CN205949845U - Package in middle of conticaster and keep off dam thereof - Google Patents
Package in middle of conticaster and keep off dam thereof Download PDFInfo
- Publication number
- CN205949845U CN205949845U CN201620995422.1U CN201620995422U CN205949845U CN 205949845 U CN205949845 U CN 205949845U CN 201620995422 U CN201620995422 U CN 201620995422U CN 205949845 U CN205949845 U CN 205949845U
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- CN
- China
- Prior art keywords
- dam
- molten steel
- conticaster
- dam body
- continuous casting
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Abstract
The application discloses the fender dam of package in the middle of the conticaster, including the dam body, the appearance of dam body is coincide with the longitudinal section's of the middle package of conticaster lower part shape, sets up the molten steel opening that link up dam body both sides face on the dam body. Keep off the vertical sealed bottom of wrapping of being fixed in in dam in the middle of the conticaster to the both sides narrow end who is close to the transverse section of the middle package of conticaster sets up, keeps off the dam and keeps apart wrapping bottom two adjacent orifices in the middle of the conticaster. Molten steel in package back in the middle of pouring into the conticaster into, partly through molten steel opening both sides narrow end through package in the middle of getting into the conticaster, the molten steel is partly to overflow into the both sides narrow end of in the middle of conticaster package from keeping off the dam top, and the blending that bumps of two strands of molten steel makes the mobile reinforcing of molten steel, and the molten steel is difficult for condensing, the difficult casting interrupt accident that takes place, the nonmetallic inclusion in the molten steel floats fully, has improved the molten steel cleanliness factor, has improved the casting quality. This application is wrapped in the middle of still disclosing a conticaster that contains this fender dam.
Description
Technical field
This utility model is related to metallurgical technology field, particularly to a kind of dam of continuous casting tundish, further relates to one kind
Comprise the continuous casting tundish of this dam.
Background technology
Conticaster, in carrying out continuous casting production process, molten steel is sent in tundish, to improve MOLTEN STEEL FLOW form, is prevented
Slag, promotes inclusion floating, finely tunes molten steel composition, controls inclusion morphology and precise control molten steel overheat.In tundish
Molten steel after the process of tundish from multiple orifices of tundish bottom flow out, carry out next step operation.
The shape that the lateral cross section of existing continuous casting tundish is middle width, both sides are narrow, and the longitudinal cross-section of tundish
Taper into from top to bottom, after injection molten steel, mobility in tundish for the molten steel is irregular, leads to for the tundish of this structure
Easily dead band in the areas at both sides of tundish, and the liquid steel temperature of dead zone location is relatively low, easily causes molten steel and condenses it is impossible to from position
Flow out in the orifice of tundish two side bottom, casting discontinuity events occur.And because fluidity molten steel is poor, cause non-gold
Belong to inclusion floating insufficient, lead to Cleanliness of Molten Steel not high, impact casting quality.
In sum, how to solve the problems, such as that the fluidity molten steel in continuous casting tundish is poor, become art technology
Personnel's problem demanding prompt solution.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of dam of continuous casting tundish, to improve conticaster
Fluidity molten steel in tundish, reduces casting discontinuity events odds, improves Cleanliness of Molten Steel.
Another purpose of the present utility model is to provide a kind of continuous casting tundish comprising this dam, to improve continuous casting
Fluidity molten steel in machine tundish, reduces casting discontinuity events odds, improves Cleanliness of Molten Steel.
For reaching above-mentioned purpose, this utility model provides technical scheme below：
A kind of dam of continuous casting tundish, including dam body, the profile of described dam body is vertical with described continuous casting tundish
It coincide to the lower shape in section, described dam body offers the molten steel opening of insertion dam body two sides.
Preferably, in above-mentioned dam, described dam body is inverted trapezoidal structure.
Preferably, in above-mentioned dam, the height of described dam body is 200mm～300mm, and the thickness of described dam body is
100mm～150mm.
Preferably, in above-mentioned dam, the quantity at least two of described molten steel opening, and horizontal arrangement is in described
On dam body.
Preferably, in above-mentioned dam, the aperture of described molten steel opening is 90mm～110mm.
Preferably, in above-mentioned dam, described dam body is by castable and the mixing casting of lightweight corundum castable
Become.
This utility model additionally provides a kind of continuous casting tundish, and including middle inclusion, the bottom of described middle inclusion sets
It is equipped with multiple orifices, a side wall of described middle inclusion is provided with molten steel flow straightener, also includes as any of the above item institute
The dam stated, described dam is vertically fixed on the bottom of described middle inclusion, and the base of described dam and two sides respectively with
The bottom surface of described middle inclusion and the sealing of side wall, the both sides narrow end of the lateral cross section near described middle inclusion for the described dam sets
Put, and be located between two neighboring described orifice.
Preferably, in above-mentioned continuous casting tundish, it is steady that described dam and described middle inclusion are provided with described molten steel
One side wall of stream device is vertical.
Preferably, in above-mentioned continuous casting tundish, described dam is sealingly fastened in described by magnesium carbon coating material
In tundish body.
Compared with prior art, the beneficial effects of the utility model are：
The dam of the continuous casting tundish that this utility model provides includes dam body, the profile of dam body and continuous casting tundish
The lower shape of longitudinal cross-section coincide, and dam body offers the molten steel opening of insertion dam body two sides.During work, dam is erected
To the bottom being sealingly fastened in continuous casting tundish, dam is arranged near the both sides narrow end of the lateral cross section of continuous casting tundish,
And two adjacent for continuous casting tundish bottom orifices are kept apart.After molten steel is in injection continuous casting tundish, molten steel one
Part enters the both sides narrow end of continuous casting tundish through molten steel opening by dam, and a molten steel part covers dam, from gear
The both sides narrow end of continuous casting tundish is entered, two strands of molten steel collide blending above dam, so that fluidity molten steel enhancing, steel
Water is difficult to condense, and reduces the accident risk that casting is interrupted, simultaneously as the mobility of molten steel strengthens, nonmetallic in molten steel
Inclusion floating fully, improves Cleanliness of Molten Steel, improves casting quality.
The continuous casting tundish that this utility model provides employs the dam in the application, therefore, enhances the stream of molten steel
Dynamic property, the non-metallic inclusion in molten steel floats fully, improves Cleanliness of Molten Steel, improves casting quality.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing providing.
A kind of structural representation of the dam of continuous casting tundish that Fig. 1 provides for this utility model embodiment；
A kind of schematic top plan view of continuous casting tundish that Fig. 2 provides for this utility model embodiment；
A kind of side, sectional view of continuous casting tundish that Fig. 3 provides for this utility model embodiment.
In Fig. 1-Fig. 3,1 is dam, 11 is dam body, 12 is molten steel opening, 2 is middle inclusion, 3 is orifice, 4 are
Molten steel flow straightener.
Specific embodiment
Core of the present utility model there is provided a kind of dam of continuous casting tundish, enhances in continuous casting tundish
Fluidity molten steel, reduces casting discontinuity events odds, improves Cleanliness of Molten Steel.
This utility model also provides a kind of continuous casting tundish comprising this dam, enhances the steel in continuous casting tundish
Water mobility, reduces casting discontinuity events odds, improves Cleanliness of Molten Steel.
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1-Fig. 3, this utility model embodiment provides a kind of dam of continuous casting tundish, hereinafter referred to as keeps off
Dam 1, including dam body 11, the profile of dam body 11 is identical with the lower shape of the longitudinal cross-section of continuous casting tundish, solid for sealing
The molten steel opening 12 of insertion dam body 11 two sides is offered on the bottom of continuous casting tundish, dam body 11.
The operation principle of this dam 1 is, during work, dam 1 is vertically sealingly fastened in the bottom of continuous casting tundish, gear
Dam 1 is near the both sides narrow end setting of the lateral cross section of continuous casting tundish, and adjacent for continuous casting tundish bottom two are noted
Discharge orifice 3 is kept apart.After molten steel is in injection continuous casting tundish, molten steel opening 12 in dam 1 for the molten steel part enters
Enter the both sides narrow end of continuous casting tundish, a molten steel part covers dam 1, enter the two of continuous casting tundish from dam 1 top
Side narrow end, two strands of molten steel collide blending, so that fluidity molten steel strengthens, molten steel is difficult to condense, and reducing casting and interrupting
Accident risk, simultaneously as the mobility of molten steel strengthens, non-metallic inclusion in molten steel floats fully, improves molten steel
Cleanliness factor, improves casting quality.
Specifically, as shown in figure 1, in the present embodiment, dam body 11 is inverted trapezoidal structure, and certainly, dam body 11 can also be
Other shapes, depending on the lower shape according to the longitudinal cross-section of continuous casting tundish, as long as can seal in the middle of stop conticaster
The base section of bag is highly.
Preferably, in the present embodiment, the height of dam body 11 is 200mm～300mm, the thickness of dam body 11 be 100mm～
150mm, it is highly preferred that the height of dam body 11 is 250mm, the thickness of dam body 11 is 120mm.
In the present embodiment, the quantity at least two of molten steel opening 12, and horizontal arrangement, on dam body 11, specifically may be used
Think two, three, four etc., be configured according to the size of dam body 11.
As optimization, the aperture of molten steel opening 12 is 90mm～110mm, more preferably 100mm, for this size, then
The quantity of molten steel opening 12 is two.Ensure that steel flow is clear and coherent smooth.
In the present embodiment, dam body 11 is formed by castable and lightweight corundum castable mixing casting, lightweight corundum
Castable can improve high temperature resistant, the decay resistance of dam body 11, improves structural strength and the thermal shock resistance of dam body 11.
Preferably, the ratio of castable and lightweight corundum castable is (8.0～9.0)：(1.0～1.5), more preferably
For 8.7:1.3, make the dam body 11 being cast into have more preferably high temperature resistant, corrosion resistance, higher structural strength and thermal shock resistance.
As shown in Figures 2 and 3, this utility model embodiment additionally provides a kind of continuous casting tundish, including middle inclusion 2
With dam 1, the bottom of middle inclusion 2 is provided with multiple orifices 3, a side wall of middle inclusion 2 is provided with molten steel current stabilization
Device 4, the flow regime of the molten steel for being adjusted into for the molten steel flow straightener 4, to reduce directly washing away to middle inclusion 2, dam 1
Dam 1 described by all of the above embodiment, dam 1 is vertically fixed on the bottom of middle inclusion 2, and the base of dam 1 and
Two sides are sealed with the bottom surface of middle inclusion 2 and side wall respectively, and the both sides of the lateral cross section near centre inclusion 2 for the dam 1 are narrow
End setting, and be located between two neighboring orifice 3.
During casting, dam 1 is vertically sealingly fastened in the bottom of middle inclusion 2, and dam 1 is near the transverse cutting of centre inclusion 2
The both sides narrow end setting in face, two adjacent for middle inclusion 2 bottom orifices 3 are kept apart.In molten steel inclusion 2 in the middle of injection
Afterwards, molten steel opening 12 in dam 1 for the molten steel part enters the both sides narrow end of middle inclusion 2, and a molten steel part covers
Dam 1, the both sides narrow end of inclusion 2 in the middle of dam 1 top enters, two strands of molten steel collide blending, so that MOLTEN STEEL FLOW
Property strengthen, molten steel be difficult condense, reduce casting interrupt accident risk, simultaneously as molten steel mobility strengthen, in molten steel
Non-metallic inclusion float fully, improve Cleanliness of Molten Steel, improve casting quality.
Further, in the present embodiment, the side wall that dam 1 is provided with molten steel flow straightener 4 with middle inclusion 2 hangs down
Directly, the molten steel due to entering from molten steel flow straightener 4 is larger to the impulsive force of this side wall, therefore, in order to improve dam 1 and this side wall
Fixing intensity, by dam 1 perpendicular to this side wall.
In order to improve fixing intensity and the sealing property of dam 1 further, the dam 1 in the present embodiment is applied by magnesium carbonaceous
Skinning loam is sealingly fastened in middle inclusion 2.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or new using this practicality
Type.Multiple modifications to these embodiments will be apparent from for those skilled in the art, is determined herein
The General Principle of justice can be realized in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause
This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The wide scope consistent with features of novelty.
Claims (9)
1. a kind of dam of continuous casting tundish it is characterised in that include dam body (11), the profile of described dam body (11) with described
The lower shape of the longitudinal cross-section of continuous casting tundish coincide, and described dam body (11) offers dam body described in insertion (11) both sides
The molten steel opening (12) in face.
2. dam according to claim 1 is it is characterised in that described dam body (11) is inverted trapezoidal structure.
3. dam according to claim 1 it is characterised in that described dam body (11) height be 200mm～300mm, institute
The thickness stating dam body (11) is 100mm～150mm.
4. dam according to claim 1 is it is characterised in that the quantity at least two of described molten steel opening (12),
And horizontal arrangement is on described dam body (11).
5. dam according to claim 1 it is characterised in that described molten steel opening (12) aperture be 90mm～
110mm.
6. dam according to claim 1 is it is characterised in that described dam body (11) is poured by castable and lightweight corundum
Material feeding mixing casting forms.
7. a kind of continuous casting tundish, including middle inclusion (2), the bottom of described middle inclusion (2) is provided with multiple orifices
(3), a side wall of described middle inclusion (2) is provided with molten steel flow straightener (4) to want it is characterised in that also including right such as
Seek the dam (1) described in any one of 1-6, described dam (1) is vertically fixed on the bottom of described middle inclusion (2), and described gear
The base on dam (1) and two sides are sealed with the bottom surface of described middle inclusion (2) and side wall respectively, and described dam (1) is near institute
State the both sides narrow end setting of the lateral cross section of middle inclusion (2), and be located between two neighboring described orifice (3).
8. continuous casting tundish according to claim 7 is it is characterised in that described dam (1) and described middle inclusion (2)
A side wall being provided with described molten steel flow straightener (4) is vertical.
9. continuous casting tundish according to claim 7 is it is characterised in that described dam (1) passes through magnesium carbon coating material
It is sealingly fastened in described middle inclusion (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620995422.1U CN205949845U (en) | 2016-08-30 | 2016-08-30 | Package in middle of conticaster and keep off dam thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620995422.1U CN205949845U (en) | 2016-08-30 | 2016-08-30 | Package in middle of conticaster and keep off dam thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205949845U true CN205949845U (en) | 2017-02-15 |
Family
ID=57979018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620995422.1U Expired - Fee Related CN205949845U (en) | 2016-08-30 | 2016-08-30 | Package in middle of conticaster and keep off dam thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205949845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111961A (en) * | 2016-08-30 | 2016-11-16 | 山东钢铁股份有限公司 | A kind of continuous casting tundish and dam thereof |
-
2016
- 2016-08-30 CN CN201620995422.1U patent/CN205949845U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111961A (en) * | 2016-08-30 | 2016-11-16 | 山东钢铁股份有限公司 | A kind of continuous casting tundish and dam thereof |
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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: 20170215 Termination date: 20190830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |