CN108277314A - Material distribution method and device - Google Patents
Material distribution method and device Download PDFInfo
- Publication number
- CN108277314A CN108277314A CN201810164180.5A CN201810164180A CN108277314A CN 108277314 A CN108277314 A CN 108277314A CN 201810164180 A CN201810164180 A CN 201810164180A CN 108277314 A CN108277314 A CN 108277314A
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- China
- Prior art keywords
- deviation
- cloth
- bias
- bias levels
- value
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 title abstract description 6
- 239000004744 fabric Substances 0.000 claims abstract description 111
- 238000013507 mapping Methods 0.000 claims description 17
- 238000010304 firing Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/18—Bell-and-hopper arrangements
- C21B7/20—Bell-and-hopper arrangements with appliances for distributing the burden
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Feedback Control In General (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The embodiment of the invention provides a material distributing method and a device, wherein the method comprises the following steps: obtaining a deviation value of the last batch of material distribution of the current batch of material distribution; determining a deviation level based on the deviation value of the previous batch of cloth; determining a deviation correction factor based on the deviation level; determining a deviation correction value by using the deviation correction coefficient; controlling an opening degree of a throttle valve based on the deviation correction value; therefore, when the opening degree of the throttle valve is adjusted, different deviation correction coefficients are firstly determined according to different deviation levels, and then deviation correction values are determined according to corresponding deviation correction coefficients, so that the obtained deviation correction values are higher in precision, the correction precision of the opening degree deviation of the throttle valve is improved, and the distribution precision is further ensured.
Description
Technical field
The invention belongs to iron and steel smelting technology field more particularly to a kind of distributing methods and device.
Background technology
When carrying out cloth operation for bell-less furnace top blast furnace, when cloth batch weight changes, if wanting to keep the cloth number of turns
Precision, then need suitably adjust throttle valve opening size so that often enclose furnace charge can be uniformly distributed.
But in the prior art, it is that will appear certain accuracy error in the aperture of adjustment throttle valve, when correcting deviation,
All it is the positive and negative deviation amendment for carrying out same angle value for different size of deviation, it is big that there are deviations, corrects slow wait and lacks
Point causes cloth precision cannot be guaranteed.
Invention content
In view of the problems of the existing technology, an embodiment of the present invention provides a kind of distributing method and devices, for solving
It is not high to the correction precision of throttle valve opening deviation when there is cloth deviation in the prior art in blast furnace material distribution, cause cloth smart
The technical issues of degree cannot be guaranteed.
The embodiment of the present invention provides a kind of distributing method, the method includes：
Obtain the deviation of the last batch cloth of present lot cloth；
Deviation determination deviation rank based on the last batch cloth；
Based on the bias levels determination deviation correction coefficient；
Utilize the bias correction coefficient determination deviation correction value；
The aperture of throttle valve is controlled based on the bias correction value.
In said program, the deviation of the last batch cloth for getting preceding batch cloth, including：
Obtain the cloth value of the last batch cloth and preset benchmark cloth value；
Cloth value and preset benchmark cloth value based on the last batch cloth determine the deviation.
In said program, the deviation based on the last batch cloth and the benchmark cloth value determination deviation grade
Not, including：
It is in the deviation | deviation | in the case of 0.3 ＜, determine that the bias levels are the first bias levels；
The deviation be 0.3≤| deviation | in the case of 0.5 ＜, determine the bias levels be the second deviation grade
Not；
The deviation be 0.5≤| deviation | in the case of 0.8 ＜, determine the bias levels be third deviation grade
Not；
The deviation be 0.8≤| deviation | in the case of 1.0 ＜, determine the bias levels be the 4th deviation grade
Not；
The deviation be 1≤| deviation | in the case of 5 ＜, determine the bias levels be the 5th bias levels.
It is described based on the bias levels determination deviation correction coefficient in said program, including：
Preset mapping table is obtained, is stored in the mapping table between the bias levels and the bias correction coefficient
Correspondence；
The corresponding bias correction coefficient of the bias levels is searched in preset mapping table.
It is described using the correction coefficient determination deviation correction value in said program, including：
Utilize formulaDetermine bias correction value f (the Δ x)；Wherein, the Δ x is described upper one
The deviation of batch cloth, the ε are the correction coefficient.
The embodiment of the present invention also provides a kind of distribution device, and described device includes：
Acquiring unit, the deviation of the last batch cloth for obtaining present lot cloth；
First determination unit is used for the deviation determination deviation rank based on the last batch cloth；
Second determination unit, for being based on the bias levels determination deviation correction coefficient；
Third determination unit, for utilizing the correction coefficient determination deviation correction value；
Control unit, the aperture for controlling throttle valve based on the bias correction value.
