CN114700376A - Low-energy-consumption continuous casting billet direct rolling process method - Google Patents
Low-energy-consumption continuous casting billet direct rolling process method Download PDFInfo
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- CN114700376A CN114700376A CN202210410325.1A CN202210410325A CN114700376A CN 114700376 A CN114700376 A CN 114700376A CN 202210410325 A CN202210410325 A CN 202210410325A CN 114700376 A CN114700376 A CN 114700376A
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- 238000009749 continuous casting Methods 0.000 title claims abstract description 98
- 238000005096 rolling process Methods 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000005265 energy consumption Methods 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 claims abstract description 34
- 238000009628 steelmaking Methods 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000007599 discharging Methods 0.000 claims abstract description 20
- 238000005520 cutting process Methods 0.000 claims abstract description 18
- 238000004321 preservation Methods 0.000 claims abstract description 13
- 230000002950 deficient Effects 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001039 duplex stainless steel Inorganic materials 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
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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 relates to the technical field of continuous casting billet direct rolling, and provides a low-energy-consumption continuous casting billet direct rolling process method which is integrated with an intelligent module, realizes intelligent monitoring of continuous casting quality, is convenient for traceability management of steel quality, has good rolling control effect in the production process of continuous casting and direct rolling, can timely move out a continuous casting billet with detected problems, can roll the moved-out continuous casting billet on line again, and has good use flexibility, and comprises a billet continuous casting machine, a steel rolling workshop and a steel-making workshop, wherein the billet continuous casting machine is arranged in the steel-making workshop, a billet discharging roller way section is arranged on the left side of the billet continuous casting machine, a roller bottom heat preservation furnace is arranged on the lower side of the billet discharging roller way section, an automatic cutting device is arranged on the left side of the billet discharging roller way section, a lifting platform is arranged on the left side of the automatic cutting device, a transverse moving rack is arranged on the lifting platform, and is matched with a defective billet discharging bed, a heating furnace is arranged on the left side of the lifting platform.
Description
Technical Field
The invention relates to the technical field of continuous casting billet direct rolling, in particular to a low-energy-consumption continuous casting billet direct rolling process method.
Background
As is known, in the hot rolling production process, a large amount of energy is consumed, the proportion of the energy consumption which is really used in the steel rolling link is very small, the energy consumption used in the billet heating link is huge, the continuous casting billet hot delivery direct rolling is proposed for reducing the energy consumption and the production cost, the technology is mature along with continuous utilization, but the low-energy-consumption continuous casting billet direct rolling process method is proposed along with the gradual change of science and technology and the continuous improvement of energy-saving and environment-friendly requirements, and the continuous casting billet direct rolling process method is used for assisting in further optimizing the continuous casting billet direct rolling process.
The Chinese patent invention with publication number CN105080968B, issued by the authority of 27.10.7.2017, discloses a continuous casting slab rolling method of super duplex stainless steel, which is roughly described as comprising the steps of producing a continuous casting slab, carrying out air cooling treatment on the continuous casting slab, preheating the continuous casting slab in a first preheating furnace, carrying out air cooling treatment on the preheated continuous casting slab, preheating the continuous casting slab in a second preheating furnace, carrying out air cooling treatment on the preheated continuous casting slab, fully grinding the continuous casting slab in a grinding machine, heating the continuous casting slab in a heating furnace, conveying the continuous casting slab into a rolling mill for rolling, and preheating the continuous casting slab in the first preheating furnace: before the continuous casting billet is placed into the first preheating furnace, the temperature in the first preheating furnace is raised to 350-450 ℃; after the continuous casting slab is put into the first preheating furnace, the temperature in the first preheating furnace is increased to 700-800 ℃ at the speed of 50-80 ℃/h, the temperature is kept for 4.5h, and the step of putting the continuous casting slab into the second preheating furnace for preheating treatment comprises the following steps: before putting the continuous casting billet into the second preheating furnace, raising the temperature in the second preheating furnace to 900-1100 ℃; after the continuous casting slab is put into the second preheating furnace, the temperature in the second preheating furnace is increased to 1220-1260 ℃ at the speed of 80-100 ℃/h, the temperature is kept for 7.5h, and Chinese invention patent with the publication number of CN108356076A, which is disclosed in 8 months and 3 days in 2018, discloses a continuous casting slab rolling method, and the general technical scheme is as follows: the high-temperature continuous casting billet from the continuous casting process enters a rolling mill for rolling after being subjected to temperature regulation by a temperature regulating medium, wherein the temperature regulating medium is atomized water or compressed gas, the temperature regulating medium is sprayed on the surface of the high-temperature continuous casting billet through a temperature regulating medium spraying device, the temperature regulating medium spraying device comprises a temperature regulating medium pipeline, a temperature regulating medium nozzle and an automatic regulating valve, the temperature regulating medium pipeline is provided with the automatic regulating valve and a plurality of temperature regulating medium nozzles, and the temperature regulating medium nozzles are uniformly distributed along four surfaces of the high-temperature continuous casting billet, so that the invention has the beneficial effects that: the temperature difference of the head and tail surfaces of the high-temperature continuous casting billet is reduced after the temperature of the high-temperature continuous casting billet from the continuous casting process is adjusted, and the high-temperature continuous casting billet is sent into a rolling mill for rolling, so that the performance stability of a rolled material is improved, and the product quality is effectively guaranteed.
