CN104942250A - Online continuous casting billet preset width setting and tracking method - Google Patents
Online continuous casting billet preset width setting and tracking method Download PDFInfo
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Abstract
The invention provides an online continuous casting billet preset width setting and tracking method. According to the method, casting plans, furnace orders, plate blank orders and other information are collected through an MES system, casting speeds, plate blank cutting performance, furnace cutting performance and other information are collected through a basic automated system, the width adjusting information and tendency in a whole CAST are worked out, and then the position and information of width adjusting plate blanks are locked. Basic data are provided for optimization of cutting length models, and indications are provided for operating personnel, so that the online width adjusting quality is better controlled, the plate quality is greatly corrected, the hot charging hot delivery rate of the plate blanks under high quality is guaranteed, and a better guarantee is provided for subsequent steel rolling products.
Description
Technical field
The present invention relates to process control computer system of metallurgy, particularly, relate to the method for the online presetting wide setting of continuous casting billet and tracking.
Background technology
In modern steel-making continuous casting production process, along with the raising of continuous casting factory automation level, to the reliability of equipment and the requirement of slab quality more and more stricter, again due to heart that crystallizer is conticaster, which determine the shape and size of strand, so require also more and more higher to the control accuracy of crystallizer.Past slab caster one waters the secondary strand can only producing a kind of end face width; if need to change specification must shut down replacing crystallizer or change crystallizer width; add machine stop times; production capacity and the efficiency of conticaster are had a strong impact on; and the human and material resources of at substantial, increase the labour intensity of operating personnel.Modern slab caster changes strand width and mostly have employed automatic on-line in order to realize not shutting down and adjust wide.Automatic on-line adjusts wide referring to regulate the width of crystallizer or tapering in casting process at conticaster, to improve slab quality while realizing the optimization of slab Yield changes.Crystallizer adopts one group of pull bar to clamp two wide and two leptoprosopy, and pull bar keeps clamping force by groups of springs, the hydraulic cylinder on pull bar can in tune is wider than journey Compress Spring, to make leptoprosopy can easily movement, open fast wide (referring to accompanying drawing 1).The steel billet in crystallizer is directly acted on due to this process, affect the generation of slab and solidifying of surface, therefore there is great bleed-out risk, rational adjustment curve must be used to ensure that this process always works in safe range, so great majority employing is crystallizer leptoprosopy width control technology.
Through retrieval, find following pertinent literature:
Application number: 201110221210.X, patent name: the online hot width modulation system of crystallizer and method.This patent document provides the online hot width modulation system of a kind of crystallizer and method, the online hot width modulation system of crystallizer comprises: servo electric jar, narrow limit copper coin moving direction along crystallizer is arranged on mold oscillation framework, and the expansion link of servo electric jar is connected with the narrow limit backboard of crystallizer; Controller, be electrically connected with servo electric jar, expansion link for controlling servo electric jar is followed the tracks of conical degree of crystallizer and is stretched with the curve of strand change width, and the tapering between two narrow limit copper coins and conical degree of crystallizer are matched with the target tapering in the curve of strand change width.The online hot width adjusting method of crystallizer, comprising: setting conical degree of crystallizer is with the curve of strand change width; The expansion link controlling servo electric jar is followed the tracks of conical degree of crystallizer and is stretched with the curve of strand change width.
Summary of the invention
For defect of the prior art, the object of this invention is to provide the method for the online presetting wide setting of a kind of continuous casting billet and tracking.The invention belongs to sheet billet continuous casting Process Control System field, along with getting more and more to slab types entail both at home and abroad, on-line width adjustment technology seems more and more important, if inverse Y type tune wherein wide control bad, as easy as rolling off a log generation bleed-out, so presetting wide setting and display just seem particularly important.Labor of the present invention all kinds of influence factor, correlated condition, by a large amount of model algorithm, good prediction and followed the tracks of the wide information of tune, thus accelerate rhythm of production greatly, improve production efficiency, reduce production cost.
