CN110387454A - The control system and method for steel ladle bottom argon blowing - Google Patents
The control system and method for steel ladle bottom argon blowing Download PDFInfo
- Publication number
- CN110387454A CN110387454A CN201810358708.2A CN201810358708A CN110387454A CN 110387454 A CN110387454 A CN 110387454A CN 201810358708 A CN201810358708 A CN 201810358708A CN 110387454 A CN110387454 A CN 110387454A
- Authority
- CN
- China
- Prior art keywords
- argon
- module
- personal computer
- industrial personal
- pressure
- 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.)
- Pending
Links
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 title claims abstract description 1347
- 229910052786 argon Inorganic materials 0.000 title claims abstract description 674
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 155
- 239000010959 steel Substances 0.000 title claims abstract description 155
- 238000007664 blowing Methods 0.000 title claims abstract description 125
- 238000000034 method Methods 0.000 title claims abstract description 49
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 238000013178 mathematical model Methods 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 16
- 239000007789 gas Substances 0.000 claims description 102
- 238000003723 Smelting Methods 0.000 claims description 32
- 239000011449 brick Substances 0.000 claims description 25
- 230000000087 stabilizing effect Effects 0.000 claims description 24
- 230000009467 reduction Effects 0.000 claims description 9
- 230000008439 repair process Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 230000003044 adaptive effect Effects 0.000 abstract description 4
- 230000001276 controlling effect Effects 0.000 description 53
- 238000010079 rubber tapping Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/072—Treatment with gases
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses a kind of control system of steel ladle bottom argon blowing and methods.Wherein, the control system of steel ladle bottom argon blowing for industrial personal computer includes: industrial personal computer Argon control module and industrial personal computer transmission module, industrial personal computer Argon control module is interacted with industrial personal computer transmission module, and industrial personal computer Argon control module includes: industrial personal computer Argon starting module, data obtaining module, mathematical model distribution module, Argon mode selection module, the first computing module and industrial personal computer Argon closedown module.The System for Blowing Argon at Bottom for being used for industrial personal computer establishes the Argon mathematical model smelted outside all steel kind furnace, different mathematics can be automatically selected according to different steel grades, to realize the full-automatic regulation of ladle argon-blown process argon pressure and flow control, long-range industrial personal computer control is provided simultaneously and on-site terminal controls two kinds of control models, the different demands controlled with adaptive technique personnel steel ladle bottom argon blowing.
Description
Technical field
The present invention relates to steelmaking technical fields, in particular to the control system and method for a kind of steel ladle bottom argon blowing.
Background technique
The Control System of Argon Stirring From Bottom of Ladle put into operation at present, usually ladle bottom using two blocks of independent air bricks into
The control of row Argon.The technical solution of existing steel ladle bottom argon blowing control has the following deficiencies: that argon flow distribution often occurs in (1)
Uneven phenomenon, argon flow, which is crossed conference and blown, wears liquid steel level splash occurs, and causes the exposed oxidation of molten steel, field trash to increase, argon
Throughput is too small, cannot quickly stir, and the purpose of removal of inclusions is not achieved；(2) scene does not have operating terminal, causes worker
Field labor intensity it is big；(3) the degree of automation of Control System of Argon Stirring From Bottom of Ladle falls behind, and does not take and controls steel ladle bottom argon blowing
The measure that is collected of process data, and do not provide the traceable approach of the process data to steel ladle bottom argon blowing control.
Summary of the invention
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, the first object of the present invention is to propose a kind of control system of steel ladle bottom argon blowing for industrial personal computer.
The second object of the present invention is to propose a kind of control system of steel ladle bottom argon blowing for on-site terminal.
The third object of the present invention is to propose a kind of control method of steel ladle bottom argon blowing for industrial personal computer.
The fourth object of the present invention is to propose a kind of control method of steel ladle bottom argon blowing for on-site terminal.
The fifth object of the present invention is to propose a kind of control system of steel ladle bottom argon blowing.
To achieve the goals above, the technical solution of the first aspect of the present invention provides a kind of steel for industrial personal computer
The control system of packet BOTTOM ARGON BLOWING, the industrial personal computer and on-site terminal are interacted with PLC controller, the PLC controller with
Executing agency is connected, and for controlling executing agency's movement, the executing agency is connected with Ar inlet and argon gas export,
The argon gas export is connected to the air brick of ladle bottom；It is characterized in that, the control of the steel ladle bottom argon blowing for industrial personal computer
System processed includes: industrial personal computer Argon control module and industrial personal computer transmission module, the industrial personal computer Argon control module and industrial personal computer
Transmission module interacts, the industrial personal computer Argon control module include: industrial personal computer Argon starting module, data obtaining module,
Mathematical model distribution module, Argon mode selection module, the first computing module and industrial personal computer Argon closedown module；The industrial personal computer
Argon starting module starts Argon application program for receiving starting Argon application program instructions；The data obtaining module,
For obtaining ladle information and steel grade information；The mathematical model distribution module, for according to the ladle information and
Steel grade information distributes the mathematical model of the argon gas demand in each smelting stage of current steel grade；First computing module, is used for
According to the mathematical model, the argon flow theoretical value and argon pressure theoretical value in each smelting stage of current steel grade are calculated；Institute
State Argon mode selection module, for receiving Argon mode selection command, the Argon mode include: long-range industrial personal computer control and
On-site terminal control；The industrial personal computer transmission module, for sending the argon gas when receiving long-range industrial personal computer control instruction
Flow theory value and argon pressure theoretical value are to PLC controller, so that the PLC controller controls executing agency's movement；
The industrial personal computer transmission module is also used to when receiving on-site terminal control instruction, and sending allows on-site terminal control instruction
And the argon flow theoretical value and argon pressure theoretical value are to on-site terminal；The industrial personal computer Argon closedown module, is used for
It receives and stops Argon instruction, and send the instruction to PLC controller, so that PLC controller control executing agency's stopping is dynamic
Make, closes Argon application program.
Preferably, the industrial personal computer Argon control module further include: the second computing module and third computing module；The work
Control machine transmission module, the argon flow for being also used to receive each smelting stage for the current steel grade that PLC controller is sent in real time are practical
Value and argon pressure actual value；Second computing module, for practical according to the argon flow actual value, argon pressure
Value, argon flow theoretical value and argon pressure theoretical value, judge whether the normal Argon controlling brancher of the executing agency occurs
Failure, and determine that its fault type, the fault type include quality stream when the normal Argon controlling brancher breaks down
Amount controller failure, solenoid valve failure, pressure sensor failure and pressure reducing valve failure；The third computing module, in institute
When stating normal Argon controlling brancher and not breaking down, according to the argon flow actual value, argon pressure actual value, argon flow
Theoretical value and argon pressure theoretical value, calculate the correction value of the executing agency, and it is default to judge whether the correction value meets
Range；The industrial personal computer transmission module is also used to send the correction value extremely when the correction value does not meet preset range
PLC controller, so that the PLC controller controls executing agency's movement, until the third computing module calculates
Correction value meet the preset range；The industrial personal computer transmission module is also used to occur in the normal Argon controlling brancher
When mass flow controller failure, solenoid valve failure, pressure sensor failure and/or pressure reducing valve failure, mass flow control is sent
Device fault message, solenoid valve failure information, pressure sensor failure information and/or pressure reducing valve fault message processed to PLC controller,
So that the PLC controller controls executing agency's movement.
Preferably, the industrial personal computer Argon control module further include: key frame display module, control mode selecting module,
Setting value input module and setting value display module；The key frame display module, for receiving long-range industrial personal computer control
After instruction, the enabled instruction of industrial personal computer key frame, the key frame of display industrial personal computer Argon control are received；The control mode selects mould
Block, the control mode selection instruction of each Argon controlling brancher for receiving the executing agency, the control mode include:
Manual control mode and automatic control mode；The setting value display module, for when receive manual control mode instruction when,
Show the display of the argon pressure setting value, argon flow setting value and/or Argon duration setting value of current Argon controlling brancher
Frame；The setting value input module inputs the argon pressure setting for receiving when receiving manual control mode instruction
The instruction of value, argon flow setting value and/or Argon duration setting value；The industrial personal computer transmission module is also used to receive
The input instruction of the argon pressure setting value, argon flow setting value and/or Argon duration setting value of current Argon controlling brancher
When, it sends the input and instructs to PLC controller, so that the PLC controller controls executing agency's movement.
The technical solution of the second aspect of the present invention provides a kind of control system of steel ladle bottom argon blowing for on-site terminal
System, industrial personal computer and the on-site terminal are interacted with PLC controller, and the PLC controller is connected with executing agency, are used
In controlling executing agency's movement, the executing agency is connected with Ar inlet and argon gas export, the argon gas export connection
To the air brick of ladle bottom；It is characterized in that, the control system of the steel ladle bottom argon blowing for on-site terminal includes: scene
Terminal transmission module and on-site terminal Argon control module, the on-site terminal transmission module and on-site terminal Argon control module
It interacts, the on-site terminal Argon control module includes: on-site terminal Argon starting module, on-site terminal data display mould
Block, on-site terminal Argon closedown module, fast velocity modulation flow module, fine tuning flow module and the broken top functional module of bypass；The scene is eventually
Argon starting module is held, for receiving starting Argon application program instructions, starts Argon application program；The on-site terminal transmission
Module, for receiving the argon flow theoretical value and argon that allow each smelting stage of on-site terminal control instruction and current steel grade
Atmospheric pressure theoretical value, and the argon flow theoretical value and argon pressure theoretical value are sent to PLC controller, for the PLC
Controller controls executing agency's movement；The on-site terminal transmission module, is also used to receive what PLC controller was sent in real time
The argon flow actual value and argon pressure actual value in each smelting stage of current steel grade；The on-site terminal data show mould
Block, for argon pressure actual value and argon flow actual value described in real-time display；The fast velocity modulation flow module, it is weak for receiving
Argon control instruction or strong Argon control instruction, and the instruction is sent to PLC controller, for holding described in PLC controller control
Row mechanism action；The fine tuning flow module increases argon blowing rate control instruction or reduction argon blowing rate control instruction for receiving,
And the instruction is sent to PLC controller, so that PLC controller controls executing agency's movement；The broken top function mould of bypass
Block increases the instruction of argon blowing rate to preset value for receiving, and sends the instruction to PLC controller, for PLC controller control
Make executing agency's movement；The on-site terminal Argon closedown module stops Argon instruction for receiving, and sends the instruction
Argon application program is closed to PLC controller so that PLC controller controls executing agency's stopping movement.
The technical solution of the third aspect of the present invention provides a kind of controlling party of steel ladle bottom argon blowing for industrial personal computer
Method, the industrial personal computer and on-site terminal are interacted with PLC controller, and the PLC controller is connected with executing agency, are used
In controlling executing agency's movement, the executing agency is connected with Ar inlet and argon gas export, the argon gas export connection
To the air brick of ladle bottom；It is characterized in that, the control method of the steel ladle bottom argon blowing for industrial personal computer includes: that reception is opened
Dynamic Argon application program instructions, start Argon application program；Obtain ladle information and steel grade information；According to the ladle number
Information and steel grade information distribute the mathematical model of the argon gas demand in each smelting stage of current steel grade；According to the mathematical modulo
Type calculates the argon flow theoretical value and argon pressure theoretical value in each smelting stage of current steel grade；Receive Argon model selection
Instruction, the Argon mode include: long-range industrial personal computer control and on-site terminal control；When receiving long-range industrial personal computer control instruction
When, the argon flow theoretical value and argon pressure theoretical value are sent to PLC controller, so that the PLC controller controls institute
State executing agency's movement；When receiving on-site terminal control instruction, sending allows on-site terminal control instruction and the argon
Throughput theoretical value and argon pressure theoretical value are to on-site terminal；It receives and stops Argon instruction, and send the instruction to PLC control
Device closes Argon application program so that PLC controller controls executing agency's stopping movement.
Preferably, the control method of the steel ladle bottom argon blowing for industrial personal computer further include: it is real-time to receive PLC controller
The argon flow actual value and argon pressure actual value in each smelting stage of the current steel grade sent；It is real according to the argon flow
Actual value, argon pressure actual value, argon flow theoretical value and argon pressure theoretical value judge the normal Argon of the executing agency
Whether controlling brancher breaks down, and its fault type is determined when the normal Argon controlling brancher breaks down, the event
Hindering type includes mass flow controller failure, solenoid valve failure, pressure sensor failure and pressure reducing valve failure；Described normal
When Argon controlling brancher does not break down, according to the argon flow actual value, argon pressure actual value, argon flow theoretical value
With argon pressure theoretical value, the correction value of the executing agency is calculated, and judges whether the correction value meets preset range；In
When the correction value does not meet preset range, the correction value is sent to PLC controller, so that the PLC controller controls institute
Executing agency's movement is stated, until the correction value calculated meets the preset range；It is sent out in the normal Argon controlling brancher
When raw mass flow controller failure, solenoid valve failure, pressure sensor failure and/or pressure reducing valve failure, mass flow is sent
Controller failure information, solenoid valve failure information, pressure sensor failure information and/or pressure reducing valve fault message to PLC control
Device, so that the PLC controller controls executing agency's movement.
Preferably, the control method of the steel ladle bottom argon blowing for industrial personal computer further include: receiving long-range industry control
After machine control instruction, the enabled instruction of industrial personal computer key frame, the key frame of display industrial personal computer Argon control are received；Receive the execution
The control mode selection instruction of each Argon controlling brancher of mechanism, the control mode include: manual control mode and automatic
Control mode；When receiving manual control mode instruction, argon pressure setting value, the argon gas of current Argon controlling brancher are shown
The display box of flow setting value and/or Argon duration setting value；It receives and inputs the argon pressure setting value, argon flow setting
The instruction of value and/or Argon duration setting value；When argon pressure setting value, the argon flow for receiving current Argon controlling brancher
It when the input instruction of setting value and/or Argon duration setting value, sends the input and instructs to PLC controller, for PLC control
Device processed controls executing agency's movement.
The technical solution of the fourth aspect of the present invention provides a kind of controlling party of steel ladle bottom argon blowing for on-site terminal
Method, industrial personal computer and the on-site terminal are interacted with PLC controller, and the PLC controller is connected with executing agency, are used
In controlling executing agency's movement, the executing agency is connected with Ar inlet and argon gas export, the argon gas export connection
To the air brick of ladle bottom；It is characterized in that, the control method of the steel ladle bottom argon blowing for on-site terminal includes: to receive
Start Argon application program instructions, starts Argon application program；Receiving allows on-site terminal control instruction and current steel grade
Each argon flow theoretical value and argon pressure theoretical value for smelting the stage, and send the argon flow theoretical value and argon pressure
Theoretical value is to PLC controller, so that the PLC controller controls executing agency's movement；PLC controller is received to send in real time
Current steel grade each smelting stage argon flow actual value and argon pressure actual value；Argon pressure described in real-time display is real
Actual value and argon flow actual value；Soft argon blowing control instruction or strong Argon control instruction are received, receives and increases argon blowing rate control
Instruction reduces argon blowing rate control instruction, and/or receives and increase the instruction of argon blowing rate to preset value, and transmits and receives and arrive
Instruction to PLC controller, so that PLC controller controls executing agency's movement；It receives and stops Argon instruction, and sending should
Instruction closes Argon application program to PLC controller so that PLC controller controls executing agency's stopping movement.
The technical solution of the fifth aspect of the present invention provides a kind of control system of steel ladle bottom argon blowing, comprising: industry control
Machine, PLC controller, executing agency and an at least on-site terminal, which is characterized in that the industrial personal computer is by adopting the above technical scheme
Described in the steel ladle bottom argon blowing for industrial personal computer control system；The on-site terminal by adopting the above technical scheme described in
The control system of steel ladle bottom argon blowing for on-site terminal；The executing agency specifically includes: low-pressure argon source, low-pressure argon are defeated
Enter unit, high pressure argon gas source, high pressure argon gas input unit, pressure stabilizing input unit, pressure stabilizing packet and at least a set of argon gas output unit；
Wherein, one end of the low-pressure argon input unit connects the low-pressure argon source, and the other end is inputted single by the pressure stabilizing
Member is connected to the input terminal of the pressure stabilizing packet；One end of the high pressure argon gas input unit connects the high pressure argon gas source, another
One end is connected to the input terminal of the pressure stabilizing packet by the pressure stabilizing input unit；The output end of the pressure stabilizing packet is connected to described
The output end of the input terminal of argon gas output unit, the argon gas output unit is connected to argon gas export；The argon gas output unit
Branch is exported including the first argon gas output branch, the second argon gas output branch and third argon gas parallel with one another.
Preferably, the control system of the steel ladle bottom argon blowing further include: database module, the database module setting
On the industrial personal computer and/or the on-site terminal, for storing the process data of steel ladle bottom argon blowing control, and according to the mistake
Number of passes factually when generate Argon historical data report；The database module is also used to receive the inquiry Argon historical data
The instruction of report.
Beneficial effects of the present invention:
1, the Argon mathematical model smelted outside all steel kind furnace is established, different mathematics can be automatically selected according to different steel grades
Model to realize the full-automatic regulation of ladle argon-blown process argon pressure and flow control, while providing long-range industrial personal computer control
Two kinds of control models, the different demands controlled with adaptive technique personnel steel ladle bottom argon blowing are controlled with on-site terminal；Ladle bottom blowing
Argon, it can be achieved that carry out the opened loop control of accurate Argon to the every place's air brick of ladle, realizes steel under long-range industrial personal computer control model
The increasingly automated operation of packet BOTTOM ARGON BLOWING, saves a large amount of human resources；
2, it when the normal Argon controlling brancher of executing agency does not break down, realizes and essence is carried out to the every place's air brick of ladle
The closed-loop control of true Argon improves the Argon control precision of the every place's air brick of ladle, to improve production efficiency and steel-making matter
Amount；Mass flow controller failure, solenoid valve failure, pressure sensor event occurs in the normal Argon controlling brancher of executing agency
When barrier and/or pressure reducing valve failure, automatically controls executing agency and switch Argon controlling brancher, ensure that and event occurs in electronic component
The control system of the steel ladle bottom argon blowing operates normally when barrier；
3, the control system of the steel ladle bottom argon blowing for being used for industrial personal computer, which provides, automatically controls and manually controls two kinds of control moulds
Formula, the different demands that steel ladle bottom argon blowing is controlled with adaptive technique personnel；
4, pass through the argon flow actual value and Ar Pressure in each smelting stage of the current steel grade of terminal real-time display at the scene
Power actual value, so that terminal can observe the detection data during steel ladle bottom argon blowing to worker at any time at the scene, and at the scene
Corresponding operating is carried out in terminal to achieve the purpose that adjust argon flow and pressure；And previous scene does not have operating terminal, needs
Detection data observed in executing agency by worker and be conveyed to industrial personal computer room, then carry out corresponding operating on industrial personal computer, with
Previous methods are compared, and the field labor which greatly reduces worker is strong
Degree；
5, the MANUAL CONTROL mode of on-site terminal is provided, to realize steel ladle bottom argon blowing start and stop, bypass broken top function, quick
The simple operations such as stream and fine tuning stream are adjusted, to achieve the purpose that adjust argon flow and pressure；The broken top function of bypass can provide larger
Pressure blow the air brick of blocking open, to guarantee the normal beginning of steel ladle bottom argon blowing control, control the ventilative of main line for Argon
Brick provides repair function；
6, the process data that the control system of the steel ladle bottom argon blowing can control steel ladle bottom argon blowing is collected, and is passed through
The process data that access database module controls steel ladle bottom argon blowing is inquired, and is reached and is crossed number of passes to steel ladle bottom argon blowing control
According to traceable purpose.
Additional aspect and advantage of the invention will become obviously in the following description, or practice understanding through the invention
It arrives.
Detailed description of the invention
Fig. 1 shows the schematic block of the control system of the steel ladle bottom argon blowing for industrial personal computer of one embodiment of the present of invention
Figure；
Fig. 2 shows the signals of the control system of the steel ladle bottom argon blowing for on-site terminal of one embodiment of the present of invention
Block diagram；
Fig. 3 shows the signal stream of the control method of the steel ladle bottom argon blowing for industrial personal computer of one embodiment of the present of invention
Cheng Tu；
Fig. 4 shows the signal of the control method of the steel ladle bottom argon blowing for on-site terminal of one embodiment of the present of invention
Flow chart；
Fig. 5 shows the overall schematic of the control system of the steel ladle bottom argon blowing of one embodiment of the present of invention；
Fig. 6 shows the schematic diagram of the executing agency in Fig. 5.
Wherein, 1-industrial personal computer, 2-on-site terminals, 3-PLC controllers, 4-executing agencies, 5-Ar inlets, 6-argons
Gas outlet, 7-ladles, 8-air bricks, 9-interchangers, 10-low-pressure argon sources, 11-low-pressure argon input units, 12-is high
Press argon gas source, 13-high pressure argon gas input units, 14-pressure stabilizing input units, 15-pressure stabilizing packets, 16-argon gas output units.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not limited to following public affairs
The limitation for the specific embodiment opened.
As shown in Figure 1, a kind of control system of the steel ladle bottom argon blowing for industrial personal computer, the industrial personal computer and on-site terminal are equal
It is interacted with PLC controller, the PLC controller is connected with executing agency, for controlling executing agency's movement, institute
It states executing agency and is connected with Ar inlet and argon gas export, the argon gas export is connected to the air brick of ladle bottom；The use
In the control system of the steel ladle bottom argon blowing of industrial personal computer include: industrial personal computer Argon control module 102 and industrial personal computer transmission module 128,
The industrial personal computer Argon control module 102 is interacted with industrial personal computer transmission module 128, the industrial personal computer Argon control module
102 include: industrial personal computer Argon starting module 104, data obtaining module 106, the calculating mould of mathematical model distribution module 108, first
Block 110, Argon mode selection module 112 and industrial personal computer Argon closedown module 114.
The industrial personal computer Argon starting module 104 starts Argon application journey for receiving starting Argon application program instructions
Sequence；The data obtaining module 106, for obtaining ladle information and steel grade information；The mathematical model distribution module
108, for distributing the number of the argon gas demand in each smelting stage of current steel grade according to the ladle information and steel grade information
Learn model；First computing module 110, for calculating the argon in each smelting stage of current steel grade according to the mathematical model
Throughput theoretical value and argon pressure theoretical value；The Argon mode selection module 112 refers to for receiving Argon model selection
It enables, the Argon mode includes: long-range industrial personal computer control and on-site terminal control；The industrial personal computer transmission module 128, for working as
When receiving long-range industrial personal computer control instruction, the argon flow theoretical value and argon pressure theoretical value are sent to PLC controller,
So that the PLC controller controls executing agency's movement；The industrial personal computer transmission module 128 is also used to existing when receiving
When the terminal control instruction of field, sending allows on-site terminal control instruction and the argon flow theoretical value and argon pressure theoretical
It is worth to on-site terminal；The industrial personal computer Argon closedown module 114 stops Argon instruction for receiving, and sends the instruction to PLC
Controller closes Argon application program so that PLC controller controls executing agency's stopping movement.
In the present embodiment, the industrial personal computer Argon control module 102 further include: the second computing module 116 and third meter
Calculate module 118；The industrial personal computer transmission module 128 is also used to receive each smelting for the current steel grade that PLC controller is sent in real time
The argon flow actual value and argon pressure actual value in stage；Second computing module 116, for according to the argon flow
Actual value, argon pressure actual value, argon flow theoretical value and argon pressure theoretical value judge normally blowing for the executing agency
Whether argon controlling brancher breaks down, and determines its fault type when the normal Argon controlling brancher breaks down, described
Fault type includes mass flow controller failure, solenoid valve failure, pressure sensor failure and pressure reducing valve failure；The third
Computing module 118, for when the normal Argon controlling brancher does not break down, according to the argon flow actual value, argon
Atmospheric pressure actual value, argon flow theoretical value and argon pressure theoretical value, calculate the correction value of the executing agency, and judge institute
State whether correction value meets preset range；The industrial personal computer transmission module 128 is also used to not meet default model in the correction value
When enclosing, the correction value is sent to PLC controller, so that the PLC controller controls executing agency's movement, until described
The correction value that third computing module 118 calculates meets preset range；The industrial personal computer transmission module 128, is also used in institute
It states normal Argon controlling brancher and mass flow controller failure, solenoid valve failure, pressure sensor failure and/or pressure reducing valve occurs
When failure, mass flow controller fault message, solenoid valve failure information, pressure sensor failure information and/or decompression are sent
Valve fault message is to PLC controller, so that the PLC controller controls executing agency's movement.
In the present embodiment, the industrial personal computer Argon control module 102 further include: key frame display module 120, controlling party
Formula selecting module 122, setting value display module 124 and setting value input module 126；The key frame display module 120, is used for
After receiving long-range industrial personal computer control instruction, the enabled instruction of industrial personal computer key frame, the master of display industrial personal computer Argon control are received
Picture；The control mode selecting module 122, the control mode of each Argon controlling brancher for receiving the executing agency
Selection instruction, the control mode include: manual control mode and automatic control mode；The setting value display module 124 is used
In when receiving manual control mode instruction, show that argon pressure setting value, the argon flow of current Argon controlling brancher are set
The display box of definite value and/or Argon duration setting value；The setting value input module 126 receives the side of manually controlling for working as
When formula instructs, the instruction for inputting the argon pressure setting value, argon flow setting value and/or Argon duration setting value is received；
The industrial personal computer transmission module 128 is also used to when argon pressure setting value, the argon flow for receiving current Argon controlling brancher
It when the input instruction of setting value and/or Argon duration setting value, sends the input and instructs to PLC controller, for PLC control
Device processed controls executing agency's movement.
As shown in Fig. 2, a kind of control system of the steel ladle bottom argon blowing for on-site terminal, industrial personal computer and the on-site terminal
Being interacted with PLC controller, the PLC controller is connected with executing agency, for controlling executing agency's movement,
The executing agency is connected with Ar inlet and argon gas export, and the argon gas export is connected to the air brick of ladle bottom；It is described
The control system of steel ladle bottom argon blowing for on-site terminal includes: on-site terminal transmission module 202 and the control of on-site terminal Argon
Module 204, the on-site terminal transmission module 202 are interacted with on-site terminal Argon control module 204, the on-site terminal
Argon control module 204 includes: on-site terminal Argon starting module 206, on-site terminal data disaply moudle 208, on-site terminal
Argon closedown module 210, fast velocity modulation flow module 212, fine tuning flow module 214 and the broken top functional module 216 of bypass.
The on-site terminal Argon starting module 206 starts Argon application for receiving starting Argon application program instructions
Program；The on-site terminal transmission module 202, for receiving each smelting for allowing on-site terminal control instruction and current steel grade
The argon flow theoretical value and argon pressure theoretical value in stage, and send the argon flow theoretical value and argon pressure theoretical value
To PLC controller, so that the PLC controller controls executing agency's movement；The on-site terminal transmission module 202, also
Argon flow actual value and argon pressure for receiving each smelting stage for the current steel grade that PLC controller is sent in real time is practical
Value；The on-site terminal data disaply moudle 208, it is practical for argon pressure actual value and argon flow described in real-time display
Value；The fast velocity modulation flow module 212 for receiving soft argon blowing control instruction or strong Argon control instruction, and sends the instruction extremely
PLC controller, so that PLC controller controls executing agency's movement；The fine tuning flow module 214 is blown for receiving to increase
Argon flow control instruction reduces argon blowing rate control instruction, and sends the instruction to PLC controller, for PLC controller control
Make executing agency's movement；The broken top functional module 216 of bypass, for receiving the finger for increasing argon blowing rate to preset value
It enables, and sends the instruction to PLC controller, so that PLC controller controls executing agency's movement；The on-site terminal Argon
Closedown module 210 stops Argon instruction for receiving, and sends the instruction to PLC controller, so that PLC controller controls institute
Executing agency's stopping movement being stated, Argon application program is closed.
As shown in figure 3, a kind of control method of steel ladle bottom argon blowing for industrial personal computer of one embodiment of the present of invention, institute
It states industrial personal computer and on-site terminal is interacted with PLC controller, the PLC controller is connected with executing agency, for controlling
Executing agency's movement is made, the executing agency is connected with Ar inlet and argon gas export, and the argon gas export is connected to steel
Wrap the air brick of bottom；The control method of steel ladle bottom argon blowing for industrial personal computer includes:
Step 302, starting Argon application program instructions are received, Argon application program is started；
Step 304, ladle information and steel grade information are obtained；
Step 306, according to the ladle information and steel grade information, the argon gas in each smelting stage of current steel grade is distributed
The mathematical model of demand；
Step 308, according to the mathematical model, the argon flow theoretical value and argon in each smelting stage of current steel grade are calculated
Atmospheric pressure theoretical value；
Step 310, Argon mode selection command is received, the Argon mode includes: that long-range industrial personal computer control and scene are whole
End control；
Step 312, when receiving long-range industrial personal computer control instruction, the argon flow theoretical value and argon pressure are sent
Theoretical value is to PLC controller, so that the PLC controller controls executing agency's movement；
Step 314, when receiving on-site terminal control instruction, sending allows on-site terminal control instruction and the argon
Throughput theoretical value and argon pressure theoretical value are to on-site terminal；
Step 316, it receives and stops Argon instruction, and send the instruction to PLC controller, so that PLC controller controls institute
Executing agency's stopping movement being stated, Argon application program is closed.
In the present embodiment, the Argon mathematical model smelted outside all steel kind furnace is established, can be selected automatically according to different steel grades
Different mathematical models is selected, to realize the full-automatic regulation of ladle argon-blown process argon pressure and flow control, while being provided remote
The control of journey industrial personal computer and on-site terminal control two kinds of control models, are needed with adaptive technique personnel to the difference that steel ladle bottom argon blowing controls
It asks；Steel ladle bottom argon blowing is under long-range industrial personal computer control model, it can be achieved that carrying out the open loop of accurate Argon to the every place's air brick of ladle
Control, realizes the increasingly automated operation of steel ladle bottom argon blowing, saves a large amount of human resources.
In the present embodiment, the control method of the steel ladle bottom argon blowing for being used for industrial personal computer, further includes: receive PLC controller
The argon flow actual value and argon pressure actual value in each smelting stage of the current steel grade sent in real time；According to the argon gas stream
Actual value, argon pressure actual value, argon flow theoretical value and argon pressure theoretical value are measured, judges the normal of the executing agency
Whether Argon controlling brancher breaks down, and determines its fault type, institute when the normal Argon controlling brancher breaks down
Stating fault type includes mass flow controller failure, solenoid valve failure, pressure sensor failure and pressure reducing valve failure；Described
When normal Argon controlling brancher does not break down, managed according to the argon flow actual value, argon pressure actual value, argon flow
By value and argon pressure theoretical value, the correction value of the executing agency is calculated, and judge whether the correction value meets default model
It encloses；When the correction value does not meet preset range, the correction value is sent to PLC controller, for the PLC controller control
Executing agency's movement is made, until the correction value calculated meets the preset range；In the normal Argon control branch
When mass flow controller failure, solenoid valve failure, pressure sensor failure and/or pressure reducing valve failure occur for road, quality is sent
Flow controller fault message, solenoid valve failure information, pressure sensor failure information and/or pressure reducing valve fault message are to PLC
Controller, so that the PLC controller controls executing agency's movement.
In the present embodiment, when the normal Argon controlling brancher of executing agency does not break down, by sending correction value
It is real until the correction value calculated meets preset range for the movement of PLC controller control executing agency to PLC controller
The closed-loop control that accurate Argon is now carried out to the every place's air brick of ladle improves the Argon control precision of the every place's air brick of ladle,
To improve production efficiency and steel-making quality.
Mass flow controller failure, solenoid valve failure, pressure occurs in the normal Argon controlling brancher of executing agency to pass
When sensor failure and/or pressure reducing valve failure, by sending mass flow controller fault message, solenoid valve failure information, pressure
Sensor fault information and/or pressure reducing valve fault message are moved to PLC controller so that PLC controller controls the executing agency
Make, when the electronic component of normal Argon controlling brancher breaks down, to automatically control executing agency's switching Argon control
Branch ensure that the control system of the steel ladle bottom argon blowing when electronic component breaks down operates normally.
In the present embodiment, the control method of the steel ladle bottom argon blowing for being used for industrial personal computer, further includes: receiving long-range work
After control machine control instruction, the enabled instruction of industrial personal computer key frame, the key frame of display industrial personal computer Argon control are received；It is held described in reception
The control mode selection instruction of each Argon controlling brancher of row mechanism, the control mode include: manual control mode and oneself
Dynamic control mode；When receiving manual control mode instruction, argon pressure setting value, the argon of current Argon controlling brancher are shown
The display box of throughput setting value and/or Argon duration setting value；It receives and inputs the argon pressure setting value, argon flow is set
The instruction of definite value and/or Argon duration setting value；When argon pressure setting value, the argon gas stream for receiving current Argon controlling brancher
When the input instruction of amount setting value and/or Argon duration setting value, sends the input and instruct to PLC controller, for the PLC
Controller controls executing agency's movement.
In the present embodiment, the automatic control of long-range industry control generator terminal is provided and manually controls two kinds of control models, to adapt to
The different demands that technical staff controls steel ladle bottom argon blowing.
As shown in figure 4, the control method of the steel ladle bottom argon blowing for on-site terminal of one embodiment of the present of invention, industry control
Machine and the on-site terminal are interacted with PLC controller, and the PLC controller is connected with executing agency, for controlling
Executing agency's movement, the executing agency are connected with Ar inlet and argon gas export, and the argon gas export is connected to ladle
The air brick of bottom；The control method of steel ladle bottom argon blowing for on-site terminal includes:
Step 402, starting Argon application program instructions are received, Argon application program is started；
Step 404, receiving allows the argon flow in each smelting stage of on-site terminal control instruction and current steel grade to manage
By value and argon pressure theoretical value, the argon flow theoretical value and argon pressure theoretical value are sent to PLC controller, for institute
It states PLC controller and controls executing agency's movement；
Step 406, receive each smelting stage of current steel grade that PLC controller is sent in real time argon flow actual value and
Argon pressure actual value；
Step 408, argon pressure actual value and argon flow actual value described in real-time display；
Step 410, soft argon blowing control instruction or strong Argon control instruction are received, receive increase argon blowing rate control instruction or
Reduce argon blowing rate control instruction, and/or receives and increase the instruction of argon blowing rate to preset value, and the instruction transmitted and received
To PLC controller, so that PLC controller controls executing agency's movement；
Step 412, it receives and stops Argon instruction, and send the instruction to PLC controller, so that PLC controller controls institute
Executing agency's stopping movement being stated, Argon application program is closed.
In the present embodiment, practical by the argon flow in each smelting stage of the current steel grade of terminal real-time display at the scene
Value and argon pressure actual value, so that terminal can observe the testing number during steel ladle bottom argon blowing to worker at any time at the scene
According to, and corresponding operating is carried out to achieve the purpose that adjust argon flow and pressure in terminal at the scene；And previous scene does not have
Operating terminal needs to observe detection data in executing agency by worker and is conveyed to industrial personal computer room, then carries out on industrial personal computer
Corresponding operating, compared with previous methods, which greatly reduces worker
Field labor intensity.
In the present embodiment, the MANUAL CONTROL mode of on-site terminal is provided, to realize that steel ladle bottom argon blowing start and stop, bypass are broken
The simple operations such as function, fast velocity modulation stream and fine tuning stream are pushed up, to achieve the purpose that adjust argon flow and pressure.
As shown in figure 5, a kind of control system of steel ladle bottom argon blowing of one embodiment of the present of invention, comprising: industrial personal computer 1,
PLC controller 3, executing agency 4 and two on-site terminals 2, the industrial personal computer 1 is using use described in any of the above-described technical solution
In the control system of the steel ladle bottom argon blowing of industrial personal computer；The on-site terminal 2 uses to be used for described in any of the above-described technical solution
The control system of the steel ladle bottom argon blowing of on-site terminal；The industrial personal computer 1, executing agency 4 and on-site terminal 2 are controlled with the PLC
Device 3 processed is connected, and there are two Ar inlet 5 and two argon gas exports 6 for the connection of executing agency 4, and 7 bottom of ladle is equipped with two pieces
Air brick 8, the argon gas export 6 are connected to the air brick 8 of 7 bottom of ladle, and the PLC controller 3 is for controlling the execution
Mechanism 4 acts；The industrial personal computer 1 and on-site terminal 2 are communicated by interchanger 9 with PLC controller 3, the industrial personal computer 1
It is connected to the two grade network of steel mill.
As shown in fig. 6, the executing agency 4 specifically includes: low-pressure argon source 10, low-pressure argon input unit 11, high pressure
Argon gas source 12, high pressure argon gas input unit 13, pressure stabilizing input unit 14, pressure stabilizing packet 15 and two sets of argon gas output units 16；Wherein,
One end of the low-pressure argon input unit 11 connects the low-pressure argon source 10, and the other end passes through the pressure stabilizing input unit
14 are connected to the input terminal of the pressure stabilizing packet 15；One end of the high pressure argon gas input unit 13 connects the high pressure argon gas source
12, the other end is connected to the input terminal of the pressure stabilizing packet 15 by the pressure stabilizing input unit 14；The pressure stabilizing packet 15 it is defeated
Outlet is connected to the input terminal of the argon gas output unit 16, and the output end of the argon gas output unit 16 is connected to argon gas export
6；The argon gas output unit 16 includes the first argon gas output branch, the second argon gas output branch and third argon gas parallel with one another
Export branch.
The low-pressure argon input unit 11 is provided with second gas filter, second pressure gauge and second solenoid valve, institute
It states high pressure argon gas input unit 13 and is provided with first gas filter, first pressure gauge and the first solenoid valve, the pressure stabilizing input
Unit 14 is provided with the first pressure reducing valve, third pressure gauge and first pressure sensor；The first argon gas output branch is provided with
First manual regulating valve, first check-valve, second pressure sensor and noise reduction relief valve, the second argon gas output branch setting
There are the second manual modulation valve, third solenoid valve, second check-valve, second pressure sensor and noise reduction relief valve, the third argon
Gas output branch is provided with third manual modulation valve, the second pressure reducing valve, the 4th pressure gauge, the 4th solenoid valve, mass flow control
Device, third check-valves, second pressure sensor and noise reduction relief valve；It is defeated in the low-pressure argon input unit 11 and high pressure argon gas
Enter unit 13 and is also respectively provided with the 4th manual modulation valve and the 5th manual modulation valve.
In the present embodiment, the industrial personal computer 1 is communicated by Industrial Ethernet with PLC controller 3, on-site terminal 2
It is communicated by PROFIBUS DP interface and PLC controller 3, the PLC controller 3 is the editable of Siemens S7-400
Logic controller.The control system of the steel ladle bottom argon blowing can be in the converter tapping waiting station of steel mill, and every block converter is equipped with
The control system of a set of steel ladle bottom argon blowing.The control system of the steel ladle bottom argon blowing includes two on-site terminals 2, and two scenes are eventually
End 2 is respectively arranged in the tapping soft blow station of corresponding buggy ladle and feeds silk charging station；The control system of the steel ladle bottom argon blowing is also
The control system of two sets of steel ladle bottom argon blowings can be equipped in every LF refining furnace on the refining furnace of steel mill；In order to reduce
Cost of investment, the control system of the steel ladle bottom argon blowing can only include an on-site terminal 2, and on-site terminal 2 is installed on corresponding steel
The tapping soft blow station of hired car and close fire door operate convenient for the entire molten steel dynamic of field observation and scene adjustment.If the ladle
The control system of BOTTOM ARGON BLOWING is simultaneously with the Ladle Bottom in the converter tapping waiting station and refining furnace of steel mill, being mounted on refining furnace
The control system of Argon will couple with the industrial personal computer in converter tapping waiting station, remotely to monitor.
The corresponding argon pressure range in low-pressure argon source 10 are as follows: 0.4 to 0.8MPa, the corresponding Ar Pressure in high pressure argon gas source 12
Power range are as follows: 1.2 to 1.6MPa.Executing agency 4 is made of acquisition module and execution module, and the acquisition module includes: first
Pressure sensor, second pressure sensor, mass flow controller, first pressure gauge, second pressure gauge, third pressure gauge and
Four pressure gauges, the execution module include: the first solenoid valve, second solenoid valve, third solenoid valve, the 4th solenoid valve, first subtract
Pressure valve, the second pressure reducing valve, noise reduction relief valve, first manual regulating valve, the second manual modulation valve, third manual modulation valve, the 4th
Manual modulation valve and the 5th manual modulation valve；Wherein, first pressure gauge, second pressure gauge, third pressure gauge and the 4th pressure gauge
For detecting the argon pressure in corresponding argon gas pipeline, first pressure sensor and second pressure sensor for the correspondence argon of acquisition
Argon pressure in feed channel is sent to PLC controller 3 in real time, and mass flow controller will be in the correspondence argon gas pipeline of acquisition
Argon flow is sent to PLC controller 3, and PLC controller 3 handles the pressure signal received and flow signal, then root
It is acted according to the execution module of treated signal control executing agency 4；Such as: by adjusting the first electricity in execution module
Magnet valve, second solenoid valve, the aperture of third solenoid valve and the 4th solenoid valve, reach in corresponding argon gas pipeline argon pressure and
The purpose that argon flow is controlled.
When starting Argon application program on industrial personal computer, PLC controller 3 automatically turns on the broken top functional module of bypass, bypass
Broken top function can provide the air brick that biggish pressure blows blocking open, to guarantee the normal beginning of steel ladle bottom argon blowing control, to blow
The air brick that argon controls main line provides repair function；And then PLC controller 3 controls executing agency 4 and acts, so that argon gas is from the
Three argon gas export branch (i.e. the normal Argon controlling brancher of executing agency) output, to carry out Argon to ladle 7；And then basis
The argon flow actual value and argon pressure actual value that acquisition module acquires in real time, and the argon gas stream obtained according to mathematical model
Theoretical value and argon pressure theoretical value are measured, judges the normal Argon controlling brancher (i.e. third argon gas output branch) of executing agency 4
Whether break down, and determines its fault type when normal Argon controlling brancher breaks down.
When mass flow controller failure occurs for normal Argon controlling brancher, mass flow controller fault message is sent
To PLC controller 3, is acted so that PLC controller 3 controls the executing agency 4, automatically control argon gas from the second argon gas and export branch
Road output carries out Argon to ladle 7.Solenoid valve failure, pressure sensor failure occurs in normal Argon controlling brancher and/or subtracts
When pressure valve failure, transmission solenoid valve failure information, pressure sensor failure information and/or pressure reducing valve fault message to the PLC
Controller 3 acts so that the PLC controller 3 controls the executing agency 4, automatically controls argon gas from the first argon gas and export branch
Road output carries out Argon to ladle 7.
Mass flow controller failure, solenoid valve failure, pressure occurs in the normal Argon controlling brancher of executing agency to pass
When sensor failure and/or pressure reducing valve failure, by sending mass flow controller fault message, solenoid valve failure information, pressure
Sensor fault information and/or pressure reducing valve fault message are moved to PLC controller so that PLC controller controls the executing agency
Make, when the electronic component of normal Argon controlling brancher breaks down, to automatically control executing agency's switching Argon control
Branch ensure that the control system of the steel ladle bottom argon blowing when electronic component breaks down operates normally.
Touch screen has can be set in on-site terminal 2, when technical staff selects soft argon blowing control by touch screen, executes machine
Structure 4 controls argon gas from the output branch output of the first argon gas, to carry out Argon；When selecting the control of strong Argon, executing agency 4 is controlled
Argon gas processed is from the output branch output of the second argon gas, to carry out Argon；Technical staff can carry out increase Argon by touch screen
Flow reduces argon blowing rate control, comes particular by the aperture for the 4th solenoid valve for adjusting third argon gas output branch road real
It is existing；For example, the fine tuning flow module on on-site terminal 2 can be finely adjusted by setting " increase " or " reduction " virtual push button, with
Meet the requirement of process for making, " increase " or " reduction " button is often pressed once, and setting flow changes 5NL/min, can also be pressed always
Firmly until button flow needed for meeting.The broken top functional module of bypass is export branch road by adjusting third argon gas the 4
The aperture of solenoid valve is realized to preset value.
In the present embodiment, the control system of the steel ladle bottom argon blowing, further includes: database module, the database
Module is arranged on the industrial personal computer 1 and/or the on-site terminal 2, for storing the process data of steel ladle bottom argon blowing control, and
The report of Argon historical data is generated in real time according to the process data；The database module is also used to receive and blow described in inquiry
The instruction of argon historical data report；The control system of the steel ladle bottom argon blowing can carry out the process data that steel ladle bottom argon blowing controls
It collects, and inquired by accessing the process data that database module controls steel ladle bottom argon blowing, reaches to steel ladle bottom argon blowing
The traceable purpose of the process data of control.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of control system of the steel ladle bottom argon blowing for industrial personal computer, the industrial personal computer and on-site terminal are and PLC controller
It interacts, the PLC controller is connected with executing agency, for controlling executing agency's movement, the executing agency
It is connected with Ar inlet and argon gas export, the argon gas export is connected to the air brick of ladle bottom；It is characterized in that, the use
Include: in the control system of the steel ladle bottom argon blowing of industrial personal computer
Industrial personal computer Argon control module and industrial personal computer transmission module, the industrial personal computer Argon control module and industrial personal computer transmission module
It interacts, the industrial personal computer Argon control module includes: industrial personal computer Argon starting module, data obtaining module, mathematical model
Distribution module, Argon mode selection module, the first computing module and industrial personal computer Argon closedown module；
The industrial personal computer Argon starting module starts Argon application program for receiving starting Argon application program instructions；
The data obtaining module, for obtaining ladle information and steel grade information；
The mathematical model distribution module, for distributing each of current steel grade according to the ladle information and steel grade information
The mathematical model of the argon gas demand in smelting stage；
First computing module, for calculating the argon flow in each smelting stage of current steel grade according to the mathematical model
Theoretical value and argon pressure theoretical value；
The Argon mode selection module, for receiving Argon mode selection command, the Argon mode includes: long-range industrial personal computer
Control and on-site terminal control；
The industrial personal computer transmission module, it is theoretical for when receiving long-range industrial personal computer control instruction, sending the argon flow
Value and argon pressure theoretical value are to PLC controller, so that the PLC controller controls executing agency's movement；
The industrial personal computer transmission module is also used to when receiving on-site terminal control instruction, and sending allows on-site terminal to control
Instruction and the argon flow theoretical value and argon pressure theoretical value are to on-site terminal；
The industrial personal computer Argon closedown module stops Argon instruction for receiving, and sends the instruction to PLC controller, for
PLC controller controls executing agency's stopping movement, closes Argon application program.
2. the control system of the steel ladle bottom argon blowing according to claim 1 for industrial personal computer, which is characterized in that the industry control
Machine Argon control module further include: the second computing module and third computing module；
The industrial personal computer transmission module is also used to receive the argon in each smelting stage for the current steel grade that PLC controller is sent in real time
Throughput actual value and argon pressure actual value；
Second computing module, for according to the argon flow actual value, argon pressure actual value, argon flow theoretical value
With argon pressure theoretical value, judge whether the normal Argon controlling brancher of the executing agency breaks down, and described normal
Argon controlling brancher determines that its fault type, the fault type include mass flow controller failure, electromagnetism when breaking down
Valve failure, pressure sensor failure and pressure reducing valve failure；
The third computing module, for when the normal Argon controlling brancher does not break down, according to the argon flow
Actual value, argon pressure actual value, argon flow theoretical value and argon pressure theoretical value, calculate the amendment of the executing agency
Value, and judge whether the correction value meets preset range；
The industrial personal computer transmission module is also used to send the correction value to PLC when the correction value does not meet preset range
Controller, so that the PLC controller controls executing agency's movement, until what the third computing module calculated repairs
Positive value meets the preset range；
The industrial personal computer transmission module is also used to that mass flow controller failure, electricity occurs in the normal Argon controlling brancher
When magnet valve failure, pressure sensor failure and/or pressure reducing valve failure, mass flow controller fault message, solenoid valve event are sent
Hinder information, pressure sensor failure information and/or pressure reducing valve fault message to PLC controller, for PLC controller control
Executing agency's movement.
3. the control system of the steel ladle bottom argon blowing according to claim 1 or 2 for industrial personal computer, which is characterized in that described
Industrial personal computer Argon control module further include: key frame display module, control mode selecting module, setting value input module and setting
It is worth display module；
The key frame display module, for after receiving long-range industrial personal computer control instruction, receiving the starting of industrial personal computer key frame
Instruction, the key frame of display industrial personal computer Argon control；
The control mode selecting module, the control mode selection of each Argon controlling brancher for receiving the executing agency
Instruction, the control mode includes: manual control mode and automatic control mode；
The setting value display module, for showing current Argon controlling brancher when receiving manual control mode instruction
The display box of argon pressure setting value, argon flow setting value and/or Argon duration setting value；
The setting value input module is set for when receiving manual control mode instruction, receiving the input argon pressure
The instruction of definite value, argon flow setting value and/or Argon duration setting value；
The industrial personal computer transmission module is also used to when argon pressure setting value, the argon gas stream for receiving current Argon controlling brancher
When the input instruction of amount setting value and/or Argon duration setting value, sends the input and instruct to PLC controller, for the PLC
Controller controls executing agency's movement.