Although the above-mentioned prior art scheme can realize the direct rolling of the continuous casting billet, the control effect of the continuous casting and direct rolling production process on the rolling quality is poor, and only the continuous casting and direct rolling production can be realized, and the use flexibility is poor.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the continuous casting billet direct rolling process method with low energy consumption, which is integrated with an intelligent module, realizes the intelligent monitoring of the continuous casting quality, is convenient for the traceability management of the steel quality, has better control effect on rolling in the continuous casting direct rolling production process, can timely move out the continuous casting billet with detected problems, can perform online rolling on the moved continuous casting billet again, and has better use flexibility.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a low-energy-consumption continuous casting billet direct rolling process method is realized based on a continuous casting billet direct rolling production line, the continuous casting billet direct rolling production line comprises a billet continuous casting machine, a steel rolling workshop and a steel making workshop, wherein the billet continuous casting machine is arranged in the steel making workshop, a billet roller way section is arranged on the left side of the billet continuous casting machine, a roller bottom heat preservation furnace is arranged on the lower side of the billet roller way section, an automatic cutting device is arranged on the left side of the billet roller way section, a lifting table is arranged on the left side of the automatic cutting device, a transverse moving rack is arranged on the lifting table, a problem billet blanking bed is matched with the transverse moving rack section, a heating furnace is arranged on the left side of the lifting table, the billet roller way section, the roller bottom heat preservation furnace, the automatic cutting device, the lifting table, the transverse moving rack, the problem billet blanking bed and the heating furnace are uniformly distributed in the steel making workshop, a cold billet feeding table is arranged in the steel making workshop, an auxiliary heating furnace is arranged between the cold blank feeding table and the problem blank discharging bed, an intelligent module is installed in the steel-making workshop, the steel-rolling workshop is located on the left side of the steel-making workshop, the steel-rolling workshop and the steel-making workshop are communicated with each other, and a multi-stage rolling roller set is installed in the steel-rolling workshop.
Preferred on the basis of aforementioned scheme, the wisdom module includes multistage detection terminal, multistage detection terminal intercommunication has communication module, communication module intercommunication has intelligent object, intelligent object intercommunication has the order to assign the module, automatic cutout device, elevating platform and sideslip rack all with the order is assigned the module intercommunication.
On the basis of the scheme, the steel-making workshop is internally provided with a conveying moving roller matched with the transverse moving rack and the heating furnace.
On the basis of the scheme, the ejection roller way section is arranged above the roller bottom heat preservation furnace through a mounting rack support.
On the basis of the scheme, a bidirectional conveying roller set is further arranged between the cold blank feeding platform and the defective blank discharging bed.
As a further aspect of the above scheme, a lifting turntable is arranged on the defective blank blanking bed.
A low-energy-consumption continuous casting billet direct rolling process method comprises the following steps:
s1, in the operation process, the knockout conticaster realizes the production of the continuously cast blank;
s2, transferring the blank produced by the blank-discharging continuous casting machine through a blank-discharging roller way section, wherein in the process, the blank is subjected to heat preservation by a roller bottom heat preservation furnace, and the intelligent module detects the passing blank;
s3, the cutting device and the lifting platform receive the detection data of the intelligent module, and cut off and move out of the production line for the blank with problems;
s4, feeding the blank without problems into a heating furnace, heating the blank by the heating furnace, and feeding the heated blank into a multi-stage rolling roller set to finish rolling;
and S5, enabling the blank with the problem to enter a blank discharging bed with the problem under the action of the traverse rack for cooling, then enabling the blank to enter a cold blank feeding bed for fine inspection, if the problem of the blank does not affect the production, enabling the blank to enter the blank discharging bed with the problem again after the auxiliary heating furnace is heated, controlling the blank to enter the traverse rack for reverse material transfer, enabling the blank to enter a heating furnace for heating again, completing subsequent rolling, and if the problem of the blank affects the production, unloading the blank and performing waste treatment.
