CN211915485U - Continuous casting tundish cover - Google Patents
Continuous casting tundish cover Download PDFInfo
- Publication number
- CN211915485U CN211915485U CN202020584015.8U CN202020584015U CN211915485U CN 211915485 U CN211915485 U CN 211915485U CN 202020584015 U CN202020584015 U CN 202020584015U CN 211915485 U CN211915485 U CN 211915485U
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- CN
- China
- Prior art keywords
- pipe
- argon
- hole
- continuous casting
- built
- 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
- 238000009749 continuous casting Methods 0.000 title claims abstract description 17
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 110
- 229910052786 argon Inorganic materials 0.000 claims abstract description 55
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 238000007664 blowing Methods 0.000 claims description 22
- 230000009970 fire resistant effect Effects 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 21
- 239000010959 steel Substances 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005266 casting Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 7
- 238000005457 optimization Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000009865 steel metallurgy Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model relates to a package be built by contract in middle of continuous casting, including offering the be built by contract body that preheats the hole, the top of preheating the hole is equipped with the fixing device who can dismantle the rigid coupling with the be built by contract body, fixing device is last to wear to establish and is fixed with and blows the argon pipe, and the one end intercommunication that blows the argon pipe supplies argon equipment, and the be built by contract body is worn out to the other end downwards through preheating the hole, and violently manages in the lower extreme intercommunication that blows the argon pipe, blows sealed setting between argon pipe and the fixing device. The utility model has the advantages of simple structure, the easy operation, low cost, use reliably, realize the argon of package molten steel in the pouring process and seal the protection through setting up fixed argon pipe that blows on preheating the hole, and the sealing of preheating the hole has reduced the heat dissipation of package molten steel, reduces pouring process molten steel temperature and drops, has effectively improved casting blank quality and be built by contract life-span, has reduced manufacturing cost.
Description
Technical Field
The utility model relates to a steel smelting technical field especially involves a package be built by contract in middle of continuous casting.
Background
The continuous casting tundish is a refractory steel container used in short-flow steelmaking process, and has the functions of partial pressure, steady flow, continuous casting, purification and the like. In order to reduce the heat dissipation of the molten steel in the tundish, reduce the temperature drop of the molten steel, prevent the molten steel from being polluted by the air suction of the molten steel and ensure the operation safety of field workers, the tundish is required to be covered with a cover for protection. At present, steel works in China generally use an integral flat plate-shaped tundish cover with a steel structure and a middle refractory working layer structure, a plurality of stopper rod holes and preheating holes are usually arranged on the tundish cover, wherein the preheating holes are generally used as temperature measuring holes and sampling holes after baking and used for adding partial molten steel metallurgy auxiliary materials, so that the phenomenon that the molten steel is polluted by the suction of the stopper rod holes and the preheating holes is avoided. With the development of continuous casting technology, the requirement on steel quality is continuously improved, a plurality of functions of the tundish are enhanced, and higher requirements are provided for the use of a tundish cover.
Disclosure of Invention
The utility model provides a to above-mentioned condition, provide a package be built by contract in middle of the continuous casting, conveniently carry out argon to the molten steel in the middle of the package and seal protection, thermal-insulated heat preservation.
The utility model discloses a through following technical scheme realizes, provide a package be built by contract in middle of continuous casting, including offering the be built by contract body that preheats the hole, the top that preheats the hole is equipped with the fixing device who can dismantle the rigid coupling with the be built by contract body, fixing device is last to wear to establish to be fixed with and to blow the argon pipe, and the one end intercommunication that blows the argon pipe supplies argon equipment, and the other end is downwards through preheating the hole and wearing out the be built by contract body, and violently manage in the lower extreme intercommunication that blows the argon pipe, blows sealed setting between argon pipe and the fixing device.
This scheme will blow the argon pipe through fixing device and fix on the be built by contract body, lets in argon gas in to the package through supplying argon equipment, violently manages through blowing argon pipe lower extreme setting, makes the argon gas lateral flow that enters into in the package, realizes the argon and seals to can realize blowing the dismantlement of argon pipe through fixing device's dismantlement, can install and dismantle convenient operation blowing the argon pipe according to the condition.
As optimization, the inner wall of the preheating hole is fixed with a fire-resistant heat-insulating layer through an anchoring nail. This optimization scheme does benefit to the thermal-insulated protection to preheating hole iron lateral wall through setting up fire-resistant insulating layer, prevents that the iron lateral wall in preheating hole from receiving the high temperature for a long time and toasting and the phenomenon of deformation damage appears, fixes fire-resistant insulating layer through the anchor nail, and is fixed reliable, effectively prevents to drop.
Preferably, the fixing device comprises a fixing seat provided with a positioning hole and a T-shaped sleeve inserted into the positioning hole, the outer diameter of the small-diameter section of the T-shaped sleeve is matched with the inner diameter of the positioning hole, and the inner diameter of the T-shaped sleeve is matched with the outer diameter of the argon blowing pipe. The fixing device of the optimized scheme is simple in structure and convenient to detach, improves universality of the fixing device through the arrangement of the T-shaped sleeves, is simple to process, and can select the T-shaped sleeves with different inner diameters according to argon blowing pipes with different pipe diameters.
Preferably, the fixed seat is also provided with a lifting part. This optimization scheme is through setting up and carrying the portion of carrying, conveniently removes the fixing base.
As optimization, the argon blowing pipe comprises a horizontal pipe and a vertical pipe which are communicated, the vertical pipe is arranged on the fixing device in a penetrating mode, and a quick connector is installed at one end, far away from the vertical pipe, of the horizontal pipe. This optimization scheme will blow the argon pipe and set up to the type of falling L to violently install quick-operation joint on the pipe, the piping arrangement of being convenient for, convenient and outside argon gas pipe connection.
Preferably, the horizontal pipe is further provided with a pressure gauge. This optimization scheme is through setting up the manometer, makes things convenient for the sense tube internal pressure, and the convenience is according to manometer registration adjustment air feed pressure to realize the effective control of centering package molten steel argon seal effect.
Preferably, the lower end of the argon blowing pipe is connected with a three-way pipe through threads, and two air outlet pipes of the three-way pipe extend along the transverse direction. This optimization scheme makes the argon gas that gets into in the package along lateral flow through setting up the three-way pipe, simple structure, and the cost of manufacture is low.
The utility model has the advantages that: the preheating hole is provided with the fixed argon blowing pipe to realize argon sealing protection of tundish molten steel in the pouring process, the heat dissipation of the tundish molten steel is reduced due to the sealing of the preheating hole, the temperature drop of the molten steel in the pouring process is reduced, the quality of a casting blank is effectively improved, the service life of a ladle cover is effectively prolonged, and the production cost is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
shown in the figure:
1. the ladle cover body, 2, preheat the hole, 3, the anchor nail, 4, fire-resistant insulating layer, 5, fixing base, 6, the diapire of fixing base, 7, the annular lateral wall of fixing base, 8, the locating hole, 9, carry the portion of drawing, 10, argon blowing pipe, 11, quick-operation joint, 12, argon gas pipeline, 13, manometer, 14, T type sleeve, 15, the three-way pipe, 16, ladle cover bottom, the arrow point is argon gas and lets in the direction in the picture.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in figure 1, the continuous casting tundish cover comprises a tundish cover body 1 provided with a plurality of preheating holes 2, a fixing device detachably and fixedly connected with the tundish cover body is arranged above the preheating holes 2, a refractory heat insulation layer 4 is fixed on the inner wall of each preheating hole through an anchoring nail 3, and the refractory heat insulation layer is made of asbestos refractory materials and prevents the hole wall of each preheating hole from being damaged due to thermal deformation.
Fixing device is including seting up fixing base 5 of locating hole 8 and inserting the T type sleeve 14 of establishing in the locating hole, and locating hole and fixing base are circular, and diapire 6 and the be sealed contact of be built by contract body of fixing base, 6 radiuses of diapire of fixing base are greater than the radius in preheating the hole, and annular lateral wall 7 of fixing base is installed and is carried pull portion 9. The T-shaped sleeve is an alumina ceramic sleeve, the outer diameter of the small-diameter section of the T-shaped sleeve is matched with the inner diameter of the positioning hole, the small-diameter section of the T-shaped sleeve is sealed with the positioning hole, and the diameter of the large-diameter section of the T-shaped sleeve is larger than the inner diameter of the positioning hole, so that the T-shaped sleeve is positioned.
The inner hole of the T-shaped sleeve penetrates through and fixes the argon blowing pipe 10, and the inner diameter of the T-shaped sleeve is matched with the outer diameter of the argon blowing pipe, so that the argon blowing pipe and the T-shaped sleeve are sealed. The argon blowing pipe is an alumina ceramic pipe. The upper end of the argon blowing pipe is communicated with an argon supply device through an argon pipeline 12, the lower end of the argon blowing pipe downwards penetrates out of the ladle cover body through the preheating hole, the lower end of the argon blowing pipe is connected with a three-way pipe 15 through threads, two air outlet pipes of the three-way pipe transversely extend, and the vertical distance between the two air outlet pipes of the three-way pipe and the ladle cover bottom 16 is 10-15 mm.
The argon blowing pipe of this embodiment is including violently managing and the standpipe that is linked together, violently managing the level setting, the vertical setting of standpipe, and the lower port of standpipe is equipped with the internal thread, and the vertical branch pipe of three-way pipe is equipped with the external screw thread. The horizontal pipe is fixedly connected to the upper end of the vertical pipe, the vertical pipe penetrates through the fixed seat through the T-shaped sleeve, and one end, far away from the vertical pipe, of the horizontal pipe is communicated with the argon pipeline 12 through the installed quick connector 11; in order to conveniently detect the gas pressure in the tube, a pressure gauge 13 is also arranged on the transverse tube.
According to the embodiment, the fixed argon blowing equipment is arranged on the preheating hole to realize argon sealing protection of the tundish molten steel in the pouring process, the sealing of the preheating hole reduces heat dissipation of the tundish molten steel, the temperature drop of the molten steel in the pouring process is reduced, the casting blank quality is effectively improved, the service life of the ladle cover is effectively prolonged, and the production cost is reduced.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides a package be built by contract in middle of continuous casting, is including offering ladle cover body (1) of preheating hole (2), its characterized in that: the fixing device who can dismantle the rigid coupling with the be built by contract body is equipped with in the top of preheating hole (2), wear to establish on the fixing device and be fixed with and blow argon pipe (10), blow the one end intercommunication of argon pipe and supply argon equipment, the other end is worn out the be built by contract body through preheating hole downwards, and violently manages in the lower extreme intercommunication of blowing argon pipe, blows the sealed setting between argon pipe and the fixing device.
2. The continuous casting tundish cover of claim 1, wherein: the inner wall of the preheating hole is fixed with a fire-resistant heat-insulating layer (4) through an anchoring nail.
3. The continuous casting tundish cover of claim 1, wherein: the fixing device comprises a fixing seat (5) provided with a positioning hole (8) and a T-shaped sleeve (14) inserted into the positioning hole, the outer diameter of the small-diameter section of the T-shaped sleeve is matched with the inner diameter of the positioning hole, and the inner diameter of the T-shaped sleeve is matched with the outer diameter of the argon blowing pipe.
4. A continuous casting tundish cover according to claim 3, wherein: the fixed seat is also provided with a lifting part (9).
5. The continuous casting tundish cover of claim 1, wherein: the argon blowing pipe comprises a horizontal pipe and a vertical pipe which are communicated, the vertical pipe is arranged on the fixing device in a penetrating mode, and a quick connector (11) is installed at one end, far away from the vertical pipe, of the horizontal pipe.
6. The continuous casting tundish cover according to claim 5, wherein: the horizontal pipe is also provided with a pressure gauge (13).
7. The continuous casting tundish cover of claim 1, wherein: the lower end of the argon blowing pipe is connected with a three-way pipe (15) through threads, and two air outlet pipes of the three-way pipe extend along the transverse direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020584015.8U CN211915485U (en) | 2020-04-20 | 2020-04-20 | Continuous casting tundish cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020584015.8U CN211915485U (en) | 2020-04-20 | 2020-04-20 | Continuous casting tundish cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211915485U true CN211915485U (en) | 2020-11-13 |
Family
ID=73329357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020584015.8U Expired - Fee Related CN211915485U (en) | 2020-04-20 | 2020-04-20 | Continuous casting tundish cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211915485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114749613A (en) * | 2022-04-26 | 2022-07-15 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Argon blowing protection ladle cover for metal smelting |
-
2020
- 2020-04-20 CN CN202020584015.8U patent/CN211915485U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114749613A (en) * | 2022-04-26 | 2022-07-15 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Argon blowing protection ladle cover for metal smelting |
| CN114749613B (en) * | 2022-04-26 | 2023-10-31 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Argon blowing protection ladle cover for metal smelting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |