CN104014597B - For the section cooling method of hot continuous rolling - Google Patents
For the section cooling method of hot continuous rolling Download PDFInfo
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- CN104014597B CN104014597B CN201410284115.8A CN201410284115A CN104014597B CN 104014597 B CN104014597 B CN 104014597B CN 201410284115 A CN201410284115 A CN 201410284115A CN 104014597 B CN104014597 B CN 104014597B
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- upper header
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Abstract
A kind of section cooling method for hot continuous rolling is provided.Described method comprises: a) obtain with roll the identification information being with refrigerating mode that steel is corresponding; B) from configuration file, the switching value of each upper header corresponding with described identification information and the switching value of each lower collector pipe is obtained; C) the quantity N of upper header and the quantity M of lower collector pipe that need to open is calculated by cooling jig; D) by the top n in the switching value of the upper header of acquisition be the first predetermined value switching value outside switching value be set to the second predetermined value, by M before in the switching value of the lower collector pipe of acquisition be the first predetermined value switching value outside switching value be set to the second predetermined value; E) switching value of the switching value of each upper header and each lower collector pipe is sent to programmable logic controller (PLC), by PLC controls switching value to be upper header and the lower collector pipe unlatching of the first predetermined value.According to the present invention, the spendable upper header of each refrigerating mode and lower collector pipe can be configured neatly.
Description
Technical field
The present invention relates to hot continuous rolling technical field, more particularly, relate to a kind of section cooling method for hot continuous rolling.
Background technology
In the production process of hot-strip, band steel, after going out finish rolling district, before entering coiling machine, needs to carry out section cooling to band steel, with the cooldown rate of control cincture steel and coiling temperature, improves the performance of band steel further.The development of section cooling technology is mainly divided into two aspects, the development of technology on the one hand, be mainly reflected in the progress of various cooling device and process for cooling, be the development of control technology on the other hand, be mainly reflected in the progress of control strategy, control system.
To in the control of section cooling, need the requirement according to production technology, adopt different refrigerating modes, meet the requirement of different product.Refrigerating mode conventional at present has the refrigerating modes such as leading portion cooling, back segment cooling, two sections of coolings.Being determined by refrigerating mode can by the upper header that uses and lower collector pipe, the quantity of upper header and the quantity of lower collector pipe that need to open is calculated by cooling jig, the upper header of the quantity then can opened by the needs in the upper header that uses is opened, and the lower collector pipe of the quantity can opened by the needs in the lower collector pipe that uses is opened.In the prior art, usually configured to use only leading portion and cool spendable upper header and lower collector pipe, the spendable upper header of other refrigerating mode and lower collector pipe all need to cool spendable upper header according to leading portion and lower collector pipe is determined.Such as, when refrigerating mode is back segment cooling, first obtain leading portion and cool spendable upper header and lower collector pipe, it is cool spendable upper header and lower collector pipe with every root leading portion along the upper header of collector and the lower collector pipe of being with steel moving direction interval predetermined quantity (such as, 20) that back segment cools spendable collector.The mode underaction of the spendable upper header of each refrigerating mode of this configuration and lower collector pipe, can not meet the needs of produced on-site.
Summary of the invention
Exemplary embodiment of the present invention is to provide a kind of section cooling method for hot continuous rolling, and it can configure the spendable upper header of each refrigerating mode and lower collector pipe neatly.
The invention provides a kind of section cooling method for hot continuous rolling, comprising: a) obtain with roll the identification information being with refrigerating mode that steel is corresponding; B) from configuration file, the switching value of each upper header corresponding with described identification information and the switching value of each lower collector pipe is obtained, wherein, switching value is that the first predetermined value represents that corresponding collector can be used, and switching value is that the second predetermined value represents that corresponding collector can not be used; C) by cooling jig calculate need open the quantity N of upper header and the quantity M of lower collector pipe, wherein, N be greater than 0 natural number, M be greater than 0 natural number; D) by the top n in the switching value of the upper header of acquisition be the first predetermined value switching value outside switching value be set to the second predetermined value, by M before in the switching value of the lower collector pipe of acquisition be the first predetermined value switching value outside switching value be set to the second predetermined value; E) switching value of the switching value of each upper header and each lower collector pipe is sent to programmable logic controller (PLC), by PLC controls switching value to be upper header and the lower collector pipe unlatching of the first predetermined value.
Alternatively, step a) comprising: receive operating personnel select refrigerating mode operation by man-machine interface; Obtain and the described identification information operating corresponding refrigerating mode.
Alternatively, step a) comprising: based on roll band steel attribute information by mode selection pattern obtain with roll the identification information being with refrigerating mode that steel is corresponding.
Alternatively, described method also comprises: add step f), wherein, step f) comprising: F1) receive the operation that operating personnel input the identification information of refrigerating mode, the switching value of each upper header, the switching value of each lower collector pipe in configuration file; F2) switching value of the identification information of described refrigerating mode, each upper header, the switching value of each lower collector pipe are associatedly kept in configuration file.
Alternatively, described method also comprises: modify steps g), wherein, step g) comprising: G1) receive the operation that operating personnel modify to the switching value of upper header corresponding with the identification information of a refrigerating mode in configuration file or the switching value of lower collector pipe; G2) based on described operation, the switching value of described upper header or the switching value of lower collector pipe are edited; G3) switching value of described upper header after editor or the switching value of lower collector pipe is preserved.
According to an exemplary embodiment of the present invention for the section cooling method of hot continuous rolling, the spendable upper header of each refrigerating mode and lower collector pipe can be configured neatly, meet need of production.
Part in ensuing description is set forth general plotting of the present invention other in and/or advantage, some will be clearly by describing, or can learn through the enforcement of general plotting of the present invention.
Accompanying drawing explanation
By below in conjunction with exemplarily illustrating the description that the accompanying drawing of embodiment carries out, the above and other object of exemplary embodiment of the present and feature will become apparent, wherein:
Fig. 1 illustrates according to an exemplary embodiment of the present invention for the flow chart of the section cooling method of hot continuous rolling;
Fig. 2 illustrates the flow chart adding step according to an exemplary embodiment of the present invention;
Fig. 3 illustrates the flow chart of modify steps according to an exemplary embodiment of the present invention;
Fig. 4 illustrates the example of configuration file according to an exemplary embodiment of the present invention.
Detailed description of the invention
Now will in detail with reference to embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein, identical label refers to identical parts all the time.Below by referring to accompanying drawing, described embodiment will be described, to explain the present invention.
Fig. 1 illustrates according to an exemplary embodiment of the present invention for the flow chart of the section cooling method of hot continuous rolling.
With reference to Fig. 1, in step 101, obtain with roll the identification information being with refrigerating mode that steel is corresponding.Here, refrigerating mode can be the various refrigerating modes such as leading portion cooling, back segment cooling, two sections of coolings.The identification information of refrigerating mode can be the various applicable information of instruction refrigerating mode, such as, can be the instruction label (such as, English alphabet, numeral etc.) of refrigerating mode, the title etc. of refrigerating mode.
By various mode obtain with roll the identification information being with refrigerating mode that steel is corresponding.Exemplarily, first can receive operating personnel select refrigerating mode operation by man-machine interface (HMI), that is, artificial selection, then, obtain and the described identification information operating corresponding refrigerating mode.Also realize by model, particularly, based on roll band steel attribute information by mode selection pattern obtain with roll the identification information being with refrigerating mode that steel is corresponding, roll band steel attribute information can be roll the steel grade of band belonging to steel, institute rolls the attribute informations such as the width being with steel, mode selection pattern can be the various models for model selection.
In step 102, the switching value of each upper header corresponding with described identification information and the switching value of each lower collector pipe is obtained from configuration file, wherein, switching value is that the first predetermined value represents that corresponding collector can be used, and switching value is that the second predetermined value represents that corresponding collector can not be used.Such as, the first predetermined value can be 1, and the second predetermined value can be 0, that is, switching value is that the collector of 1 expression correspondence can be used, and switching value is that the collector of 0 expression correspondence can not be used.Can use various applicable method from configuration file, obtain the switching value of each upper header corresponding with described identification information and the switching value of each lower collector pipe.
Should be appreciated that, the switching value of each upper header corresponding with each refrigerating mode and the switching value of each lower collector pipe is stored in configuration file, and the storage order of the switching value of each upper header is identical with putting in order of each upper header in actual cooling zone, the storage order of the switching value of each lower collector pipe is identical with putting in order of each lower collector pipe in actual cooling zone.Like this, the spendable upper header of other refrigerating mode and lower collector pipe no longer need to cool spendable upper header according to leading portion and lower collector pipe is determined, operating personnel can need to arrange often kind of spendable upper header of refrigerating mode and lower collector pipe respectively according to scene, more flexibly.
In addition, in configuration file except storing the switching value of each collector corresponding with existing refrigerating mode, also the switching value of collector corresponding to refrigerating mode multiple with other can be stored, such as, the refrigerating mode that operating personnel define according to production environment, production equipment etc.Like this, according to on-the-spot needs, applicable refrigerating mode can be selected.Such as, when a certain collector breaks down, operating personnel can select the refrigerating mode not using this collector, and production can not be affected, compared to original more single refrigerating mode, more practical, various modes is used alternatingly and also can improves utilization rate of equipment and installations simultaneously.
Configuration file can be the file of the form such as text document (txt), electrical form (Excel).Embody more intuitively in configuration file for often kind of spendable upper header of refrigerating mode and lower collector pipe, and editor is also fairly simple, even if operating personnel are not the programming personnels of specialty, also can modifies.
The step of adding refrigerating mode and amendment refrigerating mode is described in configuration file below with reference to Fig. 2 and Fig. 3.
In step 103, calculated the quantity N of upper header and the quantity M of lower collector pipe that need to open by cooling jig.N be greater than 0 natural number, M be greater than 0 natural number.Particularly, cooling jig according to roll band steel belonging to the parameter such as steel grade, finishing temperature, target coiling temperature calculate need open the quantity N of upper header and the quantity M of lower collector pipe, various applicable cooling jig can be used.
In step 104, by the top n in the switching value of the upper header of acquisition be the first predetermined value switching value outside switching value be set to the second predetermined value, by M before in the switching value of the lower collector pipe of acquisition be the first predetermined value switching value outside switching value be set to the second predetermined value.Such as, when the first predetermined value is 1, second predetermined value is 0, namely switching value is that the collector of 1 expression correspondence can be used, switching value be 0 expression correspondence collector can not by use time, by the top n in the switching value of the upper header of acquisition be 1 switching value outside switching value set to 0, by M before in the switching value of the lower collector pipe of acquisition be 1 switching value outside switching value set to 0.
In step 105, the switching value of the switching value of each upper header and each lower collector pipe is sent to programmable logic controller (PLC) (PLC), by PLC controls switching value to be upper header and the lower collector pipe unlatching of the first predetermined value.
Fig. 2 illustrates the flow chart adding step according to an exemplary embodiment of the present invention.
With reference to Fig. 2, in step 201, receive the operation that operating personnel input the identification information of refrigerating mode, the switching value of each upper header, the switching value of each lower collector pipe in configuration file.
In step 202, the switching value of the identification information of described refrigerating mode, each upper header, the switching value of each lower collector pipe are associatedly kept in configuration file.
Fig. 3 illustrates the flow chart of modify steps according to an exemplary embodiment of the present invention.
In step 301, receive the operation that operating personnel modify to the switching value of upper header corresponding with the identification information of a refrigerating mode in configuration file or the switching value of lower collector pipe.
In step 302, based on described operation, the switching value of described upper header or the switching value of lower collector pipe are edited.
In step 303, preserve the switching value of described upper header after editor or the switching value of lower collector pipe.
Fig. 4 illustrates the example of configuration file according to an exemplary embodiment of the present invention.
As shown in Figure 4, configuration file is the text document that name is called " CTC_STRATEGY ", wherein stores the switching value of each upper header corresponding with each refrigerating mode and the switching value of each lower collector pipe.Particularly, the title that the first row " Early_Cooling_Strategy " is refrigerating mode, namely, leading portion cools, and the second line number word is the switching value of the upper header corresponding with it, successively with the upper header one_to_one corresponding in actual cooling zone, the third line numeral is the switching value of the lower collector pipe corresponding with it, successively with the lower collector pipe one_to_one corresponding in actual cooling zone, switching value is that the collector of 1 expression correspondence can be used, and switching value is that the collector of 0 expression correspondence can not be used.Correspondingly, the title that fourth line " Late_Cooling_Strategy " is back segment refrigerating mode, fifth line numeral is the switching value of the upper header corresponding with it, and the 6th line number word is the switching value of the lower collector pipe corresponding with it.In addition, the switching value of collector corresponding to the refrigerating modes such as " Bank_Sparse_Strategy " sparse refrigerating mode is also stored in configuration file.Operating personnel also can add applicable refrigerating mode according to production environment, production equipment etc. in configuration file, or revise existing refrigerating mode.
In addition, the said method according to exemplary embodiment of the present invention may be implemented as computer program, thus when running this program, realizes said method.
According to an exemplary embodiment of the present invention for the section cooling method of hot continuous rolling, the spendable upper header of each refrigerating mode and lower collector pipe can be configured neatly, meet need of production.
