CN106429575B - Tension control and control system for loop at inlet of continuous hot-dip galvanizing - Google Patents
Tension control and control system for loop at inlet of continuous hot-dip galvanizing Download PDFInfo
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- CN106429575B CN106429575B CN201611059350.0A CN201611059350A CN106429575B CN 106429575 B CN106429575 B CN 106429575B CN 201611059350 A CN201611059350 A CN 201611059350A CN 106429575 B CN106429575 B CN 106429575B
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- 238000005246 galvanizing Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001568 sexual effect Effects 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
- B65H2515/30—Forces; Stresses
- B65H2515/31—Tensile forces
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- Coating With Molten Metal (AREA)
Abstract
The invention discloses a tension control method and a tension control system for a loop at an inlet of continuous hot galvanizing, which comprises the following steps: when the length of the residual strip steel on the uncoiler is monitored to be smaller than the preset strip steel length, judging a tension set value given by an inlet loop system; when the tension set value given by the inlet loop system is judged to be smaller than the preset tension lower limit value, the loop tension is adjusted based on the tension set value given by the inlet loop system, when the tension set value given by the inlet loop system is judged to be larger than the preset tension upper limit value, the loop tension is adjusted based on the preset tension set value, when the tension set value given by the inlet loop system is judged to be larger than or equal to the preset tension lower limit value and smaller than or equal to the preset tension upper limit value, the tension set value used for currently adjusting the loop tension is determined based on the preset linear relation, and the loop tension is adjusted. The invention effectively avoids the slipping of the No. 1 tension roller when the uncoiler flails, thereby realizing the purpose of avoiding the slipping of the strip steel to the inlet loop.
Description
Technical field
The present invention relates to strip manufacture field, more particularly to a kind of continuous hot galvanizing entry loop tension force and control system
System.
Background technology
Continuous Hot Dip Galvanizing Line is that strip is heated zinc-plated with the complete of continuous production galvanized steel plain sheet during traveling
Equipment.
In the entrance of Continuous Hot Dip Galvanizing Line, uncoiler whipping, specifically cut on uncoiler without strip or entrance
Entrance tension force is disappeared when son cuts magnetic tape trailer, and now the tension force of entry loop balances by No. 1 idler roller completely, and existing entrance is lived
The tension force setting value of set is provided by system always, and the tension force setting value for the entry loop that system provides is that every volume calculates once, because
This, for entire volume coil of strip, from taking the lead to magnetic tape trailer, is all based on same tension force setting value and carries out loop tension control, if
When power setting value is larger, now loop tension value is larger, then easily causes No. 1 idler roller to skid in uncoiler whipping,
And then strip slides to entry loop, whipping positioning is caused to be forbidden, magnetic tape trailer can be slided into kink when serious, cause entrance not weld
Connect, it is necessary to shut down processing, have a great influence.
The content of the invention
The embodiment of the present invention is by providing a kind of continuous hot galvanizing entry loop tension force and control system, the company of solving
Continuous galvanization production line easily causes No. 1 idler roller the technical problem skidded occur in uncoiler whipping.
In a first aspect, the embodiments of the invention provide a kind of continuous hot galvanizing entry loop tension control method, including：
Monitor residual strip length on the uncoiler；
When residual strip length on monitoring the uncoiler is less than default strip length, to the entry loop system
Given tension force setting value is judged；
Wherein, when determining the given tension force setting value of the entry loop system and being less than pre-set tension lower limit, base
Loop tension is adjusted in the tension force setting value that the entry loop system gives, is determining what the entry loop system gave
When tension force setting value is more than pre-set tension higher limit, loop tension is adjusted based on pre-set tension setting value, determine it is described enter
The given tension force setting value of mouth loop system is more than or equal to the pre-set tension lower limit, and less than or equal on the pre-set tension
During limit value, the tension force setting value for currently adjusting loop tension is determined based on predetermined linear relation, so that kink is adjusted
Power, the predetermined linear relation are the linear relationship of the tension force setting value given based on the entry loop system.
Preferably, the pre-set tension lower limit is specially 20kN；In the tension force setting that the entry loop system gives
When value is less than 20kN, loop tension is adjusted based on the tension force setting value that the entry loop system gives.
Preferably, the pre-set tension higher limit is specially 30kN, and the pre-set tension setting value is specially 27KN；Institute
When stating the given tension force setting value of entry loop system and being more than 30kN, based on pre-set tension setting value regulation loop tension.
Preferably, the tension force setting value determined based on predetermined linear relation for currently adjusting loop tension, to enter
Row regulation loop tension, it is specially：In the tension force setting value that the entry loop system gives in the range of [20kN, 30kN]
When, loop tension is adjusted based on predetermined linear relation as described below：
Y=a1×Tset+k
Wherein, TsetThe tension force setting value given for the entry loop system, Y are the tension force of current regulation loop tension
Setting value, a1, k be the predetermined linear relation constant.
Preferably, the predetermined linear relation is specially：Y=0.7 × Tset+ 6, TsetGiven for the entry loop system
Tension force setting value, Y is the tension force setting value of current regulation loop tension.
Second aspect, the embodiments of the invention provide a kind of continuous hot galvanizing control system, including：
Monitoring unit, for monitoring residual strip length on the uncoiler；
Identifying unit, for when residual strip length on monitoring the uncoiler is less than default strip length, to institute
The given tension force setting value of entry loop system is stated to be judged；
Adjustment unit, for being less than pre-set tension lower limit determining the given tension force setting value of the entry loop system
During value, loop tension is adjusted based on the tension force setting value that the entry loop system gives, is determining the entry loop system
When the given tension force setting value of system is more than pre-set tension higher limit, loop tension is adjusted based on pre-set tension setting value, judged
Go out the given tension force setting value of the entry loop system and be more than or equal to the pre-set tension lower limit, and less than or equal to described pre-
If during tension force higher limit, the tension force setting value for currently adjusting loop tension is determined based on predetermined linear relation, to be adjusted
Loop tension is saved, the predetermined linear relation is the linear relationship of the tension force setting value given based on the entry loop system.
Preferably, the pre-set tension lower limit is specially 20kN；The adjustment unit, specifically for being lived in the entrance
When the given tension force setting value of set system is less than 20kN, kink is adjusted based on the tension force setting value that the entry loop system gives
Tension force.
Preferably, the pre-set tension higher limit is specially 30kN, and the pre-set tension setting value is specially 27KN；It is described
Adjustment unit, specifically it is additionally operable to when the tension force setting value that the entry loop system gives is more than 30kN, based on described default
Tension force setting value adjusts loop tension.
Preferably, the adjustment unit, is specifically additionally operable to：Exist in the tension force setting value that the entry loop system gives
When in the range of [20kN, 30kN], loop tension is adjusted based on predetermined linear relation as described below：
Y=a1×Tset+k
Wherein, TsetThe tension force setting value given for the entry loop system, Y are the tension force of current regulation loop tension
Setting value, a1, k be the predetermined linear relation constant.
Preferably, the predetermined linear relation is specially：Y=0.7 × Tset+ 6, TsetGiven for the entry loop system
Tension force setting value, Y is the tension force setting value of current regulation loop tension.
The one or more technical schemes provided in the embodiment of the present invention, have at least the following technical effects or advantages：
The embodiment of the present invention is by monitoring residual strip length on uncoiler, and residual strip is grown on uncoiler is monitored
The tension force setting value given when degree is less than default strip length to entry loop system judges, and is determining entry loop
When the given tension force setting value of system is less than pre-set tension lower limit, adjusted based on the tension force setting value that entry loop system gives
Loop tension, when determining the given tension force setting value of entry loop system and being more than pre-set tension higher limit, opened based on default
Power setting value adjusts loop tension, is more than or equal to pre-set tension lower limit determining the given tension force setting value of entry loop system
When being worth, and being less than or equal to pre-set tension higher limit, determine that the tension force for adjusting loop tension is set based on predetermined linear relation
Value, so that loop tension is adjusted.And predetermined linear relation is the line of the tension force setting value given based on entry loop system
Sexual intercourse, the upper limit of predetermined linear relation are equal to pre-set tension setting value, can got rid of so as to control different coil of strips in uncoiler
Tension force setting value is all relatively low during tail, and then effectively avoids No. 1 idler roller in uncoiler whipping from skidding, and is avoided with realizing
Strip slides to entry loop, ensures the safe long-play of whipping accurate positioning, production line.
Brief description of the drawings
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 the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the arrangement schematic diagram of the entrance of continuous hot galvanizing；
Fig. 2 is the flow chart of continuous hot galvanizing entry loop tension control method in the embodiment of the present invention；
Fig. 3 is the module map of continuous hot galvanizing entry loop tension control system in the embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
A kind of continuous hot galvanizing entry loop tension control method provided in an embodiment of the present invention, applied to continuous hot galvanizing
Control system, continuous hot galvanizing entry loop tension control method are controlled for the entrance of continuous hot galvanizing.Specifically,
As shown in figure 1, the entrance of continuous hot galvanizing includes：Uncoiler 1, scissors system 2, guide roller 3, No.1 idler roller system 4, enter
Mouth loop system 5.
With reference to shown in figure 1 and Fig. 2, continuous hot galvanizing entry loop tension control method provided in an embodiment of the present invention includes
Following steps：
Residual strip length on S101, monitoring uncoiler 1.
Specifically, a kind of embodiment of residual strip length is on monitoring uncoiler 1：Detect strip speed V's
The uncoiling duration T of uncoiler 1 is recorded simultaneously, obtains remaining on uncoiler 1 based on strip speed V and uncoiling duration T
Remaining strip length.Specifically, detect strip speed V by being arranged on the encoder of entrance, then it is remaining on uncoiler 1
Strip length L2, it is calculated in real time according to following manner：L2=L1- VT, wherein, L1For the total length of coil of strip before uncoiling, uncoiling
The total length L of preceding coil of strip1To be set before S101 is performed in continuous hot galvanizing control system, or according to coil of strip before uncoiling
Coil diameter is calculated.
S102, when residual strip length on monitoring uncoiler 1 is less than default strip length, to entry loop system 5
Given tension force setting value is judged.
It should be noted that residual strip length is more than or equal to before default strip length on uncoiler 1 is monitored,
The tension force setting value that loop tension regulation is carried out to entry loop system 5 continues to be provided by entry loop system 5.Specifically, enter
The tension force setting value that mouth loop system 5 provides, which is often rolled up, to be calculated once and is set, the tension force setting that entry loop system 5 provides
Value is calculated according to the strip width and belt steel thickness of coil of strip.Specifically, the tension force setting value that entry loop system 5 provides
The result of product of this three of=strip width × strip length × coefficient of tension.
Specifically, default strip length is at least 150m, avoids magnetic tape trailer residue is too short from sliding into kink, be embodied
During, default strip length can be any length value in 150m~450m.
S103, when judging that the given tension force setting value of entry loop system 5 is less than pre-set tension lower limit, be based on into
The given tension force setting value regulation loop tension of mouth loop system 5, is judging the given tension force setting value of entry loop system 5
During more than pre-set tension higher limit, loop tension is adjusted based on pre-set tension setting value, is judging that entry loop system 5 is given
Tension force setting value be more than or equal to pre-set tension lower limit, and when being less than or equal to pre-set tension higher limit, closed based on predetermined linear
System determines to be used for the tension force setting value for adjusting loop tension, so that loop tension is adjusted.
Specifically, predetermined linear relation is the linear relationship of the tension force setting value given based on entry loop system 5, preset
The upper limit of linear relationship is equal to pre-set tension setting value.
Specifically, pre-set tension lower limit is less than pre-set tension higher limit.In one embodiment, pre-set tension lower limit
Value is specially 20kN；When the tension force setting value then given in entry loop system 5 is less than 20kN, given based on entry loop system 5
Fixed tension force setting value regulation loop tension.Certainly in specific implementation process, tension force lower limit can be adjusted according to the actual requirements
Value.
Further, pre-set tension higher limit is specially 30kN；It is more than in the tension force setting value that entry loop system 5 gives
During 30kN, loop tension is adjusted based on pre-set tension setting value.
Certainly in specific implementation process, tension force higher limit can be adjusted according to the actual requirements.
Specifically, the tension force setting value for currently adjusting loop tension is determined based on predetermined linear relation, to be adjusted
Loop tension is saved, is specially：When the tension force setting value that entry loop system 5 gives is in the range of [20kN, 30kN], based on such as
Lower predetermined linear relation adjusts loop tension：Y=a1×Tset+ k, wherein, TsetThe tension force setting given for entry loop system 5
Value, Y are the tension force setting value of current regulation loop tension, and a1, k are the constant of predetermined linear relation.In one embodiment,
a1For 0.7, k 6, then predetermined linear relation is specially Y=0.7 × Tset+6。
Specifically, the actual tension value carried out to the loop tension of entry loop system 5 is by installed in entry loop bottom
Tensometer measurement gained, and by tensometer measure gained actual tension value compared with tension force setting value calculating go on business
Value, by being used as deviation compensation input continuous hot galvanizing control system after Pl adjuster computings, adjusted with closed-loop control actual
Tension value is to tension force setting value.It should be noted that being directed to different coil of strips, tension force setting value is what entry loop system 5 gave
Tension force setting value, pre-set tension setting value, determined in the tension force setting value for adjusting loop tension based on predetermined linear relation
One kind.
Based on same inventive concept, the embodiments of the invention provide a kind of continuous hot galvanizing control system, with reference to figure 1 and figure
Shown in 3, including following module：
Monitoring unit 210, for monitoring residual strip length on uncoiler 1；
Identifying unit 202, for when residual strip length on monitoring uncoiler 1 is less than default strip length, to entering
The given tension force setting value of mouth loop system 5 is judged；
Adjustment unit 203, for being less than pre-set tension lower limit determining the given tension force setting value of entry loop system 5
During value, loop tension is adjusted based on the tension force setting value that entry loop system 5 gives, it is given determining entry loop system 5
Tension force setting value when being more than pre-set tension higher limit, loop tension is adjusted based on pre-set tension setting value, is judging gateway
The given tension force setting value of loop system 5 is more than or equal to pre-set tension lower limit, and when being less than or equal to pre-set tension higher limit, base
The tension force setting value for currently adjusting loop tension is determined in predetermined linear relation, so that loop tension is adjusted, presets line
Sexual intercourse is the linear relationship of the tension force setting value given based on entry loop system 5.
Preferably, pre-set tension lower limit is specially 20kN；Adjustment unit 203, specifically for being given in entry loop system 5
When fixed tension force setting value is less than 20kN, loop tension is adjusted based on the tension force setting value that entry loop system 5 gives.
Preferably, pre-set tension higher limit is specially 30kN, and pre-set tension setting value is specially 27KN；Adjustment unit 203
It is specific to be additionally operable to, when the tension force setting value that entry loop system 5 gives is more than 30kN, adjust and live based on pre-set tension setting value
Cover tension force.
Preferably, adjustment unit 203 is specifically additionally operable to：Entry loop system 5 give tension force setting value [20kN,
30kN] in the range of when, based on following predetermined linear relation adjust loop tension：Y=a1×Tset+ k, wherein, TsetLived for entrance
The given tension force setting value of set system 5, Y are the tension force setting value of current regulation loop tension, a1, k be predetermined linear relation
Constant.
Preferably, predetermined linear relation is specially：Y=0.7 × Tset+ 6, TsetThe tension force given for entry loop system 5
Setting value, Y are the tension force setting value of current regulation loop tension.
The one or more embodiments provided by the invention described above, have at least the following technical effects or advantages：
By monitoring residual strip length on uncoiler, residual strip is less than default strip and grown on uncoiler is monitored
The tension force setting value given when spending to entry loop system judges, and is set determining the given tension force of entry loop system
When definite value is less than pre-set tension lower limit, loop tension is adjusted based on the tension force setting value that entry loop system gives, judged
When loop system given tension force setting value in gateway is more than pre-set tension higher limit, kink is adjusted based on pre-set tension setting value
Tension force, it is more than or equal to pre-set tension lower limit determining the given tension force setting value of entry loop system, and less than or equal to pre-
If during tension force higher limit, the tension force setting value for adjusting loop tension is determined based on predetermined linear relation, so that work is adjusted
Cover tension force.And predetermined linear relation be based on entry loop system give tension force setting value linear relationship, predetermined linear
The upper limit of relation is equal to pre-set tension setting value, and so as to control, different coil of strips can tension force setting value be all in uncoiler whipping
It is relatively low, and then effectively avoid No. 1 idler roller in uncoiler whipping from skidding, avoid strip from sliding to entrance work to realize
Cover, ensure the safe long-play of whipping accurate positioning, production line.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
- A kind of 1. continuous hot galvanizing entry loop tension control method, it is characterised in that including：Monitor residual strip length on uncoiler；When residual strip length on monitoring the uncoiler is less than default strip length, what entry loop system was given opens Power setting value is judged；Wherein, when determining the given tension force setting value of the entry loop system and being less than pre-set tension lower limit, based on institute The given tension force setting value regulation loop tension of entry loop system is stated, is determining the given tension force of the entry loop system When setting value is more than pre-set tension higher limit, loop tension is adjusted based on pre-set tension setting value, lived determining the entrance The given tension force setting value of set system is more than or equal to the pre-set tension lower limit, and is less than or equal to the pre-set tension higher limit When, the tension force setting value for currently adjusting loop tension, so that loop tension is adjusted, institute are determined based on predetermined linear relation The linear relationship that predetermined linear relation is the tension force setting value given based on the entry loop system is stated, the predetermined linear closes The upper limit of system is equal to the pre-set tension setting value.
- 2. continuous hot galvanizing entry loop tension control method as claimed in claim 1, it is characterised in that the pre-set tension Lower limit is specially 20kN；When the tension force setting value that the entry loop system gives is less than 20kN, opened based on what the entry loop system gave Power setting value adjusts loop tension.
- 3. continuous hot galvanizing entry loop tension control method as claimed in claim 2, it is characterised in that the pre-set tension Higher limit is specially 30kN, and the pre-set tension setting value is specially 27KN；When the tension force setting value that the entry loop system gives is more than 30kN, is adjusted and lived based on the pre-set tension setting value Cover tension force.
- 4. continuous hot galvanizing entry loop tension control method as claimed in claim 3, it is characterised in that described based on default Linear relationship determines the tension force setting value for currently adjusting loop tension, so that loop tension is adjusted, is specially：When the tension force setting value that the entry loop system gives is in the range of [20kN, 30kN], based on as described below default Linear relationship adjusts loop tension：Y=a1×Tset+kWherein, TsetThe tension force setting value given for the entry loop system, Y are the tension force setting of current regulation loop tension Value, a1, k be the predetermined linear relation constant.
- 5. continuous hot galvanizing entry loop tension control method as claimed in claim 4, it is characterised in that the predetermined linear Relation is specially：Y=0.7 × Tset+ 6, TsetThe tension force setting value given for the entry loop system, Y live for current regulation Cover the tension force setting value of tension force.
- A kind of 6. continuous hot galvanizing control system, it is characterised in that including：Monitoring unit, for monitoring residual strip length on uncoiler；Identifying unit, for when residual strip length on monitoring the uncoiler is less than default strip length, being lived to entrance The given tension force setting value of set system is judged；Adjustment unit, for being less than pre-set tension lower limit determining the given tension force setting value of the entry loop system When, loop tension is adjusted based on the tension force setting value that the entry loop system gives, is determining the entry loop system When given tension force setting value is more than pre-set tension higher limit, loop tension is adjusted based on pre-set tension setting value, determined The given tension force setting value of the entry loop system is more than or equal to the pre-set tension lower limit, and default less than or equal to described During tension force higher limit, the tension force setting value for currently adjusting loop tension is determined based on predetermined linear relation, to be adjusted Loop tension, the predetermined linear relation are the linear relationship of the tension force setting value given based on the entry loop system.
- 7. continuous hot galvanizing control system as claimed in claim 6, it is characterised in that the pre-set tension lower limit is specially 20kN；The adjustment unit, when being less than 20kN specifically for the tension force setting value given in the entry loop system, based on institute State the given tension force setting value regulation loop tension of entry loop system.
- 8. continuous hot galvanizing control system as claimed in claim 7, it is characterised in that the pre-set tension higher limit is specially 30kN, the pre-set tension setting value is specially 27KN；The adjustment unit, specifically it is additionally operable to, when the tension force setting value that the entry loop system gives is more than 30kN, be based on The pre-set tension setting value adjusts loop tension.
- 9. continuous hot galvanizing control system as claimed in claim 8, it is characterised in that the adjustment unit, be specifically additionally operable to： When the tension force setting value that the entry loop system gives is in the range of [20kN, 30kN], based on predetermined linear as described below Relation adjusts loop tension：Y=a1×Tset+kWherein, TsetThe tension force setting value given for the entry loop system, Y are the tension force setting of current regulation loop tension Value, a1, k be the predetermined linear relation constant.
- 10. continuous hot galvanizing control system as claimed in claim 9, it is characterised in that the predetermined linear relation is specially： Y=0.7 × Tset+ 6, TsetThe tension force setting value given for the entry loop system, Y are the tension force of current regulation loop tension Setting value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611059350.0A CN106429575B (en) | 2016-11-22 | 2016-11-22 | Tension control and control system for loop at inlet of continuous hot-dip galvanizing |
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| CN201611059350.0A CN106429575B (en) | 2016-11-22 | 2016-11-22 | Tension control and control system for loop at inlet of continuous hot-dip galvanizing |
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| CN106429575B true CN106429575B (en) | 2017-12-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108246813B (en) * | 2018-04-23 | 2019-06-25 | 黄石山力科技股份有限公司 | Tension control method, tenslator and slab Continuous Hot Dip Galvanizing Line |
| CN108914031A (en) * | 2018-06-29 | 2018-11-30 | 首钢京唐钢铁联合有限责任公司 | Control method for deviation of loop at inlet of galvanizing production line |
| CN109518112B (en) * | 2018-12-21 | 2021-01-26 | 首钢京唐钢铁联合有限责任公司 | Control method of tension roller set of continuous hot galvanizing production line |
| CN110000222B (en) * | 2019-03-21 | 2020-10-09 | 首钢京唐钢铁联合有限责任公司 | Method for improving drift deviation of strip steel |
| CN111378915A (en) * | 2020-03-09 | 2020-07-07 | 包头钢铁（集团）有限责任公司 | Method for improving tension control precision of vertical loop of galvanizing unit |
| CN111471949A (en) * | 2020-03-09 | 2020-07-31 | 包头钢铁（集团）有限责任公司 | Control method for strip steel pumping of outlet loop of galvanizing unit |
| CN115028002A (en) * | 2022-05-31 | 2022-09-09 | 包头钢铁（集团）有限责任公司 | Coil diameter calculation correction control method and system for uncoiler of galvanizing unit |
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