CN103406363B - Method for displaying selection states of hot continuous rolling detection instruments - Google Patents

Method for displaying selection states of hot continuous rolling detection instruments Download PDF

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Publication number
CN103406363B
CN103406363B CN201310349725.7A CN201310349725A CN103406363B CN 103406363 B CN103406363 B CN 103406363B CN 201310349725 A CN201310349725 A CN 201310349725A CN 103406363 B CN103406363 B CN 103406363B
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China
Prior art keywords
width
temperature
actual value
instrumentation
thickness
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CN201310349725.7A
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Chinese (zh)
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CN103406363A (en
Inventor
马峰
安聪蓉
朴永红
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山西太钢不锈钢股份有限公司
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Abstract

The invention relates to a method for displaying selection states of hot continuous rolling detection instruments and belongs to the field of automatic control in the metallurgy industry. Quality indicators including the thickness, the width, the finish rolling temperature, the coiling temperature, the convexity degree, a wedge shape and the glancing flatness of a finished product can be displayed in a quality statistical picture of a process control system, wherein the thickness, the width, the finish rolling temperature and the coiling temperature include target values, actual values, upper limit values, lower limit values and hit rates. Quality conditions of finished steel coils can be clearly seen from the picture, and the actual values in the picture come from different detection instruments. By means of the method, the number of batched quality accidents caused by faults of the detection instruments can be reduced, and the economic benefit is remarkably improved.

Description

A kind ofly show the method that state selected by hot continuous rolling instrumentation

Technical field

The invention belongs to field of metallurgy automation field.

Background technology

Along with the continuous lifting that enterprise requires product quality, every quality control index of product becomes the focus of concern.The primary quality measure of hot steel rolling production has thickness, width, temperature, convexity etc., and instrumentation is the visual plant obtaining quality information.The main instrumentation of Taiyuan Iron and Steel Co. 2250mm hot continuous rolling production line comprises multi-functional instrument (having another name called profile gauge), calibrator, Straightness Meter and temperature measurer, wherein product thickness uses multi-functional instrument and calibrator to measure, and product width uses multi-functional instrument and Straightness Meter to measure.Multi-functional instrument is used to carry out the measurement of thickness and width under normal circumstances, only in particular cases be switched to calibrator and Straightness Meter in multi-functional instrument fault etc., and the handoff options of instrumentation is in the picture of Basic automation level, and in the picture of process control level, there is no the information of selected instrumentation, once instrumentation has fault can not Timeliness coverage, the accuracy that model specification calculates can be affected.Therefore, what in Process Control System, how fast and effeciently to provide instrumentation selects state, just becomes the key of problem.

Because the model specification of hot continuous rolling automation process control system comprises self-learning function, the actual detected value of self learning model and instrumentation is closely bound up, if adopt the error detection value of fault instrument, can affect the setting accuracy of model.Therefore by research and develop in Process Control System how fast and effeciently instrumentation be provided select state, not only can avoid adopting error detection value, improve setting model precision, and the state of selecting of instrumentation is presented at convenient operation personnel Timeliness coverage instrumentation Problems existing in picture.

Summary of the invention

The invention provides and a kind ofly fast and accurately show the method that state selected by hot continuous rolling instrumentation.

Every quality index of finished product is shown in the statistic of attribute picture of Process Control System, comprise thickness, width, finishing temperature, coiling temperature, convexity, wedge shape and glacing flatness, wherein thickness, width, finishing temperature and coiling temperature four quality index include desired value, actual value, higher limit, lower limit and hit rate.Can be clear that the quality condition of finished steel coils from this picture, the actual value in picture is just from different instrumentations;

The instrumentation of thickness comprises multi-functional instrument and calibrator, and the instrumentation of width comprises multi-functional instrument and Straightness Meter, and the instrumentation of coiling temperature comprises CT1, and CT2 and CT3 three temperature measurers, wherein CT3 is low temperature temperature measurer.

