CN220992809U - Continuous casting production line compatible with slab and square billet - Google Patents
Continuous casting production line compatible with slab and square billet Download PDFInfo
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- CN220992809U CN220992809U CN202321945515.XU CN202321945515U CN220992809U CN 220992809 U CN220992809 U CN 220992809U CN 202321945515 U CN202321945515 U CN 202321945515U CN 220992809 U CN220992809 U CN 220992809U
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- slab
- continuous casting
- crystallizer
- billet
- square billet
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- 238000009749 continuous casting Methods 0.000 title claims abstract description 69
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000005266 casting Methods 0.000 claims abstract description 9
- 239000000498 cooling water Substances 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000000605 extraction Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Continuous Casting (AREA)
Abstract
The utility model discloses a continuous casting production line compatible with slabs and billets, wherein a middle tank is provided with at least three water outlets, the middle water outlet corresponds to a continuous casting production line of a continuous casting slab or billet, and the water outlets on two sides respectively correspond to the continuous casting production line of the continuous casting slab; the slab continuous casting production line comprises a slab crystallizer component, a slab arc section, a sector section shared by the continuous casting machine, a flame cutting machine and a dummy bar arranged on a roller way, which are sequentially arranged; the continuous billet casting production line comprises a billet crystallizer component, a billet arc section, a sector section shared by a continuous caster, a flame cutting machine and a dummy bar arranged on a roller way, which are sequentially arranged.
Description
Technical Field
The utility model belongs to the technical field of continuous casting in the metallurgical industry, and relates to a continuous casting production line compatible with slabs and square billets.
Background
Currently, the competition in the steel industry is more and more intense, and in order to cope with market risks, steel enterprises have raised higher and higher requirements on the diversity of products, and generally, the adjustment production between online bars and plates is required. For the billet continuous casting machine corresponding to the wire rod, only a plurality of supporting rollers are arranged in a main machine area of the billet continuous casting machine; for the slab continuous casting machine corresponding to the slab, a plurality of closely-spaced roller sector sections are required to be arranged in a main machine area; the equipment types, nozzle arrangement and the like of the two are large in requirement difference, and the compatible production on one continuous casting machine is difficult, so that the steel enterprises generally adopt a mode of respectively newly building square billets and slab continuous casting machines to realize the diversification of products. The mode inevitably leads to the increase of investment cost while realizing product diversification, and can also lead to the idling of corresponding continuous casting machines and the waste of equipment when the market of a certain type of products fluctuates.
Therefore, in order to cope with market fluctuations and to improve the utilization rate of the continuous casting machine equipment, it is necessary to design a continuous casting machine capable of producing both billets and slabs.
Disclosure of utility model
In view of the above, the utility model provides a continuous casting production line compatible with slabs and billets, which can achieve the purpose of switching production of a first-class slab or production of two-stream billets and three-stream billets by controlling the water outlet of a tundish to be closed and changing the arc section of the slab or the billet simultaneously by changing a slab or a billet crystallizer, thereby improving the utilization rate of continuous casting machine equipment and avoiding idle and waste of the continuous casting machine.
In order to achieve the above object, the present utility model provides the following technical solutions:
The continuous casting production line compatible with the slabs and the billets comprises a molten steel tank, a molten steel tank rotary table for bearing the molten steel tank, a tundish positioned below the molten steel tank, a tundish car for supporting and carrying the tundish, and a continuous casting production line compatible with the slabs and the billets connected with a water gap of the tundish, wherein the tundish is provided with at least three water outlets, the water gap corresponds to a continuous casting production line of a first-class slab or a billet, and the water outlets on two sides correspond to continuous casting production lines of a first-class billet respectively; the slab continuous casting production line comprises a slab crystallizer component, a slab arc section, a sector section shared by a continuous casting machine, a flame cutting machine and a dummy bar arranged on a roller way, which are sequentially arranged; the billet continuous casting production line comprises a billet crystallizer component, a billet arc section, a sector section shared by the continuous casting machine, a flame cutting machine and a dummy bar arranged on a roller way, which are sequentially arranged.
Further, the slab crystallizer assembly comprises a slab crystallizer and a crystallizer vibration device; the square billet crystallizer component comprises a square billet crystallizer and a crystallizer vibration device, wherein the crystallizer vibration device is a continuous casting machine sharing device and is arranged on the inner arc side and the outer arc side of the continuous casting machine through a supporting beam.
Further, the slab arc section is provided with a close-packed roller for supporting and guiding a casting blank; the square billet arc section is provided with an arc-shaped guide plate for supporting and guiding a casting blank.
Further, the slab cooling water nozzle and the square billet cooling water nozzle are arranged on the sector section, the slab cooling water nozzle and the square billet cooling water nozzle are mutually independent, spraying ranges are not mutually interfered, and a drawing guide rail for replacing the sector section is arranged in the radial direction of the sector section.
Further, the slab crystallizer, the crystallizer vibrating device, the slab arc section and the sector section are provided with slab cooling water loops, the square billet crystallizer, the crystallizer vibrating device, the square billet arc section and the sector section are provided with square billet cooling water loops, and the slab cooling water loops and the square billet cooling water loops are switched through cut-off valves.
Further, the dummy bar is provided with a replaceable slab dummy bar head and a square billet dummy bar head.
Compared with the prior art, the utility model has the following beneficial effects:
The continuous casting production line compatible with the slab and the square billet can produce the slab on one continuous casting machine, can produce multi-flow square billets, can improve the capability of coping with market risks, and can also improve the equipment utilization rate of the continuous casting machine.
The switching production of the slab and the square billet can be realized by replacing the crystallizer and the arc-shaped section equipment, the cooling nozzle is not required to be replaced independently, the number of equipment required to be replaced for producing different casting blanks is obviously reduced, and the production efficiency of the continuous casting machine is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a slab continuous casting line of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the billet continuous casting line of the present utility model;
FIG. 3 is a schematic view of the arc-shaped section of the slab of the present utility model;
FIG. 4 is a schematic view of the arc section structure of the square billet of the present utility model;
Fig. 5 is a schematic structural view of a dummy bar of a slab according to the present utility model;
FIG. 6 is a schematic view of the structure of the dummy bar of the square billet of the present utility model;
FIG. 7 is a layout of the nozzle of the slab sector of the present utility model;
Fig. 8 is a layout of a nozzle of the square billet segment of the present utility model.
The marks in the figure: the casting mold comprises a molten steel tank 1, a molten steel tank revolving platform 2, a tundish 3, a tundish 4, a slab crystallizer 5, a crystallizer vibrating device 6, a supporting beam 7, a slab arc section 8, a sector section 9, a sector section extraction guide rail 10, a flame cutting machine 11, a dummy bar 12, a roller way 13, a square billet crystallizer 14, a square billet arc section 15, a slab dummy bar head 16, a square billet dummy bar head 17, a square billet cooling water nozzle 18 and a slab cooling water nozzle 19.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
FIG. 1 is a schematic diagram of the overall structure of a slab continuous casting line of the present utility model; FIG. 2 is a schematic diagram of the overall structure of the billet continuous casting line of the present utility model; FIG. 3 is a schematic view of the arc-shaped section of the slab of the present utility model; FIG. 4 is a schematic view of the arc section structure of the square billet of the present utility model; fig. 5 is a schematic structural view of a dummy bar of a slab according to the present utility model; FIG. 6 is a schematic view of the structure of the dummy bar of the square billet of the present utility model;
FIG. 7 is a layout of the nozzle of the slab sector of the present utility model; FIG. 8 is a layout of nozzles of a sector of billets according to the present utility model, as shown, a continuous casting line of compatible slabs and billets, comprising a ladle 1, a ladle turret 2 carrying a ladle, a tundish 4 located below the ladle, a tundish 3 for supporting and carrying the tundish, a continuous casting line of compatible slabs and billets connected to the nozzle of the tundish 4, the tundish having at least three water outlets, the water outlets on both sides corresponding to a continuous casting line of a first-class slab or billet, respectively; the slab continuous casting production line comprises a slab crystallizer component, a slab arc section 8, a sector section 9 shared by a continuous casting machine, a flame cutting machine 11 and a dummy bar 12 arranged on a roller way 13 which are sequentially arranged; the billet continuous casting production line comprises a billet crystallizer component, a billet arc-shaped section 15, a sector section 9 shared by a continuous casting machine, a flame cutting machine 11 and a dummy bar 12 arranged on a roller way 13 which are sequentially arranged, wherein the slab crystallizer component comprises a slab crystallizer 5 and a crystallizer vibration device 6; the square billet crystallizer assembly comprises a square billet crystallizer 14 and a crystallizer vibration device 6, wherein the crystallizer vibration device 6 is a continuous casting machine sharing device and is arranged on the inner arc side and the outer arc side of the continuous casting machine through a support 7 beam, and the slab arc section 8 is provided with a close-packed roller for supporting and guiding a casting blank; the square billet arc section 15 is provided with an arc guide plate for supporting and guiding a casting blank, the slab arc section 8 and the square billet arc section 15 can be pulled out from the upper part of the crystallizer vibration device 6 for replacement, the scheme achieves the purpose of switching and producing a first-class slab or producing a second-class square billet and a third-class square billet by controlling the water outlet of the intermediate tank 4 to be closed and replacing the slab arc section 8 and the square billet arc section 15 while replacing the slab crystallizer 5 and the square billet crystallizer 14, and the utilization rate of continuous casting machine equipment is improved, so that the idle and waste of a continuous casting machine are avoided.
In this embodiment, the slab cooling water nozzle 19 and the square billet cooling water nozzle 18 are disposed on the sector section 9, the slab cooling water nozzle 19 and the square billet cooling water nozzle 18 are disposed independently, spraying ranges are not interfered with each other, and the extraction guide rail 10 for replacing the sector section 9 is disposed in the radial direction of the sector section 9, and radial extraction and offline maintenance and adjustment of the sector section 9 are facilitated through the extraction guide rail 10.
In this embodiment, slab cooling water loops are arranged on the slab crystallizer 5, the crystallizer vibrating device 6, the slab arc-shaped section 8 and the fan-shaped section 9, square billet cooling water loops are arranged on the square billet crystallizer 14, the crystallizer vibrating device 6, the square billet arc-shaped section 15 and the fan-shaped section 9, and the slab cooling water loops and the square billet cooling water loops realize the switching of the cooling water loops through a cut-off valve.
In this embodiment, the dummy bar 12 is provided with a replaceable slab dummy bar head 16 and a square billet dummy bar head 17, and when the slab is produced in this scheme, the dummy bar 12 sequentially passes through the roller table 13, the fan-shaped section 9 and the slab arc section 8 to enter the slab crystallizer 5; closing the water gaps at two sides of the intermediate tank 4, allowing the liquid molten steel in the molten steel tank 1 to flow into the intermediate tank 4 through the long water gap, allowing the liquid molten steel to enter the slab crystallizer 5 through the middle water gap, cooling to form a slab with a liquid core, continuously cooling the slab through the slab arc section 8 and the fan section 9, pulling out the fan section 9 through the dummy bar 12 after the slab is completely solidified, and cutting the slab into required specified length by the flame cutting machine 11 to obtain the slab with the set specification; when square billets are produced, after the slab crystallizer 5 and the slab arc section 8 are replaced by the square billet crystallizer 14 and the square billet arc section 15, the dummy bar 12 sequentially passes through the roller way 13, the fan-shaped section 9 and the square billet arc section 15 to enter the square billet crystallizer 14, two sides or all water gaps of the intermediate tank 4 are opened, liquid molten steel in the molten steel tank 1 flows into the intermediate tank 4 through the long water gaps, the molten steel enters the square billet crystallizer 14 after being split, the square billets are cooled to form square billets with liquid cores, the square billets are continuously cooled through the square billet arc section 15 and the fan-shaped section 9, the fan-shaped section 9 is pulled out through the dummy bar 12, and the flame cutting machine 11 cuts the slab into required square billets with the required specified length, so that the square billets with the set specification are obtained.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (7)
1. The utility model provides a compatible slab and continuous casting production line of square billet, includes the molten steel jar, bears the molten steel jar revolving platform of molten steel jar, is located the tundish of molten steel jar below, be used for supporting the delivery the tundish car, with compatible slab and the continuous casting production line of square billet that the mouth of a river of tundish meets, its characterized in that: the middle tank is provided with at least three water outlets, the middle water outlet corresponds to a continuous casting production line of a continuous casting slab or a billet, and the water outlets at two sides respectively correspond to the continuous casting production line of the continuous casting slab;
The slab continuous casting production line comprises a slab crystallizer component, a slab arc section, a sector section shared by a continuous casting machine, a flame cutting machine and a dummy bar arranged on a roller way, which are sequentially arranged;
the billet continuous casting production line comprises a billet crystallizer component, a billet arc section, a sector section shared by the continuous casting machine, a flame cutting machine and a dummy bar arranged on a roller way, which are sequentially arranged.
2. The continuous casting line compatible with slabs and billets according to claim 1, characterized in that: the slab crystallizer component comprises a slab crystallizer and a crystallizer vibration device; the square billet crystallizer component comprises a square billet crystallizer and a crystallizer vibration device, wherein the crystallizer vibration device is a continuous casting machine sharing device and is arranged on the inner arc side and the outer arc side of the continuous casting machine through a supporting beam.
3. The continuous casting line compatible with slabs and billets according to claim 1, characterized in that: the slab arc section is provided with a close-packed roller for supporting and guiding a casting blank; the square billet arc section is provided with an arc-shaped guide plate for supporting and guiding a casting blank.
4. The continuous casting line compatible with slabs and billets according to claim 1, characterized in that: the slab cooling water nozzle and the square billet cooling water nozzle are arranged on the fan-shaped section and are mutually independent, and the spraying range is not mutually interfered.
5. The continuous casting line compatible with slabs and billets according to claim 4, wherein: the radial direction of the sector section is provided with an extraction guide rail for replacing the sector section.
6. A continuous casting line compatible with slabs and billets according to any one of claims 2-4, characterized in that: the slab cooling water loop is arranged on the slab crystallizer, the crystallizer vibrating device, the slab arc section and the sector section, the square billet cooling water loop is arranged on the square billet crystallizer, the crystallizer vibrating device, the square billet arc section and the sector section, and the switching of the cooling water loop is realized through the cut-off valve by the slab cooling water loop and the square billet cooling water loop.
7. The continuous casting line compatible with slabs and billets according to claim 1, characterized in that: the dummy bar is provided with a replaceable slab dummy bar head and a square billet dummy bar head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321945515.XU CN220992809U (en) | 2023-07-21 | 2023-07-21 | Continuous casting production line compatible with slab and square billet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321945515.XU CN220992809U (en) | 2023-07-21 | 2023-07-21 | Continuous casting production line compatible with slab and square billet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220992809U true CN220992809U (en) | 2024-05-24 |
Family
ID=91120207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321945515.XU Active CN220992809U (en) | 2023-07-21 | 2023-07-21 | Continuous casting production line compatible with slab and square billet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220992809U (en) |
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2023
- 2023-07-21 CN CN202321945515.XU patent/CN220992809U/en active Active
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