SE540722C2 - Method and measurement apparatus for measuring suspension - Google Patents

Method and measurement apparatus for measuring suspension

Info

Publication number
SE540722C2
SE540722C2 SE1751415A SE1751415A SE540722C2 SE 540722 C2 SE540722 C2 SE 540722C2 SE 1751415 A SE1751415 A SE 1751415A SE 1751415 A SE1751415 A SE 1751415A SE 540722 C2 SE540722 C2 SE 540722C2
Authority
SE
Sweden
Prior art keywords
suspension
optical
consistency
intensity
measurement
Prior art date
Application number
SE1751415A
Other languages
English (en)
Other versions
SE1751415A1 (sv
Inventor
Kärki Pasi
Törmänen Matti
Original Assignee
Valmet Automation 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 Automation Oy filed Critical Valmet Automation Oy
Publication of SE1751415A1 publication Critical patent/SE1751415A1/sv
Publication of SE540722C2 publication Critical patent/SE540722C2/sv

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34Paper
    • G01N33/343Paper pulp
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47Scattering, i.e. diffuse reflection
    • G01N21/49Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/532Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke with measurement of scattering and transmission
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/78Controlling or regulating not limited to any particular process or apparatus
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34Purifying; Cleaning
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/255Details, e.g. use of specially adapted sources, lighting or optical systems
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47Scattering, i.e. diffuse reflection
    • G01N21/4738Diffuse reflection, e.g. also for testing fluids, fibrous materials
    • G01N21/474Details of optical heads therefor, e.g. using optical fibres
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47Scattering, i.e. diffuse reflection
    • G01N21/49Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/85Investigating moving fluids or granular solids
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C7/00Digesters
    • D21C7/12Devices for regulating or controlling
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1026Other features in bleaching processes
    • D21C9/1052Controlling the process
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47Scattering, i.e. diffuse reflection
    • G01N21/4738Diffuse reflection, e.g. also for testing fluids, fibrous materials
    • G01N21/474Details of optical heads therefor, e.g. using optical fibres
    • G01N2021/4742Details of optical heads therefor, e.g. using optical fibres comprising optical fibres
    • G01N2021/475Bifurcated bundle
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47Scattering, i.e. diffuse reflection
    • G01N21/4738Diffuse reflection, e.g. also for testing fluids, fibrous materials
    • G01N2021/4764Special kinds of physical applications
    • G01N2021/4769Fluid samples, e.g. slurries, granulates; Compressible powdery of fibrous samples
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N2021/8444Fibrous material
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/85Investigating moving fluids or granular solids
    • G01N2021/8592Grain or other flowing solid samples
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/33Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00Features of devices classified in G01N21/00
    • G01N2201/06Illumination; Optics
    • G01N2201/062LED's
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00Features of devices classified in G01N21/00
    • G01N2201/08Optical fibres; light guides
    • G01N2201/0826Fibre array at source, distributing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00Features of devices classified in G01N21/00
    • G01N2201/08Optical fibres; light guides
    • G01N2201/0833Fibre array at detector, resolving

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
SE1751415A 2016-12-08 2017-11-16 Method and measurement apparatus for measuring suspension SE540722C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20165938A FI127260B (sv) 2016-12-08 2016-12-08 Förfarande och mätanordning för mätning av suspension

Publications (2)

Publication Number Publication Date
SE1751415A1 SE1751415A1 (sv) 2018-06-09
SE540722C2 true SE540722C2 (sv) 2018-10-23

Family

ID=61008621

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1751415A SE540722C2 (sv) 2016-12-08 2017-11-16 Method and measurement apparatus for measuring suspension

Country Status (8)

Country Link
US (1) US10261015B2 (sv)
JP (1) JP6295367B1 (sv)
CN (1) CN108181253B (sv)
AT (1) AT519438B1 (sv)
CA (1) CA2986361C (sv)
DE (1) DE102017128828B4 (sv)
FI (1) FI127260B (sv)
SE (1) SE540722C2 (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI128736B (sv) 2018-03-09 2020-11-13 Valmet Automation Oy Förfarande och mätanordning för mätning av suspension
US11692931B2 (en) 2019-04-19 2023-07-04 Fujikin Incorporated Concentration measurement device

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4787749A (en) * 1985-11-28 1988-11-29 Canon Kabushiki Kaisha Method and apparatus for measuring the thickness of a thin film using the spectral reflection factor of the film
SE463118B (sv) * 1988-02-26 1990-10-08 Btg Kaelle Inventing Ab Foerfarande och anordning foer bestaemning av koncentrationen av ett aemne som aer bundet till partiklar i ett stroemmande medium
US4837446A (en) * 1988-03-31 1989-06-06 International Paper Company Apparatus and process for testing uniformity of pulp
US5220172A (en) * 1991-09-23 1993-06-15 The Babcock & Wilcox Company Fluorescence analyzer for lignin
SE509036C2 (sv) * 1993-06-29 1998-11-30 Foss Tecator Ab Förfarande för mätning av kemiska och fysikaliska parametrar för att karakterisera och klassificera vattensuspensioner
US5486915A (en) 1994-04-12 1996-01-23 The Babcock & Wilcox Company On-line measurement of lignin in wood pulp by color shift of fluorescence
US5500735A (en) * 1994-07-18 1996-03-19 Pulp And Paper Research Institute Of Canada Method and apparatus for on-line measurement of pulp fiber surface development
US6118521A (en) * 1996-01-02 2000-09-12 Lj Laboratories, L.L.C. Apparatus and method for measuring optical characteristics of an object
JP3898307B2 (ja) * 1997-11-05 2007-03-28 三菱レイヨン株式会社 光応答型粒子濃度計
US6475339B1 (en) * 1999-06-03 2002-11-05 Lnstitute Of Paper Science And Technology, Inc Method for rapidly determining a pulp kappa number using spectrophotometry
AU773411B2 (en) * 1999-12-23 2004-05-27 Fpinnovations Determination of kappa number in chemical pulps by raman spectrometry
US6551451B2 (en) * 1999-12-23 2003-04-22 Pulp And Paper Research Institute Of Canada Method for determining liquid content in chemical pulps using ramen spectrometry
FI116699B (sv) 2000-01-21 2006-01-31 Metso Automation Oy Förfarande och mätanordning för mätning av suspension
US20030003000A1 (en) * 2001-06-29 2003-01-02 Shepherd Samuel L. Polyurethane stator for a progressive cavity pump
US6794671B2 (en) * 2002-07-17 2004-09-21 Particle Sizing Systems, Inc. Sensors and methods for high-sensitivity optical particle counting and sizing
EP1706725B1 (en) * 2003-12-03 2019-12-25 FPInnovations Circularly polarized light method for determining wall thickness and orientations of fibrils of cellulosic fibres
RU2390760C2 (ru) 2005-03-04 2010-05-27 ЭфПиИННОВЕЙШНЗ Способ определения числа каппа целлюлозы с помощью спектрометрии в видимом и ближнем инфракрасном диапазоне
FI120163B (sv) * 2005-04-04 2009-07-15 Metso Automation Oy Ändring och mätning av konsistens
US20070004515A1 (en) * 2005-07-01 2007-01-04 Bin Li Portable advertisings display method and system that integrate with wireless network and internet
US20070045157A1 (en) * 2005-08-29 2007-03-01 Kajzer Wieslaw C Recovery of pin chips from a chip washing reject stream
US20110073264A1 (en) * 2009-08-13 2011-03-31 The Research Foundation Of State University Of New York Kraft-Pulping of Hot Water Extracted Woodchips
CN102071721A (zh) * 2010-11-19 2011-05-25 浙江省电力设计院 电厂循环水进排水管沟叠合布置结构
JP5684655B2 (ja) * 2011-06-24 2015-03-18 王子ホールディングス株式会社 漂白工程の多変数制御方法及びその装置
FI124654B (sv) * 2012-12-21 2014-11-28 Metso Automation Oy Mätning av partiklar i suspension
JP6529975B2 (ja) * 2013-12-20 2019-06-12 ジョン ジンク カンパニー,エルエルシー 過酷な環境におけるtdlas測定のポート妨害を監視するための方法および装置
CN104020083B (zh) * 2014-06-13 2016-06-29 重庆大学 一种确定水中悬浮颗粒物散射特性的方法
FI126688B (sv) * 2014-06-30 2017-03-31 Upm Kymmene Corp Förfarande och anordning för att kontrollera kvaliteten av nanofibrillär cellulosa
JP2016032982A (ja) * 2014-07-31 2016-03-10 アイシン精機株式会社 サンルーフの排水装置
CN205643091U (zh) * 2016-05-18 2016-10-12 武汉市普瑞思高科技有限公司 空气悬浮颗粒浓度检测装置

Also Published As

Publication number Publication date
US10261015B2 (en) 2019-04-16
JP2018096983A (ja) 2018-06-21
DE102017128828A1 (de) 2018-06-14
CN108181253B (zh) 2020-10-16
AT519438A1 (de) 2018-06-15
CA2986361A1 (en) 2018-01-24
FI20165938A (sv) 2018-02-15
CA2986361C (en) 2019-09-24
DE102017128828B4 (de) 2019-07-04
SE1751415A1 (sv) 2018-06-09
JP6295367B1 (ja) 2018-03-14
FI127260B (sv) 2018-02-15
US20180164212A1 (en) 2018-06-14
CN108181253A (zh) 2018-06-19
AT519438B1 (de) 2018-12-15

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