CN103100678A - Online control system and method of influencing parameters of continuous casting defects - Google Patents
Online control system and method of influencing parameters of continuous casting defects Download PDFInfo
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Abstract
The invention relates to an online control system and a method of influencing parameters of continuous casting defects. The online control system of the influencing parameters of the continuous casting defects mainly comprises a data acquisition unit, a production rule setting unit, a casting information tracking unit and a parameter comparing unit. By means of the continuous casting parameters which are related to a certain defect parameter of the quality of a casting blank and are provided by a casting information tracking online detecting data acquisition system, procedure parameters of the current process can be recorded and the parameter value and a target value and the reasonable range set by the production rule setting unit can be compared through the parameter comparing unit to be used for monitoring the operating conditions of a caster in real time, so that the defect parameters which can cause quality defects can be judged accurately, and therefore measurements can be taken timely, process and device parameter can be adjusted and occurrence rate of defects can be reduced.
Description
Technical field
The present invention relates to a kind of online production control system and method for continuous casting billet, belong to the automatic control technology field of the online detection forecast of continuous casting billet defective effect parameter.
Background technology
The On-line Control parameter of continuous casting billet comprises: cleanliness (mainly referring to nonmetallic inclusionsin steel quantity, type, size, distribution and form); Surface defect of bloom (mainly referring to surface longitudinal crack, surface transverse cracks, pattern cracking, bubble and slag inclusion etc.); Strand internal flaw (mainly comprising strand middle crack, triangular area crack, center line crackle, loose, shrinkage cavity and center segregation etc.).
Improving the continuous casting billet cleanliness factor is the system engineering of a complexity, with regard to the continuous casting process, obtain clean continuous casting billet, its task is that molten steel no longer by recontamination, should create favorable conditions to promote the non-metallic inclusion removal of further floating as far as possible in tundish and crystallizer in casting process in casting process.The pollution again of molten steel in casting process depends mainly on the interaction of secondary oxidation of steel degree, molten steel and environment (air, slag, cylinder-packing refractory material etc.), the stability of MOLTEN STEEL FLOW etc.
Whether casting billet surface intact is that follow-up heat is sent, the precondition of hot charging and Direct Rolling.The generation of surface defect of bloom depends mainly on molten steel at the process of setting of crystallizer, and reduce surface defect of bloom needs following measures: crystallization control device molten steel face stability, guarantee that solidified shell growth uniformity in crystallizer, crystallizer molten steel flow condition are reasonable etc.
The underbead crack of continuous casting billet has a strong impact on the combination property of steel and rolling the becoming a useful person of strand.The generation of strand internal flaw depends mainly on the strand of the liquid core process of setting in two cold-zones, and improve Inner Quality of Billet needs following measures: low temperature pouring molten steel, strand evenly cooling, prevent that Deformation of Slab Bulge, casting blank solidification end from gently depressing and electromagnetic agitating technology etc.
Mainly contain two kinds of methods about the research that improves the continuous casting billet quality problem at present: the one, certain defective effect parameter that affects quality is carried out special item; Relation to concrete slab quality defective effect parameter and technological parameter, operating condition is carried out experimental study and qualitative analysis, finds out influence factor and precautionary measures.Two are based on the Quality Forecasting of special defect detection equipment; Rely on special checkout equipment online the continuous casting billet defective is surveyed and classified, and show details, help to provide Information locating and correcting defect reason.These methods are effective improving on slab quality, but in continuous casting production process, if grasp in advance the quality problems that might occur, in order to the necessary precaution measure is predicted and taked to the slab quality defective, just must be monitored the links in production process, cause workload excessive, application has very large limitation.
Summary of the invention
The present invention proposes a kind of on-line control system and method for continuous casting billet defective effect parameter for solving the problems of the technologies described above, and is easy to use, can affect parameter to the casting blank defect that exists judges accurately, in time take measures, adjusting process and device parameter reduce the defective incidence.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
The On-Line Control Method of continuous casting billet defective effect parameter is characterized in that comprising following steps:
Step 1, input affects the continuous casting parameter of parameter correlation with casting blank defect in data acquisition unit, and defines each parameter attribute;
Step 2, utilize the producting rule setup unit, and according to steel grade and casting blank section, continuous casting parameter objectives value and excursion are set;
Step 3, utilize the casting information trace unit include casting status tracking unit and quality event tracking unit cast status tracking and quality event tracking: the steel grade of each heat of real time record, section and scale, and casting blank defect is affected the continuous casting supplemental characteristic storage of parameter correlation.
Step 4, utilize the parameter comparing unit that the parameters of technique process value of this heat and this steel grade of producting rule setup unit setting and the relevant parameter under section are contrasted in real time, if do not send caution in order in time adjust the Processes and apparatus parameter of current strand in the producting rule setup unit is set claimed range.
By technique scheme, the continuous casting parameter of step 1 is divided into event mode parameter and automatic recordable type parameter by the metallurgical mechanism analysis of continuous casting and solidifying process and the statistical analysis of a large amount of continuous casting production event datas are found out; The event mode parameter is the quality event of manual activation input, and the recordable type parameter obtains by the casting process parameter values being carried out periodicity collection automatically, and parameter derives from first class control system and secondary is controlled software data, or hand input-data; Described event mode parameter comprises that the mouth of a river breaks, opens wide cast, stops watering the behavior event, and described automatic recordable type parameter comprises casting rate, mould liquid level, Metal in Tundish liquid level; Described continuous casting parameter comprises following attribute: parameter numbering, parameter name, unit, source, data type, grab type, coefficient.
By technique scheme, in step 2, described continuous casting parameter objectives value and excursion arrange according to steel grade and casting blank section, according to the metallurgical mechanism analysis of continuous casting and solidifying process and the statistical analysis of a large amount of continuous casting production event datas are determined.
By technique scheme, in step 3, described casting machine open water signal parameter comprise unwrap greatly water signal, the centre is unwrapped and is watered signal and strand cutting settling signal; When casting status tracking unit inspection open to casting machine water signal parameter after, the parameter information of inputting in quality event tracking unit record data acquisition unit.
By technique scheme, in step 4, utilize the parameter comparing unit to roll off the production line or the historical casting of inquiry strand data in the operation of rolling at strand.
The on-line control system of continuous casting billet defective effect parameter is characterized in that: mainly comprise:
Data acquisition unit: being used for input affects the continuous casting parameter of parameter correlation with casting blank defect, and defines each continuous casting parameter attribute;
Producting rule setup unit: be used for according to steel grade and casting blank section, continuous casting parameter objectives value and excursion being set;
Casting information trace unit: be used for casting status tracking and quality event tracking, the steel grade of each heat of real time record, section and scale, and casting blank defect is affected the continuous casting supplemental characteristic storage of parameter correlation; Comprise casting status tracking unit and quality event tracking unit;
Parameter comparing unit: be used for the parameters of technique process value of this heat and this steel grade of producting rule setup unit setting and the relevant parameter under section are contrasted in real time, warn in order in time adjust the Processes and apparatus parameter of current strand if do not send in the producting rule setup unit is set claimed range.
By technique scheme, described continuous casting parameter is divided into event mode parameter and automatic recordable type parameter by the metallurgical mechanism analysis of continuous casting and solidifying process and the statistical analysis of a large amount of continuous casting production event datas are found out; The event mode parameter is the quality event of manual activation input, and the recordable type parameter obtains by the casting process parameter values being carried out periodicity collection automatically, and parameter derives from first class control system and secondary is controlled software data, or hand input-data; Described event mode parameter comprises that the mouth of a river breaks, opens wide cast, stops watering the behavior event, and described automatic recordable type parameter comprises casting rate, mould liquid level, Metal in Tundish liquid level; Described continuous casting parameter comprises following attribute: parameter numbering, parameter name, unit, source, data type, grab type, coefficient.
By technique scheme, in the producting rule setup unit, continuous casting parameter objectives value and excursion arrange according to steel grade and casting blank section, according to the metallurgical mechanism analysis of continuous casting and solidifying process and the statistical analysis of a large amount of continuous casting production event datas are determined.
By technique scheme, described casting machine open water signal parameter comprise unwrap greatly water signal, the centre is unwrapped and is watered signal and strand cutting settling signal; When casting status tracking unit inspection open to casting machine water signal parameter after, the parameter information of inputting in quality event tracking unit record data acquisition unit.
By technique scheme, described parameter comparing unit also is used for rolling off the production line or inquiring about the historical casting of strand data in the operation of rolling at strand.
The invention has the advantages that:
What the present invention detected online by the casting information trace that data collecting system provides affects the continuous casting parameter of parameter correlation with certain specified defect of slab quality, with current parameters of technique process record and by the parameter comparing unit, parameter values and set desired value and the zone of reasonableness of producting rule setup unit are compared, the ruuning situation that is used for the Real-Time Monitoring casting machine, can cause that the defective effect parameter of mass defect judges accurately to existence, in time take measures, adjusting process and device parameter reduce the defective incidence.Also can inquire about historical events simultaneously, for the analysis ratiocination of casting blank defect from different factor corresponding relations, for operating personnel's Improving The Quality of Products provides effective support.
The specific embodiment
According to the on-line control system of continuous casting billet defective effect parameter of the invention process, mainly comprise with lower unit:
Data acquisition unit: be used for the input continuous casting parameter relevant to the slab quality defective, and the relevant parameter attribute of definition.Described continuous casting parameter comprises following attribute: parameter numbering, parameter name, unit, source, data type, grab type, coefficient.
Producting rule setup unit: be used for arranging continuous casting parameter objectives value and the reasonable interval relevant to the slab quality defective.Described continuous casting parameter objectives value and reasonable interval arrange according to steel grade and casting blank section, according to the metallurgical mechanism analysis of continuous casting and solidifying process and the statistical analysis of a large amount of continuous casting production event datas are determined.
Casting information trace unit: comprise casting status tracking and quality event tracking, casting status tracking unit is responsible for reading unwrapping greatly and is watered, and the centre is unwrapped to water and waited process signal and strand to cut settling signal.The parameter information of inputting in quality event tracking unit record data acquisition unit.
Parameter comparing unit: in real time the value of departing from objectives in data acquisition unit or the parameter and the measured value thereof that exceed reasonable interval are reported to the operator, be convenient in time take corresponding measure; Can inquire about simultaneously the history casting data of strand, be used for analyzing anomalous mass event characteristics and the origin cause of formation, for the casting blank defect diagnosis provides reference.
The described continuous casting parameter relevant to the slab quality defective of data acquisition unit is by obtaining the metallurgical mechanism analysis of continuous casting and solidifying process and the statistical analysis of a large amount of continuous casting production event datas, operating parameter can be divided into event mode parameter and automatic recordable type parameter, the event mode parameter is the quality event of manual activation input, automatically the recordable type parameter obtains by the casting process parameter values being carried out periodicity collection, parameter can derive from first class control system and secondary is controlled software data, and the input of one-level button and second computer hand input-data.
The described parameter objectives value of producting rule setup unit and reasonable interval arrange according to steel grade and casting blank section, and foundation is to the metallurgical mechanism analysis of continuous casting and solidifying process and the statistical analysis of a large amount of continuous casting production event datas.Set the accident that occurs in (as excessive or too small in casting rate, mould liquid level fluctuation, Metal in Tundish liquid level transfinite etc.) or operating process (break, open wide cast, stop watering etc. as the mouth of a river) when these parameters exceed rules and will produce adverse consequences, various abnormal defectives appear.
Casting information trace unit is characterized in that: the steel grade of each heat of real time record, section and scale, and the continuous casting supplemental characteristic that the slab quality defective is relevant storage.
The parameter comparing unit can compare the parameters of technique process numerical value of this heat and set this steel grade of producting rule setup unit and the parameter under section, if not in the scope of meeting the requirements, in time report to the operator, in time adjust the Processes and apparatus parameter of current strand, reduce the defective incidence.Strand rolls off the production line or detects in the operation of rolling and some mass defect occurs, but the abnormal conditions under query note, for the analysis ratiocination of casting blank defect from different factor corresponding relations, and then Optimizing Process Parameters, promote slab quality.
On-Line Control Method according to continuous casting billet defective effect parameter of the invention process comprises following steps:
Step 1, by the metallurgical mechanism analysis of continuous casting and solidifying process is found out the continuous casting parameter relevant to the slab quality defective with the statistical analysis of a large amount of continuous casting production event datas, input data acquisition unit, and the definition parameter attribute of being correlated with.Described continuous casting parameter comprises following attribute: parameter numbering, parameter name, unit, source, data type, grab type, coefficient.
Step 2, utilize the producting rule setup unit that continuous casting parameter objectives value and the rational change range relevant to the slab quality defective are set, described continuous casting parameter objectives value and rational change range arrange according to steel grade and casting blank section, according to the metallurgical mechanism analysis of continuous casting and solidifying process and the statistical analysis of a large amount of continuous casting production event datas are determined.
Step 3, when the casting status tracking detect casting machine open water signal after, the continuous casting parameter values relevant to the slab quality defective can be passed through quality event tracking unit record on current strand.
Step 4, the parameters of technique process numerical value of this heat and set this steel grade of producting rule setup unit and the parameter under section can be compared by the parameter comparing unit, and will be not in the scope of meeting the requirements, in time warn to report to the operator, and in time make adjustment.
Claims (10)
1. the On-Line Control Method of continuous casting billet defective effect parameter is characterized in that comprising following steps:
Step 1, input affects the continuous casting parameter of parameter correlation with casting blank defect in data acquisition unit, and defines each parameter attribute;
Step 2, utilize the producting rule setup unit, and according to steel grade and casting blank section, continuous casting parameter objectives value and excursion are set;
Step 3, utilize the casting information trace unit include casting status tracking unit and quality event tracking unit cast status tracking and quality event tracking: the steel grade of each heat of real time record, section and scale, and casting blank defect is affected the continuous casting supplemental characteristic storage of parameter correlation;
Step 4, utilize the parameter comparing unit that the parameters of technique process value of this heat and this steel grade of producting rule setup unit setting and the relevant parameter under section are contrasted in real time, if do not send caution in order in time adjust the Processes and apparatus parameter of current strand in the producting rule setup unit is set claimed range.
2. the On-Line Control Method of continuous casting billet defective effect parameter according to claim 1, it is characterized in that: the continuous casting parameter of step 1 is divided into event mode parameter and automatic recordable type parameter by the metallurgical mechanism analysis of continuous casting and solidifying process and the statistical analysis of a large amount of continuous casting production event datas are found out; The event mode parameter is the quality event of manual activation input, and the recordable type parameter obtains by the casting process parameter values being carried out periodicity collection automatically, and parameter derives from first class control system and secondary is controlled software data, or hand input-data; Described event mode parameter comprises that the mouth of a river breaks, opens wide cast, stops watering the behavior event, and described automatic recordable type parameter comprises casting rate, mould liquid level, Metal in Tundish liquid level; Described continuous casting parameter comprises following attribute: parameter numbering, parameter name, unit, source, data type, grab type, coefficient.
3. the On-Line Control Method of continuous casting billet defective effect parameter according to claim 1, it is characterized in that: in step 2, described continuous casting parameter objectives value and excursion arrange according to steel grade and casting blank section, according to the metallurgical mechanism analysis of continuous casting and solidifying process and the statistical analysis of a large amount of continuous casting production event datas are determined.
4. the On-Line Control Method of one of according to claim 1-3 described continuous casting billet defective effect parameters is characterized in that: in step 3, described casting machine open water signal parameter comprise unwrap greatly water signal, the centre is unwrapped and is watered signal and strand cutting settling signal; When casting status tracking unit inspection open to casting machine water signal parameter after, the parameter information of inputting in quality event tracking unit record data acquisition unit.
5. the On-Line Control Method of continuous casting billet defective effect parameter according to claim 4, is characterized in that: in step 4, utilize the parameter comparing unit to roll off the production line or the historical casting of inquiry strand data in the operation of rolling at strand.
6. the on-line control system of continuous casting billet defective effect parameter is characterized in that: mainly comprise:
Data acquisition unit: being used for input affects the continuous casting parameter of parameter correlation with casting blank defect, and defines each continuous casting parameter attribute;
Producting rule setup unit: be used for according to steel grade and casting blank section, continuous casting parameter objectives value and excursion being set;
Casting information trace unit: be used for casting status tracking and quality event tracking, the steel grade of each heat of real time record, section and scale, and casting blank defect is affected the continuous casting supplemental characteristic storage of parameter correlation; Comprise casting status tracking unit and quality event tracking unit;
Parameter comparing unit: be used for the parameters of technique process value of this heat and this steel grade of producting rule setup unit setting and the relevant parameter under section are contrasted in real time, warn in order in time adjust the Processes and apparatus parameter of current strand if do not send in the producting rule setup unit is set claimed range.
7. the on-line control system of continuous casting billet defective effect parameter according to claim 6, it is characterized in that: described continuous casting parameter is divided into event mode parameter and automatic recordable type parameter by the metallurgical mechanism analysis of continuous casting and solidifying process and the statistical analysis of a large amount of continuous casting production event datas are found out; The event mode parameter is the quality event of manual activation input, and the recordable type parameter obtains by the casting process parameter values being carried out periodicity collection automatically, and parameter derives from first class control system and secondary is controlled software data, or hand input-data; Described event mode parameter comprises that the mouth of a river breaks, opens wide cast, stops watering the behavior event, and described automatic recordable type parameter comprises casting rate, mould liquid level, Metal in Tundish liquid level; Described continuous casting parameter comprises following attribute: parameter numbering, parameter name, unit, source, data type, grab type, coefficient.
8. the on-line control system of continuous casting billet defective effect parameter according to claim 6, it is characterized in that: in the producting rule setup unit, continuous casting parameter objectives value and excursion arrange according to steel grade and casting blank section, according to the metallurgical mechanism analysis of continuous casting and solidifying process and the statistical analysis of a large amount of continuous casting production event datas are determined.
9. the on-line control system of one of according to claim 6-8 described continuous casting billet defective effect parameters is characterized in that: described casting machine open water signal parameter comprise unwrap greatly water signal, the centre is unwrapped and is watered signal and strand cutting settling signal; When casting status tracking unit inspection open to casting machine water signal parameter after, the parameter information of inputting in quality event tracking unit record data acquisition unit.
10. the on-line control system of continuous casting billet defective effect parameter according to claim 9 is characterized in that: described parameter comparing unit also is used for rolling off the production line or in the historical casting of operation of rolling inquiry strand data at strand.
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| CN104249138A (en) * | 2013-06-26 | 2014-12-31 | 宝山钢铁股份有限公司 | Argon blowing automatic control method of continuous casting crystallizer |
| CN105618700A (en) * | 2014-11-27 | 2016-06-01 | 上海梅山钢铁股份有限公司 | Method for accurately positioning continuously cast blank outlier caused by gate replacement |
| CN105817615A (en) * | 2016-04-08 | 2016-08-03 | 广东韶钢松山股份有限公司 | Submerged nozzle through crack detection device and detection method thereof |
| CN106077555A (en) * | 2016-08-12 | 2016-11-09 | 湖南千盟物联信息技术有限公司 | A kind of continuous casting coordinating and optimizing control method |
| CN106845825A (en) * | 2017-01-18 | 2017-06-13 | 西安交通大学 | It is a kind of to be traced to the source and control method based on the cold rolling of strip steel quality problems for improving PCA |
| CN108067599A (en) * | 2016-11-15 | 2018-05-25 | 上海宝信软件股份有限公司 | Slab quality analysis method based on steel-making continuous casting overall process data |
| CN108607968A (en) * | 2016-12-12 | 2018-10-02 | 上海梅山钢铁股份有限公司 | A kind of forecasting procedure of the continuous casting tundish slag based on Lower proterozoic group |
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| CN112099353A (en) * | 2020-09-09 | 2020-12-18 | 浙江大学 | Divergence constraint kernel discriminant analysis-based continuous casting billet subsurface slag inclusion defect prediction method |
| CN113245378A (en) * | 2021-01-04 | 2021-08-13 | 河钢股份有限公司承德分公司 | Rolling monitoring method and device for continuous casting billet and terminal equipment |
| CN114766023A (en) * | 2020-10-30 | 2022-07-19 | 京东方科技集团股份有限公司 | Data processing method, device and system and electronic equipment |
| CN115229149A (en) * | 2022-06-24 | 2022-10-25 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for determining blank shell/liquid core thickness and solidification end point of continuous casting blank based on liquid level fluctuation of crystallizer in pressing process |
| CN115555531A (en) * | 2022-12-02 | 2023-01-03 | 北京科技大学 | Gas cooling device and process for square billet continuous casting secondary cooling area |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4556099A (en) * | 1981-01-08 | 1985-12-03 | Nippon Steel Corporation | Abnormality detection and type discrimination in continuous casting operations |
| CN102029367A (en) * | 2010-12-31 | 2011-04-27 | 中冶连铸技术工程股份有限公司 | Quality event trigger determining method and device for continuous casting machine |
| CN102319883A (en) * | 2011-10-09 | 2012-01-18 | 北京首钢自动化信息技术有限公司 | Method for controlling on-line prediction of continuous casting blank quality |
| CN102699300A (en) * | 2012-05-22 | 2012-10-03 | 中冶连铸技术工程股份有限公司 | Method and system for controlling continuous casting technique by using computer |
-
2013
- 2013-01-15 CN CN2013100136219A patent/CN103100678A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4556099A (en) * | 1981-01-08 | 1985-12-03 | Nippon Steel Corporation | Abnormality detection and type discrimination in continuous casting operations |
| CN102029367A (en) * | 2010-12-31 | 2011-04-27 | 中冶连铸技术工程股份有限公司 | Quality event trigger determining method and device for continuous casting machine |
| CN102319883A (en) * | 2011-10-09 | 2012-01-18 | 北京首钢自动化信息技术有限公司 | Method for controlling on-line prediction of continuous casting blank quality |
| CN102699300A (en) * | 2012-05-22 | 2012-10-03 | 中冶连铸技术工程股份有限公司 | Method and system for controlling continuous casting technique by using computer |
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|---|---|---|---|---|
| CN104249138B (en) * | 2013-06-26 | 2016-01-20 | 宝山钢铁股份有限公司 | A kind of continuous cast mold Argon autocontrol method |
| CN104249138A (en) * | 2013-06-26 | 2014-12-31 | 宝山钢铁股份有限公司 | Argon blowing automatic control method of continuous casting crystallizer |
| CN105618700A (en) * | 2014-11-27 | 2016-06-01 | 上海梅山钢铁股份有限公司 | Method for accurately positioning continuously cast blank outlier caused by gate replacement |
| CN105618700B (en) * | 2014-11-27 | 2018-03-06 | 上海梅山钢铁股份有限公司 | The method of the abnormity point caused by changing the mouth of a river is accurately positioned on continuous casting billet |
| CN105817615A (en) * | 2016-04-08 | 2016-08-03 | 广东韶钢松山股份有限公司 | Submerged nozzle through crack detection device and detection method thereof |
| CN106077555A (en) * | 2016-08-12 | 2016-11-09 | 湖南千盟物联信息技术有限公司 | A kind of continuous casting coordinating and optimizing control method |
| CN108067599B (en) * | 2016-11-15 | 2019-09-17 | 上海宝信软件股份有限公司 | Slab quality analysis method based on steel-making continuous casting overall process data |
| CN108067599A (en) * | 2016-11-15 | 2018-05-25 | 上海宝信软件股份有限公司 | Slab quality analysis method based on steel-making continuous casting overall process data |
| CN108607968A (en) * | 2016-12-12 | 2018-10-02 | 上海梅山钢铁股份有限公司 | A kind of forecasting procedure of the continuous casting tundish slag based on Lower proterozoic group |
| CN106845825B (en) * | 2017-01-18 | 2020-04-28 | 西安交通大学 | Strip steel cold rolling quality problem tracing and control method based on improved PCA |
| CN106845825A (en) * | 2017-01-18 | 2017-06-13 | 西安交通大学 | It is a kind of to be traced to the source and control method based on the cold rolling of strip steel quality problems for improving PCA |
| CN111967626A (en) * | 2020-08-29 | 2020-11-20 | 广东伟达智能装备股份有限公司 | Automatic quality inspection method |
| CN112099353A (en) * | 2020-09-09 | 2020-12-18 | 浙江大学 | Divergence constraint kernel discriminant analysis-based continuous casting billet subsurface slag inclusion defect prediction method |
| CN112099353B (en) * | 2020-09-09 | 2021-12-28 | 浙江大学 | Divergence constraint kernel discriminant analysis-based continuous casting billet subsurface slag inclusion defect prediction method |
| CN114766023A (en) * | 2020-10-30 | 2022-07-19 | 京东方科技集团股份有限公司 | Data processing method, device and system and electronic equipment |
| CN113245378A (en) * | 2021-01-04 | 2021-08-13 | 河钢股份有限公司承德分公司 | Rolling monitoring method and device for continuous casting billet and terminal equipment |
| CN115229149A (en) * | 2022-06-24 | 2022-10-25 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for determining blank shell/liquid core thickness and solidification end point of continuous casting blank based on liquid level fluctuation of crystallizer in pressing process |
| CN115229149B (en) * | 2022-06-24 | 2024-03-01 | 攀钢集团攀枝花钢铁研究院有限公司 | Continuous casting billet shell/liquid core thickness and solidification end point determining method based on crystallizer liquid level fluctuation in pressing process |
| CN115555531A (en) * | 2022-12-02 | 2023-01-03 | 北京科技大学 | Gas cooling device and process for square billet continuous casting secondary cooling area |
| CN115555531B (en) * | 2022-12-02 | 2023-03-07 | 北京科技大学 | Gas cooling device and process for square billet continuous casting secondary cooling area |
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Application publication date: 20130515 |