CN104561417A - Automatic control system for bell-less material distribution experiment of blast furnace - Google Patents
Automatic control system for bell-less material distribution experiment of blast furnace Download PDFInfo
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- CN104561417A CN104561417A CN201310504411.XA CN201310504411A CN104561417A CN 104561417 A CN104561417 A CN 104561417A CN 201310504411 A CN201310504411 A CN 201310504411A CN 104561417 A CN104561417 A CN 104561417A
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- plc
- computer
- cloth
- touch
- blast furnace
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- 239000000463 material Substances 0.000 title claims abstract description 19
- 238000002474 experimental method Methods 0.000 title claims abstract description 18
- 239000004744 fabric Substances 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000011159 matrix material Substances 0.000 claims description 8
- 230000004907 flux Effects 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 abstract description 6
- 238000013178 mathematical model Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 239000000571 coke Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/18—Bell-and-hopper arrangements
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses an automatic control system for a bell-less material distribution experiment of a blast furnace, which mainly comprises a PLC, a touch screen, a computer, a field execution mechanism and a concentrator, wherein the PLC, the touch screen and the computer form an Ethernet for data exchange through the concentrator, and the PLC and the field execution mechanism form a CC-Link bus network through a CC-Link master station module and a remote module. The system has high automation degree, can control the operation of experimental equipment according to experimental needs, can input any cloth parameters according to experimental needs to carry out a large number of sequence experiments, and can immediately input the observed experimental phenomenon in the experimental process through the touch screen. The method can analyze the change of each important parameter in the material distribution process, know the whole process of the material distribution, provide important data for establishing a mathematical model based on the measurement result after the analysis experiment is finished, and is a control system suitable for researching the bell-less material distribution rule of the blast furnace in a metallurgical laboratory.
Description
Technical field
A kind of blast furnace clock-free cloth experiment automatic control system, belongs to metallurgical test research equipment technical field.
Background technology is in order to study blast furnace material distribution rule, and some blast furnace man authors reduce by a certain percentage according to actual blast furnace and are made into the rule that laboratory mock-up studies blast furnace material distribution, but all without robot control system(RCS), or level of automation is low.Can not by device control, surveying instrument, setting cloth parameter, measured data of experiment combines the experiment intention realizing experimenter, and experimental flexibility is poor, and can not do a large amount of sequential experimentation according to different experiment demands, plant factor is low; The change of the Important Parameters in cloth process can not be obtained, so just lack a kind of means of the analysis to experimental measurements.
Summary of the invention
The object of this invention is to provide a kind of blast furnace clock-free cloth automatic control system, by cable and communication network by PLC, touch-screen, computer and testing installation and instrument couple together, Key Experiment equipment and instrument are set and controls, and energy online acquisition, the important parameter of display and the equipment of preservation and instrument feedback, the changing conditions of important parameter in cloth process can be analyzed, and by the important experimental phenomena in button instant typing cloth process in cloth process, as coke collapse, the complete material of actual cloth, solves the deficiency existed in background technology.
For achieving the above object, the technical solution used in the present invention is:
A kind of blast furnace clock-free cloth experiment automatic control system, this system is primarily of PLC, on-the-spot topworks, touch-screen, computer, and concentrator composition, described PLC, touch-screen, computer form Ethernet by concentrator and carry out data exchange, and described PLC and on-the-spot topworks form CC-Link bus network by CC-Link master station module and far module.
According to PLC, touch-screen, the relation of computer and these on-the-spot topworkies can be divided into three parts: (1), to the control of topworks, comprises stream control valve, Air Flow Rate Instrument, and rotating machine and the angle motor that fascinates; (2) to the collection of on-the-spot topworks feedback signal, material valve aperture is comprised, air quantity, blast; (3) to the signals collecting of PLC control unit, angle of rotation and turning angle is comprised.
Described to stream control valve, Air Flow Rate Instrument, and the control of rotating machine and tilting motor.The control signal of stream control valve, volume control damper is 4-20mA simulating signal, can automatically be opened to corresponding position by each valve of given different current value, and PLC is by the outward current of CC-Link remote analog amount output module control 4-20mA.Operator are at touch-screen input angle angle value and flux values, and PLC program can calculate corresponding current value automatically to control the aperture of each valve; Servomotor is adopted to realize to the control of angle of rotation, turning angle, PLC controls motor speed of rotation, position by special servo positioning module, servo realizes position control by Pulse Width Control, burden distribution matrix needed for operator realize in touch-screen input, PLC program can transfer umber of pulse to automatically.
The described collection to on-the-spot topworks feedback signal, comprises material valve aperture, air quantity, blast.Wherein stream control valve, air quantity, blast feedback signal are 4-20mA simulating signal.Carry out acquired signal with CC-Link remote analog amount load module, the signal collected is converted into angle value, flux values and force value by the process of PLC internal data, shows on the touchscreen and is transferred to computer.
Described comprises angle of rotation and turning angle to the signals collecting of PLC control unit, and the encoder being read servomotor its own band by PLC has been come.Encoder for servo motor can feed back the umber of pulse of current rotation to PLC, and by the internal calculation of matrix and pulse, can calculate chute angle of rotation current in cloth process and turning angle, this angle shows in real time on the touchscreen and is transferred to computer.Described touch-screen comprises 3 display frames, " real-time pictures ", and " distributing mode " and " cloth setting ", can switch arbitrarily between three pictures.Burden distribution matrix needed for operator test under " distributing mode " and " cloth setting " picture, speed of rotation, air quantity, material valve apertures etc. are relevant arrange after, get back to " real-time pictures " to the time of the phenomenon in operate and typing experimentation needed for actual cloth, the coke collapse time opening.
The angle of rotation of described real-time display and turning angle gather a numerical value every 0.1s, and display on the touchscreen, and is transferred on computer, and preserve the analysis after for experiment with certain form.
Compared with the existing technology, the present invention sets experiment key equipment and instrument and controls, and can analyze the changing conditions of important parameter in cloth process, and the important phenomenon of record cloth process.To accurately testing, the precision improving blast furnace material distribution provides valuable information.Be in particular in:
(1) level of automation is high, cloth is flexible, can experimentally need to select various distributing mode cloth as monocycle on the touchscreen, many rings, fixed point, spiral, burden distribution matrix can be set arbitrarily, air-supply, chute sense of rotation, the important parameters such as speed of rotation carry out the experiment of a sequence, obtain cloth regular;
(2) can online acquisition, display and preserve chute and rotate and fascinate, air quantity, the numerical value of blast, can analyze the micro-process of whole cloth;
(3), in the process that can perform at burden distribution matrix, experimental phenomena important in the button record cloth process that manual point touching screen designs, as material moves to chute, the complete material of actual cloth and coke collapse.Foundation for mathematical model provides important data.
Accompanying drawing illustrates:
Fig. 1: blast furnace clock-free cloth automatic control system figure of the present invention;
Fig. 2: touch-screen " real-time pictures " figure in blast furnace clock-free cloth automatic control system of the present invention;
Fig. 3: touch-screen " distributing mode " figure in blast furnace clock-free cloth automatic control system of the present invention;
Fig. 4: touch-screen " cloth setting " figure in blast furnace clock-free cloth automatic control system of the present invention;
Fig. 5: in blast furnace clock-free cloth automatic control system cloth process of the present invention, angle of rotation is schemed over time;
Fig. 6: in blast furnace clock-free cloth automatic control system cloth process of the present invention, turning angle is schemed over time.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further details.
At guarantee field apparatus, PLC, touch-screen, computer, and when concentrator normally works, in touch-screen, carry out the setting of parameter:
First: enter " distributing mode " picture, the applicable cases according to actual blast furnace is selected: many rings, clockwise, edge to center, manual distributing mode; Enter " cloth setting " picture by the switching push button below touch-screen, arrange charge number, burden distribution matrix, as described in Table 1, the speed of rotation 192 °/s of chute, speed of fascinating 6 °/s, chute stand-by station comprises angle of rotation 0 degree, the setting that turning angle is 0 degree.
Table 1: the setting of burden distribution matrix
| Gear | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| Angle (°) | 42.7 | 40.8 | 38.9 | 36.5 | 34.1 | 31.2 | 28.8 | 25.5 | 22.6 | 19.3 | 15.9 | 12.6 | 7.3 |
| The number of turns | 2 | 4 | 4 | 4 | 4 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
Then: be switched to " real-time pictures " by the switching push button below touch-screen, experimentally need the operate to scene, click " air-supply " button according to this to blow, clicking " stand-by station " button makes chute carry out reset operation, clicking " starting position " makes chute move to starting position, and click " rotates beginning ", and button makes chute start cloth operation.
Cloth operation starts rear angle of rotation, and turning angle and air quantity and blast and material flow gate aperture all can be presented at " in real-time pictures " in real time, and these values are transferred on computer for testing post analysis simultaneously.Meanwhile operator also can record the important phenomenon in experiment in experimentation, can by clicking " moving to chute ", " coke collapse " and " the complete material of actual cloth " button then PLC can move to the time of chute by record chute automatically, the time of the time that in cloth ore process, coke caves in and the complete material of actual cloth, the display of these values on the touchscreen, also can be transferred on computer for analysis simultaneously.Wherein move to the starting point of chute as timing, i.e. 0s, coke collapse event and the complete material event of actual cloth are all in this, as time zero.
After testing and finishing, finally recall the parameter of these settings on computers, real-time parameter, and the parameter of typing makes relevant chart, and carry out the analysis of experimentation, obtain chart as shown in Figure 5 and Figure 6.
Claims (1)
1. a blast furnace clock-free cloth experiment automatic control system, it is characterized in that, this system is primarily of PLC, on-the-spot topworks, touch-screen, computer, and concentrator composition, PLC, touch-screen, computer form Ethernet by concentrator and carry out data exchange, and PLC and on-the-spot topworks form CC-Link bus network by CC-Link master station module and far module;
Described on-the-spot topworks comprises: stream control valve, Air Flow Rate Instrument, blast instrument, rotating machine and tilting motor, to the control of topworks, comprises stream control valve, Air Flow Rate Instrument, and the control of rotating machine and the angle motor that fascinates; To the control of stream control valve, Air Flow Rate Instrument by operator at touch-screen input angle and flux values, PLC carries out control realization to topworks, and the display of this input value is on the touchscreen and be transferred to computer; To the control of rotating machine, tilting motor by touch-screen input burden distribution matrix, PLC program carries out calculating and controlling topworks according to input value, and the display of this input value on the touchscreen and be transferred to computer;
On-the-spot topworks feedback signal is gathered, comprises material valve aperture, air quantity, the collection of blast feedback signal; Wherein stream control valve, air quantity, blast feedback signal carry out acquired signal by CC-Link remote analog amount load module, and the signal collected is converted by the process of PLC internal data, and this value shows on the touchscreen and is transferred to computer;
Angle of rotation and turning angle are comprised to the signals collecting of PLC control unit; Read the encoder of servomotor its own band by PLC, and converted by internal data, this value real-time change in cloth process also shows on the touchscreen and is transferred to computer;
Described touch-screen comprises 3 display frames, " real-time pictures ", " distributing mode " and " cloth setting ", operator get back to " real-time pictures " to the phenomenon in operate and typing experimentation carry out arranging of experiment parameter under " distributing mode " and " cloth setting " picture after;
In the parameter of each parameters, real-time change and experimentation, the parameter of typing on the touchscreen is all transferred to computer, makes correlation graph, can analyze cloth process after experiment terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310504411.XA CN104561417B (en) | 2013-10-23 | 2013-10-23 | Automatic control system for bell-less material distribution experiment of blast furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310504411.XA CN104561417B (en) | 2013-10-23 | 2013-10-23 | Automatic control system for bell-less material distribution experiment of blast furnace |
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| Publication Number | Publication Date |
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| CN104561417A true CN104561417A (en) | 2015-04-29 |
| CN104561417B CN104561417B (en) | 2016-06-22 |
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| CN201310504411.XA Active CN104561417B (en) | 2013-10-23 | 2013-10-23 | Automatic control system for bell-less material distribution experiment of blast furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347673A (en) * | 2018-10-26 | 2019-02-15 | 苏州华兴源创科技股份有限公司 | A kind of PLC means of communication, device, equipment and storage medium |
| CN110926228A (en) * | 2019-10-31 | 2020-03-27 | 中冶宝钢技术服务有限公司 | Dismounting device and dismounting method for blanking flow regulating valve for blast furnace |
| CN112213985A (en) * | 2019-07-11 | 2021-01-12 | 上海启松自动化设备有限公司 | Touch screen monitoring method and system based on PLC |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0593215A (en) * | 1990-11-09 | 1993-04-16 | Nkk Corp | Apparatus for controlling distribution of charged materials into bell-less blast furnace |
| JP2007077427A (en) * | 2005-09-13 | 2007-03-29 | Yaskawa Electric Corp | Device for controlling thickness of raw material layer in bell-less blast furnace, and controlling method therefor |
| CN201041705Y (en) * | 2006-12-28 | 2008-03-26 | 中冶南方工程技术有限公司 | Blast furnace slot distribution and feeding simulation device |
| CN202093729U (en) * | 2011-05-26 | 2011-12-28 | 东北大学 | Material distributing simulation test device for melting gasifier |
| CN103194555A (en) * | 2013-04-12 | 2013-07-10 | 北京首钢国际工程技术有限公司 | System for researching material distribution rule of furnace top equipment |
-
2013
- 2013-10-23 CN CN201310504411.XA patent/CN104561417B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0593215A (en) * | 1990-11-09 | 1993-04-16 | Nkk Corp | Apparatus for controlling distribution of charged materials into bell-less blast furnace |
| JP2007077427A (en) * | 2005-09-13 | 2007-03-29 | Yaskawa Electric Corp | Device for controlling thickness of raw material layer in bell-less blast furnace, and controlling method therefor |
| CN201041705Y (en) * | 2006-12-28 | 2008-03-26 | 中冶南方工程技术有限公司 | Blast furnace slot distribution and feeding simulation device |
| CN202093729U (en) * | 2011-05-26 | 2011-12-28 | 东北大学 | Material distributing simulation test device for melting gasifier |
| CN103194555A (en) * | 2013-04-12 | 2013-07-10 | 北京首钢国际工程技术有限公司 | System for researching material distribution rule of furnace top equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347673A (en) * | 2018-10-26 | 2019-02-15 | 苏州华兴源创科技股份有限公司 | A kind of PLC means of communication, device, equipment and storage medium |
| CN112213985A (en) * | 2019-07-11 | 2021-01-12 | 上海启松自动化设备有限公司 | Touch screen monitoring method and system based on PLC |
| CN110926228A (en) * | 2019-10-31 | 2020-03-27 | 中冶宝钢技术服务有限公司 | Dismounting device and dismounting method for blanking flow regulating valve for blast furnace |
| CN110926228B (en) * | 2019-10-31 | 2021-04-27 | 中冶宝钢技术服务有限公司 | Dismounting device and dismounting method for blanking flow regulating valve for blast furnace |
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| Publication number | Publication date |
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| CN104561417B (en) | 2016-06-22 |
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