CN112122343B - Quick direct-feeding system platform for small-section casting blank - Google Patents
Quick direct-feeding system platform for small-section casting blank Download PDFInfo
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- CN112122343B CN112122343B CN202010938164.4A CN202010938164A CN112122343B CN 112122343 B CN112122343 B CN 112122343B CN 202010938164 A CN202010938164 A CN 202010938164A CN 112122343 B CN112122343 B CN 112122343B
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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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Abstract
The invention belongs to the technical field of continuous casting billet transportation equipment, and relates to a rapid direct-conveying system platform for continuous casting of small-section casting billets-hot conveying and hot charging of rolled steel; the specific technical scheme is as follows: the utility model provides a quick direct-feeding system platform of small cross section casting blank, including conticaster and receiving arrangement, link to each other through the transportation track between conticaster and the receiving arrangement, parallel arrangement has a plurality of tundishes in the middle of the conticaster, all be equipped with cutting machine and fixed heating device on every tundish, the conticaster is equipped with casting blank handling equipment conticaster and has arranged a plurality of casting blank railcar between the receiving arrangement with the orbital junction of transportation, a plurality of casting blank railcars can reciprocating motion in the transportation track, the transportation of continuous casting blank is realized to the reciprocating motion of a plurality of casting blank railcars, this transportation system platform, combine high temperature ejection of compact technique simultaneously, no matter far and near, almost all can reach rapidly through improving the transport speed, charge or realize higher casting blank direct rolling rate and provide the guarantee for high temperature.
Description
Technical Field
The invention belongs to the technical field of continuous casting billet transportation equipment, relates to a transportation system platform for continuous casting-rolled steel transportation of a small-section casting billet, and particularly relates to a rapid direct transportation system platform for hot feeding and hot charging of continuous casting-rolled steel of the small-section casting billet.
Background
The continuous casting billet hot feeding and hot charging process is a process of directly feeding hot casting billets produced by continuous casting to heat preservation devices such as heat preservation pits of a steel mill or directly heating and then rolling the hot casting billets at a high temperature after cutting the hot casting billets into fixed sizes. 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: the hot charging is more than 400-700 ℃, the direct charging is more than 700-950 ℃, and the direct rolling is more than 950 ℃, wherein the casting blank direct rolling technology is most ideal in energy conservation, but is also most difficult to realize. In order to realize the casting blank direct rolling technology, a plurality of steel enterprises connect a newly-built continuous casting machine or a newly-built rolling machine in front and back so as to realize direct rolling.
The small-section continuous casting billet accounts for about half of the national steel yield. For historical reasons, many small-section continuous casting machines of steel enterprises in China are far away from rolling mills, and more roads and railway intersections exist, so that the direct assembly and direct rolling can be realized. When the distance between the continuous casting machine and the rolling mill exceeds 200-400 m, direct rolling can hardly be realized.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a rapid direct delivery system platform which is suitable for small-section casting blanks and can have high hot charging temperature.
In order to realize the purpose, the technical scheme adopted by the invention is as follows: a small-section casting blank rapid direct-conveying system platform comprises a computer control system, a continuous casting machine and a receiving device, wherein the continuous casting machine is connected with the receiving device through a conveying rail.
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 at the joint of the continuous casting machine and the conveying track and is used for loading and unloading casting blanks.
A plurality of casting blank rail cars are arranged between the continuous casting machine and the receiving device, the casting blank rail cars can reciprocate in the conveying rail, and the reciprocating motion of the casting blank rail cars realizes the conveying of the continuous casting blanks.
The casting blank railcar includes the frame, and the wheelset has been arranged to the bottom of frame, and the top of frame is equipped with fixed heat preservation cover, is equipped with on-vehicle heater in the fixed heat preservation cover, and the top of fixed heat preservation cover closes through activity heat preservation cover lid, even has side support on the lateral wall of fixed heat preservation cover, is equipped with side sliding contact ware on the side support.
The two sides of the conveying track are additionally provided with isolating devices to form a soft-sealing closed track, and the closed track ensures that the whole conveying track is in a fully-closed or almost-closed state and is used for conveying hot blanks by a casting blank track car.
And a casting blank loading and unloading device is arranged at the joint of the receiving device and the conveying track, so that the loading and unloading of the casting blanks are facilitated.
A video monitoring system is arranged at the intersection of the transportation tracks and controls the running speed of the casting blank rail car.
The food monitoring system detects road conditions, controls heating and vehicle speed, the computer control system matches continuous casting-transportation-rolling rhythm and is connected with the ERP, and the computer control system is used for controlling the operation of the whole system platform according to information fed back by the video monitoring system.
