CN112122344A - System platform for hot charging of large-section casting blank through hot conveying - Google Patents
System platform for hot charging of large-section casting blank through hot conveying Download PDFInfo
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- CN112122344A CN112122344A CN202010938165.9A CN202010938165A CN112122344A CN 112122344 A CN112122344 A CN 112122344A CN 202010938165 A CN202010938165 A CN 202010938165A CN 112122344 A CN112122344 A CN 112122344A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
- B21B1/466—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The invention belongs to the technical field of continuous casting equipment, and particularly relates to a system platform for hot delivery and hot charging of a large-section casting blank for continuous casting-steel rolling; the specific technical scheme is as follows: the utility model provides a system platform of big section casting blank heat send hot dress, including conticaster and receiving arrangement, link to each other through continuous ejection roll table between conticaster and the receiving arrangement, fixed heating device is equipped with on the conticaster, casting blank handling equipment is equipped with between conticaster and the continuous ejection roll table, the casting blank railcar is equipped with in the continuous ejection roll table, establish fixed heat preservation cover in the casting blank railcar, the top of fixed heat preservation cover closes through activity heat preservation cover lid, the both sides of continuous ejection roll table are equipped with closed fence, closed fence constitutes soft sealed rail transport system, the intersection department of continuous ejection roll table is equipped with the video monitoring system, the operation of whole system platform is controlled through the video monitoring system, play high temperature loading, arrive fast, it provides the guarantee to charge for high temperature or realize the direct rolling of casting blank.
Description
Technical Field
The invention belongs to the technical field of continuous casting equipment, relates to a continuous casting-steel rolling section connecting and conveying platform, and particularly relates to a continuous casting-steel rolling large-section casting blank hot conveying and hot charging system platform.
Background
The continuous casting billet hot feeding and hot charging process is a process of cutting a hot casting billet produced by continuous casting, directly feeding the hot casting billet into heat preservation devices such as a heat preservation pit of a steel mill or directly heating and then rolling the hot casting billet at a high temperature. The continuous casting blank hot conveying and hot loading is divided into the following steps according to the temperature of conveying a high-temperature casting blank to a rolling mill: hot charging is more than 400-700 ℃, direct charging is more than 700-950 ℃, and direct rolling is more than 950 ℃. The casting blank direct rolling technology is the most ideal energy-saving technology, but the casting blank direct rolling technology is the most difficult to realize. In order to realize the direct rolling technology of the casting blank, a plurality of steel enterprises connect a newly-built continuous casting machine or a newly-built rolling machine in front and back. For example, a No. 5 slab caster is newly built in front of an original No. 1 hot rolled strip steel rolling workshop in the Italy Talando plant, and 100 percent direct rolling is realized.
The method has the advantages that good effects are obtained, and due to historical reasons, many steel enterprise continuous casting machines in China are far away from a rolling mill, so that the problem of rapidly conveying high-temperature casting blanks cannot be solved, only 'hot charging' can be realized at present, and the hot charging temperature and the hot charging rate are not high. The energy-saving effect is not obvious. And in developed countries, such as Xinri iron Bapan factories, the distance between steel making and steel rolling is 600m, the steel is conveyed by a high-speed insulation board blank vehicle, the conveying speed is 200m/min, the conveying time is 3min, the hot charging temperature is more than 800 ℃, the conveying speed is high, the time is short, the hot charging temperature is high, and the energy-saving effect is quite obvious. The distance between steel making and steel rolling of a water island plant of Kawasaki Steel company in Japan is l000 m, a high-speed heat-preservation plate blank transport vehicle is used for transporting a continuous casting blank at the speed of 250m/min, the hot charging temperature is higher than 720 ℃, the continuous casting blank can be transported to a steel rolling plant after 4min, the hot charging and direct charging temperature is increased, the hot charging rate is increased, the proportion of direct hot charging rolling and direct rolling is increased, the method has great significance for saving energy, protecting environment and improving economic efficiency, and particularly can complete 'direct rolling' hot charging hot delivery at the temperature of more than 950 ℃.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides the rapid hot charging and hot delivery system platform which can greatly improve the direct rolling ratio, has high delivery speed and provides guarantee for high-temperature charging or realization of direct rolling of casting blanks.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a system platform for hot conveying and hot charging of large-section casting blanks comprises a continuous casting machine and a receiving device, wherein the continuous casting machine is connected with the receiving device through a continuous casting roller way;
a plurality of pouring baskets are arranged on the continuous casting machine in parallel, each pouring basket is provided with a cutting machine and a fixed heating device, and a casting blank loading and unloading device is arranged between the continuous casting machine and the continuous billet discharging roller way and is used for loading and unloading casting blanks.
