EP0080086A1 - Device for cooling flat rolled products - Google Patents
Device for cooling flat rolled products Download PDFInfo
- Publication number
- EP0080086A1 EP0080086A1 EP82110137A EP82110137A EP0080086A1 EP 0080086 A1 EP0080086 A1 EP 0080086A1 EP 82110137 A EP82110137 A EP 82110137A EP 82110137 A EP82110137 A EP 82110137A EP 0080086 A1 EP0080086 A1 EP 0080086A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- distributor
- pipes
- pistons
- rolling stock
- guided
- 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.)
- Withdrawn
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims description 11
- 239000000498 cooling water Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 2
- 230000000694 effects 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
Definitions
- the invention relates to a device for cooling flat rolling stock, in particular rolled strip, by means of laminar cooling water jets, distribution pipes being arranged transversely above or below the rolling stock pass, the walls of which are provided with bores over the maximum rolling stock width and are connected to the guide tubes.
- the distributor pipes are connected at one end to a water supply line.
- the outlet pipes are inserted in the upper openings of the distributor pipes and are guided downwards in an arc on both sides.
- the range of effects resulting from the number and division of the guide tubes becomes designed according to the maximum rolling stock width. This has the disadvantage that with narrow rolling stock widths, a considerable part of the coolant flows uselessly onto the free side sections of the roller table.
- the coolant wastage should be avoided with changing rolling stock widths.
- the task is to create a cooling device whose range of action can be adjusted quickly and precisely to all rolling stock widths using simple means.
- distributor pipes are provided with a water connection approximately in the middle of their jacket and pistons sealingly guided on both sides within the pipe jacket are adjustable in opposite directions.
- the length of the water column within the distribution pipes is determined by adjusting the pistons. In this way, the exposure of water from guide tube to guide tube can be set exactly to the respective rolling stock width and the cooling water consumption can be reduced.
- the pistons can advantageously be adjustable by means of a spindle with a right-hand and Ling thread that is guided centrally in outer tube covers.
- the pistons are guided by means of bores on guide rods fastened in the tube covers and running parallel to the spindle.
- hot rolled strips 1 are conveyed on an outfeed roller table 2 and cooled with water over a defined area on the top and bottom.
- the cooling water is supplied through upper and lower water pipes 3, 4 which are attached to vertical supports 5.
- Each upper water pipe 3 is connected to a distributor pipe 7 arranged transversely above the roller table 2 and laterally closed by cover 6 in the middle thereof.
- the distributor pipe 7 is provided on the upper side with a plurality of guide pipes 8, which run downwards in an arc.
- the distributor pipe 10 is provided on its upper side with straight guide pipes 11 directed towards the underside of the band.
- Each lower water pipe 4 is connected to a distributor pipe 10 arranged below the roller table 2 and laterally closed by cover 9 in the middle thereof.
- the cooling water flowing in through a nozzle 12 fills the distributor pipe 7 or 10, rises evenly through bores 13 on the upper side thereof into the guide pipes 8 or 11 and flows onto the rolled strip 1.
- pistons 15, 16, each sealingly guided in the distributor tube 7 or 10 are guided on a right-hand or left-hand thread of a hand or motor-driven spindle 14 mounted in the covers 6 or 9.
- a rod 17 fastened in the covers 6 and 9 runs through the distributor pipe 7 and 10, which penetrates the pistons 15, 16 as a means of preventing rotation.
- Rotation of the spindle 14 moves the pistons 15, 16 in opposite directions, as a result of which the width of the water column located in the distributor pipe 7 or 10 between the pistons 15, 16 is changed.
- the bores 13 located in the distributor pipes 7 and 10 can be separated from the water supply one after the other in order to adapt to narrower bands.
- the invention is not restricted to the exemplary embodiment shown.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zum Kühlen von flachem Walzgut,insbesondere Walzband, mittels laminarer Kühlwasserstrahlen, wobei quer über oder unter dem Walzgutdurchlauf Verteilerrohre angeordnet sind, deren Wandungen über die maximale Walzgutbreite mit Bohrungen versehen sind, an die Leitrohre angeschlossen sind.The invention relates to a device for cooling flat rolling stock, in particular rolled strip, by means of laminar cooling water jets, distribution pipes being arranged transversely above or below the rolling stock pass, the walls of which are provided with bores over the maximum rolling stock width and are connected to the guide tubes.
Bei dieser aus der DE-AS 21 01 664 bekannten Kühlvorrichtung sind die Verteilerrohre an einer Stirnseite an eine Wasserzuleitung angeschlossen. Die Austrittsrohre sind in oberen öffnungen der Verteilerrohre eingesetzt und an beiden Seiten in einem Bogen nach unten geführt. Die sich aus Anzahl und Teilung der Leitrohre ergebende Wirkungsbreite wird nach der maximalen Walzgutbreite ausgelegt. Dies hat den Nachteil, daß bei schmalen Walzgutbreiten ein beträchtlicher Teil des Kühlmittels nutzlos auf die frei gebliebenen Seitenabschnitte des Rollgangs fließt.In this cooling device known from DE-AS 21 01 664, the distributor pipes are connected at one end to a water supply line. The outlet pipes are inserted in the upper openings of the distributor pipes and are guided downwards in an arc on both sides. The range of effects resulting from the number and division of the guide tubes becomes designed according to the maximum rolling stock width. This has the disadvantage that with narrow rolling stock widths, a considerable part of the coolant flows uselessly onto the free side sections of the roller table.
Mit der Erfindung soll die Kühlmittelverschwendung bei wechselnden Walzgutbreiten vermieden werden. Aufgabe ist insbesondere die Schaffung einer Kühlvorrichtung deren Wirkungsbreite mit einfachen Mitteln schnell und genau auf alle vorkommenden Walzgutbreiten einstellbar ist.With the invention, the coolant wastage should be avoided with changing rolling stock widths. In particular, the task is to create a cooling device whose range of action can be adjusted quickly and precisely to all rolling stock widths using simple means.
Nach der Erfindung wird dies dadurch erreicht, daß die Verteilerrohre etwa in der Mitte ihres Mantels mit einem Wasseranschluß versehen sind und beidseits innerhalb des Rohrmantels dichtend geführte Kolben gegenläufig verstellbar sind.According to the invention, this is achieved in that the distributor pipes are provided with a water connection approximately in the middle of their jacket and pistons sealingly guided on both sides within the pipe jacket are adjustable in opposite directions.
Durch Verstellung der Kolben wird die Länge der Wassersäule innerhalb der Verteilerrohre bestimmt. Auf diese Weise kann die Wasserbeaufschlagung von Leitrohr zu Leitrohr exakt auf die jeweilige Walzgutbreite eingestellt und der Kühlwasserverbrauch reduziert werden.The length of the water column within the distribution pipes is determined by adjusting the pistons. In this way, the exposure of water from guide tube to guide tube can be set exactly to the respective rolling stock width and the cooling water consumption can be reduced.
Die Kolben können vorteilhaft durch eine in äußeren Röhrdeckeln zentral geführte Spindel mit Rechts- und Lingsgewinde verstellbar sein.The pistons can advantageously be adjustable by means of a spindle with a right-hand and Ling thread that is guided centrally in outer tube covers.
Gemäß einem weiteren Merkmal der Erfindung sind die Kolben mittels Bohrungen auf in den Rohrdeckeln befestigten, parallel zu der Spindel verlaufenden Führungsstangen geführt.According to a further feature of the invention, the pistons are guided by means of bores on guide rods fastened in the tube covers and running parallel to the spindle.
In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt. Es zeigen
- Fig. 1 eine Bandkühlstrecke in Bandlaufrichtung gesehen,
- Fig. 2 eine Seitenansicht zu Fig. 1 und
- Fig. 3 einen vergrößerten Längsschnitt durch ein Verteilerrohr.
- 1 seen a strip cooling section in the strip running direction,
- Fig. 2 is a side view of Fig. 1 and
- Fig. 3 is an enlarged longitudinal section through a manifold.
Gemäß Fig. 1 und 2 werden Warmwalzbänder 1 auf einem Auslaufrollgang 2 gefördert und über einen definierten Bereich an Ober- und Unterseite mit Wasser gekühlt. Die Zuführung des Kühlwassers geschieht durch obere und untere Wasserleitungen 3, 4 die an senkrechten Stützen 5 befestigt sind.1 and 2, hot rolled strips 1 are conveyed on an outfeed roller table 2 and cooled with water over a defined area on the top and bottom. The cooling water is supplied through upper and
Jede obere Wasserleitung 3 ist an ein quer über dem Rollgang 2 angeordneten, seitlich durch Deckel 6 verschlossenes Verteilerrohr 7 in dessen Mitte angeschlossen. Das Verteilerrohr 7 ist an der Oberseite mit mehreren Leitrohren 8 versehen, die in einem Bogen nach unten verlaufen. Das Verteilerrohr 10 ist an seiner Oberseite mit geraden, gegen die Bandunterseite gerichteten Leitrohren 11 versehen.Each
Jede untere Wasserleitung 4 ist an einem unterhalb des Rollgangs 2 angeordneten, seitlich durch Deckel 9 verschlossenes Verteilerrohr 10 in dessen Mitte angeschlossen.Each
Eine erfindungsgemäße Ausbildung der Verteilerrohre 7, 10 wird nun beispielsweise anhand Fig. 3 der Zeichnung erläutert. Das durch einen Stutzen 12 einströmende Kühlwasser füllt das Verteilerrohr 7 bzw. 10, steigt gleichmäßig durch an dessen Oberseite befindliche Bohrungen 13 in die Leitrohre 8 bzw. 11 und fließt auf das Walzband 1.An inventive design of the
Zur Einstellung der Kühlwasserbeaufschlagung auf unterschiedliche Bandbreiten sind je ein in dem Verteilerröhr 7 bzw. 10 dichtend geführter Kolben 15, 16 auf einem Rechts- bzw. Linksgewinde einer in den Deckeln 6 bzw. 9 gelagerten hand-oder motorgetriebenen Spindel 14 geführt. Parallel zur Spindel 14 verläuft eine in den Deckeln 6 bzw. 9 befestigte Stange 17 durch das Verteilerrohr 7 bzw. 10, die die Kolben 15, 16 als Verdrehsicherung durchdringt.In order to adjust the cooling water supply to different bandwidths,
An beiden Enden der Verteilerrohre 7, 10 befinden sich unten öffnungen 18, durch die an der Kolbenaußenseite vorhandenes Leckwasser abfließen kann.At both ends of the
Durch Drehung der Spindel 14 werden die Kolben 15, 16 gegenläufig bewegt, wodurch die Breite der im Verteilerrohr 7 bzw. 10 zwischen den Kolben 15, 16 befindlichen Wassersäule verändert wird. Auf diese Weise können die in den Verteilerrohren 7 bzw. 10 befindlichen Bohrungen 13 zur Anpassung an schmalere Bänder nacheinander von der Wasserzufuhr abgetrennt werden.Rotation of the
Die Erfindung ist nicht auf das dargestellte Ausführungsbeispiel beschränkt.The invention is not restricted to the exemplary embodiment shown.
Claims (3)
dadurch gekennzeichnet,
daß die Verteilerrohre (7, 10) etwa in der Mitte ihres Mantels mit einem Wasseranschluß (3, 4) versehen sind und beidseits innerhalb des Rohrmantels dichtend geführte Kolben (15, 16) gegenläufig verstellbar sind.1. Device for cooling flat rolling stock, in particular rolled strip, by means of laminar cooling water jets, distribution pipes being arranged transversely above or below the rolling stock pass, to which a plurality of guide tubes directed towards the surfaces are connected over the maximum rolling stock width,
characterized,
that the distributor pipes (7, 10) are provided with a water connection (3, 4) approximately in the middle of their jacket and pistons (15, 16) sealingly guided on both sides within the pipe jacket are adjustable in opposite directions.
dadurch gekennzeichnet,
daß die Kolben (15, 16) durch eine in äußeren Verteilerrohrdeckeln (6, 9) zentral geführte Spindel (14) mit Rechts- und Linksgewinde verstellbar sind.2. Device according to claim 1,
characterized,
that the pistons (15, 16) are adjustable by means of a spindle (14) with a right-hand and left-hand thread which is guided centrally in the outer distributor pipe covers (6, 9).
dadurch gekennzeichnet,
daß die Kolben (15, 16) mittels Bohrungen auf in den Verteilerrohrdeckeln (6, 9) befestigten, parallel zu der Spindel (14) verlaufenden Führungsstangen (17) geführt sind.3. Device according to claims 1 and 2,
characterized,
that the pistons (15, 16) are guided by means of bores on guide rods (17) which are fastened in the distributor tube covers (6, 9) and run parallel to the spindle (14).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3146657 | 1981-11-25 | ||
DE19813146657 DE3146657A1 (en) | 1981-11-25 | 1981-11-25 | DEVICE FOR COOLING FLAT ROLLING MATERIAL |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0080086A1 true EP0080086A1 (en) | 1983-06-01 |
Family
ID=6147149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82110137A Withdrawn EP0080086A1 (en) | 1981-11-25 | 1982-11-04 | Device for cooling flat rolled products |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0080086A1 (en) |
DE (1) | DE3146657A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0449003A2 (en) * | 1990-03-28 | 1991-10-02 | Sms Schloemann-Siemag Aktiengesellschaft | Apparatus for cooling rolled strip |
EP1112785A2 (en) * | 1999-12-28 | 2001-07-04 | Firma Wepuko Hydraulik GmbH & Co. Pumpen- und Kompressorenfabrik | Device for hydraulically descaling workpieces |
WO2010105577A1 (en) * | 2009-03-20 | 2010-09-23 | 宝山钢铁股份有限公司 | Plunger type laminar flow cooling device |
WO2010105580A1 (en) * | 2009-03-20 | 2010-09-23 | 宝山钢铁股份有限公司 | Plunger type laminar flow cooling device |
CN102189128A (en) * | 2010-03-19 | 2011-09-21 | 宝山钢铁股份有限公司 | Up-spray laminar flow cooling device |
CN102189131A (en) * | 2010-03-19 | 2011-09-21 | 宝山钢铁股份有限公司 | Lower spraying laminar flow cooling device |
CN102189130A (en) * | 2010-03-19 | 2011-09-21 | 宝山钢铁股份有限公司 | A self-balancing plunger-type upper spraying laminar flow cooling device |
DE102011007803A1 (en) | 2011-03-18 | 2012-09-20 | Sms Siemag Ag | Device used for supplying medium e.g. water on region for cooling rolled stock in rolling mill, has switching unit that is divided into two main portions for switching between fluid disconnection and fluid connection of main portions |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU3488293A (en) * | 1992-02-24 | 1993-09-13 | Alcan International Limited | Process and apparatus for applying and removing liquid coolant to control temperature of continuously moving metal strip |
DE19934557C2 (en) * | 1999-07-22 | 2002-10-24 | Thyssenkrupp Stahl Ag | Device for cooling metal strips or sheets conveyed on a conveyor line |
CN102189133B (en) * | 2010-03-19 | 2013-03-13 | 宝山钢铁股份有限公司 | Lower spraying and cooling device arranged between finishing mill frames |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1397068A (en) * | 1963-06-04 | 1965-04-23 | United Eng Foundry Co | Method and apparatus for cooling a web |
FR2379779A1 (en) * | 1977-02-07 | 1978-09-01 | Davy Loewy Ltd | COOLANT TRANSMITTER |
JPS5619923A (en) * | 1979-07-27 | 1981-02-25 | Sumitomo Metal Ind Ltd | Cleaning apparatus for cold rolled steel sheet |
-
1981
- 1981-11-25 DE DE19813146657 patent/DE3146657A1/en not_active Withdrawn
-
1982
- 1982-11-04 EP EP82110137A patent/EP0080086A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1397068A (en) * | 1963-06-04 | 1965-04-23 | United Eng Foundry Co | Method and apparatus for cooling a web |
FR2379779A1 (en) * | 1977-02-07 | 1978-09-01 | Davy Loewy Ltd | COOLANT TRANSMITTER |
JPS5619923A (en) * | 1979-07-27 | 1981-02-25 | Sumitomo Metal Ind Ltd | Cleaning apparatus for cold rolled steel sheet |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0449003A2 (en) * | 1990-03-28 | 1991-10-02 | Sms Schloemann-Siemag Aktiengesellschaft | Apparatus for cooling rolled strip |
EP0449003A3 (en) * | 1990-03-28 | 1992-03-18 | Sms Schloemann-Siemag Aktiengesellschaft | Apparatus for cooling rolled strip |
EP1112785A2 (en) * | 1999-12-28 | 2001-07-04 | Firma Wepuko Hydraulik GmbH & Co. Pumpen- und Kompressorenfabrik | Device for hydraulically descaling workpieces |
EP1112785A3 (en) * | 1999-12-28 | 2002-01-30 | Firma Wepuko Hydraulik GmbH & Co. Pumpen- und Kompressorenfabrik | Device for hydraulically descaling workpieces |
CN101837376B (en) * | 2009-03-20 | 2011-09-21 | 宝山钢铁股份有限公司 | Plunger-type upper spraying laminar flow cooling device |
CN101837379B (en) * | 2009-03-20 | 2013-04-24 | 宝山钢铁股份有限公司 | Laminar flow width-offset-adjusting cooling device and control method thereof |
KR101327766B1 (en) * | 2009-03-20 | 2013-11-20 | 바오샨 아이론 앤 스틸 유한공사 | Plunger type laminar flow cooling device |
KR101319389B1 (en) * | 2009-03-20 | 2013-10-17 | 바오샨 아이론 앤 스틸 유한공사 | Plunger type laminar flow cooling device |
WO2010105577A1 (en) * | 2009-03-20 | 2010-09-23 | 宝山钢铁股份有限公司 | Plunger type laminar flow cooling device |
RU2491142C2 (en) * | 2009-03-20 | 2013-08-27 | Баошан Айрон Энд Стил Ко., Лтд. | Piston-type device for laminar cooling |
RU2491143C2 (en) * | 2009-03-20 | 2013-08-27 | Баошан Айрон Энд Стил Ко., Лтд. | Plunger-type device for laminar cooling |
WO2010105580A1 (en) * | 2009-03-20 | 2010-09-23 | 宝山钢铁股份有限公司 | Plunger type laminar flow cooling device |
CN102189130B (en) * | 2010-03-19 | 2013-04-24 | 宝山钢铁股份有限公司 | A self-balancing plunger-type upper spraying laminar flow cooling device |
CN102189128B (en) * | 2010-03-19 | 2013-04-24 | 宝山钢铁股份有限公司 | Up-spray laminar flow cooling device |
CN102189131B (en) * | 2010-03-19 | 2013-07-17 | 宝山钢铁股份有限公司 | Lower spraying laminar flow cooling device |
CN102189130A (en) * | 2010-03-19 | 2011-09-21 | 宝山钢铁股份有限公司 | A self-balancing plunger-type upper spraying laminar flow cooling device |
CN102189131A (en) * | 2010-03-19 | 2011-09-21 | 宝山钢铁股份有限公司 | Lower spraying laminar flow cooling device |
CN102189128A (en) * | 2010-03-19 | 2011-09-21 | 宝山钢铁股份有限公司 | Up-spray laminar flow cooling device |
DE102011007803A1 (en) | 2011-03-18 | 2012-09-20 | Sms Siemag Ag | Device used for supplying medium e.g. water on region for cooling rolled stock in rolling mill, has switching unit that is divided into two main portions for switching between fluid disconnection and fluid connection of main portions |
Also Published As
Publication number | Publication date |
---|---|
DE3146657A1 (en) | 1983-06-01 |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
Effective date: 19821104 |
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AK | Designated contracting states |
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Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
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18W | Application withdrawn |
Withdrawal date: 19830923 |
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RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: ECKELSBACH, KURT Inventor name: FINKEN, AUGUST |