EP1157755A2 - Düsenbalken für die Kühlung oder Entzunderung von metallischem Stranggut, insbesondere von Walzgut - Google Patents
Düsenbalken für die Kühlung oder Entzunderung von metallischem Stranggut, insbesondere von Walzgut Download PDFInfo
- Publication number
- EP1157755A2 EP1157755A2 EP01112443A EP01112443A EP1157755A2 EP 1157755 A2 EP1157755 A2 EP 1157755A2 EP 01112443 A EP01112443 A EP 01112443A EP 01112443 A EP01112443 A EP 01112443A EP 1157755 A2 EP1157755 A2 EP 1157755A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle bar
- bar according
- closure body
- coolant
- cooling
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title claims description 14
- 239000000463 material Substances 0.000 title claims description 5
- 238000005096 rolling process Methods 0.000 title description 4
- 239000002826 coolant Substances 0.000 claims description 46
- 239000007788 liquid Substances 0.000 claims description 30
- 239000000110 cooling liquid Substances 0.000 claims description 17
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract description 2
- 239000012809 cooling fluid Substances 0.000 abstract 5
- 239000000498 cooling water Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000109 continuous material Substances 0.000 description 2
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
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
- 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
-
- 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
Definitions
- the invention relates to a nozzle bar for descaling or cooling metallic extrudates, in particular from rolled stock, each with an inlet for the product treatment liquid and an additional inlet for a device coolant and a device coolant drain and a switching element assigned to this sequence for opening or closing the Device coolant drain.
- the cooling water is usually needed to "save” the cooling device itself Operation “against excessive heating and resulting damage protect. This is mentioned for the change between "out of service” and “in operation” Switching device with appropriate control command necessary to do this for the Cooling device switch off or on the necessary cooling water.
- the invention is based, for the time period of the switched off the task Product treatment liquid with a continuous strand product necessary cooling of the treatment, e.g. the cooling device itself.
- the switching element has an operating state controlling device coolant pressure is automatically switchable.
- the treatment liquid the treatment liquid drain is automatically closed or reopened later.
- the device itself is despite heat radiation of the continuous material is protected in every operating phase. Doing so will simplify Construction of only one chamber for the treatment liquid went out.
- Another improvement of the invention provides that in the area of the device coolant drain, arranged in a housing, a closure body can be acted upon in the flow path by means of device cooling liquid. Thereby the switching element with the designated in the narrowest area of the nozzle bar Properties created. At the same time, the nozzle bar is compact given so that an additional space is not required.
- the closure body advantageously consists of a by means of guide sections tapered body or spherical body mounted at both ends in the housing. Either the cone body as well as the spherical body can easily get out of the liquid flow around.
- the closure body is against the force of a compression spring, which coaxially surrounds a front guide shaft. This will the closure body is kept open against closing due to a restoring force.
- the restoring force of the closure body can also come from its own weight (alone or in combination with the compression spring).
- Another embodiment provides that in the direction of the flow path Device coolant to the front guide portion by one Liquid space is surrounded, in front of and behind the closure body, a coolant drain pipe connected.
- coolant drain pipe connected in the case of switched-on cooling of the continuous material or descaling is caused by increasing the fluid pressure in the nozzle bar and the associated increase in flow velocity generates a pressure drop in the area of the flow around the closure body, which overcomes the restoring force and the closure body in the closed position presses.
- Secure closure is brought about by the fact that for the closure body as a cone body in the housing at the entrance of the device liquid space a seat ring with a closing edge is arranged.
- the seat ring with closing edge can be cylindrical or conical.
- one Ball or spherical cap as the closure body has the same function.
- the arrangement of the treatment liquid drain is in the geodetic height to choose its highest level so that the closure body and the free Drainage below the geodetic level of the product treatment liquid and whose overflow pipes are arranged. This keeps the nozzle bar down Area filled with the device coolant, while a higher located overflow for the product treatment liquid is not reached and thereby the strand material with the supply of the product treatment liquid switched off is not wetted by the device coolant.
- the device coolant is in a defined amount, that of the size the coolant drain, the required amount of coolant, the unit and corresponds to the function of the closure body, via an upstream Adjustment element and / or a check valve supplied.
- This makes it possible to Device coolant from the product treatment liquid supply can be removed bypassing the closed supply line of the product treatment liquid. No check valve is required in this arrangement. If the device coolant from the separate supply with less Pressure is supplied, the check valve is usually built in with the operating medium switched on, the inflow into the device coolant supply system to lock.
