CN101502877A - Baffle for special-shaped blank continuous casting machine tundish and preparation method thereof - Google Patents
Baffle for special-shaped blank continuous casting machine tundish and preparation method thereof Download PDFInfo
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- CN101502877A CN101502877A CNA2009100144929A CN200910014492A CN101502877A CN 101502877 A CN101502877 A CN 101502877A CN A2009100144929 A CNA2009100144929 A CN A2009100144929A CN 200910014492 A CN200910014492 A CN 200910014492A CN 101502877 A CN101502877 A CN 101502877A
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- tundish
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- 238000009749 continuous casting Methods 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 30
- 238000005266 casting Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000002893 slag Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 21
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 16
- 239000001095 magnesium carbonate Substances 0.000 claims description 15
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 15
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 15
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 15
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 9
- 239000001488 sodium phosphate Substances 0.000 claims description 9
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 9
- 239000013638 trimer Substances 0.000 claims description 9
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 9
- 239000000395 magnesium oxide Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000007667 floating Methods 0.000 abstract description 6
- 238000009851 ferrous metallurgy Methods 0.000 abstract description 2
- 239000003381 stabilizer Substances 0.000 abstract 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- 238000004513 sizing Methods 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 230000002950 deficient Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000012797 qualification Methods 0.000 description 4
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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Abstract
The invention relates to a baffle applied to a tundish of a profiled blank conticaster and a preparing method thereof, belonging to the technical field of the profiled blank continuous casting tundish process in ferrous metallurgy. A guide plate (2) adopts magnesium preformed unit. The baffle is of arc monolithic structure, the arc degree alpha is 90-95 degrees, and a dovetail groove (6) is arranged on the two sides. The guide plate (2) is arranged on the external side of a current stabilizer (1). The upper edge of the guide plate (2) is 120-150mm higher than the upper edge of the current stabilizer (1). Slag blocking dams (3) are respectively arranged between the external side of the dovetail groove (6) of the guide plate (2) and the external side of two sizing nozzles (4) of a middle casting flow. By the shunting function of the guide plate, the compositions and the temperature of molten steel in the tundish of the profiled blank are uniformed. The temperature difference of three casting flows of the profiled blank is lowered from 12 DEG C to 4 DEG C. Casting blank quality defects and steel breakout accidents caused by high molten steel temperature of the middle casting flow are solved. Simultaneously, the upward floating elimination of inclusions is promoted. The qualified rate of the profiled blank is improved and reaches more than 99.7 percent.
Description
Technical field
The present invention relates to a kind of deflector that is used for the special-shaped billet continuous casting machine tundish and preparation method thereof, belong to casting for shaped blank continuous tundish technology field in the Ferrous Metallurgy.
Background technology
Special-shaped billet continuous casting machine is because of the particularity of its section, it is the novel continuous casting process that integrates round base, square billet, slab, tundish has and the different process characteristic of other traditional continuous casting tundish, tundish is long and narrow trapezoidal bag, each casting stream adopts two metering nozzle cast, and the spacing difference of two metering nozzles of each casting stream of different casting blank section.Laigang big H shaped steel special-shaped billet continuous casting machine is the domestic specification maximum of Laigang and VAI cooperation construction, the special-shaped billet continuous casting machine that web is the thinnest, also is the special-shaped base production line of the later on domestic second of Ma Gang that continues.The problem that exists is, the special-shaped billet continuous casting machine tundish does not have guiding device, two metering nozzles of casting stream (hereinafter to be referred as second-rate) in the middle of the cast shock point directly aims at, and two metering nozzles of the casting at two ends, tundish left and right sides stream (following be called for short respectively first-class, three streams) are remote apart from pour point.The second-rate pour point that directly aims at forms short-circuit flow, and not only temperature is higher, and field trash not have the time of come-up, directly is involved in the crystallizer, and the therefore second-rate metering nozzle life-span is the shortest, and second-rate strand is the reddest, and the probability of second-rate bleed-out is maximum also.On the contrary, one, three streams are remote apart from pour point, and the speed that fresh molten steel upgrades is too slow, and temperature is also low.This tundish makes that the composition and the temperature of the interior molten steel of special-shaped base tundish are extremely inhomogeneous, also is unfavorable for the floating foreign eliminating, has influenced the shaped blank qualification rate, and second-rate bleed-out accident causes significant impact to production.
