CN202779748U - Flow control device for sheet billet continuous casting tundish - Google Patents
Flow control device for sheet billet continuous casting tundish Download PDFInfo
- Publication number
- CN202779748U CN202779748U CN 201220588331 CN201220588331U CN202779748U CN 202779748 U CN202779748 U CN 202779748U CN 201220588331 CN201220588331 CN 201220588331 CN 201220588331 U CN201220588331 U CN 201220588331U CN 202779748 U CN202779748 U CN 202779748U
- Authority
- CN
- China
- Prior art keywords
- molten steel
- molten
- control device
- flow control
- continuous casting
- 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
Images
Landscapes
- Continuous Casting (AREA)
Abstract
The utility model relates to a flow control device for a sheet billet continuous casting tundish. The structure of the flow control device is a rectangular molten pool; a turbulence inhibitor (3) is arranged at the left side of the bottom of the molten pool, a blocking dam (4) is arranged in the approximate middle of the bottom of the molten pool, and a molten steel outlet (6) is formed in the right side of the bottom of the molten pool. The flow control device is characterized in that a retaining wall (8) is additionally arranged in the middle part of the molten pool, a 200-mm molten steel flowing space is reserved between the bottom side of the blocking wall and the molten pool, and a blocking dam (9) higher than the bottom side of the blocking wall (8) is also additionally arranged between the additionally arranged retaining wall (8) and the original blocking dam (4). The flow control device has the advantages that the flowing characteristic of molten steel in the tundish can be improved, inclusions in the molten steel of the sheet billet continuous casting tundish are promoted to float upwards, and the degree of purity of the molten steel is increased.
Description
Technical field
The utility model relates to metallurgical field of steel-making, i.e. a kind of sheet blank continuous casting device for controlling flow of ladle.
Background technology
Tundish is the key reaction device of casting process, and its metallurgical effect directly affects the quality of sheet billet.The structural design of flow control device in the tundish is larger on the flow behavior impact of molten steel.Existing tundish (seeing Fig. 1) is a rectangle molten bath, the bottom, molten bath: the left side is provided with and presses down rapid device, near the middle part gear dam is arranged, and the right side is the molten steel outlet.Molten steel overflows into the molten bath during work after the upper entrance inflow presses down rapid device, by keeping off the top, dam at last from the outlet outflow.The effect that presses down rapid device is to prevent that molten steel from splashing, and the effect on gear dam is the flowability that increases molten steel.The shortcoming that exists at present is that the dead space volume mark is bigger than normal, the piston region volume fraction is less than normal, is unfavorable for the removal of field trash and effective control of product quality.Can nonmetallic inclusionsin steel be effectively controlled is to be related to the success or failure factors that high-level steel grade is produced.Non-metallic inclusion comprises oxide, sulfide, nitride, carbide and compound.Under the general condition, nitride and carbide are to separate out in the steel cooling procedure.But, most of oxide inclusions and some sulphide inculsions then form in molten steel, most of macroscopic views be mingled be with the molten steel of refining by Ladle Cycling to tundish, produced in the process of crystallizer by tundish again, especially during blending operation, produce.Solving above-mentioned technological difficulties is present one technical barrier.
The utility model content
The purpose of this utility model is: by improving the sheet blank continuous casting device for controlling flow of ladle, design a kind of flow behavior that can improve molten steel in the tundish, promote the floating of field trash in the sheet blank continuous casting Metal in Tundish, the sheet blank continuous casting device for controlling flow of ladle of raising Molten Steel Cleanliness.
The technical solution of the utility model is achieved in that existing tundish (seeing Fig. 1) is a rectangle molten bath, the bottom, molten bath: the left side is provided with and presses down rapid device, near the middle part gear dam is arranged, and the right side is the molten steel outlet.This programme is to change the original structure design: set up barricade one at the middle part, molten bath, leave (200mm) molten steel flow space at the bottom of barricade base and the molten bath, newly establish barricade and also set up the gear dam that is higher than the barricade base between former gear dam.Molten steel overflows into the molten bath during work after the upper entrance inflow presses down rapid device, by the barricade bottom, through twice gear dam, flows out from exporting at last again.Field trash proportion is lighter than molten steel in the invar liquid, so field trash is distributed in the top, molten bath usually.The effect of newly establishing barricade is to overflow the Resistance of most of field trash gear above the left part of molten bath the molten steel from pressing down rapid device, can clean out most of field trash in the molten steel, the effect of newly establishing the gear dam is the flowability that fully promotes molten steel, fully promotes remaining inclusion floating in the molten steel.
The utility model has the advantages that: the flow behavior that can improve molten steel in the tundish, be conducive to reduce the dead space volume mark of molten steel in the tundish, increase the piston region volume fraction, this programme improves piston region volume fraction 13.2%, dead space volume mark reduction by 34.7% than original device.Contrast by use and Data Collection for sheet billet medium carbon steel SS400, D (globular inclusion) and DS (large inclusions) are respectively 0.50 and 0.15, reduce respectively 50% and 91% than original device, have unique technological merit, reached the floating that promotes inclusion content in melting steel, the purpose that improves Molten Steel Cleanliness.
Description of drawings
Fig. 1 is former device for controlling flow of ladle structural profile schematic diagram.
Fig. 2 is the utility model structural profile schematic diagram.
Among the figure, 1. tundish, 2. entrance, 3. press down rapid device, 4. gear dam, 5. molten steel face, 6. outlet, 7. Resistance, 8. barricade, 9. gear dam.
Specific embodiment
Existing tundish (1) (seeing Fig. 1) is a rectangle molten bath, the bottom, molten bath: the left side is provided with and presses down rapid device (3), near the middle part gear dam (4) is arranged, and the right side is molten steel outlet (6).This programme is to change the original structure design: set up one barricade (8) at the middle part, molten bath, leave (200mm) molten steel flow space at the bottom of barricade base and the molten bath, newly establish barricade (8) and between former gear dam (4), also set up the gear dam (9) that is higher than barricade (8) base.Molten steel overflows into the molten bath during work after upper entrance (2) inflow presses down rapid device (3), by barricade (8) bottom, again through twice gear dam (4,9), flows out from exporting (6) at last.The effect of newly establishing barricade (8) is to overflow the Resistance (7) of the most of field trash gear molten steel face (5) above the left part of molten bath the molten steel from pressing down rapid device (3), can clean out most of field trash in the molten steel, the effect of newly establishing gear dam (9) is the flowability that fully promotes molten steel, fully promotes remaining inclusion floating in the molten steel.
Claims (1)
1. sheet blank continuous casting device for controlling flow of ladle, structure is a rectangle molten bath, the bottom, molten bath: the left side is provided with and presses down rapid device (3), near the middle part gear dam (4) is arranged, the right side is molten steel outlet (6), it is characterized in that: set up one barricade (8) at the middle part, molten bath, leave (200mm) molten steel flow space at the bottom of barricade base and the molten bath, newly establish barricade (8) and between former gear dam (4), also set up the gear dam (9) that is higher than barricade (8) base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220588331 CN202779748U (en) | 2012-10-24 | 2012-10-24 | Flow control device for sheet billet continuous casting tundish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220588331 CN202779748U (en) | 2012-10-24 | 2012-10-24 | Flow control device for sheet billet continuous casting tundish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202779748U true CN202779748U (en) | 2013-03-13 |
Family
ID=47807090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220588331 Expired - Fee Related CN202779748U (en) | 2012-10-24 | 2012-10-24 | Flow control device for sheet billet continuous casting tundish |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202779748U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240406A (en) * | 2013-04-28 | 2013-08-14 | 首钢总公司 | Continuous casting tundish and continuous casting tundish casting control method |
| CN103537659A (en) * | 2013-11-14 | 2014-01-29 | 宁夏共享集团有限责任公司 | Slag blocking pouring basin |
| CN104107905A (en) * | 2013-04-19 | 2014-10-22 | 宝钢特钢有限公司 | Slab continuous casting tundish |
| CN106041042A (en) * | 2016-08-18 | 2016-10-26 | 四川西南不锈钢有限责任公司 | Special-shaped stainless steel continuous casting tundish |
| CN111347031A (en) * | 2020-04-02 | 2020-06-30 | 江苏沙钢集团有限公司 | Dam weir type transition ladle for thin strip continuous casting |
| CN113399660A (en) * | 2021-06-24 | 2021-09-17 | 江苏沙钢集团有限公司 | Flow distribution type tundish and pouring system for thin strip continuous casting |
-
2012
- 2012-10-24 CN CN 201220588331 patent/CN202779748U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104107905A (en) * | 2013-04-19 | 2014-10-22 | 宝钢特钢有限公司 | Slab continuous casting tundish |
| 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 |
| CN103537659A (en) * | 2013-11-14 | 2014-01-29 | 宁夏共享集团有限责任公司 | Slag blocking pouring basin |
| CN106041042A (en) * | 2016-08-18 | 2016-10-26 | 四川西南不锈钢有限责任公司 | Special-shaped stainless steel continuous casting tundish |
| CN111347031A (en) * | 2020-04-02 | 2020-06-30 | 江苏沙钢集团有限公司 | Dam weir type transition ladle for thin strip continuous casting |
| CN113399660A (en) * | 2021-06-24 | 2021-09-17 | 江苏沙钢集团有限公司 | Flow distribution type tundish and pouring system for thin strip continuous casting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202779748U (en) | Flow control device for sheet billet continuous casting tundish | |
| CN202845761U (en) | Novel tundish for highly purified liquid steel | |
| CN208528079U (en) | A kind of continuous casting production dam | |
| CN201432083Y (en) | Deformed magnesium alloy ingot casting shunt plate | |
| CN109332625A (en) | A kind of casting method improving stopper rod flow control Al dexidized steel nozzle blocking | |
| CN201950179U (en) | Novel tundish flowing control device for stainless steel continuous casting | |
| CN201702360U (en) | Steel ladle with slope-shaped ladle bottom | |
| CN200995276Y (en) | Slag bag for separating and casting residual slag and steel water | |
| CN205165859U (en) | Prevent novel molten iron of slag backward flow and take off slag plate | |
| CN202945301U (en) | Cooling device of electroslag remelting crystallizer | |
| CN103240410B (en) | The sliding nozzle device of Cleanliness of Molten Steel is improved by separation and recovery stuffing sand | |
| CN201140273Y (en) | Multifunctional integral flow straightener for pouring box | |
| CN208276173U (en) | Ladle pours remaining oxygen gas direct-recycling device | |
| CN103170609A (en) | Ferroalloy casting modeling device and ferroalloy casting modeling process in front of furnace | |
| CN2657824Y (en) | Continuous casting tundish with flow guiding device | |
| JP4725244B2 (en) | Ladle for continuous casting and method for producing slab | |
| CN202688360U (en) | Converter steel tapping slag stopping device | |
| CN106825529B (en) | Ferronickel cast iron device | |
| CN205165860U (en) | Prevent molten iron of slag backward flow and take off slag plate | |
| CN215902714U (en) | Long-life tundish slag retaining wall with pre-embedded reinforcing ribs | |
| CN206104816U (en) | Edulcoration the gating system | |
| CN204413139U (en) | A kind of submersed nozzle of high draw speed plate blank continuous casting | |
| CN202317001U (en) | Slab continuous casting tundish for reducing residual slag pouring | |
| CN207086890U (en) | Ferronickel cast iron unit | |
| CN202701364U (en) | Long nozzle continuous casting tundish |
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: 20130313 Termination date: 20151024 |
|
| EXPY | Termination of patent right or utility model |