant and preparation thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103864445A (en) * | 2014-03-13 | 2014-06-18 | 无锡市南方耐材有限公司 | Nozzle brick for automatic slag baffling sliding nozzle of novel converter and preparation method thereof |
| CN103864444A (en) * | 2014-03-13 | 2014-06-18 | 无锡市南方耐材有限公司 | Novel slide plate brick for automatic slag-retaining slide gate of converter and preparation method of slide plate brick |
| CN103864444B (en) * | 2014-03-13 | 2016-01-13 | 无锡市南方耐材有限公司 | A kind of converter automatic pushing off the slag slide gate nozzle slide brick and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103113122B (en) | 2014-07-16 |
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Granted publication date: 20140716 Termination date: 20170318 |
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