Summary of the invention
Defective at casting for shaped blank continuous tundish process characteristic and prior art, the invention provides a kind of deflector, shunting action by deflector, solve the uneven problem of molten steel flow field in the casting for shaped blank continuous tundish, make and respectively flow temperature difference and be reduced to 4 ℃, reduced the bleed-out that causes because of intermediate flow temperature height thus and stopped watering and the slab quality defective by 12 ℃.
For achieving the above object, the technical solution used in the present invention is:
A kind of deflector that is used for the special-shaped billet continuous casting machine tundish, the arc overall structure, radian measure alpha is 90～95 °, height H is 750～800mm, thickness h is 150～180mm, and dovetail groove is offered in both sides, and dovetail groove upper width a is 100～120mm, lower width b is 200～240mm, and dovetail groove height c is 200～250mm.
Preferably, the radian measure alpha of deflector is 92 °, and height H is 750mm, and thickness h is 160mm, and dovetail groove upper width a is 120mm, and lower width b is 200mm, and dovetail groove height c is 250mm.
The described deflector that is used for the special-shaped billet continuous casting machine tundish, adopt magnesia prefabricated component, form by following material by weight percentage: fused magnesite: 10～5mm granularity 25～30%, 5～3mm granularity 12～15%, 3～1mm granularity 22～28%, 1～0.074mm granularity 20～22%,＜0.074mm granularity 10～12%; Steel fibre 0.5～0.8%; Sodium phosphate trimer 0.1～0.2%; SiO2 ultra micro powder 1.2～2.0%.
Preferably, described deflector is made up of following material: fused magnesite: 10～5mm28% by weight percentage; 5～3mm14%, 3～1mm25%, 1～0.074mm20%,＜0.074mm10.8%; Steel fibre 0.5%; Sodium phosphate trimer 0.2%; SiO
2Ultra micro powder 1.5%.
Preferably, described fused magnesite is the one-level fused magnesite that contains MgO 〉=weight 97%.
Preferably, described SiO
2Ultra micro powder, wherein SiO
2〉=weight 92%, granularity is less than in 5 μ m, and granularity accounts for 80～85% less than 2 μ m.
The present invention also provides the preparation method of described deflector, comprises the following steps:
1) with behind the described deflector material weighing, add to do in the batch mixer and mixed 2～3 minutes, add the water of material gross weight 6～8%, wet mixing 4～6 minutes, mixing;
Loose tool is put in the material feeding of watering that 2) will mix, and uniform distribution is used vibrating head vibration moulding, and when no big bubble was emerged, the green compact of prefabricated component were finished;
3) maintenance 1～2 day under 15～25 ℃ of environment temperatures;
4) baking and cooling, be divided into the next stage: heat up from 15～250 ℃ with 15 ℃/h programming rate (1), heating-up time 9h; (2) at 150～160 ℃ of insulations, time 24h; (3) heat up from 150～160 ℃ with 10 ℃/h programming rate again, be warming up to 300～310 ℃, time 15h; (4) 300～310 ℃ of insulations, time 12h, (5) truce is cooled off naturally, time 12～24h, deflector completes.
Preferably, described deflector material is made up of following material: fused magnesite: 10～5mm granularity 25～30% by weight percentage, 5～3mm granularity 12～15%, 3～1mm granularity 22～28%, 1～0.074mm granularity 20～22%,＜0.074mm granularity 10～12%; Steel fibre 0.5～0.8%; Sodium phosphate trimer 0.1～0.2%; SiO
2Ultra micro powder 1.2～2.0%.
Preferably, described deflector material is made up of following material: fused magnesite: 10～5mm28% by weight percentage; 5～3mm14%, 3～1mm25%, 1～0.074mm20%,＜0.074mm10.8%; Steel fibre 0.5%; Sodium phosphate trimer 0.2%; SiO
2Ultra micro powder 1.5%.
Preferably, described fused magnesite MgO 〉=weight 97%.
Preferably, described SiO
2The ultra micro powder, wherein SiO2 〉=weight 92%, and granularity is less than in 5 μ m, and granularity accounts for 80～85% less than 2 μ m.
The installation method of the above-mentioned deflector that completes.Deflector (2) is installed in the outside of flow straightener (1), and the upper edge of deflector (2) is than the high 120～150mm in upper edge of flow straightener (1); Between the outside of two metering nozzles (4) that dovetail groove (6) outside and the middle casting of deflector (2) are flowed, shelves slag dam (3) is installed respectively.
Preferential, the upper edge of deflector (2) is than the high 150mm in upper edge of flow straightener (1), between the outside of the dovetail groove (6) of deflector (2) outside and two metering nozzles (4) of middle casting stream the centre position dam (3) is installed respectively, be the installation of " eight " font.
The shunting action of deflector.Special-shaped billet continuous casting machine is opened and is watered when producing, big bag beam at first flows in the inner chamber of flow straightener (1), rout up from the inner chamber of flow straightener (1) again, two dovetail grooves (6) through deflector (2) flow out respectively, steel stream is under the stopping of dam (3), after treating that liquid steel level surpasses the height of shelves slag dams (3) in the tundish, in two metering nozzles (4) that casting is flowed in the middle of flowing at last, shunting by deflector, evenly the composition and the temperature of molten steel in the special-shaped base tundish, and promoted the floating foreign eliminating.
Described deflector has the following advantages:
1) the deflector high temperature that can bear high-temperature molten steel (1550～1650 ℃) washes away, and good erosion resisting and thermal shock resistance are arranged, and reaches 36～40 hours service life, can realize synchronously service life with the tundish cylinder-packing.
2) in the casting for shaped blank continuous tundish deflector is set, shunting by deflector, evenly the molten steel flow field in the tundish, realized the even distribution of liquid steel temperature, each flows temperature difference and is reduced to 4 ℃ by 12 ℃, reduce the bleed-out that causes because of centre casting stream temperature height thus and stopped watering and the slab quality defective, promoted the floating foreign eliminating simultaneously, improved special-shaped base qualification rate.
The present invention is successful Application on the big H shaped steel of Laiwu iron and steel group silver mountain shaped steel Co., Ltd steel mill casting for shaped blank continuous tundish, respond well: (1) has optimized molten steel flow field in the special-shaped base tundish, promoted the floating foreign eliminating, realized the even distribution of liquid steel temperature, each flows temperature difference and is reduced to 4 ℃ by 12 ℃, reduced the bleed-out that causes because of intermediate flow temperature height and stopped watering and the slab quality defective, special-shaped base qualification rate is brought up to 99.02% of in November, 2005 on year-on-year basis by 96.01%; (2) the anti-erosion of deflector, antiscour, reach service life more than 36 hours, be up to 40 hours, prolonged the service life of tundish thus, brought up to more than 36 hours by 16 hours, reduced tundish and annotated surplus and strand crop, back-end crop, further improved special-shaped base qualification rate, reached more than 99.7%.
Description of drawings
Fig. 1 is a special-shaped billet continuous casting machine tundish deflector scheme of installation.
Fig. 2 is the deflector structure schematic diagram.
Wherein, 1, flow straightener, 2, deflector, 3, dam, 4, metering nozzle, 5, the tundish working lining, 6, the dovetail groove on the deflector.
The specific embodiment
The present invention is further described below in conjunction with accompanying drawing and embodiment:
Embodiment 1:
A kind of deflector that is used for the special-shaped billet continuous casting machine tundish adopts magnesia prefabricated component, is made up of following material by weight percentage: fused magnesite: 10～5mm28%; 5～3mm14%, 3～1mm25%, 1～0.074mm20%,＜0.074mm10.8%; Steel fibre 0.5%; Sodium phosphate trimer 0.2%; SiO
2Ultra micro powder 1.5%.
Described fused magnesite is for containing the one-level fused magnesite of MgO 〉=97% (weight ratio), described SiO
2The ultra micro powder, SiO2 content 〉=92% wherein, granularity is less than in 5 μ m, and granularity accounts for 80～85% less than 2 μ m.
Described deflector (2), arc overall structure, the radian measure alpha of deflector are 92 °, and height H is 750mm, and thickness h is 160mm, and dovetail groove upper width a is 120mm, and lower width b is 200mm, and dovetail groove height c is 250mm.
Above-mentioned material by after the described proportioning weighing, is added to do in the batch mixer and mixed 2～3 minutes, add the water of material gross weight 6～8%, wet mixing 4～6 minutes is put into loose tool, uniform distribution with the material feeding of watering that mixes, use vibrating head vibration moulding, when no big bubble was emerged, the green compact of prefabricated component were finished; Maintenance is 1～2 day under 15～25 ℃ of environment temperatures, in 15～300 ℃ of bakings with cooled off 72～84 hours, is divided into the next stage: (1) 15～150 ℃, heat up heating-up time 9h with 15 ℃/h programming rate; (2) 150 ℃ of insulations, time 24h; (3) 150 ℃, heat up with 10 ℃/h programming rate, time 15h is warming up to 300 ℃; (4) 300 ℃ of insulations, time 12h, (5) truce is cooled off naturally, time 12～24h, deflector completes.
