EP1420912B1 - Vorrichtung zum kühlen von material durch erzeugen eines flachstrahls - Google Patents

Vorrichtung zum kühlen von material durch erzeugen eines flachstrahls Download PDF

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Publication number
EP1420912B1
EP1420912B1 EP02796224A EP02796224A EP1420912B1 EP 1420912 B1 EP1420912 B1 EP 1420912B1 EP 02796224 A EP02796224 A EP 02796224A EP 02796224 A EP02796224 A EP 02796224A EP 1420912 B1 EP1420912 B1 EP 1420912B1
Authority
EP
European Patent Office
Prior art keywords
housing
wall
nozzle
fan jet
bar
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
EP02796224A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1420912A1 (de
Inventor
Friedhelm Kuehn
Sahibzada Saeedurrahman Laiquddin
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.)
LOI Thermprocess GmbH
Original Assignee
LOI Thermprocess GmbH
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 LOI Thermprocess GmbH filed Critical LOI Thermprocess GmbH
Publication of EP1420912A1 publication Critical patent/EP1420912A1/de
Application granted granted Critical
Publication of EP1420912B1 publication Critical patent/EP1420912B1/de
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
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
    • 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
    • B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
    • 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
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates

Definitions

  • the invention relates to a device for cooling of plate or web-shaped Material by generating a flat jet, which is directed to the material to be cooled is, with a housing that has at least one connector for initiating a Coolant is provided and forms a flat jet nozzle; with a distributor plate, which is provided with a passage opening over which the Flat jet nozzle is exposed to the cooling medium.
  • Such devices are used primarily for the controlled cooling of sheets and Tapes in the steel processing industry.
  • Another application is the Plastics processing.
  • a device of the type mentioned is known from FR-A1 151 450.
  • Two Walls of a housing form a flat jet nozzle.
  • In the case are one behind the other two distributor plates arranged with passages to the outlet of the To even out coolant.
  • the invention is based on the problem that welded structures at least then no longer be able to achieve a very even cooling when working with extremely wide flat jets in the order of five meters.
  • the nozzle is in small distance above or below the material to be cooled and is accordingly exposed to significant heat radiation.
  • a warping of Welded construction is particularly detrimental to the configuration of the nozzle out.
  • the nozzle can deform arcuately, both in the transport direction as well as perpendicular to it. Also, she can get lost.
  • the deformation cause the thickness of the flat strip to vary over the flat beam width. All These deformations have the disadvantage that the material on his Width is cooled unevenly. Corresponding quality losses are the result.
  • the invention has for its object to provide a device of this kind, the It has a large machining width and is nevertheless able to control the cooling process perform very evenly and in this way a high quality machining to ensure.
  • the device according to the invention characterized in that the housing consists of a first housing and a second housing is formed, which consist of cast steel, connected together are and clamp between them the distributor plate, wherein the first housing extends across the width of the flat jet nozzle and that a ledge with the first wall the first housing is connected and together with the second wall of the first Housing forms the flat jet nozzle.
  • the invention works with the two interconnected housings made of Cast steel exist and clamp between them the distributor plate. In this way creates a rigid, torsion-free construction, even at extreme Flat jet width withstands high thermal loads without it becoming too Deformation of the nozzle comes. The cooling process is therefore very even, so that Sheets of high quality can be produced.
  • the second housing which is preferably also across the width of the flat jet extends, absorbs the cooling medium and evenly distributed over the distributor plate to the interior of the first housing.
  • the application is correspondingly uniform the nozzle over the width of the flat jet.
  • the second housing a plurality having ports for introducing the cooling medium and that the surface thereof at least the surface of the passage openings of the distributor plate corresponds.
  • the stability of the construction can be further increased by the fact that the interior the first and / or the second housing extending in the direction of flow Cast webs is provided. Overall, there is a relatively flat, upright assembly, due to the cast construction of the two housings and the clamping the distributor plate, even with extreme length torsionally stiff and thermally highly resilient is.
  • the cast webs of the first housing terminate at a distance in front of the nozzle, preferably at least one and a half times the nozzle length corresponds. To this This ensures that the disturbances caused by the cast webs Flow subsided before the cooling medium enters the nozzle.
  • the length of the nozzle is preferably 10 mm to 40 mm, to a beam expansion to meet after exiting the nozzle.
  • the strip on the outer surface the first wall of the first housing is arranged. So the bar can not be too lead to a weakening of the housing construction. In addition, there are no sealing problems on. Leaks would affect the uniformity of the flat jet and cause a corresponding reduction in the quality of the work result.
  • the strip sealing metallic abuts the outer surface of the first wall of the first housing.
  • the strip is supported on one of the first wall of the first housing protruding shoulder off. This will also increase the rigidity of the entire construction increased.
  • the thickness of the flat jet is adjustable. It has been shown that Unteriegleisten the are most suitable, an exact nozzle adjustment even with large Dusenerstreckung to enable reliable.
  • the first wall of the first housing is angled and designed so that it is aligned in the nozzle area perpendicular to the second wall.
  • the nozzle is formed between plane-parallel surfaces, from one on the ledge and the other ah on the second Wall of the first housing is arranged. It can the Arrangement are made so that the two housings a upright, arranged perpendicular to the material to be cooled Form assembly, wherein the first wall of the first housing is angled at 40 ° to 50 °, so that so the flat jet also at an angle of 90 ° to 50 ° to be cooled Material hits.
  • the device serves to generate a flat jet, which is directed against a steel sheet 1.
  • the steel sheet 1 is transported from left to right in FIG.
  • the Width of the flat jet measured perpendicular to the plane of the drawing of Figure 1, is five meters.
  • the device has a first housing 2 made of cast steel on, extending over the entire width of the flat jet extends. It consists essentially of a first wall 3 and a second wall 4, which over Gußstege 5 and not shown end walls are interconnected.
  • first wall 3 On the outer surface of the first wall 3 is a bar. 6 arranged, with the second wall 4 a flat jet nozzle forms.
  • the first wall 3 is angled, and the second Wall 4 is guided so that they are in the nozzle area with the first wall 3 forms a right angle. From this configuration results in that angle, below which the flat jet impinges on the steel sheet 1.
  • the length of the nozzle is 20 mm in the present case. This ensures that the thickness of the flat jet only slightly widened after exiting the nozzle.
  • the Gußstege 5 ends at a distance in front of the nozzle, the the multiple of the nozzle length corresponds.
  • the through the Gußstege 5 caused disturbances in the flow of the cooling medium So have already subsided when the cooling medium enters the nozzle. A very even education of the Flat jet is the result.
  • the arrangement of the bar 6 on the outer surface of the first wall 3 of the first housing 2 contributes to the increase of Stability of the first housing 2 at.
  • the bar 6 is by means of a screw 7 against the Outer surface of the first wall 3 braced. Besides, supports the bar 6 at one of the first wall 3 of the first Housing 2 projecting shoulder 8 from.
  • the height of the nozzle gap, So the thickness of the flat jet, is from a Unterlegmann 9 determines that between the bar 6 and the Shoulder 8 is arranged and by an additional screw 10 is fixed. When changing the nozzle is the Underlay 9 replaced.
  • the first housing 2 With screwed to a second housing 11.
  • the latter exists also made of cast steel and extends in one piece, such as also the first housing 2, over the entire width of the flat jet.
  • the second housing 11 is also provided with cast webs 12.
  • a distributor plate 13 clamped between the two housings 2 and 11 is a distributor plate 13 clamped. It has passage openings 14 for the cooling medium.
  • the two made of steel Housing 2 and 11 form with the interposition of the distributor plate 13 a rigid bond that is also among the ruling thermal loads remains dimensionally stable. Of the Flat fan can thus undisturbed and in a defined formation impinge on the steel sheet 1. This can be an optimal Achieve cooling result, resulting in a high material quality results.
  • the second housing 11 is provided with a plurality of terminals 15 provided for introducing the coolant.
  • the Coolant enters the interior of the second housing eleventh and is of the distributor plate 13 evenly over the Width of the beam is distributed. Through the passages 14 then passes into the interior of the first housing. 2 and at its exit end into the flat jet nozzle.
  • the Arrangement is made such that the terminals 15 in total define a passage area that is at least the sum corresponds to the passage areas of the passage openings 14, whereby with increasing ratio the Distribution of the cooling medium improved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Nozzles (AREA)
  • Constitution Of High-Frequency Heating (AREA)
EP02796224A 2001-08-27 2002-08-13 Vorrichtung zum kühlen von material durch erzeugen eines flachstrahls Expired - Lifetime EP1420912B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20114136U DE20114136U1 (de) 2001-08-27 2001-08-27 Vorrichtung zum Kühlen von Material durch Erzeugen eines Flachstrahls
DE20114136U 2001-08-27
PCT/EP2002/009039 WO2003018232A1 (de) 2001-08-27 2002-08-13 Vorrichtung zum kühlen von material durch erzeugen eines flachstrahls

Publications (2)

Publication Number Publication Date
EP1420912A1 EP1420912A1 (de) 2004-05-26
EP1420912B1 true EP1420912B1 (de) 2005-07-20

Family

ID=7960986

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02796224A Expired - Lifetime EP1420912B1 (de) 2001-08-27 2002-08-13 Vorrichtung zum kühlen von material durch erzeugen eines flachstrahls

Country Status (8)

Country Link
EP (1) EP1420912B1 (ja)
JP (1) JP2005500169A (ja)
KR (1) KR20040035744A (ja)
CN (1) CN1263550C (ja)
AT (1) ATE299765T1 (ja)
DE (2) DE20114136U1 (ja)
RU (1) RU2294813C2 (ja)
WO (1) WO2003018232A1 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102319748A (zh) * 2011-07-08 2012-01-18 东北大学 一种产生扁平射流的冷却装置及制造方法
WO2015075041A1 (de) 2013-11-25 2015-05-28 Loi Thermprocess Gmbh Verfahren zum wärmebehandeln und abschreckeinrichtung zum kühlen von platten- oder bahnförmigem blech aus metall
DE102017104550A1 (de) 2017-03-04 2018-09-06 Loi Thermprocess Gmbh Einrichtung und Verfahren zum Abkühlen eines Flacherzeugnisses
WO2019101610A1 (de) 2017-11-22 2019-05-31 Sms Group Gmbh Verfahren zum kühlen eines metallischen guts und kühlbalken
DE102018220319A1 (de) 2018-11-27 2020-05-28 Sms Group Gmbh Kühlvorrichtung und Kühlsystem zum Kühlen eines Kühlguts
DE102019101948A1 (de) * 2019-01-25 2020-07-30 Loi Thermprocess Gmbh Einrichtung und Verfahren zum Abkühlen von metallischem Blech

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20114136U1 (de) * 2001-08-27 2001-11-29 LOI Thermprocess GmbH, 45138 Essen Vorrichtung zum Kühlen von Material durch Erzeugen eines Flachstrahls
KR100500756B1 (ko) * 2003-06-27 2005-07-11 주식회사 디엠에스 평판 디스플레이 표면 처리용 유체분사장치
DE102004051047A1 (de) * 2004-10-19 2006-04-27 Loi Thermprocess Gmbh Verfahren und Vorrichtung zum Abschrecken von Flachprodukten aus Stahl
CN100443207C (zh) * 2007-03-28 2008-12-17 辽宁省轧制工程技术中心 可形成扁平喷射流的冷却装置
DE102007024245B3 (de) * 2007-05-15 2008-08-28 Lechler Gmbh Sprühdüse
KR100849260B1 (ko) * 2008-01-03 2008-07-29 김호천 급냉 분사장치
CN101837379B (zh) * 2009-03-20 2013-04-24 宝山钢铁股份有限公司 一种层流宽度可偏调式冷却装置及控制方法
CN102049357B (zh) * 2010-12-23 2012-07-25 中冶京诚工程技术有限公司 缝隙式喷头冷却装置
KR101218708B1 (ko) * 2010-12-28 2013-01-07 재단법인 포항산업과학연구원 Ｐｆｃ 공정용 노즐
CN102274808A (zh) * 2011-07-08 2011-12-14 东北大学 可形成高密度喷射流的冷却装置
CN102266831B (zh) * 2011-07-08 2012-11-07 东北大学 一种可形成高密度喷射流的冷却装置及制造方法
CN103060536A (zh) * 2013-01-29 2013-04-24 中冶赛迪工程技术股份有限公司 一种自身宽向流量可调的防烘烤缝隙喷嘴
CN104043548B (zh) * 2014-06-06 2017-01-11 宁波中令清洁技术有限公司 用于除尘与去水的喷气清洁装置
CN105344502A (zh) * 2014-08-20 2016-02-24 宝山钢铁股份有限公司 高压滑块式狭缝喷射装置及其间隙调整方法
CN105435978B (zh) * 2016-01-20 2018-03-23 中国工程物理研究院化工材料研究所 用于搅拌设备的喷头
CN106424171B (zh) * 2016-09-18 2018-03-27 太原科技大学 一种用于热轧板带钢高压水除鳞装置
CN108746221A (zh) * 2018-05-22 2018-11-06 上海宝钢工业技术服务有限公司 高压狭缝式喷嘴

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB606036A (en) * 1945-01-01 1948-08-05 Alick Clarkson Venturi cleaning nozzle
FR1151450A (fr) * 1955-06-25 1958-01-30 Deutsche Edelstahlwerke Ag Dispositif de trempe ou de refroidissement brusque
NL7604452A (en) * 1976-04-27 1977-10-31 Hoogovens Ijmuiden Bv Cooling water sprayer for hot strip rolls - has very accurately adjustable full width slot(s)
DE20114136U1 (de) * 2001-08-27 2001-11-29 LOI Thermprocess GmbH, 45138 Essen Vorrichtung zum Kühlen von Material durch Erzeugen eines Flachstrahls

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102319748A (zh) * 2011-07-08 2012-01-18 东北大学 一种产生扁平射流的冷却装置及制造方法
CN102319748B (zh) * 2011-07-08 2013-09-25 东北大学 一种产生扁平射流的冷却装置及制造方法
WO2015075041A1 (de) 2013-11-25 2015-05-28 Loi Thermprocess Gmbh Verfahren zum wärmebehandeln und abschreckeinrichtung zum kühlen von platten- oder bahnförmigem blech aus metall
DE102017104550A1 (de) 2017-03-04 2018-09-06 Loi Thermprocess Gmbh Einrichtung und Verfahren zum Abkühlen eines Flacherzeugnisses
WO2019101610A1 (de) 2017-11-22 2019-05-31 Sms Group Gmbh Verfahren zum kühlen eines metallischen guts und kühlbalken
DE102018220319A1 (de) 2018-11-27 2020-05-28 Sms Group Gmbh Kühlvorrichtung und Kühlsystem zum Kühlen eines Kühlguts
WO2020109073A1 (de) 2018-11-27 2020-06-04 Sms Group Gmbh Kühlvorrichtung und kühlsystem zum kühlen eines kühlguts
DE102019101948A1 (de) * 2019-01-25 2020-07-30 Loi Thermprocess Gmbh Einrichtung und Verfahren zum Abkühlen von metallischem Blech

Also Published As

Publication number Publication date
RU2004109151A (ru) 2005-05-20
CN1263550C (zh) 2006-07-12
RU2294813C2 (ru) 2007-03-10
WO2003018232A1 (de) 2003-03-06
ATE299765T1 (de) 2005-08-15
CN1547517A (zh) 2004-11-17
KR20040035744A (ko) 2004-04-29
DE50203689D1 (de) 2005-08-25
EP1420912A1 (de) 2004-05-26
JP2005500169A (ja) 2005-01-06
DE20114136U1 (de) 2001-11-29

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