EP1344865A3 - Reduction of noise emissions - Google Patents

Reduction of noise emissions Download PDF

Info

Publication number
EP1344865A3
EP1344865A3 EP03005798A EP03005798A EP1344865A3 EP 1344865 A3 EP1344865 A3 EP 1344865A3 EP 03005798 A EP03005798 A EP 03005798A EP 03005798 A EP03005798 A EP 03005798A EP 1344865 A3 EP1344865 A3 EP 1344865A3
Authority
EP
European Patent Office
Prior art keywords
noise
reduction
sector
noise emissions
roller
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
EP03005798A
Other languages
German (de)
French (fr)
Other versions
EP1344865B1 (en
EP1344865A2 (en
Inventor
Eva Dr. Scheideler
Herbert Boden
Wolfgang Hiller
Reinhard Leigraf
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 Paper 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 Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP1344865A2 publication Critical patent/EP1344865A2/en
Publication of EP1344865A3 publication Critical patent/EP1344865A3/en
Application granted granted Critical
Publication of EP1344865B1 publication Critical patent/EP1344865B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0009—Paper-making control systems
    • D21G9/0027—Paper-making control systems controlling the forming section
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/10—Suction rolls, e.g. couch rolls

Abstract

Noise is detected at a rotating suction roller, e.g. at a papermaking machine, which has a perforated mantle (13) to carry the web (1) around it and it is divided into a number of adjacent sectors (4,5) in the peripheral direction. At least one sector (4) is at an underpressure with a lower pressure than the ambient levels and which dominates the following sector (5). The noise emission from the roller is measured by a microphone (7,8) and a breach of a given noise threshold triggers an alarm and/or a signal to the operatives and/or the machine control (12) for corrective action.
EP03005798A 2002-03-16 2003-03-14 Reduction of noise emissions Expired - Lifetime EP1344865B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10211792A DE10211792A1 (en) 2002-03-16 2002-03-16 sound emission
DE10211792 2002-03-16

Publications (3)

Publication Number Publication Date
EP1344865A2 EP1344865A2 (en) 2003-09-17
EP1344865A3 true EP1344865A3 (en) 2004-05-26
EP1344865B1 EP1344865B1 (en) 2008-02-27

Family

ID=27762960

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03005798A Expired - Lifetime EP1344865B1 (en) 2002-03-16 2003-03-14 Reduction of noise emissions

Country Status (3)

Country Link
EP (1) EP1344865B1 (en)
AT (1) ATE387538T1 (en)
DE (2) DE10211792A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009007134U1 (en) * 2009-05-19 2009-08-13 Voith Patent Gmbh Sealing device for a suction roll
AT516191B1 (en) 2014-09-15 2016-08-15 Röchling Leripa Papertech Gmbh & Co Kg Sealing strip systems for suction rolls

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2274641A (en) * 1938-02-07 1942-03-03 Abbott Suction roll
SU414341A1 (en) * 1972-10-02 1974-02-05 А. В. Сметании DEVICE FOR MEASUREMENT OF AIR PERMEATED WALL MATERIAL
EP1113106A2 (en) * 1999-12-29 2001-07-04 Voith Paper Patent GmbH Noise reduction for suction roll
US6280573B1 (en) * 1998-08-12 2001-08-28 Kimberly-Clark Worldwide, Inc. Leakage control system for treatment of moving webs

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2274641A (en) * 1938-02-07 1942-03-03 Abbott Suction roll
SU414341A1 (en) * 1972-10-02 1974-02-05 А. В. Сметании DEVICE FOR MEASUREMENT OF AIR PERMEATED WALL MATERIAL
US6280573B1 (en) * 1998-08-12 2001-08-28 Kimberly-Clark Worldwide, Inc. Leakage control system for treatment of moving webs
EP1113106A2 (en) * 1999-12-29 2001-07-04 Voith Paper Patent GmbH Noise reduction for suction roll

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 197531, Derwent World Patents Index; AN 1975-51942W, XP002275297 *

Also Published As

Publication number Publication date
DE10211792A1 (en) 2003-10-02
EP1344865B1 (en) 2008-02-27
DE50309232D1 (en) 2008-04-10
ATE387538T1 (en) 2008-03-15
EP1344865A2 (en) 2003-09-17

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