4. a kind of control system of the steel ladle bottom argon blowing for on-site terminal, industrial personal computer and the on-site terminal are controlled with PLC
Device interacts, and the PLC controller is connected with executing agency, for controlling executing agency's movement, the execution machine
Structure is connected with Ar inlet and argon gas export, and the argon gas export is connected to the air brick of ladle bottom；It is characterized in that, described
The control system of steel ladle bottom argon blowing for on-site terminal includes:
On-site terminal transmission module and on-site terminal Argon control module, the on-site terminal transmission module and on-site terminal Argon
Control module interacts, and the on-site terminal Argon control module includes: on-site terminal Argon starting module, on-site terminal number
According to display module, on-site terminal Argon closedown module, fast velocity modulation flow module, fine tuning flow module and the broken top functional module of bypass；
The on-site terminal Argon starting module starts Argon application program for receiving starting Argon application program instructions；
The on-site terminal transmission module, for receiving each smelting stage for allowing on-site terminal control instruction and current steel grade
Argon flow theoretical value and argon pressure theoretical value, and send the argon flow theoretical value and argon pressure theoretical value extremely
PLC controller, so that the PLC controller controls executing agency's movement；
The on-site terminal transmission module is also used to receive each smelting stage for the current steel grade that PLC controller is sent in real time
Argon flow actual value and argon pressure actual value；
The on-site terminal data disaply moudle, for argon pressure actual value and argon flow actual value described in real-time display；
The fast velocity modulation flow module for receiving soft argon blowing control instruction or strong Argon control instruction, and sends the instruction to PLC
Controller, so that PLC controller controls executing agency's movement；
The fine tuning flow module increases argon blowing rate control instruction or reduction argon blowing rate control instruction for receiving, and sends
The instruction is to PLC controller, so that PLC controller controls executing agency's movement；
The broken top functional module of bypass, increases the instruction of argon blowing rate to preset value for receiving, and send the instruction to PLC
Controller, so that PLC controller controls executing agency's movement；
The on-site terminal Argon closedown module stops Argon instruction for receiving, and sends the instruction to PLC controller, with
Executing agency's stopping movement being controlled for PLC controller, closes Argon application program.
5. a kind of control method of the steel ladle bottom argon blowing for industrial personal computer, the industrial personal computer and on-site terminal are and PLC controller
It interacts, the PLC controller is connected with executing agency, for controlling executing agency's movement, the executing agency
It is connected with Ar inlet and argon gas export, the argon gas export is connected to the air brick of ladle bottom；It is characterized in that, the use
Include: in the control method of the steel ladle bottom argon blowing of industrial personal computer
Starting Argon application program instructions are received, Argon application program is started；
Obtain ladle information and steel grade information；
According to the ladle information and steel grade information, the mathematical modulo of the argon gas demand in each smelting stage of current steel grade is distributed
Type；
According to the mathematical model, argon flow theoretical value and the argon pressure for calculating each smelting stage of current steel grade are theoretical
Value；
Argon mode selection command is received, the Argon mode includes: long-range industrial personal computer control and on-site terminal control；
When receiving long-range industrial personal computer control instruction, the argon flow theoretical value and argon pressure theoretical value are sent to PLC
Controller, so that the PLC controller controls executing agency's movement；
When receiving on-site terminal control instruction, sending allows on-site terminal control instruction and the argon flow theoretical value
With argon pressure theoretical value to on-site terminal；
It receives and stops Argon instruction, and send the instruction to PLC controller, stop so that PLC controller controls the executing agency
Stop is made, and Argon application program is closed.
6. the control method of the steel ladle bottom argon blowing according to claim 5 for industrial personal computer, which is characterized in that further include:
Argon flow actual value and the argon pressure for receiving each smelting stage for the current steel grade that PLC controller is sent in real time are practical
Value；
According to the argon flow actual value, argon pressure actual value, argon flow theoretical value and argon pressure theoretical value, judgement
Whether the normal Argon controlling brancher of the executing agency breaks down, and when the normal Argon controlling brancher breaks down
Determine its fault type, the fault type include mass flow controller failure, solenoid valve failure, pressure sensor failure and
Pressure reducing valve failure；
When the normal Argon controlling brancher does not break down, according to the argon flow actual value, argon pressure actual value,
Argon flow theoretical value and argon pressure theoretical value, calculate the correction value of the executing agency, and whether judge the correction value
Meet preset range；
When the correction value does not meet preset range, the correction value is sent to PLC controller, for the PLC controller
Executing agency's movement is controlled, until the correction value calculated meets the preset range；
The normal Argon controlling brancher occur mass flow controller failure, solenoid valve failure, pressure sensor failure and/
Or when pressure reducing valve failure, mass flow controller fault message, solenoid valve failure information, pressure sensor failure information are sent
And/or pressure reducing valve fault message is acted to PLC controller so that the PLC controller controls the executing agency.
7. the control method of the steel ladle bottom argon blowing according to claim 5 or 6 for industrial personal computer, which is characterized in that also wrap
It includes:
After receiving long-range industrial personal computer control instruction, the enabled instruction of industrial personal computer key frame, display industrial personal computer Argon control are received
Key frame；
The control mode selection instruction of each Argon controlling brancher of the executing agency is received, the control mode includes: hand
Dynamic control mode and automatic control mode；
When receiving manual control mode instruction, argon pressure setting value, the argon flow of current Argon controlling brancher are shown
The display box of setting value and/or Argon duration setting value；
Receive the instruction for inputting the argon pressure setting value, argon flow setting value and/or Argon duration setting value；
When the argon pressure setting value, argon flow setting value and/or Argon duration that receive current Argon controlling brancher are set
It when the input instruction of value, sends the input and instructs to PLC controller, moved so that the PLC controller controls the executing agency
Make.
8. a kind of control method of the steel ladle bottom argon blowing for on-site terminal, industrial personal computer and the on-site terminal are controlled with PLC
Device interacts, and the PLC controller is connected with executing agency, for controlling executing agency's movement, the execution machine
Structure is connected with Ar inlet and argon gas export, and the argon gas export is connected to the air brick of ladle bottom；It is characterized in that, described
The control method of steel ladle bottom argon blowing for on-site terminal includes:
Starting Argon application program instructions are received, Argon application program is started；
Receive the argon flow theoretical value and Ar Pressure for allowing each smelting stage of on-site terminal control instruction and current steel grade
Power theoretical value, and the argon flow theoretical value and argon pressure theoretical value are sent to PLC controller, for PLC control
Device controls executing agency's movement；
Argon flow actual value and the argon pressure for receiving each smelting stage for the current steel grade that PLC controller is sent in real time are practical
Value；
Argon pressure actual value and argon flow actual value described in real-time display；
Soft argon blowing control instruction or strong Argon control instruction are received, receives and increases argon blowing rate control instruction or reduction argon blowing rate
Control instruction, and/or receive and increase the instruction of argon blowing rate to preset value, and the instruction that transmits and receives is to PLC controller,
So that PLC controller controls executing agency's movement；
It receives and stops Argon instruction, and send the instruction to PLC controller, stop so that PLC controller controls the executing agency
Stop is made, and Argon application program is closed.
9. a kind of control system of steel ladle bottom argon blowing, comprising: industrial personal computer, PLC controller, executing agency and at least one scene are eventually
End, which is characterized in that
The industrial personal computer is using the control system as claimed any one in claims 1 to 3 for the steel ladle bottom argon blowing of industrial personal computer
System；
The on-site terminal is using the control system as claimed in claim 4 for the steel ladle bottom argon blowing of on-site terminal；
The executing agency specifically includes: low-pressure argon source, low-pressure argon input unit, high pressure argon gas source, high pressure argon gas input
Unit, pressure stabilizing input unit, pressure stabilizing packet and at least a set of argon gas output unit；
Wherein, one end of the low-pressure argon input unit connects the low-pressure argon source, and the other end is defeated by the pressure stabilizing
Enter the input terminal that unit is connected to the pressure stabilizing packet；
One end of the high pressure argon gas input unit connects the high pressure argon gas source, and the other end passes through the pressure stabilizing input unit
It is connected to the input terminal of the pressure stabilizing packet；
The output end of the pressure stabilizing packet is connected to the input terminal of the argon gas output unit, the output end of the argon gas output unit
It is connected to argon gas export；
The argon gas output unit includes the first argon gas output branch, the second argon gas output branch and third argon gas parallel with one another
Export branch.
10. the control system of steel ladle bottom argon blowing according to claim 9, which is characterized in that further include:
Database module, the database module is arranged on the industrial personal computer and/or the on-site terminal, for storing ladle
The process data of BOTTOM ARGON BLOWING control, and the report of Argon historical data is generated according to the process data in real time；
The database module is also used to receive the instruction for inquiring the Argon historical data report.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810358708.2A CN110387454A (en) | 2018-04-20 | 2018-04-20 | The control system and method for steel ladle bottom argon blowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810358708.2A CN110387454A (en) | 2018-04-20 | 2018-04-20 | The control system and method for steel ladle bottom argon blowing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110387454A true CN110387454A (en) | 2019-10-29 |
Family
ID=68283690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810358708.2A Pending CN110387454A (en) | 2018-04-20 | 2018-04-20 | The control system and method for steel ladle bottom argon blowing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110387454A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878915A (en) * | 2019-12-17 | 2020-03-13 | 中冶南方工程技术有限公司 | Converter bottom blowing pipeline state monitoring system |
| CN110989406A (en) * | 2019-11-28 | 2020-04-10 | 张家港宏昌钢板有限公司 | Automatic control system and control method for ladle bottom argon blowing soft stirring of LF (ladle furnace) |
| CN111518991A (en) * | 2020-05-08 | 2020-08-11 | 大冶特殊钢有限公司 | Argon flow control method and system and ladle refining furnace smelting method |
| CN111650903A (en) * | 2020-05-25 | 2020-09-11 | 武汉钢铁有限公司 | Intelligent control system for bottom argon blowing of steel ladle based on visual identification |
| CN111922310A (en) * | 2020-07-23 | 2020-11-13 | 宝武集团马钢轨交材料科技有限公司 | Continuous casting ladle long nozzle argon seal online dynamic control device and method |
| CN111944954A (en) * | 2020-09-02 | 2020-11-17 | 武汉钢铁有限公司 | PCM steel ladle bottom argon blowing control system and control method |
| CN112251565A (en) * | 2020-09-30 | 2021-01-22 | 联峰钢铁（张家港）有限公司 | Efficient ladle bottom argon blowing process |
| CN112795726A (en) * | 2020-12-25 | 2021-05-14 | 中航上大高温合金材料有限公司 | Ladle refining furnace and dephosphorization method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1172848A (en) * | 1973-06-25 | 1984-08-21 | Robert E. Foley | Gas flow control method and apparatus for metallurgical vessels |
| CN1966733A (en) * | 2006-11-09 | 2007-05-23 | 河北科技大学 | Intelligent control method for bottom-blowing argon in refining furnace |
| JP2008282306A (en) * | 2007-05-14 | 2008-11-20 | Jfe Steel Kk | True-value estimation method and control method for opening of flow control valve, and metal refining method using the same |
| CN203668451U (en) * | 2013-11-13 | 2014-06-25 | 成都华瑞德冶金设备有限公司 | Bottom blowing gas control system of converting furnace or electric furnace in steel plant |
| CN104073588A (en) * | 2014-07-15 | 2014-10-01 | 中冶南方工程技术有限公司 | Automatic control method for ladle bottom argon blowing of converter |
| CN104133451A (en) * | 2014-07-31 | 2014-11-05 | 武钢集团昆明钢铁股份有限公司 | Management system and method for steel-making argon blowing ladle |
| CN104611511A (en) * | 2015-02-02 | 2015-05-13 | 西安宝科流体技术有限公司 | Intelligent argon bottom-blowing powder spraying control system of coreless induction furnace and control method thereof |
| CN208055392U (en) * | 2018-04-20 | 2018-11-06 | 沈阳北尚科技股份有限公司 | The control system of steel ladle bottom argon blowing |
-
2018
- 2018-04-20 CN CN201810358708.2A patent/CN110387454A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1172848A (en) * | 1973-06-25 | 1984-08-21 | Robert E. Foley | Gas flow control method and apparatus for metallurgical vessels |
| CN1966733A (en) * | 2006-11-09 | 2007-05-23 | 河北科技大学 | Intelligent control method for bottom-blowing argon in refining furnace |
| JP2008282306A (en) * | 2007-05-14 | 2008-11-20 | Jfe Steel Kk | True-value estimation method and control method for opening of flow control valve, and metal refining method using the same |
| CN203668451U (en) * | 2013-11-13 | 2014-06-25 | 成都华瑞德冶金设备有限公司 | Bottom blowing gas control system of converting furnace or electric furnace in steel plant |
| CN104073588A (en) * | 2014-07-15 | 2014-10-01 | 中冶南方工程技术有限公司 | Automatic control method for ladle bottom argon blowing of converter |
| CN104133451A (en) * | 2014-07-31 | 2014-11-05 | 武钢集团昆明钢铁股份有限公司 | Management system and method for steel-making argon blowing ladle |
| CN104611511A (en) * | 2015-02-02 | 2015-05-13 | 西安宝科流体技术有限公司 | Intelligent argon bottom-blowing powder spraying control system of coreless induction furnace and control method thereof |
| CN208055392U (en) * | 2018-04-20 | 2018-11-06 | 沈阳北尚科技股份有限公司 | The control system of steel ladle bottom argon blowing |
Non-Patent Citations (4)
| Title |
|---|
| 周有等: "智能底吹氩控制系统在钢包精炼炉中的引用" * |
| 袁本明等: "精准自动吹氩模式的研究与开发" * |
| 赵丽敏等: "钢包底吹系统的开发" * |
| 赵彦伟等: "钢包底吹氩自动控制系统" * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110989406A (en) * | 2019-11-28 | 2020-04-10 | 张家港宏昌钢板有限公司 | Automatic control system and control method for ladle bottom argon blowing soft stirring of LF (ladle furnace) |
| CN110878915A (en) * | 2019-12-17 | 2020-03-13 | 中冶南方工程技术有限公司 | Converter bottom blowing pipeline state monitoring system |
| CN111518991A (en) * | 2020-05-08 | 2020-08-11 | 大冶特殊钢有限公司 | Argon flow control method and system and ladle refining furnace smelting method |
| CN111650903A (en) * | 2020-05-25 | 2020-09-11 | 武汉钢铁有限公司 | Intelligent control system for bottom argon blowing of steel ladle based on visual identification |
| CN111650903B (en) * | 2020-05-25 | 2021-08-03 | 武汉钢铁有限公司 | Intelligent control system for bottom argon blowing of steel ladle based on visual identification |
| CN111922310A (en) * | 2020-07-23 | 2020-11-13 | 宝武集团马钢轨交材料科技有限公司 | Continuous casting ladle long nozzle argon seal online dynamic control device and method |
| CN111944954A (en) * | 2020-09-02 | 2020-11-17 | 武汉钢铁有限公司 | PCM steel ladle bottom argon blowing control system and control method |
| CN112251565A (en) * | 2020-09-30 | 2021-01-22 | 联峰钢铁（张家港）有限公司 | Efficient ladle bottom argon blowing process |
| CN112795726A (en) * | 2020-12-25 | 2021-05-14 | 中航上大高温合金材料有限公司 | Ladle refining furnace and dephosphorization method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110387454A (en) | The control system and method for steel ladle bottom argon blowing | |
| CN208055392U (en) | The control system of steel ladle bottom argon blowing | |
| CN105739423B (en) | The steady grate control system of converter inclining rapid starting/stopping and method | |
| CN101117659B (en) | Full-hydrogen hood-type annealing furnace control system | |
| CN201684915U (en) | Low pressure casting machine and liquid surface pressurization control system thereof | |
| CN112725557A (en) | Converter bottom blowing intelligent control method | |
| CN101786152A (en) | Low-pressure casting machine and liquid level pressurizing control system | |
| CN203887207U (en) | Closed-loop liquid level control system for low-pressure casting machine | |
| CN102591285A (en) | Universal automatic control system for AOD (Argon Oxygen Decarburization) and top-bottom combined blown furnace | |
| CN100458622C (en) | Automatic control device and method for liquid level of tundish | |
| CN201654557U (en) | Full-automatic intelligent control system of AOD furnace | |
| CN204958970U (en) | Refining furnace ladle bottom blowing argon controlling means | |
| CN108008702A (en) | Intelligent automatic steel-making monitoring method and system | |
| CN204440196U (en) | A kind of beer fermentation process temperature control equipment | |
| CN202022956U (en) | VD furnace argon blowing control device | |
| CN103194574B (en) | Dynamic regulation method of VOD refined end point carbon content prediction model | |
| CN109827073A (en) | A kind of natural gas line divides defeated implementation method automatically | |
| CN107164593B (en) | A kind of networking furnace melting management system based on PLC | |
| CN101604155A (en) | 3D virtual reality monitoring system and method for supervising thereof | |
| CN107153927B (en) | Steel production malfunction management method | |
| CN107164597A (en) | It is a kind of to detect the one-touch automatic method for making steel of converter without furnace gas without sublance | |
| CN115927784B (en) | Based on CO 2 Converter steelmaking end point control method by dynamic mixed blowing | |
| CN110389098A (en) | The permeability detection system and method for air brick of steel ladle | |
| CN211771413U (en) | Control device for preventing bottom blowing nitrogen return of converter | |
| CN105242545B (en) | A kind of Forecasting Methodology of the coverter pig oxygen flow based on process batch model |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191029 |