WO2009084153A1 - 冷却ロール清掃装置 - Google Patents

冷却ロール清掃装置 Download PDF

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Publication number
WO2009084153A1
WO2009084153A1 PCT/JP2008/003587 JP2008003587W WO2009084153A1 WO 2009084153 A1 WO2009084153 A1 WO 2009084153A1 JP 2008003587 W JP2008003587 W JP 2008003587W WO 2009084153 A1 WO2009084153 A1 WO 2009084153A1
Authority
WO
WIPO (PCT)
Prior art keywords
cooling roll
brush
outer peripheral
peripheral surface
cleaning device
Prior art date
Application number
PCT/JP2008/003587
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Hiroyuki Otsuka
Hiroki Yoshizawa
Katsumi Nakayama
Original Assignee
Ihi Corporation
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 Ihi Corporation filed Critical Ihi Corporation
Priority to CA2700121A priority Critical patent/CA2700121C/en
Priority to CN2008801227388A priority patent/CN101909781A/zh
Priority to US12/680,796 priority patent/US20100205765A1/en
Priority to EP08867995A priority patent/EP2248616B1/en
Priority to BRPI0821920A priority patent/BRPI0821920A2/pt
Priority to TW097150073A priority patent/TWI357360B/zh
Publication of WO2009084153A1 publication Critical patent/WO2009084153A1/ja

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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
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
    • 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
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0637—Accessories therefor
    • B22D11/0665—Accessories therefor for treating the casting surfaces, e.g. calibrating, cleaning, dressing, preheating
    • 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
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0637—Accessories therefor
    • B22D11/0665—Accessories therefor for treating the casting surfaces, e.g. calibrating, cleaning, dressing, preheating
    • B22D11/0668—Accessories therefor for treating the casting surfaces, e.g. calibrating, cleaning, dressing, preheating for dressing, coating or lubricating

Definitions

  • the present invention relates to a cooling roll cleaning device used in a twin roll casting machine.
  • molten metal is supplied between a pair of horizontally arranged rolls and solidified metal is fed into a thin strip shape.
  • FIG. 1 and 2 show a twin roll casting machine equipped with an example of a conventional cooling roll cleaning device, which is a pair of cooling rolls 1 arranged horizontally and a pair of sides attached to the cooling roll 1. And a weir 2.
  • the cooling roll 1 is configured so that cooling water flows through the roll 1 and the roll gap G can be adjusted in accordance with the thickness of the steel strip 3 to be produced.
  • the rotation direction and speed of the cooling rolls 1 are set so that the outer peripheral surface of each cooling roll 1 moves from the upper side toward the roll gap G at a constant speed.
  • One side weir 2 is in surface contact with one end of each cooling roll 1, and the other side weir 2 is in surface contact with the other end of each cooling roll 1.
  • a molten metal supply nozzle 4 is arranged between the pair of side weirs 2 so as to be located immediately above the roll gap G.
  • the molten steel is poured from a ladle (not shown) to the molten metal supply nozzle 4, and the cooling roll 1 When molten steel is supplied to a space surrounded on all sides by the side weir 2, a molten metal pool 5 is formed.
  • the molten metal pool 5 is formed and the cooling roll 1 is rotated while removing heat by circulation of the cooling water, the molten steel is solidified on the outer peripheral surface of the cooling roll 1 and formed on the outer peripheral surface of each cooling roll 1.
  • the solidified shells 6 are stuck together, and the steel strip 3 is sent out below the roll gap G.
  • oxides containing manganese, silicon, and the like adhere to the outer peripheral surface of the cooling roll 1, and heat from the molten steel to the cooling roll 1 increases as the thickness of the adhesion layer of these oxides increases. Transmission is hindered, and generation of the solidified shell 6 on the outer peripheral surface of the cooling roll 1 is suppressed.
  • a columnar brush 7 that is in contact with the entire length of the outer peripheral surface in the axial direction is disposed for each cooling roll 1, and the brush 7 is rotated in the same direction as the cooling roll 1 by a motor (not shown).
  • a method is adopted in which surface cleaning is performed to remove the oxide adhesion layer (see, for example, Patent Documents 1 and 2).
  • each brush 7 not facing the cooling roll 1 are individually covered by cowlings 8.
  • a plurality of dust suction ports 9 arranged in the axial direction of the cooling roll 1 are provided symmetrically in each cowling 8, and the dust suction ports 9 are connected to the exhaust blower 10 to prevent dust from being scattered due to blasting.
  • the brush 7 is formed by planting the wire group 12 for polishing over the entire outer peripheral surface of the body 11, and sucks dust that has entered the wire group 12 planted at high density to the outside of the cowling 8. It is not easy to do.
  • the cleanliness of the brush 7 is reflected on the cooling roll 1, and a part of the dust remaining in a portion away from the dust suction port 9 of the brush 7 moves to the outer peripheral surface of the cooling roll 1, thereby moving the cooling roll from the molten steel.
  • the heat transfer to 1 is hindered.
  • the generation of the solidified shell 6 proceeds smoothly at the portion where the range ⁇ in the vicinity of the dust suction port 9 of the brush 7 contacts, but the dust interferes with heat transfer at other portions. Due to this, the formation of the solidified shell 6 does not progress.
  • the steel strip 3 delivered by the pair of cooling rolls 1 is in a state in which the mountain portions where the generation of the solidified shell 6 shown in FIG. An unsolidified region remains in the valley portion between.
  • the thickness distribution in the plate width direction becomes uneven, and cracks may occur.
  • the present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a cooling roll cleaning device that can keep the cleanness of a brush high.
  • the cooling roll cleaning device of the present invention is a cylindrical body portion that is capable of rotation and has a plurality of suction holes penetrating inward from the outer peripheral surface and extending parallel to the cooling roll axis.
  • a group of strands for polishing which are planted on the outer peripheral surface of the body and whose tip is brought into contact with the outer surface of the cooling roll by rotation of the body, and communicates with a space in the body provided at one end of the body And a brush having a dust suction port, and an exhaust mechanism is connected to the dust suction port.
  • the strands for polishing are planted on the outer peripheral surface of the trunk so as to form a spiral line from one end of the trunk to the other.
  • a group of strands for scouring is planted on the outer peripheral surface of the trunk so as to form a plurality of rows from one end of the trunk to the other end.
  • a configuration in which the hair length, wire diameter, or material of the strand group is changed for each row, and a configuration in which a portion not facing the cooling roll of the brush is covered with a cowling can be selected.
  • FIG. 2 is a schematic plan view related to FIG. 1. It is a conceptual diagram which shows the twin roll casting machine equipped with an example of the cooling roll cleaning apparatus of this invention. It is the schematic which shows the brush in FIG. It is the schematic which shows the modification of a brush. It is the schematic which shows another modification of a brush.
  • FIGS. 1 and 2 show a twin-roll casting machine equipped with an example of the cooling roll cleaning apparatus of the present invention.
  • the parts denoted by the same reference numerals as those in FIGS. 1 and 2 represent the same thing. .
  • the brush 13 disposed for each cooling roll 1 is rotated in the same direction as the cooling roll 1 by a motor (not shown), and the outer peripheral surface of the cooling roll 1 is cleaned. The measures are taken to remove the adhesion layer.
  • the brush 13 has a cylindrical body portion 15 having a large number of suction holes 14 penetrating inward from the outer peripheral surface, and a spiral shape extending from one end of the body portion 15 to the other end on the outer peripheral surface of the body portion 15.
  • a support shaft 19 that is coaxially attached to the body 15 via a plate (not shown) that is fitted to the other end of the body 15, parallel to the axis of the cooling roll 1, and the body 15 Is arranged so that the tip end of the strand group 16 contacts the outer peripheral surface of the cooling roll 1 in order.
  • the strands 16 for polishing that are planted so as to form a spiral row is a method of planting a bundle of a predetermined number of strands in a hole for implantation bored in the body portion 15.
  • any of the methods of attaching a channel brush, in which a strand group is constrained by a groove-shaped long holder so as to have a predetermined thickness, to the body portion 15 is included.
  • each brush 13 that are not opposed to the cooling roll 1 are individually covered by the cowling 20.
  • an exhaust mechanism that forcibly exhausts air through a hollow joint dust suction port 18 communicating with the space in the body portion 15 via a rotary joint (not shown) that allows the brush 13 to rotate and a pipe 21.
  • An exhaust blower 10 is connected to prevent dust from being scattered due to scouring.
  • the brush 13 is rotated in the same direction as the cooling roll 1 by a motor (not shown) to clean the outer peripheral surface of the cooling roll 1 to remove the oxide adhesion layer,
  • the exhaust blower 10 is operated to collect dust inside each cowling 20.
  • the strand group 16 Since the strand group 16 is planted on the outer peripheral surface of the trunk portion 15 so as to form a spiral line from one end of the trunk portion 15 to the other end, the strand group 16 simultaneously contacts the outer circumferential surface of the cooling roll 1.
  • the range is narrow, the width direction profile of the outer peripheral surface of the cooling roll 1 does not directly affect the brush 13, and even if the brush 13 is not pressed against the cooling roll 1 with a particularly large force, The contact surface pressure of the strand group 16 can be ensured, whereby the oxide adhesion layer can be reliably removed from the outer peripheral surface of the cooling roll 1.
  • a mechanism for pressing the brush 13 against the cooling roll 1 (such as a pressing cylinder) can be downsized, and driving energy required for the mechanism for rotating the brush 13 can be reduced. Can do.
  • the dust accompanying the scouring enters the space in the body portion 15 from the many suction holes 14, is immediately discharged to the outside of the cowling 20 through the dust suction port 18, and the planting density of the strand group 16 is low. Dust is extremely difficult to enter the wire group 16 and the cleanliness of the brush 13 can be kept high. That is, even if dust enters the wire group 16 or dust adheres to the surface of the trunk portion 15, these dusts can be quickly and reliably sucked through the suction hole 14 and discharged from the trunk portion 15. In addition, it can prevent suitably that dust scatters around the brush 13 by covering the brush 13 with the cowling 20. Also, the vicinity of the brush 13 (inside the cowling 20) can be easily made negative with respect to the surroundings (outside of the cowling 20), and dust can be collected efficiently by the operation of the exhaust blower 10.
  • FIG. 5 shows a modified example of the brush 13.
  • the brush 15 is sharpened so as to form a spiral row from one end of the body portion 15 toward the other end on the outer peripheral surface of the body portion 15.
  • a group of sweeping strands 22 is planted to form two spiral rows.
  • the strand groups 16 and 22 may have the same cleaning effect as the same species, but the hair length of the strand groups 16 and 22 (the length from the outer peripheral surface of the body 15 to the tip of the strand) for each row, If the wire diameter, material, etc. are changed, different cleaning effects can be obtained.
  • FIG. 6 shows another modified example of the brush 13, and the strands 23 for scouring are arranged on the outer peripheral surface of the barrel portion 15 so as to form a plurality of rows from one end to the other end of the barrel portion 15. It is planted at equal intervals in the 15-round direction.
  • Each strand group 23 extends obliquely with respect to the axis of the trunk portion 15, and the planting position is shifted in the circumferential direction of the trunk portion 15 at one end and the other end of the trunk portion 15.
  • the profile in the width direction of the outer peripheral surface of the cooling roll 1 does not directly affect the brush 13, and is directed toward the cooling roll 1. Even if the brush 13 is not pressed with a particularly large force, the contact surface pressure of the wire group 23 with respect to the cooling roll 1 can be ensured, whereby the oxide adhesion layer can be reliably removed from the outer peripheral surface of the cooling roll 1.
  • the dust accompanying the blasting enters the space in the body portion 15 from the numerous suction holes 14, is immediately discharged to the outside of the cowling 20 (see FIG. 3) through the dust suction port 18, and the strand group 23 is planted. Since the density is also low, dust hardly enters the strand group 23, and the cleanliness of the brush 13 can be kept high. That is, even if dust enters the wire group 23 or dust adheres to the surface of the trunk portion 15, these dusts can be quickly and reliably sucked through the suction hole 14 and discharged from the trunk portion 15.
  • the suction hole for sucking dust is provided only in the body portion 15, but the cowling 20 may be provided with a suction hole. That is, the dust near the brush 13 may be sucked by the suction hole of the body portion 15 or the suction hole of the cowling 20. This makes it easier to collect dust more reliably.
  • the winding direction of the strands 16 and 22 may be right-handed or left-handed.
  • the rotation direction of the brush 13 itself is not limited.
  • cooling roll cleaning apparatus of this invention is not limited only to the Example mentioned above, Of course, a change can be added in the range which does not deviate from the summary of this invention.
  • the cooling roll cleaning apparatus of the present invention can also be applied to a twin roll casting machine that manufactures a strip using a metal other than steel as a raw material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Cleaning In General (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Brushes (AREA)
PCT/JP2008/003587 2007-12-28 2008-12-04 冷却ロール清掃装置 WO2009084153A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA2700121A CA2700121C (en) 2007-12-28 2008-12-04 Device for cleaning chilled rolls
CN2008801227388A CN101909781A (zh) 2007-12-28 2008-12-04 冷却辊清扫装置
US12/680,796 US20100205765A1 (en) 2007-12-28 2008-12-04 Device for cleaning chilled rolls
EP08867995A EP2248616B1 (en) 2007-12-28 2008-12-04 Device for cleaning chilled rolls
BRPI0821920A BRPI0821920A2 (pt) 2007-12-28 2008-12-04 dispositivo para limpeza de rolos enregelados
TW097150073A TWI357360B (en) 2007-12-28 2008-12-22 Device for cleaning chilled rolls

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007338867A JP5320733B2 (ja) 2007-12-28 2007-12-28 冷却ロール清掃装置
JP2007-338867 2007-12-28

Publications (1)

Publication Number Publication Date
WO2009084153A1 true WO2009084153A1 (ja) 2009-07-09

Family

ID=40823889

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/003587 WO2009084153A1 (ja) 2007-12-28 2008-12-04 冷却ロール清掃装置

Country Status (10)

Country Link
US (1) US20100205765A1 (ko)
EP (1) EP2248616B1 (ko)
JP (1) JP5320733B2 (ko)
KR (1) KR20100082864A (ko)
CN (1) CN101909781A (ko)
BR (1) BRPI0821920A2 (ko)
CA (1) CA2700121C (ko)
RU (1) RU2440212C1 (ko)
TW (1) TWI357360B (ko)
WO (1) WO2009084153A1 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5104943B2 (ja) 2008-03-21 2012-12-19 株式会社Ｉｈｉ ロール研磨装置
JP5691777B2 (ja) 2011-04-14 2015-04-01 株式会社Ihi 粉末圧延装置及び粉末圧延方法
JP2012251217A (ja) * 2011-06-03 2012-12-20 Ihi Corp 粉末圧延装置
DE102011086686A1 (de) * 2011-11-21 2013-05-23 Bayerische Motoren Werke Aktiengesellschaft Bürstenvorrichtung
CN102553846B (zh) * 2011-12-13 2014-04-23 万向电动汽车有限公司 一种压辊自动清洁装置
KR101676127B1 (ko) * 2014-12-18 2016-11-15 주식회사 포스코 비정질 화이버 제조장치
WO2018119551A1 (zh) * 2016-12-26 2018-07-05 宝山钢铁股份有限公司 铸辊辊面清理装置和方法
CN114769216B (zh) * 2022-04-18 2023-02-28 江苏瑞澜特新材料有限公司 一种用于水溶性pva膜的生产设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0377748A (ja) * 1989-08-18 1991-04-03 Nippon Steel Corp 薄板連続鋳造機用のブラシ装置
JPH0735641Y2 (ja) * 1990-06-18 1995-08-16 新日本製鐵株式会社 ベルト式連続鋳造機用ロールブラシ
JPH08309488A (ja) 1995-05-15 1996-11-26 Mitsubishi Heavy Ind Ltd 双ドラム式鋳造装置用ブラシ装置
JP2879031B1 (ja) * 1997-09-29 1999-04-05 総武スチレン株式会社 畳芯材発泡スチロール板の残存縫糸片の除去方法及びその残存縫糸片と付着塵埃の除去装置
JP2000000644A (ja) 1998-06-17 2000-01-07 Ishikawajima Harima Heavy Ind Co Ltd 金属ストリップ鋳造装置

Family Cites Families (8)

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US3087599A (en) * 1960-07-19 1963-04-30 Osborn Mfg Co Conveyor roll
US3706108A (en) * 1970-12-28 1972-12-19 Eastman Kodak Co Apparatus for cleaning a residual image from a photosensitive member
US5322015A (en) * 1988-02-08 1994-06-21 Baldwin Technology Corporation Rotating brush cleaner system
NO305738B1 (no) * 1990-06-14 1999-07-19 Baldwin Technology Corp Trykkingsanordning omfattende roterende t°rr-b°rsteorgan
US5160187A (en) * 1991-10-17 1992-11-03 Drumm Arthur E Strip brush for mounting on a rotary drum
KR100489242B1 (ko) * 2000-08-24 2005-05-17 주식회사 포스코 쌍롤식 박판주조기의 롤 표면 세척용 브러싱장치
DE10333215A1 (de) * 2003-07-22 2005-02-17 Sms Demag Ag Verfahren zur Formgebung einer Walzen-Reinigungsbürste und nach dem Verfahren ausgeformte Reinigungsbürste
KR101031560B1 (ko) * 2007-05-21 2011-04-27 삼성전자주식회사 흡입구조립체 및 이를 구비한 진공청소기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0377748A (ja) * 1989-08-18 1991-04-03 Nippon Steel Corp 薄板連続鋳造機用のブラシ装置
JPH0735641Y2 (ja) * 1990-06-18 1995-08-16 新日本製鐵株式会社 ベルト式連続鋳造機用ロールブラシ
JPH08309488A (ja) 1995-05-15 1996-11-26 Mitsubishi Heavy Ind Ltd 双ドラム式鋳造装置用ブラシ装置
JP2879031B1 (ja) * 1997-09-29 1999-04-05 総武スチレン株式会社 畳芯材発泡スチロール板の残存縫糸片の除去方法及びその残存縫糸片と付着塵埃の除去装置
JP2000000644A (ja) 1998-06-17 2000-01-07 Ishikawajima Harima Heavy Ind Co Ltd 金属ストリップ鋳造装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2248616A4

Also Published As

Publication number Publication date
BRPI0821920A2 (pt) 2015-09-22
CN101909781A (zh) 2010-12-08
TW200936263A (en) 2009-09-01
EP2248616A4 (en) 2011-06-08
JP2009154203A (ja) 2009-07-16
JP5320733B2 (ja) 2013-10-23
TWI357360B (en) 2012-02-01
EP2248616A1 (en) 2010-11-10
CA2700121C (en) 2011-11-29
US20100205765A1 (en) 2010-08-19
RU2440212C1 (ru) 2012-01-20
EP2248616B1 (en) 2012-05-30
CA2700121A1 (en) 2009-07-09
KR20100082864A (ko) 2010-07-20

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