CN106747499A - A kind of coating tundish material and preparation method thereof - Google Patents
A kind of coating tundish material and preparation method thereof Download PDFInfo
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- CN106747499A CN106747499A CN201611094127.XA CN201611094127A CN106747499A CN 106747499 A CN106747499 A CN 106747499A CN 201611094127 A CN201611094127 A CN 201611094127A CN 106747499 A CN106747499 A CN 106747499A
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- magnesia brick
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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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- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a kind of tundish paint and preparation method thereof, including the percentage by weight of the powder of the useless mesh of magnesia brick diameter 200 is 15 27%；The percentage by weight of useless particulate matter of the magnesia brick diameter between 0 1mm is 28 34%；The percentage by weight of useless particulate matter of the magnesia brick diameter between 1 3mm is 30 38%；The percentage by weight of the magnesium powder of a diameter of 200 mesh is 5 13%；The percentage by weight of silicon powder is 1 7%；The percentage by weight of waterglass is 0.01 0.8%；The percentage by weight of flaxen fiber is 0.8 2%.The coating tundish material that the present invention is provided, using useless magnesia brick and magnesia as primary raw material, addition is aided with silicon powder, waterglass and flaxen fiber, can play good cementation, strengthens adhesive property；Increase has silicon powder, can strengthen the stability of coating, prevents coating from coming off；Greasy property is good；Prevent from containing impurity in molten steel, it is ensured that the purity of molten steel.
Description
Technical field
The present invention relates to a kind of amorphous refractory, and in particular to a kind of tundish coating in steelmaking process and
Its preparation technology.
Background technology
Tundish is essential equipment in casting process.In steel-making continuous casting technique, initial tundish only plays steel
The effect of the phase buffer between bag and crystallizer.With the optimization and the raising to continuous casting steel billet quality requirement of continuous casting process, in
Between bag have evolved into intermediate equipment for liquid steel refining, its effect mainly has two：One is the refining of molten steel；Two is nonmetallic
The elimination being mingled with.
According to constructing and using technological requirement, tundish blind plate coating needs, with good spreading property, to dry
After do not fall off, it is good with permanent layer adhesive property；There is good greasy property simultaneously, can not be come off with permanent layer under high temperature.
But regrettably, at present the tundish coating of domestic large-scale steel mill have that adhesive property is not strong always, smear after easily take off
Fall, greasy property difference defect.
The content of the invention
In order to overcome disadvantages mentioned above, a kind of coating tundish material that the present invention is provided and preparation method thereof, including useless magnesia brick
The percentage by weight of the powder of the mesh of diameter 200 is 15-27%；The percentage by weight of useless particulate matter of the magnesia brick diameter between 0-1mm
It is 28-34%；The percentage by weight of useless magnesia brick diameter particulate matter between 1-3 mm is 30-38%；The magnesium powder of a diameter of 200 mesh
Percentage by weight be 5-13%；The percentage by weight of silicon powder is 1-7%；The percentage by weight of waterglass is 0.01-0.8%；Fiber crops
The percentage by weight of fiber is 0.8-2%.
Further, the magnesium powder is 96 magnesium powders.
A kind of preparation method of coating tundish material, comprises the following steps：
（1）Useless magnesia brick is crushed, useless magnesia brick particle is obtained；The useless magnesia brick particulate abrasive in part is less than or equal to 200 mesh into diameter
Powder；Another part is by after the sieve screening of 1mm and 3mm, obtaining useless magnesia brick of the diameter between 0-1mm and 1-3mm between
Particle.
（2）Magnesium powder is ground to form into powder of the diameter less than or equal to 200 mesh.
（3）Screening and ground useless magnesia brick particle and powder and magnesia powder are detected.
（4）Various raw materials and silicon powder, waterglass and flaxen fiber after by detection are carried out according to the ratio of claim 1
Proportioning；Mixing 5-10min is carried out to various raw materials after proportioning.
（5）Finished product subpackage packaging after mixing.
A kind of coating tundish material that the present invention is provided, using useless magnesia brick and magnesia as primary raw material, addition is aided with silicon
Micro mist, waterglass and flaxen fiber, can play good cementation, strengthen adhesive property；Increase has silicon powder, can strengthen
The stability of coating, prevents coating from coming off；Greasy property is good；Prevent from containing impurity in molten steel, it is ensured that the purity of molten steel.
Specific embodiment
A kind of coating tundish material and preparation method thereof that the present invention is provided, including the useless mesh of magnesia brick diameter 200 powder
Percentage by weight is 15-27%；The percentage by weight of useless particulate matter of the magnesia brick diameter between 0-1mm is 28-34%；Useless magnesia brick is straight
The percentage by weight of footpath particulate matter between 1-3 mm is 30-38%；The percentage by weight of the magnesium powder of a diameter of 200 mesh is 5-
13%；The percentage by weight of silicon powder is 1-7%；The percentage by weight of waterglass is 0.01-0.8%；The percentage by weight of flaxen fiber
It is 0.8-2%.
