CN102896154A - Automatic control system of electromagnetic induction furnace and method of system - Google Patents
Automatic control system of electromagnetic induction furnace and method of system Download PDFInfo
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- CN102896154A CN102896154A CN2012104101572A CN201210410157A CN102896154A CN 102896154 A CN102896154 A CN 102896154A CN 2012104101572 A CN2012104101572 A CN 2012104101572A CN 201210410157 A CN201210410157 A CN 201210410157A CN 102896154 A CN102896154 A CN 102896154A
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Abstract
The invention discloses an automatic control system of an electromagnetic induction furnace and a method of the automatic control system, belonging to the technical field of control on silicon steel production of a hot-rolling electromagnetic induction furnace. The system comprises an original slab data processing module, a secondary model calculating module, a rolling line tracking travel module and a primary PLC (Programmable Logic Controller) control module. With the adoption of the system, the first automatic locking of the size of a rolled piece rolled by an E1R1 rolling machine is realized, and the rolled piece is put into the electromagnetic induction furnace to be heated; after being heated, the rolled piece is taken out of the electromagnetic induction furnace, the second locking of the size of an intermediate slab is carried out automatically, and the rolling in relevant channels of an E2R2 rolling machine is carried out continuously; and finally, the strict requirements of the silicon steel on a process system are met, and the quality and the performance of the finished product are ensured. The automatic control system realizes the twice locking on the target sizes of the rolled piece and the intermediate slab entering into the electromagnetic induction furnace and the automatic rolling control without any manual interference, and meets the rigorous requirements of a narrow window process on the silicon steel.
Description
Technical field
The invention belongs to the hot rolling electromagnetic induction furnace and produce the control technology field of silicon steel, particularly a kind of electromagnetic induction furnace automatic control system and method thereof.
Background technology
High name oriented silicon steel production has two kinds of technology paths at present; A kind of is high-temperature heater, and a kind of is electromagnetic induction furnace, for being achieved as follows of electromagnetic induction furnace process route:
Electromagnetic induction furnace is between the E1R1 of hot rolling line milling train and E2R2 milling train; Slab need to become behind the E1R1 mill milling into the stove rolled piece, and its size (width and thickness) must in strict conformity with electromagnetic induction furnace shove charge requirement, heat in the electromagnetic induction furnace of can normally packing into afterwards; Need to continue to be rolled into size in strict conformity with the intermediate blank that requires at E 2R2 milling train after heating complete coming out of the stove, and then continue to be rolled into the band steel in finish rolling;
The size of plate blank of high name oriented silicon steel requires different with common slab, and the workpiece measurement behind its process E1R1 mill milling requires also different with common rolled piece; When this just requires the name oriented silicon steel of each rolling height, need to carry out artificial repetition test and recursive calculation to the drafts of E1R1 mill area according to its corresponding size of plate blank, so that meet electromagnetic induction furnace shove charge requirement through the workpiece measurement behind the E1R1 mill milling;
Rolled piece heats complete coming out of the stove in electromagnetic induction furnace after, need to continue to become the intermediate blank that is of the required size in the several passages of E2R2 mill milling, and in the second-level model control system of hot rolling line, do not have independent " E2R2 milling train " rolling mode; This just needs to continue manually this rolled piece to be carried out the manual setting of series, afterwards can be normally rolling.
For above-mentioned art production process, by realizing manually, expend a large amount of human and material resources.
Summary of the invention
Technical problem to be solved by this invention provides a kind of electromagnetic induction furnace automatic control system and method thereof, and realization silicon steel is guaranteed end product quality and performance for the strict demand of process system.
For solving the problems of the technologies described above, the invention provides a kind of electromagnetic induction furnace automatic control system, comprise slab original data processing module, the second-level model computing module, rolling line is followed the tracks of journey module and primary PLC control module, described slab original data processing module is used for receiving the road number of times of the E1R1 milling train of setting, the road number of times of E2R2 milling train, receive rolled piece target width and the rolled piece target thickness set, receive intermediate blank target width and the intermediate blank target thickness set, described second-level model computing module is respectively according to the road number of times of described E1R1 milling train, the road number of times of described E2R2 milling train, described rolled piece target width and described rolled piece target thickness, width drafts and the reduction in thickness of each passage of the described E1R1 milling train of iterative computation, width drafts and the reduction in thickness of each passage of the described E2R2 milling train of iterative computation, described rolling line is followed the tracks of the journey module and respectively described rolled piece is transported to the shove charge position of described electromagnetic induction furnace and the position to be rolled of described E2R2 milling train, described primary PLC control module is the described rolled piece described electromagnetic induction furnace of packing into, and heats.
A kind of electromagnetic induction furnace is the method for control automatically, comprises the steps:
A receives the road number of times of the E1R1 milling train of setting and the road number of times of E2R2 milling train, receives slab target width and the slab target thickness set, receives intermediate blank target width and the intermediate blank target thickness set;
B sends rolled piece into the E1R1 milling train, according to the road number of times of described E1R1 milling train, described rolled piece target width and described rolled piece target thickness, width drafts and the reduction in thickness of each passage of the described E1R1 milling train of iterative computation, then according to width drafts and the reduction in thickness of described each passage, be rolled;
C is transported to the shove charge position of described electromagnetic induction furnace with described rolled piece, with the described rolled piece described electromagnetic induction furnace of packing into, and heats;
After the D heating is complete, before coming out of the stove, obtain the developed width of rolled piece, the actual (real) thickness of rolled piece and the actual temperature of rolled piece, after described rolled piece goes out described electromagnetic induction furnace, described rolled piece is transported to the position to be rolled of described E2R2 milling train;
E according to the road number of times of described E2R2 milling train, described intermediate blank target width, intermediate blank target thickness, described rolled piece developed width, the actual (real) thickness of described rolled piece and the actual temperature of described rolled piece, width drafts and the reduction in thickness of each passage of the described E2R2 milling train of iterative computation, according to described width drafts and described reduction in thickness, be rolled, both.
A kind of electromagnetic induction furnace automatic control system provided by the invention and method thereof realize that the workpiece measurement behind the E1R1 mill milling automatically locks for the first time, the rolled piece electromagnetic induction furnace of packing into are heated; Heat complete after, rolled piece goes out electromagnetic induction furnace, the size of automatically carrying out intermediate blank locks for the second time, and proceeds the rolling of the relevant passage of E2R2 milling train; The final silicon steel of realizing is for the strict demand of process system, guarantee end product quality and performance, the present invention realizes that electromagnetic induction furnace enters locking and the automatic rolling control of twice target size of stove rolled piece and intermediate blank, need not artificial any intervention, has satisfied the narrow window technological requirement of silicon steel harshness.
Description of drawings
A kind of electromagnetic induction furnace autocontrol method schematic diagram that Fig. 1 provides for the embodiment of the invention;
Reference numeral:
1, slab, 2, rolled piece, 3, intermediate blank, 4, the E1R1 milling train, 5, E 2R2 milling train, 6, electromagnetic induction furnace.
The specific embodiment
To produce high name oriented silicon steel finished strip as example, raw material slab specification 230*1100mm, finished strip specification 2.3*1100mm; A kind of electromagnetic induction furnace automatic control system that the embodiment of the invention provides, comprise slab original data processing module, the second-level model computing module, rolling line is followed the tracks of journey module and primary PLC control module, the slab original data processing is used for receiving the road number of times of the E1R1 milling train 4 of setting and the road number of times of E2R2 milling train 5, receive rolled piece target width and the rolled piece target thickness set, receive intermediate blank target width and the intermediate blank target thickness set, the second-level model computing module is respectively according to the road number of times of E1R1 milling train 4, the road number of times of E2R2 milling train 5, the target width of rolled piece and the target thickness of rolled piece, width drafts and the reduction in thickness of each rolling pass of iterative computation E1R1 milling train 4, width drafts and the reduction in thickness of each rolling pass of iterative computation E2R2 milling train 5, rolling line is followed the tracks of journey and respectively milling train is transported to the shove charge position of electromagnetic induction furnace 6 and the position to be rolled of E2R2 milling train 5, the primary PLC control module is the rolled piece 2 described electromagnetic induction furnace of packing into, and heats.
