CN103076778A - Dynamic distribution and automatic control system for cold-rolling hydrochloric acid pickling line outlet ductility - Google Patents
Dynamic distribution and automatic control system for cold-rolling hydrochloric acid pickling line outlet ductility Download PDFInfo
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- CN103076778A CN103076778A CN2012105785451A CN201210578545A CN103076778A CN 103076778 A CN103076778 A CN 103076778A CN 2012105785451 A CN2012105785451 A CN 2012105785451A CN 201210578545 A CN201210578545 A CN 201210578545A CN 103076778 A CN103076778 A CN 103076778A
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- extensibility
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- withdrawal straightening
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Abstract
The invention relates to a dynamic distribution and automatic control system for cold-rolling hydrochloric acid pickling line outlet ductility. A primary basic automation system dynamically distributes the ductility control mode in real time according to a production plan; ductility setting values are dynamically distributed to a withdrawal and straightening machine and a finishing machine through different corrected parameters according to the situation in an actual application site and the actual production of various strip steel on the basis of fixed value control of the ductility, and the dynamically-distributed values are corrected and compensated according to the actual feedback values of the ductility. The invention provides a dynamic distribution control mode of the hydrochloric acid pickling line outlet ductility, the control accuracy of ductility is improved, the setting values of ductility need to be rapidly and accurately adjusted according to the variety of strip steel, and the ductility control modes of the withdrawal and straightening machine and a temper mill can be dynamically selected.
Description
Technical field
The cold rolling salt pickling line outlet extensibility that the present invention relates in the cold rolling automatic control technology of a kind of metallurgy field is realized the dynamic assignment automatic control system.
Background technology
Angang Cold Rolling salt pickling line is a production line producing salt pickling finished product volume, and product template quality requirements is high, adopts the elongation control of withdrawal straightening machine, polishing machine can improve the yield rate of template control.
1, because pickling line outlet elongation control has two equipment: withdrawal straightening machine and polishing machine realize that the two setting of elongation control value needs coordinated allocation;
2, extensibility distributes improperly, can cause that the band extensibility is not enough or excessive, to make the band steel that the phosphorus effect occur to break bad and can't improve the problems such as flatness defect and mechanical property;
3, can not in time adjust the extensibility setting value for the band steel of different cultivars, can produce by products waste, product quality descends.
Summary of the invention
In order to adapt to the rhythm of production of salt pickling line, improve the yield rate of producing product, the invention provides a kind of cold rolling salt pickling line outlet extensibility and realize the dynamic assignment automatic control system, provide salt pickling line outlet extensibility dynamic assignment control mode, improve the precision of elongation control, need to adjust fast and accurately the setting value of extensibility for different with the steel kind, select dynamically the elongation control mode of withdrawal straightening machine and planisher.
For achieving the above object, the present invention is achieved through the following technical solutions:
Cold rolling salt pickling line outlet extensibility is realized the dynamic assignment automatic control system, and the one-level basic automation systems are distributed the elongation control mode in real time dynamically according to the production schedule; Extensibility is on the basis of fixed value control, situation according to the practical application scene, for actual with steel production numerous in variety, distribute to dynamically withdrawal straightening machine and polishing machine extensibility setting value by different corrected parameters, and according to the value of feedback of extensibility reality the dynamic assignment value is carried out correction-compensation;
Control model is following four kinds:
A) withdrawal straightening machine and polishing machine are thrown the elongation control pattern entirely, and dynamic assignment is to withdrawal straightening machine and polishing machine elongation control value;
B) withdrawal straightening machine is thrown the elongation control pattern, only throws the withdrawal straightening machine elongation control, and polishing machine extensibility setting value is zero;
C) polishing machine is thrown the elongation control pattern, and a light projector complete machine elongation control, withdrawal straightening machine extensibility setting value are zero;
D) without the elongation control pattern, polishing machine, withdrawal straightening machine extensibility setting value all are zero;
The implementation of control:
A) determine according to the PLC that requires with steel kind and finished product order whether withdrawal straightening machine and polishing machine drop into elongation control;
B) drop into elongation control, the elongation control value dynamic assignment of as requested secondary being divided into is to withdrawal straightening machine and polishing machine, outlet extensibility=withdrawal straightening machine extensibility+polishing machine extensibility, withdrawal straightening machine extensibility=outlet extensibility * a%, polishing machine extensibility=outlet extensibility * (1-a%), on-the-fly modify online as required extensibility allocation proportion a%, make extensibility realize dynamic assignment, constantly adjust the abundant control of a% parameter value data value according to actual production, can realize later on the function of self-learning optimization; Do not drop into, the extensibility setting value is zero.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention provides salt pickling line outlet extensibility dynamic assignment control mode, improves the precision of elongation control, need to adjust fast and accurately the setting value of extensibility for different with the steel kind, selects dynamically the elongation control mode of withdrawal straightening machine and planisher.
