CN201264074Y - Large square blank continuous casting crystallizer slag-blocking rack - Google Patents
Large square blank continuous casting crystallizer slag-blocking rack Download PDFInfo
- Publication number
- CN201264074Y CN201264074Y CNU2008202182803U CN200820218280U CN201264074Y CN 201264074 Y CN201264074 Y CN 201264074Y CN U2008202182803 U CNU2008202182803 U CN U2008202182803U CN 200820218280 U CN200820218280 U CN 200820218280U CN 201264074 Y CN201264074 Y CN 201264074Y
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- CN
- China
- Prior art keywords
- continuous casting
- slag
- dovetail groove
- plates
- steel
- 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
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- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model relates to a bloom continuous casting crystallizer slag stopper which comprises baffle plates and a rib plate, wherein the rib plate causes the two L-shaped baffle plates formed by bending thin steel plates into 90-120 degrees to be connected together by the way that the vertical plates are arranged oppositely and the transverse plates are arranged reversely. The two baffle plates inserted into a gap between a dummy bar dovetail groove and a crystallizer respectively separate nail scraps from steel slag so as to cause the nail scraps not to be mixed and collected with the steel slag even through in the washing of molten steel, thereby the cooling effect of the molten steel at the root of the dovetail groove is ensured, the dovetail groove is smoothly formed an enough bloom shell, the problem of the initiative leaker is avoided, the stop production accident and the loss of the equipment are reduced, and the production cost is lowered. Moreover, the utility model has simple structure, is easy to manufacture by self, is light and flexible, and is convenient for being stored.
Description
Technical field
The utility model belongs to the steel-making continuous casting field, particularly a kind of crystallizer pushing off the slag frame that is used for bloom continuous casting starting bleed-out.
Background technology
The starting bleed-out of continuous casting blooms is the difficult point problem of control square billet bleed-out always.According to statistics, the starting bleed-out accounts for 26.8% of bleed-out sum.Find through long-term observation, cause one of major reason of starting bleed-out, exactly owing to have the slit between dummy bar head and the crystallizer, and these slits mainly are to adopt paper string to be filled, and must use the nail bits to cover after the filling, but the lighter weight of nail bits, the nail bits of surface coverage are unstable, under the washing away of steel stream, can mix the root that accumulates in the dummy bar head dovetail groove, influence the cooling effect of dovetail groove root molten steel, the base shell attenuation that this place is formed with slag.Because base shell weakness, thereby very easily cause the starting bleed-out.And in a single day the bleed-out of starting to walk not only causes great loss to equipment, and has a strong impact on the direct motion of whole production.
Summary of the invention
The purpose of this utility model is intended at the problems referred to above, provides a kind of simple in structure, easy to use, can prevent effectively that the non-magnetic shim bits mix with slag, thereby reduces the crystallizer pushing off the slag frame of starting bleed-out.
For this reason, the utility model has been taked following technical solution:
A kind of cogged ingot continuous casting crystallizer pushing off the slag frame is made up of baffle plate and gusset, gusset with two with sheet metal bend " L " shape baffle plate riser of forming relatively, transverse slat links together on the contrary.
The angle that described " L " shape baffle plate bends is 90 °～120 °.
The beneficial effects of the utility model are:
Because this pushing off the slag frame is in the slit that is inserted between dummy bar dovetail groove and the crystallizer, therefore inside and outside two sides of two " L " shape baffle plates will separate the nail bits respectively with slag, even make the nail bits under the washing away of molten steel, also can not mix gathering with slag, guaranteed the cooling effect of dovetail groove root molten steel, make it to form smoothly enough base shells, thereby avoided the problem of starting bleed-out, reduced the loss of stopping production accident and equipment, reduced production cost.Simultaneously, the utility model structure is very simple, and self manufacture, and light and flexible easily is convenient to lay.
Description of drawings
Fig. 1 is a cogged ingot continuous casting crystallizer pushing off the slag frame front view.
Fig. 2 is a cogged ingot continuous casting crystallizer pushing off the slag frame vertical view.
Among the figure: 1, baffle plate, 2, gusset.
The specific embodiment
By accompanying drawing as seen, the utility model pushing off the slag frame is made up of baffle plate 1 and gusset 2.Baffle plate 1 is two, is to adopt the bending of 1mm steel sheet and plate to make, and its shape is L-shaped.The angle that " L " shape baffle plate 1 bends is 120 °, makes it to have in use constant slope.Two " L " shape baffle plates 1 take that riser is relative, transverse slat on the contrary promptly all outside mode in termination of two transverse slats place, middlely weld together, so that lay and use with a gusset 2.The concrete size of baffle plate 1 needs to determine according to the crystallizer specification, is generally wide 50～100mm, length is 100～200mm.
During use, this mop is inserted along the slit between dummy bar dovetail groove chamfering and the crystallizer, but is not scratched crystallizer coating, after putting well again on paper string dispenser cover the nail bits.
Claims (2)
1, a kind of cogged ingot continuous casting crystallizer pushing off the slag frame is characterized in that, is made up of baffle plate and gusset, and gusset bends with sheet metal two and forms
Shape baffle plate riser is relative, transverse slat links together on the contrary.
2, cogged ingot continuous casting crystallizer pushing off the slag frame according to claim 1 is characterized in that, and is described
The angle that the shape baffle plate bends is 90 °～120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202182803U CN201264074Y (en) | 2008-09-28 | 2008-09-28 | Large square blank continuous casting crystallizer slag-blocking rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202182803U CN201264074Y (en) | 2008-09-28 | 2008-09-28 | Large square blank continuous casting crystallizer slag-blocking rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201264074Y true CN201264074Y (en) | 2009-07-01 |
Family
ID=40830421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202182803U Expired - Fee Related CN201264074Y (en) | 2008-09-28 | 2008-09-28 | Large square blank continuous casting crystallizer slag-blocking rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201264074Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104525879A (en) * | 2014-12-18 | 2015-04-22 | 山东钢铁股份有限公司 | Continuous casting production device and method for steel with surface covered with special material |
-
2008
- 2008-09-28 CN CNU2008202182803U patent/CN201264074Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104525879A (en) * | 2014-12-18 | 2015-04-22 | 山东钢铁股份有限公司 | Continuous casting production device and method for steel with surface covered with special material |
| CN104525879B (en) * | 2014-12-18 | 2016-11-23 | 山东钢铁股份有限公司 | The continuous casting of surface coverage property material steel produces Apparatus and method for |
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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: 20090701 Termination date: 20140928 |
|
| EXPY | Termination of patent right or utility model |