WO2010063468A1 - Dispositif et procédé de nettoyage de rouleaux et/ou cylindres dans des installations de coulée, laminoirs ou lignes de fabrication de bande - Google Patents

Dispositif et procédé de nettoyage de rouleaux et/ou cylindres dans des installations de coulée, laminoirs ou lignes de fabrication de bande Download PDF

Info

Publication number
WO2010063468A1
WO2010063468A1 PCT/EP2009/008627 EP2009008627W WO2010063468A1 WO 2010063468 A1 WO2010063468 A1 WO 2010063468A1 EP 2009008627 W EP2009008627 W EP 2009008627W WO 2010063468 A1 WO2010063468 A1 WO 2010063468A1
Authority
WO
WIPO (PCT)
Prior art keywords
roller
roll
nozzle
sound insulation
cleaning
Prior art date
Application number
PCT/EP2009/008627
Other languages
German (de)
English (en)
Inventor
Andreas Gramer
Hartmut Pawelski
Dietrich Mathweis
Hans-Peter Richter
Original Assignee
Sms Siemag Ag
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 Sms Siemag Ag filed Critical Sms Siemag Ag
Publication of WO2010063468A1 publication Critical patent/WO2010063468A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/003—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods using material which dissolves or changes phase after the treatment, e.g. ice, CO2
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/18—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C5/00—Devices or accessories for generating abrasive blasts
    • B24C5/005—Vibratory devices, e.g. for generating abrasive blasts by ultrasonic vibrations

Definitions

  • the invention is in the field of cleaning rolls and / or rolls in casting plants, rolling mills or strip processing lines by means of liquid and / or solid carbon dioxide, wherein at least one nozzle is used for applying the carbon dioxide to the surface of a roll.
  • the disadvantage of such a system is the noise level occurring during the cleaning, which can be, for example, at values of more than 10OdB (A), so that such a system for cleaning rollers and / or rollers of casting plants or rolling mills for reasons of occupational safety is not can be used.
  • the publication WO 2006/039947 A1 shows a jet nozzle with which the cleaning takes place, for example, with dry ice and compressed air. This application aims to reduce the noise during cleaning by means of CO 2 . This should be achieved by a special arrangement and management of the individual outlet channels.
  • Such a system can not be used for cleaning rolls and / or rollers in casting plants, rolling mills or strip processing lines, since such a device can not reach a satisfactory, non-harmful noise level, as in large industrial plants, in particular for cleaning rolls and / rolling in casting plants, rolling mills or strip processing lines is required.
  • the invention initially comprises a device for cleaning rolls and / or rolls in casting plants, rolling mills or strip processing lines by means of a cleaning agent, for.
  • a cleaning agent for.
  • Liquid and / or particulate carbon dioxide which comprises at least one nozzle for applying the cleaning agent to the surface of a roll or similar surfaces
  • the device comprising a soundproof housing, within which at least one nozzle is arranged and the soundproof housing has an opening for a passage of the cleaning agent on the surface of the roll or roller and that the contour of the edge of the opening is adapted to the shape of the roller or roller surface so that a possibly existing gap between the edge of the opening and the roller or Roll surface is minimal.
  • Said device can effectively reduce the noise level occurring during cleaning. This is especially possible because the special device, i. H. the soundproof housing, the known surface shape, for example, a roller or roller is designed accordingly and employed on this surface.
  • the special device i. H. the soundproof housing
  • the known surface shape for example, a roller or roller is designed accordingly and employed on this surface.
  • Such an advantageous embodiment of a device was not possible in the prior art, since the known devices and methods should always be functional for very different shaped components, so that, for example, a sound insulation housing, as it is present invention, was out of the question.
  • the edge of the opening in the side area of the soundproof housing is curved in a plane perpendicular to the longitudinal axis along the roller surface complementary to the shape of the roller surface.
  • the soundproof housing comprises at least one, preferably two pivotable parts, comparable to the two shells of an excavator bucket, which are connected to one another by an axle about which the two parts are pivotable, wherein the pivotable parts in the open state Open the opening and are suitable for applying to the surface of the roll.
  • the two pivotable parts of the soundproof housing are U-shaped.
  • the pivotable parts allow the device to be more accurately positioned against the surface of a roll, thereby enabling better soundproofing.
  • the device comprises means for suction, so that, for example, dirt removed from the roll or roller can be sucked off.
  • the device comprises a first adjusting device, which is designed such that the soundproof housing or optionally at least the pivotable parts can be adjusted to the surface of the roller or movable away from the surface and / or parallel to the longitudinal axis of the roller or roller are adjustable.
  • the device comprises a second adjusting device for adjusting the at least one NEN nozzle in its position perpendicular and / or parallel to the roll surface and / or at an angle to this, relative to the sound insulation housing.
  • sealing elements for closing the gap between the roller surface and the sound insulation housing or the roller surface and pivotable parts are arranged on the sound insulation housing, in particular on the edge of the pivotable parts.
  • the sealing elements are formed of a soft, elastic material.
  • the elasticity of the sealing element offers the advantage of a flexible adaptation to unevenness of the roller or roller surface and minimizes the possible occurrence of damage to the roller or roller surfaces.
  • the device comprises a plurality of nozzles, which are arranged in the sound insulation housing.
  • the cleaning surface can be increased. It is also conceivable, depending on the application, that some of the nozzles are switched on or off. In a further preferred embodiment of the device, heating conductors and / or means for ultrasound generation are mounted on the nozzle and device surfaces.
  • Such means have the task, with or without existing suction, to minimize the risk of icing of nozzles and equipment.
  • the invention comprises a method for cleaning rolls and / or rolls in casting plants, rolling mills or strip processing lines, by means of liquid and / or festförmfförmigen carbon dioxide by a device comprising at least one nozzle, wherein the carbon dioxide for cleaning the roll or by the A nozzle is applied to the surface of the roll or roller, wherein the device comprises a soundproof housing and the at least one nozzle is arranged in the soundproof housing and the soundproof housing corresponds to the shape of the roller surface and the soundproof housing for cleaning the roller is positioned at a minimum distance to the roller or roller.
  • the soundproof housing comprises pivotable parts, which are placed against the surface of the roll or roller to be cleaned.
  • the sound insulation housing comprises an exhaust device, are sucked through the gases or contaminants within the Schallschutzeinhausung.
  • the at least one nozzle is moved perpendicular to the roller or roller surface and / or parallel to the longitudinal axis traversing and / or at an angle to the roller or roller surface, relative to the Schallschutzeinhausung.
  • the soundproofing housing together with the at least one nozzle is traversingly moved along the longitudinal axis of the roller or roller in order to clean the roller or roller along its longitudinal axis.
  • the movement or adjustment speed of the soundproof housing along the longitudinal axis of the roller or roller is adjusted in accordance with the peripheral speed of the roller so that the surface of the rotating roller or roller is completely cleaned without resulting in spiral-shaped, clean tracks on the surface.
  • the carbon dioxide is applied in the form of pellets, snow, granules or even liquid and optionally with or without the aid of compressed air to the surface of the roll or roller.
  • the method is carried out during the operation of the caster, the rolling train or the other belt process.
  • the operating parameters of the device are determined via a set value table, or involving a process model using measured or predefined process parameters, or in a closed loop using on-line measurement data with or without inclusion of a process model.
  • FIG. 1 shows a schematic cross-section of an exemplary embodiment of the device according to the invention, including nozzle and soundproofing housing, on the surface of a roll or roller;
  • FIG. 2 shows a schematic cross-section of a further embodiment of the device according to the invention, including the nozzle and soundproofing housing on the surface of a roll or roller
  • the inventive device 1 shown in Figure 1 consists essentially of a sound insulation housing 4, in which at least one nozzle 3 is arranged. Through an opening in the soundproofing cleaning reaches a cleaning medium, eg. B. CO 2 on the surface to be cleaned a roll or roller.
  • the sound insulation housing 4 is with its opening under minimal Distance adjustable against the surface of the roller 2.
  • seals 5 are located at the edge of the opening, which further insulate the sound that occurs during cleaning by means of the device 1.
  • These, optionally, for example, soft, elastic, sealing elements 5 are not mandatory.
  • the apparatus 1 is approximated to the rotating roller surface. It is important that the structure of the roller or roller surface is not damaged / changed by the employed soundproofing device; therefore the smallest possible distance is advantageous.
  • This minimum distance is basically also to be maintained between the sealing elements and the roll surface. Only if it is ensured that the structure of the roll surface is not changed by the sealing elements, these can also be made without clearance, preferably with low pressure, against the roller or roller surface.
  • the at least one nozzle 3 can be operated on the one hand with liquid CO 2 , which is atomized via the at least one nozzle 3, whereby dry snow forms, in the form of snow or granules or in the form of particles with or without use compressed air on the rollers - Or roller surface meets.
  • liquid CO 2 can also be applied directly to the rollers or roller surface.
  • CO 2 pellets prepared according to known processes for cleaning which are sprayed onto the roll or roll surface with the addition of compressed air. The cleaning effect has already been explained in more detail above in the text.
  • CO 2 can also be applied liquid or only partially crystallized on the surface to be cleaned.
  • the width of the device 1 according to the invention in the longitudinal direction of the roller or roll bale 2 can be limited to a fraction of the length of the roller or roll bale 2.
  • the device 1 can then be moved for cleaning along the roll or bale roll 2 at a speed which is chosen in particular such that the cleaned webs of the roll or roll bale 2, despite being in the direction of the longitudinal axis of the Roll or roll 2 changing extent, overlap.
  • the distance of the device 1 and in particular the distance of the soundproof hood 4 to the roller or roller 2 is adjusted according to the diameter of the roller or roller 2 and kept to a minimum.
  • the at least one nozzle 3 can be designed such that the distance of the at least one nozzle 3 relative to the soundproofing hood 4 can be changed. This means that the at least one nozzle 3 can be displaced inside the soundproof hood 4 in the direction of the rollers or roller surface. By approaching the at least one nozzle 3 to the rollers or roller surface so particularly stubborn dirt is better or faster replaced, since the pressure of the detergent increases, the cleaning surface smaller and thus the cleaning effect is increased.
  • Such distances of the at least one nozzle 3 to the roller or roller surface can be, for example, between 150-200 mm or even only up to a few millimeters in size.
  • the at least one nozzle 3 from the roll surface, for example, to a distance of, for example, 250-300mm, thereby increasing the spray area of the at least one nozzle 3 on the roll surface 2 and the entire Rollential. Roll surface 2 can be cleaned faster, this speed of cleaning the entire surface still meets normal operating requirements.
  • the cleaning can be done continuously or in cycles and in particular also in online operation, ie during operation of the rollers 2 or rollers 2.
  • the device 1 is provided with a suction device (not shown) which is arranged inside the sound insulation housing 4.
  • a suction device (not shown) which is arranged inside the sound insulation housing 4.
  • it may also be just a connection / trunk for a suction device, which is arranged externally to the device 1.
  • all gases, such as CO 2 , compressed air or the room air can be sucked off.
  • this reduces the proportion of room air within the sound insulation housing 4, as a result of which less air humidity exists more below the sound insulation housing 4, so that icing of the at least one nozzle 3 is counteracted.
  • This effect is only possible in this effectiveness by the inventive design of the sound insulation housing 4. In the case of injected compressed air, for example, beyond the humidity of the compressed air can be lowered before.
  • heating means such as heating conductors
  • means for generating ultrasound may optionally be attached to the at least one nozzle 3 (not shown).
  • Such agents serve to dissolve or detach a possibly still forming ice layer.
  • the rolls 2 may be, in particular, skin-pass rolls, work rolls or back-up rolls.
  • the sound insulation housing or cover or hood is formed in several parts.
  • Such an arrangement can be of advantage especially if the device V is used in rolls whose diameters vary, for example, along the longitudinal axis of the roll or by regrinding can. For example between 450mm and 400mm or between 650mm and 600mm.
  • the soundproof housing is implemented in several parts as shown in FIG. 2, it can be adapted to a changing roller diameter or also be used for different rollers or rollers 2 with different circumference.
  • the device V comprises, in particular, two parts or segments 6 'and 7', which are mounted rotatably about an axis 8 '.
  • the surface of the parts 6 'and 7' is adapted to the surface shape of a roll 2 ', that is, curved according to the surface of the roll 2'.
  • the radius of curvature of the parts 6 'and T can correspond to an average value between the largest and the smallest rolling radius respectively occurring. That is, for example, with a minimum radius of the rolls of 200mm and a maximum radius of the rolls of 325mm, the radius of the parts 6 'and T of the casing may be about 263mm.
  • the person skilled in the art can thus determine the curvature of the radius or of the circular segment of the surface of the soundproof hood.
  • the center of this radius is preferably on the axis of rotation of the roller.
  • pivotable parts 6 'and T At the respective edge of the pivotable parts 6 'and T are sealing elements 5' pointing in the direction of the roller attached.
  • the pivotable parts 6 'and T can be adjusted with the sealing elements 5' by a pivoting / rotating movement against the rollers or rollers. Similar to the function of excavator buckets, the pivotable parts can rest on the surface of the roll when opened.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

L'invention concerne tant un dispositif qu'un procédé de nettoyage de rouleaux et/ou cylindres, notamment dans des installations de coulée, laminoirs ou lignes de fabrication de bandes au moyen de dioxyde de carbone liquide ou solide, le dispositif comprenant au moins une buse 3, 3' pour amener le dioxyde de carbone sur la surface d'un rouleau ou cylindre 2, 2' et une enceinte d'isolation acoustique 4, 6', 7' à l'intérieur de laquelle cette buse 3, 3' est disposée et l'enceinte d'isolation acoustique 4, 6', 7' correspondant dans sa forme à la forme de la surface de rouleau ou de cylindre de sorte qu'une fente entre l'enceinte d'isolation acoustique 4, 6', 7' et la surface de rouleau ou de cylindre peut être réduite et que du bruit se produisant pendant le nettoyage peut ainsi être efficacement amorti. Dans une forme de réalisation préférée, l'enceinte d'isolation acoustique 4, 6', 7' comprend des parties pivotantes 6', 7' grâce auxquelles le dispositif et le procédé peuvent être utilisés pour des diamètres de rouleau ou de cylindre très différents.
PCT/EP2009/008627 2008-12-03 2009-12-03 Dispositif et procédé de nettoyage de rouleaux et/ou cylindres dans des installations de coulée, laminoirs ou lignes de fabrication de bande WO2010063468A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102008060138 2008-12-03
DE102008060138.1 2008-12-03
DE102009043033.4 2009-09-25
DE102009043033A DE102009043033A1 (de) 2008-12-03 2009-09-25 Vorrichtung und Verfahren zur Reinigung von Rollen und/oder Walzen in Gießanlagen, Walzwerken oder Bandprozesslinien

Publications (1)

Publication Number Publication Date
WO2010063468A1 true WO2010063468A1 (fr) 2010-06-10

Family

ID=42145786

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/008627 WO2010063468A1 (fr) 2008-12-03 2009-12-03 Dispositif et procédé de nettoyage de rouleaux et/ou cylindres dans des installations de coulée, laminoirs ou lignes de fabrication de bande

Country Status (3)

Country Link
DE (1) DE102009043033A1 (fr)
TW (1) TW201028219A (fr)
WO (1) WO2010063468A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20111110A1 (it) * 2011-06-20 2012-12-21 Christian Fappiano Apparecchiatura per la pulizia di cilindri rotanti, particolarmente per macchine da stampa.
DE102011052771A1 (de) * 2011-08-17 2013-02-21 Nordenia Deutschland Gronau Gmbh Verfahren und Vorrichtung zur Entfernung von Verschmutzungen auf profilierten Oberflächen ineinander greifender Streckwalzen
DE202014006663U1 (de) * 2014-08-16 2014-10-07 Winfried Wulf Reinigung der Glas-Transportrollen bei der Floatglasherstellung in einem Rollenkühlofen

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61236472A (ja) * 1985-04-11 1986-10-21 Ishikawajima Harima Heavy Ind Co Ltd 氷粒ブラスト装置
US5085016A (en) * 1990-01-26 1992-02-04 E. B. Thomas Method and apparatus for cleaning pipe
US5385095A (en) * 1992-02-28 1995-01-31 Baldwin-Gegenheimer Gmbh Cleaning apparatus for a cylinder of a rotary printing machine
EP0747217A2 (fr) * 1995-06-06 1996-12-11 MAN Roland Druckmaschinen AG Procédé et dispositif pour nettoyer un cylindre d'une machine à imprimer rotative
US5782253A (en) * 1991-12-24 1998-07-21 Mcdonnell Douglas Corporation System for removing a coating from a substrate
WO2000067928A2 (fr) * 1999-05-07 2000-11-16 Berndorf Band Gesmbh Dispositif comportant au moins une bande d'acier sans fin, et procede pour soumettre a une contrainte thermique des matieres plastiques
DE19936698C1 (de) * 1999-08-04 2000-12-21 Continental Ag Vorrichtung zur Reinigung von Vulkanisationsformen
US20050132913A1 (en) * 2003-12-19 2005-06-23 Man Roland Druckmaschinen Ag Apparatus for cleaning rolls, cylinders and printing forms

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7484670B2 (en) 2002-09-20 2009-02-03 Jens Werner Kipp Blasting method and apparatus
DE102004049797A1 (de) 2004-10-12 2006-04-13 Kipp, Jens-Werner Verfahren und Vorrichtung zur Geräuschreduzierung von Strahldüsen

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61236472A (ja) * 1985-04-11 1986-10-21 Ishikawajima Harima Heavy Ind Co Ltd 氷粒ブラスト装置
US5085016A (en) * 1990-01-26 1992-02-04 E. B. Thomas Method and apparatus for cleaning pipe
US5782253A (en) * 1991-12-24 1998-07-21 Mcdonnell Douglas Corporation System for removing a coating from a substrate
US5385095A (en) * 1992-02-28 1995-01-31 Baldwin-Gegenheimer Gmbh Cleaning apparatus for a cylinder of a rotary printing machine
EP0747217A2 (fr) * 1995-06-06 1996-12-11 MAN Roland Druckmaschinen AG Procédé et dispositif pour nettoyer un cylindre d'une machine à imprimer rotative
WO2000067928A2 (fr) * 1999-05-07 2000-11-16 Berndorf Band Gesmbh Dispositif comportant au moins une bande d'acier sans fin, et procede pour soumettre a une contrainte thermique des matieres plastiques
DE19936698C1 (de) * 1999-08-04 2000-12-21 Continental Ag Vorrichtung zur Reinigung von Vulkanisationsformen
US20050132913A1 (en) * 2003-12-19 2005-06-23 Man Roland Druckmaschinen Ag Apparatus for cleaning rolls, cylinders and printing forms

Also Published As

Publication number Publication date
TW201028219A (en) 2010-08-01
DE102009043033A1 (de) 2010-06-10

Similar Documents

Publication Publication Date Title
EP0765696B1 (fr) Dispositif pour maintenir à sec un feuillard laminé à froid à la sortie d'installations de laminage à froid de bandes
EP2460624A1 (fr) Dispositif de ponçage pour le ponçage mécanique de lames de rotor pour éoliennes
DE19535557B4 (de) Verfahren und Vorrichtung zum Reinigen einer Innenwandung einer Form mittels Trockeneis
EP2846940B1 (fr) Dispositif de refroidissement de cylindres
DE2843449A1 (de) Verfahren und vorrichtung zum entfernen oder dosiertem vermindern adhaesiver fluessigkeitsfilme auf harten oberflaechen
DE202013012025U1 (de) Walzvorrichtung und Verwendung eines Konditionierwerkzeugs in einem Verfahren zur Konditionierung einer Walzenoberfläche
WO2010063468A1 (fr) Dispositif et procédé de nettoyage de rouleaux et/ou cylindres dans des installations de coulée, laminoirs ou lignes de fabrication de bande
WO2004042143A1 (fr) Dispositif de retenue de lame de racloir
EP1900449A1 (fr) Poutre de pulvérisation d'une installation de décalaminage hydraulique et procédé de fonctionnement d'une telle poutre de pulvérisation
EP3017872B1 (fr) Dispositif de jet d'eau haute pression, dispositif de nettoyage de canal et procédé de jet d'eau haute pression
DE102010061115B4 (de) Vorrichtung zur Reinigung und Kühlung von Werkstücken
DE202014000026U1 (de) Vorrichtung zum Bearbeiten von Kanalwandungen mittels Hochdruck-Flüssigkeitsstrahlen
EP2099585A1 (fr) Dispositif et procédé pour grenailler la surface d'une pièce de turbine à gaz
EP1802406B2 (fr) Procede et dispositif pour nettoyer des cylindres
WO2015144631A1 (fr) Dispositif de nettoyage de rouleaux sans contact et procédé correspondant
DE4402744C2 (de) Vorrichtung zum Auftragen von Streichfarbe auf eine Faserstoffbahn
WO2003022525A2 (fr) Procede et dispositif de decapage
DE102019108022A1 (de) Vorrichtung zur Farbauftragung auf eine Wand
DE102004006629B3 (de) Vorrichtung zum Reinigen der Oberfläche von zylindrischen Körpern, wie Walzen oder Rollen
DE102010016038B4 (de) Vorrichtung und Verfahren zur Reinigung und Kühlung von Werkstücken
DE102013100754A1 (de) Vorrichtung und Verfahren zum Schleifen mindestens eines an einer Messertrommel angeordneten und umlaufend angetriebenen Trennmessers
EP1391554A2 (fr) Dispositif d'enduction
DE102017111173B4 (de) Vorrichtung zum kontinuierlichen Aufbringen eines Trennmittels auf ein umlaufendes Band
DE102011009626A1 (de) Vorrichtung zum Reinigen von Oberflächen von Gegenständen
DE69927504T2 (de) Spritzreiniger für die innere oberfläche einer rohrleitung

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09764732

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 09764732

Country of ref document: EP

Kind code of ref document: A1