CN101187967B - Gas dynamic simulation system for steel enterprise - Google Patents
Gas dynamic simulation system for steel enterprise Download PDFInfo
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Abstract
A coal gas dynamics simulation system for a steel enterprise belongs to the simulation technology field of metallurgical energy. The system consists of coal gas production and consumption process simulating computers, a coal gas scheduling emulator, a gaspipe network emulator and a monitoring and displaying device connected in an Ethernet local network. The coal gas production and consumption process simulating computers include four types referring to a coal gas production simulating computer, a coal gas consumption simulating computer for the main production process, a coal gas consumption simulating computer for the auxiliary processes and a coal gas regulation user simulating computer; the coal gas scheduling emulator (14) simulates the roles of production plans of the steel enterprise and coal gas balancing and scheduling; the gaspipe network emulator (15) realizes the dynamic simulation of coal gas in the internal pipe network of the steel enterprise; the monitoring and displaying device (16) conducts demonstration of the coal system dynamics of the steel enterprise in the form of figures. The invention has the advantage that simulation of related processes is based on production stages with the time granularity as fine as minute, thereby reflecting the dynamic property of the coal gas system and testifying the validity and the rationality of the scheduling algorithm.
Description
Technical field
The invention belongs to metallurgical energy simulation technical field, a kind of gas dynamic simulation system for steel enterprise is provided, to the dynamic process emulation of generation, transportation, storage and the consumption of iron and steel enterprise's energy medium coal gas, be used to simulate the dynamic process of iron and steel enterprise's energy medium coal gas system.
Background technology
Country stipulates that to China per GDP energy consumption, gross contamination emission in 2010 having restrictive index, steel industry to develop rapidly has also aggravated the domestic energy, resource anxiety, and has caused the serious environmental pollution.The steel and iron industry total energy consumption accounts for 15% of the whole nation, is the rich and influential family of power consumption, water consumption and blowdown, also is one of energy-saving and emission-reduction industry with the largest potentiality simultaneously.
Coal resources in China is abundanter, and iron and steel enterprise's energy structure is that primary and secondary producing coal tolerance accounts for 30～40% of total energy consumption with coal, is the pith of iron and steel enterprise energy income, and the balance and the adjusting of energy resource system played an important role.The iron and steel manufacturing process be one in order, dynamic operating structure, there are instantaneous imbalance in the generation of energy medium coal gas and use, arrange etc. with static operation, device isolate, static method research has certain one-sidedness and limitation.Emulation technology is utilized multi-field specialized technical knowledge, and the whole production flow system that organically combines with dynamic production run and numerous operation is a research object, provides that coal gas system to iron and steel enterprise carries out dynamically, the instrument and the means of comprehensive research and analysis.Thereby improve iron and steel enterprise's efficiency of energy utilization, optimize energy balance, reclaim the energy and the energy that diffuse in the production link, finally not only help reducing production costs, improve the market competitiveness of enterprises, also be of value to environmental protection and sustainable development.
At present, the research at iron and steel enterprise's coal gas system emulation both at home and abroad has iron and steel enterprise's section time gas balance, each operation coal gas generation, consumption models and gas balance scheduling.These simulation studies are that only converter operation has related to the generation of dynamic coal gas at the static state research of coal gas in longer a period of time mostly, and more than working has certain limitation for dynamically, comprehensively studying iron and steel enterprise's coal gas system.
Summary of the invention
The object of the present invention is to provide a kind of gas dynamic simulation system for steel enterprise, be used to simulate generation, transportation, storage and the consumption process of iron and steel enterprise's energy medium coal gas.
The present invention sets about from each production process that the coal gas medium relates to, generation and consumption dynamic process to each production process coal gas medium carry out modeling, consider the storage of gas chamber simultaneously to coal gas, regulate, and the transportation of gaspipe network, on the basis of production logistics, each link of coal gas system is integrated, realization dynamically produces iron and steel enterprise's coal gas, consume, the simulation of storage and transportation, the interface of gas dispatching is provided simultaneously, make analogue system can accept traffic order, gas balance is carried out Real-Time Scheduling, realized the support of gas dynamic simulation system for steel enterprise to gas dispatching, this system not only can emulation coal gas medium generation, consume, store and transportation, can also verify the rationality and the implementation result of gas dispatching algorithm.
The present invention produces and consumes operation replicating machine, gas dispatching emulator 14, gaspipe network replicating machine 15 and monitoring display equipment 16 by each coal gas of iron and steel enterprise that Ethernet LAN 17 connects.
Coal gas generation and consumption operation replicating machine are divided into coal gas generation operation replicating machine, main production process gas consumption replicating machine, aided process gas consumption replicating machine and coal gas and regulate 4 types in subscriber simulation machine; Coal gas produces the generation of operation replicating machine simulation coke-oven gas, blast furnace gas and coal gas of converter, main production process gas consumption replicating machine simulation coal gas is in the consumption of main production process, aided process gas consumption replicating machine simulation coal gas is in the consumption of aided process, and coal gas is regulated subscriber simulation machine simulation coal gas is regulated user generating plant and boiler at coal gas consumption; Each coal gas produces and consumes the operation replicating machine respectively by generation and the consumption situation of LAN 17 with gaspipe network replicating machine 15 mutual coal gas, constitutes iron and steel enterprise's coal gas system jointly.
Coal gas produces and consumes the operation replicating machine and comprises: converter operation replicating machine 1, coke oven operation replicating machine 2, blast furnace operation replicating machine 3, shaft furnace operation replicating machine 4, sintering circuit replicating machine 5, heating furnace operation replicating machine 6, annealing furnace operation replicating machine 7, mixed iron blast operation replicating machine 8, roasting procedure replicating machine 9, superfine powder operation replicating machine 10, limekiln operation replicating machine 11, generating plant gas consumption replicating machine 12 and boiler gas consumption replicating machine 13.
Wherein, converter operation replicating machine 1 is realized in the converter production process at the generation of oxygen blast stage coal gas of converter and the dynamic simulation of removal process; Coke oven operation replicating machine 2 is realized the generation of coke-oven gas in the coke oven production runes and the dynamic simulation of removal process, simultaneously also to coke oven in process of production the consumption of coal gas carried out dynamic simulation; Blast furnace operation replicating machine 3 is realized the generation of blast furnace production process blast furnace gas and the dynamic simulation of removal process, simultaneously heat generator in the blast furnace production and coal powder injection operation has been carried out dynamic simulation to the consumption of coal gas; Shaft furnace operation replicating machine 4 has been realized the dynamic simulation of shaft furnace operation gas consumption in the pellet production run; Sintering circuit replicating machine 5 has been realized the dynamic simulation of sintering machine gas consumption in the sintering deposit production run; Heating furnace operation replicating machine 6 has been realized the dynamic simulation of heating furnace gas consumption in strand heating and insulating process; Annealing furnace operation replicating machine 7 has been realized the dynamic simulation of steel product gas consumption in annealing process; Mixed iron blast operation replicating machine 8 has been realized the dynamic simulation of mixed iron blast gas consumption in the hot-metal insulating process; Superfine powder operation replicating machine 10 has been realized the dynamic simulation of gas consumption in the superfine powder production run; Limekiln operation replicating machine 11 has been realized the dynamic simulation of gas consumption in the production run of limekiln; Generating plant gas consumption replicating machine 12 has been realized the dynamic simulation of gas consumption in the power generation process; Boiler gas consumption replicating machine 13 has been realized the dynamic simulation of gas consumption in the boiler combustion process; Gas dispatching emulator 14 has been played the part of the role of gas dispatching; Gaspipe network replicating machine 15 has been realized the dynamic simulation of coal gas at the inner pipe network of iron and steel enterprise; Monitoring display equipment 16 dynamically shows iron and steel enterprise's coal gas system with patterned form.
On function, emulation of the present invention iron and steel enterprise's by-product gas its produce, consume, transportation, storage concerned process steps dynamic operation rule in time, and provide the coal gas system scheduling feature, can carry out dynamic dispatching to iron and steel enterprise's coal gas system, thereby verify dispatching algorithm, check dispatching effect, for the research of coal gas system provides instrument and means,, mobile equilibrium and dynamic dispatching instruct and reference for providing.
By-product gas produces and consumes the operation replicating machine is the major part of this invention, be divided into coal gas and produce operation replicating machine (converter operation replicating machine 1, coke oven operation replicating machine 2, blast furnace operation replicating machine 3), main production process gas consumption replicating machine (shaft furnace operation replicating machine 4, sintering circuit replicating machine 5, heating furnace operation replicating machine 6, annealing furnace operation replicating machine 7), aided process gas consumption replicating machine (mixed iron blast operation replicating machine 8, roasting procedure replicating machine 9, superfine powder operation replicating machine 10, limekiln operation replicating machine 11) and coal gas regulate subscriber simulation machine (generating plant gas consumption replicating machine 12 and boiler gas consumption replicating machine 13) 4 types.The both production process of emulation coal gas, the also consumption process of emulation coal gas of coke oven operation replicating machine 2 and blast furnace operation replicating machine 3 wherein.These coal gas produce (consumptions) operation replicating machines and have similar structure, comprise that working procedure parameter is provided with 35, production run logistics simulation 36, algorithm model storehouse 37, coal gas produce (consumptions) calculating 38, coal gas generation consumption models 39, Clock management 40, daily record 41, simulation process communication 42 and analogue system and issue 43 subsystems.Wherein working procedure parameter is provided with 35 settings of finishing manufacturing parameters such as this processing apparatus, technologies, makes replicating machine carry out simulation calculation according to different parameters, makes simulation process have certain versatility; Production run logistics simulation 36 is finished the industrial process simulation to this each production phase of operation, in the iron and steel manufacturing process, logistics is the basis, and the generation of the energy and consumption are to carry out on the basis of logistics, therefore, the dynamic simulation of energy medium coal gas is also based on production run; The various computation models in this operation production run have been preserved in algorithm model storehouse 37; Coal gas produces (consumption) calculating 38 and has realized the gas dynamic simulation process, and the dynamic simulation of coal gas is based on the operation production phase, produces consumption models 39 according to coal gas and calculates; Coal gas generation consumption models 39 has been preserved various calculating parameters and the model in this operation coal gas dynamic calculation process, this model bank is carried out unified management to various models and parameter, model can be replaced flexibly, and this replaceability can make system use the third party to provide easily to improve system accuracy; Clock management 40 is implemented in the operation of propulsion system on the time shaft, safeguards simulation clock and time field scape; The main incident that daily record 41 record simulation processes take place, log information can configurations, also can be closed; Simulation process communication 42 emulation mutual between this operation gas dynamic simulation process and the scheduling, it has defined a series of message by abstract various dispatch commands, operation emulation is according to the content tissue production of message; Artificial intelligence issue 43 dynamically sends with the form of broadcasting artificial intelligence to the outside.
Gas dispatching emulator 14 has been simulated the role of steel plant's production schedule and gas balance scheduling, the operation basis that provides logistics to produce for system, and coal gas system dynamic dispatching order.It comprises production planning management 18, gas balance calculating 19, dispatching algorithm storehouse 20, Man Machine Interface 21 and simulation process communication 22.
The moving law of the inner gaspipe networks of gaspipe network replicating machine 15 simulation iron and steel enterprises comprises that the gaspipe network parameter is provided with 23, gaspipe network model bank 24, gas piping emulation 25, coal gas pressurizing point emulation 26, coal gas mixing station emulation 27, gas chamber emulation 28, Clock management 29, daily record 30, simulation process communication 31 and artificial intelligence issue 32.Wherein the gaspipe network parameter is provided with the 23 various parameters that are provided with the gaspipe network simulation calculation, comprise conduit types, diameter, length, various valve types, the type of gas chamber, capacity and shape, the operational factor of Pumps ﹠ Fans in the pressurizing point, the kinds of gas of coal gas mixing station and mixing requirement; Gaspipe network model bank 24 has defined the various models that pipe network calculates; The memory space of 25 pairs of pipelines of gas piping emulation, pressure, flow have carried out emulation; The pressure and the flow of 26 pairs of coal gas turnover of coal gas pressurizing point emulation pressurizing point have carried out emulation; Pressure, flow and calorific value that 27 pairs of coal gas turnover of coal gas mixing station emulation mix the station have carried out emulation; Emulation has been carried out in diffusing of the turnover flow of 28 pairs of coal gas of gas chamber emulation, gas chamber pressure, cabinet position and gas chamber; The module of the same names in Clock management 29, daily record 30, simulation process communication 31 and artificial intelligence issue 32 and the operation replicating machine is finished similar function.
Monitoring display equipment 16 provides the visualization interface of coal gas system.Receive the simulation process data that each operation replicating machine is issued by LAN 17, obtain generation, consumption and the memory state of present by-product gas.Monitoring display equipment 16 separates fully with simulation process, and only the data that define by LAN 17 usefulness are carried out alternately.
The invention has the advantages that:
1, to the emulation of energy medium coal gas concerned process steps based on the production phase, time granularity reaches minute, has reflected the instantaneous imbalance of coal gas generation, consumption and storage, and the basis of research coal gas system dynamic property is provided.
2, gas dispatching is as a gas dynamic simulation system part, but the instruction of analogue system response scheduling can verify the validity and the rationality of dispatching algorithm, and provide the operational effect of scheduling, for the research of scheduling provides reference and guidance.
3, by modeling to iron and steel enterprise's coal gas system, the difference of each enterprise's coal gas system is partly become the parameter that can import, the for example production capacity of gas chamber capacity, each concerned process steps and apparatus and process situation, coal gas mixing station version and regulative mode etc., gas dynamic simulation system is provided with system according to above parameter, so the present invention has good versatility.
4, the invention provides the research tool and the means of iron and steel enterprise's coal gas system, can be used to support work such as coal gas dynamic balancing scheduling, the formulation of concerned process steps turnaround plan, coal gas system concerned process steps and scrap build decision-making.
Description of drawings
Fig. 1 is the gas dynamic simulation system for steel enterprise structural drawing.
Fig. 2 is that coal gas produces (consumption) operation replicating machine structural drawing.
Embodiment
At first gas dispatching emulator 14 is selected the production schedule by the user automatically or by Man Machine Interface 21, by simulation process communication 22 production schedule is issued to each production process, comprises converter operation replicating machine 1, coke oven operation replicating machine 2, blast furnace operation replicating machine 3, shaft furnace operation replicating machine 4, sintering circuit replicating machine 5, heating furnace operation replicating machine 6, annealing furnace operation replicating machine 7, mixed iron blast operation replicating machine 8, roasting procedure replicating machine 9, superfine powder operation replicating machine 10, limekiln operation replicating machine 11, generating plant gas consumption replicating machine 12 and boiler gas consumption replicating machine 13; Each production process then receives the production schedule of gas dispatching emulator 14 by simulation process communication 42, according to working procedure parameter the 35 apparatus and process parameters of determining separately are set, production run logistics simulation 36 is on the basis in algorithm model storehouse 37, carry out industrial process simulation according to the production schedule, coal gas generation (consumption) calculating 38 simultaneously produces (consumption) coal gas 39 calculating coal gas according to coal gas and produces and consumption, and simulation result is sent to gas dispatching emulator 14 and gaspipe network replicating machine 15 by simulation process communication 42, by artificial intelligence issue 43 display message is sent to monitoring display equipment 16 and graphically show for it; In the simulation process, each operation replicating machine and gaspipe network replicating machine 15 carry out communication by network 17, exchange coal gas simulation result each other; The gaspipe network replicating machine is provided with 23 by the gaspipe network parameter and determines its various parameters when initialization, in the simulation process based on gaspipe network model bank 24, obtain the coal gas data by simulation process communication 31, the memory space of 25 pairs of pipelines of gas piping emulation, pressure, flow carries out emulation, the pressure and the flow of 26 pairs of coal gas turnover of coal gas pressurizing point emulation pressurizing point carry out emulation, 27 pairs of coal gas turnover of coal gas mixing station emulation mix the pressure at station, flow and calorific value carry out emulation, the turnover flow of 28 pairs of coal gas of gas chamber emulation, gas chamber pressure, emulation is carried out in diffusing of cabinet position and gas chamber; In the simulation process, gas balance in the gas dispatching emulator 14 calculates the balance of 19 pairs of coal gas and assesses, and coal gas is dispatched according to the algorithm in the dispatching algorithm storehouse 20, as issue traffic order and close or open corresponding valve for gas pipe network simulation machine 15 trend of coal gas is regulated, 15 of gaspipe network replicating machines carry out emulation according to dispatch command.Like this, gas dynamic simulation system has just carried out analog simulation to the dynamic process of generation, transportation, storage and the consumption of iron and steel enterprise's by-product gas, and has responded the gas dispatching instruction, provides the operational effect of scheduling.
Claims (7)
1. gas dynamic simulation system for steel enterprise, it is characterized in that each coal gas of iron and steel enterprise that system is connected by Ethernet LAN (17) produces and consume the common formation of operation replicating machine, gas dispatching emulator (14), gaspipe network replicating machine (15) and monitoring display equipment (16); Coal gas generation and consumption operation replicating machine are divided into coal gas generation operation replicating machine, main production process gas consumption replicating machine, aided process gas consumption replicating machine and coal gas and regulate 4 types in subscriber simulation machine; Coal gas produces the generation of operation replicating machine simulation coke-oven gas, blast furnace gas and coal gas of converter, main production process gas consumption replicating machine simulation coal gas is in the consumption of main production process, aided process gas consumption replicating machine simulation coal gas is in the consumption of aided process, and coal gas is regulated subscriber simulation machine simulation coal gas is regulated user generating plant and boiler at coal gas consumption; Each coal gas produces and consumes the operation replicating machine respectively by generation and the consumption situation of LAN (17) with the mutual coal gas of gaspipe network replicating machine (15); Gas dispatching emulator (14) has been simulated the role of steel plant's production schedule and gas balance scheduling, the operation basis that provides logistics to produce for system, and coal gas system dynamic dispatching order; Gaspipe network replicating machine (15) has been realized the dynamic simulation of coal gas at the inner pipe network of iron and steel enterprise; Monitoring display equipment (16) dynamically shows iron and steel enterprise's coal gas system with patterned form, receives the simulation process data that each operation replicating machine is issued by LAN (17), obtains generation, consumption and the memory state of present by-product gas; Monitoring display equipment (16) separates fully with simulation process, only carries out alternately with the data that define by LAN (17).
2. according to the described analogue system of claim 1, it is characterized in that coal gas produces the operation replicating machine and comprises converter operation replicating machine (1), coke oven operation replicating machine (2), blast furnace operation replicating machine (3); Converter operation replicating machine (1) is realized in the converter production process at the generation of oxygen blast stage coal gas of converter and the dynamic simulation of removal process; Coke oven operation replicating machine (2) is realized the generation of coke-oven gas in the coke oven production run and the dynamic simulation of removal process, simultaneously also to coke oven in process of production the consumption of coal gas carried out dynamic simulation; Blast furnace operation replicating machine (3) is realized the generation of blast furnace production process blast furnace gas and the dynamic simulation of removal process, simultaneously heat generator in the blast furnace production and coal powder injection operation has been carried out dynamic simulation to the consumption of coal gas.
3. according to the described analogue system of claim 1, it is characterized in that main production process gas consumption replicating machine comprises shaft furnace operation replicating machine (4), sintering circuit replicating machine (5), heating furnace operation replicating machine (6), annealing furnace operation replicating machine (7); Shaft furnace operation replicating machine (4) has been realized the dynamic simulation of shaft furnace operation gas consumption in the pellet production run; Sintering circuit replicating machine (5) has been realized the dynamic simulation of sintering machine gas consumption in the sintering deposit production run; Heating furnace operation replicating machine (6) has been realized the dynamic simulation of heating furnace gas consumption in strand heating and insulating process; Annealing furnace operation replicating machine (7) has been realized the dynamic simulation of steel product gas consumption in annealing process.
4. according to the described analogue system of claim 1, it is characterized in that aided process gas consumption replicating machine comprises mixed iron blast operation replicating machine (8), roasting procedure replicating machine (9), superfine powder operation replicating machine (10), limekiln operation replicating machine (11); Mixed iron blast operation replicating machine (8) has been realized the dynamic simulation of mixed iron blast gas consumption in the hot-metal insulating process; Superfine powder operation replicating machine (10) has been realized the dynamic simulation of gas consumption in the superfine powder production run; Limekiln operation replicating machine (11) has been realized the dynamic simulation of gas consumption in the production run of limekiln;
5. according to the described analogue system of claim 1, it is characterized in that coal gas is regulated the subscriber simulation machine and comprised generating plant gas consumption replicating machine (12 and boiler gas consumption replicating machine (13); Generating plant gas consumption replicating machine (12) has been realized the dynamic simulation of gas consumption in the power generation process; Boiler gas consumption replicating machine (13) has been realized the dynamic simulation of gas consumption in the boiler combustion process.
6. according to the described analogue system of claim 2, it is characterized in that coke oven operation replicating machine (2) and the production process of blast furnace operation replicating machine (3) emulation coal gas and the consumption process of emulation coal gas; Coke oven operation replicating machine (2) and blast furnace operation replicating machine (3) comprise that working procedure parameter setting (35), production run logistics simulation (36), algorithm model storehouse (37), coal gas generation or consumption calculations (38), coal gas produce consumption models (39), Clock management (40), daily record (41), simulation process communication (42) and artificial intelligence issue (43) subsystem; The setting to this processing apparatus, explained hereafter parameter is finished in wherein working procedure parameter setting (35), makes replicating machine carry out simulation calculation according to different parameters, makes simulation process have certain versatility; Production run logistics simulation (36) is finished the industrial process simulation to this each production phase of operation, and the dynamic simulation of energy medium coal gas is also based on production run; The various computation models in this operation production run have been preserved in algorithm model storehouse (37); Coal gas produces or consumption calculations (38) has realized the gas dynamic simulation process, and the dynamic simulation of coal gas is based on the operation production phase, produces consumption models (39) according to coal gas and calculates; Coal gas generation consumption models (39) has been preserved various calculating parameters and the model in this operation coal gas dynamic calculation process, this model bank is carried out unified management to various models and parameter, model can be replaced flexibly, and this replaceability can make system use the third party to provide easily to improve system accuracy; Clock management (40) is implemented in the operation of propulsion system on the time shaft, safeguards simulation clock and time field scape; The main incident that daily record (41) record simulation process takes place, log information can configurations, perhaps are closed; Simulation process communication (42) emulation mutual between this operation gas dynamic simulation process and the scheduling, it has defined a series of message by abstract various dispatch commands, operation emulation is according to the content tissue production of message; Artificial intelligence issue (43) dynamically sends with the form of broadcasting artificial intelligence to the outside.
7. according to the described analogue system of claim 1, it is characterized in that gas dispatching emulator (14) comprises that production planning management (18), gas balance calculate (19), dispatching algorithm storehouse (20), Man Machine Interface (21) and simulation process communication (22).
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| CN2007101789607A CN101187967B (en) | 2007-12-07 | 2007-12-07 | Gas dynamic simulation system for steel enterprise |
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| CN2007101789607A CN101187967B (en) | 2007-12-07 | 2007-12-07 | Gas dynamic simulation system for steel enterprise |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102087506B (en) * | 2009-12-04 | 2012-12-12 | 中国石油天然气股份有限公司 | Crude oil pipe transportation process simulation and automatic test scheme compilation system and automatic generation method thereof |
| CN102147273B (en) * | 2010-01-29 | 2012-11-28 | 大连理工大学 | Data-based blast-furnace gas dynamic predication method for metallurgical enterprises |
| CN102703627B (en) * | 2012-06-19 | 2013-10-30 | 首钢总公司 | Method for forecasting use ratio of blast furnace gas |
| CN106547254B (en) * | 2015-09-17 | 2019-01-08 | 鞍钢股份有限公司 | Method for balancing and scheduling coal gas of iron and steel integrated enterprise |
| CN106338930B (en) * | 2016-10-27 | 2019-08-30 | 中冶赛迪工程技术股份有限公司 | Iron and steel enterprise's gas pipe system and method based on dynamic analog |
| CN109539812B (en) * | 2017-09-21 | 2021-03-16 | 南京梅山冶金发展有限公司 | Intelligent control device and control method for gas of sleeve kiln |
| CN107976976B (en) * | 2017-11-15 | 2020-04-21 | 东南大学 | Time sequence optimization method for gas consumption equipment of iron and steel enterprise |
| CN108193012B (en) * | 2018-01-01 | 2019-10-25 | 冶金自动化研究设计院 | A kind of iron and steel enterprise's coal gas of converter Optimal Control System |
| CN109324511A (en) * | 2018-11-19 | 2019-02-12 | 中冶赛迪重庆信息技术有限公司 | A kind of iron and steel enterprise's gaspipe network operation optimizing system |
| CN110619191A (en) * | 2019-10-10 | 2019-12-27 | 中冶赛迪重庆信息技术有限公司 | Gas pipe network operation diagnosis system and method |
| CN110968063B (en) * | 2019-12-17 | 2021-05-14 | 南京罕华流体技术有限公司 | Coal gas system optimal scheduling method based on artificial intelligence |
| CN111027227B (en) * | 2019-12-25 | 2023-09-26 | 北京金恒博远科技股份有限公司 | Dynamic simulation system and method for hot blast stove and electronic equipment |
| CN112464445B (en) * | 2020-11-10 | 2022-08-12 | 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 |
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