Multi-functional instrument is used to carry out the measurement of thickness and width under normal circumstances, only in particular cases be switched to calibrator and Straightness Meter in multi-functional instrument fault etc., coiling temperature is generally measured with CT1, and CT2 is for subsequent use, the CT3 when rolling steel grade is the low-temperature steels such as X80; On statistic of attribute picture respective quality index actual value item on increase the color tips selecting state of instrumentation; When thickness adopts multi-functional instrument, the font color of Act value is black, and when thickness adopts calibrator, the font color of actual value is blue; When width adopts multi-functional instrument, the font color of actual value is black, and when width adopts Straightness Meter, the font color of actual value is blue; When coiling temperature adopts temperature measurer CT1, the font color of actual value is black, and when coiling temperature adopts temperature measurer CT3, the font color of actual value is blue;

Statistic of attribute picture increases the comparing function of two kinds of instrumentation detected values; When the Thickness sensitivity value of multi-functional instrument and calibrator differs by more than 0.1mm, the background colour of thickness actual value reddens; When the width detection value of multi-functional instrument and width gage differs by more than 5mm, the background colour of width actual value reddens.

This instrumentation selects the Presentation Function application of state more than a year, and effect is fine, and major technique is as follows:

(1). the picture of Process Control System develops software as InTouch development platform, based on middleware HINT(Human Interface New Technology), its method for designing is, introduces control and is carried out the access of data by the method calling control.Data main source shown in picture has two, and one carrys out primary server internal memory, and two is the SQL SERVER databases from database server.Qualitative data shown in statistic of attribute picture derives from database, by introducing GEDB control and calling the procedure script of InTouch, uses the data that odbc data source is come in reading database.

(2). judge to select which kind of instrumentation to measure according to the health signal of instrumentation and the condition such as steel grade and rolling specs in a program, selected instrument is wanted in write into Databasce, mark selected by instrumentation in picture program reading database, corresponding actual value Act is become blueness or black by invoked procedure script, and what complete instrumentation selects Presentation Function.

Hot continuous rolling production line Process Control System is not before applying instrumentation and selecting the Presentation Function of state, once instrumentation has fault can not Timeliness coverage, can affect accuracy that model specification calculates and cause quality of lot accident.Thus cause the generation of quality objection, cause larger economic loss to factory.After these technical measures of self-application, the quality of lot accident caused due to instrumentation fault obtains effective control, and fault rate is obviously declined, and remarkable in economical benefits improves.

Detailed description of the invention

The detailed description of the invention of this technology, first by network, Process Control System to be connected with instrumentation, the health signal of instrument is convenient to be sent to control system in time, secondly control system is carried out judgement according to the health signal of instrument and steel grade and specification and is selected which kind of instrumentation to carry out model cootrol, and the color change of selection result by picture is presented, provide the comparing function of two kinds of instrument detected values simultaneously.

The product thickness of Taiyuan Iron and Steel Co. 2250mm hot continuous rolling production line uses multi-functional instrument and calibrator to measure, product width uses multi-functional instrument and Straightness Meter to measure, use multi-functional instrument to carry out the measurement of thickness and width under normal circumstances, be only in particular cases switched to calibrator and Straightness Meter in multi-functional instrument fault etc.Coiling temperature has three temperature measurers, selects different temperature measurers according to different steel grades and specification.Because the model specification of automation process control system is relevant with the actual detected value of instrumentation, and in the picture of process control level, there is no the information of selected instrumentation, once instrumentation has fault can not Timeliness coverage, the accuracy that model specification calculates can be affected.Therefore by research and develop in Process Control System how fast and effeciently instrumentation be provided select state, not only can avoid adopting error detection value, improve model specification precision, and the state of selecting of instrumentation is presented at convenient operation personnel Timeliness coverage instrumentation Problems existing in picture.This patent selects the technology of state by introducing display hot continuous rolling instrumentation, in the statistic of attribute picture of Process Control System respective quality index actual value (Act) item on increase the color tips selecting state of instrumentation, and add the comparing function of two kinds of instrumentation detected values, once phase difference transfinites, report to the police with regard to Show Color.After this technology of self-application, the quality of lot accident caused due to instrumentation fault obtains effective control, and fault rate is obviously declined, and remarkable in economical benefits improves, and this technology has good applicability and promotional value.

Claims (1)

1. one kind shows the method that state selected by hot continuous rolling instrumentation, every quality index of finished product is shown in the statistic of attribute picture of Process Control System, comprise thickness, width, finishing temperature, coiling temperature, convexity, wedge shape and glacing flatness, wherein thickness, width, finishing temperature and coiling temperature four quality index include desired value, actual value, higher limit, lower limit and hit rate;
Can be clear that the quality condition of finished steel coils from this picture, the actual value in picture is just from different instrumentations;
The instrumentation of thickness comprises multi-functional instrument and calibrator, and the instrumentation of width comprises multi-functional instrument and Straightness Meter, and the instrumentation of coiling temperature comprises CT1, CT2 and CT3 three temperature measurers, and wherein CT3 is low temperature temperature measurer;
Use multi-functional instrument to carry out the measurement of thickness and width under normal circumstances, be in particular cases switched to calibrator and Straightness Meter only in multi-functional instrument fault, coiling temperature is generally measured with CT1, and CT2 is for subsequent use, the CT3 when rolling steel grade is X80 low-temperature steel; On statistic of attribute picture respective quality index actual value item on increase the color tips selecting state of instrumentation; When thickness adopts multi-functional instrument, the font color of the actual value of quality index is black, and when thickness adopts calibrator, the font color of actual value is blue; When width adopts multi-functional instrument, the font color of actual value is black, and when width adopts Straightness Meter, the font color of actual value is blue; When coiling temperature adopts temperature measurer CT1, the font color of actual value is black, and when coiling temperature adopts temperature measurer CT3, the font color of actual value is blue;
Statistic of attribute picture increases the comparing function of two kinds of instrumentation detected values; When the Thickness sensitivity value of multi-functional instrument and calibrator differs by more than 0.1mm, the background colour of thickness actual value reddens; When the width detection value of multi-functional instrument and width gage differs by more than 5mm, the background colour of width actual value reddens.
CN201310349725.7A 2013-08-13 2013-08-13 Method for displaying selection states of hot continuous rolling detection instruments CN103406363B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1200311A (en) * 1997-05-23 1998-12-02 阿尔卡塔尔-阿尔斯托姆通用电气公司 Device for operating multi-set of rolling mill
JP2000042631A (en) * 1998-07-29 2000-02-15 Sumitomo Metal Ind Ltd Predicting method of steel plate shape and its device
CN1349863A (en) * 2000-10-20 2002-05-22 韦克莱奇姆公司 Flatness measuring method and apparatus
CN1442246A (en) * 2002-03-06 2003-09-17 昆明利普机器视觉工程有限公司 Digital video frequency rolled steel belt width detecting system
WO2010029875A1 (en) * 2008-09-11 2010-03-18 富士フイルム株式会社 Process for producing resin sheet with thickness unevenness
CN102500627A (en) * 2011-10-19 2012-06-20 北京金自天正智能控制股份有限公司 Plate width, side shape and side defect measuring instrument and measuring method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1200311A (en) * 1997-05-23 1998-12-02 阿尔卡塔尔-阿尔斯托姆通用电气公司 Device for operating multi-set of rolling mill
JP2000042631A (en) * 1998-07-29 2000-02-15 Sumitomo Metal Ind Ltd Predicting method of steel plate shape and its device
CN1349863A (en) * 2000-10-20 2002-05-22 韦克莱奇姆公司 Flatness measuring method and apparatus
CN1442246A (en) * 2002-03-06 2003-09-17 昆明利普机器视觉工程有限公司 Digital video frequency rolled steel belt width detecting system
WO2010029875A1 (en) * 2008-09-11 2010-03-18 富士フイルム株式会社 Process for producing resin sheet with thickness unevenness
CN102500627A (en) * 2011-10-19 2012-06-20 北京金自天正智能控制股份有限公司 Plate width, side shape and side defect measuring instrument and measuring method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
棒材轧制质量信息的显示与管理系统;赵从毅等;《华东冶金学院学报》;19991020;第16卷(第04期);4 *

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