CN102245319A - Method for producing strips of metal, and production line for performing the method - Google Patents
Method for producing strips of metal, and production line for performing the method Download PDFInfo
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- CN102245319A CN102245319A CN2009801500242A CN200980150024A CN102245319A CN 102245319 A CN102245319 A CN 102245319A CN 2009801500242 A CN2009801500242 A CN 2009801500242A CN 200980150024 A CN200980150024 A CN 200980150024A CN 102245319 A CN102245319 A CN 102245319A
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- Prior art keywords
- temperature
- pilot tape
- band
- homogenising
- hot rolling
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- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 title claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000005266 casting Methods 0.000 claims description 59
- 238000005098 hot rolling Methods 0.000 claims description 44
- 238000002425 crystallisation Methods 0.000 claims description 10
- 230000008025 crystallization Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims 1
- 238000005520 cutting process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 206010003402 Arthropod sting Diseases 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- B21B1/22—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 plates, strips, bands or sheets of indefinite length
- B21B1/24—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 plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
- B21B1/26—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 plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Rolling (AREA)
- Continuous Casting (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
The invention relates to a method and to a production line for producing hot-rolled strips of metal, wherein the cast strip, as a leader strip, initially runs through a first process for homogenizing the microstructure under shield gas, and the leader strip is then subjected to at least one further heat treatment before it is subsequentially subjected to a rolling process for reducing the thickness. After the thickness reduction, the leader strip runs through a second process for homogenizing and recrystallizing the microstructure thereof, before the leader strip finally travels through a cutting device and is cut off from the following leader strip as a completely rolled hot-rolled strip.
Description
Technical field
The present invention relates to a kind of method that is used for continuously the band made with the metal (especially steel) by casting of discontinuous manufacturing hot rolling, this method has the feature of the preamble of claim 1.In addition, the present invention relates to a kind of production equipment that is used to carry out this method of feature of the preamble according to claim 9.
Background technology
Utilize a kind of known method that is used for the band casting of level to realize, with final size less than the cast liquation of different steel grades (Stahlsort) of the mode of 20mm tape thickness.At this, especially can advantageously make the light section of C, Mn, Al and Si with higher composition.
Therefore, by the known a kind of production method that is used to make the thin flat product of hot rolling of file EP 1 047 510B1.In a kind of band Casting Equipment of level with final size mode in the scope of 5mm to 18mm tape thickness cast molten steel and molten steel reaching the roughing train of single chassis before under protective gas environment controllably cooling thereafter.
The hot rolling band that rolls in advance in the equipment that is arranged in the roughing train back, cool off controllably alternatively, heat or the seamed edge that keeps temperature and hot rolling band by after heat.
Follow the having of roughing train of single chassis: the finishing mill line of multimachine frame, have the runout table of the device that is used for cooling hot-rolled band and be arranged in the front and back be used to reel the coiling machine of hot rolling band.
Rolling temperature before the finishing mill line of multimachine frame can by be arranged in the roughing train back be used for cool off, heat or the equipment that keeps hot rolling band temperature alternatively in austenite region or ferrite zone or on purpose be adjusted by austenite to ferritic transitional region.
In addition, by the known a kind of method that is used to make the hot rolling band of making by light section of file WO 2006/066551A1, its especially can be cold drawn well dark and its have Fe, Mn, Si and Al as essential element.The pilot tape (Vorband) that is produced by the band casting interrelates ground at first by being in the device that is used for homogenising under the protective gas with keeping temperature, cooling or heating alternatively.Then, pilot tape stands to have the course of hot rolling with at least one passage (Stich) of at least 50% total deformation rate.After last passage, the hot rolling band is cooled and reels.According to the ratio of the relative mill speed of casting speed, the course of hot rolling string is (inline) or realization discretely lineally.
Whether the homogenising district should cause in temperature balance on the face of hot rolling band and the stress in the hot rolling band is eliminated, do not rely on temperature levels and be held, improve or reduce.
The operation of rolling whether should go here and there lineally or with the problem that casting process is realized discretely, depend on the different speed of casting when rolling substantially, wherein, the crystallization property again of material also is important.
In casting process, be provided in the zone that provides liquation (Schmelzeaufgabe) the material that is in liquid phase with casting with on the contacting directly of further method step of the material that condenses.The casting band is supplied to reprocessing by transportation route.Further method step can be: straighten, rolling, cutting and reel (batch, coil).By casting equipment these and other part may produce the pulling force fluctuation in the casting band and mass flow fluctuates.If disturbing on the direction of the steel of liquid state, these continue, the negative effect that then can produce the casting interference and casting is with, and for example thickness fluctuation, overflow (Ueberstroemung), seamed edge shrink and detachment (Bandabriss) or stall.
Summary of the invention
The objective of the invention is to improve a kind of method and a kind of band Casting Equipment that has coiler device or stack device that is used on the band Casting Equipment, making the hot rolling band, make the method step of following casting process not have negative effect aspect its quality and its material character for casting band to be made, and the casting band can be divided into after casting process and can transport or storable predetermined size unit steel plate that for example is stacked or coil of strip (coil).
According to the present invention, this purpose realizes by the feature of independent claims 1 and 8.
Correspondingly; feature according to the characteristic of claim 1; pilot tape by band casting manufacturing in order to make the institutional framework homogenising with the temperature that keeps pilot tape alternatively, reduce temperature or improve temperature interrelate by being in the first homogenising district under the protective gas environment, pusher (Treiber), looper machine (Looper), pusher defective (Treiberfehler).Subsequently, pilot tape is by temperature adjustment device, so that keep the temperature of the temperature of pilot tape, the temperature that reduces pilot tape or raising pilot tape alternatively.In further process, the thickness that pilot tape stands in having the course of hot rolling of at least one passage less than 49% reduces (Dickenreduktion von kleiner 49%).Subsequently, pilot tape before it separates as hot rolling band and afterwards pilot tape by the second homogenising district.
In the first homogenising district, argon/CO
2-nitrogen-mixture is used as inert gas.Be implemented in the first homogenising district that temperature in 900-1000 ℃ the scope keeps, 200 ℃ temperature reduces and 250 ℃ temperature improves.
For material can be bent to coil of strip (coil), it must have the suitable institutional framework that allows distortion under the situation that tension and compression occur.
This structure property allows to reach deformation rate until 49% by at least one operation of rolling with passage.
By this deformation process, the crystallization again of material is pushed.In the second homogenising district that is right after, the present hot rolling band that obtains under the temperature of the maintenance of hot rolling band, experiencing the crystallization again that realizes in the edge region at least under the temperature that reduces relatively or under relatively higher temperature.
In being arranged in the second homogenising district of the first rolling-mill housing back, material crystallization and therefore can absorb tension and compression again.This is the especially suitable light section of method of crystallization again, it can have very large condense (Erstarrungsintervall) at interval in addition, that is to say, its structure, and depends on this and has zero strength temperature or zero viscosity temperature until more or less bigger " temperature window " that coagulate (Durcherstarrung) completely thoroughly from the beginning of condensing of liquation.
By after the second homogenising district, the hot rolling band is supplied to separator, is cut off and is wound into coil of strip (coil) with predetermined length in pilot tape in winding apparatus with rolling relatively tape speed or the synchronous operating rate of conveyer belt speed at pilot tape.
Yet the process that is used to cut the hot rolling band also can realize after the hot rolling band has left the second homogenising district that indirectly wherein, the hot rolling band that is cut is directed in the stack equipment and in this form of sentencing plate by suitable conveying arrangement and piles up on length.
In the design of the method according to this invention, casting process separates with the operation of rolling.
The advantage that interrelates therewith is, casting speed can be selected according to the process of the condensation process of liquation on the one hand, and course of hot rolling can be realized until reaching the predetermined deformation rate under the hot rolling band temperature that limits on the other hand.
In the other design of the method according to this invention, the travelling speed of pilot tape influences by means of the mass flow regulon after being used to make first process of institutional framework homogenising.Stop thus, influence casting process and casting band negatively from the interference of the process flow subsequently in the manufacture method, and for example can produce thickness fluctuation, overflow, seamed edge contraction and detachment or stall.
Feature according to claim 9; the production equipment that is used to carry out the method according to this invention is made of known casting machine; be furnished with in casting machine back and be in being used under the protective gas environment and influence the first homogenising district of institutional framework of the pilot tape of casting, the temperature of pilot tape is held alternatively, reduces or improves therein.
Be furnished with the temperature that is used for keeping alternatively pilot tape in back, the first homogenising district, be used to reduce temperature or be used to improve first temperature adjustment device of temperature.On the transporting direction of pilot tape, observe, under the mass flow control appliance is arranged in situation between first and second pilot tape delivery element, be furnished with second temperature adjustment device in the first temperature adjustment device back, casting therein is with and is brought on the suitable rolling temperature, that is to say that passing through maintenance alternatively casts the temperature of band, passes through the reduction temperature or pass through the raising temperature.
Be furnished with first rolling-mill housing in the second temperature adjustment device back, the thickness that the pilot tape that utilizes at least one passage to have suitable temperature therein stands less than 49% reduces.In being arranged in the second homogenising district of the first rolling-mill housing back, pilot tape especially stands crystallization again as the hot rolling band now in the fringe region of hot rolling band in 700-900 ℃ temperature, make that material can be in the plastic deformation that absorbs pulling force or pressure under the situation of damaged tissue structure not and occur when reeling or piling up.
At last, be furnished with separator in back, the second homogenising district, it is with the operating rate operation synchronous with the travelling speed of hot rolling band conveying device.In separator, lead to hot rolling band this device and hot rolling system continuously and after cutting, reeled or be stacked as plate.
In other design, be furnished with by dancer roll in the first temperature adjustment device back according to production equipment of the present invention
Or the mass flow regulon that is configured to of coiling bar (Schlingenheber).At this, on the transporting direction of pilot tape, to observe, the mass flow regulon is arranged between the first pilot tape delivery element and the second pilot tape element.
In addition, in design of the present invention, before rolling-mill housing, be furnished with second temperature adjustment device, pilot tape is brought on the suitable rolling temperature therein, pilot tape can stand to have the course of hot rolling of at least one passage thus, makes pilot tape have 49% deformation rate less than total deformation as the hot rolling band then.
At last, be furnished with coiler device or stack device in the separator back in design of the present invention, the hot rolling band is wound into coil of strip (coil) or stores as single plate therein.
Description of drawings
From the ensuing description of embodiment illustrated in the accompanying drawings, draw additional features of the present invention and advantage.Wherein:
Fig. 1 has schematically shown the production equipment that has coiler device or stack device that is used to carry out according to the method for the band casting that is used for final size according to the present invention.
The specific embodiment
Unique Fig. 1 has shown the production equipment that is used to carry out the method according to this invention according to of the present invention with indicative icon.Production equipment has casting machine 1 with the band Casting Equipment form of level in order to carry out casting method or casting process, it comprise have two guide rollers 3,3 ' with around the conveying device of conveyer belt 2 forms.In addition, casting machine 1 is provided with lateral seal part 4, and the liquation 5 that its prevention provides can flow downward in the right side and the left side of conveying device 2.Liquation 5 is transported to opening 7 in the bottom that casting machine 1 place and flowing through is configured in bucket 6 to injecting container 8 by means of bucket 6.This injection container 8 is constructed as overflow container.
Not shown further is to be used to strengthen the device of downside of last free section (Obertrum) of ground cooling conveying device 2 and the complete accommodation section (Einhausung) with casting machine 1 of corresponding protection gaseous environment.
Liquation 5 is sent to conveying device 2 around conveyer belt on after because the cooling of strengthening is created in saturating to a great extent the condensing and form at the casting band at the place, end of conveying device 2 or pilot tape 9 of coagulating.
For temperature balance and stress elimination, the first homogenising district 10 is connected to casting machine 1 place.The first homogenising district 10 comprises adiabatic accommodation section 11 and roller-way.This first homogenising district can be used to keep alternatively, the further cooling or the temperature of slightly heated casting band or pilot tape 9 alternatively.Especially be arranged to, casting band or pilot tape 9 are by argon-CO in this first homogenising district 10
2Under the protective gas environment that-nitrogen-mixture constitutes as inert gas alternatively by maintain the temperature at about 900-1000 ℃, by reducing about 200 ℃ or alternatively be exposed to first process that is used to make even tissueization for about 250 ℃ of temperature by improving temperature.
Subsequently, casting band or pilot tape 9 by first temperature adjustment device 12 and then by means of the first pilot tape delivery element 14 and the second pilot tape delivery element 14 ' by be arranged between the first pilot tape delivery element 14 and the second pilot tape delivery element 14 ' by dancer roll or coil the mass flow regulon 13 that bar is configured to and be supplied to second temperature adjustment device 15.In first rolling-mill housing 16 subsequently, carrying out then at casting band or pilot tape 9 stand course of hot rolling under the situation of at least one passage before, casting band or pilot tape 9 are brought on the rolling temperature in this second temperature adjustment device 15, have 49% deformation rate less than total deformation up to casting band or pilot tape 9.In this second temperature adjustment device 15, casting band or pilot tape 9 are maintained on about 880-940 ℃ the temperature alternatively, reduce about 50 ℃ temperature or alternatively improve about 50 ℃ temperature.By after first rolling-mill housing 16, cast band or pilot tape 9 and and then be supplied to the second homogenising district 17, casting band or pilot tape 9 stand to be used to make institutional framework homogenising second process of crystallization especially more therein.This takes place thus, that is, the temperature of casting band or pilot tape 9 remains on about 700-900 ℃ the temperature in the second homogenising district 17 alternatively, temperature reduces about 100 ℃ or temperature and improves about 50 ℃.Be right after the second homogenising district 17, casting band or pilot tape 9 then through with travelling speed or tape speed synchronous with the separator 18 of scissors form and thereafter as finishing rolling and being supplied to coiler device 19 or stack device 20 with casting is with or pilot tape 9 separates hot rolling band.
Claims (14)
- One kind be used for continuously or discontinuous manufacturing hot rolling system by the metal of the casting especially method of the band made of steel; Zhu Zao described band stands at least heat treatment process as pilot tape and is reeled as the hot rolling band subsequently or pile up in view of the above; it is characterized in that; the pilot tape that obtains after described casting process is by maintaining the temperature at about 900-1000 ℃ alternatively; by reduce described temperature about 200 ℃ or by improve described temperature about 250 ℃ be used to make first process of even tissueization be exposed to the environment that is under the protective gas with interrelating; described pilot tape after the described first homogenising process by keeping described temperature alternatively at 880-940 ℃; by reducing about 50 ℃ or stand at least one other heat treatment for about 50 ℃ of described temperature by improving described temperature; described pilot tape stands to have at least one passage in further process course of hot rolling; wherein; the thickness that described pilot tape stands less than 49% reduces; described pilot tape is then by keeping described temperature at approximately 700-900 ℃ alternatively; by reducing about 100 ℃ or by improving about 50 ℃ of second processes that stand to be used for homogenising or be used for the described institutional framework of crystallization again of described temperature of described temperature, and described pilot tape is subsequently through separating with described pilot tape with the synchronous separation equipment of travelling speed or tape speed and as rolling hot rolling band.
- 2. method according to claim 1 is characterized in that, described casting process separates with the described operation of rolling.
- 3. according to each the described method in the aforementioned claim, it is characterized in that the travelling speed of described pilot tape influences by means of the mass flow regulon.
- 4. according to the described method of claim 1 to 3, it is characterized in that, described pilot tape before described hot rolling system by keep alternatively described temperature approximately 880-940 ℃, by reducing about 50 ℃ or stand second heat treatment for about 50 ℃ of described temperature by improving described temperature.
- 5. according to the described method of claim 1 to 4, it is characterized in that, described pilot tape after described second heat treatment by hot rolling system.
- 6. according to the described method of claim 1 to 5, it is characterized in that, described pilot tape after described hot rolling system, by keep alternatively described temperature approximately 700-900 ℃, by reducing about 100 ℃ or be exposed to and be particularly useful for making described pilot tape second homogenising process of crystallization again in described fringe region for about 50 ℃ of described temperature by improving described temperature.
- 7. according to the described method of claim 1 to 6, it is characterized in that, described pilot tape after the described second homogenising process as the hot rolling band through the separator synchronous with the travelling speed of described pilot tape, and described pilot tape is reeled subsequently as the hot rolling band or is piled up.
- 8. or production equipment of multinomial described method that is used for carrying out according to claim 1 to 7, it has: at least one is used to make the casting band of predetermined thickness or the casting machine (1) of pilot tape (9); At least one is used to transport the conveying device (2) of described casting band; At least one homogenising district (10) keeps, reduces for the institutional framework that influences described casting band or pilot tape therein or improves described temperature; The humidity province that at least one is other, described therein temperature is held, is lowered or is enhanced; At least one is used to reach first rolling-mill housing (16) of the part distortion of described pilot tape (9); At least one separator (18) and at least one coiler device or stack device (19,20),It is characterized in that; be furnished with the first homogenising district (10) that is under the protective gas environment in described casting machine (1) back; described therein temperature is held alternatively; reduce or improve; be furnished with in back, the described first homogenising district (10) and be used for keeping alternatively described temperature; be used to the temperature adjustment device (15) that reduces described temperature or be used to improve described temperature; be furnished with first rolling-mill housing (16) in described temperature adjustment device (15) back; the thickness that utilizes the described pilot tape of at least one passage to stand less than 49% therein reduces; be furnished with the second homogenising district (17) in described rolling-mill housing (16) back; described therein temperature is held alternatively; reduce or improve; so that in described fringe region, obtain the crystallization again of described hot rolling band at least; and be furnished with separator (18) in back, the described second homogenising district (17); the speed of its operating rate and described conveying device (2) is synchronous, and separates with described pilot tape as the hot rolling band at pre-rolling pilot tape (9) described in the described separator (18).
- 9. production equipment according to claim 8 is characterized in that, described casting process separates with the described operation of rolling.
- 10. according to Claim 8 or 9 described production equipments, it is characterized in that, be furnished with the mass flow regulon (13) that is configured to by dancer roll or coiling bar in back, the described first homogenising district (10).
- 11. the described production equipment of each according to Claim 8-10, it is characterized in that, mass flow regulon (13) is observed on the transporting direction of described pilot tape (9), is arranged between the first pilot tape delivery element (14) and the second pilot tape delivery element (14 ').
- 12. the described production equipment of each according to Claim 8-11, it is characterized in that, on the transporting direction of described band, be furnished with first temperature adjustment device (12) and mass flow regulon (13) in back, the first homogenising district (10), wherein, described mass flow regulon is prepended to described second temperature adjustment device (15).
- 13. production equipment according to claim 12, it is characterized in that, be furnished with delivery element (14,14 ') between described first temperature adjustment device (12) and the described mass flow regulon (13) and/or between described mass flow regulon (13) and described second temperature adjustment device (15).
- 14. the described production equipment of each according to Claim 8-13 is characterized in that, is furnished with coiler device (19) or stack device (20) in described separator (18) back.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008061206A DE102008061206A1 (en) | 2008-01-15 | 2008-12-09 | Method for continuous or discontinuous production of hot-rolled strips made of steel, comprises subjecting a cast strip as a pre-strip to a first thermal treatment process, and subsequently winding and stacking as a hot strip |
| DE102008061206.5 | 2008-12-09 | ||
| DE102009032358.9 | 2009-07-08 | ||
| DE102009032358A DE102009032358A1 (en) | 2008-12-09 | 2009-07-08 | Method for continuous or discontinuous production of hot rolled strips from steel, comprises subjecting a cast strip as pre-band to a heat treatment process and subsequently rolling up or stacking as hot-rolled strip |
| PCT/EP2009/008795 WO2010066412A1 (en) | 2008-12-09 | 2009-12-09 | Method for producing strips of metal, and production line for performing the method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102245319A true CN102245319A (en) | 2011-11-16 |
| CN102245319B CN102245319B (en) | 2014-11-26 |
Family
ID=42242366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980150024.2A Expired - Fee Related CN102245319B (en) | 2008-12-09 | 2009-12-09 | Method for producing strips of metal, and production line for performing the method |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US20120024434A1 (en) |
| EP (1) | EP2376240B1 (en) |
| JP (1) | JP5425218B2 (en) |
| KR (1) | KR101332196B1 (en) |
| CN (1) | CN102245319B (en) |
| AR (1) | AR080265A1 (en) |
| AU (1) | AU2009326518A1 (en) |
| CA (1) | CA2745044C (en) |
| MX (1) | MX2011005636A (en) |
| RU (1) | RU2481903C2 (en) |
| TW (1) | TWI421138B (en) |
| WO (1) | WO2010066412A1 (en) |
| ZA (1) | ZA201103297B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105473247A (en) * | 2013-07-30 | 2016-04-06 | Sms集团有限公司 | Casting and rolling plant and method for producing slabs |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015216512A1 (en) * | 2015-08-28 | 2017-03-02 | Sms Group Gmbh | Plant according to the CSP concept and method for operating such a plant |
| WO2018080707A1 (en) * | 2016-10-27 | 2018-05-03 | Novelis Inc. | Metal casting and rolling line |
| JP7069141B2 (en) | 2016-10-27 | 2022-05-17 | ノベリス・インコーポレイテッド | High-strength 7xxx series aluminum alloy and its manufacturing method |
| RU2019112640A (en) | 2016-10-27 | 2020-11-27 | Новелис Инк. | HIGH-STRENGTH 6XXX ALUMINUM ALLOYS AND METHODS FOR THEIR PRODUCTION |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61296901A (en) * | 1985-06-25 | 1986-12-27 | Kawasaki Steel Corp | Continuous rolling installation for steel wire |
| DE58902433D1 (en) * | 1988-06-30 | 1992-11-12 | Sundwiger Eisen Maschinen | METHOD AND SYSTEM FOR PRODUCING A METAL STRIP WITH A THICKNESS UP TO 10 MM. |
| NL1000694C2 (en) * | 1995-06-29 | 1997-01-08 | Hoogovens Staal Bv | Method and device for manufacturing a deformable steel strip. |
| CA2275873C (en) * | 1996-12-19 | 2005-02-08 | Hoogovens Staal B.V. | Process and device for producing a steel strip or sheet |
| GB2322320A (en) * | 1997-02-21 | 1998-08-26 | Kvaerner Metals Cont Casting | Continuous casting with rolling stages separated by a temperature controlling stage |
| DE19758108C1 (en) * | 1997-12-17 | 1999-01-14 | Mannesmann Ag | Method and installation for continuous production of hot rolled thin flat products |
| US6159312A (en) * | 1997-12-19 | 2000-12-12 | Exxonmobil Upstream Research Company | Ultra-high strength triple phase steels with excellent cryogenic temperature toughness |
| DE10206243A1 (en) * | 2002-02-15 | 2003-08-28 | Sms Demag Ag | Process for the continuous rolling of a metal strand, in particular a steel strand, which is dimensioned as a thin slab and has a casting speed, and associated continuous casting machine |
| DE102005052774A1 (en) | 2004-12-21 | 2006-06-29 | Salzgitter Flachstahl Gmbh | Method of producing hot strips of lightweight steel |
| DE102007005015A1 (en) * | 2006-06-26 | 2008-01-03 | Sms Demag Ag | Process and plant for the production of hot rolled strip of silicon steel based on thin slabs |
| DE102007056192A1 (en) * | 2007-11-21 | 2009-05-28 | Sms Demag Ag | Method and device for producing a strip of metal |
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2009
- 2009-12-09 MX MX2011005636A patent/MX2011005636A/en active IP Right Grant
- 2009-12-09 CA CA2745044A patent/CA2745044C/en not_active Expired - Fee Related
- 2009-12-09 RU RU2011128420/02A patent/RU2481903C2/en not_active IP Right Cessation
- 2009-12-09 TW TW098142013A patent/TWI421138B/en not_active IP Right Cessation
- 2009-12-09 US US13/127,855 patent/US20120024434A1/en not_active Abandoned
- 2009-12-09 WO PCT/EP2009/008795 patent/WO2010066412A1/en active Application Filing
- 2009-12-09 AU AU2009326518A patent/AU2009326518A1/en not_active Abandoned
- 2009-12-09 CN CN200980150024.2A patent/CN102245319B/en not_active Expired - Fee Related
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- 2009-12-09 AR ARP090104772A patent/AR080265A1/en not_active Application Discontinuation
- 2009-12-09 JP JP2011538905A patent/JP5425218B2/en not_active Expired - Fee Related
- 2009-12-09 KR KR1020117013246A patent/KR101332196B1/en active IP Right Grant
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- 2011-05-06 ZA ZA2011/03297A patent/ZA201103297B/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105473247A (en) * | 2013-07-30 | 2016-04-06 | Sms集团有限公司 | Casting and rolling plant and method for producing slabs |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101332196B1 (en) | 2013-11-25 |
| CA2745044C (en) | 2015-06-30 |
| KR20110083734A (en) | 2011-07-20 |
| US20120024434A1 (en) | 2012-02-02 |
| AR080265A1 (en) | 2012-03-28 |
| ZA201103297B (en) | 2011-12-28 |
| RU2011128420A (en) | 2013-01-20 |
| EP2376240A1 (en) | 2011-10-19 |
| JP5425218B2 (en) | 2014-02-26 |
| RU2481903C2 (en) | 2013-05-20 |
| EP2376240B1 (en) | 2014-02-12 |
| WO2010066412A1 (en) | 2010-06-17 |
| TWI421138B (en) | 2014-01-01 |
| MX2011005636A (en) | 2011-06-24 |
| TW201029770A (en) | 2010-08-16 |
| CA2745044A1 (en) | 2010-06-17 |
| AU2009326518A1 (en) | 2011-06-30 |
| CN102245319B (en) | 2014-11-26 |
| JP2012510897A (en) | 2012-05-17 |
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