Further, the magnesium powder is 96 magnesium powders.
A kind of preparation method of coating tundish material, comprises the following steps：
（1）Useless magnesia brick is crushed, useless magnesia brick particle is obtained；The useless magnesia brick particulate abrasive in part is less than or equal to 200 mesh into diameter
Powder；Another part is by after the sieve screening of 1mm and 3mm, obtaining useless magnesia brick of the diameter between 0-1mm and 1-3mm between
Particle.
（2）Magnesium powder is ground to form into powder of the diameter less than or equal to 200 mesh.
（3）Screening and ground useless magnesia brick particle and powder and magnesia powder are detected.
（4）Various raw materials and silicon powder, waterglass and flaxen fiber after by detection are carried out according to the ratio of claim 1
Proportioning；Mixing 5-10min is carried out to various raw materials after proportioning.
（5）Finished product subpackage packaging after mixing.
Embodiment one
A kind of coating tundish material, its primary raw material includes useless magnesia brick and 96 magnesia, and auxiliary material includes that silicon powder, waterglass and fiber crops are fine
Dimension.The ratio of each component is as follows：The percentage by weight of the useless magnesia brick powder of 200 purposes is 13%；The useless magnesia brick particle of diameter 0-1mm
Percentage by weight be 28%；The percentage by weight of the useless magnesia brick particle of diameter 1-3mm is 31%；The weight of 96 magnesia of 200 mesh
Percentage is 7%；The percentage by weight of silicon powder is 3%；The percentage by weight of waterglass is 0.2%；The percentage by weight of flaxen fiber
It is 0.9%.
A kind of preparation method of coating tundish material, comprises the following steps：
（1）Useless magnesia brick is crushed, useless magnesia brick particle is obtained；The useless magnesia brick particulate abrasive in part is less than or equal to 200 mesh into diameter
Powder；Another part is by after the sieve screening of 1mm and 3mm, obtaining useless magnesia brick of the diameter between 0-1mm and 1-3mm between
Particle.
（2）96 magnesium powders are ground to form into powder of the diameter less than or equal to 200 mesh.
（3）Screening and ground useless magnesia brick particle and powder and magnesia powder are detected.
（4）Various raw materials and silicon powder, waterglass and flaxen fiber after by detection are matched according to aforementioned proportion；It is right
Various raw materials carry out mixing 5-10min after proportioning.
（5）Finished product subpackage packaging after mixing.
Embodiment two
A kind of coating tundish material, its primary raw material includes useless magnesia brick and 96 magnesia, and auxiliary material includes that silicon powder, waterglass and fiber crops are fine
Dimension.The ratio of each component is as follows：The percentage by weight of the useless magnesia brick powder of 200 purposes is 15%；The useless magnesia brick particle of diameter 0-1mm
Percentage by weight be 31%；The percentage by weight of the useless magnesia brick particle of diameter 1-3mm is 34%；The weight of 96 magnesia of 200 mesh
Percentage is 10%；The percentage by weight of silicon powder is 5%；The percentage by weight of waterglass is 0.5%；The weight percent of flaxen fiber
Than being 1.1%.
A kind of preparation method of coating tundish material, comprises the following steps：
（1）Useless magnesia brick is crushed, useless magnesia brick particle is obtained；The useless magnesia brick particulate abrasive in part is less than or equal to 200 mesh into diameter
Powder；Another part is by after the sieve screening of 1mm and 3mm, obtaining useless magnesia brick of the diameter between 0-1mm and 1-3mm between
Particle.
（2）96 magnesium powders are ground to form into powder of the diameter less than or equal to 200 mesh.
（3）Screening and ground useless magnesia brick particle and powder and magnesia powder are detected.
（4）Various raw materials and silicon powder, waterglass and flaxen fiber after by detection are matched according to aforementioned proportion；It is right
Various raw materials carry out mixing 5-10min after proportioning.
（5）Finished product subpackage packaging after mixing.
A kind of coating tundish material, its primary raw material includes useless magnesia brick and 96 magnesia, auxiliary material include silicon powder, waterglass and
Flaxen fiber.The ratio of each component is as follows：The percentage by weight of the useless magnesia brick powder of 200 purposes is 23%；The useless magnesia brick of diameter 0-1mm
The percentage by weight of particle is 32%；The percentage by weight of the useless magnesia brick particle of diameter 1-3mm is 37%；96 magnesia of 200 mesh
Percentage by weight is 11%；The percentage by weight of silicon powder is 6%；The percentage by weight of waterglass is 0.8%；The weight of flaxen fiber
Percentage is 1.7%.
