SE458967B - Foerfarande och anordning baserande sig paa ekolodning med ultraljud foer att foelja med banbildningen och/eller massasuspensionsstroemmen paa viradelen och/eller i inloppslaadan i en pappersmaskin . - Google Patents
Foerfarande och anordning baserande sig paa ekolodning med ultraljud foer att foelja med banbildningen och/eller massasuspensionsstroemmen paa viradelen och/eller i inloppslaadan i en pappersmaskin .Info
- Publication number
- SE458967B SE458967B SE8403570A SE8403570A SE458967B SE 458967 B SE458967 B SE 458967B SE 8403570 A SE8403570 A SE 8403570A SE 8403570 A SE8403570 A SE 8403570A SE 458967 B SE458967 B SE 458967B
- Authority
- SE
- Sweden
- Prior art keywords
- sensor
- pulp suspension
- ultrasonic
- layer
- focusing
- Prior art date
Links
- 239000000725 suspension Substances 0.000 title claims description 51
- 238000000034 method Methods 0.000 title claims description 37
- 238000002604 ultrasonography Methods 0.000 title claims description 13
- 239000013078 crystal Substances 0.000 claims description 21
- 239000000835 fiber Substances 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 238000000527 sonication Methods 0.000 claims 1
- 239000000123 paper Substances 0.000 description 15
- 244000144992 flock Species 0.000 description 12
- 238000009826 distribution Methods 0.000 description 7
- 238000011161 development Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 210000000795 conjunctiva Anatomy 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009950 felting Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
-
- 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
- D21G9/0027—Paper-making control systems controlling the forming section
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/06—Regulating pulp flow
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
- D21F7/06—Indicating or regulating the thickness of the layer; Signal devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
- G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Computer Networks & Wireless Communication (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI832483A FI71018C (fi) | 1983-07-06 | 1983-07-06 | Foerfarande baserande sig pao ekolodning med ultraljud foer at foelja med banbildningen och/eller massasuspensionsstroe mmn pao en viradel och/eller i en inloppslaoda i en pappers makin och anordning foer tillaempning av foerfarandet samt vanendning av foerfarandet och/eller anordningen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8403570D0 SE8403570D0 (sv) | 1984-07-05 |
| SE8403570L SE8403570L (sv) | 1985-01-07 |
| SE458967B true SE458967B (sv) | 1989-05-22 |
Family
ID=8517475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8403570A SE458967B (sv) | 1983-07-06 | 1984-07-05 | Foerfarande och anordning baserande sig paa ekolodning med ultraljud foer att foelja med banbildningen och/eller massasuspensionsstroemmen paa viradelen och/eller i inloppslaadan i en pappersmaskin . |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4574624A (fi) |
| CA (1) | CA1218449A (fi) |
| DE (1) | DE3424044A1 (fi) |
| FI (1) | FI71018C (fi) |
| SE (1) | SE458967B (fi) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4857747A (en) * | 1988-02-24 | 1989-08-15 | Albany International Corporation | Method and apparatus for analyzing the formation of a web of material via generating a formation index |
| US5062299A (en) * | 1990-01-05 | 1991-11-05 | Lever Brothers Company, Division Of Conopco, Inc. | Apparatus and method for detecting inhomogeneities in semi-plastic substances through ultrasound |
| US5130950A (en) * | 1990-05-16 | 1992-07-14 | Schlumberger Technology Corporation | Ultrasonic measurement apparatus |
| CA2104894A1 (en) * | 1992-11-19 | 1994-05-20 | Robert P. Kraus, Jr. | Entrained air measurement apparatus and method |
| CA2133286C (en) * | 1993-09-30 | 2005-08-09 | Gordon Moake | Apparatus and method for measuring a borehole |
| DK176116B1 (da) | 1997-03-18 | 2006-08-14 | Wesser & Dueholm | Fremgangsmåde til fremstilling af spånplader, fiberplader og lignende |
| US6129817A (en) * | 1997-07-10 | 2000-10-10 | Westvaco Corporation | Unified on-line/off-line paper web formation analyzer |
| US6149770A (en) * | 1998-04-14 | 2000-11-21 | Honeywell-Measurex Corporation | Underwire water weight turbulence sensor |
| GB9915707D0 (en) * | 1999-07-05 | 1999-09-08 | Young Michael J R | Method and apparatus for focused treatment of subcutaneous blood vessels |
| DE10022110B4 (de) * | 2000-05-08 | 2007-10-25 | Dieter Ronnenberg | Beeinflussung eines Bahneigenschafts-Profiles mittels mindestens eines Schallfeldes |
| SE516861C3 (sv) * | 2000-07-14 | 2002-04-17 | Abb Ab | Raffinörstryrning |
| US9772311B2 (en) | 2000-07-14 | 2017-09-26 | Acosense Ab | Active acoustic method for predicting properties of process fluids comprising solid particles or gas/liquid volumes based on their size distribution and concentration |
| SE516979C2 (sv) * | 2000-07-14 | 2002-03-26 | Abb Ab | Aktiv akustisk spektroskopi |
| DE10247555A1 (de) * | 2002-10-11 | 2004-04-22 | Voith Paper Patent Gmbh | Verfahren zur Herstellung einer Faserstoffbahn und Überwachungssystem |
| EP1556544A2 (en) * | 2002-11-01 | 2005-07-27 | International Paper Company | Method of making a stratified paper |
| EP1785525B1 (en) | 2005-11-14 | 2013-03-06 | Metso Automation Oy | Measurement of paper/board process |
| US7832257B2 (en) * | 2007-10-05 | 2010-11-16 | Halliburton Energy Services Inc. | Determining fluid rheological properties |
| US20090157329A1 (en) * | 2007-12-14 | 2009-06-18 | Glenn Weightman | Determining Solid Content Concentration in a Fluid Stream |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE312938B (fi) * | 1964-11-17 | 1969-07-28 | Valmet Oy | |
| CH509569A (de) * | 1970-06-16 | 1971-06-30 | Zellweger Uster Ag | Verfahren und Vorrichtung zur Bestimmung des Querschnittes von Erzeugnissen der Textilindustrie, insbesondere demjenigen von Garnen, Vorgarnen und Bändern |
| US4320660A (en) * | 1978-01-03 | 1982-03-23 | Raytheon Company | Fresnel focussed imaging system |
| US4332016A (en) * | 1979-01-26 | 1982-05-25 | A/S Tomra Systems | Method, apparatus and transducer for measurement of dimensions |
| US4412451A (en) * | 1980-05-21 | 1983-11-01 | Outokumpu Oy | Method and apparatus for the determination of the average particle size in a slurry |
| GB2091520A (en) * | 1981-01-13 | 1982-07-28 | Yokogawa Electric Works Ltd | Ultrasonic Probe |
| US4389893A (en) * | 1981-06-01 | 1983-06-28 | North American Philips Corporation | Precision ultrasound attenuation measurement |
| US4381674A (en) * | 1981-06-22 | 1983-05-03 | Micro Pure Systems, Inc. | Ultrasonic detecting and identifying of particulates |
| DE3237357C2 (de) * | 1982-01-18 | 1985-12-19 | Zellweger Uster Ag, Uster | Vorrichtung zur Messung charakteristischer Merkmale von Fasermaterial |
| US4509360A (en) * | 1983-06-24 | 1985-04-09 | Massachusetts Institute Of Technology | On-line measurement of fluid mixtures |
-
1983
- 1983-07-06 FI FI832483A patent/FI71018C/fi not_active IP Right Cessation
-
1984
- 1984-06-22 US US06/623,363 patent/US4574624A/en not_active Expired - Fee Related
- 1984-06-29 DE DE19843424044 patent/DE3424044A1/de not_active Withdrawn
- 1984-07-05 CA CA000458237A patent/CA1218449A/en not_active Expired
- 1984-07-05 SE SE8403570A patent/SE458967B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI71018B (fi) | 1986-07-18 |
| DE3424044A1 (de) | 1985-01-17 |
| SE8403570D0 (sv) | 1984-07-05 |
| CA1218449A (en) | 1987-02-24 |
| SE8403570L (sv) | 1985-01-07 |
| FI832483L (fi) | 1985-01-07 |
| FI71018C (fi) | 1986-10-27 |
| FI832483A0 (fi) | 1983-07-06 |
| US4574624A (en) | 1986-03-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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