CN103249506B - For producing the rolling unit of tube steel and strip - Google Patents
For producing the rolling unit of tube steel and strip Download PDFInfo
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- CN103249506B CN103249506B CN201180060650.XA CN201180060650A CN103249506B CN 103249506 B CN103249506 B CN 103249506B CN 201180060650 A CN201180060650 A CN 201180060650A CN 103249506 B CN103249506 B CN 103249506B
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- 238000005096 rolling process Methods 0.000 title claims abstract description 127
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 17
- 239000010959 steel Substances 0.000 title claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 229910001566 austenite Inorganic materials 0.000 description 19
- 238000005098 hot rolling Methods 0.000 description 16
- 238000001953 recrystallisation Methods 0.000 description 16
- 238000005266 casting Methods 0.000 description 8
- 230000000930 thermomechanical effect Effects 0.000 description 5
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 235000012771 pancakes Nutrition 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 229910000742 Microalloyed steel Inorganic materials 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/004—Heating the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/04—Devices 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
- B21B45/06—Devices 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 of strip material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-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
- B21B1/46—Metal-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 metal immediately subsequent to continuous casting
- B21B1/463—Metal-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 metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/04—Devices 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
Abstract
The present invention relates to a kind of rolling unit for manufacturing metal tape, preferably tube steel and/or strip, temperature control can be affected by means of nonstorage calorifier (sensing heating part) wherein between finishing stand Fi and Fi 1, it is characterized in that, the spacing of frame Fi and Fi 1 (nonstorage calorifier is arranged in-between) is between 5 25m, and in addition to sensing heating part, between the two frame, it is disposed with extra cell: roll-type correcting unit (such as gaugger 14) and/or cutter 8 and/or live-roller are to 12 and/or mill scale washer 15.Additionally, rolling machine frame Fi and/or the region before rolling machine frame Fi have for affecting the band arching at headed and/or the adjustment element of band sliding.
Description
Technical field
The present invention relates to a kind of for manufacturing rolling unit (Walzstra e) of band, especially tube steel and/or strip, especially CSP equipment, it includes the casting device for manufacturing sheet billet (Duennbramme) and for sheet billet is rolled into band or the rolling unit of strip.
Background technology
Absolutely prove in the prior art and manufactured steel band or steel plate by hot rolling.Such as at article " the Improvement of Microstructural Homogeneity in Themomechanical of P. Uranga, A. I. etc.
Processed Nb Steels by Thin Slab Casting”(43rd
Mechanical Working and Steel Processing Conference, 15 Charlotte, ISS, the volume 39, page 511 to 529) in；Article " Processing of Niobium Microalloyed at C. Klinkenberg etc.
API Grade Steel on a Thin Slab Plant”(Materials Science Forum,
500th to 501 volume in 2005, page 253 to 260) in；And at S. V.
Article " the Process modeling of microalloyed steel near net shane of Subramanian etc.
casting”(Proc. Of the Int. Conf. On Thermomechanical Processing)；By E. J. Palmiere etc. write " Mechanics,
Microstructure " the corresponding disclosure of (The University of Sheffield, Sheffield, 2003, page 148 to 156) middle discovery.
A kind of such equipment is disclosed in file EP 0 721 813 A1.File EP 2 258 491 A1, file WO 2007/073841
A1 and file DE 10 2,008 029 581 A1 discloses similar solution.
CSP (production of close-coupled band) equipment is such casting rolling equipment, the operation being used for manufacturing steel band worked two discretely wherein closely interconnects, and the steel of liquid is i.e. cast as in Casting Equipment sheet billet and in rolling equipment, sheet billet is rolled into steel band.Here, typically directly in the case of making full use of foundryman's fever or by regulating desired rolling temperature by means of the heater between Casting Equipment and rolling unit or balance stove, it is achieved the rolling of the blank (Strang) before poured into a mould.
Traditional rolling unit of heavy slab equipment has at least one pony roughing mill or slab frame (Grobblechger ü st) and is arranged in the mm finishing mill unit (Fertigstrasse) after this pony roughing mill or slab frame with some spacing.Generally reversibly sheet billet is rolled into the Intermediate Gray (Zwischenband) with the thickness determined before in pony roughing mill or slab frame, and in series operation, in mm finishing mill unit, realize this rolling, this mm finishing mill unit is configured to continuous rolling unit.Spacing between each frame of such mm finishing mill unit is the most constant and typically about 5.5m, and the spacing between pony roughing mill or slab frame and the first frame of mm finishing mill unit generally exceeds many times, so as to guarantee that the reversible rolling in pony roughing mill or slab frame runs.Thus, between pony roughing mill or slab frame and mm finishing mill unit, the spacing of about 50m or bigger is much.
Heavy slab-discharge roller-way (Austragerollgang), pony roughing mill or slab frame and the layout generally alignd of mm finishing mill unit due to slab stove, traditional rolling unit has big length and needs the higher frame of power, and thus cost of investment is high.Rolling unit traditional in terms of energy is not so good as CSP equipment.Especially when manufacturing strip, the input temp in mm finishing mill unit is the lowest, and this makes strip rolling difficulty.Owing to necessary temperature controls, traditional hot-rolled strip unit manufactures tubular plate (R hrenblech) and expends the most very much the time and reduce the yield of traditional hot-rolled strip unit.
Summary of the invention
Therefore, it is an object of the invention to provide a kind of rolling unit starting illustrated type, at least can reduce shortcoming stated above by means of it.According in meaning of the present invention, this purpose utilizes the rolling unit including the feature described in claim 1 to realize.Define the favourable design form of the present invention in the dependent claims.
Rolling unit, especially CSP equipment according to the present invention are preferably made up of the compact rolling unit for manufacturing metal tape, particularly tube steel and/or strip, wherein between two finishing stand Fi and Fi+1 followed one another can by means of nonstorage calorifier, especially sense heating part (Induktionsheizung) and affect temperature.Here, in addition to nonstorage calorifier, correcting unit (Richtaggregat), preferably gaugger (Rollenrichtmaschine) can be provided with between two frames Fi followed one another and Fi+1.Additionally, cutter (Schere) and/or mill scale washer (Zunderwaescher) or other band chiller alternatively can be disposed with between frame Fi and Fi+1.All devices are positioned so that in its frame spacing being fitted between 5 and 25m compactly.Additionally, frame Fi was provided preferably with for affecting the band arching (Bandwoelbung) at headed and/or the adjustment element of sliding (Ski) before nonstorage calorifier.
Together with correcting unit, preferably gaugger and/or cutter and adjustment element stated above, thus can be guaranteed reliably through nonstorage calorifier, especially sense heating part by size with minimum in a thickness direction in limited structure space.Being limited by method, nonstorage calorifier, cutter and/or mill scale washer can use according to product to be rolled or laterally rolled away from from roll line or be the most alternatively disposed with or without insulation part (Waermedaemmung) or the roller-way of workbench.For strip rolling also cutter can be arranged between frame, in order to head and/or apply at afterbody and be responsible for deformation band at the most straight head and afterbody.
Due to the additional device between frame, the normal frame spacing of such as >=5.5m increases.Being formed to get rid of possible additional secondary mill scale, be preferably provided with the mill scale washer of single file, it is implemented compactly and is preferably arranged in before frame Fi+1 after nonstorage calorifier.When rolling is with the band of higher surface requirements (such as in strip rolls), the mill scale washer before frame Fi+1 can be activated.When manufacturing pipe, activate mill scale washer and be optionally able to be deactivated or roll away from from roll line.
In order to save structure space, looper (Looper) can be cancelled alternatively, replace it can be provided with the minimum tension regulation portion with or without tonometry roller (Zugmessrolle).
With traditional with compared with the rolling unit of the sensing heating part between roughing with mm finishing mill unit, by the application according to the present invention of the rolling unit rolling unit, preferably CSP equipment with corresponding extra cell, significantly reduce the structure space of rolling unit generally.Apply within mm finishing mill unit and optionally can sail the extra cell in roll line into and not only tissue in terms of guide for method but also in rolled products can adjust (Gefuegeseinstellung) aspect and advantageously support the operation of rolling generally speaking.According in meaning of the present invention, these extra cells little Structure of need space and being arranged between two finishing stands (its spacing is 5-25m).In other words, the space requirement between two frames with extra cell is more much smaller than the Intermediate Gray length rolled there.
Preferably in the casting device of CSP equipment, produced sheet billet preferably has≤the thickness of 120mm.Thus providing a kind of CSP equipment, it is not in the case of applying reversible pony roughing mill and the most only can reliably manufacture desired from the tubular product scope taking sheet billet in the case of using a large amount of finishing stands as rolling unit.
As example and preferred form of implementation, method and the manufacture of tubular band in CSP equipment can be described.It is uniform to produce that TM method (thermomechanical method) in CSP equipment generally includes the one or many deformation in the temperature range of recrystallization of the original structure of austenite, the step of thin recrystallization austenite structure and ensuing recrystallization, the tissue one or many deformation of austenite is to produce what extended in level land as far as possible, (versetzungsreich) that dislocation is sufficient, the step of the austenite structure (so-called pancake tissue (Pan-Cake-Gefuege)) of non-recrystallization.These steps are also referred to as the modulation of austenite.
Finally, the cooling of austenite structure of first step modulation it is achieved with in a further step to produce sappy structure in the hot-rolled strip completed or hot rolled plate when phase transformation.The hot-rolled strip completed or the tissue of hot rolled plate are so made up of ferrite, pearlite, the combination of bainite and martensite, and wherein, the content of these four component of organization accordingly can be between 0% and 100%.
Preceding description according to TM method, it is possible to cancel the aforementioned step of deformation in the non-recrystallization temperature scope of austenite.In this case, the modulation of austenite is carried out completely in the recrystallization temperature scope of austenite.
But, the difficulty of thermomechanical hot rolling is, in order to produce in the scope of recrystallization equably, the austenite crystal of thin ground recrystallization, it is necessary to apply the biggest deformation.The tissue signature of thin ground recrystallization is, the most previous, uneven cast sturcture and also each coarse grain or tissue regions are converted to uniform, the tissue of thin ground recrystallization with the little distribution (Streuung) around average grain size completely.These conditions the most not by or be not exclusively satisfied and cause the austenite structure modulated deficiently.
If immediately there being the step in the temperature range of the non-recrystallization of austenite in the temperature range of the recrystallization of austenite after the step of hot rolling, then the residual deformation of the ensuing deformation being seldom preserved in thermo-mechanical processi when the large percentage of thickness and the slab of the hot-rolled strip completed or hot rolled plate or the thickness of Intermediate Gray.Even if it is the most also not enough to the remnants being likely present of cast structure and each coarse grain or tissue regions are changed into uniform, the flat pancake tissue being made up of the austenite crystal of non-recrystallization when each frame turns off.There is also the austenite modulated deficiently in this case.
But in the hot-rolled strip completed or hot rolled plate, the austenite modulated deficiently causes at each the bigger crystal grain outside the normal distribution of average grain size in disadvantageous mode and/or causes its minor structure to crystallize, with low-angle, the tissue regions that boundary (Kleinwinkelkorngrenze) is characterized.But, band or the worse mechanical performance of plate that such tissue regions has caused, especially cause toughness to reduce.
Corresponding to the explanation be given before TM method, the deformation in the recrystallization region of austenite has decisive significance for the performance of the steel band completed or steel plate.Although the degree of deformation part needed in the first step of thermo-mechanical processi can be replaced by the entrance temperature improved, but this probability by maximum furnace temperature and is subject to the cooling when rolling contact and is limited by the heat radiation (when multiple frames participate in this step) between frame.
A kind of CSP equipment is preferred, wherein between at least two frame Fi and the Fi+1 of rolling unit, be especially disposed with heater between the first frame F1 and the second frame F2.When needed, this heater may be designed as to roll away from and can sailing into wherein again from rolling unit.It is particularly preferred that implement a kind of induction heating apparatus particular with one to four inductor component.Generally speaking, the form of compact structure as far as possible with high power density is pursued for such heater.Measuring at actual that be introduced in band or sensed in band power density, this power density is preferably in the scope of at least 1,500 million wattage per square meter, preferably at about 4,000,000,000 wattage per square meter.Here, such structural detail is referred to as inductor component, by it, power is introduced in band.Therefore one or more inductor components can form sensing heating part.
At equipment side, rolling equipment preferably is used as continuous rolling unit, within, when high temperature and utilize if desired the support of the heater between finishing stand be used in above deforming step illustrated in an embodiment and rolling when applying at low temperature in optional cooling.Here, do not use pony roughing mill or slab frame (as common in heavy slab equipment).
Preferably, deforming step is linked, say, that the frame of all participations engages after sheet billet or Intermediate Gray enter simultaneously.Here, make rolling machine frame travel in series operation, therefore with sheet billet or Intermediate Gray also cross the method for operation of all rolling machine frames.But here, each frame also can be sailed open and is correspondingly not involved in deformation operation.
A method can be used in for no reason running, the blank cast wherein need not be divided into slab by cross member, but continuously, preferably by car tunnel furnace be fed to hot-rolling mill and by finish rolling, cooling and be the most just cut laterally this hot-rolled strip and following rolled-up rolling.This method of operation reduces waste product yield, because not producing head and the tail end of band.Additionally, also thinner tape thickness can be manufactured, preferably with the thickness of ＜ 1 millimeter, because the risk raising (Hochgehen) (curving (Cobbles)) when thinner band enters in the last frame of hot-rolling mill is restricted to operation and starts (Anfahren).In rolling for no reason, the speed of drawing in of the first active frame is reduced in casting speed, and this may result in the temperature loss improved before hot rolling and/or during it.Therefore, rolling is needed to the heating of higher rolling temperature and therefore band, with avoid ferrite mutually in and/or rolling final temperature (Walzendtemperatur) in two phase regions (austenite adds ferrite).
Such method and the device that illustrated allow also to manufacture austenite-phase region that band is reduced, in principle such as with the steel grade of silicone content of ＞ 1.0%.Higher rolling temperature is so needed in order to roll, reliably to avoid the rolling final temperature in ferrite phase and/or two-phase section (austenite adds ferrite) at this.Easily can manufacture such steel quality on the CSP equipment according to the present invention.
Manufacturing band or during strip, as already explained above as, sensing heating part is advantageously mounted inside between the frame of front portion or at least sails in the region between fore frame.Preferably, mm finishing mill unit first and second and/or second and the 3rd insert sensing heating part between frame.
But, sensing heating part is characterised by smaller by size (Durchgangsmass) and be sensitive component.Usually occurring so-called sliding or other band arching or injustice especially at head during rolling in mm finishing mill unit, especially in the first frame, it hinders tubular band or strip reliably through the sensing heating part between two finishing stands or other unit (cutter, mill scale washer).Additionally, above mentioned sliding phenomenon up or down can seriously hinder the Intermediate Gray of roughing to penetrate in ensuing frame.In the case of least favorable, Intermediate Gray damages the unit between two finishing stands.
Such as can realize minimizing or eliminating of sliding by means of suitable hold-down roller (Niederhalterrolle) or by means of detorsion driver (Biegerichttreiber).But, if cut away the Intermediate Gray head of roughing within according to the equipment of the present invention by means of suitable shear, it is extremely preferred.Alternatively, when to manufacture thin finish rolling band in batch runs, such cutter is utilized also can to prune the Intermediate Gray of roughing at head and afterbody.
In another preferred form of implementation of the equipment according to the present invention, according to the carrying material rolled in the rolling direction can Intermediate Gray heat after, if desired be disposed with after band is by heater debris removal portion (Entzunderung) and Intermediate Gray entrance one or more other finishing stands in before be disposed with rearmounted live-roller pair.Thereby guarantee that, can the most free of contamination strip of finish rolling system or tubular band, and mill scale do not damage band or strip surface.
In order to ensure Intermediate Gray reliably through device between two finishing stands, being preferably set up adjustment element row likely according to the present invention, it can individually or the application of combination in any ground:
As the measure being certainly at rolling machine frame, proposition basis such as enters thickness, thickness reduction, top working roll and the material of bottom working roll or temperature and different-diameter is installed Dual Drive (Twin-Drive) at topping roll and bottom roll and is adjusted differently than roll rotational speed.
For the Temperature Distribution of influence of rolled product in a thickness direction, before rolling machine frame Fi, the adjustment of slab or band cooling can be implemented so that and produces Temperature Distribution symmetrical on the thickness of rolled piece as far as possible or affect sliding from there through the regulation of temperature targetedly (Temperaturvertrimmung).Alternatively, regulate in order to this purpose was also possible to before the frame with heater the board briquette carried out at the upper side and lower side.
In addition it is arranged in before finishing stand Fi and performs bench height and adjust, thus ensure slab or the band in-position to the restriction in roll gap (such as, rolled piece center=roll gap center).
Equally, the available device that is particularly simple and that can grasp of installing of correcting unit prevents the most straight band trend (sliding, arching, bending).In addition to gaugger, can also be hold-down roller, pressure strip, compression bar (Niederhalterstrebe), detorsion driver, headed-rectification passage (Richtkanal) or headed-pressurizing unit with this device being used for revising or avoiding sliding or band arching of the form of correcting unit.
As have already mentioned above, sliding can be excised from rolled piece by means of cutter.
Finally, the appearance of the unevenness in Intermediate Gray the most especially can be detected before entering heater by means of suitable surface-pitch sensors.Suitably sensor for professional be known machinery, optics or other sensor.According to the alarm signal in the control portion being connected with sensor, can introduce suitably for eliminating or reducing the measure of the most straight band trend detected or make again Intermediate Gray or slab return.
Additionally, be possible not only in the way of stated above the infringement protecting heater to bend from band；And can by apply suitable air-blast device (its be the most particularly advantageously arranged in according between the rolling machine frame of the mm finishing mill unit of the present invention or can sail in this place) avoid particularly by be retained in band or strip on cooling water caused by sensing heating part damage.
Extra cell mentioned above and for overcoming the measure of sliding preferably can be used for different application examples in CSP mm finishing mill unit.But also contemplate for or be arranged to apply between the finishing stand of traditional rolling unit.
Sensing heating part and extra cell can be fixedly arranged or be laterally moved into or remove roll line.As the replacement of the unit to removal, heat shield can be set there.
Accompanying drawing explanation
The present invention is elaborated referring next to some accompanying drawings (shown therein is multiple embodiments of the CSP equipment according to the present invention).Wherein:
Fig. 1 shows the first embodiment of the present invention, is disposed with sensing heating part and live-roller pair wherein between two frames of the hot-rolled strip unit schematically shown,
Fig. 2 shows the second embodiment of the present invention, and it is with the device for revising/avoid the sliding at Intermediate Gray head before being arranged in heater in the rolling direction,
Fig. 3 shows the 3rd embodiment of the hot-rolling mill according to the present invention, it is with the heater between the device being arranged in for revising/avoid the sliding at Intermediate Gray head and mill scale washer after which, all of which is arranged between two rolling machine frames of hot-rolling mill
Fig. 4 shows the 4th embodiment of the hot-rolling mill according to the present invention, its with the cutter of arranged in succession in the rolling direction, quick heating part, live-roller to and scaper, and
Fig. 5 shows the 5th embodiment of the hot-rolling mill according to the present invention.
Detailed description of the invention
Fig. 1 shows a part for the hot-rolling mill 2 in the first form of implementation according to the present invention, and metal tape 1 stretches by the first rolling machine frame being designated as shown by Fi and is designated as the second rolling machine frame shown by Fi+1 wherein.Spacing between frame Fi to Fi+1 is corresponding between 5 and 25m.During band 1 is directly entered in sensing heating part 8 after from finishing stand Fi out and next entrance live-roller is to 12.The water that belt tension (before also in the frame that headed arrives subsequently) is applied on band 1 and is retained in addition on band 1 can be extruded gently 12 by this live-roller.Minimum tension regulation portion is may be configured with between frame Fi and Fi+1.Here, live-roller helps to adjust the accurate setting speed (Setzgeschwindigkeit) at frame Fi+1 to 12.Alternatively, between frame, it is disposed with tonometry roller or looper (not shown), to ensure quality stream (Massenfluss).Finally, for an application example, being disposed with cooling section 11 in rolling direction W after rolling machine frame Fi+1, before utilizing it will to be heated in the temperature on recrystallization temperature in heater 8, the band 1 of the application example of heating is cooled in the temperature range in the scope of non-recrystallization.The two device 8 and 12 also can be arranged in turn.Before and after also contemplating for 12, live-roller is arranged in heater 18.
Fig. 2 shows another form of implementation of the hot-rolling mill 2 according to the present invention, only illustrates finishing stand Fi therein and finishing stand Fi+1.The heater 8 for heating quick heating metal strip 1 by means of sensing it is disposed with again between rolling machine frame Fi, Fi+1.Rolling direction W is disposed with between finishing stand Fi and heater 8 device 14 for correcting/avoid the sliding at the Intermediate Gray leaving finishing stand Fi.Such device 14 for correcting/avoid sliding up or down can be such as detorsion driver or hold-down roller.Such device 14 should revise the phenomenon (so-called upwards sliding) lifted in such as headed after rolling machine frame is out, say, that considered acceptable minima is eliminated or at least reduced.This is mainly used in being avoided owing to Intermediate Gray head inaccurately or unsuccessful penetrates the downtime caused in rearmounted unit (such as nonstorage calorifier 8), other unit (cutter, mill scale washer) or any other rolling machine frame Fi+1.In order to avoid sliding phenomenon, hot-rolling mill 2 has the driver of the working roll Fib of the working roll Fia to top that is that separate and that do not interconnect and bottom with at least one rolling machine frame, the preferably first rolling machine frame Fi according to the present invention.Thus, when controlling driver suitably, in rolling, upwards sliding or the most downward sliding phenomenon can be restricted to minima.
Fig. 3 shows the 3rd form of implementation of the hot-rolling mill 2 according to the present invention, between the first rolling machine frame Fi illustrated and the second rolling machine frame Fi+1 illustrated, it is disposed with the device 14 for revising the sliding at Intermediate Gray head wherein, is followed by nonstorage calorifier 8.Between nonstorage calorifier 8 and rolling machine frame Fi+1, it is disposed with again mill scale washer 15, can reliably remove again the mill scale sticking on the surface of band 1 via it before band 1 enters in rolling machine frame Fi+1.Alternatively, this form of implementation of the present invention additionally have (unshowned) live-roller to and/or (unshowned) cooling end.
Fig. 4 shows the 4th form of implementation of the hot-rolling mill 2 according to the present invention, is disposed with cutter 13, nonstorage calorifier 8, live-roller wherein to 12 and mill scale washer 15 between the first rolling machine frame Fi illustrated and the second rolling machine frame Fi+1 illustrated in rolling direction W of band 1.12 and mill scale washer 15 are worked in the way of identical with in the form of implementation according to Fig. 2 to 4 by nonstorage calorifier 8, live-roller, and cutter 13 is mainly used in cutting headed and band afterbody if desired, may occur in which rolling tongue (Walzzunge) or bending (so-called sliding) at which.Therefore, cutter 13 1 aspect substitutes (being not shown here) shown in foregoing embodiments and is used for correcting/avoiding the device of sliding, and cutter 13 advantageously supports the other operation of rolling by cutting tongue (it can have adverse effect to the working roll of the traveling of band 1 and ensuing frame in the ensuing operation of rolling) in addition.
Show the 5th form of implementation of hot-rolling mill 2 according to the present invention in Figure 5, in rolling direction W of band 1, be disposed with finishing stand Fi wherein, for correcting/avoid the device 14 of upwards sliding, cutter 13 and quick heating part 8.After from quick heating part out, metal tape 1 enters live-roller in 12, is extruded the residual water being positioned on band 1 by it.Leave live-roller to 12 after, metal tape 1 enters in mill scale washer 15, reliably removes the remaining mill scale formed on the surface of band 1 wherein before band 1 enters in finishing stand Fi+1.Finally, according to applicable cases, before can cooling down in cooling end 11 again in nonstorage calorifier 8 heated hot-rolled strip 1 and being rolled down on finish rolling tape thickness.
Alternatively, nonstorage calorifier 8 and cutter 13 are observed on band direct of travel and also can be arranged in turn.
If frame spacing should be reduced further, then nonstorage calorifier 8 and mill scale washer 15 are observed on band direct of travel and be may be arranged at identical place and be the most laterally moved in roll line, thus can apply mill scale washer 15 or nonstorage calorifier 8.
Claims (23)
1. the rolling unit being used for manufacturing metal tape, wherein at two rolling machine frame (Fi followed one another, Fi+1) nonstorage calorifier (8) it is disposed with between, it is characterized in that, described nonstorage calorifier (8) arranges described rolling machine frame (Fi in-between, Fi+1) spacing is 5-25m, and in addition to described nonstorage calorifier (8), at least another extra cell that optionally can sail in roll line it is disposed with between described rolling machine frame (Fi, Fi+1).
Rolling unit the most according to claim 1, it is characterised in that described metal tape is for manufacturing pipe and/or the steel band of strip.
Rolling unit the most according to claim 1, it is characterised in that another extra cell described is correcting unit.
Rolling unit the most according to claim 3, it is characterised in that described correcting unit is gaugger (14).
Rolling unit the most according to claim 1, it is characterized in that, the preposition rolling machine frame in described nonstorage calorifier (8) (Fi) and/or the region before and after this rolling machine frame (Fi) are equipped with for affecting the band arching at headed and/or the adjustment element of band sliding.
6. according to the rolling unit according to any one of claim 1-5, it is characterised in that described rolling machine frame (Fi, Fi+1) is the finishing stand of compact continuous rolling unit.
7., according to the rolling unit according to any one of claim 1-5, it is characterised in that relate to the rolling unit in CSP equipment, it manufactures the sheet billet of the thickness with≤120mm.
8. according to the rolling unit according to any one of claim 1-5, it is characterized in that, described nonstorage calorifier is arranged between first and second rolling machine frame (F1, F2) and/or between rolling machine frame (F2, F3) or can sail between them second and the 3rd.
Rolling unit the most according to claim 8, it is characterised in that described nonstorage calorifier is induction heating apparatus.
Rolling unit the most according to claim 9, it is characterised in that described induction heating apparatus is with 1 to 4 inductor component.
11. according to the rolling unit according to any one of claim 1-5, it is characterised in that at least one live-roller is to being arranged between rolling machine frame (Fi) and rolling machine frame (Fi+1) subsequently or can sail between them.
12. according to the rolling unit according to any one of claim 1-5, it is characterized in that, for correcting or avoiding the device of the sliding at Intermediate Gray be arranged between rolling machine frame (Fi) and rolling machine frame (Fi+1) subsequently or can sail between them.
13. rolling units according to claim 12, it is characterised in that before correction or avoiding the device of the sliding at Intermediate Gray to be arranged in described nonstorage calorifier.
14. rolling units according to claim 12, it is characterised in that the described device being used for correcting or avoiding sliding is hold-down roller, pressure strip, compression bar, detorsion driver, headed-rectification passage or headed-pressurizing unit.
15. according to the rolling unit according to any one of claim 1-5, it is characterised in that at least one rolling machine frame (Fi) have to top and the independent driver of working roll (Fia, Fib) of bottom.
16. according to the rolling unit according to any one of claim 1-5, it is characterised in that was disposed with band cooling or heating part before rolling machine frame (Fi), adjusts the Temperature Distribution on thickness of strip to affect sliding and band arching by means of it.
17. according to the rolling unit according to any one of claim 1-5, it is characterised in that rolling machine frame (Fi) has bench height adjustment portion at approaching side, can adjust band in-position by means of it.
18. according to the rolling unit according to any one of claim 1-5, it is characterised in that cutter is arranged between at least two rolling machine frame (Fi, Fi+1) or can sail between them.
19. according to the rolling unit according to any one of claim 1-5, it is characterised in that mill scale washer is arranged between at least two rolling machine frame (Fi, Fi+1) or can sail between them.
20. according to the rolling unit according to any one of claim 1-5, it is characterised in that the Intermediate Gray length being smaller than between described rolling machine frame being rolled between two rolling machine frames followed one another (Fi, Fi+1).
21. according to the rolling unit according to any one of claim 1-5, it is characterised in that heat shield is arranged between at least two rolling machine frame (Fi, Fi+1) or can sail between them.
22. rolling units according to claim 21, it is characterised in that described heat shield is as the replacement to another extra cell first removed.
23. according to the rolling unit according to any one of claim 1-5, it is characterised in that described rolling unit is connected with process model, can control and regulate the different measure for affecting sliding and setting via described process model.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010063279.1 | 2010-12-16 | ||
| DE102010063279A DE102010063279A1 (en) | 2010-12-16 | 2010-12-16 | Rolling mill for tubular steel and thin strip production |
| PCT/EP2011/072815 WO2012080368A1 (en) | 2010-12-16 | 2011-12-14 | Rolling mill for producing steel for tubes and thin strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103249506A CN103249506A (en) | 2013-08-14 |
| CN103249506B true CN103249506B (en) | 2016-10-26 |
Family
ID=45401054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180060650.XA Active CN103249506B (en) | 2010-12-16 | 2011-12-14 | For producing the rolling unit of tube steel and strip |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20130263634A1 (en) |
| EP (1) | EP2651578B2 (en) |
| CN (1) | CN103249506B (en) |
| DE (1) | DE102010063279A1 (en) |
| RU (1) | RU2552802C2 (en) |
| WO (1) | WO2012080368A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6023563B2 (en) * | 2012-11-19 | 2016-11-09 | アイシン精機株式会社 | Roll forming method and roll forming apparatus |
| DE102013219507A1 (en) | 2013-05-03 | 2014-11-06 | Sms Siemag Aktiengesellschaft | Hot Rolling Mill |
| AT514079B1 (en) | 2013-05-21 | 2014-10-15 | Siemens Vai Metals Tech Gmbh | Method and device for rapid removal of heavy plates from a rolling mill |
| JP6222062B2 (en) * | 2014-12-03 | 2017-11-01 | Ｊｆｅスチール株式会社 | Sensor mounting base and induction heating device |
| KR101594717B1 (en) * | 2014-12-24 | 2016-02-17 | 주식회사 포스코 | Rolling method, continuous casting and rolling method and apparatus |
| CN106001122B (en) * | 2016-06-20 | 2018-05-22 | 王远志 | A kind of rolling unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5910185A (en) * | 1995-01-16 | 1999-06-08 | Mannesmann Aktiengesellschaft | Device for the guidance of hot-rolled strip through an inductor |
| CN1446129A (en) * | 2000-08-05 | 2003-10-01 | Sms迪马格股份公司 | Method and installation for producing thin flat products |
| CN1909988A (en) * | 2004-01-21 | 2007-02-07 | 杰富意钢铁株式会社 | Apparatus and method for heat-treating thick steel plate, and manufacturing line of thick steel plate |
| CN101272873A (en) * | 2005-12-16 | 2008-09-24 | Sms迪马格股份公司 | Method and device for producing a metal strip by continuous casting and rolling |
| EP2258491A1 (en) * | 2009-06-04 | 2010-12-08 | Siemens Aktiengesellschaft | Rotation tool for a mill train and method for operating a casting-roller compound assembly |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5133205A (en) † | 1990-11-13 | 1992-07-28 | Mannesmann Aktiengesellschaft | System and process for forming thin flat hot rolled steel strip |
| DE4309986A1 (en) * | 1993-03-29 | 1994-10-06 | Schloemann Siemag Ag | Method and device for rolling a rolled strip |
| JPH11319948A (en) † | 1998-05-06 | 1999-11-24 | Kobe Steel Ltd | Apparatus for straightening intermediate rolled stock |
| TWI288676B (en) * | 2002-07-06 | 2007-10-21 | Sms Demag Ag | Method and casting roller plant for the semi-endless or endless rolling by casting of a metal in particular a steel strip which may be transversely cut as required after solidification |
| DE102006054932A1 (en) * | 2005-12-16 | 2007-09-13 | Sms Demag Ag | Method and device for producing a metal strip by casting rolls |
| CN104866469B (en) * | 2007-04-11 | 2018-10-02 | 谷歌有限责任公司 | Input Method Editor with secondary language mode |
| DE102008029581A1 (en) * | 2007-07-21 | 2009-01-22 | Sms Demag Ag | Method and apparatus for making strips of silicon or multi-phase steel |
| DE102008003222A1 (en) † | 2007-09-13 | 2009-03-19 | Sms Demag Ag | Compact flexible CSP system for continuous, semi-continuous and batch operation |
-
2010
- 2010-12-16 DE DE102010063279A patent/DE102010063279A1/en not_active Withdrawn
-
2011
- 2011-12-14 WO PCT/EP2011/072815 patent/WO2012080368A1/en active Application Filing
- 2011-12-14 CN CN201180060650.XA patent/CN103249506B/en active Active
- 2011-12-14 EP EP11799672.8A patent/EP2651578B2/en active Active
- 2011-12-14 RU RU2013132544/02A patent/RU2552802C2/en active
- 2011-12-14 US US13/993,101 patent/US20130263634A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5910185A (en) * | 1995-01-16 | 1999-06-08 | Mannesmann Aktiengesellschaft | Device for the guidance of hot-rolled strip through an inductor |
| CN1446129A (en) * | 2000-08-05 | 2003-10-01 | Sms迪马格股份公司 | Method and installation for producing thin flat products |
| CN1909988A (en) * | 2004-01-21 | 2007-02-07 | 杰富意钢铁株式会社 | Apparatus and method for heat-treating thick steel plate, and manufacturing line of thick steel plate |
| CN101272873A (en) * | 2005-12-16 | 2008-09-24 | Sms迪马格股份公司 | Method and device for producing a metal strip by continuous casting and rolling |
| EP2258491A1 (en) * | 2009-06-04 | 2010-12-08 | Siemens Aktiengesellschaft | Rotation tool for a mill train and method for operating a casting-roller compound assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012080368A1 (en) | 2012-06-21 |
| RU2013132544A (en) | 2015-01-27 |
| RU2552802C2 (en) | 2015-06-10 |
| EP2651578B1 (en) | 2015-01-28 |
| CN103249506A (en) | 2013-08-14 |
| DE102010063279A1 (en) | 2012-06-21 |
| US20130263634A1 (en) | 2013-10-10 |
| EP2651578A1 (en) | 2013-10-23 |
| EP2651578B2 (en) | 2022-02-16 |
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