EP0818574A2 - Dispositif de nettoyage - Google Patents

Dispositif de nettoyage Download PDF

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Publication number
EP0818574A2
EP0818574A2 EP97106506A EP97106506A EP0818574A2 EP 0818574 A2 EP0818574 A2 EP 0818574A2 EP 97106506 A EP97106506 A EP 97106506A EP 97106506 A EP97106506 A EP 97106506A EP 0818574 A2 EP0818574 A2 EP 0818574A2
Authority
EP
European Patent Office
Prior art keywords
roller
cleaning
cleaning device
nozzle
pressure
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.)
Granted
Application number
EP97106506A
Other languages
German (de)
English (en)
Other versions
EP0818574B1 (fr
EP0818574A3 (fr
Inventor
Karl Josef Boeck
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.)
Voith Patent GmbH
Original Assignee
Voith Sulzer Papiermaschinen GmbH
Voith Sulzer Papiertechnik Patent GmbH
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 Voith Sulzer Papiermaschinen GmbH, Voith Sulzer Papiertechnik Patent GmbH filed Critical Voith Sulzer Papiermaschinen GmbH
Publication of EP0818574A2 publication Critical patent/EP0818574A2/fr
Publication of EP0818574A3 publication Critical patent/EP0818574A3/fr
Application granted granted Critical
Publication of EP0818574B1 publication Critical patent/EP0818574B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/022—Cleaning travelling work
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G3/00—Doctors

Definitions

  • the invention relates to a cleaning device for cleaning a roller in a paper machine, with an injection device for spraying the roller with a cleaning medium and a Device for removing the cleaning medium from the Roller surface.
  • rollers are used in a paper machine, that come into contact with the paper web. In the course of operation these are contaminated in the paper machine, for example with paper fibers, adhesives or other additives added.
  • the pores of ceramic rollers can also coalesce Filler, e.g. with calcium carbonate.
  • rollers must therefore be used during the operation of the paper machine are constantly cleaned. This is usually done used two scrapers arranged one behind the other, between which liquid is sprayed onto the roller surface.
  • the object of the invention is therefore a cleaning device for cleaning a roller in a paper machine to create with an improved cleaning effect too can be achieved if the roller is very dirty.
  • this object is achieved in that Cleaning device according to the type mentioned Spraying device as a high-pressure spraying device with a Working pressure of at least 10 bar is formed.
  • the device according to the invention can be particularly advantageous for cleaning smooth rollers, such as ceramic or Use granite rollers that are particularly vulnerable to Soiling e.g. due to the deposit of calcium carbonate exhibit.
  • the high pressure spray device itself can be more preferred Further development of the invention either at least one needle jet spray tube or comprise at least one high pressure rotary nozzle.
  • the high-pressure spray device comprises at least one needle spray tube, parallel to the Longitudinal axis of the roller is arranged and a plurality of High pressure needle nozzles included, which are in the longitudinal direction of the roller are distributed.
  • the High-pressure spray device at least one needle jet spray tube with a plurality of one behind the other in the direction of rotation of the roller arranged high pressure needle nozzles, which on a traversing trolley is arranged, back and forth in the longitudinal direction of the roller is traversable.
  • the traversing trolley can cover a large area Cleaning effect can be achieved, so that even with relative the entire roller surface with just a few high pressure needle nozzles can be cleaned.
  • the needle spray tube is preferably at a pressure of operated at least 40 bar in order to be particularly intensive To achieve cleaning effect.
  • the High-pressure injection device at least one rotary nozzle device, with a working pressure of at least 50 bar, preferably with a working pressure of about 100 to 250 bar, is operated.
  • At least a rotary nozzle device from one to the roll surface open suction cup enclosed by a vacuum is acted upon.
  • the suction cup is open on the roller surface Page suitably adapted to the shape of the roller surface and preferably by an elastic sheath or a Brush edge sealed against this.
  • the rotary nozzle device an axis of rotation that is opposite to the surface normal the roll surface is inclined.
  • the rotary nozzle device can a nozzle head with at least one cleaning nozzle have, against the axis of rotation of the rotary nozzle device is inclined.
  • the Rotary nozzle device a nozzle head with at least one Nozzle whose nozzle diameter is 0.1 mm to 0.8 mm, preferably 0.2 mm to 0.4 mm, in particular 0.2 mm to 0.4 mm.
  • a plurality of rotary nozzle devices in front of the roll surface arranged over the entire width of the roller.
  • the at least a rotary nozzle device is arranged on a traversing carriage, which can be traversed back and forth in the longitudinal direction of the roller is.
  • This measure has the advantage that the additional Superposition with the speed component of the back and forth moving traversing car further intensification of Cleaning effect is achieved. Furthermore, there are fewer Rotary nozzle devices required to cover the entire To clean the roller surface. This way, in addition the consumption of cleaning fluid can be restricted.
  • This flushing device is expediently used as a flat jet spray tube trained, which is parallel to the roller surface extends in the longitudinal direction of the roller.
  • the roller seen at least in front of the high-pressure spraying device a scraper arranged.
  • the means for removing the Cleaning medium at least one in the direction of rotation of the roller seen behind the high pressure sprayer or behind the Includes scraper arranged scraper.
  • a roller 1 is shown with a cleaning device 2 is equipped according to the state of the art.
