CN102732659B - Burden surface profile control method of blast furnace burden distribution and control system - Google Patents

Burden surface profile control method of blast furnace burden distribution and control system Download PDF

Info

Publication number
CN102732659B
CN102732659B CN201110090527.4A CN201110090527A CN102732659B CN 102732659 B CN102732659 B CN 102732659B CN 201110090527 A CN201110090527 A CN 201110090527A CN 102732659 B CN102732659 B CN 102732659B
Authority
CN
China
Prior art keywords
charge level
value
burden
shape
specified points
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.)
Expired - Fee Related
Application number
CN201110090527.4A
Other languages
Chinese (zh)
Other versions
CN102732659A (en
Inventor
储滨
陈先中
杜洪缙
肖阳
吴晓东
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.)
Baoshan Iron and Steel Co Ltd
University of Science and Technology Beijing USTB
Original Assignee
Baoshan Iron and Steel Co Ltd
University of Science and Technology Beijing USTB
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 Baoshan Iron and Steel Co Ltd, University of Science and Technology Beijing USTB filed Critical Baoshan Iron and Steel Co Ltd
Priority to CN201110090527.4A priority Critical patent/CN102732659B/en
Publication of CN102732659A publication Critical patent/CN102732659A/en
Application granted granted Critical
Publication of CN102732659B publication Critical patent/CN102732659B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention discloses a control method of a burden surface profile control method of blast furnace burden distribution, and the method comprises: measuring the height variation of 6 specified points on the burden surface by radars; measuring the burden surface height values of the 6 specified points when the radars measure that the heights of the 6 specified points on the burden surface reach predetermined heights; calculating an ideal burden surface profile on the basis of current burden distribution parameters of burden distribution equipment, with the ideal burden surface profile containing the ideal burden surface height values of the 6 specified points; generating a burden distribution matrix based on the ideal burden surface profile; on the basis of the 6 specified points, revising the ideal burden surface profile according to the differences between the current burden surface height values and the ideal burden surface height values of the 6 specified points, thus obtaining a revised burden distribution matrix and revised burden distribution parameters of the burden distribution equipment; conducting burden distribution equipment based on the revised burden distribution parameters of the burden distribution equipment. The burden surface profile control method and control system of blast furnace burden distribution of the invention can realize more accurate detection of the burden surface, enable more optimized burden distribution process, reduce burden surface fluctuation, and achieve stable production, energy saving as well as consumption reduction.

Description

Shape of charge level control method and the Controlling System of blast furnace material distribution
Technical field
The present invention relates to the metallurgical technology control field, relate in particular to a kind of shape of charge level control method and Controlling System of blast furnace material distribution.
Background technology
Iron And Steel Industry is important basic industry, is the basic substance of developing national economy and national defense construction.And iron manufacturing process is a very complicated chemical reaction process, and blast furnace internal pair production condition is very harsh.The person extremely is concerned about urgent thing how to utilize better existing theory and monitoring information to realize the on-line Control of blast furnace ironmaking process becoming the steel industry.
In blast furnace ironmaking process and stove, shape of charge level has relation very closely.Can grasp well the process of smelting by monitoring shape of charge level, and then obtain operating method accurately, finally make Active hearth condition, smooth operation of furnace, reduction coke ratio, save energy, stablize high yield, reduce furnace wall and corrode and extend blast furnace campaign, the raising of blast furnace ironmaking productivity effect is had to very important value.
The method that charge level detects at present is a lot, mainly contains mechanical stock rod method of masurement, indirect charge level determining method, and the blast furnace video frequency monitoring system, and comparatively advanced microwave radar level gauging technology etc.But which kind of method to detect charge level by and all do not realize the control of blast furnace material distribution.Take blast furnace charge level as control object, by the error between desirable shape of charge level and actual shape of charge level, judge the working of a furnace, thereby constantly regulate the optimal control that cloth parameter and burden distribution matrix reach blast furnace material distribution, also belong to pioneering.
The current technology for the blast furnace charge level aspect mainly contains by various kinds of sensors charge level is detected, then the information that utilization obtains is carried out the reconstruct of charge level etc., but this charge level detect the information obtained general seldom and the reconstruct of charge level also have error, can't reach the requirement of control only according to the charge level of reconstruct.
Such as, CN1453669, be entitled as " the boiler combustion on-line optimization Controlling System based on computational intelligence ", disclosed a kind of boiler combustion on-line optimization Controlling System based on computational intelligence.It is to download the operating parameter of boiler from distributed control system by the download interface of Boiler Distributed Control System, obtain the smoke evacuation component of boiler from boiler tail flue gas component on-line monitoring system, and the carbon content of fly ash monitor of installing from boiler tail obtains the carbon content of fly ash of boiler, the operating parameter of boiler, smoke evacuation component and carbon content of fly ash data-storing are learnt and are set up nonlinear model and global optimization computation in the database of the central processing computer of combustion on-line optimization control system.Boiler optimization operating scheme when the present invention can obtain the discharge of minimum boiler pollutant, or the maximum boiler efficiency obtained under certain boiler pollutant discharge limit is Optimization goal, also can realize the operating scheme of multiple-objection optimization.The boiler combustion on-line optimization Controlling System of scheme based on computational intelligence that this application proposes, learnt and set up nonlinear model and global optimization computation in the database of computer, result enters by the interface of uploading of DCS the on-line optimization control that Boiler Distributed Control System realizes boiler, although invention utilizes some modeling methods to set up the model of Controlling System, but there is certain error, do not relate to correction.
CN1844409, be entitled as " temperature field based on infrared image and burden distribution detection method and Monitoring systems " and disclosed temperature field and burden distribution detection method and the Monitoring systems based on infrared image, the present invention is directed to the difficult problem detected of blast furnace temperature field and burden distribution, to reflect that online gas fluid in blast furnace variation tendency and burden distribution are changed to target, utilize infrared image processing and blast furnace status information to set up blast furnace models for temperature field and burden surface distribution model.Set up on this basis temperature field and burden distribution on-line monitoring system, the user can judge that according to models for temperature field Gas Flow distributes and eccentric degree, according to burden surface distribution model, analyzes the impact of cloth on the Gas Flow development, thereby optimizes burden distribution system.Monitoring systems based on the method has less investment, operation characteristics directly perceived, reliable, for judgement Gas Flow and burden distribution in blast furnace ironmaking process provide foundation objective, that quantize.The scheme that this application relates to is utilized infrared image and blast furnace status information, sets up blast furnace models for temperature field and burden surface distribution model system.It can reflect that gas fluid in blast furnace variation tendency and burden distribution change online, utilize expertise to be merged information, and the data correction shape of charge level of measuring with mechanical stock rod, but its charge level precision simulated is inadequate, can't measure in real time online, more not reach the requirement of control.
