EP2598270A2 - Injection nozzle adjustment device - Google Patents
Injection nozzle adjustment deviceInfo
- Publication number
- EP2598270A2 EP2598270A2 EP11732425.1A EP11732425A EP2598270A2 EP 2598270 A2 EP2598270 A2 EP 2598270A2 EP 11732425 A EP11732425 A EP 11732425A EP 2598270 A2 EP2598270 A2 EP 2598270A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- spray nozzle
- strand
- drive body
- tube
- injection nozzle
- 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
Classifications
-
- 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
- B22D11/1246—Nozzles; Spray heads
-
- 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
- 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/064—Accessories therefor for supplying molten metal
- B22D11/0642—Nozzles
-
- 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
- B22D11/16—Controlling or regulating processes or operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D46/00—Controlling, supervising, not restricted to casting covered by a single main group, e.g. for safety reasons
Definitions
- Spray nozzle adjusting device The present invention relates to a spray nozzle adjusting device for positioning at least one
- Spray nozzle and a strand guide segment for guiding, supporting and cooling a strand in a strand guide a
- the invention relates to a spray nozzle adjustment device for positioning at least one
- Spray nozzle with respect to a strand in a strand guide of a slab continuous casting machine comprising
- a displacement device comprising a drive body and an actuating piston, for displacing the actuating piston relative to the fixed drive body;
- a spray nozzle holder for holding at least one spray nozzle, the spray nozzle for spraying
- Spray nozzle holder is connected to the actuating piston.
- Such a device is known, for example, from EP 2 010 347 B1.
- the position of one or more spray nozzles of a strand guide segment relative to the strand can be adjusted, wherein the spray nozzles are connected via a spray nozzle holder with a displaceable actuating piston.
- Hose line must be performed and on the other hand, due to the fact that the actuator piston and thus the spray nozzle against the sliding device rotatable are formed, that the spray nozzle holder must be performed separately.
- Guiding the spray nozzle holder also increases the footprint of the spray nozzle adjusting device, so that installation in existing strand guide segments is difficult and costly.
- the displacement device can be passed to the spray nozzle;
- existing strand guide segments should also be retrofitted with the spray nozzle adjustment device.
- At least one telescopic telescopic tube comprising a feststehdendes and at least one displaceable tube, wherein the fixed tube with the drive body
- Spray nozzle holder is provided so that the spray nozzle is torsionally rigidly connected to the drive body;
- the coolant by means of a telescopic tube very reliable and above all without maintenance-intensive hose lines from a stationary part of the strand guide, for example, the drive body of the displacement device to the spray nozzle
- the telescopic tube can basically be designed in one or more stages.
- a single-stage design is a telescopic tube
- both tubes being coaxially aligned and the displaceable tube having a smaller diameter than the fixed tube
- a multi-stage telescopic tube at least two tubes are slidably formed, so that an even more compact
- Telescopic tubes do not necessarily have to lie in one plane, to guide to the spray nozzle holder. Due to the compact construction of the device according to the invention, existing strand guide segments can also be provided with a spray nozzle adjustment device (for example on the inner arc).
- Telescopic tube provided for conducting air, wherein the Longitudinal axes of the actuating piston, the first telescopic tube and the second telescopic tube are aligned parallel.
- Displacement device directed to the spray nozzle holder.
- a bellows is connected to the drive body and the spray nozzle holder, whereby the ingress of dirt can be prevented.
- the bellows prevent the ingress of dirt, e.g. Scale, below the bellows (e.g.
- the bellows is an air supply, preferably the second
- Telescope tube assigned, whereby the bellows can be kept under a relation to the atmosphere increased pressure.
- the increased pressure effectively prevents the penetration of dusty dirt particles.
- Displacement device a hydraulic, pneumatic or electric linear drive.
- the hydraulic or pneumatic linear drive is designed as a pressure medium cylinder.
- the use of pressure cylinders is due to the high operating temperatures in the vicinity of
- the drive body and a fixed tube of at least one telescopic tube have a common housing. But it is also possible that the
- a plurality of pressure medium cylinders is a hydraulic or
- At least one, preferably each, spray nozzle is exactly one spray nozzle holder and the
- Spray nozzle holder exactly one displacement device
- At least one spray nozzle is associated with a displacement measuring device and a control device, whereby the spray nozzle can be positioned in a regulated manner.
- the spray nozzle can be positioned with high precision.
- Speed sensor associated with a gear motor, and associated with a control or a regulating device, so that the position of a plurality of spray nozzles, the
- Pressure medium cylinders are assigned synchronously can be adjusted.
- Speed sensor detected and regulated by means of the control device. Although the position of the spray nozzles is not
- a strand guide segment for guiding, supporting and cooling a strand in a strand guide of a continuous casting machine preferably a slab continuous casting machine for producing steel slabs of different
- Strand width, at least one spray nozzle adjusting device according to one of claims 1 to 10 comprises.
- Device according to the invention is not limited to slab continuous casting machines nor to a strand guide in the form of a strand guide segment; It is also conceivable, for example, for use in large format bloom formats.
- Figure 1 is a perspective, partially cut
- Figures 2 and 3 a front view and a sectioned
- Spray nozzle adjusting devices 5a and 5b show a partially sectioned view and an uncut view of the spray nozzle adjusting device according to FIG. 4 in a perspective view, FIGS. 6a and 6b, two hydraulic diagrams for synchronous movement
- FIG. 8 shows a variant of FIG. 4.
- FIGS. 1 to 3 show a strand guide segment 15 of a strand guide of a continuous casting machine for producing steel slabs in several views.
- Strand guide rollers 16a, 16b each one
- Form strand guide segment 15 is
- Strand guide rollers 16a wherein the strand guide rollers 16a of the upper frame 19 are adjustable by means of the Anstellzylinders 18 to the strand 3; the upper frame 19 and the
- Subframes 20 are connected by means of four uprights 17. Too much cooling (a so-called subcooling)
- a plurality of spray nozzles 2, each with associated spray nozzle adjustment devices 1 are arranged both on the top and on the underside of the strand. Everybody is here
- Spray nozzle 2 assigned exactly one spray nozzle adjustment devices 1, so that the position of the spray nozzle is individually adjustable to the strand width. 1 and 2, two positions of the spray nozzle 2 are shown at several spray nozzle adjustment devices 1, wherein the
- dashed representation of the position of the spray nozzle 2 at a maximum width of the strand 3 corresponds.
- FIG. 4 shows in detail a spray nozzle adjusting device 1 according to the invention for positioning a spray nozzle 2.
- the spray nozzle adjusting device 1 comprises a displacement device 6, a spray nozzle holder 4 and a spray nozzle 2, wherein the displacement device 6 as a hydraulic linear drive, concretely as a
- the spray nozzle 2 is designed as a two-fluid nozzle, so that a water-air mixture can be sprayed onto a strand, not shown.
- Spray nozzle holder 4 is supplied by means of two telescopic, single-stage telescopic tubes 7a, 7b with the coolant water and air, wherein the telescopic tubes 7a, 7b also an anti-rotation of the spray nozzle holder 4 and
- Telescope tube 7a, 7b led to the spray nozzle holder 4, wherein the air is mixed with the water in the spray nozzle holder 4 and further to the spray nozzle 2.
- the telescopic tubes 7a, 7b simple, are the
- Displacement device 6 or the telescopic tubes and in particular to avoid its seals, is between the drive body 21 and the spray nozzle holder 4 a
- the bellows 9 is associated with an air supply 10, which as a nozzle 23 with low
- Opening cross section is formed in the telescopic tube 7b.
- air from the telescopic tube 7b flows into a space bounded by the bellows 9, so that this space is kept under a slight overpressure from the environment, thereby preventing the ingress of dust under the bellows.
- the displacement device 6 is shown in FIG 4 as a double-acting hydraulic cylinder
- Displacement device 6 with a plunger cylinder i.e., as a single-acting hydraulic cylinder, for example
- Drive body 21 three chambers, wherein the first, centrally arranged, chamber serves as a cavity for the pressure cylinder 11, and each one outer chamber is used as a retreat for the displaceable tube 30 of a telescopic tube 7a, 7b.
- the two outer chambers also each have one
- FIGS. 5a and 5b show two further views of FIG.
- FIGS. 6a and 6b show two hydraulic diagrams for one spray nozzle adjusting device 1 each.
- Displacement devices 6 by means of a hydraulic
- FIGS. 6a and 6b are hydraulic diagrams, for the sake of clarity, only the displacement devices 6 of the spray nozzle adjustment devices 1 have been illustrated.
- FIG. 7 shows a control diagram for a spray nozzle adjustment device 1 for positioning a single spray nozzle 2.
- the pressure cylinder 11 of the displacement device 6 is as double-acting
- Hydraulic cylinder is designed and equipped with a
- Hydraulic valve 24 which is designed as a 4-3-way valve connected.
- the spray nozzle holder 4 is provided with a
- Path measuring device 13 which reports the actual position 26 to a control device 14.
- the control device 14 calculates taking into account the desired position 25 and with the aid of a control algorithm from a
- Control deviation 27 a manipulated variable 28 which, if necessary, after a gain, the hydraulic valve 24 is supplied.
- FIG. 8 shows a variant of FIG. 4.
- the drive body 21 of the displacement device 6 and the fixed tubes 29 of the telescopic tubes 7a, 7b each have separate housings, which, however - to secure the spray nozzle holder 4 against rotation relative to the drive body 21 - are connected to each other via connecting elements 31.
- the separate embodiment of the housings has the advantage that e.g. a worn telescopic tube 7a, 7b can be changed without replacement of the displacement device 6.
- the spray nozzle 2 need not be designed as a multi-component nozzle, so that e.g. For a so-called "water only" nozzle, only a single telescopic tube is necessary
- the drive body 21 has a chamber which serves as a hollow space for the
- Pressure medium cylinder 11 is used; the fixed tubes 29 of the telescopic tubes 7a, 7b each have a chamber which, as Treatment for a movable tube 39 is used.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11732425.1A EP2598270B1 (en) | 2010-07-29 | 2011-07-08 | Injection nozzle adjustment device |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10171200A EP2412459A1 (en) | 2010-07-29 | 2010-07-29 | Spray nozzle adjustment device |
EP11732425.1A EP2598270B1 (en) | 2010-07-29 | 2011-07-08 | Injection nozzle adjustment device |
PCT/EP2011/061573 WO2012013474A2 (en) | 2010-07-29 | 2011-07-08 | Injection nozzle adjustment device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2598270A2 true EP2598270A2 (en) | 2013-06-05 |
EP2598270B1 EP2598270B1 (en) | 2015-09-02 |
Family
ID=43128315
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10171200A Withdrawn EP2412459A1 (en) | 2010-07-29 | 2010-07-29 | Spray nozzle adjustment device |
EP11732425.1A Not-in-force EP2598270B1 (en) | 2010-07-29 | 2011-07-08 | Injection nozzle adjustment device |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10171200A Withdrawn EP2412459A1 (en) | 2010-07-29 | 2010-07-29 | Spray nozzle adjustment device |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP2412459A1 (en) |
KR (1) | KR101842950B1 (en) |
CN (1) | CN103108712B (en) |
WO (1) | WO2012013474A2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105478705B (en) * | 2016-01-20 | 2018-06-22 | 中冶赛迪工程技术股份有限公司 | A kind of slab secondary cooling stepless regulator |
AT520006B1 (en) | 2017-06-07 | 2021-08-15 | Primetals Technologies Austria GmbH | COOLANT NOZZLE FOR COOLING A METALLIC STRAND IN A CONTINUOUS CASTING PLANT |
JP7202246B2 (en) * | 2019-04-12 | 2023-01-11 | シャープ株式会社 | electrical equipment |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3410973C2 (en) | 1984-03-24 | 1986-06-05 | Festo KG, 7300 Esslingen | Pressure medium-operated slide-like feed device |
US4700894A (en) * | 1986-07-03 | 1987-10-20 | Grzych Leo J | Fire nozzle assembly |
JP2002143724A (en) * | 2000-11-10 | 2002-05-21 | Kazuhito Segawa | Near and far, high and low sprinkling expansion pole |
CN2504015Y (en) * | 2001-09-28 | 2002-08-07 | 宝山钢铁股份有限公司 | Cooling sprayer nozzle gap regulator of conticaster |
DE102005028754B4 (en) | 2004-07-15 | 2013-05-29 | Zf Friedrichshafen Ag | Folding cover for hydraulic, hydropneumatic or pneumatic piston-cylinder units |
AT503526B1 (en) | 2006-04-25 | 2008-07-15 | Voest Alpine Ind Anlagen | SPRAY NOZZLE ADJUSTMENT |
CN200960545Y (en) * | 2006-09-30 | 2007-10-17 | 宝山钢铁股份有限公司 | Double cool spraying pipe device for continuous casting machine |
AT506673B1 (en) * | 2008-05-13 | 2012-07-15 | Siemens Vai Metals Tech Gmbh | METHOD FOR LIQUID HOLDING ON A CAST METAL STRUCTURE IN A CONTINUOUS CASTING SYSTEM AND CONTINUOUS CASTING SYSTEM THEREFOR |
DE202008010333U1 (en) * | 2008-08-01 | 2008-10-09 | Fürbeth, Agnes | Telescopic nozzle system |
DE102008037756A1 (en) | 2008-08-14 | 2010-02-18 | Sms Siemag Aktiengesellschaft | Position sensor for measuring engaging stroke length of hydraulic piston-cylinder system, has telescope housing including inner space in which distance measuring system is arranged, where sensor is formed as gas pressure spring/gas spring |
DE102009010251A1 (en) | 2008-10-01 | 2010-04-08 | Sms Siemag Aktiengesellschaft | Apparatus and method for secondary cooling in a continuous casting plant |
-
2010
- 2010-07-29 EP EP10171200A patent/EP2412459A1/en not_active Withdrawn
-
2011
- 2011-07-08 KR KR1020137004673A patent/KR101842950B1/en active IP Right Grant
- 2011-07-08 EP EP11732425.1A patent/EP2598270B1/en not_active Not-in-force
- 2011-07-08 WO PCT/EP2011/061573 patent/WO2012013474A2/en active Application Filing
- 2011-07-08 CN CN201180037195.1A patent/CN103108712B/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2012013474A2 * |
Also Published As
Publication number | Publication date |
---|---|
KR101842950B1 (en) | 2018-03-28 |
EP2598270B1 (en) | 2015-09-02 |
CN103108712A (en) | 2013-05-15 |
KR20130041970A (en) | 2013-04-25 |
WO2012013474A2 (en) | 2012-02-02 |
CN103108712B (en) | 2015-06-17 |
EP2412459A1 (en) | 2012-02-01 |
RU2013108768A (en) | 2014-09-10 |
WO2012013474A3 (en) | 2012-09-20 |
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