CN102389958A - Electric dynamic regulation slag line system and regulation method thereof - Google Patents
Electric dynamic regulation slag line system and regulation method thereof Download PDFInfo
- Publication number
- CN102389958A CN102389958A CN2011103460944A CN201110346094A CN102389958A CN 102389958 A CN102389958 A CN 102389958A CN 2011103460944 A CN2011103460944 A CN 2011103460944A CN 201110346094 A CN201110346094 A CN 201110346094A CN 102389958 A CN102389958 A CN 102389958A
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- lifting motor
- slag line
- photoelectric encoder
- tundish
- residue adjustment
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Abstract
The invention provides an electric dynamic regulation slag line system and a regulation method thereof. An incremental photoelectric encoder is arranged at the tail end of a lifting motor of a tundish car, one end of the incremental photoelectric encoder is connected with the lifting motor of the tundish car through a shaft sleeve, the other end of the incremental photoelectric encoder is divided into tow paths through a cable, one path is connected with a frequency converter cabinet, the other path is connected with an electric PLC (programmable logic controller) cabinet, the lifting motor of the tundish car synchronously drives four T-shaped ball-screw lifters through a reversal reducer, the frequency converter cabinet carries out closed loop control on the lifting speed of the lifting motor of the tundish car through the incremental photoelectric encoder, and the electric PLC cabinet is used for controlling the lifting position of the lifting motor of the tundish car through the incremental photoelectric encoder. By the adoption of the electric dynamic regulation slag line system and the regulation method thereof, the service life of a tundish submersed nozzle of a continuous casting machine can be prolonged, and the advantages of simple configuration and convenience in implementation can be achieved; and the electric dynamic regulation slag line system and the regulation method thereof are applicable to both the design of a new tundish car and the modification of an old tundish car.
Description
Technical field
The present invention relates to metallurgy industry conticaster field, be specifically related to a kind of electrodynamic type and dynamically adjust slag line system and method for adjustment thereof.
Background technology
During continuous casting is produced; The tundish submersed nozzle is owing to the real-time erosion that receives slag layer, liquid slag layer, and the life-span generally only had an appointment 5～6 hours, is the service life that prolongs conticaster tundish submersed nozzle; Be necessary to take a kind of technical measures, the slag line position of conversion submersed nozzle.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art; The object of the present invention is to provide a kind of electrodynamic type dynamically to adjust slag line system and method for adjustment thereof; Can prolong the service life of conticaster tundish submersed nozzle; Have configuration advantage simple, easy to implement, be applicable to the design of new middle hired car, also be applicable to the transformation of old middle hired car.
In order to achieve the above object, the technical scheme taked of the present invention is:
A kind of electrodynamic type is dynamically adjusted the slag line system; Hired car lifting motor 2 in the middle of comprising; Hired car lifting motor 2 afterbodys are equipped with an incremental photoelectric encoder 1 in the centre, and an end of incremental photoelectric encoder 1 links to each other with centre hired car lifting motor 2 through axle sleeve, and the other end of incremental photoelectric encoder 1 is divided into two-way through cable; One the tunnel is connected with frequency converter cabinet 7, and another road is connected with electric PLC cabinet 8.
Electrodynamic type is dynamically adjusted the method for adjustment of slag line system:
After the residue adjustment sequence of threads starts, judge whether residue adjustment lines spare satisfies,, then discharge dependent failure and satisfy until residue adjustment lines spare as not satisfying;
After residue adjustment lines spare satisfies; PLC reads the starting point of the current location of encoder as the residue adjustment line; The setting value that rises for the first time is the target location, and middle hired car lifting motor 2 begins rotation, and the rising of tundish equipment drives slag line and rises; Program judges whether to put in place, and physical location stops after arriving the set point that rises for the first time;
After 15 minutes, judge whether 8 residue adjustment line cycles accomplish, if accomplish; PLC reads the starting point of the current location of encoder as the residue adjustment line once more, and the setting value that rises for the second time is the target location, rises once more; Accomplish up to 8 residue adjustment line loop cycle, tundish equipment begins to descend, and PLC reads the starting point of the current location of encoder as the residue adjustment line; The setting value that descends for the first time is the target location, middle hired car lifting motor 2 beginning reverse rotations, and the decline of tundish equipment drives slag line and descends; Program judges whether to put in place, and physical location stops after arriving the set point that descends for the first time;
The same with rising, after 8 cycle periods were accomplished, the slag line adjustment process of one whole finished.
Because the Motorized lift device of hired car in the middle of the present invention utilizes fully; Only need incremental photoelectric encoder of hired car lifting motor afterbody outfit in the centre; Can prolong the service life of tundish submersed nozzle; So have configuration advantage simple, easy to implement, be applicable to the design of new middle hired car, also be applicable to the transformation of old middle hired car.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a work sketch map of the present invention.
Fig. 3 is an electrical control program flow chart of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further specified.
With reference to Fig. 1; A kind of electrodynamic type is dynamically adjusted the slag line system; Hired car lifting motor 2 in the middle of comprising, middle hired car lifting motor 2 is connected through the input of the shoe brake 3 and the first chang-over speed reducing box 4-1, and the output of the first chang-over speed reducing box 4-1 is connected with the input of the second chang-over speed reducing box 4-2; First output of the second chang-over speed reducing box 4-2 is connected with a T type ball-screw lift 5-1; Second output of the second chang-over speed reducing box 4-2 is connected with the 2nd T type ball-screw lift 5-2 through the first power transmission shaft 6-1, and the 3rd output of the second chang-over speed reducing box 4-2 is connected through the input of the second power transmission shaft 6-2 and the 3rd chang-over speed reducing box 4-3, and first output of the 3rd chang-over speed reducing box 4-3 is connected with the 3rd T type ball-screw lift 5-3; Second output of the 3rd chang-over speed reducing box 4-3 is connected with the 4th T type ball-screw lift 5-4 through the 3rd power transmission shaft 6-3; Hired car lifting motor 2 afterbodys are equipped with an incremental photoelectric encoder 1 in the centre, and an end of incremental photoelectric encoder 1 links to each other with centre hired car lifting motor 2 through axle sleeve, and the other end of incremental photoelectric encoder 1 is divided into two-way through cable; One the tunnel is connected with frequency converter cabinet 7; Do the rising or falling speed closed-loop control, another road is connected with electric PLC cabinet 8, does lifting position control.
Operation principle of the present invention is:
Middle hired car lifting motor 2 drives the first chang-over speed reducing box 4-1 and the second chang-over speed reducing box 4-2 through shoe brake 3; The second chang-over speed reducing box 4-2 drives a T type ball-screw lift 5-1; The second chang-over speed reducing box 4-2 drives the 2nd T type ball-screw lift 5-2 through the first power transmission shaft 6-1 again; The second chang-over speed reducing box 4-2 drives the 3rd chang-over speed reducing box 4-3 through the second power transmission shaft 6-2 again; The 3rd chang-over speed reducing box 4-3 drives the 3rd T type ball-screw lift 5-3; The 3rd chang-over speed reducing box 4-3 drives the 4th T type ball-screw lift 5-4 through the 3rd power transmission shaft 6-3 again; Four T type ball-screw lifts are driven in synchronism, and frequency converter cabinet 7 is done the rising or falling speed closed-loop control through 1 pair of middle hired car lifting motor 2 of incremental photoelectric encoder, and electric PLC cabinet 8 is done lifting position control through 1 pair of middle hired car lifting motor 2 of incremental photoelectric encoder.
Concrete application of the present invention is with reference to Fig. 2; On the hired car 10, the submersed nozzle 11 of tundish degree of depth by technological requirement when producing was inserted in the crystallizer 12 in the middle of tundish 9 was sitting in, and electrodynamic type is dynamically adjusted up-down displacement and the time of staying of slag line system 13 according to electrical control procedure auto-control tundish; As: the degree of depth of inserting the molten steel face with current submersed nozzle is a benchmark; In the scope of ± 40mm, every at a distance from 15 minutes, control the submersed nozzle rising 5mm of tundish; Promptly arrive limes superiors then automatically downwards, then make progress automatically to limit inferior.Like this, just prolonged the service life of submersed nozzle effectively, made it to reach and the tundish equivalent life, in general, be 2～3 times of mouth of a river life-span when not using this technology this service life.
With reference to Fig. 3, Fig. 3 is the electrical control program flow chart that electrodynamic type is dynamically adjusted the slag line system, after the residue adjustment sequence of threads starts; Judge whether residue adjustment lines spare satisfies; Close a floodgate and fault-free like tundish lifting motor frequency converter, motor fan heat continues normally, and the motor band-type brake is normal; After condition satisfies; PLC reads the starting point of the current location of encoder as the residue adjustment line; The setting value that rises for the first time is the target location, and middle hired car lifting motor 2 begins rotation, and the rising of tundish equipment drives slag line and rises; Program judges whether to put in place, and physical location stops after arriving the set point that rises for the first time; Judge after 15 minutes whether 8 residue adjustment line cycles accomplish, if accomplish, PLC reads the starting point of the current location of encoder as the residue adjustment line once more; The setting value that rises for the second time is the target location, rises once more, accomplishes up to 8 residue adjustment line loop cycle; Tundish equipment begins to descend, and PLC reads the starting point of the current location of encoder as the residue adjustment line, and the setting value that descends for the first time is the target location; Middle hired car lifting motor 2 beginning reverse rotations; Tundish equipment descends and drives slag line decline, and program judges whether to put in place, and physical location stops after arriving the set point that descends for the first time; The same with rising, after 8 cycle periods were accomplished, the slag line adjustment process of one whole finished.
Claims (2)
1. an electrodynamic type is dynamically adjusted the architectural feature of slag line system; It is characterized in that: hired car lifting motor (2) afterbody is equipped with an incremental photoelectric encoder (1) in the centre; One end of incremental photoelectric encoder (1) links to each other with middle hired car lifting motor (2) through axle sleeve; The other end of incremental photoelectric encoder (1) is divided into two-way through cable, and one the tunnel is connected with frequency converter cabinet (7), and another road is connected with electric PLC cabinet (8).
2. a kind of electrodynamic type according to claim 1 is dynamically adjusted the method for adjustment of slag line system, it is characterized in that,
After the residue adjustment sequence of threads starts, judge whether residue adjustment lines spare satisfies,, then discharge dependent failure and satisfy until residue adjustment lines spare as not satisfying;
After residue adjustment lines spare satisfies; PLC reads the starting point of the current location of encoder as the residue adjustment line; The setting value that rises for the first time is the target location, and middle hired car lifting motor 2 begins rotation, and the rising of tundish equipment drives slag line and rises; Program judges whether to put in place, and physical location stops after arriving the set point that rises for the first time;
Judge after 15 minutes whether 8 residue adjustment line cycles accomplish, if accomplish, PLC reads the starting point of the current location of encoder as the residue adjustment line once more; The setting value that rises for the second time is the target location, rises once more, accomplishes up to 8 residue adjustment line loop cycle; Tundish equipment begins to descend, and PLC reads the starting point of the current location of encoder as the residue adjustment line, and the setting value that descends for the first time is the target location; Middle hired car lifting motor 2 beginning reverse rotations; Tundish equipment descends and drives slag line decline, and program judges whether to put in place, and physical location stops after arriving the set point that descends for the first time;
The same with rising, after 8 cycle periods were accomplished, the slag line adjustment process of one whole finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103460944A CN102389958A (en) | 2011-11-04 | 2011-11-04 | Electric dynamic regulation slag line system and regulation method thereof |
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| CN2011103460944A CN102389958A (en) | 2011-11-04 | 2011-11-04 | Electric dynamic regulation slag line system and regulation method thereof |
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| CN102389958A true CN102389958A (en) | 2012-03-28 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759598A (en) * | 2015-03-18 | 2015-07-08 | 山东钢铁股份有限公司 | Method and device for submersed nozzle slag line of automatic adjusting slab caster |
| CN109290542A (en) * | 2018-12-12 | 2019-02-01 | 山东钢铁股份有限公司 | A kind of lift control method and device of continuous casting tundish vehicle |
| CN110449569A (en) * | 2019-09-11 | 2019-11-15 | 攀钢集团西昌钢钒有限公司 | A kind of submersed nozzle slag line method of adjustment |
| CN110961590A (en) * | 2018-09-30 | 2020-04-07 | 上海梅山钢铁股份有限公司 | Molten steel superheat degree-based automatic submerged nozzle slag line control method |
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| CN1872457A (en) * | 2006-01-07 | 2006-12-06 | 姜虹 | Immersion type protector of down spout for the pouring basket in continuous casting system |
| CN101229576A (en) * | 2007-01-25 | 2008-07-30 | 鞍钢股份有限公司 | Slag line control method of continuous casting crystallizer |
| CN101302691A (en) * | 2008-07-07 | 2008-11-12 | 浙江大学 | Jig dyeing cloth linear velocity detection device |
| CN201537697U (en) * | 2009-11-02 | 2010-08-04 | 一重集团大连设计研究院有限公司 | Tundish car control device of continuous casting machine |
| CN201728346U (en) * | 2010-01-18 | 2011-02-02 | 福建三钢闽光股份有限公司 | Variable-slag-line control device of slab continuous casting submerged nozzle |
| CN202377509U (en) * | 2011-11-04 | 2012-08-15 | 中国重型机械研究院有限公司 | Electrodynamic device for dynamic adjustment of slag line |
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2011
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Patent Citations (6)
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| CN1872457A (en) * | 2006-01-07 | 2006-12-06 | 姜虹 | Immersion type protector of down spout for the pouring basket in continuous casting system |
| CN101229576A (en) * | 2007-01-25 | 2008-07-30 | 鞍钢股份有限公司 | Slag line control method of continuous casting crystallizer |
| CN101302691A (en) * | 2008-07-07 | 2008-11-12 | 浙江大学 | Jig dyeing cloth linear velocity detection device |
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| CN201728346U (en) * | 2010-01-18 | 2011-02-02 | 福建三钢闽光股份有限公司 | Variable-slag-line control device of slab continuous casting submerged nozzle |
| CN202377509U (en) * | 2011-11-04 | 2012-08-15 | 中国重型机械研究院有限公司 | Electrodynamic device for dynamic adjustment of slag line |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759598A (en) * | 2015-03-18 | 2015-07-08 | 山东钢铁股份有限公司 | Method and device for submersed nozzle slag line of automatic adjusting slab caster |
| CN110961590A (en) * | 2018-09-30 | 2020-04-07 | 上海梅山钢铁股份有限公司 | Molten steel superheat degree-based automatic submerged nozzle slag line control method |
| CN109290542A (en) * | 2018-12-12 | 2019-02-01 | 山东钢铁股份有限公司 | A kind of lift control method and device of continuous casting tundish vehicle |
| CN110449569A (en) * | 2019-09-11 | 2019-11-15 | 攀钢集团西昌钢钒有限公司 | A kind of submersed nozzle slag line method of adjustment |
| CN110449569B (en) * | 2019-09-11 | 2021-12-03 | 攀钢集团西昌钢钒有限公司 | Submerged nozzle slag line adjusting method |
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Application publication date: 20120328 |