According to the method for the online presetting wide setting of a kind of continuous casting billet provided by the invention and tracking, comprise the steps:
Step (1): the cut-out plan automatically being generated slab by the heat order that receives from the computer system of Manufacturing Executive System MES, slab order, casting plan information, cut-out plan mainly include this predetermined slab watering all command group CASTLOT information included by CAST, the block number of the cut-out slab corresponding to each CASTLOT information and each block slab repeatedly number and the predetermined length and width that will cut off thick;
Step (2): the slab of the cut-out calculated in step (1) pre-cutting is in the works compared successively and analyzed, calculates following information as computation structure:
The variation tendency of width of plate slab in-this CAST;
-heat information relevant when width of plate slab changes each time and slab information;
The slab estimated when-width changes cuts off total casting length;
Step (3): wide base is adjusted in the result of calculation locking according to step (2), adjusts wide base to predict the tune width variety type of this base further to each block;
For the wide base of tune, be designated in stove to adjust and adjust wide between wide or stove, and identify Y type and adjust wide or inverse Y type to adjust wide, wherein, adjust between stove and widely comprise mixed steel and adjust wide and adjust wide with steel grade;
Step (4): according to the real-time pulling rate that gathers from Basic automation level and the poured weights of ladle, calculate current pouring furnace in advance and occur to adjust wide approximate time, being used for alert notes the adjustment of crystallizer;
Step (5): in time adjusting wide generation, Real-time Collection is adjusted wider than these data long of the casting when taper value of the crystallizer of journey, width, generation, basic data are provided like this for cutting long model, optimize and cut long model, it is made to adjust wide beginning and end to occur on one block of slab as far as possible, reduce the quantity of defect base, improve the quality and quantity of good base.
Preferably, also comprise the steps:
Step (6): if width meets cut-out plan, then according to normal slab tax number, otherwise this block slab will compose special number, carry out special management.
Compared with prior art, the present invention has following beneficial effect:
Traditional crystallizer width control technology is simple from automatically to control and the angle of machinery goes to consider, the object of the invention is by the exploration new to casting process computer system, participate in the wide control of tune of slab dramatically, in order to realize, crystallizer online remote thermal tune is wide, cone adjusting function plays certain directive function, make it can switch section fast, direct casting goes out the strand of different width dimensions, improve the casting sequence of conticaster, saving downtime and secondary open the raw material loss of watering, and enhance productivity; The loss of strand cutting head cutting tail can be reduced, improve recovery rate of iron; Ensure specification and the quality of strand, improve CC-DHCR DHCR, make the linking of steel-making hot-rolled process more unobstructed; Also the production of multi items, many specifications, small lot can better be met.
The present invention, in sheet billet continuous casting Process Control System, has using value.This system is by collecting casting plan from MES system, heat order, the information such as slab order, casting rate is collected from basic automation systems, slab cutting actual achievement, the information such as heat cutting actual achievement, calculate the wide information of tune in whole CAST and trend, then the position and information of adjusting wide base is locked onto, not only for cutting the optimization of long model, provide master data, and provide indication for operating personnel, thus control the quality of on-line width adjustment better, greatly have modified plate quality, ensure that the hot-loading and hot-conveying rate of slab in high-quality situation, product for follow-up steel rolling provides better guarantee.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is that wide principle picture adjusted by crystallizer.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
Goal of the invention of the present invention is realized by following technical proposal:
Step (1): by the cut-out plan of the Automatic generation of information slabs such as the heat order that receives from the computer system of Manufacturing Executive System MES, slab order, casting plan, the predetermined slab number that cut-out plan mainly includes all CASTLOT information included by this CAST, the block number of the cut-out slab corresponding to each CASTLOT and each block slab and the length and width making a reservation for cut off thick; The slab command group that CASTLOT is made up of the order of many stoves slab;
Step (2): the slab of the pre-cutting calculated in step (1) is compared successively and analyzed, can calculate the variation tendency of width of plate slab in this CAST, and the slab estimated when the heat information of being correlated with when width of plate slab changes each time and slab information and width change cuts off total casting length;
Step (3): the result calculated according to step (2) and lockable adjust wide base, adjusts the tune width variety type of wide base data analysis this base measurable further to each block.For the wide base of tune, need be designated in stove to adjust and adjust wide between wide or stove, and between stove, adjust be that mixed steel is adjusted wide and adjusts wide with steel grade wide being divided into according to steel grade; And be that Y type is adjusted wide, or inverse Y type is adjusted wide;
Step (4): according to the real-time pulling rate that gathers from Basic automation level and the poured weights of ladle, current pouring furnace can be calculated accurately in advance and occur to adjust wide approximate time, being used for alert notes the adjustment of crystallizer;
Step (5): in time adjusting wide generation, Real-time Collection is adjusted wider than a series of data such as the casting when taper value of the crystallizer of journey, width, generation are long, basic data are provided like this for cutting long model, optimize and cut long model, it is made to adjust wide beginning and end to occur on one block of slab as far as possible, reduce the quantity of defect base, improve the quality and quantity of good base;
Step (6): adjust wide information very important for the impact of slab, so provide artificial standby means on process control computer system, when communication is broken down, the generation of adjusting bandwidth signals can be simulated, adjust the tracing and managing of wide base most important, the follow-up slab finishing of direct impact and hot-rolled process, so we have employed two cover systems in the tax number of adjusting wide base, if width meets cut-out plan, will according to normal slab tax number, otherwise this block slab will compose special number, carry out special management.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (2)
1. a method for the online presetting wide setting of continuous casting billet and tracking, is characterized in that, comprise the steps:
Step (1): the cut-out plan automatically being generated slab by the heat order that receives from the computer system of Manufacturing Executive System MES, slab order, casting plan information, cut-out plan mainly include this predetermined slab watering all command group CASTLOT information included by CAST, the block number of the cut-out slab corresponding to each CASTLOT information and each block slab repeatedly number and the predetermined length and width that will cut off thick;
Step (2): the slab of the cut-out calculated in step (1) pre-cutting is in the works compared successively and analyzed, calculates following information as computation structure:
The variation tendency of width of plate slab in-this CAST;
-heat information relevant when width of plate slab changes each time and slab information;
The slab estimated when-width changes cuts off total casting length;
Step (3): wide base is adjusted in the result of calculation locking according to step (2), adjusts wide base to predict the tune width variety type of this base further to each block;
For the wide base of tune, be designated in stove to adjust and adjust wide between wide or stove, and identify Y type and adjust wide or inverse Y type to adjust wide, wherein, adjust between stove and widely comprise mixed steel and adjust wide and adjust wide with steel grade;
Step (4): according to the real-time pulling rate that gathers from Basic automation level and the poured weights of ladle, calculate current pouring furnace in advance and occur to adjust wide approximate time, being used for alert notes the adjustment of crystallizer;
Step (5): in time adjusting wide generation, Real-time Collection is adjusted wider than these data long of the casting when taper value of the crystallizer of journey, width, generation, basic data are provided like this for cutting long model, optimize and cut long model, it is made to adjust wide beginning and end to occur on one block of slab as far as possible, reduce the quantity of defect base, improve the quality and quantity of good base.
2. the method for the online presetting wide setting of continuous casting billet according to claim 1 and tracking, is characterized in that, also comprise the steps:
Step (6): if width meets cut-out plan, then according to normal slab tax number, otherwise this block slab will compose special number, carry out special management.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105983674A (en) * | 2015-02-28 | 2016-10-05 | 宝山钢铁股份有限公司 | Automatic on-line width adjustment control system for continuous casting and process control method |
| CN106735029A (en) * | 2016-12-22 | 2017-05-31 | 钢铁研究总院 | A kind of method that strand production process parameters are accurately positioned strand section |
| CN110008559A (en) * | 2019-03-28 | 2019-07-12 | 北京首钢股份有限公司 | A kind of slab finely finishing method and device |
| CN110961589A (en) * | 2018-09-30 | 2020-04-07 | 上海梅山钢铁股份有限公司 | Automatic control method for continuous casting width adjustment full process |
| CN113333706A (en) * | 2021-05-18 | 2021-09-03 | 唐山不锈钢有限责任公司 | Method for realizing identification and optimized cutting of continuous casting unsteady-state casting blank at first level |
| CN115041653A (en) * | 2022-06-10 | 2022-09-13 | 湖南华菱涟源钢铁有限公司 | Continuous casting actual performance generation method, device, equipment and computer storage medium |
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| WO2002096584A1 (en) * | 2001-05-28 | 2002-12-05 | Usinor | Ingot head for continuous casting of slab with adjustable width and casting method using same |
| CN101334672A (en) * | 2007-06-28 | 2008-12-31 | 上海宝信软件股份有限公司 | Crystallizer on-line width modulation system and its method |
| CN101683686B (en) * | 2007-06-28 | 2012-01-11 | 上海宝信软件股份有限公司 | On-line width adjusting method for crystallizer |
| CN202910264U (en) * | 2012-07-19 | 2013-05-01 | 宝钢工程技术集团有限公司 | Online hot width-adjusting device for slab casting machine crystallizer |
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| JPS61266166A (en) * | 1985-05-21 | 1986-11-25 | Nippon Steel Corp | Method for changing ingot width |
| WO2002096584A1 (en) * | 2001-05-28 | 2002-12-05 | Usinor | Ingot head for continuous casting of slab with adjustable width and casting method using same |
| CN101334672A (en) * | 2007-06-28 | 2008-12-31 | 上海宝信软件股份有限公司 | Crystallizer on-line width modulation system and its method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105983674A (en) * | 2015-02-28 | 2016-10-05 | 宝山钢铁股份有限公司 | Automatic on-line width adjustment control system for continuous casting and process control method |
| CN105983674B (en) * | 2015-02-28 | 2018-03-30 | 宝山钢铁股份有限公司 | A kind of continuous casting automatic on-line adjusts wide control system and process control method |
| CN106735029A (en) * | 2016-12-22 | 2017-05-31 | 钢铁研究总院 | A kind of method that strand production process parameters are accurately positioned strand section |
| CN106735029B (en) * | 2016-12-22 | 2018-08-10 | 钢铁研究总院 | A method of strand production process parameters are accurately positioned to strand and are sliced |
| CN110961589A (en) * | 2018-09-30 | 2020-04-07 | 上海梅山钢铁股份有限公司 | Automatic control method for continuous casting width adjustment full process |
| CN110961589B (en) * | 2018-09-30 | 2021-10-19 | 上海梅山钢铁股份有限公司 | Automatic control method for continuous casting width adjustment full process |
| CN110008559A (en) * | 2019-03-28 | 2019-07-12 | 北京首钢股份有限公司 | A kind of slab finely finishing method and device |
| CN113333706A (en) * | 2021-05-18 | 2021-09-03 | 唐山不锈钢有限责任公司 | Method for realizing identification and optimized cutting of continuous casting unsteady-state casting blank at first level |
| CN113333706B (en) * | 2021-05-18 | 2022-08-09 | 唐山不锈钢有限责任公司 | Method for realizing identification and optimized cutting of continuous casting unsteady-state casting blank at first level |
| CN115041653A (en) * | 2022-06-10 | 2022-09-13 | 湖南华菱涟源钢铁有限公司 | Continuous casting actual performance generation method, device, equipment and computer storage medium |
| CN115041653B (en) * | 2022-06-10 | 2024-01-26 | 湖南华菱涟源钢铁有限公司 | Continuous casting performance generation method, device, equipment and computer storage medium |
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