US20070200281A1 - Device For Producing A Hot-Rolled Thermal Strip, Especially Made Of Strip-Type Continuous Casting Material - Google Patents

Device For Producing A Hot-Rolled Thermal Strip, Especially Made Of Strip-Type Continuous Casting Material Download PDF

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Publication number
US20070200281A1
US20070200281A1 US10/563,264 US56326404A US2007200281A1 US 20070200281 A1 US20070200281 A1 US 20070200281A1 US 56326404 A US56326404 A US 56326404A US 2007200281 A1 US2007200281 A1 US 2007200281A1
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Prior art keywords
furnace
casting
arrangement
fact
accordance
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Abandoned
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US10/563,264
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English (en)
Inventor
Christoph Klein
Jurgen Muller
Karl Rittner
Dieter Rosenthal
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SMS Siemag AG
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Individual
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Application filed by Individual filed Critical Individual
Assigned to SMS DEMAG AG reassignment SMS DEMAG AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ROSENTHAL, DIETER, RITTNER, KARL, MULLER, JURGEN, KLEIN, CHRISTOPH
Publication of US20070200281A1 publication Critical patent/US20070200281A1/en
Assigned to SMS SIEMAG AKTIENGESELLSCHAFT reassignment SMS SIEMAG AKTIENGESELLSCHAFT CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: SMS DEMAG AG
Priority to US13/400,897 priority Critical patent/US20120144638A1/en
Abandoned legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0007—Cutting or shearing the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—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
    • B21B2001/225—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 by hot-rolling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5184—Casting and working

Definitions

  • the invention concerns an arrangement for producing hot-rolled steel strip, which comprises at least one continuous casting machine, at least one shear, at least one soaking furnace, a descaler, possibly a roughing train, a finishing train (multi-stand rolling mill or Steckel mill(s)), a roller table with a cooling zone, and at least one coiling reel for the hot strip.
  • the casting machine, the shear, the reheating/soaking furnace, the multistand rolling mill, the runout roller table with cooling zone, and coiling reel are arranged in line.
  • the casting machines and the reheating furnaces are arranged side by side parallel to one another.
  • the slabs are transferred to the pass line by so-called transport ferries.
  • An installation concept of this type requires installation lengths of 300-500 m.
  • the document DE 42 36 307 A1 discloses a method and an arrangement for producing hot-rolled steel strip from continuously cast feed material, preferably thin slabs, wherein after the feed material cast in the casting machine has solidified, it is cut by shears to suitable lengths that correspond to the desired coil weight.
  • the thin slabs are homogenized in a soaking furnace, roughed in a roughing train, finish rolled in a finishing train, cooled in a cooling zone, and coiled on a coiler.
  • the thin slabs are heated to temperatures above 1,150° C. after the homogenization and before the first roughing pass.
  • the slabs are then roughed, and the roughed strip is recrystallized and cooled to the rolling temperature for the finishing train and then finish rolled.
  • the installation for producing hot-rolled strip includes two parallel continuous casting machines with two shears and two soaking furnaces.
  • the soaking furnaces are followed by a thin-slab transport ferry with a ferry car.
  • the ferry car is used to transport the thin slabs alternately from each soaking furnace to the other pass line.
  • a storage facility for the cast thin slabs is provided after the transport ferry.
  • the storage facility can be heated or unheated and is arranged in line with the rolling train.
  • the document DE 40 41 206 A1 describes a method and an installation for producing hot-rolled steel strip, especially for high-grade steels consisting of continuously cast feed material.
  • the feed material cast in the casting machine is allowed to solidify and is then cut to length to produce thin slabs, which are homogenized and heated to rolling temperature in a soaking furnace, fed into a rolling mill, and finish rolled to predetermined final dimensions in a series of passes.
  • a thin slab is transferred from the soaking furnace to a ferry, which moves it laterally from its original position in the line with the continuous casting machine to a parallel line of a rolling train, and simultaneously or previously, a section of the roller table corresponding to the ferry is moved, likewise transversely, out of the line of the rolling train.
  • the thin slab is then accelerated out of the ferry to rolling speed, fed into the rolling train, and roughed into a coilable coil in an initial run.
  • a hot box in which it is coiled to prevent temperature loss.
  • the roller table segment and, simultaneously or previously, the ferry are moved back into their original positions, the rolling mill is changed over to reversing operation, and the strip is uncoiled from the coiler of the hot box in reversing operation, finish rolled, run out of the now last stand via the roller table, and coiled into a coil in a terminal coiling station.
  • the document WO 92/00815 concerns an installation for producing hot-rolled strip that has been rolled out from previously cast thin slabs.
  • the installation consists of a casting machine with a ladle and tundish for the molten steel and a mold, into which the cast steel flows from the tundish, and the thin slab emerges at the lower end of the mold.
  • the casting machine is followed by a roughing mill, which is followed by a shearing device, in which the cast strip is cut to slab length.
  • an induction furnace as a temperature homogenization and reheating furnace, which is followed by a hot box for the prestrip, which has been reduced in thickness.
  • Downstream of the hot box there is a multistand rolling mill, a roller table with a cooling zone, a finish rolling mill, and a coiler for the finish rolled hot-rolled strip.
  • a common feature of the aforementioned prior art is that all of the units and machines of the installation are arranged in a line. These plant concepts result in considerable installation lengths, regardless of whether these installations are arranged side by side in line and are connected with one another with ferries.
  • the document DE 32 41 745 A1 discloses an arrangement for producing hot-rolled steel strip that consists of a casting machine, shear, coiling device, furnace, uncoiling device, hot box, rolling stand, hot box, and underfloor coiler.
  • the plant components are arranged in line parallel to one another and are connected with one another by the rotary hearth furnace.
  • This document discloses that the casting and rolling direction are oppositely oriented, so that the plant can be housed in the smallest possible space.
  • a prerequisite here is that a coiling device and an uncoiling device are part of the plant.
  • the document EP 0 045 400 A1 discloses an installation for the casting and rolling of metals to produce rod and wire sections, which consists of a casting machine, secondary cooling line, temperature homogenization line, a drive unit, separating shear, a transversely displaceable roughing train, a first intermediate train, a curved 180° deflecting arrangement, a second intermediate train, a finishing train, a primary cooling line, a laying head, a secondary cooling line and a collecting station.
  • This document discloses that the casting and rolling direction are oppositely oriented.
  • casting is carried out only by one casting machine at a time.
  • the roughing train is assigned to the given casting machine by transverse displacement.
  • Rolling units are installed upstream of the reheating furnace, which joins the casting line and pass line.
  • the casting line and pass line are connected by curved deflection of the rolled product.
  • the document GB 2 302 054 A discloses an installation for the casting and rolling of a thin slab, e.g., with a thickness of 80 mm, which consists of a casting machine, shear, roller hearth furnace, heatable rotary table, roughing stand, roller hearth furnace, shear, descaler, rolling train, and coiler.
  • This document describes an arrangement of the casting and rolling units at an angle of 90°.
  • the casting and rolling line are not oppositely oriented.
  • the document DE 40 41 206 A1 discloses a method for producing hot-rolled steel strip.
  • the pass line is arranged parallel to the casting line, and the two lines are connected by a heatable ferry. Rolling is first carried out in the casting direction with the first rolling stand open. The first stand is then closed, and the strip is finish rolled in reversing operation.
  • the objective of the invention is to create a new plant concept, in which the space requirements and especially the length of the installation are significantly smaller.
  • this objective is achieved by arranging the casting line and the pass line parallel or approximately parallel side by side in such a way that the casting direction and the rolling direction are oriented essentially opposite each other and are connected with each other by a reheating such that the reheating.
  • furnace is a rocker-bar hearth furnace or a walking-beam furnace.
  • this measure very considerably reduces the previously known length of thin-slab installations and for the first time makes available a compact installation for the production of thin strip, such that the reheating furnace feeds the slabs from the casting line to the pass line and at the same time raises the temperature of the slabs to the required initial pass temperature.
  • a rocker-bar hearth furnace or a walking-beam furnace is an especially suitable reheating furnace.
  • the distance between the casting line and the pass line be designed in such a way that a sufficient residence and buffering time in the reheating furnace is guaranteed.
  • the preheating furnace is designed in such a way that at least three slabs and a maximum of twelve slabs can be held in the soaking furnace.
  • the casting line consists of one or more casting machines or several cast strands, which are advantageously positioned at the same height.
  • At least one continuous furnace be arranged between the casting machine and the reheating furnace.
  • at least one continuous furnace it is regarded as advantageous for at least one continuous furnace to be arranged between the rolling mill and the reheating furnace.
  • FIG. 1 shows a functional block diagram that illustrates the oppositely directed arrangement of the casting line and pass line and a soaking furnace connecting the two lines.
  • FIG. 2 shows a functional block diagram that illustrates the oppositely directed arrangement of the casting line and pass line in accordance with FIG. 1 , with the addition of a continuous pusher-type furnace downstream of the casting machine.
  • FIG. 2 a shows a functional block diagram that illustrates the installation in accordance with FIG. 1 , but with a continuous pusher-type furnace assigned to the casting machine and another such furnace assigned to the rolling mill.
  • FIG. 1 shows the compact installation of the invention, in which the casting line GL and pass line WL are arranged parallel to each other and are oppositely directed.
  • the casting line and the pass line are connected by a reheating furnace AO, which acts as a ferry to feed the slabs from the casting line to the pass line and at the same time raises the temperature of the slabs to the required initial pass temperature for the rolling mill WL.
  • a reheating furnace AO acts as a ferry to feed the slabs from the casting line to the pass line and at the same time raises the temperature of the slabs to the required initial pass temperature for the rolling mill WL.
  • At least three slabs and a maximum of twelve slabs can be held in the reheating furnace AO.
  • the distance between the casting line with the casting machine GM and the pass line with the rolling mill WM is designed in such a way that a sufficient residence and buffering time in the reheating furnace is guaranteed.
  • the casting line GL consists of several units and machines. and generally comprises a casting ladle and a tundish for holding the molten metal to be cast, and of a mold, into which the molten metal is poured from the tundish through a pouring nozzle and tube and is cast into a thin slab in the mold. The thin slab is then cooled in a curved support frame and is cut to the so-called coil weight by means of a cut-to-length shearing device. For the sake of simplicity, these parts of the installation are not shown.
  • a stepped rocker-bar hearth furnace or a walking-beam furnace is used as the reheating furnace.
  • the pass line WL consists of a descaler, possibly a roughing stand, a multistand rolling mill, possibly at least one Steckel mill, followed by a roller table with a cooling arrangement for the hot-rolled strip ad followed by at least one coiler for coiling the finish rolled strip to the so-called coil weight.
  • a descaler possibly a roughing stand
  • a multistand rolling mill possibly at least one Steckel mill
  • FIG. 2 and FIG. 2 a show the compact installation of the invention with casting line GL and pass line WL, such that the casting direction of the casting machine GM runs counter to the rolling direction in the rolling mill WW.
  • a continuous furnace in the form of a continuous pusher-type furnace TO is located downstream of the casting machine and upstream of the reheating furnace AO.
  • the compact installation in accordance with FIG. 2 is supplemented by a continuous furnace in the form of a continuous pusher-type furnace TO downstream of the reheating furnace and upstream of the rolling mill.
  • FIG. 3 shows the invention's basic concept of oppositely directed arrangement of the casting line GL and pass line WL, such that a continuous pusher-type furnace TO is located downstream of the casting machine GM, and another continuous pusher-type furnace TO is located upstream of the rolling mill WW, and the two continuous pusher-type furnaces are connected with each other by a swivel ferry SF.
  • FIG. 4 shows an alternative compact installation of the invention with largely oppositely directed casting line and pass line, with which it is possible to allow for different spatial requirements and requirements with respect to floor space in such a way that, for example, the casting line and the pass line are not arranged parallel to each other but rather are arranged relative to each other at a certain angle ⁇ , such that 0° ⁇ 150°.
  • An L-shaped compact installation is preferably arranged with this measure.
US10/563,264 2003-07-03 2004-06-17 Device For Producing A Hot-Rolled Thermal Strip, Especially Made Of Strip-Type Continuous Casting Material Abandoned US20070200281A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/400,897 US20120144638A1 (en) 2003-07-03 2012-02-21 Device for producing a hot-rolled thermal strip, especially made of strip-type continuous casting material

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10330210A DE10330210A1 (de) 2003-07-03 2003-07-03 Vorrichtung zur Herstellung von warmgewalztem Warmband, insbesondere aus bandförmig stranggegossenem Vormaterial
DE10330210.7 2003-07-03
PCT/EP2004/006505 WO2005002749A2 (de) 2003-07-03 2004-06-17 Vorrichtung zur herstellung von warmgewalztem warmband, insbesondere aus bandförmig stranggegossenem vormaterial

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US20070200281A1 true US20070200281A1 (en) 2007-08-30

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US10/563,264 Abandoned US20070200281A1 (en) 2003-07-03 2004-06-17 Device For Producing A Hot-Rolled Thermal Strip, Especially Made Of Strip-Type Continuous Casting Material
US13/400,897 Abandoned US20120144638A1 (en) 2003-07-03 2012-02-21 Device for producing a hot-rolled thermal strip, especially made of strip-type continuous casting material

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US13/400,897 Abandoned US20120144638A1 (en) 2003-07-03 2012-02-21 Device for producing a hot-rolled thermal strip, especially made of strip-type continuous casting material

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US (2) US20070200281A1 (zh)
EP (1) EP1641573B1 (zh)
JP (1) JP2007506554A (zh)
KR (1) KR20060030100A (zh)
CN (1) CN101001706A (zh)
AT (1) ATE411854T1 (zh)
CA (1) CA2531151A1 (zh)
DE (2) DE10330210A1 (zh)
EG (1) EG23997A (zh)
ES (1) ES2313021T3 (zh)
MX (1) MXPA06000152A (zh)
MY (1) MY141107A (zh)
RU (1) RU2368438C2 (zh)
TW (1) TW200512050A (zh)
UA (1) UA88616C2 (zh)
WO (1) WO2005002749A2 (zh)
ZA (1) ZA200510206B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180185954A1 (en) * 2015-06-26 2018-07-05 Thyssenkrupp Steel Europe Ag Method for producing a material composite in a rolling system and use of the rolling system

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RU2533290C2 (ru) * 2013-02-25 2014-11-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" (национальный исследовательский университет) (ФГБОУ ВПО "ЮУрГУ" (НИУ)) Способ изготовления горячекатаных полос и литейно-прокатный комплекс для его реализации
CN104131708A (zh) * 2014-07-06 2014-11-05 曾润洪 桥梁、涵洞、通道用钢筋砼的钢筋构件的制造及配送
CN104307871B (zh) * 2014-10-20 2016-06-08 中色科技股份有限公司 一种数台铸锭加热炉同时平行于热轧方向的工艺生产方法
CN105666147B (zh) * 2016-03-30 2018-10-30 潍坊东方钢管有限公司 环氧锌基聚酯复合涂层的公路钢护栏生产线及生产工艺
CN106121246A (zh) * 2016-06-28 2016-11-16 安徽海龙建筑工业有限公司 钢筋绑扎流水工艺
IT201800010870A1 (it) * 2018-12-06 2020-06-06 Danieli Off Mecc Apparato e metodo di produzione di nastri

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US5430930A (en) * 1993-10-12 1995-07-11 Italimpianti Of America, Inc. Method of manufacturing hot strip
US6024808A (en) * 1996-04-19 2000-02-15 Sumitomo Metal Industries, Ltd. Seamless steel pipe manufacturing method and equipment

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JPS57146403A (en) * 1981-03-07 1982-09-09 Kawasaki Steel Corp Hot rolling line for slab by plural continuous casting installations of different kinds
DE3310867A1 (de) 1983-03-25 1984-10-04 Mannesmann AG, 4000 Düsseldorf Giesswalzanlage zum walzen von stranggiessmaterial
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DE4041206C2 (de) * 1990-12-21 2003-04-17 Sms Demag Ag Verfahren und Anlage zur Herstellung von warmgewalztem Stahlband, insbesondere für Edelstähle aus stranggegossenem Vormaterial
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US4698897A (en) * 1982-11-11 1987-10-13 Mannesmann Ag Making hot roller steel strip from continuously cast ingots
US5430930A (en) * 1993-10-12 1995-07-11 Italimpianti Of America, Inc. Method of manufacturing hot strip
US6024808A (en) * 1996-04-19 2000-02-15 Sumitomo Metal Industries, Ltd. Seamless steel pipe manufacturing method and equipment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180185954A1 (en) * 2015-06-26 2018-07-05 Thyssenkrupp Steel Europe Ag Method for producing a material composite in a rolling system and use of the rolling system

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DE502004008324D1 (de) 2008-12-04
UA88616C2 (ru) 2009-11-10
EP1641573B1 (de) 2008-10-22
RU2006103072A (ru) 2006-06-27
DE10330210A1 (de) 2005-01-20
MY141107A (en) 2010-03-15
TW200512050A (en) 2005-04-01
EP1641573A2 (de) 2006-04-05
EG23997A (en) 2008-03-16
WO2005002749A3 (de) 2005-03-31
ZA200510206B (en) 2006-08-30
ATE411854T1 (de) 2008-11-15
JP2007506554A (ja) 2007-03-22
RU2368438C2 (ru) 2009-09-27
KR20060030100A (ko) 2006-04-07
ES2313021T3 (es) 2009-03-01
US20120144638A1 (en) 2012-06-14
CA2531151A1 (en) 2005-01-13
CN101001706A (zh) 2007-07-18
MXPA06000152A (es) 2006-04-07
WO2005002749A2 (de) 2005-01-13

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