EP1676658B1 - Installation de coulée continue de billette et de bloom en acier - Google Patents
Installation de coulée continue de billette et de bloom en acier Download PDFInfo
- Publication number
- EP1676658B1 EP1676658B1 EP04030926A EP04030926A EP1676658B1 EP 1676658 B1 EP1676658 B1 EP 1676658B1 EP 04030926 A EP04030926 A EP 04030926A EP 04030926 A EP04030926 A EP 04030926A EP 1676658 B1 EP1676658 B1 EP 1676658B1
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- EP
- European Patent Office
- Prior art keywords
- slab
- strand
- section
- length
- cross
- 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.)
- Not-in-force
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- 238000005266 casting Methods 0.000 title claims description 29
- 238000001816 cooling Methods 0.000 claims description 24
- 238000007620 mathematical function Methods 0.000 claims description 10
- 230000007423 decrease Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract 4
- 239000011796 hollow space material Substances 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 9
- 230000008901 benefit Effects 0.000 description 6
- 238000009749 continuous casting Methods 0.000 description 6
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000005499 meniscus Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/041—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for vertical casting
-
- 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
Definitions
- the invention relates to a steel continuous casting plant for billet and bloom formats according to the preamble of claim 1.
- Corners of the mold cavity of tube molds are rounded by fillets.
- the incipient solidification of the strand just below the bath level in the mold runs at straight portions of the mold cavity circumference different from the groove areas.
- the heat flow at the straight or substantially straight sections is quasi one-dimensional and follows the law of heat transmission through a flat wall.
- the heat flow in the rounded corners is two-dimensional and it follows the law of heat transfer through a curved wall.
- the resulting strand shell is usually thicker in the corner areas at the beginning of solidification below the bath level than on the straight surfaces and begins to shrink earlier and more strongly in time.
- the strand shell in the corner regions of the mold wall rises in an irregular manner after only about 2 seconds and air gaps are formed, which drastically worsen the heat transfer.
- This degradation of heat transfer not only delays further shell growth, it may even come to a remelting of already solidified inner layers of the strand shell.
- This rocking of the heat flow - cooling and reheating - leads to strand defects such as surface and internal longitudinal cracks at the edges or in edge near areas, as well as shape errors such as rhomboid, recoveries etc.
- a re-melting of the strand shell or larger longitudinal cracks can also lead to breakthroughs.
- Out JP-A-11 151555 is a mold for the continuous casting of billets and billets known.
- the fillets are specially shaped as so-called corner cooling parts.
- the Eckkühlmaschine are formed as circular recesses in the mold wall, which shrink in strand direction and revert to Kokillenausgang back to a Eckarhlkehle. The degree of curvature of the circular recesses increases in the strand running direction towards the mold outlet. This shaping is intended to ensure uninterrupted contact between the corner region of the strand shell and the specially shaped corner cooling parts of the mold.
- the invention is based on the object, a Stahlstranggiesshiel for billets and billets preferably with a substantially rectangular or rechteckähnlichem To create strand cross-section, which achieves a combination of the following sub-goals.
- it is intended to ensure a high casting performance with the smallest possible strand number and thus minimum investment and maintenance costs as well as an improved strand quality on the other hand.
- the improvement of the strand quality is intended in particular to prevent strand defects in the corner regions such as cracks, solidification defects and casting powder inclusions in the strand shell, but also dimensional deviations such as skew, bulges and retractions.
- the continuous casting plant according to the invention is intended to reduce further investment and maintenance costs for supporting frameworks and, in addition, to improve the cost-effectiveness and strand quality in the use of mold stirring devices.
- strand quality is also improved in many ways.
- the strand shell growth over the strand circumference and over predetermined parts of the mold length is made uniform, whereby the strand structure improves and strand defects such as cracks, etc. are prevented in the edge regions .
- geometric strand defects such as Spiesskantmaschine, bulges, etc. can be reduced or eliminated. The enlargement of the corner fillets but also influences the flow conditions in the bathroom mirror area.
- the boundary between a strand support-free and a reduced in their support width and support length support guide in the secondary cooling zone is determined by numerous parameters, in particular the bulging behavior of a cast strand.
- the Hauptparametem format size and total length of the fillets of the two a strand side associated Hohlkehlbogen or the length of a straight section between the two a strand side associated Hohlkehlbogen are also the casting speed, mold cavity length, steel temperature and steel analysis, etc. authoritative.
- the following guide values are proposed for tests to determine the boundary between a support-free secondary cooling zone and a reduced support guide in the secondary cooling zone.
- strand formats smaller than about 150 x 150 mm 2 and a total length of the two fillets of a strand side of about 70% and more of the strand side dimension, as a rule, casting can be done without support.
- a support guide reduced in its support width and support length may be located in the secondary cooling zone.
- the bulging behavior of the strand after leaving the mold can be influenced so that opposite
- the prior art significantly larger strand formats even at higher casting speeds without support or with reduced support guide can be produced.
- Cove fillets in the peripheral line of the cavity section can be made of circular lines, compound circular lines, etc. Additional benefits are achievable if the Hohlkehlbogen not tangentially or punctiform connect to the straight sections of the perimeter. According to a further proposal, a course of curvature can be selected along the Hohlkehlbogens on to a maximum degree of curvature 1 / R on and from this swells again. The maximum degree of curvature 1 / R in the direction of strand running following Hohlkehlbogen can steadily or discontinuously decrease.
- the circumferential lines of the strand cross-section have fillets with curves of curvature that follow a mathematical function and which decrease to a maximum degree of curvature 1 / R and decrease again therefrom, such as mathematical Functions like super circle or superelipse.
- the substantially rectangular cavity section consists of four arcuate lines each enclosing about one fourth of the cross-sectional circumference and the arcuate lines follow a mathematical function.
- the mathematical function x A n + y B n 1 For example, this condition satisfies when an exponent "n" of between 3 and 50, preferably between 4 and 10, is selected.
- a and B are the dimensions of the arc line.
- the circumferential line of the strand cross-section may also be composed of a plurality of arc lines, wherein the groove arch have a curvature which corresponds to a mathematical function, eg
- n
- n follows.
- Sections of the perimeter line disposed between the fillets may have slightly curved arc lines as shown in FIG EP Patent 0 498 296 is described. Seen in strand direction, the degrees of curvature 1 / R of both the fillet arc and the lying between these relatively elongated arc lines can shrink so that at least on a partial length of the mold, the strand shell is slightly deformed when passing over the entire circumference, ie stretched.
- an optimal mold length can be determined. Casting formats between 120 x 120 mm 2 and 160 x 160 mm 2 can be optimally cast at high casting speeds with a mold length of approx. 1000 mm, omitting strand support.
- Fig. 1 flows through a spout nozzle 2 of an intermediate vessel 3 liquid steel in the vertical direction of a mold 4.
- the mold 4 has a rectangular mold cavity for a billet cross-section of, for example, 120 ⁇ 120 mm 2 . 5, a partially solidified strand with a strand shell 6 and a liquid core 7 is shown.
- a height-adjustable electromagnetic stirring device 8 is shown schematically outside the mold 4. It can also be arranged inside the mold 4, for example in the water jacket. The stirring device 8 generates a horizontally rotating rotational movement in the bathroom mirror area and in the liquid swamp.
- a strand support-free first secondary cooling zone which is provided with spray nozzles 9.
- Fig. 2 is equipped with 10 a mold cavity of a mold tube 11 with groove fillet 12, 12 ', 13, 13' in the corner areas.
- the fillet 14, 15 of the fillet arc 12, 12 ', 13, 13' is in this example each about 20% of a side length 16 of the strand cross-section.
- the degree of curvature 1 / R of the inflow side fillet arc 12, 13 is different from the degree of curvature 1 / R of the fillet arc 12 ', 13' at the mold exit.
- the size of the fillet 14, 15 also contributes to the fact that, despite the high casting speed, the partially solidified strand can be passed through the secondary cooling zone immediately after leaving the mold cavity without or with reduced strand support.
- a given format can be reduced by an increase in the fillets 14, 15 targeted a straight section 17 between the fillets 14, 15 so that harmful bulges of the strand shell despite strand support-free secondary cooling zone can be avoided.
- a strand support reduced in its support width can be provided.
- a corner 19 of a mold cavity is shown on an enlarged scale.
- Five chamfers 23-23 "" represent the geometry of the corner formation in the sense of height curves.
- the connection points of the chamfered sheets 23-23 "" to the straight sections 24-24 “" of circumferential lines of the chill cross section can be along the lines R, R 4 or R 1 , R 4 are selected.
- the distances 25-25 "in this example show a continuous taper along the straight sidewalls
- the fillets 23-23”” are defined by a mathematical curve function
- n
- the fillet arc 23 "" is a circular arc in this example.
- Fig. 4 For a clear overview, only three circumferential lines following each other in line running direction are shown with fillet arc 51 - 51 "of a square mold cavity 50.
- the circumferential lines are composed of four fillet curves 51 - 51" which enclose an angle of 90 °.
- Fig. 5 shows a tube mold 62 for continuously casting billet or billet molds with a mold cavity 63.
- the cross-section of the mold cavity 63 is square at the mold exit and between adjacent sidewalls 64-64 '"corner areas 65-65'" are arranged.
- the chamfers 67, 68 are not circular lines but curves, according to the mathematical function
- n
- the upper Kokillenteil are on a partial length of 40% - 60% of the Kokillenine the side walls 64 - 64 '"between the corners 65 - 65'" concave. On this part length, an arc height 66 decreases in line running direction.
- a convex strand shell forming in the mold is smoothed along the upper part length of the mold.
- the arcuate line 70 may be formed from a circle, a composite circle, or a curve based on a mathematical function.
- the straight side walls 71 of the mold are provided with a mold cavity conicity corresponding to the shrinkage of the strand cross-section.
- All mold cavities in the Fig. 1-5 are provided for simplicity with a straight longitudinal axis.
- the invention is also applicable to molds with curved longitudinal axis for Kreisbogenstranggiessanlagen.
- the inventive embodiment of the mold cavity is not limited in the rest on pipe molds. It is also applicable to Ptatten- or block molds, etc.
- Fig. 6 is half of a substantially rectangular strand cross-section 60 with a solidified strand shell 61 and a liquid core 42 shown.
- the circumferential line of the half strand cross-section 60 is composed of two partial curves 45, which enclose an angle of 90 °, whose shape corresponds to the starting cross-section of the mold cavity of the mold.
- each fillet 44 of the part curves 45 is 50%, or both fillets 44 together correspond to 100% of the strand side mass 66.
- Arrows 48 indicate the ferrostatic pressure acting on the strand shell 61.
- the sum of the two fillets 44 of the partial curves 45 are greater than 70% of the strand side mass 66 and a strand support in the secondary cooling zone is thus not required in this example.
- Fig. 7 is opposite Fig. 6 the circumferential line of the half strand cross section of two circular arc 75 with a fillet 76 of 30% and straight sections 77 of 40% of the strand side mass 78 composed.
- the straight portions 77 between the circular arcs 75 in this example are greater than 30% of the strand side mass 78, and a support guide in the form of support rollers 79 reduced in its support width and support length can be arranged.
- a support roller width that corresponds to the length of the straight section or is slightly shorter than this is sufficient.
- Arrows 79 indicate the ferrostatic pressure acting on the strand shell 71.
- FIG. 8 an example of a Vorblockstranges is shown in the form of a Vorprofiles 80 for a double-T-carrier.
- a mold cavity for pre-profiles 80 has corners 86 which are rounded with chamfers 81.
- a strand side measure 82 is composed of two fillet arc 81 with fillets 83 of, for example, 40% and a substantially straight section 84 of, for example, 20%.
- the indicated by arrows 85 ferrostatic pressure on the strand shell 86 produced in double-T-carrier strands according to the prior art, a bulge, if not, as in this example, by special measures shaping by a choice of corresponding chamfers 81 or a corresponding support guide is arranged.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Metal Rolling (AREA)
- Forging (AREA)
Claims (9)
- Installation de coulée continue d'acier pour des formats billettes et blooms, présentant de préférence une section sensiblement rectangulaire, les lignes de contour (51) de la section de cavité de moulage de la lingotière (4, 11, 62) présentant des coins en arc concave (12, 13, 23, 51, 67, 68) et un dispositif de refroidissement secondaire avec des buses d'aspersion (9) étant contigu à la lingotière (4, 11, 62), l'acier liquide étant coulé sensiblement à la verticale dans la cavité de moulage (10, 50, 63), caractérisée en ce que les arrondis (14, 15, 44, 76) des arcs concaves (12, 13, 23, 51, 67, 68) représentent 20 % ou plus de la longueur de côté (16) de la section de barre, en ce que les arrondis (14, 15, 44, 76) présentent un tracé de courbe croissant jusqu'à un degré de courbure maximal 1/R, puis décroissant à partir de celui-ci, en ce que le degré de courbure maximal 1/R de l'arc concave (23, 51, 67, 68) diminue de manière continue ou discontinue dans le sens de progression de la barre le long de la cavité de lingotière, de telle manière que la croûte de barre (61, 71) se déforme dans la zone des arcs concaves (12, 13, 23, 51, 67, 68), et qu'une zone de refroidissement secondaire exempte de guidage d'appui soit contiguë à la lingotière (4, 11, 62) pour des longueurs de côté (16) de la section de barre allant jusqu'à 150 mm environ, et que, pour des longueurs de côté (16) de la section de barre supérieures à 150 mm environ, la zone de refroidissement secondaire contiguë à la lingotière (4, 11, 62) soit pourvue d'un guidage d'appui, dont la largeur d'appui est limitée aux longueurs de rouleaux correspondant sensiblement à des segments droits (17, 84) entre les arcs concaves (14, 15, 83) et dont la longueur d'appui est réduite dans la zone de refroidissement secondaire, dans le sens de progression de la barre.
- Installation de coulée continue d'acier selon la revendication 1, caractérisée en ce que la zone de refroidissement secondaire exempte de guidage d'appui est disposée pour une longueur totale des arrondis (14, 15, 64, 76) des deux arcs concaves (12, 13, 23, 51, 67, 68) associés à un côté de barre de quelque 70 % ou plus de la cote du côté de barre (16).
- Installation de coulée continue d'acier selon la revendication 1, caractérisée en ce que le guidage d'appui de largeur d'appui et de longueur d'appui réduites dans le sens de progression de la barre est disposé dans la zone de refroidissement secondaire pour une longueur du segment droit (17) supérieure à 30 % environ de la cote du côté de barre entre les deux arcs concaves (12, 13, 23, 51, 67, 68) associés à un côté de barre.
- Installation de coulée continue d'acier selon l'une des revendications 1 à 3, caractérisée en ce que la section de barre sensiblement rectangulaire est formée par quatre arcs concaves (51) s'étendant chacun sur un quart environ du contour de section, et en ce que les arcs concaves (51) satisfont à la fonction mathématique:
- Installation de coulée continue d'acier selon l'une des revendications 1 à 3, caractérisée en ce que les arcs concaves (67) présentent des tracés de courbe satisfaisant à la fonction mathématique |X|n + |Y|n = |R|n, et en ce que les segments de la ligne de contour disposés entre les arcs concaves (67) présentent des lignes d'arc (70) faiblement incurvées, dont le degré de courbure diminue au moins sur une longueur partielle de la lingotière dans le sens de progression de la barre, déformant ainsi la croûte de barre lors de son passage par la longueur partielle.
- Installation de coulée continue d'acier selon l'une des revendications 1 à 3, caractérisée en ce que la cavité de moulage présente vers la sortie de lingotière une conicité de coulée suivant la formule mathématique |X|n + |Y|n = |R - t|n, t étant une mesure de conicité.
- Installation de coulée continue d'acier selon l'une des revendications 1 à 6, caractérisée en ce que la cavité de lingotière (10, 50, 63) présente une longueur de quelque 1000 mm.
- Installation de coulée continue d'acier selon l'une des revendications 1 à 7, caractérisée en ce que des buses d'aspersion (9) sont disposées, directement contiguës à la lingotière (4), lesquelles refroidissent uniformément la barre.
- Installation de coulée continue d'acier selon l'une des revendications 1 à 8, caractérisée en ce que la lingotière (4) est munie de dispositifs agitateurs électromagnétiques (8), en particulier de nature à un entraîner un mouvement de rotation horizontale pour le bain d'acier dans la zone de la lingotière.
Priority Applications (25)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI200430773T SI1676658T1 (sl) | 2004-12-29 | 2004-12-29 | Naprava za kontinuirano litje jekla za formate gredic in bloomov |
EP04030926A EP1676658B1 (fr) | 2004-12-29 | 2004-12-29 | Installation de coulée continue de billette et de bloom en acier |
ES04030926T ES2304578T3 (es) | 2004-12-29 | 2004-12-29 | Instalacion de colada continua de acero para formatos de palanquillas y desbastes. |
PL04030926T PL1676658T3 (pl) | 2004-12-29 | 2004-12-29 | Urządzenie do ciągłego odlewania stali dla formatów wstępniaków i wlewków kwadratowych |
PT04030926T PT1676658E (pt) | 2004-12-29 | 2004-12-29 | Instalação de vazamento contínuo de aço para formatos de barras e blocos |
DE502004006866T DE502004006866D1 (de) | 2004-12-29 | 2004-12-29 | Stahlstranggiessanlage für Knüppel- und Vorblockformate |
AT04030926T ATE392280T1 (de) | 2004-12-29 | 2004-12-29 | Stahlstranggiessanlage für knüppel- und vorblockformate |
RU2007128951/02A RU2388572C2 (ru) | 2004-12-29 | 2005-12-07 | Установка непрерывной разливки для сортовых или блюмовых заготовок |
PCT/EP2005/013078 WO2006072311A1 (fr) | 2004-12-29 | 2005-12-07 | Installation de coulee continue d'acier pour formats de billette et de bloom |
CN2005800453833A CN101137454B (zh) | 2004-12-29 | 2005-12-07 | 用于钢坯规格和初轧坯规格的连续铸钢设备 |
UAA200708664A UA90879C2 (ru) | 2004-12-29 | 2005-12-07 | установка непрерывной разливки для сортовых или блюмовых стальных заготовок |
CA2588521A CA2588521C (fr) | 2004-12-29 | 2005-12-07 | Installation de coulee continue d'acier pour formats de billette et de bloom |
BRPI0519311-7A BRPI0519311A2 (pt) | 2004-12-29 | 2005-12-07 | instalaÇço de lingotamento contÍnuo de aÇo para formatos de tarugo e bloco |
JP2007548712A JP4890469B2 (ja) | 2004-12-29 | 2005-12-07 | ビレットおよびブルーム形状用連続鋳鋼装置 |
MX2007006949A MX2007006949A (es) | 2004-12-29 | 2005-12-07 | Instalacion de colada continua de acero para formatos de palanquillas y desbastes. |
KR1020077013312A KR101247154B1 (ko) | 2004-12-29 | 2005-12-07 | 빌릿 및 블룸 포맷용 강 연속 주조 장치 |
MYPI20055950A MY138306A (en) | 2004-12-29 | 2005-12-16 | Continuous steel casting plant for billets and blooms |
TW094146255A TWI290071B (en) | 2004-12-29 | 2005-12-23 | Steel continuous casting plant for billet and cogged ingot formats |
HR20070220A HRP20070220B1 (en) | 2004-12-29 | 2007-05-15 | Continuous steel casting installatin for billet and bloom formats |
NO20072606A NO20072606L (no) | 2004-12-29 | 2007-05-24 | Kontinuerlig stalstopingsinstallasjon for emne- og blokkformater |
TNP2007000205A TNSN07205A1 (en) | 2004-12-29 | 2007-05-24 | Continuous steel casting installation for billet and bloom formats |
ZA200704241A ZA200704241B (en) | 2004-12-29 | 2007-05-24 | Continuous steel casting installation for billet and bloom formats |
EGNA2007000663 EG24634A (en) | 2004-12-29 | 2007-06-25 | Continuous steel casting installation for billet and bloom formats |
US11/771,784 US7631684B2 (en) | 2004-12-29 | 2007-06-29 | Continuous casting plant |
MA30068A MA29146B1 (fr) | 2004-12-29 | 2007-07-12 | Installation de coulee continue d'acier pour des formats billettes et blooms |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04030926A EP1676658B1 (fr) | 2004-12-29 | 2004-12-29 | Installation de coulée continue de billette et de bloom en acier |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1676658A1 EP1676658A1 (fr) | 2006-07-05 |
EP1676658B1 true EP1676658B1 (fr) | 2008-04-16 |
Family
ID=34928023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04030926A Not-in-force EP1676658B1 (fr) | 2004-12-29 | 2004-12-29 | Installation de coulée continue de billette et de bloom en acier |
Country Status (25)
Country | Link |
---|---|
US (1) | US7631684B2 (fr) |
EP (1) | EP1676658B1 (fr) |
JP (1) | JP4890469B2 (fr) |
KR (1) | KR101247154B1 (fr) |
CN (1) | CN101137454B (fr) |
AT (1) | ATE392280T1 (fr) |
BR (1) | BRPI0519311A2 (fr) |
CA (1) | CA2588521C (fr) |
DE (1) | DE502004006866D1 (fr) |
EG (1) | EG24634A (fr) |
ES (1) | ES2304578T3 (fr) |
HR (1) | HRP20070220B1 (fr) |
MA (1) | MA29146B1 (fr) |
MX (1) | MX2007006949A (fr) |
MY (1) | MY138306A (fr) |
NO (1) | NO20072606L (fr) |
PL (1) | PL1676658T3 (fr) |
PT (1) | PT1676658E (fr) |
RU (1) | RU2388572C2 (fr) |
SI (1) | SI1676658T1 (fr) |
TN (1) | TNSN07205A1 (fr) |
TW (1) | TWI290071B (fr) |
UA (1) | UA90879C2 (fr) |
WO (1) | WO2006072311A1 (fr) |
ZA (1) | ZA200704241B (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2025432B2 (fr) * | 2007-07-27 | 2017-08-30 | Concast Ag | Procédé destiné à la production de produits allongés en acier par coulage en continu et laminage |
ATE504374T1 (de) * | 2008-05-30 | 2011-04-15 | Abb Ab | STRANGGIEßMASCHINE |
CN102307686B (zh) * | 2009-02-09 | 2013-12-18 | 东邦钛株式会社 | 用电子束熔化炉熔炼的热轧用钛板坯和其熔炼方法以及热轧用钛板坯的轧制方法 |
EP2263815B1 (fr) * | 2009-06-03 | 2015-10-07 | Concast Ag | Lingotière pour coulée continue d'ebauches de poutre |
CN102198494A (zh) * | 2011-05-09 | 2011-09-28 | 上海亚新冶金设备有限公司 | 一种新型矩形铸坯断面 |
JP5732382B2 (ja) * | 2011-12-28 | 2015-06-10 | 三島光産株式会社 | 連続鋳造鋳型 |
KR101467945B1 (ko) * | 2013-07-11 | 2014-12-03 | 전북대학교산학협력단 | 필터 내장형 주사기 |
JP6427945B2 (ja) * | 2014-05-09 | 2018-11-28 | 新日鐵住金株式会社 | ブルームの連続鋳造方法 |
KR101889208B1 (ko) * | 2014-07-24 | 2018-08-16 | 제이에프이 스틸 가부시키가이샤 | 강의 연속 주조 방법 |
EP3246112B1 (fr) * | 2015-01-15 | 2020-07-01 | Nippon Steel Corporation | Procédé de coulée continue pour brame |
CN107653362A (zh) * | 2017-09-19 | 2018-02-02 | 鲁东大学 | 一种400系不锈钢钢锭钢坯皮下裂纹消除的工艺方法 |
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JPS57134243A (en) * | 1981-02-10 | 1982-08-19 | Nippon Steel Corp | Mold for casting beam blank |
DE59200159D1 (de) | 1991-02-06 | 1994-06-23 | Concast Standard Ag | Kokille zum Stranggiessen von Metallen, insbesondere von Stahl. |
JPH05138300A (ja) * | 1991-03-15 | 1993-06-01 | Hitachi Metals Ltd | 水平連続鋳造用モールド |
CN1072118A (zh) * | 1991-11-05 | 1993-05-19 | 冶金工业部钢铁研究总院 | 薄板坯连铸结晶器 |
JP3038308B2 (ja) * | 1995-10-09 | 2000-05-08 | 住友重機械工業株式会社 | 鋼の角形鋳片の連続鋳造方法および連続鋳造設備 |
JPH09262641A (ja) * | 1996-03-28 | 1997-10-07 | Mitsubishi Heavy Ind Ltd | 連続鋳造用モールド |
JPH11151555A (ja) | 1997-11-19 | 1999-06-08 | Shinko Metal Products Kk | 連続鋳造用鋳型 |
ES2183120T3 (es) * | 1997-12-24 | 2003-03-16 | Europa Metalli Spa | Lingotera de fundicion continua. |
JP3383647B2 (ja) | 1998-12-28 | 2003-03-04 | 新日本製鐵株式会社 | 連続鋳造ビレット及びその製造方法 |
JP3320040B2 (ja) * | 1999-09-14 | 2002-09-03 | 住友重機械工業株式会社 | 連続鋳造用鋳型 |
JP2002035896A (ja) * | 2000-07-24 | 2002-02-05 | Chuetsu Metal Works Co Ltd | 連続鋳造用鋳型 |
JP2003170248A (ja) * | 2001-12-06 | 2003-06-17 | Kobe Steel Ltd | 連続鋳造用鋳型および該鋳型を用いた鋼の連続鋳造方法 |
JP3955228B2 (ja) * | 2002-04-17 | 2007-08-08 | 株式会社神戸製鋼所 | 鋼の連続鋳造用湾曲鋳型 |
JP2004276094A (ja) * | 2003-03-18 | 2004-10-07 | Nippon Steel Corp | ビレットの連続鋳造方法 |
ES2302894T3 (es) * | 2003-12-27 | 2008-08-01 | Concast Ag | Procedimiento para la colada continua de barras de palanquillas y desbastes y cavidad de conformacion de una lingotera de colada continua. |
CN1284645C (zh) * | 2004-10-27 | 2006-11-15 | 邯郸钢铁股份有限公司 | 薄板坯连续铸钢机结晶器及设计方法 |
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2004
- 2004-12-29 EP EP04030926A patent/EP1676658B1/fr not_active Not-in-force
- 2004-12-29 SI SI200430773T patent/SI1676658T1/sl unknown
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- 2004-12-29 PT PT04030926T patent/PT1676658E/pt unknown
- 2004-12-29 ES ES04030926T patent/ES2304578T3/es active Active
- 2004-12-29 DE DE502004006866T patent/DE502004006866D1/de active Active
- 2004-12-29 PL PL04030926T patent/PL1676658T3/pl unknown
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2005
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- 2005-12-07 RU RU2007128951/02A patent/RU2388572C2/ru not_active IP Right Cessation
- 2005-12-07 CA CA2588521A patent/CA2588521C/fr not_active Expired - Fee Related
- 2005-12-07 JP JP2007548712A patent/JP4890469B2/ja not_active Expired - Fee Related
- 2005-12-07 MX MX2007006949A patent/MX2007006949A/es active IP Right Grant
- 2005-12-07 WO PCT/EP2005/013078 patent/WO2006072311A1/fr not_active Application Discontinuation
- 2005-12-07 BR BRPI0519311-7A patent/BRPI0519311A2/pt active Search and Examination
- 2005-12-07 CN CN2005800453833A patent/CN101137454B/zh not_active Expired - Fee Related
- 2005-12-07 UA UAA200708664A patent/UA90879C2/ru unknown
- 2005-12-16 MY MYPI20055950A patent/MY138306A/en unknown
- 2005-12-23 TW TW094146255A patent/TWI290071B/zh not_active IP Right Cessation
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- 2007-05-15 HR HR20070220A patent/HRP20070220B1/xx not_active IP Right Cessation
- 2007-05-24 ZA ZA200704241A patent/ZA200704241B/xx unknown
- 2007-05-24 NO NO20072606A patent/NO20072606L/no not_active Application Discontinuation
- 2007-05-24 TN TNP2007000205A patent/TNSN07205A1/fr unknown
- 2007-06-25 EG EGNA2007000663 patent/EG24634A/xx active
- 2007-06-29 US US11/771,784 patent/US7631684B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
CA2588521C (fr) | 2011-03-15 |
US7631684B2 (en) | 2009-12-15 |
MX2007006949A (es) | 2007-08-02 |
MY138306A (en) | 2009-05-29 |
UA90879C2 (ru) | 2010-06-10 |
NO20072606L (no) | 2007-07-19 |
ATE392280T1 (de) | 2008-05-15 |
JP2008525199A (ja) | 2008-07-17 |
WO2006072311A1 (fr) | 2006-07-13 |
HRP20070220B1 (en) | 2011-12-31 |
HRP20070220A2 (en) | 2007-07-31 |
CN101137454B (zh) | 2010-05-26 |
SI1676658T1 (sl) | 2008-10-31 |
BRPI0519311A2 (pt) | 2009-01-06 |
JP4890469B2 (ja) | 2012-03-07 |
PT1676658E (pt) | 2008-07-28 |
RU2007128951A (ru) | 2009-02-10 |
CN101137454A (zh) | 2008-03-05 |
EG24634A (en) | 2010-03-10 |
TWI290071B (en) | 2007-11-21 |
DE502004006866D1 (de) | 2008-05-29 |
EP1676658A1 (fr) | 2006-07-05 |
CA2588521A1 (fr) | 2006-07-13 |
TNSN07205A1 (en) | 2008-11-21 |
TW200631694A (en) | 2006-09-16 |
KR20070086125A (ko) | 2007-08-27 |
ZA200704241B (en) | 2008-09-25 |
KR101247154B1 (ko) | 2013-03-29 |
PL1676658T3 (pl) | 2008-09-30 |
US20080230202A1 (en) | 2008-09-25 |
RU2388572C2 (ru) | 2010-05-10 |
ES2304578T3 (es) | 2008-10-16 |
MA29146B1 (fr) | 2008-01-02 |
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