Described deflector (2) is installed in the outside of flow straightener (1), the high 150mm in upper edge of the upper edge height ratio flow straightener (1) of deflector (2); Dam (3) is installed in centre position between the outside of two metering nozzles (4) that dovetail groove (6) outside and the middle casting of deflector (2) are flowed respectively, is " eight " font and installs.
Special-shaped billet continuous casting machine is opened and is watered when producing, big bag beam at first flows in the inner chamber of flow straightener (1), rout up from the inner chamber of flow straightener (1) again, two dovetail grooves (6) through deflector (2) flow out respectively, steel stream is under the stopping of dam (3), after treating that liquid steel level surpasses the height of shelves slag dams (3) in the tundish, in two metering nozzles (4) that casting is flowed in the middle of flowing at last, shunting by deflector, evenly the composition and the temperature of molten steel in the special-shaped base tundish, and promoted the floating foreign eliminating.
Embodiment 2
Other are with embodiment 1, and difference is:
The deflector that is used for the special-shaped billet continuous casting machine tundish adopts magnesia prefabricated component, is made up of following material by weight percentage: fused magnesite: 10～5mm granularity 30%, 5～3mm granularity 12%, 3～1mm granularity, 24%, 1～0.074mm granularity 21%,＜0.074mm granularity 10.2%; Steel fibre 0.8%; Sodium phosphate trimer 0.2%; SiO
2Ultra micro powder 1.8%.
Described deflector (2), arc overall structure, the radian measure alpha of deflector are 95 °, and height H is 800mm, and thickness h is 180mm, and dovetail groove upper width a is 102mm, and lower width b is 235mm, and dovetail groove height c is 210mm.
Claims (10)
1. deflector that is used for the special-shaped billet continuous casting machine tundish, it is characterized in that, adopt the arc overall structure, radian measure alpha is 90～95 °, and height H is 750～800mm, and thickness h is 150～180mm, dovetail groove is offered in both sides, dovetail groove upper width a is 100～120mm, and lower width b is 200～240mm, and dovetail groove height c is 200～250mm.
2. the deflector that is used for the special-shaped billet continuous casting machine tundish as claimed in claim 1 is characterized in that, the radian measure alpha of deflector is 92 °, height H is 750mm, and thickness h is 160mm, and dovetail groove upper width a is 120mm, lower width b is 200mm, and dovetail groove height c is 250mm.
3. the deflector that is used for the special-shaped billet continuous casting machine tundish as claimed in claim 1 or 2, it is characterized in that, adopt magnesia prefabricated component, form by following material by weight percentage: fused magnesite: 10～5mm granularity 25～30%, 5～3mm granularity 12～15%, 3～1mm granularity 22～28%, 1～0.074mm granularity 20～22%,＜0.074mm granularity 10～12%; Steel fibre 0.5～0.8%; Sodium phosphate trimer 0.1～0.2%; SiO
2Ultra micro powder 1.2～2.0%.
4. as claim 1, the 2 or 3 described deflectors that are used for the special-shaped billet continuous casting machine tundish, it is characterized in that, form by following material by weight percentage: fused magnesite: 10～5mm28%; 5～3mm14%, 3～1mm25%, 1～0.074mm20%,＜0.074mm10.8%; Steel fibre 0.5%; Sodium phosphate trimer 0.2%; SiO
2Ultra micro powder 1.5%.
5. as claim 3 or the 4 described deflectors that are used for the special-shaped billet continuous casting machine tundish, it is characterized in that described fused magnesite MgO 〉=weight 97%.
6. as claim 3, the 4 or 5 described deflectors that are used for the special-shaped billet continuous casting machine tundish, it is characterized in that described SiO
2Ultra micro powder SiO
2〉=weight 92%, granularity is less than in 5 μ m, and granularity accounts for 80～85% less than 2 μ m.
7. be used for the preparation method of the deflector of special-shaped billet continuous casting machine tundish as claimed in claim 1 or 2, comprise the following steps:
A) with behind the described deflector material weighing, add to do in the batch mixer and mixed 2～3 minutes, add the water of material gross weight 6～8%, wet mixing 4～6 minutes, mixing;
Loose tool is put in the material feeding of watering that b) will mix, and uniform distribution is used vibrating head vibration moulding, and when no big bubble was emerged, the green compact of prefabricated component were finished;
C) maintenance 1～2 day under 15～25 ℃ of environment temperatures;
D) baking and cooling, be divided into the next stage: heat up from 15～250 ℃ with 15 ℃/h programming rate (1), heating-up time 9h; (2) at 150～160 ℃ of insulations, time 24h; (3) heat up from 150～160 ℃ with 10 ℃/h programming rate again, be warming up to 300～310 ℃, time 15h; (4) 300～310 ℃ of insulations, time 12h, (5) truce is cooled off naturally, time 12～24h, deflector completes.
