CN103192047A - Automatic control system and control method for cooling water of crystallizer for novel continuous casting machine - Google Patents

Automatic control system and control method for cooling water of crystallizer for novel continuous casting machine Download PDF

Info

Publication number
CN103192047A
CN103192047A CN2013100556569A CN201310055656A CN103192047A CN 103192047 A CN103192047 A CN 103192047A CN 2013100556569 A CN2013100556569 A CN 2013100556569A CN 201310055656 A CN201310055656 A CN 201310055656A CN 103192047 A CN103192047 A CN 103192047A
Authority
CN
China
Prior art keywords
cooling water
crystallizer
water flow
value
cpu
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2013100556569A
Other languages
Chinese (zh)
Other versions
CN103192047B (en
Inventor
韩基伟
杨文玉
李台龙
丁晓志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baotou Iron and Steel Group Co Ltd
Inner Mongolia Baotou Steel Union Co Ltd
Original Assignee
Baotou Iron and Steel Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Baotou Iron and Steel Group Co Ltd filed Critical Baotou Iron and Steel Group Co Ltd
Priority to CN201310055656.9A priority Critical patent/CN103192047B/en
Publication of CN103192047A publication Critical patent/CN103192047A/en
Application granted granted Critical
Publication of CN103192047B publication Critical patent/CN103192047B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Continuous Casting (AREA)

Abstract

The invention discloses an automatic control system and a control method for cooling water of the crystallizer for a novel continuous casting machine. The invention adopts the scheme that the heat flow value of the crystallizer is calculated through a water inlet temperature detector and a water return temperature detector on the crystallizer, definite flow of cooling water of the crystallizer is corrected as per the heat flow value, and influence to the slab quality and casting safety when heat-conducting property of the crystallizer is changed is removed by changing water allocation amount of cooling water.

