CN108118354A - A kind of pickling system for improving strip head and the tail quality - Google Patents
A kind of pickling system for improving strip head and the tail quality Download PDFInfo
- Publication number
- CN108118354A CN108118354A CN201711381867.6A CN201711381867A CN108118354A CN 108118354 A CN108118354 A CN 108118354A CN 201711381867 A CN201711381867 A CN 201711381867A CN 108118354 A CN108118354 A CN 108118354A
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- Prior art keywords
- strip
- inductor
- perforated
- speed
- controller
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- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
- C23G3/025—Details of the apparatus, e.g. linings or sealing means
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses a kind of pickling systems for improving strip head and the tail quality, including being equipped with pre-perforated strip, the pre-perforated position for judging weld seam, driving device, for identifying the first pre-perforated inductor, the second inductor, the 3rd inductor, the controller of strip movement velocity is controlled, and controller is preset with the speed n to match with the thickness, width, yield strength of strip0.In actual strip pickling link, when the first inductor recognizes pre-perforated on strip, controller receives the movement velocity n of the strip of driving device transmission and by the speed n in speed n and controller pre-set programs0Carry out comparison judgement；When the second inductor recognizes pre-perforated and n ＞ n0When, controller controls strip reduction of speed to n by driving device0, to extend the time of weld seam pickling, so as to improve the pickling quality of commissure；When the 3rd inductor senses pre-perforated, controller control strip is restored to original speed n.
Description
Technical field
The present invention relates to cold-rolling pickling field, more specifically to a kind of pickling system for improving strip head and the tail quality.
Background technology
In metallurgy industry, cold-rolling pickling is that strip handles common process means, i.e., the strip after hot rolled raw material welding
After kink, withdrawal straightening machine technique, it need to enter and pickling is carried out in acid tank.But in acid cleaning process, because belt steel surface has oxygen
Change iron sheet, and iron scale can occur to chemically react and generate hydrochloric acid ferrous iron with the acid solution in acid tank, so that the activity of acid solution
It reduces, and then influences strip pickling quality.
Especially in strip head and the tail weld, because the contact with air is more abundant, cooling velocity is very fast, therefore the iron oxide at this
There are larger differences with other positions for skin thickness.Therefore, if strip it is end to end the control of commissure acid cleaning process it is unreasonable, very
It is poor to be easy to cause weld seam front and back band steel pickling effect, the defects of owing pickling and overpickling occurs, final influence belt steel surface is whole
The quality of body.
Therefore, how to improve the pickling quality at strip steel weld joint, ensure the quality of belt steel surface entirety, be the neck at this stage
Domain problem urgently to be resolved hurrily.
The content of the invention
In view of this, it is an object of the invention to provide a kind of pickling system for improving strip head and the tail quality, the system energy
The pickling quality at strip steel weld joint is enough improved, ensures the quality of belt steel surface entirety, solves the problems, such as the field at this stage.
A kind of pickling system for improving strip head and the tail quality, including：
Strip, the strip are equipped with pre-perforated, the pre-perforated weld seam for being used to identify the strip；
Driving device, for the driving device for the strip to be driven to move, the speed of the strip movement is n；
Inductor, the inductor are three, for it is described it is pre-perforated be identified, be respectively the first inductor, the
Two inductors, the 3rd inductor, second inductor and the 3rd inductor are located at the both ends of acid tank respectively；
Controller, the controller and the driving device, first inductor, second inductor, described the
The communication connection of three inductors, and it is preset with the speed n to match with the thickness, width, yield strength of the strip0, the speed
Spend the movement velocity for passing through the acid tank for the strip；
When first inductor recognizes described pre-perforated, the controller receives what the driving device was sent
The movement velocity n of the strip；
When second inductor recognizes the n ＞ n that described pre-perforated and described controller receives0When, the control
Device controls the driving device reduction of speed, to reduce the speed of service of the strip to n0；
When the 3rd inductor recognizes described pre-perforated, the controller controls the driving device raising speed, with
The strip is recovered to the speed n to reduction of speed.
Preferably, the pickling system of the improvement strip head and the tail quality, using the direction of motion of the strip before, then
It is described pre-perforated positioned at the position of 1m before the weld seam.
Preferably, the pickling system of the improvement strip head and the tail quality, the thickness range of the strip is 2.0mm-
6.0mm。
Preferably, the pickling system of the improvement strip head and the tail quality, the width range of the strip is 900mm-
1870mm。
Preferably, the pickling system of described improvement strip head and the tail quality, the temperature range in the acid tank is 80 DEG C -90
℃。
Preferably, the pickling system of described improvement strip head and the tail quality, the acid solution in the acid tank is hydrochloric acid solution.
Preferably, the pickling system of the improvement strip head and the tail quality, the inductor are electromagnetic inductor.
The pickling system proposed by the present invention for improving strip head and the tail quality, including being equipped with pre-perforated strip, this is pre-perforated
For judging the position of weld seam, for controlling the driving device that strip moves, for identifying the first pre-perforated inductor, second
Inductor, the 3rd inductor, for controlling the controller of strip movement velocity, and controller is preset with and the thickness of strip, width
The speed n that degree, yield strength match0.In actual strip pickling link, when what the first inductor recognized on strip pre- beats
Kong Shi, controller receive the movement velocity n of the strip of driving device transmission and will be in speed n and controller pre-set programs
Speed n0Carry out comparison judgement；When the second inductor recognizes pre-perforated and n ＞ n0When, controller controls band by driving device
Steel reduction of speed is to n0, to extend the time of weld seam pickling, so as to improve the pickling quality of commissure；When the 3rd inductor sense it is pre-
During punching, controller control strip is restored to original speed n.Process is controlled from more than pickling, the system passes through control
The time of weld seam pickling improves the quality of weld seam pickling, and then improves the quality of belt steel surface entirety.Therefore, the present invention proposes
Improvement strip head and the tail quality pickling system, can improve the pickling quality at strip steel weld joint, ensure that belt steel surface is whole
Quality solves the problems, such as the field at this stage.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the schematic diagram of pickling system in the specific embodiment of the invention.
In Fig. 1：
First inductor -1, the second inductor -2, the 3rd inductor -3, acid tank -4.
Specific embodiment
The core of present embodiment is to provide a kind of pickling system for improving strip head and the tail quality, which can
The pickling quality at strip steel weld joint is improved, ensures the quality of belt steel surface entirety, solves the problems, such as the field at this stage.
Hereinafter, embodiment is illustrated referring to the drawings.In addition, embodiments illustrated below is not to recorded in claim
The content of the invention rise any restriction effect.In addition, the full content of the composition represented by example below is not limited to as right
It is required that necessary to the solution of recorded invention.
The pickling system for the improvement strip head and the tail quality that present embodiment provides, mainly includes：
Strip, the strip are equipped with pre-perforated, this is pre-perforated to stamp in advance before pickling, and near weld seam, is used for
The position of weld seam is identified；
Driving device, for the driving device for strip to be driven to move, the movement velocity for making strip is n；
Three inductors are respectively the first inductor 1, the second inductor 2 for pre-perforated on strip to be identified
With the 3rd inductor 3, wherein, the second inductor 2 and the 3rd inductor 3 are located at the both ends of acid tank 4 respectively；
Controller, the controller connect with driving device, the first inductor 1, the second inductor 2, the communication of the 3rd inductor 3
It connects, and is preset with the speed n to match with the thickness, width, yield strength of strip0, speed n0Pass through the fortune of acid tank 4 for strip
Dynamic speed.
The control process of above system is as follows：When the first inductor 1 recognizes pre-perforated, controller receives driving device
During the movement velocity n of the strip of transmission, controller is by speed n and default n0Phase contrast judgement, the premise separately determined in strip
Under, thickness, width, yield strength of strip etc. are definite value, therefore corresponding speed n0Also it is a certain definite value；When the second sense
Device 2 is answered to recognize the n ＞ n that pre-perforated and controller receives0When, controller control driving device reduction of speed, to reduce strip
The speed of service is to n0；When the 3rd inductor 3 recognizes pre-perforated, controller control driving device raising speed recovers strip
Speed n before to reduction of speed.
The pickling system for the improvement strip head and the tail quality that present embodiment provides, by the time for controlling weld seam pickling
To improve the quality of weld seam pickling, and then the quality of raising belt steel surface entirety.Therefore, improvement strip head and the tail proposed by the present invention
The pickling system of quality can improve the pickling quality at strip steel weld joint, ensure the quality of belt steel surface entirety, solve existing rank
The problem in the section field.
The pickling system for the improvement strip head and the tail quality that present embodiment provides, in order to preferably to the weld seam of strip
It is identified, it can be by the pre-perforated position for being arranged on 1m before weld seam.It should be noted that the strip movement of preceding finger herein
Direction.
The pickling system for the improvement strip head and the tail quality that present embodiment provides, can be applied to thickness in 2.0mm-
Between 6.0mm, strip of the width between 900mm-1870mm.
Further, inductor select can for electromagnetic inductor, infrared inductor or other can play on an equal basis
The inductor of effect；In actual design, the first inductor 1, the second inductor 2, the 3rd inductor 3 can select electromagnetism
Inductor.
The pickling system for the improvement strip head and the tail quality that present embodiment provides, the solution in acid tank 4 can be salt
Acid solution, specific temperature can be between 80 DEG C -90 DEG C.
In actual pickling link, specific parameter is referred to following table to select, the parameter in controller pre-set programs
It can also be selected according to following table, as shown in table 1：
1 pickling system parameter list of table
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide scope caused.
Claims (7)
1. a kind of pickling system for improving strip head and the tail quality, which is characterized in that including：
Strip, the strip are equipped with pre-perforated, the pre-perforated weld seam for being used to identify the strip；
Driving device, for the driving device for the strip to be driven to move, the speed of the strip movement is n；
Inductor, the inductor be three, for it is described it is pre-perforated be identified, be respectively the first inductor (1), second
Inductor (2), the 3rd inductor (3), second inductor (2) and the 3rd inductor (3) are respectively positioned at acid tank (4)
Both ends；
Controller, it is the controller and the driving device, first inductor (1), second inductor (2), described
The communication connection of 3rd inductor (3), and it is preset with the speed n to match with the thickness, width, yield strength of the strip0, institute
State the movement velocity that speed passes through the acid tank (4) for the strip；
When first inductor (1) recognizes described pre-perforated, the controller receives what the driving device was sent
The movement velocity n of the strip；
When second inductor (2) recognizes the n ＞ n that described pre-perforated and described controller receives0When, the controller
The driving device reduction of speed is controlled, to reduce the speed of service of the strip to n0；
When the 3rd inductor (3) recognizes described pre-perforated, the controller controls the driving device raising speed, will
The strip recovers the speed n to reduction of speed.
2. the pickling system according to claim 1 for improving strip head and the tail quality, which is characterized in that with the fortune of the strip
It is before dynamic direction is used as, then described pre-perforated positioned at the position of 1m before the weld seam.
3. the pickling system according to claim 1 for improving strip head and the tail quality, which is characterized in that the thickness of the strip
Scope is 2.0mm-6.0mm.
4. the pickling system according to claim 1 for improving strip head and the tail quality, which is characterized in that the width of the strip
Scope is 900mm-1870mm.
5. the pickling system according to claim 1 for improving strip head and the tail quality, which is characterized in that in the acid tank (4)
Temperature range be 80 DEG C -90 DEG C.
6. the pickling system according to claim 1 for improving strip head and the tail quality, which is characterized in that in the acid tank (4)
Acid solution be hydrochloric acid solution.
7. the pickling system according to claim 1 for improving strip head and the tail quality, which is characterized in that the inductor is electricity
Magnetic inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711381867.6A CN108118354A (en) | 2017-12-20 | 2017-12-20 | A kind of pickling system for improving strip head and the tail quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711381867.6A CN108118354A (en) | 2017-12-20 | 2017-12-20 | A kind of pickling system for improving strip head and the tail quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108118354A true CN108118354A (en) | 2018-06-05 |
Family
ID=62229409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711381867.6A Pending CN108118354A (en) | 2017-12-20 | 2017-12-20 | A kind of pickling system for improving strip head and the tail quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108118354A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320492A (en) * | 2000-04-21 | 2001-11-07 | 韦克莱奇姆公司 | Cold rolling method and apparatus |
| CN101570864A (en) * | 2009-06-10 | 2009-11-04 | 武汉钢铁(集团)公司 | Method for controlling band steel sag for pickling bath |
| CN104762633A (en) * | 2015-03-13 | 2015-07-08 | 邯钢集团邯宝钢铁有限公司 | Automatic speed increasing/decreasing control method of plate strip weld joint during entrance into acid tank for acid pickling |
| CN205679978U (en) * | 2016-05-16 | 2016-11-09 | 通用电气（武汉）自动化有限公司 | A kind of control system of circulating pump |
-
2017
- 2017-12-20 CN CN201711381867.6A patent/CN108118354A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320492A (en) * | 2000-04-21 | 2001-11-07 | 韦克莱奇姆公司 | Cold rolling method and apparatus |
| CN101570864A (en) * | 2009-06-10 | 2009-11-04 | 武汉钢铁(集团)公司 | Method for controlling band steel sag for pickling bath |
| CN104762633A (en) * | 2015-03-13 | 2015-07-08 | 邯钢集团邯宝钢铁有限公司 | Automatic speed increasing/decreasing control method of plate strip weld joint during entrance into acid tank for acid pickling |
| CN205679978U (en) * | 2016-05-16 | 2016-11-09 | 通用电气（武汉）自动化有限公司 | A kind of control system of circulating pump |
Non-Patent Citations (1)
| Title |
|---|
| 夏翠莉等主编: "《冷轧带钢生产》", 31 October 2011 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180605 |
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| RJ01 | Rejection of invention patent application after publication |