CN115846601A - Pinch roll equipment for exchanging process of thin steel strip continuous casting multiple roll diameter crystallization rolls - Google Patents
Pinch roll equipment for exchanging process of thin steel strip continuous casting multiple roll diameter crystallization rolls Download PDFInfo
- Publication number
- CN115846601A CN115846601A CN202211675803.8A CN202211675803A CN115846601A CN 115846601 A CN115846601 A CN 115846601A CN 202211675803 A CN202211675803 A CN 202211675803A CN 115846601 A CN115846601 A CN 115846601A
- Authority
- CN
- China
- Prior art keywords
- roll
- roller
- pinch
- frame
- crystallization
- 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
Links
Images
Landscapes
- Continuous Casting (AREA)
Abstract
The invention relates to the technical field of metallurgical continuous casting metal strips, and discloses pinch roll equipment for a process of continuously casting multiple roll-diameter crystallization rolls by thin steel strips, which comprises a deviation-correcting pinch roll and a pinch roll before cutting; the inside of the pinch roll of rectifying includes first frame, and the inside of first frame is provided with first roller and the first lower roll of relative rotation, and the top of first frame is provided with the first pneumatic cylinder that is used for removing first roller and the inside bottom of first frame is provided with the second pneumatic cylinder that is used for removing first lower roll, and the below of first lower roll is provided with first running roller. In order to ensure that the strip steel does not deviate from the center of the roller in the running process and improve the tension in front and back of the rolling mill, two pairs of correction pinch rollers are arranged in front of the rolling mill, so that the tension in front of the rolling mill can be ensured, the strip steel can be ensured not to deviate when entering the rolling mill, a pair of correction pinch rollers are also arranged behind the rolling mill, the tension on the outlet side of the rolling mill is ensured, and the problem of subsequent deviation of the strip steel is solved.
Description
Technical Field
The invention relates to the technical field of metallurgical continuous casting metal strips, in particular to pinch roll equipment for a process of exchanging crystallization rolls with various roll diameters in the continuous casting of thin steel strips.
Background
The thin strip steel continuous casting technology is a leading-edge technology with short flow, low cost, low energy consumption and environmental protection in the field of metallurgy, integrates the traditional processes of continuous casting, rolling, heat treatment and the like, completes a short-flow thin strip steel continuous casting production line, greatly shortens the flow of the whole production line, saves a large amount of labor cost and energy cost, and improves the yield; the occupied area is small, the equipment is simple and centralized, and the early investment is small; the material has unique sub-rapid solidification characteristics, special microstructure and excellent performance; the thickness of the obtained casting belt is close to that of the final product, so the process has the advantages of low equipment investment, low energy consumption and the like, and realizes green manufacturing in the steel industry.
In a thin steel strip continuous casting machine set, when molten steel passes through a pair of crystallization rollers with circulating cooling water introduced therein to rotate relatively, the molten steel is extruded by the crystallization rollers to form thin steel strips in a shell-condensed shape, and the thin steel strips pass through a sealed incubator and are sent into a rolling mill by a deviation-correcting pinch roller and then are coiled by a coiling machine; the pinch roll of the existing thin steel strip continuous casting unit has no active deviation rectifying function, and the strip steel is easy to deviate and scrape edges during threading and running to cause shutdown faults.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides pinch roll equipment for a process of exchanging various roll diameter crystallization rolls in the continuous casting of thin steel strips, so that the problems are solved, and the problems in the background art are solved.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the pinch roll equipment for the process of exchanging the crystallization rolls with various roll diameters in the continuous casting of the thin steel strip comprises a deviation-correcting pinch roll and a pinch roll before shearing;
the interior of the deviation rectifying pinch roll comprises a first frame, a first upper roll and a first lower roll which rotate relatively are arranged in the first frame, a first hydraulic cylinder used for moving the first upper roll is arranged at the top end of the first frame, a second hydraulic cylinder used for moving a first lower roll is arranged at the bottom end in the first frame, a first roll wheel is arranged below the first lower roll, and a first track is arranged below the first roll wheel;
a water inlet and a water outlet are formed in the non-transmission sides of the first upper roller and the first lower roller, a transmission shaft is arranged on one side of the first frame, a reduction box is arranged on one side of the transmission shaft, and a motor is arranged on one side of the reduction box;
the inside of pinch roll is including the second frame before cutting, the inside second that is provided with relative rotation of second frame is gone up roller and second lower roll, the top of second frame is provided with the third pneumatic cylinder that is used for removing the second and goes up the roller, and the temple bottom of second frame is provided with the fourth pneumatic cylinder that is used for removing the second lower roll, the below of second lower roll is provided with the second roller, and the below of second roller is provided with the second track.
Preferably, the diameter of the first upper roller and the first lower roller is 300-800mm.
Preferably, the roller surfaces of the first upper roller, the first lower roller, the second upper roller and the second lower roller are in a convexity shape, the first upper roller, the first lower roller, the second upper roller and the second lower roller are eccentrically arranged along a roller shaft, and the eccentric distance is Max.50mm.
Preferably, a displacement sensor is arranged on the first hydraulic cylinder.
Preferably, the outlet side of the pinch roll before the shear is provided with a flying shear, and the outlet side of the flying shear is provided with two outlet steering pinch rolls, a coiler is arranged on the outlet side of the outlet steering pinch roll, a water mist cooling roller way is arranged on the inlet side of the pinch roll before the shear, a multifunctional detector is arranged on the outlet side of the deviation rectifying pinch roll, and the outlet side of the multifunctional detector is provided with a rolling mill, the outlet side of the rolling mill is provided with a thickness gauge, the inlet side of the deviation-rectifying pinch roll is provided with a horizontal heat-preserving box, a second arc-shaped guide plate is arranged inside the horizontal heat preservation box, a vertical heat preservation box is arranged at one side of the horizontal heat preservation box, the inside of the vertical heat-preserving box is provided with strip steel, the bottom end of the vertical heat-preserving box is provided with a sealing baffle plate, and the bottom end of the sealing baffle is provided with a waste box, the vertical heat preservation box is internally provided with a first arc-shaped guide plate, and the top of the vertical insulation can is provided with a crystallization roller trolley which is provided with a crystallization roller, and a brush roll for cleaning the crystallization roll, wherein a cooling wall is arranged on the crystallization roll trolley, a regional molten pool for receiving molten steel is formed at the upper part of the two crystallization rolls rotating relatively, a molten steel rectifier is arranged above the crystallization roll trolley, a molten steel distributor is arranged below the molten steel rectifier, a tundish body is arranged above the molten steel rectifier and is arranged on a tundish car, the tundish body is provided with an induction heating device, the bottom end of the tundish body is provided with a three-plate sliding plate and a tundish nozzle, an overflow bag is arranged on one side of the tundish body, a ladle slide plate is arranged above the tundish body, and a ladle turret is arranged above the ladle sliding plate, and a first ladle and a second ladle are placed in the ladle turret.
Preferably, the correcting pinch rolls in front of the rolling mill are two pairs of pinch rolls which are arranged in a frame whole body and are subjected to sealing treatment, and circulating cooling water is introduced into roll cores of the correcting pinch rolls for cooling.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
in order to ensure that the strip steel does not deviate from the center of the roller in the running process and improve the tension in front and back of the rolling mill, two pairs of correction pinch rollers are arranged in front of the rolling mill, so that the tension in front of the rolling mill can be ensured, the strip steel can be ensured not to deviate when entering the rolling mill, a pair of correction pinch rollers are also arranged behind the rolling mill, the tension on the outlet side of the rolling mill is ensured, and the problem of subsequent deviation of the strip steel is solved.
Drawings
FIG. 1 is a schematic view showing a surface portion of a pinch roll according to the present invention;
FIG. 2 is a schematic view of a thin steel strip manufacturing apparatus according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a layout view of the correcting pinch roll of the present invention;
FIG. 5 is a schematic side view of the front deviation-correcting pinch roll of the rolling mill according to the present invention;
FIG. 6 is a schematic view of the structure of the correcting pinch roll of the present invention;
FIG. 7 is a schematic diagram of a side view structure of a rear deviation-correcting pinch roll of a rolling mill according to the present invention.
