WO2005113843A1 - Adiabatic roll - Google Patents

Adiabatic roll Download PDF

Info

Publication number
WO2005113843A1
WO2005113843A1 PCT/KR2005/001189 KR2005001189W WO2005113843A1 WO 2005113843 A1 WO2005113843 A1 WO 2005113843A1 KR 2005001189 W KR2005001189 W KR 2005001189W WO 2005113843 A1 WO2005113843 A1 WO 2005113843A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat
resistant
metal tub
tub shaft
rings
Prior art date
Application number
PCT/KR2005/001189
Other languages
English (en)
French (fr)
Inventor
Hwa Woong Song
Kanji Hirakuri
Original Assignee
Korea Toho Co., Ltd.
Kabushikikaisha Ask Technica 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 Korea Toho Co., Ltd., Kabushikikaisha Ask Technica Corporation filed Critical Korea Toho Co., Ltd.
Priority to US11/597,240 priority Critical patent/US20070232471A1/en
Priority to EP05764922A priority patent/EP1751319A4/de
Publication of WO2005113843A1 publication Critical patent/WO2005113843A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
    • F27B9/2469—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor the conveyor being constituted by rollable bodies
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/0025—Locks or fastenings for special use for glass wings
    • 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
    • C21D9/0006—Details, accessories not peculiar to any of the following furnaces
    • C21D9/0012—Rolls; Roll arrangements
    • 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
    • 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
    • C21D9/562—Details
    • C21D9/563—Rolls; Drums; Roll arrangements
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
    • F27B9/2407—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/02—Skids or tracks for heavy objects
    • F27D3/026—Skids or tracks for heavy objects transport or conveyor rolls for furnaces; roller rails

Definitions

  • the present invention relates, in general, to an adiabatic roll and, more particularly, to
  • a conventional adiabatic roll is exemplified by a carrier roll in a furnace for preheating
  • FIG. 7 A plurality of heat-resistant rings
  • the conventional adiabatic roll having the above-mentioned constitution has the following problems.
  • an object of the present invention is to provide an adiabatic roll in which
  • heat-resistant rings and disks are not welded into a metal tub shaft but are fitted around the metal
  • the adiabatic roll deforms in accordance with thermal expansion and shrinkage of the heat-resistant rings and thus prevents the formation of
  • the present invention provides an adiabatic roll.
  • the adiabatic roll comprises a metal
  • tub shaft 1 which has a through hole 1 A for passing cooling water 20 therethrough, a plurality of
  • heat-resistant rings 2 which is fitted around the metal tub shaft 1 and axially arranged at
  • heat-resistant rings 2 comprises first and second heat-resistant ring parts 2A, 2B which have
  • the present invention also provides an adiabatic roll characterized in that the first and
  • the present invention also provide an adiabatic roll characterized in that metal tub shaft key grooves Id are formed on an external wall of the metal tub shaft 1, key grooves 2C are
  • the present invention also provides an adiabatic roll characterized in that metal tub
  • resistant rings 2 are partially or entirely made of ceramic.
  • first heat-resistant ring part 2 A of each of the heat-resistant rings 2 is made of nickel • cobalt or
  • rings 2 is made of ceramic.
  • the heat-resistant rings are fitted around a water-cooled
  • heat-resistant rings having larger and smaller diameters are used in example 2, thus
  • heat-resistant steel is used to manufacture the rings, thus minimizing cost. Furthermore, heat-resistant ceramic rings are used, thereby preventing heat loss due to
  • the disks made of inorganic material are axially restored by 15 mm (25 %) so as to sufficiently
  • the present invention can be applied to an adiabatic roll for manufacturing iron and other carrier equipment at high temperatures.
  • FIG. 1 is a longitudinal sectional view of an adiabatic roll according to the present
  • FIG. 2 is a longitudinal sectional view of the roll of FIG. 1, which is to be tested;
  • FIG. 3 is a sectional view taken in the direction of arrows along the line Y-Y of FIG 2;
  • FIG. 4 is a sectional view of a main part of FIG. 2;
  • FIG. 5 is a transverse sectional view of another type of ring, which is different from
  • FIG. 6 is a longitudinal sectional view of FIG. 5;
  • FIG. 7 is a longitudinal sectional view of a conventional adiabatic roll.
  • metal tub shaft 1 A through hole for passing cooling water therethrough
  • end lb the other end lc: threaded part
  • Id metal tub shaft key groove
  • key groove 2 heat-resistant ring
  • key groove 5 fixed flange 6: movable flange 7: disk 8: nut 10: key 6A: adiabatic roll
  • first heat-resistant ring part 2B second heat-resistant ring part
  • reference numeral 1 denotes a tub-shaped metal tub shaft which has a
  • a fixed flange 5 is welded into a
  • the movable flange 6 is axially and elastically supported by a nut 8,
  • Disks 7 made of a predetermined material for example, plural sheets of ring-shaped
  • inorganic material which includes a non-asbestos containing ASK#2057 manufactured by ASK
  • the heat-resistant rings 2 and the disks 7 are fitted around the metal tub shaft 1 without welding.
  • the roll may be as shown in FIGS. 2 to 4. However, with respect to the basic
  • a pair of metal tub shaft key grooves Id is formed with a 180° interval on an external
  • pair of key grooves 2C is formed on an internal wall of each heat-resistant ring 2, and keys 10 are
  • the heat-resistant rings 2 are not axially fixed, but can axially move
  • the heat-resistant rings 2 are fitted around the water-cooled metal tub shaft 1, thus
  • the amount of cooling water used was 3 L/min.
  • the nickel • cobalt-based heat-resistant ring 2 was the same as described in example 1
  • first and second heat-resistant ring parts 2A, 2B of example 2 was made of an Al 2 O 3 ceramic
  • the heat-resistant ring 2 of example 1 was made of an Al 2 O 3 ceramic sintered body instead of nickel-cobalt-based heat-resistant steel.
  • the remaining test conditions were the same as those of example 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
PCT/KR2005/001189 2004-05-20 2005-04-26 Adiabatic roll WO2005113843A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US11/597,240 US20070232471A1 (en) 2004-05-20 2005-04-26 Adiabatic Roll
EP05764922A EP1751319A4 (de) 2004-05-20 2005-04-26 Adiabatische rolle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2004-0035973 2004-05-20
KR1020040035973A KR100578468B1 (ko) 2004-05-20 2004-05-20 단열 롤

Publications (1)

Publication Number Publication Date
WO2005113843A1 true WO2005113843A1 (en) 2005-12-01

Family

ID=35428422

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2005/001189 WO2005113843A1 (en) 2004-05-20 2005-04-26 Adiabatic roll

Country Status (5)

Country Link
US (1) US20070232471A1 (de)
EP (1) EP1751319A4 (de)
KR (1) KR100578468B1 (de)
CN (1) CN1989260A (de)
WO (1) WO2005113843A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005324244A (ja) * 2004-05-17 2005-11-24 Daehan Dongbang Co Ltd 断熱ロール
US11867463B2 (en) 2018-07-30 2024-01-09 Sms Group Gmbh Roller for a roller hearth furnace

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2965868B1 (fr) * 2010-10-07 2012-11-02 Snecma Propulsion Solide Rouleau en materiau composite pour recuit haute temperature
CN106077583B (zh) * 2016-08-22 2018-05-18 合肥东方节能科技股份有限公司 一种高耐磨陶瓷复合的导卫辊及其制备方法
CN106270458B (zh) * 2016-08-22 2018-11-09 合肥东方节能科技股份有限公司 一种基于碳化陶瓷复合的滚动导轮及其制备方法
DE102016220099A1 (de) * 2016-10-14 2018-04-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Rollenofen zur thermischen Behandlung eines Brennguts, Verwendungen hiervon und Verfahren zur ökonomischen Behandlung eines Brennguts mit Wärme

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JPH05148530A (ja) * 1991-11-22 1993-06-15 Mitsubishi Materials Corp 加熱炉の搬送ロール
JPH1129826A (ja) * 1997-07-10 1999-02-02 Ask Tekunika:Kk 断熱ロール
JP2000109925A (ja) * 1998-10-05 2000-04-18 Kubota Corp 冷却ローラ

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Publication number Priority date Publication date Assignee Title
JPH049424A (ja) * 1990-02-22 1992-01-14 Kubota Corp 鋼材熱処理炉用ハースロール
JPH05148530A (ja) * 1991-11-22 1993-06-15 Mitsubishi Materials Corp 加熱炉の搬送ロール
JPH1129826A (ja) * 1997-07-10 1999-02-02 Ask Tekunika:Kk 断熱ロール
JP2000109925A (ja) * 1998-10-05 2000-04-18 Kubota Corp 冷却ローラ

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Title
See also references of EP1751319A4 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005324244A (ja) * 2004-05-17 2005-11-24 Daehan Dongbang Co Ltd 断熱ロール
US11867463B2 (en) 2018-07-30 2024-01-09 Sms Group Gmbh Roller for a roller hearth furnace

Also Published As

Publication number Publication date
KR20050110979A (ko) 2005-11-24
CN1989260A (zh) 2007-06-27
EP1751319A4 (de) 2009-11-18
KR100578468B1 (ko) 2006-05-10
US20070232471A1 (en) 2007-10-04
EP1751319A1 (de) 2007-02-14

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