In said program, the acquiring unit is specifically used for：
Obtain the cloth value of the last batch cloth and preset benchmark cloth value；
Cloth value and preset benchmark cloth value based on the last batch cloth determine the deviation.
In said program, first determination unit is specifically used for：It is in the deviation | deviation | the case where 0.3 ＜
Under, determine that the bias levels are the first bias levels；
The deviation be 0.3≤| deviation | in the case of 0.5 ＜, determine the bias levels be the second deviation grade
Not；
The deviation be 0.5≤| deviation | in the case of 0.8 ＜, determine the bias levels be third deviation grade
Not；
The deviation be 0.8≤| deviation | in the case of 1.0 ＜, determine the bias levels be the 4th deviation grade
Not；
The deviation be 1≤| deviation | in the case of 5 ＜, determine the bias levels be the 5th bias levels.
In said program, second determination unit is specifically used for：Preset mapping table is obtained, is stored in the mapping table
There is the correspondence between the bias levels and the bias correction coefficient；
The corresponding bias correction coefficient of the bias levels is searched in preset mapping table.
In said program, described control unit is specifically used for：
Utilize formulaDetermine bias correction value f (the Δ x)；Wherein, the Δ x is described upper one
The deviation of batch cloth, the ε are the correction coefficient.
An embodiment of the present invention provides a kind of distributing method and device, the method includes：Batch cloth before getting
The deviation of last batch cloth；Deviation determination deviation rank based on the last batch cloth；Based on the deviation grade
Other determination deviation correction coefficient；Utilize the bias correction coefficient determination deviation correction value；It is controlled based on the bias correction value
The aperture of throttle valve；It is that different deviations is determined according to different bias levels first in this way, when adjusting the aperture of throttle valve
Correction coefficient determines bias correction value further according to corresponding bias correction coefficient, and the bias correction value precision obtained in this way is more
Height then the correction precision to throttle valve opening deviation can also improve, and then ensures cloth precision.
Description of the drawings
Fig. 1 is the distributing method flow diagram that the embodiment of the present invention one provides；
Fig. 2 is distribution device structural schematic diagram provided by Embodiment 2 of the present invention.
Specific implementation mode
It is not high to the correction precision of deviation when there is cloth deviation in order to solve in the prior art in blast furnace material distribution, cause
The technical issues of cloth precision cannot be guaranteed, an embodiment of the present invention provides a kind of distributing method and device, the method packets
It includes：The deviation of the last batch cloth of batch cloth before getting；It is determined partially based on the deviation of the last batch cloth
Poor rank；Based on the bias levels determination deviation correction coefficient；Utilize the bias correction coefficient determination deviation correction value；Base
The aperture of throttle valve is controlled in the bias correction value.
Technical scheme of the present invention is described in further detail below by drawings and the specific embodiments.
Embodiment one
The present embodiment provides a kind of distributing methods, as shown in Figure 1, the method includes：
S101 obtains the deviation of the last batch cloth of present lot cloth；
In this step, is carrying out before previous cloth, is obtaining the deviation of the last batch cloth of present lot cloth,
Can be modified to the aperture deviation of throttle valve so that when the precision higher of previous cloth.
Specifically, the cloth value of the last batch cloth and preset benchmark cloth value are obtained；Based on the last consignment of
The cloth value of secondary cloth and preset benchmark cloth value determine the deviation.The cloth value refers to the cloth number of turns.
For example, preset benchmark cloth value is 10 circles, if the cloth value of last batch cloth is 9 circles, then deviation is just
Minus deviation, deviation 1.If the cloth value of last batch cloth is 11 circles, then deviation is just overgauge, deviation 1.
S102, the deviation determination deviation rank based on the last batch cloth；
In this step, after getting the deviation of last batch cloth, in order to improve the amendment precision of deviation, root is needed
According to the deviation determination deviation rank of the last batch cloth.
Specifically, it is in the deviation | deviation | in the case of 0.3 ＜, determine that the bias levels are the first deviation
Rank；The deviation be 0.3≤| deviation | in the case of 0.5 ＜, determine the bias levels be the second bias levels；
The deviation be 0.5≤| deviation | in the case of 0.8 ＜, determine the bias levels be third bias levels；Institute
State deviation be 0.8≤| deviation | in the case of ＜ 1.0, determine the bias levels be the 4th bias levels；Described inclined
Difference be 1≤| deviation | in the case of ＜ 5, determine the bias levels be the 5th bias levels.
Deviation is divided into above-mentioned five sections in this way, when just being corrected to deviation, amendment essence can be further increased
Degree.
S103 is based on the bias levels determination deviation correction coefficient；
In this step, after getting bias levels, it is based on the bias levels determination deviation correction coefficient.
Specifically, preset mapping table is obtained, the bias levels and the bias correction are stored in the mapping table
Correspondence between coefficient；The corresponding bias correction coefficient of the bias levels is searched in preset mapping table.
For example, when bias levels be the first bias levels when, already belong to normal deviation range, without to this deviation into
Row is corrected.
When bias levels are the second bias levels, corresponding correction coefficient is 0.5；
When bias levels are third bias levels, corresponding correction coefficient is 0.4；
When bias levels are four bias levels, corresponding correction coefficient is 0.3；
When bias levels are five bias levels, corresponding correction coefficient is 0.2.
S104 utilizes the bias correction coefficient determination deviation correction value；
After bias correction coefficient is determined, the bias correction coefficient determination deviation correction value is utilized.
Specifically, bias correction value is determined using formula (1)：
In formula (1), (Δ x) is bias correction value to the f；The Δ x is the deviation of the last batch cloth,
The ε is the correction coefficient.
S105 controls the aperture of throttle valve based on the bias correction value.
In this step, after determining bias correction value, so that it may to control the aperture of throttle valve based on the bias correction value
.
Embodiment two
Corresponding to embodiment one, the present embodiment provides a kind of distribution devices, as shown in Fig. 2, described device includes：It obtains single
First 21, first determination unit 22, the second determination unit 23, third determination unit 24 and control unit 25；Wherein,
It is carrying out before previous cloth, acquiring unit 21 needs to obtain the inclined of the last batch cloth of present lot cloth
Difference, can be modified to the aperture deviation of throttle valve so that when the precision higher of previous cloth.
Specifically, acquiring unit 21 obtains the cloth value of the last batch cloth and preset benchmark cloth value；It is based on
The cloth value of the last batch cloth and preset benchmark cloth value determine the deviation.The cloth value refers to cloth feed ring
Number.
For example, preset benchmark cloth value is 10 circles, if the cloth value of last batch cloth is 9 circles, then deviation is just
Minus deviation, deviation 1.If the cloth value of last batch cloth is 11 circles, then deviation is just overgauge, deviation 1.
After the deviation for getting last batch cloth, in order to improve the amendment precision of deviation, the first determination unit 22 needs
It will be according to the deviation determination deviation rank of the last batch cloth.
Specifically, it is in the deviation | deviation | in the case of 0.3 ＜, the first determination unit 22 determines the deviation
Rank is the first bias levels；The deviation be 0.3≤| deviation | in the case of 0.5 ＜, the first determination unit 22 is really
The fixed bias levels are the second bias levels；The deviation be 0.5≤| deviation | in the case of 0.8 ＜, first really
Order member 22 determines that the bias levels are third bias levels；The deviation be 0.8≤| deviation | the case where 1.0 ＜
Under, the first determination unit 22 determines that the bias levels are the 4th bias levels；The deviation be 1≤| deviation | ＜ 5
In the case of, the first determination unit 22 determines that the bias levels are the 5th bias levels.
Deviation is divided into above-mentioned five sections in this way, when just being corrected to deviation, amendment essence can be further increased
Degree.
After getting bias levels, the second determination unit 23 is used to be based on the bias levels determination deviation correction coefficient.
Specifically, preset mapping table is obtained, is stored in the mapping table between the bias levels and the bias correction coefficient
Correspondence；The corresponding bias correction coefficient of the bias levels is searched in preset mapping table.
For example, when bias levels be the first bias levels when, already belong to normal deviation range, without to this deviation into
Row is corrected.
When bias levels are the second bias levels, corresponding correction coefficient is 0.5；
When bias levels are third bias levels, corresponding correction coefficient is 0.4；
When bias levels are four bias levels, corresponding correction coefficient is 0.3；
When bias levels are five bias levels, corresponding correction coefficient is 0.2.
After bias correction coefficient is determined, third determination unit 24 is entangled using the bias correction coefficient determination deviation
Positive value.
Specifically, bias correction value is determined using formula (1)：
In formula (1), (Δ x) is bias correction value to the f；The Δ x is the deviation of the last batch cloth,
The ε is the correction coefficient.
Finally, control unit 25 can control the aperture of throttle valve based on the bias correction value.
The advantageous effect that distributing method and device provided in an embodiment of the present invention can be brought is at least：
A kind of distributing method of offer of the embodiment of the present invention and device, the method includes：Obtain the upper of present lot cloth
The deviation of one batch cloth；Deviation determination deviation rank based on the last batch cloth；Based on the bias levels
Determination deviation correction coefficient；Utilize the bias correction coefficient determination deviation correction value；It is controlled and is saved based on the bias correction value
Flow the aperture of valve；It is to determine that different deviations is entangled according to different bias levels first in this way, when adjusting the aperture of throttle valve
Positive coefficient determines bias correction value further according to corresponding bias correction coefficient, the bias correction value precision higher obtained in this way,
So the correction precision of throttle valve opening deviation can also be improved, and then ensure cloth precision.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention, it is all
All any modification, equivalent and improvement made by within the spirit and principles in the present invention etc. should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. a kind of distributing method, which is characterized in that the method includes：
Obtain the deviation of the last batch cloth of present lot cloth；
Deviation determination deviation rank based on the last batch cloth；
Based on the bias levels determination deviation correction coefficient；
Utilize the bias correction coefficient determination deviation correction value；
The aperture of throttle valve is controlled based on the bias correction value.
2. the method as described in claim 1, which is characterized in that it is described obtain present lot cloth last batch cloth it is inclined
Difference, including：
Obtain the cloth value of the last batch cloth and preset benchmark cloth value；
Cloth value and preset benchmark cloth value based on the last batch cloth determine the deviation.
3. the method as described in claim 1, which is characterized in that the deviation based on the last batch cloth and described
Benchmark cloth value determination deviation rank, including：
It is in the deviation | deviation | in the case of 0.3 ＜, determine that the bias levels are the first bias levels；
The deviation be 0.3≤| deviation | in the case of 0.5 ＜, determine the bias levels be the second bias levels；
The deviation be 0.5≤| deviation | in the case of 0.8 ＜, determine the bias levels be third bias levels；
The deviation be 0.8≤| deviation | in the case of 1.0 ＜, determine the bias levels be the 4th bias levels；
The deviation be 1≤| deviation | in the case of 5 ＜, determine the bias levels be the 5th bias levels.
4. the method as described in claim 1, which is characterized in that it is described to be based on the bias levels determination deviation correction coefficient,
Including：
Preset mapping table is obtained, pair being stored in the mapping table between the bias levels and the bias correction coefficient
It should be related to；
The corresponding bias correction coefficient of the bias levels is searched in preset mapping table.
5. the method as described in claim 1, which is characterized in that described to utilize the correction coefficient determination deviation correction value, packet
It includes：
Utilize formulaDetermine bias correction value f (the Δ x)；Wherein, the Δ x is the last batch
The deviation of cloth, the ε are the correction coefficient.
6. a kind of distribution device, which is characterized in that described device includes：
Acquiring unit, the deviation of the last batch cloth for obtaining present lot cloth；
First determination unit is used for the deviation determination deviation rank based on the last batch cloth；
Second determination unit, for being based on the bias levels determination deviation correction coefficient；
Third determination unit, for utilizing the correction coefficient determination deviation correction value；
Control unit, the aperture for controlling throttle valve based on the bias correction value.
7. device as claimed in claim 6, which is characterized in that the acquiring unit is specifically used for：
Obtain the cloth value of the last batch cloth and preset benchmark cloth value；
Cloth value and preset benchmark cloth value based on the last batch cloth determine the deviation.
8. device as claimed in claim 6, which is characterized in that first determination unit is specifically used for：In the deviation
For | deviation | in the case of ＜ 0.3, determine that the bias levels are the first bias levels；
The deviation be 0.3≤| deviation | in the case of 0.5 ＜, determine the bias levels be the second bias levels；
The deviation be 0.5≤| deviation | in the case of 0.8 ＜, determine the bias levels be third bias levels；
The deviation be 0.8≤| deviation | in the case of 1.0 ＜, determine the bias levels be the 4th bias levels；
The deviation be 1≤| deviation | in the case of 5 ＜, determine the bias levels be the 5th bias levels.
9. device as claimed in claim 6, which is characterized in that second determination unit is specifically used for：Obtain preset reflect
Firing table, the correspondence being stored in the mapping table between the bias levels and the bias correction coefficient；
The corresponding bias correction coefficient of the bias levels is searched in preset mapping table.
10. device as claimed in claim 6, which is characterized in that described control unit is specifically used for：
Utilize formulaDetermine bias correction value f (the Δ x)；Wherein, the Δ x is the last batch
The deviation of cloth, the ε are the correction coefficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810164180.5A CN108277314B (en) | 2018-02-27 | 2018-02-27 | Material distribution method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810164180.5A CN108277314B (en) | 2018-02-27 | 2018-02-27 | Material distribution method and device |
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| Publication Number | Publication Date |
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| CN108277314A true CN108277314A (en) | 2018-07-13 |
| CN108277314B CN108277314B (en) | 2020-11-20 |
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|---|---|---|---|
| CN201810164180.5A Active CN108277314B (en) | 2018-02-27 | 2018-02-27 | Material distribution method and device |
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Cited By (1)
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| CN108277314B (en) | 2020-11-20 |
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