EP1943033B1 - Verfahren und vorrichtung zum reinigen von brammen, dünnbrammen, profilen oder dergleichen - Google Patents

Verfahren und vorrichtung zum reinigen von brammen, dünnbrammen, profilen oder dergleichen Download PDF

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Publication number
EP1943033B1
EP1943033B1 EP06792151A EP06792151A EP1943033B1 EP 1943033 B1 EP1943033 B1 EP 1943033B1 EP 06792151 A EP06792151 A EP 06792151A EP 06792151 A EP06792151 A EP 06792151A EP 1943033 B1 EP1943033 B1 EP 1943033B1
Authority
EP
European Patent Office
Prior art keywords
cleaning device
cast product
media
spray
casting
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.)
Revoked
Application number
EP06792151A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1943033A1 (de
Inventor
Thomas Runkel
Bernhard Ehls
Otmar Jannasch
Andreas Houben
Jürgen Armenat
Jürgen HEMMERLE
Karl Rittner
Uwe Kopfstedt
Ingo Schuster
Peter Jonen
Carsten Lippold
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 Group GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37487471&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1943033(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SMS Siemag AG filed Critical SMS Siemag AG
Publication of EP1943033A1 publication Critical patent/EP1943033A1/de
Application granted granted Critical
Publication of EP1943033B1 publication Critical patent/EP1943033B1/de
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B21B45/04—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
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/1206—Accessories for subsequent treating or working cast stock in situ for plastic shaping of strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
    • 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
    • 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
    • B21B45/06—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 of strip material

Definitions

  • the invention relates to a method for removing loose scale and other foreign matter from the top and / or bottom of a cast product such as slab, thin slab, profile or the like with the aid of flowable media by means of a cleaning device consisting of at least one and at least one arranged below the cast product injection device are sprayed onto the cast product.
  • a cleaning device consisting of at least one and at least one arranged below the cast product injection device are sprayed onto the cast product.
  • the invention also relates to a corresponding cleaning device.
  • a method for descaling belts in a rolling train with a scale scrubber and a finishing line arranged behind the scale scrubber in the running direction of the belt is known in which the belt is subjected to descaling pressure in the scrubber on the top and bottom and cooled within the finishing train , In this case, a symmetrical temperature distribution is generated at the top and bottom of the belt in the scale scrubber and maintained in the same way within the finishing train.
  • the invention relates to a descaling in combination with a rolling train.
  • an adjustment method for two shielding elements in which a metal strip having a metal strip width, a strip center and edge regions is transported on a roller table with a roller conveyor center in a transport direction.
  • the metal strip has a temperature profile over the metal strip width.
  • a cooling medium is shielded from the edge regions of the metal strip.
  • the shielding elements are adjusted in such a way that, viewed in the transport direction, the temperature profile approximates a setpoint temperature profile behind the shielding elements becomes.
  • the shielding elements are adjusted asymmetrically with respect to the roller table center.
  • This invention describes a method for influencing the spray width, which necessarily requires shielding elements.
  • a method for cooling hot steel sheet from an upstream hot rolling mill is characterized by EP 0 153 688 B1 known.
  • the steel sheet is longitudinally guided by pairs of upper and lower rolls arranged in the transport direction of the steel sheet, with cooling water being supplied from nozzles to a plurality of cooling units arranged in the same longitudinal direction on the upper and lower sides of the steel sheet.
  • Each cooling unit is arranged between adjacent upper and lower roller pairs.
  • the method consists of determining the temperature distribution in the steel sheet before starting the cooling, setting the desired average cooling rate, determining the distance from the sheet edge over which the supply of cooling water to at least the underside of the steel sheet due to the temperature distribution is to interrupt, so that the temperature of the inner edge portion of the steel sheet is kept above the temperature of the middle portion to ensure that the Ar3 transformation in the inner edge portion occurs simultaneously with or after the Ar3 transformation in the middle portion and interrupting the direct supply of the cooling water to the edge portion of the steel sheet over the Distance determined by the previous method step by shielding an appropriate number of nozzles.
  • This invention relates to hot steel sheets after hot rolling to produce specific sheet properties by defined cooling.
  • a cleaning device is for example from the DE 101 43 868 A1 or the WO 03/022 475 A1 and relates to a device for removing loose scale from the surface of a slab, in particular a mini - mill thin slab.
  • a mini mill comprises at least one slab caster, one slab separator, one temperature compensation furnace and one or more coiler roll stands.
  • a sprayer at least each comprises a relative to the slab lower spray tube and at least one upper spray tube, each spray tube is equipped with a number of spray nozzles.
  • the Abspritzvoretti is arranged in front of the temperature compensation furnace, in particular a roller hearth furnace.
  • the Ab moussevoretti is connected to a supply for water with technologically required pressure and with a measured according to the number of spray nozzles volume flow.
  • the supply pressure of the water to the spray pipes of the sprayer is between 5 and 15 bar, preferably less than 10 bar.
  • the invention has for its object to improve the known cleaning devices such that the cast product such as slab, thin slab, profile or the like by flexible adjustment, especially the cooling medium, is improved in its properties and to avoid the above-mentioned disadvantages.
  • the invention also relates to a device for carrying out the method according to the invention, in which rails are provided on which the cleaning device can be moved out of the casting line or the part of the cleaning device located above the cast product is detachable and can be lifted out by means of a lifting device.
  • a decisive advantage of the method according to the invention is, inter alia, that with controllable adjustment options for the amount and / or the effective width and / or the pressure of the flowable media are controlled separately for the upper and lower media supply at any time.
  • the cleaning device With a possibility to adjust the effective width of the cleaning device according to the cast product width, excessive cooling of the cast product edges is avoided.
  • the cleaning device is also able to follow a casting width change of the current cast product.
  • the width adjustment can be done by a switching device and / or manual means for decommissioning a defined number of media feeds.
  • the amount of media can be changed according to the casting speed to control the cooling regardless of the casting speed and the casting material.
  • the cleaning device is - as far as this is structurally possible - enclosed in a housing.
  • the media jets are optionally collected with gutters and defined laterally derived.
  • a medium flush can be provided in these collecting channels.
  • the invention enables a more flexible use and a secure production operation of a cleaning device as well as a better cleaning effect and reduction of unwanted side effects.
  • the settings of the cleaning device can be automatically adapted to the different casting parameters and casting production steps.
  • FIG. 1 a casting plant 1 is shown.
  • the casting product 3 emerging from a casting device 2 is deflected by means of rollers 4 from a vertical to a horizontal position.
  • the cast product 3 undergoes a cleaning device 5.
  • scale and other foreign matter are removed from the top and / or bottom of the cast product 3.
  • the cast product 3 is heated in a heating device 7.
  • spraying device 9 is provided.
  • a separating device 28 eg scissors
  • FIG. 2 An example of a cleaning device 5 is shown in FIG FIG. 2 shown in more detail.
  • the built on a foundation 10 / mounted cleaning device 5 consists of an upper frame 11 and a lower frame 12. On the upper frame 11 and the lower frame 12 injection devices 8, 9 are attached.
  • the spraying devices 8, 9 are equipped with a multiplicity of nozzles 13.
  • the spray devices 8, 9 are supplied via lines 14, 15 with a flowable medium.
  • baffles 17, 18 are mounted below the casting line.
  • the upper frame 11 is pivotally mounted and can be pivoted by means of a hydraulic cylinder 21 from the casting line 16, as in FIG. 3a shown.
  • the cleaning device 5 is mounted on rails 19, 20 movable and can be driven by means of a hydraulic cylinder 21 from the casting line 16.
  • FIG. 3b shows the alternative described cleaning device 5 outside of the casting line 16.
  • the upper frame 11 and the subframe 12 is formed in a U - shape.
  • the free ends 22, 23 are adjusted to stabilize the cleaning device 5 by means of bolts 24, 25 in corresponding holes of an abutment 26.
  • FIG. 4 an arrangement with two arranged above the casting product 3 spraying devices 8 and arranged below the casting product 3 spraying device 9 is shown.
  • the nozzles 13 are aligned so that they spray the wettable medium in the casting direction 16 or against the casting direction 16 on the cast product 3.
  • the nozzles 13 can be aligned, for example, at a fixed angle.
  • the two injection devices 8 arranged above the casting product 3 are aligned with one another. This reduces leakage of the flowable medium into or against the casting direction.
  • FIG. 5 an arrangement of nozzles 13 is shown in detail.
  • the spray cone 29 are designed so that an overlap occurs.
  • the surface of the cast product 3 is therefore completely charged with the flowable medium.
  • FIG. 6 shows a number of nozzles 13, which are arranged for an alternative Leksabspritzung.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Cleaning In General (AREA)
  • Continuous Casting (AREA)
  • Cleaning By Liquid Or Steam (AREA)
EP06792151A 2005-10-06 2006-09-20 Verfahren und vorrichtung zum reinigen von brammen, dünnbrammen, profilen oder dergleichen Revoked EP1943033B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005047936A DE102005047936A1 (de) 2005-10-06 2005-10-06 Verfahren und Vorrichtung zum Reinigen von Brammen, Dünnbrammen, Profilen oder dergleichen
PCT/EP2006/009108 WO2007039102A1 (de) 2005-10-06 2006-09-20 Verfahren und vorrichtung zum reinigen von brammen, dünnbrammen, profilen oder dergleichen

Publications (2)

Publication Number Publication Date
EP1943033A1 EP1943033A1 (de) 2008-07-16
EP1943033B1 true EP1943033B1 (de) 2012-06-20

Family

ID=37487471

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06792151A Revoked EP1943033B1 (de) 2005-10-06 2006-09-20 Verfahren und vorrichtung zum reinigen von brammen, dünnbrammen, profilen oder dergleichen

Country Status (12)

Country Link
US (2) US20090217945A1 (enExample)
EP (1) EP1943033B1 (enExample)
JP (1) JP4923055B2 (enExample)
KR (1) KR101153733B1 (enExample)
CN (1) CN101287559B (enExample)
BR (1) BRPI0616968A2 (enExample)
CA (1) CA2623528C (enExample)
DE (1) DE102005047936A1 (enExample)
RU (1) RU2377089C2 (enExample)
TW (1) TW200728004A (enExample)
UA (1) UA92755C2 (enExample)
WO (1) WO2007039102A1 (enExample)

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CN105834385B (zh) * 2016-05-20 2017-07-21 河北钢铁股份有限公司邯郸分公司 在线去除板坯侧面氧化铁皮的系统及其使用方法
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CN106984783B (zh) * 2017-04-13 2023-10-31 江苏环信机械工程有限公司 一种去除连铸坯表面氧化皮及浮渣的装置
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CN110355137A (zh) * 2019-06-21 2019-10-22 江苏城西宝兴教育产业发展有限公司 一种用于教育产业的手写板生产中的板材清洗装置
CN111230083B (zh) * 2020-03-13 2021-08-20 日照铸福实业有限公司 一种高效的铸造机械设备
CN111702011B (zh) * 2020-06-23 2024-11-26 河钢股份有限公司承德分公司 一种卷取机超声波位移传感器反射盘表面清洁装置
CN112547632B (zh) * 2020-11-17 2021-08-27 广州科技职业技术大学 一种智能化铝材表面污垢处理装置
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Also Published As

Publication number Publication date
DE102005047936A1 (de) 2007-04-12
KR101153733B1 (ko) 2012-06-14
CA2623528C (en) 2013-08-13
BRPI0616968A2 (pt) 2011-07-05
KR20080053274A (ko) 2008-06-12
CN101287559A (zh) 2008-10-15
JP4923055B2 (ja) 2012-04-25
RU2377089C2 (ru) 2009-12-27
UA92755C2 (ru) 2010-12-10
CA2623528A1 (en) 2007-04-12
TW200728004A (en) 2007-08-01
US20120036909A1 (en) 2012-02-16
CN101287559B (zh) 2011-08-17
WO2007039102A1 (de) 2007-04-12
RU2008107319A (ru) 2009-09-10
EP1943033A1 (de) 2008-07-16
JP2009509772A (ja) 2009-03-12
US20090217945A1 (en) 2009-09-03

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