WO2007039102A1 - 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 PDFInfo
- Publication number
- WO2007039102A1 WO2007039102A1 PCT/EP2006/009108 EP2006009108W WO2007039102A1 WO 2007039102 A1 WO2007039102 A1 WO 2007039102A1 EP 2006009108 W EP2006009108 W EP 2006009108W WO 2007039102 A1 WO2007039102 A1 WO 2007039102A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cleaning device
- media
- cast product
- casting
- operated
- Prior art date
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
- 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.
- WO 02/070157 A1 discloses a process for descaling belts in a rolling train with a scale scrubber and a finishing train arranged behind the scale scrubber in the running direction of the belt, in which the belt in the scrubber on the top and bottom with water below Descaling pressure is applied and cooled within the finishing train. In this case, a symmetrical temperature distribution is generated at the top and bottom of the strip in the scale scrubber and maintained in the same way within the finishing mill.
- the invention relates to a descaling in combination with a rolling train.
- the apparatus is formed with a horizontal roller table for the steel sheet panel, with a plurality of above and below the steel sheet arranged at predetermined intervals in the longitudinal direction of the steel panels, extending in the width direction of the steel sheet spray jets, each of which has a length, the substantially is equal to the width of the steel sheet panel and having a plurality of nozzles for spraying cooling water on the steel sheet in the region of the two side edges of the steel sheet arranged Abprocessgliedern for interrupting the cooling water jets whose bottoms are inclined from the center of the steel sheet panels down.
- the shielding members are moved towards and away from each other in the width direction of the steel sheet panel on the roller table by means of a shifting device.
- the displacement device has in this case:
- the invention relates to a device for cooling a steel sheet after hot rolling, in which shielding elements are used.
- a method for cooling hot steel sheet from an upstream hot rolling train has become known from EP 0 153 688 B1.
- 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 above which the supply of cooling water to at least the bottom 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 known for example from DE 101 43 868 A1 or WO 03/022 475 A1 and relates to a device for removing loose scale from the surface of a slab, in particular a thin slab of a mini mill.
- a Mini MiII comprises at least one slab caster, a slab separation device, a temperature compensation furnace and one or more roll stands with coiler.
- a sprayer is mini- 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 Ab moussevoretti is arranged in front of the temperature compensation furnace, in particular a roller hearth furnace.
- the ejection device is connected to a feed for water with technologically required pressure and with a volume flow rated according to the number of spray nozzles.
- 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 existing solutions describe devices without adjustment options. If one presupposes a fixed amount of media, cleaning width and position cleaning device, the lack of flexibility u.a. undesirable cooling of the thin slab and an increased production risk. Furthermore, the top and bottom are cooled differently. With the same amount of media and the same media pressure, the thin slab top side is cooled more strongly than the underside due to the longer storage time of the medium. Then the thin slab head tends to lift. Thus, the passage of the thin slab in the following facilities is difficult. An abutment of the thin slab head in subsequent devices can lead to a transport problem. Then a casting demolition of the casting is necessary.
- the medium applied in the middle of the thin slab flows outwards, so that the amount of media and cooling effect at the edges is greater.
- the cleaning medium reaches the thin slab not only from above, but depending on the structural design also from the outside. There is a risk of cooling the slab edges too much.
- the cooling of the thin slab depends on the casting speed. At a lower casting speed, the cooling is greater with the same media loading than with higher casting speed.
- the casting speed of a casting plant of a casting plant is varied within a casting sequence in accordance with the production conditions. At the end of a casting sequence usually the last thin slab piece is separated and is on the roller table.
- this piece cools down so much that possibly necessary subsequent separation operations for crushing the last thin slab a much colder and thus more solid material must be separated. If a fault occurs in the casting plant, where the thin slab can no longer be removed from the plant, the thin slab must be divided into pieces for removal. In the area of the cleaning device, the cleaning device worsens the accessibility of the thin slab to the staff. In this case, access must be possible in a short time in order to avoid damage due to overheating of the system components by the horizontal thin slab.
- the head of the thin slab may hit against the cleaning device, especially if the distance between the thin slab surface and cleaning device is very dense.
- An undesirable side effect of the cleaning device is the cooling of the thin slab. The cooling is the stronger, the longer the medium has contact with the thin slab.
- cleaning medium is also unintentionally returned to the thin slab surface after the cleaning process. It may be that foreign substances such as scale are returned to the surface of the thin slab.
- the object of the invention is to improve the known cleaning devices in such a way that the cast product, such as slab, thin slab, profile or the like, can be adjusted by means of flexible adjustment possibilities, especially of the cooling device. mediums, 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.
