SE545617C2 - Method and apparatus for determining degree of breaking down of fiber particles into fines in pulp - Google Patents
Method and apparatus for determining degree of breaking down of fiber particles into fines in pulpInfo
- Publication number
- SE545617C2 SE545617C2 SE1950920A SE1950920A SE545617C2 SE 545617 C2 SE545617 C2 SE 545617C2 SE 1950920 A SE1950920 A SE 1950920A SE 1950920 A SE1950920 A SE 1950920A SE 545617 C2 SE545617 C2 SE 545617C2
- Authority
- SE
- Sweden
- Prior art keywords
- pulp
- degree
- fines
- optical
- basis
- Prior art date
Links
- 239000002245 particle Substances 0.000 title claims abstract description 73
- 239000000835 fiber Substances 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims description 30
- 230000003287 optical effect Effects 0.000 claims abstract description 131
- 238000001514 detection method Methods 0.000 claims abstract description 64
- 230000005855 radiation Effects 0.000 claims abstract description 47
- 230000000644 propagated effect Effects 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 12
- 230000010287 polarization Effects 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims description 42
- 238000005259 measurement Methods 0.000 claims description 38
- 238000007670 refining Methods 0.000 claims description 23
- 230000008569 process Effects 0.000 claims description 17
- 238000004590 computer program Methods 0.000 claims description 11
- 230000015654 memory Effects 0.000 claims description 7
- 238000007865 diluting Methods 0.000 claims 2
- 230000006870 function Effects 0.000 description 13
- 230000028161 membrane depolarization Effects 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 239000012895 dilution Substances 0.000 description 5
- 238000010790 dilution Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000010419 fine particle Substances 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 4
- 239000013055 pulp slurry Substances 0.000 description 4
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
-
- 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
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/34—Paper
- G01N33/343—Paper 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/14—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by using rotary bodies, e.g. vane
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
- G01N15/0227—Investigating particle size or size distribution by optical means using imaging; using holography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Optical investigation techniques, e.g. flow cytometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/21—Polarisation-affecting properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/34—Paper
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G9/00—Other accessories for paper-making machines
- D21G9/0009—Paper-making control systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N2011/006—Determining flow properties indirectly by measuring other parameters of the system
- G01N2011/008—Determining flow properties indirectly by measuring other parameters of the system optical properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0042—Investigating dispersion of solids
- G01N2015/0053—Investigating dispersion of solids in liquids, e.g. trouble
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/21—Polarisation-affecting properties
- G01N2021/217—Measuring depolarisation or comparing polarised and depolarised parts of light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8411—Application to online plant, process monitoring
- G01N2021/8416—Application to online plant, process monitoring and process controlling, not otherwise provided for
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8444—Fibrous material
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Dispersion Chemistry (AREA)
- Electromagnetism (AREA)
- Wood Science & Technology (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Crushing And Grinding (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20175109A FI130825B1 (fi) | 2017-02-08 | 2017-02-08 | Menetelmä ja laite määrittää kuitupartikkeleiden hajoamisaste hienoaineeksi massassa |
| PCT/FI2018/050083 WO2018146379A1 (en) | 2017-02-08 | 2018-02-06 | Method and apparatus for determining degree of breaking down of fiber particles into fines in pulp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE1950920A1 SE1950920A1 (en) | 2019-08-08 |
| SE545617C2 true SE545617C2 (en) | 2023-11-14 |
Family
ID=63107281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1950920A SE545617C2 (en) | 2017-02-08 | 2018-02-06 | Method and apparatus for determining degree of breaking down of fiber particles into fines in pulp |
Country Status (3)
| Country | Link |
|---|---|
| FI (1) | FI130825B1 (fi) |
| SE (1) | SE545617C2 (fi) |
| WO (1) | WO2018146379A1 (fi) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960037A (zh) * | 2021-10-23 | 2022-01-21 | 新乡市中誉鼎力软件科技股份有限公司 | 一种在砂石骨料生产中原石用的检测设备及检测系统 |
| FI130730B1 (fi) * | 2021-12-23 | 2024-02-15 | Valmet Automation Oy | Menetelmä ja laite selluloosaprosessin ohjaamiseen |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4171916A (en) * | 1977-11-18 | 1979-10-23 | Ishikawajima-Harima Heavy Industries Co., Ltd. | Apparatus and method for measuring the consistency of a pulp suspension |
| EP0062620A1 (en) * | 1981-03-19 | 1982-10-13 | Svenska Träforskningsinstitutet | Method of measuring the content of fibrillary particles in a pulp |
| WO1986007458A1 (en) * | 1985-06-10 | 1986-12-18 | Chemtronics Ab | Method for measuring the fibre and filler concentration in the wet end of a paper machine and a control system using the method |
| WO1993015389A1 (en) * | 1992-01-24 | 1993-08-05 | Abb Strömberg Drives Oy | Method and apparatus for determination of refiner mechanical pulp properties |
| US5786894A (en) * | 1996-10-25 | 1998-07-28 | International Paper Company | Measurement of paper pulp and fiber visual characteristics |
| CA2304201A1 (en) * | 1997-09-18 | 1999-03-25 | Alberta Research Council Inc. | Analyzer for temperature sensitive colloidal mixtures |
| WO1999015877A1 (en) * | 1997-09-22 | 1999-04-01 | Neles Field Controls Oy | Method and instrument for measuring fibres in suspension |
| US6334930B1 (en) * | 1998-05-27 | 2002-01-01 | Voith Sulzer Papiertechnik Patent Gmbh | Measurement device for quantitatively detecting constituents of a pulp/fluid mixture |
| WO2003046518A1 (en) * | 2001-11-28 | 2003-06-05 | Holmen Aktiebolag | Method and system of apparatus for extracting liquid from cellulose pulp of high pulp consistency for analysis purposes |
| US20050224204A1 (en) * | 2001-02-23 | 2005-10-13 | Matti Hietaniemi | Method and arrangement for controlling short circulation in a paper machine or the like |
| WO2005116637A2 (en) * | 2004-05-17 | 2005-12-08 | Cidra Corporation | Apparatus and method for measuring the composition of a mixture |
| WO2014163563A1 (en) * | 2013-04-02 | 2014-10-09 | Btg Instruments Ab | A method for determining a property of a heterogeneous medium |
-
2017
- 2017-02-08 FI FI20175109A patent/FI130825B1/fi active
-
2018
- 2018-02-06 WO PCT/FI2018/050083 patent/WO2018146379A1/en active Application Filing
- 2018-02-06 SE SE1950920A patent/SE545617C2/en unknown
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4171916A (en) * | 1977-11-18 | 1979-10-23 | Ishikawajima-Harima Heavy Industries Co., Ltd. | Apparatus and method for measuring the consistency of a pulp suspension |
| EP0062620A1 (en) * | 1981-03-19 | 1982-10-13 | Svenska Träforskningsinstitutet | Method of measuring the content of fibrillary particles in a pulp |
| CA1168893A (en) * | 1981-03-19 | 1984-06-12 | Jan G.T. Pettersson | Method of measuring fines in pulp |
| US4514257A (en) * | 1981-03-19 | 1985-04-30 | Svenska Traforskningsinstitutet | Method of measuring fines in pulp suspensions |
| WO1986007458A1 (en) * | 1985-06-10 | 1986-12-18 | Chemtronics Ab | Method for measuring the fibre and filler concentration in the wet end of a paper machine and a control system using the method |
| WO1993015389A1 (en) * | 1992-01-24 | 1993-08-05 | Abb Strömberg Drives Oy | Method and apparatus for determination of refiner mechanical pulp properties |
| US5786894A (en) * | 1996-10-25 | 1998-07-28 | International Paper Company | Measurement of paper pulp and fiber visual characteristics |
| CA2304201A1 (en) * | 1997-09-18 | 1999-03-25 | Alberta Research Council Inc. | Analyzer for temperature sensitive colloidal mixtures |
| WO1999015877A1 (en) * | 1997-09-22 | 1999-04-01 | Neles Field Controls Oy | Method and instrument for measuring fibres in suspension |
| US6334930B1 (en) * | 1998-05-27 | 2002-01-01 | Voith Sulzer Papiertechnik Patent Gmbh | Measurement device for quantitatively detecting constituents of a pulp/fluid mixture |
| US20050224204A1 (en) * | 2001-02-23 | 2005-10-13 | Matti Hietaniemi | Method and arrangement for controlling short circulation in a paper machine or the like |
| WO2003046518A1 (en) * | 2001-11-28 | 2003-06-05 | Holmen Aktiebolag | Method and system of apparatus for extracting liquid from cellulose pulp of high pulp consistency for analysis purposes |
| WO2005116637A2 (en) * | 2004-05-17 | 2005-12-08 | Cidra Corporation | Apparatus and method for measuring the composition of a mixture |
| WO2014163563A1 (en) * | 2013-04-02 | 2014-10-09 | Btg Instruments Ab | A method for determining a property of a heterogeneous medium |
Non-Patent Citations (1)
| Title |
|---|
| Lundberg M. et al., 'Validation of crill measurement in a high-yield pulp refining process for improved fines material control', Nordic Pulp & Paper Research Journal, 2018, Vol. 33, pages 200-209 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FI130825B1 (fi) | 2024-04-09 |
| FI20175109L (fi) | 2018-08-09 |
| SE1950920A1 (en) | 2019-08-08 |
| WO2018146379A1 (en) | 2018-08-16 |
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