Embodiment
Key problem in technology point of the present invention is the distribution that dynamically realizes the extensibility setting value according to analysis of data collected, situation according to the practical application scene, corrected parameter is distributed to withdrawal straightening machine and polishing machine extensibility setting value dynamically, and according to the value of feedback of extensibility reality the dynamic assignment value is carried out correction-compensation.This system is comprised of two parts: the firstth, and dynamic assignment extensibility setting value; Second: realize elongation control quick and precisely.
1, need to stop outlet PLC and tracking PLC, entrance PLC, process section PLC, smooth PLC, urgency PLC and be connected in the network system, realize the real time data exchange.
2, tracking PLC adopts the mode of interrupting control to send to outlet PLC with the position of steel weld seam, and which kind of elongation control mode outlet PLC takes according to weld seam information dynamic assignment straightener and planisher.
3, set the action of control straightener and planisher according to the elongation control mode.
Embodiment:
Cold rolling salt pickling line outlet extensibility is realized the dynamic assignment automatic control system, and the one-level basic automation systems are distributed the elongation control mode in real time dynamically according to the production schedule; Extensibility is on the basis of fixed value control, situation according to the practical application scene, for actual with steel production numerous in variety, distribute to dynamically withdrawal straightening machine and polishing machine extensibility setting value by different corrected parameters, and according to the value of feedback of extensibility reality the dynamic assignment value is carried out correction-compensation;
Control model is following four kinds:
A) withdrawal straightening machine and polishing machine are thrown the elongation control pattern entirely, and dynamic assignment is to withdrawal straightening machine and polishing machine elongation control value;
B) withdrawal straightening machine is thrown the elongation control pattern, only throws the withdrawal straightening machine elongation control, and polishing machine extensibility setting value is zero;
C) polishing machine is thrown the elongation control pattern, and a light projector complete machine elongation control, withdrawal straightening machine extensibility setting value are zero;
D) without the elongation control pattern, polishing machine, withdrawal straightening machine extensibility setting value all are zero;
The implementation of control:
A) determine according to the PLC that requires with steel kind and finished product order whether withdrawal straightening machine and polishing machine drop into elongation control;
B) drop into elongation control, the elongation control value dynamic assignment of as requested secondary being divided into is to withdrawal straightening machine and polishing machine, outlet extensibility=withdrawal straightening machine extensibility+polishing machine extensibility, withdrawal straightening machine extensibility=outlet extensibility * a%, polishing machine extensibility=outlet extensibility * (1-a%), on-the-fly modify online as required extensibility allocation proportion a%, make extensibility realize dynamic assignment, constantly adjust the abundant control of a% parameter value data value according to actual production, can realize later on the function of self-learning optimization; Do not drop into, the extensibility setting value is zero.
Claims (1)
1. cold rolling salt pickling line outlet extensibility is realized the dynamic assignment automatic control system, it is characterized in that, the one-level basic automation systems are distributed the elongation control mode in real time dynamically according to the production schedule; Extensibility is on the basis of fixed value control, situation according to the practical application scene, for actual with steel production numerous in variety, distribute to dynamically withdrawal straightening machine and polishing machine extensibility setting value by different corrected parameters, and according to the value of feedback of extensibility reality the dynamic assignment value is carried out correction-compensation;
Control model is following four kinds:
A) withdrawal straightening machine and polishing machine are thrown the elongation control pattern entirely, and dynamic assignment is to withdrawal straightening machine and polishing machine elongation control value;
B) withdrawal straightening machine is thrown the elongation control pattern, only throws the withdrawal straightening machine elongation control, and polishing machine extensibility setting value is zero;
C) polishing machine is thrown the elongation control pattern, and a light projector complete machine elongation control, withdrawal straightening machine extensibility setting value are zero;
D) without the elongation control pattern, polishing machine, withdrawal straightening machine extensibility setting value all are zero;
The implementation of control:
A) determine according to the PLC that requires with steel kind and finished product order whether withdrawal straightening machine and polishing machine drop into elongation control;
B) drop into elongation control, the elongation control value dynamic assignment of as requested secondary being divided into is to withdrawal straightening machine and polishing machine, outlet extensibility=withdrawal straightening machine extensibility+polishing machine extensibility, withdrawal straightening machine extensibility=outlet extensibility * a%, polishing machine extensibility=outlet extensibility * (1-a%), on-the-fly modify online as required extensibility allocation proportion a%, make extensibility realize dynamic assignment, constantly adjust the abundant control of a% parameter value data value according to actual production, can realize later on the function of self-learning optimization; Do not drop into, the extensibility setting value is zero.
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CN2012105785451A CN103076778A (en) | 2012-12-27 | 2012-12-27 | Dynamic distribution and automatic control system for cold-rolling hydrochloric acid pickling line outlet ductility |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1923391A (en) * | 2005-08-30 | 2007-03-07 | 宝山钢铁股份有限公司 | Integrate optimized controlling means for planisher elongation roll-force, tension, and roll-bending force |
CN101003063A (en) * | 2006-01-18 | 2007-07-25 | 宝山钢铁股份有限公司 | Method for comprehensive control of elongation coefficient and plate shape of steel band during even rolling process |
CN102626717A (en) * | 2012-04-13 | 2012-08-08 | 中冶南方工程技术有限公司 | Elongation rate distribution method for high-strength steel straightening and leveling unit |
CN102688899A (en) * | 2011-03-23 | 2012-09-26 | 宝山钢铁股份有限公司 | Control method of percentage elongation of double-stand temper mill |
CN102756013A (en) * | 2011-04-27 | 2012-10-31 | 宝山钢铁股份有限公司 | Improving method and device for warping of cold-rolled strip steel |
-
2012
- 2012-12-27 CN CN2012105785451A patent/CN103076778A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1923391A (en) * | 2005-08-30 | 2007-03-07 | 宝山钢铁股份有限公司 | Integrate optimized controlling means for planisher elongation roll-force, tension, and roll-bending force |
CN101003063A (en) * | 2006-01-18 | 2007-07-25 | 宝山钢铁股份有限公司 | Method for comprehensive control of elongation coefficient and plate shape of steel band during even rolling process |
CN102688899A (en) * | 2011-03-23 | 2012-09-26 | 宝山钢铁股份有限公司 | Control method of percentage elongation of double-stand temper mill |
CN102756013A (en) * | 2011-04-27 | 2012-10-31 | 宝山钢铁股份有限公司 | Improving method and device for warping of cold-rolled strip steel |
CN102626717A (en) * | 2012-04-13 | 2012-08-08 | 中冶南方工程技术有限公司 | Elongation rate distribution method for high-strength steel straightening and leveling unit |
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Application publication date: 20130501 |