In the figure: 1. a ladle turret; 101. a first ladle; 102. a second ladle; 2. a steel ladle sliding plate; 3. a tundish body; 301. a three-plate type sliding plate; 302. a tundish nozzle; 4. overflowing the flow; 5. a molten steel rectifier; 501. a molten steel distributor; 6. a crystallization roller; 7. a brush roll; 8. a first arc-shaped guide plate; 9. a vertical heat preservation box; 10. sealing the baffle; 11. a waste bin; 12. a second arc-shaped guide plate; 13. strip steel; 14. a horizontal heat preservation box; 15. correcting a pinch roll; 1501. a first upper roll; 1502. a first lower roll; 1503. a first hydraulic cylinder; 1504. a first roller; 1505. a first track; 1506. a second hydraulic cylinder; 1507. a motor; 1508. a reduction gearbox; 1509. a drive shaft; 1510. a water inlet; 1511. a water outlet; 16. a multifunctional detector; 17. a rolling mill; 18. a thickness gauge; 19. cooling the roller bed by water mist; 20. a pinch roll before shearing; 2001. a second upper roller; 2002. a second lower roll; 2003. a third hydraulic cylinder; 2004. a second roller; 2005. a second track; 2006. a fourth hydraulic cylinder; 21. flying shears; 22. an outlet turning pinch roll; 23. a coiler; 24. a molten pool; 25. and cooling the wall.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 4-7, the pinch roll apparatus for exchanging process of the multi-roll diameter crystallization roll in the continuous casting of thin steel strip comprises a deviation-correcting pinch roll 15 and a pinch roll 20 before cutting;
the inside of the deviation rectifying pinch roll 15 comprises a first frame, a first upper roll 1501 and a first lower roll 1502 which rotate relatively are arranged inside the first frame, a first hydraulic cylinder 1503 used for moving the first upper roll 1501 is arranged at the top end of the first frame, a second hydraulic cylinder 1506 used for moving the first lower roll 1502 is arranged at the bottom end inside the first frame, a first roller 1504 is arranged below the first lower roll 1502, and a first track 1505 is arranged below the first roller 1504;
a water inlet 1510 and a water outlet 1511 are arranged on the non-transmission sides of the first upper roller 1501 and the first lower roller 1502, a transmission shaft 1509 is arranged on one side of the first frame, a reduction box 1508 is arranged on one side of the transmission shaft 1509, and a motor 1507 is arranged on one side of the reduction box 1508;
the pinch roll before cutting 20 comprises a second frame, a second upper roll 2001 and a second lower roll 2002 which rotate relatively are arranged in the second frame, a third hydraulic cylinder 2003 for moving the second upper roll 2001 is arranged at the top end of the second frame, a fourth hydraulic cylinder 2006 for moving the second lower roll 2002 is arranged at the bottom end of the temporal part of the second frame, a second roll 2004 is arranged below the second lower roll 2002, and a second track 2005 is arranged below the second roll 2004.
Referring to fig. 1, 4-7, the diameter of the first upper roller 1501 and the first lower roller 1502 is 300-800mm.
In this embodiment, the first upper roller 1501 and the first lower roller 1502 are respectively connected through a motor 1507, a reduction box 1508 and a transmission shaft 1509, and the transmission motor 1507 is controlled by a variable frequency vector.
Referring to fig. 1, 4-7, the first upper roller 1501, the first lower roller 1502, the second upper roller 2001 and the second lower roller 2002 have convex roller surfaces, and the first upper roller 1501, the first lower roller 1502, the second upper roller 2001 and the second lower roller 2002 are eccentrically arranged along the roller axis, and the eccentric distance is max.50mm.
In this embodiment, in order to ensure the tension of the strip steel 13 before the rolling mill 17, the first upper and lower rollers are eccentrically arranged along the axial direction of the rollers, so as to increase the contact area between the rollers and the strip steel 13 and achieve the purpose of increasing the friction force, the first upper roller 1501 of the double-deviation-correcting pinch roller 15 at the inlet of the rolling mill 17 is offset towards the outlet rolling mill 17 along the axial direction relative to the first lower roller 1502, the shaft eccentric distance h is max.50mm, and the roller surfaces are convex; the second upper roll 2001 of the pinch roll 20 before shearing at the outlet of the rolling mill 17 is offset toward the inlet rolling mill 17 side in the axial direction with respect to the second lower roll 2002, the shaft eccentric distance h is max.50mm, and the roll surface is convex.
Referring to fig. 1, 4-7, a displacement sensor is disposed on the first hydraulic cylinder 1503.
In the embodiment, in the deviation-rectifying pinch device, a first upper roller 1501 and a second upper roller 2001 are lifted or pressed down by two first hydraulic cylinders 1503 on a transmission side and an operation side, the first hydraulic cylinders 1503 are provided with displacement sensors for detecting strokes, and the positions of the hydraulic cylinders are controlled by servo valves; the first lower roller 1502 and the second lower roller 2002 adjust the strip steel 13 to pass through a rolling line through a second hydraulic cylinder 1506; the pinch rollers are pulled out along the first rail 1505 and the second rail 2005 by the lower roller first roller 1504 and the second roller 2004 to an offline position for inspection.
Referring to FIGS. 2 and 3, the outlet side of the pinch roll 20 is provided with a flying shear 21, the outlet side of the flying shear 21 is provided with two outlet turning pinch rolls 22, the outlet side of the outlet turning pinch rolls 22 is provided with a coiler 23, the inlet side of the pinch roll 20 is provided with a water mist cooling roller bed 19, the outlet side of the pinch roll 15 is provided with a multifunctional detector 16, the outlet side of the multifunctional detector 16 is provided with a rolling mill 17, the outlet side of the rolling mill 17 is provided with a thickness gauge 18, the inlet side of the pinch roll 15 is provided with a horizontal heat insulation box 14, the inside of the horizontal heat insulation box 14 is provided with a second arc-shaped guide plate 12, one side of the horizontal heat insulation box 14 is provided with a vertical heat insulation box 9, the inside of the vertical heat insulation box 9 is provided with a strip steel 13, the bottom end of the vertical heat insulation box 9 is provided with a sealing baffle plate 10, the bottom end of the sealing baffle plate 10 is provided with a scrap box 11, the inside of the vertical heat insulation box 9 is provided with a crystallization roll carriage, the top of the vertical heat insulation box 9 is provided with a crystallization roll carriage 6, and a brush roll carriage 7 for cleaning the crystallization roll 6, the upper part of the middle slide plate 3 is provided with a molten steel heating device, and a lower end of the ladle carriage 3 is provided with a molten steel heating device for the middle slide plate 3, and a lower part of the upper part of the ladle carriage 3 is provided with a lower part of the upper part of the ladle is provided with a lower part of the ladle carriage 3, a first ladle 101 and a second ladle 102 are placed inside the ladle turret 1.
Referring to fig. 2 and 3, the correcting pinch roll 15 in front of the rolling mill 17 is formed by installing two pairs of pinch rolls in a frame body, and performing sealing treatment, and circulating cooling water is introduced into the roll core of the correcting pinch roll 15 for cooling.
In the embodiment, the deviation-correcting pinch rolls 15 in front of the rolling mill 17 are two pairs of pinch rolls and are arranged in a frame whole, the frame whole is subjected to sealing treatment, and protective nitrogen is introduced into an inner space in contact with the strip steel 13, so that the strip steel 13 passing through the pinch rolls is in contact with air as little as possible, and oxidation is reduced.
The working principle is as follows: firstly, molten steel flows into a molten steel rectifier 5 and a molten steel distributor 501 from a tundish body 3 and then is extruded and solidified by a pair of relatively rotating crystallization rollers 6 to form strip steel 13; then the strip steel 13 is guided by a first arc-shaped guide plate 8 in a vertical heat insulation box 9 and enters a deviation-rectifying pinch roll 15 through a roller way in a horizontal heat insulation box 14, a first upper roll 1501 and a first lower roll 1502 respectively rotate relatively through a motor 1507, the first upper roll 1501 and the first lower roll 1502 have roll-shaped convexity and are eccentrically arranged, and the deviation-rectifying function is achieved on the strip steel 13 passing through an outlet between the first upper roll 1501 and the first lower roll 1502 under the action of the pressure of a first hydraulic cylinder 1503 on the top of the first upper roll 1501; then the roller table 19 is rolled by a rolling mill 17 and cooled by water mist, and the roller table reaches a pinch roller 20 before shearing, and finally the roller table is sheared to a coiler 23 by a flying shear 21 to be coiled.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The pinch roll equipment for the process of exchanging the multiple roll-diameter crystallization rolls in the continuous casting of thin steel strips comprises a deviation-correcting pinch roll (15) and a pinch roll (20) before cutting, and is characterized in that:
the inside of the deviation rectifying pinch roll (15) comprises a first frame, a first upper roll (1501) and a first lower roll (1502) which rotate relatively are arranged inside the first frame, a first hydraulic cylinder (1503) used for moving the first upper roll (1501) is arranged at the top end of the first frame, a second hydraulic cylinder (1506) used for moving the first lower roll (1502) is arranged at the bottom end inside the first frame, a first roller wheel (1504) is arranged below the first lower roll (1502), and a first track (1505) is arranged below the first roller wheel (1504);
a water inlet (1510) and a water outlet (1511) are arranged on the non-transmission sides of the first upper roller (1501) and the first lower roller (1502), a transmission shaft (1509) is arranged on one side of the first frame, a reduction box (1508) is arranged on one side of the transmission shaft (1509), and a motor (1507) is arranged on one side of the reduction box (1508);
the inside of the pinch roll (20) before cutting comprises a second frame, a second upper roll (2001) and a second lower roll (2002) which rotate relatively are arranged inside the second frame, a third hydraulic cylinder (2003) used for moving the second upper roll (2001) is arranged at the top end of the second frame, a fourth hydraulic cylinder (2006) used for moving the second lower roll (2002) is arranged at the bottom end of the temporal portion of the second frame, a second roll wheel (2004) is arranged below the second lower roll (2002), and a second track (2005) is arranged below the second roll wheel (2004).
2. The apparatus of claim 1 for continuously casting multiple roll diameter crystallization roll interchange process pinch rolls in thin steel strip, wherein: the diameters of the first upper roller (1501) and the first lower roller (1502) are 300-800mm.
3. The apparatus of claim 1 for continuously casting multiple roll diameter crystallization roll interchange process pinch rolls in thin steel strip, wherein: the roller surfaces of the first upper roller (1501), the first lower roller (1502), the second upper roller (2001) and the second lower roller (2002) are convex, the first upper roller (1501), the first lower roller (1502), the second upper roller (2001) and the second lower roller (2002) are arranged along a roller shaft in an eccentric mode, and the eccentric distance is Max.50mm.
4. The apparatus of claim 1 for continuously casting multiple roll diameter crystallization roll interchange process pinch rolls in thin steel strip, wherein: and a displacement sensor is arranged on the first hydraulic cylinder (1503).
5. The apparatus of claim 1 for continuously casting multiple roll diameter crystallization roll interchange process pinch rolls in thin steel strip, wherein: the outlet side of the pinch roll (20) before the shears is provided with a flying shear (21), the outlet side of the flying shear (21) is provided with two outlet steering pinch rolls (22), the outlet side of the outlet steering pinch rolls (22) is provided with a coiler (23), the inlet side of the pinch roll (20) before the shears is provided with a water mist cooling roller way (19), the outlet side of the deviation rectifying pinch roll (15) is provided with a multifunctional detector (16), the outlet side of the multifunctional detector (16) is provided with a rolling mill (17), the outlet side of the rolling mill (17) is provided with a thickness gauge (18), the inlet side of the deviation rectifying pinch roll (15) is provided with a horizontal insulation box (14), the horizontal insulation box (14) is internally provided with a second arc-shaped guide plate (12), one side of the horizontal insulation box (14) is provided with a vertical insulation box (9), the vertical insulation box (9) is internally provided with strip steel (13), the bottom end of the vertical insulation box (9) is provided with a sealing baffle plate (10), the bottom end of the sealing baffle plate (10) is provided with a waste bin (9), the first arc-shaped guide plate (8) is vertically arranged in the insulation box (9), the top of the crystallization pinch roll (6) and the crystallization roll (6) and a crystallization roll cleaning machine, the ladle furnace is characterized in that a cooling wall (25) is arranged on the crystallization roller trolley, a regional molten pool (24) for receiving molten steel is formed at the upper parts of two relatively rotating crystallization rollers (6), a molten steel rectifier (5) is arranged above the crystallization roller trolley, a molten steel distributor (501) is arranged below the molten steel rectifier (5), a tundish body (3) is arranged above the molten steel rectifier (5), the tundish body is arranged on the tundish trolley and provided with an induction heating device, a three-plate sliding plate (301) and a tundish nozzle (302) are arranged at the bottom end of the tundish body (3), an overflow bag (4) is arranged on one side of the tundish body (3), a ladle sliding plate (2) is arranged above the tundish body (3), a ladle rotary table (1) is arranged above the ladle sliding plate (2), and a first ladle (101) and a second ladle (102) are placed in the ladle rotary table (1).
6. The apparatus of claim 5 for producing pinch rolls for use in the process of continuously casting multiple rolls of varying diameter for crystallizing rolls in a thin strip steel casting process, wherein: the correcting pinch roll (15) in front of the rolling mill (17) is formed by installing two pairs of pinch rolls in a frame whole body and performing closed treatment, and circulating cooling water is introduced into the roll core of the correcting pinch roll (15) for cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211675803.8A CN115846601A (en) | 2022-12-26 | 2022-12-26 | Pinch roll equipment for exchanging process of thin steel strip continuous casting multiple roll diameter crystallization rolls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211675803.8A CN115846601A (en) | 2022-12-26 | 2022-12-26 | Pinch roll equipment for exchanging process of thin steel strip continuous casting multiple roll diameter crystallization rolls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115846601A true CN115846601A (en) | 2023-03-28 |
Family
ID=85654823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211675803.8A Pending CN115846601A (en) | 2022-12-26 | 2022-12-26 | Pinch roll equipment for exchanging process of thin steel strip continuous casting multiple roll diameter crystallization rolls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115846601A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118080796A (en) * | 2024-01-18 | 2024-05-28 | 江苏振栋精密材料科技有限公司 | Amorphous strip production device |
-
2022
- 2022-12-26 CN CN202211675803.8A patent/CN115846601A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118080796A (en) * | 2024-01-18 | 2024-05-28 | 江苏振栋精密材料科技有限公司 | Amorphous strip production device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7909085B2 (en) | Process and plant for producing metal strip | |
| US7954539B2 (en) | Process and a plant for the production of metal strip | |
| US11123780B2 (en) | Device and method for achieving core part press-down technology in continuous casting round billet solidification process | |
| WO2022057924A1 (en) | Controlling surface wrinkles on thin strip produced by twin roll casting and hot rolling | |
| CN1972764A (en) | Process and system for manufacturing metal sheets without continuity between continuous casting and rolling | |
| US5400850A (en) | Plant for production of steel strip | |
| RU2747341C2 (en) | Combined cast and roll unit and method of endless manufacture of hot-rolled smoothing strip | |
| CN110087801B (en) | Method for continuously producing a wound hot-rolled steel strip in a combined casting and rolling installation | |
| CN115846601A (en) | Pinch roll equipment for exchanging process of thin steel strip continuous casting multiple roll diameter crystallization rolls | |
| WO2020030040A1 (en) | Production of twin-roll cast and hot rolled steel strip | |
| CN1202921C (en) | Method and device for continuously casting and rolling sheet bars | |
| CN219025865U (en) | Pinch roll equipment for thin steel strip continuous casting multiple roll diameter crystallization roll | |
| CN210587059U (en) | Square billet continuous casting machine clamping roller type sector three-section | |
| CN1278790C (en) | Continuous casting and rolling productive technology for figured steel | |
| CN219746275U (en) | Continuous casting device for composite metal material | |
| CN112139465A (en) | Continuous casting device and working method for aluminum alloy and composite plate strip blank thereof | |
| CN218798165U (en) | Rolling mill equipment for thin steel strip continuous casting multiple-roll-diameter crystallization roll | |
| CA1130981A (en) | Continuous cast steel bar and the method to produce same | |
| CN101875056A (en) | Magnesium alloy wide plate three-roll casting-rolling mill | |
| CN112170798B (en) | Production line applied to continuous casting of bloom and forging and rolling method thereof | |
| CN219025866U (en) | Thin steel strip continuous casting multiple roller diameter crystallization roller equipment | |
| CN103480649B (en) | A kind of Direct Rolling produces the method for long profiles | |
| CN115780515A (en) | Thin steel strip continuous casting multiple-roller-diameter crystallization roller interchange process rolling mill equipment | |
| CN104889162A (en) | Multi-wire-path continuous casting and rolling zinc wire production line | |
| CN217121327U (en) | Device for on-line shaping of flat strip steel roll |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |