CN1136477A - Intermediate thickness steel slab continuous casting machine and multiple furnace process line with slab storage and slab sequencing - Google Patents

Intermediate thickness steel slab continuous casting machine and multiple furnace process line with slab storage and slab sequencing Download PDF

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Publication number
CN1136477A
CN1136477A CN96101619A CN96101619A CN1136477A CN 1136477 A CN1136477 A CN 1136477A CN 96101619 A CN96101619 A CN 96101619A CN 96101619 A CN96101619 A CN 96101619A CN 1136477 A CN1136477 A CN 1136477A
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Prior art keywords
steel billet
bloom slab
slab
bloom
furnace
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CN96101619A
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Chinese (zh)
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乔治·W·梯品斯
约翰·E·托马斯
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Tippins Inc
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Tippins Inc
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Priority claimed from US08/371,135 external-priority patent/US5579569A/en
Priority claimed from US08/371,407 external-priority patent/US5544408A/en
Priority claimed from US08/371,408 external-priority patent/US5511303A/en
Application filed by Tippins Inc filed Critical Tippins Inc
Publication of CN1136477A publication Critical patent/CN1136477A/en
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    • 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
    • B21B1/466—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 non-continuous process, i.e. the cast 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/0024—Charging; Discharging; Manipulation of charge of metallic workpieces
    • 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
    • B21B1/30—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 non-continuous process
    • B21B1/32—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 non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • B21B1/34—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 non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by hot-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
    • B21B45/004—Heating the product

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Metal Rolling (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)

Abstract

A method and apparatus of making coiled plate, sheet in coiled form or discrete plate. The apparatus includes a continuous strip caster forming a strand of intermediate thickness; a shear for cutting the strand into a plurality of slabs of desired lengths; a slab sequencing and storing device; one or two reheat furnaces for selectively reheating the slabs; a feed and run back table at the exit of one reheat furnace; a single or twin stand hot reversing mill for reducing the slab to a coiling thickness in a number of flat passes; and a pair of coiler furnaces located on opposite sides of the hot reversing mill.

Description

Have that steel billet stores and sequencing in thick continuous-casting of steel billet machine and many stoves machining line
The present invention relates to the continuous casting of bloom slab and rolling, more particularly, be related to a kind of comprehensive in thick bloom slab (slab) conticaster and a reversible hot milling roll, they are at steel billet source, front and back sequencing and store and have flexibility and have rolling thin specification product ability.
Since steel billet continuous casting occurs in steel and iron industry after, some companies manage by online layout the hot-rolled band machine to be combined with conticaster continuously always, so that make production capacity increase to maximum and make required equipment and capital expenditure reduce to minimum.Virgin work in this respect comprises that continuous conticaster and existing hot-rolled band machine that production is equivalent to the steel billet of 6 to 10 inches (152.4 to 254mm) combine.These existing hot-rolled band machines comprise that a reheating furnace, a roughing steel unit (or reversible roughing mill) and have the 6 or 7 support finishing mills of annual 150 to 5,000,000 tons of (140 to 4,500,000 tonnes) production capacity.This layout is the design of big steel enterprise hot-rolling mill now, and owing to the new hot-rolled band machine of high this design of capital construction cost always unlikely built up.Seeking low-cost comprehensive casting (device) and hot-rolled band machine is not resolved by design now.In addition, the comprehensive milling train of this prior art is not too changeable to product mixing ratio and existing market demand amount.
These difficult points cause the development of so-called thin slab continuously hot rolling band machine, and this hot-rolled band machine can be produced 1.000,000 tons of (907.185 tonnes) steel by the standardized product form general every year.These milling trains combine with about 2 inches (50.8mm) or littler thin slab conticaster.The thin slab conticaster of this combination is subjected to people and more and more welcomes, but they self are not to be provided with major defect.Some open defects comprise product quality and the restricted number relevant with the thin slab conticaster.Especially for providing the needed tubaeform mould of metal, thin slab can cause that along the high frictional force and the stress on the surface of thin-walled steel billet, this can cause the undesirable appearance quality of finished product.In addition, because the limited metals capacity of mould, two inches (50.8mm) band conticasters are limited to a tundish life-span of about 7 heating.
Most important is that the thin slab conticaster must prevent metal condensing in general ladle device with high-speed casting owing to certainty.This itself also needs tunnel annealing furnace, it is just in time in the frequent extremely downstream of long continuous-casting of steel billet machine of about 500 feet (152.4 meters), so that adjust the speed of steel billet and still can (50.8mm) provide heat input to the thin slab (2 inches) of loses heat under two-forty very.Because also with high speed process stove, it needs multimachine seat continuously hot rolling band machine to regulate the band of fast moving and it is rolled into thin plate and thickness of strip to steel billet.But, have the annual nearly production capacity of 5,000,000 tons (4,540,000 tonnes) because conticaster has the production capacity and the continuous rolling mill of annual about 800,000 tons (about 725,750 tonnes), so that this system is still is unbalanced on Rack.Secondly, the capital construction cost of this system cost alternative near planning, aforementioned prior art.
In addition, the scale loss of making thick steel billet thickness percentage is sizable concerning the thin casting steel billet of 2 inches (50.8mm).Since extremely long stove, stove must have one and roller hearth, this roller hearth is difficult to thoroughly maintain because of the live-rollers that exposes becomes.
Someone once advised the small dimension size band steel with these 2 inches (50.8mm) billet rollings about 0.040 inch (1.016mm)., under the mild steel situation, on multimachine seat continuous rolling mill its heat fade too big, thereby make it can not obtain essential finishing temperature.And under the situation of Aldecor, two inches thick steel billets do not produce the needed reduction of Aldecor (rate) according to reports, this economy can cause the coarse grain microstructure, thereby must be eliminated by special Temperature Treatment, and this Temperature Treatment is greater than the cold charge of same other microalloy grade of steel of level, sees in May, 1994 material science and " niobium-vanadium (Nb-V) micro alloyed steel thin slab is the optimal selection of the hot rolling technology program of charging directly " of technical journal N Ceng Tala and R Keyes group.
General multimachine seat hot-rolled band machine also requires a large amount of quick work, and it must be provided by more high-power rolling support, and in some cases, particularly in developing country, the big rolling support of skill rate can surpass the energy capacity in somewhere.Equally, with regard to product thickness, the thin slab conticaster is because of being restricted in the difficulty of using vertical edger two inches (50.8mm) steel billets.Other problems relevant with the thin strip conticaster comprise makes the various field trashes that form in steelmaking process break away from some relevant problems of surface of thin slab, if be exposed at this occasion field trash, this field trash can cause some blemish.In addition, because the very fast dissipated heat of thin slab and pulverize oxide skin with water under high pressure usually and can affect adversely, so be restricted in the descaling of existing system.
In addition, this thin strip processing only can be operated in a continuous manner, this means that work in-process fault Anywhere all can make the whole piece production line out of service, thereby often causes scrapping of processed all over products.
The combination of continuous-casting of steel billet machine and arbitrary hot-rolling mill need steel billet casting and rolling synchronously.Do not having ability to separate under the steel billet casting and rolling situation of this combined system, the fault Anywhere of work in-process then makes the whole piece production line out of service, can cause scrapping of entire product just to be processed thereby have.The casting of steel billet with rolling can be by the continuous-casting of steel billet machine being transferred to the steel billet storage area and being separated effectively.But this solution is unsuitable.Steel billet is transferred to the steel billet storage area of an outside, so that when the milling train of sending back at processing line, just the big energy of needs make steel billet return to suitable rolling temperature.For being described, this specific question once attempted to adopt other several method.These methods are included in the heating furnace or keep or the store heat steel billet in hot isolation ward.But these solutions also have some shortcoming, comprise the required capital cost that takes up room He comprised.
The objective of the invention is for interior thickness continuous-casting of steel billet machine and reversible hot milling roll are combined.Another object of the present invention is for adopting a system that the speed of the speed of conticaster and rolling mill is balanced each other, and separate (decoupling) of conticaster with rolling mill is provided on demand.An also purpose of the present invention is for selecting a system that can use less heat energy and electric energy for use.Another purpose of the present invention is for taking an automated system, and this system has a small amount of capital expenditure, reasonably floor space requirement, suitable rolling chain drive and low operating cost.A further object of the present invention is for being provided at steel billet source, front and back sequencing and the flexibility that stores and for the demand growing to the small dimension wide strip is provided economically.
The invention provides the annual product of a kind of energy at least 650.000 and preferably more than 987.185 finished product tons (at least 589.67 and preferably more than 987.185 finished product metric tons) and enlarge the conticaster and the bar milk of multiduty, the combination of product mixing ratio.This equipment can be produced the product that 24 to 120 inches products that (610 to 3.048mm) is wide also can be produced the product of 800PIW routinely and might produce 1.200PIW.This is to use a kind of conticaster to realize, this equipment has fixing and adjustable straight line, the mould of square-section, rather than tubaeform mould.Conticaster has a mould that enough liquid capacities are housed, and must make unsettled tundish have the enough time to be changed, thereby make conticaster can accomplish to be not limited to the tundish life-span No. one time.The invention provides one about 2 to 3 times resemble thick steel billet the thin slab, thereby dissipated heat and need input few heat (heat energy) seldom.The present invention makes steel billet have less scale loss because of the surface area that dwindles per unit volume and allows one or two reheating furnace or equalizing furnace that only needs minimum maintenance of use.In addition, the invention provides a kind of can be with the conticaster of conventional conticaster speed and conventional de-scaling (descale) technology operation.The present invention also creates conditions for the selection of the optimum thickness continuous-casting of steel billet machine that uses with the double stand that the balanced production ability is provided, tandem reversible hot milling roll.The present invention when delay occurring on arbitrary end of conticaster and milling train, provides casting and the rolling ability of separating of making.If this delay is in rolling, the present invention creates conditions for hot steel billet stores.When molten metal chemical composition in conticaster changes or the width of steel billet processed in conticaster when changing, the present invention can be formed transition steel billet and is easy to take out and gets ready.In addition, the present invention considers easily cold steel billet is sent in the machining line.This steel billet can be external source (just steel billet is not formed by conticaster), and its thickness can be bigger than the thickness of being cast by conticaster.This versatility will make machining line be operated under each self-capacity of all separate parts and to create conditions for the each several part of production line carries out operation independently.This external source steel billet allows also to comprise that other product mixing ratio of some steel grade levels of the production capacity that surpasses steelmaking equipment creates conditions, and this steelmaking equipment forms the part of arbitrary given comprehensive process.As long as keep the advantage of thin slab conticaster just can realize all above-mentioned advantages, these advantages comprise that low weight, straight line mould, the mould of shorter length, the less mold radius of needs, the low cooling of hanging down ferrostatic pressure head, steel billet require, the frame for movement of low burn cost or cutter capacity and simplification.
The invention provides a kind of cut deal billet continuous casting machine that combines with hot-rolled band and panel production line, this conticaster comprises again and again heating or balanced stove at least, this stove can be directly from conticaster, concentrate the stacking place or accept steel billet from another place from being positioned near the steel billet of the steel billet rollgang of conticaster outlet.One embodiment of the present of invention comprise that one can accept the reservoir vessel of steel billet from conticaster.One feeding and return roller table be positioned in one of reheating furnace outlet side and with double stand reversible hot milling roll online (series connection), coiler furnace then is positioned at the hot-rolling mill both sides.In one embodiment of the invention, feeding and return roller table are to form a line with coiling machine, so reheating furnace selectively in addition along separate routes.Milling train can make the casting bloom slab taper to about one inch (25.4mm) or the thickness below one inch under the flat mill train of minimum number, about three or four flat mill traines.The sheet metal of combination strip coil, rolling sheet material, scroll or the online extension of discontinuous sheet material finishing line and extend to the downstream of reversible hot milling roll and coiler furnace.The finishing implement can comprise a cooling stations, a downcoiler, a sheet material roller-way, a cutter, a cold bed cutting machine, a plate trimming machine and a crop(ping)shears and a piler.
For reaching balance necessary between reversible hot milling roll and the conticaster, preferably casting has the bloom slab of (about 73 to 152mm) about 3 to 6 inches, and the best has the bloom slab of (about 88.9 to 139.7mm) about 3.5 to 5.5 inches.Although in some characteristic steel grade as stainless steel, in thick bloom slab can reach 8 inches (about 203mm), thick meaning usually is defined as steel billet used herein to this steel billet in the term.The casting steel billet can be calendered into the thickness that can reel, and before the intermediate products that begin to be wound between the coiler furnace, intermediate products are further rolled to required finished product thickness, in four flat mill traines of reversible hot milling roll, be rolled down to usually about 1 inch (about 25.4mm) or below 1 inch.For the manufacturing web-like sheet material that reaches 1.000PIW and Geng Gao, the production capacity of dividing the sheet metal of riser and scroll are provided, width of steel billet can from 24 to 120 inches (610 to 3.048mm) not wait.
A kind of machining line of the present invention comprises a continuous conticaster of thick made-up belt and an online cutter in the conticaster downstream in one, this cutter can cast panel cut into Len req in thick steel billet.But a steel billet rollgang and cutter and be installed in its nearby the steel billet handler of feeding steel billet be online setting.The one concentrated stacking of the steel billet place near the steel billet handler is used for admitting and the supply steel billet.At least be provided with a reheating furnace, this reheating furnace have one with the online upstream end of steel billet rollgang, thereby from then on termination receive steel billet and through again the heating steel billet deliver to feeding and the return roller table that is positioned at reheating furnace port of export place.One reversible hot milling roll is to be provided with feeding and return roller table on-line mode, so that under some flat mill traines the steel billet on feeding and the return roller table is rolled the intermediate products that are enough to satisfy coiling thickness to having.Two coiler furnaces that separate to be arranging with feeding and return roller table on-line mode, and coiler furnace is positioned at the upstream of reversible hot milling roll and another coiler furnace is positioned at the downstream of reversible hot milling roll.When make intermediate products through two coiler furnaces between and when passing reversible hot milling roll, coiler furnace can be admitted and discharge intermediate products, so that it is rolled down to final product.One is arranged on the last machining line in downstream (finishing line) is provided with on-line mode with coiler furnace and reversible hot milling roll.
In said apparatus, reversible hot milling roll comprises a pair of four rolled steel machine supports, and the adjustable vertical edger that these supports are suitable for being located between the support is operated with cooperatively interacting.In addition, the steel billet handler comprises one near steel billet rollgang and can be with respect to the first steel billet transfer device of steel billet rollgang lateral operation, and there, feeding and return roller table are arranged on the end near the first steel billet transfer device.One second steel billet transfer device is arranged near feeding and the return roller table, and there, steel billet is left the place concentratedly and is suitable for receiving from the steel billet of the second steel billet transfer device or steel billet and delivers on this device.In addition, this example of the present invention can comprise one second reheating furnace, this heating furnace have one with feeding and return roller table upstream end and one and the steel billet rollgang port of export in a straight line in a straight line.
Be included as thick strand in the casting one and provide a cut deal billet continuous casting machine and online cutter the steel billet that it cuts into predetermined length according to the method for operating of the sheet metal of processing web-like sheet material of the present invention, coiling form or discrete sheet material.In addition, for and cut deal billet continuous casting machine position and steel billet in line leave between the place mobile steel billet concentratedly and be provided with a steel billet handler leaving the place, place concentratedly near steel billet.
As mentioned above, the first embodiment of the present invention can comprise a steel billet reservoir vessel, and this container then comprises one vertically moving (load-carrying) balladeur train, and this balladeur train is suitable for engaging with the lowest steel billet of a pile steel billet in the container, wherein, the steel billet in the steel billet heap is directly contact mutually.Can be provided with thermal insulation layer to surround all sides and the end face of this heap steel billet at least.In the first embodiment of the present invention, balladeur train can be installed in by heat insulation steel billet and keep on the guide rail in the hole, is suitable for sealing the lid that the steel billet maintenance is cheated and should maintenances hole have one.In a second embodiment, balladeur train can comprise one or two pair of steel billet engaging arms of low steel billet that is suitable for engaging and support steel billet heap.For adapting to different width of steel billet, the steel billet engaging arms preferably movably and comprise side and the end face thermal insulation barriers that is attached on each steel billet engaging arms.End face thermal insulation barriers on each steel billet engaging arms is configured to overlaid each other, and the steel billet engaging arms preferably moves, so that can be adapted to different steel billet thickness.
Delivering in one online (online) heating furnace from cut deal billet continuous casting machine, steel billet container (if setting) or the steel billet of storage location.Steel billet to be rolled is fetched on the continuous machining line from online heating furnace, and this machining line comprises a reversible hot milling roll, and reversible hot rolling respectively has a coiler furnace at its upstream with on the downstream.Make steel billet to be processed pass reversable mill back and forth to form the intermediate products of the thickness that can be reeled.Intermediate products are wound onto in one of coiler furnace.Make and produce mouth in the middle of the rolling and pass milling train back and forth the rolling intermediate products being rolled the final product to required thickness, intermediate products all get aggregation in each time during by reversible heat engine and send on each coiler furnace or from each coiler furnace.Final product can be finish-machined to coiling sheet material, discrete sheet material or one of the sheet metal that forms of reeling.
The method according to this invention also provides, and when the temperature of steel billet enough satisfied rolling the requirement, some coiling steel billets can be walked around heating furnace; In addition, (that is, be not in the steel billet cast in the thick continuous-casting of steel billet machine) that the steel billet of heating furnace can be an external source given in some supplies.These external source steel billet thickness can be different with the composition that can produce on the melting/refining furnace of being correlated with conticaster greater than steel billet of being cast by interior thickness continuous-casting of steel billet machine and/or chemical composition.Reversible hot milling roll of the present invention comprises and a pair ofly is suitable for the rolling mill support of serial operation, also comprises that one is configured in this to the adjustable vertical edger between the rolling mill support.Method of the present invention can comprise one near second heating furnace the online heating furnace so that prepare for the multifunctionality widely in steel billet source, sequencing and the processing, this will be described in detail in this article.
Figure 1A and 1B expression is according to thick strip caster in the first embodiment of the present invention and the online reversible hot milling roll and the layout schematic diagram of coiler furnace;
Thick strip caster and the online reversable mill and the schematic diagram of coiler furnace and a plurality of reheating furnace and equalizing furnace layout in Fig. 2 one expression according to a second embodiment of the present invention;
Fig. 3 A and 3B are the schematic diagrames of the 3rd embodiment that arranges according to thick strip caster in of the present invention and online reversible hot milling roll and coiler furnace;
Fig. 4 is the cross section view of an example of Fig. 3 A and the 3A steel billet reservoir vessel shown in schematically;
Fig. 5 is the side view of another embodiment of the steel billet reservoir vessel shown in schematically among Fig. 3 A and the 3B;
Fig. 6 is the front view of a steel billet reservoir vessel shown in Figure 5.
In Figure 1A, illustrated the first embodiment of the present invention in () thick (degree) continuous-casting of steel billet machine and online hot-rolled band and sheet material operation (processing) line.Present embodiment extremely be suitable for as the following steel billet procedure that is described in detail.On our conticaster and the upstream end of band and sheet material combination production line 25, be provided with one or more electric smelting furnaces 26 that molten metal is provided.Before molten metal is injected conticaster 30, earlier steel stove 28 is contained in its input one.30 of conticaster steel (base) are injected in the mould (shaped form be in line shape) 32 of a square-section.
One Flame-cutter tool (or cutting implement) 34 is placed in the port of export of mould 32, so as the metal made-up belt that has this moment solidified cut into about 3.0 to 6 inches (about 76 to 152mm) thick, also have 24 to 240 inches Len reqs that (610 to 3048mm) is wide in thick steel billet (slab).
Then, to deliver to a steel billet output area in feeding and the steel billet that backhauls roller-way 52, in that zone, steel billet can be by with respect to the conversion roller-way 35 of the movably steel billet of steel billet feeding and return roller table 52 lateral operations (operation) and from feeding with backhaul the roller-way 52 and shift out.Steel billet can shift roller-way 35 by steel billet and be moved to a roller-way transporter 36 and leave place 40 concentratedly to be encased in stove 42 or to be shed and be stored in steel billet from online processing line, and this place will be installed various types of steel billets usually and be adjusted equipment.Concentrated the revolving with establishing of storage space of steel billet that is easy to The field should be convenient to make separating of conticaster and downstream processing line.For instance, if in casting process, rolling mill breaks away from processing line, and all the other steel billets just can be transported to steel billet and leave the place concentratedly.In addition, if machine breaks away from processing line continuously, downstream processing just can be continued by the external source steel billet.Steel billet is left place 40 concentratedly can concentrate in together to write the defective in each steel billet each steel billet for Surface Machining separately.Although also can utilize the step-by-step movement hearth furnace in some applications, best stove is a walking beam furnace.Full-size steel billet 44 and each discontinuous (discrete) length steel billet 46 of in walking beam furnace 42, having shown some plate product.Be placed in steel billet and leave the steel billet 38 in place 40 concentratedly and also can be put into stove 42 by steel billet propeller 48 or charging arm device, these steel billet propellers or charging arm device are in order to pack steel billet 38 into walking beam furnace 42 indirectly and to settle.Also might pack into from the next steel billet of other steel billet storeyard or storing place.Leave place 40 concentratedly from steel billet or the occasion of the slab of packing into from the off-line place under, the ability of additional heat must be arranged stove 42 so that steel billet reaches rolling temperature.
Because in thick steel billet keep the degree of heat bigger than thin slab, therefore, under many operating conditions temperature equalization all can become need like that.In addition, with regard to some casting steel billet (bloom slab), when admitting steel billet on charging and return roller table, the internal temperature of whole steel billet can be enough to satisfy directly rolling.In this case, can walk around stove 42 to steel billet and directly deliver to downstream processing.Can reckon with that also second stove can be placed on the upstream of first stove 42 to increase the adaptability and the control of prevailing system.
Various steel billets were carried stove 42 in a conventional manner, were taken out and were placed in feeding and backhauled on the roller-way 52 by steel billet withdrawing device 50.For in thick steel billet can utilize descaler 53 and/or vertical edger 54.Vertical edger usually can not be with only 2 inches (50.8mm) or the steel billet below 2 inches be used in combination.
Feeding and backhaul roller-way 52 and the downstream of edger roll rail limit machine 54 is single stand reversible hot milling rolls 56, it has a upstream and downstream coiler furnace 58 and 60 respectively.Runout table 61 and cooling stations 62 are in the downstream of coiler furnace 60.The downstream of cooling stations 62 is one and the coiling machine 64 of coil buggy 67 co-operate, and the coiling machine back is one and the sheet material roller-way 64 of cutter 68 co-operate.Finished product or be exactly to process the sheet material form that is sheared into for further online (online) as being wound onto with the sheet material of band or rolling sheet material form on the coiling machine 66 and being transported by coil buggy 67.Plate product is then transferred on the last processing line 71 by the transfer roller-way 70 that comprises cold bed.Last processing line 71 comprises a sheet material side bead cutter 72, a sheet material crop(ping)shears 74 and lumber jack 76.Certainly, in the place that only needs coiled material or coiled material and plate product, save plate product equipment.
The advantage of theme invention is passed through the operating parameter that is adopted and is utilized the accessible procedure flexibility of existing design to produce.Cast slab (base) should have the interior thickness between about 3.0 and 6 inches (76 to 152mm) usually, is preferably in the interior thickness between about 3.5 and 5.5 inches (88.9 to 139.7mm).Width generally can change to produce the product of a 1.000PIW and Geng Gao between 24 inches and 100 inches (610mm and 2.540mm).
Make steel billet straightly pass reversible hot milling roll 56 back and forth, to obtain about 1 inch (25.4mm) or littler steel billet thickness with the flat pass (mill train) of minimum number.Then, these intermediate products are wound in the suitable coiler furnace, under the situation of three flat passes, above-mentioned coiler furnace should be a downstream coiler furnace 60.After this, intermediate products are passed between reversible hot milling roll 56 and all coiler furnaces to and fro to obtain into rolled sheet material, to become rolled sheet material or the needed thickness of plate product.For the mill train quantity that obtains final product thickness can be different, but usually can be in comprising nine mill traines of initial flat mill train in addition rolling.Usually, starting from the final stage mill train (final pasxs) of upstream coiler furnace 58, the band of desired thickness is rolled on reversible hot milling roll and is continued to pass through cooling stations 62, and band is subjected to suitable cooling in cooling stations, thereby, can be wound on the coiling machine 66 or introduce on the sheet material roller-way 64.If product is into the sheet material or the sheet material of web-like, just it is wound on the coiling machine 66 and it is transported by coil buggy 67.If make product directly become the sheet material form, it enters sheet material roller-way 64, and it cuts to suitable length by cutter 68 on this roller-way.Then, sheet material is imported into one and shifts roller-way 70, and this shifts roller-way and plays the cold bed effect, and therefore, sheet material in the end obtains fine finishining on the processing line 71, and last processing line comprises descaler 73.Side bead cutter 72, end shear 74 and piler 76.
In thick continuous-casting of steel billet machine and hot-rolled band and sheet material production line the advantage of many useful thin strip conticasters is provided.The basic design of equipment can mean per hour rolling 150 tons of rolling mill (136 tonnes).Except calculating per hour reached the speed of rolling 150 tons (136 tonnes) required conticasters, market demand depended on the product mixing ratio significantly, a kind of may imagine most of product mixing ratio should be between 36 inches (914mm) and 72 inches (1829mm).One per hour 150 tons (136 tonnes) down 72 inches rolling (1829mm) steel billets will require the casting speed of per minute 61 inches (1549mm).At width is that casting speed is increased to 73.2 inches of per minutes (1859mm) under 60 inches (1524mm) situations; Under width 48 inches (1219mm), casting speed is increased to 91.5 inches of per minutes (2324mm); Under 36 inches (914mm) situations of width, the teeming speed degree is increased to 122 inches of per minutes (3099mm).All these speed all are in acceptable casting speed scope.
Annual plan tonnage can be based on working every year in 50 weeks.15 order of classes or grades at school, per tour are inferior 8 hours weekly, therefore, and 6000 hours annual effective times, suppose that 15% of these effective times are utilized and suppose 96% productivity ratio via operating equipment, annual plan tonnage will be similar to 650,000 finished product tons (589,670 tonnes).
In Figure 1B, illustrated according to thick continuous-casting of steel billet machine conticaster and online (online) hot-rolled band and sheet material production line in the remodeling of the first embodiment of the present invention.This conticaster and band and sheet material combination production line 25 is except double stand reversible hot milling roll 56 ' substitute the single stand reversible hot milling roll, and is identical with the described production line of relevant Figure 1A 25.The setting of double stand can improve the rolling power of rolling mill.In addition, the processing of double stand rolling mill 56 ' can be external source steel billet creates conditions, and external source steel billet thickness is than can be big by the middle steel billet that conticaster produced.With regard to two-seater aircraft steel machine 56 ' with regard to usually require to reach the thickness that can be reeled at four on feeding and the return roller table 52 flat mill traines (with steel billet at every turn along the passing through of feeding and return roller table 52 time produce two mill traines) that reduce.
Figure 2 illustrates one according to a second embodiment of the present invention, contain a plurality of stoves and/or a plurality of support reversible hot milling rolls in thick continuous-casting of steel billet machine and online band and sheet material production line.In the processing line of Fig. 2, be similar to the production line that illustrates among the embodiment shown in Fig. 1 in many aspects.In combined type, on the upstream end of thick continuous-casting of steel billet machine and band and sheet material processing line, be provided with one or more electric smelters 126 that molten metal is provided.Before molten metal being cast in conticaster (cast steel) 130, earlier it being injected one and contain steel stove 128.The curve that 130 in continuous-casting of steel billet machine is admitted to a square-section open or linear mould 132 in.The port of export that one Flame-cutter tool or cutter 134 are placed in mould 132 with the metal made-up belt that is solidified cut into Len req in thick steel billet, this steel billet also has the width of 24 to 120 inches (610 to 3.048mm).Then, thick steel billet is delivered on the steel billet rollgang 136 among the general.One hot scrafer 137 can be placed in steel billet rollgang 136 tops to handle the surface of steel billet.Steel billet can shift out and be stored in steel billet and leave place 140 or can be directly from steel billet rollgang 136 is packed steel billet into one equilibrium or reheating furnace 142 concentratedly from online processing line.Although can utilize the roller-way hearth furnace in some occasion, best stove 142 is walking beam furnaces.Various steel billets are transported to stove 142 with traditional fraction and are moved out of, and be placed in the feeding and return roller table 152 of the outlet that is positioned at stove 142, feeding and return roller table 152 are aligned with the conticaster 130 on machine direction, but are arranged in a straight line with conticaster in fact not resembling in first embodiment.
When steel billet being transported to when leaving place 140 concentratedly, can from steel billet rollgang 136, take out steel billet by steel billet transfer roller-way 138 with respect to the horizontal operation of processing (productions) line.Steel billet shifts roller-way 138 will be transplanted on feeding and return roller table 152 to steel billet from steel billet rollgang 136.Second steel billet shifts 144 of roller-ways and is installed in to sentence near feeding and return roller table 152 and steel billet is transported to steel billet from feeding and return roller table 152 leaves place 140 concentratedly.One interchangeable layout can shift roller-way 138 and 144 to first and second steel billets and be merged into one and extend to the single transfer roller-way that steel billet is left place 140 concentratedly from the steel billet rollgang, and the mid portion that makes feeding and return roller table 154 shift roller-way from the steel billet that merges extends and therefrom admit steel billet.
One stove 146 is placed between steel billet rollgang 136 and feeding and the return roller table 152 and is positioned at stove contiguous 142.Stove 146 can have an inlet side and and have a port of export on steel billet rollgang 136 on feeding and return roller table 152.The steel billet storage space also comprises steel billet adjustment section 148, and Duan Zhongke further carries out Surface Machining on demand in adjustment.
Two kinds of disclosed stoves and steel billet handler will provide many-sided versatility aspect steel billet source and the processing.As mentioned above, the steel billet that thick cast steel (base) and casting machine 130 castings are come out in can directly be transported on feeding and the return roller table 152 by stove 142 and send into machining line.Because in thick steel billet keep the heat degree widely more than thin slab, so temperature equalization all needs in many modes of operation usually.
In addition, this layout can guarantee to shift roller-way 138 and 144 steel billet being transported to steel billet at line position and leaving place 140 concentratedly from steel billet rollgang 136 by steel billet.When break down in the downstream of machining line, just require this depositing that continuous casting is carried out continuously, on the other hand, this depositing can be convenient to take out such as adjusting further processing of do in the section 148 because of some each steel billet of undesirable blemish at steel billet.This layout has guaranteed to leave the big adaptability (versatility) that steel billet is introduced in the place concentratedly at the steel billet of machining line back.
In short delay, steel billet can shift roller-way 144 by steel billet and directly be transferred on feeding and the return roller table 152 to carry out processing subsequently.Second alternative method is to shift roller-way 138 and 144 by steel billet steel billet is transferred on the steel billet rollgang 136.Then, steel billet serially downwards by stove 142 and reach feeding and return roller table 152 to process.The steel billet of cooling is in the place of introducing machining line again, and this layout is convenient to make steel billet to be shifted on the steel billet rollgang 136 by reheating furnace 146, and the ability that reheating furnace will have additional heat is suitable for the temperature of processing continuously to impel steel billet to reach.In addition, this layout will guarantee the external source steel billet is introduced machining line, the external source steel billet refer to be not with in casting is come out in the thick continuous-casting of steel billet machine 130 steel billet.This external source steel billet can have arbitrary thickness, comprises that thickness that its thickness comes out greater than 130 castings of thickness continuous-casting of steel billet machine therefrom and/or chemical property then are different from can and contain production in the steel stove 128 or the character of acquisition at electric smelter 126.The additional properties of the external source steel billet being introduced machining line provide the additional selective power of more improving matching speed for the downstream processing thick continuous-casting of steel billet machine 130 of centering and external source steel billet source.
Can consider an alternative embodiment of the present invention, wherein, stove 146 has an outlet side having an approaching side and on the steel billet rollgang 136 on feeding and return roller table 152.In this layout, the steel billet of usually steel billet being left concentratedly place 146 is supplied with and is given steel billet rollgang 136, is transported to one suitable among stove 142 or 146 then.In the replaceable layout in here, two stoves are operated with the same manner usually.In the embodiment shown in Figure 2, stove 146 can be used as reheating furnace and uses and operate, and operates and stove 142 can be used as the balanced type stove usually.
This layout stipulates that additionally (assurance) directly is transplanted directly on suitable steel billet continuously charging that (afterwards) process and return roller table 152 and is not transplanted on any of stove 142 or 146 by resembling first embodiment from steel billet rollgang 136.If cast slab has all contained suitable rolling temperature, this procedure is only possible.This alternative method further shows the design's peculiar flexibility.
Steel billet is passed a conventional oxygen at skin scavenger 153 on feeding and the return roller table 152 for continuous processing is placed on.As mentioned above, the processing of this oxide skin removing may be harmful to 2 inches thin cast slabs.
The downstream of feeding and return roller table 150 and with its in line be a reversible hot milling roll, this reversible hot milling roll comprises a pair of four rolled steel machine supports 156 that are arranged to operate in tandem.Be configured in this to being an adjustable vertical edger 154 between the rolling mill support 156.Vertical edger 154 is to be defined as can be used routinely or be used for respectively splaying by the front and back end of the steel billet on first mill train of rolling mill, so that two extreme end of the unexpected burning that compensation takes place in continuous rolling (end).This splaying can be controlled and vertical edger can not have the seedbed by the rolling mill double stand and driven by AGC (measuring adjusting device automatically).Two validity (degree) of splaying end can be by being positioned at the plastic hot-rolling mill support in downstream the wide meter of survey of the port of export monitored, in the wide meter of survey, can lay the marking of width, and can adjust by backfeed loop opposite roller edging mill in the occasion of necessity.
The coiler furnace 158 and 160 of upstream and downstream is placed on the both sides of rolling mill support 156 of a pair of reversible hot milling roll separately.One runout table 161 extends downstream from coiler furnace 160.Be in the downstream of downstream coiler furnace 160 and extend just like the such cooling stations 162 of laminar flow cooling along runout table 161.Colling end 162 downstreams be one can with the upcoiler 166 of coil buggy 167 co-operate.Can be basically with above-mentioned Fig. 1 on the same finished product production line that is arranged on subsequently, it comprises edge-trimming machine 68, shifts roller-way 70, not level machining line 71, sheet material side edge-trimming machine 72, sheet material crop(ping)shears 74 and lumber jack 76.
The structure of two reversible support 156 of operation comprises to increase and processes tonnage and can reach the ability than small dimension (thickness) as 0.040 inch before and after in the reversible hot milling roll of the present invention, this is to being of great importance in the many industry such as building industry etc., as can make pillar (door and window very) to small dimension hot-rolling mill product to substitute timber in building industry.Proved that the combination that extra charge that double stand reversable mill rather than single stand reversible engine machine are housed is left the external source steel billet in place 140 concentratedly by aforesaid increase productivity ratio, versatility and steel billet is worthwhile.As noted, the external source steel billet can have greater than in conticaster 130 casting steel billet thickness and can offer more kinds of various product match ratios.Following example will illustrate this match ratio.
Example 1
According to following rolling mill practice process can from 51/2 inch (139.7mm) cast slab or steel billet produce one 48.99 inches (1244mm) wide * thin plate of the scroll that 0.040 inch (1.016mm) is thick:
24.495 tons of (22.22 tonnes) 1000.PIW of example 1 (tandem reversable mill) (pound/inch width) rolling mill practice process HSM (hot-rolled band machine)-48.99 (1244mm)-5.5000 (139.7mm)/.0400 (1.0mm)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter The % reduction The decrement inch The decrement millimeter The angle of nipping The length foot The length millimeter Second in elapsed time
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ??FCE： ??TF1： ??TF2： ??TF2： ??TF1： ??TF1： ??TF2： ??TF2： ??TF1： ??TF1： ??TF2： ??5.5000 ??3.9350 ??2.4300 ??1.3700 ???.6400 ???.3250 ???.1788 ???.1073 ???0.697 ???.0470 ???.0400 ???139.700 ????99.949 ????61.722 ????34.798 ????16.256 ?????8.255 ?????4.542 ?????2.725 ?????1.770 ?????1.194 ?????1.016 ??????.0 ????28.5 ????38.2 ????43.6 ????53.3 ????49.2 ????45.0 ????40.0 ????35.0 ????32.6 ????14.9 ?????.000 ????1.565 ????1.505 ????1.060 ?????.730 ?????.315 ?????.146 ?????.072 ?????.038 ?????.023 ?????.007 ?????0.00 ????39.75 ????38.23 ????26.92 ????18.54 ?????8.00 ?????3.71 ?????1.83 ?????0.97 ?????0.58 ?????0.18 ?????.00 ???17.99 ???17.64 ???14.79 ???12.26 ????8.05 ????5.48 ????3.83 ????2.78 ????2.16 ????1.20 ??????53.5 ??????74.8 ?????121.2 ?????214.9 ?????460.1 ?????906.1 ????1646.9 ????2744.4 ????4224.8 ????6265.3 ????7361.8 ??????16.3 ??????22.8 ??????36.9 ??????65.5 ?????140.2 ?????276.2 ?????502.0 ?????836.5 ????1287.7 ????1909.7 ????2243.9 ???????.00 ??????9.09 ?????14.86 ?????50.47 ?????55.39 ????132.76 ????136.85 ????264.82 ????268.43 ????466.76 ????466.76
Example 1 (tandem reversable mill) 24.495 tons of (22.22 tonnes) 1000. pounds of/inch width rolling mill practice processes HSM (hot-rolled band machine)-48.99 (1244mm)-5.5000 (139.7mm)/.0400 (1.0mm)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter Enter temperature Enter temperature ℃ Outlet temperature Outlet temperature ℃
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ???10 ????FCE： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ???5.5000 ???3.9350 ???2.4300 ???1.3700 ????.6400 ????.3250 ????.1788 ????.1073 ????0.697 ????.0470 ????.0400 ???139.700 ????99.949 ????61.722 ????34.798 ????16.256 ?????8.255 ?????4.542 ?????2.725 ?????1.770 ?????1.194 ?????1.016 ????2250.00 ????2207.52 ????2197.20 ????2143.36 ????2107.87 ????2168.29 ????2000.37 ????1928.23 ????1847.25 ????1752.82 ????1725.05 ????1232.22 ????1208.62 ????1202.89 ????1172.98 ????1153.26 ????1131.27 ????1093.54 ????1053.46 ????1008.47 ?????956.01 ?????940.58 ????2250.00 ????2200.11 ????2204.63 ????2121.95 ????2127.08 ????2014.94 ????2014.71 ????1934.41 ????1855.03 ????1752.20 ????1702.93 ????1232.22 ????1204.51 ????1207.02 ????1161.08 ????1163.93 ????1101.63 ????1101.51 ????1056.89 ????1012.79 ?????955.67 ?????928.07
Example 1 (tandem reversable mill) 24.495 tons of (22.22 tonnes) 1000. pounds of/inch width rolling mill practice processes HSM (hot-rolled band machine)-48.99 (1244mm)-5.5000 (139.7mm)/.0400 (1.0mm)
Roll Taoist monastic name The mill stand title The thickness inch The thickness inch Roll-force pound * 10 **6 Roll-force newton * 10 **6 Moment of torsion lbin * 10 **6 Moment of torsion Jiao Er * 10 **6 Power Power kilowatt Duty factor RMS second time
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ????FCE： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ??5.5000 ??3.9350 ??2.4300 ??1.3700 ???.6400 ???.3250 ???.1788 ???.1073 ???.0697 ???.0470 ???.0400 ???139.700 ????99.949 ????61.722 ????34.798 ????16.256 ?????8.255 ?????4.542 ?????2.725 ?????1.770 ?????1.194 ?????1.016 ????0.0000 ????2.7560 ????3.2310 ????3.6420 ????4.0939 ????4.0374 ????3.5497 ????3.5588 ????3.7157 ????4.9793 ????3.0653 ?????0.0000 ????12.2587 ????14.3715 ????16.1996 ????18.2097 ????17.9584 ????15.7891 ????15.8295 ????16.5274 ????22.1479 ????13.6345 ????0.0000 ????1.1437 ????1.3135 ????1.2393 ????1.1498 ?????.7352 ?????.4304 ?????.2906 ?????.2076 ?????.1901 ?????.0556 ????0.0000 ????1.5506 ????1.7808 ????1.6802 ????1.5588 ????0.9967 ????0.5835 ????0.3940 ????0.2815 ????0.2577 ????0.0754 ????0. ??12842. ??23883. ??13158. ??26134. ??13789. ??14673. ???6952. ??10617. ???8272. ???2846. ??????0.00 ???9576.00 ??17810.00 ???9812.00 ??19488.00 ??10282.00 ??10942.00 ???7917.00 ???7917.00 ???6168.00 ???2122.00 ???.0000 ??1.9441 ??2.2326 ??2.1064 ??1.9544 ??1.2496 ??1.0481 ???.6895 ???.7583 ???.5909 ???.2033 ?????.00 ???34.35 ???45.30 ??157.96 ??129.33 ??120.82 ???82.76 ???60.83 ???72.42 ???69.25 ????8.11
Spacing/length is than the spacing between .50000 milling train and the Cfce#2 35,00 foot (10.7 meters) tandem reversable mill peak production volume 1888,92 tons of/hour coiler furnace diameters 54,00 inches (13716 millimeters) are reeled and are begun to roll Taoist monastic name 4 *TF1 *1650,00 times (898,89 ℃) tandem mill traines of coiler furnace temperature begin to roll Taoist monastic name 1 *TF1 *Acceleration is than 250,00 feet per seconds (FPM/s)
35.00 feet (10.7 meters) last object temperature 1702.53F (928.07 ℃) of (76.2 meter per seconds (MPM/s)) spacing between Cfce#1 and milling train
Example 1 is for example understood one of various product types that available device is in addition rolling.Said clear in this example, this milling train can be rolling economically few to 0.040 inch thin plate that (1.0mm) is thick.The structure of double stand for accurately rolling have increase market demand, can create condition to the thin plate of these small dimension sizes less.
Example 2
According to following rolling mill practice process can from 51/2 inch (139.7mm) casting steel billet produce one 55 inches (1397mm) wide * thin plate of 0.060 inch (1.52mm) wide scroll.
Example 2 (tandem reversable mill) 27.5 tons of (24.9 tonnes) 1000. pounds of/inch width rolling mill practice processes HSM (hot-rolled band machine)-55.00 (1397mm) 5.5000 (139.7mm)/.0600 (1.52mm)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter The % reduction The decrement inch The decrement millimeter The angle of nipping The length foot Length meter Second in elapsed time
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ??FCE： ??TF1： ??TF2： ??TF2： ??TF1： ??TF1： ??TF2： ??TF2： ??TF1： ??TF1： ??TF2： ??5.5000 ??3.9480 ??2.5700 ??1.6000 ???.8500 ???.4750 ???.2470 ???.1480 ???.0941 ???.0706 ???.0600 ??139.700 ??100.279 ???65.278 ???40.640 ???21.590 ???12.065 ????6.274 ????3.759 ????2.390 ????1.793 ????1.524 ??????.0 ????28.4 ????34.8 ????37.7 ????46.9 ????44.1 ????48.0 ????40.1 ????36.4 ????25.0 ????15.0 ?????.000 ????1.560 ????1.370 ?????.970 ?????.750 ?????.375 ?????.228 ????0.099 ?????.054 ?????.023 ?????.011 ?????0.00 ????39.62 ????34.80 ????24.64 ????19.05 ?????9.53 ?????5.79 ?????2.51 ?????1.37 ?????0.58 ?????0.28 ??????.00 ????17.97 ????16.83 ????14.14 ????12.43 ?????8.78 ?????6.84 ?????4.51 ?????3.33 ?????2.20 ?????1.47 ??????53.5 ??????74.7 ?????114.6 ?????184.0 ?????346.4 ?????619.9 ????1192.2 ????1989.7 ????3129.3 ????4171.0 ????4907.8 ?????16.3 ?????22.8 ?????34.9 ?????56.1 ????105.6 ????188.9 ????363.4 ????606.5 ????953.8 ???1271.3 ???1495.9 ???????.00 ??????8.59 ?????14.22 ?????42.79 ?????47.49 ????106.78 ????110.94 ????218.88 ????222.59 ????371.84 ????371.84
Example 2 (tandem reversable mill) 27.5 tons of (24.9 tonnes) 1000. pounds of/inch width rolling mill practice processes HSM (hot-rolled band machine)-55.00 (1397mm)-5.5000 (139.7mm)/.0600 (1.52mm)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter Enter temperature Enter temperature ℃ Outlet temperature Outlet temperature ℃
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ????FCE： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ???5.5000 ???3.9480 ???2.5700 ???1.6000 ????.8500 ????.4750 ????.2470 ????.1480 ????.0941 ????.0706 ????.0600 ??139.700 ??100.279 ???65.278 ???40.640 ???21.590 ???12.065 ????6.274 ????3.759 ????2.390 ????1.793 ????1.524 ??2250.00 ??2208.27 ??2198.78 ??2154.98 ??2127.11 ??2096.08 ??2092.28 ??2024.39 ??1958.84 ??1854.68 ??1818.74 ??1232.22 ??1209.04 ??1203.77 ??1179.43 ??1163.95 ??1146.71 ??1144.60 ??1106.88 ??1070.47 ??1012.60 ???992.63 ??2250.00 ??2201.51 ??2204.63 ??2138.02 ??2140.93 ??2104.49 ??2107.45 ??2027.03 ??1955.66 ??1842.76 ??1795.94 ??1232.22 ??1205.28 ??1207.02 ??1170.01 ??1171.63 ??1151.38 ??1153.03 ??1108.35 ??1068.70 ??1005.98 ???979.97
Example 2 (tandem reversable mill) 27.5 tons of (24.9 tonnes) 1000. pounds of/inch width rolling mill practice processes HSM (hot-rolled band machine)-55.00 (1397mm)-5.5000 (139.7mm)/.0600 (1.52mm)
Roll Taoist monastic name The mill stand title The thickness inch Roll-force pound * 10 **6 Roll-force newton * 10 **6 Moment of torsion pound inch * 10 **6 Moment of torsion Jiao Er * 10 **6 Power Power kilowatt Duty factor RMS second time
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ????FCE： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ???5.5000 ???3.9480 ???2.5700 ???1.6000 ????.8500 ????.4750 ????.2470 ????.1480 ????.0941 ????.0706 ????.0600 ????0.0000 ????3.0812 ????3.3368 ????3.5295 ????4.0143 ????3.6429 ????3.0257 ????3.4411 ????3.5483 ????3.0025 ????2.1214 ????0.0000 ????13.7052 ????14.8421 ????15.6992 ????17.8556 ????16.2036 ????13.4583 ????15.3060 ????15.7828 ????13.3551 ????9.4360 ????0.0000 ????1.2766 ????1.2942 ????1.1492 ????1.1449 ????.7284 ????.5876 ????.3386 ????.2473 ????.1305 ????.0579 ????0.0000 ????1.7307 ????1.7546 ????1.5580 ????1.5522 ????0.9875 ????0.7966 ????0.4591 ????0.3353 ????0.1769 ????0.0785 ????????0. ????15141. ????23531. ????13876. ????26023. ????12912. ????20038. ?????9785. ????11241. ?????5041. ?????2634. ????????0. ????11291. ????17547. ????10347. ????19405. ?????9628. ????14942. ?????7297. ?????8382. ?????3759. ?????1964. ?????.0000 ????2.1699 ????2.1997 ????1.9534 ????1.9461 ????1.2380 ????1.4313 ?????.6990 ?????.8029 ?????.3601 ?????.1882 ???????.00 ?????40.46 ?????41.58 ????109.02 ????102.40 ?????90.89 ????117.09 ?????52.74 ?????68.31 ?????19.35 ??????5.21
Tandem reversable mill peak production volume: reeling for 266.20 tons/hour begins to roll Taoist monastic name: 4 *TF1 *The tandem mill train begins to roll Taoist monastic name: 1 *TF1 *Spacing between CFce#1 and the milling train: 35.00 feet, spacing between (10.7 meters) milling train and the CFce#2: 35.00 feet, (10.7 meters) coiler furnace diameter: 54.00 inches, (1371.6 millimeters) acceleration ratio: 250.00 feet per seconds, (76.2 meter per second) coiler furnace temperature: 1650.00, (898.89 ℃) last object temperature, (under TS): 1795.94 °F, (979.97 ℃)
As example 1, example 2 is for example understood the versatility of this device at thin specification (size) thin plate of hot rolling.In the end generally without undergoing exposure with under the situation of Surface Finishing, these the narrow specification of hot rolling (size) products that 0.040 inch (1.0mm) and about 0.060 inch (1.5mm) is thick according to appointment can be used as end product to finished product.The metal structure pillar of 0.040 inch (1.0mm) zinc-plated pillar (door and window very) for example, having represented can be by the present invention's a kind of end product of hot rolling in addition.This is one to be better than the tangible advantage of known prior art, prior art usually with hot rolling into about 0.080 inch (2.0mm) above thick thin plate, then in addition pickling and on cold-rolling mill this product of fine finishining and then annealing and temper rolling (smooth).
Example 3
Produce the sheet metal of one 62 inches (1574.8mm) * 0.090 inch (2.3mm) thick scroll from the external source steel billet of 10 inches (24mm) according to following technical process.
Example 3 (tandem reversable mill) 31 tons of (28 tonnes) 1000. pounds of/inch width rolling mill practice processes HSM (hot-rolled band machine)-62.00 (1574.8mm)-10.00 (254mm)/0.0900 (2.3mm)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter The % reduction The decrement inch The decrement millimeter The angle of nipping The length foot Length meter Second in elapsed time
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ????11 ????12 ????13 ????14 ??FCE： ??TF1： ??TF2： ??TF2： ??TF1： ??TF1： ??TF2： ??TF2： ??TF1： ??TF1： ??TF2： ??TF2： ??TF1： ??TF1： ??TF2： ???10.0000 ????8.5500 ????7.1000 ????5.6500 ????4.2000 ????2.9300 ????1.8700 ????1.1200 ?????.6600 ?????.3878 ?????.2521 ?????.1765 ?????.1324 ?????.1059 ?????.0900 ??254.000 ??217.170 ??180.340 ??143.510 ??106.680 ???74.422 ???47.498 ???28.448 ???16.764 ????9.850 ????6.403 ????4.483 ????3.363 ????2.690 ????2.286 ??????.0 ????14.5 ????17.0 ????20.4 ????25.7 ????30.2 ????36.2 ????40.1 ????41.1 ????41.2 ????35.0 ????30.0 ????25.0 ????20.0 ????15.0 ?????.000 ????1.450 ????1.450 ????1.450 ????1.450 ????1.270 ????1.060 ?????.750 ?????.460 ?????.272 ?????.136 ?????.076 ?????.044 ?????.027 ?????.016 ?????0.00 ????36.83 ????36.83 ????36.83 ????36.83 ????32.26 ????26.92 ????19.05 ????11.68 ?????6.91 ?????3.45 ?????1.93 ?????1.12 ?????0.69 ?????0.41 ?????0.00 ????17.32 ????17.32 ????17.32 ????17.32 ????16.20 ????14.79 ????12.43 ?????9.73 ?????7.48 ?????5.28 ?????3.94 ?????3.01 ?????2.33 ?????1.81 ??????29.5 ??????34.4 ??????41.5 ??????52.1 ??????70.1 ?????100.5 ?????157.5 ?????262.9 ?????446.2 ?????759.4 ????1168.2 ????1668.6 ????2224.3 ????2780.9 ????3272.2 ?????9.0 ????10.5 ????12.6 ????15.9 ????21.4 ????30.6 ????48.0 ????80.1 ???136.0 ???231.5 ???356.1 ???356.2 ???678.0 ???847.6 ???997.4 ??????.00 ?????3.11 ?????8.18 ????12.38 ????17.69 ????26.69 ????32.37 ????62.21 ????66.30 ???119.01 ???122.80 ???192.43 ???195.91 ???276.46 ???276.46
Example 3 (tandem reversable mill) 31 tons of (28 tonnes) 1000. pounds of/inch width rolling mill practice processes HSM (hot-rolled band machine)-62.00 (1574.8mm)-10.00 (254mm)/0.0900 (2.3mm)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter Enter temperature Enter temperature ℃ Outlet temperature Outlet temperature ℃
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ????11 ????12 ????13 ????14 ????FCE： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ??10.0000 ???8.5500 ???7.1000 ???5.6500 ???4.2000 ???2.9300 ???1.8700 ???1.1200 ????.6600 ????.3878 ????.2521 ????.1765 ????.1324 ????.1059 ????.0900 ??254.000 ??217.170 ??180.340 ??143.510 ??106.680 ???74.422 ???47.498 ???28.448 ???16.764 ????9.850 ????6.403 ????4.483 ????3.363 ????2.690 ????2.286 ????2250.00 ????2227.38 ????2224.30 ????2220.03 ????2215.05 ????2194.47 ????2195.76 ????2125.80 ????2121.51 ????2076.96 ????2077.75 ????2030.67 ????1976.73 ????1916.07 ????1893.44 ????1232.22 ????1219.66 ????1217.94 ????1215.57 ????1212.81 ????1201.37 ????1202.09 ????1163.22 ????1160.84 ????1136.09 ????1136.53 ????1110.37 ????1080.41 ????1046.71 ????1034.13 ????2250.00 ????2225.39 ????2226.34 ????2217.71 ????2218.71 ????2198.55 ????2193.42 ????2135.32 ????2113.87 ????2087.73 ????2084.45 ????2032.36 ????1976.45 ????1907.90 ????1880.60 ????1232.22 ????1218.55 ????1219.08 ????1214.28 ????1214.84 ????1203.64 ????1200.79 ????1168.51 ????1156.59 ????1142.07 ????1140.25 ????1111.31 ????1080.25 ????1042.17 ????1027.00
Example 3 (tandem reversable mill) 31 tons of (28 tonnes) 1000. pounds of/inch width rolling mill practice processes HSM (hot-rolled band machine)-62.00 (1574.8mm)-10.00 (25mm)/0.0900 (2.3mm)
Roll Taoist monastic name Jiao Er The mill stand title The thickness inch The thickness millimeter Roll-force pound * 10 **6 Roll-force newton * 10 **6 Moment of torsion lb-ft * 10 **6 Moment of torsion inch * 10 **6
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ????11 ????12 ????13 ????14 ????FCE： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ??10.0000 ???8.5500 ???7.1000 ???5.6500 ???4.2000 ???2.9300 ???1.8700 ???1.1200 ????.6600 ????.3878 ????.2521 ????.1765 ????.1324 ????.1059 ????.0900 ??254.000 ??217.170 ??180.340 ??143.510 ??106.680 ???74.422 ???47.498 ???28.448 ???16.764 ????9.850 ????6.403 ????4.483 ????3.363 ????2.690 ????2.286 ????0.0000 ????3.2570 ????3.2540 ????3.2821 ????3.2788 ????3.5122 ????3.8134 ????4.1445 ????4.0563 ????3.9993 ????3.2680 ????2.9640 ????2.6926 ????2.4442 ????1.9862 ?????0.0000 ????14.4871 ????14.4738 ????14.5988 ????14.5841 ????15.6223 ????16.9620 ????18.4347 ????18.0424 ????17.7889 ????14.5361 ????13.1839 ????11.9767 ????10.8718 ?????8.8346 ????.0000 ???1.3008 ???1.2966 ???1.3108 ???1.3095 ???1.3115 ???1.2987 ???1.1833 ????.9016 ????.6770 ????.3483 ????.2547 ????.1722 ????.1177 ????.0718 ????0.0000 ????1.7636 ????1.7619 ????1.7771 ????1.7754 ????1.7781 ????1.7607 ????1.6043 ????1.2223 ????0.9178 ????0.5210 ????0.3453 ????0.2335 ????0.1596 ????0.0973
Example 3 (tandem reversable mill) 31 tons of (28 tonnes) 1000. pounds of/inch width rolling mill practice processes HSM (hot-rolled band machine)-62.00 (1574.8mm)-10.00 (254mm)/0.0900 (2.33mm)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter Power Power kilowatt Duty factor During RMS/second
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ????11 ????12 ????13 ????14 ????FCE： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ??10.0000 ???8.5500 ???7.1000 ???5.6500 ???4.2000 ???2.9300 ???1.8700 ???1.1200 ????.6600 ????.3878 ????.2521 ????.1765 ????.1324 ????.1059 ????.0900 ??254.000 ??217.170 ??180.340 ??143.510 ??106.680 ???74.422 ???47.498 ???28.448 ???16.764 ????9.850 ????6.403 ????4.483 ????3.363 ????2.690 ????2.286 ???????0. ???19641. ???23630. ???22147. ???29763. ???19976. ???30993. ???22189. ???28689. ???17504. ???15284. ???10858. ????9786. ????5683. ????4081. ????????0 ????14646 ????17621 ????16515 ????22194 ????14896 ????23111 ????16546 ????21393 ????13053 ????11397 ?????8097 ?????7297 ?????4238 ?????3043 ?????.0000 ????2.2110 ????2.2090 ????2.2281 ????2.2258 ????2.2292 ????2.2138 ????2.0114 ????2.0492 ????1.2503 ????1.0917 ?????.7755 ?????.6990 ?????.4059 ?????.2915 ??????.00 ????15.21 ????15.18 ????20.89 ????20.84 ????44.72 ????44.10 ???120.70 ???117.66 ????82.40 ????60.62 ????41.88 ????33.14 ????13.27 ?????6.67
Tandem reversable mill peak production volume: reeling for 403.72 tons/hour begins to roll Taoist monastic name: 8 *TF1 *The tandem mill train begins to roll Taoist monastic name: 1 *TF1 *Spacing between CFce#1 and the milling train: spacing between 35.00 feet (10.7 meters) milling trains and the CFce#2: 35.00 feet (10.7 meters) coiler furnace diameters: 54.00 inches (1371.6 millimeters) coiler furnace temperature: 1650.00 °F of (898.89 ℃) acceleration/deceleration ratios: the last object temperature (under TS) of 250.00 feet per seconds (76.2 meter per second): 1880.60 °F (1027.00 ℃)
Example 3 is for example understood the flexibility (adaptability) of device, and it can accept the external source steel billet with further processing.In this, the external source steel billet may be too thick so that can't with in thick conticaster cast steel billet, have the special composition that limits its production, or only be some additional steel billets, so that replacement company's casting machine is produced product.Rolling and the ability of stacking slab ingot of external source steel billet can make casting be operated independently of one another with rolling can the separation.
Example 4
According to following rolling mill practice process, from 51/2 inch (139.7mm) thick cast slab produce one 48 inches (1219.2mm) wide * sheet metal of the high-carbon steel (0.51～0.95) of the scroll that 0.125 inch (3.175mm) is thick.
Example 4 (tandem reversable mill) 24.000 tons of (21.772 tonnes) 1000. pounds of/inch width rolling mill practice processes HSM (hot-rolled band machine)-48.00 (1219.2mm)-5.5000 (139.7mm)/.1250 (3.175mm)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter The % reduction The decrement inch The decrement millimeter The angle of nipping The length foot The length millimeter Second in elapsed time
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ??FCE： ??TF1： ??TF2： ??TF2： ??TF1： ??TF1： ??TF2： ??TF2： ??TF1： ??TF1： ??TF2： ???5.5000 ???3.9350 ???2.5200 ???1.6500 ????.9850 ????.5600 ????.3500 ????.2450 ????.1830 ????.1470 ????.1250 ???139.700 ????99.949 ????64.008 ????41.910 ????25.019 ????14.224 ?????8.890 ?????6.223 ?????4.648 ?????3.734 ?????3.175 ??????.0 ????28.5 ????36.0 ????34.5 ????40.3 ????43.1 ????37.5 ????30.0 ????25.3 ????19.7 ????15.0 ????.000 ???1.565 ???1.415 ????.870 ????.665 ????.425 ????.210 ????.105 ???0.620 ????.036 ????.022 ????0.00 ???39.75 ???35.94 ???22.10 ???16.89 ???10.80 ????5.33 ????2.67 ????1.57 ????0.91 ????0.56 ?????.00 ???17.99 ???17.10 ???13.39 ???11.70 ????9.35 ????6.57 ????4.64 ????3.57 ????2.72 ????2.12 ??????53.5 ??????74.8 ?????116.9 ?????178.5 ?????299.0 ?????525.8 ?????841.3 ????1201.9 ????1609.1 ????2003.2 ????2355.8 ?????16.3 ?????22.8 ?????35.6 ?????54.4 ?????91.1 ????160.3 ????256.4 ????366.3 ????490.5 ????610.6 ????718.0 ??????.00 ?????8.76 ????14.98 ????39.52 ????44.03 ????87.35 ????91.40 ???153.78 ???157.51 ???230.60 ???230.60
Example 4 (tandem can send milling train)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter Enter temperature Enter temperature ℃
Before After Difference Before After Difference
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ????FCE： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ???5.5000 ???3.9350 ???2.5200 ???1.6500 ????.9850 ????.5600 ????.3500 ????.2450 ????.1830 ????.1470 ????.1250 139.700 ?99.949 ?64.008 ?41.910 ?25.019 ?14.224 ??8.890 ??6.223 ??4.648 ??3.734 ??3.175 ??2250.0 ??2225.0 ??2208.4 ??2131.5 ??2120.1 ??2119.4 ??2093.5 ??1879.0 ??1882.3 ??1835.9 ??1762.7 ??2250.0 ??2214.4 ??2206.1 ??2208.1 ??2161.8 ??2025.2 ??2036.7 ??2014.6 ??1954.2 ??1776.8 ??1767.6 ??????.0 ????10.7 ?????2.3 ????76.6 ????41.7 ????94.2 ????56.9 ???135.6 ????71.9 ????59.1 ?????4.9 ????1232.2 ????1218.3 ????1209.1 ????1166.4 ????1160.1 ????1159.7 ????1145.3 ????1026.1 ????1027.9 ????1002.2 ?????961.5 ????1232.2 ????1212.4 ????1207.8 ????1208.9 ????1183.2 ????1107.3 ????1113.7 ????1101.4 ????1067.9 ?????969.3 ?????964.2 ?????0.0 ?????5.9 ?????1.3 ????42.6 ????23.1 ????52.3 ????31.6 ????75.3 ????39.9 ????32.8 ?????2.7
Example 4 (tandem can send milling train)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter Outlet temperature Outlet temperature ℃
Before After Difference Before After Difference
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ????FCE： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ???5.5000 ???3.9350 ???2.5200 ???1.6500 ????.9850 ????.5600 ????.3500 ????.2450 ????.1830 ????.1470 ????.1250 139.700 ?99.949 ?64.008 ?41.910 ?25.019 ?14.224 ??8.890 ??6.223 ??4.648 ??3.734 ??3.175 ??2250.0 ??2225.0 ??2208.4 ??2131.5 ??2120.1 ??2119.4 ??2093.5 ??1879.0 ??1882.3 ??1835.9 ??1762.7 ??2250.0 ??2214.4 ??2206.1 ??2208.1 ??2161.8 ??2025.2 ??2036.7 ??2014.6 ??1954.2 ??1776.8 ??1767.6 ??????.0 ????10.7 ?????2.3 ????76.6 ????41.7 ????94.2 ????56.9 ???135.6 ????71.9 ????59.1 ?????4.9 ????1232.2 ????1212.0 ????1213.6 ????1162.8 ????1168.7 ????1162.0 ????1145.9 ????1033.8 ????1033.1 ?????988.7 ?????947.1 ????1232.2 ????1209.7 ????1213.1 ????1189.9 ????1188.3 ????1118.6 ????1123.1 ????1093.7 ????1059.1 ?????971.2 ?????962.8 ?????0.0 ?????2.3 ?????0.4 ????27.1 ????19.7 ????43.4 ????22.8 ????59.9 ????26.0 ????17.4 ????15.6
Example 4 (tandem can send milling train)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter Roll-force pound * 10 **6 Roll-force newton * 10 **6
Before After Before After
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ????FCE： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ???5.5000 ???3.9350 ???2.5200 ???1.6500 ????.9850 ????.5600 ????.3500 ????.2450 ????.1830 ????.1470 ????.1250 139.700 ?99.949 ?64.008 ?41.910 ?25.019 ?14.224 ??8.890 ??6.223 ??4.648 ??3.734 ??3.175 ???.0000 ??3.3819 ??3.7790 ??3.6795 ??3.9123 ??3.9918 ??3.4093 ??3.5301 ??2.9834 ??2.6765 ??2.4248 ?????.0000 ????3.3961 ????3.7821 ????3.4730 ????3.7526 ????4.4220 ????3.6004 ????3.0166 ????2.7839 ????2.8334 ????2.2978 ?????0.0000 ????15.0427 ????16.8090 ????16.3664 ????17.4019 ????17.7555 ????15.1646 ????15.7019 ????13.2702 ????11.9051 ????10.7855 ?????0.0000 ????15.1059 ????16.8228 ????15.4479 ????16.6916 ????19.6691 ????16.0146 ????13.4178 ????12.3828 ????12.6030 ????10.2206
Example 4 (tandem can send milling train)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter Moment of torsion lb-fts 10 **6 Moment of torsion Jiao Er * 10 **6
Before After Before After
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ??FCE： ??TF1： ??TF2： ??TF2： ??TF1： ??TF1： ??TF2： ??TF2： ??TF1： ??TF1： ??TF2： ?5.5000 ?3.9350 ?2.5200 ?1.6500 ??.9850 ??.5600 ??.3500 ??.2450 ??.1830 ??.1470 ??.1250 139.700 ?99.949 ?64.008 ?41.910 ?25.019 ?14.224 ??8.890 ??6.223 ??4.648 ??3.734 ??3.175 ?0.0000 ?1.4016 ?1.4872 ?1.1318 ?1.0476 ??.8474 ??.5011 ??.3596 ??.2282 ??.1515 ??.1027 ??.0000 ?1.4076 ?1.4884 ?1.0683 ?1.0048 ??.9387 ??.5292 ?.30736 ??.2129 ??.2595 ??.0980 ??0.0000 ??1.9002 ??2.0163 ??1.5344 ??1.4023 ??1.1489 ??0.6794 ??0.4875 ??0.3094 ??0.2054 ??0.1392 ??0.0000 ??1.9084 ??2.0179 ??1.4483 ??1.3623 ??1.2726 ??0.7175 ??0.4166 ??0.2886 ??0.2162 ??0.1329
Example 4 (tandem can send milling train)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter Power Power kilowatt
Before After Before After
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ????FCE： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ???5.5000 ???3.9350 ???2.5200 ???1.6500 ????.9850 ????.5600 ????.3500 ????.2450 ????.1830 ????.1470 ????.1250 139.700 ?99.949 ?64.008 ?41.910 ?25.019 ?14.224 ??8.890 ??6.223 ??4.648 ??3.734 ??3.175 ??????0. ??16321. ??27040. ??18428. ??28572. ??19680. ??18623. ??12209. ??10373. ???5855. ???4669. ???????0. ???16390. ???27062. ???17393. ???27405. ???21801. ???19667. ???10433. ????9679. ????6164. ????4454. ???0.0000 ????12171. ????20164. ????13742. ????21306. ????14675. ????13887. ?????9104. ?????7735. ?????4366. ?????3482. ???0.0000 ????12222. ????20180. ????12970. ????20435. ????16257. ????14666. ?????7780. ?????7218. ?????4596. ?????3321.
Example 4 (tandem can send milling train)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter Duty factor MS time/second
Before After
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ????FCE： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ???5.5000 ???3.9350 ???2.5200 ???1.6500 ????.9850 ????.5600 ????.3500 ????.2450 ????.1830 ????.1470 ????.1250 139.700 ?99.949 ?64.008 ?41.910 ?25.019 ?14.224 ??8.890 ??6.223 ??4.648 ??3.734 ??3.175 ??.0000 ?2.3824 ?2.5278 ?1.9238 ?2.0408 ?1.4403 ?1.3302 ??.8721 ??.7409 ??.4182 ??.3335 ??.0000 ?2.3925 ?2.5299 ?1.8158 ?1.9575 ?1.5955 ?1.4048 ??.7452 ??.6914 ??.4403 ??.3181 ??????.00 ????49.95 ????56.05 ????85.81 ????90.35 ????99.81 ????76.83 ????40.79 ????30.95 ????13.47 ?????7.50
Tandem reversable mill peak production volume: reeling for 374.68 tons/hour begins to roll Taoist monastic name: 4 *TF1 *The tandem mill train begins to roll Taoist monastic name: 1 *TF1 *Spacing between cFce#1 and the milling train: spacing between 35.00 feet (10.7 meters) milling trains and the CFce#2: 35.00 feet (10.7 meters) coiler furnace diameters: 54.00 inches (1371.6 millimeters) coiler furnace temperature: 1650; 00 °F of (898,89 ℃) acceleration/deceleration ratio: the last anterior temperature of 250.00 feet per seconds (76.2 meter per second) (under TS): 1736.86 °F (947.14 ℃) last rear part temperature (under TS): 1765.03 °F (962.79 ℃)
Example 5
According to following rolling mill practice process from 5 inches (127mm) mild steel cast slabs one 60 inches (1524mm) wide * sheet metal of 0.100 inch (2.54mm) wide scroll.
Example 5 (tandem reversable mill) 30.000 tons of (27.216 tonnes) 1000. pounds of/inch width rolling mill practice processes HSM (hot-rolled band machine)-60.00 (1524mm) 5.5000 (127mm)/.1000 (2.54mm)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter The % reduction The decrement inch The decrement millimeter The angle of nipping The length foot The length millimeter Second in elapsed time
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ??FCE： ??TF1： ??TF2： ??TF2： ??TF1： ??TF1： ??TF2： ??TF2： ??TF1： ??TF1： ??TF2： ??5.5000 ??3.7000 ??2.4000 ??1.3570 ???.8250 ???.4580 ???.2920 ???.2085 ???.1500 ???.1176 ???.1000 ??139.700 ???93.980 ???60.960 ???34.925 ???20.955 ???11.633 ????7.417 ????5.296 ????3.810 ????2.987 ????2.540 ??????.0 ????26.0 ????35.1 ????42.7 ????40.0 ????44.5 ????36.2 ????28.6 ????28.1 ????21.6 ????15.0 ????.000 ???1.300 ???1.300 ????1025 ????.550 ????.367 ????.166 ????.083 ????.058 ????0.32 ????0.18 ????0.00 ???33.02 ???33.02 ???26.04 ???13.97 ????9.32 ????4.22 ????2.11 ????1.47 ????0.81 ????0.46 ?????.00 ???17.37 ???17.37 ???15.41 ???11.28 ????9.21 ????6.19 ????4.39 ????3.67 ????2.73 ????2.01 ??????58.9 ??????79.6 ?????122.7 ?????214.1 ?????356.9 ?????642.9 ????1008.4 ????1412.2 ????1963.0 ????2503.8 ????2944.5 ?????18.0 ?????24.3 ?????37.4 ?????65.3 ????108.8 ????196.0 ????307.4 ????430.4 ????598.3 ????763.2 ????897.5 ???????.00 ??????9.20 ?????15.29 ?????40.09 ?????44.52 ?????87.66 ?????92.02 ????154.38 ????158.35 ????230.99 ????230.99
Example 5 (tandem reversable mill) 30.000 tons of (27.216 tonnes) 1000. pounds of/inch width rolling mill practice processes HSM (hot-rolled band machine)-60.00 (1524mm)-5.0000 (127mm)/.1000 (2.54mm)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter Enter temperature Enter temperature ℃ Outlet temperature Outlet temperature ℃
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ????FCE： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ???5.0000 ???3.7000 ???2.4000 ???1.3750 ????.8250 ????.4580 ????.2920 ????.2085 ????.1500 ????.1176 ????.1000 ??127.000 ???93.980 ???60.960 ???34.925 ???20.955 ???11.633 ????7.417 ????5.296 ????3.810 ????2.987 ????2.540 ????2300.00 ????2257.40 ????2240.90 ????2150.30 ????2146.10 ????2133.40 ????2014.20 ????1857.00 ????1856.80 ????1790.80 ????1712.50 ????1260.00 ????1236.33 ????1227.17 ????1176.83 ????1174.50 ????1167.44 ????1101.22 ????1013.89 ????1013.78 ?????977.11 ?????933.61 ??2300.00 ??2245.50 ??2244.50 ??2149.90 ??2156.40 ??2040.00 ??2008.40 ??1844.40 ??1845.10 ??1757.90 ??1677.20 ??1260.00 ??1229.72 ??1229.17 ??1176.61 ??1180.22 ??1115.56 ??1098.00 ??1006.89 ??1007.28 ???958.83 ???914.00
Example 5 (tandem reversable mill) 30.000 tons of (27.216 tonnes) 1000. pounds of/inch width rolling mill practice processes HSM (hot-rolled band machine)-62.00 (1524mm)-5.0000 (122mm)/.1000 (2.54mm)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter Roll-force pound * 10 **6 Roll-force newton * 10 **6 Moment of torsion lbin * 10 **6 Moment of torsion Jiao Er * 10 **6
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ??FCE： ??TF1： ??TF2： ??TF2： ??TF1： ??TF1： ??TF2： ??TF2： ??TF1： ??TF1： ??TF2： ???5.0000 ???3.7000 ???2.4000 ???1.3750 ????.8250 ????.4580 ????.2920 ????.2085 ????.1500 ????.1176 ????.1000 ???127.00 ???93.980 ???60.960 ???34.925 ???20.955 ???11.633 ????7.417 ????5.296 ????3.810 ????2.987 ????2.540 ?????.0000 ????2.6914 ????3.1851 ????3.8551 ????3.2415 ????3.9262 ????3.1308 ????2.9526 ????1.8790 ????2.6673 ????2.2102 ???0.0000 ??11.9713 ??14.1673 ??17.1475 ??14.4182 ??17.4637 ??13.9258 ??13.1332 ??12.8058 ??11.8642 ???9.8310 ????.0000 ????.9614 ???1.1359 ???1.2119 ????.7469 ????.7340 ????.3886 ????.2559 ????.2052 ????.1368 ????.0801 ????0.0000 ????1.3034 ????1.5400 ????1.6430 ????1.0126 ????0.9951 ????0.5268 ????0.3469 ????0.2782 ????0.1855 ????0.1086
Example 5 (tandem reversable mill) 30.000 tons of (27.216 tonnes) 1000. pounds of/inch width rolling mill practice processes HSM (hot-rolled band machine)-60.00 (1524mm)-5.0000 (122mm)/.1000 (2.54mm)
Roll Taoist monastic name The mill stand title The thickness inch The thickness millimeter Power Power kilowatt Duty factor During RMS/second
????0 ????1 ????2 ????3 ????4 ????5 ????6 ????7 ????8 ????9 ????10 ????FCE： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ????TF2： ????TF1： ????TF1： ????TF2： ???5.0000 ???3.7000 ???2.4000 ???1.3750 ????.8250 ????.4580 ????.2920 ????.2085 ????.1500 ????.1176 ????.1000 ??127.000 ???93.980 ???60.960 ???34.925 ???20.955 ???11.633 ????7.417 ????5.296 ????3.810 ????2.987 ????2.540 ????????0. ????12731. ????23190. ????27833. ????28591. ????23884. ????19835. ????11744. ????13091. ?????7420. ?????5110. ?????0.00 ?????9494. ????17293. ??20755.1 ??21320.1 ??17810.1 ???14791. ????8757. ????9762. ????5533. ????3811. ????.0000 ???1.4293 ???1.6888 ???1.8817 ???1.2744 ???1.0912 ????.8855 ????.5243 ????.5814 ????.3313 ????.2281 ??????.00 ????16.91 ????26.32 ????76.11 ????35.96 ????50.88 ????30.50 ????14.69 ????19.46 ?????7.43 ?????3.12
Tandem reversable mill peak production volume: reeling for 467.52 tons/hour begins to roll Taoist monastic name: 4 *TF1 *Spacing between CFce#1 and the milling train: spacing between 27.00 feet (8.2 meters) milling trains and the CFce#2: 27.00 feet (8.2 meters) coiler furnace diameters: 54.00 inches (1371.6 millimeters) coiler furnace temperature: 1750.00 °F of (954.44 ℃) acceleration/deceleration ratios: 250.00 feet per seconds (76.2 meter per second) end temperatures (under TS): 1677.17 °F (913.98 ℃)
Example 4 and 5 shows the producible level range of relevant the present invention, and the present invention can provide the product to the needed broadness of competitive milling train to mix (ratio).
In Fig. 3 A and 3B, illustrated the third embodiment of the present invention in thick conticaster and online (in-line arrangement) hot-rolled band and sheet material production line.The 3rd embodiment is similar to two examples of first embodiment, it comprises the electric smelter 226 of the upstream end that is arranged on band and sheet material production line 225, the shearing device 234 of the port of export containing steel stove 228, conticaster 230, mould 232 and be placed in mould 232 with 3.5 to 6 inches thick steel billets that cut into Len req this moment frozen metal made-up belt (in thick), and this steel billet also has 24 to 120 inches width.
In addition, steel billet is transported to output area by roller bed type conveyer 236, in output area, can be directly packs into steel billet in the stove 242 or leaves in the steel billet reservoir vessel 280, otherwise it was shifted out 2 and store from steel billet concentrated area 240 from online adding.If before rolling, when for example needing to store cast slab, just preferably steel billet is left in the steel billet reservoir vessel 280 owing to the maintenance of rolling mill.Need can utilize steel billet concentrated area 240 usually such as the additional processing occasion of processing with the steel slab surface of hand scarfing.In walking beam furnace, show full-size steel billet 244 and discrete-length steel billet 246.The steel billet 238 that is placed on steel billet concentrated area 240 also can be pushed in the stove 242 by steel billet pusher 248 or loading arm equipment, and pusher or loading arm equipment are as indirectly slab being packed in the walking beam furnace 242 and be provided with.Also might pack the steel billet reservoir vessel 280 of steel billet on delivering to roller conveyor 236 stove 242 into.As mentioned above, in the occasion that steel billet is introduced from the off-line place, stove must have the ability of increase heat so that steel billet reaches rolling temperature.The steel billet reservoir vessel then will make the requirement of this off-line steel billet of shipment reduce to minimum.
Various steel billets are transported to the stove 242 of back.The 3rd embodiment operation is same with above-mentioned two embodiment that discuss basically.The 3rd embodiment comprises steel billet withdrawing device 250, feeding and return roller table 252, descaler 253, vertical edger 254 and at the coiler furnace 258 and 260 of reversible hot milling roll 256 upstream and downstreams in feeding and return roller table 252 downstreams.The coiling machine 266 in cooling stations 262, cooling stations downstream, coil buggy 267, a sheet material roller-way 264, an edge-trimming machine 268, transfer roller-way 270 and comprise the last machining line 271 of sheet material side edge-trimming machine 272, sheet material crop(ping)shears 274 and sheet material handler 276.
Fig. 3 B is illustrated in a kind of remodeling of the embodiment of continuous-casting of steel billet machine illustrated among Fig. 3 A and online milling train.Near some steel billet reservoir vessels 280 and 280 ' be positioned in roller conveyor 236, Fig. 3 B is identical with Fig. 3 A.Postponing under the downstream operation situation the second steel billet reservoir vessel 280 ' provide additional capacity for depositing steel billet significantly.But, second or more steel billet reservoir vessels 280 ' increase the possibility that the steel billet procedureization also is provided.This can just selectively take out steel billet by steel billet being guided into suitable steel billet reservoir vessel 280,280 ' be that some order of priority of steel billet and the variation of order are got ready from these steel billet reservoir vessels.
Fig. 4 represents first embodiment of a steel billet reservoir vessel 280.Steel billet reservoir vessel 280 comprises that one is installed to balladeur train 282 on the guide rail 286 by roller 284, and guide rail then is arranged on steel billet and keeps in the hole 288.As the upper surface 292 of balladeur train 282, steel billet keeps the wall in hole 288 suitably to be isolated, and the upper surface of this balladeur train engages and support the minimum steel billet of a pile steel billet.Shown in the phantom of Fig. 4, one movably insulation cover 294 be provided with for the cover cap steel billet keeps hole 288 and steel billet heap.Some steel billet pushers 296 are provided with for the slab that pushes and shift out the steel billet heap in the steel billet reservoir vessel 280.Steel billet reservoir vessel 280 can be as lower-pilot: the upper surface 292 that can be pushed into the lowest steel billet of a pile steel billet balladeur train 282 by steel billet pusher 296.Then, make balladeur train 282 downward slippages one be substantially equal to the distance of steel billet thickness, thereby second steel billet can directly be pulled on the end face of initial steel billet by steel billet pusher 296.After this heap steel billet being put into steel billet reservoir vessel 280, lid 294 can be covered on steel billet and keep the top of hole 288 to keep the heat of inside steel billet.
Being configured to deposit a pile steel billet of steel billet reservoir vessel 280 and simple and effective means are provided, these means also make required floor space reduce to minimum.In addition, the heat utilization (benefit) of on end face each other, directly stacking steel billet and making the maintenance of accumulation steel billet contact each other and reach thicker steel billet.Arrange that by this accumulation the temperature loss that can make each steel billet reduces to minimum.
Fig. 5 be one according to steel billet reservoir vessel 280 of the present invention ' the side view of another embodiment.The balladeur train 282 of steel billet reservoir vessel 280 ' a comprise frame 298 ' supported '.Balladeur train 282 ' can on frame 298, vertically move.The steel billet engaging arms 300 that settle a pair of front and back of balladeur train 282 ' comprise.As shown in Figure 6, in the abutment 302 of each engaging arms 300 and a pile steel billet two side engagement of the lowest steel billet to clamp and to support this to steel billet.Best, with hydraulic way operation steel billet engaging arms 300 to push or the combining of disengaging and steel billet.Except push and the engaging of disengaging and steel billet, steel billet engaging arms 300 preferably movably so that adapt to the steel billet of different in width.Side thermal insulation board 306 is attached on each steel billet engaging arms 300.As shown in Figure 6, the top thermal insulation board 306 of opposed steel billet engaging arms 300 moves overlapped so that steel billet engaging arms 300, and this moving can be the steel billet that adapts to different in width and create conditions.
Steel billet reservoir vessel 280 ' with the method operation that is similar to above-described steel billet reservoir vessel 280 also has confers similar advantages.In operation, with position, the starting steel billet engaging arms 300 of balladeur train 282 ' drop to steel billet top so that securely steel billet is clipped in therebetween and steel billet is remained on wherein promote again under the situation balladeur train 282 '.For second steel billet being added on the steel billet heap, fall balladeur train 282 ', thereby, can be placed on steel billet above second steel billet of waiting to be placed on this heap steel billet.Steel billet engaging arms 300 and the first steel billet balladeur train that moves down are separated so that abutment 302 is arranged in a straight line with the lowest steel billet new in this heap steel billet, and steel billet engaging arms 300 clamps together with the lowest new steel billet in this a pile steel billet and contacts, repeat this method, be positioned in the heap up to all steel billets, and this method can process put upside down with from the heap shift out steel billet.
As mentioned above, steel billet reservoir vessel 280 ' provide the advantage that keeps of minimum space (floor space), active force and the efficient heat of the such steel billet of steel billet reservoir vessel 280 as previously discussed.In addition, steel billet reservoir vessel 280 ' provide a top system that can be directly installed on the steel billet rollgang, further make the required floor space of whole systems reduce to minimum.
Although the present invention has done suitable detailed description in conjunction with some optimal varied embodiment, other variation also is possible, therefore, and the explanation of the optimal varied that the scope of the spirit of appending claims should be not limited to wherein to be comprised.

Claims (10)

1. an interior thickness bloom slab conticaster comprises with online hot-rolled band and sheet material machining line:
A. a Strip casting machine that forms interior thickness cast steel base;
B. one be used for that described made-up belt cut into the bloom slab of Len req and be positioned at described conticaster downstream at wire cutting machine;
C. a bloom slab that is used for optionally storing with selected bloom slab sequencing stores and sequence unit;
D. has a reheating furnace that is positioned at described storage and sequence unit downstream at least;
E. a feeding and a return roller table that is positioned at the port of export of described at least one reheating furnace;
F. a bloom slab that is used for exporting from reheating furnace roll into intermediate products that a thickness is enough to reel and with feeding and the online reversible hot milling roll device of return roller table;
G. a pair of coiler furnace, one is positioned at the upstream of described reversible hot milling roll, another is positioned at the downstream of described reversible hot rolling, when middle product between two coiler furnaces by and when passing described reversible hot milling roll device, described coiler furnace is accepted and is discharged intermediate products it is rolled the thickness to final products.
By the described equipment of claim 1 it is characterized in that also comprising one with the online bloom slab rollgang of described cutting machine, wherein, described bloom slab sequencing and storage device comprise:
One bloom slab transfer device near described bloom slab conveying device, it operably crosses described bloom slab rollgang and is communicated with described feeding and return roller table; And
One concentrates the storage area near the bloom slab of described bloom slab transfer device, and it is suitable for optionally accepting the bloom slab from transfer device.
3. equipment according to claim 2 is characterized in that also comprising a pair of described reheating furnace,
One the first described reheating furnace between described feeding and return roller table and described bloom slab rollgang,
One near described first reheating furnace and be positioned at second reheating furnace in its downstream, it have one with the online input of described bloom slab rollgang, and one and described feeding and the online output of return roller table.
4. by the described equipment of claim 1, it is characterized in that described feeding and return roller table and the online setting of described cutting machine, it is suitable for, and directly reception is from the bloom slab of cutting machine, and wherein bloom slab sequencing and storage device comprise:
One bloom slab near described feeding and return roller table shifts roller-way, and it operably crosses described feeding and return roller table so that optionally remove described bloom slab from described feeding and return roller table;
One bloom slab rollgang near described bloom slab transfer roller-way, it is suitable for receiving the bloom slab that shifts roller-way from described bloom slab; And
The bloom slab of one close described bloom slab rollgang is left the zone concentratedly, and it is suitable for receiving the bloom slab from described bloom slab rollgang.
5. by the described equipment of claim 1, it is characterized in that also comprising one with the online bloom slab rollgang of described cutting machine, wherein, described bloom slab storage and sequence unit comprise close described bloom slab rollgang and are provided with at least one reservoir vessel that vertically can stow bloom slab, wherein, described band steel piece reservoir vessel comprises that one is used to support the movably vertical balladeur train of described bloom slab heap.
6. the method for the flat metal base of processing comprises following operation:
A) continuous pouring one interior thickness cast steel base;
B) described cast steel base is cut into the steel billet of some predetermined lengths;
C) selectively each described steel billet is supplied with give one of following:
(1) one continuous machining line, it comprises a reversible hot milling roll, hot-rolling mill is included in its upstream and downstream side and respectively has a coiler furnace;
(2) one online heating furnaces, described steel billet is directed to described continuous process line from heating furnace;
(3) one bloom slab storage areas, and then described bloom slab is transferred to described online heating furnace;
D) make described bloom slab to be processed to and fro the flat pass by described reversible hot milling roll or mill train to form the thickness of intermediate products of being reeled;
E) described intermediate products are wound on one of described coiler furnace, and
F, with described rolling intermediate products to and fro by described reversible hot milling roll with final products with calendering of described rolling intermediate products or desired thickness, each concentrates on described intermediate products after by described reversible hot milling roll in separately the described coiler furnace and from wherein output.
7. by the described method of claim 6, it is characterized in that also comprising that the described bloom slab of not cast gets at least one bloom slab to be processed and supply with described online or online heating furnace and described continuous machining line from the storage area from described interior thickness bloom slab conticaster.
8. by the described method of claim 7, it is characterized in that described bloom slab storage area comprises at least one bloom slab container that can vertically stow.
9. by the described method of claim 6, it is characterized in that described bloom slab storage area comprises concentrating and the storage area of a bloom slab, wherein, is provided with one second heating furnace near described online heating furnace.
10. a bloom slab reservoir vessel between conticaster and reversible hot milling roll, it is characterized in that being suitable for optionally accepting bloom slab from described conticaster, described container comprises vertically moving balladeur train, it is suitable for engaging with the lowermost bloom slab of piling at the described slab of internal tank, wherein, the described bloom slab in described heap directly contacts each other.
CN96101619A 1995-01-11 1996-01-11 Intermediate thickness steel slab continuous casting machine and multiple furnace process line with slab storage and slab sequencing Pending CN1136477A (en)

Applications Claiming Priority (6)

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US08/371,135 US5579569A (en) 1992-05-12 1995-01-11 Slab container
US08/371,408 1995-01-11
US08/371,135 1995-01-11
US08/371,407 1995-01-11
US08/371,407 US5544408A (en) 1992-05-12 1995-01-11 Intermediate thickness slab caster and inline hot strip and plate line with slab sequencing
US08/371,408 US5511303A (en) 1992-05-12 1995-01-11 Intermediate thickness and multiple furnace process line

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* Cited by examiner, † Cited by third party
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CN100528387C (en) * 1997-11-26 2009-08-19 石川岛播磨重工业株式会社 A hot rolled steel sheet manufacturing method
CN100357044C (en) * 2003-02-04 2007-12-26 Sms迪马格股份公司 Method for milling thin and/or thick slabs made of steel materials into hot-rolled strip
CN111315502A (en) * 2017-11-03 2020-06-19 株式会社Posco Continuous casting and rolling apparatus and continuous casting and rolling method
CN108856301A (en) * 2018-07-05 2018-11-23 中铝瑞闽股份有限公司 A kind of the logistics route planning and control method of cold rolling palletized transport line
CN113770344A (en) * 2021-08-31 2021-12-10 中冶赛迪工程技术股份有限公司 Arrangement structure and operation method for cast blank cleaning and stockpiling area

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MY119708A (en) 2005-07-29
TR199600018A2 (en) 1996-08-21
TW336184B (en) 1998-07-11
UA45316C2 (en) 2002-04-15
PL312237A1 (en) 1996-07-22
AU4083996A (en) 1996-07-18
EP0726101A1 (en) 1996-08-14
JPH08267101A (en) 1996-10-15
CA2165700A1 (en) 1996-07-12
RU2114708C1 (en) 1998-07-10
BR9600046A (en) 1998-01-21
MX9600191A (en) 1997-01-31
KR960029004A (en) 1996-08-17
SG49579A1 (en) 1998-06-15

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