EP1245724A3 - Pressure screen for cleaning paper pulp containing impurities and its use - Google Patents

Pressure screen for cleaning paper pulp containing impurities and its use Download PDF

Info

Publication number
EP1245724A3
EP1245724A3 EP02001744A EP02001744A EP1245724A3 EP 1245724 A3 EP1245724 A3 EP 1245724A3 EP 02001744 A EP02001744 A EP 02001744A EP 02001744 A EP02001744 A EP 02001744A EP 1245724 A3 EP1245724 A3 EP 1245724A3
Authority
EP
European Patent Office
Prior art keywords
paper pulp
containing impurities
cleaning paper
pulp containing
pressure screen
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
EP02001744A
Other languages
German (de)
French (fr)
Other versions
EP1245724A2 (en
EP1245724B1 (en
Inventor
Michael Danger
Reimund Reinecker
Samuel Dr. Schabel
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 EP1245724A2 publication Critical patent/EP1245724A2/en
Publication of EP1245724A3 publication Critical patent/EP1245724A3/en
Application granted granted Critical
Publication of EP1245724B1 publication Critical patent/EP1245724B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02—Straining or screening the pulp
    • D21D5/023—Stationary screen-drums
    • D21D5/026—Stationary screen-drums with rotating cleaning foils

Abstract

Der Drucksortierer dient zur Entfernung von Störstoffen aus einer Papierfasersuspension (S) und weist ein Gehäuse (6) mit mindestens zwei Sieben (1, 2) auf. Die Siebe (1, 2) sind so angeordnet, dass sie nacheinander von der durch den Einlaufstutzen (3) in das Gehäuse eingeführten Papierfasersuspension (S) durchströmbar sind. In vorteilhaften Ausführungsformen ist der Drucksortierer mit feinen Schlitzen ausgestattet, wobei die Größe dieser Schlitze bei beiden Sieben (1, 2) etwa gleich ist. Der Drucksortierer eignet sich besonders zur Ausscheidung von feinen Störstoffen.

Figure 00000001
The pressure sorter is used to remove impurities from a paper fiber suspension (S) and has a housing (6) with at least two screens (1, 2). The screens (1, 2) are arranged in such a way that the paper fiber suspension (S) introduced into the housing through the inlet connector (3) can flow through them one after the other. In advantageous embodiments, the pressure sorter is equipped with fine slots, the size of these slots being approximately the same for both screens (1, 2). The pressure sorter is particularly suitable for the separation of fine contaminants.
Figure 00000001
EP02001744A 2001-03-28 2002-01-25 Pressure screen for cleaning paper pulp containing impurities and its use Expired - Lifetime EP1245724B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10115298 2001-03-28
DE10115298A DE10115298A1 (en) 2001-03-28 2001-03-28 Pressure sorter for removing contaminants from a paper fiber suspension containing contaminants

Publications (3)

Publication Number Publication Date
EP1245724A2 EP1245724A2 (en) 2002-10-02
EP1245724A3 true EP1245724A3 (en) 2003-07-02
EP1245724B1 EP1245724B1 (en) 2005-12-07

Family

ID=7679390

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02001744A Expired - Lifetime EP1245724B1 (en) 2001-03-28 2002-01-25 Pressure screen for cleaning paper pulp containing impurities and its use

Country Status (7)

Country Link
US (1) US20020139723A1 (en)
EP (1) EP1245724B1 (en)
JP (1) JP2002339283A (en)
AT (1) ATE312231T1 (en)
CA (1) CA2379425A1 (en)
DE (2) DE10115298A1 (en)
ES (1) ES2252327T3 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE512957C2 (en) * 1999-03-29 2000-06-12 Valmet Fibertech Ab Screening device with a rotatable and stationary screen means
DE102006055316B3 (en) * 2006-11-23 2008-01-31 Voith Patent Gmbh Sieve for the recovery of fibers from recycled paper has main cylinder section inclined at an angle to that of the rotor
US8869988B2 (en) * 2008-05-08 2014-10-28 M-I L.L.C. Cooling and classifying apparatus for pelletized product processing
US8011515B2 (en) * 2009-05-12 2011-09-06 Ovivo Luxembourg S.á.r.l. Two stage pulp screening device with two stationary cylindrical screens
CN105696400B (en) * 2015-03-26 2018-04-03 潍坊信合达机械有限公司 A kind of paper-making industry is sieved with combined pressure
CN106368038B (en) * 2016-11-17 2017-11-24 绥阳县双龙纸业有限公司 A kind of upward flow type pressure sieve
CN107641996B (en) * 2017-11-14 2023-06-09 新乡市新平航空机械有限公司 Novel pressure screen rotor
DE102021112389A1 (en) 2021-05-12 2022-11-17 Voith Patent Gmbh Multi-stage sorting device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3223239A (en) * 1962-05-11 1965-12-14 Bird Machine Co Pressure type screening devices
US4913806A (en) * 1988-07-04 1990-04-03 Kamyr Ab Apparatus for screening a suspension of fibrous cellulose pulp
US4968417A (en) * 1988-06-16 1990-11-06 Kamyr Ab Apparatus for screening a suspension of fibrous cellulose pulp
WO1991019852A1 (en) * 1990-06-13 1991-12-26 Sunds Defibrator Jylhä Oy Screening unit for the screening of pulp, especially paper pulp
US5119953A (en) * 1990-04-02 1992-06-09 Celleco Hedemora Ab Pulp suspension screening and fractionation apparatus
US5622267A (en) * 1993-08-20 1997-04-22 Valmet Corporation Method and pressure screen for screening fibre suspension
EP0955406A2 (en) * 1994-07-15 1999-11-10 Ahlstrom Machinery Corporation Method and apparatus for screening fibrous suspension
WO2000058549A1 (en) * 1999-03-29 2000-10-05 Valmet Fibertech Ab Screening apparatus including two screen means

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2140904C3 (en) * 1971-08-16 1974-05-09 Hermann Finckh, Metalltuch- Und Maschinenfabrik, 7410 Reutlingen Pressure sorter for pulp suspensions
US4302327A (en) * 1980-03-17 1981-11-24 The Black Clawson Company Center flow screening apparatus
US5884774A (en) * 1996-03-11 1999-03-23 Aikawa Iron Works Co., Ltd. Papermaking screen
DE19702044C1 (en) * 1997-01-22 1998-04-16 Voith Sulzer Stoffaufbereitung Sieve assembly for papermaking fibre suspension
SE511786C2 (en) * 1998-03-06 1999-11-22 Sunds Defibrator Ind Ab Screening device with two screening chambers for separating fiber suspensions
JP3443361B2 (en) * 1999-04-23 2003-09-02 相川鉄工株式会社 Screen device
AT408771B (en) * 2000-02-03 2002-03-25 Andritz Ag Maschf SORTER FOR CLEANING A FIBER SUSPENSION

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3223239A (en) * 1962-05-11 1965-12-14 Bird Machine Co Pressure type screening devices
US4968417A (en) * 1988-06-16 1990-11-06 Kamyr Ab Apparatus for screening a suspension of fibrous cellulose pulp
US4913806A (en) * 1988-07-04 1990-04-03 Kamyr Ab Apparatus for screening a suspension of fibrous cellulose pulp
US5119953A (en) * 1990-04-02 1992-06-09 Celleco Hedemora Ab Pulp suspension screening and fractionation apparatus
WO1991019852A1 (en) * 1990-06-13 1991-12-26 Sunds Defibrator Jylhä Oy Screening unit for the screening of pulp, especially paper pulp
US5622267A (en) * 1993-08-20 1997-04-22 Valmet Corporation Method and pressure screen for screening fibre suspension
EP0955406A2 (en) * 1994-07-15 1999-11-10 Ahlstrom Machinery Corporation Method and apparatus for screening fibrous suspension
WO2000058549A1 (en) * 1999-03-29 2000-10-05 Valmet Fibertech Ab Screening apparatus including two screen means

Also Published As

Publication number Publication date
JP2002339283A (en) 2002-11-27
EP1245724A2 (en) 2002-10-02
ES2252327T3 (en) 2006-05-16
EP1245724B1 (en) 2005-12-07
US20020139723A1 (en) 2002-10-03
DE50205150D1 (en) 2006-01-12
CA2379425A1 (en) 2002-09-28
ATE312231T1 (en) 2005-12-15
DE10115298A1 (en) 2002-10-17

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