EP4186605B1 - Chemin de rouleau de refroidissement pour améliorer l'uniformité de refroidissement d'une bobine de filage et son utilisation - Google Patents

Chemin de rouleau de refroidissement pour améliorer l'uniformité de refroidissement d'une bobine de filage et son utilisation Download PDF

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Publication number
EP4186605B1
EP4186605B1 EP21938790.9A EP21938790A EP4186605B1 EP 4186605 B1 EP4186605 B1 EP 4186605B1 EP 21938790 A EP21938790 A EP 21938790A EP 4186605 B1 EP4186605 B1 EP 4186605B1
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EP
European Patent Office
Prior art keywords
roller way
coil
way body
cooling
fixed seat
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.)
Active
Application number
EP21938790.9A
Other languages
German (de)
English (en)
Other versions
EP4186605A1 (fr
EP4186605A4 (fr
Inventor
Yong Lin KANG
Li Yin Wang
Ying Wang
Wen Hua WAN
Jin Zhong ZUO
Ke Da YANG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zenith Steel Group Co Ltd
Changzhou Zenith Special Steel Co Ltd
Original Assignee
Zenith Steel Group Co Ltd
Changzhou Zenith Special Steel Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zenith Steel Group Co Ltd, Changzhou Zenith Special Steel Co Ltd filed Critical Zenith Steel Group Co Ltd
Publication of EP4186605A1 publication Critical patent/EP4186605A1/fr
Publication of EP4186605A4 publication Critical patent/EP4186605A4/fr
Application granted granted Critical
Publication of EP4186605B1 publication Critical patent/EP4186605B1/fr
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/573—Continuous furnaces for strip or wire with cooling
    • C21D9/5735—Details
    • C21D9/5737—Rolls; Drums; Roll arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • B21C47/08—Winding-up or coiling without making use of a reel or drum, the first turn being formed by a stationary guide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • B21C47/10—Winding-up or coiling by means of a moving guide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • B21C47/10—Winding-up or coiling by means of a moving guide
    • B21C47/14—Winding-up or coiling by means of a moving guide by means of a rotating guide, e.g. laying the material around a stationary reel or drum
    • B21C47/146—Controlling or influencing the laying pattern of the coils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/26—Special arrangements with regard to simultaneous or subsequent treatment of the material
    • B21C47/262—Treatment of a wire, while in the form of overlapping non-concentric rings
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/573—Continuous furnaces for strip or wire with cooling
    • C21D9/5732—Continuous furnaces for strip or wire with cooling of wires; of rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B2045/0212—Cooling devices, e.g. using gaseous coolants using gaseous coolants