- the nozzle bar 1 consists of a flood pipe 2 and has one Device coolant drain 4 on.
- the nozzles of the nozzle bar 1 can from nozzle tubes as drawn, from slits or other openings consist.
- the product treatment liquid inlet 3 for the product treatment liquid 9a is visible in FIGS. 2 and 3.
- On the side of the device coolant drain 4 is a switching device 5 for the device cooling liquid 9b arranged.
- the switching element 5 is an operating state controlling pressure switched. For the exemplary embodiment, that the switching element 5 is switched off via an increased pressure.
- a housing 6 is flanged tight, in which a closure body 7 is acted upon in the flow path 8 by means of cooling liquid 9b becomes.
- the closure body 7 has a central cone body 10 and Guide sections 10a and 10b are connected at both ends.
- the guide sections 10a and 10b are slidably mounted in the housing 6.
- a spherical body or a spherical cap can also be used.
- the closure body 7 is against the force of a compression spring 11 on the front Guide section 10a is pushed against a bore shoulder in Housing 6 and against a shoulder of the front guide section 10a, employable.
- the compression spring 11 or in combination, the Restoring force of the vertically arranged closure body 7 from its own weight be derived.
- cooling liquid 9b is in front of the closure body 7 around the front guide section 10a Coolant space 12 is formed, to which a coolant drain pipe 13 is connected is.
- the flow path 8 leads between one for the closure body 7 as a conical body 10 in the housing 6 at the outlet of the coolant space 12 inserted (cone) seat ring 14 with locking edge and the cone body 10 through.
- the closure body 7 (see FIG. 1) is below the geodetic level 15 and under the overflow pipes 16 for the Product treatment liquid 9a arranged.
- the device coolant inlet 18 of the product treatment liquid inlet 3 provides a defined amount, the size of the device coolant drain 4, the amount of cooling liquid required (per unit of time), the unit and the function of the closure body 7 corresponds, the Amount of device cooling liquid 9b via an upstream adjusting member 17, e.g. a throttle 17a is supplied in a bypass.
- the device coolant 9b becomes a separate device coolant supply 20 fed at low pressure. It doesn't matter which one Circuit, the device coolant 9b is removed. For descaling In the warm area, simple water is usually e.g. 100-200 bar, up to 400 bar) in appropriate quantities.
- the check valve 19 is provided in order to switch on the product treatment liquid 9a the backflow into the device coolant supply 20 lock.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Metal Rolling (AREA)
- Nozzles (AREA)
Abstract
Description
- Fig. 1
- einen axialen Teilschnitt durch den Düsenbalken im Bereich des Vorrichtungs-Kühlflüssigkeits-Ablaufs,
- Fig. 2
- einen axialen Teilschnitt durch den Düsenbalken im Bereich des Produkt-Behandlungsflüssigkeits-Zulaufs unter Umgehung des Produkt-Behandlungsflüssigkeits-Zulaufs durch ein Rohr mit zusätzlicher Mengenregelung für die Vorrichtungs-Kühlflüssigkeit und
- Fig. 3
- einen axialen Teilschnitt durch den Düsenbalken im Bereich wie Fig. 2 jedoch mit Zuführung der Vorrichtungs-Kühlflüssigkeit aus separater Versorgung.
- 1
- Düsenbalken
- 2
- Flutrohr
- 3
- Produkt-Behandlungsflüssigkeits-Zulauf
- 4
- Vorrichtungs-Kühlflüssigkeits-Ablauf
- 5
- Schaltorgan
- 6
- Gehäuse
- 7
- Verschlusskörper
- 8
- Strömungsweg
- 9a
- Produkt-Behandlungsflüssigkeit
- 9b
- Vorrichtungs-Kühlflüssigkeit
- 10
- Kegelkörper
- 10a
- Führungsabschnitt, vorderer
- 10b
- Führungsabschnitt, hinterer
- 11
- Druckfeder
- 12
- Kühlflüssigkeits-Raum
- 13
- Kühlflüssigkeits-Ablaufrohr
- 14
- Sitzring mit Verschlusskante
- 15
- geodätisches Niveau
- 16
- Überlaufrohr
- 17
- vorgeschaltetes Einstellorgan
- 17a
- Drossel
- 18
- Vorrichtungs-Kühlflüssigkeits-Zulauf
- 19
- Rückschlagventil
- 20
- separate Kühlflüssigkeits-Versorgung
- 21
- hinterer Vorrichtungs-Kühlflüssigkeits-Raum
Claims (10)
- Düsenbalken für die Entzunderung bzw. Kühlung von metallischem Stranggut, insbesondere von Walzgut, mit jeweils einem Zulauf für die Produkt-Behandlungsflüssigkeit und einem zusätzlichen Zulauf für eine Vorrichtungs-Kühlflüssigkeit und einem Ablauf für die Vorrichtungs-Kühlflüssigkeit und einem diesem Ablauf zugeordneten Schaltorgan zum Öffnen oder Schließen des Vorrichtungs-Kühlflüssigkeits-Ablaufs,
dadurch gekennzeichnet, dass das Schaltorgan (5) über einen den Betriebszustand steuernden Vorrichtungs-Kühlflüssigkeits-Druck automatisch schaltbar ist. - Düsenbalken nach Anspruch 1,
dadurch gekennzeichnet, dass mittels des Schaltorgans (5) die für die Kühlung der Vorrichtung notwendige Vorrichtungs-Kühlflüssigkeits-Menge über einen erhöhten Kühlflüssigkeits-Druck abschaltbar ist. - Düsenbalken nach einem der Ansprüche 1 oder 2,
dadurch gekennzeichnet, dass im Bereich des Vorrichtungs-Kühlflüssigkeits-Ablaufs (4), in einem Gehäuse (6) angeordnet, ein Verschlusskörper (7) im Strömungsweg (8) mittels Vorrichtungs-Kühlflüssigkeit (9b) beaufschlagbar ist. - Düsenbalken nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass der Verschlusskörper (7) aus einem mittels Führungsabschnitten (10a, 10b) beidendig im Gehäuse (6) gelagerten Kegelkörper (10) oder Kugelkörper besteht. - Düsenbalken nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass der Verschlusskörper (7) gegen die Kraft einer Druckfeder (11), die koaxial einen vorderen Führungsabschnitt (10a) umgibt, anstellbar ist. - Düsenbalken nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, dass die Rückstellkraft des Verschlusskörpers (7) aus seinem Eigengewicht ableitbar ist. - Düsenbalken nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, dass in Richtung des Strömungswegs (8) der Vorrichtungs-Kühlflüssigkeit (9b) an den vorderen Führungsabschnitt (10a), der von einem Flüssigkeitsraum (12) umgeben ist, vor und hinter dem Verschlusskörper (7) ein Kühlflüssigkeits-Ablaufrohr (13) angeschlossen ist. - Düsenbalken nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, dass für den Verschlusskörper (7) als Kegelkörper (10) im Gehäuse (6) am Eingang des Vorrichtungs-Kühlflüssigkeits-Raums (12) ein Sitzring (14) mit Verschlusskante angeordnet ist. - Düsenbalken nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, dass der Verschlusskörper (7) und der freie Ablauf (4) unterhalb des geodätischen Niveaus (15) der Produkt-Behandlungsflüssigkeit (9a) und deren Überlaufrohre (16) angeordnet ist. - Düsenbalken nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet, dass die Vorrichtungs-Kühlflüssigkeit (9b) in einer definierten Menge, die der Baugröße des Kühlflüssigkeits-Ablaufs (4), der benötigten Kühlflüssigkeits-Menge, der Baueinheit und der Funktion des Verschlusskörpers (7) entspricht, über ein vorgeschaltetes Einstellorgan (17) und / oder ein Rückschlagventil (19) zuführbar ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10025639 | 2000-05-24 | ||
DE10025639A DE10025639A1 (de) | 2000-05-24 | 2000-05-24 | Düsenbalken für die Kühlung oder Entzunderung von metallischem Stranggut, insbesondere von Walzgut |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1157755A2 true EP1157755A2 (de) | 2001-11-28 |
EP1157755A3 EP1157755A3 (de) | 2004-02-04 |
EP1157755B1 EP1157755B1 (de) | 2005-07-13 |
Family
ID=7643336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01112443A Expired - Lifetime EP1157755B1 (de) | 2000-05-24 | 2001-05-22 | Düsenbalken für die Kühlung oder Entzunderung von metallischem Stranggut, insbesondere von Walzgut |
Country Status (6)
Country | Link |
---|---|
US (1) | US6698667B2 (de) |
EP (1) | EP1157755B1 (de) |
JP (1) | JP2002011513A (de) |
AT (1) | ATE299406T1 (de) |
DE (2) | DE10025639A1 (de) |
RU (1) | RU2264875C2 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3391977A4 (de) * | 2015-12-17 | 2019-01-23 | Posco | Kühlvorrichtung |
CN111801174A (zh) * | 2018-02-26 | 2020-10-20 | Sms集团有限公司 | 用于冷却待冷却的物件的冷却装置 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1938911A1 (de) | 2006-12-27 | 2008-07-02 | VAI Industries (UK) Ltd. | Vorrichtung und Verfahren zur kontrollierten Kühlung. |
DE102007017769B4 (de) * | 2007-04-16 | 2014-09-04 | Continental Automotive Gmbh | Waschflüssigkeitspumpe |
JP5130970B2 (ja) * | 2008-03-18 | 2013-01-30 | Jfeスチール株式会社 | 鋼材の冷却装置および冷却方法 |
JP5332772B2 (ja) * | 2009-03-18 | 2013-11-06 | Jfeスチール株式会社 | 鋼材の冷却装置および冷却方法 |
JP2010214433A (ja) * | 2009-03-18 | 2010-09-30 | Jfe Steel Corp | 鋼材の冷却装置および冷却方法 |
WO2011046466A1 (ru) * | 2009-10-14 | 2011-04-21 | Zamaleev Firdaus Usmanovich | Труба стальная с защитным покрытием |
TWI648573B (zh) * | 2017-09-11 | 2019-01-21 | 友達光電股份有限公司 | 陣列基板 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3433712C1 (de) | 1984-09-14 | 1986-05-28 | Mannesmann AG, 4000 Düsseldorf | Vorrichtung zum Abführen von Kühlwasser |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE790448A (fr) * | 1971-01-13 | 1973-02-15 | Southwire Co | Dispositif de refroidissement pour train de |
JPS5347012A (en) * | 1976-10-13 | 1978-04-27 | Hitachi Ltd | Nozzle header for pressurized-water descaling device |
US4233830A (en) * | 1978-11-14 | 1980-11-18 | Secim | Method for the continuous production of a bright copper rod by the rolling of stock obtained from a continuous casting apparatus |
US5001915A (en) * | 1986-09-22 | 1991-03-26 | David T. Blazevic | Method for improving hot strip mill processing |
US5263504A (en) * | 1990-12-28 | 1993-11-23 | Carolina Equipment And Supply Company, Inc. | Apparatus and method for cleaning with a focused fluid stream |
US5460023A (en) * | 1991-09-13 | 1995-10-24 | International Rolling Mill Consultants Inc. | Roll surface restoration system and method |
JP3274536B2 (ja) * | 1993-05-06 | 2002-04-15 | 川崎製鉄株式会社 | デスケーリング装置 |
US5675880A (en) * | 1996-08-29 | 1997-10-14 | Bethlehem Steel Corporation | Descaling system for use in the manufacture of steel and corresponding method |
-
2000
- 2000-05-24 DE DE10025639A patent/DE10025639A1/de not_active Withdrawn
-
2001
- 2001-05-22 EP EP01112443A patent/EP1157755B1/de not_active Expired - Lifetime
- 2001-05-22 DE DE50106718T patent/DE50106718D1/de not_active Expired - Lifetime
- 2001-05-22 AT AT01112443T patent/ATE299406T1/de active
- 2001-05-23 US US09/863,796 patent/US6698667B2/en not_active Expired - Fee Related
- 2001-05-23 RU RU2001114248/02A patent/RU2264875C2/ru not_active IP Right Cessation
- 2001-05-23 JP JP2001153460A patent/JP2002011513A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3433712C1 (de) | 1984-09-14 | 1986-05-28 | Mannesmann AG, 4000 Düsseldorf | Vorrichtung zum Abführen von Kühlwasser |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3391977A4 (de) * | 2015-12-17 | 2019-01-23 | Posco | Kühlvorrichtung |
CN111801174A (zh) * | 2018-02-26 | 2020-10-20 | Sms集团有限公司 | 用于冷却待冷却的物件的冷却装置 |
US11872615B2 (en) | 2018-02-26 | 2024-01-16 | Sms Group Gmbh | Cooling device for cooling a material to be cooled |
Also Published As
Publication number | Publication date |
---|---|
US6698667B2 (en) | 2004-03-02 |
RU2264875C2 (ru) | 2005-11-27 |
ATE299406T1 (de) | 2005-07-15 |
EP1157755B1 (de) | 2005-07-13 |
EP1157755A3 (de) | 2004-02-04 |
JP2002011513A (ja) | 2002-01-15 |
DE10025639A1 (de) | 2001-11-29 |
DE50106718D1 (de) | 2005-08-18 |
US20020011528A1 (en) | 2002-01-31 |
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