And a casting blank rail car is arranged in the continuous ejection roller way and is designed for conveying a single casting blank or a plurality of casting blanks in a stacked manner. The casting blank rail car comprises a frame, a wheel set arranged at the bottom of the frame and a fixed heat-insulating cover arranged at the top of the car, wherein the top of the fixed heat-insulating cover is covered by a movable heat-insulating cover;
and closed fences are arranged on two sides of the continuous billet discharging roller way, the closed fences form a soft-sealing rail transportation system, and the closed fences ensure that the whole rail is in a fully closed or almost closed state and are used for conveying hot billets by a casting blank rail car.
A plurality of crossing monitoring cameras and a plurality of barrier monitoring cameras are arranged at the crossing of the continuous ejection roller way.
According to actual needs, the closed fence can be automatically controlled to be opened and closed, and can also be manually controlled to be opened and closed.
The casting blank loading and unloading equipment is a quick unloading mechanism.
The fixed heating device extends to a straightening area and a rolling area in the continuous casting machine.
An electric sliding contact line is arranged in the continuous billet discharging roller way, the casting blank rail car is connected with the electric sliding contact line through an upper sliding contact device to realize upper end direction connection, the casting blank rail car is connected with the electric sliding contact line through a lateral sliding contact device to realize lateral direction connection, and the casting blank rail car is driven by a built-in electric driver.
The casting blank rail car is internally provided with wireless communication equipment, controls the electric driver through the wireless communication equipment, and controls the electric driving equipment through the wireless communication equipment, so that automatic unmanned driving is realized.
A charging power source is arranged in the casting blank rail car.
And the plurality of crossing monitoring cameras and the plurality of barrier monitoring cameras form a monitoring system, and the monitoring system controls the running speed of the casting blank rail car.
And a casting blank surface detection device is also arranged between the continuous casting machine and the continuous knockout roller way.
The receiving device is a rolling mill, or a heating furnace, or a casting blank heat preservation warehouse.
The system platform adopts a full-flow and full-system computer monitoring system, monitors road conditions, controls heating and vehicle speed, matches with continuous casting-transportation-rolling rhythm, and is linked with steel mill MES, transportation MES and ERP.
Compared with the prior art, the invention adopts special track transportation, can quickly arrive by improving the transportation speed no matter the distance is far or near, and simultaneously each transport vehicle can be delivered by one vehicle. Therefore, high-temperature loading and quick arrival can be realized, and guarantee is provided for high-temperature furnace loading or realization of direct rolling of casting blanks.
Drawings
Fig. 1 is a schematic structural diagram of the platform of the system.
Fig. 2 is a front structural schematic diagram of a casting blank rail car.
Fig. 3 is a schematic side view of a casting blank rail car.
Fig. 4 is a schematic diagram of equipment installation at an intersection of the system platform.
In the figure, 1 is a continuous casting machine, 2 is a receiving device, 3 is a knockout roller way, 4 is a cutting machine, 5 is a fixed heating device, 6 is a casting blank loading and unloading device, 7 is a casting blank rail car, 8 is a frame, 9 is a wheel set, 10 is a fixed heat-insulating cover, 11 is a movable heat-insulating cover, 12 is an upper support, 13 is an upper sliding contactor, 14 is a side support, 15 is a side sliding contactor, 16 is a closed fence, 17 is a crossing monitoring camera, 18 is a barrier monitoring camera, 19 is a tundish and 20 is a vehicle-mounted heater.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in figure 1, the system platform for hot delivery and hot charging of the large-section casting blank comprises a continuous casting machine 1 and a receiving device 2, wherein the continuous casting machine 1 is connected with the receiving device 2 through a continuous casting roller way 3.
A plurality of pouring baskets 19 are arranged on the continuous casting machine 1 in parallel, a cutting machine 4 and a fixed heating device 5 are mounted on each pouring basket 19, a casting blank loading and unloading device 6 is mounted between the continuous casting machine 1 and the continuous casting discharging roller way 3, and the casting blank loading and unloading device 6 is used for loading and unloading casting blanks.
As shown in fig. 2 and 3, a casting blank rail car 7 is installed in the continuous ejection roller table 3, and the casting blank rail car 7 is designed to transport a single casting blank length or a plurality of casting blank stacking lengths. The casting blank rail car 7 comprises a frame 8, a wheel set 9 installed at the bottom of the frame 8 and a fixed heat-insulating cover 10 installed at the top of the car, the top of the fixed heat-insulating cover 10 is covered by a movable heat-insulating cover 11, the movable heat-insulating cover 11 is opened and used for containing a casting blank, the movable heat-insulating cover 11 is closed and used for transporting the casting blank, an upper support 12 is further fixed at the top of the frame 8, and an upper sliding contactor 13 is installed on the upper support 12 to realize a connection mode of lifting the upper end; a side bracket 14 is fixed on the side surface of the frame 8, and a side sliding contact device 15 is arranged on the side bracket 14 to realize a connection mode of extending out in the side direction.
In the operation process, the continuous casting machine 1 respectively loads a casting blank rail vehicle 7 with hot blanks, the casting blank rail vehicle 7 is loaded with a plate blank to be delivered, one casting blank rail vehicle 7 is in transportation, and the other casting blank rail vehicle borrows materials beside the continuous casting machine 1. Soaking and heating the continuous casting blank by a fixed heater before cutting off the continuous casting blank; after the continuous casting billet is cut off, the continuous casting billet is quickly loaded into a casting billet rail car 7 through a casting billet loading and unloading device 6, and a control system determines whether to heat in the casting billet rail car 7 according to needs so as to ensure the heat delivery temperature.
As shown in fig. 4, two sides of the continuous ejection roller 3 are provided with closed fences 16, the closed fences 16 constitute a soft-sealing rail transportation system, and the closed fences 16 ensure that the whole rail is in a fully closed or almost closed state for transporting hot billets by the casting blank rail car 7.
In the transportation process, when the casting blank rail car 7 runs outdoors, the front sliding contact line rod and the rear sliding contact line rod of the casting blank rail car 7 are lifted to be connected with a power supply, the top power sliding contact line is lowered in a workshop, the end measuring sliding contact line rod is connected with the power supply, a vehicle-mounted heater 20 is arranged in the casting blank rail car 7 and can heat, and the casting blank is loaded and unloaded when the movable heat preservation cover 11 is opened.
A closed fence 16 is additionally arranged on a line for conveying casting blanks, and a barrier fence monitoring camera 18 is arranged at an intersection for monitoring so as to ensure that no people enter. The crossing road condition is monitored by the crossing monitoring cameras 17 and the plurality of barrier monitoring cameras 18 in the closed fence 16 in a combined mode, and when the control system prompts the crossing to be closed in advance, the closed fence 16 is put down and the monitoring system confirms that the closed fence 16 is normal, the casting blank rail car 7 can pass through at a high speed.
A plurality of crossing monitoring cameras 17 and a plurality of barrier monitoring cameras 18 are arranged at the crossing of the continuous ejection roller way 3.
The closing fence 16 can be automatically controlled to be opened or closed or can be manually controlled to be opened or closed according to actual needs.
The casting blank loading and unloading equipment 6 is a quick unloading mechanism.
The fixed heating device 5 extends to a straightening area and a rolling area in the continuous casting machine 1.
An electric power sliding contact line is arranged in the continuous billet discharging roller way 3, the casting blank rail car 7 is connected with the electric power sliding contact line through an upper sliding contact device 13 to realize upper end direction connection, the casting blank rail car 7 is connected with the electric power sliding contact line through a side sliding contact device 15 to realize lateral direction connection, and the casting blank rail car 7 is driven by a built-in electric power driver.
Wireless communication equipment is arranged in the casting blank rail car 7, the casting blank rail car 7 controls the electric power driver through the wireless communication equipment, and the electric power driving equipment is controlled through the wireless communication equipment, so that automatic unmanned driving is realized.
A charging power source is arranged in the casting blank rail car 7.
The monitoring system is composed of a plurality of crossing monitoring cameras 17 and a plurality of barrier monitoring cameras 18, is connected with the whole-process control system, controls the running speed of the casting blank rail car 7, and adopts a manual and automatic soft sealing system for timely closing the crossing.
A casting blank surface detection device is also arranged between the continuous casting machine 1 and the continuous knockout roller way 3 to ensure the hot delivery quality of the blanks.
Preferably, the receiving device 2 is a rolling mill, a heating furnace, or a casting blank heat preservation warehouse.
The system platform adopts a full-flow and full-system computer monitoring system, monitors road conditions, controls heating and vehicle speed, matches with continuous casting-transportation-rolling rhythm, and is linked with steel mill MES, transportation MES and ERP.
Because the invention adopts the closed track transportation, the vehicle can run at high speed; and the transportation time is short and is far faster than the automobile transportation by adopting a soft sealing mode to pass through the intersection. The multistream continuous casting machine 1 feeds a casting blank rail vehicle 7, basically realizes one blank delivery to each stream casting blank rail vehicle 7, has better transportation effect than a conventional train, and plays a role in high-temperature loading. And (3) combining an optimized continuous casting secondary cooling system, and increasing the surface temperature of the casting blank out of the withdrawal and straightening machine, wherein the surface temperature is higher than 950 ℃. The hot charging temperature can be obviously improved by combining with other measures such as heat preservation measures, measures for accelerating loading and unloading and the like, and the hot charging rate of the hot charging temperature higher than 800 ℃ can be higher than 90%. Meanwhile, the proportion of direct hot charging rolling and direct rolling can be obviously improved. A casting blank surface detection device is arranged between the continuous casting machine 1 and the casting blank rail car 7 waiting for the casting blank loading position, so that the quality of hot-delivery casting blanks is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included therein.
Claims (10)
1. The system platform for hot conveying and hot charging of the large-section casting blank is characterized by comprising a continuous casting machine (1) and a receiving device (2), wherein the continuous casting machine (1) is connected with the receiving device (2) through a continuous casting roller way (3);
a plurality of tundishes (19) are arranged on the continuous casting machine (1) in parallel, a cutting machine (4) and a fixed heating device (5) are arranged on each tundish (19), and a casting blank loading and unloading device (6) is arranged between the continuous casting machine (1) and the continuous casting roll table (3);
a casting blank rail car (7) is arranged in the continuous ejection roller way (3), the casting blank rail car (7) comprises a frame (8), a wheel set (9) arranged at the bottom of the frame (8) and a fixed heat-insulating cover (10) arranged at the top of the car, the top of the fixed heat-insulating cover (10) is covered by a movable heat-insulating cover (11), an upper support (12) is further fixed at the top of the frame (8), an upper sliding contactor (13) is arranged on the upper support (12), a lateral support (14) is further fixed on the side surface of the frame (8), and a lateral sliding contactor (15) is arranged on the lateral support (14);
two sides of the continuous ejection roller way (3) are provided with closed fences (16);
a plurality of crossing monitoring cameras (17) and a plurality of barrier monitoring cameras (18) are arranged at the crossing of the continuous ejection roller way (3).
2. A system platform for hot-feeding and hot-charging of large-cross-section billets as claimed in claim 1, characterised in that the closing bars (16) are controlled automatically or manually.
3. A system platform for hot delivery and hot charging of large cross-section billets as claimed in claim 1 characterised in that the billet handling equipment (6) is a quick unloading mechanism.
4. A system platform for hot-charging a large-section cast slab according to claim 1, characterized in that the fixed heating means (5) extends to the straightening area, rolling area in the continuous casting machine (1).
5. The system platform for hot delivery and hot charging of the large-section casting blank according to claim 1, wherein an electric sliding contact line is arranged in the continuous casting roller way (3), the casting blank rail car (7) is connected with the electric sliding contact line through an upper sliding contact device (13) or a side sliding contact device (15), and the casting blank rail car (7) is driven by a built-in electric driver.
6. The system platform for hot delivery and hot charging of large-section casting billets as claimed in claim 1, wherein wireless communication equipment is arranged in the casting billet rail car (7), and the casting billet rail car (7) controls a power driver through the wireless communication equipment.
7. The system platform for hot conveying and hot charging of large-section casting blanks as claimed in claim 1, wherein a charging power source is arranged in the casting blank rail car (7).
8. The system platform for hot feeding and hot charging of large-section casting blanks according to claim 1, wherein a monitoring system is formed by the plurality of intersection monitoring cameras (17) and the plurality of barrier monitoring cameras (18), and the monitoring system controls the running speed of the casting blank rail car (7).
9. The system platform for hot delivery and hot charging of a large-section casting blank according to claim 1, wherein a casting blank surface detection device is further arranged between the continuous casting machine (1) and the continuous casting run table (3).
10. The system platform for hot delivery and hot charging of a large-section casting blank according to claim 1, wherein the receiving device (2) is a rolling mill, a heating furnace or a casting blank heat preservation warehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938165.9A CN112122344B (en) | 2020-09-09 | 2020-09-09 | System platform for hot charging of large-section casting blank through hot conveying |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938165.9A CN112122344B (en) | 2020-09-09 | 2020-09-09 | System platform for hot charging of large-section casting blank through hot conveying |
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| CN112122344A true CN112122344A (en) | 2020-12-25 |
| CN112122344B CN112122344B (en) | 2022-09-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029348A (en) * | 2021-11-09 | 2022-02-11 | 中冶南方工程技术有限公司 | Automatic steel billet shunting system |
| CN114472555A (en) * | 2022-01-26 | 2022-05-13 | 首钢长治钢铁有限公司 | Double-line processing production system |
| CN115351253A (en) * | 2022-09-30 | 2022-11-18 | 重庆赛迪工程咨询有限公司 | Remote billet hot delivery system and method |
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| CN114029348A (en) * | 2021-11-09 | 2022-02-11 | 中冶南方工程技术有限公司 | Automatic steel billet shunting system |
| CN114472555A (en) * | 2022-01-26 | 2022-05-13 | 首钢长治钢铁有限公司 | Double-line processing production system |
| CN115351253A (en) * | 2022-09-30 | 2022-11-18 | 重庆赛迪工程咨询有限公司 | Remote billet hot delivery system and method |
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| Publication number | Publication date |
|---|---|
| CN112122344B (en) | 2022-09-06 |
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| CP03 | Change of name, title or address |
Address after: 030003 2 tipped lawn street, pointed lawn area, Taiyuan, Shanxi Patentee after: Baoxin software (Shanxi) Co.,Ltd. Address before: No.2, Jiancaoping street, Jiancaoping District, Taiyuan City, Shanxi Province Patentee before: Shanxi Yunshi Taigang Information Automation Technology Co.,Ltd. |