CN114518732A - Furnace control system of DCS submerged arc furnace - Google Patents
Furnace control system of DCS submerged arc furnace Download PDFInfo
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- 238000004364 calculation method Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 17
- 238000004088 simulation Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 230000005856 abnormality Effects 0.000 claims description 3
- 238000012512 characterization method Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 description 3
- 230000009191 jumping Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000005997 Calcium carbide Substances 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- 229910000616 Ferromanganese Inorganic materials 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- 229910001145 Ferrotungsten Inorganic materials 0.000 description 1
- 229910000720 Silicomanganese Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/33—Director till display
- G05B2219/33273—DCS distributed, decentralised controlsystem, multiprocessor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention relates to the technical field of control systems and discloses a DCS submerged arc furnace control system; the DCS submerged arc furnace control system comprises a central control system, wherein the central control system is used for carrying out transmission management, encryption management and storage management on all data in the DCS submerged arc furnace control system, and all data comprise detection parameter data and calculation operation data.
Description
Technical Field
The invention belongs to the technical field of control systems, and particularly relates to a DCS submerged arc furnace control system.
Background
The submerged arc furnace is also called electric arc furnace or resistance furnace. It is mainly used for reducing smelting ore, carbonaceous reducing agent and solvent. The method is mainly used for producing ferrosilicon, ferromanganese, ferrochromium, ferrotungsten, silicomanganese and other ferroalloys, and is an important industrial raw material in the metallurgical industry and a chemical raw material such as calcium carbide and the like. The transformer of the submerged arc furnace has continuous and stable load, low impedance voltage, more voltage regulation stages, smaller stage difference and strong overload capacity. Can be divided into two types of loaded voltage regulation and non-excited voltage regulation. The constant-capacity output of the first stages and the constant-current output of the last stages are common.
The control of the submerged arc furnace is generally parameter control and furnace temperature control, while the existing control method of the furnace temperature of the submerged arc furnace generally changes the temperature by adjusting the operation parameters of the submerged arc furnace, so that firstly, the operation of the submerged arc furnace is unstable due to the parameter adjustment, and secondly, the waste of heat energy is possibly caused; therefore, improvements are now needed in view of the current situation.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the invention provides a DCS submerged arc furnace control system, which effectively solves the problems that parameter control and furnace temperature control are generally performed during furnace control of a submerged arc furnace, and the temperature is generally changed by adjusting the operating parameters of the submerged arc furnace in the conventional submerged arc furnace control method.
In order to achieve the purpose, the invention provides the following technical scheme: the DCS submerged arc furnace control system comprises a central control system, wherein the central control system is used for carrying out transmission management, encryption management and storage management on all data in the DCS submerged arc furnace control system, and the all data comprise detection parameter data and calculation operation data;
the parameter monitoring system comprises: the parameter monitoring system is used for monitoring main parameter data in the submerged arc furnace in real time, the main parameters comprise electrical parameters and temperature parameters, the electrical parameters specifically comprise current parameters, voltage parameters, power factor parameters, current density parameters and electrode lifting speed parameters, and the temperature parameters mainly comprise furnace temperature parameters in the submerged arc furnace;
data comparison system: the data comparison system is used for arranging and summarizing all data monitored by the parameter monitoring system and comparing the data with the electrical parameters and the temperature parameters of the corresponding submerged arc furnace in the past normal operation so as to obtain whether the electrical parameters and the temperature parameters of the corresponding submerged arc furnace in the operation are abnormal or not;
simulation recognition system: the simulation recognition system is used for sorting and summarizing all data monitored by the parameter monitoring system, and inputting the data into the operation prediction model for operation prediction, so that a predicted operation result of the corresponding submerged arc furnace in a period of time is obtained;
the intelligent control system comprises: the intelligent control system is used for correspondingly adjusting the electrical parameters of the corresponding submerged arc furnace according to the predicted operation result data obtained after the simulation of the simulation identification system, and when the temperature parameters are adjusted, the intelligent control system is used for performing temperature borrowing from the submerged arc furnace which is connected in parallel and has opposite requirements according to the temperature rising or cooling requirements of the corresponding submerged arc furnace;
and a result feedback system: the result feedback system is used for detecting the electric parameters and the temperature parameters in the submerged arc furnace which are controlled by the intelligent control system again, comparing the detected data with the data before the intelligent control, obtaining the feedback of the control result and generating a feedback report and a feedback log;
the central control coding system comprises: the central control coding system is used for providing use guidance and coding guidance for a user, and displaying and storing coded data of the user;
a data display system: the data display system is used for displaying all data of the type operation of the furnace control system of the DCS submerged arc furnace;
an abnormality warning system: and the abnormity alarm system is used for judging whether to send out alarm information according to a data comparison result obtained by the data comparison system.
Preferably, the submerged arc furnaces are arranged in parallel, and the heat conducting device is arranged between the submerged arc furnaces.
Preferably, the specific carrier for monitoring the current parameter, the voltage parameter, the power factor parameter, the current density parameter and the electrode lifting speed parameter is a current sensor, a voltage sensor, a power factor sensor, a current density sensor and an electrode sensor, and the specific carrier for monitoring the temperature parameter in the furnace is a temperature sensor.
Preferably, the modeling process of the operation prediction model specifically includes: the method comprises the steps of firstly carrying out characterization processing on past data in normal operation of a corresponding submerged arc furnace, then putting the characterized data into a learning model for data learning to obtain an operation prediction model, and finally randomly extracting a group of past data and putting the past data into the operation prediction model for model verification to complete the establishment of the operation prediction model.
Preferably, the specific carrier of the data display system is one or a combination of a plurality of liquid crystal display screens, CRT displays, LCD displays, LED displays, 3D displays or plasma displays.
Preferably, the specific carrier of the abnormity warning system is one or a combination of more than one of an LED string light, a buzzer, a vibration alarm, an audible and visual alarm or a display alarm.
Preferably, the DCS submerged arc furnace control system is required to be in a network range during operation, and the network range comprises a wired network and a wireless network.
Compared with the prior art, the invention has the beneficial effects that: 1. according to the method, the submerged arc furnace with the temperature rise requirement is communicated with the submerged arc furnace with the temperature reduction requirement, and the heat in the submerged arc furnace with the temperature reduction requirement is transferred into the submerged arc furnace with the temperature rise requirement through the connected heat conduction device, so that the temperature control of the submerged arc furnace is completed;
2. according to the method, data are sent to a simulation recognition system, a prediction operation result of the corresponding submerged arc furnace in a period of time is obtained by performing prediction calculation on the data through an operation prediction model, and the operation parameters can be adjusted in advance through prediction on the operation parameters, so that the abnormity in operation can be avoided in advance, the damage result of the submerged arc furnace caused by untimely parameter adjustment is avoided, the economic loss is reduced, and the service life of the submerged arc furnace is prolonged;
3. the invention carries out the integral furnace control of the submerged arc furnace through the DCS connected in series, thereby leading the management mode to be more simplified and unified, being easier to use when carrying out the programming control and being suitable for different managers.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a block diagram of the system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1, the present invention provides a technical solution: a DCS submerged arc furnace control system comprises a central control system, wherein the central control system is used for carrying out transmission management, encryption management and storage management on all data in the DCS submerged arc furnace control system, and the all data comprise detection parameter data and calculation operation data;
the parameter monitoring system comprises: the parameter monitoring system is used for monitoring main parameter data in the submerged arc furnace in real time, the main parameters comprise electrical parameters and temperature parameters, the electrical parameters specifically comprise current parameters, voltage parameters, power factor parameters, current density parameters and electrode lifting speed parameters, and the temperature parameters mainly comprise furnace temperature parameters in the submerged arc furnace;
data comparison system: the data comparison system is used for collating and summarizing all data monitored by the parameter monitoring system and comparing the data with the electrical parameters and the temperature parameters of the corresponding submerged arc furnace during the past normal operation so as to obtain whether the electrical parameters and the temperature parameters of the corresponding submerged arc furnace are abnormal during the operation;
simulation recognition system: the simulation recognition system is used for sorting and summarizing all data monitored by the parameter monitoring system, and inputting the data into the operation prediction model for operation prediction, so that a predicted operation result of the corresponding submerged arc furnace in a period of time is obtained;
the intelligent control system comprises: the intelligent control system is used for correspondingly adjusting the electrical parameters of the corresponding submerged arc furnace according to the predicted operation result data obtained after the simulation of the simulation identification system, and when the temperature parameters are adjusted, the temperature is borrowed and adjusted from the submerged arc furnace which is connected in parallel and has opposite requirements according to the temperature rising or cooling requirements of the corresponding submerged arc furnace;
and a result feedback system: the result feedback system is used for detecting the electric parameters and the temperature parameters in the submerged arc furnace which are controlled by the intelligent control system again, comparing the detected data with the data before the intelligent control, obtaining the feedback of the control result and generating a feedback report and a feedback log;
the central control coding system comprises: the central control coding system is used for providing use guidance and coding guidance for a user, and displaying and storing coded data of the user;
a data display system: the data display system is used for displaying all data of the species operation of the furnace control system of the DCS submerged arc furnace;
an abnormality warning system: and the abnormity alarm system is used for judging whether to send out alarm information according to a data comparison result obtained by the data comparison system.
Wherein, the submerged arc furnaces are arranged in parallel, and a heat conducting device is arranged between the submerged arc furnaces; the monitoring specific carriers of the current parameter, the voltage parameter, the power factor parameter, the current density parameter and the electrode lifting speed parameter are a current sensor, a voltage sensor, a power factor sensor, a current density sensor and an electrode sensor, and the monitoring specific carrier of the temperature parameter in the furnace is a temperature sensor; the modeling process of the operation prediction model specifically comprises the following steps: carrying out characterization processing on past data in normal operation in a corresponding submerged arc furnace for the first time, then putting the characterized data into a learning model for data learning to obtain an operation prediction model, and finally randomly extracting a group of past data and putting the past data into the operation prediction model for model verification to complete the establishment of the operation prediction model; the specific carrier of the data display system is one or a combination of a plurality of liquid crystal display screens, CRT displays, LCD displays, LED displays, 3D displays or plasma displays; one or a combination of more of a specific carrier LED string light, a buzzer, a vibration alarm, an audible and visual alarm or a display alarm of the abnormity alarm system; the DCS submerged arc furnace control system is required to be in a network range during operation, and the network range comprises a wired network and a wireless network.
Arranging a heat conduction device between each submerged arc furnace, monitoring current parameters, voltage parameters, power factor parameters, current density parameters, electrode lifting speed parameters and furnace temperature parameters in each submerged arc furnace in real time through a current sensor, a voltage sensor, a power factor sensor, a current density sensor, an electrode sensor and a temperature sensor, sending the monitored data to a data comparison system, arranging and summarizing the obtained data by the data comparison system, comparing the data with corresponding parameters of the conventional submerged arc furnace in normal operation, displaying abnormal operation if the parameter difference value exceeds the maximum jumping range of normal operation values, sending an alarm through an abnormal alarm system, manually setting the maximum jumping range data, and sending the data to a simulation identification system if the submerged arc furnace is in normal operation, the operation prediction model carries out prediction calculation on the data to obtain a predicted operation result of the corresponding submerged arc furnace within a period of time, the operation parameters can be adjusted in advance through prediction of the operation parameters, so that the abnormity in operation can be avoided in advance, the damage result of the submerged arc furnace caused by untimely parameter adjustment is avoided, the economic loss is reduced, the service life of the submerged arc furnace is prolonged, according to the result, the intelligent control system intelligently adjusts the electrical parameters of the corresponding submerged arc furnace, when the temperature parameters are adjusted, the operation is carried out through a temperature difference intermodulation method, namely the submerged arc furnace with a temperature rise requirement is communicated with the submerged arc furnace with a temperature drop requirement, the heat in the submerged arc furnace with the temperature drop requirement is transferred to the submerged arc furnace with the temperature rise requirement through a connected heat conduction device, so as to complete the temperature control of the submerged arc furnace, and the method carries out the temperature control in a heat intermodulation mode, the submerged arc furnace is not required to be operated by adjusting operation parameters, so that the change of the operation parameters can be reduced, the operation of the submerged arc furnace is more stable, the waste of energy can be reduced, after the control adjustment is finished, the electric parameters and the temperature parameters in the submerged arc furnace which are controlled by the intelligent control system are detected again through the result feedback system, the detected data are compared with the data which are not controlled intelligently to obtain the feedback of a control result, a feedback report and a feedback log are generated, the coding control can be carried out through the central control coding system in the whole control process, the display of management data is carried out through the data display system, the whole furnace control of the submerged arc furnace is carried out through the DCS system which is connected in series, the management mode is simpler and more unified, and the operation is easier to be achieved during the programming control, is suitable for different managers.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a hot stove furnace control system in DCS ore deposit which characterized in that: the system comprises a central control system, a data processing system and a data processing system, wherein the central control system is used for carrying out transmission management, encryption management and storage management on all data in a DCS (distributed control system) submerged arc furnace control system, and all data comprise detection parameter data and calculation operation data;
the parameter monitoring system comprises: the parameter monitoring system is used for monitoring main parameter data in the submerged arc furnace in real time, the main parameters comprise electrical parameters and temperature parameters, the electrical parameters specifically comprise current parameters, voltage parameters, power factor parameters, current density parameters and electrode lifting speed parameters, and the temperature parameters mainly comprise furnace temperature parameters in the submerged arc furnace;
data comparison system: the data comparison system is used for arranging and summarizing all data monitored by the parameter monitoring system and comparing the data with the electrical parameters and the temperature parameters of the corresponding submerged arc furnace in the past normal operation so as to obtain whether the electrical parameters and the temperature parameters of the corresponding submerged arc furnace in the operation are abnormal or not;
simulation recognition system: the simulation recognition system is used for sorting and summarizing all data monitored by the parameter monitoring system, and inputting the data into the operation prediction model for operation prediction, so that a predicted operation result of the corresponding submerged arc furnace in a period of time is obtained;
the intelligent control system comprises: the intelligent control system is used for correspondingly adjusting the electrical parameters of the corresponding submerged arc furnace according to the predicted operation result data obtained after the simulation of the simulation identification system, and when the temperature parameters are adjusted, the intelligent control system is used for performing temperature borrowing from the submerged arc furnace which is connected in parallel and has opposite requirements according to the temperature rising or cooling requirements of the corresponding submerged arc furnace;
and a result feedback system: the result feedback system is used for detecting the electric parameters and the temperature parameters in the submerged arc furnace which are controlled by the intelligent control system again, comparing the detected data with the data before the intelligent control, obtaining the feedback of the control result and generating a feedback report and a feedback log;
the central control coding system comprises: the central control coding system is used for providing use guidance and coding guidance for a user, and displaying and storing coded data of the user;
a data display system: the data display system is used for displaying all data of the type operation of the furnace control system of the DCS submerged arc furnace;
an abnormality warning system: and the abnormity alarm system is used for judging whether to send out alarm information according to a data comparison result obtained by the data comparison system.
2. The DCS submerged arc furnace control system according to claim 1, characterized in that: the submerged arc furnaces are arranged in parallel, and the heat conducting device is arranged between the submerged arc furnaces.
3. The DCS submerged arc furnace control system according to claim 1, characterized in that: the monitoring specific carrier of the current parameter, the voltage parameter, the power factor parameter, the current density parameter and the electrode lifting speed parameter is a current sensor, a voltage sensor, a power factor sensor, a current density sensor and an electrode sensor, and the monitoring specific carrier of the temperature parameter in the furnace is a temperature sensor.
4. The DCS submerged arc furnace control system according to claim 1, characterized in that: the modeling process of the operation prediction model specifically comprises the following steps: the method comprises the steps of firstly carrying out characterization processing on past data in normal operation of a corresponding submerged arc furnace, then putting the characterized data into a learning model for data learning to obtain an operation prediction model, and finally randomly extracting a group of past data and putting the past data into the operation prediction model for model verification to complete the establishment of the operation prediction model.
5. The DCS submerged arc furnace control system according to claim 1, characterized in that: the specific carrier of the data display system is one or a combination of a plurality of liquid crystal display screens, CRT displays, LCD displays, LED displays, 3D displays or plasma displays.
6. The DCS submerged arc furnace control system according to claim 1, characterized in that: the specific carrier of the abnormity alarm system is one or a combination of more than one of an LED string light, a buzzer, a vibration alarm, an audible and visual alarm or a display alarm.
7. The DCS submerged arc furnace control system according to claim 1, characterized in that: the DCS submerged arc furnace control system is required to be in a network range during operation, and the network range comprises a wired network and a wireless network.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116379793A (en) * | 2023-06-02 | 2023-07-04 | 青岛智控菲特软件科技有限公司 | Submerged arc furnace short-net regulation and control data processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116379793A (en) * | 2023-06-02 | 2023-07-04 | 青岛智控菲特软件科技有限公司 | Submerged arc furnace short-net regulation and control data processing method |
| CN116379793B (en) * | 2023-06-02 | 2023-08-15 | 青岛智控菲特软件科技有限公司 | Submerged arc furnace short-net regulation and control data processing method |
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