Although show and described exemplary embodiments more of the present invention, but those skilled in the art should understand that, when not departing from by the principle of the present invention of claim and its scope of equivalents thereof and spirit, can modify to these embodiments.
Claims (5)
1., for a section cooling method for hot continuous rolling, comprising:
A) obtain with roll the identification information being with refrigerating mode that steel is corresponding;
B) from configuration file, the switching value of each upper header corresponding with described identification information and the switching value of each lower collector pipe is obtained, wherein, switching value is that the first predetermined value represents that corresponding collector can be used, and switching value is that the second predetermined value represents that corresponding collector can not be used;
C) by cooling jig calculate need open the quantity N of upper header and the quantity M of lower collector pipe, wherein, N be greater than 0 natural number, M be greater than 0 natural number;
D) by the top n in the switching value of the upper header of acquisition be the first predetermined value switching value outside switching value be set to the second predetermined value, by M before in the switching value of the lower collector pipe of acquisition be the first predetermined value switching value outside switching value be set to the second predetermined value;
E) switching value of the switching value of each upper header and each lower collector pipe is sent to programmable logic controller (PLC), by PLC controls switching value to be upper header and the lower collector pipe unlatching of the first predetermined value.
2. the method for claim 1, wherein step a) comprising:
Receive operating personnel select refrigerating mode operation by man-machine interface;
Obtain and the described identification information operating corresponding refrigerating mode.
3. the method for claim 1, wherein step a) comprising:
Based on roll band steel attribute information by mode selection pattern obtain with roll the identification information being with refrigerating mode that steel is corresponding.
4. the method for claim 1, wherein described method also comprises: the step f adding refrigerating mode in configuration file), wherein, step f) comprising:
F1) operation that operating personnel input the identification information of refrigerating mode, the switching value of each upper header, the switching value of each lower collector pipe in configuration file is received;
F2) switching value of the identification information of described refrigerating mode, each upper header, the switching value of each lower collector pipe are associatedly kept in configuration file.
5. the method for claim 1, wherein described method also comprises: the step g revising refrigerating mode in configuration file), wherein, step g) comprising:
G1) operation that operating personnel modify to the switching value of upper header corresponding with the identification information of a refrigerating mode in configuration file or the switching value of lower collector pipe is received;
G2) based on described operation, the switching value of described upper header or the switching value of lower collector pipe are edited;
G3) switching value of described upper header after editor or the switching value of lower collector pipe is preserved.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410284115.8A CN104014597B (en) | 2014-06-23 | 2014-06-23 | For the section cooling method of hot continuous rolling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410284115.8A CN104014597B (en) | 2014-06-23 | 2014-06-23 | For the section cooling method of hot continuous rolling |
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| CN104014597A CN104014597A (en) | 2014-09-03 |
| CN104014597B true CN104014597B (en) | 2015-10-21 |
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| CN106903175A (en) * | 2015-12-23 | 2017-06-30 | 本钢板材股份有限公司 | A kind of method of 2300mm hot tandems super-dense cooling |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1072695A1 (en) * | 1999-01-26 | 2001-01-31 | Nippon Steel Corporation | Method and device for removing and suppressing scale of metal material |
| CN102166582A (en) * | 2010-12-13 | 2011-08-31 | 河北省首钢迁安钢铁有限责任公司 | Method for improving control precision of coiling temperature |
| GB2484917A (en) * | 2010-10-25 | 2012-05-02 | Siemens Vai Metals Tech Ltd | Method of cooling a longitudinally profiled plate |
| CN103111474A (en) * | 2013-03-15 | 2013-05-22 | 重庆钢铁(集团)有限责任公司 | Hot rolling laminar cooling temperature control device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3762536B2 (en) * | 1998-03-02 | 2006-04-05 | 日新製鋼株式会社 | Hot rolled steel sheet cooling device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1072695A1 (en) * | 1999-01-26 | 2001-01-31 | Nippon Steel Corporation | Method and device for removing and suppressing scale of metal material |
| GB2484917A (en) * | 2010-10-25 | 2012-05-02 | Siemens Vai Metals Tech Ltd | Method of cooling a longitudinally profiled plate |
| CN102166582A (en) * | 2010-12-13 | 2011-08-31 | 河北省首钢迁安钢铁有限责任公司 | Method for improving control precision of coiling temperature |
| CN103111474A (en) * | 2013-03-15 | 2013-05-22 | 重庆钢铁(集团)有限责任公司 | Hot rolling laminar cooling temperature control device |
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