CN106441106B - Device and method for measuring jitter of hot-dip galvanized strip steel after being discharged from zinc pot - Google Patents
Device and method for measuring jitter of hot-dip galvanized strip steel after being discharged from zinc pot Download PDFInfo
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- CN106441106B CN106441106B CN201610760909.6A CN201610760909A CN106441106B CN 106441106 B CN106441106 B CN 106441106B CN 201610760909 A CN201610760909 A CN 201610760909A CN 106441106 B CN106441106 B CN 106441106B
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000011701 zinc Substances 0.000 title claims abstract description 32
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 17
- 239000010959 steel Substances 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 53
- 238000001914 filtration Methods 0.000 claims abstract description 28
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 19
- 239000008397 galvanized steel Substances 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 9
- 238000005246 galvanizing Methods 0.000 claims abstract 2
- 238000000691 measurement method Methods 0.000 claims description 7
- 206010044565 Tremor Diseases 0.000 claims 1
- 230000010365 information processing Effects 0.000 claims 1
- 238000012937 correction Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Coating With Molten Metal (AREA)
Abstract
The invention relates to a device and a method for measuring the jitter of hot-dip galvanized steel strip after the hot-dip galvanized steel strip is discharged from a zinc pot, wherein the device comprises: a distance sensor and a processing unit; the distance sensor is arranged at a position with a preset distance from the strip steel rolling line; the distance sensor detects real-time distance information between the distance sensor and the strip steel; the processing unit is connected with the distance sensor and obtains the actual shaking amplitude of the strip steel according to the real-time distance and the preset value. The method comprises the following steps: measuring the real-time distance between the distance sensor and the strip steel, and performing first-order filtering processing on the real-time distance for preset time to obtain a set distance correction value; performing first-order filtering processing on the real-time distance for 0.001 second to obtain a real-time distance correction value; and performing difference operation on the real-time distance correction value and the set distance correction value to determine the actual jitter amplitude of the strip steel. The device and the method can monitor the shaking condition of the strip steel after the strip steel is taken out of the zinc pot in a long distance, real time and accurately, and provide timely and accurate reference data for the control of the galvanizing process.
Description
Technical field
The present invention relates to steelmaking technical field, in particular to a kind of hot-dip galvanized steel strip goes out jitter measuring apparatus and side after zinc pot
Method.
Background technique
The shake that strip goes out after zinc pot directly affects zinc-plated thickness and the uniformity, to the plate production of high quality have compared with
Big influence, galvanization production line zinc pot regional temperature is high, and vibration is big, and the strip jitter measurement after zinc pot has just been gone out to band is brought
Greatly interference leads to not the virtual condition for closely implementing monitoring strip.Zinc pot region is high-temperature area, higher temperature
It may cause more close measuring device failure or damage, increase maintenance cost.
Currently, strip jitter measurement mainly visually observes in the prior art, supports, be unfavorable for without actually detected data
The improvement of actual process control.
Summary of the invention
The present invention provides a kind of hot-dip galvanized steel strips to go out jitter measuring apparatus and method after zinc pot, solves or part solves
Strip jitter measurement does not have actually detected data to support in the prior art, is unfavorable for actual process and controls improved technology asking
Topic, realizes remote, real-time, accurate measurements strip and goes out the jitter conditions after zinc pot, provides timely standard for zincincation control
The technical effect of true reference data.
Jitter measuring apparatus includes: after a kind of hot-dip galvanized steel strip provided by the invention goes out zinc pot
Range sensor, being arranged in is at the position of preset value with the belt steel rolling linear distance;The range sensor
For detecting the range sensor to the real-time range between the strip, and generate real-time range information;
Processing unit is connect with the range sensor, receives the real-time range information, and according to the real-time range
The real-time range and the preset value that information is characterized, obtain the actual jitter amplitude of the strip.
Preferably, the real-time range that the processing unit is characterized according to the real-time range information is preset with described
Value, the actual jitter amplitude for obtaining the strip include:
The processing unit receives the real-time range information and carries out the one of preset time to the real-time range information
Rank filtering processing, obtains set distance corrected value;
The processing unit receives the real-time range information and carries out 0.001 second single order to the real-time range information
Filtering processing obtains real-time range corrected value;
The processing unit does difference operation to the real-time range corrected value and the set distance corrected value, can be true
The actual jitter amplitude of the fixed strip.
Preferably, being carried out in the first-order filtering processing of preset time to the real-time range information, the preset time
It is 100 seconds.
Preferably, the range sensor is laser range finder.
Preferably, the processing unit is single-chip microcontroller, it is connect by cable with the range sensor.
Based on same inventive concept, the present invention also provides a kind of hot-dip galvanized steel strips to go out jitter measurement method after zinc pot,
Jitter measuring apparatus is realized after going out zinc pot by the hot-dip galvanized steel strip, and the jitter measurement method includes:
Range sensor is measured to the real-time range between the strip;
The first-order filtering processing that preset time is carried out to the real-time range, obtains set distance corrected value;
The first-order filtering processing that 0.001 second is carried out to the real-time range, obtains real-time range corrected value;
The real-time range corrected value and the set distance corrected value do difference operation, that is, can determine the reality of the strip
Border jitter amplitude.
Preferably, measurement range sensor includes: to the real-time range between the strip
The range sensor is measured to the real-time range between the strip by the range sensor and generates reality
When range information;
Processing unit is sent by the real-time range information.
Preferably, the first-order filtering for carrying out preset time to the real-time range is handled, set distance corrected value is obtained
Include:
The processing unit receives and the first-order filtering carried out 100 seconds to the real-time range information is handled, and is set
Range correction value.
Preferably, the first-order filtering for carrying out preset time to the real-time range is handled, set distance corrected value is obtained
Include:
The processing unit receives and the first-order filtering carried out 0.001 second to the real-time range information is handled, and obtains real
When range correction value.
One or more technical solutions provided herein, have at least the following technical effects or advantages:
It is due to using the position fixed range sensor in the distance apart from belt steel rolling line for preset value, processing is single
Member is connect with range sensor;Pass through range sensor detecting distance sensor to the real-time range between strip and generates real-time
Range information;The real-time range that is characterized through the processing unit according to real-time range information and preset value and the reality for determining strip
Jitter amplitude.There is no actually detected data to support in this way, efficiently solving strip jitter measurement in the prior art, is unfavorable for reality
The technical issues of technology controlling and process is improved, realizes remote, real-time, accurate measurements strip and goes out the jitter conditions after zinc pot, for plating
Zinc technology control provides the technical effect of reference data promptly and accurately.
Detailed description of the invention
Fig. 1 is the measuring principle figure that hot-dip galvanized steel strip provided by the invention goes out jitter measuring apparatus after zinc pot;
Fig. 2 is the flow chart that hot-dip galvanized steel strip provided by the invention goes out jitter measurement method after zinc pot.
(component that each label represents in diagram successively are as follows: 1 range sensor, 2 processing units, 3 strips)
Specific embodiment
The embodiment of the present application provides a kind of hot-dip galvanized steel strip and goes out jitter measuring apparatus and method after zinc pot, solves or portion
Point solving strip jitter measurement in the prior art does not have actually detected data to support, is unfavorable for actual process and controls improved skill
Processing unit is connect with range sensor, is realized by the setting position fixed range sensor outside roll line by art problem
At a distance, in real time, accurate measurements strip go out the jitter conditions after zinc pot, provide reference number promptly and accurately for zincincation control
According to technical effect.
Referring to attached drawing 1, jitter measuring apparatus includes: Distance-sensing after a kind of hot-dip galvanized steel strip provided by the invention goes out zinc pot
Device 1 and processing unit 2;It is at the position of preset value with belt steel rolling linear distance that range sensor 1, which is arranged in,;Range sensor 1
For the real-time range between detecting distance sensor 1 to strip 3, and generate real-time range information;Processing unit 2 with apart from biography
Sensor 1 connects, and receives real-time range information, and the real-time range and preset value characterized according to real-time range information, obtains band
The actual jitter amplitude of steel 3.
The jitter measuring apparatus avoids close-in measurement adverse effect, realizes remote, real-time, accurate measurements
Strip 3 goes out the jitter conditions after zinc pot, provides reference data promptly and accurately for zincincation control.
