CN105116850B - A kind of pelletizing burnup control method and device - Google Patents

A kind of pelletizing burnup control method and device Download PDF

Info

Publication number
CN105116850B
CN105116850B CN201510423408.4A CN201510423408A CN105116850B CN 105116850 B CN105116850 B CN 105116850B CN 201510423408 A CN201510423408 A CN 201510423408A CN 105116850 B CN105116850 B CN 105116850B
Authority
CN
China
Prior art keywords
mrow
msub
weight
parameter preset
mtd
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510423408.4A
Other languages
Chinese (zh)
Other versions
CN105116850A (en
Inventor
曾辉
胡兵
李宗平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongye Changtian International Engineering Co Ltd
Original Assignee
Zhongye Changtian International Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongye Changtian International Engineering Co Ltd filed Critical Zhongye Changtian International Engineering Co Ltd
Priority to CN201510423408.4A priority Critical patent/CN105116850B/en
Publication of CN105116850A publication Critical patent/CN105116850A/en
Application granted granted Critical
Publication of CN105116850B publication Critical patent/CN105116850B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/418Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/41875Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by quality surveillance of production
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

The embodiments of the invention provide a kind of pelletizing burnup control method and device, method therein includes:Wherein n parameter is chosen from pelletizing production procedure parameter as parameter preset;The parameter value of the n parameter preset is gathered in real time;The parameter value of the n parameter preset is input in default computation model, fuel value needed for obtaining;Fuel usage amount is adjusted according to the required fuel value in real time.By the computation model pre-established, realize some parameters by regulation and pelletizing fuel consumption is control effectively, optimize pelletizing production, reduce energy consumption level.

Description

A kind of pelletizing burnup control method and device
Technical field
The present invention relates to acid pellet technology, more particularly to a kind of pelletizing burnup control method and device.
Background technology
In steel and iron industry, iron ore acid pellet production technology is the developing direction of current optimization Bf Burden.It is raw The pelletizing that output is come needs to consume the fuel such as substantial amounts of coal dust or natural gas in burning, is become more and more popular in cost idea Today, reduction energy resource consumption have become major iron company's cost efficiency stand in the breach need solve the problem of.
Generally, the production process of pelletizing determines the combustion process of pelletizing, but the pelletizing of influence pelletizing fuel consumption is given birth to Produce procedure parameter a lot, for example have pelletizing production scale, operating rate, bentonite consumption, finished ball nodulizing FeO contents, pelletizing into Product ore deposit basicity, pelletizing crushing strength etc., not yet have a kind of prior art to utilize pelletizing production procedure parameter pair at present Pelletizing fuel consumption is effectively controlled.
The content of the invention
To overcome problems of the prior art, the present invention provides a kind of pelletizing burnup control method and device, with reality Now pelletizing fuel consumption is control effectively using pelletizing production procedure parameter.
First aspect according to embodiments of the present invention includes there is provided a kind of pelletizing burnup control method, methods described:
Wherein n parameter is chosen from pelletizing production procedure parameter as parameter preset;
The parameter value of the n parameter preset is gathered in real time;
The parameter value of the n parameter preset is input in default computation model, fuel value needed for obtaining;
Fuel usage amount is adjusted according to the required fuel value in real time;
Wherein, the computation model is:
Y fuel values for needed for described, yjFor j-th of parameter preset and the relationship equation of fuel consumption, wjFor yjPower Weight.
Optionally, the w is obtained in the following wayj
M sample data of each parameter preset is obtained, m * n matrix is constituted;
First weight is obtained from the matrix according to compositive power coefficient method and entropy assessment;
Second weight is obtained according to the input of user;
Determine the proportionality coefficient of first weight and the second weight;
First weight and second weight are added according to the proportionality coefficient and obtain wj, j=1,2...n.
Optionally, w is obtained especially by following mannerj
Obtain each parameter preset xiM sample data, constitute m * n matrix X=(xij)m×n, wherein xij(i=1,2, 3,...,m;J=1,2,3 ..., n) it is parameter preset xiJ-th of sample data;
The matrix is changed according to following rule:
Wherein I1=it is required that the smaller the better parameter preset, I2=it is required that the parameter preset being the bigger the better, I3={ will Aspire for stability in the parameter preset of ideal value };
The order of magnitude of unified parameter preset simultaneously eliminates dimension, and the matrix is carried out into such as down conversion:
xij=100 × (xij-xjmin)/(xjmax-xjmin) (i=1,2 ..., m;J=1,2 ..., n)
The element of the matrix is calculated as below again:
Pass through
Obtain the first weight beta=(β12,...,βn)T, wherein
Second weight α=(α is determined according to the input of user12,...,αn)T, wherein
The proportionality coefficient μ of first weight and the second weight is determined, wherein 0≤μ < 1;
Pass through
wj=μ αj+(1-μ)βj(j=1,2 ..., n)
Obtain wj, wherein
Optionally, the yjObtain in the following way:
Correlation analysis is carried out with fuel consumption to j-th of parameter preset, the phase is drawn by the method for curve matching Closing property equation yj, j=1,2...n.
Second aspect according to embodiments of the present invention includes there is provided a kind of pelletizing burn-up control assembly, described device:
Selecting module, for choosing wherein n parameter from pelletizing production procedure parameter as parameter preset;
Acquisition module, the parameter value for gathering the n parameter preset in real time;
Computing module, for the parameter value of the n parameter preset to be input in default computation model, needed for obtaining Fuel value;
Control module, for adjusting fuel usage amount in real time according to the required fuel value;
Wherein, the computation model is:
Y fuel values for needed for described, yjFor j-th of parameter preset and the relationship equation of fuel consumption, wjFor yjPower Weight.
Optionally, the w is obtained in the following wayj
M sample data of each parameter preset is obtained, m * n matrix is constituted;
First weight is obtained from the matrix according to compositive power coefficient method and entropy assessment;
Second weight is obtained according to the input of user;
Determine the proportionality coefficient of first weight and the second weight;
First weight and second weight are added according to the proportionality coefficient and obtain wj, j=1,2...n.
Optionally, w is obtained especially by following mannerj
Obtain each parameter preset xiM sample data, constitute m * n matrix X=(xij)m×n, wherein xij(i=1,2, 3,...,m;J=1,2,3 ..., n) it is parameter preset xiJ-th of sample data;
The matrix is changed according to following rule:
Wherein I1=it is required that the smaller the better parameter preset, I2=it is required that the parameter preset being the bigger the better, I3={ will Aspire for stability in the parameter preset of ideal value };
The order of magnitude of unified parameter preset simultaneously eliminates dimension, and the matrix is carried out into such as down conversion:
xij=100 × (xij-xjmin)/(xjmax-xjmin) (i=1,2 ..., m;J=1,2 ..., n)
The element of the matrix is calculated as below again:
Pass through
Obtain the first weight beta=(β12,...,βn)T, wherein
Second weight α=(α is determined according to the input of user12,...,αn)T, wherein
The proportionality coefficient μ of first weight and the second weight is determined, wherein 0≤μ < 1;
Pass through
wj=μ αj+(1-μ)βj(j=1,2 ..., n)
Obtain wj, wherein
Optionally, the yjObtain in the following way:
Correlation analysis is carried out with fuel consumption to j-th of parameter preset, the phase is drawn by the device of curve matching Closing property equation yj, j=1,2...n.
The technical scheme that embodiments of the invention are provided can include the following benefits:
In embodiments of the present invention, by the computation model pre-established, realize by adjust some parameters to pelletizing Fuel consumption control effectively, and optimizes pelletizing production, reduces energy consumption level.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not Can the limitation present invention.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the present invention Example, and for explaining principle of the invention together with specification.
Fig. 1 is a kind of flow chart of pelletizing burnup control method according to an exemplary embodiment;
Fig. 2 is the systematic schematic diagram according to an exemplary embodiment;
Fig. 3 is a kind of flow chart of pelletizing burnup control method according to an exemplary embodiment;
Fig. 4 is a kind of schematic diagram of pelletizing burn-up control assembly according to an exemplary embodiment.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with as appended The example of the consistent apparatus and method of some aspects be described in detail in claims, the present invention.
Fig. 1 is a kind of flow chart of pelletizing burnup control method according to an exemplary embodiment.Referring to Fig. 1 institutes Show, this method includes:
S101, chooses wherein n parameter as parameter preset from pelletizing production procedure parameter.Wherein n is natural number.
S102, gathers the parameter value of the n parameter preset in real time.
S103, the parameter value of the n parameter preset is input in default computation model, fuel value needed for obtaining.
S104, fuel usage amount is adjusted according to the required fuel value in real time.
Wherein, the computation model is:
Y fuel values for needed for described, yjFor j-th of parameter preset and the relationship equation of fuel consumption, wjFor yjPower Weight.
As an example, the yjIt can obtain in the following way:
Correlation analysis is carried out with fuel consumption to j-th of parameter preset, the phase is drawn by the method for curve matching Closing property equation yj, j=1,2...n.
Pelletizing production procedure parameter (hereinafter referred to as candidate parameter) might have a lot, for example, have pelletizing production scale, work Industry rate, bentonite consumption, finished ball nodulizing FeO contents, pelletizing finished product ore deposit basicity, pelletizing crushing strength etc..In order to carry out These candidate parameters and pelletizing fuel consumption can be carried out correlation research analysis respectively, draw each candidate parameter by screening The relationship equation influenceed on pelletizing fuel consumption.
If it find that certain candidate parameter influences notable to pelletizing fuel consumption, then by the parameter be added to parameter preset it Row, and record the relationship equation y of the parameter and fuel consumptionj, it is on the contrary then exclude the candidate parameter.
Fig. 2 is the systematic schematic diagram according to an exemplary embodiment.It is shown in Figure 2:
Sampling unit:It is responsible for the sampling to candidate parameter, is used for dependency analysis unit and model computing unit;
Dependency analysis unit:The sampled data of each candidate parameter is read from database, by candidate parameter and pelletizing Fuel consumption carries out correlation analysis, judges whether have an impact, and whether notable influences, is joined selected candidate according to influence degree Number is transmitted to Modeling Calculation unit as parameter preset;
Modeling Calculation unit:The sampled data of each parameter preset is read from database, passes through compositive power coefficient method The parameter preset that dependency analysis unit is determined is calculated and optimized mathematical model is set up, model and model parameter is defeated Go out to give Optimized model unit, Modeling Calculation unit is constantly calculated sampled data, constantly update the model in Optimized model Parameter, model will not be altered once setting up, and simply according to the sampled data of renewal, recalculate model parameter, and update excellent Change model parameter;
Optimized model unit:Model and model parameter are calculated from Modeling Calculation unit, after model is set up, according to Tracking, calculating, the assessment of Real-time Production Process parameter, according toPelletizing fuel consumption y values are calculated, ball is provided Group's fuel optimization standard, is exported to control unit;
Control unit:It is responsible for the control and regulation to pelletizing fuel, pelletizing fuel optimization standard is passed into controller, with Complete the control to pelletizing injecting coal quantity and jet amount.
It is shown in Figure 3, in the present embodiment or some other embodiments of the invention, institute can be obtained in the following way State wj
S301, obtains m sample data of each parameter preset, constitutes m * n matrix;
S302, the first weight is obtained according to compositive power coefficient method and entropy assessment from the matrix;
S303, the second weight is obtained according to the input of user;
S304, determines the proportionality coefficient of first weight and the second weight;
S305, first weight and second weight are added according to the proportionality coefficient and obtain wj, j=1, 2...n。
Further, in the present embodiment or of the invention some other embodiments, specifically can with as follows 1)~ 8) w is obtainedj
1) each parameter preset x is obtainediM sample data, constitute m * n matrix X=(xij)m×n, wherein xij(i=1, 2,3,...,m;J=1,2,3 ..., n) it is parameter preset xiJ-th of sample data.
As an example, under certain scene, parameter preset includes (i.e. x1、x2、x3、x4、x5、x6):
Tag_QTSCGM:Pelletizing plant's production scale (ten thousand t);
Tag_ZYL:Pelletizing plant's operating rate (%);
Tag_PRTYL:Bentonite usage amount (kg/t pellets);
Tag_FeO:Pelletizing finished product ore deposit FeO contents (%);
Tag_R:Pelletizing finished product ore deposit basicity (again);
Tag_KYQD:Pelletizing crushing strength (N/).
The sample collected is as shown in table 1 below:
Table 1
The matrix then set up is
2) matrix is changed according to following rule:
Wherein I1=it is required that the smaller the better parameter preset, I2=it is required that the parameter preset being the bigger the better, I3={ will Aspire for stability in the parameter preset of ideal value }.xjmin=min { xij| j=1,2 ..., n }, xjmax=max { xij| j=1,2 ..., n}。
Example in undertaking, the matrix after conversion is changed into
3) unify the order of magnitude of parameter preset and eliminate dimension, the matrix is subjected to such as down conversion:
xij=100 × (xij-xjmin)/(xjmax-xjmin) (i=1,2 ..., m;J=1,2 ..., n).
Example in undertaking, the matrix after conversion is changed into
4) element of the matrix is calculated as below:
Example in undertaking, is obtained by formula above
5) pass through
Obtain the first weight beta=(β12,...,βn)T, wherein
Note working as xijWhen=0, x is providedijlnxij=0 (i=1,2 ..., m;J=1,2 ..., n).
First weight is alternatively referred to as objective weight.
Example in undertaking, can obtain
β=(0.063 0.155 0.078 0.199 0.118 0.172 0.215)T
6) the second weight α=(α is determined according to the input of user12,...,αn)T, wherein
Second weight is alternatively referred to as subjective weight, and the determination of subjective weight can be dug according to pelletizing production Process History data Pick and analysis are got.
Example in undertaking, user determines
α=(0.1 0.05 0.1 0.15 0.1 0.2 0.3)T
7) the proportionality coefficient μ of first weight and the second weight is determined, wherein 0≤μ < 1.
Proportionality coefficient μ is alternatively referred to as preference coefficient, and it reflects Bu Tong weight of the analyst to subjective weight and objective weight Visual range degree, is set according to specific needs.
8) pass through
wj=μ αj+(1-μ)βj(j=1,2 ..., n)
Obtain wj, wherein
Wj can be described as comprehensive weight again.
Example in undertaking, if μ=0.6, can be obtained
W=(0.085 0.092 0.091 0.170 0.107 0.189 0.266)T
So, after having obtained w, by w and each yiSubstitute intoFinally it can obtain computation model.
For example, it is assumed that the relationship equation fitted under another scene is y1=0.0006x2- 0.25x+46.4, y2=- 4.5x2+ 27.5x+6.6, and calculate to obtain w1=0.17, w2=0.83, then it can obtain computation model
Y=w1y1+w2y2=0.17 (0.0006x2-0.25x+46.4)+0.83(-4.5x2+27.5x+6.6)
Fig. 4 is a kind of schematic diagram of pelletizing burn-up control assembly according to an exemplary embodiment.Referring to Fig. 4 institutes Show, device 400 can include:
Selecting module 401, for choosing wherein n parameter from pelletizing production procedure parameter as parameter preset;
Acquisition module 402, the parameter value for gathering the n parameter preset in real time;
Computing module 403, for the parameter value of the n parameter preset to be input in default computation model, is obtained Required fuel value;
Control module 404, for adjusting fuel usage amount in real time according to the required fuel value;
Wherein, the computation model is:
Y fuel values for needed for described, yjFor j-th of parameter preset and the relationship equation of fuel consumption, wjFor yjPower Weight.
In the present embodiment or some other embodiments of the invention, the w can be obtained in the following wayj
M sample data of each parameter preset is obtained, m * n matrix is constituted;
First weight is obtained from the matrix according to compositive power coefficient method and entropy assessment;
Second weight is obtained according to the input of user;
Determine the proportionality coefficient of first weight and the second weight;
First weight and second weight are added according to the proportionality coefficient and obtain wj, j=1,2...n.
In the present embodiment or some other embodiments of the invention, w can be specifically obtained in the following wayj
Obtain each parameter preset xiM sample data, constitute m * n matrix X=(xij)m×n, wherein xij(i=1,2, 3,...,m;J=1,2,3 ..., n) it is parameter preset xiJ-th of sample data;
The matrix is changed according to following rule:
Wherein I1=it is required that the smaller the better parameter preset, I2=it is required that the parameter preset being the bigger the better, I3={ will Aspire for stability in the parameter preset of ideal value };
The order of magnitude of unified parameter preset simultaneously eliminates dimension, and the matrix is carried out into such as down conversion:
xij=100 × (xij-xjmin)/(xjmax-xjmin) (i=1,2 ..., m;J=1,2 ..., n)
The element of the matrix is calculated as below again:
Pass through
Obtain the first weight beta=(β12,...,βn)T, wherein
Second weight α=(α is determined according to the input of user12,...,αn)T, wherein
The proportionality coefficient μ of first weight and the second weight is determined, wherein 0≤μ < 1;
Pass through
wj=μ αj+(1-μ)βj(j=1,2 ..., n)
Obtain wj, wherein
In the present embodiment or some other embodiments of the invention, the yjObtain in the following way:
Correlation analysis is carried out with fuel consumption to j-th of parameter preset, the phase is drawn by the device of curve matching Closing property equation yj, j=1,2...n.
On the device in above-described embodiment, wherein modules perform the concrete mode of operation in relevant this method Embodiment in be described in detail, explanation will be not set forth in detail herein.
Those skilled in the art will readily occur to its of the present invention after considering specification and putting into practice invention disclosed herein Its embodiment.The application be intended to the present invention any modification, purposes or adaptations, these modifications, purposes or Person's adaptations follow the general principle of the present invention and including undocumented common knowledge in the art of the invention Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by appended Claim is pointed out.
It should be appreciated that the invention is not limited in the precision architecture for being described above and being shown in the drawings, and And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is only limited by appended claim.

Claims (6)

1. a kind of pelletizing burnup control method, it is characterised in that methods described includes:
Wherein n parameter is chosen from pelletizing production procedure parameter as parameter preset;
The parameter value of the n parameter preset is gathered in real time;
The parameter value of the n parameter preset is input in default computation model, fuel value needed for obtaining;
Fuel usage amount is adjusted according to the required fuel value in real time;
Wherein, the computation model is:
<mrow> <mi>y</mi> <mo>=</mo> <munderover> <mi>&amp;Sigma;</mi> <mrow> <mi>j</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>n</mi> </munderover> <msub> <mi>w</mi> <mi>j</mi> </msub> <msub> <mi>y</mi> <mi>j</mi> </msub> </mrow>
Y fuel values for needed for described, yjFor j-th of parameter preset and the relationship equation of fuel consumption, wjFor yjWeight;
The w is obtained in the following wayj
M sample data of each parameter preset is obtained, m * n matrix is constituted;
First weight is obtained from the matrix according to compositive power coefficient method and entropy assessment;
Second weight is obtained according to the input of user;
Determine the proportionality coefficient of first weight and the second weight;
First weight and second weight are added according to the proportionality coefficient and obtain wj, j=1,2...n.
2. according to the method described in claim 1, it is characterised in that obtain w especially by following mannerj
Obtain each parameter preset xjM sample data, constitute m * n matrix X=(xij)m×n, wherein xij(i=1,2, 3,...,m;J=1,2,3 ..., n) it is parameter preset xjI-th of sample data;
The matrix is changed according to following rule:
<mrow> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> <mo>=</mo> <mfenced open = "{" close = ""> <mtable> <mtr> <mtd> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> </mtd> <mtd> <mrow> <mi>j</mi> <mo>&amp;Element;</mo> <msub> <mi>I</mi> <mn>1</mn> </msub> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <msub> <mi>x</mi> <mrow> <mi>j</mi> <mi>max</mi> </mrow> </msub> <mo>-</mo> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> </mrow> </mtd> <mtd> <mrow> <mi>j</mi> <mo>&amp;Element;</mo> <msub> <mi>I</mi> <mn>2</mn> </msub> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mo>|</mo> <mrow> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> <mo>-</mo> <msubsup> <mi>x</mi> <mi>j</mi> <mo>*</mo> </msubsup> </mrow> <mo>|</mo> </mrow> </mtd> <mtd> <mrow> <mi>j</mi> <mo>&amp;Element;</mo> <msub> <mi>I</mi> <mn>3</mn> </msub> </mrow> </mtd> </mtr> </mtable> </mfenced> </mrow>
Wherein I1=it is required that the smaller the better parameter preset, I2=it is required that the parameter preset being the bigger the better, I3={ to seek to stable It is scheduled on the parameter preset of ideal value };
The order of magnitude of unified parameter preset simultaneously eliminates dimension, and the matrix is carried out into such as down conversion:
xij=100 × (xij-xjmin)/(xjmax-xjmin) (i=1,2 ..., m;J=1,2 ..., n)
The element of the matrix is calculated as below again:
<mrow> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> <mo>=</mo> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> <mo>/</mo> <munderover> <mi>&amp;Sigma;</mi> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>m</mi> </munderover> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> </mrow>
Pass through
<mrow> <msub> <mi>h</mi> <mi>j</mi> </msub> <mo>=</mo> <mo>-</mo> <msup> <mrow> <mo>(</mo> <mi>ln</mi> <mi> </mi> <mi>m</mi> <mo>)</mo> </mrow> <mrow> <mo>-</mo> <mn>1</mn> </mrow> </msup> <munderover> <mi>&amp;Sigma;</mi> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>m</mi> </munderover> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> <mi>ln</mi> <mi> </mi> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> </mrow>
<mrow> <msub> <mi>&amp;beta;</mi> <mi>j</mi> </msub> <mo>=</mo> <mrow> <mo>(</mo> <mn>1</mn> <mo>-</mo> <msub> <mi>h</mi> <mi>j</mi> </msub> <mo>)</mo> </mrow> <mo>/</mo> <munderover> <mi>&amp;Sigma;</mi> <mrow> <mi>k</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>n</mi> </munderover> <mrow> <mo>(</mo> <mn>1</mn> <mo>-</mo> <msub> <mi>h</mi> <mi>k</mi> </msub> <mo>)</mo> </mrow> </mrow>
Obtain the first weight beta=(β12,...,βn)T, wherein
Second weight α=(α is determined according to the input of user12,...,αn)T, wherein
The proportionality coefficient μ of first weight and the second weight is determined, wherein 0≤μ < 1;
Pass through
wj=μ αj+(1-μ)βj(j=1,2 ..., n)
Obtain wj, wherein
3. according to the method described in claim 1, it is characterised in that the yjObtain in the following way:
Correlation analysis is carried out with fuel consumption to j-th of parameter preset, the correlation is drawn by the method for curve matching Equation yj, j=1,2...n.
4. a kind of pelletizing burn-up control assembly, it is characterised in that described device includes:
Selecting module, for choosing wherein n parameter from pelletizing production procedure parameter as parameter preset;
Acquisition module, the parameter value for gathering the n parameter preset in real time;
Computing module, for the parameter value of the n parameter preset to be input in default computation model, fuel needed for obtaining Value;
Control module, for adjusting fuel usage amount in real time according to the required fuel value;
Wherein, the computation model is:
<mrow> <mi>y</mi> <mo>=</mo> <munderover> <mi>&amp;Sigma;</mi> <mrow> <mi>j</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>n</mi> </munderover> <msub> <mi>w</mi> <mi>j</mi> </msub> <msub> <mi>y</mi> <mi>j</mi> </msub> </mrow>
Y fuel values for needed for described, yjFor j-th of parameter preset and the relationship equation of fuel consumption, wjFor yjWeight;
The w is obtained in the following wayj
M sample data of each parameter preset is obtained, m * n matrix is constituted;
First weight is obtained from the matrix according to compositive power coefficient method and entropy assessment;
Second weight is obtained according to the input of user;
Determine the proportionality coefficient of first weight and the second weight;
First weight and second weight are added according to the proportionality coefficient and obtain wj, j=1,2...n.
5. device according to claim 4, it is characterised in that obtain w especially by following mannerj
Obtain each parameter preset xjM sample data, constitute m * n matrix X=(xij)m×n, wherein xij(i=1,2, 3,...,m;J=1,2,3 ..., n) it is parameter preset xjI-th of sample data;
The matrix is changed according to following rule:
<mrow> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> <mo>=</mo> <mfenced open = "{" close = ""> <mtable> <mtr> <mtd> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> </mtd> <mtd> <mrow> <mi>j</mi> <mo>&amp;Element;</mo> <msub> <mi>I</mi> <mn>1</mn> </msub> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <msub> <mi>x</mi> <mrow> <mi>j</mi> <mi>max</mi> </mrow> </msub> <mo>-</mo> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> </mrow> </mtd> <mtd> <mrow> <mi>j</mi> <mo>&amp;Element;</mo> <msub> <mi>I</mi> <mn>2</mn> </msub> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mo>|</mo> <mrow> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> <mo>-</mo> <msubsup> <mi>x</mi> <mi>j</mi> <mo>*</mo> </msubsup> </mrow> <mo>|</mo> </mrow> </mtd> <mtd> <mrow> <mi>j</mi> <mo>&amp;Element;</mo> <msub> <mi>I</mi> <mn>3</mn> </msub> </mrow> </mtd> </mtr> </mtable> </mfenced> </mrow>
Wherein I1=it is required that the smaller the better parameter preset, I2=it is required that the parameter preset being the bigger the better, I3={ to seek to stable It is scheduled on the parameter preset of ideal value };
The order of magnitude of unified parameter preset simultaneously eliminates dimension, and the matrix is carried out into such as down conversion:
xij=100 × (xij-xjmin)/(xjmax-xjmin) (i=1,2 ..., m;J=1,2 ..., n)
The element of the matrix is calculated as below again:
<mrow> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> <mo>=</mo> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> <mo>/</mo> <munderover> <mi>&amp;Sigma;</mi> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>m</mi> </munderover> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> </mrow> 2
Pass through
<mrow> <msub> <mi>h</mi> <mi>j</mi> </msub> <mo>=</mo> <mo>-</mo> <msup> <mrow> <mo>(</mo> <mi>ln</mi> <mi> </mi> <mi>m</mi> <mo>)</mo> </mrow> <mrow> <mo>-</mo> <mn>1</mn> </mrow> </msup> <munderover> <mi>&amp;Sigma;</mi> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>m</mi> </munderover> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> <mi>ln</mi> <mi> </mi> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> </mrow>
<mrow> <msub> <mi>&amp;beta;</mi> <mi>j</mi> </msub> <mo>=</mo> <mrow> <mo>(</mo> <mn>1</mn> <mo>-</mo> <msub> <mi>h</mi> <mi>j</mi> </msub> <mo>)</mo> </mrow> <mo>/</mo> <munderover> <mi>&amp;Sigma;</mi> <mrow> <mi>k</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>n</mi> </munderover> <mrow> <mo>(</mo> <mn>1</mn> <mo>-</mo> <msub> <mi>h</mi> <mi>k</mi> </msub> <mo>)</mo> </mrow> </mrow>
Obtain the first weight beta=(β12,...,βn)T, wherein
Second weight α=(α is determined according to the input of user12,...,αn)T, wherein
The proportionality coefficient μ of first weight and the second weight is determined, wherein 0≤μ < 1;
Pass through
wj=μ αj+(1-μ)βj(j=1,2 ..., n)
Obtain wj, wherein
6. device according to claim 4, it is characterised in that the yjObtain in the following way:
Correlation analysis is carried out with fuel consumption to j-th of parameter preset, the correlation is drawn by the device of curve matching Equation yj, j=1,2...n.
CN201510423408.4A 2015-07-17 2015-07-17 A kind of pelletizing burnup control method and device Active CN105116850B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510423408.4A CN105116850B (en) 2015-07-17 2015-07-17 A kind of pelletizing burnup control method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510423408.4A CN105116850B (en) 2015-07-17 2015-07-17 A kind of pelletizing burnup control method and device

Publications (2)

Publication Number Publication Date
CN105116850A CN105116850A (en) 2015-12-02
CN105116850B true CN105116850B (en) 2017-08-22

Family

ID=54664868

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510423408.4A Active CN105116850B (en) 2015-07-17 2015-07-17 A kind of pelletizing burnup control method and device

Country Status (1)

Country Link
CN (1) CN105116850B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107037787B (en) * 2016-02-03 2019-01-25 中冶长天国际工程有限责任公司 A kind of grate-kiln pelletizing burnup control method and device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2048553A1 (en) * 2007-10-12 2009-04-15 Powitec Intelligent Technologies GmbH Control circuit for regulating a process, in particular a combustion process
CN101561148A (en) * 2009-05-08 2009-10-21 上海颖科计算机科技有限公司 Boiler combustion control system and method
CN102252343A (en) * 2011-05-05 2011-11-23 浙江宜景环保科技有限公司 Method for optimizing combustion of porous medium combustor
CN102261671A (en) * 2010-05-28 2011-11-30 王荣虎 Boiler combustion multi-constraint and multi-object optimization expert system and optimization method thereof
CN103672948A (en) * 2013-12-13 2014-03-26 聚光科技(杭州)股份有限公司 Combustion control system and method of industrial furnace
JP5577568B2 (en) * 2008-01-17 2014-08-27 Jfeスチール株式会社 Impeller desulfurization control apparatus and method
CN104313306A (en) * 2014-10-15 2015-01-28 中冶长天国际工程有限责任公司 Method and device for measuring specific consumption of sintering ore solid fuel
CN104328276A (en) * 2014-10-15 2015-02-04 中冶长天国际工程有限责任公司 Method of controlling solid fuel in sintering process, device and system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2048553A1 (en) * 2007-10-12 2009-04-15 Powitec Intelligent Technologies GmbH Control circuit for regulating a process, in particular a combustion process
JP5577568B2 (en) * 2008-01-17 2014-08-27 Jfeスチール株式会社 Impeller desulfurization control apparatus and method
CN101561148A (en) * 2009-05-08 2009-10-21 上海颖科计算机科技有限公司 Boiler combustion control system and method
CN102261671A (en) * 2010-05-28 2011-11-30 王荣虎 Boiler combustion multi-constraint and multi-object optimization expert system and optimization method thereof
CN102252343A (en) * 2011-05-05 2011-11-23 浙江宜景环保科技有限公司 Method for optimizing combustion of porous medium combustor
CN103672948A (en) * 2013-12-13 2014-03-26 聚光科技(杭州)股份有限公司 Combustion control system and method of industrial furnace
CN104313306A (en) * 2014-10-15 2015-01-28 中冶长天国际工程有限责任公司 Method and device for measuring specific consumption of sintering ore solid fuel
CN104328276A (en) * 2014-10-15 2015-02-04 中冶长天国际工程有限责任公司 Method of controlling solid fuel in sintering process, device and system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
基于多源异构信息融合的回转窑球团焙烧过程操作模式优化;任秀东;《中国优秀硕士学位论文全文数据库工程科技I辑》;20150715(第7期);全文 *

Also Published As

Publication number Publication date
CN105116850A (en) 2015-12-02

Similar Documents

Publication Publication Date Title
Gao et al. Pathways towards regional circular economy evaluated using material flow analysis and system dynamics
Chen et al. Generalized thermodynamic optimization for iron and steel production processes: Theoretical exploration and application cases
Wang et al. Multi-objective optimization of synergic energy conservation and CO2 emission reduction in China's iron and steel industry under uncertainty
Mitra et al. Multiobjective optimization of top gas recycling conditions in the blast furnace by genetic algorithms
Hao et al. De-capacity policy effect on China’s coal industry
Zhou et al. A technical framework for integrating carbon emission peaking factors into the industrial green transformation planning of a city cluster in China
Liu et al. System dynamics analysis on characteristics of iron-flow in sintering process
Li et al. Study on an implementation scheme of synergistic emission reduction of CO2 and air pollutants in China’s steel industry
CN104975118A (en) Method for optimizing ratio of raw materials before iron making
Steckel et al. To end coal, adapt to regional realities
Rao et al. Forecasting the carbon emissions in Hubei Province under the background of carbon neutrality: A novel STIRPAT extended model with ridge regression and scenario analysis
Xu et al. Reducing the fluctuation of oxygen demand in a steel plant through optimal production scheduling
Perpiñán et al. CO2 recycling in the iron and steel industry via power-to-gas and oxy-fuel combustion
Adilson de Castro et al. The mini blast furnace process: An efficient reactor for green pig iron production using charcoal and hydrogen-rich gas: A study of cases
Wang et al. Industrial structure optimization and low-carbon transformation of Chinese industry based on the forcing mechanism of CO2 emission peak target
Zhang et al. Intelligent natural gas and hydrogen pipeline dispatching using the coupled thermodynamics-informed neural network and compressor boolean neural network
Li et al. A novel seasonal grey model for forecasting the quarterly natural gas production in China
Widl et al. Combined optimal design and control of hybrid thermal-electrical distribution grids using co-simulation
Malone et al. Industrial ecosystems and food webs: An ecological-based mass flow analysis to model the progress of steel manufacturing in China
CN105116850B (en) A kind of pelletizing burnup control method and device
Choi et al. Machine Learning-Based Tap Temperature Prediction and Control for Optimized Power Consumption in Stainless Electric Arc Furnaces (EAF) of Steel Plants
Song et al. Analysis, evaluation and optimization strategy of China thermal power enterprises’ business performance considering environmental costs under the background of carbon trading
Fan et al. A system dynamics based model for coal investment
García García et al. A mixed integer linear programming model for the optimization of steel waste gases in cogeneration: A combined coke oven and converter gas case study
Liu et al. Multi-objective optimization for oil-gas production process based on compensation model of comprehensive energy consumption using improved evolutionary algorithm

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant