FI120604B - Förfarande för att förbättra noggrannheten hos fuktmätning baserad på elektriska egenskaper eller elektromagnetisk vågrörelse - Google Patents
Förfarande för att förbättra noggrannheten hos fuktmätning baserad på elektriska egenskaper eller elektromagnetisk vågrörelse Download PDFInfo
- Publication number
- FI120604B FI120604B FI20012106A FI20012106A FI120604B FI 120604 B FI120604 B FI 120604B FI 20012106 A FI20012106 A FI 20012106A FI 20012106 A FI20012106 A FI 20012106A FI 120604 B FI120604 B FI 120604B
- Authority
- FI
- Finland
- Prior art keywords
- measurement
- moisture
- electrical properties
- accuracy
- pulp
- Prior art date
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000008187 granular material Substances 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 8
- 238000000691 measurement method Methods 0.000 abstract description 3
- 230000005672 electromagnetic field Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000000203 mixture Substances 0.000 description 8
- 230000005855 radiation Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000005499 meniscus Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004441 surface measurement Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/02—Controlling the operation of the mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/02—Controlling the operation of the mixing
- B28C7/022—Controlling the operation of the mixing by measuring the consistency or composition of the mixture, e.g. with supply of a missing component
- B28C7/024—Controlling the operation of the mixing by measuring the consistency or composition of the mixture, e.g. with supply of a missing component by measuring properties of the mixture, e.g. moisture, electrical resistivity, density
-
- 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
- G01N22/04—Investigating moisture content
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
-
- 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
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/24—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing the transmission of wave or particle radiation through the material
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Ceramic Engineering (AREA)
- Electromagnetism (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Claims (6)
1. Förfarande för förbättring av precisionen av fuktighetsmätning, son grundar sig pä elektriska egenskaper eller elektromagnetisk vägrörelse av granulärt material, 5 kännetecknat därav, att under elektromagnetisk mätning mäts ythöjden av en massa i blandaren under blandning och kompenseras det av variation i skrymdensitet beroende felet pä basen av ett pä bulking-företeelse baserat känt beroende, och att precisionen av mätning förbättras utöver mätningen av ythöjden av massan genom användning av andra vid blandningstiden kända eller mätta pä 10 dielektrisitetförändringen inverkande korrigeringsfaktorer.
2. Förfarande enligt patentkravet 1, kännetecknat därav, att ythöjden av massan i blandaren mäts med en ultraljuds-, laser-, eller annan motsvarande ythöjdmätare. 15
3. Förfarande enligt patentkravet 1 eller 2, kännetecknat därav, att den vid fuktighetsmätningen använda elektromagnetiska vägrörelsen är mikrovägrörelse.
4. Förfarande enligt patentkravet 1 eller 2, kännetecknat därav, att det vid fuktighetsmätningen använda pä elektriska egenskaper baserade förfarandet 20 grundar sig pä förändring av kapacitans.