CN101020933, be entitled as " charge surface shape in blast dynamic solid Monitoring systems and detection method " and disclosed a kind of charge surface shape in blast dynamic solid Monitoring systems and detection method, belongs to electronic measurement technique and Computerized three-dimensional technical field.System comprises: radar, sleeve, valve, sleeve, blast furnace, and radar is mounted to the flange of joint sleeve; A set of radar data acquisition unit comprises 24 road signal incoming end daughter boards, and with terminal strip, be connected be installed on the data collecting card on the industrial computer bus; An industrial computer, and supporting blast furnace charge level stereoscopic monitoring software forms imaging system.Detecting step is: radar and data acquisition unit real-time communication, computer by inclination measurement to numerical value change into the vertical height value of blast furnace charge level, and be sent to the computer generated image system, in conjunction with the dimensional parameters of high furnace interior, generate the curved surface data of the required 3D bed of material.This application has been studied the method for utilizing many radars to carry out the charge surface shape in blast detection, the altitude information that system converts with a plurality of radars is as the criterion, the measured altitude information of the mechanical stock rod of take is reference, but this system is only measuring system, the critical data that 6 radars of usining form as charge level, play the effect of charge level reconstruct, radar does not participate in the control of charge level.
Summary of the invention
The object of the present invention is to provide a kind of blast furnace material distribution Optimal Control System that shape of charge level is control object of take.By regulating burden distribution matrix, make shape of charge level reach desirable shape of charge level, reach the optimal control of blast furnace material distribution.
According to an aspect of the present invention, propose a kind of shape of charge level control method of blast furnace material distribution, comprising: the height change of using 6 specified points on the radargrammetry charge level; When radargrammetry reaches predetermined height to the height of 6 specified points on charge level, gather the charge level height value of current these 6 specified points; The desirable shape of charge level of current cloth calculation of parameter based on apparatus for distributing, wherein this ideal shape of charge level comprises the desirable charge level height value of 6 specified points; Produce burden distribution matrix based on desirable shape of charge level; Based on 6 specified points, according to the current charge level height value of 6 specified points and the difference of desirable charge level height value, desirable shape of charge level is revised, obtain the cloth parameter of revised burden distribution matrix and apparatus for distributing; Cloth parameter based on revised apparatus for distributing is also carried out cloth.
Wherein, according to the current charge level height value of 6 specified points and the difference of desirable charge level height value, desirable shape of charge level correction is comprised: the aggregate-value e that calculates the difference of the desirable charge level height value of 6 specified points and current charge level height value; Set the threshold value of aggregate-value e, when the absolute value of current aggregate-value e surpasses threshold value, adjust burden distribution matrix and produce new cloth parameter, recalculate the desirable charge level height value that obtains 6 specified points according to new cloth parameter; Repeat above-mentioned step until the absolute value of current aggregate-value e is less than threshold value, the cloth parameter using the cloth parameter of burden distribution matrix now and apparatus for distributing as revised burden distribution matrix and apparatus for distributing.
Aggregate-value e wherein is calculated as: e=E (the desirable charge level height value aggregate-values of 6 specified points)-E (the current charge level height value aggregate-values of 6 specified points).Usually, threshold setting is 0.1 meter.
According to a further aspect in the invention, propose a kind of shape of charge level Controlling System of blast furnace material distribution, comprising: radar stock rod, apparatus for distributing, shape of charge level computing module, correcting module and optimization module.Radar stock rod comprises 6 radars, measures the height change of 6 specified points on charge level, when wherein the height of 6 specified points of radar stock rod on charge level reaches predetermined height, gathers the charge level height value of current these 6 specified points.Apparatus for distributing comprises a chute, and apparatus for distributing carries out cloth according to the cloth parameter.The shape of charge level computing module is connected to apparatus for distributing, and the desirable shape of charge level of the cloth calculation of parameter based on apparatus for distributing also produces burden distribution matrix, and wherein this ideal shape of charge level comprises the desirable charge level height value of described 6 specified points.Correcting module is connected to radar stock rod and shape of charge level computing module, according to the current charge level height value of 6 specified points and the difference of desirable charge level height value, desirable shape of charge level is revised, and obtains revised burden distribution matrix.Optimize module and be connected to shape of charge level computing module, correcting module and apparatus for distributing, produce revised cloth parameter, and carry out cloth by apparatus for distributing.
Wherein the radar of radar stock rod comprises high-frequency emission receiving antenna, circulator, Transmit-Receive Unit, frequency mixer and data processing circuit, measures the altitude information of 6 specified points on charge level according to rf echo signal.Correcting module is set the threshold value of aggregate-value e and is calculated the desirable charge level height value of 6 specified points and the aggregate-value e of the difference of current charge level height value, when the absolute value of current aggregate-value e surpasses threshold value, adjust burden distribution matrix and produce new cloth parameter by shape of charge level computing module and optimization module, recalculating according to new cloth parameter the desirable charge level height value that obtains 6 specified points by the shape of charge level computing module and again calculate aggregate-value e; Repeat above-mentioned step until the absolute value of current aggregate-value e is less than described threshold value, using burden distribution matrix now as revised burden distribution matrix.
Aggregate-value e wherein is calculated as: e=E (the desirable charge level height value aggregate-values of 6 specified points)-E (the current charge level height value aggregate-values of 6 specified points).Usually, threshold setting is 0.1 meter.
Shape of charge level control method and the Controlling System of blast furnace material distribution of the present invention are more accurate to the detection of charge level, and can to material loading procedure, be adjusted according to the situation of current charge level, make the cloth process more optimize, reduce the charge level fluctuation, realize stably manufactured and energy-saving and cost-reducing.
The accompanying drawing explanation
Fig. 1 has disclosed the schema according to the shape of charge level control method of blast furnace material distribution of the present invention.
Fig. 2 has disclosed the structure iron according to the shape of charge level Controlling System of blast furnace material distribution of the present invention.
Fig. 3 has disclosed the optimal control effect that the shape of charge level control method that adopts blast furnace material distribution of the present invention and Controlling System obtain.
Embodiment
In the shape of charge level control method of traditional blast furnace material distribution, the mechanical stock rod cloth control of main employing: the mechanical stock rod of mainly take is foundation, the machinery stock rod is followed charge level in the mode of contact and is descended, due to the carrying out of smelting, charge level continuous decrease, after charge level drops to a setting height, mention mechanical stock rod, start to feed in raw material, after adding the furnace charge manually set in advance batch, continue to fall mechanical stock rod, start the reinforced process of a new round.Traditional method is when blast furnace charge level changes, and the mechanical stock rod check point data of choosing on charge level are foundation, according to the data of mechanical stock rod, take corresponding red-tape operati.This method is usingd any value as controlled plant, and the mode of controlling charge level is very coarse, has larger error.
And in the shape of charge level control method and Controlling System of blast furnace material distribution of the present invention, adopt radar stock rod, measuring charge level in non-contacting mode descends, due to the carrying out of smelting, the charge level continuous decrease, after charge level drops to setting height, start to feed in raw material, after adding batch furnace charge generated according to radar data by computer, continue radargrammetry, start the reinforced process of a new round.
Shown in figure 1, disclosed the schema of the shape of charge level control method of blast furnace material distribution according to an embodiment of the invention, the method comprises following step:
S10. use the height change of 6 specified points on the radargrammetry charge level.
S11. when radargrammetry reaches predetermined height to the height of 6 specified points on charge level, gather the charge level height value of current these 6 specified points.
S12. the desirable shape of charge level of the current cloth calculation of parameter based on apparatus for distributing, wherein this ideal shape of charge level comprises the desirable charge level height value of 6 specified points.
S13. produce burden distribution matrix based on desirable shape of charge level.
S14. based on 6 specified points, according to the current charge level height value of 6 specified points and the difference of desirable charge level height value, desirable shape of charge level is revised, obtained the cloth parameter of revised burden distribution matrix and apparatus for distributing.In one embodiment, according to the current charge level height value of 6 specified points and the difference of desirable charge level height value, desirable shape of charge level correction is comprised to following step in step S14: the aggregate-value e that calculates the difference of the desirable charge level height value of 6 specified points and current charge level height value; Set the threshold value of aggregate-value e, when the absolute value of current aggregate-value e surpasses threshold value, adjust burden distribution matrix and produce new cloth parameter, recalculate the desirable charge level height value that obtains 6 specified points according to new cloth parameter.Repeat two above-mentioned steps until the absolute value of current aggregate-value e is less than described threshold value, the cloth parameter using the cloth parameter of burden distribution matrix now and apparatus for distributing as revised burden distribution matrix and apparatus for distributing.The account form of aggregate-value e is as follows:
E=E (the desirable charge level height value aggregate-values of 6 specified points)-E (the current charge level height value aggregate-values of 6 specified points).Usually threshold setting is 0.1 meter.
S15. the cloth parameter based on revised apparatus for distributing carry out cloth.
With reference to figure 2, disclosed the shape of charge level Controlling System according to a kind of blast furnace material distribution of one embodiment of the invention, comprise radar stock rod 20, apparatus for distributing 21, shape of charge level computing module 22, correcting module 23 and optimize module 24.
Radar stock rod 20 comprises 6 radars, measures the height change of 6 specified points on charge level, when wherein the height of 6 specified points of radar stock rod on charge level reaches predetermined height, gathers the charge level height value of current these 6 specified points.Apparatus for distributing 21 comprises a chute, and apparatus for distributing 21 carries out cloth according to the cloth parameter.Shape of charge level computing module 22 is connected to apparatus for distributing 21, and the desirable shape of charge level of the cloth calculation of parameter based on apparatus for distributing 21 also produces burden distribution matrix, and wherein this ideal shape of charge level comprises the desirable charge level height value of 6 specified points.In one embodiment, shape of charge level computing module 22 comprises that material shape is calculated simulation software, and this software be take burden distribution matrix as core, and the moving process of furnace charge of take is the model foundation, and the input by burden distribution matrix realizes that the calculating of charge level shows.Material shape is calculated simulation software and is also had the charge level display interface, and by setting current cloth parameter, the input burden distribution matrix can show current shape of charge level.Correcting module 23 is connected to radar stock rod 20 and shape of charge level computing module 22, and correcting module 23 is revised desirable shape of charge level according to the current charge level height value of 6 specified points and the difference of desirable charge level height value, obtains revised burden distribution matrix.Optimize module 24 and be connected to shape of charge level computing module 22, correcting module 23 and apparatus for distributing 21, optimize module 24 and produce revised cloth parameter, and carry out cloth by apparatus for distributing 21.
In one embodiment, the radar of radar stock rod 20 comprises high-frequency emission receiving antenna, circulator, Transmit-Receive Unit, frequency mixer and data processing circuit, and radar stock rod 20 is measured the altitude information of 6 specified points on charge level according to rf echo signal.
Correcting module 23 is set the threshold value of aggregate-value e and is calculated the desirable charge level height value of 6 specified points and the aggregate-value e of the difference of current charge level height value, when the absolute value of current aggregate-value e surpasses threshold value, adjust burden distribution matrixes and produce new cloth parameter by shape of charge level computing module 22 and optimization module 24, recalculating according to new cloth parameter the desirable charge level height value that obtains 6 specified points by shape of charge level computing module 22 and again calculate aggregate-value e.Repeat above-mentioned step until the absolute value of current aggregate-value e is less than threshold value, using burden distribution matrix now as revised burden distribution matrix.Wherein, aggregate-value e is calculated as:
E=E (the desirable charge level height value aggregate-values of 6 specified points)-E (the current charge level height value aggregate-values of 6 specified points).Usually, threshold value is set to 0.1 meter.
With traditional mechanical stock rod detection mode, compare, shape of charge level control method and the Controlling System of blast furnace material distribution of the present invention have following characteristics and advantages:
The mechanical stock rod of tradition be take a stock rod as charge level control foundation, and invention be take six radar stock rods as charge level control foundation.
The reference mark of traditional control method is, while with the material chi, arriving a changeless setting height, to think to meet to impose a condition, and starts the next round cloth.The present invention is more accurate to the control of charge level, and it take the synthetic setting height of 6 radars is foundation, and the material shape of furnace charge of take is calculated and added 6 radars as controlling parameter, and control mode is accurate.Can find out, it is to control a point that stock rod is measured essence, and the material shape based on six points is calculated the method that simulation software and radar combine, control be a face.
Increase charge level simulation calculation, radar correction and three links of optimal control in control process, by the control error between radargrammetry shape of charge level and desirable shape of charge level, regulated the blast furnace ironmaking operation, realized the control of blast furnace material distribution.
Sum up, traditional distributing mode be take any mechanical stock rod as the cloth basis, artificially sets by rule of thumb burden distribution matrix.The present invention is based on the distributing mode of radar and analog calculation, take compound control as core, according to the error between the true form of charge level under the desirable shape of charge level of setting and current burden distribution matrix, it is controlled plant, by regulating burden distribution matrix, make shape of charge level reach desirable shape of charge level, thereby reach the optimal control of blast furnace material distribution.
Fig. 3 has disclosed the optimal control effect that the shape of charge level control method that adopts blast furnace material distribution of the present invention and Controlling System obtain.As shown in Figure 3, the desirable shape of charge level of the curve of the top for setting, the curve of below is the shape of charge level control method that adopts blast furnace material distribution of the present invention or the actual shape of charge level that Controlling System obtains, can find out, based on the radargrammetry shape of charge level and the new compound control mode of desirable shape of charge level difference of altitude, by dwindling the shape of charge level error e, constantly regulating burden distribution matrix makes shape of charge level e be changed, more and more approach desirable shape of charge level, when the control error with setting meets limit value, cloth finishes, reach the purpose of optimal control cloth.
Shape of charge level control method and the Controlling System of blast furnace material distribution of the present invention are more accurate to the detection of charge level, and can to material loading procedure, be adjusted according to the situation of current charge level, make the cloth process more optimize, reduce the charge level fluctuation, realize stably manufactured and energy-saving and cost-reducing.

Claims (7)

1. the shape of charge level control method of a blast furnace material distribution, is characterized in that, comprising:
Use the height change of 6 specified points on the radargrammetry charge level;
When radargrammetry reaches predetermined height to the height of 6 specified points on charge level, gather the charge level height value of current these 6 specified points;
The desirable shape of charge level of current cloth calculation of parameter based on apparatus for distributing, wherein this ideal shape of charge level comprises the desirable charge level height value of described 6 specified points;
Produce burden distribution matrix based on described desirable shape of charge level;
Based on described 6 specified points, according to the current charge level height value of 6 specified points and the difference of desirable charge level height value, desirable shape of charge level is revised, obtain the cloth parameter of revised burden distribution matrix and apparatus for distributing; Wherein said desirable shape of charge level correction is comprised:
The aggregate-value e of the difference of the desirable charge level height value of 6 specified points of calculating and current charge level height value;
Set the threshold value of aggregate-value e, when the absolute value of current aggregate-value e surpasses threshold value, adjust burden distribution matrix and produce new cloth parameter, recalculate the desirable charge level height value that obtains 6 specified points according to new cloth parameter;
Repeat above-mentioned step until the absolute value of current aggregate-value e is less than described threshold value, the cloth parameter using the cloth parameter of burden distribution matrix now and apparatus for distributing as described revised burden distribution matrix and apparatus for distributing
Cloth parameter based on revised apparatus for distributing is also carried out cloth.
2. the shape of charge level control method of blast furnace material distribution as claimed in claim 1, is characterized in that, aggregate-value e is calculated as:
E=E (the desirable charge level height value aggregate-values of 6 specified points)-E (the current charge level height value aggregate-values of 6 specified points).
3. the shape of charge level control method of blast furnace material distribution as claimed in claim 2, is characterized in that, described threshold value is 0.1 meter.
4. the shape of charge level Controlling System of a blast furnace material distribution, is characterized in that, comprising:
Radar stock rod, comprise 6 radars, measures the height change of 6 specified points on charge level, when wherein the height of 6 specified points of radar stock rod on charge level reaches predetermined height, gathers the charge level height value of current these 6 specified points;
Apparatus for distributing, comprise a chute, and apparatus for distributing carries out cloth according to the cloth parameter;
The shape of charge level computing module, be connected to described apparatus for distributing, and the desirable shape of charge level of the cloth calculation of parameter based on apparatus for distributing also produces burden distribution matrix, and wherein this ideal shape of charge level comprises the desirable charge level height value of described 6 specified points;
Correcting module, be connected to radar stock rod and shape of charge level computing module, according to the current charge level height value of 6 specified points and the difference of desirable charge level height value, desirable shape of charge level revised, and obtains revised burden distribution matrix, specifically comprises:
Described correcting module is set the threshold value of aggregate-value e and is calculated the desirable charge level height value of 6 specified points and the aggregate-value e of the difference of current charge level height value,
When the absolute value of current aggregate-value e surpasses threshold value, adjust burden distribution matrix and produce new cloth parameter by shape of charge level computing module and optimization module, recalculating according to new cloth parameter the desirable charge level height value that obtains 6 specified points by the shape of charge level computing module and again calculate aggregate-value e;
Repeat above-mentioned step until the absolute value of current aggregate-value e is less than described threshold value, using burden distribution matrix now as revised burden distribution matrix;
Optimize module, be connected to described shape of charge level computing module, correcting module and apparatus for distributing, produce revised cloth parameter, and carry out cloth by apparatus for distributing.
5. the shape of charge level Controlling System of blast furnace material distribution as claimed in claim 4, is characterized in that,
The radar of described radar stock rod comprises high-frequency emission receiving antenna, circulator, Transmit-Receive Unit, frequency mixer and data processing circuit, measures the altitude information of 6 specified points on charge level according to rf echo signal.
6. the shape of charge level Controlling System of blast furnace material distribution as claimed in claim 4, is characterized in that, aggregate-value e is calculated as:
E=E (the desirable charge level height value aggregate-values of 6 specified points)-E (the current charge level height value aggregate-values of 6 specified points).
7. the shape of charge level Controlling System of blast furnace material distribution as claimed in claim 6, is characterized in that, described threshold value is 0.1 meter.
CN201110090527.4A 2011-04-11 2011-04-11 Burden surface profile control method of blast furnace burden distribution and control system Expired - Fee Related CN102732659B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110090527.4A CN102732659B (en) 2011-04-11 2011-04-11 Burden surface profile control method of blast furnace burden distribution and control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110090527.4A CN102732659B (en) 2011-04-11 2011-04-11 Burden surface profile control method of blast furnace burden distribution and control system

Publications (2)

Publication Number Publication Date
CN102732659A CN102732659A (en) 2012-10-17
CN102732659B true CN102732659B (en) 2014-01-08

Family

ID=46988954

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110090527.4A Expired - Fee Related CN102732659B (en) 2011-04-11 2011-04-11 Burden surface profile control method of blast furnace burden distribution and control system

Country Status (1)

Country Link
CN (1) CN102732659B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102978311B (en) * 2012-12-20 2013-12-18 武汉钢铁(集团)公司 Control method for blast furnace closed-loop distributing system
CN103472447B (en) * 2013-09-13 2015-06-10 北京科技大学 Multipoint-radar collaborative imaging device based on chute position judgment and method thereof
CN103981309B (en) * 2014-04-18 2015-07-22 攀钢集团成都钢钒有限公司 Simulation method of blast furnace burden distribution form
CN105543432A (en) * 2016-01-26 2016-05-04 莱芜钢铁集团电子有限公司 Material distribution control method for blast furnace
CN105567893B (en) * 2016-02-29 2018-03-13 中冶南方工程技术有限公司 A kind of charge surface shape in blast emulation mode
CN106521059B (en) * 2016-09-23 2018-07-10 武汉钢铁有限公司 Blast furnace charge level ore coke ratio is measured with phased-array radar to control the method for blast furnace air flow method
CN106801114B (en) * 2017-01-04 2019-02-26 东北大学 A kind of blast furnace material distribution process burden distribution matrix optimization method and system
KR102472919B1 (en) 2018-03-28 2022-11-30 제이에프이 스틸 가부시키가이샤 How to operate a blast furnace
CN110042184B (en) * 2019-05-29 2021-01-15 武汉科技大学 Method for monitoring falling of material distribution chute of blast furnace
CN111575421B (en) * 2020-03-27 2022-02-08 武汉钢铁有限公司 Method for adjusting shape of soft melt belt by scanning radar
CN112906222B (en) * 2021-02-20 2023-07-25 武汉钢铁有限公司 Cloth fluctuation detection method and device
CN113065222B (en) * 2021-02-20 2023-03-24 武汉钢铁有限公司 Method and device for evaluating state of hearth
CN115125337B (en) * 2021-03-24 2023-12-12 宝山钢铁股份有限公司 Real-time tracking method for material position in blast furnace
CN115109881A (en) * 2022-08-10 2022-09-27 广东韶钢松山股份有限公司 Method and device for distributing materials on furnace top

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1844409A (en) * 2006-03-14 2006-10-11 中南大学 Detection method and system for temperature field and charge lever distribution based on infrared imagery
CN101020933A (en) * 2007-03-16 2007-08-22 北京科技大学 Dynamic stereo monitoring system and detection method for charge surface shape in blast furnace
CN101492750A (en) * 2008-12-30 2009-07-29 北京科技大学 High furnace burden face measurement and control system based on industrial phased array radar

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5412947B2 (en) * 2008-12-29 2014-02-12 新日鐵住金株式会社 Apparatus and method for measuring profile of blast furnace interior

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1844409A (en) * 2006-03-14 2006-10-11 中南大学 Detection method and system for temperature field and charge lever distribution based on infrared imagery
CN101020933A (en) * 2007-03-16 2007-08-22 北京科技大学 Dynamic stereo monitoring system and detection method for charge surface shape in blast furnace
CN101492750A (en) * 2008-12-30 2009-07-29 北京科技大学 High furnace burden face measurement and control system based on industrial phased array radar

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
JP特开2010-174371A 2010.08.12
陈令坤.高炉布料数学模型的开发与应用.《钢铁》.2006,第41卷(第11期),13-16.
陈先中.高炉雷达料面成像系统的设计与实现.《冶金自动化》.2009,第33卷(第2期),52-56.
高炉布料数学模型的开发与应用;陈令坤;《钢铁》;20061130;第41卷(第11期);13-17 *
高炉雷达料面成像系统的设计与实现;陈先中;《冶金自动化》;20090331;第33卷(第2期);52-56 *

Also Published As

Publication number Publication date
CN102732659A (en) 2012-10-17

Similar Documents

Publication Publication Date Title
CN102732659B (en) Burden surface profile control method of blast furnace burden distribution and control system
CN103544273B (en) Method for assessing integral states of furnace conditions by aid of pattern recognition technology
CN105886680B (en) A kind of blast furnace ironmaking process molten iron silicon content dynamic soft measuring system and method
CN107368125B (en) A kind of blast furnace temperature control system and method based on CBR Yu the parallel mixed inference of RBR
CN107543199A (en) A kind of pulverized-coal fired boiler online detection of primary air and burning optimization management system
CN106521059B (en) Blast furnace charge level ore coke ratio is measured with phased-array radar to control the method for blast furnace air flow method
CN105821170A (en) Soft measuring system and method for quality indexes of multielement molten iron of blast furnace
CN104765743A (en) Method and system for displaying fired coal quality in real time
CN106594794B (en) A kind of hybrid intelligent boiler efficiency burning optimization model update method
CN102277468B (en) Real-time forecasting method of LF refining furnace molten steel temperature
CN103116282B (en) The pre-input amount Multipurpose Optimal Method of circulating fluidized bed desulfur agent
CN104531936B (en) Converter molten steel carbon content On-line Measuring Method based on Flame Image Characteristics
CN105986118A (en) Automatic water adding apparatus for mixed material in sintering machine and control method thereof
CN104865367A (en) Dry quenching coke burn-out rate real-time measurement method
CN110286608B (en) Dynamic compensation processing system and method for raw coal bunker
CN104328276A (en) Method of controlling solid fuel in sintering process, device and system
CN104232820B (en) A kind of coal powder injection setting optimization method calculated based on blast furnace blanking material speed difference
CN103033055A (en) Air volume control method and air volume control system for main exhaust fan of sintering machine
CN113884651B (en) On-line monitoring method for coal quality of coal fed into furnace of direct-fired pulverizing system of thermal power plant
CN103017533A (en) Method and system for controlling air quantity of main draft fan of sintering machine
CN202057594U (en) Coke oven heating coal charge moisture online measuring system
CN106893793A (en) The monitoring method of real-time coal powder injection rate
CN112553390A (en) Coal injection optimization control method based on Gaussian process regression
CN113265498A (en) Blast furnace type management and control method
CN103017534A (en) Method and system for controlling negative pressure of main draft fan of sintering machine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140108

Termination date: 20160411

CF01 Termination of patent right due to non-payment of annual fee