US20120037331A1 - Method and Device for Guiding and Orienting a Strand in a Continuous Casting Facility for Large-Sized Round Profiles - Google Patents
Method and Device for Guiding and Orienting a Strand in a Continuous Casting Facility for Large-Sized Round Profiles Download PDFInfo
- Publication number
- US20120037331A1 US20120037331A1 US13/266,210 US201013266210A US2012037331A1 US 20120037331 A1 US20120037331 A1 US 20120037331A1 US 201013266210 A US201013266210 A US 201013266210A US 2012037331 A1 US2012037331 A1 US 2012037331A1
- Authority
- US
- United States
- Prior art keywords
- strand
- orienting
- strand surface
- heated
- track
- 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.)
- Abandoned
Links
Images
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
-
- 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
- B22D11/009—Continuous casting of metals, i.e. casting in indefinite lengths of work of special cross-section, e.g. I-beams, U-profiles
-
- 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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
-
- 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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/0406—Moulds with special profile
-
- 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
-
- 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
- B22D11/1213—Accessories for subsequent treating or working cast stock in situ for heating or insulating strands
-
- 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
- B22D11/1226—Accessories for subsequent treating or working cast stock in situ for straightening strands
-
- 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
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
-
- 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
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1282—Vertical casting and curving the cast stock to the horizontal
-
- 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
Definitions
- the invention relates to a method and a device for guiding and orienting a strand in a continuous casting facility for large-sized round profiles made of steel or a similar material.
- Round profiles are products with an approximately round or oval cross-section which have a continuously curved outer surface and so, unlike profiles with a polygonal cross-section, are free from edges.
- the casting strand cools down more quickly at the edges than on the wide sides during the solidification process, and this is associated with the risk of cracks forming in the edge regions.
- This risk is largely independent of the format size of the profile, and it arises in particular at the cross-over from the radius to the extension of the strand.
- In order to avoid the formation of cracks it is necessary to heat the edge regions of the profile by specifically introducing heat energy along the whole guide track. This type of method is disclosed in WO 2007/131584 A1.
- the strand passing out of the die is bent via one or more orienting points from the perpendicular direction at the die exit into the horizontal direction.
- the smallest possible curvature radius is sought.
- this leads to high compressive stresses on the lower side and to corresponding tensile stresses on the upper side of the casting strand.
- the tensile stresses cause cracks to form on the upper side of the strand surface although these regions themselves are subjected to the same even cooling as the rest of the strand surface.
- the casting speeds are very low. In this way the risk of crack formation is increased because the surface temperature of the strand is lower due to the slow casting.
- the object forming the basis of the invention is to avoid these disadvantages and to provide a method and a device of the type specified at the start which also guarantees crack-free bending of the casting strand along the orienting track, even with large-sized round profiles.
- This object is achieved according to the invention in that the strand surface within the orienting track is heated at least on the upper side.
- the invention makes provision to heat the whole of the strand surface.
- the heating power can be adapted to the stresses occurring locally in the strand surface along the orienting track. In this way it is possible to optimise the mode of operation of the facility procedurally.
- the strand surface is heated in a number of preferably evenly arranged partial zones of the orienting track.
- the heating power can be adapted to the different requirements in the individual orienting track sections.
- the stresses occurring while orienting the strand are by nature particularly large in the region of the extension of the strand guide. For this reason the invention makes provision to heat the strand surface preferably in the whole orienting track section.
- the invention also makes provision such that the strand surface is heated by burning an air/gas mixture in a porous structure and blowing the hot exhaust gasses produced onto the strand surface. This results in flame-free, volumetric burning with easily controllable and stable burning of the energy carrier, a high degree of conversion of the energy into radiation energy, and a large control range of the heat energy introduced and exhaust gasses flowing out over a large area.
- the device according to the invention for implementing the method has at least one porous burner with a reactor filled with ceramic foam or similar structures, the hot exhaust gasses of which flow around the whole of the strand surface. Since, as known from experience, the risk of cracks on the upper side of the strand surface is greater, it is advantageous to orient the outlet opening of the reactor specifically so that the hot exhaust gasses can initially heat the region of the strand at greatest risk of cracking.
- the invention makes provision to equip the device with a number of preferably evenly distributed porous burners which are placed in the spaces between the pairs of straightening rolls of the orienting driver device.
- This type of device is on the one hand space-saving, and on the other hand enables finally tuned heating of the casting strand.
- the device additionally with at least one porous burner disposed in front of the orienting driver device.
- the risk of crack formation is thus prevented over a longer section of the strand guide.
- FIG. 1 shows the guide and orientation device according to the invention, shown diagrammatically in the side view, and
- FIG. 2 shows a porous burner for the device from FIG. 1 , also shown diagrammatically as a section and enlarged.
- the guide and orientation device 1 shown in FIG. 1 is part of a continuous casting facility for producing large-sized round profiles made of steel or a similar material.
- the molten steel is introduced into a die 2 to the die outlet 3 of which a strand guide 4 is connected.
- the casting strand 5 passing out of the die 2 is guided in the upper section of the guide track through elongate tunnel elements 6 a to 6 d in which the casting strand 5 is, as the case may be, insulated or heated.
- These tunnel elements 6 a to 6 d can be closed all around or advantageously designed to be open at the bottom.
- the first three tunnel elements 6 a to 6 c can be formed, for example, such that cooling of the strand running through the latter is implemented, with a subsequent tunnel element 6 d, however, insulation being brought about without cooling or even heating of the strand.
- the tunnel elements 8 b, 8 d and 8 f are equipped with porous burners 10 .
- One of these burners is illustrated diagrammatically in FIG. 2 .
- the tunnel elements 8 b, 8 d and 8 f have an upper top wall 11 on which the respective porous burner 10 is placed.
- a wall, not detailed, which is advantageously provided with openings or the like, is also respectively provided on the lower side of these tunnel elements 8 b, 8 d and 8 f so that these tunnel elements insulate better.
- This porous burner 10 substantially consists of a burnable gas and air supply connection 12 and a reactor cell 13 connected to the latter and which is filled with a filler 14 made of porous ceramic foam.
- a burnable gas and air supply connection 12 substantially consists of a burnable gas and air supply connection 12 and a reactor cell 13 connected to the latter and which is filled with a filler 14 made of porous ceramic foam.
- the exhaust gas flowing out of the reactor cell 13 flows around the whole of the casting strand 5 and advantageously heats the strand surface 15 in the upper region more than on the lower side without heating the core of the strand 16 at the same time to an appreciable degree.
- the porous burners 10 enable very easily controllable and stable combustion of the energy carrier, a very high degree of conversion of the energy into radiation energy, an exhaust gas flowing out evenly and over a large area, as well as a very high adjustment range of the heat energy introduced so that the heating power of the individual burners can easily be adapted to the local requirements.
- An additional porous burner 17 is disposed in the elongate tunnel element 6 d of the strand guide in front of the orienting driver device 7 . It is formed in exactly the same way as the porous burners 10 of the orienting driver device 7 , and like the latter also has the function of heating the strand surface 15 in order to avoid the risk of crack formation here too. Since this risk increases as the solidification process progresses, it is in any case advantageous to arrange the porous burners 10 and 17 in the outlet side region of the strand guide in which the strand surface has already hardened to a considerable degree. Within this context other burner arrangements are needless to say conceivable inside and outside of the orienting driver device, respectively adapted to the respective conditions.
- the burners are differently from the embodiment described in so far as they are suitable for heating the whole of the upper and lower side of the strand surface evenly.
- the described embodiment has the advantage that the hot exhaust gases flowing out of the reactor 13 heat the upper side of the strand which is most greatly at risk of cracks, whereas the lower side which is less at risk of cracks is only heated subsequently by exhaust gases which are not quite as hot.
- temperature sensors 18 are provided along the strand guide.
- the facility described is equipped with a strand guide continuously bent from the die outlet 3 to the outlet from the orienting driver device 7 .
- the invention can also needless to say be applied to facilities the strand guide of which, after the die outlet, initially runs perpendicularly so as only then to pass into a bent guide track.
- heating of the strand surface could also only take place on its upper side in order to reduce these tensile stresses occurring when stretching the strand.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
- Tunnel Furnaces (AREA)
- Metal Rolling (AREA)
- Gas Burners (AREA)
- Continuous Casting (AREA)
Abstract
The invention relates to a method and a device for guiding and orienting a strand (5) in a continuous casting facility for large-sized round sections made of steel or a similar material. In order to prevent the formation of cracks while the strand is oriented, the outer surface (15) of the strand is heated from above and from below inside the orienting track. For this purpose, porous burners (10, 17) are arranged in the discharge section of the directing track, the hot gas emitted from said burners flowing entirely around the outer surface (15) of the strand.
Description
- The invention relates to a method and a device for guiding and orienting a strand in a continuous casting facility for large-sized round profiles made of steel or a similar material.
- Round profiles are products with an approximately round or oval cross-section which have a continuously curved outer surface and so, unlike profiles with a polygonal cross-section, are free from edges. As a result, there are different requirements for said round profiles than for profiles with a polygonal strand cross-section. With the latter it is mainly problematic that the casting strand cools down more quickly at the edges than on the wide sides during the solidification process, and this is associated with the risk of cracks forming in the edge regions. This risk is largely independent of the format size of the profile, and it arises in particular at the cross-over from the radius to the extension of the strand. In order to avoid the formation of cracks it is necessary to heat the edge regions of the profile by specifically introducing heat energy along the whole guide track. This type of method is disclosed in WO 2007/131584 A1.
- This problem does not occur with edge-free profiles because their mass is distributed evenly over the circumference, and there are no edges which are cooled from two sides. In this regard the continuous casting of round or oval profiles is in principle non-problematic. With large-sized round profiles the problem does arise, however, in the strand guide that with said profiles the cooling and solidification of the molten mass takes place more quickly on the outer surface of the strand in comparison to the core of the strand. Specifically, the strand must on the one hand be cooled down very quickly so that the core of the strand is also cooled and solidified sufficiently. In this way, however, the outer surface layer of the strand is cooled down all the more strongly.
- The strand passing out of the die is bent via one or more orienting points from the perpendicular direction at the die exit into the horizontal direction. In order to keep the space requirement and the facility costs small, the smallest possible curvature radius is sought. During the orienting process this leads to high compressive stresses on the lower side and to corresponding tensile stresses on the upper side of the casting strand. In particular, with large-sized profiles, due to the temperature ratios, as described, within the strand cross-section, there is a risk that the tensile stresses cause cracks to form on the upper side of the strand surface although these regions themselves are subjected to the same even cooling as the rest of the strand surface. Moreover, with very large round profiles the casting speeds are very low. In this way the risk of crack formation is increased because the surface temperature of the strand is lower due to the slow casting.
- The object forming the basis of the invention is to avoid these disadvantages and to provide a method and a device of the type specified at the start which also guarantees crack-free bending of the casting strand along the orienting track, even with large-sized round profiles.
- This object is achieved according to the invention in that the strand surface within the orienting track is heated at least on the upper side.
- In this way, in particular the tensile stresses occurring here can be broken down to such an extent that the strand bears up without cracks forming while the latter is oriented, while the core of the strand retains the respectively achieved degree of solidification largely unchanged. The strand surface is largely stress-free at the side.
- Nevertheless, for the purpose of a simple mode of operation the invention makes provision to heat the whole of the strand surface.
- According to the invention, the heating power can be adapted to the stresses occurring locally in the strand surface along the orienting track. In this way it is possible to optimise the mode of operation of the facility procedurally.
- Within this context provision is also made according to the invention such that the strand surface is heated in a number of preferably evenly arranged partial zones of the orienting track. In this way the heating power can be adapted to the different requirements in the individual orienting track sections.
- The stresses occurring while orienting the strand are by nature particularly large in the region of the extension of the strand guide. For this reason the invention makes provision to heat the strand surface preferably in the whole orienting track section.
- For the purpose of even, sensitively controllable heating which is gentle on the strand surface, the invention also makes provision such that the strand surface is heated by burning an air/gas mixture in a porous structure and blowing the hot exhaust gasses produced onto the strand surface. This results in flame-free, volumetric burning with easily controllable and stable burning of the energy carrier, a high degree of conversion of the energy into radiation energy, and a large control range of the heat energy introduced and exhaust gasses flowing out over a large area.
- The device according to the invention for implementing the method has at least one porous burner with a reactor filled with ceramic foam or similar structures, the hot exhaust gasses of which flow around the whole of the strand surface. Since, as known from experience, the risk of cracks on the upper side of the strand surface is greater, it is advantageous to orient the outlet opening of the reactor specifically so that the hot exhaust gasses can initially heat the region of the strand at greatest risk of cracking.
- Since the risk of cracking is at its greatest in the strand guide region on the outlet side, in particular within the orienting driver device, the invention makes provision to equip the device with a number of preferably evenly distributed porous burners which are placed in the spaces between the pairs of straightening rolls of the orienting driver device. This type of device is on the one hand space-saving, and on the other hand enables finally tuned heating of the casting strand.
- With particularly large sizes it is advantageous within the context of the invention to provide the device additionally with at least one porous burner disposed in front of the orienting driver device. The risk of crack formation is thus prevented over a longer section of the strand guide.
- In the following the invention is described in more detail by means of an exemplary embodiment with reference to the drawings.
-
FIG. 1 shows the guide and orientation device according to the invention, shown diagrammatically in the side view, and -
FIG. 2 shows a porous burner for the device fromFIG. 1 , also shown diagrammatically as a section and enlarged. - The guide and orientation device 1 shown in
FIG. 1 is part of a continuous casting facility for producing large-sized round profiles made of steel or a similar material. The molten steel is introduced into a die 2 to thedie outlet 3 of which a strand guide 4 is connected. Thecasting strand 5 passing out of the die 2 is guided in the upper section of the guide track through elongate tunnel elements 6 a to 6 d in which thecasting strand 5 is, as the case may be, insulated or heated. These tunnel elements 6 a to 6 d can be closed all around or advantageously designed to be open at the bottom. The first three tunnel elements 6 a to 6 c can be formed, for example, such that cooling of the strand running through the latter is implemented, with a subsequent tunnel element 6 d, however, insulation being brought about without cooling or even heating of the strand. - There is disposed in the adjoining section of the guide track an
orienting driver device 7 with pairs of straighteningrolls 7 a to 7 h. Further narrow tunnel elements 8 a to 8 g are fitted between the latter. Thecasting strand 5 that has meanwhile hardened on the outside is oriented here with the pairs of straighteningrolls 7 a to 7 h and introduced to an adjoining reducing roller plant 9. - The
tunnel elements porous burners 10. One of these burners is illustrated diagrammatically inFIG. 2 . Thetunnel elements upper top wall 11 on which the respectiveporous burner 10 is placed. Preferably, a wall, not detailed, which is advantageously provided with openings or the like, is also respectively provided on the lower side of thesetunnel elements - This
porous burner 10 substantially consists of a burnable gas andair supply connection 12 and areactor cell 13 connected to the latter and which is filled with afiller 14 made of porous ceramic foam. Here the combustion reaction of the pre-mixed burnable gas/air mixture runs off resulting in flame-free volumetric combustion. The exhaust gas flowing out of thereactor cell 13 flows around the whole of thecasting strand 5 and advantageously heats thestrand surface 15 in the upper region more than on the lower side without heating the core of thestrand 16 at the same time to an appreciable degree. - The
porous burners 10 enable very easily controllable and stable combustion of the energy carrier, a very high degree of conversion of the energy into radiation energy, an exhaust gas flowing out evenly and over a large area, as well as a very high adjustment range of the heat energy introduced so that the heating power of the individual burners can easily be adapted to the local requirements. - An additional
porous burner 17 is disposed in the elongate tunnel element 6 d of the strand guide in front of theorienting driver device 7. It is formed in exactly the same way as theporous burners 10 of theorienting driver device 7, and like the latter also has the function of heating thestrand surface 15 in order to avoid the risk of crack formation here too. Since this risk increases as the solidification process progresses, it is in any case advantageous to arrange theporous burners - It is also possible within the framework of the invention to design the burners differently from the embodiment described in so far as they are suitable for heating the whole of the upper and lower side of the strand surface evenly. In this regard the described embodiment has the advantage that the hot exhaust gases flowing out of the
reactor 13 heat the upper side of the strand which is most greatly at risk of cracks, whereas the lower side which is less at risk of cracks is only heated subsequently by exhaust gases which are not quite as hot. - With the individual burners the burner output is controlled dependently upon their position in the orienting track. For this
purpose temperature sensors 18 are provided along the strand guide. - The facility described is equipped with a strand guide continuously bent from the
die outlet 3 to the outlet from theorienting driver device 7. - However, the invention can also needless to say be applied to facilities the strand guide of which, after the die outlet, initially runs perpendicularly so as only then to pass into a bent guide track.
- Theoretically, heating of the strand surface could also only take place on its upper side in order to reduce these tensile stresses occurring when stretching the strand.
Claims (11)
1. A method for guiding and orienting the strand in a continuous casting facility for large-sized round profiles made of steel or a similar material, characterised in that the strand surface (15) is heated within the orienting track.
2. The method according to claim 1 , characterised in that the whole of the strand surface (15) is heated.
3. The method according to claim 1 , characterised in that the heating power is adapted to the expansions occurring locally in the strand surface (15) along the orienting track.
4. The method according to claim 1 , characterised in that the strand surface (15) is heated in a number of preferably evenly arranged partial zones (8 b, 8 d, 8 f) of the orienting track.
5. The method according to claims 1 , characterised in that the strand surface (15) is heated by burning an air/gas mixture in a porous structure (14) and blowing the hot exhaust gasses onto the strand surface (15).
6. A device for implementing the method according to claims 1 , characterised in that it has at least one porous burner (10, 17) with a reactor (13) filled with ceramic foam or similar structures, the hot exhaust gasses of which act upon the strand surface (15), at least on its upper side.
7. The device according to claim 6 , characterised in that the outlet opening of the reactor cell (13) is oriented to the upper side of the strand surface (15) so that greater heating takes place on the upper side of the strand surface than on the lower side of the latter.
8. The device according to claim 6 , characterised in that it has an orienting driver device (7) located in the outlet side strand guide region comprising a number of porous burners (10) preferably arranged evenly distributed and which are fitted in spaces between the pairs of straightening rolls (7 a to 7 h) of the orienting driver device (7).
9. The device according to claim 8 , characterised in that they are provided with at least one porous burner (17) additionally disposed in front of the orienting driver device (7).
10. The device according to claim 6 , characterised in that a tunnel element (8 b, 8 d and 8 f) at least partially surrounding the strand surface (15) is assigned respectively to the at least one porous burner (10, 17) through which these exhaust gasses are directed around the strand surface.
11. The device according to claim 6 , characterised in that the casting strand (5) passing out of the die (2) is guided through preferably a number of elongate tunnel elements (6 a to 6 d) in the upper section of the guide track in which tunnel elements the casting strand (5) is, as the case may be, insulated or heated.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09405092.9 | 2009-06-03 | ||
EP20090405092 EP2263816A1 (en) | 2009-06-03 | 2009-06-03 | Method and apparatus for guiding and straightening a strand in a continuous acsting machine for round billets of large cross-section |
PCT/EP2010/003273 WO2010139438A1 (en) | 2009-06-03 | 2010-05-30 | Method and device for guiding and orienting a strand in a continuous casting facility for large-sized round sections |
Publications (1)
Publication Number | Publication Date |
---|---|
US20120037331A1 true US20120037331A1 (en) | 2012-02-16 |
Family
ID=41006180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/266,210 Abandoned US20120037331A1 (en) | 2009-06-03 | 2010-05-30 | Method and Device for Guiding and Orienting a Strand in a Continuous Casting Facility for Large-Sized Round Profiles |
Country Status (9)
Country | Link |
---|---|
US (1) | US20120037331A1 (en) |
EP (1) | EP2263816A1 (en) |
JP (1) | JP5608224B2 (en) |
KR (1) | KR20120016191A (en) |
CN (1) | CN102481624A (en) |
CA (1) | CA2760254A1 (en) |
MX (1) | MX2011012527A (en) |
RU (1) | RU2011153214A (en) |
WO (1) | WO2010139438A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106475539A (en) * | 2015-08-31 | 2017-03-08 | 鞍钢股份有限公司 | A kind of mitigate the device of strand chink and subtract cracking method |
CN106475540A (en) * | 2015-08-31 | 2017-03-08 | 鞍钢股份有限公司 | A kind of flame heating mitigates the device of strand chink and subtracts cracking method |
US10286446B2 (en) | 2012-08-15 | 2019-05-14 | Sms Concast Ag | Spray nozzle device, in particular for spraying a cast strand |
CN112059129A (en) * | 2020-07-15 | 2020-12-11 | 金龙精密铜管集团股份有限公司 | Production method of low-alloy-content copper pipe |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3478808A (en) * | 1964-10-08 | 1969-11-18 | Bunker Ramo | Method of continuously casting steel |
FR2513552A1 (en) * | 1981-09-30 | 1983-04-01 | Usinor | Straightening continuously cast steel strands - with reduced cracking of low alloy steels |
US4444558A (en) * | 1982-09-29 | 1984-04-24 | Daidotokushuko Kabushikikaisha | System for heating broadwise-end portions of metal material |
US5065811A (en) * | 1988-11-26 | 1991-11-19 | Sms Schloemann-Siemag Aktiengesellschaft | Apparatus for the manufacture of hot rolled steel strip |
US5904204A (en) * | 1995-04-14 | 1999-05-18 | Nippon Steel Corporation | Apparatus for producing strip of stainless steel |
US6491771B1 (en) * | 1998-12-22 | 2002-12-10 | Sms Demag Ag | Method of producing round billets |
US7121323B2 (en) * | 2002-02-22 | 2006-10-17 | Sms Demag Ag | Method and device for the continuous casting and direct shaping of a metal strand, in particular a steel cast strand |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1160280B (en) * | 1960-01-14 | 1963-12-27 | Schloemann Ag | Device for straightening and conveying a strand |
CH444387A (en) * | 1966-09-21 | 1967-09-30 | Concast Ag | Process for the continuous production of strands of steel |
JPS552146B2 (en) * | 1972-09-12 | 1980-01-18 | ||
JPS5250933A (en) * | 1975-10-22 | 1977-04-23 | Nippon Steel Corp | Method and apparatus for production of cast piece with better surface property by curved type continuous casting machine |
CH604975A5 (en) * | 1976-04-27 | 1978-09-15 | Concast Ag | |
JPS609514A (en) * | 1983-06-27 | 1985-01-18 | Chugai Ro Kogyo Kaisha Ltd | Device for heating end part of hot billet |
JPS62502389A (en) * | 1985-04-03 | 1987-09-17 | カ−ジンスキイ、カス・ア−ル | Steel continuous casting equipment and method |
IT1191432B (en) * | 1986-01-07 | 1988-03-23 | Continua Int | STRAIGHTENING EXTRACTING MACHINE FOR CONTINUOUS CASTING PLANTS |
JPS632546A (en) * | 1986-06-23 | 1988-01-07 | Nippon Steel Corp | High temperature cast slab drawing in continuous casting |
JPS63207461A (en) * | 1987-02-23 | 1988-08-26 | Nippon Steel Corp | Apparatus for controlling temperature of cast slab |
JPH0441048A (en) * | 1990-06-07 | 1992-02-12 | Sumitomo Metal Ind Ltd | Apparatus for continuously casting round cast billet |
JP2983152B2 (en) * | 1995-02-06 | 1999-11-29 | 住友重機械工業株式会社 | Continuous casting method and continuous casting equipment |
JPH10211564A (en) * | 1997-01-28 | 1998-08-11 | Daido Steel Co Ltd | Continuous casting method for high speed tool steel billet, and device therefor |
DE10236368A1 (en) * | 2002-02-22 | 2003-09-04 | Sms Demag Ag | Method and device for continuous casting and direct shaping of a metal strand, in particular a casting strand made of steel materials |
JP4222148B2 (en) * | 2003-08-07 | 2009-02-12 | 住友金属工業株式会社 | Steel continuous casting method |
DE102006052138A1 (en) | 2006-05-16 | 2007-11-22 | Sms Demag Ag | Method and strand guiding device for guiding a cast strand |
-
2009
- 2009-06-03 EP EP20090405092 patent/EP2263816A1/en not_active Withdrawn
-
2010
- 2010-05-30 CN CN2010800250384A patent/CN102481624A/en active Pending
- 2010-05-30 JP JP2012513501A patent/JP5608224B2/en not_active Expired - Fee Related
- 2010-05-30 KR KR1020117023218A patent/KR20120016191A/en not_active Application Discontinuation
- 2010-05-30 MX MX2011012527A patent/MX2011012527A/en not_active Application Discontinuation
- 2010-05-30 WO PCT/EP2010/003273 patent/WO2010139438A1/en active Application Filing
- 2010-05-30 CA CA2760254A patent/CA2760254A1/en not_active Abandoned
- 2010-05-30 US US13/266,210 patent/US20120037331A1/en not_active Abandoned
- 2010-05-30 RU RU2011153214/02A patent/RU2011153214A/en not_active Application Discontinuation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3478808A (en) * | 1964-10-08 | 1969-11-18 | Bunker Ramo | Method of continuously casting steel |
FR2513552A1 (en) * | 1981-09-30 | 1983-04-01 | Usinor | Straightening continuously cast steel strands - with reduced cracking of low alloy steels |
US4444558A (en) * | 1982-09-29 | 1984-04-24 | Daidotokushuko Kabushikikaisha | System for heating broadwise-end portions of metal material |
US5065811A (en) * | 1988-11-26 | 1991-11-19 | Sms Schloemann-Siemag Aktiengesellschaft | Apparatus for the manufacture of hot rolled steel strip |
US5904204A (en) * | 1995-04-14 | 1999-05-18 | Nippon Steel Corporation | Apparatus for producing strip of stainless steel |
US6491771B1 (en) * | 1998-12-22 | 2002-12-10 | Sms Demag Ag | Method of producing round billets |
US7121323B2 (en) * | 2002-02-22 | 2006-10-17 | Sms Demag Ag | Method and device for the continuous casting and direct shaping of a metal strand, in particular a steel cast strand |
Non-Patent Citations (1)
Title |
---|
EPO machine translation of FR 2513552 A, 4/1/83 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10286446B2 (en) | 2012-08-15 | 2019-05-14 | Sms Concast Ag | Spray nozzle device, in particular for spraying a cast strand |
CN106475539A (en) * | 2015-08-31 | 2017-03-08 | 鞍钢股份有限公司 | A kind of mitigate the device of strand chink and subtract cracking method |
CN106475540A (en) * | 2015-08-31 | 2017-03-08 | 鞍钢股份有限公司 | A kind of flame heating mitigates the device of strand chink and subtracts cracking method |
CN112059129A (en) * | 2020-07-15 | 2020-12-11 | 金龙精密铜管集团股份有限公司 | Production method of low-alloy-content copper pipe |
Also Published As
Publication number | Publication date |
---|---|
JP2012528720A (en) | 2012-11-15 |
EP2263816A1 (en) | 2010-12-22 |
WO2010139438A1 (en) | 2010-12-09 |
MX2011012527A (en) | 2011-12-16 |
RU2011153214A (en) | 2013-07-20 |
CA2760254A1 (en) | 2010-12-09 |
CN102481624A (en) | 2012-05-30 |
KR20120016191A (en) | 2012-02-23 |
JP5608224B2 (en) | 2014-10-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102356458B (en) | Diffusion furnaces employing ultra low mass transport systems and methods of wafer rapid diffusion processing | |
US20120037331A1 (en) | Method and Device for Guiding and Orienting a Strand in a Continuous Casting Facility for Large-Sized Round Profiles | |
US20090100875A1 (en) | Sheet glass oven | |
KR20130033410A (en) | Process and apparatus for manufacturing polycrystalline silicon ingots | |
US4604123A (en) | Process and installation for heating a channel containing glass by means of oxyfuel flames | |
JP2005528531A (en) | Method for reducing temperature deviation on heated material, skid member, and skid device using the same | |
EP0000269A1 (en) | Method for thermally toughening glass sheets and glass sheets obtained by this method, in particular to be used as motor vehicle side or rear windows. | |
RU2330819C2 (en) | Method and furnace for glass panels sagging | |
CN101443144A (en) | Method and strand-guiding device for guiding a cast strand | |
BR112014000230A2 (en) | DEVICE FOR TRANSFERRING A METALLURGICAL MATERIAL | |
US4458427A (en) | Process and device for intensive heat and material transfer | |
EP2310331B1 (en) | Forehearth or working-end for glass furnace and procedure for the extraction of fumes from the forehearth | |
EP2580360B1 (en) | Annealing installation with m-shaped strip treatment tunnel | |
JPS58144125A (en) | Microwave heating apparatus for preparing carbon fiber | |
CN108751684A (en) | A kind of modularized design devitrified glass heat-treatment production line | |
CN200999254Y (en) | Automobile wheel hub continuous heat-treating furnace | |
CN110487073B (en) | Energy-saving partition-free double-layer roller kiln | |
US20130152635A1 (en) | Process and device of three-dimensional deformation of panels, in particular glass panels | |
CN204404790U (en) | A kind of pusher-tray type roaster | |
SU504710A1 (en) | Glass furnace | |
KR101322124B1 (en) | Apparatus for prevention of thermal radiation | |
US9914659B2 (en) | Process and apparatus for coloring glass containers | |
KR101536440B1 (en) | Apparatus for preventing transformation of furnace | |
CN109982569A (en) | Baking device with cooling vertical pillar | |
JPS6013036Y2 (en) | heat treatment furnace |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: SMS CONCAST AG, SWITZERLAND Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MEIER, THOMAS;VON EYNATTEN, KLAUS;REEL/FRAME:027117/0121 Effective date: 20111014 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO PAY ISSUE FEE |