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FI20245126A1 - Förfarande och utrustning för avlägsnande av gas från gashaltig fibersuspension med mediumkonsistenspump - Google Patents

Förfarande och utrustning för avlägsnande av gas från gashaltig fibersuspension med mediumkonsistenspump

Info

Publication number
FI20245126A1
FI20245126A1 FI20245126A FI20245126A FI20245126A1 FI 20245126 A1 FI20245126 A1 FI 20245126A1 FI 20245126 A FI20245126 A FI 20245126A FI 20245126 A FI20245126 A FI 20245126A FI 20245126 A1 FI20245126 A1 FI 20245126A1
Authority
FI
Finland
Prior art keywords
pump
consistency
degassing
medium consistency
medium
Prior art date
Application number
FI20245126A
Other languages
English (en)
Finnish (fi)
Inventor
Jim Grundtman
Jaakko Hyypiä
Johanna Brännström
Kari Peltonen
Heikki Mutikainen
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 FI20245126A priority Critical patent/FI20245126A1/sv
Priority to PCT/FI2025/050037 priority patent/WO2025168881A1/en
Publication of FI20245126A1 publication Critical patent/FI20245126A1/sv

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
    • F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0021—Degasification of liquids by bringing the liquid in a thin layer
    • B01D19/0026—Degasification of liquids by bringing the liquid in a thin layer in rotating vessels or in vessels containing movable parts
    • 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
    • D21D5/26—De-aeration of paper stock
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0027—Varying behaviour or the very pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4273—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps suction eyes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/001—Preventing vapour lock
    • F04D9/002—Preventing vapour lock by means in the very pump
    • F04D9/003—Preventing vapour lock by means in the very pump separating and removing the vapour

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Degasification And Air Bubble Elimination (AREA)
FI20245126A 2024-02-08 2024-02-08 Förfarande och utrustning för avlägsnande av gas från gashaltig fibersuspension med mediumkonsistenspump FI20245126A1 (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20245126A FI20245126A1 (sv) 2024-02-08 2024-02-08 Förfarande och utrustning för avlägsnande av gas från gashaltig fibersuspension med mediumkonsistenspump
PCT/FI2025/050037 WO2025168881A1 (en) 2024-02-08 2025-01-28 A method and apparatus for degassing fiber suspension containing gas with a medium consistency pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20245126A FI20245126A1 (sv) 2024-02-08 2024-02-08 Förfarande och utrustning för avlägsnande av gas från gashaltig fibersuspension med mediumkonsistenspump

Publications (1)

Publication Number Publication Date
FI20245126A1 true FI20245126A1 (sv) 2025-08-09

Family

ID=94605658

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20245126A FI20245126A1 (sv) 2024-02-08 2024-02-08 Förfarande och utrustning för avlägsnande av gas från gashaltig fibersuspension med mediumkonsistenspump

Country Status (2)

Country Link
FI (1) FI20245126A1 (sv)
WO (1) WO2025168881A1 (sv)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4435193A (en) * 1980-04-07 1984-03-06 Kamyr Ab Controlling operation of a centrifugal pump
WO1997024596A1 (en) * 1995-12-27 1997-07-10 A. Ahlström Osakeyhtiö Method and apparatus for determining physical variables of a slurry or liquid
US20220025891A1 (en) * 2020-07-24 2022-01-27 Eaton Intelligent Power Limited Control system for a fluid management system
EP4296517A1 (en) * 2022-06-23 2023-12-27 Sulzer Management AG A pump unit for pumping liquid or suspension and a method for controlling of a pump unit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410337A (en) 1980-04-07 1983-10-18 A. Ahlstrom Osakeyhtio Method and an apparatus for separating a gas from a fibre suspension
FI813428L (fi) * 1981-11-02 1983-05-03 Ahlstroem Oy Foerfarande foer reglering av en centrifugalpumps funktion
SE8404734L (sv) 1984-09-21 1986-01-27 Kamyr Ab Sett for styrning av en centrifugalpumps funktion
EP0830511B1 (en) * 1995-06-05 2001-11-28 Sulzer Pumpen Ag Method of controlling the function of a centrifugal pump and vacuum pump combination, and a gas-separating centrifugal pump
SE535003C2 (sv) 2010-05-10 2012-03-13 Metso Paper Inc Anordning för avgasningskontroll
AT510538B1 (de) 2010-09-27 2013-02-15 Andritz Ag Maschf Zentrifugalpumpe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4435193A (en) * 1980-04-07 1984-03-06 Kamyr Ab Controlling operation of a centrifugal pump
WO1997024596A1 (en) * 1995-12-27 1997-07-10 A. Ahlström Osakeyhtiö Method and apparatus for determining physical variables of a slurry or liquid
US20220025891A1 (en) * 2020-07-24 2022-01-27 Eaton Intelligent Power Limited Control system for a fluid management system
EP4296517A1 (en) * 2022-06-23 2023-12-27 Sulzer Management AG A pump unit for pumping liquid or suspension and a method for controlling of a pump unit

Also Published As

Publication number Publication date
WO2025168881A1 (en) 2025-08-14

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