5. Förfarande enligt patentkravet 1 eller 2, kännetecknat därav, att det vid fuktighetsmätningen använda pä elektriska egenskaper baserade förfarandet grundar sig pä förändring av ledningsförmägan. 25
6. Förfarande enligt nägot av de föregäende patentkraven, kännetecknat därav, att massan, vars fuktighet mäts är betongmassa.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20012106A FI120604B (sv) | 2001-10-31 | 2001-10-31 | Förfarande för att förbättra noggrannheten hos fuktmätning baserad på elektriska egenskaper eller elektromagnetisk vågrörelse |
| DE60237953T DE60237953D1 (de) | 2001-10-31 | 2002-10-28 | Verfahren zur Messung der Feuchtigkeit in Zement mit Hilfe eines elektromagnetischen Feldes |
| DK02396158.4T DK1308725T3 (da) | 2001-10-31 | 2002-10-28 | Fremgangsmåde til fugtmåling i beton ved hjælp af elektromagnetiske felter |
| AT02396158T ATE484743T1 (de) | 2001-10-31 | 2002-10-28 | Verfahren zur messung der feuchtigkeit in zement mit hilfe eines elektromagnetischen feldes |
| EP02396158A EP1308725B1 (en) | 2001-10-31 | 2002-10-28 | Method for moisture measurement in concrete with the help of electromagnetic fields |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20012106A FI120604B (sv) | 2001-10-31 | 2001-10-31 | Förfarande för att förbättra noggrannheten hos fuktmätning baserad på elektriska egenskaper eller elektromagnetisk vågrörelse |
| FI20012106 | 2001-10-31 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI20012106A0 FI20012106A0 (sv) | 2001-10-31 |
| FI20012106A FI20012106A (sv) | 2003-05-01 |
| FI120604B true FI120604B (sv) | 2009-12-15 |
Family
ID=8562157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20012106A FI120604B (sv) | 2001-10-31 | 2001-10-31 | Förfarande för att förbättra noggrannheten hos fuktmätning baserad på elektriska egenskaper eller elektromagnetisk vågrörelse |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1308725B1 (sv) |
| AT (1) | ATE484743T1 (sv) |
| DE (1) | DE60237953D1 (sv) |
| DK (1) | DK1308725T3 (sv) |
| FI (1) | FI120604B (sv) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005036056A1 (de) * | 2005-08-01 | 2007-02-08 | Gerhard Wohlfarth | Vorrichtung und Verfahren zur Einsparung von Wasser und dadurch Zement bei der Herstellung von Beton |
| WO2014108798A2 (en) | 2013-01-11 | 2014-07-17 | Katzeff-Berman, Dully | Concrete mixture measurement sensor, system and method |
| DE202013102514U1 (de) * | 2013-06-11 | 2013-06-17 | Vega Grieshaber Kg | Füllstandmessgerät zur Feuchtigkeitsbestimmung |
| CN109732782A (zh) * | 2019-03-06 | 2019-05-10 | 武汉理工大学 | 一种混凝土含水率在线监控系统及监控方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4186952A (en) * | 1978-07-27 | 1980-02-05 | Keystone Consolidated Industries, Inc. | Turn button latch |
| US5025954A (en) | 1990-02-01 | 1991-06-25 | Hamburger Color Company | Multi-components measuring and dispensing system |
| JP3593377B2 (ja) * | 1995-01-31 | 2004-11-24 | 全国生コンクリート工業組合連合会 | コンクリート用細骨材の含水率測定方法およびその含水率測定に用いる装置 |
| JPH11211475A (ja) * | 1998-01-23 | 1999-08-06 | Kumagai Gumi Co Ltd | 水平レベル保持装置 |
| GB2359138B (en) | 2000-02-12 | 2004-06-16 | Stuart Ian Jackman | Method and apparatus for monitoring adsorbed water |
| FI20002280A (sv) * | 2000-10-16 | 2002-04-17 | Addtek Res & Dev Oy Ab | Förfarande och anordning för bestämning av fukthalt och konsistens hos ett granulärt material |
-
2001
- 2001-10-31 FI FI20012106A patent/FI120604B/sv not_active IP Right Cessation
-
2002
- 2002-10-28 DK DK02396158.4T patent/DK1308725T3/da active
- 2002-10-28 DE DE60237953T patent/DE60237953D1/de not_active Expired - Lifetime
- 2002-10-28 EP EP02396158A patent/EP1308725B1/en not_active Expired - Lifetime
- 2002-10-28 AT AT02396158T patent/ATE484743T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI20012106A0 (sv) | 2001-10-31 |
| EP1308725B1 (en) | 2010-10-13 |
| FI20012106A (sv) | 2003-05-01 |
| DE60237953D1 (de) | 2010-11-25 |
| EP1308725A1 (en) | 2003-05-07 |
| DK1308725T3 (da) | 2011-01-10 |
| ATE484743T1 (de) | 2010-10-15 |
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