EP0862033B1 - Dispositif pour assurer le remplacement d'un rouleau support de bande dans un four de traitement thermique - Google Patents
Dispositif pour assurer le remplacement d'un rouleau support de bande dans un four de traitement thermique Download PDFInfo
- Publication number
- EP0862033B1 EP0862033B1 EP98400333A EP98400333A EP0862033B1 EP 0862033 B1 EP0862033 B1 EP 0862033B1 EP 98400333 A EP98400333 A EP 98400333A EP 98400333 A EP98400333 A EP 98400333A EP 0862033 B1 EP0862033 B1 EP 0862033B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- flanges
- support
- support roller
- furnace
- 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.)
- Expired - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 title claims description 5
- 238000001816 cooling Methods 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 239000011819 refractory material Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 239000000872 buffer Substances 0.000 description 11
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
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
- 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 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 being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace)
-
- 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
Definitions
- the present invention relates to a device designed to ensure the replacement of a support roll for a strip, in particular a steel strip, continuously scrolling through a heat treatment oven, without interrupting treatment, that is to say the movement of the strip in the oven.
- FR-A-2 540 138 a device for carrying out the replacement of a tape support roller by another roller, in a processing oven thermal.
- the two interchangeable rollers are placed, in diametrically opposite position, on the periphery of a mounted cylinder on a support structure, the rotation of this cylinder around its axis allowing to substitute one roll for another.
- the present invention proposes to provide another solution to the problem consisting, in a heat treatment furnace of strips of continuous movement, replacing a support roller with a new roller, without interrupt the movement of the strip, this new solution not presenting the disadvantages of the device according to the prior art recalled above.
- each of said rollers supports is provided with cooling means, these means being able to be designed so as to further ensure rapid cooling of said rollers, low position, when evacuated after swapping operations.
- each support roller is mounted on its flanges by means of a radial slot or slot provided on each of said flanges for receiving the roller support bearing corresponding and the means ensuring the removable fixing of each roller support on its flanges are made in the form of counter plates on which are respectively mounted said bearings, these against plates being by example screwed or bolted to said flanges.
- the axis on which each pivots of said flanges is cooled with water can be protected by a lining of a material refractory, which can be produced for example in the form of an assembly of compressed ceramic fibers.
- said central buffer can be produced in two parts each provided with displacement means making it possible to lift them separately from each other.
- the device the present invention is designed so as to permanently ensure the quality of the guidance of the strip in the oven, without degradation of this guidance or of the quality of the product during the swap operation of the tape support roller.
- a roll must be able to be replaced without stopping the running of the strip by swapping with a second identical roller arranged in a waiting position, the strip always being supported by at least one roller during the operations to swap and disassemble the roller to be taken out of service, the roller support in service being always rotated in synchronism with the tape running speed.
- the device which is the subject of the invention comprises two lateral flanges 1 and 2 designed to receive the bearings of the support rollers 3 and 4 respectively.
- the flanges 1 and 2 are respectively mounted on a central shaft 5 and 6 possibly cooled by water circulation. Trees such as 5 and 6 can be protected for example by a lining of a refractory material allowing avoid the presence of water cooling means. This protection of shafts 5, 6 can be produced using an assembly 7 of ceramic fibers compressed.
- the shafts 5 and 6 of the lateral flanges 1 and 2 are driven in rotation respectively by a motor unit 8, 9, the drive being carried out so as to ensure the synchronization of the angular displacements of the flanges side 1, 2 in order to guarantee the position of the support roller (for example the roller 3 in Figure 1) in the working position.
- the respective bearings of the shafts 5 and 6 of the lateral flanges 1 and 2 are mounted on the frame of the oven, on elements of the latter such as 10 and 10 ', on the on the other side of the oven.
- the tape support rollers 3 and 4 are removably mounted on the corresponding side plates 1 and 2 respectively.
- these flasks have a radial slot or light such as 11, 12 (FIG. 2) intended to respectively receive a bearing from a support roller.
- Each roller bearing supports 3 and 4 is fixed on a counter plate such as 13, 14 using means of suitable fastening, for example by screwing or bolting in order to allow quick and easy disassembly of these bearings.
- Each support roll 3 or 4 is rotated through a drive group such as 15 and a double gimbal transmission system as clearly seen in the figure 3, the rotation of each roller being synchronized with the speed of movement of band B.
- Each of said support rollers 3 and 4 is provided with cooling means, these means can be designed or produced so as to further ensure rapid cooling of said rollers, when these are brought into position low, as will be described below, during their evacuation after the operations of permutation.
- the device further comprises a central liftable buffer 16 making it possible to close off the lower opening provided in the bottom of the oven to ensure the evacuation of a support roll such as 3 or 4 from the oven enclosure to the outside, after a permutation operation, as will be described below.
- the central buffer 16 can be moved in a vertical translational movement using a designated double jack system as a whole by reference 17.
- each lifting buffer such as 18 and 19 is provided with a cylinders 20, 20 'mounted respectively on a carriage 21, 22 moving along of a track 23, 24 respectively.
- the tape support roller in use is the roller 3 supported by the pair of lateral flanges 1.
- the roller 4 supported by the side flanges 2 is in the waiting position.
- the first phase of this permutation operation consists in moving down the central buffer 16 in order to allow the rotation of the lateral flanges 1 and 2. This movement is carried out using the jack systems 17 and in FIG. 2, there is shown in broken lines, the position of the tampon central 16 at the end of this first phase. Then, control groups 8 and 9 synchronized rotation drive side flanges 1 and 2 are set action so as to bring the roller 4 into contact with the strip, this roller being driven in rotation synchronized with the running speed of the tape B. Then, the used roller 3 is moved by the rotation of its support flanges 1 so as to move it away from the strip. Note that during this phase of permutation of support rollers, movement synchronization was ensured angles of the side plates 1, 2 supports of the rollers 3 and 4 in order to guarantee the position of a support roller successively 3 and 4 in the working position.
- the jack system 17 ensures the raising of the central buffer 16 in order to close off the lower opening provided in the bottom of the oven (position in solid lines on the Figure 2) and seal the oven.
- the used roller 3 to be removed then rests on its liftable buffer 18 in the high position, this liftable buffer further ensuring the sealing of the opening of the hearth of the furnace during this phase evacuation of the roller 3.
- the bearings of the roller 3 are then disassembled then the latter is released from the slots 11 provided in its support flanges 1.
- the actuator system 20 is then actuated so as to lower the roller 3 supported by the pad 18, which releases this roller from its flanges 1.
- the used roller is then evacuated outside using the carriage 21 and removed by example using an overhead crane.
- the new roller is therefore positioned on the pad 18 and the carriage is moved 21 along its track 23 so as to bring the roller supported by the pad 18 below the position of the flanges 1 intended to support it.
- the actuator system 20 is then actuated in order to raise the buffer 20 to bring the bearings of the new roller engaged in the slots or radial slots 11 provided in the flanges 1.
- This new roller is ready to be put into service when it has to be swapped with roller 4 currently in service.
- the dashed lines show the rotational movements of the flanges 1 and 2 which are generated during this operation swap at the end of which the new roller positioned on the flanges 1 is put into service and the roller 4, which is then the used roller, is then discharged as described above.
- stamp central 16 can be realized in two independent parts, movable separately, by example using separate cylinders.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Tunnel Furnaces (AREA)
- Closing Of Containers (AREA)
Description
- deux paires de flasques latéraux, montés respectivement à rotation sur un arbre tourillonnant dans le châssis du four, chaque paire de flasques recevant un rouleau de support de bande par l'intermédiaire de moyens de fixation amovibles ;
- des moyens d'entraínement desdites paires de flasques latéraux assurant la synchronisation de leur déplacement angulaire lors des opérations de permutation ;
- un tampon central pourvu de moyens de relevage conçu de façon à réaliser l'obturation de l'ouverture prévue dans la sole du four en vue d'effectuer les opérations d'évacuation d'un rouleau, de l'enceinte du four, vers l'extérieur, à l'issue d'une opération de permutation ;
- deux tampons relevables, un pour chaque rouleau support, pouvant être déplacés,
par exemple à l'aide d'un système de vérins selon un mouvement de translation
vertical pour respectivement :
- assurer l'étanchéité de l'ouverture prévue dans la sole du four lors de la phase de permutation de rouleaux ;
- assurer le support des rouleaux lors du démontage des paliers de rouleaux pour enlever le rouleau hors service des flasques correspondants et,
- réaliser la descente du rouleau hors service afin de le dégager de ses flasques ;
- deux chariots mobiles transversalement à l'axe du four sur lesquels sont respectivement montés lesdits tampons relevables et leur système de relevage, lesdits chariots se déplaçant le long de voies de roulement de manière à assurer le déplacement du rouleau hors service hors du four pour son évacuation hors du four et la mise en place d'un rouleau neuf et,
- un groupe d'entraínement pour chacun des rouleaux supports, de manière à réaliser une rotation de chaque rouleau synchronisée avec la vitesse de défilement de la bande.
- La figure 1 est une vue schématique représentant en perspective le dispositif selon la présente invention ;
- La figure 2 est une vue en élévation frontale du dispositif selon l'invention et,
- La figure 3 est une vue en coupe selon III-III de la figure 2.
- assurer l'étanchéité de l'ouverture prévue dans la sole du four lors des opérations de permutation de rouleau support ;
- supporter un nouveau rouleau devant être positionné sur ses flasques latéraux lors d'un remplacement de rouleau ou supporter un rouleau usagé afin de permettre le démontage de ses paliers avant son évacuation, après une opération de permutation et,
- assurer la descente du rouleau usagé pour le dégager de ses flasques de support ou assurer la montée d'un rouleau neuf pour engager ses paliers sur les lumères ou fentes prévues à cet effet sur ses flasques de support.
Claims (10)
- Dispositif destiné à assurer le remplacement d'un rouleau support d'une bande, notamment une bande d'acier, défilant en continu dans un four de traitement thermique, sans interruption du processus de traitement, par permutation avec un second rouleau, identique, disposé en position d'attente, ladite bande étant toujours supportée par au moins l'un desdits rouleaux lors des opérations de permutation, ce dispositif étant caractérisé en ce qu'il comprend :deux paires de flasques latéraux (1,2), montés respectivement à rotation sur un arbre (5, 6) tourillonnant dans le châssis du four, chaque paire de flasques recevant un rouleau (3,4) de support de bande par l'intermédiaire de moyens de fixation amovibles (13, 14).des moyens d'entraínement (8, 9) desdites paires de flasques latéraux assurant la synchronisation de leur déplacement angulaire lors des opérations de permutation ;un tampon central (16) pourvu de moyens de relevage (17) conçu de façon à réaliser l'obturation de l'ouverture prévue dans la sole du four en vue d'effectuer les opérations d'évacuation d'un rouleau, de l'enceinte du four, vers l'extérieur, à l'issue d'une opération de permutation ;deux tampons relevables (18, 19), un pour chaque rouleau support, pouvant être déplacés selon un mouvement de translation vertical pour respectivement :assurer l'étanchéité de l'ouverture prévue dans la sole du four lors de la phase de permutation de rouleaux ;assurer le support des rouleaux lors du démontage des paliers de rouleaux pour enlever le rouleau hors service des flasques correspondants et,réaliser la descente du rouleau hors service afin de le dégager de ses flasques ;deux chariots (21, 22) mobiles transversalement à l'axe du four sur lesquels sont respectivement montés lesdits tampons relevables (18, 19) et leur système de relevage, lesdits chariots se déplaçant le long de voies de roulement de manière à assurer le déplacement du rouleau hors service pour son évacuation hors du four et la mise en place d'un rouleau neuf et,un groupe d'entraínement pour chaque rouleau support (3,4), de manière à obtenir une rotation de chaque rouleau synchronisée avec la vitesse de défilement de la bande (B).
- Dispositif selon la revendication 1 caractérisé en ce que chacun desdits rouleaux supports (3,4) est pourvu des moyens de refroidissement.
- Dispositif selon la revendication 2 caractérisé en ce que lesdits moyens de refroidissement sont conçus de manière à assurer en outre un refroidissement rapide desdits rouleaux, en position basse, lors de leur évacuation après les opérations de permutation.
- Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que chaque rouleau support (3,4) est monté sur ses flasques (1,2) par l'intermédiaire d'une lumière ou fente radiale (11, 12) prévue sur chacun desdits flasques en vue de recevoir le palier support de rouleau correspondant.
- Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que les moyens assurant la fixation amovible de chaque rouleau support (3, 4) sur ses flasques (1,2) sont réalisés sous la forme de contre plaques (13, 14) sur lesquelles sont montés respectivement les paliers desdits rouleaux, ces contre plaques étant vissées sur lesdits flasques.
- Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que l'axe (5,6) sur lequel tourillonne respectivement chacun desdits flasques (1,2) est refroidi à l'eau.
- Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que l'axe (5, 6) sur lequel tourillonne respectivement chacun desdits flasques (1, 2) est protégé par un garnissage en un matériau réfractaire.
- Dispositif selon la revendication 7 caractérisé en ce que ledit garnissage est réalisé sous la forme d'un assemblage de fibres céramiques comprimées (7).
- Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que les moyens assurant les mouvements de montée et descente d'une part, des tampons (18,19) et du tampon central (16) sont réalisés sous la forme de systèmes de vérins (20, 17).
- Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que ledit tampon central est réalisé en deux parties pourvues chacune de moyens de déplacement permettant d'assurer leur relevage séparément l'une de l'autre, lors des opérations de permutation de rouleaux.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9702365 | 1997-02-27 | ||
FR9702365A FR2760077B1 (fr) | 1997-02-27 | 1997-02-27 | Dispositif pour assurer le remplacement d'un rouleau support de bande dans un four de traitement thermique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0862033A1 EP0862033A1 (fr) | 1998-09-02 |
EP0862033B1 true EP0862033B1 (fr) | 2002-11-13 |
Family
ID=9504256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98400333A Expired - Lifetime EP0862033B1 (fr) | 1997-02-27 | 1998-02-12 | Dispositif pour assurer le remplacement d'un rouleau support de bande dans un four de traitement thermique |
Country Status (6)
Country | Link |
---|---|
US (1) | US5938431A (fr) |
EP (1) | EP0862033B1 (fr) |
JP (1) | JPH10306323A (fr) |
DE (2) | DE69809312T2 (fr) |
ES (1) | ES2119734T3 (fr) |
FR (1) | FR2760077B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110494572A (zh) * | 2017-04-13 | 2019-11-22 | 杰富意钢铁株式会社 | 密封装置 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1010971C2 (nl) * | 1999-01-06 | 2000-07-07 | Thermtec B V | Bandgeleidingsinrichting met koelmiddelen. |
FI109363B (fi) * | 1999-08-04 | 2002-07-15 | Outokumpu Oy | Laite käsiteltävän materiaalin kannattamiseksi jatkuvatoimisissa lämpökäsittelyuuneissa |
JP4564197B2 (ja) * | 2001-03-27 | 2010-10-20 | 中外炉工業株式会社 | カテナリー型連続熱処理炉用ロール取替え装置 |
JP4514019B2 (ja) * | 2003-12-02 | 2010-07-28 | 株式会社不二越 | ハースローラ装置及びローラハース炉 |
JP5038386B2 (ja) * | 2009-12-18 | 2012-10-03 | 中外炉工業株式会社 | カテナリ型炉 |
DE102011079771B4 (de) | 2011-07-25 | 2016-12-01 | Ebner Industrieofenbau Gmbh | Rollenwechselvorrichtung und Verfahren zum Wechseln einer Rolle für Öfen |
CN109926895B (zh) * | 2019-02-28 | 2021-03-09 | 北京首钢股份有限公司 | 一种退火炉内炉辊在线修磨控制方法和装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4049372A (en) * | 1976-05-04 | 1977-09-20 | Allegheny Ludlum Industries, Inc. | Apparatus for supporting and removing a work supporting roll |
DE3004805C2 (de) * | 1980-02-09 | 1981-12-10 | Sundwiger Eisenhütte Maschinenfabrik Grah & Co, 5870 Hemer | Verfahren und Vorrichtung zum Auswechseln von Tragrollen in Rollenherd-Durchlaufglühöfen |
DE3230115A1 (de) * | 1982-08-13 | 1984-02-16 | Ruhrgas Ag, 4300 Essen | Verfahren zum auswechseln der rollen eines durchlauf-rollenherdofens sowie ofen zum durchfuehren des verfahrens |
FI67726C (fi) * | 1983-01-27 | 1985-05-10 | Outokumpu Oy | Anordning foer uppbaerande av foer behandling avsett material vid kontinuerligt arbetande vaermebehandlingsugnar |
DE3735542A1 (de) * | 1987-10-21 | 1989-05-03 | Zimmermann & Jansen Gmbh | Rollengang fuer den abtransport von flachglas |
-
1997
- 1997-02-27 FR FR9702365A patent/FR2760077B1/fr not_active Expired - Lifetime
-
1998
- 1998-02-12 DE DE69809312T patent/DE69809312T2/de not_active Expired - Lifetime
- 1998-02-12 ES ES98400333T patent/ES2119734T3/es not_active Expired - Lifetime
- 1998-02-12 DE DE0862033T patent/DE862033T1/de active Pending
- 1998-02-12 EP EP98400333A patent/EP0862033B1/fr not_active Expired - Lifetime
- 1998-02-26 US US09/030,960 patent/US5938431A/en not_active Expired - Lifetime
- 1998-02-27 JP JP10046640A patent/JPH10306323A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110494572A (zh) * | 2017-04-13 | 2019-11-22 | 杰富意钢铁株式会社 | 密封装置 |
US11401575B2 (en) | 2017-04-13 | 2022-08-02 | Jfe Steel Corporation | Sealing device |
Also Published As
Publication number | Publication date |
---|---|
FR2760077A1 (fr) | 1998-08-28 |
FR2760077B1 (fr) | 1999-04-30 |
DE69809312D1 (de) | 2002-12-19 |
DE69809312T2 (de) | 2003-09-04 |
EP0862033A1 (fr) | 1998-09-02 |
ES2119734T1 (es) | 1998-10-16 |
DE862033T1 (de) | 1999-05-06 |
JPH10306323A (ja) | 1998-11-17 |
US5938431A (en) | 1999-08-17 |
ES2119734T3 (es) | 2003-03-01 |
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