CN102004815A - Method for optimizing 'hot metal can of system' interface mode in blast furnace-converter section in steel enterprise - Google Patents
Method for optimizing 'hot metal can of system' interface mode in blast furnace-converter section in steel enterprise Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 38
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- 239000002184 metal Substances 0.000 title claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 29
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- 238000005094 computer simulation Methods 0.000 claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 140
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- 238000004904 shortening Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 14
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Abstract
The invention discloses a method for optimizing a 'hot metal can of the system' interface mode in a blast furnace-converter section in a steel enterprise. Based on computer simulation software, the novel method can be used for tracking at real time, monitoring and diagnosing the production process of the 'hot metal can of the system'interface mode in the blast furnace-converter section on line, and judging the problems occurring in the production process of the blast furnace-converter section through comparing operation results and actual production data; on one hand, the method can be used for effectively shortening the waiting time before transforming to the converter and lowering the loss, and on the other hand, the method can be used for lowering the temperature of the whole production process, and improving the temperature when transforming to the converter finally, thus achieving the purposes of improving the efficiency of production process, saving the energy and lowering the consumption. The method of the invention is mainly applied to a metallurgy process technique and a computer simulation analogue technique, and can be applied to analyzing and studying work of the similar problems in a system with the 'hot metal can of the system' interface mode in an actual blast furnace-converter section.
Description
Technical field
The present invention relates to metallurgical technology technology and computer simulation technology.Belong to the metallurgical technology technical field, specifically a kind of optimization method to iron and steel enterprise's blast furnace-converter sector " a jar on earth " interface model.Be specially adapted to smelt iron and make steel the optimization of optimal design and total figure layout of interface technology.
Background technology
Blast furnace-converter sector " one jar on earth " interface model, it is a kind of new technology that engineering optimization is realized at the metallurgical process interface, it is meant that carrying out midway tank switching at the traditional torpedo tank car of blast furnace-converter sector cancellation or hot-metal bottle converts iron, be subjected to iron flask that molten iron is blended into converter but directly adopt, be subjected to iron flask to realize accepting, transport, cushion that storage, Molten Iron Pretreatment, converter convert that iron, container have enough to meet the need fast and the process layout of multiple function such as hot-metal insulating in this process.Adopt " one jar on earth " technology, this process molten iron that the primary air process that cools only takes place, and do not have ladle-to-ladle inclusion absorbing and cooling temperature, not only the molten iron temperature loss reduces, and carrying capacity of environment also reduces greatly.This technology has characteristics such as shortened process, compact total figure layout, can reduce investment, minimizing floor area, energy-saving and emission-reduction, minimizing iron loss, reduces smoke contamination, have than large economy and social benefit." one jar on earth " technology begins to appear at Japanese JFE Fushan, Jing Binchang, in large-scale iron and steel enterprises such as the husky steel of China, Laigang, Tang Gang employing is arranged all in recent years.
