CN105013859A - Method for reducing head towers of hot-rolled steel coils - Google Patents
Method for reducing head towers of hot-rolled steel coils Download PDFInfo
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- CN105013859A CN105013859A CN201510427927.8A CN201510427927A CN105013859A CN 105013859 A CN105013859 A CN 105013859A CN 201510427927 A CN201510427927 A CN 201510427927A CN 105013859 A CN105013859 A CN 105013859A
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- control side
- flipper guide
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Abstract
The invention discloses a method for reducing head towers of hot-rolled steel coils. The method includes the steps that after secondary short-stroke control is completed, the following mode of a side guide plate on the position control side is triggered to be started, and the actual pressure value of a side guide plate on the pressure control side is regarded as the pressure set value of the side guide plate on the position control side; and when the actual pressure value of the side guide plate on the position control side is larger than or equal to 80% of the pressure set value, the following mode of the side guide plate on the position control side is stopped, and the side guide plate on the position control side is locked. By means of the method, it can be guaranteed that strip steel is coiled on an equipment center line, and the serious influence of lining plate wear is reduced; the situation that an operator opens the side guide plates manually before the strip steel enters the side guide plates, and consequently the final position set value of the position control side is influenced is avoided; the two sides are simultaneously closed and centered, so that the centering response speed of the strip steel is increased, and the control length of the ineffective segments of the side guide plates is reduced.
Description
Technical field
The present invention relates to steel rolling and batch technical field, particularly relate to a kind of method reducing coils of hot-rolled steel head turriform.
Background technology
Steel roll tower shaped problem is an extremely important influence factor of hot-rolled product quality, and head tower has a strong impact on the production capacity of finishing machine, and tailing column causes serious cutting to damage waste, and these all will cause the raising of production cost.
Length is controlled in order to reduce band steel flipper guide exhaustion phase, ensure band steel can stability and safety enter coiling machine, avoid band steel approaching side guide plate, finish rolling outlet strip steel head disalignment is serious, operating personnel's manual unlocking, for the impact of final position, position control side setting value, can avoid finish rolling to export strip steel head disalignment serious like this.
But find in the process used, this control method can cause the problem of coils of hot-rolled steel head turriform.
Summary of the invention
The application provides a kind of method reducing coils of hot-rolled steel head turriform, solves the technical problem that control method of the prior art can cause coils of hot-rolled steel head turriform.
The application provides a kind of method reducing coils of hot-rolled steel head turriform, and described method comprises:
After secondary short stroke control completes, the flipper guide follow the mode that trigger position controls side starts, the pressure set points using the actual pressure value of the flipper guide of Stress control side as the flipper guide of position control side;
When the actual pressure value of the flipper guide of position control side reach described pressure set points be more than or equal to 80% time, close the flipper guide follow the mode of described position control side, and lock the flipper guide of described position control side.
Preferably, described method also comprises: the head pressure setting improving the flipper guide of described Stress control side.
Preferably, the setting of the head pressure of the flipper guide of described raising described Stress control side, specifically comprises: flipper guide setting pressure is improved 30%, second action time 2 pinching to trigger after roller strap carries one-level program is inner, improve the alignment degree of strip steel head.
Preferably, described method also comprises, described after secondary short stroke control completes, the flipper guide follow the mode that trigger position controls side starts, using the actual pressure value of the flipper guide of Stress control side as before the pressure set points of the flipper guide of position control side, the action triggers opportunity of the flipper guide secondary short stroke of Stress control side in advance.
Preferably, the action triggers of the described flipper guide secondary short stroke of Stress control side in advance comprises opportunity: the flipper guide secondary short stroke action pinching flipper guide and the described Stress control side of triggering described position control side after roller strap carried for 0.5 second.
Preferably, described secondary short stroke control comprises:
The flipper guide of described Stress control side and the flipper guide position control of described position control side, perform the setting of current band steel position;
When the cold inspection band of coiling machine carries, the flipper guide of described Stress control side and the flipper guide of described position control side perform a short stroke simultaneously;
When pinching roller strap information carrying number and triggering, the flipper guide of described Stress control side and the flipper guide of described position control side perform secondary short stroke simultaneously, and so far, twice short stroke completes.
The application's beneficial effect is as follows:
The method can ensure that band steel in a device heart line carries out batching, reducing having a strong impact on of wear liner; Before avoiding being with steel approaching side guide plate, operating personnel's manual unlocking is for the impact of final position, position control side setting value; Centering is closed in both sides simultaneously, improve centering of strip steel response speed, reduce flipper guide exhaustion phase and control length, efficiently solve operating personnel's manual unlocking before head side guide plate controls inefficacy segment length, band steel approaching side guide plate and the turriform defect serious problems that the reasons such as equipment center line, flipper guide wear liner be serious cause are departed from for the impact of final position, position control side setting value, strip coiling.The method does not increase investment and production cost, and simply, applicability is strong, and control effects is remarkable.Ensure that batch that hot rolling produces is stable and batch effect, hot steel rolling production quality and lumber recovery are promoted there is obvious effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described by the accompanying drawing used required in describing embodiment below, apparently, the accompanying drawing in the following describes is only some embodiments of the present invention.
Fig. 1 is a kind of flow chart reducing the method for coils of hot-rolled steel head turriform of the application's better embodiment;
Fig. 2 is the Control timing sequence figure of the method in Fig. 1.
Detailed description of the invention
The embodiment of the present application, by providing a kind of method reducing coils of hot-rolled steel head turriform, solves the technical problem that control method of the prior art can cause coils of hot-rolled steel head turriform.
Technical scheme in the embodiment of the present application is for solving the problems of the technologies described above, and general thought is as follows:
The application provides a kind of method reducing coils of hot-rolled steel head turriform, and described method comprises:
After secondary short stroke control completes, the flipper guide follow the mode that trigger position controls side starts, the pressure set points using the actual pressure value of the flipper guide of Stress control side as the flipper guide of position control side;
When the actual pressure value of the flipper guide of position control side reach described pressure set points be more than or equal to 80% time, close the flipper guide follow the mode of described position control side, and lock the flipper guide of described position control side.
The method can ensure that band steel in a device heart line carries out batching, reducing having a strong impact on of wear liner; Before avoiding being with steel approaching side guide plate, operating personnel's manual unlocking is for the impact of final position, position control side setting value; Centering is closed in both sides simultaneously, improve centering of strip steel response speed, reduce flipper guide exhaustion phase and control length, efficiently solve operating personnel's manual unlocking before head side guide plate controls inefficacy segment length, band steel approaching side guide plate and the turriform defect serious problems that the reasons such as equipment center line, flipper guide wear liner be serious cause are departed from for the impact of final position, position control side setting value, strip coiling.The method does not increase investment and production cost, and simply, applicability is strong, and control effects is remarkable.Ensure that batch that hot rolling produces is stable and batch effect, hot steel rolling production quality and lumber recovery are promoted there is obvious effect.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
The application provides a kind of method reducing coils of hot-rolled steel head turriform, carries out third time short stroke control to the band steel using this coiling machine to batch after secondary short stroke control completes.Described method comprises:
Step S10, after secondary short stroke control completes, the flipper guide follow the mode that trigger position controls side starts, the pressure set points using the actual pressure value of the flipper guide of Stress control side as the flipper guide of position control side;
Step S20, when the actual pressure value of the flipper guide of position control side reach described pressure set points be more than or equal to 80% time, close the flipper guide follow the mode of described position control side, and lock the flipper guide of described position control side.
Method actual time of above-mentioned reduction coils of hot-rolled steel head turriform, increase flipper guide position control side follow the mode, Stress control side control model was constant after secondary short stroke control, was applied on band steel with constant pressure.
Above-mentioned steps specifically performs as follows, both sides enter pressure control mode to the one-sided of plate, opposite side position control is followed Stress control side position actual value and is closed, when position control side actual feedback pressure reaches flipper guide setting pressure 80%, position control side lock current actual positions carries out position control, and opposite side Stress control regulates automatically; When tail part of band steel tracks to first 18 meters of flipper guide, flipper guide both sides perform afterbody short stroke and open, and both sides are all switched to position control mode; When tail part of band steel leaves pinch roll, flipper guide both sides are opened to next block band steel desired location, both sides position control mode.
The method can ensure that band steel in a device heart line carries out batching, reducing having a strong impact on of wear liner; Before avoiding being with steel approaching side guide plate, operating personnel's manual unlocking is for the impact of final position, position control side setting value; Centering is closed in both sides simultaneously, improves centering of strip steel response speed, reduces flipper guide exhaustion phase and controls length.
Further, described method also comprises the head pressure setting of the flipper guide improving described Stress control side, specifically flipper guide setting pressure is improved 30%, second action time 2 pinching to trigger after roller strap carries one-level program is inner, improve the alignment degree of strip steel head.The method can improve strip steel head centering pressure, improves head level of control, and strip steel head can be avoided to impact cause position control to follow function closing locking ahead of time.
Again, described method also comprises, described after secondary short stroke control completes, the flipper guide follow the mode that trigger position controls side starts, using the actual pressure value of the flipper guide of Stress control side as before the pressure set points of the flipper guide of position control side, the action triggers opportunity of the flipper guide secondary short stroke of Stress control side in advance, specifically, pinch after roller strap carried for 0.5 second and trigger the action of flipper guide secondary short stroke immediately, after secondary short stroke control completes, three short strokes start to perform immediately.The method effectively can reduce strip steel head exhaustion phase and control length, improves head scroll quality.
The invention provides a kind of method of effective reduction coils of hot-rolled steel head turriform, efficiently solve operating personnel's manual unlocking before head side guide plate controls inefficacy segment length, band steel approaching side guide plate and the turriform defect serious problems that the reasons such as equipment center line, flipper guide wear liner be serious cause are departed from for the impact of final position, position control side setting value, strip coiling.The method does not increase investment and production cost, and simply, applicability is strong, and control effects is remarkable.Ensure that batch that hot rolling produces is stable and batch effect, hot steel rolling production quality and lumber recovery are promoted there is obvious effect.
Utilize involved in the present invention to control method produce in batches on the side guide plate of recoiling machine of X steel 1580 hot continuous rolling production line, come into operation in process of production always, strip coiling process stabilization, steel roll tower shaped quantity obviously reduce, scroll increased quality Be very effective.
Described secondary short stroke control comprises: the flipper guide of described Stress control side and the flipper guide position control of described position control side, performs the setting of current band steel position; When the cold inspection band of coiling machine carries, the flipper guide of described Stress control side and the flipper guide of described position control side perform a short stroke simultaneously; When pinching roller strap information carrying number and triggering, the flipper guide of described Stress control side and the flipper guide of described position control side perform secondary short stroke simultaneously, and so far, twice short stroke completes.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (6)
1. reduce a method for coils of hot-rolled steel head turriform, it is characterized in that, described method comprises:
After secondary short stroke control completes, the flipper guide follow the mode that trigger position controls side starts, the pressure set points using the actual pressure value of the flipper guide of Stress control side as the flipper guide of position control side;
When the actual pressure value of the flipper guide of position control side reach described pressure set points be more than or equal to 80% time, close the flipper guide follow the mode of described position control side, and lock the flipper guide of described position control side.
2. the method for claim 1, is characterized in that, described method also comprises: the head pressure setting improving the flipper guide of described Stress control side.
3. the method for claim 1, it is characterized in that, the head pressure setting of the flipper guide of the described Stress control side of described raising, specifically comprise: flipper guide setting pressure is improved 30% pinching to trigger after roller strap carries one-level program is inner, in second action time 2, improve the alignment degree of strip steel head.
4. the method for claim 1, it is characterized in that, described method also comprises, described after secondary short stroke control completes, the flipper guide follow the mode that trigger position controls side starts, using the actual pressure value of the flipper guide of Stress control side as before the pressure set points of the flipper guide of position control side, the action triggers opportunity of the flipper guide secondary short stroke of Stress control side in advance.
5. method as claimed in claim 4, it is characterized in that, the action triggers of the described flipper guide secondary short stroke of Stress control side in advance comprises opportunity: the flipper guide secondary short stroke action pinching flipper guide and the described Stress control side of triggering described position control side after roller strap carried for 0.5 second.
6. the method for claim 1, is characterized in that, described secondary short stroke control comprises:
The flipper guide of described Stress control side and the flipper guide position control of described position control side, perform the setting of current band steel position;
When the cold inspection band of coiling machine carries, the flipper guide of described Stress control side and the flipper guide of described position control side perform a short stroke simultaneously;
When pinching roller strap information carrying number and triggering, the flipper guide of described Stress control side and the flipper guide of described position control side perform secondary short stroke simultaneously, and so far, twice short stroke completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510427927.8A CN105013859B (en) | 2015-07-20 | 2015-07-20 | A kind of method reducing coils of hot-rolled steel head turriform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510427927.8A CN105013859B (en) | 2015-07-20 | 2015-07-20 | A kind of method reducing coils of hot-rolled steel head turriform |
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| CN105013859A true CN105013859A (en) | 2015-11-04 |
| CN105013859B CN105013859B (en) | 2017-03-01 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144985A (en) * | 2016-12-05 | 2018-06-12 | 上海梅山钢铁股份有限公司 | Prevent turriform from unloading the control device of volume |
| CN108435824A (en) * | 2018-03-16 | 2018-08-24 | 山东鲁冶瑞宝电气自动化有限公司 | A kind of compress control method of side guide plate of recoiling machine |
| CN112692055A (en) * | 2020-12-30 | 2021-04-23 | 唐山燕山钢铁有限公司 | Rolling process of low-alloy high-strength steel |
| CN113522979A (en) * | 2021-06-17 | 2021-10-22 | 武汉钢铁有限公司 | Edge shape control method for hot-rolled thin material |
| CN114535355A (en) * | 2022-03-10 | 2022-05-27 | 山东钢铁集团日照有限公司 | Side guide plate control method of hot rolling coiler capable of improving coil quality |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144985A (en) * | 2016-12-05 | 2018-06-12 | 上海梅山钢铁股份有限公司 | Prevent turriform from unloading the control device of volume |
| CN108144985B (en) * | 2016-12-05 | 2019-07-19 | 上海梅山钢铁股份有限公司 | Prevent the tower-shaped control device for unloading volume |
| CN108435824A (en) * | 2018-03-16 | 2018-08-24 | 山东鲁冶瑞宝电气自动化有限公司 | A kind of compress control method of side guide plate of recoiling machine |
| CN112692055A (en) * | 2020-12-30 | 2021-04-23 | 唐山燕山钢铁有限公司 | Rolling process of low-alloy high-strength steel |
| CN113522979A (en) * | 2021-06-17 | 2021-10-22 | 武汉钢铁有限公司 | Edge shape control method for hot-rolled thin material |
| CN114535355A (en) * | 2022-03-10 | 2022-05-27 | 山东钢铁集团日照有限公司 | Side guide plate control method of hot rolling coiler capable of improving coil quality |
| CN114535355B (en) * | 2022-03-10 | 2023-10-31 | 山东钢铁集团日照有限公司 | Control method of side guide plate of hot rolling coiling machine capable of improving coil quality |
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| CN105013859B (en) | 2017-03-01 |
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