CA2549576A1 - Methode et dispositif d'estimation de la proportion relative des essences de copeaux de bois pour alimentation dans un processus de production de pate - Google Patents
Methode et dispositif d'estimation de la proportion relative des essences de copeaux de bois pour alimentation dans un processus de production de pate Download PDFInfo
- Publication number
- CA2549576A1 CA2549576A1 CA 2549576 CA2549576A CA2549576A1 CA 2549576 A1 CA2549576 A1 CA 2549576A1 CA 2549576 CA2549576 CA 2549576 CA 2549576 A CA2549576 A CA 2549576A CA 2549576 A1 CA2549576 A1 CA 2549576A1
- Authority
- CA
- Canada
- Prior art keywords
- wood
- wood chips
- mass
- data
- density
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
Links
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
-
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
-
- 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
- G01N21/55—Specular reflectivity
-
- 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
- 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
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
- G01N21/898—Irregularities in textured or patterned surfaces, e.g. textiles, wood
- G01N21/8986—Wood
-
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
- G01N21/3559—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content in sheets, e.g. in paper
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Wood Science & Technology (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2549576 CA2549576A1 (fr) | 2005-06-03 | 2006-06-05 | Methode et dispositif d'estimation de la proportion relative des essences de copeaux de bois pour alimentation dans un processus de production de pate |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2,509,075 | 2005-06-03 | ||
| CA2509075 | 2005-06-03 | ||
| CA 2549576 CA2549576A1 (fr) | 2005-06-03 | 2006-06-05 | Methode et dispositif d'estimation de la proportion relative des essences de copeaux de bois pour alimentation dans un processus de production de pate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2549576A1 true CA2549576A1 (fr) | 2006-12-03 |
Family
ID=37545686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2549576 Abandoned CA2549576A1 (fr) | 2005-06-03 | 2006-06-05 | Methode et dispositif d'estimation de la proportion relative des essences de copeaux de bois pour alimentation dans un processus de production de pate |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2549576A1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2781911A1 (fr) * | 2013-03-18 | 2014-09-24 | ABB Research Ltd. | Système de capteur et procédé pour déterminer des paramètres de qualité de feuilles de papier |
| US20210372940A1 (en) * | 2019-02-15 | 2021-12-02 | Event Capture Systems, Inc. | Online method to determine quality standards for incoming wood chips to a papermill |
-
2006
- 2006-06-05 CA CA 2549576 patent/CA2549576A1/fr not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2781911A1 (fr) * | 2013-03-18 | 2014-09-24 | ABB Research Ltd. | Système de capteur et procédé pour déterminer des paramètres de qualité de feuilles de papier |
| US9423791B2 (en) | 2013-03-18 | 2016-08-23 | Abb Research Ltd | Sensor system and method for determining paper sheet quality parameters |
| US20210372940A1 (en) * | 2019-02-15 | 2021-12-02 | Event Capture Systems, Inc. | Online method to determine quality standards for incoming wood chips to a papermill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |