CN110491454A - A kind of blast furnace process cost management method, system and computer can storage mediums - Google Patents
A kind of blast furnace process cost management method, system and computer can storage mediums Download PDFInfo
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Abstract
The present invention provide a kind of blast furnace process cost management method, system and computer can storage medium, the method includes: offer coking coal, and obtains the parameter and proportion of coking coal, provides ore, and obtain the parameter and proportion of ore；Coking experiment is carried out respectively according to the parameter of coking coal and proportion grouping, and experiment is sintered according to the parameter of ore and proportion grouping respectively；Obtain coke parameter and sintering parameter；The mapping relations between coke parameter and Blending of Coking Coals and sintering parameter and ore mix are established, determine the relationship of ton iron material cost Yu Blending of Coking Coals and ore mix.According to a series of relationships determined above, it is constraint with the performance requirement of blast furnace process STRENGTH ON COKE and sinter, using ton iron loss cost as target, using Techniques of Optimum, calculates the Coking Coal Blending scheme for meeting cost requirement and sinter ore matching scheme.The system and method can instruct Coking Coal Blending and sinter ore matching；It can realize that low cost of every seat height furnace under respective material condition is smelted at any time according to market fluctuation.
Description
Technical field
The present invention relates to metallurgical industry fields, more particularly to a kind of blast furnace process cost management method, system and calculating
Machine can storage medium.
Background technique
Low cost smelts the target that always blast furnace ironmaking is pursued.The prime cost of blast furnace process is in ore and coke, drop
Low cost emphasis in raw material, since the price of raw material is fluctuating at any time, thus low cost ironmaking scheme include (ore deposit consumption,
Coke ratio, the ore matching of sinter, coking coal blending) be also it is continually changing, therefore, Yao Shixian blast furnace low cost smelt, should have
Set of system and method can optimize blast furnace process scheme at any time according to the variation of material condition and price, such as from material balance
Angle, push away iron ore proportion from ingredient is counter up, however this method is not concerned with blast furnace process to sintering performance index
It is required that not studying ore matching to the quantitative effect of sintering performance, thus it is speculated that there is also biggish limitations for this method practical application.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of blast furnace process cost management sides
Method, system and computer can storage medium, for solve blast furnace process cost in the prior art be not easy to manage and optimize ask
Topic.
In order to achieve the above objects and other related objects, the present invention provides a kind of blast furnace process cost management method, comprising:
Coking coal is provided, and obtains the parameter and proportion of coking coal, provides ore, and obtain the parameter and proportion of ore；According to the ginseng of coking coal
Number and proportion grouping carry out coking experiment respectively, are sintered experiment respectively according to the parameter of ore and proportion grouping；It obtains real
Test rear coke parameter and sinter parameter；It establishes between coke parameter and Blending of Coking Coals and sinter parameter and the proportion of ore
Mapping relations, determine the relationship of ton iron material cost Yu Blending of Coking Coals and ore mix.According to a series of passes determined above
System is constraint with the performance requirement of blast furnace process STRENGTH ON COKE and sinter, using ton iron loss cost as target, utilizes optimization skill
Art calculates the Coking Coal Blending scheme for meeting cost requirement and sinter ore matching scheme.
Optionally, the step of carrying out coking experiment respectively according to the parameter of coking coal and proportion grouping includes: according to coking coal
Parameter and proportion carry out permutation and combination and are grouped, carry out coking experiment respectively.
Optionally, need to be enough according to the quantity of the parameter of coke and proportion grouping, cover maximum proportion and minimum proportion,
M is the species number of coking coking coal,
Optionally, the mathematical expression of coking parameter are as follows:Wherein, qcFor coke parameter, f (Xi) it is coke
Multiple regression function.
Optionally, the step of being sintered experiment respectively according to the parameter of ore and proportion grouping includes: according to ore
Parameter and proportion carry out permutation and combination and are grouped, be sintered experiment respectively.
Optionally, need to be enough according to the quantity of the parameter of ore and proportion grouping, cover maximum proportion and minimum proportion,
N is the species number of sintering mine:
Optionally, the mathematical expression of sinter parameter are as follows:Wherein, ToFor ore parameter, g (yj) it is mine
The multiple regression function of stone parameter.
Optionally, the step of calculating cost includes being wanted according to the index of the index of smelting requirements setting coking coal and sintering
It asks, and as constraint, and the coke and ore minimum according to objective function procurement cost.
A kind of blast furnace process Cost Management System, the blast furnace process Cost Management System include background processing system and
FTP client FTP, the background processing system include raw material supply Source Data Acquisition abrasive material, experimental design module, experimental data point
Processing module, material and heat Balance Calculation module and optimization computing module are analysed, the FTP client FTP includes raw material input mould
Block, experiment condition input module, experimental result input module, data analysis output module and display module, the client system
System is connect with the background processing module signal.
A kind of computer can storage medium, instruction is stored in the computer readable storage medium, when described instruction exists
When being run on computer, so that computer executes the blast furnace process cost management method.
As described above, blast furnace process cost management method, system and computer of the invention can storage medium, have it is following
The utility model has the advantages that the system and method can instruct Coking Coal Blending and sinter ore matching；It can be realized at any time according to market fluctuation every
Low cost of the seat height furnace under respective material condition is smelted.
Detailed description of the invention
Fig. 1 is shown as the flow diagram of blast furnace process cost management method in the embodiment of the present invention 1.
Fig. 2 is shown as the flow diagram of blast furnace process cost management method in the embodiment of the present invention 2.
Fig. 3 is shown as the blast furnace process Cost Management System provided in the embodiment of the present invention 3
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
It please refers to Fig.1 to Fig.3.It should be noted that diagram provided in the present embodiment only illustrates this in a schematic way
The basic conception of invention, only shown in schema then with related component in the present invention rather than package count when according to actual implementation
Mesh, shape and size are drawn, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its
Assembly layout kenel may also be increasingly complex.This specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to
Cooperate the revealed content of specification, so that those skilled in the art understands and reads, being not intended to limit the invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, it should all still fall in disclosed skill
Art content obtains in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " centre " and
The term of " one " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness
It is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
In implementation process, the maximum charge ratio that each coking coal resource can be supplied to coke-oven plant is investigated, each ore resource is investigated
The maximum charge ratio of sintering plant can be supplied to；
Within the scope of maximum charge ratio in front, coking and the sintering experiment of enough multiple groups are separately designed, test experiments are burnt
The performance indicator of charcoal and experiment sinter determines sintering performance index to determine coke property index and Blending of Coking Coals relationship
With ore mix relationship；
Ton iron loss coke and coke index, the relationship of sinter index, ton are determined according to MaterialBalance Computation and thermal balance
The relationship of iron loss sinter and sinter index；
According to the amount and coke of ton iron loss coke and sinter and Blending of Coking Coals, sinter and ore mix relationship, determine
The cost relation of ton iron loss coking coal and ore；
It is constraint with the performance requirement of blast furnace process STRENGTH ON COKE and sinter according to a series of relationships determined above, with
Ton iron loss cost calculates the Coking Coal Blending scheme and sinter ore matching for meeting cost requirement using Techniques of Optimum for target
Scheme.
Embodiment 1 provides a kind of blast furnace process cost management method, comprising:
S1: coking coal is provided, and obtains the parameter and proportion of coking coal, provides ore, and obtain the parameter and proportion of ore；
S2: coking experiment is carried out according to the parameter of coking coal and proportion grouping respectively, is grouped according to the parameter of ore and proportion
It is sintered experiment respectively；
S3: coke parameter and sinter parameter after experiment are obtained；
S4: the mapping relations between coke parameter and Blending of Coking Coals and sintering parameter and the proportion of ore are established.
S5: the relationship between ton iron material cost and Blending of Coking Coals, ore mix is determined according to material balance and thermal balance.
S6: being constraint with the performance requirement of blast furnace process STRENGTH ON COKE and sinter, using ton iron loss cost as target, using most
Optimisation technique calculates the Coking Coal Blending scheme for meeting cost requirement and sinter ore matching scheme
The step of carrying out coking experiment includes: the relationship for establishing coking coal resource Yu ton iron cost, provides m kind coking coal, burnt
Coal i provides maximum charge ratio Xi, in coking experiment and cost management optimization calculate, xiFor the proportion of coking coal, the pact of coking experiment
The mathematical expression of beam condition are as follows:
The step of being sintered experiment includes: the relationship for establishing ore resource Yu ton iron cost, provides n kind mineral resources, mine
The maximum charge ratio Y that source j is providedj, in sintering experiment and cost management optimization calculate, yjIt, will for the proportion of mineral jConstraint condition mathematical expression as sintering experiment are as follows:
The step of carrying out coking experiment further include: establish the relationship between coke metallurgical performance index and Blending of Coking Coals, i.e.,
Design the various performance indicator q that coke after simultaneously measurement experiment is tested in enough multiple groups cokingc, to determine coke property index and coking coal
Relationship between proportionM is coal quantity, f (xi) be coke property index and coal i proportion xiIt is polynary
Regression function relationship.
The step of being sintered experiment further include: the relationship between Metallurgical Properties of Sinter index and ore mix is established,
Design enough multiple groups sintering experiments, and after measurement experiment sinter various performance indicator To, to determine that sintering performance refers to
Relationship between mark and ore mixN is mineral quantity, g (yj) it is matching for sintering performance index and mineral j
Compare yjMultiple regression functional relation.Establish the relationship that ton iron consumes various ores Yu sinter index, i.e., it is flat according to material
Weighing apparatus calculates the relationship for determining ton iron loss sinter and sinter index, and then establishes the relationship that ton iron consumes various ore dosages.
The relationship that ton iron consumes various coking coal Yu coke index is established, i.e., determines that ton iron loss is burnt according to MaterialBalance Computation and thermal balance
Charcoal and coke index, the relationship of sinter index, and then establish the relationship that ton iron consumes various coking coal.The step of calculating cost is wrapped
It includes: setting the index of coking coal and the index request of sintering according to smelting requirements, and obtained as constraint, and according to objective function
Cost minimum coke and ore.
Referring to Fig. 2, embodiment 2 provides a kind of blast furnace process cost management method
Raw material condition according to certain iron-smelter coking and sintering:
Firstly, certain coke-oven plant, iron company coal source has at 4, coal source is respectively X1=to coking workshop maximum supply ratio
0.4, X2=0.5, X3=0.6, X4=0.2, sintering plant mineral resources have at 3, to the sintering mill (plant) maximum supply ratio Y1=
0.3, Y2=0.45, Y3=0.7
Secondly, design coking and sintering experiment
Coking experiment is the relationship of determining coke quality index and Blending of Coking Coals, and 20 groups of design (covers each coal as far as possible
A variety of proportions in source) Coking Coal Blending experiment, every group of satisfactionBy prepare 20 groups of coking coal samples according to
The normal process of coke-oven plant carries out coking, obtains coke, measure the carbon content of each group of coke, sulfur content, ash content, M40, M10,
The indexs such as CRI, CSR, coking yield rate.The relationship of these indexs Yu coal ratio is obtained with the method for multiple regression, such as
Sintering experiment is the relationship of determining sinter quality index and ore mix, and 15 groups of design (covers each as far as possible
A variety of proportions of mineral resources) Iron Ore Matching in Sintering experiment, every group of satisfaction
Prepare 15 groups of rock samples are sintered according to the normal process of sintering plant,
Sinter is obtained, TFe content, sulfur content, alkali metal, the basicity, tumbler index TI, low-temperature reduction powder of each group of sinter are measured
The indexs such as rate RDI, sintering finished rate obtain the relationship of these indexs Yu mine ratio with the method for multiple regression, such asThen it carries out blast furnace low cost and smelts optimization calculating
By the smelting of blast furnace low cost be converted into one with the minimum target of ton iron cost, meet the coke of blast furnace process and refer to
It is designated as the optimization problem of constraint condition.
1) constraint condition
The requirement for arranging blast furnace process STRENGTH ON COKE index, such as CSR >=65%, CRI≤26%, ash content≤11%
Requirement of the blast furnace process to sinter index is arranged, such as TI >=82%, RDI≤40%, TFe >=60%
Blending of Coking Coals
2) objective function
Cost is minimum, i.e., unit pig iron consumption the sum of coke cost and ore cost are minimum.
3) calculating process
Calculating is actually the Coking Coal Blending and burning that calculate the coke for being able to satisfy blast furnace process and sinter index
Tie ore matching scheme.It is to be realized by program calculating, calculation process such as Fig. 2.
Referring to Fig. 3, embodiment 3 provides a kind of blast furnace process Cost Management System, blast furnace process cost management system
System include background processing system and FTP client FTP, the background processing system include raw material supply Source Data Acquisition abrasive material,
Experimental design module, analysis of experimental data processing module, material and heat Balance Calculation module and optimization computing module, the visitor
Family end system include raw material input module, experiment condition input module, experimental result input module, data analysis output module and
Display module, the FTP client FTP are connect with the background processing module signal.
The embodiment of the present invention also provides a kind of computer program product, and it includes instructions, when the computer program quilt
When performed by computer, the instruction is so that computer executes the function of performed blast furnace process cost management method.
In the above-described embodiments can be all or part of reality is come by software, hardware, firmware or any combination thereof
It is existing.When being realized using software program, can realize in the form of a computer program product in whole or in part.The calculating
Machine program product includes one or more computer instruction.Load and execute on computers the computer program instructions
When, it is generated in whole or in part according to process or function described in the embodiment of the present application.The computer can be general
Computer, special purpose computer, computer network or other programmable devices.The computer instruction, which can store, to be calculated
In machine readable storage medium storing program for executing, or from a computer readable storage medium to another computer readable storage medium transmit.
For example, the computer instruction can be from a web-site, computer, server or data center by having
Line (such as coaxial cable, optical digital subscriber lines DSL) or wireless (such as infrared, wireless, microwave etc.) mode to another
Web-site, computer, server or data center are transmitted.The computer readable storage medium can be computer
Any usable medium that can be accessed either includes the numbers such as one or more usable medium integrated server, data center
According to storage equipment.The usable medium can be magnetic medium, for example, floppy disk, hard disk, tape, optical medium (such as DVD) or
Semiconductor medium (such as solid-state hard disk SSD) etc..
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of blast furnace process cost management method characterized by comprising
Coking coal is provided, and obtains the parameter and proportion of coking coal, provides ore, and obtain the parameter and proportion of ore；
Coking experiment is carried out respectively according to the parameter of coking coal and proportion grouping, is carried out respectively according to the parameter of ore and proportion grouping
Sintering experiment；
Obtain coke parameter and sinter parameter after testing；
The mapping relations between coke parameter and Blending of Coking Coals and sintering parameter and ore mix are established, and calculate cost.
2. blast furnace process cost management method according to claim 1, which is characterized in that according to the parameter and proportion of coking coal
It includes: parameter and proportion according to coking coal that grouping carries out the step of coking experiment respectively, carries out permutation and combination and is simultaneously grouped, respectively into
Row coking experiment.
3. blast furnace process cost management method according to claim 1, which is characterized in that the step of carrying out coking experiment is wrapped
It includes: establishing the relationship of coking coal resource Yu ton iron cost, m kind coking coal is provided, coking coal i provides maximum charge ratio Xi, in coking reality
It tests and optimizes in calculating with cost management, xiFor the proportion of coking coal, the mathematical expression of the constraint condition of coking experiment are as follows:
4. blast furnace process cost management method according to claim 1, which is characterized in that the step of being sintered experiment packet
It includes: establishing the relationship of ore resource Yu ton iron cost, n kind mineral resources, the maximum charge ratio Y that mineral resources j is provided are providedj, it is being sintered
During experiment and cost management optimization calculate, yjIt, will for the proportion of mineral jConstraint item as sintering experiment
Part is mathematically represented as:
5. according to claim 1 or blast furnace process cost management method described in 3, which is characterized in that carry out coking experiment
Step further include: establish the relationship between coke metallurgical performance index and Blending of Coking Coals, that is, design enough multiple groups coking experiments simultaneously
The various performance indicator q of coke after measurement experimentc, to determine the relationship between coke property index and Blending of Coking CoalsM is coal quantity, f (xi) be coke property index and coal i proportion xiMultiple regression functional relation.
6. according to claim 1 or blast furnace process cost management method described in 4, which is characterized in that be sintered experiment
Step further include: the relationship between Metallurgical Properties of Sinter index and ore mix is established, that is, designs enough multiple groups sintering experiments,
And after measurement experiment sinter various performance indicator To, to determine the relationship between sintering performance index and ore mix N is mineral quantity, g (yj) be sintering performance index and mineral j proportion yjMultiple regression function close
System.
7. blast furnace process cost management method according to claim 1, which is characterized in that establish ton iron and consume various mines
The relationship of stone and sinter index determines the relationship of ton iron loss sinter Yu sinter index according to MaterialBalance Computation, into
And establish the relationship that ton iron consumes various ore dosages.
8. blast furnace process cost management method according to claim 1, which is characterized in that establish ton iron and consume various cokes
The relationship of coal and coke index determines ton iron loss coke and coke index, sinter according to MaterialBalance Computation and thermal balance
The relationship of index, and then establish the relationship that ton iron consumes various coking coal.
9. a kind of blast furnace process Cost Management System, which is characterized in that the blast furnace process Cost Management System includes at backstage
Reason system and FTP client FTP, the background processing system include raw material supply Source Data Acquisition abrasive material, experimental design module,
Analysis of experimental data processing module, material and heat Balance Calculation module and optimization computing module, the FTP client FTP include
Raw material input module, experiment condition input module, experimental result input module, data analysis output module and display module, institute
FTP client FTP is stated to connect with the background processing module signal.
10. a kind of computer can storage medium, which is characterized in that instruction is stored in the computer readable storage medium, when
When described instruction is run on computers, so that computer perform claim requires 1 to 9 described in any item blast furnace process cost pipes
Reason method.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111798023A (en) * | 2020-05-11 | 2020-10-20 | 宁波大学 | Method for predicting comprehensive coke ratio in steelmaking sintering production |
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| CN111798023A (en) * | 2020-05-11 | 2020-10-20 | 宁波大学 | Method for predicting comprehensive coke ratio in steelmaking sintering production |
| CN111798023B (en) * | 2020-05-11 | 2023-08-29 | 宁波大学 | Comprehensive coke ratio prediction method in steelmaking sintering production |
| CN115354093A (en) * | 2022-04-07 | 2022-11-18 | 中冶赛迪工程技术股份有限公司 | Smelting cost control method and system for low-carbon blast furnace |
| CN115354093B (en) * | 2022-04-07 | 2024-02-23 | 中冶赛迪工程技术股份有限公司 | Smelting cost control method and system for low-carbon blast furnace |
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