The technology interface of blast furnace-converter sector is the important section that connects ironmaking and steel-making two big operations in the steel manufacture process, has played the effect of forming a connecting link, and also is the critical section that is related to the Steel Production Flow Chart global optimization.In recent years, extensive studies has been carried out at technology interface to blast furnace-converter sector, but mainly concentrate on logistic regulation, hot metal supply quality, the flow process of section production run, the aspects such as qualitative examination of structural optimization problems, and less about the optimization research of the reconstruction and optimization of the relationship match optimization of section interface inter process and flow process operation, operation function.China is by the transformation of big steel country to iron and steel power, the pattern of the big section steel works of a new generation will exert far reaching influence to China and even world steel industrial expansion, therefore, be necessary to further investigate steel mill's pattern and especially smelt iron-make steel interface model, to draw the optimization model that is fit to the big section steel works ironmaking-steel-making interface of a new generation, and some important indicators of blast furnace-converter interface of optimization model are optimized, can realize coupling, linking, the coordination and stable of basic parameters such as flow of material in the production run, energy stream, temperature, time.Promote stable, the coordination of production procedure overall operation and serialization, high efficiency, reach and improve iron and steel enterprise's production procedure resource efficiency, energy efficiency and energy saving purposes.At present, people to the operation of the big section steel works of a new generation with in producing existing problem also understand fully, can carry out profound research to it more easily by setting up a kind of system that can simulate the big section steel works condition of production of following a new generation.For over ten years, computer simulation technique has obtained using widely in Iron and Steel Production, and iron and steel enterprise can utilize the quick and efficient of computing machine aborning, sets up the real-time simulation management system production is simulated and information processing, makes the production management optimization.Based on this, we have set up the realistic model of a blast furnace-converter sector " a jar on earth " interface model analogue system by Computer Simulation software, by emulation experiment, studied the influence of best distribution that arrival rate that different tap a blast furnace time and converter smelting cycle, hot-metal bottles enter system obeys to some performance indicators of blast furnace-converter sector " a jar on earth " interface model; The whole process that can show the emulation of blast furnace-converter sector production system simultaneously, thereby can allow the user be well understood to the problem that takes place in the production run, in time the parameter (corresponding manufacturing parameter) of model is adjusted, realized Logistics System Optimization is disposed.This Study on Technology successfully has a wide range of applications to production procedure resource efficiency, the energy efficiency of iron and steel enterprise.
Summary of the invention
The objective of the invention is to: a kind of optimization method to iron and steel enterprise's blast furnace-converter sector " a jar on earth " interface model is provided.The present invention has and reduces the improper stand-by period of hot-metal bottle in transportation in blast furnace-converter sector " a jar on earth " interface model to reduce the characteristics of the temperature drop of molten iron in transportation, thereby relax the finishing temperature that molten iron is gone into converter, have influence on whole production efficient, the energy efficiency of iron and steel flow process.Can be widely used in the optimization of the optimal design of ironmaking and steel-making interface technology and total figure layout.
The present invention to the technical scheme of the optimization method of iron and steel enterprise's blast furnace-converter sector " a jar is on earth " interface model is:
This method is by computer server, display, Various types of data collector, input keyboard, power supply and outlet line constitute, adopt Computer Simulation software to set up blast furnace-converter sector " a jar on earth " interface model computer simulation model, concrete steps are: (1) at first sets up the physical model of blast furnace-converter sector " a jar on earth " interface model according to the blast furnace-converter sector interface model of iron and steel enterprise's reality, and carries out the static collection of field data;
(2) data processing and the analysis to obtaining collection in worksite, utilize Computer Simulation software to set up the Visual calculation machine realistic model of blast furnace-converter sector " a jar on earth " interface model, data after analyzing are used for computer simulation model, with the practical condition of simulation iron and steel enterprise blast furnace-converter sector;
(3) utilize the system element of Computer Simulation software definition blast furnace-converter sector " a jar on earth " interface model visual simulation system, set up the Visualization Model structural drawing according to " the one jar on earth " structure of interface model and the layout at each station scene, can clearly find out the mutual relationship between each entity simultaneously;
(4) utilize Computer Simulation software that the structural model of blast furnace-converter sector " a jar on earth " interface model is carried out visual setting, comprising visual setting of element and detail setting;
(5) from the constructed Visual calculation machine realistic model of simulation run, report by gained is compared to simulation result, analyzing influences " bottleneck " of this production run factor and the reason that causes hot-metal bottle stand-by period before converter to add up and occur, propose the countermeasure of head it off, instruct the work of actual schedule personnel scientific arrangement production scheduling.
Visual setting described in the step (4) comprises visual setting of element and detail setting, the unit of The visual design have converts iron bag (part), be subjected to iron (machine), convert iron (machine), weigh or examine bag (machine), blast furnace (buffer), converter (buffer), carrier chain 1 (buffer), carrier chain 2 (buffer), carrier chain 3 (buffer), integration (variable), time series (timeseries), detail setting comprise to the logical relation between this model definition basic parameter and each element, to the process-cycle of each machine, enter rule, send the parameter setting of rule etc.
The countermeasure of described head it off is:
(1) satisfying blast furnace, the coordination of converter rhythm of production, blast furnace, converter are corresponding one by one and be subjected under the prerequisite that iron flask capacity and converter capacity equate, blast furnace casting time and converter smelting cycle equate, that is: converter smelting cycle=blast furnace casting time/N, and wherein N is the quantity that is subjected to iron flask;
(2) reduce the improper stand-by period of hot-metal bottle in transportation to reduce the temperature drop of molten iron in transportation;
(3) choosing the best distribution that arrival rate that hot-metal bottle enters system obeys is Poisson distribution, at the kind countermeasure that changes, reaches and relaxes the purpose that the stand-by period adds up before the converter by revising parameter.
In iron and steel enterprise's blast furnace-converter sector " a jar on earth " production model, when production is normally carried out, along with hot-metal bottle constantly, approximate rule molten iron is transported to converter from blast furnace, the stand-by period of hot-metal bottle before converter can add up along with adding up of time.When the time of adding up is increased to a certain degree, can badly influences the hot metal temperature drop of blast furnace-converter sector production run, even can cause production normally not move because the temperature drop in the hot-metal bottle is excessive.In addition, reason owing to the time of adding up, can cause hot-metal bottle before converter, slack tank queuing phenomena occurs before being back to blast furnace, cause transportation route to stop up, occur the molten iron transportation as ready time long, fall " three is long " phenomenon long between timing, that waste time long in transit, have to enable mixed iron blast sometimes temporarily, " one jar on earth " pattern is changed into " be subjected to iron flask-mixed iron blast-convert iron bag " pattern, finally cause the molten iron temperature loss serious, whole production flow process energy consumption increases considerably.
Because the improper waits for too long of hot-metal bottle that the hot-metal bottle operation does not freely cause, we propose with the actual blast furnace-converter sector production run of emulation of the computer software and find out the solution of the problems referred to above in order to improve in iron and steel enterprise's blast furnace-converter sector " a jar on earth " interface model.Key step is as follows: (1) at first sets up the physical model of blast furnace-converter sector " a jar on earth " interface model according to the blast furnace-converter sector interface model of iron and steel enterprise's reality, and carries out the static collection of field data; (2) data processing and the analysis to obtaining collection in worksite, utilize Computer Simulation software to set up the Visual calculation machine realistic model of blast furnace-converter sector " a jar on earth " interface model, data after analyzing are used for computer simulation model, with the practical condition of simulation iron and steel enterprise blast furnace-converter sector; (3) utilize the system element of Computer Simulation software definition blast furnace-converter sector " a jar on earth " interface model visual simulation system, set up the Visualization Model structural drawing according to " the one jar on earth " structure of interface model and the layout at each station scene, can clearly find out the mutual relationship between each entity simultaneously; (4) utilize Computer Simulation software that the structural model of blast furnace-converter sector " a jar on earth " interface model is carried out visual setting, comprising visual setting of element and detail setting.The unit of The visual design have converts iron bag (part), be subjected to iron (machine), convert iron (machine), weigh or examine bag (machine), blast furnace (buffer), converter (buffer), carrier chain 1 (buffer), carrier chain 2 (buffer), carrier chain 3 (buffer), integration (variable), time series (timeseries), detail setting comprises the logical relation between this model definition basic parameter and each element, to process-cycle of each machine, enter rule, send the parameter setting of rule etc.; (5) the constructed Visual calculation machine realistic model of simulation run, report by gained is analyzed simulation result, drawing influences " bottleneck " of this production run factor and the reason that causes hot-metal bottle stand-by period before converter to add up and occur, and proposes the countermeasure of head it off.Simultaneously, in blast furnace-converter " a jar on earth " the interface model system of reality, this kind method can be applied in the analysis and research work of similar problem easily.
