CN203565813U - Composite turbulence inhibitor for continuous-casting tundish - Google Patents
Composite turbulence inhibitor for continuous-casting tundish Download PDFInfo
- Publication number
- CN203565813U CN203565813U CN201320775224.0U CN201320775224U CN203565813U CN 203565813 U CN203565813 U CN 203565813U CN 201320775224 U CN201320775224 U CN 201320775224U CN 203565813 U CN203565813 U CN 203565813U
- Authority
- CN
- China
- Prior art keywords
- shell
- turbulence inhibitor
- combined type
- cover core
- continuous casting
- 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
Links
Images
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
The utility model relates to a composite turbulence inhibitor for continuous-casting tundish. The composite turbulence inhibitor comprises a shell, a bottom plate, a sleeve core, expansion joints and an anti-oxidation coating, wherein the shell is molded by pouring magnesia castable; the bottom plate is built by using magnesia carbon bricks molded by pressing; the sleeve core is built by using fan-shaped magnesia carbon bricks molded by pressing; the expansion joints are formed between the shell and the bottom plate as well as between the shell and the sleeve core; the outer surface of the sleeve core is coated with the anti-oxidization coating. According to the composite turbulence inhibitor disclosed by the utility model, the shell, the bottom plate and the sleeve core can be assembled completely in the casting-molding process of the shell, so that cracks on the shell, the bottom plate and the sleeve core, caused by thermal expansion, are eliminated, unplanned casting stop accidents of a continuous-casting machine are avoided, and the safety and reliability in use are enhanced; the service life of the composite turbulence inhibitor is prolonged, and the continuous-casting production cost is lowered.
Description
Technical field
The utility model relates to a kind of continuous casting tundish combined type turbulence inhibitor, belongs to tundish flow control technical field.
Background technology
In conticaster tundish, turbulence inhibitor is set, can changes the running route of molten steel in tundish, extend the time of staying, promote the floating of field trash to get rid of, to improving slab quality, play an important role.In recent years, for improving the resistance to erosion of turbulence inhibitor, scour resistance, turbulence inhibitor has adopted the design of composite structure, assemblies such as shell, cover core, base plates, consists of, and its housing adopts casting material prefabricated production technology preparation.When producing continuous casting tundish combined type turbulence inhibitor, prior art first prepares respectively the assemblies such as shell, cover core, base plate, after carry out overall package, the defect and the deficiency that exist are: loose tool design is complicated, comprise shell shape, the design of base plate shape and the framed design of inner chamber, cause tyre mould making expense high; Complicated process of preparation, assembles the requirement of each assembly fit dimension high, causes the production cycle longer; Overall package is of poor quality, especially in baking, use procedure, because of the crackle mass defect that the thermal expansion of assembly refractory material causes, safe application performance and life-span have been had a strong impact on, and then the service life of having reduced continuous casting tundish, increased thus continuous casting production cost.
Summary of the invention
For existing turbulence controller for continuous casting middle ladle deficiency, the utility model provides a kind of continuous casting tundish combined type turbulence inhibitor.
The technical solution of the utility model is as follows:
A kind of continuous casting tundish combined type turbulence inhibitor, comprise shell, base plate, cover core, described shell is the cavity structure of upper end open, on base plate is positioned at the bottom of shell inner cavity, the bottom of cover core is positioned on base plate, the cover longitudinal centre line of core and the longitudinal centre line of shell inner cavity overlap, and at the bottom of chamber and between base plate, outer casing inner wall and cover core, dilatation joint are set in the enclosure, on cover core and base plate exposed face, are coated with ORC.
Preferred according to the utility model, described outer casing bottom thickness is 65～115mm; On outer casing bottom, being equipped with ovenstone cotton as dilatation joint, is the cover core that magnesia carbon brick is built by laying bricks or stones above it, and cover core lateral wall is coated with ovenstone cotton as dilatation joint, and it is outer is side wall of outer shell.
Preferred according to the utility model, described cover core is cylindrical shape, by fan-shaped magnesia carbon brick, divides upper and lower 3～4 rings to be built into, and the fan-shaped magnesia carbon brick of 4-6 piece that every ring is divided equally by an annulus forms.
Preferred according to the utility model, the height of described fan-shaped magnesia carbon brick is 100～150mm, and thickness is 80～100mm.
Preferred according to the utility model, the thickness of described dilatation joint is 1.5～2.0mm.
Preferred according to the utility model, described inoxidzable coating thickness is 10～15mm.Preferred material is the magnesia chrome carbon coating that inoxidzable coating is applicable to liner in dundish.By prior art.
According to the utility model, special-shaped square body, cylinder, lower large little Rotary-table or prismoid that the profile side of the being body of described shell, a lower little large side are inclined wall, and upper end open.According to the shape and size design of tundish impact area.Can also be other needed distortion.
The beneficial effects of the utility model:
In the process of the utility model continuous casting tundish combined type turbulence inhibitor shell castable cast, complete the making assembling of the assemblies such as shell and base plate, cover core, and be equipped with asbestos cloth between shell and base plate, shell and cover core, play dilatation joint effect, the crackle quality problems that cause to eliminate castable shell, magnesia carbon brick base plate and the effect of cover core expanded by heating, avoid the unplanned accident of watering of stopping of conticaster, improved safety and reliability.
The utility model has not only been simplified the loose tool design of combined type turbulence inhibitor, and the assembling quality of combined type turbulence inhibitor is improved, and on year-on-year basis brought up to 36～40 hour by 28～32 hours service life.Reduce on year-on-year basis 0.5～1.0 yuan of the continuous casting tundish ton steel cost of resistance to material.
Accompanying drawing explanation
Fig. 1 is continuous casting tundish combined type turbulence inhibitor schematic diagram prepared by embodiment 1.In figure, 1. loose tool; 2. shell; 3. dilatation joint; 4. cover core; 5. ORC; 6. base plate.
Fig. 2 is the side view of building the fan-shaped magnesia carbon brick of cover core use in the utility model by laying bricks or stones, the height that h is fan-shaped magnesia carbon brick.
Fig. 3 is fan-shaped magnesia carbon brick top view and builds position view by laying bricks or stones, the thickness that L is fan-shaped magnesia carbon brick.Dotted portion is the position of building by laying bricks or stones of the fan-shaped magnesia carbon brick of its excess-three piece.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described further, but the utility model is not limited to this.
Embodiment 1:
A kind of continuous casting tundish combined type turbulence inhibitor, structure is as Fig. 1, comprise shell 2, base plate 6, cover core 4, dilatation joint 3, ORC 5, base plate 6 be positioned at the bottom of shell 2 inner chambers above, the bottom of cover core 4 is positioned on base plate 6, the longitudinal centre line of cover core 4 overlaps with the longitudinal centre line of shell 1 inner chamber, between shell 2 and base plate 6, shell 2 and cover core 4, be provided with dilatation joint 3, on the outer surface of cover core 4, smear ORC 5.The special-shaped square body that shell 2 is inclined wall for a lower little large side, upper end is uncovered, and bottom thickness a is 115mm, and this shell 2 is castable moulding by casting.
The base plate 6 of described combined type turbulence inhibitor adopts the magnesia carbon brick of mechanical pressing to build by laying bricks or stones, and its length size is respectively 300mm, 150mmm, 65mm.Described cover core 4 cylindrical (two is uncovered), adopt the fan-shaped magnesia carbon brick of mechanical pressing to build the sidewall of cover core 4 by laying bricks or stones, divide upper and lower 3 ring magnesia carbon bricks to build by laying bricks or stones, four fan-shaped magnesia carbon bricks that every ring brick is divided equally by an annulus are built by laying bricks or stones, the height h of fan-shaped magnesia carbon brick is 150mm, and the thickness L of fan-shaped magnesia carbon brick is 80mm.As shown in Figure 2 and Figure 3.
The described material selection ovenstone cotton as dilatation joint, thickness n is 1.5mm.
The preparation of described continuous casting tundish combined type turbulence inhibitor comprises the following steps:
(1) loose tool 1 of preparing combined type turbulence inhibitor shell 2 is prepared, and shell profile is designed to according to the shape of tundish impact area the special-shaped square body that a lower little large side is inclined wall, and upper end is uncovered, cavity structure, and general steel plate is made;
(2) bottom pouring of combined type turbulence inhibitor shell 2: loose tool is positioned on shake table, first pour into a mould the castable of combined type turbulence inhibitor shell 1 bottom, castable is added in batch mixer and is dry mixed 2 minutes, add the water of material gross weight 4.5%, wet mixing 4 minutes, mix, the castable mixing is put into loose tool, open the vibrating motor of shake table, until the bleeding of castable upper surface, while emerging without large bubble, stop vibration, natural drying 4 hours, its thickness a was 115mm;
(3) base plate 6 of combined type turbulence inhibitor is built by laying bricks or stones: first on combined type turbulence inhibitor shell 2 bottom castables, lay ovenstone cotton 3, with the MT-14 magnesia carbon brick of mechanical pressing, build by laying bricks or stones, its length is of a size of 300mm, 150mm, 65mm again;
(4) the cover core 4 of combined type turbulence inhibitor is built by laying bricks or stones: on the base plate magnesia carbon brick of combined type turbulence inhibitor, adopt the fan-shaped magnesia carbon brick of mechanical pressing to build the sidewall of cover core 4 by laying bricks or stones, divide upper and lower 3 ring magnesia carbon bricks to build by laying bricks or stones, four fan-shaped magnesia carbon bricks that every ring brick is divided equally by an annulus are built by laying bricks or stones, make to overlap the longitudinal centre line of core and the longitudinal centre line of shell inner cavity overlaps;
(5) sidewall of combined type turbulence inhibitor shell 2 cast: castable is added in batch mixer and is dry mixed 2 minutes, add the water of material gross weight 4.5%, wet mixing 4 minutes, mix, the castable mixing is put between the madial wall of shell loose tool 1 and the lateral wall of cover core magnesia carbon brick 4, and disposable feeding thickness is no more than 150mm, the limit vibrating head vibration moulding of feeding in raw material of this back, while emerging without large bubble, stop vibrating head vibration;
(6) maintenance demoulding after 1 day under the environment temperature of 0～30 ℃; On the outer surface of cover core magnesia carbon brick 4, smear anti-oxidant magnesia chrome carbon coating coating 5, natural drying 2 days; Then toast;
(7) the naturally cooling 16h of truce, prepared by continuous casting tundish combined type turbulence inhibitor.
The continuous casting tundish combined type turbulence inhibitor of the present embodiment, on Laiwu steel enterprise Yin Shan shaped steel Co., Ltd steel mill special-shaped billet continuous casting machine tundish, apply, the crackle quality problems that combined type turbulence inhibitor causes because of thermal expansion have been eliminated, the safety and reliability of combined type turbulence inhibitor have been improved, solved the bottleneck problem of restriction casting for shaped blank continuous tundish work life, tundish was brought up to more than 36 hours on year-on-year basis by 28 hours service life, be up to 40 hours, reduce on year-on-year basis 0.98 yuan of the continuous casting tundish ton steel cost of resistance to material.
Embodiment 2, as described in Example 1, difference is:
The bottom thickness b of described combined type turbulence inhibitor shell 2 is 65mm; The base plate magnesia carbon brick length size of building by laying bricks or stones being located thereon is respectively 300mm, 150mm, 115mm; The cover core 4 of described combined type turbulence inhibitor adopts the fan-shaped magnesia carbon brick of mechanical pressing to build the sidewall of cover core 4 by laying bricks or stones, and point upper and lower 4 ring magnesia carbon bricks are built by laying bricks or stones, and the height h of fan-shaped magnesia carbon brick is 100mm, and the thickness L of " fan-shaped " magnesia carbon brick is 100mm; The described material selection ovenstone cotton thickness n as dilatation joint is 2.0mm; It is 15mm that described inoxidzable coating is selected anti-oxidant magnesia chrome carbon coating thickness c.
The continuous casting tundish combined type turbulence inhibitor of the present embodiment, on the steel mill 2# of the steel enterprise Yin Shan shaped steel Co., Ltd slab caster tundish of Laiwu, apply, the crackle quality problems that combined type turbulence inhibitor causes because of thermal expansion have been eliminated, safety and reliability have been improved, further improved the service life of slab CC tundish, bring up on year-on-year basis 20～24 hours by 12～16 hours, reduce on year-on-year basis 0.56 yuan of the continuous casting tundish ton steel cost of resistance to material.
Claims (6)
1. a continuous casting tundish combined type turbulence inhibitor, comprise shell, base plate, cover core, it is characterized in that described shell is the cavity structure of upper end open, on base plate is positioned at the bottom of shell inner cavity, the bottom of cover core is positioned on base plate, the cover longitudinal centre line of core and the longitudinal centre line of shell inner cavity overlap, and at the bottom of chamber and between base plate, outer casing inner wall and cover core, dilatation joint are set in the enclosure, on cover core and base plate exposed face, are coated with ORC.
2. continuous casting tundish combined type turbulence inhibitor as claimed in claim 1, is characterized in that described outer casing bottom thickness is 65～115mm; On outer casing bottom, being equipped with ovenstone cotton as dilatation joint, is the cover core that magnesia carbon brick is built by laying bricks or stones above it, and cover core lateral wall is coated with ovenstone cotton as dilatation joint, and it is outer is side wall of outer shell.
3. continuous casting tundish combined type turbulence inhibitor as claimed in claim 1, is characterized in that described cover core is cylindrical shape, by fan-shaped magnesia carbon brick, divides upper and lower 3～4 rings to be built into, and the fan-shaped magnesia carbon brick of 4-6 piece that every ring is divided equally by an annulus forms.
