CN105907907A - Blast furnace main belt material flow tracking control method and device - Google Patents
Blast furnace main belt material flow tracking control method and device Download PDFInfo
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- CN105907907A CN105907907A CN201610351914.1A CN201610351914A CN105907907A CN 105907907 A CN105907907 A CN 105907907A CN 201610351914 A CN201610351914 A CN 201610351914A CN 105907907 A CN105907907 A CN 105907907A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/006—Automatically controlling the process
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Abstract
The invention relates to a blast furnace main belt material flow tracking control method and a device. The method comprises the following steps: a first time point, a second time point and a third time point are calculated; after a material tail reaches the first time point, a next batch of blanks is controlled to be loaded on a main belt; after a material head reaches the second time point, equipment downstream of the main belt is controlled to prepare for loading; after the material head reaches the third time point, whether preparation for loading by the equipment downstream of the main belt is completed is detected; and if the loading preparation by the equipment downstream of the main belt is not completed, shutdown treatment is performed. The device consists of a first calculating unit, a second calculating unit, a third calculating unit, a first processing unit, a second processing unit, a third processing unit, first material flow detecting equipment, second material flow detecting equipment and third material flow detecting equipment. The blast furnace main belt material flow tracking control method and device provided by the invention can prevent the technical problem of misoperation of the equipment caused by damage of the material flow detectors, and reduces production faults caused by the faults of the material flow detectors.
Description
Technical field
The present invention relates to technical field of blast furnace process, control particularly to a kind of blast furnace main belt material flow tracing
Method and device.
Background technology
In blast furnace iron-making process, the main belt of feeding is to connect blast furnace roof and the nucleus equipment under raw material tank,
Ore and coke are transported to furnace roof batch can 5 by main belt.Main belt filled stream test point is by flow detector
Detect, but stream cannot be followed the tracks of.Owing to belt regional environment main under groove is severe, dust, iron powder are long
Phase fills the air, it is easy to cause electrical equipment grounding short circuit.Below flow detector in use exists
Railway Project: first, higher to environmental requirement, dust, iron powder make flow detector malfunction sometimes
Make, it is believed that have charge to pass through, send the signal of mistake.Second, due to bad environments, flow detector
Damage frequency higher, will result in main belt after damage out of service.Flow detector breaks down,
Typically main belt all can be caused to shut down, if can not the most quickly process, blast furnace checking can be caused to be depressured.
Summary of the invention
The present invention, by providing a kind of blast furnace main belt material flow tracing control method and device, solves existing
In technology, flow detector is easily damaged the technical problem causing equipment malfunction to make, and can reduce because stream detects
Device fault and the fault in production that causes.
The invention provides a kind of blast furnace main belt material flow tracing control method, described method includes:
Calculating first time point T1, described T1=t1+t2+ Δ T1, described t1 are that charge can seals opening of valve
The valve time, described t2 is turning-plate chute actuation time, and described Δ T1 is the first delay time；
Calculating the second time point T2, described T2=T1+ Δ T2, described Δ T2 are the second delay time；
Calculating the 3rd time point T3, described T3=t3-Δ T3, described t3 are that the stub bar of blank is at main belt
The total time of upper operation, described Δ T3 is the reaction time；
Detecting first time point T1 that described blank runs, the material tail of blank arrives described first time point T1
After send first control signal control next batch blank to described main belt filled；
Detecting the second time point T2 that described blank runs, the stub bar of blank arrives described second time point T2
After send second control signal control described main belt downstream equipment carry out feed warming-up exercise；
Detecting the 3rd time point T3 that described blank runs, the stub bar of blank arrives described 3rd time point T3
After send the 3rd control signal control detect described main belt downstream equipment charging prepare whether complete, if
The equipment charging preparation in described main belt downstream is not fully complete, then carry out shutdown process.
Further, described method also includes:
The first material tail position corresponding by arranging first time point T1 described in the first stream detection Equipment Inspection
Put, send the 4th control signal when described first material tail position being detected；
The first control signal or described 4th control signal is used to control the blank of next batch to described main skin
Band feeding.
Further, described method also includes:
By arranging second the first corresponding for time point T2 stub bar position described in the second stream detection Equipment Inspection
Put, send the 5th control signal when described first stub bar position being detected；
The equipment using the second control signal or described 5th control signal to control described main belt downstream is carried out
Charging prepares.