Further, the real-time range and preset value that processing unit 2 is characterized according to real-time range information, obtain strip 3
Actual jitter amplitude include:
Processing unit 2 receives real-time range information and the first-order filtering for carrying out preset time to real-time range information is handled,
Obtain set distance corrected value, i.e. roll line distance between range sensor 1 to belt steel rolling line;Reality as one preferred
Example is applied, preset time is 100 seconds.Processing unit 2 receives real-time range information and carries out the one of 0.001 second to real-time range information
Rank filtering processing, obtains real-time range corrected value;Processing unit 2 does difference to real-time range corrected value and set distance corrected value
Operation can determine the actual jitter amplitude of strip 3.
Further, range sensor 1 is laser range finder, and position face goes out the strip 3 after zinc pot, laser range finder energy
It realizes telemeasurement, avoids close-in measurement adverse effect.
Further, processing unit 2 is single-chip microcontroller, is connect by cable with range sensor 1.
Jitter measurement after hot-dip galvanized steel strip provided by the present application goes out zinc pot is discussed in detail below by specific embodiment to fill
The structure feature and working principle set:
Range sensor 1 is laser range finder, and processing unit 2 is PLC (single-chip microcontroller);Laser range finder is arranged in strip 3
Above the technological operation room of right opposite, the real-time range of measurement laser range finder to strip 3, laser range finder is by the reality of strip 3
When distance be converted into electric signal, electric signal imports data-interface by cable, is then passed to PLC.Signal does two after reaching PLC
On the one hand the processing of aspect is the first-order filtering processing carried out 100 seconds, obtains set distance corrected value, avoid direct rolling line
The error of range measurement, and can accurately reflect the physical location of strip 3;It is the first-order filtering carried out 0.001 second on the other hand,
The interference for filtering out high frequency waves obtains the waveform of the practical vibration frequency range of strip 3, i.e. real-time range corrected value.Then by set distance
Corrected value and real-time range corrected value do difference operation, can find out 3 actual jitter amplitude of strip, jitter value calculated in this way
By actually detected, accuracy meets the demand of field control in 0.1mm.
Based on same inventive concept, the present invention also provides a kind of hot-dip galvanized steel strips to go out jitter measurement method after zinc pot,
Jitter measuring apparatus realizes that, referring to attached drawing 2, which includes: after going out zinc pot by above-mentioned hot-dip galvanized steel strip
S1: the real-time range between measurement range sensor 1 to strip 3.
S2: the first-order filtering for carrying out preset time to real-time range is handled, and obtains set distance corrected value.
S3: the first-order filtering carried out 0.001 second to real-time range is handled, and obtains real-time range corrected value.
S4: real-time range corrected value and set distance corrected value do difference operation, that is, can determine the actual jitter width of strip 3
Degree.
The specific steps of the jitter measurement method of the application are introduced below by specific embodiment:
S1: range sensor 1 measures range sensor 1 to the real-time range between strip 3, and by the real-time range of generation
Information is sent to processing unit 2.
S2: the first-order filtering that processing unit 2 carries out real-time range information 100 seconds is handled, and obtains set distance corrected value,
As range sensor 1 arrives the roll line distance between belt steel rolling line.
S3: the first-order filtering that processing unit 2 carries out real-time range information 0.001 second is handled, and obtains real-time range correction
Value.
S4: real-time range corrected value and set distance corrected value are done difference operation by processing unit 2, that is, can determine strip 3
Actual jitter amplitude.
One or more technical solutions provided herein, have at least the following technical effects or advantages:
Due to using the position fixed range sensor 1 in the distance apart from belt steel rolling line for preset value, will handle
Unit 2 is connect with range sensor 1;Simultaneously by the real-time range between 1 detecting distance sensor 1 of range sensor to strip 3
Generate real-time range information;2 real-time ranges characterized according to real-time range information are determined with preset value through the processing unit
The actual jitter amplitude of strip 3.In this way, efficiently solving 3 jitter measurement of strip in the prior art does not have actually detected data branch
Hold, be unfavorable for actual process control improve the technical issues of, realize remote, real-time, accurate measurements strip 3 go out zinc pot after
Jitter conditions provide the technical effect of reference data promptly and accurately for zincincation control.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not limited to this hair the foregoing is merely a specific embodiment of the invention
Bright, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (4)
1. a kind of hot-dip galvanized steel strip goes out jitter measuring apparatus after zinc pot, which is characterized in that the jitter measuring apparatus includes:
Range sensor, being arranged in is at the position of preset value with the belt steel rolling linear distance;The range sensor is used for
The range sensor is detected to the real-time range between the strip, and generates real-time range information;
Processing unit is connect with the range sensor, receives the real-time range information, and according to the real-time range information
The real-time range characterized and the preset value, obtain the actual jitter amplitude of the strip;
The real-time range and the preset value that the processing unit is characterized according to the real-time range information, obtain the strip
Actual jitter amplitude include:
The processing unit receives the real-time range information and the single order for carrying out preset time to the real-time range information is filtered
Wave processing, obtains set distance corrected value;
The processing unit receives the real-time range information and carries out 0.001 second first-order filtering to the real-time range information
Processing obtains real-time range corrected value;
The processing unit does difference operation to the real-time range corrected value and the set distance corrected value, that is, can determine institute
State the actual jitter amplitude of strip;
The real-time range information is carried out in the first-order filtering processing of preset time, the preset time is 100 seconds.
2. hot-dip galvanized steel strip as described in claim 1 goes out jitter measuring apparatus after zinc pot, which is characterized in that
The range sensor is laser range finder.
3. hot-dip galvanized steel strip as described in claim 1 goes out jitter measuring apparatus after zinc pot, which is characterized in that
The processing unit is single-chip microcontroller, is connect by cable with the range sensor.
4. a kind of hot-dip galvanized steel strip goes out jitter measurement method after zinc pot, pass through the described in any item hot galvanizing bands of claims 1 to 3
Steel goes out jitter measuring apparatus after zinc pot and realizes, which is characterized in that the jitter measurement method includes:
Range sensor is measured to the real-time range between the strip;
The first-order filtering processing that preset time is carried out to the real-time range, obtains set distance corrected value;
The first-order filtering processing that 0.001 second is carried out to the real-time range, obtains real-time range corrected value;
The real-time range corrected value and the set distance corrected value do difference operation, that is, can determine actually trembling for the strip
Dynamic amplitude;
Range sensor, which is measured, to the real-time range between the strip includes:
By the range sensor measure the range sensor to the real-time range between the strip and generate in real time away from
From information;
Processing unit is sent by the real-time range information;
The first-order filtering processing that preset time is carried out to the real-time range, obtaining set distance corrected value includes:
The processing unit receives and the first-order filtering carried out 100 seconds to the real-time range information is handled, and obtains set distance
Corrected value;
The first-order filtering processing that preset time is carried out to the real-time range, obtaining set distance corrected value includes:
The processing unit receives the first-order filtering simultaneously carried out 0.001 second to the real-time range information and handles, obtain in real time away from
It leaves school positive value.
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CN201610760909.6A CN106441106B (en) | 2016-08-30 | 2016-08-30 | Device and method for measuring jitter of hot-dip galvanized strip steel after being discharged from zinc pot |
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CN201610760909.6A CN106441106B (en) | 2016-08-30 | 2016-08-30 | Device and method for measuring jitter of hot-dip galvanized strip steel after being discharged from zinc pot |
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CN111926277B (en) * | 2020-09-07 | 2022-11-01 | 山东钢铁集团日照有限公司 | Device and method for inhibiting vibration of hot-dip galvanized strip steel after being discharged from zinc pot |
CN114608493A (en) * | 2022-03-23 | 2022-06-10 | 武汉钢铁有限公司 | Strip steel zinc coating thickness measuring device and thickness measuring method |
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JP2007291473A (en) * | 2006-04-27 | 2007-11-08 | Nippon Steel Corp | Method for producing hot dip galvanized steel strip |
CN102453847A (en) * | 2010-10-25 | 2012-05-16 | 宝山钢铁股份有限公司 | Method for stabilizing strip steel during strip steel production process |
CN105527978A (en) * | 2014-09-29 | 2016-04-27 | 宝山钢铁股份有限公司 | Device and method for controlling lift-off value |
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