The invention has the beneficial effects as follows: 1, shortened the preceding stand-by period of converter greatly, solved converter preceding stand-by period " additive effect "; 2, the effect that has better minimizing hot metal temperature drop helps improving molten iron and goes into the converter temperature, reaches the effect that further cuts down the consumption of energy; 3, improve the production efficiency of ironmaking-whole process of steel-making, helped the stable of follow-up steelmaking process control.
Description of drawings
Fig. 1 is blast furnace-converter sector of the present invention " a jar on earth " pattern physical model structure figure;
Fig. 2 is the structural drawing of blast furnace-converter sector of the present invention " a jar on earth " interface model Visualization Model;
Fig. 3 does not optimize preceding report statistical graph by the model of being set up of the present invention;
Fig. 4 is the report statistical graph after the optimization of the present invention.
Embodiment
Further specify flesh and blood of the present invention below in conjunction with accompanying drawing with example, but content of the present invention is not limited to this.
Embodiment 1: at first blast furnace-converter sector " a jar on earth " the interface model related data of certain iron and steel enterprise's reality is carried out the static collection in scene, for example blast furnace casting time, converter smelting cycle, haulage time, weigh or examine the bag time, hot-metal bottle one car arrives/leaves, arrives/statisticss such as time departure interval for several jars, set up blast furnace-converter sector " a jar on earth " interface model physical model, as Fig. 1.Then to the data processing of the collection in worksite that obtains and analyze, utilize Computer Simulation software to set up the computer simulation model of blast furnace-converter sector " a jar on earth " interface model, with the data after analyzing be used for computer simulation model, with the practical condition of simulation iron and steel enterprise blast furnace-converter sector; Utilize the system element of Computer Simulation software definition blast furnace-converter sector " a jar on earth " interface model analogue system, see Table 1.Set up Visualization Model structural drawing such as Fig. 2 according to " the one jar on earth " structure of interface model and the layout at each station scene, can clearly find out the mutual relationship between each entity simultaneously.Utilize Computer Simulation software that the structural model of blast furnace-converter sector " a jar on earth " interface model is carried out visual setting, comprising visual setting of element and detail setting.The unit of The visual design have converts iron bag (part), be subjected to iron (machine), convert iron (machine), weigh or examine bag (machine), blast furnace (buffer), converter (buffer), carrier chain 1 (buffer), carrier chain 2 (buffer), carrier chain 3 (buffer), integration (variable), time series (timeseries), detail setting comprise some process-cycles to each machine, enter rule, send rule.The constructed computer simulation model of simulation run, simulation result is analyzed and compared by the report of gained with the actual production data, analyzing influences " bottleneck " of this production run factor and the reason that causes hot-metal bottle stand-by period before converter to add up and occur, draw the countermeasure of head it off: (a) satisfying blast furnace, the coordination of converter rhythm of production, blast furnace, converter are corresponding one by one and be subjected under the prerequisite that iron flask capacity and converter capacity equate, and blast furnace casting time and converter smelting cycle equate.That is: converter smelting cycle=blast furnace casting time/N (N is the quantity that is subjected to iron flask) (2) reduces the improper stand-by period of hot-metal bottle in transportation to reduce the temperature drop of molten iron in transportation.(3) choosing the best distribution that arrival rate that hot-metal bottle enters system obeys is Poisson distribution.At the above-mentioned countermeasure of improving, blast furnace, the coordination of converter rhythm of production are being satisfied in discovery, blast furnace, converter are corresponding one by one and be subjected to that converter smelting cycle and the hot-metal bottle in the blast furnace and converter adjustment model enters the best distribution that system's arrival rate is obeyed under the prerequisite that iron flask capacity and converter capacity equate, can reach to relax stand-by period before the converter and add up, reduce the purpose of molten iron transportation temperature drop.Specifically see and optimize front and back report statistical graph as shown in Figure 3, Figure 4.Simultaneously, in blast furnace-converter " a jar on earth " the interface model system of reality, this kind method can be applied in the analysis and research work of similar problem easily.
