FI80299B - Foerfarande och anordning foer avsvaertning av returpapper. - Google Patents

Foerfarande och anordning foer avsvaertning av returpapper. Download PDF

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Publication number
FI80299B
FI80299B FI853468A FI853468A FI80299B FI 80299 B FI80299 B FI 80299B FI 853468 A FI853468 A FI 853468A FI 853468 A FI853468 A FI 853468A FI 80299 B FI80299 B FI 80299B
Authority
FI
Finland
Prior art keywords
air
pulp slurry
air bubbles
treatment vessel
blown
Prior art date
Application number
FI853468A
Other languages
English (en)
Finnish (fi)
Other versions
FI853468A0 (fi
FI80299C (sv
FI853468L (fi
Inventor
Akira Shioiri
Yoji Isobe
Hiroyasu Hayano
Original Assignee
Oji Paper Co
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 Oji Paper Co filed Critical Oji Paper Co
Publication of FI853468A0 publication Critical patent/FI853468A0/fi
Publication of FI853468L publication Critical patent/FI853468L/fi
Publication of FI80299B publication Critical patent/FI80299B/fi
Application granted granted Critical
Publication of FI80299C publication Critical patent/FI80299C/sv

Links

Classifications

    • 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
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/08—Subsequent treatment of concentrated product
    • B03D1/082—Subsequent treatment of concentrated product of the froth product, e.g. washing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1462—Discharge mechanisms for the froth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/24—Pneumatic
    • B03D1/245—Injecting gas through perforated or porous area
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/32—Defibrating by other means of waste paper
    • D21B1/325—Defibrating by other means of waste paper de-inking devices
    • D21B1/327—Defibrating by other means of waste paper de-inking devices using flotation devices
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • D21F1/70—Pulp catching, de-watering, or recovering; Re-use of pulp-water by flotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/02—Froth-flotation processes
    • B03D1/028—Control and monitoring of flotation processes; computer models therefor
    • 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

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biotechnology (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)

Claims (4)

1. Förfarande för avfärgning av returpappergenom att leda en uppslamning av returpappersmassa i vatten tili ett 5 behandlingskärl, bläsning av ett flertal luftbubblor i upp-slamningen av returpappersmassa i behandlingskärlet sälun-da, att luftbubblorna absorberar partiklar av tryckfärg frän uppslamningen av returpappersmassa, dä de stiger pä uppslamningens yta, och avlägsna frän uppslamningen av re-10 turpappersmassa det skum, i vilket tryckfärgen absorberats, kännetecknat därav, att i luftbläsningssteget biases luft i uppslamningen av returpappersmassa genom ett flertal öppningar, vilka skjuter ut i form av korta rör eller tuber frän omkretsytan av minst en horisontal cylin-15 der anordnad i bottenpartiet i behandlingskärlet, varvid den horisontala cylindern roteras kring dess axel för om-röring av uppslamningen av returpappersmassan, och att mängden av blast luft justeras sä, att ekvationerna (I) och (II) uppfylles 20 G/L > 5,0 (I) 0,5 < g/A < 2,0 (II) ~ 3 i vilka ekvationer L är volymen im av uppslamningen av returpappersmassa i behandlingskärlet, G är den totala vo- 3 lymen i Nm av de i uppslamningen av returpappersmassan 25 blästa luftbubblorna, g är bläsningshastigheten av luft i Nm /min och A är behandlingskärlets horisontala tvärsnitts-. 2 area ι m .
2. Förfarande enligt patentkravet 1, kännetecknat därav, att förhällandet G/L är 10 eller där- 30 över.
3. Förfarande enligt patentkravet 1, kännetecknat därav, att i luftbläsningssteget strömmar uppslamningen av returpappersmassa medät motströrfts med hänseende tili uppätflödet av luftbubblorna blästa frän 35 varje horisontal cylinder och sedan uppät medströms med hänseende tili uppätflödet av gasbubblorna blästa frän nämnda cylinder. il 15 80299
4. Förfarande enligt patentkravet 3, kanne-t e c k n a t därav, att luft bläses frän en eller flera horisontala cylindrar och att uppslamningens medät och uppätströmning upprepas tv& eller flera ganger.
FI853468A 1985-04-18 1985-09-11 Förfarande och anordning för avsvärtning av returpapper FI80299C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60083425A JPH0660473B2 (ja) 1985-04-18 1985-04-18 古紙の脱墨処理法
JP8342585 1985-04-18

Publications (4)

Publication Number Publication Date
FI853468A0 FI853468A0 (fi) 1985-09-11
FI853468L FI853468L (fi) 1986-10-19
FI80299B true FI80299B (fi) 1990-01-31
FI80299C FI80299C (sv) 1990-05-10

Family

ID=13802079

Family Applications (1)

Application Number Title Priority Date Filing Date
FI853468A FI80299C (sv) 1985-04-18 1985-09-11 Förfarande och anordning för avsvärtning av returpapper

Country Status (9)

Country Link
US (1) US4749473A (sv)
JP (1) JPH0660473B2 (sv)
KR (1) KR890001973B1 (sv)
CA (1) CA1272004A (sv)
DE (1) DE3532611A1 (sv)
FI (1) FI80299C (sv)
FR (1) FR2580683B1 (sv)
GB (1) GB2174926B (sv)
SE (1) SE463369B (sv)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4990166A (en) * 1989-06-08 1991-02-05 Babich William F Gas stream purifying equipment
US5176822A (en) * 1989-10-16 1993-01-05 Ishikawajima-Harima Jukogyo Kabushiki Kaisha Flotation machine for deinking
JP2790338B2 (ja) * 1989-10-16 1998-08-27 石川島播磨重工業株式会社 脱インク用フローテーション装置
US5028315A (en) * 1989-12-11 1991-07-02 The Black Clawson Company Froth flotation apparatus and method
US5069751A (en) * 1990-08-09 1991-12-03 Kamyr, Inc. Hydrocyclone deinking of paper during recycling
US5131980A (en) * 1990-08-09 1992-07-21 Kamyr, Inc. Hydrocyclone removal of sticky contaminants during paper recycling
US5302245A (en) * 1991-04-02 1994-04-12 Vps Technology Partnership Integrated wastepaper treatment process
US5876559A (en) * 1991-06-25 1999-03-02 International Paper Company Deinking of impact and non-impact printed paper by an agglomeration process
US5259969A (en) * 1991-09-16 1993-11-09 International Paper Company Deinking of impact and non-impact printed paper
DE4224329C1 (de) * 1992-07-23 1993-11-11 Voith Gmbh J M Aufbereitungsverfahren für Altpapier
US5512133A (en) * 1994-08-01 1996-04-30 International Paper Company Method for deinking recycled paper using a low flow elongated open top flotation vessel
US5529190A (en) * 1995-02-06 1996-06-25 Ahlstrom Machinery, Inc. Gas sparged hydrocyclone with foam separating vessel
DE19852549C2 (de) * 1998-11-13 2001-08-02 Voith Paper Patent Gmbh Verfahren und Vorrichtung zur Entfernung von Partikeln aus einer wässrigen papierfaserhaltigen Suspension
DE19852548C2 (de) * 1998-11-13 2000-08-31 Voith Sulzer Papiertech Patent Verfahren und Vorrichtung zur Entfernung von Partikeln aus einer wässrigen papierfaserhaltigen Suspension
JP4522009B2 (ja) * 2001-03-16 2010-08-11 王子エンジニアリング株式会社 散気管およびこれを用いたフローテータ
JP4551012B2 (ja) * 2001-03-16 2010-09-22 王子エンジニアリング株式会社 フローテータ
US20050145349A1 (en) * 2004-01-06 2005-07-07 Hassan El-Shall Method of de-inking paper and other cellulosic materials
AT502186B1 (de) * 2005-08-01 2007-02-15 Andritz Ag Maschf Vorrichtung und verfahren zur flotation einer flüssigkeit
JP4866814B2 (ja) * 2007-09-04 2012-02-01 相川鉄工株式会社 フローテーター
JP4538479B2 (ja) * 2007-09-04 2010-09-08 日本製紙株式会社 フローテーター
JP5129693B2 (ja) * 2008-08-26 2013-01-30 ライオン株式会社 古紙再生用脱墨剤組成物、古紙再生用脱墨剤キット及び古紙再生方法
DE102009006035A1 (de) * 2009-01-24 2010-07-29 Voith Patent Gmbh Flotation einer Faserstoffsuspension
JP6706400B2 (ja) * 2015-11-30 2020-06-10 デュプロ精工株式会社 脱墨装置及び古紙再生処理装置
EP3749895A4 (en) * 2018-02-09 2021-11-10 Nano Silver Manufacturing SDN BHD EXHAUST SMOKE CLEANER
CN109499778B (zh) * 2018-11-06 2020-11-20 山东物华天宝矿业集团有限公司 一种有色金属矿山浮选设备
CN109701457B (zh) * 2019-03-05 2020-10-27 北京化工大学 一种超重力纳微气泡产生装置及反应系统
CN110127879A (zh) * 2019-05-15 2019-08-16 贵州西牛王印务有限公司 一种印刷废弃物的无污染处理系统
CN110576029A (zh) * 2019-09-19 2019-12-17 浦江次方环保科技有限公司 一种印刷废弃物的处理设备

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1608896A (en) * 1926-11-30 Flotation apparatus
US507774A (en) * 1892-12-31 1893-10-31 Apparatus for purifying water
GB261395A (en) * 1925-11-13 1927-07-28 Ferdinand Peder Egeberg Apparatus for the concentration of ores or other material by flotation
US1988351A (en) * 1930-07-17 1935-01-15 Patton Neeley J Flotation apparatus
DE742856C (de) * 1940-12-14 1943-12-13 Moormann Fa R Vorrichtung zur Belueftung von Fluessigkeiten, insbesondere von Gaerfluessigkeiten
DE1027186B (de) * 1956-05-23 1958-04-03 Kerag Kesselschmiede App Und M Rotor zur Behandlung von Fluessigkeiten mit Gasen
NL297136A (sv) * 1962-06-08
JPS528104A (en) * 1975-07-10 1977-01-21 Mitsui Mining & Smelting Co Process and apparatus for treating used paper
JPS5222953A (en) * 1975-08-14 1977-02-21 Citizen Watch Co Ltd Watch shell
JPS5599388A (en) * 1979-01-24 1980-07-29 Hitachi Ltd Deep layer type oxygen exposure vessel
DE2904326C3 (de) * 1979-02-05 1982-05-13 Naamloze Vennootschap Papierfabriek Gennep, Gennep Verfahren und Vorrichtung zum Deinken von Faserstoffsuspensionen
JPS601926B2 (ja) * 1980-06-09 1985-01-18 新日本製鐵株式会社 均一な内質を有する鋼材の製造方法
US4399028A (en) * 1982-06-14 1983-08-16 The Black Clawson Company Froth flotation apparatus and method

Also Published As

Publication number Publication date
US4749473A (en) 1988-06-07
SE8504208L (sv) 1986-10-19
KR860008340A (ko) 1986-11-14
JPH0660473B2 (ja) 1994-08-10
JPS61245390A (ja) 1986-10-31
GB2174926B (en) 1988-07-06
FR2580683A1 (fr) 1986-10-24
FI853468A0 (fi) 1985-09-11
CA1272004A (en) 1990-07-31
FI80299C (sv) 1990-05-10
FI853468L (fi) 1986-10-19
GB2174926A (en) 1986-11-19
FR2580683B1 (fr) 1993-08-27
KR890001973B1 (ko) 1989-06-05
SE8504208D0 (sv) 1985-09-11
DE3532611C2 (sv) 1987-10-22
DE3532611A1 (de) 1986-10-23
GB8522147D0 (en) 1985-10-09
SE463369B (sv) 1990-11-12

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Legal Events

Date Code Title Description
TC Name/ company changed in patent

Owner name: NEW OJI PAPER CO., LTD

FG Patent granted

Owner name: NEW OJI PAPER CO., LTD.

MA Patent expired