Description

Novel conticaster crystallizer cooling water automatic control system and control method thereof
Technical field
The present invention relates to a kind of conticaster automatic control technology, especially relate to a kind of novel conticaster crystallizer cooling water automatic control system and control method thereof.
Background technology
During the conticaster of metallurgical industry was produced, crystallizer was one of equipment of most critical, and crystallizer cooling water control system is one of key factor of conticaster efficient stable production.How the high-quality work of efficient stable is the problem that people pay close attention to always to conticaster, the improper serious accident that can influence cc billet surface quality even bring out bleed-out of crystallizer water quench intensity, therefore set up reliable crystallizer cooling water water allocation model, the water distribution strategy of application of advanced is the key that improves slab quality, improves casting efficient.
As shown in Figure 1, be the workflow diagram of model-controlled system in the prior art; As shown in Figure 2, be model control principle figure in the prior art.Model-controlled system comprises electromagnetic flowmeter, data acquisition module, CPU, signal output module, pneumatic control valve, communication module, second-level model and man machine operation interface structures such as (HMI).
The crystallizer cooling pool of continuous casting is made up of narrow limit, crystallizer left side, narrow limit, crystallizer right side, crystallizer fixation side, loosening four cooling zones of side of crystallizer.The crystallizer cooling water water management model that is based on strand steel grade and section of present use, namely according to different steel grades, different section is set the different crystallizer cooling water water water yields, only the crystallizer cooling water water yield changes when strand steel grade and section change, the method is based on production practices, reference is the water distribution quantity inducing classification of qualified strand repeatedly, and in conjunction with certain Study on Mathematic Model, the relation of the steel grade of determining and the section syncrystallization device cooling water water distribution water yield, form with water meter is stored in the host computer, and the crystallizer cooling water water water distribution quantity of being set according to the host computer water meter by PLC carries out PID and controls automatically.
Said method PLC can guarantee that the crystallizer water distribution quantity is consistent with section variation with steel grade.Above-mentioned crystallizer cooling water control system is only relevant with the water yield and steel grade, does not consider the heat conductivility of crystallizer.It is no problem that this model uses under the stable situation of casting cycle.
But this model has obvious defects: only can normally use under the stable situation of casting cycle, can't be suitable for when site environment or technological factor change.When protium content increased in the molten steel, the heat conductivility of crystallizer protecting residue worsened, and the crystallizer heat conductivility changes.If still the cooling water specified rate that calculates according to model is cast and can be caused the inhomogeneous even base shell generation thickness deficiency of casting blank shell generation in the crystallizer, influence slab quality even bring out bleed-out.
Summary of the invention
Technical problem solved by the invention provides a kind of novel conticaster crystallizer cooling water automatic control system, has overcome when the crystallizer heat conductivility changes slab quality and the safe influence of casting.
Technical scheme is as follows:
A kind of novel conticaster crystallizer cooling water automatic control system comprises:
The inflow temperature detector for detection of the inflow temperature of crystallizer, and sends to data acquisition module with detected crystallizer inflow temperature value;
The return water temperature detector for detection of the return water temperature of crystallizer, and sends to data acquisition module with detected crystallizer return water temperature value;
Electromagnetic flowmeter for detection of the cooling water flow of crystallizer, and is sent to data acquisition module with actual cooling water flow value;
Data acquisition module be used for cooling water flow value, crystallizer inflow temperature value and crystallizer return water temperature value are converted to the signal of identifying CPU respectively, and the signal after will handling is sent to CPU;
CPU, the setting cooling water flow value and the described actual cooling water flow value that obtain according to crystallizer inflow temperature value and crystallizer return water temperature value carry out the PID computing, form control signal, and described control signal is sent to signal output module;
Signal output module is used for the described control signal that CPU generates is sent to pneumatic control valve;
Pneumatic control valve is regulated aperture according to the control signal that receives, and realizes the adjusting of crystallizer cooling water.
Further: described CPU calculates the actual heat flow value of current crystallizer according to crystallizer inflow temperature value and crystallizer return water temperature value, and actual heat flow value compared and draw the hot-fluid deviate with being stored in setting benchmark heat flow value among the described CPU, calculate revised setting cooling water flow value according to the hot-fluid deviate; CPU goes out the actual cooling water flow of current crystallizer according to the cooling water flow calculated signals of electromagnetic flowmeter subsequently, carries out the PID computing according to setting cooling water flow value and actual cooling water flow value, forms control signal.
Further: described CPU communicates with the cooling water water allocation model by communication module, setting cooling water flow is sent among the CPU by the cooling water water allocation model, CPU receive behind the signal in conjunction with data acquisition module receive the revised setting cooling water flow value that calculates of inflow temperature value and return water temperature temperature value, then by described signal output module control described pneumatic control valve begin to move up to the actual cooling water flow of described electromagnetic flowmeter feedback with the deviation of revised setting cooling water flow value within the specific limits till.
Further: set the cooling water flow value and obtain by formula Q=a △ T+Qs and △ T=Ts-Tp; Wherein, Q is the water distribution quantity of crystallizer cooling zone; a is the crystallizer cooling zone control parameter under specific steel grade and the section condition; T is the hot-fluid deviate under specific steel grade, specific covering slag and the specific section condition; Ts is the setting benchmark hot-fluid setting value that is stored among the CPU; Tp is the actual heat flow value that calculates current crystallizer, and Qs is the cooling water flow setting value that traditional cooling water water allocation model draws.
Further: the opening degree of pneumatic control valve obtains by formula F=K (KP △ Q+KI * ∫ △ Q.dt) and Q=Q – Qp in the described control signal; Wherein, F is the opening degree of pneumatic control valve, and K represents the coefficient of PID, and KP represents proportionality coefficient, and KI represents integral coefficient, and Qp is for calculating the actual cooling water discharge of current crystallizer, the deviate of Δ Q cooling water flow.
Another technical problem solved by the invention provides a kind of novel conticaster crystallizer cooling water autocontrol method, has overcome when the crystallizer heat conductivility changes slab quality and the safe influence of casting.
Technical scheme is as follows:
A kind of novel conticaster crystallizer cooling water autocontrol method comprises:
The inflow temperature detector detects the inflow temperature of crystallizer, and detected crystallizer inflow temperature value is sent to data acquisition module;
The return water temperature detector detects the return water temperature of crystallizer, and detected crystallizer return water temperature value is sent to data acquisition module;
Electromagnetic flowmeter detects the cooling water flow of crystallizer, and actual cooling water flow value is sent to data acquisition module;
Data acquisition module is converted to the signal of identifying CPU respectively with cooling water flow value, crystallizer inflow temperature value and crystallizer return water temperature value, and the signal after will handling is sent to CPU;
CPU carries out the PID computing according to setting cooling water flow value and the described actual cooling water flow value that crystallizer inflow temperature value and crystallizer return water temperature value obtain, and forms control signal, and described control signal is sent to signal output module;
Signal output module sends to pneumatic control valve with the described control signal that CPU generates;
Pneumatic control valve is regulated aperture according to the control signal that receives, and realizes the adjusting of crystallizer cooling water.
Further: described CPU calculates the actual heat flow value of current crystallizer according to crystallizer inflow temperature value and crystallizer return water temperature value, and actual heat flow value compared and draw the hot-fluid deviate with being stored in setting benchmark heat flow value among the described CPU, calculate revised setting cooling water flow value according to the hot-fluid deviate; CPU goes out the actual cooling water flow of current crystallizer according to the cooling water flow calculated signals of electromagnetic flowmeter subsequently, carries out the PID computing according to setting cooling water flow value and actual cooling water flow value, forms control signal.
Further: described CPU communicates with the cooling water water allocation model by communication module, setting cooling water flow is sent among the CPU by the cooling water water allocation model, CPU receive behind the signal in conjunction with data acquisition module receive the revised setting cooling water flow value that calculates of inflow temperature value and return water temperature temperature value, then by described signal output module control described pneumatic control valve begin to move up to the actual cooling water flow of described electromagnetic flowmeter feedback with the deviation of revised setting cooling water flow value within the specific limits till.
Further: set the cooling water flow value and obtain by formula Q=a △ T+Qs and △ T=Ts-Tp; Wherein, Q is the water distribution quantity of crystallizer cooling zone; a is the crystallizer cooling zone control parameter under specific steel grade and the section condition; T is the hot-fluid deviate under specific steel grade, specific covering slag and the specific section condition; Ts is the setting benchmark hot-fluid setting value that is stored among the CPU; Tp is the actual heat flow value that calculates current crystallizer, and Qs is the cooling water flow setting value that traditional cooling water water allocation model draws.
Further: the opening degree of pneumatic control valve obtains by formula F=K (KP △ Q+KI * ∫ △ Q.dt) and Q=Q – Qp in the described control signal; Wherein, F is the opening degree of pneumatic control valve, and K represents the coefficient of PID, and KP represents proportionality coefficient, and KI represents integral coefficient, and Qp is for calculating the actual cooling water discharge of current crystallizer, the deviate of Δ Q cooling water flow.
Compared with prior art, technique effect comprises:
1, the present invention has considered that not only different steel grades, different section set the different crystallizer cooling water water water yields to the influence of the crystallizer cooling water water yield, regulate the crystallizer cooling water flow when also having set the crystallizer heat conductivility and changing, thereby reach when eliminating the crystallizer heat conductivility and changing the influence to strand.So the present invention has overcome when the crystallizer heat conductivility changes slab quality and the safe influence of casting.
2, utilize the present invention to save because the influence that the bleed-out accident causes.
Bleed-out accident impact of every generation was produced 6 hours, per hour produce 240 tons, 2000 yuan of calculating of strand per ton, damage 6 * 240 * 2,00=,288 ten thousand, each bleed-out need be changed tundish, crystallizer, 0 section on fan type, crystallizer maintenance cost=200,000 yuan/, 0 section maintenance cost=150,000 of fan type yuan/, tundish expense=1.5 ten thousand yuan/.Each bleed-out loses 2,880,000 yuan+200,000 yuan+150,000 yuan+1.5 ten thousand yuan=324.5 ten thousand yuan altogether.Be that bleed-out accident of every prevention can be saved 234.5 ten thousand yuan.
Description of drawings
Fig. 1 is the workflow diagram of model-controlled system in the prior art;
Fig. 2 is the schematic diagram of control method in the prior art;
Fig. 3 is the workflow diagram of model control system among the present invention;
Fig. 4 is control method schematic diagram among the present invention.
The specific embodiment
The present invention is directed to the fluctuation of crystallizer heat conductivility to this problem that influences of crystallizer cooling water water distribution quantity, develop a kind of novel conticaster crystallizer cooling water automatic control system and control method, when being intended to eliminate the crystallizer heat conductivility and changing to the influence of casting safety and slab quality.
Novel conticaster crystallizer cooling water automatic control system provided by the invention and control method are based on the crystallizer cooling water control device of crystallizer hot-fluid, slab steel grade and slab section.
As described in Figure 3, be the workflow diagram of model-controlled system among the present invention.Novel conticaster crystallizer cooling water automatic control system provided by the invention, model-controlled system of the prior art is improved, inflow temperature detector, return water temperature detector have been increased at crystallizer, improved the function of central processing unit (CPU), inflow temperature detector, return water temperature detector are connected to data acquisition module by cable; Inflow temperature detector, return water temperature detector are respectively applied to detect the water inlet of crystallizer and the temperature of backwater, and crystallizer inflow temperature signal and crystallizer return water temperature signal sent to data acquisition module by cable, the signal after data acquisition module will be handled is sent in the central processing unit (CPU).
As shown in Figure 4, be control method schematic diagram among the present invention.The invention provides a kind of brand-new control method, calculate the heat flow value of crystallizer by the inflow temperature detector on the crystallizer and return water temperature detector, according to heat flow value the crystallizer cooling water is set flow and revise, reach when eliminating the crystallizer heat conductivility and changing influence to slab quality and casting safety by changing the cooling water water distribution quantity.Control method is: CPU communicates with the cooling water water allocation model by communication module, setting cooling water flow is sent in CPU by the cooling water water allocation model, CPU receives after signal in conjunction with data acquisition module and receives to obtain the revised setting cooling water flow that calculates of inflow temperature detector and return water temperature detector, then control by signal output module that pneumatic control valve starts to move until the actual cooling water flow of electromagnetic flowmeter feedback with the deviate of revised setting cooling water flow within the specific limits
Below in conjunction with Fig. 3 and Fig. 4, function and the course of work of the inflow temperature detector on the crystallizer, return water temperature detector, electromagnetic flowmeter, data acquisition module, CPU, signal output module, pneumatic control valve and HMI interface module elaborated.
The inflow temperature detector for detection of the inflow temperature of crystallizer, and sends to data acquisition module with detected crystallizer inflow temperature value.
The return water temperature detector for detection of the return water temperature of crystallizer, and sends to data acquisition module with detected crystallizer return water temperature value.
Electromagnetic flowmeter for detection of the cooling water flow of crystallizer, and is sent to data acquisition module with the cooling water flow value.
Data acquisition module is used for cooling water flow value, crystallizer inflow temperature value and crystallizer return water temperature value are converted to the CPU discernible signal, and the signal after handling is sent among the CPU.
The cooling water water allocation model is used for setting different crystallizer cooling water flows according to different casting blank steel grade, different section, only crystallizer cooling water flow change when strand steel grade and section change; The cooling water water allocation model is based on production practices, and reference is the water distribution quantity inducing classification of qualified strand repeatedly, and in conjunction with certain Study on Mathematic Model, the relation of the strand steel grade of determining and section syncrystallization device cooling water distributed water flow.
CPU carries out the PID computing according to setting cooling water flow value and actual cooling water flow value, forms control signal, and control signal is sent to pneumatic control valve by signal output module, and the control pneumatic control valve is regulated cooling water flow.CPU by signal output module control pneumatic control valve begin to move up to the actual cooling water flow of electromagnetic flowmeter feedback with the difference of revised setting cooling water flow within the specific limits till, finally reach when eliminating the crystallizer heat conductivility and changing influence to slab quality and casting safety by changing the cooling water water distribution quantity.CPU communicates with the cooling water water allocation model by communication module, set cooling water flow and sent among the CPU by the cooling water water allocation model, CPU receives behind the signal and to receive to such an extent that inflow temperature value and return water temperature value calculate revised setting cooling water flow in conjunction with data acquisition module.
Signal output module is used for the control signal that CPU generates is sent to pneumatic control valve.
Pneumatic control valve is regulated aperture according to control signal, realizes the adjusting of crystallizer cooling water, comes crystallization control device cooling water flow by pneumatic control valve, thereby reaches when eliminating the crystallizer heat conductivility and changing the influence to strand.
The HMI interface module by the real-time Communication for Power of communication module realization and CPU, can be monitored the signal that the transmission of PLC control system comes in real time, produces alarm signal and failure diagnosis information.
Below in conjunction with accompanying drawing 4, control method is elaborated.
CPU, go out the actual heat flow value of current crystallizer according to crystallizer inflow temperature signal and crystallizer return water temperature calculated signals, and actual heat flow value compared and draw the hot-fluid deviate with being stored in setting benchmark heat flow value among the CPU, calculate revised cooling water flow setting value according to the hot-fluid deviate.This part control can be summarized as following mathematic(al) representation:
Q=a△T+Qs,△T=Ts-Tp
Wherein Q is the water distribution quantity of crystallizer cooling zone;
A is the crystallizer cooling zone control parameter under specific steel grade, the section condition;
T is the hot-fluid deviate under specific steel grade, specific covering slag, the specific section condition;
Ts is the setting benchmark hot-fluid setting value that is stored among the CPU;
Tp is the actual heat flow value that calculates current crystallizer;
Qs is the cooling water flow setting value that traditional cooling water water allocation model draws.
CPU calculates the actual cooling water flow value of current crystallizer according to the cooling water flow value of electromagnetic flowmeter subsequently; Carry out the PID computing according to setting cooling water flow value and actual cooling water flow value, form control signal, and control signal is sent to pneumatic control valve by signal output module, the control pneumatic control valve is regulated discharge.This part control method can be summarized as following mathematic(al) representation:
F=K(KP△Q+KI×∫△Q.dt),Q=Q–Qp
Wherein, F is the opening degree of pneumatic control valve;
K represents the coefficient of PID;
KP represents proportionality coefficient;
KI represents integral coefficient;
Qp is for calculating the actual cooling water discharge of current crystallizer;
The deviate of Δ Q cooling water flow;
Finally reach when eliminating the crystallizer heat conductivility and changing influence to slab quality and casting safety by changing the cooling water water distribution quantity.
What more than enumerate only is a specific embodiment.Obviously the present invention not only is confined to above embodiment, and many distortion can also be arranged.As the PLC system is substituted with the DCS system.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.

Claims (10)

1. novel conticaster crystallizer cooling water automatic control system comprises:
The inflow temperature detector for detection of the inflow temperature of crystallizer, and sends to data acquisition module with detected crystallizer inflow temperature value;
The return water temperature detector for detection of the return water temperature of crystallizer, and sends to data acquisition module with detected crystallizer return water temperature value;
Electromagnetic flowmeter for detection of the cooling water flow of crystallizer, and is sent to data acquisition module with actual cooling water flow value;
Data acquisition module be used for cooling water flow value, crystallizer inflow temperature value and crystallizer return water temperature value are converted to the signal of identifying CPU respectively, and the signal after will handling is sent to CPU;
CPU, the setting cooling water flow value and the described actual cooling water flow value that obtain according to crystallizer inflow temperature value and crystallizer return water temperature value carry out the PID computing, form control signal, and described control signal is sent to signal output module;
Signal output module is used for the described control signal that CPU generates is sent to pneumatic control valve;
Pneumatic control valve is regulated aperture according to the control signal that receives, and realizes the adjusting of crystallizer cooling water.
2. novel conticaster crystallizer cooling water automatic control system as claimed in claim 1, it is characterized in that: described CPU calculates the actual heat flow value of current crystallizer according to crystallizer inflow temperature value and crystallizer return water temperature value, and actual heat flow value compared and draw the hot-fluid deviate with being stored in setting benchmark heat flow value among the described CPU, calculate revised setting cooling water flow value according to the hot-fluid deviate; CPU goes out the actual cooling water flow of current crystallizer according to the cooling water flow calculated signals of electromagnetic flowmeter subsequently, carries out the PID computing according to setting cooling water flow value and actual cooling water flow value, forms control signal.
3. as claim 1 or 2 described novel conticaster crystallizer cooling water automatic control systems, it is characterized in that: described CPU communicates with the cooling water water allocation model by communication module, setting cooling water flow is sent among the CPU by the cooling water water allocation model, CPU receive behind the signal in conjunction with data acquisition module receive the revised setting cooling water flow value that calculates of inflow temperature value and return water temperature temperature value, then by described signal output module control described pneumatic control valve begin to move up to the actual cooling water flow of described electromagnetic flowmeter feedback with the deviation of revised setting cooling water flow value within the specific limits till.
4. novel conticaster crystallizer cooling water automatic control system as claimed in claim 2 is characterized in that: set the cooling water flow value and obtain by formula Q=a △ T+Qs and △ T=Ts-Tp; Wherein, Q is the water distribution quantity of crystallizer cooling zone; a is the crystallizer cooling zone control parameter under specific steel grade and the section condition; T is the hot-fluid deviate under specific steel grade, specific covering slag and the specific section condition; Ts is the setting benchmark hot-fluid setting value that is stored among the CPU; Tp is the actual heat flow value that calculates current crystallizer, and Qs is the cooling water flow setting value that traditional cooling water water allocation model draws.
5. novel conticaster crystallizer cooling water automatic control system as claimed in claim 4, it is characterized in that: the opening degree of pneumatic control valve obtains by formula F=K (KP △ Q+KI * ∫ △ Q.dt) and Q=Q – Qp in the described control signal; Wherein, F is the opening degree of pneumatic control valve, and K represents the coefficient of PID, and KP represents proportionality coefficient, and KI represents integral coefficient, and Qp is for calculating the actual cooling water discharge of current crystallizer, the deviate of Δ Q cooling water flow.
6. novel conticaster crystallizer cooling water autocontrol method comprises:
The inflow temperature detector detects the inflow temperature of crystallizer, and detected crystallizer inflow temperature value is sent to data acquisition module;
The return water temperature detector detects the return water temperature of crystallizer, and detected crystallizer return water temperature value is sent to data acquisition module;
Electromagnetic flowmeter detects the cooling water flow of crystallizer, and actual cooling water flow value is sent to data acquisition module;
Data acquisition module is converted to the signal of identifying CPU respectively with cooling water flow value, crystallizer inflow temperature value and crystallizer return water temperature value, and the signal after will handling is sent to CPU;
CPU carries out the PID computing according to setting cooling water flow value and the described actual cooling water flow value that crystallizer inflow temperature value and crystallizer return water temperature value obtain, and forms control signal, and described control signal is sent to signal output module;
Signal output module sends to pneumatic control valve with the described control signal that CPU generates;
Pneumatic control valve is regulated aperture according to the control signal that receives, and realizes the adjusting of crystallizer cooling water.
7. novel conticaster crystallizer cooling water autocontrol method as claimed in claim 6, it is characterized in that: described CPU calculates the actual heat flow value of current crystallizer according to crystallizer inflow temperature value and crystallizer return water temperature value, and actual heat flow value compared and draw the hot-fluid deviate with being stored in setting benchmark heat flow value among the described CPU, calculate revised setting cooling water flow value according to the hot-fluid deviate; CPU goes out the actual cooling water flow of current crystallizer according to the cooling water flow calculated signals of electromagnetic flowmeter subsequently, carries out the PID computing according to setting cooling water flow value and actual cooling water flow value, forms control signal.
8. as claim 6 or 7 described novel conticaster crystallizer cooling water autocontrol methods, it is characterized in that: described CPU communicates with the cooling water water allocation model by communication module, setting cooling water flow is sent among the CPU by the cooling water water allocation model, CPU receive behind the signal in conjunction with data acquisition module receive the revised setting cooling water flow value that calculates of inflow temperature value and return water temperature temperature value, then by described signal output module control described pneumatic control valve begin to move up to the actual cooling water flow of described electromagnetic flowmeter feedback with the deviation of revised setting cooling water flow value within the specific limits till.
9. novel conticaster crystallizer cooling water autocontrol method as claimed in claim 7 is characterized in that: set the cooling water flow value and obtain by formula Q=a △ T+Qs and △ T=Ts-Tp; Wherein, Q is the water distribution quantity of crystallizer cooling zone; a is the crystallizer cooling zone control parameter under specific steel grade and the section condition; T is the hot-fluid deviate under specific steel grade, specific covering slag and the specific section condition; Ts is the setting benchmark hot-fluid setting value that is stored among the CPU; Tp is the actual heat flow value that calculates current crystallizer, and Qs is the cooling water flow setting value that traditional cooling water water allocation model draws.
10. novel conticaster crystallizer cooling water autocontrol method as claimed in claim 9, it is characterized in that: the opening degree of pneumatic control valve obtains by formula F=K (KP △ Q+KI * ∫ △ Q.dt) and Q=Q-Qp in the described control signal; Wherein, F is the opening degree of pneumatic control valve, and K represents the coefficient of PID, and KP represents proportionality coefficient, and KI represents integral coefficient, and Qp is for calculating the actual cooling water discharge of current crystallizer, the deviate of Δ Q cooling water flow.
CN201310055656.9A 2013-02-21 2013-02-21 Conticaster crystallizer automatic cooling water control system and control method thereof Active CN103192047B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310055656.9A CN103192047B (en) 2013-02-21 2013-02-21 Conticaster crystallizer automatic cooling water control system and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310055656.9A CN103192047B (en) 2013-02-21 2013-02-21 Conticaster crystallizer automatic cooling water control system and control method thereof

Publications (2)

Publication Number Publication Date
CN103192047A true CN103192047A (en) 2013-07-10
CN103192047B CN103192047B (en) 2015-09-16

Family

ID=48714965

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310055656.9A Active CN103192047B (en) 2013-02-21 2013-02-21 Conticaster crystallizer automatic cooling water control system and control method thereof

Country Status (1)

Country Link
CN (1) CN103192047B (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104084553A (en) * 2014-07-24 2014-10-08 山西太钢不锈钢股份有限公司 Automatic adjusting system for continuous crystallizer soft water
CN104162638A (en) * 2014-08-14 2014-11-26 中国重型机械研究院股份公司 Crystallizer cooling water control device and method
CN104313683A (en) * 2014-11-21 2015-01-28 刘瑜 Automatic cooling water temperature control device for kyropoulos method sapphire crystal growth equipment
CN104525885A (en) * 2014-12-31 2015-04-22 中冶东方工程技术有限公司 Cast steel strong cooling spraying system and strong cooling technology method
CN106141129A (en) * 2016-09-14 2016-11-23 青海桥头铝电股份有限公司 A kind of production method of aluminium alloy flat bloom
CN106475541A (en) * 2015-08-25 2017-03-08 宝山钢铁股份有限公司 Prevent continuous casting from even pouring the method and device of base bleed-out
CN108620558A (en) * 2018-07-25 2018-10-09 广东肇庆动力金属股份有限公司 A kind of Real-time Water cold flow amount control system
CN109332614A (en) * 2018-11-12 2019-02-15 莱芜钢铁集团银山型钢有限公司 A kind of non-equilibrium casting beam blank mould cooling controller of single-point and control method
CN110068242A (en) * 2019-03-19 2019-07-30 浙江理工大学 Adaptive intelligent flood pattern and water-filling method based on PID control
CN110238358A (en) * 2019-05-23 2019-09-17 首钢京唐钢铁联合有限责任公司 Continuous casting crystallining water system control method, device and electronic equipment
CN110369687A (en) * 2019-08-02 2019-10-25 中国重型机械研究院股份公司 A kind of intelligent apparatus and method of the online trapezoidal defect of slab section of amendment in real time
CN110576160A (en) * 2019-09-26 2019-12-17 中冶赛迪工程技术股份有限公司 control system and method for crystallizer water of continuous casting machine
CN115383072A (en) * 2022-08-25 2022-11-25 太原晋西春雷铜业有限公司 Control method of cooling water in crystallizer

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886991A (en) * 1972-04-18 1975-06-03 Concast Ag Method and apparatus for controlling the withdrawal of heat in molds of continuous casting installations
US4066114A (en) * 1974-08-20 1978-01-03 Mannesmann Aktiengesellschaft Supervision and control of continuous casting
JPS6049849A (en) * 1983-08-26 1985-03-19 Kawasaki Heavy Ind Ltd Device for supplying mold cooling water for horizontal continuous casting
EP1103323A2 (en) * 1999-11-29 2001-05-30 SMS Demag AG Process and device for continuous casting of steel
CN201922012U (en) * 2010-11-17 2011-08-10 中冶南方工程技术有限公司 Advanced secondary cooling water distribution control device for billet caster
CN102059333B (en) * 2010-11-17 2012-11-14 中冶南方工程技术有限公司 Advanced secondary cooling water control system of billet continuous casting machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886991A (en) * 1972-04-18 1975-06-03 Concast Ag Method and apparatus for controlling the withdrawal of heat in molds of continuous casting installations
US4066114A (en) * 1974-08-20 1978-01-03 Mannesmann Aktiengesellschaft Supervision and control of continuous casting
JPS6049849A (en) * 1983-08-26 1985-03-19 Kawasaki Heavy Ind Ltd Device for supplying mold cooling water for horizontal continuous casting
EP1103323A2 (en) * 1999-11-29 2001-05-30 SMS Demag AG Process and device for continuous casting of steel
CN201922012U (en) * 2010-11-17 2011-08-10 中冶南方工程技术有限公司 Advanced secondary cooling water distribution control device for billet caster
CN102059333B (en) * 2010-11-17 2012-11-14 中冶南方工程技术有限公司 Advanced secondary cooling water control system of billet continuous casting machine

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104084553A (en) * 2014-07-24 2014-10-08 山西太钢不锈钢股份有限公司 Automatic adjusting system for continuous crystallizer soft water
CN104084553B (en) * 2014-07-24 2016-06-22 山西太钢不锈钢股份有限公司 Continuous cast mold soft water automatic regulating system
CN104162638A (en) * 2014-08-14 2014-11-26 中国重型机械研究院股份公司 Crystallizer cooling water control device and method
CN104313683A (en) * 2014-11-21 2015-01-28 刘瑜 Automatic cooling water temperature control device for kyropoulos method sapphire crystal growth equipment
CN104525885A (en) * 2014-12-31 2015-04-22 中冶东方工程技术有限公司 Cast steel strong cooling spraying system and strong cooling technology method
CN104525885B (en) * 2014-12-31 2016-06-15 中冶东方工程技术有限公司 A kind of strong cold water spray system of cast steel and strong refrigerating technology
CN106475541A (en) * 2015-08-25 2017-03-08 宝山钢铁股份有限公司 Prevent continuous casting from even pouring the method and device of base bleed-out
CN106141129A (en) * 2016-09-14 2016-11-23 青海桥头铝电股份有限公司 A kind of production method of aluminium alloy flat bloom
CN108620558A (en) * 2018-07-25 2018-10-09 广东肇庆动力金属股份有限公司 A kind of Real-time Water cold flow amount control system
CN109332614A (en) * 2018-11-12 2019-02-15 莱芜钢铁集团银山型钢有限公司 A kind of non-equilibrium casting beam blank mould cooling controller of single-point and control method
CN109332614B (en) * 2018-11-12 2021-04-13 莱芜钢铁集团银山型钢有限公司 Cooling control device and method for single-point non-equilibrium casting special-shaped blank crystallizer
CN110068242A (en) * 2019-03-19 2019-07-30 浙江理工大学 Adaptive intelligent flood pattern and water-filling method based on PID control
WO2020187338A1 (en) * 2019-03-19 2020-09-24 浙江理工大学 Pid control-based adaptive smart water injection system and water injection method
CN110238358A (en) * 2019-05-23 2019-09-17 首钢京唐钢铁联合有限责任公司 Continuous casting crystallining water system control method, device and electronic equipment
CN110238358B (en) * 2019-05-23 2021-04-23 首钢京唐钢铁联合有限责任公司 Control method and device for continuous casting crystal water system and electronic equipment
CN110369687A (en) * 2019-08-02 2019-10-25 中国重型机械研究院股份公司 A kind of intelligent apparatus and method of the online trapezoidal defect of slab section of amendment in real time
CN110369687B (en) * 2019-08-02 2024-04-30 中国重型机械研究院股份公司 Intelligent device and method for online real-time correction of trapezoidal defects of slab section
CN110576160A (en) * 2019-09-26 2019-12-17 中冶赛迪工程技术股份有限公司 control system and method for crystallizer water of continuous casting machine
CN115383072A (en) * 2022-08-25 2022-11-25 太原晋西春雷铜业有限公司 Control method of cooling water in crystallizer

Also Published As

Publication number Publication date
CN103192047B (en) 2015-09-16

Similar Documents

Publication Publication Date Title
CN103192047B (en) Conticaster crystallizer automatic cooling water control system and control method thereof
CN101332499B (en) Slab continuous-casting bleedout forecast control method
CN101797634B (en) Die-casting mold multi-point precise temperature control system and method
CN101983800B (en) Secondary cooling water distribution advanced control method for billet continuous casting machine
CN102059333B (en) Advanced secondary cooling water control system of billet continuous casting machine
CN101934353A (en) Device and method for breakout prediction during slab continuous casting
CN201922012U (en) Advanced secondary cooling water distribution control device for billet caster
CN105983674B (en) A kind of continuous casting automatic on-line adjusts wide control system and process control method
CN104162638A (en) Crystallizer cooling water control device and method
CN110523941B (en) Continuous casting bonding bleed-out multistage risk control method and control device
CN103878335B (en) A kind of method of preventing conticaster crystallizer cohesiveness bleed-out
CN102814481A (en) Continuous casting secondary cooling dynamic control method based on online temperature measuring and heat transferring model
CN104331629A (en) Uneven distributed calculating method of liquid, solid powder film and air gap thickness of continuous casting crystallizer casting powder
CN103264149A (en) Method and device using computer programs to carry out continuous casting tail blank fixed length optimizing cutting
CN203484632U (en) Fixed length optimization cutting apparatus for continuous casting tail blank
CN102416456B (en) Secondary cooling control system for continuous casting of plate blank and method
CN102343427A (en) Breakout prediction method for slab continuous casting mold based on withdrawal resistance
CN105618700A (en) Method for accurately positioning continuously cast blank outlier caused by gate replacement
CN203292450U (en) Novel continuous casting machine crystallizer cooling water automatic control device
CN103008597A (en) System and method for automatically controlling second cooling of continuous casting
CN107824756B (en) Steel control method more than a kind of slab caster tundish based on continuous temperature measurement
CN104942247A (en) Control system and method for regulating electromagnetic stirrer in continuous casting process
CN102847904B (en) System and method for dynamic control of cooling of slab continuous casting crystallizer
CN102222147B (en) Simulation system for on-line stimulating liquid steel solidification heat-transfer process in continuous-casting crystallizer
CN102416454A (en) Method for controlling dynamic soft reduction of continuous casting plate blank

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant