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BR9004388A - Um aparelho para remocao de cinza de papel usado repolpado - Google Patents

Um aparelho para remocao de cinza de papel usado repolpado

Info

Publication number
BR9004388A
BR9004388A BR9004388A BR9004388A BR9004388A BR 9004388 A BR9004388 A BR 9004388A BR 9004388 A BR9004388 A BR 9004388A BR 9004388 A BR9004388 A BR 9004388A BR 9004388 A BR9004388 A BR 9004388A
Authority
BR
Brazil
Prior art keywords
repolped
appliance
paper
removing gray
gray used
Prior art date
Application number
BR9004388A
Other languages
English (en)
Inventor
Merle W North
Original Assignee
Beloit Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23598804&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9004388(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Beloit Corp filed Critical Beloit Corp
Publication of BR9004388A publication Critical patent/BR9004388A/pt

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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/465—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element take-off rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
    • B01D33/64—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by compression
    • B01D33/646—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by compression by pressure rollers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
BR9004388A 1989-09-07 1990-09-04 Um aparelho para remocao de cinza de papel usado repolpado BR9004388A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/404,247 US5045181A (en) 1989-09-07 1989-09-07 Apparatus for removing ash from repulped wastepaper

Publications (1)

Publication Number Publication Date
BR9004388A true BR9004388A (pt) 1991-09-10

Family

ID=23598804

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9004388A BR9004388A (pt) 1989-09-07 1990-09-04 Um aparelho para remocao de cinza de papel usado repolpado

Country Status (8)

Country Link
US (1) US5045181A (pt)
EP (1) EP0417030B1 (pt)
JP (1) JPH0397988A (pt)
KR (1) KR0183400B1 (pt)
BR (1) BR9004388A (pt)
CA (1) CA2024233C (pt)
DE (1) DE69010123T2 (pt)
FI (1) FI95604C (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5275024A (en) * 1992-05-04 1994-01-04 The Black Clawson Company Paper pulp washing
CA2208265A1 (en) * 1994-08-31 1996-03-07 Hoffman Environmental Systems, Inc. Thin mat washing of cellulosic pulp
DE19637031A1 (de) * 1996-09-12 1998-03-19 Boltersdorf Hans Joachim Verfahren zur Behandlung von Reststoffen, insbesondere Rejekten aus Pulperentsorgungssystemen oder Endstufensortierern, und Vorrichtung zur Durchführung des Verfahrens
US6228215B1 (en) 1998-04-06 2001-05-08 Hoffman Enviornmental Systems, Inc. Method for countercurrent treatment of slurries
FI104841B (fi) * 1998-07-01 2000-04-14 Valmet Corp Paperikoneessa käytettävä kaavin
JP4333716B2 (ja) 2006-09-08 2009-09-16 株式会社日立製作所 情報記録装置
WO2011041749A1 (en) * 2009-10-02 2011-04-07 James Alexander Stark Liquid separation using relative motion and fluid effects
US9949567B2 (en) 2014-09-26 2018-04-24 L&P Property Management Company Reversible headrest tilt, lumbar mechanism
KR101887734B1 (ko) * 2015-01-23 2018-08-10 니혼도꾸슈도교 가부시키가이샤 케이스에 있어서의 덮개의 장착구조

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA623012A (en) * 1961-07-04 M. Owens Thomas Removing impurities from fluid suspensions
DE1090963B (de) * 1953-03-09 1960-10-13 Amos Landmaschf Hermann Fortlaufend arbeitende Presse fuer Obstmaische od. ae. Pressgut
US4151093A (en) * 1978-03-24 1979-04-24 Lenox Institute For Research Stockwasher
CH644414A5 (de) * 1980-02-06 1984-07-31 Escher Wyss Gmbh Siebmaschine, insbesondere zur behandlung von aus altpapier gewonnenen waesserigen faserstoffsuspensionen.
AT377024B (de) * 1981-06-03 1985-01-25 Escher Wyss Gmbh Waschvorrichtung zum waschen von faserstoffsuspensionen
CH655748A5 (de) * 1982-04-23 1986-05-15 Escher Wyss Gmbh Verfahren zur ausscheidung von klebrigen verunreinigungen aus stoffsuspension sowie vorrichtung zur ausfuehrung des verfahrens.
US4680088A (en) * 1985-02-21 1987-07-14 Michael Scheck Process for removing ink particles from paper products
FI872331L (fi) * 1986-05-27 1987-11-28 Anglo Amer Corp South Africa Anordning och foerfarande foer separering av en fast komponent fraon en annan fast komponent i suspension i en vaetska.
US4722793A (en) * 1986-07-03 1988-02-02 The Black Clawson Company Apparatus and method for thickening pulp and paper stock

Also Published As

Publication number Publication date
JPH0397988A (ja) 1991-04-23
FI904396A0 (fi) 1990-09-06
EP0417030B1 (en) 1994-06-22
EP0417030A1 (en) 1991-03-13
US5045181A (en) 1991-09-03
FI95604B (fi) 1995-11-15
KR910006567A (ko) 1991-04-29
CA2024233C (en) 1995-06-27
DE69010123T2 (de) 1994-10-06
DE69010123D1 (de) 1994-07-28
FI95604C (fi) 1996-02-26
CA2024233A1 (en) 1991-03-08
JPH0366436B2 (pt) 1991-10-17
KR0183400B1 (ko) 1999-05-15

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law