4. continuous casting tundish combined type turbulence inhibitor as claimed in claim 3, is characterized in that the height of described fan-shaped magnesia carbon brick is 100～150mm, and thickness is 80～100mm.
5. continuous casting tundish combined type turbulence inhibitor as claimed in claim 1, is characterized in that dilatation joint thickness is 1.5～2.0mm.
6. continuous casting tundish combined type turbulence inhibitor as claimed in claim 1, is characterized in that described ORC thickness is 10～15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775224.0U CN203565813U (en) | 2013-11-29 | 2013-11-29 | Composite turbulence inhibitor for continuous-casting tundish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775224.0U CN203565813U (en) | 2013-11-29 | 2013-11-29 | Composite turbulence inhibitor for continuous-casting tundish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203565813U true CN203565813U (en) | 2014-04-30 |
Family
ID=50533572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320775224.0U Expired - Fee Related CN203565813U (en) | 2013-11-29 | 2013-11-29 | Composite turbulence inhibitor for continuous-casting tundish |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203565813U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104707956A (en) * | 2015-03-18 | 2015-06-17 | 山东钢铁股份有限公司 | Beam blank continuous casting tundish turbulence controller and installation method thereof |
| CN105397075A (en) * | 2015-12-25 | 2016-03-16 | 山东钢铁股份有限公司 | Low-cost long-service-life turbulence inhibitor for continuous casting tundish and preparation method for low-cost long-service-life turbulence inhibitor |
-
2013
- 2013-11-29 CN CN201320775224.0U patent/CN203565813U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104707956A (en) * | 2015-03-18 | 2015-06-17 | 山东钢铁股份有限公司 | Beam blank continuous casting tundish turbulence controller and installation method thereof |
| CN105397075A (en) * | 2015-12-25 | 2016-03-16 | 山东钢铁股份有限公司 | Low-cost long-service-life turbulence inhibitor for continuous casting tundish and preparation method for low-cost long-service-life turbulence inhibitor |
| CN105397075B (en) * | 2015-12-25 | 2017-09-05 | 山东钢铁股份有限公司 | A kind of inexpensive long lifetime continuous casting tundish turbulence controller and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100577324C (en) | Casting method for heavy combustion engine II-stage diverter blade | |
| CN101869970B (en) | Continuous casting tundish slag blocking wall of composite material and production technology | |
| CN105565830A (en) | Composite material RH finery dipping pipe outer wrapping body and molding process thereof | |
| CN101168485A (en) | Silicon-base ceramic core and preparation thereof | |
| CN203565813U (en) | Composite turbulence inhibitor for continuous-casting tundish | |
| CN201832967U (en) | Slag weir made of composite material for continuous casting tundish | |
| CN101524751B (en) | Plate blank tundish for preventing cast-on downward flow and preparation method thereof | |
| CN102731122B (en) | Production method of electro-fused zirconia-corundum bowl brick | |
| CN102335725A (en) | Lost foam casting method for high-power motor cast iron base | |
| CN107856166B (en) | Insulating structure and casting insulating method for riser of zirconia-corundum fused brick | |
| CN103658577B (en) | A kind of preparation method of continuous casting production combined type turbulence inhibitor | |
| CN201960126U (en) | Built-in air-permeable brick formed by blowing argon at bottom of steel ladle | |
| CN213563306U (en) | Lost foam casting low-aluminum mullite prefabricated brick die | |
| CN101502878B (en) | Special-shaped blank continuous casting machine tundish and conversion method of different casting blank section thereof | |
| CN104128596B (en) | The ramming process method of middle-size and small-size refining ladle permanent layer | |
| CN102875161B (en) | Small-size molten steel casting ladle lining and preparation method thereof | |
| CN211030479U (en) | Sillimanite pouring forming die | |
| CN203184584U (en) | Heat-preservation live riser for large-sized extra-thick plate blank | |
| CN202726037U (en) | Tundish lining vibration forming mold | |
| CN107513762B (en) | Directional solidification reactor of industrial silicon electric furnace and casting method | |
| CN216461653U (en) | Casting chill that 3DP sand mould that easily fixes used | |
| CN217414359U (en) | Pressing die for producing annular convex-concave groove refractory product | |
| CN201124221Y (en) | Basin type cast steel base plate cover for casting steel ingot | |
| CN109899492A (en) | A kind of transmission case body and its production method | |
| CN201442090U (en) | Beam blank continuous casting tundish used for different casting blank sections |
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: 20140430 Termination date: 20151129 |