CN104399747A - Steckel mill production line - Google Patents

Steckel mill production line Download PDF

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Publication number
CN104399747A
CN104399747A CN201410653506.2A CN201410653506A CN104399747A CN 104399747 A CN104399747 A CN 104399747A CN 201410653506 A CN201410653506 A CN 201410653506A CN 104399747 A CN104399747 A CN 104399747A
Authority
CN
China
Prior art keywords
mill
finishing mill
finishing
pinch roll
steekle
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.)
Pending
Application number
CN201410653506.2A
Other languages
Chinese (zh)
Inventor
姜益强
孙韶辉
阮东辉
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.)
China First Heavy Industries Co Ltd
CFHI Dalian Design and Research Institute Co Ltd
Original Assignee
China First Heavy Industries Co Ltd
CFHI Dalian Design and Research Institute 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 China First Heavy Industries Co Ltd, CFHI Dalian Design and Research Institute Co Ltd filed Critical China First Heavy Industries Co Ltd
Priority to CN201410653506.2A priority Critical patent/CN104399747A/en
Publication of CN104399747A publication Critical patent/CN104399747A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B39/00Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/14Guiding, positioning or aligning work
    • B21B39/16Guiding, positioning or aligning work immediately before entering or after leaving the pass
    • B21B39/165Guides or guide rollers for rods, bars, rounds, tubes ; Aligning guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
    • B21B45/08Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing hydraulically

Abstract

The invention discloses a steckel mill production line, which a production line consisting of a steckel mill, a discharge roller bed, clamping feeding rollers, two sets of coiling machines and three sets of finishing mills arranged after the steckel mill, wherein the three sets of finishing mills comprise finishing mills F1, F2 and F3; an outlet of the steckel mill is connected with the finishing mill F1 through a furnace bottom roller bed, a front roller bed of the clamping feeding rollers, a front clamping feeding roller manipulator, a front clamping feeding roller of the finishing mill F1, a front loop of the finishing mill F1 and an inlet guide of the finishing mill F1; the finishing mills are connected through inter-finishing mill guides and inter-finishing mill loops; an outlet guide of the finishing mill F3 is arranged at an outlet of the finishing mill F3; the two sets of coiling machines are first and second coiling machines respectively, and are connected with the outlet guide of the finishing mill through the first and second clamping feeding rollers and the discharge roller bed. The steckel mill production line has the beneficial effects that a thinner strip steel product can be rolled, the shape and quality of strip steel can be better controlled, the precision of the strip steel can be improved, the annual output of a strip coil can be improved, and remarkable economic benefits are created.

Description

Steekle mill production line
Technical field
The invention belongs to metallurgy rolling mill apparatus field, particularly relate to steekle mill production line.
Background technology
Steekle mill has small investment, it is little to take up an area, produce the features such as flexible, and it is mainly to produce special steel and stainless steel.Traditional steekle mill production line is carry out reversible rolling by a steekle mill as finishing mill mostly, is rolled into finished strip.Current domestic steekle mill production line Problems existing is that the minimum thickness of the roll coil of strip does not reach requirement, and be with the plate shape of steel, quality and precision not high, annual production is relatively low.
Summary of the invention
The object of the invention is to carry out technology upgrading to existing steekle mill production line, the minimum thickness solving in above-mentioned existing steekle mill production line the existing roll coil of strip does not reach requirement, plate shape, the quality of band steel and the problem such as precision is not high and annual production is relatively low.
Technical solution of the present invention is: steekle mill production line, comprises the production line of steekle mill, runout table, pinch roll and coiling machine composition, it is characterized in that; Described steekle mill production line also comprises after being located at steekle mill 3 cover finishing mills.
Steekle mill production line of the present invention, it is characterized in that: 3 cover finishing mills after described steekle mill comprise F1 finishing mill, F2 finishing mill and F3 finishing mill, steekle mill outlet is connected with F1 finishing mill with F1 inlet guide by kink before pinch roll, F1 before manipulator, F1 finishing mill before roller track, pinch roll front roller-way, pinch roll, F1 finishing mill, between F2 finishing mill and F3 finishing mill by between finishing mill between guide and guard with finishing mill kink be connected, the outlet of F3 finishing mill is provided with F3 outlet guide; Described coiling machine is two covers, is respectively 1# coiling machine and 2# coiling machine, and 1# coiling machine is connected with F3 outlet guide with runout table by 1# pinch roll, 2# pinch roll with 2# coiling machine.
Steekle mill production line of the present invention, it is characterized in that: before described F1 finishing mill, pinch roll is provided with stream descal device, high pressure water descaling device is provided with between pinch roll and F1 finishing mill before F1 finishing mill, kink before band steel cooling device and F1 is provided with before F1 before F1 finishing mill, be provided with between each finishing mill between finishing mill and be with kink between steel cooling device and finishing mill, 3 cover finishing mills are provided with roll cooling device, and 3 cover finishing mills are provided with the finishing mill platform of connection.
Before pinch roll, the effect of manipulator carries out centering, the stream descal device before F1 milling train on pinch roll to the band steel of pinch roll before entering F1 milling train, controls the surface of steel plate for during rolling stainless steel; Before F1 milling train, the effect of pinch roll carries out clamping feeding F1 finishing mill to band steel, and with F1 before kink with the use of, make the band steel between steekle mill and F1 finishing mill set up tension force; High pressure water descaling device is for removing the secondary oxidation iron sheet of surface of steel plate; Before F1, band steel cooling device is for cooling this part steel plate; F1 inlet guide is powerful guide and guard, for band steel is imported F1 finishing mill smoothly; Between finishing mill, guide and guard are for being with steel to import smoothly, deriving finishing mill; Be with steel cooling device for cooling this part band steel plate between finishing mill; Between finishing mill, kink is used for the tension force setting up band steel between finishing mill; F3 outlet guide is used for steel plate derives F3 finishing mill smoothly; Finishing mill topping roll cooling device is for cooling working roll and the backing roll of milling train; Finishing mill platform is used for the installation and maintenance of finishing mill.
The rolling method of steekle mill production line of the present invention, it is characterized in that: described rolling method comprises: the band steel of last passes of steekle mill is exported by steekle mill delivers to roller track, band steel successively before pinch roll front roller-way, pinch roll manipulator arrive pinch roll before F1 finishing mill, then before F1, kink, F1 inlet guide enter F1 finishing mill; After the rolling of F1 finishing mill, band steel enters F2 finishing mill and the rolling of F3 finishing mill successively, finished strip sends into runout table by the F3 outlet guide of F3 finishing mill outlet, and finished strip is delivered to after 1# coiling machine and 2# coiling machine coil into the finished product roll coil of strip and transports by runout table respectively.
The invention has the beneficial effects as follows: add with 1 frame steekle mill the form that 3 frame finishing mills form 4 tandem rollings, thinner band steel can not only be shut out, and substantially increase the Quality and yield of band steel; Can better the plate shape of control cincture steel, and improve the precision of band steel, remarkable in economical benefits.
Accompanying drawing explanation
Fig. 1 is the structure diagram of steekle mill production line of the present invention.
In figure, 1, steekle mill 2, roller track 3, pinch roll front roller-way 4, manipulator 5 before pinch roll, stream descal device 6, pinch roll 7 before F1 finishing mill, high pressure water descaling device 8, band steel cooling device 9 before F1, kink 10 before F1, F1 inlet guide 11, F1 finishing mill 12, F2 finishing mill 13, F3 finishing mill 14, roll cooling device 15, guide and guard 16 between finishing mill, steel is with to cool 17 between finishing mill, kink 18 between finishing mill, F3 outlet guide 19, finishing mill platform 20, runout table 21, 1# pinch roll 22, 1# coiling machine 23, 2# pinch roll 24, 2# coiling machine 25, band steel
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described.Specific embodiment as shown in drawings.Be after the steekle mill of existing steekle mill production line, add 3 frame finishing mill and auxiliary devices, add a downcoiler and auxiliary device in coiling area.
3 cover finishing mills after steekle mill comprise F1 finishing mill 11, F2 finishing mill 12 and F3 finishing mill 13.Steekle mill 1 is exported and is connected with F1 finishing mill 11 with F1 inlet guide 10 by kink 9 before pinch roll 6, F1 before manipulator 4, F1 milling train before roller track 2, pinch roll front roller-way 3, pinch roll, F1 finishing mill 11, be connected with kink between finishing mill 17 by guide and guard 15 between finishing mill between F2 finishing mill 12 and F3 finishing mill 13, the outlet of F3 finishing mill 13 is provided with F3 outlet guide 18; Coiling machine is two covers, is respectively 1# coiling machine 22 and 2# coiling machine 24,1# coiling machine 22 and is connected with the outlet guide 18 of F3 finishing mill 13 with runout table 20 by 1# pinch roll 21,2# pinch roll 23 with 2# coiling machine 24.
Before F1 milling train, pinch roll 6 is provided with stream descal device 5, high pressure water descaling device 7 is provided with between pinch roll 6 and F1 finishing mill 11 before F1 milling train, kink 9 before band steel cooling device 8 and F1 is provided with before F1 before F1 milling train, be provided with between each finishing mill between finishing mill and be with kink 17 between steel cooling device 16 and finishing mill, 3 cover finishing mills are provided with roll cooling device 14, and 3 cover finishing mills are provided with the finishing mill platform 19 of connection.
The rolling method of steekle mill production line: the band steel of last passes of steekle mill 1 is exported by steekle mill 1 delivers to roller track 2, band steel successively before pinch roll front roller-way 3, pinch roll manipulator 4 arrive pinch roll 6 before F1 milling train, then before F1, kink 9, F1 inlet guide 10 enter F1 finishing mill 11; After F1 finishing mill 11 rolling, band steel enters F2 finishing mill 12 and F3 finishing mill 13 rolling successively, finished strip sends into runout table 20 by the outlet guide 18 in F3 finishing mill 13 exit, and finished strip is delivered to after 1# coiling machine 22 and 2# coiling machine 24 coil into the finished product roll coil of strip and transports by runout table 20 respectively.
With steel 25 when last passage of steekle mill 1 and F1 finishing mill 11, F2 finishing mill 12, F3 finishing mill 13 form four frame tandem rollings, thus be rolled into finished strip.Finished strip is transported to 1# pinch roll 21,1# coiling machine 22,2# pinch roll 23,2# coiling machine 24 by runout table 20, thus coils into the finished product roll coil of strip.

Claims (4)

1. steekle mill production line, comprises the production line of steekle mill, runout table, pinch roll and coiling machine composition, it is characterized in that: described steekle mill production line also comprises after being located at steekle mill 3 cover finishing mills.
2. steekle mill production line according to claim 1, is characterized in that: 3 cover finishing mills after described steekle mill comprise F1 finishing mill (11), F2 finishing mill (12) and F3 finishing mill (13); Steekle mill (1) outlet is connected with F1 finishing mill (11) with F1 inlet guide (10) by kink (9) before pinch roll (6), F1 before manipulator (4), F1 finishing mill before roller track (2), pinch roll front roller-way (3), pinch roll, F1 finishing mill (11), be connected with kink between finishing mill (17) by guide and guard (15) between finishing mill between F2 finishing mill (12) and F3 finishing mill (13), the outlet of F3 finishing mill (13) is provided with F3 outlet guide (18); Described coiling machine is two covers, be respectively 1# coiling machine (22) and 2# coiling machine (24), 1# coiling machine (22) is connected with F3 outlet guide (18) with runout table (20) by 1# pinch roll (21), 2# pinch roll (23) with 2# coiling machine (24).
3. steekle mill production line according to claim 1, it is characterized in that: before described F1 finishing mill, pinch roll (6) is provided with stream descal device (5), high pressure water descaling device (7) is provided with between pinch roll (6) and F1 finishing mill (11) before F1 finishing mill, kink (9) before band steel cooling device (8) and F1 is provided with before F1 before F1 finishing mill, be provided with between each finishing mill between finishing mill and be with kink (17) between steel cooling device (16) and finishing mill, 3 cover finishing mills are provided with roll cooling device (14), 3 cover finishing mills are provided with the finishing mill platform (19) of connection.
4. the rolling method of steekle mill production line described in claim 1, it is characterized in that: described rolling method comprises: the band steel (25) of steekle mill (1) last passes is exported by steekle mill (1) delivers to roller track (2), band steel (25) successively before pinch roll front roller-way (3), pinch roll manipulator (4) arrive pinch roll (6) before F1 finishing mill, then before F1, kink (9), F1 inlet guide (10) enter F1 finishing mill (11); After F1 finishing mill (11) rolling, band steel (25) enters F2 finishing mill (12) and F3 finishing mill (13) rolling successively, F3 outlet guide (18) that finished strip is exported by F3 finishing mill (13) sends into runout table (20), and finished strip is delivered to after 1# coiling machine (22) and 2# coiling machine (24) coil into the finished product roll coil of strip and transports by runout table (20) respectively.
CN201410653506.2A 2014-11-17 2014-11-17 Steckel mill production line Pending CN104399747A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN201410653506.2A CN104399747A (en) 2014-11-17 2014-11-17 Steckel mill production line

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104785521A (en) * 2015-04-21 2015-07-22 山东泰山钢铁集团有限公司 Method and system for rolling 410S ferrite stainless steel
CN106734263A (en) * 2016-12-15 2017-05-31 山东钢铁股份有限公司 A kind of mm finishing mill unit and finish rolling method that can clear up belt steel surface between finishing stand
CN108723790A (en) * 2018-06-08 2018-11-02 绍兴焕鑫管业有限公司 A kind of production line of circle pull rod
CN110918677A (en) * 2019-11-14 2020-03-27 北京科技大学设计研究院有限公司 Automatic control method of furnace coil rolling line coiler based on state machine

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104785521A (en) * 2015-04-21 2015-07-22 山东泰山钢铁集团有限公司 Method and system for rolling 410S ferrite stainless steel
CN106734263A (en) * 2016-12-15 2017-05-31 山东钢铁股份有限公司 A kind of mm finishing mill unit and finish rolling method that can clear up belt steel surface between finishing stand
CN108723790A (en) * 2018-06-08 2018-11-02 绍兴焕鑫管业有限公司 A kind of production line of circle pull rod
CN110918677A (en) * 2019-11-14 2020-03-27 北京科技大学设计研究院有限公司 Automatic control method of furnace coil rolling line coiler based on state machine

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