SE1951117A1 - Electronic scale for continuous digester feeder - Google Patents

Electronic scale for continuous digester feeder

Info

Publication number
SE1951117A1
SE1951117A1 SE1951117A SE1951117A SE1951117A1 SE 1951117 A1 SE1951117 A1 SE 1951117A1 SE 1951117 A SE1951117 A SE 1951117A SE 1951117 A SE1951117 A SE 1951117A SE 1951117 A1 SE1951117 A1 SE 1951117A1
Authority
SE
Sweden
Prior art keywords
rotor
feeder
magnet
continuous digester
housing
Prior art date
Application number
SE1951117A
Other languages
English (en)
Inventor
Klas Kramer
My Andersson
Original Assignee
Valmet 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 Valmet Oy filed Critical Valmet Oy
Priority to SE1951117A priority Critical patent/SE1951117A1/sv
Publication of SE1951117A1 publication Critical patent/SE1951117A1/sv

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
    • D21C7/00—Digesters
    • D21C7/06—Feeding devices
    • 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
    • D21C7/12—Devices for regulating or controlling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Paper (AREA)
SE1951117A 2019-10-01 2019-10-01 Electronic scale for continuous digester feeder SE1951117A1 (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE1951117A SE1951117A1 (sv) 2019-10-01 2019-10-01 Electronic scale for continuous digester feeder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1951117A SE1951117A1 (sv) 2019-10-01 2019-10-01 Electronic scale for continuous digester feeder

Publications (1)

Publication Number Publication Date
SE1951117A1 true SE1951117A1 (sv) 2021-04-02

Family

ID=75584716

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1951117A SE1951117A1 (sv) 2019-10-01 2019-10-01 Electronic scale for continuous digester feeder

Country Status (1)

Country Link
SE (1) SE1951117A1 (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4227461A1 (en) 2022-02-10 2023-08-16 Valmet Technologies Oy Measuring system of a feeder

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0641890A (ja) * 1991-06-27 1994-02-15 Abb Gadelius Kk 高圧フィーダー制御装置
US5597446A (en) * 1992-01-31 1997-01-28 New Oji Paper Co., Ltd. Method of controlling a position of rotor in a high pressure feeder
EP1241437A1 (de) * 2001-02-23 2002-09-18 Philips Corporate Intellectual Property GmbH Magnetischer Positionssensor, Ventilstössel mit Magnethülse ( Ringscheiben )
WO2004079086A1 (en) * 2003-03-05 2004-09-16 Kvaerner Pulping Ab An arrangement for adjusting rotor position in a roting sluice
JP2006300631A (ja) * 2005-04-19 2006-11-02 Midori Sokki:Kk 直線変位センサー
US20090142147A1 (en) * 2007-11-01 2009-06-04 Andritz Inc. Monitoring and adjustment system and method for a high pressure feeder in a cellulose chip feeding system for a continuous digester
JP2019158655A (ja) * 2018-03-14 2019-09-19 Tdk株式会社 シャフトユニットおよびその製造方法、位置検出装置、ならびに磁気部材

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0641890A (ja) * 1991-06-27 1994-02-15 Abb Gadelius Kk 高圧フィーダー制御装置
US5597446A (en) * 1992-01-31 1997-01-28 New Oji Paper Co., Ltd. Method of controlling a position of rotor in a high pressure feeder
EP1241437A1 (de) * 2001-02-23 2002-09-18 Philips Corporate Intellectual Property GmbH Magnetischer Positionssensor, Ventilstössel mit Magnethülse ( Ringscheiben )
WO2004079086A1 (en) * 2003-03-05 2004-09-16 Kvaerner Pulping Ab An arrangement for adjusting rotor position in a roting sluice
JP2006300631A (ja) * 2005-04-19 2006-11-02 Midori Sokki:Kk 直線変位センサー
US20090142147A1 (en) * 2007-11-01 2009-06-04 Andritz Inc. Monitoring and adjustment system and method for a high pressure feeder in a cellulose chip feeding system for a continuous digester
JP2019158655A (ja) * 2018-03-14 2019-09-19 Tdk株式会社 シャフトユニットおよびその製造方法、位置検出装置、ならびに磁気部材

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Finding the right sensor for linear displacement", Mraz, S., 8th of July, 2004, https://www.machinedesign.com/automation-iiot/sensors/article/21832514/finding-the-right-sensor-for-linear-displacement *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4227461A1 (en) 2022-02-10 2023-08-16 Valmet Technologies Oy Measuring system of a feeder

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