WO2010028754A2 - Dispositif de décalaminage - Google Patents

Dispositif de décalaminage Download PDF

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Publication number
WO2010028754A2
WO2010028754A2 PCT/EP2009/006278 EP2009006278W WO2010028754A2 WO 2010028754 A2 WO2010028754 A2 WO 2010028754A2 EP 2009006278 W EP2009006278 W EP 2009006278W WO 2010028754 A2 WO2010028754 A2 WO 2010028754A2
Authority
WO
WIPO (PCT)
Prior art keywords
spray
steel material
descaling
spray bar
nozzles
Prior art date
Application number
PCT/EP2009/006278
Other languages
German (de)
English (en)
Other versions
WO2010028754A3 (fr
Inventor
Luc Neumann
Christian Bilgen
Klaus Bäumer
Günter Müller
Wolfgang Igelhorst
Original Assignee
Sms Siemag 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 Siemag Ag filed Critical Sms Siemag Ag
Priority to EP09778207A priority Critical patent/EP2334448A2/fr
Priority to CN2009801369114A priority patent/CN102149486A/zh
Priority to US13/063,383 priority patent/US20110252616A1/en
Priority to JP2011526394A priority patent/JP2012501854A/ja
Publication of WO2010028754A2 publication Critical patent/WO2010028754A2/fr
Publication of WO2010028754A3 publication Critical patent/WO2010028754A3/fr

Links

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
    • B21B45/04—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 de-scaling, e.g. by brushing
    • B21B45/08—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 de-scaling, e.g. by brushing hydraulically
    • 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
    • B21B15/0035—Forging or pressing devices as units
    • 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
    • B21B15/0035—Forging or pressing devices as units
    • B21B15/005—Lubricating, cooling or heating means
    • 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
    • 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
    • Y10T29/45—Scale remover or preventor
    • Y10T29/4533—Fluid impingement
    • Y10T29/4544—Liquid jet

Definitions

  • the invention relates to a descaling device for a hot steel material which can be formed along a production line into long and flat products according to the features of the preamble of claims 1, 16 and 17.
  • a scale scrubber is known, the task of which is to de-scale especially steel belts and thin slabs with reduced water and energy consumption over the entire belt or slab width pore-deep.
  • injection units are used with a rotating nozzle head having a plurality of spray nozzles and preferably the two arranged in the edge region of the rolling upper injection units relative to the two arranged in the edge region of the rolling, lower injection units are offset.
  • DE 43 28 303 C2 discloses a device for descaling hot rolled material by applying it by means of a fluid under high pressure, in particular water.
  • the water emerges from at least one row of nozzles covering the width of the rolling stock with a plurality of nozzle heads, wherein each nozzle head is motor-driven in rotation about an axis of rotation substantially perpendicular to the surface of the rolling stock and has at least two nozzles arranged eccentrically with respect to the axis of rotation.
  • the nozzles of each nozzle head are arranged with different angles to the axis of rotation such that the spray pattern of each nozzle in operation, based on the axis of rotation, covers a different radial area on the surface of the rolling stock to be descaled.
  • EP 0 625 383 B1 discloses a production line for strips and / or sheets in which u. a.
  • a temperature-recovery system comprising an induction furnace with at least one operating frequency for heating the surface.
  • BEST ⁇ TJGUNGSKOPfE and the edges of the slabs are followed by a first descaling device and a tunnel kiln, and a second descaling device is present between the tunnel kiln and the roller chain.
  • the first descaling device is a low-speed descaling device with rotating nozzles
  • the second desizing device is a high-speed enzammer device with static nozzles.
  • EP 1 718 424 B1 discloses an apparatus for descaling warm rolling stock by means of water, according to which at least one die head row sweeping over the rolling stock width is provided and wherein each die head is rotating and has a plurality of nozzles which are arranged close to the circumference of the die head, to achieve tangential or overlapping spray patterns on the rolling stock and so to replace the scale comparatively better.
  • EP 1 077 095 B1 discloses a descaling device for a continuously cast metal strip, which has significant advantages, in particular in the event of an accident, namely, the water collecting channels arranged above the upper side of the metal strip being pivotable and opposite to the strip running direction independently of their associated water-jet nozzles the metal band height adjustable andstädig are evasive and that the nozzle rows receiving spray bars of the top of the band with a lever arm are freely pivotable and thus arranged vertically adjustable within limits and automatically evasive.
  • the previously known descaling devices have for descaling the rolling stock either exclusively static nozzles or exclusively rotating nozzles. So it is understandable that with the previously known solutions only a limited number of manipulated variables can be influenced and thus not targeted to the product properties of the different long and Flat steel products and can not respond to process parameters and other targets.
  • the invention has for its object to provide a descaling, which is optimally operable in terms of their performance, the Entzu concernings considerably, the energy and water consumption and has a high availability.
  • the spray nozzles of the descaling device are designed as static nozzles and as dynamic or rotating nozzles, and at least one predeterminable number of spray nozzles can be combined with one another in view of their controlled or controlled application.
  • a certain number of static spray nozzles forms a spray bar pair together with a spray bar arranged above and below the transport plane of the steel material to be descaled, which extends transversely to the transport plane.
  • several such spray bar pairs may be present in the descaling device.
  • a certain number of dynamic or rotary spray nozzles arranged in a plurality of injection units arranged above and in the transport plane form at least one respective injection unit row extending transversely to the transport plane, and two each substantially opposing injection units rows to form an injection unit series pair.
  • Both the at least one spray bar pair and the at least one injection unit row pair can according to the invention form in their longitudinal extension one or more spray zones which can be charged with water as required.
  • the individual spray zones are individually over suitable means, for example via control valves, switched on and off, and at least one pressure source switchable or switched off from the pressure source.
  • a first arrangement variant provides that several spray bar pairs are arranged one after the other in the transport direction of the steel material and a device for squeezing or retaining the spray water impinging on the surface of the steel material is arranged between each of a first spray bar pair and a second spray bar pair ,
  • a second arrangement variant provides that at least one injection unit row pair is arranged after a first and a second spray bar pair in the transport direction of the steel material.
  • a third arrangement variant provides that at least one injection unit row pair is arranged between the first spray bar pair and the second spray bar pair.
  • a fourth arrangement variant provides that in the transport direction of the steel material several injection units-row pairs are arranged one after another and the injection units-row pairs at least one spray bar pair is assigned.
  • a fifth arrangement variant provides that at least one injection unit row pair and subsequently at least one spray bar pair is arranged in the transport direction of the steel material.
  • two spray bars arranged offset from one another in each case form a spray bar module, which is received displaceably or exchangeably in the housing of the descaling device transversely to the transport direction of the steel material.
  • the respective injection unit rows are arranged on a rail located transversely to the transport plane within the housing and are received in a modular manner by the running rail.
  • a device for squeezing off or retaining the spray water is arranged between in each case two spray bar pairs and / or between in each case two injection unit row pairs.
  • the object underlying the invention is achieved in that the spray nozzles are static see nozzle, which together with spray bar at least a first and second spray bar module and that between two modules, a further device is arranged the squeezing or retention of the incident on the surface of the steel material spray water is used.
  • the object underlying the invention is further achieved in that the spray nozzles are first static nozzles, which together with spray bars form at least one spray bar module, and the spray nozzles are second dynamic or rotating nozzles in a nozzle head an injection unit are formed, wherein a plurality of such injection units are arranged in a row above and below and transverse to the transport plane of the steel material and form an injection unit row module, and that between the spray bar module and the injection units row module, a further means is arranged, the squeezing or retaining the splashing water impinging on the surface of the steel to be descaled.
  • this may be positioned downstream of a continuous casting machine and / or in a single-stage or multi-stand hot rolling line designed as a production line, specifically before at least one hot rolling stand.
  • the production line 1 shows a detail of a production line 1, which converts a hot steel material 2 to a long and flat product.
  • the production line 1 comprises a continuous casting machine 3, strand guiding means 4, between which the steel material 2 is guided and transported in a horizontal plane for further processing.
  • a first step of the further processing may be, for example, that the steel material 2 passes through a scissor assembly 5 synchronized with the casting speed, in which the steel material is cut into sections of predetermined length.
  • the scissor assembly 5 may, as is well known, be preceded by a straightening driver, not shown here, which is also synchronized with the casting speed.
  • each section of the steel material 2 passes through a first descaling device 6 or 8 designed according to the invention.
  • FIG. 2 illustrates, with regard to the use of spray bars for descaling the steel material 2, an alternative embodiment of a known descaling device 6, namely, spraying nozzles 12, which are designed as static nozzles, together with at least one over and under - At least one arranged below the transport plane 10 of the steel material 2 spray bars 13.1 and 13.2 to form a spray bar pair 13.
  • This descaling device 6 comprises a housing 14, in which in the rolling direction 15, the horizontally extending transport plane 10 for the Stahlmateria! 2 is formed.
  • the transport plane 10 is formed by the roller conveyor rollers 16 arranged within the housing 14 and over its longitudinal extension and the rollers 17. 1 of a plurality of devices 17 arranged in the housing 14, which are arranged parallel to the roller conveyor rollers 16.
  • the descaling device 6 further comprises a first spray bar pair 13 and a second spray bar pair 20.
  • the first spray bar pair 13 consists of the first spray bar 13.1 arranged below the transport plane 10 and the second spray bar 13.2 arranged above the transport plane 10.
  • the first spray bar 13.1 is preferably arranged stationary, while the second spray bar 13.2 is preferably arranged vertically adjustable.
  • each spray bar 13.1, 13.2 is assigned a spray water collecting channel 18 or 19 above the transport plane 10.
  • spray bar 13.2 associated splash water gutter 19 is either fixed or height-adjustable.
  • the spray bars 13.1, 13.2 form in their longitudinal extent across the transport plane 10 a plurality, not shown here, spray zones, which can be switched on and off via suitable control means. This individual and targeted admission of the steel material 2 is achieved with spray water and simultaneously worked on a saving of spray water and electrical energy to operate the trained example as a pump spray water pressure source.
  • the second spray bar pair 20, which is arranged in the descaler 6, is identical to the spray bar pair 13 in terms of its design and its arrangement within the housing 14.
  • the assignment of the spray water collecting channels 18, 19 is identical, so that this can be dispensed with further explanations.
  • a means 17 for squeezing or retaining the spray water is arranged, which is identical in construction to the input side and output side of the descaling device 6 arranged means 17 and in principle those corresponds, as disclosed in EP 1 077 095.
  • the respective spray bar pair 13, 20 arranged in the descaling device 6 is furthermore designed as a spray bar module and arranged displaceably and interchangeably in the housing 14 on suitable means transversely to the transport direction 11 of the steel material 2.
  • the housing 14 of the descaler 6 is covered from above by a hood 21.
  • the purpose of such a hood 21 is sufficiently described in EP 1 077 095 B1, so that further explanations can be dispensed with.
  • a descaling device 8 which differs from the devices known from the prior art and of the described Device according to Fig.2 different.
  • the difference is that for descaling the steel material 2 both spray nozzles 12 are used, which are designed as static nozzles, and with at least one below and at least one arranged above the transport plane 10 spray bars 13.1, 13.2 form a spray bar pair 13 or spray bar module , as well as spray nozzles 12 are used, which are designed as dynamic or rotating spray nozzles, and which are formed in a plurality of injection units 22 arranged above and in several below the transport plane 10.
  • the injection units 22 are formed in each case at least one injection unit row 22.1, 22.2, which are arranged offset in the opposite direction and transversely over and under the transport plane 10 of the steel material 2.
  • Two such injection unit rows 22.1 22.2 thus form an injection unit row pair 23.
  • Each injection bar of the spray bar pair 13 and each injection unit row of the injection unit row pair 23 can be divided over its longitudinal extent in several spray zones to splash on demand and targeted to the surface of the steel to be descaled steel 2.
  • suitable means are present, by means of which both the spray bar pair 13 and the injection unit series pair 23 and the injection zones of the pairs 13, 23 depending on demand to a pressure source not shown here are switched on and off.
  • an injection unit row pair 23 with the associated spray water collecting box 24, 25 is arranged here in the transport direction 11 or in the rolling direction 15. Between the spray bar pair 13 and the injection unit row pair 23, a device 17 for squeezing or retaining the spray water is provided, as already apparent from Fig.2.
  • the injection units rows 22.1, 22.2 and / or the individual injection units 22 are also designed here in the manner of a module, so that in the event of an accident, the modules can be replaced without significant effort.
  • the injection unit row 22.1 arranged below the transport plane 10 can be accommodated, for example, by a running rail 26 provided within the housing 14, while the injection unit row 22.2 arranged above the transport plane 10 can be movably arranged on the hood 21.
  • spray nozzles 12 also advantageously results in simultaneous operation of the injection unit row pair 23 and the spray bar pair 13, the break with the first spray bar pair 13 seen in the transport direction 10 and the cleaning of the surface of the steel material 2 can be done from the broken scale with the second injection units series pair 23.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Spray Control Apparatus (AREA)
  • Metal Rolling (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

La présente invention concerne un dispositif de décalaminage qui peut faire l'objet d'une utilisation optimale en ce qui concerne son rendement, la qualité de son calaminage et la consommation d'énergie et d'eau, et qui présente une disponibilité élevée. A cet effet, les buses de pulvérisation (12) qui sont à l'origine du décalaminage du matériau d'acier (2) dans le dispositif de décalaminage (8), sont conçues en tant que buses statiques et buses dynamiques ou rotatives, les buses statiques formant avec des barres de pulvérisation des paires de barres de pulvérisation (13), et les buses dynamiques ou rotatives formant avec des unités de pulvérisation des paires d'unités de pulvérisation (23).
PCT/EP2009/006278 2008-09-13 2009-08-31 Dispositif de décalaminage WO2010028754A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP09778207A EP2334448A2 (fr) 2008-09-13 2009-08-31 Dispositif de décalaminage
CN2009801369114A CN102149486A (zh) 2008-09-13 2009-08-31 除锈装置
US13/063,383 US20110252616A1 (en) 2008-09-13 2009-08-31 Descaling device
JP2011526394A JP2012501854A (ja) 2008-09-13 2009-08-31 デスケール装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008047029A DE102008047029A1 (de) 2008-09-13 2008-09-13 Entzunderungsvorrichtung
DE102008047029.5 2008-09-13

Publications (2)

Publication Number Publication Date
WO2010028754A2 true WO2010028754A2 (fr) 2010-03-18
WO2010028754A3 WO2010028754A3 (fr) 2010-05-06

Family

ID=41667783

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/006278 WO2010028754A2 (fr) 2008-09-13 2009-08-31 Dispositif de décalaminage

Country Status (8)

Country Link
US (1) US20110252616A1 (fr)
EP (1) EP2334448A2 (fr)
JP (1) JP2012501854A (fr)
KR (1) KR20110033951A (fr)
CN (1) CN102149486A (fr)
DE (1) DE102008047029A1 (fr)
RU (1) RU2011114293A (fr)
WO (1) WO2010028754A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210041509A (ko) * 2019-10-07 2021-04-15 저지앙 모퍼 인바이런멘탈 테크놀로지 컴퍼니 리미티드 스틸와이어 스케일링장치

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104475466A (zh) * 2014-11-25 2015-04-01 北京首钢国际工程技术有限公司 一种热轧带钢高压水除鳞设备

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DE4302331A1 (de) * 1993-01-28 1994-08-04 Schloemann Siemag Ag Zunderwäscher
EP0625383A1 (fr) * 1993-05-17 1994-11-23 DANIELI & C. OFFICINE MECCANICHE S.p.A. Ligne de fabrication de bandes et/ou feuilles métalliques
EP0661109A1 (fr) * 1993-12-31 1995-07-05 ZIBULLA & SOHN GMBH Raziol-Schmierungstechnik Dispositif pour le nettoyage, dégraissage et séchage de surfaces de bandes en mouvement
JPH11216513A (ja) * 1998-01-28 1999-08-10 Nkk Corp 鋼材のデスケーリング装置

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Publication number Priority date Publication date Assignee Title
DE4302331A1 (de) * 1993-01-28 1994-08-04 Schloemann Siemag Ag Zunderwäscher
EP0625383A1 (fr) * 1993-05-17 1994-11-23 DANIELI & C. OFFICINE MECCANICHE S.p.A. Ligne de fabrication de bandes et/ou feuilles métalliques
EP0661109A1 (fr) * 1993-12-31 1995-07-05 ZIBULLA & SOHN GMBH Raziol-Schmierungstechnik Dispositif pour le nettoyage, dégraissage et séchage de surfaces de bandes en mouvement
JPH11216513A (ja) * 1998-01-28 1999-08-10 Nkk Corp 鋼材のデスケーリング装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210041509A (ko) * 2019-10-07 2021-04-15 저지앙 모퍼 인바이런멘탈 테크놀로지 컴퍼니 리미티드 스틸와이어 스케일링장치
WO2021068450A1 (fr) * 2019-10-07 2021-04-15 浙江谋皮环保科技有限公司 Dispositif d'élimination de calamine de fil d'acier
KR102447026B1 (ko) 2019-10-07 2022-09-26 저지앙 모퍼 인바이런멘탈 테크놀로지 컴퍼니 리미티드 스틸와이어 스케일링장치

Also Published As

Publication number Publication date
CN102149486A (zh) 2011-08-10
RU2011114293A (ru) 2012-10-27
DE102008047029A1 (de) 2010-03-18
JP2012501854A (ja) 2012-01-26
EP2334448A2 (fr) 2011-06-22
WO2010028754A3 (fr) 2010-05-06
US20110252616A1 (en) 2011-10-20
KR20110033951A (ko) 2011-04-01

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