FI130825B1 - Menetelmä ja laite määrittää kuitupartikkeleiden hajoamisaste hienoaineeksi massassa - Google Patents
Menetelmä ja laite määrittää kuitupartikkeleiden hajoamisaste hienoaineeksi massassa Download PDFInfo
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- FI130825B1 FI130825B1 FI20175109A FI20175109A FI130825B1 FI 130825 B1 FI130825 B1 FI 130825B1 FI 20175109 A FI20175109 A FI 20175109A FI 20175109 A FI20175109 A FI 20175109A FI 130825 B1 FI130825 B1 FI 130825B1
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- 239000000835 fiber Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims description 26
- 230000003287 optical effect Effects 0.000 claims abstract description 126
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- 230000005855 radiation Effects 0.000 claims abstract description 45
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- 238000005259 measurement Methods 0.000 claims description 31
- 238000007670 refining Methods 0.000 claims description 22
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- 238000007865 diluting Methods 0.000 claims 3
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- 239000013055 pulp slurry Substances 0.000 description 4
- 239000010419 fine particle Substances 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
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- 239000007795 chemical reaction product Substances 0.000 description 2
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- 150000004706 metal oxides Chemical class 0.000 description 1
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- 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
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Classifications
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N15/06—Investigating concentration of particle suspensions
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- G01N15/10—Investigating individual particles
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- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/21—Polarisation-affecting properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
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- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
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- G—PHYSICS
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- G01N21/84—Systems specially adapted for particular applications
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- 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
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- Physics & Mathematics (AREA)
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- General Health & Medical Sciences (AREA)
- Immunology (AREA)
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
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Abstract
Kuituhiukkasten hienoainekseksi hajoamisen asteen määrittäminen paperimassassa suoritetaan johtamalla (1000) optista säteilyä paperimassaan (104); ja määrittämällä (1002) kuituhiukkasten hienoainekseksi hajoamisen aste paperimassassa (104) paperimassan (104) kanssa vuorovaikutuksessa olevien ainakin kahden eri optisen kaistan (106) optisten tehojen ensisijaisen havainnoinnin perusteella, ja ainakin yhden seuraavista toissijaisista havainnoista perusteella: paperimassan (104) läpi edenneen optisen säteilyn polarointi, paperimassan (104) läpi edenneen mikroaaltosäteilyn ominaisuus, paperimassan (104) ja materiaalin rakenteen (400, 504, 506) välisen liikkeen aiheuttama voima paperimassassa (104), ja hiukkaset ainakin yhdessä paperimassan (104) kuvassa.
Claims (12)
1. Menetelmä, jonka avulla määritetään — kuituhiukkasten hienoainekseksi hajoamisen aste paperimassassa, menetelmä käsittää optisen säteilyn johtamisen (1000) paperimassaan (104), menetelmän käsittäessä verrataan paperimassan (104) kanssa vuorovaikutuksessa olevien optisten tehojen primaarisen detektoinnin ainakin kahden eri optisen kaistan (106) optisia tehoja, tunnettu siitä, että laimennetaan paperimassa (104) kunnes toinen mittaustulos, joka on muodostettu ainakin yhden sekundaarisen detektoinnin perusteella, on saavuttanut halutun arvon, sekundaaristen detektointien käsittäessä ainekin yksi seuraavista: paperimassan (104) läpi edenneen optisen säteilyn polarisaatio, paperimassan (104) läpi edenneen mikroaaltosäteilyn ominaisuus, paperimassan (104) ja paperimassassa (104) olevan materiaalirakenteen (400, 504, 506) — välisen liikkeen aiheuttama voima ja paperimassan (104) ainakin yhdessä kuvassa olevat hiukkaset; ja määritetään (1002) kuituhiukkasten hienoainekseksi hajoamisen aste paperimassassa (104) sekä vertailun että ainakin yhden halutun arvon saavuttaneen sekundaarisen detektoinnin perusteella.
2. Patenttivaatimuksen 1 menetelmä, tunnettu siitä, että korjataan ensimmäinen mittaustulos, joka perustuu ilmaisimien (114, 116) primaarisen N detektointiin, ainakin yhden detektorien (206, 302, 404, 514 600) 5 sekundaariseen detektointiin perustuen ja muodostetaan kuituhiukkasten = hienoainekseksi hajoamisen aste paperimassassa (104) korjatun ensimmäisen = 25 mittaustuloksen perusteella. a a
2 3. Patenttivaatimuksen 1 tai 2 menetelmä, tunnettu siitä, että lo muodostetaan kuituhiukkasten hienoainekseksi hajoamisen aste paperimassassa > primaarisen detektoinnin ja sakeuden perusteella, sakeuden ollessa määritetty ainakin yhden sekundaarisen detektoinnin perusteella.
4. Patenttivaatimuksen 1 menetelmä, tunnettu siitä, että korjataan alustava jalostusaste, joka perustuu paperimassan (104) kanssa vuorovaikutuksessa olleen optisen tehon ainakin kahden eri optisen kaistan (106) optisten tehojen vertailuun, ainakin yhden sekundaarisen detektoinnin avulla, jota käytetään kuituhiukkasten hienoainekseksi hajoamisen asteen muodostamiseen paperimassassa (104).
5. Patenttivaatimuksen 1 menetelmä, tunnettu siitä että ohjataan paperimassan käsittelyprosessia (900) perustuen paperimassassa olevien kuituhiukkasten hienoainekseksi hajoamisen asteeseen.
6. Laite kuituhiukkasten hienoainekseksi hajoamisen asteen määrittämiseksi paperimassassa, jolloin laite käsittää ensimmäisen — detektointiyksikön (100), joka on järjestetty suorittamaan paperimassan (104) kanssa vuorovaikutuksessa olevien ainakin kahden eri optisen kaistan (106) optisten tehojen primaarinen detektointi, tunnettu siitä, että laite käsittää laimennusvälineet paperimassan (104) laimentamiseksi, prosessointiyksikön (108), joka on järjestetty vastaanottamaan seuraavia sekundaarisia detektointeja koskevaa tietoa: paperimassan (104) läpi edenneen optisen säteilyn polarisaatio, paperimassan (104) läpi edenneen mikroaaltosäteilyn ominaisuus, paperimassan (104) ja materiaalin rakenteen (400, 504, 506) välisen liikkeen aiheuttama voima N paperimassassa (104), ja hiukkaset ainakin yhdessä paperimassan (104) kuvassa, 5 vertaamaan paperimassan (104) kanssa vuorovaikutuksessa olevien = optisten tehojen primaarisen detektoinnin ainakin kahden eri optisen kaistan = 25 (106) optisia tehoja, ja 2 määrittämään kuituhiukkasten hienoainekseksi hajoamisen aste S paperimassassa (104) perustuen sekä vertailuun että informaatioon 2 primaarisesta detektoinnista, joka on tehty halutulla arvolla suhteessa N sekundaarisiin detektointeihin.
7. Patenttivaatimuksen 6 laite, tunnettu siitä, että laite käsittää toisen detektointiyksikön (102), joka on järjestetty suorittamaan ainakin yksi sekundaarisista detektoinneista.
8. Patenttivaatimuksen 6 laite, tunnettu siitä, että prosessointiyksikkö (108) on järjestetty korjaamaan ensimmäinen mittaustulos detektorien (114, 116) primaarisen detektoinnin perusteella ainakin yhteen sekundaaristen detektorien (206, 302, 404, 514, 600) detektointiin perustuen ja muodostamaan kuituhiukkasten hienoainekseksi hajoamisen aste paperimassassa 104 korjatun ensimmäisen mittaustuloksen perusteella.
9. Patenttivaatimuksen 6 tai 8 laite, tunnettu siitä, että prosessointiyksikkö (108) on järjestetty muodostamaan kuituhiukkasten hienoainekseksi hajoamisen aste paperimassassa primaarisen detektoinnin ja sakeuden perusteella, sakeuden ollessa määritetty ainakin yhden sekundaarisen detektoinnin perusteella.
10. Patenttivaatimuksen 6 tai 10 laite, tunnettu siitä, että prosessointiyksikkö (108) on järjestetty muodostamaan alustava jalostusaste vertaamalla kahden eri optisen kaistan (106) välisiä optisia tehoja ja korjaamaan alustava jalostusaste ainakin yhden sekundaarisen detektoinnin avulla kuituhiukkasten — hienoainekseksi — hajoamisen asteen muodostamiseksi paperimassassa (104). N
11. Patenttivaatimuksen 6 laite, tunnettu siitä, että laite käsittää 3 ohjaimen (902), joka on järjestetty ohjaamaan paperimassankäsittelyprosessia n (900) kuituhiukkasten määritetyn hienoainekseksi hajoamisen asteen perusteella z paperimassassa (104). a 2 25
12. Patenttivaatimuksen 6 laite, tunnettu siitä, että lo prosessointiyksikkö (108) käsittää ? yhden tai useamman prosessorin (800); ja yhden tai useamman muistin (802), joka sisältää tietokoneohjelmakoodia; yksi tai useampi muisti (802) ja tietokoneohjelmakoodi on järjestetty saamaan = laite = suorittamaan = ainakin — paperimassan (104) kanssa vuorovaikutuksessa olevien optisten tehojen ainakin kahden eri optisen taajuuden (106) optisten tehojen primaarisen detektoinnin vertailu yhden tai useamman prosessorin (800) avulla ja määrittämään (1002) kuituhiukkasten hienoainekseksi hajoamisen aste paperimassassa (104). <t N O N + I 9 O I a a O O 0 K O N
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20175109A FI130825B1 (fi) | 2017-02-08 | 2017-02-08 | Menetelmä ja laite määrittää kuitupartikkeleiden hajoamisaste hienoaineeksi massassa |
| 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 |
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20175109A FI130825B1 (fi) | 2017-02-08 | 2017-02-08 | Menetelmä ja laite määrittää kuitupartikkeleiden hajoamisaste hienoaineeksi massassa |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI20175109L FI20175109L (fi) | 2018-08-09 |
| FI130825B1 true FI130825B1 (fi) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| FI20175109A FI130825B1 (fi) | 2017-02-08 | 2017-02-08 | Menetelmä ja laite määrittää kuitupartikkeleiden hajoamisaste hienoaineeksi massassa |
Country Status (3)
| Country | Link |
|---|---|
| FI (1) | FI130825B1 (fi) |
| SE (1) | SE545617C2 (fi) |
| WO (1) | WO2018146379A1 (fi) |
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| 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*** |
| FI130730B1 (fi) * | 2021-12-23 | 2024-02-15 | Valmet Automation Oy | Menetelmä ja laite selluloosaprosessin ohjaamiseen |
Family Cites Families (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 |
| SE450528B (sv) * | 1981-03-19 | 1987-06-29 | Svenska Traeforskningsinst | Forfarande for metning av innehallet av kryll i pappersmassa |
| 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 |
| FI91446C (fi) * | 1992-01-24 | 1994-06-27 | Abb Stroemberg Drives Oy | Menetelmä ja laitteisto hierteen freeneksen määrittämiseksi |
| US5786894A (en) * | 1996-10-25 | 1998-07-28 | International Paper Company | Measurement of paper pulp and fiber visual characteristics |
| CA2304201C (en) * | 1997-09-18 | 2010-09-14 | Alberta Research Council Inc. | Analyzer for temperature sensitive colloidal mixtures |
| FI111102B (fi) * | 1997-09-22 | 2003-05-30 | Metso Automation Oy | Menetelmä suspensiossa olevien hiukkasten mittaamiseksi ja mittalaite |
| DE19823695A1 (de) * | 1998-05-27 | 1999-12-02 | Voith Sulzer Papiertech Patent | Verfahren und Meßgerät zur quantitativen Erfassung von Inhaltsstoffen |
| FI115539B (fi) * | 2001-02-23 | 2005-05-31 | Metso Automation Oy | Menetelmä ja järjestelmä paperikoneen tai vastaavan lyhyen kierron säädössä |
| SE520297C2 (sv) * | 2001-11-28 | 2003-06-24 | Holmen Ab | Förfarande och apparatursystem för utvinning av vätska för analysändamål ur cellulosamassa med hög massakoncentration |
| US7363800B2 (en) * | 2004-05-17 | 2008-04-29 | Cidra Corporation | Apparatus and method for measuring compositional parameters of a mixture |
| SE537725C2 (sv) * | 2013-04-02 | 2015-10-06 | Btg Instr Ab | Metod för bestämning av egenskaper hos heterogena media |
-
2017
- 2017-02-08 FI FI20175109A patent/FI130825B1/fi active
-
2018
- 2018-02-06 SE SE1950920A patent/SE545617C2/en unknown
- 2018-02-06 WO PCT/FI2018/050083 patent/WO2018146379A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| FI20175109L (fi) | 2018-08-09 |
| SE1950920A1 (en) | 2019-08-08 |
| SE545617C2 (en) | 2023-11-14 |
| WO2018146379A1 (en) | 2018-08-16 |
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