[go: up one dir, main page]

SE303088B - - Google Patents

Info

Publication number
SE303088B
SE303088B SE6080/63A SE608063A SE303088B SE 303088 B SE303088 B SE 303088B SE 6080/63 A SE6080/63 A SE 6080/63A SE 608063 A SE608063 A SE 608063A SE 303088 B SE303088 B SE 303088B
Authority
SE
Sweden
Prior art keywords
chemicals
pressure
chips
grinding
temperature
Prior art date
Application number
SE6080/63A
Inventor
A Asplund
K Cederquist
Original Assignee
Defibrator 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 Defibrator Ab filed Critical Defibrator Ab
Priority to SE6080/63A priority Critical patent/SE303088B/xx
Priority to NO153420A priority patent/NO120396B/no
Priority to GB22064/64A priority patent/GB1069405A/en
Priority to US370959A priority patent/US3388037A/en
Priority to NL6406055A priority patent/NL6406055A/xx
Priority to FI641183A priority patent/FI43029C/en
Priority to BE648604D priority patent/BE648604A/xx
Priority to CH701864A priority patent/CH429421A/en
Priority to DE19641517170 priority patent/DE1517170A1/en
Priority to AT471664A priority patent/AT277746B/en
Publication of SE303088B publication Critical patent/SE303088B/xx

Links

Classifications

    • 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
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/30—Disc mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)

Abstract

1,069,405. Grinding wood. DEFIBRATOR A.B. May 28, 1964 [May 31, 1963], No. 22064/64. Heading B2A. [Also in Division D2] Wood pulp for making paper is obtained in high yield (85-95%) by heating wood chips under steam pressure at above 100‹C. for a time short enough to minimize or avoid discoloration, and then defibred in two steps between grinding members. The first defibration step is carried out in a defibrator at high pressure and temperature, the second in a refiner at an intermediate pressure and temperature and the pulp obtained is cooled by a rapid reduction of pressure. Chemicals that have a bleaching effect at the time of defibration or facilitate a subsequent bleaching are supplied in a solution or suspension to the chips just before they pass between the grinding member of the first ur each step. As shown, chips are passed through a cellfeeder 10 into a preheater 12, to which steam is supplied through a pipe 14. The heated chips are carried by a screw conveyer 22 to a disc grinder 28, chemicals being added at 36. The defibred material passes through the conduit 38 to the valve 40, where pressure is released. It is then further refined at a lower temperature in the second disc refiner 42, further chemicals being added through the line 50. In a modification, not shown, the shaft 23 of the conveyer 22 is hollow, and the first addition of chemicals is made through this hollow shaft.
SE6080/63A 1963-05-31 1963-05-31 SE303088B (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE6080/63A SE303088B (en) 1963-05-31 1963-05-31
NO153420A NO120396B (en) 1963-05-31 1964-05-27
GB22064/64A GB1069405A (en) 1963-05-31 1964-05-28 Method in the manufacture of cellulose pulps from chips in grinding apparatus
US370959A US3388037A (en) 1963-05-31 1964-05-28 Method in the manufacture of wood pulp from chips in grinding apparatus in two stages
NL6406055A NL6406055A (en) 1963-05-31 1964-05-29
FI641183A FI43029C (en) 1963-05-31 1964-05-29 A method of making wood pulp from wood chips in grinding equipment
BE648604D BE648604A (en) 1963-05-31 1964-05-29
CH701864A CH429421A (en) 1963-05-31 1964-05-29 Process for the production of lignocellulose-containing fibrous materials from wood chips in grinding apparatus
DE19641517170 DE1517170A1 (en) 1963-05-31 1964-05-29 Process for the production of wood pulp from wood chips in grinding apparatus
AT471664A AT277746B (en) 1963-05-31 1964-06-01 Process for the production of fibers containing lignocellulose or wood pulp from wood chips

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE6080/63A SE303088B (en) 1963-05-31 1963-05-31

Publications (1)

Publication Number Publication Date
SE303088B true SE303088B (en) 1968-08-12

Family

ID=20267863

Family Applications (1)

Application Number Title Priority Date Filing Date
SE6080/63A SE303088B (en) 1963-05-31 1963-05-31

Country Status (10)

Country Link
US (1) US3388037A (en)
AT (1) AT277746B (en)
BE (1) BE648604A (en)
CH (1) CH429421A (en)
DE (1) DE1517170A1 (en)
FI (1) FI43029C (en)
GB (1) GB1069405A (en)
NL (1) NL6406055A (en)
NO (1) NO120396B (en)
SE (1) SE303088B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987006280A1 (en) * 1986-04-18 1987-10-22 Stfi Method of reducing the energy consumption at the refining of cellulose-containing material
US4756799A (en) * 1985-03-13 1988-07-12 Eka Ab Method of manufacturing bleached chemimechanical and semichemical fibre pulp by means of a one-stage impregnation process
WO1994016139A1 (en) * 1992-12-30 1994-07-21 Sunds Defibrator Industries Ab A method of producing mechanical and chemi-mechanical pulp
US5853534A (en) * 1992-12-30 1998-12-29 Sunds Defibrator Industries Ab Method of producing pulp with high yield using a two-stage refining system operating at different temperatures

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3467574A (en) * 1966-06-14 1969-09-16 Crown Zellerbach Corp Refiner bleaching of high yield pulps
SE341322B (en) * 1968-04-02 1971-12-20 Defibrator Ab
US3627629A (en) * 1970-05-06 1971-12-14 Bauer Bros Co Refining system and process
SE359332B (en) * 1971-12-20 1973-08-27 Reinhall Rolf
US4030969A (en) * 1972-06-13 1977-06-21 Defibrator Ab Method of dispersing a bleaching agent into a stream of fibrous cellulosic pulp material in a throttling nozzle
US4037792A (en) * 1972-10-23 1977-07-26 Sca Development Aktiebolag Continuously refining raw fibrous material to produce mechanical refiner pulp
SE386694B (en) * 1973-09-06 1976-08-16 Sca Development Ab KIT FOR TREATMENT OF FIBER MATERIAL WHEN THE FIBER MATERIAL IS FIRST PREHEATED WITH ANGA IN A PRE-MAKER
CA1042159A (en) * 1974-12-09 1978-11-14 Domtar Inc. High yield pulping process
US4087317A (en) * 1975-08-04 1978-05-02 Eucatex S.A. Industria E Comercio High yield, low cost cellulosic pulp and hydrated gels therefrom
FI61215B (en) * 1976-11-23 1982-02-26 Defibrator Ab SAFETY RANGE OF CONTAINER FRAMSTAELLA LIGNOCELLULOSAHALTIGA FIBERMATERIAL
US4106979A (en) * 1977-03-21 1978-08-15 Consorzio Fabocart S.P.A. Preparation of paper pulps from dicotyledonous plants
FI54818C (en) * 1977-04-19 1979-03-12 Valmet Oy FOERFARANDE FOER FOERBAETTRING AV EN THERMOMECHANICAL MASS EGENSKAPER
US4229250A (en) * 1979-02-28 1980-10-21 Valmet Oy Method of improving properties of mechanical paper pulp without chemical reaction therewith
US4247362A (en) * 1979-05-21 1981-01-27 The Buckeye Cellulose Corporation High yield fiber sheets
US4349413A (en) * 1979-07-25 1982-09-14 The Black Clawson Company Cellulosic fiber insulation and process of preparation
US4699691A (en) * 1980-11-24 1987-10-13 W. R. Grace & Co. Thermomechanical digestion process
US4455237A (en) * 1982-01-05 1984-06-19 James River Corporation High bulk pulp, filter media utilizing such pulp, related processes
US4455195A (en) * 1982-01-05 1984-06-19 James River Corporation Fibrous filter media and process for producing same
SE456430B (en) * 1985-11-06 1988-10-03 Sunds Defibrator SET FOR MAKING MECHANICAL MASS
DE3610940A1 (en) * 1986-03-04 1987-09-10 Escher Wyss Gmbh HIGH TEMPERATURE HIGH CONSISTENCY FAST WHITE
US4848678A (en) * 1987-03-17 1989-07-18 Kikkoman Corporation Apparatus for crushing fruit and vegetables
GB2215350B (en) * 1988-03-16 1992-05-20 Thiokol Morton Inc Process for bleaching mechanical wood pulp
US5298118A (en) * 1988-07-12 1994-03-29 Atochem Preparation of bleached chemithermomechanical pulp
US5076892A (en) * 1989-07-20 1991-12-31 Sprout-Bauer Inc. Apparatus for pressurized refining of lignocellulose material
US5085735A (en) * 1989-09-05 1992-02-04 Kamyr Ab Method of refining cellulosic fibrous material with successive expansions before impacts, and expansions, to achieve increased fiber flexibility
SE466060C (en) 1990-02-13 1995-09-11 Moelnlycke Ab Absorbent chemitermomechanical mass and preparation thereof
US5607546A (en) * 1990-02-13 1997-03-04 Molnlycke Ab CTMP-process
EP0604088B1 (en) * 1992-12-14 1997-10-08 Hoechst Celanese Corporation Elimination of sulfur dioxide formation in refiner bleaching
SE501894C2 (en) * 1993-10-13 1995-06-12 Kvaerner Pulping Tech Method and apparatus for mixing fluid in a pulp suspension
US6743332B2 (en) * 2001-05-16 2004-06-01 Weyerhaeuser Company High temperature peroxide bleaching of mechanical pulps
SE519462C2 (en) * 2001-06-21 2003-03-04 Holmen Ab Process for Preparation of Bleached Thermomechanical Pulp (TMP) or Bleached Chemithermomechanical Pulp (CTMP)
US7018509B2 (en) * 2002-08-31 2006-03-28 International Paper Co. Elimination of alum yellowing of aspen thermomechanical pulp through pulp washing
US7967948B2 (en) * 2006-06-02 2011-06-28 International Paper Company Process for non-chlorine oxidative bleaching of mechanical pulp in the presence of optical brightening agents
US20100224333A1 (en) * 2009-03-09 2010-09-09 Prasad Duggirala Method and chemical composition to improve efficiency of mechanical pulp
US9932709B2 (en) 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
US9879361B2 (en) 2012-08-24 2018-01-30 Domtar Paper Company, Llc Surface enhanced pulp fibers, methods of making surface enhanced pulp fibers, products incorporating surface enhanced pulp fibers, and methods of making products incorporating surface enhanced pulp fibers
MX2016010820A (en) 2014-02-21 2017-03-03 Domtar Paper Co Llc Surface enhanced pulp fibers at a substrate surface.
US10710930B2 (en) 2014-02-21 2020-07-14 Domtar Paper Company, Llc Surface enhanced pulp fibers in fiber cement
EP3135811B1 (en) * 2015-08-27 2017-10-11 VestaEco SA Production method of pulp derived from biomass for producing composite boards
WO2018026804A1 (en) 2016-08-01 2018-02-08 Domtar Paper Company, Llc Surface enhanced pulp fibers at a substrate surface
WO2018075627A1 (en) 2016-10-18 2018-04-26 Domtar Paper Company, Llc Method for production of filler loaded surface enhanced pulp fibers
CN108043796B (en) * 2016-11-19 2020-12-15 博兴战新产业发展有限公司 Papermaking is with broken thick liquid equipment in grades convenient to wash
US11441271B2 (en) 2018-02-05 2022-09-13 Domtar Paper Company Llc Paper products and pulps with surface enhanced pulp fibers and increased absorbency, and methods of making same
CA3134990A1 (en) 2019-03-26 2020-10-01 Domtar Paper Company, Llc Paper products subjected to a surface treatment comprising enzyme-treated surface enhanced pulp fibers and methods of making the same
CA3150290A1 (en) 2019-09-23 2021-04-01 Bradley Langford Paper products incorporating surface enhanced pulp fibers and having decoupled wet and dry strengths and methods of making the same
US12104327B2 (en) 2019-09-23 2024-10-01 Domtar Paper Company, Llc Tissues and paper towels incorporating surface enhanced pulp fibers and methods of making the same
CN113249996B (en) * 2021-03-08 2022-08-02 山东诺建机械科技有限公司 Production process for preparing fiber by breaking wall of plant raw material

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1711706A (en) * 1924-11-03 1929-05-07 Bauer Bros Co Method of making wood pulp
US1870650A (en) * 1930-09-06 1932-08-09 Brown Co Chemical modification of cellulose fiber
US2454532A (en) * 1940-08-03 1948-11-23 Wood Conversion Co Process for defibering lignocellulose while subjected to steam and a digestive chemical
US2957795A (en) * 1956-06-07 1960-10-25 Bolton John W & Sons Inc Process for making paper pulp
US2960161A (en) * 1957-05-16 1960-11-15 John C F C Richter Device for discharging materials from vessels
US3023140A (en) * 1958-11-24 1962-02-27 Bauer Bros Co Pulp bleaching

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4756799A (en) * 1985-03-13 1988-07-12 Eka Ab Method of manufacturing bleached chemimechanical and semichemical fibre pulp by means of a one-stage impregnation process
WO1987006280A1 (en) * 1986-04-18 1987-10-22 Stfi Method of reducing the energy consumption at the refining of cellulose-containing material
WO1994016139A1 (en) * 1992-12-30 1994-07-21 Sunds Defibrator Industries Ab A method of producing mechanical and chemi-mechanical pulp
US5853534A (en) * 1992-12-30 1998-12-29 Sunds Defibrator Industries Ab Method of producing pulp with high yield using a two-stage refining system operating at different temperatures
CN1052049C (en) * 1992-12-30 2000-05-03 瑞典商顺智公司 A method of producing mechanical and chemi-mechanical pulp

Also Published As

Publication number Publication date
GB1069405A (en) 1967-05-17
FI43029C (en) 1972-01-21
FI43029B (en) 1970-09-02
AT277746B (en) 1970-01-12
BE648604A (en) 1964-09-16
DE1517170A1 (en) 1970-10-29
CH429421A (en) 1967-01-31
US3388037A (en) 1968-06-11
NL6406055A (en) 1964-12-01
NO120396B (en) 1970-10-12

Similar Documents

Publication Publication Date Title
SE303088B (en)
SE7608847L (en) WAY TO UTILIZE THE HEAT DEVELOPED IN THE DEFIBRATION ZONE TO MINIMIZE THE CONSUMPTION CONSUMPTION IN THE MANUFACTURE OF FIBER PULP FOR THE MANUFACTURE OF FIBER DISC
SE7411949L (en) PROCEDURE FOR PRODUCTION OF CELLULOSA MASSES IN THE REPLACEMENT AREA 65 - 95%
US3446699A (en) Method of producing pulps from lignocellulose containing materials
GB1462995A (en) Method of producing fibre pulp from vegetable or fibrous material
SE8404521L (en) PROCEDURE FOR PREPARING HOG REPLACEMENT MACHINE
GB1129695A (en) Improvements in the disintegration of cellulose pulp
SE8202868L (en) PROCEDURE FOR PREPARING CHEAP CELLULOSAMASSA
SE8200943L (en) SET AND DEVICE FOR MANUFACTURING FIBER MASSES OF LIGNOCELLULOS containing
GB1412608A (en) Method in or relating to grinding of vegetable material in grinding apparatus
SE7900084L (en) DEFIBRATION SET AND DEVICE
SE7801814L (en) PROCEDURE FOR PREPARING GRINDING PULP
GB1266898A (en)
US4037792A (en) Continuously refining raw fibrous material to produce mechanical refiner pulp
SE456430B (en) SET FOR MAKING MECHANICAL MASS
GB901030A (en) Improvements in or relating to refining apparatus for paper pulp and the like
FI74999C (en) Methods for the extraction of high quality steam when refining fiber material.
GB1035840A (en) Improvements in or relating to disc assemblies for paper pulp refining machines
GB569370A (en) Improvements in apparatus for the production of wood or like fibrous pulp
US1993148A (en) Method of defibering lignocellulose material
SE8502210L (en) PREPARATION OF MECHANICAL Pulp
GB808854A (en) Pulping and refining
IE33120B1 (en) A method and apparatus for feeding shredded cellulose pulp to a disintegrator
SE8009096L (en) PROCEDURE AND GRINDING PREPARATIONS FOR PAPER Pulp
GB720196A (en) Improvements in or relating to a process for making paper pulp