  • the Roller 1 can be designed in particular as a ceramic or granite roller be those who are particularly susceptible to incrustation e.g. due to calcium carbonate.
  • the cleaning device 2 comprises a scraper bar 5 which a spray device 6 for spraying the roller 1 between one in the direction of rotation 7 of the roller 1 over the entire Roller width extending scraper 3 and a second, the Spray device 6 in the direction of rotation 7 downstream scraper 4 is arranged, which is also over the entire width of the roller extends.
  • Fig. 2 is a press section of a paper machine, the is shown schematically, overall with the number 10 designated.
  • a cleaning device according to the invention provided that is generally designated with the number 40.
  • a paper web 12 does not come from an upstream one shown screen section on one over different deflection rollers, only one of which is shown at 29 is guided felt 28 to a first press nip 14 by a lower shoe press roll 18 and an upper one Suction roll 20 is formed. Through the press nip 14 is also a lower press felt 27 is guided over deflection rollers 25, 26th circulates.
  • the paper web 12 becomes smooth Pass central roller 24, which are designed as a ceramic roller can and with a shoe press roll 22 forms a second press nip 16.
  • a shoe press roll 22 forms a second press nip 16.
  • Through the second press nip 16 is also a top felt 32 over two deflecting rollers 30, 31 guided.
  • the paper web 12 After leaving the second press nip 16, the paper web 12 removed from the roller 24 by means of a suction roller 33 and reaches a subsequent press nip or becomes immediate handed over to a subsequent dryer section.
  • the cleaning device according to the invention is for cleaning the roller 24 40 provided.
  • the cleaning device 40 comprises a first scraper 42, which is held on a scraper bar 45, obliquely against the Roll surface is adjusted and over the entire width the roller 24 extends.
  • Parallel to the scraper 42 is in Direction of rotation 23 of the roller 24 arranged downstream of a needle spray tube 46 provided that also extends over the entire Roller width and comprises a plurality of needle nozzles, as will be explained below with reference to FIG. 3.
  • the needle spray tube is at a pressure of at least 10 bar, preferably operated at a pressure of more than 40 bar and enables intensive through the numerous needle nozzles Cleaning the roller 24.
  • the needle spray tube 46 in the direction of rotation 23 a rinsing device is also arranged downstream of the roller 24, which is formed by a flat spray tube 48 is also parallel to the surface of the roller 24 extends over the entire width of the roller.
  • the flat spray wand 48 will start with a significantly larger throughput Cleaning fluid operated as via the needle spray tube 46 exits.
  • the flat jet spray tube 48 causes the suspension dirt particles previously loosened by the needle jet spray tube 46 reached, so that this is subsequently by a subordinate second scraper 44 slightly from the surface of roller 24 can be removed.
  • the second scraper 44 By the second scraper 44, the is also positioned obliquely against the roller surface, a dry roller surface is ensured and thus the formation of wet streaks on the paper web 12 is prevented.
  • the needle jet spray tube 46 comprises a plurality of needle nozzles 50, which are preferably somewhat obliquely opposite the Direction of rotation 23 are set against the roller surface.
  • the flat jet spray tube 48 comprises a plurality of flat jet nozzles 52, through the cleaning liquid onto the roller surface is rinsed.
  • the needle jet spray tube 46 is connected via a line 47 Cleaning liquid at a pressure of at least 10 bar, preferably supplied by more than 40 bar, while the flat jet spray pipe 48 only with a slight pressure, however is operated with a significantly larger flow.
  • Water is usually used as the cleaning liquid, where appropriate, in particular that of the needle spray tube 46 supplied cleaning liquid still the Cleaning effect-improving additives can be added.
  • FIGS. 2 and 3 are purely schematic and not the actual one Corresponds to size relationships. The same applies to the following figures with which modifications of the previously described Cleaning device will be explained.
  • roller 4 is a cleaning device for cleaning the Roller 24 designated overall by the number 70.
  • the cleaning device 70 in turn comprises a needle spray tube 76, the one upstream in the direction of rotation 23 first scraper 72 and a downstream scraper 74 is arranged.
  • the needle spray tube 76 is not parallel arranged to the roll surface, but extends in Direction of rotation 23 of the roller 24 over a curved area parallel to the roller surface. To nevertheless over the roller 24 To be able to clean their entire width is the needle spray tube 76 in a direction transverse to the direction of rotation 23 Roller 24 movably arranged on a traversing carriage 71.
  • the traversing carriage 71 is parallel on cross beams 77 led to the roller surface and is not shown by a Traverse motor with a predeterminable speed driven, the traversing speed usually can be in a range of about 0.3 m per minute.
  • FIG. 5 Another embodiment of the invention is illustrated in FIG. 5 described.
  • the high pressure sprayer is not through the needle nozzles of a needle spray tube but through formed at least one rotary nozzle device.
  • the cleaning device designated overall by the number 80 in the case shown includes a total of 86 designated rotary nozzle device with a suction cup 91 is combined and on a traversing carriage 81 across Roll surface can be moved back and forth across the entire width of the roll and to which a flat jet spray pipe 88 connects that parallel to the roll surface over the entire Roll width runs.
  • a scraper is arranged upstream of the roller 24 in the direction of rotation 23 82 is provided, which is held on a scraper beam 83 and is inclined against the roller surface.
  • the flat spray gun 88 is followed by a second scraper 84, which is held on a scraper bar 85 and also light set against the direction of rotation 23 on the roller surface is.
  • the rotary nozzle device 86 is via a high pressure line with a water pressure in the range between about 50 and 1,000 bar, preferably in the range of about 100 to 250 bar, supplied and has a nozzle head 96 which is tangential over one or more outflowing propelling nozzles in a rotational movement in the area from about 2,000 to 3,000 revolutions per minute.
  • the nozzle head 96 has one or more cleaning nozzles, through which the roller surface with a cleaning medium is applied.
  • the interior of the suction bell 91 is in flow with one Suction line 93 connected and forms one of the rotary nozzle device 86 assigned suction chamber 97.
  • the suction bell 91 on the side of the surface open to the roller surface adapted to the roller 24 and at its edges by a brush edge 95 or by an elastic sheath against the Sealed surface of the roller 24.
  • the rotary nozzle device 86 is with its axis of rotation 99 slightly oblique against the direction of rotation 23 compared to the Surface normals set on the roller surface.
  • the nozzle head 96 rotating rapidly in the direction of arrow 90 high pressure cleaning jets occur at different angles of attack towards the surface of roller 24, as by the arrows 92 is indicated.
  • Due to the inclination of the axis of rotation 99 is in connection with the back and forth traversing Movement of the traversing carriage 81 has a particularly strong cleaning effect reached. This will also add to this reinforces that the cleaning nozzles provided on the nozzle head 96 100 are inclined relative to the axis of rotation 99, such as will be clarified with reference to Figures 6 and 7.
  • the structure of the nozzle head 96 is now based on the figures 6 and 7 explained in more detail.
  • the nozzle head 96 is by means of a Bearing 98 rotatably held on a flange 105. Inside the Flange 105, a stationary nozzle feed line 101 is provided, which opens into a pressure chamber 106, whose walls 103 against the Sealing inside of a cylindrical component 102, however slidable.
  • the cylindrical member 102 has four openings arranged at an angle of 90 ° to each other.
  • In this nozzle inlets 104 are connected, which radially follow extend outside and in its end section by preferably 90 ° are bent, as can be seen in Fig. 7.
  • the nozzle feed lines 104 finally end in inclined cleaning nozzles 100, such as can be seen from Fig. 6.
  • the propellant nozzles also provided are not shown.
  • FIGS. 6 and 7 is only ever one of the nozzle feed lines 104 with pressure pressurized while the remaining nozzle feed lines 104 are depressurized are.
  • the pressure chamber 106 is now oriented so that the liquid jet one of the direction of rotation 23 of the roller 24 opposite Has speed component, so that the Cleaning effect is particularly high. So the nozzles whose liquid jet has a velocity component in Direction of rotation 23 of the roller 24 would have no pressure and thus deactivated to reduce water consumption.
  • the nozzle head 96 can also be pivoted with one or more mounted individual nozzles performing an oscillating movement be equipped, which during the traversing movement of the Nozzle head 96 sweep a band-shaped area of the roller 24.

Landscapes

  • Paper (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)
EP97106506A 1996-07-11 1997-04-19 Dispositif de nettoyage Expired - Lifetime EP0818574B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19627973A DE19627973A1 (de) 1996-07-11 1996-07-11 Reinigungsvorrichtung
DE19627973 1996-07-11

Publications (3)

Publication Number Publication Date
EP0818574A2 true EP0818574A2 (fr) 1998-01-14
EP0818574A3 EP0818574A3 (fr) 1999-01-20
EP0818574B1 EP0818574B1 (fr) 2003-03-19

Family

ID=7799563

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97106506A Expired - Lifetime EP0818574B1 (fr) 1996-07-11 1997-04-19 Dispositif de nettoyage

Country Status (4)

Country Link
US (1) US5964960A (fr)
EP (1) EP0818574B1 (fr)
CA (1) CA2208288A1 (fr)
DE (2) DE19627973A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1179631A1 (fr) * 2000-08-11 2002-02-13 Voith Paper Patent GmbH Dispositif de nettoyage et/ou de conditionnement
EP2127879A1 (fr) * 2008-05-27 2009-12-02 Fischer & Krecke GmbH Dispositif de nettoyage pour cylindre d'une presse d'impression rotative

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DE19810800A1 (de) * 1998-03-12 1999-09-16 Voith Sulzer Papiertech Patent Pressenanordnung
DE19822185A1 (de) * 1998-05-16 1999-11-18 Voith Sulzer Papiertech Patent Vorrichtung und Verfahren zum Reinigen eines Transportbandes
DE19901802B4 (de) * 1999-01-19 2004-02-12 Baldwin Germany Gmbh Vorrichtung zur Rückbefeuchtung einer getrockneten Papierbahn
US6630035B1 (en) * 1999-08-18 2003-10-07 Fuji Photo Film Co., Ltd. Cleaning unit for recording rotational drum and cleaning method
US6360758B1 (en) * 1999-09-10 2002-03-26 Metso Paper, Inc. Cleaning device in paper machines, board machines or other similar machines for cleaning a fabric, such as wire or felt
US6451126B1 (en) * 1999-10-05 2002-09-17 Walter Mattix Method for cleaning the machine frames of a pulp paper processing dryer
US6468397B1 (en) * 1999-12-20 2002-10-22 Kimberly-Clark Worldwide, Inc. Scarfing shower for fabric cleaning in a wet papermaking process
DE20013887U1 (de) * 2000-08-11 2000-10-26 Voith Sulzer Papiertechnik Patent GmbH, 89522 Heidenheim Konditionier- und/oder Reinigungsvorrichtung
DE10197007T1 (de) * 2000-12-08 2003-10-16 Metso Paper Karlstad Ab Karlst Verfahren und Vorrichtung zum Entfernen von Wasser von der Oberfläche eines Walzenmantels
FI115312B (fi) * 2001-02-14 2005-04-15 Metso Paper Inc Puhdistuslaitteisto paperin tai kartongin viimeistelylaitetta varten
DE10121679A1 (de) * 2001-05-04 2002-11-07 Voith Paper Patent Gmbh Verfahren und Vorrichtung zur Reinigung eines Wickelkerns einer Papier- oder Kartonmaschine
US7047852B2 (en) * 2001-10-24 2006-05-23 Kimberly-Clark Worldwide, Inc. Feedforward control system for an elastic material
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US7101832B2 (en) * 2003-06-19 2006-09-05 Johnsondiversey, Inc. Cleaners containing peroxide bleaching agents for cleaning paper making equipment and method
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DE102004006629B3 (de) * 2004-02-10 2005-11-17 Sundwig Gmbh Vorrichtung zum Reinigen der Oberfläche von zylindrischen Körpern, wie Walzen oder Rollen
DE102004028552A1 (de) * 2004-06-15 2006-01-05 Robo Paper B.V. Vorrichtung mit Waschdüsen und Verfahren zum Reinigen einer umlaufenden Auftragseinrichtung
US7077260B2 (en) * 2004-06-29 2006-07-18 Gerald Michael Saballus Device for cleaning corrugator belts
DE102005022035A1 (de) * 2004-10-22 2006-04-27 Robo Paper B.V. Vorrichtung und Verfahren zum Reinigen einer Matrialbahn sowie Verfahren zum Herstellen eines Speedup-Cleaning-Heads
DE102007028341A1 (de) * 2007-06-15 2008-12-18 Robo Paper B.V. Vorrichtung und Verfahren zum Reinigen eines umlaufenden Bahnelementes
US7988828B2 (en) * 2008-09-29 2011-08-02 Kimberly-Clark Worldwide, Inc. Surface treating tissue webs via patterned spraying
US8771473B2 (en) * 2009-12-11 2014-07-08 Valmet Technologies, Inc. Doctor blade for a fiber web machine and doctor arrangement in a fiber web machine
DE102009059790B4 (de) * 2009-12-21 2017-03-30 Paprima Industries Inc. Reinigungsvorrichtung
FI20125223L (fi) * 2012-02-28 2013-08-29 Metso Paper Inc Laitteisto ja menetelmä telan puhdistamiseksi kuiturainakoneella
TWI576174B (zh) * 2013-01-18 2017-04-01 Chan Li Machinery Co Ltd Automatic cleaning device
US9919399B2 (en) 2013-09-17 2018-03-20 Nucor Corporation Roll polisher apparatus and method
DE102014004487A1 (de) 2014-03-28 2015-10-15 Thyssenkrupp Ag Vorrichtung zur berührungslosen Walzenreinigung und Verfahren hierfür
KR102472281B1 (ko) 2019-01-25 2022-12-01 주식회사 엘지에너지솔루션 전극의 압연 롤 세정장치 및 세정방법
DE102019105227B4 (de) * 2019-03-01 2021-04-01 Voith Patent Gmbh Schaber mit Wasserschmierung
ES3036214T3 (en) * 2020-02-13 2025-09-16 Kadant Nordic AB Cleaning head with directional nozzle assembly and shaped external air knife for traversing shower systems
EP4382217B1 (fr) * 2022-12-06 2024-12-04 Carl Zeiss Vision International GmbH Dispositif de nettoyage et procédé de nettoyage de substrats montés sur un support de substrat en forme de cartouche
CN120155855B (zh) * 2025-05-19 2025-07-29 邢台邢冶机械设备有限公司 一种轧辊生产用高效抛光设备

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EP0731212B1 (fr) * 1995-02-24 2001-11-21 Voith Paper Patent GmbH Dispositif de nettoyage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1179631A1 (fr) * 2000-08-11 2002-02-13 Voith Paper Patent GmbH Dispositif de nettoyage et/ou de conditionnement
EP2127879A1 (fr) * 2008-05-27 2009-12-02 Fischer & Krecke GmbH Dispositif de nettoyage pour cylindre d'une presse d'impression rotative

Also Published As

Publication number Publication date
DE19627973A1 (de) 1998-01-15
EP0818574B1 (fr) 2003-03-19
EP0818574A3 (fr) 1999-01-20
US5964960A (en) 1999-10-12
CA2208288A1 (fr) 1998-01-11
DE59709542D1 (de) 2003-04-24

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