EP1420912B1 - Device for cooling material by creating a fan jet - Google Patents
Device for cooling material by creating a fan jet Download PDFInfo
- 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
Links
- 239000000463 material Substances 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 title claims abstract description 9
- 239000002826 coolant Substances 0.000 claims abstract description 16
- 229910001208 Crucible steel Inorganic materials 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004013 groin Anatomy 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000003313 weakening effect 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
- 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)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zum Kühlen von platten- oder bahnförmigem Material durch Erzeugen eines Flachstrahls, der auf das zu kühlende Material gerichtet ist, mit einem Gehäuse, das mit mindestens einem Anschluss zum Einleiten eines Kühlmediums versehen ist und das eine Flachstrahl-Düse bildet; mit einer Verteilerplatte, die mit einer Durchtrittsöffnung versehen ist, über die die Flachstrahl-Düse mit dem Kühlmedium beaufschlagt wird.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.
Derartige Vorrichtungen dienen vor allem zum gesteuerten Kühlen von Blechen und Bändern in der stahlverarbeitenden Industrie. Ein weiteres Anwendungsgebiet ist die Kunststoffverarbeitung.Such devices are used primarily for the controlled cooling of sheets and Tapes in the steel processing industry. Another application is the Plastics processing.
Eine Vorrichtung der eingangs genannten Art ist aus der FR-A1 151 450 bekannt. Zwei Wände eines Gehäuses bilden eine Flachstrahl-Düse. Im Gehäuse sind hintereinander zwei Verteilerplatten mit Durchtrittsöffnungen angeordnet, um den Austritt der Kühlflüssigkeit zu vergleichmäßigen.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.
Der Erfindung liegt das Problem zugrunde, dass geschweißte Konstruktionen zumindest dann nicht mehr in der Lage sind, eine sehr gleichmäßige Abkühlung zu erzielen, wenn mit extrem breiten Flachstrahlen in der Größenordnung von fünf Metern gearbeitet wird. Selbst nach sorgfältigem Spannungsfreiglühen führen die thermischen Belastungen zu einem Verziehen der Schweißkonstruktion. Immerhin befindet sich die Düse in geringem Abstand oberhalb oder unterhalb des zu kühlenden Materials und ist dementsprechend einer erheblichen Wärmestrahlung ausgesetzt. Ein Verziehen der Schweißkonstruktion wirkt sich insbesondere auf die Konfiguration der Düse nachteilig aus. Die Düse kann sich bogenförmig verformen, und zwar sowohl in Transportrichtung als auch senkrecht hierzu. Auch kann sie sich verwinden. Ferner kann die Verformung dazu führen, dass die Dicke des Flachstrahts über der Flachstrahlbreite variiert. Sämtliche dieser Verformungen bringen den Nachteil mit sich, dass das Material über seine Breite ungleichmäßig gekühlt wird. Entsprechende Qualitätseinbußen sind die Folge.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. Even after careful stress relief annealing, the thermal stresses increase a warping of the welded construction. After all, 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. Furthermore, 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.
Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung dieser Art zu schaffen, die Ober eine große Bearbeitungsbreite verfügt und dennoch in der Lage ist, den Kühlprozess sehr gleichmäßig durchzuführen und auf diese Weise eine hohe Bearbeitungsqualität zu gewährleisten. Zur Lösung dieser Aufgabe ist die Vorrichtung nach der Erfindung dadurch gekennzeichnet, dass das Gehäuse aus einem ersten Gehäuse und einem zweiten Gehäuse gebildet wird, die aus Gussstahl bestehen, miteinander verbunden sind und zwischen sich die Verteilerplatte einspannen,wobei sich das erste Gehäuse über die Breite der Flachstrahl-Düse erstreckt und dass eine Leiste mit der erste Wand des ersten Gehäuses verbunden ist und gemeinsam mit der zweiten Wand des ersten Gehäuses die Flachstrahl-Düse bildet.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. To solve this problem, 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.
Die Erfindung arbeitet mit den beiden miteinander verbundenen Gehäusen, die aus Gussstahl bestehen und zwischen sich die Verteilerplatte einspannen. Auf diese Weise entsteht eine starre, verwindungsfreie Konstruktion, die selbst bei extremer Flachstrahlbreite hohen thermischen Belastungen standhält, ohne dass es zu einer Verformung der Düse kommt. Der Kühlprozess läuft also sehr gleichmäßig ab, so dass Bleche hoher Qualität erzeugt werden können.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.
Das zweite Gehäuse, das sich vorzugsweise ebenfalls über die Breite des Flachstrahls erstreckt, nimmt das Kühlmedium auf und gibt es über die Verteilerplatte gleichmäßig an den Innenraum des ersten Gehäuses ab. Entsprechend gleichmäßig ist die Beaufschlagung der Düse über der Breite des Flachstrahls.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.
Dieser Effekt lässt sich noch dadurch verbessern, dass das zweite Gehäuse eine Mehrzahl von Anschlüssen zum Einleiten des Kühlmediums aufweist und dass deren Fläche mindestens der Fläche der Durchtrittsöffnungen der Verteilerplatte entspricht.This effect can be further improved by the fact that 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.
Ferner lässt sich die Stabilität der Konstruktion noch dadurch erhöhen, dass der Innenraum des ersten und/oder des zweiten Gehäuses mit in Strömungsrichtung verlaufenden Gussstegen versehen ist. Insgesamt ergibt sich eine relativ flache, aufrechte Baugruppe, die aufgrund der Gusskonstruktion der beiden Gehäuse und der Einspannung der Verteilerplatte auch bei extremer Länge verwindungssteif und thermisch hochbelastbar ist.Furthermore, 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.
Die Gussstege des ersten Gehäuses enden in einem Abstand vor der Düse, der vorzugsweise mindestens dem eineinhalbfachen der Düsenlänge entspricht. Auf diese Weise wird sichergestellt, dass die durch die Gussstege verursachten Störungen der Strömung abgeklungen sind, bevor das Kühlmedium in die Düse eintritt.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.
Die Länge der Düse beträgt vorzugsweise 10 mm bis 40 mm, um einer Strahlaufweitung nach dem Austritt aus der Düse zu begegnen. The length of the nozzle is preferably 10 mm to 40 mm, to a beam expansion to meet after exiting the nozzle.
In Weiterbildung der Erfindung wird vorgeschlagen, dass die Leiste auf der Außenfläche der ersten Wand des ersten Gehäuses angeordnet ist. Die Leiste kann also nicht zu einer Schwächung der Gehäusekonstruktion führen. Außerdem treten keine Abdichtungsprobleme auf. Undichtigkeiten würden die Gleichmäßigkeit des Flachstrahls beeinträchtigen und eine entsprechende Qualitätsminderung des Arbeitsergebnisses bewirken.In a further development of the invention it is proposed that 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.
Unter diesem Gesichtspunkt ist es besonders vorteilhaft, dass die Leiste metallisch abdichtend an der Außenfläche der ersten Wand des ersten Gehäuses anliegt.From this point of view, it is particularly advantageous that the strip sealing metallic abuts the outer surface of the first wall of the first housing.
Vorzugsweise stützt sich die Leiste an einer aus der ersten Wand des ersten Gehäuses vorstehenden Schulter ab. Hierdurch wird ebenfalls die Steifigkeit der gesamten Konstruktion gesteigert.Preferably, 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.
In Weiterbildung der Erfindung wird vorgeschlagen, dass die Dicke des Flachstrahls, die vorzugsweise 1 mm bis 4 mm beträgt, über eine zwischen der Leiste und der Schulter angeordnete Unterlegleiste einstellbar ist. Es hat sich gezeigt, dass Unteriegleisten am besten geeignet sind, eine exakte Düseneinstellung auch bei großer Dusenerstreckung zuverlässig zu ermöglichen.In a further development of the invention, it is proposed that the thickness of the flat jet, the preferably 1 mm to 4 mm, over one between the groin and the shoulder arranged washer is adjustable. It has been shown that Unteriegleisten the are most suitable, an exact nozzle adjustment even with large Dusenerstreckung to enable reliable.
Vorzugsweise ist die erste Wand des ersten Gehäuses abgewinkelt und so ausgeführt, dass sie im Düsenbereich senkrecht zur zweiten Wand ausgerichtet ist. Preferably, 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.
Die Düse wird zwischen planparallen Flächen gebildet, von denen die eine an der Leiste und die andere ah der zweiten Wand des ersten Gehäuses angeordnet ist. Dabei kann die Anordnung so getroffen werden, daß die beiden Gehäuse eine aufrechte, lotrecht zu dem zu kühlenden Material angeordnete Baugruppe bilden, wobei die erste Wand des ersten Gehäuses um 40° bis 50° abgewinkelt ist, so daß also der Flachstrahl ebenfalls unter einem Winkel von 90° bis 50° auf das zu kühlende Material auftrifft.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.
Die Erfindung wird im folgenden anhand eines bevorzugten
Ausführungsbeispiels im Zusammenhang mit der beiliegenden
Zeichnung näher erläutert. Die Zeichnung zeigt in:
Die Vorrichtung dient zum Erzeugen eines Flachstrahls, der gegen ein Stahlblech 1 gerichtet ist. Das Stahlblech 1 wird von links nach rechts in Figur 1 transportiert. Die Breite des Flachstrahls, gemessen senkrecht zur Zeichenebene von Figur 1, beträgt fünf Meter.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.
Die Vorrichtung weist ein erstes Gehäuse 2 aus Gußstahl
auf, das sich über die gesamte Breite des Flachstrahls
erstreckt. Es besteht im wesentlichen aus einer ersten Wand
3 und einer zweiten Wand 4, die über Gußstege 5 sowie nicht
dargestellte Stirnwände miteinander verbunden sind.The device has a
Auf der Außenfläche der ersten Wand 3 ist eine Leiste 6
angeordnet, die mit der zweiten Wand 4 eine Flachstrahl-Düse
bildet. Die erste Wand 3 ist abgewinkelt, und die zweite
Wand 4 ist so geführt, daß sie im Düsenbereich mit der
ersten Wand 3 einen rechten Winkel bildet. Aus dieser Konfiguration
resultiert derjenige Winkel, unter dem der Flachstrahl
auf das Stahlblech 1 auftrifft.On the outer surface of the
Die Länge der Düse beträgt im vorliegenden Falle 20 mm. Damit ist gewährleistet, daß sich die Dicke des Flachstrahls nach dem Austritt aus der Düse nur unwesentlich aufweitet. 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.
Die Gußstege 5 enden in einem Abstand vor der Düse, der dem Mehrfachen der Düsenlänge entspricht. Die durch die Gußstege 5 hervorgerufenen Störungen in der Strömung des Kühlmediums sind also bereits abgeklungen, wenn das Kühlmedium in die Düse eintritt. Eine sehr gleichmäßige Ausbildung des Flachstrahls ist die Folge.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.
Die Anordnung der Leiste 6 auf der Außenfläche der
ersten Wand 3 des ersten Gehäuses 2 trägt zur Erhöhung der
Stabilität des ersten Gehäuses 2 bei. Dabei ist die Anordnung
so getroffen, daß die Leiste 6 metallisch abdichtend an
der Außenfläche der ersten Wand 3 anliegt. Undichtigkeiten,
die zur Störung des Flachstrahls führen könnten, werden also
vermieden.The arrangement of the bar 6 on the outer surface of the
Die Leiste 6 ist mittels einer Schraube 7 gegen die
Außenfläche der ersten Wand 3 verspannt. Außerdem stützt
sich die Leiste 6 an einer aus der ersten Wand 3 des ersten
Gehäuses 2 vorstehenden Schulter 8 ab. Die Höhe des Düsenspaltes,
also die Dicke des Flachstrahls, wird von einer
Unterlegleiste 9 bestimmt, die zwischen der Leiste 6 und der
Schulter 8 angeordnet ist und von einer zusätzlichen Schraube
10 fixiert wird. Bei einer Änderung der Düse wird die
Unterlegleiste 9 ausgetauscht.The bar 6 is by means of a
Im Abstand zur Leiste 6 ist das erste Gehäuse 2 mit
einem zweiten Gehäuse 11 verschraubt. Letzteres besteht
ebenfalls aus Gußstahl und erstreckt sich einteilig, wie
auch das erste Gehäuse 2, über die gesamte Breite des Flachstrahls.
In seinem Inneren ist auch das zweite Gehäuse 11
mit Gußstegen 12 versehen.At a distance from the bar 6, the
Zwischen den beiden Gehäusen 2 und 11 ist eine Verteilerplatte
13 eingespannt. Sie weist Durchtrittsöffnungen 14
für das Kühlmedium auf. Die beiden aus Stahl bestehenden
Gehäuse 2 und 11 bilden unter Zwischenschaltung der Verteilerplatte
13 einen starren Verbund, der auch unter den herrschenden
thermischen Belastungen formstabil bleibt. Der
Flachstrahl kann also ungestört und in definierter Formation
auf das Stahlblech 1 auftreffen. Dadurch läßt sich ein optimales
Kühlergebnis erzielen, woraus eine hohe Werkstoffqualität
resultiert.Between the two
Das zweite Gehäuse 11 ist mit einer Mehrzahl von Anschlüssen
15 zum Einleiten des Kühlmittels versehen. Das
Kühlmittel tritt in den Innenraum des zweiten Gehäuses 11
ein und wird von der Verteilerplatte 13 gleichmäßig über die
Breite des Strahls verteilt. Durch die Durchtrittsöffnungen
14 gelangt es sodann in den Innenraum des ersten Gehäuses 2
und an dessen Austrittsende in die Flachstrahl-Düse. Die
Anordnung ist so getroffen, daß die Anschlüsse 15 insgesamt
eine Durchtrittsfläche definieren, die mindestens der Summe
der Durchtrittsflächen der Durchtrittsöffnungen 14 entspricht,
wobei sich mit zunehmendem Verhältnis die
Verteilung des Kühlmediums verbessert.The
Im Rahmen der Erfindung sind durchaus Abwandlungsmöglichkeiten gegeben. Dies gilt beispielsweise für den Winkel, unter dem der Flachstrahl auf das Werkstück auftrifft. Auch muß die Erstreckung des zweiten Gehäuses in Flachstrahl-Breitenrichtung nicht unbedingt der des ersten Gehäuses entsprechen, obwohl gleiche Abmaße im Hinblick auf die Stabilität der Gesamtanordnung vorzuziehen sind. Auf die Gußstege des ersten und/oder des zweiten Gehäuses kann ggf. verzichtet werden. Auch hier allerdings gilt, daß die Stabilität der Anordnung insbesondere bei breiten Flachstrahlen durch die Gußstege gefördert wird. Im übrigen erfüllen die Gußstege neben ihrer Festigkeitsfunktion auch eine Funktion als Strömungsleiteinrichtungen. Letzteres gilt auch für die Verteilerplatte. Die metallische Abdichtung zwischen der Leiste und dem ersten Gehäuse kann durch ein eingelegtes Dichtelement ersetzt oder ergänzt werden.Within the scope of the invention are quite modification possibilities given. This applies, for example, to the angle, below which the flat jet impinges on the workpiece. Also must the extension of the second housing in flat-beam width direction not necessarily the first case although same dimensions in terms of stability the overall arrangement are preferable. On the Gußstege of the first and / or the second housing may possibly be waived. Again, however, that stability the arrangement especially with wide flat jets is promoted by the Gußstege. For the rest meet the Gußstege next to their strength function and a function as Strömungsleiteinrichtungen. The latter also applies to the Distributor plate. The metallic seal between the Strip and the first housing can be inserted through a Sealing element to be replaced or supplemented.
Claims (10)
- Device for cooling slab or sheet material by creating a fan jet which is directed at the material to be cooled, comprising a housing which is provided with at least one connection for introducing a cooling medium and which forms a fan jet nozzle, a distributor plate which is provided with an orifice (14) through which the fan jet nozzle is supplied with cooling medium,
characterised in that,
the housing consists of a first housing (2) and a second housing (11) which are made of cast steel, connected to each other and between which the distributor plate (13) is clamped, the first housing (2) stretches over the width of the fan jet nozzle, and further characterised in that a bar (6) is connected to the first wall (3) of the first housing (2) and forms together with the second wall (4) of the first housing (2) the fan jet nozzle. - Device according to claim 1,
characterised in that
the second housing (11) exhibits a plurality of connections (15) for introducing the cooling medium and that their surface area corresponds at least to the surface area of the orifices (14) of the distributor plate (13). - Device according to claim 1 or 2,
characterised in that
the interior of the first and/or the second housing (2, 11) is provided with cast bridges (5, 12) running in the direction of flow. - Device according to claim 3,
characterised in that
the cast bridges (5) of the first housing (2) end at a distance from the nozzle which corresponds at least to one and a half times the nozzle length. - Device according to any one of claims.1 through 4,
characterised in that
the length of the nozzle is 10 mm to 40 mm. - Device according to any one of claims 1 through 5,
characterised in that
the bar (6) is arranged on the outer surface of the first wall (3) of the first housing (2). - Device according to claim 6,
characterised in that
the bar (6) rests on the outer surface of the first wall (3) of the first housing (2) to form a metallic seal. - Device according to any one of claims 1 through 7,
characterised in that
the bar (6) rests on a shoulder (8) protruding from the first wall (3) of the first housing (2). - Device according to claim 8,
characterised in that
the thickness of the fan jet can be set using a shim plate (9) arranged between the bar (6) and the shoulder (8). - Device according to any one of claims 1 through 9,
characterised in that
the first wall (3) of the first housing (2) is bent and designed such that it is directed vertical to the second wall (4) in the nozzle zone.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE20114136U | 2001-08-27 | ||
| DE20114136U DE20114136U1 (en) | 2001-08-27 | 2001-08-27 | Device for cooling material by generating a flat jet |
| PCT/EP2002/009039 WO2003018232A1 (en) | 2001-08-27 | 2002-08-13 | Device for cooling material by creating a fan jet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1420912A1 EP1420912A1 (en) | 2004-05-26 |
| EP1420912B1 true EP1420912B1 (en) | 2005-07-20 |
Family
ID=7960986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02796224A Expired - Lifetime EP1420912B1 (en) | 2001-08-27 | 2002-08-13 | Device for cooling material by creating a fan jet |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1420912B1 (en) |
| JP (1) | JP2005500169A (en) |
| KR (1) | KR20040035744A (en) |
| CN (1) | CN1263550C (en) |
| AT (1) | ATE299765T1 (en) |
| DE (2) | DE20114136U1 (en) |
| RU (1) | RU2294813C2 (en) |
| WO (1) | WO2003018232A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319748A (en) * | 2011-07-08 | 2012-01-18 | 东北大学 | Cooling device generating flat jet and manufacturing method thereof |
| WO2015075041A1 (en) | 2013-11-25 | 2015-05-28 | Loi Thermprocess Gmbh | Method for heat-treating, and quenching device for cooling plate- or web-like sheet metal |
| DE102017104550A1 (en) | 2017-03-04 | 2018-09-06 | Loi Thermprocess Gmbh | Apparatus and method for cooling a flat product |
| WO2019101610A1 (en) | 2017-11-22 | 2019-05-31 | Sms Group Gmbh | Method for cooling a metallic item and cooling bar |
| DE102018220319A1 (en) | 2018-11-27 | 2020-05-28 | Sms Group Gmbh | Cooling device and cooling system for cooling a refrigerated good |
| DE102019101948A1 (en) * | 2019-01-25 | 2020-07-30 | Loi Thermprocess Gmbh | Device and method for cooling metallic sheet |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20114136U1 (en) * | 2001-08-27 | 2001-11-29 | LOI Thermprocess GmbH, 45138 Essen | Device for cooling material by generating a flat jet |
| KR100500756B1 (en) * | 2003-06-27 | 2005-07-11 | 주식회사 디엠에스 | Injector for a glass substrate processing of plat display panel |
| DE102004051047A1 (en) * | 2004-10-19 | 2006-04-27 | Loi Thermprocess Gmbh | Method and device for quenching steel flat products |
| CN100443207C (en) * | 2007-03-28 | 2008-12-17 | 辽宁省轧制工程技术中心 | Cooler capable of forming flat jet |
| DE102007024245B3 (en) * | 2007-05-15 | 2008-08-28 | Lechler Gmbh | Spray nozzle i.e. high pressure nozzle for descaling steel products, has outlet clamping curved surface, and another surface abutting against boundary of outlet in radial direction at specific angle to central longitudinal axis |
| KR100849260B1 (en) * | 2008-01-03 | 2008-07-29 | 김호천 | Quenching Injector |
| 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 |
| CN102049357B (en) * | 2010-12-23 | 2012-07-25 | 中冶京诚工程技术有限公司 | Slit type nozzle cooling device |
| KR101218708B1 (en) * | 2010-12-28 | 2013-01-07 | 재단법인 포항산업과학연구원 | Nozzle for planar flow casting process |
| CN102266831B (en) * | 2011-07-08 | 2012-11-07 | 东北大学 | Cooling device capable of forming high-density jet stream and producing method thereof |
| CN102274808A (en) * | 2011-07-08 | 2011-12-14 | 东北大学 | Cooling device capable of forming high-density jet flow |
| CN103060536A (en) * | 2013-01-29 | 2013-04-24 | 中冶赛迪工程技术股份有限公司 | Roasting-preventing gap nozzle with adjustable flow in width direction |
| CN104043548B (en) * | 2014-06-06 | 2017-01-11 | 宁波中令清洁技术有限公司 | Air injection cleaning device used for dust and water removal |
| CN105344502A (en) * | 2014-08-20 | 2016-02-24 | 宝山钢铁股份有限公司 | High-pressure sliding-block-type narrow slit injection device and clearance adjustment method thereof |
| CN105435978B (en) * | 2016-01-20 | 2018-03-23 | 中国工程物理研究院化工材料研究所 | Shower nozzle for mixing plant |
| CN106424171B (en) * | 2016-09-18 | 2018-03-27 | 太原科技大学 | One kind is used for hot-rolled sheet strip steel high pressure water descaling device |
| CN108746221A (en) * | 2018-05-22 | 2018-11-06 | 上海宝钢工业技术服务有限公司 | High pressure narrow slit type nozzle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB606036A (en) * | 1945-01-01 | 1948-08-05 | Alick Clarkson | Venturi cleaning nozzle |
| FR1151450A (en) * | 1955-06-25 | 1958-01-30 | Deutsche Edelstahlwerke Ag | Abrupt quenching or cooling device |
| 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 (en) * | 2001-08-27 | 2001-11-29 | LOI Thermprocess GmbH, 45138 Essen | Device for cooling material by generating a flat jet |
-
2001
- 2001-08-27 DE DE20114136U patent/DE20114136U1/en not_active Expired - Lifetime
-
2002
- 2002-08-13 DE DE50203689T patent/DE50203689D1/en not_active Expired - Lifetime
- 2002-08-13 KR KR10-2004-7003042A patent/KR20040035744A/en active IP Right Grant
- 2002-08-13 JP JP2003522733A patent/JP2005500169A/en active Pending
- 2002-08-13 RU RU2004109151/02A patent/RU2294813C2/en not_active IP Right Cessation
- 2002-08-13 AT AT02796224T patent/ATE299765T1/en active
- 2002-08-13 CN CNB028167406A patent/CN1263550C/en not_active Expired - Fee Related
- 2002-08-13 WO PCT/EP2002/009039 patent/WO2003018232A1/en active IP Right Grant
- 2002-08-13 EP EP02796224A patent/EP1420912B1/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319748A (en) * | 2011-07-08 | 2012-01-18 | 东北大学 | Cooling device generating flat jet and manufacturing method thereof |
| CN102319748B (en) * | 2011-07-08 | 2013-09-25 | 东北大学 | Cooling device generating flat jet and manufacturing method thereof |
| WO2015075041A1 (en) | 2013-11-25 | 2015-05-28 | Loi Thermprocess Gmbh | Method for heat-treating, and quenching device for cooling plate- or web-like sheet metal |
| DE102017104550A1 (en) | 2017-03-04 | 2018-09-06 | Loi Thermprocess Gmbh | Apparatus and method for cooling a flat product |
| WO2019101610A1 (en) | 2017-11-22 | 2019-05-31 | Sms Group Gmbh | Method for cooling a metallic item and cooling bar |
| DE102018220319A1 (en) | 2018-11-27 | 2020-05-28 | Sms Group Gmbh | Cooling device and cooling system for cooling a refrigerated good |
| WO2020109073A1 (en) | 2018-11-27 | 2020-06-04 | Sms Group Gmbh | Cooling device and cooling system for cooling a refrigerated product |
| DE102019101948A1 (en) * | 2019-01-25 | 2020-07-30 | Loi Thermprocess Gmbh | Device and method for cooling metallic sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003018232A1 (en) | 2003-03-06 |
| JP2005500169A (en) | 2005-01-06 |
| EP1420912A1 (en) | 2004-05-26 |
| CN1547517A (en) | 2004-11-17 |
| RU2004109151A (en) | 2005-05-20 |
| KR20040035744A (en) | 2004-04-29 |
| ATE299765T1 (en) | 2005-08-15 |
| DE20114136U1 (en) | 2001-11-29 |
| DE50203689D1 (en) | 2005-08-25 |
| RU2294813C2 (en) | 2007-03-10 |
| CN1263550C (en) | 2006-07-12 |
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