8. as being used for the preparation method of the deflector of special-shaped billet continuous casting machine tundish as described in the claim 7, it is characterized in that, be used to prepare the material of described deflector, form by following material by weight percentage: fused magnesite: 10～5mm granularity 25～30%, 5～3mm granularity 12～15%, 3～1mm granularity 22～28%, 1～0.074mm granularity 20～22%,＜0.074mm granularity 10～12%; Steel fibre 0.5～0.8%; Sodium phosphate trimer 0.1～0.2%; SiO
2Ultra micro powder 1.2～2.0%.
9. the deflector installation method described as claim 1-6 is characterized in that deflector (2) is installed in the outside of flow straightener (1), and the upper edge of deflector (2) is than the high 120～150mm in upper edge of flow straightener (1); Between the outside of two metering nozzles (4) that dovetail groove (6) outside and the middle casting of deflector (2) are flowed, shelves slag dam (3) is installed respectively.
10. deflector installation method as claimed in claim 12, it is characterized in that, the upper edge of deflector (2) is than the high 150mm in upper edge of flow straightener (1), between the outside of the dovetail groove (6) of deflector (2) outside and two metering nozzles (4) of middle casting stream the centre position dam (3) is installed respectively, be the installation of " eight " font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100144929A CN101502877B (en) | 2009-02-27 | 2009-02-27 | Baffle for special-shaped blank continuous casting machine tundish and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100144929A CN101502877B (en) | 2009-02-27 | 2009-02-27 | Baffle for special-shaped blank continuous casting machine tundish and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101502877A true CN101502877A (en) | 2009-08-12 |
| CN101502877B CN101502877B (en) | 2010-10-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972840A (en) * | 2010-11-29 | 2011-02-16 | 中冶连铸技术工程股份有限公司 | Billet continuous casting machine and tundish thereof |
| CN106363158A (en) * | 2016-12-06 | 2017-02-01 | 武汉威林科技股份有限公司 | Tundish with destructively replaceable striking plates |
| CN106424687A (en) * | 2016-12-06 | 2017-02-22 | 武汉威林科技股份有限公司 | Tundish |
| CN111496233A (en) * | 2020-04-29 | 2020-08-07 | 唐山市国亮特殊耐火材料有限公司 | Three-flow slab continuous casting tundish shunting structure and manufacturing method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1297861A (en) * | 1999-11-29 | 2001-06-06 | 山东峨嵋集团有限公司 | Refractory material for working layer of intermediate ladle |
| CN2936498Y (en) * | 2005-12-22 | 2007-08-22 | 攀枝花钢企工贸有限责任公司 | Slag blocking dam of middle ladle |
| CN1864891A (en) * | 2006-06-20 | 2006-11-22 | 江苏沙钢集团有限公司 | Continuous casting tundish capable of manufacturing clean steel |
| CN100453209C (en) * | 2007-04-29 | 2009-01-21 | 濮阳濮耐高温材料（集团）股份有限公司 | Intermediate bag with molten metal return-guide and split apparatus |
| CN201070670Y (en) * | 2007-06-28 | 2008-06-11 | 濮阳濮耐高温材料（集团）股份有限公司 | Air curtain retaining wall and liquid steel gas-washing device having the retaining wall |
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2009
- 2009-02-27 CN CN2009100144929A patent/CN101502877B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972840A (en) * | 2010-11-29 | 2011-02-16 | 中冶连铸技术工程股份有限公司 | Billet continuous casting machine and tundish thereof |
| CN106363158A (en) * | 2016-12-06 | 2017-02-01 | 武汉威林科技股份有限公司 | Tundish with destructively replaceable striking plates |
| CN106424687A (en) * | 2016-12-06 | 2017-02-22 | 武汉威林科技股份有限公司 | Tundish |
| CN111496233A (en) * | 2020-04-29 | 2020-08-07 | 唐山市国亮特殊耐火材料有限公司 | Three-flow slab continuous casting tundish shunting structure and manufacturing method |
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| CN101502877B (en) | 2010-10-13 |
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