CN101763105A - Self-adaptation selectable constrained gas optimizing dispatching system and method for steel enterprises - Google Patents
Self-adaptation selectable constrained gas optimizing dispatching system and method for steel enterprises Download PDFInfo
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Abstract
The invention relates to self-adaptation selectable constrained gas optimizing dispatching system and method for steel enterprises, belonging to the technical field of steel gas dispatching. The gas optimizing dispatching system comprises a production plan subsystem, a gas forecast subsystem, a system configuration subsystem, a self-adaptation subsystem, a gas optimizing dispatching subsystem and a saving and printing subsystem. The gas optimizing dispatching method comprises the following steps of: establishing a gas dispatching model; mathematically describing the gas dispatching model; improving the gas dispatching model; comparing and analyzing the gas dispatching model; and applying the gas dispatching model. The invention has the advantage of providing a whole set of system comprising production plan data acquisition, system parameter configuration, self-adaption constrained adjustment, gas dynamic forecast and the gas optimizing dispatching system. The invention also provides the gas optimizing dispatching method which has very high adaptation to an environment. In the self-adaptation selectable constrained gas optimizing dispatching method of the steel enterprises, a user can accomplish all functions from data extraction to gas dispatching by only using the system without adding other extra work.
Description
Technical field
The invention belongs to iron and steel combustion gas dispatching technique field, a kind of self-adaptation selectable constrained iron and steel enterprise's gas optimizing dispatching system and method particularly are provided, be used for iron and steel enterprise's gas optimizing scheduling.
Background technology
The height of enterprise's combustion gas output and the balanced degree between gas supply amount and the demand, very big to the cost of products and the energy resource consumption influence of this enterprise.The combustion gas situation of multianalysis iron and steel enterprise, science are formulated the balanced game between the combustion gas supply and demand, to the development Iron and Steel Production, reduce energy resource consumption and improve environment important meaning is all arranged.
The system and method for at present relevant combustion gas scheduling, a kind of automatic optimization scheduling system and method Research And Design Institute Of Metallurgical Automation ZL 200710178959.4 of the iron and steel energy based on integrative data source are provided as patent of invention " based on the automatic optimization scheduling system and the method for the iron and steel energy of integrative data source ", but this patent of invention is not furtherd investigate the combustion gas scheduling, just comprehensively analyze iron and steel enterprise's energy scheduling System and method for, the combustion gas scheduling problem is considered not enough, making has certain limitation in actual applications, document " Baosteel blast furnace gas system balancing is put into practice " is from the actual conditions of Baosteel, monitoring when pointing out that in conjunction with the physical device of enterprise the key of gas dispatching is system's operation and adjustment bao steel technology 2003, emphatically point out the blast furnace gas generating capacity, blast furnace gas calorific value, pipeline pressure and gas chamber position are most important monitoring contents and have illustrated how this dispatches coal gas, the detailed process and the target of scheduling understood more in detail in article, but only limit to practical experience, there is not certain theory as guidance, document " integrated iron and steel works' coal gas system optimization utilizes " has been analyzed the metallurgical energy 2005 of fluctuating range of various gas consumption amounts and generating capacity, and the energy utilization rate of considering each equipment draws the thermal equilibrium relational expression, set up a simple linear programming model under some process conditions satisfying.Owing to fully take into account the actual energy consumption of each equipment, so have practical significance more; But model is simple, can not well satisfy requirement, the document " discussion of iron and steel enterprise's gas balance problem " of coal gas distribution and point out that gas dispatching is divided into static scheduling and dynamic dispatching China energy-conservation 2004, the three big reasons that cause the coal gas fluctuation have been made a concrete analysis of, the key of pointing out gas dispatching at last is to guarantee that wave phenomenon does not take place coal gas, and the experience of three-type-person's wage adjustment degree has been proposed, but also model-free as guidance.
