CN105499281B - The U-shaped control system of section cooling for hot-strip - Google Patents

The U-shaped control system of section cooling for hot-strip Download PDF

Info

Publication number
CN105499281B
CN105499281B CN201510896747.4A CN201510896747A CN105499281B CN 105499281 B CN105499281 B CN 105499281B CN 201510896747 A CN201510896747 A CN 201510896747A CN 105499281 B CN105499281 B CN 105499281B
Authority
CN
China
Prior art keywords
cooling
chilling temperature
afterbody
finishing mill
cooling length
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510896747.4A
Other languages
Chinese (zh)
Other versions
CN105499281A (en
Inventor
李鹏程
彭维纲
蔡卫佳
傅萧然
郑小根
张军
袁金
李传
张鹏武
李文峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Iron and Steel Co Ltd
Original Assignee
Wuhan Iron and Steel Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Iron and Steel Co Ltd filed Critical Wuhan Iron and Steel Co Ltd
Priority to CN201510896747.4A priority Critical patent/CN105499281B/en
Publication of CN105499281A publication Critical patent/CN105499281A/en
Application granted granted Critical
Publication of CN105499281B publication Critical patent/CN105499281B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/74Temperature control, e.g. by cooling or heating the rolls or the product

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)

Abstract

The invention discloses a kind of U-shaped control method of the section cooling for hot-strip, it is cooled down by the way that strip is set into five sections, wherein first paragraph is the head that cooling length is HL1, the chilling temperature of first paragraph is head chilling temperature T1, second segment is the header buffer that cooling length is HL2, the chilling temperature of second segment is header buffer domain chilling temperature T2, 3rd section is middle part of the cooling length for ML, 3rd section of chilling temperature is coiling temperature CT, 4th section is afterbody buffering area of the cooling length for TT1, 4th section of chilling temperature is afterbody buffer area chilling temperature T3, 5th section is afterbody of the cooling length for TT2, 5th section of chilling temperature is blade trailing cooling temperature T4.The invention also discloses a kind of U-shaped control system of the section cooling for hot-strip.Above-mentioned control method and system can effectively eliminate performance difference of the strip end to end with middle part.

Description

The U-shaped control system of section cooling for hot-strip
Technical field
The present invention relates to strip cooling technology, and in particular to a kind of U-shaped control method of section cooling for hot-strip And system.
Background technology
In hot-strip production process, in order to further improve product quality and increase economic benefit, obtain high-quality The mechanical performance of hot-strip, hot-strip is after last frame finishing mill is left, into coiling machine before, it is necessary to which hot strip steel is carried out soon But, to control the coiling temperature of strip, the coiling temperature is that design temperature is also target coiling temperature to quickly cooling.It has been generally acknowledged that batch Temperature control is higher as the smaller control accuracy of axle fluctuation range using design temperature, and controlled level is better, but also requires in band Cooled down in the whole length of steel uniformly, to ensure the mechanical performance uniformity of strip.
But because hot-strip is finally deposited in the form of coil of strip, strip can more fully contact with air end to end, Strip is caused significant difference occur with middle part performance end to end.
The content of the invention
It is U-shaped that technical problem to be solved of the embodiment of the present invention is the provision of a kind of section cooling for hot-strip Control method and system, performance difference of the strip end to end with middle part can be effectively eliminated.
A kind of U-shaped control method of section cooling for hot-strip, is cooled down successively by the way that strip is set into five sections, Wherein first paragraph is the head that cooling length is HL1, and the chilling temperature of first paragraph is head chilling temperature T1, and second segment is cooling Length is HL2 header buffer, and the chilling temperature of second segment is header buffer domain chilling temperature T2, and the 3rd section is cooling length The middle part for ML is spent, the 3rd section of chilling temperature is coiling temperature CT, and the 4th section is afterbody buffering area of the cooling length for TT1, 4th section of chilling temperature is afterbody buffer area chilling temperature T3, and the 5th section is afterbody of the cooling length for TT2, the 5th section Chilling temperature is blade trailing cooling temperature T4.
Present invention also offers a kind of U-shaped control method of the section cooling for hot-strip, including:
Judge whether mm finishing mill unit F7 connects;And
If mm finishing mill unit F7 is connected, the distance between strip steel head and mm finishing mill unit F7 are persistently sensed;
Start head cooling technique when the distance between strip steel head and mm finishing mill unit F7 are equal to the first setting value D1, it is cold But length is head H T cooling length HL1, and corresponding chilling temperature is head chilling temperature T1;
Start header buffer cooling when the distance between strip steel head and mm finishing mill unit F7 are equal to the second setting value D2 Technique, cooling length are the cooling length HL2 of header buffer, and chilling temperature is header buffer chilling temperature T2;
Start middle part cooling technique when the distance between strip steel head and mm finishing mill unit F7 are equal to the 3rd setting value D3, it is cold But length is the cooling length ML at middle part, and chilling temperature is coiling temperature CT;
Start the cooling of afterbody buffering area when the distance between tail part of band steel and mm finishing mill unit F7 are equal to the 4th setting value D4 Technique, cooling length are the cooling length TL1 of afterbody buffering area, and chilling temperature is the chilling temperature T3 of afterbody buffering area;
Start blade trailing cooling technique when the distance between tail part of band steel and mm finishing mill unit F7 are equal to the 5th setting value D5, it is cold But length is afterbody TT cooling length TL2, and chilling temperature is afterbody TT chilling temperature T4.
Further, also include before step " judging whether mm finishing mill unit F7 connects ":
Judge whether mm finishing mill unit F1 connects;And
If judging, mm finishing mill unit F1 is connected, and reading model parameter, the model parameter includes head H T cooling length HL1 and corresponding chilling temperature T1, the cooling length HL2 of header buffer and corresponding chilling temperature T2, afterbody buffering area Cooling length TL1 and corresponding chilling temperature T3, afterbody TT cooling length TL2 and corresponding chilling temperature T4, middle part it is cold But length ML and coiling temperature CT.
Wherein, step " reading model parameter " includes reading basic model parameter and U-shaped cooling jig parameter simultaneously, basis Model parameter, which includes the cooling length ML at middle part and coiling temperature CT, U-shaped cooling jig parameter, includes head H T cooling length HL1 and corresponding chilling temperature T1, the cooling length HL2 of header buffer and corresponding chilling temperature T2, afterbody buffering area Cooling length TL1 and corresponding chilling temperature T3, afterbody TT cooling length TL2 and corresponding chilling temperature T4.
Present invention also offers a kind of U-shaped control system of the section cooling for hot-strip, including:
Parameter module, for storing the cooling length ML at middle part, coiling temperature CT, head H T cooling length HL1 and right Chilling temperature T1, the cooling length HL2 of header buffer and corresponding chilling temperature T2, the cooling length of afterbody buffering area answered TL1 and corresponding chilling temperature T3, afterbody TT cooling length TL2 and corresponding chilling temperature T4;
Model parameter read module, for reading the parameter of parameter module memory storage;
Mm finishing mill unit F7 judge modules, for judging whether mm finishing mill unit F7 connects;
Distance sensing module, for persistently sensing the distance between strip steel head and mm finishing mill unit F7;And
Cool down execution module, for according to the strip steel head sensed by distance sensing module and mm finishing mill unit F7 it Between distance and the parameter of the parameter module memory storage read by model parameter read module strip is cooled down.
Wherein, when the distance between the distance sensing module senses to strip steel head and mm finishing mill unit F7 are the first setting During value D1, the cooling execution module starts head cooling technique, cooling length is head H T cooling length HL1, corresponding Chilling temperature is head chilling temperature T1;When the distance sensing module senses between strip steel head and mm finishing mill unit F7 away from During from equal to the second setting value D2, start header buffer cooling technique, cooling length be header buffer and cooling length HL2, chilling temperature are header buffer domain chilling temperature T2;When the distance sensing module senses to strip steel head and finishing mill When the distance between group F7 is equal to the 3rd setting value D3, start middle part cooling technique, cooling length is the cooling length at middle part ML, chilling temperature are coiling temperature CT;When the distance sensing module senses between tail part of band steel and mm finishing mill unit F7 away from During from equal to the 4th setting value D4, start afterbody buffering area cooling technique, cooling length is the cooling length of afterbody buffering area TL1, chilling temperature are the chilling temperature T3 of afterbody buffering area;When the distance sensing module senses to tail part of band steel and finish rolling When the distance between unit F7 is equal to the 5th setting value D5, start blade trailing cooling technique, the cooling that cooling length is afterbody TT is grown TL2 is spent, chilling temperature is afterbody TT chilling temperature T4.
Further, the parameter module includes basic model parameter module and U-shaped cooling jig parameter module, the base Plinth model parameter module internal memory contains middle part cooling length ML and coiling temperature CT, the U-shaped cooling jig parameter module internal memory Contain head H T cooling length HL1 and corresponding chilling temperature T1, the cooling length HL2 of header buffer and corresponding cold But temperature T2, the cooling length TL1 of afterbody buffering area and corresponding chilling temperature T3, afterbody TT cooling length TL2 and correspondingly Chilling temperature T4.
Further, the control system also includes mm finishing mill unit F1 judge modules, the mm finishing mill unit F1 judge modules For judging whether mm finishing mill unit F1 connects, if judging, mm finishing mill unit F1 is connected, and the model parameter read module starts to read Take the parameter of parameter module memory storage.
The U-shaped control method of the above-mentioned section cooling for hot-strip and system are by by the chilling temperature on head, head The chilling temperature of buffering area, the chilling temperature at middle part, the chilling temperature of afterbody buffering area, the chilling temperature of afterbody are arranged to different Temperature value, and correspondingly different regions is cooled down using above-mentioned different temperature value, can reach and offset what the later stage occurred The effect of performance difference.Set simultaneously as being provided between head and middle part between header buffer and middle part and afterbody There is afterbody buffering area, therefore can prevent that high temperature fluctuates when control targe from switching, and further avoids the later stage from being likely to occur Performance difference.
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 Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings;
Fig. 1 is the schematic diagram of the better embodiment for the U-shaped control method of section cooling that the present invention is used for hot-strip.
Fig. 2 is the flow chart of the better embodiment for the U-shaped control method of section cooling that the present invention is used for hot-strip.
Fig. 3 is the block diagram of the better embodiment for the U-shaped control system of section cooling that the present invention is used for hot-strip.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
First, before embodiment is described, it is necessary to which some herein presented terms are explained.Example Such as:
If occur describing various elements using the term such as " first ", " second " herein, but these elements should not Limited by these terms.These terms are only used for distinguishing an element and another element.Therefore, " first " element can also It is referred to as " second " element without departing from the teachings of the present invention.
In addition, it is to be understood that when referring to an element " connection " or " coupled " to another element, it can be direct Ground connects or is directly coupled to another element or there may also be intermediary element.An element is referred on the contrary, working as " directly When connection " or " directly coupling " arrive another element, then in the absence of intermediary element.
The various terms occurred herein are used only for describing the purpose of specific embodiment and being not intended as to this The restriction of invention.Unless context clearly dictates otherwise, then singulative is intended to also include plural form.
When using term " comprising " and/or " including " in this manual, these terms specify the feature, whole Body, step, operation, the presence of element and/or part, but be also not excluded for more than one other feature, entirety, step, operation, Element, part and/or the presence of its group and/or additional.
On embodiment:
It refer to shown in Fig. 1, for a kind of schematic diagram of the U-shaped control method of section cooling for hot-strip of the invention. Strip is divided into head H T, header buffer, middle part, afterbody buffering area and afterbody TT, and wherein head H T cooling length is designated as HL1, the cooling length of header buffer are designated as HL2, and the cooling length of afterbody buffering area is designated as TL1, afterbody TT cooling length TL2 is designated as, the cooling length at middle part is designated as ML.
In order to effectively eliminate performance difference of the strip end to end with middle part, the present invention by strip be set to five sections carry out successively it is cold But, wherein head H T chilling temperature T1, the chilling temperature T2 of header buffer, chilling temperature (the i.e. coiling temperature at middle part CT), the chilling temperature T3 of afterbody buffering area, afterbody TT chilling temperature T4 are arranged to different temperature values, so both can reach Offset the effect of the performance difference of later stage appearance.Simultaneously as header buffer and middle part are provided between head and middle part Afterbody buffering area is provided between afterbody, therefore can prevent that high temperature fluctuates when control targe from switching, and further keeps away Exempt from the performance difference that the later stage is likely to occur.
Specifically, please continue to refer to shown in Fig. 2, the present invention be used for the U-shaped control method of section cooling of hot-strip compared with Good embodiment comprises the following steps:
Step S1:Judge whether mm finishing mill unit F1 connects.If mm finishing mill unit F1 is connected, then it represents that strip will enter finish rolling Technological process, and perform step S2.If mm finishing mill unit F1 is not yet connected, then it represents that strip not yet enters finish-rolling process flow, and Continue executing with step S1.
Step S2:Reading model parameter.For the ease of scrap build and upgrading, by basic model and U in present embodiment Type cooling jig is by the way of separately designing.When needing the section cooling U type control methods using the present invention, read simultaneously Take basic model parameter and U-shaped cooling jig parameter;When the U-shaped control method of section cooling of the present invention need not be used, only Read basic model parameter.Wherein, basic model parameter includes middle part cooling length ML and coiling temperature CT, U-shaped cooling The cooling length HL1 and corresponding chilling temperature T1 of model parameter including head H T, the cooling length HL2 of header buffer and Corresponding chilling temperature T2, the cooling length TL1 of afterbody buffering area and corresponding chilling temperature T3, afterbody TT cooling length TL2 and corresponding chilling temperature T4.
Step S3:Judge whether mm finishing mill unit F7 connects.If mm finishing mill unit F7 is connected, then it represents that strip will enter laminar flow Cooling process, and perform step S4.If mm finishing mill unit F7 is not yet connected, then it represents that strip not yet enters laminar flow cooling technology Flow, and continue executing with step S3.
Step S4:Strip steel head and the distance between afterbody and mm finishing mill unit F7 are persistently sensed, and according to institute in step S2 The model parameter of reading cools down to strip.Specifically, when the distance between strip steel head and mm finishing mill unit F7 are equal to the Judge that strip enters head cooled region during one setting value D1, now start head cooling technique, chilling temperature is step The head H T read in S2 cooling length HL1 and corresponding chilling temperature T1;When between strip steel head and mm finishing mill unit F7 Distance judge that strip enters header buffer cooled region when being equal to the second setting value D2, now start head buffering Area's cooling technique, chilling temperature is by the cooling length HL2 of header buffer read in step S2 and corresponding chilling temperature T2;Judge that strip enters middle part cooling zone when the distance between strip steel head and mm finishing mill unit F7 are equal to the 3rd setting value D3 Domain, now starts middle part cooling technique, and chilling temperature is by the cooling length ML at middle part that is read in step S2 and corresponding Coiling temperature CT;Judge that strip enters tail when the distance between tail part of band steel and mm finishing mill unit F7 are equal to the 4th setting value D4 Portion's buffering area cooled region, now start afterbody buffering area cooling technique, chilling temperature is by the afterbody that is read in step S2 The cooling length TL1 of buffering area and corresponding chilling temperature T3;When the distance between tail part of band steel and mm finishing mill unit F7 are equal to the Judge that strip enters blade trailing cooling region during five setting value D5, now start blade trailing cooling technique, chilling temperature is step The afterbody TT read in S2 cooling length TL2 and corresponding chilling temperature T4.
The U-shaped control method of the above-mentioned section cooling for hot-strip is by head H T chilling temperature T1, header buffer Chilling temperature T2, the chilling temperature CT at middle part, the chilling temperature T3 of afterbody buffering area, afterbody TT chilling temperature T4 be arranged to Different temperature values, it so both can reach the effect for the performance difference for offsetting later stage appearance.Simultaneously as between head and middle part It is provided between header buffer and middle part and afterbody and is provided with afterbody buffering area, the chilling temperature of two buffering area is set respectively T2 and T3 are set to, therefore can prevent that high temperature fluctuates when control targe from switching, and further avoids what the later stage was likely to occur Performance difference.
It refer to shown in Fig. 3, the present invention is used for the better embodiment bag of the U-shaped control system of section cooling of hot-strip Mm finishing mill unit F1 judge modules 10, basic model parameter module 11, U-shaped cooling jig parameter module 12, model parameter is included to read Module 15, mm finishing mill unit F7 judge modules 16, distance sensing module 17 and cooling execution module 18.
The mm finishing mill unit F1 judge modules 10 are used to judge whether mm finishing mill unit F1 connects, if mm finishing mill unit F1 is connected, Then represent that strip will enter finish-rolling process flow;If mm finishing mill unit F1 is still connected, then it represents that strip not yet enters finish-rolling process Flow.
The internal memory of basic model parameter module 11 contains middle part cooling length ML and coiling temperature CT.The U-shaped cooling The internal memory of model parameter module 12 contains head H T cooling length HL1 and corresponding chilling temperature T1, header buffer cooling Length HL2 and corresponding chilling temperature T2, the cooling length TL1 of afterbody buffering area and corresponding chilling temperature T3, afterbody TT Cooling length TL2 and corresponding chilling temperature T4.The model parameter read module 15 is used to read basic model parameter module 11 and U-shaped cooling jig parameter module 12.
The mm finishing mill unit F7 judge modules 16 are used to judge whether mm finishing mill unit F7 connects, if mm finishing mill unit F7 is connected, Then represent that strip will enter laminar flow cooling technology flow;If mm finishing mill unit F7 is not yet connected, then it represents that strip not yet enters layer Flow cooling process.
The distance sensing module 17 is used to persistently sense the distance between strip steel head and mm finishing mill unit F7.The cooling Execution module 18 be used for according to the distance between strip steel head for being sensed by distance sensing module 17 and mm finishing mill unit F7 with And in the basic model parameter module 11 read by model parameter read module 15 and U-shaped cooling jig parameter module 12 The parameter of storage cools down to strip.Specifically, when the distance between strip steel head and mm finishing mill unit F7 are set equal to first Start head cooling technique during definite value D1, cooling length is head H T cooling length HL1, and corresponding chilling temperature is head Chilling temperature T1;Start head buffering when the distance between strip steel head and mm finishing mill unit F7 are equal to the second setting value D2 Area's cooling technique, cooling length be header buffer and cooling length HL2, chilling temperature is header buffer domain chilling temperature T2;Start middle part cooling technique, cooling when the distance between strip steel head and mm finishing mill unit F7 are equal to the 3rd setting value D3 Length is the cooling length ML at middle part, and chilling temperature is coiling temperature CT;When the distance between tail part of band steel and mm finishing mill unit F7 Starting afterbody buffering area cooling technique during equal to the 4th setting value D4, cooling length is the cooling length TL1 of afterbody buffering area, Chilling temperature is the chilling temperature T3 of afterbody buffering area;When the distance between tail part of band steel and mm finishing mill unit F7 are equal to the 5th setting Start blade trailing cooling technique during value D5, cooling length is afterbody TT cooling length TL2, and chilling temperature is afterbody TT cooling Temperature T4.
Embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize the present invention The equivalent structure or equivalent flow conversion that specification and accompanying drawing content are made, or directly or indirectly it is used in other related technologies Field, it is included within the scope of the present invention.

Claims (1)

  1. A kind of 1. U-shaped control system of section cooling for hot-strip, it is characterised in that:The control system includes:
    Parameter module, for storing the cooling length ML at middle part, coiling temperature CT, head H T cooling length HL1 and corresponding Chilling temperature T1, the cooling length HL2 of header buffer and corresponding chilling temperature T2, the cooling length TL1 of afterbody buffering area And corresponding chilling temperature T3, afterbody TT cooling length TL2 and corresponding chilling temperature T4;The parameter module includes basis Model parameter module and U-shaped cooling jig parameter module, the basic model parameter module internal memory contain middle part cooling length ML And coiling temperature CT, the U-shaped cooling jig parameter module internal memory contain head H T cooling length HL1 and corresponding cooling temperature Spend T1, the cooling length HL2 and corresponding chilling temperature T2 of header buffer, the cooling length TL1 of afterbody buffering area and correspondingly Chilling temperature T3, afterbody TT cooling length TL2 and corresponding chilling temperature T4;
    Model parameter read module, for reading the parameter of parameter module memory storage;
    Mm finishing mill unit F1 judge modules, the mm finishing mill unit F1 judge modules are used to judge whether mm finishing mill unit F1 connects, if sentencing Disconnected mm finishing mill unit F1 is connected, then the model parameter read module starts to read the parameter of parameter module memory storage;
    Mm finishing mill unit F7 judge modules, for judging whether mm finishing mill unit F7 connects;
    Distance sensing module, for persistently sensing strip steel head and the distance between afterbody and mm finishing mill unit F7;And
    Cool down execution module, for according to the strip steel head that is sensed by distance sensing module and afterbody and mm finishing mill unit F7 it Between distance and the parameter of the parameter module memory storage read by model parameter read module strip is cooled down;When The distance sensing module senses to the distance between strip steel head and mm finishing mill unit F7 be the first setting value D1 when, the cooling Execution module starts head cooling technique, and cooling length is head H T cooling length HL1, and corresponding chilling temperature is that head is cold But temperature T1;When the distance between the distance sensing module senses to strip steel head and mm finishing mill unit F7 are equal to the second setting value During D2, start header buffer cooling technique, cooling length is the cooling length HL2 in header buffer domain, and chilling temperature is head Portion buffer area chilling temperature T2;When the distance between described distance sensing module senses to strip steel head and mm finishing mill unit F7 etc. When the 3rd setting value D3, start middle part cooling technique, cooling length is the cooling length ML at middle part, and chilling temperature is to batch temperature Spend CT;When the distance between the distance sensing module senses to tail part of band steel and mm finishing mill unit F7 are equal to the 4th setting value D4 When, start afterbody buffering area cooling technique, cooling length is the cooling length TL1 of afterbody buffering area, and chilling temperature delays for afterbody Rush the chilling temperature T3 in area;When the distance between the distance sensing module senses to tail part of band steel and mm finishing mill unit F7 are equal to the During five setting value D5, start blade trailing cooling technique, cooling length is afterbody TT cooling length TL2, and chilling temperature is afterbody TT Chilling temperature T4.
CN201510896747.4A 2015-12-07 2015-12-07 The U-shaped control system of section cooling for hot-strip Active CN105499281B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510896747.4A CN105499281B (en) 2015-12-07 2015-12-07 The U-shaped control system of section cooling for hot-strip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510896747.4A CN105499281B (en) 2015-12-07 2015-12-07 The U-shaped control system of section cooling for hot-strip

Publications (2)

Publication Number Publication Date
CN105499281A CN105499281A (en) 2016-04-20
CN105499281B true CN105499281B (en) 2017-12-05

Family

ID=55707800

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510896747.4A Active CN105499281B (en) 2015-12-07 2015-12-07 The U-shaped control system of section cooling for hot-strip

Country Status (1)

Country Link
CN (1) CN105499281B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106734246B (en) * 2016-11-21 2019-03-05 首钢京唐钢铁联合有限责任公司 A method of reducing cold-rolled biphase steel color difference
CN106623430B (en) * 2016-12-02 2018-10-19 首钢集团有限公司 A method of eliminating Galvanized Dual Phase Steel rough surface defect
CN108160725A (en) * 2017-12-25 2018-06-15 武汉钢铁有限公司 A kind of laminar flow cooling control system
CN110479773B (en) * 2018-05-15 2020-10-27 宝山钢铁股份有限公司 Method for controlling tail temperature of U-shaped cooling strip steel
CN111702006B (en) * 2020-05-15 2022-09-13 山西太钢不锈钢股份有限公司 Rolling method for improving quality stability of steel plate coil

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604234A (en) * 1969-05-16 1971-09-14 Gen Electric Temperature control system for mill runout table
CN101081406A (en) * 2006-05-30 2007-12-05 宝山钢铁股份有限公司 Method for ensuring the temperature of the full-length of the hot fine rolling band steel
CN103611735A (en) * 2013-12-10 2014-03-05 武汉钢铁(集团)公司 Laminar cooling temperature monitoring method and device
CN104801551A (en) * 2014-01-23 2015-07-29 宝山钢铁股份有限公司 Hot continuous rolling strip thick plate coiling temperature control method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604234A (en) * 1969-05-16 1971-09-14 Gen Electric Temperature control system for mill runout table
CN101081406A (en) * 2006-05-30 2007-12-05 宝山钢铁股份有限公司 Method for ensuring the temperature of the full-length of the hot fine rolling band steel
CN103611735A (en) * 2013-12-10 2014-03-05 武汉钢铁(集团)公司 Laminar cooling temperature monitoring method and device
CN104801551A (en) * 2014-01-23 2015-07-29 宝山钢铁股份有限公司 Hot continuous rolling strip thick plate coiling temperature control method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
基于超快速冷却的热轧带钢低温卷取温度控制及U型冷却策略的研究与应用;李旭东;《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》;20140715(第7期);第38至41页 *

Also Published As

Publication number Publication date
CN105499281A (en) 2016-04-20

Similar Documents

Publication Publication Date Title
CN105499281B (en) The U-shaped control system of section cooling for hot-strip
CN103619501B (en) For the control method of hot-rolled band production line
CN106480306B (en) The control method of second segment cooling precision in laminar flow sub-sectional cooling technique
CN104415968A (en) Hot-rolling high-speed tool steel bar and wire producing process
CN103567226B (en) Data analysis set-up
CN104399748B (en) A kind of production technology that can replace conventional broadband steel hot continuous rolling
JP6136544B2 (en) Temperature calculation method before finish rolling, temperature control method before finish rolling, temperature calculation device before finish rolling, and temperature control device before finish rolling
CN102510779A (en) Method for the model-based determination of actuator nominal values for the asymmetric actuators of the roll stands of a hot wide strip mill
CN103252359A (en) Two-stage tape threading method for controlling finish rolling temperature
JP6652095B2 (en) Method of rolling steel sheet and method of manufacturing steel sheet
CN103223422B (en) Fluctuation control method for strip steel tension between racks of hot continuous rolling mill
JP3826801B2 (en) Mill Pacing Method for Hot Rolling Line
JP2001300628A (en) Method for cooling joined steel sheet
JP4931501B2 (en) Cooling control method for high carbon steel hot-rolled steel sheet
JP2005014041A (en) Method for manufacturing hot-rolled steel strip
JP4312928B2 (en) Metal rolling method
JP4079098B2 (en) Manufacturing method and manufacturing apparatus for hot-rolled steel sheet
KR100950961B1 (en) Plate leveling-mill and control method
KR100518334B1 (en) The method for cooling a hot strip
JP6299673B2 (en) Rolling control apparatus and method
CN105828978A (en) Device And Method For Continuous Casting/Hot Rolling
JP6015680B2 (en) Steel cooling equipment and steel cooling method
CN113664050B (en) Steel rolling method and device
JP3582492B2 (en) Hot rolling method for steel
JP4935696B2 (en) Method and apparatus for creating rolling schedule in hot rolling mill

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20170707

Address after: 430080 Qingshan District stock company of Hubei, Wuhan Province

Applicant after: Wuhan iron and Steel Company Limited

Address before: 430080 Friendship Avenue, Hubei, Wuhan, No. 999

Applicant before: Wuhan Iron & Steel (Group) Corp.

GR01 Patent grant
GR01 Patent grant