CN111375737A - Side pressure withdrawal and straightening machine, continuous casting machine and continuous casting method - Google Patents
Side pressure withdrawal and straightening machine, continuous casting machine and continuous casting method Download PDFInfo
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- CN111375737A CN111375737A CN202010371194.1A CN202010371194A CN111375737A CN 111375737 A CN111375737 A CN 111375737A CN 202010371194 A CN202010371194 A CN 202010371194A CN 111375737 A CN111375737 A CN 111375737A
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- 238000009749 continuous casting Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000005266 casting Methods 0.000 claims abstract description 70
- 230000009467 reduction Effects 0.000 claims abstract description 34
- 238000003825 pressing Methods 0.000 claims description 14
- 238000005520 cutting process Methods 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims 5
- 238000007906 compression Methods 0.000 claims 5
- 230000009471 action Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007907 direct compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/1206—Accessories for subsequent treating or working cast stock in situ for plastic shaping of strands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/1226—Accessories for subsequent treating or working cast stock in situ for straightening strands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1287—Rolls; Lubricating, cooling or heating rolls while in use
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/14—Plants for continuous casting
- B22D11/142—Plants for continuous casting for curved casting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention provides a side pressure withdrawal and straightening machine, a continuous casting machine and a continuous casting method, wherein the side pressure withdrawal and straightening machine comprises: the guide device is provided with at least one sliding groove group, and the extending direction of each sliding groove group is perpendicular to the advancing direction of the casting blank; the side roller sets are arranged in the sliding groove sets in a sliding mode, the number of the side roller sets corresponds to that of the sliding groove sets, and each side roller set can be abutted against the side face of the casting blank; the driving assembly is in driving connection with the side roller sets, and the driving assembly can drive the side roller sets to slide in the corresponding sliding groove sets. The side roller group has the advantages that the side roller group can perform reduction operation on the side surface of the casting blank under the action of the driving assembly, the risk that the casting blank is subjected to vertical reduction and straightening and middle cracks are generated at the same time is avoided, and the internal quality of the casting blank can be improved.
Description
Technical Field
The invention relates to the technical field of continuous casting in steel production, in particular to a side pressure withdrawal and straightening machine, a continuous casting machine and a continuous casting method.
Background
With the development of the steel industry, users have higher and higher requirements on the quality of steel products. The central segregation and porosity of the cast blank can seriously affect the performance of the steel, and cause a series of quality defects. Defects on the casting blank are difficult to effectively eliminate in the subsequent heating and rolling processes, so that the quality of the final product is influenced.
The casting blank soft reduction technology compensates the solidification shrinkage of the casting blank by applying pressure near the tail end of the liquid core of the continuous casting blank to generate a certain reduction, and can effectively eliminate center segregation and porosity. The application of the soft reduction technology in square billet production of special steel enterprises is common at present. At present, the soft reduction technology adopts unidirectional reduction of an upper roller, and because the casting blank structure and defects are directional under unidirectional reduction, the upper roller is usually simultaneously pressed with the straightening of the casting blank, so that the risk of intermediate cracks is increased.
Disclosure of Invention
The invention provides a side pressure withdrawal and straightening machine, a continuous casting machine and a continuous casting method, which aim to improve the internal quality of a casting blank.
The technical scheme adopted by the invention for solving the technical problems is as follows: a lateral pressure withdrawal and straightening machine comprises: the guide device is provided with at least one sliding groove group, and the extending direction of each sliding groove group is perpendicular to the advancing direction of the casting blank; the side roller sets are arranged in the sliding groove sets in a sliding mode, the number of the side roller sets corresponds to that of the sliding groove sets, and each side roller set can be abutted against the side face of the casting blank; the driving assembly is in driving connection with the side roller sets, and the driving assembly can drive the side roller sets to slide in the corresponding sliding groove sets.
Furthermore, the guiding device comprises an upper guiding device and a lower guiding device, the upper guiding device and the lower guiding device are arranged at intervals in the vertical direction, each sliding groove group comprises an upper sliding groove arranged on the upper guiding device and a lower sliding groove arranged on the lower guiding device, and the upper sliding groove corresponds to the lower sliding groove in position.
Further, every side roller set all includes two side rollers that the structure is the same, and two side rollers set up along the horizontal direction symmetric spacing, form the space that is used for holding the casting blank between two side rollers, and the upper end of every side roller all is connected with the last sliding tray that corresponds, and the lower extreme of every side roller all is connected with the lower sliding tray that corresponds.
Furthermore, the number of the driving assemblies corresponds to the number of the side rollers, each driving assembly comprises a hydraulic cylinder and a side pressure lower frame, the side rollers are mounted on the side pressure lower frames, and the hydraulic cylinders are in driving connection with the side pressure lower frames.
Furthermore, the two driving assemblies are symmetrically arranged on two sides of the casting blank, each driving assembly comprises a hydraulic cylinder and a side pressure lower frame, a plurality of side rollers positioned on the first side of the casting blank are all arranged on one side pressure lower frame, a plurality of side rollers positioned on the second side of the casting blank are all arranged on the other side pressure lower frame, and each hydraulic cylinder is in driving connection with the corresponding side pressure lower frame.
Further, each hydraulic cylinder is provided with a displacement sensor and a hydraulic control valve.
Furthermore, the side pressure withdrawal and straightening machine further comprises a frame which is of a rectangular structure, the lower guide device is arranged on the lower side of the frame, the upper guide device is arranged on the upper side of the frame, and the hydraulic cylinder is fixedly arranged on the corresponding side edge of the frame.
The invention also provides a continuous casting machine, which comprises the tundish, the submersed nozzle, the crystallizer vibration device, the movable section, the fixed section, the direct-pressure withdrawal and straightening machine, the side-pressure withdrawal and straightening machine, the flame cutting machine and the knockout roller bed which are arranged in sequence, wherein the side-pressure withdrawal and straightening machine is the side-pressure withdrawal and straightening machine.
Furthermore, the number of the direct-pressure withdrawal and straightening machines and the number of the lateral-pressure withdrawal and straightening machines are multiple, the multiple direct-pressure withdrawal and straightening machines and the multiple lateral-pressure withdrawal and straightening machines are alternately arranged along the advancing direction of the casting blank to form withdrawal and straightening sections, and the tail parts of the withdrawal and straightening sections are the direct-pressure withdrawal and straightening machines.
The invention also provides a continuous casting method which is operated by adopting the continuous casting machine and comprises the following steps: step 10, enabling the casting blank to sequentially pass through a movable section and a fixed section from a crystallizer to move to the head position of a pulling and straightening section; step 20, alternately carrying out vertical reduction and lateral reduction on the casting blank in the withdrawal and straightening section; and 30, discharging the casting blank passing through the pulling and straightening section through a fire cutting machine and a discharging roller way.
The side roller group has the advantages that the side roller group can perform reduction operation on the side surface of the casting blank under the action of the driving assembly, the risk that the casting blank is subjected to vertical reduction and straightening and middle cracks are generated at the same time is avoided, and the internal quality of the casting blank can be improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a lateral pressure withdrawal and straightening machine in an embodiment of the present invention;
FIG. 2 is a schematic structural view of a continuous casting machine according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the direct compression withdrawal and straightening unit in fig. 2.
Reference numbers in the figures: 1. an intermediate tank; 2. an immersion nozzle; 3. a crystallizer; 4. a crystallizer vibration device; 5. an active segment; 6. casting blanks; 7. a fixed section; 8. a direct-compression withdrawal and straightening machine; 801. a direct-pressing frame; 802. a lower roll; 803. upper roll; 804. a pressing device; 805. a direct-pressure driving device; 9. a lateral pressure withdrawal and straightening machine; 901. a frame; 902. a lower guide; 903. a hydraulic cylinder; 904. laterally pressing the lower frame; 905. a side roller; 906. an upper guide device; 10. cutting the machine with fire; 11. and (4) a knockout roller way.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in FIG. 1, the embodiment of the invention provides a side pressure withdrawal and straightening machine which comprises a guide device, at least one group of side roller sets and a driving assembly. The guide device is provided with at least one sliding groove group, and the extending direction of each sliding groove group is perpendicular to the advancing direction of the casting blank; at least one group of side roller sets can be arranged in the sliding groove group in a sliding mode, the number of the side roller sets corresponds to that of the sliding groove group, and each group of side roller sets can be abutted to the side face of the casting blank; the driving assembly is in driving connection with the side roller sets, and the driving assembly can drive the side roller sets to slide in the corresponding sliding groove sets.
The side face of the casting blank can be subjected to reduction operation under the action of the driving assembly by the at least one group of side roller sets, so that the risk that middle cracks are generated when the casting blank is subjected to vertical reduction and straightening is avoided, and the internal quality of the casting blank can be improved.
Specifically, the guiding device includes an upper guiding device 906 and a lower guiding device 902, the upper guiding device 906 and the lower guiding device 902 are arranged at intervals along the vertical direction, each sliding groove group includes an upper sliding groove arranged on the upper guiding device 906 and a lower sliding groove arranged on the lower guiding device 902, and the upper sliding groove corresponds to the lower sliding groove.
The purpose of arranging the upper sliding groove and the lower sliding groove is to enable the side roller set to be smoother in the sliding process, so that blocking cannot occur, and the driving assembly is convenient to control the reduction to ensure the internal quality of the casting blank. Meanwhile, the parallelism of the side roller set during reduction can be ensured, the side roller set is not formed into a wedge shape, and the casting blank is not biased.
Every side roller set all includes two side rollers 905 that the structure is the same, and two side rollers 905 set up along horizontal direction symmetric interval, forms the space that is used for holding the casting blank between two side rollers 905, and the upper end of every side roller 905 all is connected with the last sliding tray that corresponds, and the lower extreme of every side roller 905 all is connected with the lower sliding tray that corresponds.
The two side rolls 905 having the same structure can simultaneously reduce two side surfaces of the casting blank, and can ensure that the reduction amounts are the same or independent from each other as required, and can be applied to different types of casting blanks.
In one of the embodiments of the present invention, the number of the driving assemblies corresponds to the number of the side rollers 905, each driving assembly comprises a hydraulic cylinder 903 and a side pressure lower frame 904, the side rollers 905 are mounted on the side pressure lower frame 904, and the hydraulic cylinder 903 is in driving connection with the side pressure lower frame 904.
That is, one drive unit is attached to each side roll 905, and the reduction amounts of the side rolls 905 are independent of each other, so that the same or different pressures can be applied to different positions of the same casting product, and the casting product can be produced more flexibly.
In another embodiment, the two driving assemblies are symmetrically arranged on two sides of the casting block, each driving assembly comprises a hydraulic cylinder 903 and a side pressure lower frame 904, a plurality of side rollers 905 positioned on the first side of the casting block are arranged on one side pressure lower frame 904, a plurality of side rollers 905 positioned on the second side of the casting block are arranged on the other side pressure lower frame 904, and each hydraulic cylinder 903 is in driving connection with the corresponding side pressure lower frame 904.
The plurality of side rolls 905 positioned on the same side of the casting blank are all arranged on the same side pressure lower frame 904, and the side pressure lower frame 904 is driven by the corresponding hydraulic cylinders 903, so that the rolling reduction of the plurality of side rolls 905 is consistent, and the problem of casting blank deflection is avoided.
Preferably, each of the hydraulic cylinders 903 in the above two embodiments is provided with a displacement sensor and a hydraulic control valve. The displacement sensor is provided, and a hydraulic control valve having a soft-pressing function is provided, so that accurate control of the displacement and pressure of the hydraulic cylinder 903 can be achieved.
Further, as shown in fig. 1, the lateral pressure withdrawal and straightening unit in the embodiment of the present invention further includes a frame 901, which is a rectangular structure, a lower guide 902 is disposed at a lower side of the frame 901, an upper guide 906 is disposed at an upper side of the frame 901, and a hydraulic cylinder 903 is fixedly disposed at a corresponding side of the frame 901.
The frame 901 can ensure the installation stability of each component, and the frame 901 can protect each component.
In order to save space, the side pressure withdrawal and straightening machine according to the embodiment of the present invention has no driving device, i.e., the side roll 905 is not provided with a device for driving the side roll to rotate. Of course, a driving device may be added to drive the side roller 905 to rotate according to different requirements.
As shown in fig. 2, the present invention further provides a continuous casting machine, comprising a tundish 1, a submerged nozzle 2, a crystallizer 3, a crystallizer vibrating device 4, a movable section 5, a fixed section 7, a straight-pressing withdrawal and straightening unit 8, a lateral-pressing withdrawal and straightening unit 9, a flame cutting unit 10 and a knockout roller table 11, which are arranged in sequence, wherein the lateral-pressing withdrawal and straightening unit 9 is the lateral-pressing withdrawal and straightening unit 9 in claim 1.
Molten steel flows into a tundish 1 from a ladle and then enters a crystallizer 3 through a submerged nozzle 2, after a casting blank 6 is solidified into a blank shell in the crystallizer 3, the casting blank 6 descends to enter a movable section 5 and then enters a fixed section 7, and then enters a direct-pressure withdrawal and straightening machine 8 and a lateral-pressure withdrawal and straightening machine 9, a flame cutting machine 10 is arranged behind the direct-pressure withdrawal and straightening machine 8 and the lateral-pressure withdrawal and straightening machine 9, and a blank discharging roller way 11 is arranged below the flame cutting machine 10.
Preferably, the number of the direct-pressure withdrawal and straightening machines 8 and the number of the lateral-pressure withdrawal and straightening machines 9 are multiple, the multiple direct-pressure withdrawal and straightening machines 8 and the multiple lateral-pressure withdrawal and straightening machines 9 are alternately arranged along the advancing direction of the casting blank to form withdrawal and straightening sections, and the tail part of each withdrawal and straightening section is the direct-pressure withdrawal and straightening machine 8 and is used for pressing the casting blank when a dummy ingot is removed.
The vertical reduction and the lateral reduction of the casting blank 6 are alternately performed through the alternate reduction of the direct-pressure tension leveler 8 and the lateral-pressure tension leveler 9, so that the internal stress of the casting blank 6 is optimized, four surfaces of the casting blank 6 are all subjected to reduction, the internal quality of the casting blank 6 is improved, and the risk of generating intermediate cracks when the vertical reduction and the straightening are performed simultaneously is reduced.
As shown in fig. 3, the direct-pressure withdrawal and straightening machine 8 is composed of a direct-pressure frame 801, a lower roller 802, an upper roller 803, a screwdown 804, a direct-pressure driving device 805, and the like, and the structure and the installation arrangement of the direct-pressure withdrawal and straightening machine 8 are the same as those of a conventional direct-pressure withdrawal and straightening machine, and the details thereof are not repeated here.
The basic arc radius of the continuous casting machine in the embodiment of the invention is 10000-17000 mm, and the section of the casting blank is 200 × 200-410 × 530 mm.
The invention also provides a continuous casting method which is carried out by adopting the continuous casting machine and comprises the following steps:
step 10, enabling the casting blank to sequentially pass through the movable section 5 and the fixed section 7 from the crystallizer 3 to move to the head position of the pulling and straightening section;
step 20, alternately carrying out vertical reduction and lateral reduction on the casting blank in the withdrawal and straightening section;
and step 30, the casting blank passing through the pulling and straightening section passes through a fire cutting machine 10 and a discharging roller way 11 to be discharged.
The continuous casting method can realize the alternative reduction of the square billet in the vertical direction and the lateral direction, and by adopting the technology, the uniformity in the casting blank can be improved, the quality of the casting blank can be improved, and the middle cracks of the casting blank can be reduced.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the vertical reduction and the lateral reduction of the casting blank 6 are alternately performed through the alternate reduction of the direct-pressure tension leveler 8 and the lateral-pressure tension leveler 9, so that the internal stress of the casting blank 6 is optimized, four surfaces of the casting blank 6 are all subjected to reduction, the internal quality of the casting blank 6 is improved, and the risk of generating intermediate cracks when the vertical reduction and the straightening are performed simultaneously is reduced.
The above description is only exemplary of the invention and should not be taken as limiting the scope of the invention, so that the invention is intended to cover all modifications and equivalents of the embodiments described herein. In addition, the technical features, the technical schemes and the technical schemes can be freely combined and used.
Claims (10)
1. A side pressure withdrawal and straightening machine is characterized by comprising:
the guide device is provided with at least one sliding groove group, and the extending direction of each sliding groove group is perpendicular to the advancing direction of the casting blank;
at least one group of side roller sets, which are arranged in the sliding groove groups in a sliding manner, wherein the number of the side roller sets corresponds to that of the sliding groove groups, and each group of side roller sets can be abutted against the side surface of the casting blank;
and the driving assembly is in driving connection with the side roller sets and can drive the side roller sets to slide in the corresponding sliding groove groups.
2. The side pressure withdrawal straightening machine according to claim 1, characterized in that the guide device comprises an upper guide device (906) and a lower guide device (902), the upper guide device (906) and the lower guide device (902) are arranged at intervals in the vertical direction, each slide groove group comprises an upper slide groove arranged on the upper guide device (906) and a lower slide groove arranged on the lower guide device (902), and the upper slide groove corresponds to the lower slide groove.
3. The side pressure withdrawal and straightening machine as claimed in claim 2, wherein each side roller set comprises two side rollers (905) with the same structure, the two side rollers (905) are symmetrically arranged at intervals along the horizontal direction, a space for accommodating the casting blank is formed between the two side rollers (905), the upper end of each side roller (905) is connected with the corresponding upper sliding groove, and the lower end of each side roller (905) is connected with the corresponding lower sliding groove.
4. The side tension leveler of claim 3, wherein the number of the driving assemblies corresponds to the number of the side rollers (905), each driving assembly comprises a hydraulic cylinder (903) and a side tension lower frame (904), the side rollers (905) are mounted on the side tension lower frame (904), and the hydraulic cylinders (903) are in driving connection with the side tension lower frame (904).
5. The side pressure withdrawal and straightening unit as claimed in claim 3, wherein the two driving assemblies are symmetrically arranged on two sides of the casting block, each driving assembly comprises a hydraulic cylinder (903) and a side pressure lower frame (904), a plurality of side rollers (905) on the first side of the casting block are arranged on one side pressure lower frame (904), a plurality of side rollers (905) on the second side of the casting block are arranged on the other side pressure lower frame (904), and each hydraulic cylinder (903) is in driving connection with the corresponding side pressure lower frame (904).
6. The lateral pressure tension leveler of claim 4 or 5, wherein each of the hydraulic cylinders (903) is provided with a displacement sensor and a hydraulic control valve.
7. The lateral pressure withdrawal straightening machine according to claim 6, characterized in that the lateral pressure withdrawal straightening machine further comprises a frame (901) in a rectangular structure, the lower guide (902) is arranged at the lower side of the frame (901), the upper guide (906) is arranged at the upper side of the frame (901), and the hydraulic cylinder (903) is fixedly arranged at the corresponding side of the frame (901).
8. A continuous casting machine, which comprises a tundish (1), a submerged nozzle (2), a crystallizer (3), a crystallizer vibration device (4), a movable section (5), a fixed section (7), a straight-pressing withdrawal and straightening machine (8), a side-pressing withdrawal and straightening machine (9), a flame cutting machine (10) and a knockout roller way (11) which are arranged in sequence, and is characterized in that the side-pressing withdrawal and straightening machine (9) is the side-pressing withdrawal and straightening machine (9) as claimed in claim 1.
9. Continuous casting machine according to claim 8, characterized in that the number of the vertical compression straightening machines (8) and the number of the lateral compression straightening machines (9) are plural, and plural numbers of the vertical compression straightening machines (8) and plural numbers of the lateral compression straightening machines (9) are alternately arranged in the traveling direction of the cast slab and form a withdrawal section, and the tail position of the withdrawal section is the vertical compression straightening machine (8).
10. A continuous casting method operated by the continuous casting machine according to claim 9, characterized by comprising:
step 10, enabling the casting blank to sequentially pass through the movable section (5) and the fixed section (7) from the crystallizer (3) and to move to the head position of the pulling and straightening section;
step 20, alternately carrying out vertical reduction and lateral reduction on the casting blank in the withdrawal and straightening section;
and step 30, the casting blank passing through the pulling and straightening section passes through the fire cutting machine (10) and the discharging roller way (11) to be off-line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010371194.1A CN111375737A (en) | 2020-05-06 | 2020-05-06 | Side pressure withdrawal and straightening machine, continuous casting machine and continuous casting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010371194.1A CN111375737A (en) | 2020-05-06 | 2020-05-06 | Side pressure withdrawal and straightening machine, continuous casting machine and continuous casting method |
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| Publication Number | Publication Date |
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| CN111375737A true CN111375737A (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010371194.1A Withdrawn CN111375737A (en) | 2020-05-06 | 2020-05-06 | Side pressure withdrawal and straightening machine, continuous casting machine and continuous casting method |
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| CN (1) | CN111375737A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399632A (en) * | 2021-06-24 | 2021-09-17 | 重庆钢铁股份有限公司 | Process for preventing billet head bending during casting or recasting of continuous casting square billet |
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| CN2421094Y (en) * | 2000-01-14 | 2001-02-28 | 鞍山钢铁学院 | Roll for rolling continuous cast blank with liquid core |
| CN102046308A (en) * | 2008-05-23 | 2011-05-04 | 西门子Vai金属科技有限责任公司 | Strand guide segment |
| AT509895A1 (en) * | 2010-05-17 | 2011-12-15 | Tbr Casting Technologies Gmbh | continuous casting |
| JP2013252542A (en) * | 2012-06-07 | 2013-12-19 | Nippon Steel & Sumitomo Metal Corp | Method for continuously casting cast slab |
| WO2014030701A1 (en) * | 2012-08-22 | 2014-02-27 | 新日鐵住金株式会社 | Method for continuous casting of steel, and method for manufacturing bar steel |
| CN105209194A (en) * | 2013-06-20 | 2015-12-30 | 新日铁住金株式会社 | Continuous casting method for cast slab |
| CN206839078U (en) * | 2017-06-27 | 2018-01-05 | 中冶京诚工程技术有限公司 | Continuous casting billet pressing equipment |
| CN110508765A (en) * | 2019-09-09 | 2019-11-29 | 东北大学 | A kind of bloom continuous casting manufacturing method for being conducive to eliminate core defect |
| CN212310798U (en) * | 2020-05-06 | 2021-01-08 | 中冶京诚工程技术有限公司 | Side pressure withdrawal and straightening machine and continuous casting machine thereof |
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2020
- 2020-05-06 CN CN202010371194.1A patent/CN111375737A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0679420A (en) * | 1992-09-03 | 1994-03-22 | Kawasaki Heavy Ind Ltd | Cast billet forming device for horizontal continuous casting equipment |
| CN2421094Y (en) * | 2000-01-14 | 2001-02-28 | 鞍山钢铁学院 | Roll for rolling continuous cast blank with liquid core |
| CN102046308A (en) * | 2008-05-23 | 2011-05-04 | 西门子Vai金属科技有限责任公司 | Strand guide segment |
| AT509895A1 (en) * | 2010-05-17 | 2011-12-15 | Tbr Casting Technologies Gmbh | continuous casting |
| JP2013252542A (en) * | 2012-06-07 | 2013-12-19 | Nippon Steel & Sumitomo Metal Corp | Method for continuously casting cast slab |
| WO2014030701A1 (en) * | 2012-08-22 | 2014-02-27 | 新日鐵住金株式会社 | Method for continuous casting of steel, and method for manufacturing bar steel |
| CN103764316A (en) * | 2012-08-22 | 2014-04-30 | 新日铁住金株式会社 | Method for continuous casting of steel, and method for manufacturing bar steel |
| CN105209194A (en) * | 2013-06-20 | 2015-12-30 | 新日铁住金株式会社 | Continuous casting method for cast slab |
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| CN110508765A (en) * | 2019-09-09 | 2019-11-29 | 东北大学 | A kind of bloom continuous casting manufacturing method for being conducive to eliminate core defect |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399632A (en) * | 2021-06-24 | 2021-09-17 | 重庆钢铁股份有限公司 | Process for preventing billet head bending during casting or recasting of continuous casting square billet |
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Application publication date: 20200707 |