CN102294449A - Method for active strip breaking and continuous casting keeping of strip continuous casting - Google Patents
Method for active strip breaking and continuous casting keeping of strip continuous casting Download PDFInfo
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- CN102294449A CN102294449A CN2010102113078A CN201010211307A CN102294449A CN 102294449 A CN102294449 A CN 102294449A CN 2010102113078 A CN2010102113078 A CN 2010102113078A CN 201010211307 A CN201010211307 A CN 201010211307A CN 102294449 A CN102294449 A CN 102294449A
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Abstract
A method for active strip breaking and continuous casting keeping of strip continuous casting comprises the following steps of: two sets of active strip breaking devices, a set of cast strip breakage detection system and a set of strip steel guiding device are symmetrically arranged on the left and the right with a vertical cast strip as a centre under a strip continuous casting roll; in the strip continuous casting process, when the head portion of the cast strip is poor in quality at the initial stage of casting, breaking the head portion of the cast strip by the active strip breaking devices in an active manner, thereby removing the poor cast strip head portion; and when a coil of cast strip is curled completely and a curling machine needs to switch a reel, breaking the cast strip by the active strip breaking devices in the active manner at the outlet of a casting machine, and then matching the cast strip breakage detection system with the strip steel guiding device so that the subsequent cast strip can be continuous curled. The method is capable of removing head portion of the strip continuous casting cast strip having quality defects, and also capable of performing active separation and strip breakage while switching the reels of the curling machine; and the method is further capable of keeping casting operation continuity after the active strip breakage, thereby achieving the purpose of stable production and improving the casting success rate.
Description
Technical field
The present invention relates to continuous casting technology, particularly a kind of thin strap continuous casting active broken belt also keeps the method for direct casting.
Background technology
The twin-roll thin strip continuous casting technology is a kind of advanced person's a short flow process metallurgical technology.Typical example as shown in Figure 1, directly pouring molten steel is relatively rotated the casting roller 1a that also can cool off fast at one by two, 1b and side seal board 2a, in the molten bath that 2b surrounds, the peripheral surface that molten steel is rotated at the casting roller is cooled and solidifies, and then formation solidified shell and growth gradually, then at two crystallization roller 1a, minimum place, 1b roll gap crack is pressed together, form band 4, band is via guide plate 5 guiding kink guide roller 12 and pinch rolls 6, and at kink guide roller 12 and casting roller 1a, form kink 3 between the 1b, be rolled into strip by milling train 7 then, drive through spray cooling device 9 by rollgang 8 then and cool off, send into crimping machine 11 at last through crimping machine pinch roll 10 and curl.
It is fast that the production of thin strap continuous casting has speed, the characteristics that flow process is short.And in thin strap continuous casting technology, the process condition at casting initial stage is very complicated, the temperature of crystallization this moment roller is lower, liquid steel temperature in the molten bath is also lower, cause casting strip quality very poor, a lot of and the Cast Strip head out-of-shape of impurity, the head warpage often occurs or tear etc. is unfavorable for the abnormal conditions that carry the Cast Strip, if be left intact in this case, then the Cast Strip is difficult to be transported to subsequent handling, very likely at the milling train place or coiling machine inlet stop up, thereby cause whole casting operation failure.
In addition, in the direct casting, need initiatively the Cast Strip initiatively to be disconnected when switching the crimping machine reel after a finished product volume curls and finishes, as the method for mentioning in Chinese patent CN1358119A, CN1297793 and the U.S. Pat 6698498 is that shear arrangement is set behind milling train, switches coiling machine again after the Cast Strip is disconnected.
But also there are some additive methods to save shear arrangement, technological parameters such as employing speed change described in U.S. Pat 2004104006A and WO02076655A1 or change roll gap make the Cast Strip locate to rupture in the outlet (nip point) of casting machine, thereby reach the purpose of broken belt.In these methods, great majority are to adopt the swing guide device to keep the post-rift casting continuity in Cast Strip in casting machine, and the form of swing guide is different, all is in order to guide the Cast Strip to make it can enter next process smoothly.
More above-mentioned two kinds of broken belt methods, before a kind ofly mostly need before the Cast Strip is sent to coiling machine, implement shearing, what utilize is the band steel bundling processing method of comparison routine, there is unworthiness in this method for thin strap continuous casting technology, because if take the lead under the situation of poor quality, long apart from the course of conveying probably before flying shear is delivered in the Cast Strip with regard to because other reasons and jam on rollgang.
Then a kind of method needs control strictly to impel the casting process parameter of Cast Strip fracture, in the broken belt process, change relevant parameters and can cause molten metal pool level big ups and downs or the fluctuation of casting roller gap, fluctuation in these short time all can cause the casting cycle instability, there is the risk of damage casting roller roll surface quality, damage side seal board, and then causes serious bleed-out accident.And, utilize this method to be difficult to the second best in quality Cast Strip of control head, be unfavorable for the Cast Strip conveying.
In sum, produce successional needs, must in the thin strap continuous casting casting cycle, take measures to make the Cast Strip initiatively to rupture and after fracture, keep the continuity of casting operation, thereby reach the purpose of steady production for thin strap continuous casting.
Summary of the invention
The objective of the invention is to propose a kind of thin strap continuous casting active broken belt and keep the method for direct casting, the thin strap continuous casting end of extruded band portion that utilizes this method to remove to have mass defect, active bundling broken belt when being used to switch coiler mandrel simultaneously, behind the active broken belt, keep the casting operation continuity simultaneously, thereby reach the purpose of steady production, raising is cast into power.The present invention is applicable to twin-roll thin strip continuous casting production, the strip steel of 1-2.5mm.
For achieving the above object, technical scheme of the present invention is,
A kind of thin strap continuous casting initiatively broken belt also keeps the method for direct casting, is left and right two covers initiatively tape cutters, a cover Cast Strip broken belt detection system and the cover band steel guider of being symmetrical arranged in center with vertical Cast Strip below the thin-belt continuous casting roller; In the strip casting process, at the casting initial stage, initiatively tape cutter makes Cast Strip head fracture, separates with follow-up continuous Cast Strip, removes the bad Cast Strip of quality head; And, curling the finishing in the Cast Strip, when coiling machine need switch reel, initiatively tape cutter made the Cast Strip fracture in the casting machine exit, and matching with the Cast Strip guider to move by Cast Strip broken belt detection system then makes the Cast Strip be curled continuously.
Further, initiatively broken belt adopts gas in direct injection Cast Strip, exit, Cast Strip.
Described active tape cutter comprise can gas jet tube-shaped sputtering device and driving mechanism thereof, injection apparatus under the effect of hydraulic cylinder, move near or deviate from the Cast Strip; During the broken belt operation, two injection apparatus move simultaneously near the Cast Strip, and nozzle is to Cast Strip inject high pressure gas when the 50-200mm scope of nozzle distance Cast Strip, and aero operating pressure is 0.7-2Mpa.
Described gas medium is preferably nitrogen or argon gas.
Evenly be furnished with the gases at high pressure nozzle on the tube-shaped sputtering device in the described active tape cutter, the spray angle of gas nozzle is 10 °-20 °, and spray regime is the ribbon zone, and the injection apparatus jeting area is greater than maximum Cast Strip width.
Jet zone on the injection apparatus of the same side between the adjacent nozzles is overlapped, and overlapping scope surpasses 30% of single-nozzle projected area, the nozzle interlaced arrangement on the injection apparatus of the left and right sides.
Described Cast Strip broken belt detection system is a cover line sweep belt steel temperature checkout gear, along going out the below that is installed in injection apparatus with direction, it had begun to carry out Cast Strip surface temperature detection before casting operation began, it can detect and handle once the temperature data of whole Cast Strip width in 0.1s, in the casting cycle, the Cast Strip guidance system is taked the corresponding action mode according to its testing result.
Described belt steel temperature checkout gear is the infrared temperature scanning means, can be used for detecting the real-time table surface temperature of Cast Strip, if generation broken belt, then its detected temperature fluctuation meeting is very big, if the temperature fluctuation in two continuous temperature sense cycle then is judged as the Cast Strip and ruptures greater than 700 ℃.
But described band steel guider is the swing guide mechanism that a cover adopts hydraulic cylinder control, and its needs along with casting operation can move to its upper limit and following two positions of lower limit; When it was in upper limit, the non-oscillation end of swing guide surpassed i.e. two the roll gap center line 50-100mm that cast between the roller of casting center line; When swing guide was in lower limit, the Cast Strip was when forming maximum kink, and the kink curve is free kink curve, and promptly the shape of kink curve is not subjected to the constraint of swing guide.
Two stenosis of casting roller gap are the Cast Strip outlet, the Cast Strip temperature in next-door neighbour zone, band outlet place is very high below the casting roller, be 1200-1350 ℃, the intensity of the Cast Strip of this moment is very poor, utilize these characteristics of Cast Strip, adopt the method for gases at high pressure direct injection Cast Strip to be easy to make the Cast Strip fracture among the present invention.
In the thin strap continuous casting casting cycle, adopt the continuous situation in broken belt detection system Real Time Observation Cast Strip, Cast Strip, according to Cast Strip situation and arts demand, the active tape cutter that is installed in thin-belt continuous casting roller below adopts the mode of gas direct injection Cast Strip to make and the Cast Strip fracture makes the Cast Strip successfully be directed to subsequent handling by corresponding Cast Strip guider then.
In the inventive method, below the casting roller, be left and right two covers initiatively tape cutters, a cover Cast Strip broken belt detection system and the cover band steel guider of being symmetrical arranged in center with vertical Cast Strip.Be divided into two kinds of operating modes and implement this method in thin strap continuous casting technology, a kind of is initiatively to make Cast Strip head fracture.This broken belt operation implements to remove the bad head of Cast Strip amount at the casting initial stage.Another kind is to curl in the Cast Strip to finish, and when coiling machine need switch reel, the Cast Strip is broken belt bundling and continuation casting initiatively.
Concrete broken belt control flow is controlled by the guiding control module of the Cast Strip in the casting machine control system, Cast Strip guiding control module can preestablish concrete broken belt time and broken belt number of times, or implements concrete operations according to the continuous situation in real-time as mentioned above Cast Strip.
Active tape cutter of the present invention comprise can inject high pressure gas tube-shaped sputtering device and driving mechanism thereof, injection apparatus can under the effect of hydraulic cylinder, move near or deviate from the Cast Strip.During the broken belt operation, two injection apparatus move simultaneously near Cast Strips, and injection apparatus stops to move when the 50-200mm scope of nozzle distance Cast Strip, begin by nozzle to Cast Strip inject high pressure gas, and described gas medium is nitrogen (N
2) or argon gas (Ar), aero operating pressure is 0.7-2MPa during spraying operation, spraying simultaneously, two injection apparatus are rotated around its axis in opposite directions by driven by motor, rotary speed depends on the pace of Cast Strip, target is by rotation the gas nozzle that is installed on the injection apparatus to be injected in gas on the same position on surface, Cast Strip all the time, guarantees Cast Strip thoroughly fracture at short notice.
After the fracture of Cast Strip; gas jet pressure is decreased to 0.3-0.5MPa to be continued to spray, and there is the inert gas shielding atmosphere in confined chamber under the maintenance casting machine, and the injection apparatus rollback is motionless to the fixed-site more than the 1m of nozzle distance Cast Strip; injection apparatus rotates back to initial position simultaneously, waits for broken belt operation next time.
Evenly be furnished with the gases at high pressure nozzle on the tube-shaped sputtering device in the active tape cutter of the present invention, the spray angle of gas nozzle is between 10 °-20 °, spray regime is the ribbon zone, jet zone on the injection apparatus of the same side between the adjacent gas nozzle is overlapped, overlapping scope surpasses 30% of single-nozzle projected area, nozzle arranged crosswise on the injection apparatus of the left and right sides, the jeting area of nozzle is greater than maximum Cast Strip width, as shown in Figure 6.
Cast Strip of the present invention broken belt detection system is a cover line sweep belt steel temperature checkout gear, along going out the below that is installed in injection apparatus with direction, it had begun to carry out Cast Strip surface temperature detection before casting operation began, it can detect and handle once the temperature data of whole Cast Strip width in 0.1s, in the casting cycle, the Cast Strip guidance system is taked the corresponding action mode according to its testing result.The belt steel temperature checkout gear is the infrared temperature scanning means, can be used for detecting the real-time table surface temperature of Cast Strip, if generation broken belt, then its detected temperature fluctuation meeting is very big, if the temperature fluctuation in two continuous detecting cycles is greater than 700 ℃ then be judged as the Cast Strip and rupture, a Cast Strip temperature detection cycle described here is 0.1s, and after casting finished, the Cast Strip checkout gear quit work.
But described band steel guider is the swing guide mechanism that a cover adopts hydraulic cylinder control, and its needs along with casting operation can move to its upper limit and following two positions of lower limit.When it was in upper limit, the non-oscillation end of swing guide surpassed casting center line (roll gap center line) 50-100mm.When swing guide was in lower limit, the Cast Strip was when forming maximum kink, and the kink curve is free kink curve, and promptly the shape of kink curve is not subjected to the constraint of swing guide.
Major advantage of the present invention
1. realize in the thin strap continuous casting casting cycle initiatively broken belt and keep direct casting, can effectively improve thin strap continuous casting and be cast into power.Improve casting stability and efficient, avoid other initiatively the parameter fluctuation that brings of broken belt modes to the influence of casting cycle.
2. initiatively tape cutter has and provides under the casting machine confined chamber to realize dual-use with the function of inert gas shielding when not carrying out broken belt, has improved utilization rate of equipment and installations, saves equipment investment.
3. adopt contactless broken belt method, broken belt method simple possible, equipment investment is few; Monitor the continuous situation in Cast Strip in the casting cycle in real time, guarantee the broken belt effect.
The difference of the present invention and prior art and improvements
A kind of flying shear of mentioning among the Chinese patent CN1297793 is comprising two pairs of cutting edges, three guide channels.When cutting underproof waste material head, can waste material be moved on to another collecting box by mobile guide passage a and handle, normal product is then sheared in gathering sill b smoothly, and the product of afterbody is then cut apart among another gathering sill c.This processing method is applicable to the shearing of bar steel, and the band steel is because the width restriction can't frequently move away the conveying raceway, so can not realize real-time shearing.
The method of mentioning among Chinese patent CN1358119A and the U.S. Pat 6698498B1 is to add shear arrangement at the pinch roll rear portion of thin strap continuous casting production line, in case the Cast Strip defect detector detects the Cast Strip defective, then cutter work, the Cast Strip is cut into discrete length, and the scrap collecting tank that the part that has arrangement for deflecting that the Cast Strip is cut is sent into along certain raceway, treat that casting strip quality normally batches after stable again, is still introduced the Cast Strip in the coiling machine by arrangement for deflecting.This method can guarantee Continuous Casting Stability, can eliminate the mass defect of Cast Strip.But structure is huge, implements a bit complicated.
The method of above-mentioned Cast Strip fracture and the maximum different zone differences that are the broken belt operation of the present invention, as described herein, if Cast Strip head quality is bad, then the Cast Strip is difficult to be sent to the subsequent treatment operation, so, the method of mentioning in the present invention is at first will separate the Cast Strip head, guarantees that follow-up Cast Strip is entered next operation smoothly.Be that the present invention can improve and is cast into power.
Method described in U.S. Pat 2004104006A1, the WO02076655A1 is to utilize fixing casting rate and the relation between the thickness of Cast Strip, pace of change when needs disconnect the Cast Strip, deficiency broken belt under the effect of own wt is solidified in the Cast Strip, avoid using external equipment to come the Cast Strip is sheared, the method is fine, but control more complicated, and take the lead shape as the Cast Strip that the method obtains certainly will be very poor, be unfavorable for that the Cast Strip imports subsequent handling, cause the casting failure easily.
Method described in U.S. Pat 5690163 and the US5187912 is during casting, and casting rate is constant, makes the Cast Strip rupture owing to solidifying deficiency by become big roll gap in one period specific short time.Similar with top method, but still exist the uncontrollable problem of end of extruded band shape, be unfavorable for that the Cast Strip imports subsequent handling.And this method needs the speed or the roll gap of frequent change crystallization roller, and harmful effect is arranged service life stable for casting and side seal board.
Above-mentioned patent utilization changes the method for casting process parameter and carries out the Cast Strip cutting operation, is difficult to control the fracture quality at broken belt place; And cause the casting equipment damage easily and influence the casting system instability.The present invention can avoid the casting equipment damage, does not influence casting cycle stability.
Description of drawings
Fig. 1 is the thin strap continuous casting process schematic representation.
Fig. 2 is active broken belt and Cast Strip guider control principle figure among the present invention.
Fig. 3 is the work schematic diagram of broken belt and Cast Strip guider during normal casting among the present invention.
Fig. 4 is the work schematic diagram of broken belt and Cast Strip guider during broken belt initiatively among the present invention.
Fig. 5 is the work schematic diagram of broken belt behind the active break band of the present invention and Cast Strip guider.
Fig. 6 is the nozzle operation position view of tape cutter during broken belt initiatively among the present invention.
The specific embodiment
Further describe technical scheme of the present invention below by two embodiment.
Operating mode one, casting machine initiatively broken belt are removed bad Cast Strip head and the direct casting of quality
Referring to Fig. 2～Fig. 6, enter the casting pattern, the broken belt checkout gear 15 that is installed in thin-belt continuous casting roller below is monitored the continuous situation of Cast Strip in real time, and will detect data and flow to band steel guiding control module 23, the swing guide 16 of this moment is in its lower limit, and its position records and controls by servo valve 27 by being positioned at its displacement transducer 26 that drives hydraulic cylinder 25 rear portions.
After casting Cast Strip continuous length surpasses 10m, hydraulic cylinder 18,18 ' at servo valve 28,28 ' effect promotes left and right sides gas injection apparatus 17 down, 17 ' to moving near the Cast Strip direction, in the nozzle distance Cast Strip is that the 100mm place stops to move, and beginning inject high pressure argon gas (Ar), gas work strength 1.3MPa, be with steel guiding control module 23 to send instruction simultaneously and give frequency converter 21,21 ' orders about motor 22,22 ' drives tube-shaped sputtering device 17,17 ' rotates around tracheae self axis in opposite directions from its initial position (nozzle horizontal positioned), the position that makes gas nozzle be injected in the surface, Cast Strip remains unchanged, rupture rapidly until the Cast Strip, as Fig. 3, injection apparatus maximum rotation angle is 45 °.
If injection apparatus has gone to its maximum spray angle, and broken belt checkout gear 15 does not detect the Cast Strip break signal, then be with steel guiding control module 23 to send instruction and give frequency converter 21,21 ' orders about motor 22,22 ' drives tube-shaped sputtering device 17,17 ' rotates in opposite directions around self axis rapidly and returns to initial position, and spray argon gas again, operating pressure increases to 1.5MPa, promptly spray the surface, Cast Strip with the operating pressure of 1.5MPa, while tube-shaped sputtering device 17,17 ' rotates around the tracheae axis in opposite directions from its initial position (nozzle horizontal positioned), and the position that makes gas nozzle be injected in the surface, Cast Strip remains unchanged.Broken belt checkout gear 15 detects after the break signal of Cast Strip, it gives band steel guiding control module 23 with the broken belt signal feedback, the latter sends to instruct and orders about hydraulic cylinder 25 to servo valve 27 and drive swing guides 16 and be raised up to its upper limit, and the position is detected by displacement transducer 26 and fed back to band steel guiding control module 23.Simultaneously, band steel guiding control module 23 moves to deviating from the Cast Strip direction by the tube-shaped sputtering device 17,17 ' that servo valve 28,28 ' drives hydraulic cylinder 18,18 ' drive and arranged on left and right sides, in the nozzle distance Cast Strip is that the 1m place stops to move, and its shift position is detected by displacement transducer 19,19 ' and fed back to and is with steel guiding control module 23; This moment, the operating air pressure of gas jet was 0.3MPa, as the protective gas of confined chamber under the casting machine; Being with steel guiding control module 23 to send instruction simultaneously drives tube-shaped sputtering device 17,17 ' for frequency converter 21,21 ' drive motors 22,22 ' to rotate in opposite directions around self axis and return to its initial position, wait for broken belt operation next time.
Thereafter the Cast Strip enters the subsequent delivery roller-way through swing guide 16, as Fig. 4.After entering coiling machine, band steel guiding control module 23 is sent instruction and is ordered about hydraulic cylinder 25 for servo valve 27 to drive swing guides 16 and be lowered into its lower limit, and as shown in Figure 5, the Cast Strip forms kink between swing guide 16 and casting roller 1a, 1b, enter and stablize the casting state.
Operating mode two, casting machine initiatively broken belt are used to switch coiler mandrel
Curl when being near completion in a last Cast Strip, the rollgang at main frame rear portion quickens, and reduces the kink amount.The Cast Strip alignment control system repeats the active broken belt flow process in the operating mode one and continues casting then, finishes until casting.
Claims (10)
1. thin strap continuous casting broken belt and keep the method for direct casting initiatively is left and right two covers initiatively tape cutters, a cover Cast Strip broken belt detection system and the cover band steel guider of being symmetrical arranged in center with vertical Cast Strip below the thin-belt continuous casting roller; In the strip casting process, at the casting initial stage, initiatively tape cutter makes Cast Strip head fracture, separates with follow-up continuous Cast Strip, removes the bad Cast Strip of quality head; And, curling the finishing in the Cast Strip, when coiling machine need switch reel, initiatively tape cutter made the Cast Strip fracture in the casting machine exit, and matching with the Cast Strip guider to move by Cast Strip broken belt detection system then makes the Cast Strip be curled continuously.
2. thin strap continuous casting active broken belt as claimed in claim 1 also keeps the method for direct casting, it is characterized in that, initiatively the method for broken belt is to adopt gas direct injection Cast Strip in the casting machine exit.
3. thin strap continuous casting active broken belt as claimed in claim 1 also keeps the method for direct casting, it is characterized in that, described active tape cutter comprise can gas jet tube-shaped sputtering device and driving mechanism thereof, the tube-shaped sputtering device is the tracheae that a cover is equipped with gas nozzle, gas leads to each nozzle by tracheae, the tube-shaped sputtering device moves close under the effect of hydraulic cylinder or deviates from the Cast Strip, and tube-shaped sputtering device axis around tracheae under driven by motor rotates.
4. thin strap continuous casting active broken belt as claimed in claim 1 also keeps the method for direct casting, it is characterized in that, during the broken belt operation, two tube-shaped sputtering devices move simultaneously near the Cast Strip, nozzle is to Cast Strip inject high pressure gas when the 50-200mm scope of nozzle distance Cast Strip, aero operating pressure is 0.7-2Mpa, and two tube-shaped sputtering devices rotate in opposite directions in driven by motor simultaneously, and gas nozzle is injected in gas on the same position, surface, Cast Strip all the time.
5. as claim 2 or 3 or 4 described thin strap continuous castings broken belts and keep the method for direct casting initiatively, it is characterized in that described gas medium is nitrogen or argon gas.
6. thin strap continuous casting active broken belt as claimed in claim 3 also keeps the method for direct casting, it is characterized in that the spray angle of described gas nozzle is 10 °-20 °, and spray regime is the ribbon zone, and the jeting area of injection apparatus is greater than maximum Cast Strip width.
7. as claim 3 or 4 or 6 or described thin strap continuous casting broken belt and keep the method for direct casting initiatively, it is characterized in that, jet zone on the tube-shaped sputtering device of the same side between the adjacent gas nozzle is overlapped, overlapping scope surpasses 30% of single-nozzle projected area, the nozzle interlaced arrangement on the injection apparatus of the left and right sides.
8. thin strap continuous casting active broken belt as claimed in claim 1 also keeps the method for direct casting, it is characterized in that, described Cast Strip broken belt detection system is a cover line sweep belt steel temperature checkout gear, along going out the below that is installed in injection apparatus with direction, it had begun to carry out Cast Strip surface temperature detection before casting operation began, it detects and handles once the temperature data of whole Cast Strip width in 0.1s, in the casting cycle, the Cast Strip guidance system is taked corresponding action according to its testing result.
9. thin strap continuous casting active broken belt as claimed in claim 1 also keeps the method for direct casting, it is characterized in that, described Cast Strip broken belt detection system is the infrared temperature scanning means, be used to detect the real-time table surface temperature of Cast Strip, if the generation broken belt, then its detected temperature fluctuation meeting is very big, if the temperature fluctuation in two continuous temperature sense cycle is greater than 700 ℃, then be judged as the Cast Strip and rupture, a Cast Strip temperature detection cycle is 0.1s.
10. thin strap continuous casting active broken belt as claimed in claim 1 also keeps the method for direct casting, it is characterized in that, but described band steel guider is the swing guide mechanism that a cover adopts hydraulic cylinder control, and its needs along with casting operation can move to its upper limit and following two positions of lower limit; When it was in upper limit, the non-oscillation end of swing guide surpassed i.e. two the roll gap center line 50-100mm that cast between the roller of vertical casting center line; When swing guide was in lower limit, the Cast Strip was when forming maximum kink, and the kink curve is free kink curve, and promptly the shape of kink curve is not subjected to the constraint of swing guide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010211307 CN102294449B (en) | 2010-06-25 | 2010-06-25 | Method for active strip breaking and continuous casting keeping of strip continuous casting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010211307 CN102294449B (en) | 2010-06-25 | 2010-06-25 | Method for active strip breaking and continuous casting keeping of strip continuous casting |
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| CN102294449A true CN102294449A (en) | 2011-12-28 |
| CN102294449B CN102294449B (en) | 2013-06-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103182491A (en) * | 2011-12-30 | 2013-07-03 | 宝山钢铁股份有限公司 | Control method and device for thin-strip continuous casting free loop |
| CN103182490A (en) * | 2011-12-30 | 2013-07-03 | 宝山钢铁股份有限公司 | Method and control system for twin-roll thin strip continuous casting |
| CN110312581A (en) * | 2017-02-23 | 2019-10-08 | 普锐特冶金技术日本有限公司 | Thin plate continuous casting apparatus |
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| US5690163A (en) * | 1995-09-19 | 1997-11-25 | Ishikawajima-Harima Heavy Industries Company Limited | Strip casting |
| CN1297793A (en) * | 1999-04-08 | 2001-06-06 | 摩根建设公司 | High-speed flying shears |
| CN1358119A (en) * | 1999-04-08 | 2002-07-10 | 卡斯特里普公司 | Casting strip |
| WO2002076655A1 (en) * | 2001-03-26 | 2002-10-03 | Danieli & C. Officine Meccaniche Spa | Method to shear a strip during the casting step |
| WO2006048078A1 (en) * | 2004-10-29 | 2006-05-11 | Siemens Vai Metals Technologies Gmbh & Co | Method for producing a cast steel strip |
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2010
- 2010-06-25 CN CN 201010211307 patent/CN102294449B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5690163A (en) * | 1995-09-19 | 1997-11-25 | Ishikawajima-Harima Heavy Industries Company Limited | Strip casting |
| CN1297793A (en) * | 1999-04-08 | 2001-06-06 | 摩根建设公司 | High-speed flying shears |
| CN1358119A (en) * | 1999-04-08 | 2002-07-10 | 卡斯特里普公司 | Casting strip |
| WO2002076655A1 (en) * | 2001-03-26 | 2002-10-03 | Danieli & C. Officine Meccaniche Spa | Method to shear a strip during the casting step |
| WO2006048078A1 (en) * | 2004-10-29 | 2006-05-11 | Siemens Vai Metals Technologies Gmbh & Co | Method for producing a cast steel strip |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103182491A (en) * | 2011-12-30 | 2013-07-03 | 宝山钢铁股份有限公司 | Control method and device for thin-strip continuous casting free loop |
| CN103182490A (en) * | 2011-12-30 | 2013-07-03 | 宝山钢铁股份有限公司 | Method and control system for twin-roll thin strip continuous casting |
| CN103182490B (en) * | 2011-12-30 | 2015-07-22 | 宝山钢铁股份有限公司 | Method and control system for twin-roll thin strip continuous casting |
| CN103182491B (en) * | 2011-12-30 | 2015-08-26 | 宝山钢铁股份有限公司 | A kind of free loops by thin-strip continuous casting control method and device |
| CN110312581A (en) * | 2017-02-23 | 2019-10-08 | 普锐特冶金技术日本有限公司 | Thin plate continuous casting apparatus |
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| Publication number | Publication date |
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| CN102294449B (en) | 2013-06-19 |
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