Definitions

  • the present disclosure relates to the technical field of wire production equipment, in particular to a cooling roller way for improving the cooling uniformity of a spinning coil as specified in any of claims 1-3 and use of the cooling roller way as specified by claim 4.
  • the coils are distributed in a continuous circle on the air-cooling roller way body, so that the stacking thickness of overlapping points is large at both sides and the stacking thickness is small in the middle, the stacking thickness of the whole uncoiled circle is non-uniform, and the temperature at the position of the edge overlapping points fluctuates greatly, which will not only lead to non-uniform heating of the overlapping points, but also affect the performance of the finished wire products in the same coil.
  • PTL1 ( BE 789 039 A ) describes an apparatus and a method of cooling wire in a wire-forming machine comprises blowing air diagonally from above and below and from the sides laterally to cool the wire.
  • PTL2 JP H06 19907 U 15 describes a uniform quenching apparatus and method for a hot rolled wire rod.
  • PTL3 ( EP 0 384 010 A1 ) describes a method for transporting hot-rolled wire rod and an apparatus therefore.
  • the technical problem to be solved by the present disclosure is as follows.
  • the present disclosure provides a cooling roller way for improving the cooling uniformity of a spinning coil as specified in any of claims 1-3and use of the cooling roller way as specified by claim 4in order to overcome the problems in the prior art that the coils are distributed in a continuous circle on the roller way body, so that the stacking thickness of overlapping points is large at both sides and the stacking thickness is small in the middle, the overlapping points are non-uniformly heated, and the performance of the finished coils is degraded.
  • a cooling roller way for improving the cooling uniformity of a spinning coil comprises a roller way body and several guiding mechanisms installed at both sides of the roller way body, wherein the guiding mechanisms at both sides of the roller way body are staggered, the roller way body is used to transport a coil, and the guiding mechanisms are used to change the running trajectory of the coil, so that overlapping points of the coil are uniformly distributed.
  • the design of the guiding mechanisms on the roller way body can change the running trajectory of the wire, stagger the overlapping points with a larger stacking thickness in order, reduce the cooling non-uniformity, improve the organizational structure of the wire, make the temperature fluctuation of the overlapping points on the edge of the air-cooling roller way body achieve an ideal effect, reduce the performance of the coils in the same circle, and realize the homogenization of the coiling performance of the wire.
  • the guiding mechanism comprises a fixed seat and a guide wheel
  • the guide wheel is adjustable in position and is installed on the fixed seat
  • the position adjustment direction of the guide wheel is staggered with the transmission direction of the roller way body.
  • the fixed seat is adjustable in position and is installed on the roller way body, and the adjustment direction of the fixed seat is parallel to the transmission direction of the roller way body.
  • a bracket is fixedly connected to the fixed seat, the bracket is erected on the roller way body, a base is fixedly connected to the bracket, and the base is located outside the roller way body.
  • the base plays the role of increasing the counterweight, thus improving the stability of the guiding mechanism after being erected.
  • the fixed seat is provided with a notch for the guide wheel to move
  • the top surface of the fixed seat is provided with a supporting arm and two positioning plates
  • the supporting arm and the notch are both located between the two positioning plates
  • the positioning plate is provided with an adjusting hole extending to the center line of the roller way body
  • a fixed screw is provided in the adjusting hole
  • a rod part of the fixed screw is in threaded connection with the supporting arm
  • the bottom surface of the supporting arm is provided with an axle
  • the guide wheel and the axle are rotatably connected and axially fixed.
  • guide plates are provided at both sides of the fixed seat.
  • the guide plates additionally provided at both sides can effectively prevent the head and tail of the wire from entering the gap between the guide wheel and the inner side of the roller way body and avoid production accidents such as inverted insertion and a large number of crawling.
  • the use comprises the following steps: according to the rolling specifications of a coil, adjusting the distance between two adjacent guide wheels at the same side of the roller way body or/and adjusting the length of the guide wheels extending to the center of the roller way body, so that the guide wheel is in contact with the coil so as to change the running trajectory of the coil, and finally the running trajectory is S-shaped, so that the overlapping points of the coil are staggered in order.
  • the present disclosure has the following beneficial effects.
  • the present disclosure provides a cooling roller way for improving the cooling uniformity of a spinning coil as specified in any of claims 1-3 and use of the cooling roller wayas specified by claim 4.
  • the design of the guiding mechanisms on the roller way body can change the running trajectory of the wire, stagger the overlapping points with a larger stacking thickness in order, reduce the cooling non-uniformity, and improve the organizational structure of the wire.
  • the temperature fluctuation of the overlapping points on the edge of the air-cooling roller way body achieves an ideal effect, the performance of the coils in the same circle is reduced, and the homogenization of the coiling performance of the wire is realized.
  • roller way body 1, roller way body, 2, guiding mechanism, 21, base, 22, bracket, 23, fixed seat, 231, notch, 24, supporting arm, 25, axle, 26, guide wheel, 27, positioning plate, 271, adjusting hole, 28, fixed screw, 29, guide plate, 3, coil, 31, overlapping point, 32, non-overlapping point
  • FIG. 1 is a structural schematic diagram of the present disclosure.
  • a cooling roller way for improving the cooling uniformity of a spinning coil comprises a roller way body 1 and several guiding mechanisms 2 installed at both sides of the roller way body 1.
  • the guiding mechanisms 2 at both sides of the roller way body 1 are staggered.
  • the roller way body 1 is used to transport a coil 3.
  • the guiding mechanisms 2 are used to change the running trajectory of the coil 3, so that overlapping points 31 of the coil 3 are uniformly distributed.
  • the design of the guiding mechanisms 2 on the roller way body 1 can change the running trajectory of the wire, stagger the overlapping points with a larger stacking thickness in order, reduce the cooling non-uniformity, improve the organizational structure of the wire, make the temperature fluctuation of the overlapping points on the edge of the air-cooling roller way body 1 achieve an ideal effect, reduce the performance of the coils 3 in the same circle, and realize the homogenization of the coiling performance of the wire.
  • the guiding mechanism 2 comprises a fixed seat 23 and a guide wheel 26.
  • the guide wheel 26 is adjustable in position and is installed on the fixed seat 23.
  • the position adjustment direction of the guide wheel 26 is staggered with the transmission direction of the roller way body 1.
  • the fixed seat 23 is adjustable in position and is installed on the roller way body 1, and the adjustment direction of the fixed seat 23 is parallel to the transmission direction of the roller way body 1.
  • the guide wheel 26 and the fixed seat 23 which are adjustable in position can change the running trajectories of coils 3 with different specifications, and the application range is increased.
  • the tail end of the guide wheel 26 will be inserted between the rollers in the roller way body 1 to play a role of limiting and fixing, so that the guiding mechanism 2 will not be offset.
  • a bracket 22 is fixedly connected to the fixed seat 23.
  • the bracket 22 is erected on the roller way body 1.
  • a base 21 is fixedly connected to the bracket 22.
  • the base 21 is located outside the roller way body 1.
  • the base 21 plays the role of increasing the counterweight, thus improving the stability of the guiding mechanism 2 after being erected.
  • the fixed seat 23 is provided with a notch 231 for the guide wheel 26 to move.
  • the top surface of the fixed seat 23 is provided with a supporting arm 24 and two positioning plates 27.
  • the supporting arm 24 and the notch 231 are both located between the two positioning plates 27.
  • the positioning plate 27 is provided with an adjusting hole 271 extending to the center line of the roller way body 1.
  • a fixed screw 28 is provided in the adjusting hole 271.
  • a rod part of the fixed screw 28 is in threaded connection with the supporting arm 24.
  • the bottom surface of the supporting arm 24 is provided with an axle 25.
  • the guide wheel 26 and the axle 25 are rotatably connected and axially fixed.
  • the design of the notch 231 on the fixed seat 23, the supporting arm 24 and the adjusting hole 271 on the positioning plate 27 can make the guide wheel 26 move longitudinally to adjust the distance between the guide wheels 26 at both sides according to the coil size.
  • guide plates 29 are provided at both sides of the fixed seat 23.
  • the guide plates 29 are fixed by welding, which can effectively prevent the head and tail of the wire from entering the gap between the guide wheel 26 and the inner side of the roller way body 1 and avoid production accidents such as inverted insertion and a large number of crawling.
  • the present disclosure relates to a usage method of a cooling roller way.
  • the method comprises the following steps: according to the rolling specifications of a coil 3, adjusting the distance between two adjacent guide wheels 26 at the same side of the roller way body 1 or/and adjusting the length of the guide wheels 26 extending to the center of the roller way body 1, so that the guide wheel 26 is in contact with the coil 3 so as to change the running trajectory of the coil 3, and finally the running trajectory is S-shaped, so that the overlapping points 31 of the coil 3 are staggered in order.
  • the distribution distance is 2 to 4 meters.
  • Guide wheels are additionally installed at both sides of the cooling roller way of the high-speed wire, which can change the running trajectory of the spinning coil 3, stagger the overlapping points of the stacking coil 3 transported on the cooling roller way in order, make the cooling speed uniform, reduce the temperature difference between high and low temperature points of the high-speed wire coil 3, and make the cooling uniform, thus ensuring the uniform performance of the microstructure of the overall length of the high-speed wire.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)

Claims (4)

  1. Un chemin de roulement de refroidissement pour améliorer l'uniformité de refroidissement d'une bobine de filage, comprenant un corps de chemin de roulement (1) et plusieurs mécanismes de guidage (2) installés sur les deux côtés du corps de chemin de roulement (1), dans lequel les mécanismes de guidage (2) sur les deux côtés du corps de chemin de roulement (1) sont décalés, le corps de chemin de roulement (1) est utilisé pour transporter une bobine (3), et les mécanismes de guidage (2) sont utilisés pour modifier la trajectoire de déplacement de la bobine (3), de sorte que les points de chevauchement (31) de la bobine (3) soient uniformément répartis ; dans lequel le mécanisme de guidage (2) comprend un siège fixe (23) et une roue de guidage (26), la roue de guidage (26) est réglable en position et est installée sur le siège fixe (23), et la direction de réglage de position de la roue de guidage (26) est décalée par rapport à la direction de transmission du corps de chemin de roulement (1) ; et dans lequel des plaques de guidage (29) sont disposées sur les deux côtés du siège fixe (23).
  2. Le chemin de roulement de refroidissement selon la revendication 1,
    dans lequel un support (22) est fixé de manière connectée au siège fixe (23), le support (22) est érigé sur le corps de chemin de roulement (1), une base (21) est fixée de manière connectée au support (22), et la base (21) est située à l'extérieur du corps de chemin de roulement (1).
  3. Le chemin de roulement de refroidissement selon la revendication 1,
    dans lequel le siège fixe (23) est pourvu d'une encoche (231) pour le déplacement de la roue de guidage (26), la surface supérieure du siège fixe (23) est pourvue d'un bras de support (24) et de deux plaques de positionnement (27), le bras de support (24) et l'encoche (231) sont tous deux situés entre les deux plaques de positionnement (27), la plaque de positionnement (27) est pourvue d'un trou de réglage (271) s'étendant jusqu'à la ligne centrale du corps de chemin de roulement (1), une vis de fixation (28) est disposée dans le trou de réglage (271), une partie tige de la vis de fixation (28) est en connexion filetée avec le bras de support (24), la surface inférieure du bras de support (24) est pourvue d'un axe (25), et la roue de guidage (26) et l'axe (25) sont connectés de manière rotative et fixés axialement.
  4. Une utilisation du chemin de roulement de refroidissement selon l'une quelconque des revendications 1 à 3, dans laquelle l'utilisation comprend les étapes suivantes : selon les spécifications de roulement d'une bobine (3), régler la distance entre deux roues de guidage (26) adjacentes du même côté du corps de chemin de roulement (1) ou/et régler la longueur des roues de guidage (26) s'étendant vers le centre du corps de chemin de roulement (1), de sorte que la roue de guidage (26) soit en contact avec la bobine (3) afin de modifier la trajectoire de déplacement de la bobine (3), et finalement la trajectoire de déplacement est en forme de S, de sorte que les points de chevauchement (31) de la bobine (3) soient décalés en ordre.
EP21938790.9A 2021-04-28 2021-08-03 Chemin de rouleau de refroidissement pour améliorer l'uniformité de refroidissement d'une bobine de filage et son utilisation Active EP4186605B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110466469.4A CN113042552A (zh) 2021-04-28 2021-04-28 一种提高吐丝线圈冷却均匀性的散冷辊道及使用方法
PCT/CN2021/110165 WO2022227325A1 (fr) 2021-04-28 2021-08-03 Chemin de rouleau de refroidissement pour améliorer l'uniformité de refroidissement d'une bobine de filage et procédé d'utilisation

Publications (3)

Publication Number Publication Date
EP4186605A1 EP4186605A1 (fr) 2023-05-31
EP4186605A4 EP4186605A4 (fr) 2024-06-12
EP4186605B1 true EP4186605B1 (fr) 2025-05-07

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ID=76518091

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21938790.9A Active EP4186605B1 (fr) 2021-04-28 2021-08-03 Chemin de rouleau de refroidissement pour améliorer l'uniformité de refroidissement d'une bobine de filage et son utilisation

Country Status (5)

Country Link
EP (1) EP4186605B1 (fr)
JP (1) JP7497524B2 (fr)
KR (1) KR102934283B1 (fr)
CN (1) CN113042552A (fr)
WO (1) WO2022227325A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113042552A (zh) * 2021-04-28 2021-06-29 中天钢铁集团有限公司 一种提高吐丝线圈冷却均匀性的散冷辊道及使用方法
CN116060462B (zh) * 2023-03-28 2023-06-13 金鼎重工有限公司 一种用于高速线材的混合冷却设备
CN117619914A (zh) * 2023-12-19 2024-03-01 本溪北营钢铁（集团）股份有限公司 一种用于高速线材风冷辊道卷型调整装置

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Publication number Priority date Publication date Assignee Title
CA961314A (en) * 1971-10-13 1975-01-21 Takuo Mizoguchi Method and apparatus for cooling wire rods
JPS5222324B2 (fr) * 1972-06-05 1977-06-16
JPS5121369B2 (fr) * 1972-06-05 1976-07-02
JPS5698428A (en) * 1980-01-09 1981-08-07 Sumitomo Metal Ind Ltd Preparation of high tensile wire material
JPS5856063U (ja) * 1981-10-02 1983-04-15 住友金属工業株式会社 線材の直接熱処理用ロ−ラコンベア
JPH02305927A (ja) * 1989-02-20 1990-12-19 Toa Steel Co Ltd 熱間圧延線材の蛇行搬送方法およびその装置
JP2566071Y2 (ja) * 1992-08-07 1998-03-25 トーア・スチール株式会社 熱間圧延線材の均一急冷装置
JP2001315928A (ja) * 2000-05-10 2001-11-13 Toyo Kanetsu Kk 仕分装置のシュート構造
KR20030054060A (ko) * 2001-12-24 2003-07-02 주식회사 포스코 선재코일의 집적밀도 분산용 공냉장치
KR100928572B1 (ko) * 2002-08-09 2009-11-25 주식회사 포스코 코일형 선재의 균일 냉각 장치
KR100797290B1 (ko) * 2006-12-21 2008-01-23 주식회사 포스코 선재코일의 조밀집적 장치
CN204672701U (zh) * 2015-04-07 2015-09-30 冯宗茂 一种错动线材搭接点装置
KR20170052723A (ko) * 2015-11-03 2017-05-15 주식회사 포스코 선재코일 냉각장치
CN113042552A (zh) * 2021-04-28 2021-06-29 中天钢铁集团有限公司 一种提高吐丝线圈冷却均匀性的散冷辊道及使用方法
CN214813647U (zh) * 2021-04-28 2021-11-23 中天钢铁集团有限公司 一种提高吐丝线圈冷却均匀性的散冷辊道

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KR20230042589A (ko) 2023-03-28
WO2022227325A1 (fr) 2022-11-03
EP4186605A1 (fr) 2023-05-31
JP2023542202A (ja) 2023-10-05
EP4186605A4 (fr) 2024-06-12
KR102934283B1 (ko) 2026-03-05
CN113042552A (zh) 2021-06-29
JP7497524B2 (ja) 2024-06-10

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