WO2005082555A1 - Hydraulisch vorrichtung zum entzundern von warmem walzgut - Google Patents
Hydraulisch vorrichtung zum entzundern von warmem walzgut Download PDFInfo
- Publication number
- WO2005082555A1 WO2005082555A1 PCT/EP2004/001968 EP2004001968W WO2005082555A1 WO 2005082555 A1 WO2005082555 A1 WO 2005082555A1 EP 2004001968 W EP2004001968 W EP 2004001968W WO 2005082555 A1 WO2005082555 A1 WO 2005082555A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nozzle
- nozzles
- nozzle head
- rolling stock
- heads
- 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
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0463—Installation or apparatus for applying liquid or other fluent material to moving work of indefinite length
- B05B13/0484—Installation or apparatus for applying liquid or other fluent material to moving work of indefinite length with spray heads having a circular motion, e.g. being attached to a rotating supporting element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
- B05B7/0892—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point the outlet orifices for jets constituted by a liquid or a mixture containing a liquid being disposed on a circle
-
- 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 device for descaling warm rolling stock that is moved relative to the device by irradiation with high-pressure water with at least one row of nozzle heads with a plurality of nozzle heads that span the rolling stock width, each nozzle head being able to be driven by a motor about an axis of rotation that is essentially perpendicular to the surface of the rolling stock and at least two eccentrically has nozzles arranged on the axis of rotation.
- the nozzles in each nozzle head are arranged at different angles to the axis of rotation in order to achieve a uniform treatment of the rolling stock surface, so that the spray pattern of each nozzle covers a different radial area with respect to the axis of rotation of the nozzle head.
- the surface of the rolling stock to be treated by a nozzle head is to be descaled uniformly over the entire radius of the nozzle head.
- the nozzle arrangement and inclination of the nozzles of each nozzle head is made dependent on the distance of the nozzle heads from the surface of the rolling stock and on the distance between adjacent nozzle heads so that each nozzle head generates a spray pattern on the surface of the rolling material, which spray pattern of the one or more in the nozzle head row Nozzle heads at least tangent, better overlapped. This ensures that there are no more surface strips on the surface of the rolling stock during irradiation in which no or only inadequate descaling has taken place.
- the nozzles of each nozzle head are inclined radially outwards.
- the nozzles are also circumferential and in the direction of rotation, i.e. prematurely inclined with respect to the rotational movement of the nozzle head.
- Figure 1 shows a device according to the prior art in a perspective schematic representation.
- FIG. 3 shows a nozzle according to the prior art with the spray pattern generated therefrom
- FIG. 4 shows a schematic view of two nozzle heads arranged next to one another in a row of nozzle heads above the rolling stock according to the invention
- FIG. 5 is a view of the two nozzle heads in the direction of arrow V in Fig. 4th
- the device for descaling rolling stock 17 shown in FIG. 1 has two rows 18 arranged transversely to the direction of movement F of the rolling stock 17 and on both sides thereof, each with five stationary nozzle heads 20, one of which is shown in detail in FIG. 2.
- Each nozzle head 20 has four flat jet nozzles 21 distributed over the circumference, which are attached to a rotatably drivable ring 22 of the nozzle head 20 and are supplied via lines 9 with pressurized water at a pressure of 300 to 1000 bar.
- the ring 22 is driven at a speed in the range of 200 to 1000 rpm.
- the nozzle heads 20 are arranged at a distance a of the nozzles 21 from the surface of the rolling stock of the rolling stock moved in the direction of arrow F under the stationary row of nozzle heads. This distance is chosen so that the length t of the major axis and the length s of the minor axis of the elliptical jet pattern of each nozzle 21 according to FIG. 3 correspond to the desired values.
- the opening angle of the flat jet is between 0 ° and 15 °.
- the flattened ellipse 10 of the spray pattern according to FIG. 2 rotates due to the rotation of the nozzles 21 about the vertical axis of rotation A of the nozzle head 20, the rolling stock 17 being moved further under the nozzle heads 20 in the direction of arrow F.
- the rolling stock advances per revolution of the nozzle head 20 Amount d before.
- the distance d corresponds to a quarter to a fifth of the nozzle head radius. In this way, a spiral spray, ild according to FIG. 2 is generated overall.
- jet cones 28 of adjacent nozzle heads 20 do not touch each other or do not overlap sufficiently in areas between the nozzle heads, it can happen that surface strips 29 remain on the surface of the rolling stock which have not been descaled or have not been adequately descaled. This stands in the way of the desired realization of a uniform surface quality of the rolling stock over its entire width.
- each nozzle head a total of eight nozzles 1 to 8 are arranged evenly distributed over the circumference, the nozzle orifices on the underside of each nozzle head 20 being radially as far out as possible, i.e. are arranged as close as possible to the outermost circumference 25 of each nozzle head.
- the eight nozzles 1 to 8 are aligned along nozzle axes la to 8a.
- these nozzle axes la to 8a are radially outward by the angle ⁇ and also in the circumferential direction in the direction of rotation, i.e. leading in the direction of rotation f or f of the nozzle heads, inclined by the angle ⁇ . This results in a total inclination of each nozzle both in the radial direction and in the circumferential direction, the angles ⁇ and ⁇ do.
- Adjacent nozzle heads 20 rotate in the opposite direction in the embodiment shown. This means that in the gap b between two adjacent nozzle heads 20, their nozzles each reflect in the same direction, e.g. 5, the nozzles 7, 7 as a mirror image of one another obliquely upward. This is advantageous in terms of achieving a uniform surface quality.
- the torques of adjacent nozzle heads are compensated for by driving the nozzle heads in pairs.
- the number of rows of nozzle heads can be even or odd. Depending on the width of the rolling stock to be descaled, this number is larger or smaller. If different rolling stock widths are to be descaled on a rolling mill system, it is advantageous if the nozzle heads 20 can be switched off or switched on in pairs or groups.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Spray Control Apparatus (AREA)
- Treatment Of Fiber Materials (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2556992A CA2556992C (en) | 2004-02-27 | 2004-02-27 | Hydraulic device which is used to descale warm rolling products |
MXPA06009715A MXPA06009715A (es) | 2004-02-27 | 2004-02-27 | Dispositivo hidraulico que se usa para descascarillar productos laminados calientes. |
US10/590,193 US7958609B2 (en) | 2004-02-27 | 2004-02-27 | Hydraulic device which is used to descale warm rolling products |
AT04715276T ATE368532T1 (de) | 2004-02-27 | 2004-02-27 | Hydraulische vorrichtung zum entzundern von warmem walzgut |
DE502004004538T DE502004004538D1 (de) | 2004-02-27 | 2004-02-27 | Hydraulische vorrichtung zum entzundern von warmem walzgut |
PCT/EP2004/001968 WO2005082555A1 (de) | 2004-02-27 | 2004-02-27 | Hydraulisch vorrichtung zum entzundern von warmem walzgut |
ES04715276T ES2289488T3 (es) | 2004-02-27 | 2004-02-27 | Dispositivo hidraulico para descascarillar material laminado caliente. |
EP04715276A EP1718424B1 (de) | 2004-02-27 | 2004-02-27 | Hydraulische vorrichtung zum entzundern von warmem walzgut |
CN2004800421503A CN1925934B (zh) | 2004-02-27 | 2004-02-27 | 用于热轧件除鳞的液力设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2004/001968 WO2005082555A1 (de) | 2004-02-27 | 2004-02-27 | Hydraulisch vorrichtung zum entzundern von warmem walzgut |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005082555A1 true WO2005082555A1 (de) | 2005-09-09 |
Family
ID=34896210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/001968 WO2005082555A1 (de) | 2004-02-27 | 2004-02-27 | Hydraulisch vorrichtung zum entzundern von warmem walzgut |
Country Status (9)
Country | Link |
---|---|
US (1) | US7958609B2 (de) |
EP (1) | EP1718424B1 (de) |
CN (1) | CN1925934B (de) |
AT (1) | ATE368532T1 (de) |
CA (1) | CA2556992C (de) |
DE (1) | DE502004004538D1 (de) |
ES (1) | ES2289488T3 (de) |
MX (1) | MXPA06009715A (de) |
WO (1) | WO2005082555A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013224506A1 (de) | 2013-11-29 | 2015-06-03 | Sms Siemag Ag | Verfahren und Vorrichtung zum Entzundern einer metallischen Oberfläche sowie Anlage zum Herstellen von metallischen Halbzeugen |
EP3069794A1 (de) * | 2015-03-16 | 2016-09-21 | Lechler GmbH | Flachstrahldüse und verwendung einer flachstrahldüse |
WO2017158191A1 (de) | 2016-03-18 | 2017-09-21 | Sms Group Gmbh | Vorrichtung und verfahren zum entzundern eines bewegten werkstücks |
DE102019200760A1 (de) | 2019-01-22 | 2020-07-23 | Sms Group Gmbh | Vorrichtung und Verfahren zum Entzundern eines bewegten Werkstücks |
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CN101618406B (zh) * | 2008-06-30 | 2012-02-01 | 鞍钢股份有限公司 | 一种热轧酸洗板表面色差控制方法 |
DE102008047029A1 (de) | 2008-09-13 | 2010-03-18 | Sms Siemag Aktiengesellschaft | Entzunderungsvorrichtung |
DE102010004563A1 (de) * | 2010-01-14 | 2011-07-21 | SMS Siemag AG, 40237 | Verfahren und Vorrichtung zur Inline-Oberflächenbehandlung von Brammen |
CN101780445B (zh) * | 2010-03-02 | 2012-09-26 | 武汉钢铁(集团)公司 | 钢坯轧制前除鳞的螺旋喷嘴集合器 |
CN101780486B (zh) * | 2010-03-02 | 2012-05-30 | 武汉钢铁(集团)公司 | 钢坯轧制前的万向除鳞装置 |
ITMI20110368A1 (it) * | 2011-03-10 | 2012-09-11 | Danieli Off Mecc | Discagliatore oscillante e metodo per discagliare un semilavorato metallurgico |
WO2013159786A1 (de) | 2012-04-24 | 2013-10-31 | Gaydoul Juergen | Verfahren und anlage zum nachbehandeln eines gegossenen und/oder warm gewalzten stahlproduktes |
CN102794317B (zh) * | 2012-08-16 | 2015-02-11 | 莱芜钢铁集团有限公司 | 一种铸坯表面除鳞装置及除鳞方法 |
CN103658204B (zh) * | 2012-09-25 | 2016-06-22 | 宝山钢铁股份有限公司 | 一种射流清洗喷嘴的布置方法 |
CN102921766B (zh) * | 2012-11-13 | 2015-11-04 | 河北宏润核装备科技股份有限公司 | 无缝钢管热挤压工艺中高温坯料的除鳞设备 |
CN103894429B (zh) * | 2014-03-28 | 2016-06-01 | 宝山钢铁股份有限公司 | 一种用于射流除鳞的除鳞单元布置方法及射流除鳞方法 |
DE102014109160B4 (de) | 2014-06-30 | 2020-04-23 | Hammelmann Maschinenfabrik Gmbh | Vorrichtung und Verfahren zum Reinigen eines Körpers mit einer abzutragenden Oberflächenschicht |
JP6310443B2 (ja) * | 2014-12-24 | 2018-04-11 | ポスコPosco | 圧延素材のデスケーラ |
CN105983498A (zh) * | 2015-02-11 | 2016-10-05 | 江苏沥泽生化科技有限公司 | 一种纳米银涂布装置 |
US10350617B1 (en) * | 2016-02-12 | 2019-07-16 | Konstantin Dragan | Composition of and nozzle for spraying a single-component polyurethane foam |
US10815353B1 (en) | 2016-06-03 | 2020-10-27 | Konstantin Dragan | Composition of and nozzle for spraying a single-component polyurethane foam |
US10702876B2 (en) * | 2016-06-03 | 2020-07-07 | Konstantin Dragan | System, composition, and method for dispensing a sprayable foamable product |
US20210316349A1 (en) * | 2018-08-21 | 2021-10-14 | Hermetik Hydraulik Ab | A Device and Method for Descaling Rolling Stock |
CN111940519A (zh) * | 2019-05-16 | 2020-11-17 | 辽宁前杜实业发展集团有限公司 | 一种轧钢生产线多级冷却系统 |
EP4015099A1 (de) * | 2020-12-15 | 2022-06-22 | Primetals Technologies Austria GmbH | Energieeffiziente herstellung eines ferritischen warmbands in einer giess-walz-verbundanlage |
EP4124204A1 (de) | 2021-06-17 | 2023-02-01 | Hermetik Hydraulik Ab | Dichtungsvorrichtung, dichtungssystem und verfahren zum abdichten einer leckage-strömung an einem maschinenelement |
CN115870341B (zh) * | 2023-01-03 | 2023-05-23 | 辛集市澳森钢铁集团有限公司 | 一种钢铁生产用自动热轧装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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DE4328303A1 (de) * | 1992-12-23 | 1994-06-30 | Juergen Gaydoul | Einrichtung zum Entzundern von warmem Walzgut |
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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US2217360A (en) * | 1938-05-18 | 1940-10-08 | Shell Dev | Hydraulic disruption of solids |
US3829019A (en) * | 1972-02-02 | 1974-08-13 | Chaska Chem Co Inc | Spinner assembly |
AT316453B (de) | 1972-07-27 | 1974-07-10 | Voest Ag | Elektrische Wanderfeld-Laufbahn |
CH570855A5 (de) * | 1973-06-12 | 1975-12-31 | Cerac Inst Sa | |
ES2108170T3 (es) | 1992-07-31 | 1997-12-16 | Danieli Off Mecc | Dispositivo de descascarillado que emplea agua. |
JP3307771B2 (ja) * | 1993-08-23 | 2002-07-24 | ハンス‐ユルゲン、ガイドール | 熱間圧延鋼板のデスケーリング手段 |
US5996200A (en) * | 1993-09-09 | 1999-12-07 | Sms Schloemann-Siemag Aktiengesellschaft | Descaling device and method |
-
2004
- 2004-02-27 EP EP04715276A patent/EP1718424B1/de not_active Expired - Lifetime
- 2004-02-27 AT AT04715276T patent/ATE368532T1/de active
- 2004-02-27 CA CA2556992A patent/CA2556992C/en not_active Expired - Lifetime
- 2004-02-27 US US10/590,193 patent/US7958609B2/en active Active
- 2004-02-27 ES ES04715276T patent/ES2289488T3/es not_active Expired - Lifetime
- 2004-02-27 DE DE502004004538T patent/DE502004004538D1/de not_active Expired - Lifetime
- 2004-02-27 MX MXPA06009715A patent/MXPA06009715A/es active IP Right Grant
- 2004-02-27 WO PCT/EP2004/001968 patent/WO2005082555A1/de active IP Right Grant
- 2004-02-27 CN CN2004800421503A patent/CN1925934B/zh not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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DE4328303A1 (de) * | 1992-12-23 | 1994-06-30 | Juergen Gaydoul | Einrichtung zum Entzundern von warmem Walzgut |
JPH11216513A (ja) * | 1998-01-28 | 1999-08-10 | Nkk Corp | 鋼材のデスケーリング装置 |
Non-Patent Citations (1)
Title |
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PATENT ABSTRACTS OF JAPAN vol. 1999, no. 13 30 November 1999 (1999-11-30) * |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013224506A1 (de) | 2013-11-29 | 2015-06-03 | Sms Siemag Ag | Verfahren und Vorrichtung zum Entzundern einer metallischen Oberfläche sowie Anlage zum Herstellen von metallischen Halbzeugen |
WO2015079052A1 (de) * | 2013-11-29 | 2015-06-04 | Sms Siemag Ag | Verfahren und vorrichtung zum entzundern einer metallischen oberfläche sowie anlage zum herstellen von metallischen halbzeugen |
RU2637192C1 (ru) * | 2013-11-29 | 2017-11-30 | Смс Груп Гмбх | Способ и устройство для снятия окалины с металлической поверхности, а также установка для изготовления металлических полуфабрикатов |
US10130981B2 (en) | 2013-11-29 | 2018-11-20 | Sms Group Gmbh | Method and device for descaling a metallic surface and installation for producing semifinished metallic products |
EP3069794A1 (de) * | 2015-03-16 | 2016-09-21 | Lechler GmbH | Flachstrahldüse und verwendung einer flachstrahldüse |
WO2017158191A1 (de) | 2016-03-18 | 2017-09-21 | Sms Group Gmbh | Vorrichtung und verfahren zum entzundern eines bewegten werkstücks |
DE102016217562A1 (de) | 2016-03-18 | 2017-09-21 | Sms Group Gmbh | Vorrichtung und Verfahren zum Entzundern eines bewegten Werkstücks |
DE102016217561A1 (de) | 2016-03-18 | 2017-09-21 | Sms Group Gmbh | Vorrichtung und Verfahren zum Entzundern eines bewegten Werkstücks |
WO2017157940A1 (de) | 2016-03-18 | 2017-09-21 | Sms Group Gmbh | Vorrichtung und verfahren zum entzundern eines bewegten werkstücks |
DE102019200760A1 (de) | 2019-01-22 | 2020-07-23 | Sms Group Gmbh | Vorrichtung und Verfahren zum Entzundern eines bewegten Werkstücks |
WO2020152003A1 (de) | 2019-01-22 | 2020-07-30 | Sms Group Gmbh | Vorrichtung und verfahren zum entzundern eines bewegten werkstücks |
Also Published As
Publication number | Publication date |
---|---|
ATE368532T1 (de) | 2007-08-15 |
CN1925934A (zh) | 2007-03-07 |
MXPA06009715A (es) | 2007-03-26 |
EP1718424A1 (de) | 2006-11-08 |
EP1718424B1 (de) | 2007-08-01 |
US20070277358A1 (en) | 2007-12-06 |
DE502004004538D1 (de) | 2007-09-13 |
CA2556992C (en) | 2010-10-19 |
CA2556992A1 (en) | 2005-09-09 |
ES2289488T3 (es) | 2008-02-01 |
CN1925934B (zh) | 2010-04-28 |
US7958609B2 (en) | 2011-06-14 |
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