(III) advantageous effects
Compared with the prior art, the invention provides a low-energy-consumption continuous casting billet direct rolling process method, which has the following beneficial effects:
1. according to the invention, through the integration of the intelligent module, the online detection can be carried out on the continuous casting billet passing through the knockout roller way section, the intelligent monitoring of the continuous casting quality is realized, the traceability management of the steel quality is convenient, and the rolling control effect is better in the continuous casting and direct rolling production process.
2. According to the invention, through the cooperation of the lifting platform, the transverse moving rack and the defective blank blanking bed, the problem-detected continuous casting blank can be moved out in time, and the quality of steel produced by the continuous casting blank can be better ensured.
3. According to the invention, the cold blank feeding table is installed, so that reverse feeding of the cold blank is convenient to realize, the moved continuous casting blank can be rolled on line again, and the use flexibility is good.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a block diagram of the rolling process of the present invention;
FIG. 3 is a block diagram of the reverse rolling and feeding process of the cold blank of the present invention;
FIG. 4 is a block diagram of an intelligent module according to the present invention.
In the figure: 1. a knockout conticaster; 2. a steel rolling workshop; 3. a steel-making workshop; 4. a knockout roller section; 5. a roller hearth heat preservation furnace; 6. a cutting device; 7. a lifting platform; 8. transversely moving the rack; 9. a problematic blank blanking bed; 10. heating the furnace; 11. a cold blank loading station; 12. an auxiliary heating furnace; 13. a conveying moving roller; 14. a mounting frame; 15. a bidirectional conveying roller set; 16. and (6) lifting the rotary table.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, a low energy consumption continuous casting billet direct rolling process method is realized based on a continuous casting billet direct rolling production line, the continuous casting billet direct rolling production line comprises a knockout continuous casting machine 1, a steel rolling workshop 2 and a steel making workshop 3, the knockout continuous casting machine 1 is installed in the steel making workshop 3, a knockout roller way section 4 is arranged on the left side of the knockout continuous casting machine 1, a roller bottom heat preservation furnace 5 is arranged on the lower side of the knockout roller way section 4, the knockout roller way section 4 is supported above the roller bottom heat preservation furnace 5 through a mounting frame 15, an automatic cutting device 6 is arranged on the left side of the knockout roller way section 4, a lifting table 7 is installed on the left side of the automatic cutting device 6, a transverse moving rack 8 is installed on the lifting table 7, a problematic billet blanking bed 9 is matched with the transverse moving rack 8, a heating furnace 10 is installed on the left side of the lifting table 7, the knockout roller way section 4, The roller hearth heat preservation furnace 5, the automatic cutting device 6, the lifting platform 7, the transverse moving rack 8, the defective blank blanking bed 9 and the heating furnace 10 are uniformly arranged in the steel-making workshop 3, through the matching of the lifting platform 7, the traverse table 8 and the defective blank blanking bed 9, the problem-detected continuous casting blank can be timely moved out, the quality of steel products produced by continuous casting billets can be better ensured, the steel-making workshop 3 is provided with a cold blank feeding table 12, the reverse feeding of cold blanks is convenient to realize through the installation of the cold blank feeding table 12, the moved continuous casting billets can be rolled on line again, the use flexibility is good, an auxiliary heating furnace 13 is arranged between the cold billet feeding table 12 and the defective billet blanking bed 9, and a bidirectional conveying roller set 16 is arranged between the cold blank feeding table 12 and the defective blank discharging bed 9, so that the blanks can move bidirectionally.
It should be further noted that a smart module is installed in the steelmaking workshop 3, the smart module comprises a multi-stage detection terminal, the multi-stage detection terminal is communicated with a communication module, the communication module is communicated with an intelligent module, the intelligent module is communicated with an order issuing module, the automatic cutting device 6, the lifting table 7 and the transverse moving rack 8 are all communicated with the order issuing module, online detection can be carried out on continuous casting blanks passing through the discharging roller way section 4 through the integration of the smart module, the intelligent monitoring of continuous casting quality is realized, the traceability management of steel quality is convenient, the control effect on rolling is good in the continuous casting and direct rolling production process, the steel rolling workshop 2 is positioned on the left side of the steelmaking workshop 3, the steel rolling workshop 2 is communicated with the steelmaking workshop 3, the passing of continuous casting steel is convenient, the multi-stage rolling roller set 11 is installed in the steel rolling workshop 2, the continuous casting steel can be rolled in multiple stages, the steel-making workshop 3 is internally provided with a conveying moving roller 14 matched with the traverse rack 8 and the heating furnace 10 to realize the transfer of the continuous casting steel between the traverse rack 8 and the heating furnace 10, and the problem blank blanking bed 9 is provided with a lifting rotary table 17 to realize the height adjustment and the direction conversion of the problem blanks.
A low-energy-consumption continuous casting billet direct rolling process method comprises the following steps:
s1, in the operation process, the knockout conticaster 1 realizes the production of the conticast blank;
s2, transferring the blank produced by the blank-discharging continuous casting machine 1 through a blank-discharging roller way section 4, wherein in the process, a roller-bottom heat-preserving furnace 5 is used for preserving the heat of the blank, and an intelligent module is used for detecting the passed blank;
s3, the cutting device 6 and the lifting platform 7 receive the detection data of the intelligent module, and cut off and move out of the production line for the blank with problems;
s4, feeding the blank without problems into a heating furnace 10, heating the blank by the heating furnace 10, and feeding the blank into a multi-stage rolling roller set 11 to finish rolling;
s5, the blank with the problem enters the blank blanking bed 9 with the problem under the action of the traverse rack 8, is cooled and then enters the cold blank feeding bed 12 for fine inspection, if the problem of the blank does not affect the production, the blank enters the blank blanking bed 9 with the problem again after being heated by the auxiliary heating furnace 13, enters the heating furnace 10 again after being controlled to reversely shift the blank by the traverse rack 8, is heated, completes the subsequent rolling, and if the problem of the blank affects the production, the blank is removed and is subjected to waste treatment.
In conclusion, the working principle and the working process of the low-energy-consumption continuous casting billet direct rolling process method are that in the running process, the continuous casting billet is produced by the continuous casting machine 1, the billet produced by the continuous casting machine 1 is transferred through the billet discharging roller way section 4, in the process, the roller bottom heat preservation furnace 5 preserves the heat of the billet, the intelligent module detects the passing billet, the cutting device 6 and the lifting platform 7 receive the detection data of the intelligent module, the problematic billet is cut off and moved out of the production line, the non-problematic billet enters the temperature-rising heating furnace 10, is heated by the temperature-rising heating furnace 10 and then enters the multi-stage rolling roller set 11 to finish rolling, the problematic billet enters the problematic billet blanking bed 9 under the action of the transverse moving rack 8 to be cooled and then enters the cold billet feeding bed 12 to be subjected to fine inspection, and if the problem of the billet does not affect the production, the auxiliary heating furnace 13 heats and then enters the problematic billet blanking bed 9 again, and the blank enters the heating furnace 10 again to be heated after being controlled to reversely move the material in the transverse moving rack 8, so as to complete the subsequent rolling, and if the problem of the blank affects the production, the blank is removed and is subjected to waste treatment.
Further, can share one to intensification heating furnace 10 and auxiliary heating furnace 13, as the in-process of two sharing one, lay heat-resisting track in the below of heating furnace, and erect the heating furnace on the track through the wheelset, the use realizes the heating furnace and carries the intensification heating of the below of moving roller 14 or the auxiliary heating of two-way transport roller set 16 below through the two-way removal of heating furnace on the track, simultaneously for the automatic adjustment of making things convenient for the heating furnace, drive unit can also add, drive unit can select electric telescopic handle or pneumatic telescopic handle, when being electric telescopic handle, need supporting matched cooling system, when being pneumatic telescopic handle, need supporting air pump, trachea and gas circuit system.
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 (7)
1. The continuous casting billet direct rolling production line comprises a billet withdrawal continuous casting machine (1), and is characterized by further comprising a steel rolling workshop (2) and a steel making workshop (3), wherein the steel rolling workshop (2) and the steel making workshop (3)
The steel-making workshop is characterized in that the knockout continuous casting machine (1) is installed in the steel-making workshop (3), a knockout roller way section (4) is arranged on the left side of the knockout continuous casting machine (1), a roller bottom heat preservation furnace (5) is arranged on the lower side of the knockout roller way section (4), an automatic cutting device (6) is arranged on the left side of the knockout roller way section (4), a lifting table (7) is installed on the left side of the automatic cutting device (6), a transverse moving rack (8) is installed on the lifting table (7), a problem blank blanking bed (9) is matched with the transverse moving rack (8), a heating furnace (10) is installed on the left side of the lifting table (7), and the knockout roller way section (4), the roller bottom heat preservation furnace (5), the automatic cutting device (6), the lifting table (7), the transverse moving rack (8), the problem blank blanking bed (9) and the heating furnace (10) are uniformly distributed in the steel-making workshop (3), a cold blank feeding table (11) is installed in the steelmaking workshop (3), an auxiliary heating furnace (12) is arranged between the cold blank feeding table (11) and the problem blank blanking bed (9), an intelligent module is installed in the steelmaking workshop (3), wherein
The steel rolling workshop (2) is located on the left side of the steel-making workshop (3), the steel rolling workshop (2) is communicated with the steel-making workshop (3), and a multistage rolling roller set (11) is installed in the steel rolling workshop (2).
2. The continuous casting billet direct rolling production line according to claim 1, characterized in that the intelligent module comprises a plurality of detection terminals, the plurality of detection terminals are communicated with a communication module, the communication module is communicated with an intelligent module, the intelligent module is communicated with an order issuing module, and the automatic cutting device (6), the lifting platform (7) and the transverse moving rack (8) are communicated with the order issuing module.
3. A continuous casting billet direct rolling production line according to claim 2, characterized in that a conveying moving roller (13) matched with the transverse moving rack (8) and the heating furnace (10) is arranged in the steelmaking workshop (3).
4. A continuous casting billet direct rolling production line according to claim 3, characterized in that the knockout roller way section (4) is supported above the roller hearth holding furnace (5) through a mounting frame (14).
5. A continuous casting billet direct rolling production line according to claim 4, characterized in that a bidirectional conveying roller set (15) is arranged between the cold billet feeding table (11) and the defective billet blanking bed (9).
6. A continuous casting billet direct rolling production line according to claim 5, characterized in that a lifting rotary table (16) is arranged on the defective billet blanking bed (9).
7. A low-energy-consumption continuous casting billet direct rolling process method is characterized in that the continuous casting billet direct rolling production line according to any one of claims 1 to 6 is used, and comprises the following steps:
s1, in the operation process, the knockout conticaster (1) realizes the production of the continuously cast blank;
s2, transferring the blank produced by the blank-discharging continuous casting machine (1) through a blank-discharging roller way section (4), in the process, insulating the blank by a roller bottom insulating furnace (5), and detecting the passing blank by an intelligent module;
s3, the cutting device (6) and the lifting platform (7) receive the detection data of the intelligent module, and cut off and move out of the production line for the blank with problems;
and S4, feeding the blank without problems into a heating furnace (10), heating the blank by the heating furnace (10), and feeding the blank into a multi-stage rolling roller group (11) to finish rolling.
S5, feeding the blank with the problem into a blank discharging bed (9) with the problem under the action of the transverse moving rack (8), cooling, feeding the blank into a blank cold feeding bed (12) for fine inspection, heating by an auxiliary heating furnace (13) and then feeding the blank into the blank discharging bed (9) with the problem again if the blank problem does not affect production, controlling the blank to reversely move the blank into the transverse moving rack (8) and then feeding the blank into a heating furnace (10) for heating, completing subsequent rolling, and discharging the blank for waste treatment if the blank problem affects production.
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| CN103480647A (en) * | 2013-09-18 | 2014-01-01 | 陕西钢铁集团有限公司 | Device and method for manufacturing reinforcing steel bars by means of directly rolling small square billets at low temperatures without heating |
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| CN106238694A (en) * | 2016-09-14 | 2016-12-21 | 中冶华天南京工程技术有限公司 | A kind of hot charging and hot rolling of continuous casting slab process and device |
| CN107008750A (en) * | 2017-04-20 | 2017-08-04 | 中冶南方工程技术有限公司 | The long material continuous casting and rolling production line of binary channels 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 |
| CN109332626A (en) * | 2018-11-06 | 2019-02-15 | 中冶连铸技术工程有限责任公司 | Hot delivering technology of CC billets directly rolls automatic ejection apparatus and method for |
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