EP1492634A1 - Vorrichtung zum kühlen von walzgut innerhalb der kühlstrecke einer walzanlage - Google Patents
Vorrichtung zum kühlen von walzgut innerhalb der kühlstrecke einer walzanlageInfo
- Publication number
- EP1492634A1 EP1492634A1 EP03745757A EP03745757A EP1492634A1 EP 1492634 A1 EP1492634 A1 EP 1492634A1 EP 03745757 A EP03745757 A EP 03745757A EP 03745757 A EP03745757 A EP 03745757A EP 1492634 A1 EP1492634 A1 EP 1492634A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling
- spray
- arrangement according
- rollers
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
-
- 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
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/008—Rollers for roller conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
- B21B39/12—Arrangement or installation of roller tables in relation to a roll stand
-
- 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
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
Definitions
- the invention relates to a device for cooling rolling stock within the cooling section of a rolling mill, in particular for a hot strip rolling mill, in which water spraying devices are arranged underneath the rolling stock between rollers of a roller table and spray bars held above the rolling stock on supporting levers, the supporting levers being parallel to one another the longitudinal axis of the roller table extending, tubular, rotatable and water-fed swivel tube are carried, with a central water supply pipe and a control and regulating device with associated switching valves for switching the cooling water on and off.
- Devices for cooling rolling stock form an integral part of every rolling mill; They have become increasingly important since certain metallurgical states, for example grain sizes, have been influenced by influencing the transformation of the steel, and the associated high load capacity of the rolled product has been sought.
- EP 0 178 281 B1 describes a device for cooling a metal product with a flat top and bottom, in particular a sheet metal, which is moved on a roller conveyor, coolant for the bottom being conveyed in the gaps formed between the rollers of the roller conveyor and above the A further variable arrangement is provided.
- DE 198 43 038.8 describes a device for cooling rolling stock, in which cooling water is held pivotably from the spray bars emitting from above and are partially relieved by counterweights to simplify operation. The assembly costs incurred can be influenced in a desirable manner by combining the cooling water supply lines.
- the object of the invention is to further increase the achievable maximum cooling capacity, but at the same time to shorten the length of the roller table used for this, so that a compact design with high cooling capacity is achieved.
- FIG. 1 shows a longitudinal section through the compact design of a cooling system with a transport roller table, belt guide and belt longitudinal spray,
- FIG. 2 shows a cross section through the cooling arrangement according to FIG. 1 with a transport roller table, belt guide and swiveling device for the upper spray bars,
- FIG. 4 shows a top view of a section of the roller table with an arrangement for the belt guide
- FIG. 5 schematically, in vertical section, a spray bar with a spray tube plate and spray tubes
- Figure 6 is a vertical longitudinal section through one of the lower chilled beams
- FIG. 7 shows a schematic cross section through two adjacent rollers of a roller table with a lower cooling beam with spray tubes provided between or below them.
- roller table 1 shows a roller table 1 converted into a compact cooling device.
- Lower cooling beams 2 can be seen slightly below the space between the rollers of this roller table 1.
- spray bars 3 are shown, which are closed at the bottom by exchangeable spray tubes 4 having spray tubes.
- Splash protection plates 5 are pivotally articulated on the spray bars 3, which are intended to protect the surroundings from splash water and ensure that used splash water runs downward.
- strip guide rulers 6, are used for the alignment and central guiding of hot strips running into the roller table.
- FIG. 2 is kept on a larger scale and represents a cross section through the roller table 1 in the central plane of a lower chilled beam.
- the cooling beam 2 can be seen, which is closed at both ends by, for example, removable flaps 7 for cleaning.
- the cooling beam 2 is fed by a cooling water pipe 8 via a bend 9.
- the rollers 10 of the roller table 1 are equipped with long, slim pins 11 which support the rollers in bearings and transmit the drive from the roller table motors 12.
- the rollers 10 are provided in a very narrow division and in the formed between them narrow column still engage the spray tube 13 of the chilled beams 2. However, this allows only small amounts of cooling water to flow between the rollers 10; the more space to drain them off between the long, slim pins 11 of the rollers 10.
- the belt guide rulers 6 are shown again: The ruler shown on the left is retracted for maximum belt widths or a rest position and thus releases the area of the pins 11 of the rollers for the outflow of water from the beginning.
- the ruler shown on the right is extremely advanced for a minimal bandwidth and thus largely covers the run-off path formed between the pins 11 of the rollers 10.
- the tape guide rulers 6 will therefore be adjusted according to the width of the incoming tape when the tape runs in, and after running in, both switch on the cooling and pull the tape guide rulers back into their rest position of the maximum opening.
- Tubular support arms 16 are connected to this swivel tube 15, into which the cooling water of the swivel tube 15 can enter.
- Two parallel spray bars 3 are attached to each of these support arms and are supplied with elbow with cooling water via the tubular support levers 16.
- the spray bars 3 are supplemented by exchangeable and adaptable spray tube plates 4, and the free ends carry the articulated splash protection plates 5.
- Each of the carrying levers is supported by a hydraulic cylinder 17 and can be moved from its working position shown in FIG.
- FIG. 4 A view of the belt guide rulers 6 of the roller table 1 is shown in FIG. 4.
- the two adjusting devices 18 for the guide rulers 6 have been set to a small bandwidth, so that the rulers are themselves over the lateral surfaces of the rollers 10:
- the guide rulers 6 are opened to the maximum after the tape has run in, so that the between the pins 11
- the larger intermediate spaces formed by the rollers 10 are able to discharge the cooling water emitted by the spray bars 3 and, if appropriate, by the cooling bars 2.
- FIG. 5 shows an enlarged cross section. Shown is a spray tube 4 that engages under the spray bar 3 and a number of spray tubes 20. As the enlarged, drawn-out representations show, the free mouth region 21 of the spray tubes 20 that receives the cooling water is widened in a funnel shape in order to be able to absorb the inflowing water without throttling.
- the outlet area 22, on the other hand, is either cylindrical or drawn in, usually only slightly, to the extent required to achieve the desired spraying speed.
- the spray tubes 20 can be fastened in the spray tube plate 4 or, if a change or exchange is necessary for reasons of wear, but also for reasons of the use of other dimensions, they can be exchanged.
- FIGS. 2 and 3 show one of the lower chilled beams 2 in a side view.
- the removable caps 7 closing the cleaning or inspection opening and the one for connecting the cooling water pipe 8 of FIGS. 2 and 3 serving manifolds 9.
- the space formed between two adjacent rollers 10 of the roller table 1 is very narrow, so that the supply of the cooling water from below and the outflow of the cooling water flowing from above become critical in such a compact arrangement.
- This problem is solved here by arranging the actual body of the chilled beam 2 below the center horizontal of the rollers 10 with simultaneous pear-shaped design of the cross section of this chilled beam in the direction of the streamlined body. This is at the top by a retaining strip 23, the bores of which receive the spray tubes 13, which are closed at the top by a nozzle 24 which determines their spray pattern.
- pivotable and switchable longitudinal sprayings 25 and 26 are supplemented by pivotable and switchable longitudinal sprayings 25 and 26. These ensure that the cooling water on the upper side of the conveyor belt when the cooling water is plentiful cannot flow into the area of the technological measuring devices or can be transported from the conveyor belt and would cause malfunctions or falsifications of the measurement results there.
- These longitudinal sprayings 25 and 26 consist of pivotable flaps 27 and 28 with nozzle tubes 29 and 30, respectively. The flaps are pivoted up at the strip inlet in order to ensure trouble-free strip passage. The flaps 27, 28 are then lowered for operation and the nozzle pipes 29, 30 are switched on.
- the nozzles are located close to the wall surface, so that an effective jet effect is ensured.
- the flaps protect the nozzles and can avoid malfunctions, such as loop formation, in the event of a belt run, without causing significant damage to the devices for longitudinal spraying.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Heat Treatment Of Articles (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
- Nozzles (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10215229A DE10215229A1 (de) | 2002-04-06 | 2002-04-06 | Vorrichtung zum Kühlen von Walzgut innerhalb der Kühlstrecke einer Walzanlage |
| DE10215229 | 2002-04-06 | ||
| PCT/EP2003/001999 WO2003084686A1 (de) | 2002-04-06 | 2003-02-27 | Vorrichtung zum kühlen von walzgut innerhalb der kühlstrecke einer walzanlage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1492634A1 true EP1492634A1 (de) | 2005-01-05 |
| EP1492634B1 EP1492634B1 (de) | 2007-11-21 |
Family
ID=28051161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03745757A Expired - Lifetime EP1492634B1 (de) | 2002-04-06 | 2003-02-27 | Vorrichtung zum kühlen von walzgut innerhalb der kühlstrecke einer walzanlage |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US7328598B2 (de) |
| EP (1) | EP1492634B1 (de) |
| JP (1) | JP4436142B2 (de) |
| CN (1) | CN1293954C (de) |
| AU (1) | AU2003215605A1 (de) |
| BR (1) | BR0307749B1 (de) |
| CA (1) | CA2481444C (de) |
| DE (2) | DE10215229A1 (de) |
| ES (1) | ES2294307T3 (de) |
| RU (1) | RU2313411C2 (de) |
| WO (1) | WO2003084686A1 (de) |
| ZA (1) | ZA200406376B (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005047936A1 (de) * | 2005-10-06 | 2007-04-12 | Sms Demag Ag | Verfahren und Vorrichtung zum Reinigen von Brammen, Dünnbrammen, Profilen oder dergleichen |
| DE102008032932A1 (de) * | 2008-07-12 | 2010-01-14 | Sms Siemag Aktiengesellschaft | Verfahren zum Längsführen eines Walzgutes, insbesondere eines warmgewalzten Stahlbandes und Warmwalzwerk zur Durchführung des Verfahrens |
| CN101837379B (zh) * | 2009-03-20 | 2013-04-24 | 宝山钢铁股份有限公司 | 一种层流宽度可偏调式冷却装置及控制方法 |
| EP2783766A1 (de) * | 2013-03-25 | 2014-10-01 | Siemens VAI Metals Technologies GmbH | Kühlstrecke mit unterem Spritzbalken |
| EP2789405A1 (de) * | 2013-04-09 | 2014-10-15 | Siemens VAI Metals Technologies GmbH | Kühlstrecke mit Spritzbalken mit entfernbarer Abschlussplatte |
| EP2792428A1 (de) | 2013-04-15 | 2014-10-22 | Siemens VAI Metals Technologies GmbH | Kühleinrichtung mit breitenabhängiger Kühlwirkung |
| EP3251764B1 (de) * | 2016-05-31 | 2019-07-03 | Primetals Technologies Austria GmbH | Verfahren und vorrichtung zur stabilisierung einer bewegung eines gewalzten metallischen bandes auf einem rollgang |
| DE102017206540A1 (de) * | 2017-04-18 | 2018-10-18 | Sms Group Gmbh | Vorrichtung und Verfahren zum Kühlen von Metallbändern oder -blechen |
| EP3727713B1 (de) | 2017-12-20 | 2021-06-30 | Danieli & C. Officine Meccaniche S.P.A. | Vorrichtung zur thermischen behandlung von metallischen produkten |
| DE102018211177A1 (de) * | 2018-04-13 | 2019-10-17 | Sms Group Gmbh | Kühleinrichtung zum Kühlen eines metallischen Gutes sowie Verfahren zu deren Herstellung und Betrieb |
| KR102169605B1 (ko) * | 2020-04-27 | 2020-10-23 | 주식회사 디케이씨 | 후판용 열처리 장치 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU737050A2 (ru) * | 1978-01-26 | 1980-05-30 | Магнитогорский государственный институт по проектированию металлургических заводов | Устройство дл охлаждени полосы на рольганге |
| US4247047A (en) * | 1979-01-15 | 1981-01-27 | Schaming Edward J | Modular zoned digital coolant control system for strip mill rolls |
| JPS6070126A (ja) * | 1983-09-27 | 1985-04-20 | Nippon Kokan Kk <Nkk> | 金属板の下面冷却装置 |
| US4497180A (en) * | 1984-03-29 | 1985-02-05 | National Steel Corporation | Method and apparatus useful in cooling hot strip |
| BE900784A (fr) * | 1984-10-09 | 1985-04-09 | Centre Rech Metallurgique | Dispositif pour refroidir un produit metallique en mouvement et installation en comportant l'apllication. |
| JPS61144212A (ja) | 1984-12-17 | 1986-07-01 | Mitsubishi Heavy Ind Ltd | 水切りスプレイ装置 |
| FR2580199B1 (fr) | 1985-04-15 | 1988-09-09 | Siderurgie Fse Inst Rech | Procede et dispositif de reglage de la largeur d'un rideau de liquide |
| US4643013A (en) * | 1985-06-25 | 1987-02-17 | Blazevic David T | Coil guide system for hot strip mills |
| SU1452635A1 (ru) * | 1987-01-22 | 1989-01-23 | Всесоюзный научно-исследовательский и проектно-конструкторский институт металлургического машиностроения им.А.И.Целикова | Устройство дл охлаждени плоского проката |
| JP2721861B2 (ja) * | 1988-09-16 | 1998-03-04 | トーア・スチール株式会社 | 熱間圧延鋼線材の直接急冷方法 |
| US4945746A (en) * | 1988-12-27 | 1990-08-07 | National Steel Corporation | Containment fence for runout table |
| DE4024605A1 (de) * | 1990-08-02 | 1992-02-06 | Wsp Ingenieurgesellschaft Fuer | Vorrichtung zur abkuehlung von strangpressprofilen |
| JPH06212278A (ja) | 1993-01-20 | 1994-08-02 | Kawasaki Steel Corp | 高温金属板の下面冷却装置 |
| BE1011579A3 (fr) | 1997-11-28 | 1999-11-09 | Centre Rech Metallurgique | Dispositif de refroidissement d'une bande metallique en mouvement. |
| JP3285812B2 (ja) | 1998-02-10 | 2002-05-27 | 三菱重工業株式会社 | 熱間圧延設備ラインにおける冷却ゾーン装置およびその運転方法 |
| US6062056A (en) * | 1998-02-18 | 2000-05-16 | Tippins Incorporated | Method and apparatus for cooling a steel strip |
| DE19843038B4 (de) | 1998-09-19 | 2006-10-12 | Sms Demag Ag | Vorrichtung zum Kühlen von Walzgut innerhalb der Kühlstrecke einer Walzanlage zur laminarern Bandkühlung |
| IT1303873B1 (it) | 1998-11-26 | 2001-03-01 | Demag Italimpianti Spa | Laminatoio a caldo per nastri sottili |
| DE19925535A1 (de) * | 1999-06-04 | 2000-12-07 | Sms Demag Ag | Verstellverfahren für zwei über einem Metallband angeordnete Abschirmelemente und hiermit korrespondierende Verstellvorrichtung |
-
2002
- 2002-04-06 DE DE10215229A patent/DE10215229A1/de not_active Withdrawn
-
2003
- 2003-02-27 BR BRPI0307749-7A patent/BR0307749B1/pt not_active IP Right Cessation
- 2003-02-27 CN CNB038078848A patent/CN1293954C/zh not_active Expired - Fee Related
- 2003-02-27 US US10/509,870 patent/US7328598B2/en not_active Expired - Lifetime
- 2003-02-27 RU RU2004132834/02A patent/RU2313411C2/ru not_active IP Right Cessation
- 2003-02-27 EP EP03745757A patent/EP1492634B1/de not_active Expired - Lifetime
- 2003-02-27 AU AU2003215605A patent/AU2003215605A1/en not_active Abandoned
- 2003-02-27 WO PCT/EP2003/001999 patent/WO2003084686A1/de not_active Ceased
- 2003-02-27 CA CA2481444A patent/CA2481444C/en not_active Expired - Fee Related
- 2003-02-27 JP JP2003581916A patent/JP4436142B2/ja not_active Expired - Fee Related
- 2003-02-27 ES ES03745757T patent/ES2294307T3/es not_active Expired - Lifetime
- 2003-02-27 DE DE50308646T patent/DE50308646D1/de not_active Expired - Lifetime
-
2004
- 2004-08-12 ZA ZA200406376A patent/ZA200406376B/en unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03084686A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2294307T3 (es) | 2008-04-01 |
| DE50308646D1 (de) | 2008-01-03 |
| JP4436142B2 (ja) | 2010-03-24 |
| CA2481444C (en) | 2010-07-27 |
| RU2004132834A (ru) | 2005-07-20 |
| EP1492634B1 (de) | 2007-11-21 |
| CN1293954C (zh) | 2007-01-10 |
| CA2481444A1 (en) | 2003-10-16 |
| ZA200406376B (en) | 2006-04-26 |
| JP2005528218A (ja) | 2005-09-22 |
| CN1646241A (zh) | 2005-07-27 |
| BR0307749B1 (pt) | 2014-08-05 |
| US20050167897A1 (en) | 2005-08-04 |
| WO2003084686A1 (de) | 2003-10-16 |
| US7328598B2 (en) | 2008-02-12 |
| BR0307749A (pt) | 2005-02-01 |
| RU2313411C2 (ru) | 2007-12-27 |
| DE10215229A1 (de) | 2003-10-16 |
| AU2003215605A1 (en) | 2003-10-20 |
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