FI20100034A - Method for storing the filtrate - Google Patents

Method for storing the filtrate Download PDF

Info

Publication number
FI20100034A
FI20100034A FI20100034A FI20100034A FI20100034A FI 20100034 A FI20100034 A FI 20100034A FI 20100034 A FI20100034 A FI 20100034A FI 20100034 A FI20100034 A FI 20100034A FI 20100034 A FI20100034 A FI 20100034A
Authority
FI
Finland
Prior art keywords
pulp
filtrate
amount
storage tank
tank
Prior art date
Application number
FI20100034A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20100034A0 (en
Inventor
Auvo Kettunen
Original Assignee
Andritz Oy
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 Oy filed Critical Andritz Oy
Priority to FI20100034A priority Critical patent/FI20100034A/en
Publication of FI20100034A0 publication Critical patent/FI20100034A0/en
Priority to PCT/FI2011/050079 priority patent/WO2011095686A2/en
Priority to EP11709149.6A priority patent/EP2531644B1/en
Priority to BR112012019309A priority patent/BR112012019309A2/en
Publication of FI20100034A publication Critical patent/FI20100034A/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/28—Tanks for storing or agitating pulp
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor

Landscapes

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

Abstract

The present invention relates to a method of controlling filtrate flows and storing of filtrates of a fibre line in a pulp mill. In the method, the fluctuations in the amount of pulp in the pulp storage tank (3, 8, 17, 37) are not compensated by a separate filtrate storage tank, but the aim is to maintain the amount of filtrate in the pulp storage tank (3, 8, 17, 37) steady. When the amount of pulp changes, it is not that much the volume of the pulp in the tank (3, 8, 17) that will be changed, but the average consistency of the pulp in the tank.
FI20100034A 2010-02-02 2010-02-02 Method for storing the filtrate FI20100034A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI20100034A FI20100034A (en) 2010-02-02 2010-02-02 Method for storing the filtrate
PCT/FI2011/050079 WO2011095686A2 (en) 2010-02-02 2011-02-01 Method of controlling filtrate flows and storing of filtrates of a fibre line in a pulp mill
EP11709149.6A EP2531644B1 (en) 2010-02-02 2011-02-01 Method of controlling filtrate flows and storing of filtrates of a fibre line in a pulp mill
BR112012019309A BR112012019309A2 (en) 2010-02-02 2011-02-01 filtrate flow control method and filtrate storage of a fiber line in a pulp mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20100034A FI20100034A (en) 2010-02-02 2010-02-02 Method for storing the filtrate

Publications (2)

Publication Number Publication Date
FI20100034A0 FI20100034A0 (en) 2010-02-02
FI20100034A true FI20100034A (en) 2011-08-03

Family

ID=41727582

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20100034A FI20100034A (en) 2010-02-02 2010-02-02 Method for storing the filtrate

Country Status (4)

Country Link
EP (1) EP2531644B1 (en)
BR (1) BR112012019309A2 (en)
FI (1) FI20100034A (en)
WO (1) WO2011095686A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3691915A1 (en) 2017-10-05 2020-08-12 Wire Art Switzerland S.A. Method for producing a metallic design and graphic and product obtained by the method
SE544255C2 (en) * 2020-09-03 2022-03-15 Valmet Oy System for producing cellulose pulp and method for controlling such a system
FI130237B (en) 2020-10-21 2023-05-04 Andritz Oy Method and system for control of flows

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4303470A (en) * 1979-06-15 1981-12-01 Weyerhaeuser Company Method and apparatus for mixing gases with a wood pulp slurry
FI80303C (en) * 1986-11-28 1991-04-10 Ahlstroem Oy Consistency pulp tower
US5538597A (en) * 1990-09-05 1996-07-23 A. Ahlstrom Corporation Apparatus for the discharge of a mass tower
US5372679A (en) * 1992-06-08 1994-12-13 Air Products And Chemicals, Inc. Reactor system for treating cellulosic pulp at a constant upward flow velocity
FI108150B (en) * 1999-02-15 2001-11-30 Sulzer Pumpen Ag Method and apparatus for pulping
FI20030209A (en) * 2003-02-12 2004-08-13 Sulzer Pumpen Ag Arrangement and procedure for pre-treatment of pulp and procedure for modernization of a massager
SE526220C2 (en) * 2003-12-23 2005-08-02 Kvaerner Pulping Tech Apparatus and method for ejecting cellulose pulp from a cylindrical storage tower

Also Published As

Publication number Publication date
BR112012019309A2 (en) 2018-05-08
EP2531644B1 (en) 2014-04-02
EP2531644A2 (en) 2012-12-12
FI20100034A0 (en) 2010-02-02
WO2011095686A3 (en) 2011-09-22
WO2011095686A2 (en) 2011-08-11

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Legal Events

Date Code Title Description
PC Transfer of assignment of patent

Owner name: ANDRITZ OY

Free format text: ANDRITZ OY

FD Application lapsed