The present invention has then proposed a kind ofly to obtain schedule constraints information adaptively according to dispatch environment in the multistage scheduling process, increases or reduce the gas optimizing scheduling model of scheduling unit to be tallied with the actual situation more.Based on institute's established model, built self-adaptation selectable constrained iron and steel enterprise's gas optimizing dispatching system simultaneously.Thereby the accuracy and the reliability of gas optimizing scheduling have been improved.
Summary of the invention
The object of the present invention is to provide a kind of self-adaptation selectable constrained iron and steel enterprise's gas optimizing dispatching system and method, satisfy the requirement that iron and steel enterprise's Iron and Steel Production and combustion gas are produced, the energy scheduling daily for iron and steel enterprise provides decision support.
Self-adaptation selectable constrained iron and steel enterprise's gas optimizing dispatching system of the present invention comprises production schedule subsystem, combustion gas predicting subsystem, system configuration subsystem, adaptive sub system, gas optimizing scheduler subsystem, preservation printer subsystem and connects the computer network of each subsystem; Annexation as shown in Figure 1 between the system.These six subsystems below make introductions all round:
Production schedule subsystem: mainly realize the collection of produced on-site planning data, the data of gathering comprise: the historical actual achievement data of combustion gas production and consumption, iron and steel enterprise's master operation production status information, iron and steel enterprise's combustion gas production status information, the real time data of combustion gas production and consumption, iron and steel enterprise's master operation and combustion gas production process production schedule data and production process technology supplemental characteristic.
The combustion gas predicting subsystem: the main realization carried out combustion gas supply and demand performance prediction with the combustion gas forecast model that the production schedule data utilization of production schedule subsystem collection is selected.
System configuration subsystem: realize that mainly gas optimizing dispatches the foundation of needed configuration parameter, comprise the pipe network configuration, the configuration of scheduling rule storehouse, scheduling unit configuration, manually input parameter.
The adaptive sub system: the adaptive system of operating gas Optimization Dispatching constraint, this system can obtain schedule constraints information adaptively according to dispatch environment, increases or reduce the scheduling strategy of scheduling unit to be tallied with the actual situation more.
Gas optimizing scheduler subsystem: be primarily implemented on the basis of guaranteeing production task and safety in production, provide the optimal allocation scheduling decision scheme of combustion gas according to regulation goal.The user can the selection scheduling objective function, and can make modification to scheduling result, adds new constraint condition, the new production scheduling scheme of laying equal stress on.
Preserve printer subsystem: the user whenever makes once new scheduling and calculates, and can use this system print to go out scheduling result, except the form with tabulation is reflected in the window, also will print with the form of Excel.
A kind of self-adaptation selectable constrained iron and steel enterprise's gas optimizing dispatching method of the present invention comprises: the foundation of combustion gas scheduling model, combustion gas scheduling model mathematical description, the improvement of combustion gas scheduling model, the comparison of combustion gas scheduling model and analysis, combustion gas scheduling model are used.
1, the combustion gas scheduling model is set up, and mainly realizes the foundation of combustion gas scheduling pipe network model and combustion gas scheduling unit model, and the present invention can set up blast furnace gas pipeline network, coke-oven gas pipe network, coal gas of converter pipe network, the natural gas tube pessimistic concurrency control that iron and steel enterprise comprises; By the characteristic of scheduling unit, scheduling unit can be divided into productive unit, production and marketing unit, buffer cell, consumable unit.
2, combustion gas scheduling model mathematical description, the target of scheduling problem are under the prerequisite of the given production schedule, turnaround plan, system's current state, based on known combustion gas network structure and model of element, to determine to satisfy the best combustion gas allocative decision of production energy demand.Obviously, scheduling problem can be described as the form of mathematical programming: regulation goal is expressed as objective function, and for numerous conditions of guaranteeing production safety, device security and combustion gas stable supplying as constraint condition.
3, the combustion gas scheduling model improves, the gas optimizing scheduling model of setting up in the combustion gas scheduling model mathematical description is the basic model in a certain period, but in concrete Optimization Dispatching, may adjust selectable constrained Optimization Dispatching that Here it is to constraint condition according to current state.And in reality, a lot of variable states are relevant with the state of previous moment, therefore need the mathematical programming model of single specific period is extended to the mathematical programming scheduling model that comprises many time periods, promptly will investigate at quite a long time internal combustion controlled atmosphere degree and optimize situation.
4, the combustion gas scheduling model compares and analyzes, and the combustion gas scheduling model of foundation can be divided into single phase model, multistage model, dynamic programming model.Three kinds of scheduling model algorithms respectively have quality, should compare and analyze the relative merits of every kind of model according to the actual conditions difference, select the combustion gas scheduling model that is fit to.
5, the combustion gas scheduling model is used, mainly be to utilize the combustion gas scheduling model of setting up to carry out the combustion gas scheduling, should at first assess the model of being set up before the combustion gas scheduling carrying out, the model that assessment result is good just can be used for carrying out the combustion gas scheduling, otherwise also needs to carry out again modeling.According to the such closed loop configuration of modeling-assessment-modeling, set up effective model.
The invention has the advantages that:
Provide a cover complete comprise production schedule data acquisition, systematic parameter configuration, self-adaptation constraint adjustment, combustion gas performance prediction, gas optimizing dispatching system; Provided simultaneously environment has been had the very gas optimizing dispatching method of strong adaptability: self-adaptation selectable constrained iron and steel enterprise's gas optimizing dispatching method, the user does not need to increase other extra work as long as this system of use can finish all functions of scheduling from the data extract to the combustion gas again.Open model bank, algorithms library structure are convenient to that the user expands and integrated with third party software.
Description of drawings
Fig. 1 is a kind of self-adaptation selectable constrained iron and steel enterprise's gas optimizing dispatching system structural drawing of the present invention.Wherein, production schedule subsystem 1; Combustion gas predicting subsystem 2; System configuration subsystem 3; Adaptive sub system 4; Gas optimizing scheduler subsystem 5; Preserve printer subsystem 6.
Fig. 2 is a kind of self-adaptation selectable constrained iron and steel enterprise's gas optimizing dispatching method composition diagram of the present invention.Gas optimizing dispatching method 7 mainly is made up of five parts: the combustion gas scheduling model sets up 8, combustion gas scheduling model mathematical description 9, combustion gas scheduling model improve 10, the comparison of combustion gas scheduling model and analyze 11, combustion gas scheduling model application 12.
Fig. 3 is the working procedure figure of gas optimizing dispatching system of the present invention.
Embodiment
Fig. 1～Fig. 3 is a kind of embodiment of the present invention.
1), carries out the data acquisition of the combustion gas production schedule in conjunction with on-site actual situations.
2) with the combustion gas production schedule data of gathering, carry out combustion gas supply and demand performance prediction.
3) at combustion gas supply and demand performance prediction result, carry out system modelling.During system modelling, should at first choose modeling method (different modeling methods is fit to different situations), select to participate in the analysis independent variable and the dependent variable of modeling then, the parameter that modeling needs is set, just can click the modeling button then and carry out system modelling.
4) after the modeling, can directly earlier observe the modeling effect intuitively on the modeling interface, the modeling effect can be watched by the modeling design sketch.Undesirable as the modeling effect, then modeling again.
5) carry out the model evaluation operation by the model that the modeling effect is pretty good to thinking from the observation of modeling design sketch.During model evaluation, at first import institute's established model; Select the assessment data source, at the assessment data source, the independent variable of selecting pairing and dependent variable (independent variable that must guarantee the assessment data source and dependent variable are consistent with the independent variable and the dependent variable of institute's established model) are carried out pre-service as needs to the assessment data source, then select the data pretreatment operation; Click the assessment button at last, this system then carries out evaluates calculation according to institute's established model automatically, and result of calculation represents with tables of data and figure dual mode.
6) at the evaluates calculation result, determine whether institute's established model meets the demands, as not meeting the demands, then need to carry out again system modelling.
7), think that institute's established model meets the demands, and then carries out the gas optimizing scheduling operation if according to assessment result.
System of the present invention as shown in Figure 1 comprises production schedule subsystem, combustion gas predicting subsystem, system configuration subsystem, adaptive sub system, gas optimizing scheduler subsystem, preservation printer subsystem and connects the computer network of each subsystem.
Method gas optimizing dispatching method 7 of the present invention as shown in Figure 2 mainly is made up of five parts: the combustion gas scheduling model sets up 8, combustion gas scheduling model mathematical description 9, combustion gas scheduling model improve 10, the comparison of combustion gas scheduling model and analyze 11, combustion gas scheduling model application 12.
Fig. 3 is the working procedure figure of gas optimizing dispatching system of the present invention.
1) program begins 13 and at first carries out production schedule data extract 14, and by data extract mode flexibly, the user can selectively extract modeling and predict the sample data that needs.
2) utilize the source data after extracting to select suitable forecast model to carry out combustion gas prediction 15 analyses, for the gas optimizing scheduling provides the data support.
3) utilize the combustion gas data predicted, the modeling algorithm in the choose reasonable gas optimizing scheduling modeling algorithm storehouse carries out gas optimizing scheduling modeling 16 according to the modeling prompting, and can intuitively check the modeling effect according to figure.
4) model after the modeling must could use through model evaluation 17, pass through model evaluation, judge whether the modelling effect of being set up meets the demands 18, if do not meet the demands, then need gravity treatment modeling method 19 to carry out the scheduling of combustion gas once more modeling, carry out model evaluation after the modeling again, the closed loop configuration of passing through modeling-assessment-modeling is like this set up effective combustion gas scheduling model.
5) after the modeling assessment, the model that meets the demands then is used for carrying out gas optimizing scheduling 20, needs to import data and model before the combustion gas scheduling.
6) to the result of combustion gas scheduling, can preserve combustion gas scheduling result 21 with Excel form, Txt form, XML system data library format.
7) preserved the combustion gas scheduling result after, then complete flow process of system is promptly moved and is finished EOP (end of program) 22.
Claims (2)
1. self-adaptation selectable constrained iron and steel enterprise's gas optimizing dispatching system is characterized in that: comprise production schedule subsystem, combustion gas predicting subsystem, system configuration subsystem, adaptive sub system, gas optimizing scheduler subsystem, preserve printer subsystem, connect the computer network of each subsystem;
Production schedule subsystem: realize the collection of produced on-site planning data, the data of gathering comprise: the historical actual achievement data of combustion gas production and consumption, iron and steel enterprise's master operation production status information, iron and steel enterprise's combustion gas production status information, the real time data of combustion gas production and consumption, iron and steel enterprise's master operation and combustion gas production process production schedule data and production process technology supplemental characteristic;
Combustion gas predicting subsystem: realize that the combustion gas forecast model that the production schedule data utilization of production schedule subsystem collection is selected carries out combustion gas supply and demand performance prediction
System configuration subsystem: realize the foundation that gas optimizing is dispatched needed configuration parameter, comprise the pipe network configuration, the configuration of scheduling rule storehouse, scheduling unit configuration, manually input parameter;
The adaptive sub system: the adaptive system of operating gas Optimization Dispatching constraint is obtained schedule constraints information adaptively according to dispatch environment, increases or reduce the scheduling strategy of scheduling unit to be tallied with the actual situation more;
Gas optimizing scheduler subsystem: be implemented on the basis of guaranteeing production task and safety in production, provide the optimal allocation scheduling decision scheme of combustion gas according to regulation goal, user's selection scheduling objective function, and scheduling result made modification, add new constraint condition, the new production scheduling scheme of laying equal stress on;
Preserve printer subsystem: the user whenever makes once new scheduling and calculates, and all uses this system print to go out scheduling result, except the form with tabulation is reflected in the window, also will print with the form of Excel.
2. one kind is used the described system of claim 1 to carry out the method that iron and steel enterprise's gas optimizing is dispatched, and it is characterized in that:
A, combustion gas scheduling model are set up, and realize the foundation of combustion gas scheduling pipe network model and combustion gas scheduling unit model, set up blast furnace gas pipeline network, coke-oven gas pipe network, coal gas of converter pipe network, natural gas tube pessimistic concurrency control that iron and steel enterprise comprises; By the characteristic of scheduling unit, scheduling unit is divided into productive unit, production and marketing unit, buffer cell, consumable unit;
B, combustion gas scheduling model mathematical description, the target of scheduling problem are under the prerequisite of the given production schedule, turnaround plan, system's current state, based on known combustion gas network structure and model of element, to determine to satisfy the combustion gas allocative decision of production energy demand; Regulation goal is expressed as objective function, for the condition that guarantees production safety, device security and combustion gas stable supplying as constraint condition;
C, combustion gas scheduling model improve, the gas optimizing scheduling model of setting up in the combustion gas scheduling model mathematical description is the basic model in a certain period, but in concrete Optimization Dispatching, may adjust selectable constrained Optimization Dispatching that Here it is to constraint condition according to current state; And in reality, a lot of variable states are relevant with the state of previous moment, therefore need the mathematical programming model of single specific period is extended to the mathematical programming scheduling model that comprises many time periods, investigate at quite a long time internal combustion controlled atmosphere degree and optimize situation;
D, combustion gas scheduling model compare and analyze, and the combustion gas scheduling model of foundation is divided into single phase model, multistage model, dynamic programming model; Three kinds of scheduling model algorithms respectively have quality, should compare and analyze the relative merits of every kind of model according to the actual conditions difference, select the combustion gas scheduling model that is fit to;
E, combustion gas scheduling model are used, utilize the combustion gas scheduling model of setting up to carry out the combustion gas scheduling, should at first assess the model of being set up before the combustion gas scheduling carrying out, the model that assessment result is good just can be used for carrying out the combustion gas scheduling, otherwise also needs to carry out again modeling; According to the such closed loop configuration of modeling-assessment-modeling, set up effective model.
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| CN102376026A (en) * | 2011-10-31 | 2012-03-14 | 冶金自动化研究设计院 | Industrial enterprise power utilization load optimizing system |
| CN102592037A (en) * | 2011-01-11 | 2012-07-18 | 中国石油化工股份有限公司 | Hydrogen requirement quantity prediction method and equipment and hydrogen balance dispatching method and equipment |
| CN102722754A (en) * | 2011-03-31 | 2012-10-10 | 北京三博中自科技有限公司 | Coal gas dynamic balance scheduling method based on expert system in coking industry and system thereof |
| CN102915006A (en) * | 2012-09-12 | 2013-02-06 | 北京志能祥赢节能环保科技有限公司 | Method for offline analyzing and online scheduling of byproduct gas of metallurgy industry |
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| CN103439926A (en) * | 2013-07-26 | 2013-12-11 | 同济大学 | Gas optimization scheduling device of iron and steel enterprise |
| CN103886203B (en) * | 2014-03-24 | 2017-01-11 | 美商天睿信息系统（北京）有限公司 | Automatic modeling system and method based on index prediction |
| CN103886203A (en) * | 2014-03-24 | 2014-06-25 | 美商天睿信息系统（北京）有限公司 | Automatic modeling system and method based on index prediction |
| CN104166344A (en) * | 2014-05-12 | 2014-11-26 | 中国石油大学(华东) | Natural gas pipeline network operation regulation and control method based on self-adaptive dynamic planning |
| CN104123662A (en) * | 2014-07-15 | 2014-10-29 | 上海师范大学 | Natural gas production and marketing optimization scheduling model |
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Application publication date: 20100630 |