NO136581B - - Google Patents

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Publication number
NO136581B
NO136581B NO4844/73A NO484473A NO136581B NO 136581 B NO136581 B NO 136581B NO 4844/73 A NO4844/73 A NO 4844/73A NO 484473 A NO484473 A NO 484473A NO 136581 B NO136581 B NO 136581B
Authority
NO
Norway
Prior art keywords
hub body
bleaching
zone
fiber material
bleaching tower
Prior art date
Application number
NO4844/73A
Other languages
English (en)
Norwegian (no)
Other versions
NO136581C (no
Inventor
B E Pettersson
Original Assignee
Sunds Ab
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 Sunds Ab filed Critical Sunds Ab
Publication of NO136581B publication Critical patent/NO136581B/no
Publication of NO136581C publication Critical patent/NO136581C/no

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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/82—Pan-type mixers, i.e. mixers in which the stirring elements move along the bottom of a pan-shaped receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/321—Disposition of the drive
    • B01F35/3213—Disposition of the drive at the lower side of the axis, e.g. driving the stirrer from the bottom of a receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
NO4844/73A 1973-01-05 1973-12-18 Bleket}rn for kontinuerlig gassfaseblekning. NO136581C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7300147A SE369531B (fr) 1973-01-05 1973-01-05

Publications (2)

Publication Number Publication Date
NO136581B true NO136581B (fr) 1977-06-20
NO136581C NO136581C (no) 1977-09-28

Family

ID=20316250

Family Applications (1)

Application Number Title Priority Date Filing Date
NO4844/73A NO136581C (no) 1973-01-05 1973-12-18 Bleket}rn for kontinuerlig gassfaseblekning.

Country Status (8)

Country Link
US (1) US4085002A (fr)
JP (1) JPS5720438B2 (fr)
CA (1) CA1000540A (fr)
DE (1) DE2400308C2 (fr)
FI (1) FI61054C (fr)
FR (1) FR2213372B1 (fr)
NO (1) NO136581C (fr)
SE (1) SE369531B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105494A (en) * 1973-01-05 1978-08-08 Sunds Aktiebolag Process of gas-phase bleaching high consistency finely disintegrated pulp
US4141784A (en) * 1977-05-02 1979-02-27 Macmillan Bloedel Limited Method and apparatus for controlling wood chip digester level
AT387995B (de) * 1987-06-12 1989-04-10 Andritz Ag Maschf Austragvorrichtung
AT394738B (de) * 1990-09-03 1992-06-10 Andritz Ag Maschf Verfahren und vorrichtung zum austragen eines mediums aus einem behaelter
US6096170A (en) * 1997-04-30 2000-08-01 Kvaerner Pulping Aktiebolag Pressurized peroxide bleaching vessel having a rotatable scraper arm and cleaning device
JP2020203256A (ja) * 2019-06-18 2020-12-24 セイコーエプソン株式会社 攪拌装置
CN113930992A (zh) * 2021-10-29 2022-01-14 泰安天兴木业科技有限公司 一种用于非常规生产针叶纤维素的漂白工艺及其设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938824A (en) * 1957-01-22 1960-05-31 Kamyr Ab Digestion apparatus and method
US3434920A (en) * 1965-10-07 1969-03-25 Frank B K Green Apparatus for continuous digesting
US3519532A (en) * 1967-04-17 1970-07-07 Black Clawson Co Continuous digester discharger containing automatic temperature and level sensing means and method thereof
SE318180B (fr) * 1967-05-16 1969-12-01 Kamyr Ab
US3586600A (en) * 1967-07-27 1971-06-22 Improved Machinery Inc Continuous digesting apparatus
US3785577A (en) * 1972-07-18 1974-01-15 Improved Machinery Inc Apparatus for the gaseous reaction of material

Also Published As

Publication number Publication date
DE2400308C2 (de) 1983-07-21
JPS49100304A (fr) 1974-09-21
FI61054C (fi) 1982-05-10
FI61054B (fi) 1982-01-29
DE2400308A1 (de) 1974-07-11
FR2213372A1 (fr) 1974-08-02
NO136581C (no) 1977-09-28
CA1000540A (en) 1976-11-30
SE369531B (fr) 1974-09-02
FR2213372B1 (fr) 1978-11-10
JPS5720438B2 (fr) 1982-04-28
US4085002A (en) 1978-04-18

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