Table 1 model element definition list
| Element term | Type | Quantity |
| Convert the iron bag | Parts | 1 |
| Integration | Parts | 1 |
| Blast furnace | Buffering | 1 |
| Converter | Buffering | 1 |
| Be subjected to iron | Machine | 1 |
| Convert iron | Machine | 1 |
| Weigh, examine bag | Machine | 1 |
| Carrier chain 1 | Travelling belt | 1 |
| |
Travelling belt | 1 |
| Carrier chain 3 | Travelling belt | 1 |
| Integration | Variable (type: integer) | 1 |
| The team leader | Time series | 1 |
The present invention is applicable to that all relate to the optimization of blast furnace-converter sector " a jar on earth " interface model.Can reduce effectively into the stand-by period before the converter on the one hand, reduce the loss, can reduce the temperature drop of whole process of production on the other hand, improve and finally go into the converter temperature, reach and improve production run efficient, energy saving purposes.
Claims (3)
1. optimization method to iron and steel enterprise's blast furnace-converter sector " a jar on earth " interface model, it is characterized in that: this method is by computer server, display, Various types of data collector, input keyboard, power supply and outlet line constitute, adopt Computer Simulation software to set up blast furnace-converter sector " a jar is on earth " interface model computer simulation model, concrete steps are:
(1) at first sets up the physical model of blast furnace-converter sector " a jar on earth " interface model, and carry out the static collection of field data according to the blast furnace-converter sector interface model of iron and steel enterprise's reality;
(2) data processing and the analysis to obtaining collection in worksite, utilize Computer Simulation software to set up the Visual calculation machine realistic model of blast furnace-converter sector " a jar on earth " interface model, data after analyzing are used for computer simulation model, with the practical condition of simulation iron and steel enterprise blast furnace-converter sector;
(3) utilize the system element of Computer Simulation software definition blast furnace-converter sector " a jar on earth " interface model visual simulation system, set up the Visualization Model structural drawing according to " the one jar on earth " structure of interface model and the layout at each station scene, can clearly find out the mutual relationship between each entity simultaneously;
(4) utilize Computer Simulation software that the structural model of blast furnace-converter sector " a jar on earth " interface model is carried out visual setting, comprising visual setting of element and detail setting;
(5) from the constructed Visual calculation machine realistic model of simulation run, report by gained is compared to simulation result, analyzing influences " bottleneck " of this production run factor and the reason that causes hot-metal bottle stand-by period before converter to add up and occur, propose the countermeasure of head it off, instruct the work of actual schedule personnel scientific arrangement production scheduling.
2. the optimization method to iron and steel enterprise's blast furnace-converter sector " a jar on earth " interface model according to claim 1, it is characterized in that: the visual setting described in the step (4) comprises visual setting of element and detail setting, the unit of The visual design have converts iron bag (part), be subjected to iron (machine), convert iron (machine), weigh or examine bag (machine), blast furnace (buffer), converter (buffer), carrier chain 1 (buffer), carrier chain 2 (buffer), carrier chain 3 (buffer), integration (variable), time series (timeseries), detail setting comprises to the logical relation between this model definition basic parameter and each element, to the process-cycle of each machine, enter rule, send the parameter setting of rule etc.
3. the optimization method to iron and steel enterprise's blast furnace-converter sector " a jar is on earth " interface model according to claim 1, it is characterized in that: the countermeasure of described head it off is:
(1) satisfying blast furnace, the coordination of converter rhythm of production, blast furnace, converter are corresponding one by one and be subjected under the prerequisite that iron flask capacity and converter capacity equate, blast furnace casting time and converter smelting cycle equate, that is: converter smelting cycle=blast furnace casting time/N, and wherein N is the quantity that is subjected to iron flask;
(2) reduce the improper stand-by period of hot-metal bottle in transportation to reduce the temperature drop of molten iron in transportation;
(3) choosing the best distribution that arrival rate that hot-metal bottle enters system obeys is Poisson distribution, at the kind countermeasure that changes, reaches and relaxes the purpose that the stand-by period adds up before the converter by revising parameter.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102722762A (en) * | 2011-12-29 | 2012-10-10 | 昆明理工大学 | Blast furnace/converter section queuing system analysis simulation method |
| CN103924800A (en) * | 2013-01-13 | 2014-07-16 | 山东省冶金设计院股份有限公司 | Rapid molten iron conveying method and device combination between interfaces of molten iron and molten steel |
| CN108733094A (en) * | 2018-05-23 | 2018-11-02 | 山东钢铁集团日照有限公司 | A kind of converter enters stove iron water amount Deviation Control Method and implements system |
| CN112464445A (en) * | 2020-11-10 | 2021-03-09 | 中冶赛迪工程技术股份有限公司 | Automatic simulation and optimization system for railway transportation of molten iron |
| CN113836746A (en) * | 2021-10-13 | 2021-12-24 | 南京澳博工业智能科技研究院有限公司 | Process simulation method for optimizing charging in stable blast furnace |
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| CN114635004A (en) * | 2022-03-14 | 2022-06-17 | 南京钢铁股份有限公司 | Method for shortening smelting period of converter |
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| CN102722762B (en) * | 2011-12-29 | 2015-08-26 | 昆明理工大学 | Blast furnace/converter sector queuing system resolves emulation mode |
| CN102722762A (en) * | 2011-12-29 | 2012-10-10 | 昆明理工大学 | Blast furnace/converter section queuing system analysis simulation method |
| CN103924800A (en) * | 2013-01-13 | 2014-07-16 | 山东省冶金设计院股份有限公司 | Rapid molten iron conveying method and device combination between interfaces of molten iron and molten steel |
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| CN108733094B (en) * | 2018-05-23 | 2021-12-28 | 山东钢铁集团日照有限公司 | Converter charging molten iron amount deviation control method and implementation system |
| CN108733094A (en) * | 2018-05-23 | 2018-11-02 | 山东钢铁集团日照有限公司 | A kind of converter enters stove iron water amount Deviation Control Method and implements system |
| CN112464445A (en) * | 2020-11-10 | 2021-03-09 | 中冶赛迪工程技术股份有限公司 | Automatic simulation and optimization system for railway transportation of molten iron |
| CN113836746A (en) * | 2021-10-13 | 2021-12-24 | 南京澳博工业智能科技研究院有限公司 | Process simulation method for optimizing charging in stable blast furnace |
| CN113836746B (en) * | 2021-10-13 | 2024-03-29 | 南京澳博工业智能科技研究院有限公司 | Flow simulation method for optimizing charging in stable blast furnace |
| CN113935711A (en) * | 2021-10-15 | 2022-01-14 | 苏州方兴信息技术有限公司 | Metallurgical production method and device, electronic equipment and storage medium |
| CN114635004A (en) * | 2022-03-14 | 2022-06-17 | 南京钢铁股份有限公司 | Method for shortening smelting period of converter |
| CN115719140A (en) * | 2022-11-14 | 2023-02-28 | 重庆大学 | Dynamic scheduling method and system for hot metal tank of converter steel plant under one-tank operation of hot metal interface |
| CN116027745A (en) * | 2022-12-15 | 2023-04-28 | 广东镭目华远智能科技有限公司 | Platform control method based on hot metal ladle running time flow control |
| CN116027745B (en) * | 2022-12-15 | 2024-04-12 | 广东镭目华远智能科技有限公司 | Platform control method based on hot metal ladle running time flow control |
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