An electric drive device and a wireless communication device are arranged in the casting blank rail car, the casting blank rail car is connected with an external electric power source through a sliding contact line, and the wireless communication device controls the operation of the electric drive device.
A charging power source is arranged in the casting blank rail car.
The wheel set is arranged on the frame through a bogie.
And adjacent casting blank rail cars are in flexible connection.
And a casting blank surface detection device is arranged between the continuous casting machine and the conveying track.
The receiving device is a rolling mill or a casting blank heat preservation pit.
The tail of the casting blank rail car is provided with a rear baffle which can prevent the casting blank from moving relative to the casting blank rail car.
Compared with the prior art, the invention has the following beneficial effects: the transportation system platform is combined with a high-temperature knockout technology, can almost reach the high-temperature knockout platform quickly by improving the transportation speed no matter the distance is far or near, and provides guarantee for high-temperature charging or realizing higher direct casting blank rolling rate.
Drawings
Fig. 1 is a schematic structural diagram of the platform of the system.
Fig. 2 is a schematic front structure view of the casting blank rail car in fig. 1.
Fig. 3 is a schematic side view of the casting blank rail car in fig. 1.
Fig. 4 is a schematic view of a transportation state of the casting blank rail car.
In the figure, 1 is a continuous casting machine, 11 is a tundish, 12 is a cutting machine, 13 is a fixed heating device, 14 is a casting blank loading and unloading device, 15 is a casting blank surface detection device, 2 is a receiving device, 3 is a transportation rail, 4 is a casting blank rail car, 41 is a frame, 42 is a wheel set, 43 is a fixed heat preservation cover, 44 is a vehicle-mounted heater, 45 is a movable heat preservation cover, 46 is a side bracket, 47 is a side sliding contactor, and 48 is a rear baffle.
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 do not limit the invention.
As shown in fig. 1-4, a platform of a rapid direct-feeding system for a small-section casting blank comprises a computer control system, 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 conveying rail 3.
A plurality of pouring baskets 11 are arranged on the continuous casting machine 1 in parallel, a cutting machine 12 and a fixed heating device 13 are arranged on each pouring basket 11, a casting blank loading and unloading device 14 is arranged at the joint of the continuous casting machine 1 and the conveying track 3, and the casting blank loading and unloading device 14 is used for loading and unloading casting blanks.
A plurality of casting blank rail cars 4 are arranged between the continuous casting machine 1 and the receiving device 2, the casting blank rail cars 4 can reciprocate in the conveying rail 3, and the reciprocating motion of the casting blank rail cars 4 realizes the conveying of a continuous casting blank.
The slab track car 4 is designed to have a car body width that is the sum of widths of the respective strands that are transported in the multistrand casting machine 1.
The casting blank rail car 4 comprises a frame 41, a wheel group 42 is arranged at the bottom of the frame 41, a fixed heat-insulating cover 43 is arranged at the top of the frame 41, three layers of four blocks are arranged in the fixed heat-insulating cover 43, the width of the car is determined for the transportation of the four-strand continuous casting machine 1, a vehicle-mounted heater 44 is arranged in the fixed heat-insulating cover 43, and the vehicle-mounted heater 44 is used for heat insulation, soaking and heating of the transported casting blanks. The top of the fixed heat-insulating cover 43 is covered by a movable heat-insulating cover 45, and the movable heat-insulating cover 45 can be automatically opened and closed for loading and unloading casting blanks. The top of the fixed heat-insulating cover 43 is also connected with an upper bracket, an upper sliding contact line is arranged on the upper bracket, the side wall of the fixed heat-insulating cover 43 is connected with a side bracket 46, and a side sliding contact device 47 is arranged on the side bracket 46. The casting blank rail car 4 is connected with a sliding contact line through a sliding contact device and has a connection mode of up-down connection and lateral connection.
The transportation track 3 comprises a closed track formed by the stereo crossing of the existing track and a highway intersection, two sides of the transportation track 3 are additionally provided with isolation devices to form a soft-sealing closed track, and the closed track ensures that the whole track is in a fully-closed or almost-closed state and is used for conveying hot blanks by a casting blank track car 4.
The transportation track 3 adopts a special track and comprises a route from a blank conveying track to a rolling mill and a finishing route, and 4 return lines, an avoidance line and a fault car parking line of different casting blank track cars.
The casting blank rail car 4 on the transport track 3 car directly receives the casting blank of two cold section outputs, and the casting blank on the casting blank rail car 4 can directly transmit to transport track 3 on.
The transport track 3 is provided with a conveying roller way, and can be butted with all casting blanks output by the roller way when receiving the casting blanks and can be butted and transmitted to tracks of a rolling mill and a heating furnace when unloading the casting blanks; or the casting blank loading and unloading equipment 14 is used for connecting the casting blank rail car 4 with all the discharging roller ways; or the casting blank loading and unloading device 14 is used for connecting the casting blank rail car 4 with the rolling mill and the heating furnace rail.
The fixed heating device 13 of the continuous casting machine 1, the vehicle-mounted heater 44 of the casting blank rail car 4, the fixed heat-insulating cover 43 and the movable heat-insulating cover 45 are matched with each other to form a whole-process heating and heat-insulating device of a conveying line.
And a casting blank loading and unloading device 14 is arranged at the joint of the receiving device 2 and the conveying track 3, so that the loading and unloading of the continuous casting blanks are facilitated.
And a video monitoring system is arranged at the intersection of the conveying track 3 and controls the running speed of the casting blank rail car 4.
The food monitoring system detects road conditions, controls heating and vehicle speed, the computer control system matches with the continuous casting-transportation-rolling rhythm and is connected with the ERP, and the computer control system is used for controlling the operation of the whole system platform according to the information fed back by the video monitoring system.
An electric driving device and a wireless communication device are arranged in the casting blank rail car 4, the casting blank rail car 4 is connected with an external electric power source through a sliding contact line, and the wireless communication device controls the operation of the electric driving device. The wireless communication equipment and the electric drive equipment are combined to form an automatic control system, and the automatic control system controls the casting blank rail car 4 to realize unmanned driving.
Be equipped with the power supply that charges in casting blank railcar 4, the power supply that charges can guarantee that casting blank railcar 4 realizes wireless operation.
The wheel sets 42 are mounted on the frame 41 by a bogie.
The adjacent casting blank rail cars 4 are in soft connection or no connection, and the trolleys are controlled to be in coordination and synchronous connection through wireless communication.
A casting blank surface detection device 15 is arranged between the continuous casting machine 1 and the conveying track 3.
The receiving device 2 is a rolling mill or a casting blank heat preservation pit.
The tail part of the casting blank rail car 4 is provided with a back baffle plate 48, and the back baffle plate 48 can prevent the casting blank from moving relative to the casting blank rail car 4.
The specific working process is as follows:
as shown in fig. 1, the slab is heated by soaking with a fixed heater before being cut, and is quickly loaded into the slab track car 4 by the slab handling equipment 14 after being cut, and the control system determines whether to heat the slab in the slab track car 4 as required to ensure the hot delivery temperature. The continuous casting machine 1 sequentially loads hot billets to a casting billet rail car 4, and the hot billets can be delivered after being filled with one billet rail car, and the round trip does not exceed 20 min. In the transportation process, one casting blank rail car 4 is in transportation, and the other casting blank rail car 4 receives materials beside the continuous casting machine 1.
As shown in fig. 4, each casting blank rail car 4 is controlled by the system to start and stop in a wireless manner, and a plurality of casting blank rail cars run synchronously. Each casting blank rail car 4 is provided with a roller way which can be butted with all the discharging roller ways to receive the casting blank, and finally, the rollers of the casting blank rail cars 4 can be lifted to prevent the casting blank from sliding. The multiple vehicles are connected and controlled through wireless communication, and 3 vehicles can coordinately receive casting blanks output by all roller ways, synchronously run and coordinately output the conveyed casting blanks to a receiving track of a rolling area.
The invention adopts special track transportation, and no intersection with a highway is arranged in the middle, and the track transportation system comprises a blank conveying track line, an avoidance line and a fault vehicle parking line. The transportation time of the casting blank transport vehicle is only start, stop and middle high-speed transportation, the high speed can be more than 60Km/h, namely the speed is more than 1000m/min, and the transportation speed is far greater than the transportation speed of an automobile.
And the surface temperature of the casting blank taken out of the withdrawal and straightening unit is increased by combining the optimized continuous casting secondary cooling system, and the surface temperature is higher than 950 ℃, so that the effect of high-temperature loading is achieved. 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 15 is arranged between the continuous casting machine 1 and the casting blank rail car 4 waiting for the casting blank loading position to ensure the quality of the hot delivery casting blank.
The above description is intended only to illustrate the preferred embodiments of the present invention, and should not be construed as limiting the invention, so that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A small-section casting blank rapid direct-conveying system platform is characterized by comprising a computer control system, 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 conveying rail (3);
a plurality of tundishes (11) are arranged on the continuous casting machine (1) in parallel, a cutting machine (12) and a fixed heating device (13) are arranged on each tundish (11), and a casting blank loading and unloading device (14) is arranged at the joint of the continuous casting machine (1) and the conveying track (3);
a plurality of casting blank rail cars (4) are arranged between the continuous casting machine (1) and the receiving device (2), and the casting blank rail cars (4) can reciprocate in the conveying rail (3);
the casting blank rail car (4) comprises a car frame (41), a wheel set (42) is arranged at the bottom of the car frame (41), a fixed heat-insulating cover (43) is arranged at the top of the car frame (41), a vehicle-mounted heater (44) is arranged in the fixed heat-insulating cover (43), the top of the fixed heat-insulating cover (43) is covered by a movable heat-insulating cover (45), a side support (46) is connected to the side wall of the fixed heat-insulating cover (43), and a side sliding contactor (47) is arranged on the side support (46);
isolation devices are additionally arranged on two sides of the transportation track (3) to form a closed track;
a casting blank loading and unloading device (14) is arranged at the joint of the receiving device (2) and the conveying track (3);
a video monitoring system is arranged at the intersection of the transportation track (3);
the computer control system is used for controlling the operation of the whole system platform according to the information fed back by the video monitoring system;
an electric drive device and a wireless communication device are arranged in the casting blank rail car (4), the casting blank rail car (4) is connected with an external electric power source through a sliding contact line, and the wireless communication device controls the operation of the electric drive device;
and a charging power source is arranged in the casting blank rail car (4).
2. The platform of claim 1, wherein the wheel sets (42) are mounted on the frame (41) by a bogie.
3. The platform for a rapid direct delivery system of a small-section casting blank according to claim 1, wherein the adjacent casting blank rail cars (4) are flexibly connected.
4. The platform of claim 1, wherein a slab surface detection device (15) is arranged between the continuous casting machine (1) and the conveying track (3).
5. The platform for the rapid direct delivery of a small-section casting blank according to claim 1, wherein the receiving device (2) is a rolling mill or a casting blank heat preservation pit.
6. The platform of claim 1, wherein a rear baffle (48) is arranged at the tail of the casting blank rail car (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938164.4A CN112122343B (en) | 2020-09-09 | 2020-09-09 | Quick direct-feeding system platform for small-section casting blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938164.4A CN112122343B (en) | 2020-09-09 | 2020-09-09 | Quick direct-feeding system platform for small-section casting blank |
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| Publication Number | Publication Date |
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| CN112122343A CN112122343A (en) | 2020-12-25 |
| CN112122343B true CN112122343B (en) | 2022-09-06 |
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| CN202010938164.4A Active CN112122343B (en) | 2020-09-09 | 2020-09-09 | Quick direct-feeding system platform for small-section casting blank |
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| CN115069998A (en) * | 2022-07-03 | 2022-09-20 | 新疆八一钢铁股份有限公司 | Heat-preservation hot charging method for steel rolling medium plate blank |
| CN115351253A (en) * | 2022-09-30 | 2022-11-18 | 重庆赛迪工程咨询有限公司 | Remote casting blank hot conveying system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103464463B (en) * | 2013-09-26 | 2015-04-08 | 湖北中钢联冶金工程有限公司 | Continuous-casting and continuous-rolling integrating device and process |
| CN106180192B (en) * | 2016-08-31 | 2018-10-19 | 中冶赛迪工程技术股份有限公司 | A kind of wire and rod continuous casting billet high speed direct sending directly rolls system and method |
| CN106180191B (en) * | 2016-08-31 | 2018-09-25 | 中冶赛迪工程技术股份有限公司 | A kind of wire and rod continuous casting billet exempts from heating and directly rolls system and method |
| CN107008750B (en) * | 2017-04-20 | 2019-10-11 | 中冶南方工程技术有限公司 | Bilateral road length material continuous casting and rolling production line and its production method |
| CN107695100A (en) * | 2017-09-29 | 2018-02-16 | 四川德胜集团钒钛有限公司 | A kind of steel exempt from heating and directly roll system and method |
| KR101998966B1 (en) * | 2017-11-03 | 2019-07-10 | 주식회사 포스코 | Continuous casting and rolling apparatus and method |
| CN209935518U (en) * | 2019-03-26 | 2020-01-14 | 中冶南方连铸技术工程有限责任公司 | Automatic quick ejection hot-delivery direct rolling system |
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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. |
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