- the spraying devices and / or the nozzles arranged on the spraying devices are designed to be addressable via a control system / control system.
- the decisive advantage of the method according to the invention is 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 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 to silence 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 may e.g. can be removed laterally from the casting line or mounted over the thin slab parts can be lifted out with a lifting device.
- the residence time of the flowable medium on the G confuse.ober Structure can be shortened.
- the equipment used can either be before and / or be used after the cleaning device: * An additional Abspritzung of the cast product with in quantity / or effective width and and / or pressure adjustable flowable medium, for example water at low pressure, prevents the media flow with or against the casting direction. * An additional air blow of the cast product supports the lateral media drain.
- the medium can be skimmed off the top of the cast product.
- 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.
- settings that depend on the production process can be partially or completely automated, or specified to the operating personnel as default values.
- 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 pouring parameters and casting production steps.
- FIG. 1 is a side view of a schematic thin slab system
- FIG. 2 is a side view of a cleaning device according to the invention within the casting line
- FIG. 3a shows a side view of the cleaning device according to the invention, opened by pivoting
- Fig. 5 in detail an arrangement of spray nozzles (shut-off nozzles are characterized by different line type) and
- Fig. 6 in detail an arrangement of a Lticiansabspritzung.
- FIG. 1 shows a casting installation 1.
- 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 passes through a cleaning device 5.
- scale and other foreign matters are removed from the top and / or bottom of the cast product 3.
- the cast product 3 is heated in a heating device 7.
- at least one injection device 8 arranged above the cast product 3 and at least one injection device 3 arranged below the cast product 3 are provided.
- spraying device 9 provided.
- a separating device 28 eg scissors
- FIG. 1 An example of a cleaning device 5 is shown in more detail in FIG.
- the cleaning device 5 constructed / mounted on a foundation 10 consists of an upper frame 11 and a lower frame 12.
- Spraying devices 8, 9 are fastened to the upper frame 11 and the lower frame 12.
- 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 shown in Figure 3a.
- 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 alternatively described cleaning device 5 outside the pouring line 16.
- the upper frame 11 and the lower frame 12 are 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 28.
- FIG. 4 shows an arrangement with two spraying devices 8 arranged above the cast product 3 and one spraying device 9 arranged below the cast product 3.
- 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 shows in detail an arrangement of nozzles 13.
- the injection 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 longitudinal injection.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Cleaning In General (AREA)
- Continuous Casting (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06792151A EP1943033B1 (de) | 2005-10-06 | 2006-09-20 | Verfahren und vorrichtung zum reinigen von brammen, dünnbrammen, profilen oder dergleichen |
KR1020087003375A KR101153733B1 (ko) | 2005-10-06 | 2006-09-20 | 슬래브, 박 슬래브, 프로파일 등을 세정하는 방법 및 장치 |
CA2623528A CA2623528C (en) | 2005-10-06 | 2006-09-20 | Method and device for cleaning slabs, thin slabs, profiled elements, or similar |
BRPI0616968-6A BRPI0616968A2 (pt) | 2005-10-06 | 2006-09-20 | processo e dispositivo para limpeza de placas, placas finas, perfilados ou semelhantes |
US12/083,040 US20090217945A1 (en) | 2005-10-06 | 2006-09-20 | Method and Device for Cleaning Slabs, Thin Slabs, Profiled Elements, or Similar |
CN2006800371927A CN101287559B (zh) | 2005-10-06 | 2006-09-20 | 用于清洁板坯、薄板坯、型材或类似产品的方法和装置 |
JP2008533889A JP4923055B2 (ja) | 2005-10-06 | 2006-09-20 | スラブ、薄スラブ、型鋼のクリーニングをするための方法及び装置 |
US13/276,834 US20120036909A1 (en) | 2005-10-06 | 2011-10-19 | Method and device for cleaning slabs, thin slabs, profiled elements, or similar |
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 |
DE102005047936.7 | 2005-10-06 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/083,040 A-371-Of-International US20090217945A1 (en) | 2005-10-06 | 2006-09-20 | Method and Device for Cleaning Slabs, Thin Slabs, Profiled Elements, or Similar |
US13/276,834 Division US20120036909A1 (en) | 2005-10-06 | 2011-10-19 | Method and device for cleaning slabs, thin slabs, profiled elements, or similar |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007039102A1 true WO2007039102A1 (de) | 2007-04-12 |
Family
ID=37487471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/009108 WO2007039102A1 (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 (de) |
EP (1) | EP1943033B1 (de) |
JP (1) | JP4923055B2 (de) |
KR (1) | KR101153733B1 (de) |
CN (1) | CN101287559B (de) |
BR (1) | BRPI0616968A2 (de) |
CA (1) | CA2623528C (de) |
DE (1) | DE102005047936A1 (de) |
RU (1) | RU2377089C2 (de) |
TW (1) | TW200728004A (de) |
UA (1) | UA92755C2 (de) |
WO (1) | WO2007039102A1 (de) |
Cited By (1)
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CN102166638B (zh) * | 2011-03-25 | 2013-01-09 | 中国重型机械研究院有限公司 | 氧化铁皮去除系统 |
DE102011119334A1 (de) * | 2011-11-25 | 2013-05-29 | Thyssenkrupp Steel Europe Ag | Verfahren und Vorrichtung zum Reinigen einer Oberfläche eines Stahlprodukts |
JP6318442B2 (ja) * | 2013-10-09 | 2018-05-09 | 三菱アルミニウム株式会社 | アルミニウムスラブの洗浄装置 |
CN104014500B (zh) * | 2014-06-09 | 2016-04-27 | 福州宝井钢材有限公司 | 一种电镀锌材料的清洗装置 |
CN104096814B (zh) * | 2014-07-04 | 2016-12-07 | 秦皇岛首秦金属材料有限公司 | 一种扇形段喷淋系统在线与离线清理装置及制作方法 |
CN105234118A (zh) * | 2015-11-10 | 2016-01-13 | 成都标建铝业有限公司 | 铝型材清洗设备 |
WO2018091562A1 (de) * | 2016-11-18 | 2018-05-24 | Sms Group Gmbh | Verfahren und vorrichtung zur herstellung eines kontinuierlichen bandförmigen verbundmaterials |
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KR101833456B1 (ko) | 2017-10-11 | 2018-02-28 | 최형식 | 프로파일 세척장치 |
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 |
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2005
- 2005-10-06 DE DE102005047936A patent/DE102005047936A1/de not_active Withdrawn
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2006
- 2006-09-20 UA UAA200803664A patent/UA92755C2/ru unknown
- 2006-09-20 BR BRPI0616968-6A patent/BRPI0616968A2/pt not_active IP Right Cessation
- 2006-09-20 KR KR1020087003375A patent/KR101153733B1/ko not_active IP Right Cessation
- 2006-09-20 RU RU2008107319/02A patent/RU2377089C2/ru not_active IP Right Cessation
- 2006-09-20 JP JP2008533889A patent/JP4923055B2/ja not_active Expired - Fee Related
- 2006-09-20 EP EP06792151A patent/EP1943033B1/de not_active Revoked
- 2006-09-20 US US12/083,040 patent/US20090217945A1/en not_active Abandoned
- 2006-09-20 CN CN2006800371927A patent/CN101287559B/zh not_active Expired - Fee Related
- 2006-09-20 CA CA2623528A patent/CA2623528C/en not_active Expired - Fee Related
- 2006-09-20 WO PCT/EP2006/009108 patent/WO2007039102A1/de active Application Filing
- 2006-09-20 TW TW095134704A patent/TW200728004A/zh unknown
-
2011
- 2011-10-19 US US13/276,834 patent/US20120036909A1/en not_active Abandoned
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105834385A (zh) * | 2016-05-20 | 2016-08-10 | 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 |
Also Published As
Publication number | Publication date |
---|---|
UA92755C2 (ru) | 2010-12-10 |
KR101153733B1 (ko) | 2012-06-14 |
CA2623528A1 (en) | 2007-04-12 |
CA2623528C (en) | 2013-08-13 |
RU2377089C2 (ru) | 2009-12-27 |
DE102005047936A1 (de) | 2007-04-12 |
JP4923055B2 (ja) | 2012-04-25 |
BRPI0616968A2 (pt) | 2011-07-05 |
CN101287559A (zh) | 2008-10-15 |
EP1943033A1 (de) | 2008-07-16 |
RU2008107319A (ru) | 2009-09-10 |
US20090217945A1 (en) | 2009-09-03 |
EP1943033B1 (de) | 2012-06-20 |
JP2009509772A (ja) | 2009-03-12 |
KR20080053274A (ko) | 2008-06-12 |
TW200728004A (en) | 2007-08-01 |
US20120036909A1 (en) | 2012-02-16 |
CN101287559B (zh) | 2011-08-17 |
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