CN102528009B - A kind of continuous-casting opening-assisting plug - Google Patents
A kind of continuous-casting opening-assisting plug Download PDFInfo
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- CN102528009B CN102528009B CN201210068449.2A CN201210068449A CN102528009B CN 102528009 B CN102528009 B CN 102528009B CN 201210068449 A CN201210068449 A CN 201210068449A CN 102528009 B CN102528009 B CN 102528009B
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- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
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Abstract
The present invention relates to continuous casting steel machine technical field, particularly relate to a kind of continuous-casting opening-assisting plug.One continuous-casting opening-assisting plug of the present invention is achieved by following technical proposals: a kind of continuous-casting opening-assisting plug is reverse taper, bottom centre upwards has out discharge orifice, help out bottom plug with plane contact on brick cup filling pipe end, help out in plug circular cone inclined-plane and brick cup contact of incline plane in inclined-plane and bakie working lining, help open beyond the Great Wall plane less than plane on bakie working lining.One continuous-casting opening-assisting plug simple in construction of the present invention, easy to use, molten steel dissolves heat that Exothermal Alloys material helps out plug to produce, alloy dissolve in molten steel reduce fusing point and molten steel melt open help out the real sandwich layer of plug after formed quickly open and water steel stream and guarantee to open under normal steel coolant-temperature gage to flow successfully.Reach energy-saving and cost-reducing, improve continuous casting and open the purpose watering first sequence casting base quality.
Description
Technical field
The present invention relates to continuous casting steel machine technical field, particularly relate to a kind of continuous-casting opening-assisting plug.
Background technology
The drainage method that continuous casting production non-stopper rod flow control casting at present uses mainly has stuffing sand, opens several ways such as watering plug, Casting tube.Stuffing sand add too early formation sinter layer is caused in the tundish brick cup mouth of a river can not automatic jet, be merely able to add from tundish top during casting position is driven into by pre-thermal potential at tundish car；Opening the amount of heat of molten steel in stuffing sand will be absorbed into water inlet when watering, for guaranteeing out to flow successfully, molten steel temperature of appearing on the stage to exceed and normally connects casting ladle times 30 ~ 50 DEG C；High-temperature molten steel not only adds various consumption, and badly influences the quality of continuous casting billet.Utilization is opened and is watered plug and Casting tube both of which is to realize floating after liquid steel level in tundish reach a certain height by steel buoyancy of water opening watering plug and Casting tube carries out out stream, this mode can prevent slag, but himself is by pollution molten steel and with the same molten steel heat to be absorbed of stuffing sand, molten steel temperature of appearing on the stage to exceed equally and normally connects casting ladle times 30 ~ 50 DEG C, heat loss to be increased, does not meets energy-saving and emission-reduction, proposes high-quality requirement.
Summary of the invention
The technical problem to be solved in the present invention is for defect and deficiency present in prior art, it is provided that a kind of utilize molten steel to dissolve heat that Exothermal Alloys material helps out plug to produce, alloy dissolve in molten steel reduce fusing point and molten steel melt open help out the real sandwich layer of plug after formed quickly open and water steel stream and guarantee under normal steel coolant-temperature gage, to open the successful continuous-casting opening-assisting plug of stream.
One continuous-casting opening-assisting plug of the present invention is achieved by following technical proposals: a kind of continuous-casting opening-assisting plug is reverse taper, bottom centre upwards has out discharge orifice, help out bottom plug with plane contact on brick cup filling pipe end, help out in plug circular cone inclined-plane and brick cup contact of incline plane in inclined-plane and bakie working lining, help open beyond the Great Wall plane less than plane on bakie working lining.
One continuous-casting opening-assisting plug of the present invention has the advantages that compared with prior art: the present invention helps out the profile of plug to match with the tundish brick cup mouth of a river, bakie working lining upper surface it is slightly below after loading, helping and opening portion 40mm left and right thickness part beyond the Great Wall is real cored structure, has the hollow core structures of 20mm endoporus centered by low portion；The material helping out plug is the heat generation such as the silico-calcium of fusing point about 1200 DEG C, silicon barium calcium, is formed without the alloy of the easily oxide at the blocking mouth of a river.
Help out plug easy to use, put it into the brick cup mouth of a river, carry out bakie working lining construction subsequently.Help open beyond the Great Wall portion 40mm left and right thickness reality core segment for stopping molten steel, it is ensured that will help the silico-calcium opening portion 40mm left and right thickness beyond the Great Wall or the fusing of silicon barium calcium reality cored structure after molten steel reach a certain height in tundish, molten steel opens stream automatically by the discharge orifice of opening of low portion.Same realize preventing slag molten formation when opening from watering plug and Casting tube mode flow velocity is opened faster and watered steel stream than opening.
Molten steel dissolves heat that Exothermal Alloys material helps out plug to produce, alloy dissolve in molten steel reduce fusing point and molten steel melt open help out the real sandwich layer of plug after formed quickly open and water steel stream and guarantee to open under normal steel coolant-temperature gage to flow successfully.
Accompanying drawing explanation
One continuous-casting opening-assisting plug of the present invention has a drawings described below:
Fig. 1 is one continuous-casting opening-assisting plug mounting structure schematic diagram of the present invention；
Fig. 2 is one continuous-casting opening-assisting plug structural representation of the present invention.
Wherein: 1, help out plug；2, discharge orifice is opened；3, bakie working lining；4, brick cup；5, filling pipe end.
Detailed description of the invention
With embodiment, one continuous-casting opening-assisting plug technical scheme of the present invention is further described below in conjunction with the accompanying drawings.
As Figure 1-Figure 2, one continuous-casting opening-assisting plug 1 of the present invention is reverse taper, bottom centre upwards has out discharge orifice 2, help out plug 1 bottom with plane contact on brick cup filling pipe end 5, help out plug 1 circular cone inclined-plane and contact of incline plane in inclined-plane in brick cup 4 and bakie working lining 3, help out plane on plug 1 to be less than plane on bakie working lining 3.
The described degree of depth opening discharge orifice 2 for from help out plug 1 lower plane be upwardly into help out plug 2/1sts three height at, open discharge orifice 2 diameter identical with brick cup filling pipe end 5 diameter.
The described material helping out plug 1 is silico-calcium, silicon barium calcium or the alloy of other similar nature.
Embodiment 1.
Helping out the profile of plug 1 to match with the filling pipe end 5 of tundish brick cup 4, be slightly below bakie working lining 3 upper surface after loading, helping out plug 1 top 40mm left and right thickness part is real cored structure, has the hollow core structures of 20mm endoporus i.e. to open discharge orifice 2 centered by low portion；The material helping out plug 1 is the heat generation such as the silico-calcium of fusing point about 1200 DEG C, silicon barium calcium, is formed without the alloy of the easily oxide at the blocking mouth of a river.
Help out plug 1 easy to use, put it into the brick cup mouth of a river, carry out bakie working lining construction subsequently.And stuffing sand to add in high temperature environments, open to water to fill in and to install again after bakie working lining construction terminates with Casting tube.
Help open beyond the Great Wall portion 40mm left and right thickness reality core segment for stopping molten steel, it is ensured that the most automatically open stream after molten steel reach a certain height in tundish.Same realize preventing slag molten formation when opening from watering plug and Casting tube mode flow velocity is opened faster and watered steel stream than opening.
Molten steel dissolves heat that Exothermal Alloys material helps out plug to produce, alloy dissolve in molten steel reduce fusing point and molten steel melt open help out the real sandwich layer of plug after formed quickly open and water steel stream and guarantee to open under normal steel coolant-temperature gage flow successfully, molten steel temperature of appearing on the stage normally connects secondary 30 ~ 50 DEG C of casting ladle without exceeding again.
Claims (3)
1. a continuous-casting opening-assisting plug, it is characterized in that: helping out plug (1) is reverse taper, its top 40mm caliper portion is real cored structure, bottom centre upwards has out discharge orifice (2), help out the upper plane contact of plug (1) bottom and brick cup filling pipe end (5), help out plug (1) circular cone inclined-plane and brick cup (4) interior inclined-plane and bakie working lining (3) interior contact of incline plane, help out the upper plane of plug (1) less than the upper plane of bakie working lining (3).
Continuous-casting opening-assisting plug the most according to claim 1, it is characterized in that: the described degree of depth opening discharge orifice (2) for from help out plug (1) lower plane to be upwardly into help out plug (1) 2/3rds highly at, open discharge orifice (2) diameter identical with brick cup filling pipe end (5) diameter.
Continuous-casting opening-assisting plug the most according to claim 1, it is characterised in that: the described material helping out plug (1) is silico-calcium, silicon barium calcium or the alloy of other similar nature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210068449.2A CN102528009B (en) | 2012-03-15 | 2012-03-15 | A kind of continuous-casting opening-assisting plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210068449.2A CN102528009B (en) | 2012-03-15 | 2012-03-15 | A kind of continuous-casting opening-assisting plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102528009A CN102528009A (en) | 2012-07-04 |
| CN102528009B true CN102528009B (en) | 2016-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210068449.2A Expired - Fee Related CN102528009B (en) | 2012-03-15 | 2012-03-15 | A kind of continuous-casting opening-assisting plug |
Country Status (1)
| Country | Link |
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| CN (1) | CN102528009B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637235B (en) * | 2018-05-29 | 2019-12-27 | 马鞍山尚元冶金科技有限公司 | Ladle drainage method |
| CN117961044A (en) * | 2024-04-01 | 2024-05-03 | 华北理工大学 | Ladle tapping hole plugging mechanism and tapping hole flow control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3484026A (en) * | 1966-08-23 | 1969-12-16 | Interstop Ag | Apparatus for casting metal from a container with a sliding nozzle |
| US3931913A (en) * | 1973-11-16 | 1976-01-13 | Stopinc Aktiengesellschaft | Slide gate nozzle |
| CN2107335U (en) * | 1991-11-27 | 1992-06-17 | 修昌珉 | Automatic casting device |
| CN1440847A (en) * | 2003-03-03 | 2003-09-10 | 边仁杰 | Buoyancy draining long-life intermediate tank with directly replaced sprue |
| JP3538279B2 (en) * | 1996-05-31 | 2004-06-14 | 日新製鋼株式会社 | Nozzle apparatus for tapping molten metal and tapping method |
| CN202461507U (en) * | 2012-03-15 | 2012-10-03 | 刘海平 | Continuous casting assistant pouring plug |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06106314A (en) * | 1992-09-22 | 1994-04-19 | Kawasaki Steel Corp | Nozzle opening method for molten steel ladle |
| JPH08174202A (en) * | 1994-12-22 | 1996-07-09 | Nisshin Steel Co Ltd | Granular plugging material for opening discharging nozzle hole attached to molten metal vessel and method for opening discharging nozzle hole |
| JPH10146668A (en) * | 1996-11-13 | 1998-06-02 | Toshiba Ceramics Co Ltd | Structure for preventing clogging of molten metal pouring part in vessel for casting |
-
2012
- 2012-03-15 CN CN201210068449.2A patent/CN102528009B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3484026A (en) * | 1966-08-23 | 1969-12-16 | Interstop Ag | Apparatus for casting metal from a container with a sliding nozzle |
| US3931913A (en) * | 1973-11-16 | 1976-01-13 | Stopinc Aktiengesellschaft | Slide gate nozzle |
| CN2107335U (en) * | 1991-11-27 | 1992-06-17 | 修昌珉 | Automatic casting device |
| JP3538279B2 (en) * | 1996-05-31 | 2004-06-14 | 日新製鋼株式会社 | Nozzle apparatus for tapping molten metal and tapping method |
| CN1440847A (en) * | 2003-03-03 | 2003-09-10 | 边仁杰 | Buoyancy draining long-life intermediate tank with directly replaced sprue |
| CN202461507U (en) * | 2012-03-15 | 2012-10-03 | 刘海平 | Continuous casting assistant pouring plug |
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| Publication number | Publication date |
|---|---|
| CN102528009A (en) | 2012-07-04 |
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Effective date of registration: 20160715 Address after: 810005 Qinghai province north of the city of Xining City District Xigang Jiashuyuan Patentee after: Liu Haiping Patentee after: Liu Yushan Address before: 810005 Qinghai province north of the city of Xining City District Xigang Jiashuyuan Patentee before: Liu Haiping |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20180315 |
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