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EP1156893B1 - Procede et dispositif pour secher et maintenir sec en particulier un feuillard lamine a froid dans la zone de sortie d'installations de laminage a froid et de laminage de feuillards - Google Patents

Procede et dispositif pour secher et maintenir sec en particulier un feuillard lamine a froid dans la zone de sortie d'installations de laminage a froid et de laminage de feuillards Download PDF

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Publication number
EP1156893B1
EP1156893B1 EP00906331A EP00906331A EP1156893B1 EP 1156893 B1 EP1156893 B1 EP 1156893B1 EP 00906331 A EP00906331 A EP 00906331A EP 00906331 A EP00906331 A EP 00906331A EP 1156893 B1 EP1156893 B1 EP 1156893B1
Authority
EP
European Patent Office
Prior art keywords
strip
approximately
bulkhead
width
rolling
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.)
Expired - Lifetime
Application number
EP00906331A
Other languages
German (de)
English (en)
Other versions
EP1156893A1 (fr
Inventor
Wolfgang Denker
Michael Hanisch
Hans-Peter Richter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
Original Assignee
SMS Demag AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP1156893A1 publication Critical patent/EP1156893A1/fr
Application granted granted Critical
Publication of EP1156893B1 publication Critical patent/EP1156893B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B21B45/0269—Cleaning
    • B21B45/0275—Cleaning devices
    • B21B45/0278—Cleaning devices removing liquids
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • B08B5/023—Cleaning travelling work
    • B08B5/026—Cleaning moving webs

Definitions

  • the invention relates to a method and an apparatus for Drying and keeping dry, especially of rolled strips (Cold strip) up to approx. 10 mm thickness, preferably less than 0.2 mm thickness, in the outlet area of cold rolling and strip plants, in compared to those for separating the "damp room" of the rolling mill the further outlet area behind the last rolling stand "Dry room” a partition is arranged, the upper Part above the belt up to the scaffolding platform and its lower part below the belt to the base plate followed.
  • the required quality of the is in the outlet of rolling mills
  • Product "cold strip” in addition to good flatness and optimal Thickness tolerance also includes dryness and cleanliness of the Belt surface, because otherwise during the further processing of the Band surface defects, for example stains, are inevitable.
  • DE 28 44 434 A1 proposes liquid residues from passing through Sheets and strips, particularly in rolling mills and strip processing plants in a defined area across the sheet surface vacuum generated by suction pipes or by the suction air streams generated thereby suck.
  • suction pipes provided with a longitudinal slot Rubber, plastic or brush sealing lips attached to the side Seal the suction area laterally against the tape.
  • GB-A-1 481 022 discloses a device for removing adherent Liquid from the surface of a rolled strip by a blow-off device known from the air over the entire width of the rolled strip towards Work roll is blown onto the top and bottom of the roll belt.
  • the blow-off device for the top of the rolled strip is to adapt to Different rolled strip thicknesses are arranged and can be moved vertically with the help of the blow-off air similar to an air cushion at a distance from the surface of the rolled strip held.
  • DE 44 22 422 A1 describes a device for non-contact sealing a gap between a partition and a work roll in the outlet of a Roll stand known.
  • the end of the partition is non-contact with a small gap-like distance approximately tangential to the surface the work roll.
  • the gap formed in this way between the partition and the work roll is made with one in the end part of the partition arranged slit nozzle emerging high-energy flow (by means of Compressed air) sealed.
  • the cut through this flow due to the tapered formation of the end part and its arrangement relative to the work roll caused negative pressure causes additional large amounts of Air is sucked in through the gap and towards the wet area towards the work roll flock there. This creates a defined flow between the bulkheads and rolling stock, in the area of which wet air is sucked off with drops and other particles.
  • the object of the invention based on a simple procedure and one based on it Device made of simple and rolling mill-compatible components for contactless sealing of a gap between one Foreclosure and a strip in the outlet of cold rolling and Design conveyor systems in such a way that Energy consumption and low noise both dry belt surface as well as a complete separation of the wet-wet roll area from the finished rolled strip Further development of the known devices is achieved.
  • the task is solved procedurally at one Method of the type mentioned in the preamble of claim 1 by the characterizing measures of claim 1 and device-wise with the characteristic features of the Claim 3.
  • the gap between the Foreclosure and the band above and below the band to seal with an air cushion-like compressed gas cushion, the pressurized gas above and below the belt additionally in the form of a gap flow parallel to Strip surface in the direction of the rolling mill and in the opposite direction is dissipated, even at high belt speeds 1000 m per minute regardless of the bandwidth Penetration of rolling oil or emulsion with success prevented and non-contact belt drying achieved.
  • the pressure at which the gas is at right angles from above and from below against the belt surface is approximately 1 to 10 bar, preferably about 5 bar, which ensures that the structure of a required for an optimal seal air cushion-like compressed gas cushion and the subsequent gap flow is high enough to energy Prevent moisture penetration. So that too with as little energy and noise as possible is the gap between the foreclosure and the tape if possible to 0.1 to 1 mm, preferably to 0.2 mm plus the strip thickness set to at given Gas pressure with the smallest possible gas quantities the desired To achieve effect.
  • An apparatus for performing this method exists from one arranged above and below the band Foreclosure, the parts of which are installed above the Belt up to the scaffolding platform and below the belt up to connect the base plate. These are fixed towards the hinge side installed bulkhead parts by moving (movable) Foreclosure parts extended so far between them movable bulkhead parts and the belt surface narrow gap is set.
  • This gap can be made by procedures of the movable bulkhead parts against a fixed or adjustable stop to a predetermined gap width be set or he sets himself due of the compressed gas cushion.
  • it is independent of the Band thickness 0.1 to 1 mm, preferably 0.2 mm.
  • the hinge-side end of the movable partition is in each case formed by a blow nozzle bar into the holes (Blowing nozzles) are arranged, through which a gas with pressure against the belt surface is guided.
  • blowing nozzles blowing nozzles
  • After another advantageous embodiment of the invention are in the Blow nozzle bar per meter bar length approx. 250 blow nozzles arranged with a diameter of approx. 1 mm.
  • the blow nozzles one behind the other across the entire Band width arranged in the center of the blow nozzle bar. It is but also possible, instead of the blow nozzle holes continuous slot nozzle with a slot width of for example, to form 1 mm in the blow nozzle bar.
  • the blow nozzle bar - its length corresponds at least the bandwidth and its width is about 10 to 500 mm, preferably about 60 mm and parallel to Band surface trained band side Blower nozzle area is in the middle (in relation to the Blower nozzle width) Compressed gas emerging from the blower nozzles able for a reliable seal Build up the necessary air cushion-shaped compressed gas cushion.
  • the broad training of the band-side Blower nozzle area the width of which is clearly over the range the blow nozzle openings goes out and parallel to the Belt surface runs, reached that the one to be sealed Gap is wide enough in the direction of a tape length reliably acting gap flow parallel to the belt surface towards the rolling mill and in the opposite direction using the To maintain compressed gas.
  • the upper part 12 extends to the scaffolding platform (not shown) and its lower part 13 for the return of separated liquid runs diagonally down towards the rolling stand.
  • the Foreclosure 12, 13 opens into a frame 14, 15 on the hinge side which is also fixed in place or movable is formed and in the movable blow nozzle carrier 16, 16 ', 17, 17' are arranged.
  • the inner chambers 24, 25 are with the pressurized gas via inlet openings 21, 22 fillable, which then via the chamber openings 28, 29 in the flows into outer chambers 26, 27 and from there via the Blow nozzles 23 perpendicular to the surface of the belt 10 to be led.
  • the device according to the invention functions as follows: Compressed gas 33 flows out of the inner chambers 24, 25 (the chambers are not shown in Fig. 2) through the chamber openings 28, 29 into the outer chambers 26, 27 and from there the blowing nozzles 23 perpendicular to the surfaces of the belt 10 and here forms a pressure gas cushion in the gap 30 above and below the band 10.
  • the blowing nozzle strips 18, 19 with a wide hinge side Blower nozzle strip surface formed parallel to the belt surface are the width of the blow nozzle bars correspondingly long gap, so that here too desired gap flow 31, 32 can build.
  • the embodiment shown in the drawing figures represents only one possible application of the invention it is possible, for example, to train the Blower nozzle strips, the number and arrangement of the blower nozzles as well the formation of the blow nozzle carrier different from to execute the example shown, if so Basic principle of the invention, the formation of a Air cushion-like compressed gas cushion with a gap flow remains on both surface sides of the tape. Also those formed above or below the blow nozzle bar Compressed gas chambers are not essential to the To carry out the subject of the invention. Furthermore, they are inventive method and dei device also for Suitable for drying and keeping dry for any profiles applicable. The corresponding constructive adjustment is in that At the discretion of the professional.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drying Of Solid Materials (AREA)
  • Metal Rolling (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Laminated Bodies (AREA)

Claims (6)

  1. Procédé pour sécher et maintenir au sec en particulier des bandes laminées (bande laminée à froid) d'une épaisseur allant jusqu'environ 10mm, présentant de préférence une épaisseur inférieure à 0,2 mm, dans la zone de sortie d'installations de laminage à froid et à bandes, dans lesquelles, pour séparer l'espace humide (35) du laminoir par rapport au reste de la zone de sortie derrière la dernière cage de laminage, une cloison est associée l'espace sec (34), dont la partie supérieure se raccorde au-dessus de la bande (10) au portique de la cage et la partie inférieure au-dessous de la bande (10) s'étend jusqu'à la plaque de base, caractérisé en ce que la bande (10) est sollicitée, à partir des extrémités du côté de la bande des cloisons (12, 13) et leurs pièces (14, 15, 16, 16', 17, 17'), via des tuyères (23), à angle droit par rapport à la surface de la bande, du haut et du bas, par un gaz, de préférence de l'air, sous pression, de telle manière qu'il se forme, sur toute la largeur de la bande, un coussin de gaz sous pression, analogue à un coussin d'air, dans la fente (30) d'une largeur de 0,1 à 1 mm, de préférence de 0,2 mm, entre l'extrémité du côté de la bande de la cloison (12, 13 ; 14, 15) et la surface supérieure et inférieure de la bande et que le gaz sous pression (33) est évacué au-dessus et au-dessous de la bande (10) sous forme d'un flux (32) dans la fente parallèle à la surface de la bande dans le sens vers le laminoir ou, selon le cas, l'espace humide (35) et d'un flux (31) dans la fente, dans le sens opposé vers l'espace sec (34).
  2. Procédé selon la revendication 1, caractérisé en ce que le gaz sous pression (33) est guidé avec une pression d'environ 1 à 10 bars, de préférence d'environ 5 bars, à partir du bas et du haut sur les surfaces de la bande.
  3. Dispositif pour réaliser le procédé selon les revendications précédentes, constitué d'une cloison (12, 13) disposée de manière fixe au-dessus et au-dessous de la bande (10), dont la partie supérieure (12) se raccorde au-dessus de la bande (10) au portique de la cage et la partie inférieure (13) au-dessous de la bande (10) s'étend jusqu'à la plaque de base, ainsi qu'une cloison mobile (16, 16', 17, 17') qui prolonge la cloison fixe (12, 13) via des cadres (14, 15) jusqu'à proximité au-dessus et au-dessous de la surface de la bande, caractérisé par des barres (18, 19) de tuyères disposées en l'extrémité (16', 17') du côté de la bande des cloisons mobiles sur toute la largeur de la bande, avec des tuyères (23) orientées perpendiculairement par rapport à la surface de la bande et des surfaces de barre de tuyère formées, du côté de la bande, parallèlement à la surface de la bande, la fente (30) formée entre les surfaces de la bande (10) et les surfaces de barre de tuyère du côté de la bande présentant une largeur de 0,1 à 1,0 mm, de préférence d'environ 0,2 mm.
  4. Dispositif selon la revendication 3, caractérisé en ce que la longueur des barres (18, 19) de tuyère correspond au moins à la largeur de la bande et la largeur des barres (18, 19) de tuyère est d'environ 10 à 500 mm, de préférence d'environ 60 mm.
  5. Dispositif selon la revendication 3 ou 4, caractérisé en ce qu'on a disposé dans les barres (18, 19) de tuyère, par 1 mètre de longueur de barre environ 250 tuyères (23) présentent un diamètre de tuyère d'environ 1 mm.
  6. Dispositif selon la revendication 3, 4 ou 5, caractérisé en ce que les tuyères (23) dans les barres (18, 19) de tuyère sont disposées au centre par rapport à la largeur de la barre de tuyère et transversalement l'une derrière l'autre sur toute la largeur de la bande.
EP00906331A 1999-03-01 2000-02-16 Procede et dispositif pour secher et maintenir sec en particulier un feuillard lamine a froid dans la zone de sortie d'installations de laminage a froid et de laminage de feuillards Expired - Lifetime EP1156893B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19908743 1999-03-01
DE19908743A DE19908743A1 (de) 1999-03-01 1999-03-01 Verfahren und Vorrichtung zum Trocknen und Trockenhalten von insbesondere Kaltband im Auslaufbereich von Kaltwalz- und Bandanlagen
PCT/EP2000/001235 WO2000051757A1 (fr) 1999-03-01 2000-02-16 Procede et dispositif pour secher et maintenir sec en particulier un feuillard lamine a froid dans la zone de sortie d'installations de laminage a froid et de laminage de feuillards

Publications (2)

Publication Number Publication Date
EP1156893A1 EP1156893A1 (fr) 2001-11-28
EP1156893B1 true EP1156893B1 (fr) 2003-04-23

Family

ID=7899219

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00906331A Expired - Lifetime EP1156893B1 (fr) 1999-03-01 2000-02-16 Procede et dispositif pour secher et maintenir sec en particulier un feuillard lamine a froid dans la zone de sortie d'installations de laminage a froid et de laminage de feuillards

Country Status (14)

Country Link
US (1) US6834521B1 (fr)
EP (1) EP1156893B1 (fr)
JP (1) JP2002538004A (fr)
KR (1) KR20010108279A (fr)
CN (1) CN1151004C (fr)
AT (1) ATE238110T1 (fr)
AU (1) AU2804800A (fr)
BR (1) BR0008574A (fr)
CA (1) CA2364078A1 (fr)
DE (2) DE19908743A1 (fr)
EA (1) EA002541B1 (fr)
ES (1) ES2197861T3 (fr)
TR (1) TR200102526T2 (fr)
WO (1) WO2000051757A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100799707B1 (ko) * 2001-12-22 2008-02-01 주식회사 포스코 열간 압연 스트립 상의 이물질 및 물방울 제거 방법
DE10206244A1 (de) * 2002-02-15 2003-08-28 Sms Demag Ag Vorrichtung zum Trockenhalten von Kaltband im Auslauf von Bandwalzanlagen
FR2857734B1 (fr) * 2003-07-16 2005-09-02 Stein Heurtey Procede et dispositif de sechage d'un revetement non metallique sur une bande d'acier
DE102004040375A1 (de) * 2004-06-09 2005-12-29 Sms Demag Ag Verfahren und Walzgerüst zum Kaltwalzen von metallischem Walzgut, insbesondere von Walzband, mit Düsen für gasförmige oder flüssige Behandlungsmedien
WO2006013848A1 (fr) * 2004-08-05 2006-02-09 Kabushiki Kaisha Kobe Seiko Sho Dispositif pour enlever le dépôt
DE102004060086A1 (de) * 2004-12-14 2006-06-22 Sms Demag Ag Verfahren und Vorrichtung zum Bandabblasen im Auslauf von Walzwerken zur Erzeugung von tropfenfreiem und sauberem Walzband
DE102009023359A1 (de) 2008-08-18 2010-02-25 Sms Siemag Ag Verfahren und Vorrichtung zur Kühlung und Trocknung eines Warmbandes oder eines Bleches in einem Walzwerk
DE102009015206B4 (de) * 2009-03-26 2012-08-16 ACHENBACH BUSCHHüTTEN GMBH Verfahren und Vorrichtung zum Abblasen von Walzband mittels Luft oder gasförmiger Medien auf der Bandauslaufseite von Walzwerken zum Entfernen von an dem Walzband anhaftendem Walzöl oder anderen flüssigen Betriebsmedien
CN103217006A (zh) * 2013-04-18 2013-07-24 天津冶金轧一华信制钢有限公司 表面流体驱离装置
CN104190727B (zh) * 2014-09-20 2016-06-08 唐山市德龙钢铁有限公司 一种用于线材精轧机组出口的微型封水装置
KR101598363B1 (ko) 2014-12-19 2016-02-29 주식회사 포스코 스트립 건조 장치

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US2900991A (en) * 1956-03-26 1959-08-25 Ajem Lab Inc Power washer
US3192752A (en) * 1963-06-27 1965-07-06 Aluminum Co Of America Cold rolling aluminum and product
FR2212187B1 (fr) 1972-12-29 1975-03-28 Creusot Loire
GB1481022A (en) 1975-05-01 1977-07-27 Davy Loewy Ltd Removing material from a surface or surfaces of moving strip
US4400961A (en) * 1981-07-15 1983-08-30 Schaming Edward J Apparatus for removing liquid coolant from metal strips in a rolling mill
US4477287A (en) * 1983-02-08 1984-10-16 Kaiser Aluminum & Chemical Corporation Liquid removal device
US4552003A (en) 1983-08-08 1985-11-12 Atlantic Richfield Company Lubricant removal system for a cold rolling mill
JPS62259611A (ja) 1986-05-02 1987-11-12 Nisshin Steel Co Ltd 圧延油のワイピング方法及びその装置
EP0513632B1 (fr) * 1991-05-17 1995-07-19 SUNDWIGER EISENHÜTTE MASCHINENFABRIK GmbH & CO. Dispositif pour enlever le liquide de la surface d'une bande en mouvement
DE4305907A1 (de) * 1993-02-24 1994-08-25 Sundwiger Eisen Maschinen Vorrichtung zum Entfernen von Flüssigkeit von der Oberfläche eines bewegten Bandes, insbesondere eines Walzbandes an einem Walzgerüst
GB9316782D0 (en) 1993-08-12 1993-09-29 Lamberton & Co Ltd Air wipe system
DE19535168A1 (de) 1995-09-22 1997-03-27 Schloemann Siemag Ag Vorrichtung zum Trockenhalten von Kaltband im Auslauf von Kaltwalz- und Bandanlagen

Also Published As

Publication number Publication date
EP1156893A1 (fr) 2001-11-28
CA2364078A1 (fr) 2000-09-08
CN1342108A (zh) 2002-03-27
ES2197861T3 (es) 2004-01-16
US6834521B1 (en) 2004-12-28
EA200100931A1 (ru) 2002-02-28
KR20010108279A (ko) 2001-12-07
BR0008574A (pt) 2002-01-22
ATE238110T1 (de) 2003-05-15
CN1151004C (zh) 2004-05-26
JP2002538004A (ja) 2002-11-12
TR200102526T2 (tr) 2002-04-22
DE19908743A1 (de) 2000-09-07
EA002541B1 (ru) 2002-06-27
AU2804800A (en) 2000-09-21
DE50001867D1 (de) 2003-05-28
WO2000051757A1 (fr) 2000-09-08

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