SE0750007L - Apparatus for washing and dewatering of pulp - Google Patents

Apparatus for washing and dewatering of pulp

Info

Publication number
SE0750007L
SE0750007L SE0750007A SE0750007A SE0750007L SE 0750007 L SE0750007 L SE 0750007L SE 0750007 A SE0750007 A SE 0750007A SE 0750007 A SE0750007 A SE 0750007A SE 0750007 L SE0750007 L SE 0750007L
Authority
SE
Sweden
Prior art keywords
pulp
press
press roll
vat
casing member
Prior art date
Application number
SE0750007A
Other languages
Swedish (sv)
Other versions
SE531846C2 (en
SE531846E (en
Inventor
Fredrik Ponten
Johan Bylander
Original Assignee
Metso Paper 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 Metso Paper Inc filed Critical Metso Paper Inc
Priority to SE0750007A priority Critical patent/SE531846E/en
Priority to PCT/SE2008/051438 priority patent/WO2009075640A1/en
Publication of SE0750007L publication Critical patent/SE0750007L/en
Publication of SE531846C2 publication Critical patent/SE531846C2/en
Publication of SE531846E publication Critical patent/SE531846E/en

Links

Classifications

    • 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
    • D21F1/74—Pulp catching, de-watering, or recovering; Re-use of pulp-water using cylinders
    • D21F1/76—Pulp catching, de-watering, or recovering; Re-use of pulp-water using cylinders with suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/20—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using rotary pressing members, other than worms or screws, e.g. rollers, rings, discs
    • 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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • D21C9/06—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in filters ; Washing of concentrated pulp, e.g. pulp mats, on filtering surfaces
    • 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
    • D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
    • 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
    • D21D1/40—Washing the fibres

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)

Abstract

An apparatus for washing and dewatering pulp comprising a first and a second rotatable press roll (102, 104) having a permeable outer surface (106, 108), and a casing comprising a vat (114, 116, 118) in which the press rolls (102, 104) are installed, the press rolls (102, 104) defining a press nip (112) between them, in which press nip (112) the pulp is pressed. The vat (114, 116, 118) com- prises a first side vat segment (114) which partly encloses the outer surface (106) of the first press roll (102) and a second side vat segment (116) which partly en- closes the outer surface (108) of the second press roll (104). The casing comprises a first side casing member (115) provided with the first side vatsegment (114) and a second side casing member (117) provided with the second side vat segment (116), at least the first side casing member (115) being pivotable about a rotation axis (121). The apparatus comprises a first pulp distribution device (126) for distributing pulp on the first press roll (102) and a second pulp distribution device (128) for distributing pulp on the second press roll (104). The apparatus com- prises an inlet device (134) for receiving pulp to the apparatus and a flow channel (136) for transporting pulp from the inlet device (134) to the first pulp distribution device (126) which flow channel (136) is mounted to the first side casing member (115).
SE0750007A 2007-12-13 2007-12-13 Apparatus for washing and dewatering of pulp SE531846E (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE0750007A SE531846E (en) 2007-12-13 2007-12-13 Apparatus for washing and dewatering of pulp
PCT/SE2008/051438 WO2009075640A1 (en) 2007-12-13 2008-12-11 An apparatus for washing and dewatering pulp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0750007A SE531846E (en) 2007-12-13 2007-12-13 Apparatus for washing and dewatering of pulp

Publications (3)

Publication Number Publication Date
SE0750007L true SE0750007L (en) 2009-06-14
SE531846C2 SE531846C2 (en) 2009-08-25
SE531846E SE531846E (en) 2012-03-06

Family

ID=40755748

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0750007A SE531846E (en) 2007-12-13 2007-12-13 Apparatus for washing and dewatering of pulp

Country Status (2)

Country Link
SE (1) SE531846E (en)
WO (1) WO2009075640A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT405420B (en) * 1997-05-26 1999-08-25 Andritz Patentverwaltung DEVICE FOR DRAINING AND WASHING FIBER FIBER SUSPENSIONS
SE512877E (en) * 1999-06-04 2005-02-02 Kvaerner Pulping Tech Fibrous dewatering device provided with a pulp inlet with pressure equalizing section
SE0100259L (en) * 2001-01-26 2001-12-17 Kvaerner Pulping Tech Distribution device for dispensing cellulose pulp in the form of a pulp web

Also Published As

Publication number Publication date
WO2009075640A1 (en) 2009-06-18
SE531846C2 (en) 2009-08-25
SE531846E (en) 2012-03-06

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Legal Events

Date Code Title Description
RPOP Patent has been republished in amended form after opposition
NUG Patent has lapsed