CN219632592U - Tundish retaining wall device for continuous casting - Google Patents
Tundish retaining wall device for continuous casting Download PDFInfo
- Publication number
- CN219632592U CN219632592U CN202320626927.0U CN202320626927U CN219632592U CN 219632592 U CN219632592 U CN 219632592U CN 202320626927 U CN202320626927 U CN 202320626927U CN 219632592 U CN219632592 U CN 219632592U
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- China
- Prior art keywords
- retaining wall
- barricade
- continuous casting
- tundish
- long
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- 238000009749 continuous casting Methods 0.000 title claims abstract description 26
- 239000002893 slag Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 48
- 239000010959 steel Substances 0.000 abstract description 48
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000011819 refractory material Substances 0.000 abstract description 2
- 238000010079 rubber tapping Methods 0.000 abstract description 2
- 238000009991 scouring Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 238000005266 casting Methods 0.000 description 6
- 230000003749 cleanliness Effects 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model relates to a tundish retaining wall device for continuous casting, which comprises a front retaining wall, a left retaining wall and a right retaining wall, wherein one side of the front retaining wall is fixedly connected with the left retaining wall, one side of the front retaining wall is fixedly connected with the right retaining wall far away from the left retaining wall, two retaining wall supporting openings are formed in the top of the front retaining wall, long retaining wall supporting frames are arranged in the retaining wall supporting openings, flow guide openings are formed in one sides of the left retaining wall and the right retaining wall, two short retaining wall supporting frames are arranged on one side of the front retaining wall and below the long retaining wall supporting frames, and slag discharge openings are formed in the tops of the left retaining wall and the right retaining wall. The utility model solves the problems that the tapping angle of the flow guide hole is unreasonable, the height of the slag discharge port is designed too high, the included angle between the front retaining wall and the side retaining wall is too large, and the like, and the utility model is not beneficial to floating inclusions outside the outflow hole of the middle pouring area, and the slag discharge port is too high, so that the scouring of refractory materials is aggravated, the included angle between the front retaining wall and the side retaining wall is too large, steel flow is easy to impact the retaining wall, and the service life is reduced.
Description
Technical Field
The utility model relates to the technical field of continuous casting retaining wall devices, in particular to a tundish retaining wall device for continuous casting.
Background
Since the middle of the last century, the continuous casting technology of molten steel has been rapidly developed in iron and steel manufacturers worldwide due to the obvious advantages of high production efficiency, low cost, etc. compared with steel ingot casting. So far, the continuous casting ratio of molten steel in China reaches more than 90 percent. Therefore, the continuous casting technology plays a role in steel production, and a tundish of the continuous casting device is used for reducing and stabilizing pressure, keeping the continuous casting process stable, uniformly distributing molten steel to each crystallizer and realizing a multi-furnace continuous casting intermediate container.
The metallurgical effects of the current continuous casting tundish mainly comprise: the components and the temperature of the molten steel entering the tundish from the ladle are further uniform, and the floating of inclusions in the molten steel in the tundish is promoted to improve the cleanliness of the steel. In order to fully exert the metallurgical effect of the tundish, the flow of molten steel in the tundish is required to be reasonably controlled, the composition and the temperature of molten steel entering the tundish from a ladle in a retaining wall structure are further uniform, and meanwhile, the floating of inclusions in the molten steel in the tundish is promoted to improve the cleanliness of the steel, but certain design defects such as unreasonable tapping angles of a diversion hole, excessively high design of a slag discharge port, excessively large included angle between a front retaining wall and a side retaining wall and the like exist, and the problems of difficult floating of inclusions, excessively high slag discharge port, aggravation of scouring of refractory materials, excessively large included angle between the front retaining wall and the side retaining wall, easy impact of steel flow to the retaining wall and reduction of service life are solved.
Disclosure of Invention
In view of the foregoing problems of the prior art, a primary object of the present utility model is to provide a tundish retaining wall device for continuous casting.
The technical scheme of the utility model is as follows: the utility model provides a continuous casting is with middle package barricade device, includes positive barricade, left side barricade and right side barricade, one side fixedly connected with left side barricade of positive barricade, one side and keep away from left side barricade fixedly connected with right side barricade of positive barricade, two barricade support mouths have been seted up at the top of positive barricade, be provided with long barricade support frame in the barricade support mouths, the water conservancy diversion mouth has been seted up to one side of left side barricade and right side barricade, one side of positive barricade just is located the below of long barricade support frame and is provided with two short barricade support frames, the slag notch has all been seted up at the top of left side barricade and right side barricade.
As a preferred embodiment, the diversion opening is disposed at an angle of fifteen degrees with respect to the horizontal plane.
As a preferred embodiment, the long retaining wall supporting frame and the short retaining wall supporting frame are respectively provided with an inclined plane at one end far away from the front retaining wall.
As a preferred embodiment, the front retaining wall is disposed at an included angle of one hundred thirty-five degrees with respect to the left retaining wall and the right retaining wall.
As a preferred implementation mode, two rings are fixedly connected to the top of the front retaining wall, and the rings are hung through hooks, so that the whole retaining wall device is placed in the tundish, and the front retaining wall is beneficial to practical use.
As a preferred embodiment, the long retaining wall support frame and the front retaining wall are arranged at forty-five included angles, and the long retaining wall support frame and the front retaining wall are arranged at forty-five included angles, so that the long retaining wall support frame, the front retaining wall and the contact surface form a triangular structure, and the triangular structure has stable characteristics, and the impact resistance of the front retaining wall is enhanced.
As a preferred embodiment, be forty-five contained angle setting between long barricade support frame and the front barricade, be provided with forty-five contained angle setting through with between short barricade support frame and left side barricade and the right side barricade for short barricade support frame, left side barricade and contact surface form triangle-shaped structure, thereby strengthen the stability of left side barricade.
Compared with the prior art, the utility model has the advantages and positive effects that the hanging ring is hung by the hanging ring, the whole retaining wall device is placed in the tundish, the front retaining wall, the left retaining wall and the right retaining wall are formed into the whole integrated structure, the manufacturing is convenient, the seam can be reduced, the installation and the use are more stable, when molten steel casting is carried out, the three-side retaining wall in the tundish can be used, the track of molten steel flowing can be improved, so that strong vortex caused by the pouring flow impact of the ladle is limited in a local area, the turbulent diffusion is prevented, the retaining wall can increase the retention time of molten steel of the tundish, the separation rate of impurities is further improved, the effect is obvious in the aspect of improving the cleanliness of molten steel, the long retaining wall supporting frame and the short retaining wall supporting frame can better enable the retaining wall to be fixed, thereby slowing down the stamping of the molten steel, when the molten steel enters the device, the two flow guiding ports are arranged to guide the pouring area, the influence on the fluctuation of the flow of each flow can be reduced, and especially the influence on the flow of the middle flow is influenced, when the molten steel capacity reaches the top of the device, the molten steel rises more stably under the action of the retaining wall, the effect of the retaining wall, the impurities in the molten steel also floats in the top layer of the molten steel, the top layer is more beneficial to be discharged out, and the actual use.
Drawings
Fig. 1 is a schematic perspective view of a tundish retaining wall device for continuous casting according to the present utility model;
fig. 2 is a front view of a tundish retaining wall device for continuous casting according to the present utility model;
fig. 3 is a plan view of a tundish retaining wall device for continuous casting according to the present utility model;
fig. 4 is a side view of a tundish retaining wall device for continuous casting according to the present utility model;
fig. 5 is a side cross-sectional view of the left-side retaining wall and the right-side retaining wall of the tundish retaining wall device for continuous casting.
Legend description: 1. a front retaining wall; 2. a left retaining wall; 3. a right side retaining wall; 4. a short retaining wall support frame; 5. a long retaining wall support; 6. a hanging ring; 7. a diversion port; 8. a slag discharge port; 9. and the retaining wall supports the opening.
Detailed Description
The utility model will be further described with reference to the drawings and the specific embodiments
Example 1
As shown in fig. 1 to 5, the present utility model provides a technical solution: including positive barricade 1, left side barricade 2 and right side barricade 3, one side fixedly connected with left side barricade 2 of positive barricade 1 just keeps away from left side barricade 2 fixedly connected with right side barricade 3, two barricade supporting mouths 9 have been seted up at the top of positive barricade 1, be provided with long barricade support frame 5 in the barricade supporting mouths 9, water conservancy diversion mouth 7 has been seted up to one side of left side barricade 2 and right side barricade 3, one side of positive barricade 1 just is located the below of long barricade support frame 5 and is provided with two short barricade support frames 4, slag notch 8 has all been seted up at the top of left side barricade 2 and right side barricade 3.
In this embodiment, when the installation setting, constitute into whole integrated into one piece structure through positive barricade 1, left side barricade 2 and right side barricade 3, be convenient for make, reducible seam uses more stably, when carrying out the molten steel casting, use trilateral barricade in the middle of the package, can improve the orbit of molten steel flow, thereby restrict the strong vortex that the ladle notes stream impact arouses in local area, prevent turbulent diffusion, the barricade can increase the dwell time of middle package molten steel, and then the rate of separation of inclusion has been improved, the effect is showing in the aspect of improving molten steel cleanliness factor, long barricade support frame 5 and short barricade support frame 4 can be better make the barricade fixed, thereby alleviate the punching press of molten steel to the barricade, when the molten steel entering device, through offering two water conservancy diversion mouth 7 with the steel stream directional direction to annotate the flow area, thereby can reduce the influence of each stream and draw rate fluctuation, and then especially the middle stream mouth draws the speed influence, the barricade can increase the dwell time of middle package molten steel, the rate of improvement pouring package molten steel, the effect is showing in the aspect of improving the cleanliness factor of molten steel, through contrast, low-power sample 50 groups before and after using, and after improving the level of casting blank quality is about 20% according to the internal control standard, the rate of reduction of casting blank quality is about 25%.
Example 2
As shown in fig. 1-5, the diversion opening 7 is arranged at an included angle of fifteen degrees with the horizontal plane.
Wherein, the one end that long barricade support frame 5 and short barricade support frame 4 kept away from openly barricade 1 all is provided with the inclined plane, through the one end that long barricade support frame 5 and short barricade support frame 4 kept away from openly barricade 1 sets up the inclined plane to make the better working face contact of long barricade support frame 5 and short barricade support frame 4.
The front retaining wall 1, the left retaining wall 2 and the right retaining wall 3 are arranged at an included angle of one hundred and thirty-five degrees, and the included angle of one hundred and thirty degrees is arranged, so that the flowing track of molten steel can be improved, strong vortex caused by steel ladle pouring impact is limited in a local area, and turbulent diffusion is prevented.
Wherein, the top fixedly connected with rings 6 of positive barricade 1, when the installation sets up, hangs rings 6 through the couple, places holistic barricade device in the middle of in the package, is favorable to the in-service use.
Wherein, be forty-five contained angle setting between long barricade support frame 5 and the positive barricade 1, through setting up into forty-five contained angle between long barricade support frame 5 and the positive barricade 1 to make long barricade support frame 5, positive barricade 1 and contact surface form triangle-shaped structure, and then utilize triangle-shaped to have stable characteristics, strengthen the ability that positive barricade 1 is shocked resistance.
Wherein, be forty-five contained angle setting between short barricade support frame 4 and left side barricade 2 and right side barricade 3, be provided with forty-five degree contained angle setting between through with short barricade support frame 4 and left side barricade 2 and right side barricade 3 for short barricade support frame 4, left side barricade 2 and contact surface form triangle-shaped structure, thereby strengthen the stability of left side barricade 2.
Working principle: when the ladle is installed, the hanging ring 6 is hung through the hanging hook, the whole retaining wall device is placed in the tundish, the front retaining wall 1, the left retaining wall 2 and the right retaining wall 3 form a whole integrated structure, the manufacturing is convenient, the seam can be reduced, the installation and the use are more stable, when molten steel casting is carried out, three-side retaining walls in the tundish are used, the track of molten steel flow can be improved, so that strong vortex caused by ladle pouring flow impact is limited in a local area, turbulent flow diffusion is prevented, the retaining wall can increase the residence time of the molten steel of the tundish, the separation rate of impurities is improved, the effect is obvious in improving the cleanliness of molten steel, the long retaining wall supporting frame 5 and the short retaining wall supporting frame 4 can better enable the retaining wall to be fixed, thereby, the stamping of the molten steel on the retaining wall is slowed down, when the molten steel enters the device, the two flow guiding ports 7 are arranged to guide the flow area, thereby reducing the influence on the fluctuation of the flow, and especially the influence on the flow speed of the middle flow, when the molten steel capacity reaches the top of the device, the molten steel rises more stably under the action of the retaining wall, accordingly, impurities in the molten steel also floats in the top of the molten steel, and then the top layer of the molten steel is discharged through the top layer 8.
Claims (7)
1. The utility model provides a package barricade device in middle for continuous casting, includes positive barricade (1), left side barricade (2) and right side barricade (3), its characterized in that: one side fixedly connected with left side barricade (2) of front barricade (1), one side of front barricade (1) just keeps away from left side barricade (2) fixedly connected with right side barricade (3), two barricade supporting mouths (9) have been seted up at the top of front barricade (1), be provided with long barricade support frame (5) in barricade supporting mouths (9), water conservancy diversion mouth (7) have been seted up to one side of left side barricade (2) and right side barricade (3), one side of front barricade (1) just is located the below of long barricade support frame (5) and is provided with two short barricade support frames (4), slag notch (8) have all been seted up at the top of left side barricade (2) and right side barricade (3).
2. A tundish retaining wall device for continuous casting according to claim 1, wherein: the diversion opening (7) and the horizontal surface form an included angle of fifteen degrees.
3. A tundish retaining wall device for continuous casting according to claim 1, wherein: and inclined planes are arranged at one ends of the long retaining wall supporting frame (5) and the short retaining wall supporting frame (4) which are far away from the front retaining wall (1).
4. A tundish retaining wall device for continuous casting according to claim 1, wherein: the front retaining wall (1) is arranged at an included angle of one hundred thirty-five degrees with the left retaining wall (2) and the right retaining wall (3).
5. A tundish retaining wall device for continuous casting according to claim 1, wherein: the top of the front retaining wall (1) is fixedly connected with two hanging rings (6).
6. A tundish retaining wall device for continuous casting according to claim 1, wherein: the long retaining wall supporting frame (5) and the front retaining wall (1) are arranged at forty-five included angles.
7. A tundish retaining wall device for continuous casting according to claim 1, wherein: the short retaining wall supporting frame (4) is arranged at a forty-five included angle with the left retaining wall (2) and the right retaining wall (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320626927.0U CN219632592U (en) | 2023-03-27 | 2023-03-27 | Tundish retaining wall device for continuous casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320626927.0U CN219632592U (en) | 2023-03-27 | 2023-03-27 | Tundish retaining wall device for continuous casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219632592U true CN219632592U (en) | 2023-09-05 |
Family
ID=87807449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320626927.0U Active CN219632592U (en) | 2023-03-27 | 2023-03-27 | Tundish retaining wall device for continuous casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219632592U (en) |
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2023
- 2023-03-27 CN CN202320626927.0U patent/CN219632592U/en active Active
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