Referring to Fig. 1, a kind of electromagnetic induction furnace is the method for control automatically, comprises the steps:
Step 101: according to the arts demand of the name oriented silicon steel of height, receive the road number of times of the E1R1 milling train 4 of setting and the road number of times of E2R2 milling train 5, be generally " 1 " or " 3 ", in embodiments of the present invention, the road number of times of E1R1 milling train 4 is 1 passage, the road number of times of E 2R2 milling train 5 is 5 passages, in the initial data input of slab 4, arts demand according to the name oriented silicon steel of height, receive slab target width and the slab target thickness set, namely electromagnetic induction furnace requires enters the stove workpiece measurement, and in embodiments of the present invention, receiving the slab target width of setting is 1100mm, the slab target thickness is 198mm; Set intermediate blank target width and intermediate blank target thickness, the workpiece measurement of coming out of the stove of namely electromagnetic induction furnace 6 requirements, in embodiments of the present invention, the intermediate blank target width is that 1100mm, intermediate blank target thickness are 39mm, simultaneously, increase " this slab uses electromagnetic induction furnace " marker bit in the initial data input with slab 1, increase " this slab rolling becomes cut deal " marker bit, also namely: this slab is alleged Plate rolling mode in the industry;
Step 102: rolled piece is sent into E1R1 milling train 4, road number of times 1, raw material size of plate blank 230*1100mm, rolled piece target width 1100mm and rolled piece target thickness 198mm according to E1R1 milling train 4, depress computational methods according to mill load general in the industry, iterative computation goes out width drafts and the reduction in thickness of each rolling pass of E1R1 milling train 4: E1R1 milling train 4 a time carry out that width is depressed 13mm, thickness is depressed 32mm; Then according to width drafts and the reduction in thickness of the above-mentioned rolling pass that draws, be rolled, finally be rolled into the rolled piece of the size of technological requirement;
Step 103: rolled piece 2 is transported to the shove charge position of electromagnetic induction furnace 6, with rolled piece 2 electromagnetic induction furnace 6 of packing into, and heats;
Step 104: heat complete after, before coming out of the stove, obtain the width of rolled piece, the thickness of rolled piece and the temperature of rolled piece, after rolled piece 2 goes out electromagnetic induction furnace 6, rolled piece 2 is transported to the position to be rolled of E2R2 milling train 5, automatically " this slab uses electromagnetic induction furnace ", " this slab rolling becomes cut deal " two marker bits in rolled piece 2 input quantities is replaced with respectively " this rolled piece does not re-use electromagnetic induction furnace ", " this rolled piece is rolled into normal band steel " (being referred to as in the industry coil) marker bit data;
Step 105: according to the actual (real) thickness 198mm of the above-mentioned developed width 1100mm that goes out the electromagnetic induction furnace rolled piece that obtains, rolled piece, 1390 ℃ of data of actual temperature of rolled piece, road number of times 5, intermediate blank target width 1100mm and intermediate blank target thickness 39mm with E2R2 milling train 5, depress computational methods according to mill load general in the industry, width drafts and the reduction in thickness of each rolling pass of iterative computation E2R2 milling train 5, data are as shown in table 1 below:
Width drafts and the reduction in thickness allocation table of table 1:E2R2 milling train
| Width drafts mm | Reduction in thickness mm | |
| E2R2 the first passage | 1.2 | 46.8 |
| E2R2 the second passage | 0 | 46.9 |
| E2R2 the 3rd passage | 0.8 | 37.3 |
| The E2R2 four-pass | 0 | 24.2， |
| E2R2 the 5th passage | 3.0 | 7.2 |
According to width drafts and reduction in thickness, be rolled, finally be rolled into the intermediate blank of the size that meets above-mentioned technological requirement, this intermediate blank 3 is carried out subsequent handling and is produced rolling according to normal technique afterwards.
It should be noted last that, the above specific embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to example the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (2)
1. electromagnetic induction furnace automatic control system, it is characterized in that, comprise slab original data processing module, the second-level model computing module, rolling line is followed the tracks of journey module and primary PLC control module, described slab original data processing module is used for receiving the road number of times of the E1R1 milling train of setting, the road number of times of E2R2 milling train, receive rolled piece target width and the rolled piece target thickness set, receive intermediate blank target width and the intermediate blank target thickness set, described second-level model computing module is respectively according to the road number of times of described E1R1 milling train, the road number of times of described E2R2 milling train, described rolled piece target width and described rolled piece target thickness, width drafts and the reduction in thickness of each passage of the described E1R1 milling train of iterative computation, width drafts and the reduction in thickness of each passage of the described E2R2 milling train of iterative computation, described rolling line is followed the tracks of the journey module and respectively described rolled piece is transported to the shove charge position of described electromagnetic induction furnace and the position to be rolled of described E2R2 milling train, described primary PLC control module is the described rolled piece described electromagnetic induction furnace of packing into, and heats.
2. the method that electromagnetic induction furnace is controlled automatically is characterized in that, comprises the steps:
A receives the road number of times of the E1R1 milling train of setting and the road number of times of E2R2 milling train, receives slab target width and the slab target thickness set, receives intermediate blank target width and the intermediate blank target thickness set;
B sends rolled piece into the E1R1 milling train, according to the road number of times of described E1R1 milling train, described rolled piece target width and described rolled piece target thickness, width drafts and the reduction in thickness of each passage of the described E1R1 milling train of iterative computation, then according to width drafts and the reduction in thickness of described each passage, be rolled;
C is transported to the shove charge position of described electromagnetic induction furnace with described rolled piece, with the described rolled piece described electromagnetic induction furnace of packing into, and heats;
After the D heating is complete, before coming out of the stove, obtain the developed width of rolled piece, the actual (real) thickness of rolled piece and the actual temperature of rolled piece, after described rolled piece goes out described electromagnetic induction furnace, described rolled piece is transported to the position to be rolled of described E2R2 milling train;
E according to the road number of times of described E2R2 milling train, described intermediate blank target width, intermediate blank target thickness, described rolled piece developed width, the actual (real) thickness of described rolled piece and the actual temperature of described rolled piece, width drafts and the reduction in thickness of each passage of the described E2R2 milling train of iterative computation, according to described width drafts and described reduction in thickness, be rolled, both.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695107A (en) * | 2017-11-23 | 2018-02-16 | 北京科技大学设计研究院有限公司 | A kind of method for tracking and managing of Stand Mill roughing mill setting data |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001300615A (en) * | 2000-04-26 | 2001-10-30 | Sumitomo Metal Ind Ltd | Apparatus and method for rolling metallic sheet |
| JP2008238262A (en) * | 2007-03-29 | 2008-10-09 | Jfe Steel Kk | Rolling method of steel plate having uneven thickness |
| CN102319741A (en) * | 2011-07-01 | 2012-01-18 | 河北省首钢迁安钢铁有限责任公司 | Method for improving camber of intermediate slab in rough rolling |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001300615A (en) * | 2000-04-26 | 2001-10-30 | Sumitomo Metal Ind Ltd | Apparatus and method for rolling metallic sheet |
| JP2008238262A (en) * | 2007-03-29 | 2008-10-09 | Jfe Steel Kk | Rolling method of steel plate having uneven thickness |
| CN102319741A (en) * | 2011-07-01 | 2012-01-18 | 河北省首钢迁安钢铁有限责任公司 | Method for improving camber of intermediate slab in rough rolling |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695107A (en) * | 2017-11-23 | 2018-02-16 | 北京科技大学设计研究院有限公司 | A kind of method for tracking and managing of Stand Mill roughing mill setting data |
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