FI128736B - Förfarande och mätanordning för mätning av suspension - Google Patents

Förfarande och mätanordning för mätning av suspension Download PDF

Info

Publication number
FI128736B
FI128736B FI20185221A FI20185221A FI128736B FI 128736 B FI128736 B FI 128736B FI 20185221 A FI20185221 A FI 20185221A FI 20185221 A FI20185221 A FI 20185221A FI 128736 B FI128736 B FI 128736B
Authority
FI
Finland
Prior art keywords
optical
suspension
intensity
consistency
wavelength
Prior art date
Application number
FI20185221A
Other languages
English (en)
Finnish (fi)
Other versions
FI20185221A1 (sv
Inventor
Pasi Kärki
Matti Törmänen
Mikko Haapalainen
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
Priority to FI20185221A priority Critical patent/FI128736B/sv
Priority to SE1950243A priority patent/SE542895C2/sv
Priority to CA3035947A priority patent/CA3035947C/en
Priority to DE102019105668.3A priority patent/DE102019105668B4/de
Priority to ATA50177/2019A priority patent/AT521003B1/de
Priority to CN201910172975.5A priority patent/CN110243774B/zh
Publication of FI20185221A1 publication Critical patent/FI20185221A1/sv
Application granted granted Critical
Publication of FI128736B publication Critical patent/FI128736B/sv

Links

Classifications

    • 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
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21GCALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00Other accessories for paper-making machines
    • D21G9/0009Paper-making control systems
    • 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
    • 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
    • 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
    • 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
    • G01N21/31Investigating 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
    • 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
    • G01N21/51Scattering, i.e. diffuse reflection within a body or fluid inside a container, e.g. in an ampoule
    • 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
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0028Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • 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
    • G01N2021/3196Correlating located peaks in spectrum with reference data, e.g. fingerprint data
    • 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
    • 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
    • G01N2021/8405Application to two-phase or mixed materials, e.g. gas dissolved in liquids
    • 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
    • G01N2021/8411Application to online plant, process monitoring
    • 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
    • G01N2201/00Features of devices classified in G01N21/00
    • G01N2201/06Illumination; Optics
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/30Circuits for homodyne or synchrodyne receivers
    • H04B2001/305Circuits for homodyne or synchrodyne receivers using dc offset compensation techniques

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Wood Science & Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FI20185221A 2018-03-09 2018-03-09 Förfarande och mätanordning för mätning av suspension FI128736B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI20185221A FI128736B (sv) 2018-03-09 2018-03-09 Förfarande och mätanordning för mätning av suspension
SE1950243A SE542895C2 (sv) 2018-03-09 2019-02-26 Method and measurement apparatus for measuring suspension
CA3035947A CA3035947C (en) 2018-03-09 2019-03-05 Method and measurement apparatus for measuring suspension
DE102019105668.3A DE102019105668B4 (de) 2018-03-09 2019-03-06 Verfahren und messgerät zum messen einer suspension
ATA50177/2019A AT521003B1 (de) 2018-03-09 2019-03-06 Verfahren und Messgerät zum Messen einer Suspension
CN201910172975.5A CN110243774B (zh) 2018-03-09 2019-03-07 用于测量悬浮液的方法和测量设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20185221A FI128736B (sv) 2018-03-09 2018-03-09 Förfarande och mätanordning för mätning av suspension

Publications (2)

Publication Number Publication Date
FI20185221A1 FI20185221A1 (sv) 2019-09-10
FI128736B true FI128736B (sv) 2020-11-13

Family

ID=67701413

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20185221A FI128736B (sv) 2018-03-09 2018-03-09 Förfarande och mätanordning för mätning av suspension

Country Status (6)

Country Link
CN (1) CN110243774B (sv)
AT (1) AT521003B1 (sv)
CA (1) CA3035947C (sv)
DE (1) DE102019105668B4 (sv)
FI (1) FI128736B (sv)
SE (1) SE542895C2 (sv)

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2435457A1 (fr) * 1978-06-29 1980-04-04 Ugine Kuhlmann Hexahydro-1,2,3,4,4a, 9a anthracene-dione-9,10, sa preparation et son application a la delignification des materiaux lignocellulosiques
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
FI102301B (sv) * 1994-10-13 1998-11-13 Andritz Oy Förfarande för behandling av cellulosamassor
US5953111A (en) * 1997-12-11 1999-09-14 Honeywell Inc. Continuous in-line kappa measurement system
US6069688A (en) * 1997-12-11 2000-05-30 Honeywell International Inc. Method for producing continuous in-like kappa measurements for papermaking pulps
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
SE516232C2 (sv) 2000-04-14 2001-12-03 Stora Kopparbergs Bergslags Ab Sätt vid framställning av massa samt produkt av sättet
SE0002047L (sv) * 2000-05-31 2001-11-19 Kvaerner Pulping Tech Förfarande för reglering av en process för tillverkning av pappersmassa genom optisk mätning av mängden hexenuronsyra
WO2006086873A1 (en) * 2005-02-16 2006-08-24 Fpinnovations Method for determining native wood constituents using visible-light raman spectrometry
EP1859253B1 (en) * 2005-03-04 2012-09-12 FPInnovations Method for determining chemical pulp kappa number with visible-near infrared spectrometry, and means therefor
US8295371B2 (en) * 2006-07-14 2012-10-23 Qualcomm Incorporated Multi-carrier receiver for wireless communication
JP5285896B2 (ja) * 2007-12-05 2013-09-11 大王製紙株式会社 漂白アルカリ化学パルプの製造方法
FI123789B (sv) * 2010-11-30 2013-10-31 Metso Automation Oy Mätning av mängden fast substans i en suspension
TWI553190B (zh) * 2011-07-25 2016-10-11 王子控股股份有限公司 非塗覆紙及塗覆紙
FI123926B (sv) * 2012-04-03 2013-12-13 Upm Kymmene Corp Förfarande för blekning av massa
CN104977339A (zh) * 2014-04-04 2015-10-14 浙江海洋学院 一种用于检测大田软海绵酸的基于磁性纳米粒子修饰的酶传感器及制备方法
CN104452394A (zh) * 2014-10-28 2015-03-25 广西大学 一种通过生物酶预处理减少蔗渣浆中己烯糖醛酸的方法
CN104987379B (zh) * 2015-07-08 2018-08-03 武汉市畜牧兽医科学研究所 一种奶牛早期妊娠阶段血清中的差异蛋白及其用途
FI127260B (sv) 2016-12-08 2018-02-15 Valmet Automation Oy Förfarande och mätanordning för mätning av suspension

Also Published As

Publication number Publication date
AT521003B1 (de) 2020-03-15
CN110243774B (zh) 2021-12-31
FI20185221A1 (sv) 2019-09-10
CA3035947A1 (en) 2019-09-09
AT521003A1 (de) 2019-09-15
SE542895C2 (sv) 2020-08-18
SE1950243A1 (sv) 2019-09-10
DE102019105668A1 (de) 2019-09-12
DE102019105668B4 (de) 2022-07-14
CA3035947C (en) 2021-06-01
CN110243774A (zh) 2019-09-17

Similar Documents

Publication Publication Date Title
EP0786082B1 (en) A method of determining the organic content in pulp and paper mill effluents
Fardim et al. Multivariate calibration for quantitative analysis of eucalypt kraft pulp by NIR spectrometry
US6551451B2 (en) Method for determining liquid content in chemical pulps using ramen spectrometry
CA2986361C (en) Method and measurement apparatus for measuring suspension
CA2398232C (en) Method and measurement device for measuring suspension
CA2392292C (en) Determination of kappa number in chemical pulps by raman spectrometry
FI128736B (sv) Förfarande och mätanordning för mätning av suspension
BR112019026809A2 (pt) monitoramento de qualidadade da polpa
CN106644969A (zh) 一种原位测定化学浆冷碱浸渍过程碳水化合物溶出量方法
Jeffers et al. Performance characteristics of fiber optic lignin concentration sensor

Legal Events

Date Code Title Description
FG Patent granted

Ref document number: 128736

Country of ref document: FI

Kind code of ref document: B