CN108914031A - Control method for deviation of loop at inlet of galvanizing production line - Google Patents
Control method for deviation of loop at inlet of galvanizing production line Download PDFInfo
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- CN108914031A CN108914031A CN201810711924.0A CN201810711924A CN108914031A CN 108914031 A CN108914031 A CN 108914031A CN 201810711924 A CN201810711924 A CN 201810711924A CN 108914031 A CN108914031 A CN 108914031A
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- 238000000034 method Methods 0.000 title claims abstract description 54
- 238000004519 manufacturing process Methods 0.000 title abstract description 25
- 238000005246 galvanizing Methods 0.000 title abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 18
- 238000002789 length control Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 abstract description 17
- 239000010959 steel Substances 0.000 abstract description 17
- 230000008569 process Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 8
- 238000007790 scraping Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000008186 active pharmaceutical agent Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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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
- 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
- C23C2/003—Apparatus
-
- 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
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
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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)
- Coating With Molten Metal (AREA)
Abstract
The invention discloses a control method for deviation of an inlet loop of a galvanizing production line, which comprises the following steps: controlling the loop amount of the inlet of the galvanizing production line to be less than 80% of the full loop amount, and controlling the loop filling speed according to the preset welding speed, the residual length of the strip steel uncoiler and the loop amount. The method solves the technical problem that a loop is easy to deviate at the inlet of a galvanizing production line in the prior art.
Description
Technical field
The present invention relates to a kind of zinc-plated producing line entry loop sideslips of galvanizing production production technical field more particularly to method
Control method.
Background technique
With the development in domestic steel industry market, product restructuring, specification exploitation are expanded and quality upgrading
Main direction of studying as iron and steel enterprise.In the galvanizing production of continuous galvanizing line production, thickness is less than the ultra-thin rule of 0.35mm
The galvanizing production of lattice is mainly used in the backboard, side plate and panel of the white domestic appliances such as washing machine, refrigerator, air-conditioning, to product surface
Quality requirement is relatively high.As household electrical appliances manufacturer faces low processing cost and high surface quality requirements, household electrical appliances plate pair
The market demand of this specification gradually increases.
Currently, Continuous Hot Dip Galvanizing Line is when producing thin slab product, and generally 0.35mm product below, galvanized wire
The normal continuous operation for guaranteeing production when the main function of entry loop, during normal production, entry loop is to set tension fortune
Row guarantees the balance of unit tension, generally there is deviation-rectifying system in galvanization production line entry loop, but tight when there is band steel plate type
When weight is asymmetric or loop back roll subassembly precision is lower, it is possible to the serious sideslip of the strip in loop occur or even strip goes out roller
Cause the major accidents such as scraping or tearing strip.
It follows that the technical issues of galvanization production line entrance is easy to produce loop sideslip in the prior art.
Summary of the invention
The embodiment of the present invention provides a kind of control method of zinc-plated producing line entry loop sideslip, to solve in the prior art
Galvanization production line entrance is easy to produce the technical issues of loop sideslip.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of controls of zinc-plated producing line entry loop sideslip
Method, including：
The loop length of zinc-plated producing line entrance is controlled the 80% or less of full set amount；
Set speed is filled according to residue length on default speed of welding, strip uncoiler and loop length control.
Optionally, the basis presets speed of welding, residue length and loop length control are filled on strip uncoiler
Covering speed is：
Wherein, Vmax is loop charging speed, unit m/min；Vp is default speed of welding, and unit m/min, L are
Residue length on strip uncoiler, unit m, l are loop length, unit m.
Optionally, the loop length control by zinc-plated producing line entrance is in full set amount 80% hereinafter, including：
The loop length of zinc-plated producing line entrance is controlled the 60% or less of full set amount.
Optionally, the loop length control by zinc-plated producing line entrance is in full set amount 80% hereinafter, including：
The loop length of zinc-plated producing line entrance is controlled the 30% or less of full set amount.
Optionally, the method also includes：
Increase the height of loop bottom roller fore side.
Optionally, the method also includes：
The 50%~100% of preset value is set by the increment of entrance tension.
Optionally, the method also includes：
The set time is filled in increase.
Optionally, the increase is filled the set time, including：
To fill set the time increase to 158-184 seconds.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages：
The control method of zinc-plated producing line entry loop sideslip provided by the embodiments of the present application, by by zinc-plated producing line entrance
Loop length is controlled the 80% or less of full set amount；The scraping that strip occurs in loop can be reduced, so that loop sideslip is prevented,
And further according to preset speed of welding, set speed is filled in residue length and loop length control on strip uncoiler, can be with
The speed that set is filled according to the actual parameter of strip and the control of uncoiling situation, so that the strip stored in loop meets work in real time
The requirement of skill section quantity-produced, and be suitable in the situation lower with the serious asymmetry of steel plate type or loop back roll subassembly precision,
Solves the technical issues of galvanization production line entrance is easy to produce loop sideslip in the prior art.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only the embodiment of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to the attached drawing of offer other
Attached drawing.
A kind of flow chart of the control method of zinc-plated producing line entry loop sideslip in Fig. 1 embodiment of the present invention；
Fig. 2 is the control principle drawing of control method in Fig. 1.
Specific embodiment
The embodiment of the present invention provides a kind of control method of zinc-plated producing line entry loop sideslip, to solve in the prior art
Galvanization production line entrance is easy to produce the technical issues of loop sideslip.
In order to solve above-mentioned technical problem of the existing technology, the overall of technical solution provided by the embodiments of the present application is thought
Road is as follows：
By the control of the loop length of zinc-plated producing line entrance in full set amount 80% hereinafter, simultaneously according to presetting speed of welding, band
Set speed is filled in residue length and loop length control on steel uncoiler.
In the above method, by controlling the loop length of zinc-plated producing line entrance the 80% or less of full set amount；It can subtract
The scraping that strip occurs in few loop, to prevent loop sideslip, and further according on default speed of welding, strip uncoiler
Set speed is filled in residue length and loop length control, can be controlled according to the actual parameter and uncoiling situation of strip and be filled set
Speed so that the strip stored in loop meets process section quantity-produced requirement in real time, and is suitable in band steel plate type
Serious asymmetric or lower loop back roll subassembly precision situation, solves galvanization production line entrance in the prior art and is easy to produce
The technical issues of loop sideslip.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
It states technical solution to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the present invention
The detailed description of technical solution, rather than the restriction to technical solution of the present invention, in the absence of conflict, the present invention are implemented
Technical characteristic in example and embodiment can be combined with each other.
In the present embodiment, a kind of control method of zinc-plated producing line entry loop sideslip is provided, it is referring to Figure 1, above-mentioned
Method includes：
Step S101：The loop length of zinc-plated producing line entrance is controlled the 80% or less of full set amount.
Applicant has found that Continuous Hot Dip Galvanizing Line is divided into entrance, process section, outlet section three through a large number of experiments
Part.Vertical loop is the tie of Continuous Hot Dip Galvanizing Line entrance, process section and outlet section, is to guarantee galvanization production line
The key link of continuous and steady operation.The normal continuous operation for being mainly used for guaranteeing production of Entry of Galvanized Line loop, just
Often when production, entry loop to guarantee the balance of unit tension, and keeps certain set amount to set tension operation.Entrance
Speed and process section speed are consistent substantially.After entrance notifies change of lap, in order to guarantee that entrance unit speed stops, weldering
When machine welding, loop conforms to a conventional pattern, and technique section strip steel is made to remain to continuous and steady operation.After the completion of welding, unit reruns
When filling set, suitable set amount can be charged to be higher than process section speed.Entry loop includes two trolleies vertically moved, by rolling
System, winding plant, balance weight, the part such as track and tower steelframe form, and cover mode for dual-active, when charge and discharge covers, hoisting trolley meeting
Trolley is pulled to run up and down, the encoder in loop motor has recorded the position of loop.Looper there are three rectify a deviation unit,
Guarantee strip in the process of running will not sideslip, share 24 slewing rollers on loop trolley.One in galvanization production line entry loop
As have a deviation-rectifying system, but when occur the serious asymmetric or loop back roll subassembly precision of band steel plate type it is lower when, it is possible to occur
The serious sideslip of strip or even strip in loop go out roller and cause the major accidents such as scraping or tearing strip.
Applicant through a large number of experiments, coil of strip information when physical record failure production run and returns and looks into failure volume raw material
Information analyzes entry loop deviating switch from the following aspects.
(1) strip width statistic of classification is pressed to the data of record：
The relationship of table 1 loop sideslip number and strip width
| Width range | Sideslip number | Ratio |
| Width≤1200mm | 9 | 33.33% |
| 1200<Width≤1300mm | 13 | 48.15% |
| Width>1300 | 5 | 18.52% |
From the analysis of statistical data in table 1 it is found that sideslip is associated with not strong, the apparent distribution of nothing with strip width.
(2) thickness statistic of classification is pressed to the data of record：
The relationship of table 2 loop sideslip number and steel strip thickness
| Thickness range | Sideslip number | Ratio |
| Thickness≤0.5mm | 12 | 44.44% |
| 0.5<Thickness≤1.0mm | 13 | 48.15% |
| Thickness>1.0 | 2 | 7.41% |
From the analysis of statistical data in table 2 it is found that being 92.59% with a thickness of 1.0mm or less specification accounting.
(3) statistic of classification of sideslip direction is pressed to the data of record.
The relationship of table 3 loop sideslip number and sideslip direction
| Sideslip direction | Sideslip number | Ratio |
| DS | 26 | 0.962963 |
| OS | 1 | 0.037037 |
From the analysis of statistical data in table 3 it is found that the direction of action of correction hydraulic cylinder is obviously biased to the side DS.I.e. strip is obvious
It is biased to fore side.
(4) record failure volume version type figure is returned and is looked into：Mainly there is the slight unilateral wave in the side DS.
In order to solve the above-mentioned technical problem, in this step S101, by the loop length control of zinc-plated producing line entrance full
Hereinafter, in general, the vertical loop of normal operating lower inlet section is full set, entrance and process section are kept the 80% of set amount
Identical speed.When uncoiler change of lap or strip are sheared, are welded, entrance break-off.The band stored in loop
Steel is used to meet process section quantity-produced requirement, and loop needs put set at this time.When uncoiler works normally, entrance is again
The entrance of operation, entry loop will fill set until covering completely to entry loop with the speed for being higher than process section.The present invention is real
It applies example and passes through control loop length, it is possible to reduce the scraping that strip occurs in loop, to prevent loop sideslip.
In the specific implementation process, when entry loop is full set amount 100%, the corresponding effective memory length of strip
It is 460 meters, loop length is limited in 80% hereinafter, being substantially not in scraping phenomenon, sideslip trend is contained.
As a kind of optional embodiment, loop length is limited in 60% hereinafter, sideslip is clearly better, is further increased
Prevent the effect of sideslip.
As a kind of optional embodiment, loop length is limited in 30% hereinafter, substantially without obvious sideslip.
Then step S102 is executed：And according to residue length on default speed of welding, strip uncoiler and the loop set
Set speed is filled in amount control.
Specifically, the present embodiment is by the way that when the vertical loop to entrance fills set, vertical loop fills set speed
It is controlled, and then effectively prevent the deviation phenomenon of strip in loop.Concrete implementation principle is as shown in Fig. 2, wherein each label
Be described as follows：Remaining strip on 1- uncoiler；2- mandrel of uncoiler；3- laser range finder；4- guide roller；In 5- operation
Strip；6-1# is tensioned roller group；7- loop system；8- vertical loop hoist engine；9- hoist engine encoder.
By taking 1700 zinc-plated entrances as an example, the working principle of loop system is：Firstly, raw material coil of strip passes through transport vehicle for steel coils quilt
It is placed on the mandrel of entrance uncoiler, the promotion of transport vehicle for steel coils and travel distance are controlled by impulse generator, for obtaining
It is automatically brought into operation necessary positioning accuracy.Mandrel of uncoiler is effectively contacted by breathing mechanism with strip internal diameter, then is passed through
Gear-box and speed regulating motor drive coil of strip along the circumferential direction to rotate, using the entrance magnetic belt machine right above uncoiler strip
It send from uncoiler to entrance pinch roll, by entrance shearing end to end and after straightener straight peen, is utilized with the tail portion of previous coiled strip steel
TMEIC is narrow, and lap welder is welded, so as to realize the continuous production of strip.Under normal operating condition, 1#, 2# are utilized
The effect of power roller group keeps entrance strip tension, in order to maintain the tension in entry loop in entrance welding process.
1700 zinc-plated entry loop systems can guarantee that entrance stops using multilayer vertical type so as to store enough strips
Process section is run when vehicle with constant speed.And strip fills set and puts the speed of set through reasonable settings, maintains entry loop
Interior effectively usable set amount guarantees cross do not occur when the strip in loop is in vertical parallel state and loop trolley operation always
To offset, to provide good stable operation condition for subsequent anneal and the processes such as zinc-plated.
Specifically, set is filled according to residue length on default speed of welding, strip uncoiler and loop length control
Speed can be realized by following manner：
Wherein, Vmax is loop charging speed, unit m/min；Vp is default speed of welding, and unit m/min, L are
Residue length on strip uncoiler, unit m, l are loop length, unit m.In the specific implementation process, strip uncoiling
Residue length L can be calculated by following formula on machine:
L=π * (R2-r2)/4h
R is the outer diameter of coil of strip on uncoiler, unit mm；R is the internal diameter of coil of strip on uncoiler, unit mm；H is strip
Thickness is a definite value, unit mm for each coil of strip.And default speed of welding is pre-set value, loop set
Amount can be obtained according to step 1.Such as when entry loop is full set amount 100%, the corresponding effective memory length of strip is
460 meters, when setting 70% for loop length, loop length 322m.When the process speed of actual motion should be default weldering
Meet speed Vp± 5% within when, effect is more obvious.
The control method of the loop speed provided in the embodiment of the present invention, the sideslip for effectively preventing strip in loop are existing
As.The method is that binding isotherm is calculated on the basis of practical production experience, and it is seriously not right to be particularly suitable for band steel plate type
Claim or the lower situation of loop back roll subassembly precision.And the model structure of the above method is simple, practical, does not need to add
Hardware does not increase extra charge and operation difficulty, needs this mold curing to production line automation system, that is, can be used.Have
Effect prevents deviation phenomenon of the Thin Strip Steel in loop.
As a kind of optional embodiment, control method provided in an embodiment of the present invention further includes：
Increase the height of loop bottom roller fore side.
In the specific implementation process, the height of loop bottom roller fore side can be increased by way of installing gasket additional.It is logical
Aforesaid way is crossed, deviation phenomenon is clearly better, and further improves the effect for preventing sideslip.
As a kind of optional embodiment, control method provided in an embodiment of the present invention further includes：
The 50%~100% of preset value is set by the increment of entrance tension.
As a kind of optional embodiment, control method provided in an embodiment of the present invention further includes：
The set time is filled in increase.
Specifically, it is common fill set the time be 138-147 second, in the embodiment of the present invention, will fill cover the time increase to
It 158-184 seconds, while set speed is filled in control, further increases and fills the set time, effect can be advanced optimized.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages：
The control method of zinc-plated producing line entry loop sideslip provided by the embodiments of the present application, by by zinc-plated producing line entrance
Loop length is controlled the 80% or less of full set amount；The scraping that strip occurs in loop can be reduced, so that loop sideslip is prevented,
And further according to preset speed of welding, set speed is filled in residue length and loop length control on strip uncoiler, can be with
The speed that set is filled according to the actual parameter of strip and the control of uncoiling situation, so that the strip stored in loop meets work in real time
The requirement of skill section quantity-produced, and be suitable in the situation lower with the serious asymmetry of steel plate type or loop back roll subassembly precision,
Solves the technical issues of galvanization production line entrance is easy to produce loop sideslip in the prior art.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of control method of zinc-plated producing line entry loop sideslip, which is characterized in that including：
The loop length of zinc-plated producing line entrance is controlled the 80% or less of full set amount；
Set speed is filled according to residue length on default speed of welding, strip uncoiler and loop length control.
2. the method as described in claim 1, which is characterized in that the basis presets speed of welding, remaining on strip uncoiler
Set speed is filled in length and loop length control：
Wherein, Vmax is loop charging speed, unit m/min；Vp is default speed of welding, and unit m/min, L are strip
Residue length on uncoiler, unit m, l are loop length, unit m.
3. the method as described in claim 1, which is characterized in that the loop length by zinc-plated producing line entrance is controlled in full set
The 80% of amount is hereinafter, include：
The loop length of zinc-plated producing line entrance is controlled the 60% or less of full set amount.
4. the method as described in claim 1, which is characterized in that the loop length by zinc-plated producing line entrance is controlled in full set
The 80% of amount is hereinafter, include：
The loop length of zinc-plated producing line entrance is controlled the 30% or less of full set amount.
5. the method as described in claim 1, which is characterized in that the method also includes：
Increase the height of loop bottom roller fore side.
6. the method as described in claim 1, which is characterized in that the method also includes：
The 50%~100% of preset value is set by the increment of entrance tension.
7. the method as described in claim 1, which is characterized in that the method also includes：
The set time is filled in increase.
8. the method for claim 7, which is characterized in that the increase is filled the set time, including：
To fill set the time increase to 158-184 seconds.
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| CN201810711924.0A CN108914031A (en) | 2018-06-29 | 2018-06-29 | Control method for deviation of loop at inlet of galvanizing production line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115537699A (en) * | 2022-10-19 | 2022-12-30 | 山东钢铁集团日照有限公司 | Stable production method of small-width-to-thickness-ratio product under wide-width galvanizing unit |
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| CN102553948A (en) * | 2011-12-30 | 2012-07-11 | 中冶南方（武汉）自动化有限公司 | Automatic dynamic adjustment method for synchronous extension of loop of cold rolling continuous processing line |
| CN104232880A (en) * | 2014-07-29 | 2014-12-24 | 山西太钢不锈钢股份有限公司 | Method for reducing steel belt running deviation of continuous annealing and coating machine set |
| CN106244790A (en) * | 2016-08-29 | 2016-12-21 | 首钢京唐钢铁联合有限责任公司 | Loop tension control method and control system for annealing production line |
| CN106399891A (en) * | 2016-11-21 | 2017-02-15 | 首钢京唐钢铁联合有限责任公司 | Method for treating vertical loop at inlet section of continuous hot-dip galvanizing |
| CN106755933A (en) * | 2016-11-21 | 2017-05-31 | 首钢京唐钢铁联合有限责任公司 | Inlet loop mechanism, system and continuous-release line loop control method |
| CN106429575A (en) * | 2016-11-22 | 2017-02-22 | 首钢京唐钢铁联合有限责任公司 | Tension control and control system for loop at inlet of continuous hot-dip galvanizing |
| CN107226373A (en) * | 2017-06-09 | 2017-10-03 | 首钢京唐钢铁联合有限责任公司 | Early warning method and device for deviation of strip steel on cold-rolled galvanizing line |
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| CN115537699A (en) * | 2022-10-19 | 2022-12-30 | 山东钢铁集团日照有限公司 | Stable production method of small-width-to-thickness-ratio product under wide-width galvanizing unit |
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