EP2017382A3 - Impregnation vessel with convergence side relief and method for heat injection at convergence - Google Patents

Impregnation vessel with convergence side relief and method for heat injection at convergence Download PDF

Info

Publication number
EP2017382A3
EP2017382A3 EP08012827A EP08012827A EP2017382A3 EP 2017382 A3 EP2017382 A3 EP 2017382A3 EP 08012827 A EP08012827 A EP 08012827A EP 08012827 A EP08012827 A EP 08012827A EP 2017382 A3 EP2017382 A3 EP 2017382A3
Authority
EP
European Patent Office
Prior art keywords
vessel
convergence
cellulosic material
cavity
impregnation vessel
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.)
Withdrawn
Application number
EP08012827A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2017382A2 (en
Inventor
Bertil Stromberg
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.)
Andritz Inc
Original Assignee
Andritz Inc
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 Andritz Inc filed Critical Andritz Inc
Publication of EP2017382A2 publication Critical patent/EP2017382A2/en
Publication of EP2017382A3 publication Critical patent/EP2017382A3/en
Withdrawn legal-status Critical Current

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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous processes
    • 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
    • D21C7/00—Digesters

Landscapes

  • Paper (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Reinforced Plastic Materials (AREA)
EP08012827A 2007-07-16 2008-07-16 Impregnation vessel with convergence side relief and method for heat injection at convergence Withdrawn EP2017382A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US94998707P 2007-07-16 2007-07-16
US12/141,244 US20090020244A1 (en) 2007-07-16 2008-06-18 Impregnation vessel with convergence side relief and method for heat injection at convergence

Publications (2)

Publication Number Publication Date
EP2017382A2 EP2017382A2 (en) 2009-01-21
EP2017382A3 true EP2017382A3 (en) 2009-04-15

Family

ID=39876812

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08012827A Withdrawn EP2017382A3 (en) 2007-07-16 2008-07-16 Impregnation vessel with convergence side relief and method for heat injection at convergence

Country Status (8)

Country Link
US (1) US20090020244A1 (pt)
EP (1) EP2017382A3 (pt)
JP (1) JP2009024322A (pt)
AU (1) AU2008202747B2 (pt)
BR (1) BRPI0802452A2 (pt)
CA (1) CA2635871A1 (pt)
CL (1) CL2008002050A1 (pt)
RU (1) RU2469142C2 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8320191B2 (en) 2007-08-30 2012-11-27 Infineon Technologies Ag Memory cell arrangement, method for controlling a memory cell, memory array and electronic device
US8628623B2 (en) 2009-12-21 2014-01-14 Andritz Technology And Asset Management Gmbh Method and process for dry discharge in a pressurized pretreatment reactor
WO2012005643A1 (en) * 2010-07-09 2012-01-12 Metso Paper Sweden Ab Method and system for impregnating chips
BR112013024661A2 (pt) * 2011-03-25 2016-12-20 Andritz Inc vaso reator que tem placas de parede lateral de convergência única
DK2897925T3 (en) * 2012-09-19 2017-07-17 Andritz Inc METHOD AND APPARATUS FOR SUPPLYING STEAM TO A STEAM EXPLOSION TREATMENT PROCESS
EP3631081A4 (en) * 2017-05-24 2021-01-13 Valmet AB SYSTEM AND CHUTE CHUTE FOR INPUT OF CRUSHED CELLULOSE MATERIAL
CA3118198C (en) * 2018-10-29 2022-07-05 Valmet Ab Outlet system for transporting comminuted lignocellulosic material from a vessel and vessel comprising such an outlet system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4746400A (en) * 1979-07-30 1988-05-24 Kamyr, Inc. Method of treating cellulosic chips in a vessel with a false bottom
US5500083A (en) * 1994-02-01 1996-03-19 Kamyr, Inc. Method of feeding cellulosic material to a digester using a chip bin with one dimensional convergence and side relief

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1681A (en) * 1840-07-10 Improvement in locomotives for consuming sparks
SE431662B (sv) * 1974-07-05 1984-02-20 Kamyr Ab Sett vid kontinuerlig kokning av fibermaterial
US4432836A (en) * 1979-07-30 1984-02-21 Kamyr, Inc. Vessel false bottoming
SU953051A1 (ru) * 1981-01-15 1982-08-23 Всесоюзное научно-производственное объединение целлюлозно-бумажной промышленности Установка дл получени целлюлозы
US4958741A (en) * 1989-06-14 1990-09-25 Jr Johanson, Inc. Modular mass-flow bin
CA2181892C (en) * 1994-02-01 2001-07-24 Jerry R. Johanson Chip bin assembly including a hollow transition with one dimensional convergence and side relief
US5500084A (en) * 1994-09-21 1996-03-19 Hoffman Environmental Systems, Inc. Method and apparatus for pulping cellulosic material using a vessel with an impergnation zone and an attrition zone
USH1681H (en) * 1995-03-10 1997-10-07 Ahlstrom Machinery Inc. Discharge from pulping vessels without the aid of mechanical agitation
US5985096A (en) * 1997-09-23 1999-11-16 Ahlstrom Machinery Inc. Vertical pulping digester having substantially constant diameter
SE528571C2 (sv) * 2005-03-23 2006-12-19 Kvaerner Pulping Tech Arrangemang för matning av en flissuspension från ett kärl till en kokare

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4746400A (en) * 1979-07-30 1988-05-24 Kamyr, Inc. Method of treating cellulosic chips in a vessel with a false bottom
US5500083A (en) * 1994-02-01 1996-03-19 Kamyr, Inc. Method of feeding cellulosic material to a digester using a chip bin with one dimensional convergence and side relief
US5628873A (en) * 1994-02-01 1997-05-13 Ahlstrom Machinery Inc. Chip bin assembly including a hollow transition with one dimensional convergence and side relief

Also Published As

Publication number Publication date
RU2469142C2 (ru) 2012-12-10
EP2017382A2 (en) 2009-01-21
CL2008002050A1 (es) 2009-01-16
AU2008202747A1 (en) 2009-02-05
RU2008129034A (ru) 2010-01-20
AU2008202747B2 (en) 2011-11-24
CA2635871A1 (en) 2009-01-16
US20090020244A1 (en) 2009-01-22
BRPI0802452A2 (pt) 2009-04-22
JP2009024322A (ja) 2009-02-05

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