Further, described method also includes:
By arranging the 3rd the second corresponding for time point T3 stub bar position described in the 3rd stream detection Equipment Inspection
Put, send the 6th control signal when described second stub bar position being detected；
By using the 3rd control signal or described 6th control signal to control to detect described main belt downstream
Whether the charging warming-up exercise of equipment completes, if the charging of the equipment in described main belt downstream prepares to be not fully complete,
Then carry out shutdown process.
Further, described first delay time Δ T1 and described second delay time Δ T2 is the 1-3 second,
Described reaction time Δ T3 is the 10-11 second.
Present invention also offers a kind of blast furnace main belt material flow tracing and control device, described device includes:
First computing unit, calculates first time point T1, and described T1=t1+t2+ Δ T1, described t1 are dress
Batch can seals the duration of valve opening of valve, and described t2 is turning-plate chute actuation time, and described Δ T1 is the first time delay
Time；
Second computing unit, calculates the second time point T2, and described T2=T1+ Δ T2, described Δ T2 are
Two delay times；
3rd computing unit, calculates the 3rd time point T3, and described T3=t3-Δ T3, described t3 are blank
Total time of running on main belt of stub bar, described Δ T3 is the reaction time；
First processing unit, with described first computing unit communication, detects the material tail operation of described blank
First time point T1, sends the first control signal and controls next batch after arriving described first time point T1
Blank to described main belt filled；
Second processing unit, with described second computing unit communication, detects the stub bar operation of described blank
Second time point T2, sends the second control signal and controls described main skin after arriving described second time point T2
Equipment with downstream carries out the warming-up exercise that feeds；
3rd processing unit, with described 3rd computing unit communication, detects the stub bar operation of described blank
3rd time point T3, sends the 3rd control signal and controls described in detection after arriving described 3rd time point T3
Whether the equipment charging in main belt downstream prepares to complete, if the equipment charging in described main belt downstream prepares not
Complete, then carry out shutdown process.
Further, described device also includes:
First material flow assay device, with described first computing unit communication, detects described first time point T1
The first corresponding material tail position, sends the 4th control signal when described first material tail position being detected；
The first control signal or described 4th control signal is used to control the blank of next batch to described main skin
Band feeding.
Further, described device also includes:
Second material flow assay device, with described second computing unit communication, detects described second time point T2
The first corresponding stub bar position, sends the 5th control signal when described first stub bar position being detected；
The equipment using the second control signal or described 5th control signal to control described main belt downstream is carried out
Charging prepares.
Further, described device also includes:
3rd material flow assay device, with described 3rd computing unit communication, detects described 3rd time point T3
The second corresponding stub bar position, sends the second detection signal when described second stub bar position being detected；
By using the 3rd control signal or described 6th control signal to control to detect described main belt downstream
Whether the charging warming-up exercise of equipment completes, if the charging of the equipment in described main belt downstream prepares to be not fully complete,
Then carry out shutdown process.
Further, described device also includes:
Memory cell, logical with described first computing unit, the second computing unit and described 3rd computing unit
Letter, store described first computing unit, the second computing unit and the data of described 3rd computing unit and
Blast furnace process data；
Display unit is logical with described first computing unit, the second computing unit and described 3rd computing unit
Letter, builds the position relationship of main belt stream picture, Dynamic Announce stream and described main belt, Yi Jixian
Show described first time point T1, the second time point T2 and described 3rd time point T3.
One or more technical schemes that the present invention provides, at least possess following beneficial effect or advantage:
1, the present invention provide blast furnace main belt material flow tracing control method and device, utilize time point to represent
Stream position on main belt, by time point control mode to the making time of next blank, main skin
When equipment with downstream carries out the equipment charging preparation detection in charging time and main belt downstream
Between carry out Discrete control, control process stabilization, therefore flow detector can be avoided to damage and cause equipment malfunction
The technical problem made, can reduce the fault in production caused because of flow detector fault.
2, the present invention provide blast furnace main belt material flow tracing control method and device, use first stream inspection
The position of blank is detected by measurement equipment, the second material flow assay device and the 3rd material flow assay device,
By positional information, making time, the equipment in main belt downstream of next blank are carried out the warming-up exercise that feeds
The equipment charging preparation detection time in time and main belt downstream is controlled, to time point control
Mode carries out assisting control, prevents occurring in time point control mode that control signal defect causes production accident.
3, the present invention provide blast furnace main belt material flow tracing control method and device, be provided with memory cell,
Memory cell storage can store the data of the first computing unit, the second computing unit and the 3rd computing unit with
And the data of blast furnace process demand, it is achieved data backup, it is simple to carry out data recovery after fault in production occurs.
Accompanying drawing explanation
The blast furnace main belt material flow tracing control method flow chart that Fig. 1 provides for the embodiment of the present invention；
Fig. 2 is blast furnace main belt operating diagram described in method shown in Fig. 1.
Detailed description of the invention
The embodiment of the present invention, by providing a kind of blast furnace main belt material flow tracing control method and device, solves
In prior art, flow detector is easily damaged the technical problem causing equipment malfunction to make, and can reduce because of material
Current sensor fault and the fault in production that causes.
See Fig. 1 and Fig. 2, embodiments provide a kind of blast furnace main belt material flow tracing control method,
The method includes:
Step 10, calculating first time point T1, T1=t1+t2+ Δ T1, t1 are that charge can seals valve 1
Duration of valve opening, t2 is turning-plate chute 4 actuation time, and Δ T1 is the first delay time.
Charge can seals the duration of valve opening t1 of valve 1, turning-plate chute 4 t2 actuation time and the first delay time
Δ T1 is set according to real work situation.Charge can seals the duration of valve opening t1 of valve 1 can represent blank
The length of 2, starts to the time interval of first time point T1 to be used for protecting from main belt filled (blank 2)
Card feeding and turning-plate chute 4 action complete.
Step 20, calculating the second time point T2, T2=T1+ Δ T2, Δ T2 are the second delay time.
Step 30, calculating the 3rd time point T3, T3=t3-Δ T3, t3 are that the stub bar of blank is on main belt
The total time (i.e. blank 2 moves to the time in emptying point from off-take point) run, Δ T3 is the reaction time.
Total time t3 that the stub bar of blank runs on main belt can be according to the length of main belt and the fortune of blank
Line speed calculates.First time point T1 that step 40, detection blank 2 run, when the material of blank 2
Send the first control signal after operation time arrival first time point T1 of tail and control the blank 2 of next batch
To main belt 3 feeding.
Meanwhile, the first corresponding also by arranging the first stream detection Equipment Inspection first time point T1 material tail
Position, sends the 4th control signal when the first material tail position being detected；First control signal or the 4th control
Signal processed controls the blank 2 of next batch to main belt 3 feeding.First control signal or the 4th controls letter
Number control action identical, use the one that sends at first to be controlled, use two path control signal, anti-
Only time point control mode occurs that control signal defect causes production accident.
The second time point T2 that step 50, detection blank 2 run, when the operation time of the stub bar of blank 2
The equipment sending the second main belt 3 downstream of control signal control after arriving the second time point T2 carries out charging standard
Standby.
Meanwhile, also by arranging second the first corresponding for stream detection Equipment Inspection the second time point T2 stub bar
Position, sends the 5th control signal when the second stub bar position being detected；Use the second control signal or
Five control signals control the equipment in main belt 3 downstream and carry out charging preparation.Second control signal and the 5th control
The control action of signal processed is identical, uses the one sent at first to be controlled, uses two path control signal,
Prevent that time point control mode occurring, control signal defect causes production accident.
The 3rd time point T3 that step 60, detection blank 2 run, when the operation time of the stub bar of blank 2
Send the 3rd control signal after arriving the 3rd time point T3 and control to detect the equipment charging standard in main belt 3 downstream
For whether completing, if the equipment charging preparation in main belt 3 downstream is not fully complete, then carry out shutdown process.
Meanwhile, the second corresponding for time point T3 also by arranging the 3rd stream detection Equipment Inspection the 3rd stub bar
Position, sends the 6th control signal when the second billet location being detected；By using the 3rd control signal
Or the 6th control signal control to detect the charging warming-up exercise of equipment in main belt 3 downstream and whether complete, if
The charging of the equipment in main belt 3 downstream prepares to be not fully complete, then carry out shutdown process.3rd control signal and
The control action of the 6th control signal is identical, uses the one sent at first to be controlled, uses two-way control
Signal processed, prevents occurring in time point control mode that control signal defect causes production accident.
The value of the first delay time Δ T1 and the second delay time Δ T2 is the 1-3 second, reaction time Δ T3
For the 10-11 second.
The blast furnace main belt material flow tracing control method provided the present invention below in conjunction with specific embodiment is entered
Row explanation:
Embodiment 1
Seeing Fig. 1 and Fig. 2, it is 2s that charge can seals the duration of valve opening t1 value of valve 1, turning-plate chute 4
Actuation time, t2 was 2s, and the time t3 value that blank 2 moves to emptying point from off-take point is 30s.First
Delay time Δ T1 is 2s, and the second delay time Δ T2 is 2s, and reaction time Δ T3 is 10s.Calculate
Obtaining first time point T1 is 6s, and the second time point T2 is 8s, and the 3rd time point T3 is 20 seconds.
In the course of the work, the first control signal sent before the 4th control signal, used the first control
Signal controls the blank 2 of next batch to main belt 3 feeding.Second control signal is in the 5th control signal
Sending, the equipment being controlled main belt 3 downstream by the second control signal carries out charging preparation before.First
Detection signal sent before the second detection signal, and the first detection signal controls to detect main belt 3 downstream
Whether equipment charging prepares to complete, and the equipment charging preparation in the most main belt 3 downstream is not fully complete, then carry out
Shutdown processes, and reports to the police simultaneously.
Embodiment 2
Seeing Fig. 1 and Fig. 2, it is 2s that charge can seals the duration of valve opening t1 value of valve 1, turning-plate chute 4
Actuation time, t2 was 2s, and the time t3 value that blank 2 moves to emptying point from off-take point is 28s.First
Delay time Δ T1 is 2s, and the second delay time Δ T2 is 2s, and reaction time Δ T3 is 10s.Calculate
Obtaining first time point T1 is 6s, and the second time point T2 is 8s, and the 3rd time point T3 is 18 seconds.
In the course of the work, the first control signal sends after the 4th control signal, uses the 4th control
Signal controls the blank 2 of next batch to main belt 3 feeding.Second control signal is in the 5th control signal
Sending, the equipment being controlled main belt 3 downstream by the second control signal carries out charging preparation before.First
Detection signal sends after the second detection signal, and the second detection signal controls to detect main belt 3 downstream
Whether equipment charging prepares to complete, and the equipment charging in the most main belt 3 downstream prepares to complete, and does not enters
Row is intervened.
Embodiment 3
Seeing Fig. 1 and Fig. 2, it is 3s that charge can seals the duration of valve opening t1 value of valve 1, turning-plate chute 4
Actuation time, t2 was 3s, and the time t3 value that blank 2 moves to emptying point from off-take point is 25s.First
Delay time Δ T1 is 2s, and the second delay time Δ T2 is 3s, and reaction time Δ T3 is 10s.Obtain
First time point T1 is 8s, and the second time point T2 is 11s, and the 3rd time point T3 is 15 seconds.
In the course of the work, the first control signal sent before the 4th control signal, used the first control
Signal controls the blank 2 of next batch to main belt 3 feeding.Second control signal is in the 5th control signal
Sending afterwards, the equipment being controlled main belt 3 downstream by the 5th control signal carries out charging preparation.First
Detection signal sent before the second detection signal, and the first detection signal controls to detect main belt 3 downstream
Whether equipment charging prepares to complete, and the equipment charging preparation in the most main belt 3 downstream is not fully complete, then carry out
Shutdown processes, and reports to the police simultaneously.
Embodiment 4
Seeing Fig. 1 and Fig. 2, it is 3s that charge can seals the duration of valve opening t1 value of valve 1, turning-plate chute 4
Actuation time, t2 was 3s, and the time t3 value that blank 2 moves to emptying point from off-take point is 26s.First
Delay time Δ T1 is 2s, and the second delay time Δ T2 is 3s, and reaction time Δ T3 is 11s.Obtain
First time point T1 is 8s, and the second time point T2 is 11s, and the 3rd time point T3 is 15 seconds.
In the course of the work, the first control signal sends after the 4th control signal, uses the 4th control
Signal controls the blank 2 of next batch to main belt 3 feeding.Second control signal is in the 5th control signal
Sending afterwards, the equipment being controlled main belt 3 downstream by the 5th control signal carries out charging preparation.First
Detection signal sends after the second detection signal, and the second detection signal controls to detect main belt 3 downstream
Whether equipment charging prepares to complete, and the equipment charging in the most main belt 3 downstream prepares to complete, and does not enters
Row is intervened.
The embodiment of the present invention additionally provides the blast furnace main belt material flow tracing control corresponding with above-described embodiment 1-4
Device processed, this device includes: the first computing unit, the second computing unit, the 3rd computing unit, first
Processing unit, the second processing unit, the 3rd processing unit, the first material flow assay device, the second stream inspection
Measurement equipment, the 3rd material flow assay device, memory cell and display unit.
First computing unit is with calculating first time point T1, and T1=t1+t2+ Δ T1, t1 are that charge can seals valve
The duration of valve opening of 1, t2 is turning-plate chute 4 actuation time, and Δ T1 is the first delay time.Second calculates
Unit is for calculating the second time point T2, and T2=t2+ Δ T2, t2 are charging apparatus time, Δ T2
It it is the second delay time.3rd computing unit is for calculating the 3rd time point T3, T3=t3-Δ T3, and t3 is
Blank 2 moves to the time in emptying point from off-take point, and Δ T3 is the reaction time；First processing unit and
One computing unit communication, first time point T1 that detection blank 2 runs, the material tail of blank 2 arrives first
Send the first control signal after time point T1 and control the blank 2 of next batch to main belt filled.At second
Reason unit and the second computing unit communication, the second time point T2 that detection blank 2 runs, the material of blank 2
Head sends the equipment in the second main belt downstream of control signal control and carries out charging standard after arriving the second time point T2
Standby.3rd processing unit and the 3rd computing unit communication, the 3rd time point T3 that detection blank 2 runs,
The stub bar of blank 2 sends setting of the first detection signal detection main belt 3 downstream after arriving the 3rd time point T3
Whether standby charging prepares to complete, if the equipment charging preparation in main belt 3 downstream is not fully complete, then shuts down
Process.
First material flow assay device and the first computing unit communication, detection first time point T1 corresponding first
Material tail position, sends the 4th control signal when the first material tail position being detected；Use the first control signal
Or the 4th control signal control next batch blank 2 to main belt 3 feeding.Second material flow assay device
With the second computing unit communication, detect second the first corresponding for time point T2 stub bar position, when detecting
The 5th control signal is sent during one stub bar position；The second control signal or the 5th control signal is used to control main
The equipment in belt downstream carries out charging and prepares.3rd material flow assay device and the 3rd computing unit communication, inspection
Survey the 3rd the second corresponding for time point T3 stub bar position, send the 6th control when the second stub bar position being detected
Signal processed；By using the one or three control signal or the 6th control signal to control to detect main belt 3 downstream
Whether the charging warming-up exercise of equipment completes, if the charging of the equipment in main belt 3 downstream prepares to be not fully complete,
Then carry out shutdown process.
Memory cell and the first computing unit, the second computing unit and the 3rd computing unit communication, storage the
The data of one computing unit, the second computing unit and the 3rd computing unit are (as charge can seals opening of valve 1
Valve time t1, turning-plate chute 4 t2 actuation time, charging apparatus time t3, blank 2 are from off-take point
Move to the time t4 in emptying point, the first delay time Δ T1, the second delay time Δ T2, the 3rd time delay
Time Δ T3, first time point T1, the second time point T2, the 3rd time point T3 etc.) and blast furnace smelting
The data of refining demand are (such as lot number, matrix number, step number, material kind, weight, time, direction, angle angle
The parameters such as position cloth number).Memory module uses packet storage in storing process, it is simple to returning of data
Class machine extracts.Display unit and the first computing unit, the second computing unit and described 3rd computing unit are logical
Letter, builds main belt stream picture, the position relationship of Dynamic Announce stream and main belt, and display the
The data such as one time point T1, the second time point T2 and the 3rd time point T3.
One or more technical schemes that the present invention provides, at least possess following beneficial effect or advantage:
One, the present invention provide blast furnace main belt material flow tracing control method and device, utilize time point table
Show stream position on main belt, by time point control mode to the making time of next blank, master
The equipment in belt downstream carries out the equipment charging preparation detection in charging time and main belt downstream
Time carries out Discrete control, controls process stabilization, therefore flow detector can be avoided to damage and cause equipment by mistake
The technical problem of action, can reduce the fault in production caused because of flow detector fault.
Two, the present invention provide blast furnace main belt material flow tracing control method and device, use the first stream
The position of blank is detected by detection equipment, the second material flow assay device and the 3rd material flow assay device,
By positional information, making time, the equipment in main belt downstream of next blank are carried out the time that feeds
And the equipment charging preparation detection time in main belt downstream is controlled, to time point control mode
Carry out assisting control, prevent that time point control mode occurring, control signal defect causes production accident.
Three, the present invention provides blast furnace main belt material flow tracing control method and device, be provided with storage single
Unit, memory cell storage can store the first computing unit, the second computing unit and the number of the 3rd computing unit
According to this and the data of blast furnace process demand, it is achieved data backup, it is simple to carry out data after fault in production occurs
Recover.
It should be noted last that, above detailed description of the invention only in order to technical scheme to be described and
Unrestricted, although being described in detail the present invention with reference to example, those of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the present invention
The spirit and scope of technical scheme, it all should be contained in the middle of scope of the presently claimed invention.
Claims (10)
1. a blast furnace main belt material flow tracing control method, it is characterised in that described method includes:
Calculating first time point T1, described T1=t1+t2+ Δ T1, described t1 are that charge can seals opening of valve
The valve time, described t2 is turning-plate chute actuation time, and described Δ T1 is the first delay time；
Calculating the second time point T2, described T2=T1+ Δ T2, described Δ T2 are the second delay time；
Calculating the 3rd time point T3, described T3=t3-Δ T3, described t3 are that the stub bar of blank is at main belt
The total time of upper operation, described Δ T3 is the reaction time；
Detecting first time point T1 that described blank runs, the material tail of blank arrives described first time point T1
After send first control signal control next batch blank to described main belt filled；
Detecting the second time point T2 that described blank runs, the stub bar of blank arrives described second time point T2
After send second control signal control described main belt downstream equipment carry out feed warming-up exercise；
Detecting the 3rd time point T3 that described blank runs, the stub bar of blank arrives described 3rd time point T3
After send the 3rd control signal control detect described main belt downstream equipment charging prepare whether complete, if
The equipment charging preparation in described main belt downstream is not fully complete, then carry out shutdown process.
2. blast furnace main belt material flow tracing control method as claimed in claim 1, it is characterised in that institute
Method of stating also includes:
The first material tail position corresponding by arranging first time point T1 described in the first stream detection Equipment Inspection
Put, send the 4th control signal when described first material tail position being detected；
The first control signal or described 4th control signal is used to control the blank of next batch to described main skin
Band feeding.
3. blast furnace main belt material flow tracing control method as claimed in claim 2, it is characterised in that institute
Method of stating also includes:
By arranging second the first corresponding for time point T2 stub bar position described in the second stream detection Equipment Inspection
Put, send the 5th control signal when described first stub bar position being detected；
The equipment using the second control signal or described 5th control signal to control described main belt downstream is carried out
Charging prepares.
4. blast furnace main belt material flow tracing control method as claimed in claim 3, it is characterised in that institute
Method of stating also includes:
By arranging the 3rd the second corresponding for time point T3 stub bar position described in the 3rd stream detection Equipment Inspection
Put, send the 6th control signal when described second stub bar position being detected；
By using the 3rd control signal or described 6th control signal to control to detect described main belt downstream
Whether the charging warming-up exercise of equipment completes, if the charging of the equipment in described main belt downstream prepares to be not fully complete,
Then carry out shutdown process.
5. the blast furnace main belt material flow tracing control method as described in any one of claim 1-4, its feature
Being, described first delay time Δ T1 and described second delay time Δ T2 is the 1-3 second, described reaction
Time Δ T3 is the 10-11 second.
6. a blast furnace main belt material flow tracing controls device, it is characterised in that described device includes:
First computing unit, calculates first time point T1, and described T1=t1+t2+ Δ T1, described t1 are dress
Batch can seals the duration of valve opening of valve, and described t2 is turning-plate chute actuation time, and described Δ T1 is the first time delay
Time；
Second computing unit, calculates the second time point T2, and described T2=T1+ Δ T2, described Δ T2 are
Two delay times；
3rd computing unit, calculates the 3rd time point T3, and described T3=t3-Δ T3, described t3 are blank
Total time of running on main belt of stub bar, described Δ T3 is the reaction time；
First processing unit, with described first computing unit communication, detects the material tail operation of described blank
First time point T1, sends the first control signal and controls next batch after arriving described first time point T1
Blank to described main belt filled；
Second processing unit, with described second computing unit communication, detects the stub bar operation of described blank
Second time point T2, sends the second control signal and controls described main skin after arriving described second time point T2
Equipment with downstream carries out the warming-up exercise that feeds；
3rd processing unit, with described 3rd computing unit communication, detects the stub bar operation of described blank
3rd time point T3, sends the 3rd control signal and controls described in detection after arriving described 3rd time point T3
Whether the equipment charging in main belt downstream prepares to complete, if the equipment charging in described main belt downstream prepares not
Complete, then carry out shutdown process.
7. blast furnace main belt material flow tracing as claimed in claim 6 controls device, it is characterised in that institute
State device also to include:
First material flow assay device, with described first computing unit communication, detects described first time point T1
The first corresponding material tail position, sends the 4th control signal when described first material tail position being detected；
The first control signal or described 4th control signal is used to control the blank of next batch to described main skin
Band feeding.
8. blast furnace main belt material flow tracing as claimed in claim 7 controls device, it is characterised in that institute
State device also to include:
Second material flow assay device, with described second computing unit communication, detects described second time point T2
The first corresponding stub bar position, sends the 5th control signal when described first stub bar position being detected；
The equipment using the second control signal or described 5th control signal to control described main belt downstream is carried out
Charging prepares.
9. blast furnace main belt material flow tracing as claimed in claim 8 controls device, it is characterised in that institute
State device also to include:
3rd material flow assay device, with described 3rd computing unit communication, detects described 3rd time point T3
The second corresponding stub bar position, sends the second detection signal when described second stub bar position being detected；
By using the 3rd control signal or described 6th control signal to control to detect described main belt downstream
Whether the charging warming-up exercise of equipment completes, if the charging of the equipment in described main belt downstream prepares to be not fully complete,
Then carry out shutdown process.
10. the blast furnace main belt material flow tracing as described in any one of claim 7-9 controls device, its feature
Being, described device also includes:
Memory cell, logical with described first computing unit, the second computing unit and described 3rd computing unit
Letter, store described first computing unit, the second computing unit and the data of described 3rd computing unit and
Blast furnace process data；
Display unit is logical with described first computing unit, the second computing unit and described 3rd computing unit
Letter, builds the position relationship of main belt stream picture, Dynamic Announce stream and described main belt, Yi Jixian
Show described first time point T1, the second time point T2 and described 3rd time point T3.
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| CN110681307A (en) * | 2019-09-27 | 2020-01-14 | 首钢京唐钢铁联合有限责任公司 | Material mixing method and device |
| CN113174451A (en) * | 2021-04-15 | 2021-07-27 | 鞍钢股份有限公司 | Control method for pre-loading distribution of blast furnace burden |
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| CN203096093U (en) * | 2013-01-21 | 2013-07-31 | 蒋广宇 | Blast furnace feeding control system |
| CN104962672A (en) * | 2014-10-15 | 2015-10-07 | 北京金自天正智能控制股份有限公司 | Designing method for blast furnace material list |
| CN104988261A (en) * | 2015-06-30 | 2015-10-21 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Blast furnace belt feeding system and material list setting method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203096093U (en) * | 2013-01-21 | 2013-07-31 | 蒋广宇 | Blast furnace feeding control system |
| CN104962672A (en) * | 2014-10-15 | 2015-10-07 | 北京金自天正智能控制股份有限公司 | Designing method for blast furnace material list |
| CN104988261A (en) * | 2015-06-30 | 2015-10-21 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Blast furnace belt feeding system and material list setting method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110681307A (en) * | 2019-09-27 | 2020-01-14 | 首钢京唐钢铁联合有限责任公司 | Material mixing method and device |
| CN113174451A (en) * | 2021-04-15 | 2021-07-27 | 鞍钢股份有限公司 | Control method for pre-loading distribution of blast furnace burden |
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