A kind of preparation method of coating tundish material, comprises the following steps：
（1）Useless magnesia brick is crushed, useless magnesia brick particle is obtained；The useless magnesia brick particulate abrasive in part is less than or equal to 200 mesh into diameter
Powder；Another part is by after the sieve screening of 1mm and 3mm, obtaining useless magnesia brick of the diameter between 0-1mm and 1-3mm between
Particle.
（2）96 magnesium powders are ground to form into powder of the diameter less than or equal to 200 mesh.
（3）Screening and ground useless magnesia brick particle and powder and magnesia powder are detected.
（4）Various raw materials and silicon powder, waterglass and flaxen fiber after by detection are matched according to aforementioned proportion；It is right
Various raw materials carry out mixing 5-10min after proportioning.
（5）Finished product subpackage packaging after mixing.
Embodiment performance table
Preferred embodiments of the present invention are these are only, therefore can not according to this limit the scope that the present invention is implemented, i.e., according to explanation of the invention
The equivalence changes that book content is made and decoration, should all belong in the range of present invention covering.
Claims (3)
1. a kind of coating tundish material, it is characterised in that：The percentage by weight of the powder including the mesh of magnesia brick diameter 200 that gives up is 15-
27%；The percentage by weight of useless particulate matter of the magnesia brick diameter between 0-1mm is 28-34%；Useless magnesia brick diameter is between 1-3 mm
The percentage by weight of particulate matter is 30-38%；The percentage by weight of the magnesium powder of a diameter of 200 mesh is 5-13%；The weight of silicon powder
Percentage is 1-7%；The percentage by weight of waterglass is 0.01-0.8%；The percentage by weight of flaxen fiber is 0.8-2%.
2. a kind of coating tundish material as claimed in claim 1, it is characterised in that：The magnesium powder is 96 magnesium powders.
3. a kind of preparation method of coating tundish material, it is characterised in that：Comprise the following steps：
（1）Useless magnesia brick is crushed, useless magnesia brick particle is obtained；The useless magnesia brick particulate abrasive in part is less than or equal to 200 mesh into diameter
Powder；Another part is by after the sieve screening of 1mm and 3mm, obtaining useless magnesia brick of the diameter between 0-1mm and 1-3mm between
Particle.
（2）Magnesium powder is ground to form into powder of the diameter less than or equal to 200 mesh.
（3）Screening and ground useless magnesia brick particle and powder and magnesia powder are detected.
（4）Various raw materials and silicon powder, waterglass and flaxen fiber after by detection are matched somebody with somebody according to the ratio of claim 1
Than；Mixing 5-10min is carried out to various raw materials after proportioning.
（5）Finished product subpackage packaging after mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611094127.XA CN106747499A (en) | 2016-12-02 | 2016-12-02 | A kind of coating tundish material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611094127.XA CN106747499A (en) | 2016-12-02 | 2016-12-02 | A kind of coating tundish material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106747499A true CN106747499A (en) | 2017-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201611094127.XA Pending CN106747499A (en) | 2016-12-02 | 2016-12-02 | A kind of coating tundish material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357588A (en) * | 2019-08-28 | 2019-10-22 | 云南濮耐昆钢高温材料有限公司 | A kind of magnesia coating and preparation method thereof |
| CN113526968A (en) * | 2021-07-21 | 2021-10-22 | 武汉钢铁集团耐火材料有限责任公司 | Thermal-state gunning mix for refining ladle slag line and construction method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372486A (en) * | 2010-08-24 | 2012-03-14 | 鞍钢实业集团有限公司一钢分公司 | Low-cost magnesium tundish paint and its preparation method |
| CN102875161A (en) * | 2012-08-02 | 2013-01-16 | 南车戚墅堰机车车辆工艺研究所有限公司 | Small-size molten steel casting ladle lining and preparation method thereof |
| CN105418085A (en) * | 2014-09-19 | 2016-03-23 | 青岛百键城环保科技有限公司 | Magnesia carbon gunning material |
-
2016
- 2016-12-02 CN CN201611094127.XA patent/CN106747499A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372486A (en) * | 2010-08-24 | 2012-03-14 | 鞍钢实业集团有限公司一钢分公司 | Low-cost magnesium tundish paint and its preparation method |
| CN102875161A (en) * | 2012-08-02 | 2013-01-16 | 南车戚墅堰机车车辆工艺研究所有限公司 | Small-size molten steel casting ladle lining and preparation method thereof |
| CN105418085A (en) * | 2014-09-19 | 2016-03-23 | 青岛百键城环保科技有限公司 | Magnesia carbon gunning material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357588A (en) * | 2019-08-28 | 2019-10-22 | 云南濮耐昆钢高温材料有限公司 | A kind of magnesia coating and preparation method thereof |
| CN113526968A (en) * | 2021-07-21 | 2021-10-22 | 武汉钢铁集团耐火材料有限责任公司 | Thermal-state gunning mix for refining ladle slag line and construction method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |