CN106424687A - Tundish - Google Patents
Tundish Download PDFInfo
- Publication number
- CN106424687A CN106424687A CN201611109833.7A CN201611109833A CN106424687A CN 106424687 A CN106424687 A CN 106424687A CN 201611109833 A CN201611109833 A CN 201611109833A CN 106424687 A CN106424687 A CN 106424687A
- Authority
- CN
- China
- Prior art keywords
- tundish
- blocking wall
- slag blocking
- pack housing
- wall
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention relates to the technical field of refractory materials for steelmaking and particularly relates to a tundish. The tundish comprises a tundish shell body, a tundish impact barrel and a slag blocking wall, wherein the tundish shell body is a shell structure opening at the top; the tundish impact barrel is arranged on the inner bottom wall of the tundish shell body and close to the side wall of the tundish shell body; the slag blocking wall is vertical, and the two ends and bottom thereof are embedded in the inner wall and bottom wall of the tundish shell body respectively; an impact area is formed between the slag blocking wall and the tundish shell body; the tundish impact barrel is positioned in the impact area; and multiple penetrating tundish water ports are formed in the bottom wall of the tundish shell body. The tundish provided by the invention has the advantages of simple structure, reasonable design, high integrity, good molten steel flow stabilizing effect and relatively good flow division effect and slag corrosion resistance.
Description
Technical field
The present invention relates to Refractory For Steelmaking technical field is and in particular to a kind of tundish.
Background technology
Tundish is the refractory material containers used in mini-mill steelmaking, accepts first to pour, from ladle, the steel getting off
Water, is then assigned in each crystallizer by middle water containing opening again.Tundish is the intermediate link of STEELMAKING PRODUCTION flow process, and
It is the connecting points being turned to continuous operation by intermittently operated.Tundish is improve output of steel and quality important as metallurgical reaction
One ring.
With Tapping Temperature of Bof raising, when the application of various ladle refining techniques, and middle continuous cast crystallizer number are with even pouring
Between continuous improvement, the pressure that middle ladle-lining is subject to constantly increases, working environment become more severe it is contemplated that the effect of middle bag
(decompression, current stabilization, go to be mingled with, store and shunt molten steel) is it is necessary to centering ladle-lining is optimized design.
Its design comparison of traditional tundish is complicated, and slag blocking wall dismounting is cumbersome, and steady flow result is also poor.
Content of the invention
The technical problem to be solved is to provide a kind of tundish, effectively overcomes the defect of prior art.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of tundish, including middle pack housing, tundish
Impact bucket, slag blocking wall, above-mentioned middle pack housing is open-topped shell structure, and above-mentioned tundish impact bucket is arranged on tundish
In housing inner bottom wall, and near the setting of tundish housing sidewall, above-mentioned slag blocking wall is vertically arranged, and its two ends and bottom embedding respectively
Be loaded on the inwall and diapire of middle pack housing, between above-mentioned slag blocking wall and above-mentioned middle pack housing formed impact zone, above-mentioned in
Between bag impact bucket position in above-mentioned impact zone, above-mentioned tundish shell bottom wall offers multiple middle water containing openings running through it.
The invention has the beneficial effects as follows：Structure is simple, reasonable in design, good integrity, and molten steel steady flow result preferably, and has
Higher shunting action and slag corrosion resistance ability.
On the basis of technique scheme, the present invention can also do following improvement.
Further, above-mentioned middle pack housing side side wall spirogyrate male part in echelon, above-mentioned slag blocking wall two ends are respectively
On the both sides inwall of setting-in and above-mentioned male part, and between above-mentioned slag blocking wall and above-mentioned male part, form above-mentioned impact zone.
Beneficial effect using above-mentioned further scheme is that structure is simple, reasonable in design, is easy to molten steel and enters.
Further, have at above-mentioned male part both sides inwall and tundish shell bottom wall position corresponding with slag blocking wall
Mounting groove, above-mentioned slag blocking wall two ends and bottom are inlaid in corresponding mounting groove respectively.
Beneficial effect using above-mentioned further scheme is slag blocking wall easy accessibility.
Further, above-mentioned middle pack housing include box hat and cover tundish permanent liner in pouring layer on box hat inwall with
And covering the liner in dundish dry type layer on tundish permanent liner in pouring layer inwall, above-mentioned mounting groove is opened in above-mentioned centre
At position corresponding with slag blocking wall on bag working lining dry type layer.
Beneficial effect using above-mentioned further scheme is that tundish shell structure is simple, reasonable in design, high temperature resistant, corrosion resistant
Corrosion is stronger.
Further, above-mentioned slag blocking wall is arc-shaped, and its arc surface protrudes to the inside of above-mentioned tundish housing.
Beneficial effect using above-mentioned further scheme is reasonable in design, and steady flow result is preferable.
Further, above-mentioned pushing off the slag coping is provided with multiple overflow breach.
It is easy for molten steel using the beneficial effect of above-mentioned further scheme to be dispersed in middle pack housing by overflow breach.
Further, multiple above-mentioned overflow breach are spaced and are evenly distributed in above-mentioned slag blocking wall top.
Beneficial effect using above-mentioned further scheme is reasonable in design, and shunting effect is preferable.
Further, multiple above-mentioned tundish outlets are spaced and are distributed in above-mentioned tundish housing bottom at equal intervals, and
The arrangement in " one " font.
Beneficial effect using above-mentioned further scheme is reasonable in design so that molten steel can be equal by multiple tundish outlets
Even it is assigned in each crystallizer.
Further, all dismountable in each above-mentioned middle water containing opening stopper is installed.
It is easy for opening or closing tundish outlet by stopper using the beneficial effect of above-mentioned further scheme, can be more
The good distribution time of molten steel and cycle or frequency etc. of holding in middle pack housing.
Brief description
Fig. 1 is the overlooking the structure diagram of the tundish of the present invention；
Fig. 2 is that the tundish of the present invention removes the overlooking the structure diagram of slag blocking wall；
Fig. 3 is the positive structure schematic of the tundish of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, middle pack housing, 2, tundish impact bucket, 3, slag blocking wall, 4, impact zone, 5, middle water containing opening, 11, male part,
12nd, box hat, 13, tundish permanent liner in pouring layer, 14, liner in dundish dry type layer, 31, overflow breach, 51, stopper.
Specific embodiment
Below in conjunction with accompanying drawing, the principle of the present invention and feature are described, example is served only for explaining the present invention, and
Non- for limiting the scope of the present invention.
Embodiment：As shown in Figures 1 to 3, the tundish of the present embodiment includes middle pack housing 1, tundish impact bucket 2, gear
Slag wall 3, above-mentioned middle pack housing 1 is open-topped shell structure, and above-mentioned tundish impact bucket 2 is arranged on middle pack housing 1
In inner bottom wall, and near centre pack housing 1 side wall setting, above-mentioned slag blocking wall 3 is vertically arranged, and its two ends and bottom are embedded in respectively
On the inwall and diapire of middle pack housing 1, between above-mentioned slag blocking wall 3 and above-mentioned middle pack housing 1, form impact zone 4, above-mentioned
Tundish impact bucket 2 is located in above-mentioned impact zone 4, and above-mentioned middle pack housing 1 diapire offers multiple tundish running through it
The mouth of a river 5.
Above-mentioned middle pack housing 1 side side wall spirogyrate male part 11 in echelon, above-mentioned slag blocking wall 3 two ends are embedded in respectively
On the both sides inwall of above-mentioned male part 11, and between above-mentioned slag blocking wall 3 and above-mentioned male part 11, form above-mentioned impact zone 4.
Peace is had at above-mentioned male part 11 both sides inwall and middle pack housing 1 diapire position corresponding with slag blocking wall 3
Tankage, above-mentioned slag blocking wall 3 two ends and bottom are inlaid in corresponding mounting groove respectively.
Above-mentioned middle pack housing 1 include box hat 12 and cover tundish permanent liner in pouring layer 13 on box hat 12 inwall with
And covering the liner in dundish dry type layer 14 on tundish permanent liner in pouring layer 13 inwall, above-mentioned mounting groove is opened in above-mentioned
At position corresponding with slag blocking wall 3 on liner in dundish dry type layer 14.
Above-mentioned slag blocking wall 3 is arc-shaped, and its arc surface protrudes to the inside of above-mentioned tundish housing 1.
The top of above-mentioned slag blocking wall 3 is provided with multiple overflow breach 31.
Multiple above-mentioned overflow breach 31 are spaced and are evenly distributed in above-mentioned slag blocking wall 3 top.
Multiple above-mentioned tundish outlets 5 are spaced and are distributed in above-mentioned middle pack housing 1 bottom at equal intervals, and linearly
Type is arranged.
All dismountable in each above-mentioned middle water containing opening 5 stopper 51 is installed.
During use, molten steel by be dumped into above impact zone 4 in impact zone 4 tundish impact bucket 2 in, until
Overflowed in impact zone 4 so as to remove tundish in impact zone 4 by its top after in tundish impact bucket 2, molten steel fills
Region outside impact bucket 2 forms the relatively stable molten steel of flowing, after this region molten steel is full of, in the process, in molten steel
Magazine is deposited in impact zone 4, and more pure molten steel overflows into tundish by multiple overflow breach 31 at slag blocking wall 3 top
In housing 1, finally it is assigned in each crystallizer by multiple tundish outlets 5.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of tundish it is characterised in that：Including middle pack housing (1), tundish impact bucket (2), slag blocking wall (3), described
Middle pack housing (1) is open-topped shell structure, and described tundish impact bucket (2) is arranged on middle pack housing (1) inner bottom
On wall, and near the wall setting of centre pack housing (1) side, described slag blocking wall (3) is vertically arranged, and its two ends and bottom are embedded in respectively
On the inwall and diapire of middle pack housing (1), between described slag blocking wall (3) and described middle pack housing (1), form impact zone
(4), described tundish impact bucket (2) is located in described impact zone (4), described middle pack housing (1) diapire offers multiple
Run through its middle water containing opening (5).
2. a kind of tundish according to claim 1 it is characterised in that：Described middle pack housing (1) side side wall evagination
Form trapezoidal male part (11), described slag blocking wall (3) two ends be embedded in respectively with the both sides inwall of described male part (11) on, and
Form described impact zone (4) between described slag blocking wall (3) and described male part (11).
3. a kind of tundish according to claim 2 it is characterised in that：Described male part (11) both sides inwall and tundish
Housing (1) diapire has mounting groove at position corresponding with slag blocking wall (3), and described slag blocking wall (3) two ends and bottom are respectively
It is inlaid in corresponding mounting groove.
4. a kind of tundish according to claim 3 it is characterised in that：Described middle pack housing (1) includes box hat (12)
With tundish permanent liner in pouring layer (13) covering on box hat (12) inwall and covering in tundish permanent liner in pouring layer
(13) liner in dundish dry type layer (14) on inwall, described mounting groove is opened in described liner in dundish dry type layer (14)
At upper position corresponding with slag blocking wall (3).
5. a kind of tundish according to any one of Claims 1-4 it is characterised in that：Described slag blocking wall (3) is circular arc
Shape, and its circular arc is towards the inside protrusion of described middle pack housing (1).
6. a kind of tundish according to claim 5 it is characterised in that：The top of described slag blocking wall (3) is provided with multiple
Overflow breach (31).
7. a kind of tundish according to claim 6 it is characterised in that：Multiple described overflow breach (31) are spaced and uniform
Be distributed in described slag blocking wall (3) top.
8. a kind of tundish according to any one of Claims 1-4 it is characterised in that：Multiple described tundish outlets
(5) it is spaced and be distributed in described middle pack housing (1) bottom at equal intervals, and linear type arrangement.
9. a kind of tundish according to any one of Claims 1-4 it is characterised in that：Each described middle water containing opening (5)
Inside all dismountable stopper (51) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611109833.7A CN106424687A (en) | 2016-12-06 | 2016-12-06 | Tundish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611109833.7A CN106424687A (en) | 2016-12-06 | 2016-12-06 | Tundish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106424687A true CN106424687A (en) | 2017-02-22 |
Family
ID=58215992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611109833.7A Pending CN106424687A (en) | 2016-12-06 | 2016-12-06 | Tundish |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106424687A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111215615A (en) * | 2020-03-04 | 2020-06-02 | 中天钢铁集团有限公司 | Continuous casting tundish capable of improving purity of molten steel and metallurgical process thereof |
| CN112024862A (en) * | 2020-08-21 | 2020-12-04 | 大冶特殊钢有限公司 | Preparation method of tundish permanent lining and construction tire membrane thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5868955A (en) * | 1996-12-11 | 1999-02-09 | Ugine Savoie-Usinor | Feed reservoir intended for retaining a molten metal, and in particular a steel |
| CN201208642Y (en) * | 2008-06-23 | 2009-03-18 | 重庆钢铁(集团)有限责任公司 | Continuous casting tundish |
| CN101502877A (en) * | 2009-02-27 | 2009-08-12 | 莱芜钢铁股份有限公司 | Baffle for special-shaped blank continuous casting machine tundish and preparation method thereof |
| CN102151821A (en) * | 2011-04-22 | 2011-08-17 | 莱芜钢铁集团有限公司 | Slag wall inserts of continuous casting tundish and embedded installing method thereof |
| CN203316695U (en) * | 2013-05-04 | 2013-12-04 | 上海利尔耐火材料有限公司 | Tundish impact zone slag blocking wall |
| CN104959585A (en) * | 2015-06-09 | 2015-10-07 | 南京钢铁股份有限公司 | Tundish of small square billet continuous caster and mounting method of slag dam of tundish |
-
2016
- 2016-12-06 CN CN201611109833.7A patent/CN106424687A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5868955A (en) * | 1996-12-11 | 1999-02-09 | Ugine Savoie-Usinor | Feed reservoir intended for retaining a molten metal, and in particular a steel |
| CN201208642Y (en) * | 2008-06-23 | 2009-03-18 | 重庆钢铁(集团)有限责任公司 | Continuous casting tundish |
| CN101502877A (en) * | 2009-02-27 | 2009-08-12 | 莱芜钢铁股份有限公司 | Baffle for special-shaped blank continuous casting machine tundish and preparation method thereof |
| CN102151821A (en) * | 2011-04-22 | 2011-08-17 | 莱芜钢铁集团有限公司 | Slag wall inserts of continuous casting tundish and embedded installing method thereof |
| CN203316695U (en) * | 2013-05-04 | 2013-12-04 | 上海利尔耐火材料有限公司 | Tundish impact zone slag blocking wall |
| CN104959585A (en) * | 2015-06-09 | 2015-10-07 | 南京钢铁股份有限公司 | Tundish of small square billet continuous caster and mounting method of slag dam of tundish |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111215615A (en) * | 2020-03-04 | 2020-06-02 | 中天钢铁集团有限公司 | Continuous casting tundish capable of improving purity of molten steel and metallurgical process thereof |
| CN112024862A (en) * | 2020-08-21 | 2020-12-04 | 大冶特殊钢有限公司 | Preparation method of tundish permanent lining and construction tire membrane thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |