CN2333464Y - Continuous casting pouring basket turbulence-proof portition - Google Patents
Continuous casting pouring basket turbulence-proof portition Download PDFInfo
- Publication number
- CN2333464Y CN2333464Y CN98236188U CN98236188U CN2333464Y CN 2333464 Y CN2333464 Y CN 2333464Y CN 98236188 U CN98236188 U CN 98236188U CN 98236188 U CN98236188 U CN 98236188U CN 2333464 Y CN2333464 Y CN 2333464Y
- Authority
- CN
- China
- Prior art keywords
- partition wall
- continuous casting
- bag
- tundish
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009749 continuous casting Methods 0.000 title claims abstract description 20
- 238000005192 partition Methods 0.000 claims abstract description 47
- 239000011819 refractory material Substances 0.000 claims abstract description 5
- 239000011324 bead Substances 0.000 claims description 9
- 239000011449 brick Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 31
- 239000010959 steel Substances 0.000 abstract description 31
- 238000003754 machining Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 241000252229 Carassius auratus Species 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000009856 non-ferrous metallurgy Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Continuous Casting (AREA)
Abstract
The utility model relates to a turbulence-proof partition wall for continuous casting pouring baskets, which is the trapezoidal partition wall made of adopted refractory materials. The utility model is characterized in that the partition wall is composed of two pieces of plate blocks, and the upper bottom edges of the plate blocks are provided with arc radiuses. The upper flanges of the two plate blocks are relative, the lower bottom center of each plate block is provided with a flow drainage hole, and the partition wall and the centre line of a long nozzle of a big steel ladle are symmetrical. The partition wall can have direct masonry or one-step molding on the ladle bottom, and the length of two bottom edges of the partition wall and the corresponding cross dimensions in a pouring basket inosculate. The partition wall is adopted, steel flow in the pouring basket and dynamic energy can be reduced, and the partition wall can effectively prevent turbulence from taking place. The partition wall has the advantages of simple structure, convenient machining and shaping, and low cost, and is suitable for various pouring baskets of 10 tons or more.
Description
The utility model relates to the anti-turbulent flow partition wall of a kind of continuous casting tundish, and it belongs to the continuous casting of metal field.
Inject the process of tundish at big Baogang water, because the effect of molten steel kinetic energy, flowing of big bag long nozzle district fluid in tundish is quite rapid and uneven, form ubiquitous " eyelet " phenomenon in the continuous casting tundish thereby cause the molten steel face to seethe, it is the main cause that cinder inclusion is involved in molten steel, molten steel secondary oxidation in the middle of causing.Ladle-lining and partition wall in can seriously washing away in addition, the Bao Naicai life-span reduces greatly in making.External continuous casting manufacturer has done many researchs in this regard, introduce U.S. Lubens and WCI company for eliminating " eyelet " phenomenon in long nozzle district in the tundish according to " NEWSTEEL " No.1 1995 and " STEEL TECHNOLOGY INTERNATIONAL " 1995/1996, adopted a kind of cast pad that can suppress turbulent flow by the invention of Foseco company, this inhibition turbulent flow cast pad is the inner chamber made by the refractory material box like " goldfish jar " formula, the bead that its sidewall and top side wall are stretched out makes arrogant bag kinetic energy steel stream to be turned back upwards, change the steel energy of flow, can significantly reduce the effective steel energy of flow that acts on molten steel surface and slag blanket.The weak point of this invention is to pour into a mould the mat structure complexity, shape the molten steel that difficulty is big, cast is stranded in the cast pad finally can not flow out fully, influences the molten steel recovery rate.
The purpose of this utility model is to avoid the deficiency of foregoing invention, and provide a kind of simple in structure, shape the anti-turbulent flow partition wall of the good continuous casting tundish of easy and anti-turbulence effects.
The utility model has designed the anti-turbulent flow partition wall of a kind of continuous casting tundish in order to achieve the above object, the trapezoidal partition wall that adopts refractory material to make, it is characterized in that partition wall is made of the trapezoidal plate that two last bases have the arc radius, the base all has bead and two beads relative on two plates, the center, bottom respectively has a discharge orifice, two partition walls and big bag long nozzle center line symmetry, partition wall can directly be built by laying bricks or stones at bag at the end, also, but the upper and lower bottom side length of partition wall coincide with the interior corresponding cross dimensions of tundish once-forming at the end in bag.
The anti-turbulent flow partition wall of the utility model continuous casting tundish adopts trapezoidal fire-resistant plate to make partition wall, this mostly is trapezoidal greatly because of tundish, for effectively changing the steel energy of flow, prevent that " eyelet " forms, the size of the upper and lower end of trapezoidal partition wall should be coincide with section in the tundish.
The utility model continuous casting tundish is prevented the turbulent flow partition wall, two partition walls all are the trapezoidal plate that last base has arc radius and bead, and two beads are relative, two partition walls and big center line symmetry of wrapping long nozzle, this design can be turned back upwards along trapezoidal upper base intrados after making the steel of arrogant bag to flow to the partition wall district, steel flow velocity degree and kinetic energy are reduced greatly, thereby can effectively reach the purpose that suppresses turbulent flow.
Size, arc radius size and the spacing of the anti-turbulent flow partition wall of the utility model continuous casting tundish are relevant with the shape and the capacity of tundish, general to the tundish more than 10 tons, 1/4～1/3 of Bao Neigao was advisable during the anti-trapezoidal plate height of turbulent flow was got, section coincide and gets final product in upper and lower base length and the tundish, last base arc radius value is 1/3～1/2 of a plate hight, two plate spacing values are go to the bottom 0.8～1.5 times of length of plate, select for use high temperature resistant erosion resistant high-quality refractory material to make.
The utility model continuous casting tundish prevents that the turbulent flow partition wall respectively has a discharge orifice at the center, bottom of two trapezoidal plates, and the size in this hole and shape are trapped in the outflow smoothly of the interior molten steel of partition wall as long as can satisfy cast, to improve the recovery rate of molten steel latter stage.
Further specify the anti-turbulent flow partition wall of the utility model continuous casting tundish with accompanying drawing below:
Fig. 1 directly builds schematic diagram at the bottom of the tundish bag by laying bricks or stones for the anti-turbulent flow partition wall of the utility model continuous casting tundish.(1) is that big bag long nozzle, (2) prevent that for tundish turbulent flow partition wall, (3) are at the bottom of the tundish bag among the figure.
Fig. 2 is the anti-trapezoidal plate side view of turbulent flow partition wall of the utility model continuous casting tundish.(4) are that trapezoidal bead, (5) of going up the base are discharge orifice among the figure.
The utility model is described in further detail in conjunction with the embodiments:
Embodiment 1: in middle containing amount is 60 tons of double-current tundish, adopt the anti-turbulent flow partition wall of the utility model continuous casting tundish, the high 330mm of two plates, thickness 50mm, on base cambered surface radius 110mm, bottom discharge orifice be the semi-circular hole of a radius 50mm, two distance between plates 800mm.Partition wall is provided with situation as shown in Figure 1 in middle bag, partition wall for directly building by laying bricks or stones at bag at the end.During operation, middle Bao Yikai waters and just can make steel ladle sliding water gap be in full-gear and not produce splash, and " eyelet " in ladle long nozzle district is basic in whole casting cycle eliminates, even cast molten steel liquid level in latter stage reduces the also last volume slag that takes place in changing packet procedures.One water time finish after, the erosion degree of middle cylinder-packing obviously alleviates than bag in former.Because the comprehensive function of supporting technologies such as the dam in anti-turbulent flow partition wall of the utility model continuous casting tundish and the tundish, weir, make the assorted clearance of double team improve more than 20% than the middle bag that does not adopt any control stream technology, total oxygen content descends 10～20% in the steel, in the residual steel amount of bag reduce approximately 2/3, improved slab quality in addition effectively.
Embodiment 2: adopt the anti-turbulent flow partition wall of the utility model continuous casting tundish in middle containing amount is 20 tons of single current tundish, partition wall is the two trapezoidal plates of bag bag at the end in disposable the forming in, the high 250mm of plate, thickness 40mm, upper base sideband have cambered surface and bead, cambered surface radius is 100mm, the bottom discharge orifice is the square hole of length of side 35mm, two distance between plates 320mm.In the operation, middle Bao Yikai waters, and steel ladle sliding water gap does not produce splash with regard to being in full-gear, and " eyelet " in ladle long nozzle district is basic in whole casting cycle eliminates, and cast molten steel liquid level in latter stage reduces also generation volume slag in changing packet procedures.One water time finish after, the erosion degree of middle cylinder-packing obviously alleviates than bag in former.Owing to adopt the utility model partition wall, total oxygen content descends 8～10% when only adopting dam, weir in the bag in former in the middle Baogang, be mingled with clearance in making in the bag and improve 10～12%, slab quality also be improved significantly.
Adopt effect of the present utility model from above-mentioned 2 embodiment, can find out:
1, unwrap in adopting behind the utility model that splash reduces widely when watering, pouring into a mould at the beginning ladle just can standard-sized sheet, has improved the pouring practice rate.
Steel flows in the partition wall when 2, pouring into a mould, and steel stream is turned back upwards along trapezoidal plate intrados, greatly reduces the kinetic energy of steel stream, has eliminated under the stable state " eyelet " in ladle long nozzle district, and the secondary oxidation that wraps in making reduces greatly.Because steel flow velocity degree reduces, alleviate washing away of steel stream centering cylinder-packing in addition, prolonged the middle bag life-span.
3, when changing big bag, liquid level volume slag does not take place in low liquid level operation, and slab quality obviously improves.
4, owing to designed discharge orifice, the residual steel amount of middle bag obviously descends, has improved the molten steel recovery rate.
5, of the present utility model simple in structure, shape conveniently, cost is low.
The utility model is applicable to the various tundish more than 10 tons, also is applicable to similar field such as nonferrous metallurgy.
Claims (1)
1, the anti-turbulent flow partition wall of a kind of continuous casting tundish, the trapezoidal partition wall that adopts refractory material to make, it is characterized in that partition wall is made of the trapezoidal plate that two last bases have the arc radius, the base all has bead and two beads relative on two plates, the center, bottom respectively has a discharge orifice, two partition walls and big bag long nozzle center line symmetry, and partition wall can directly be built by laying bricks or stones at bag at the end, also, but the upper and lower bottom side length of partition wall coincide with the interior corresponding cross dimensions of tundish once-forming at the end in bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98236188U CN2333464Y (en) | 1998-08-07 | 1998-08-07 | Continuous casting pouring basket turbulence-proof portition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98236188U CN2333464Y (en) | 1998-08-07 | 1998-08-07 | Continuous casting pouring basket turbulence-proof portition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2333464Y true CN2333464Y (en) | 1999-08-18 |
Family
ID=33984300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98236188U Expired - Fee Related CN2333464Y (en) | 1998-08-07 | 1998-08-07 | Continuous casting pouring basket turbulence-proof portition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2333464Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305612C (en) * | 2002-03-28 | 2007-03-21 | 福塞科国际有限公司 | Metallurgical impact pad |
| CN100363128C (en) * | 2003-07-02 | 2008-01-23 | 达涅利机械工业有限公司 | Feeding device for feeding molten metal into crystallizer |
| 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 |
| CN104057044A (en) * | 2014-06-06 | 2014-09-24 | 武汉科技大学 | Internal rotation type turbulence controller for continuous casting tundish |
-
1998
- 1998-08-07 CN CN98236188U patent/CN2333464Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305612C (en) * | 2002-03-28 | 2007-03-21 | 福塞科国际有限公司 | Metallurgical impact pad |
| CN100363128C (en) * | 2003-07-02 | 2008-01-23 | 达涅利机械工业有限公司 | Feeding device for feeding molten metal into crystallizer |
| 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 |
| CN104057044A (en) * | 2014-06-06 | 2014-09-24 | 武汉科技大学 | Internal rotation type turbulence controller for continuous casting tundish |
| CN104057044B (en) * | 2014-06-06 | 2016-10-05 | 武汉科技大学 | A kind of continuous casting production inward turning type turbulence inhibitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |