CN206092950U - Continuous casting is seal ring for protective casting - Google Patents
Continuous casting is seal ring for protective casting Download PDFInfo
- Publication number
- CN206092950U CN206092950U CN201621133169.5U CN201621133169U CN206092950U CN 206092950 U CN206092950 U CN 206092950U CN 201621133169 U CN201621133169 U CN 201621133169U CN 206092950 U CN206092950 U CN 206092950U
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- flange
- continuous casting
- river
- casting
- conically shaped
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Abstract
The utility model discloses a continuous casting is seal ring for protective casting optimizes molten steel tank's the lower mouth of a river and the air current flow field between the protection tube of the long mouth of a river, solves the poor problem of the sealed effect of present seal ring. The utility model discloses a scheme be: continuous casting is seal ring for protective casting, including a toper section of thick bamboo and flange, wherein the flange is located the great one end of bore of a toper section of thick bamboo to outside protrusion forms at least one through -hole at a toper section of thick bamboo and flange connection department fretwork. Adopt continuous casting is seal ring for protective casting between the mouth of a river and the long mouth of a river protection tube under the molten steel tank, in the continuous casting production process, follow the inert gas that long mouth of a river protection tube blew out, for example the argon gas can flow between the mouth of a river under the molten steel tank and long mouth of a river protection tube to final outside the outflow, block the outside air with the argon gas that blows in along with the steel flow get into in the middle of the package pollute the molten steel, improve steel rolling quality and performance, also can prevent that the long mouth of a river protection tube from gluing the steel, does benefit to the installation and dismantle simultaneously betterly.
Description
Technical field
This utility model is related to a kind of seal washer, especially a kind of continuous casting protective casting seal washer.
Background technology
In continuous casting production process, molten steel must be avoided exposure in air or suction air, it is to avoid in continuous casting production process
Molten steel is oxidized, so requiring necessary protective casting in continuous casting production process.One of existing processing mode is casting cycle
In, the long nozzle protection pipe of an aluminum carbonaceous is realizing on the collector nozzle set of molten steel pot bottom, it is to avoid the molten steel in ladle
By during ladle collector nozzle stream to tundish with air contact and suction air.But, ladle collector nozzle and Chang Shui
There is gap between mouth protection pipe, easily suction air causes molten steel oxidation.
In order to improve sealing, most steel mill connects frequently with seal washer.Such as notification number is CN201308980Y
Patent documentation disclose a kind of seal washer, including conically shaped, also including flange, flange be located at conically shaped bore it is larger
One end, and it is outwardly.
The effect of connection and mat is only served including the existing seal washer of above-mentioned seal washer, from the argon that long nozzle is blown into
Gas is stopped by seal washer, it is impossible to play the effect of argon envelope.Existing seal washer sealing effectiveness is poor, causes argon to suck sky
Gas enters into tundish with molten steel, causes secondary oxidation of steel, affects steel and reduces the castability of molten steel.Meanwhile, cause steel
In [N] content increase because sucking air, its average increase [N] is measured in 8～10ppm, with nitride shape during molten steel solidification
State separates out the subcutaneous micro-crack of induction in crystal boundary, affects steel rolling quality and performance.
Utility model content
This utility model provides a kind of continuous casting protective casting seal washer, optimizes the collector nozzle and long nozzle of ladle
Air velocity distribution between protection pipe, solves the problems, such as that existing seal washer sealing effectiveness is poor.
This utility model solves the technical scheme that its technical problem adopted：Continuous casting protective casting seal washer, bag
Conically shaped and flange are included, its flange is located at larger one end of bore of conically shaped, and outwardly, connected in conically shaped and flange
Connect place's hollow out and form at least one through hole.
It is further：The conically shaped and flange junction hollow out form 3～4 through holes, and arbitrary neighborhood two leads to
Arc length between hole is equal.I.e. each through hole is equally spaced.
It is further：The height of the conically shaped is 70～80mm.
Specifically, the height of the conically shaped is 80mm, and thickness is 10mm, and the internal diameter at conically shaped two ends is respectively 110mm
And 136mm；The ring width of flange is 37mm, and thickness is 6mm；Conically shaped and flange junction hollow out form 4 through holes, 4 through holes
Equidistantly distributed, and the width of through hole is 24mm, edge and flange close cone of the through hole near the less one end of conically shaped bore
The distance at the edge of the less one end in shape nozzle footpath is 5mm.
The beneficial effects of the utility model are：Continuous casting protective casting is adopted between ladle collector nozzle and long nozzle protection pipe
Use seal washer.In continuous casting production process, from the noble gases of long nozzle protection pipe blowout, such as argon can be under ladle
Flow between the mouth of a river and long nozzle protection pipe, and finally flow outwardly, stop extraneous air and the argon being blown into steel stream
Molten steel is polluted into tundish.It is different from tradition and keeps sealing with stifled mode, connects in conically shaped and flange with looking for another way
Place's hollow out forms through hole, forms argon envelope system, and optimization airflow flow field solves the problems, such as that existing seal washer sealing effectiveness is poor.
Continuous casting protective casting seal washer makes to form preferable argon between ladle collector nozzle and long nozzle protection pipe
Ring, realizes that long nozzle protection pipe coordinates tight with ladle junction, improves the protective casting of molten steel in continuous casting production process
Effect, the molten steel being reduced or avoided in ladle flows through long nozzle protection pipe to during tundish by ladle collector nozzle
Suction air is oxidized, and reaching improves the castability purpose that steel improves molten steel, controls to increase what is formed because of [N] content in steel
Subcutaneous micro-crack, improves steel rolling quality and performance, while long nozzle protection pipe steel bonding also can be preferably prevented, beneficial to installation
With dismounting.
Description of the drawings
Fig. 1 is the profile of this utility model continuous casting protective casting seal washer.
Fig. 2 is the top view of this utility model continuous casting protective casting seal washer.
Parts, position and numbering in figure：Conically shaped 1, flange 2, through hole 3.The list of size marking in wherein Fig. 1 and Fig. 2
Position is mm.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described in further detail.
As depicted in figs. 1 and 2, this utility model continuous casting protective casting seal washer, including conically shaped 1 and flange 2, its
Flange 2 is located at larger one end of bore of conically shaped 1, and outwardly, is formed in conically shaped 1 and the junction hollow out of flange 2
At least one through hole 3.In order to ensure the uniform of air-flow, each through hole 3 is equally spaced, and the shape size phase of each through hole
Together.Such as Fig. 2, the arc length phase of conically shaped 1 and the junction hollow out formation of flange 2 between 4 through holes 3, and two through holes 3 of arbitrary neighborhood
Deng.
The height of conically shaped 1 is 70～80mm, such as 75mm.Highly it is compared to the circle body of existing seal washer
50mm, the height of conically shaped 1 is bigger, can preferably prevent long nozzle molten steel dross, also allows in casting to the clear of long water gap bowl part
Reason.Conically shaped 1 and flange 2 are one overall, can preferably form argon envelope system, realize molding casting.
Specifically, size as depicted in figs. 1 and 2, the height of conically shaped 1 is 80mm, and thickness is 10mm, the two ends of conically shaped 1
Internal diameter be respectively 110mm and 136mm.The ring width of flange 2 is 37mm, and thickness is 6mm.Conically shaped 1 and the junction hollow out of flange 2
It is 24mm to form 4 through holes 3, the equidistantly distributed of through hole 3, and the width of through hole 3, and through hole 3 is less by one near the bore of conically shaped 1
End margin is 5mm near the distance of the less end margin of bore of conically shaped 1 with flange 2.
The permissible variation in dimension of continuous casting protective casting seal washer answers≤3mm.Continuous casting protective casting seal washer
Physical and chemical index preferably conforms to the regulation of table 1.
Table 1
Continuous casting protective casting seal washer, in conically shaped and flange junction hollow out through hole is formed, optimization airflow flow field,
Solve the problems, such as that existing seal washer sealing effectiveness is poor.
In continuous casting production process, from the noble gases of long nozzle protection pipe blowout, such as argon can be in ladle collector nozzle
Flow between long nozzle protection pipe, and finally flow outwardly, form argon envelope system, realize protective casting.Continuous casting protective casting
With seal washer, the oxidation of molten steel in continuous casting production process is reduced or avoided, molten steel increases [N] and measures under 8 original～10ppm
0～5ppm is down to, steel, the castability of molten steel and steel rolling quality is improved.
Claims (4)
1. continuous casting protective casting seal washer, including conically shaped (1) and flange (2), its flange (2) is positioned at conically shaped (1)
The larger one end of bore, it is and outwardly, it is characterised in that：Formed at least in conically shaped (1) and flange (2) junction hollow out
One through hole (3).
2. continuous casting protective casting seal washer as claimed in claim 1, it is characterised in that：The conically shaped (1) and flange
(2) arc length that junction hollow out is formed between 3～4 through holes (3), and two through holes (3) of arbitrary neighborhood is equal.
3. continuous casting protective casting seal washer as claimed in claim 1, it is characterised in that：The height of the conically shaped (1)
For 70～80mm.
4. continuous casting protective casting seal washer as claimed in claim 1, it is characterised in that：The height of the conically shaped (1)
For 80mm, thickness is 10mm, and the internal diameter at conically shaped (1) two ends is respectively 110mm and 136mm；The ring width of flange (2) is 37mm,
Thickness is 6mm；Conically shaped (1) and flange (2) junction hollow out 4 through holes (3) of formation, 4 through hole (3) equidistantly distributeds, and
The width of through hole (3) is 24mm, a bore less end margin and flange (2) close taper of the through hole (3) near conically shaped (1)
The distance of the less end margin of bore of cylinder (1) is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621133169.5U CN206092950U (en) | 2016-10-18 | 2016-10-18 | Continuous casting is seal ring for protective casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621133169.5U CN206092950U (en) | 2016-10-18 | 2016-10-18 | Continuous casting is seal ring for protective casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206092950U true CN206092950U (en) | 2017-04-12 |
Family
ID=59975338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621133169.5U Active CN206092950U (en) | 2016-10-18 | 2016-10-18 | Continuous casting is seal ring for protective casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206092950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107649670A (en) * | 2017-11-13 | 2018-02-02 | 芜湖新兴铸管有限责任公司 | A kind of big bag long nozzle sealing device of continuous casting |
| CN108015261A (en) * | 2017-12-01 | 2018-05-11 | 中钢集团邢台机械轧辊有限公司 | A kind of casting method for preventing sand block cap and sprue cup adhesion |
-
2016
- 2016-10-18 CN CN201621133169.5U patent/CN206092950U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107649670A (en) * | 2017-11-13 | 2018-02-02 | 芜湖新兴铸管有限责任公司 | A kind of big bag long nozzle sealing device of continuous casting |
| CN108015261A (en) * | 2017-12-01 | 2018-05-11 | 中钢集团邢台机械轧辊有限公司 | A kind of casting method for preventing sand block cap and sprue cup adhesion |
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