CN202185568U - Novel double-flow slab continuous casting tundish flow control device - Google Patents
Novel double-flow slab continuous casting tundish flow control device Download PDFInfo
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- CN202185568U CN202185568U CN2011202242581U CN201120224258U CN202185568U CN 202185568 U CN202185568 U CN 202185568U CN 2011202242581 U CN2011202242581 U CN 2011202242581U CN 201120224258 U CN201120224258 U CN 201120224258U CN 202185568 U CN202185568 U CN 202185568U
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- tundish
- dam
- slag
- blocking wall
- slag blocking
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- 238000009749 continuous casting Methods 0.000 title claims abstract description 13
- 239000002893 slag Substances 0.000 claims abstract description 48
- 230000002146 bilateral effect Effects 0.000 claims abstract description 6
- 230000000903 blocking effect Effects 0.000 claims description 38
- 239000003112 inhibitor Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 8
- 230000037303 wrinkles Effects 0.000 claims description 7
- 239000011819 refractory material Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 30
- 239000010959 steel Substances 0.000 abstract description 30
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000010813 municipal solid waste Substances 0.000 description 3
- 238000007667 floating Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a novel double-flow slab continuous casting tundish flow control device, which comprises a tundish, a turbulence controller, a slag dam and a slag wall, wherein the turbulence controller is of a truncated cone-shaped groove-shaped structure, and the inner bottom of the turbulence controller is provided with an annular corrugated convex layer; the top edge is equipped with inside bellied border, and the last overlength of slag wall and slag dam all is greater than the length of lower side, and the centre of tundish bottom is equipped with the turbulence controller, and the central bilateral symmetry is equipped with the slag wall in the tundish cover, and the slag wall sets up with the tundish cover is perpendicular, and the symmetry is equipped with the slag dam between the mouth of a river on tundish bottom center and both sides, and the slag dam sets up with the tundish bottom is perpendicular. The vertical distance L1 between the slag dam and the central line of the long nozzle is larger than the vertical distance L2 between the slag wall and the central line of the long nozzle. Compared with the prior art, the beneficial effects of the utility model are that: the device has simple structure and reasonable design, effectively prolongs the average residence time of the molten steel in the tundish and inhibits the turbulence degree of the molten steel.
Description
Technical field
The utility model relates to the continuous casting technology field, particularly a kind of novel double-current sheet billet continuous casting tundish flow control device.
Background technology
Along with the fast development of tundish metallurgy technology, the performance of its metallurgical function directly influences the cleanliness factor of continuous casting steel, and even the production of final high-quality steel.Tundish has been not only and has been connected molten steel storage container between ladle and crystallizer, especially evenly liquid steel temperature, remove field trash to promote the effective means of molten steel cleanliness to greatest extent.And the flow control device of installing in the tundish is realized the effective ways of above-mentioned metallurgical function just; Through the flow control device of suitable construction is installed, can play stable and optimize molten steel flow state in the tundish, evenly liquid steel temperature and composition, the prolongation molten steel time of staying remove, prevent metallurgical effects such as secondary oxidation of steel pollution with the abundant come-up that promotes field trash.Is main and at present the flow control device in the tundish is many with single barricade or retaining dam, mainly has following drawback: 1) that the turbulent extent of MOLTEN STEEL FLOW in the tundish is suppressed effect is undesirable for ladle high speed beam; 2) can not fully prolong the mean residence time of molten steel in tundish; 3) undesirable for the effect of the dead band that reduces molten steel in the tundish, increase piston region; 4) can not remove with the effective come-up that promotes field trash by full and uniform liquid steel temperature; 5) can not effectively control the surplus that tundish stops watering the back molten steel.
Therefore, better bring into play and need a kind ofly suppress outstanding effect to the molten steel turbulent flow for the tundish metallurgy function, the time of staying prolongs in tundish to make molten steel, effectively reduces the device of interior molten steel dead band of tundish and increase piston region.
Summary of the invention
The purpose of the utility model provides a kind of novel double-current sheet billet continuous casting tundish flow control device, and this apparatus structure is simple, reasonable in design, effectively prolongs the mean residence time of molten steel in tundish and the turbulent extent that suppresses molten steel.
For realizing above-mentioned purpose, the utility model adopts following technical scheme to realize:
A kind of novel double-current sheet billet continuous casting tundish flow control device comprises tundish, turbulence inhibitor, dam, slag blocking wall, and described turbulence inhibitor is a truncated cone-shaped groove-like structure, and the inside bottom of turbulence inhibitor is provided with the protruding layer of annular wrinkle; Top is provided with inwardly protruded edge; Slag blocking wall is an isosceles trapezoidal structure, and dam is that the edge of going to the bottom is provided with the isosceles trapezoidal structure of several perforates, and the last length of side of slag blocking wall and dam is all greater than the length of side down; Described tundish bottom centre is provided with turbulence inhibitor; The center bilateral symmetry is provided with slag blocking wall in the middle clad, and slag blocking wall is provided with middle clad is vertical, is arranged with dam between tundish bottom centre and the both sides filling pipe end; And dam and tundish dolly directly are provided with, and the vertical range L1 of described dam and long nozzle center line is greater than the vertical range L2 of slag blocking wall and long nozzle center line.
Described turbulence inhibitor, slag blocking wall, dam all adopt refractory material to process.
Compared with prior art, the beneficial effect of the utility model is: 1) this device adopts the combination of turbulence inhibitor, slag blocking wall, dam, effectively eliminates splash and turbulent flow phenomenon that molten steel injects tundish, has reduced the tubulence energy of molten steel significantly; 2) this device effectively prolongs the mean residence time of molten steel at tundish, further promotes floating foreign to remove, and the liquid steel temperature in the tundish is distributed more uniformly; 3) this device adopts the turbulence inhibitor of truncated cone-shaped groove-like, has eliminated the floating problem in the steel pouring process; 4) this device adopts the dam of band bottom outlet can either make molten steel pass through tundish, can realize stopping watering effective control of residue molten steel amount in the process tundish again, reduces the surplus steel amount of tundish; 5) this device obviously alleviates middle water containing opening wadding flow process degree, and then the cleanliness factor of molten steel is improved.
Description of drawings
Fig. 1 is the cross-sectional view of the utility model.
Fig. 2 is the generalized section of the utility model turbulence inhibitor.
Fig. 3 is the structural representation of the utility model dam.
Fig. 4 is the structural representation of the utility model slag blocking wall.
Among the figure: 1-tundish 2-long nozzle 3-slag blocking wall 4-dam 5-turbulence inhibitor 6-filling pipe end
The specific embodiment
Describe in further detail below in conjunction with the specific embodiment of accompanying drawing the utility model.
See Fig. 1, Fig. 2, Fig. 3, Fig. 4; A kind of novel double-current sheet billet continuous casting tundish flow control device; Comprise tundish 1, turbulence inhibitor 5, dam 4, slag blocking wall 3, turbulence inhibitor 5 is a truncated cone-shaped groove-like structure, and the inside bottom of turbulence inhibitor 5 is provided with the protruding layer of annular wrinkle; The top of turbulence inhibitor 5 is provided with inwardly protruded edge; Slag blocking wall 3 is an isosceles trapezoidal structure; Dam 4 is provided with the isosceles trapezoidal structure of several perforates for the edge of going to the bottom, and the last length of side of slag blocking wall 3 and dam 4 is all greater than descending the length of side, and tundish 1 bottom centre is provided with turbulence inhibitor 5; The center bilateral symmetry is provided with slag blocking wall 3 in tundish 1 lid; And slag blocking wall 3 and the vertical setting of tundish 1 lid be arranged with dam 4 between tundish 1 bottom centre and the both sides filling pipe end 6, and dam 4 are provided with directly with tundish 1 dolly; Turbulence inhibitor 5, slag blocking wall 3, dam 4 all adopt refractory material to process, and the vertical range L1 of dam 4 and long nozzle 2 center lines is greater than the vertical range L2 of slag blocking wall 3 with long nozzle 2 center lines.
Embodiment one, and a kind of novel double-current sheet billet continuous casting tundish flow control device is like Fig. 1～shown in Figure 4; Comprise tundish 1, turbulence inhibitor 5, dam 4, slag blocking wall 3, turbulence inhibitor 5 is a truncated cone-shaped groove-like structure, and the bottom of turbulence inhibitor 5 is provided with the protruding layer of annular wrinkle; As shown in Figure 2, the protruding layer of the wrinkle of turbulence inhibitor 5 bottoms is a waveform, and the top of turbulence inhibitor 5 is provided with inwardly protruded edge; As shown in Figure 4, slag blocking wall 3 is isosceles trapezoidal structure, and is as shown in Figure 3; Dam 4 is provided with the isosceles trapezoidal structure of several perforates for the edge of going to the bottom, and the last length of side of slag blocking wall 3 and dam 4 is all greater than the set-up mode setting of descending the length of side, and tundish 1 bottom centre is provided with turbulence inhibitor 5; The center bilateral symmetry is provided with slag blocking wall 3 in tundish 1 lid, and slag blocking wall 3 and the vertical setting of tundish 1 lid, is arranged with dam 4 between tundish 1 bottom centre and the both sides filling pipe end 6; And dam 4 directly is provided with tundish 1 dolly; Turbulence inhibitor 5, slag blocking wall 3, dam 4 all adopt refractory material to process, and dam 4 is 1800mm with the vertical range L1 of long nozzle 21 bottom centre, and slag blocking wall 3 is 1500mm with the vertical range L2 at long nozzle 2 centers.
Embodiment two, and a kind of novel double-current sheet billet continuous casting tundish flow control device is like Fig. 1～shown in Figure 4; Comprise tundish 1, turbulence inhibitor 5, dam 4, slag blocking wall 3, turbulence inhibitor 5 is a truncated cone-shaped groove-like structure, and the bottom of turbulence inhibitor 5 is provided with the protruding layer of annular wrinkle; As shown in Figure 2, the protruding layer of the wrinkle of turbulence inhibitor 5 bottoms is a waveform, and the top of turbulence inhibitor 5 is provided with inwardly protruded edge; As shown in Figure 4, slag blocking wall 3 is isosceles trapezoidal structure, and is as shown in Figure 3; Dam 4 is provided with the isosceles trapezoidal structure of several perforates for the edge of going to the bottom, and the last length of side of slag blocking wall 3 and dam 4 is all greater than the set-up mode setting of descending the length of side, and tundish 1 bottom centre is provided with turbulence inhibitor 5; The center bilateral symmetry is provided with slag blocking wall 3 in tundish 1 lid, and slag blocking wall 3 and the vertical setting of tundish 1 lid, is arranged with dam 4 between tundish 1 bottom centre and the both sides filling pipe end 6; And dam 4 directly is provided with tundish 1 dolly; Turbulence inhibitor 5, slag blocking wall 3, dam 4 all adopt refractory material to process, and dam 4 is 1700mm with the vertical range L1 of long nozzle 2 center lines, and slag blocking wall 3 is 1300mm with the vertical range L2 of long nozzle 2 center lines.
Claims (2)
1. novel double-current sheet billet continuous casting tundish flow control device; It is characterized in that; Comprise tundish, turbulence inhibitor, dam, slag blocking wall, described turbulence inhibitor is a truncated cone-shaped groove-like structure, and the inside bottom of turbulence inhibitor is provided with the protruding layer of annular wrinkle; Top is provided with inwardly protruded edge; Slag blocking wall is an isosceles trapezoidal structure, and dam is that the edge of going to the bottom is provided with the isosceles trapezoidal structure of several perforates, and the last length of side of slag blocking wall and dam is all greater than the length of side down; Described tundish bottom centre is provided with turbulence inhibitor; The center bilateral symmetry is provided with slag blocking wall in the middle clad, and slag blocking wall is provided with middle clad is vertical, is arranged with dam between tundish bottom centre and the both sides filling pipe end; And dam and tundish dolly directly are provided with, and the vertical range L1 of described dam and long nozzle center line is greater than the vertical range L2 of slag blocking wall and long nozzle center line.
2. a kind of novel double-current sheet billet continuous casting tundish flow control device according to claim 1 is characterized in that described turbulence inhibitor, slag blocking wall, dam all adopt refractory material to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202242581U CN202185568U (en) | 2011-06-29 | 2011-06-29 | Novel double-flow slab continuous casting tundish flow control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202242581U CN202185568U (en) | 2011-06-29 | 2011-06-29 | Novel double-flow slab continuous casting tundish flow control device |
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| CN202185568U true CN202185568U (en) | 2012-04-11 |
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| CN2011202242581U Expired - Fee Related CN202185568U (en) | 2011-06-29 | 2011-06-29 | Novel double-flow slab continuous casting tundish flow control device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744393A (en) * | 2012-07-26 | 2012-10-24 | 莱芜钢铁集团有限公司 | Tundish flow control device for slab casting machine, preparation method thereof and slagging method using tundish flow control device |
| CN102744394A (en) * | 2012-07-26 | 2012-10-24 | 莱芜钢铁集团有限公司 | Flow control device for tundish of slab continuous caster and deslagging method thereof |
| CN103240406A (en) * | 2013-04-28 | 2013-08-14 | 首钢总公司 | Continuous casting tundish and continuous casting tundish casting control method |
| CN110253006A (en) * | 2019-07-19 | 2019-09-20 | 马鞍山钢铁股份有限公司 | Continuous casting production, the device and method that remaining cutting quantity is cast for reducing continuous casting production |
| CN110315060A (en) * | 2018-03-30 | 2019-10-11 | 宝山钢铁股份有限公司 | A kind of flow control formula tundish structure may filter that the field trash in molten steel |
| CN110328356A (en) * | 2019-08-28 | 2019-10-15 | 庄小梅 | A kind of dry materials liner in dundish of reserved weir plate slot is with releasing the explosion-proof pipe mold of slag |
| CN110614350A (en) * | 2019-10-11 | 2019-12-27 | 马鞍山钢铁股份有限公司 | Method for reducing casting residue of tundish of 2-machine 2-flow slab continuous casting machine |
| CN111136252A (en) * | 2019-12-30 | 2020-05-12 | 山东钢铁集团日照有限公司 | Continuous casting tundish slag dam |
| CN111872366A (en) * | 2020-09-03 | 2020-11-03 | 苏强 | Steel pouring tundish |
| CN112191835A (en) * | 2020-10-12 | 2021-01-08 | 武汉科技大学 | "Dujiang weir" type multistage bottom cyclone type current stabilizer |
| CN114734031A (en) * | 2022-04-11 | 2022-07-12 | 成都先进金属材料产业技术研究院股份有限公司 | Pouring chute of vacuum induction furnace and pouring method of vacuum induction smelting |
-
2011
- 2011-06-29 CN CN2011202242581U patent/CN202185568U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744393A (en) * | 2012-07-26 | 2012-10-24 | 莱芜钢铁集团有限公司 | Tundish flow control device for slab casting machine, preparation method thereof and slagging method using tundish flow control device |
| CN102744394A (en) * | 2012-07-26 | 2012-10-24 | 莱芜钢铁集团有限公司 | Flow control device for tundish of slab continuous caster and deslagging method thereof |
| CN102744394B (en) * | 2012-07-26 | 2014-04-30 | 莱芜钢铁集团有限公司 | Flow control device for tundish of slab continuous caster and deslagging method thereof |
| CN103240406A (en) * | 2013-04-28 | 2013-08-14 | 首钢总公司 | Continuous casting tundish and continuous casting tundish casting control method |
| CN103240406B (en) * | 2013-04-28 | 2015-05-27 | 首钢总公司 | Continuous casting tundish and continuous casting tundish casting control method |
| CN110315060A (en) * | 2018-03-30 | 2019-10-11 | 宝山钢铁股份有限公司 | A kind of flow control formula tundish structure may filter that the field trash in molten steel |
| CN110253006A (en) * | 2019-07-19 | 2019-09-20 | 马鞍山钢铁股份有限公司 | Continuous casting production, the device and method that remaining cutting quantity is cast for reducing continuous casting production |
| CN110328356A (en) * | 2019-08-28 | 2019-10-15 | 庄小梅 | A kind of dry materials liner in dundish of reserved weir plate slot is with releasing the explosion-proof pipe mold of slag |
| CN110614350A (en) * | 2019-10-11 | 2019-12-27 | 马鞍山钢铁股份有限公司 | Method for reducing casting residue of tundish of 2-machine 2-flow slab continuous casting machine |
| CN111136252A (en) * | 2019-12-30 | 2020-05-12 | 山东钢铁集团日照有限公司 | Continuous casting tundish slag dam |
| CN111872366A (en) * | 2020-09-03 | 2020-11-03 | 苏强 | Steel pouring tundish |
| CN112191835A (en) * | 2020-10-12 | 2021-01-08 | 武汉科技大学 | "Dujiang weir" type multistage bottom cyclone type current stabilizer |
| CN112191835B (en) * | 2020-10-12 | 2024-04-19 | 武汉科技大学 | Multi-stage bottom swirling type current stabilizer |
| CN114734031A (en) * | 2022-04-11 | 2022-07-12 | 成都先进金属材料产业技术研究院股份有限公司 | Pouring chute of vacuum induction furnace and pouring method of vacuum induction smelting |
| CN114734031B (en) * | 2022-04-11 | 2023-12-15 | 成都先进金属材料产业技术研究院股份有限公司 | Pouring launder of vacuum induction furnace and pouring method of vacuum induction smelting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20170629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |