WO2013094972A1 - 연주 설비 - Google Patents
연주 설비 Download PDFInfo
- Publication number
- WO2013094972A1 WO2013094972A1 PCT/KR2012/011091 KR2012011091W WO2013094972A1 WO 2013094972 A1 WO2013094972 A1 WO 2013094972A1 KR 2012011091 W KR2012011091 W KR 2012011091W WO 2013094972 A1 WO2013094972 A1 WO 2013094972A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- frame
- fixed
- loosed
- rolls
- inner frame
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
-
- 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
- B22D11/12—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 present invention relates to a continuous casting plant comprising segments for guiding the transfer of molds and strands. Specifically, the number and spacing of the rolls of the outer frame and the rolls of the inner frame are different to provide casts of improved quality. It is about possible playing equipment.
- a continuous casting process is to continuously inject molten steel into a mold of a constant shape, and continuously draw the reacted cast pieces in the mold to the lower side of the mold.
- FIG. 1 A schematic configuration and a configuration of a segment of a general continuous casting facility (performance facility) in which this playing process is performed are shown in FIG. 1.
- Typical playing equipment is a tundish 20, a tundish 20 for supplying molten steel through a ladle 10 containing molten steel refined in a steelmaking process and an injection nozzle connected to the ladle 10 and temporarily storing the molten steel.
- the mold 30 receives the molten steel temporarily stored in the mold 30, and a plurality of segments 50 are arranged at the lower portion of the mold to guide the cooling of the unsolidified slab and guide the cooling of the strand.
- Strand 40 is a plurality of segments 50 are arranged at the lower portion of the mold to guide the cooling of the unsolidified slab and guide the cooling of the strand.
- the segments 50 are arranged so that the plurality of rolls 52 and 54 are opposed to each other, and the upper and lower frames 51 and lower frames 53 and the upper frames 51 and lower frames 53 spaced apart from each other up and down.
- a plurality of tie rods (not shown) and tie rods connected by the piston to adjust the separation distance between the upper frame 51 and the lower frame 53, a plurality of hydraulic pressure to apply a pressing force to the slab (1) Cylinder (not shown).
- the level of the molten metal in the mold 30 is kept constant during casting in the casting equipment.
- the casting speed increases, the level fluctuations. This deepening can no longer increase the casting speed, and the hot slab surface swells periodically between the rolls and the neighboring rolls due to the pressure, thereby causing the hot water hunting.
- the present invention is to solve the problems of the prior art as described above, it is possible to reduce the hot water hunting due to the swelling of the cast slab periodically between the roll and the neighboring roll due to the pressure when casting the hot slab at high speed It is to provide a continuous casting facility.
- an object of the present invention is to provide a playing equipment capable of providing a cast having improved quality by reducing hot water hunting caused by swelling of the cast surface periodically.
- the present invention provides the following segments and playing equipment to achieve the above object.
- the invention provides a mold for providing a cast; And a plurality of segments for guiding and cooling the strand transfer of the cast steel, wherein the segments include an inner frame, an outer frame spaced apart from the inner frame, and a plurality of rolls mounted to the inner frame and the outer frame, respectively.
- the number of rolls (N fixed ) provided in the outer frame and the number (N loosed ) of the rolls provided in the inner frame provides a continuous casting facility different.
- the average roll pitch (P avg, fixed ) of the outer frame and the average roll pitch (P avg, loosed ) of the inner frame may be different from each other.
- the length of the outer frame side segment and the length of the inner frame side segment may be the same so as to be disposed on the horizontal portion or the vertical portion of the strand.
- the length of the outer frame side segment is longer than the inner frame side segment length so as to be disposed in the bow zone of the strand, and the average roll pitch (P avg, fixed ) of the outer frame and the inner frame
- P avg, loosed of may satisfy the following relationship.
- the number of rolls provided in the inner frame is larger than the number of rolls provided in the outer frame.
- the segment of the present invention includes a pinch roll for drawing the cast pieces passing through the outer frame and the inner frame, respectively, the center of the pinch roll of the outer frame and the center of the pinch roll of the inner frame may be disposed to be offset. .
- the outer frame is a fixed frame
- the inner frame provides a continuous casting installation, characterized in that the movable frame.
- the present invention can provide a segment that can reduce the hot water hunting caused by swelling periodically between the roll and the neighboring roll due to the pressure even if the casting of the hot cast at a high speed through the above configuration. .
- the present invention provides a playing equipment that provides improved cast steel by reducing hot water hunting due to swelling of the cast steel surface periodically.
- FIG. 1 is a schematic diagram of a conventional playing facility.
- FIG. 2 is a view showing a state in which the slab swells in the segment of the conventional playing equipment.
- FIG 3 is a schematic view of a segment of the horizontal portion of the present invention.
- FIG. 4 is a schematic view of a segment of a curved portion of the present invention.
- FIG. 5 is a schematic diagram of a playing facility to which the segment of the present invention is applied.
- cooling line 141 cooling line 141: curved portion
- FIG 3 shows a schematic of the segment used in the horizontal or vertical portion of the strand as a segment of the invention.
- Segment 150 of the present invention is disposed on top and movable by play, a flowed frame 151 as an inner frame facing the radial center of the strand, and disposed below and fixed radially outward of the strand.
- a fixed frame 154 as a facing outer frame, a plurality of rolls 152, 154 disposed on the flow frame 151 and the fixed frame 154, the plurality of rolls 152, 154 Includes a pair of pinch rolls 153, 156.
- the rolls 152 are arranged in a plurality (N loosed ) over the entire segment length (l seg, loosed ) at regular intervals.
- the pitch (P loosed ) between the roll 152 and the roll 152 is uniformly arranged
- the distance (l loosed ) between the roll 152 and the roll 152 is a pinch roll ( 153 are arranged almost identically, although with slight differences in diameter compared to normal roll 152.
- the rolls 155 are arranged in plurality (N fixed ) over the entire segment length l seg, fixed at regular intervals.
- N fixed the pitch P fixed between the roll 155 and the roll 155
- the distance l fixed between the roll 155 and the roll 155 is a pinch roll ( 156 is arranged almost identically, although there is a slight difference in diameter compared to normal roll 155.
- the number of rolls 155 of the fixed frame 154 is greater than the number of rolls 152 of the flow frame 151. Accordingly, the center of the roll 152 of the flow frame 151 is positioned between the center of one roll 155 of the fixed frame 154 and the center of the neighboring roll 155.
- the segment lengths (l seg, loosed, l seg, fixed ) of the flow direction of the flow frame 151 and the fixed frame 154 are equal to each other so as to be disposed in the horizontal portion or the vertical portion. It is composed.
- the average pitch Pavg is obtained by dividing the total segment length lseg by the number N of rolls as in the following equation (1).
- the average pitch P avg, loosed of the floating frame 151 is different from the roll 152, 155 because the average pitch P avg, fixed of the fixed frame 154 is different. They will have different spacing. That is, the distance at which the slab in contact with the rolls 152 and 155 of the flow frame and the fixed frame 151 and 154 meets with the next rolls 152 and 155 is changed every time, and accordingly, the cast is rolled as in the prior art. Tang hunting caused by continuous repeated contact with can be prevented.
- high-speed casting means to pull out 80-t slats at a speed of 5 m / min or more, and means 400 mm ⁇ m / min or more.
- FIG 4 shows a segment 160 applied to the bow zone of the strand 140 in the present invention.
- Segment 160 of FIG. 4 includes a flow frame 161 which is arranged in a curved center direction and movable by play, and a fixed frame 164 disposed and fixed in the opposite direction, and fixed with the flow frame 161.
- a plurality of rolls 162 and 164 are disposed in the frame 164, and the plurality of rolls 162 and 164 include a pair of pinch rolls 163 and 166.
- the rolls 162 are arranged in a plurality (N loosed ) over the entire segment length l seg, loosed at regular intervals. It is.
- the pitch P loosed between the roll 152 and the roll 152 is uniformly arranged, and the distance l loosed between the roll 152 and the roll 152 is the pinch roll 163.
- the diameter is larger than that of the general roll 162, so that there is a slight difference, they are arranged almost identically.
- the rolls 165 are arranged in plurality (N fixed ) over the entire segment length (l seg, fixed ) at regular intervals.
- the pitch P fixed between the roll 165 and the roll 165 is uniformly arranged, and the distance l fixed between the roll 165 and the roll 165 is the pinch roll 166.
- the diameter is larger than that of the general roll 165, so that there is a slight difference, they are arranged almost identically.
- segment length l seg, loosed of the flow frame 161 arranged in the center of the curved portion is different from the length of the segment length l seg, fixed of the fixed frame 164 arranged in the opposite direction.
- the numbers N loosed and N fixed of the fixed frames 164 and the rolls 162 and 165 of the floating frame 161 are different, and accordingly, the average The pitch also satisfies the following equation (2).
- the performance facility 100 of the present invention is a tundish 120 for supplying molten steel through the ladle 110 containing the molten steel refined in the steelmaking process and the injection nozzle connected to the ladle 110, and temporarily storing the molten steel,
- the mold 130 receives the temporarily stored molten steel in the tundish 120 and is provided at the bottom of the mold and a plurality of segments 150 and 160 to perform a series of molding operations while cooling the unsolidified cast.
- the number N loosed of the rolls 152, 162 of the flow frames 151, 161 in the strand 140 of the performance facility 100 of the present invention is determined by the rolls 155, 165 of the fixed frames 154, 164.
- the flow-frame (151, 161) on both the curved section 141 and the horizontal portion 142 in the (N loosed) a fixed frame (154, a roll of the roll (155, 165) number (N fixed) number (N loosed> N fixed) segment (150, 160) for, in the curved section 141 is the flow-frame (151, 161 but use) than in the 164
- the number N loosed of 152 and 162 includes more than the number N fixed and the number of rolls 155 and 165 of fixed frames 154 and 164 (N loosed > N fixed ) segments 150 and 160,
- the number N loosed of the rolls 152 and 162 of the flow frames 151 and 161 is smaller than the number N fixed of the rolls 155 and 165 of the fixed frames 154 and 164 ( It is also possible to include N loosed ⁇ N fixed ) segments 150, 160.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
Description
Claims (7)
- 주편을 제공하는 몰드; 및주편의 스트랜드 이송을 안내하고 냉각시키는 복수의 세그먼트;를 포함하며,상기 세그먼트는 내측 프레임, 상기 내측 프레임에 이격하여 위치하는 외측 프레임 및 상기 내측 프레임 및 외측 프레임에 각각에 롤 지지부를 통하여 장착되는 복수 개의 롤을 포함하며,통과하는 주편의 형상으로 인한 몰드에서의 탕면 헌팅을 저감토록 상기 외측 프레임에 구비된 롤의 수(Nfixed)와 상기 내측 프레임에 구비된 롤의 수(Nloosed)가 상이한 연속 주조 설비.
- 제 1 항에 있어서,상기 외측 프레임의 평균 롤 피치(Pavg,fixed)와 상기 내측 프레임의 평균 롤 피치(Pavg,loosed)가 서로 상이한 것을 특징으로 하는 연속 주조 설비.
- 제 2 항에 있어서,상기 스트랜드의 수평부 혹은 수직부에 배치되도록 내측 프레임 측 세그먼트의 길이와, 외측 프레임 측 세그먼트 길이가 동일한 것을 특징으로 하는 연속 주조 설비.
- 제 4 항에 있어서,상기 외측 프레임에 구비된 롤의 수보다 상기 내측 프레임에 구비된 롤의 수가 더 많은 것(Nfixed<Nloosed)을 특징으로 하는 연속 주조 설비.
- 제 1 항에 있어서,상기 내측 프레임 및 외측 프레임은 통과하는 주편을 인발하는 핀치롤을 각각 포함하며, 상기 외측 프레임의 핀치롤의 중심과 상기 내측 프레임의 핀치롤의 중심은 어긋나게 배치되는 것을 특징으로 하는 연속 주조 설비.
- 제 1 항에 있어서,상기 외측 프레임은 고정 프레임이며, 상기 내측 프레임은 이동가능한 유동 프레임인 것을 특징으로 하는 연속 주조 설비.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2014129463/02A RU2586378C2 (ru) | 2011-12-19 | 2012-12-18 | Машина непрерывного литья |
CN201280062618.XA CN103998160B (zh) | 2011-12-19 | 2012-12-18 | 连铸设备 |
EP12860513.6A EP2796224B1 (en) | 2011-12-19 | 2012-12-18 | Continuous casting machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110137468A KR101360552B1 (ko) | 2011-12-19 | 2011-12-19 | 연주 설비 |
KR10-2011-0137468 | 2011-12-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013094972A1 true WO2013094972A1 (ko) | 2013-06-27 |
Family
ID=48668794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2012/011091 WO2013094972A1 (ko) | 2011-12-19 | 2012-12-18 | 연주 설비 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2796224B1 (ko) |
KR (1) | KR101360552B1 (ko) |
CN (1) | CN103998160B (ko) |
RU (1) | RU2586378C2 (ko) |
WO (1) | WO2013094972A1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT519390B1 (de) | 2016-12-13 | 2020-09-15 | Primetals Technologies Austria GmbH | Verfahren und Vorrichtung zum Regeln einer Stranggießanlage |
KR102158988B1 (ko) | 2018-12-27 | 2020-09-23 | 주식회사 에이프로젠케이아이씨 | 연주설비용 특수강 합금 및 그로 이루어진 연주설비용 롤 |
Citations (6)
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KR970005457A (ko) * | 1995-07-20 | 1997-02-19 | 김만재 | 턴디쉬 노즐의 제어방법 및 그 장치 |
JP2000288696A (ja) * | 1999-04-09 | 2000-10-17 | Sumitomo Metal Ind Ltd | 薄鋳片連続鋳造の鋳造終了方法 |
JP2005199302A (ja) * | 2004-01-15 | 2005-07-28 | Jfe Steel Kk | 連続鋳造方法 |
WO2007039483A1 (en) * | 2005-09-22 | 2007-04-12 | Danieli & C. Officine Meccaniche S.P.A. | Metal strip production process and plant |
KR20100087479A (ko) * | 2009-01-28 | 2010-08-05 | 현대제철 주식회사 | 연속 주조설비의 편석 방지방법 및 그 장치 |
US8011417B2 (en) * | 2006-07-07 | 2011-09-06 | Rotelec | Process for the continuous casting of flat metal products with electromagnetic stirring and implementation installation |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3008821B2 (ja) * | 1994-07-29 | 2000-02-14 | 住友金属工業株式会社 | 薄鋳片の連続鋳造方法および装置 |
JPH11320059A (ja) * | 1998-05-06 | 1999-11-24 | Sumitomo Metal Ind Ltd | 連続鋳造装置 |
KR100499623B1 (ko) * | 1998-12-24 | 2005-09-26 | 주식회사 하이닉스반도체 | 내부 명령신호 발생장치 및 그 방법 |
AT414221B (de) * | 2004-06-09 | 2006-10-15 | Voest Alpine Ind Anlagen | Stranggiessanlage und verfahren zum wahlweisen giessen eines breiten metallstranges oder maximal zweier demgegenüber schmälerer metallstränge |
AT503526B1 (de) * | 2006-04-25 | 2008-07-15 | Voest Alpine Ind Anlagen | Spritzdüsen-verstelleinrichtung |
JP4948375B2 (ja) * | 2007-11-30 | 2012-06-06 | 新日鉄エンジニアリング株式会社 | 連続鋳造用ガイドロールセグメント |
CN201855931U (zh) * | 2010-11-18 | 2011-06-08 | 马鞍山钢铁股份有限公司 | 异型坯连铸二冷区冷却装置 |
-
2011
- 2011-12-19 KR KR1020110137468A patent/KR101360552B1/ko active IP Right Grant
-
2012
- 2012-12-18 EP EP12860513.6A patent/EP2796224B1/en active Active
- 2012-12-18 RU RU2014129463/02A patent/RU2586378C2/ru active
- 2012-12-18 WO PCT/KR2012/011091 patent/WO2013094972A1/ko active Application Filing
- 2012-12-18 CN CN201280062618.XA patent/CN103998160B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970005457A (ko) * | 1995-07-20 | 1997-02-19 | 김만재 | 턴디쉬 노즐의 제어방법 및 그 장치 |
JP2000288696A (ja) * | 1999-04-09 | 2000-10-17 | Sumitomo Metal Ind Ltd | 薄鋳片連続鋳造の鋳造終了方法 |
JP2005199302A (ja) * | 2004-01-15 | 2005-07-28 | Jfe Steel Kk | 連続鋳造方法 |
WO2007039483A1 (en) * | 2005-09-22 | 2007-04-12 | Danieli & C. Officine Meccaniche S.P.A. | Metal strip production process and plant |
US8011417B2 (en) * | 2006-07-07 | 2011-09-06 | Rotelec | Process for the continuous casting of flat metal products with electromagnetic stirring and implementation installation |
KR20100087479A (ko) * | 2009-01-28 | 2010-08-05 | 현대제철 주식회사 | 연속 주조설비의 편석 방지방법 및 그 장치 |
Also Published As
Publication number | Publication date |
---|---|
RU2586378C2 (ru) | 2016-06-10 |
CN103998160B (zh) | 2016-01-20 |
EP2796224A4 (en) | 2015-12-30 |
EP2796224B1 (en) | 2017-08-09 |
CN103998160A (zh) | 2014-08-20 |
KR101360552B1 (ko) | 2014-02-11 |
EP2796224A1 (en) | 2014-10-29 |
KR20130070237A (ko) | 2013-06-27 |
RU2014129463A (ru) | 2016-02-20 |
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