WO2004008117A3 - Method and apparatus for monitoring particles flowing in a stack - Google Patents
Method and apparatus for monitoring particles flowing in a stack Download PDFInfo
- Publication number
- WO2004008117A3 WO2004008117A3 PCT/GB2003/003073 GB0303073W WO2004008117A3 WO 2004008117 A3 WO2004008117 A3 WO 2004008117A3 GB 0303073 W GB0303073 W GB 0303073W WO 2004008117 A3 WO2004008117 A3 WO 2004008117A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- measurement beam
- particle flow
- stack
- particles flowing
- scattered
- Prior art date
Links
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
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- G01N21/532—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke with measurement of scattering and transmission
-
- 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
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
- G01N2021/536—Measurement device mounted at stack
-
- 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
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003251334A AU2003251334A1 (en) | 2002-07-15 | 2003-07-15 | Method and apparatus for monitoring particles flowing in a stack |
EP03764014A EP1535049A2 (en) | 2002-07-15 | 2003-07-15 | Method and apparatus for monitoring particles flowing in a stack |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0216381.4 | 2002-07-15 | ||
GB0216381A GB2390893A (en) | 2002-07-15 | 2002-07-15 | Method and apparatus for monitoring particles in a stack |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004008117A2 WO2004008117A2 (en) | 2004-01-22 |
WO2004008117A3 true WO2004008117A3 (en) | 2004-03-18 |
Family
ID=9940461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2003/003073 WO2004008117A2 (en) | 2002-07-15 | 2003-07-15 | Method and apparatus for monitoring particles flowing in a stack |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1535049A2 (en) |
AU (1) | AU2003251334A1 (en) |
GB (1) | GB2390893A (en) |
WO (1) | WO2004008117A2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2422897A (en) | 2005-02-02 | 2006-08-09 | Pcme Ltd | A monitor for monitoring particles flowing in a stack |
GB2436871A (en) * | 2006-04-04 | 2007-10-10 | Pcme Ltd | Optical beam dump for particle monitoring system |
GB2444952A (en) * | 2006-12-19 | 2008-06-25 | Pcme Ltd | Improvements in methods and apparatus for monitoring particles flowing in a stack |
GB2552680B (en) | 2016-08-02 | 2018-09-19 | Pcme Ltd | Apparatus and method for monitoring particle flow in a stack |
CN109253702B (en) * | 2018-11-08 | 2023-07-28 | 东莞职业技术学院 | PCB drilling quick overhaul method and equipment |
CN112014280B (en) * | 2020-08-27 | 2023-11-24 | 苏州亿利安机电科技有限公司 | On-line detection method of direct-reading dust concentration measuring instrument |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983004098A1 (en) * | 1982-05-10 | 1983-11-24 | United Technologies Corporation | Forward scattering laser particulate sensor |
EP0848243A2 (en) * | 1996-12-06 | 1998-06-17 | United Sciences, Inc. | Method and apparatus for monitoring particulates using beam-steered solid-state light source |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU873041A1 (en) * | 1978-01-24 | 1981-10-15 | Предприятие П/Я А-7555 | Photoelectric transducer |
US4249244A (en) * | 1978-05-03 | 1981-02-03 | Ppm, Inc. | Electro-optical system and method and apparatus for providing automatically-compensating, traceable calibration and zeroing for light scattering devices |
US4361403A (en) * | 1978-06-26 | 1982-11-30 | Loos Hendricus G | Multiple wavelength instrument for measurement of particle size distributions |
US4247205A (en) * | 1979-02-02 | 1981-01-27 | Measurex Corporation | Gas measuring apparatus with standardization means, and method therefor |
EP0271809B1 (en) * | 1986-12-08 | 1990-09-05 | Mitsubishi Denki Kabushiki Kaisha | Laser apparatus |
JPS63311144A (en) * | 1987-06-13 | 1988-12-19 | Horiba Ltd | Apparatus for measuring fine grain in liquid |
EP0361770A3 (en) * | 1988-09-30 | 1991-03-20 | Kowa Company Ltd. | Particle measuring method and apparatus |
US5028790A (en) * | 1990-05-07 | 1991-07-02 | Lear Siegler Measurement Controls Corporation | Apparatus for full-system zero check and window soiling measurement and correction for transmissometers |
US5269937A (en) * | 1990-10-23 | 1993-12-14 | Cetus Corporation | HPLC light scattering detector for biopolymers |
US5305073A (en) * | 1992-02-12 | 1994-04-19 | Precision Detectors, Inc. | Methods and apparatus for molecular characterization |
US5418615A (en) * | 1994-02-25 | 1995-05-23 | Axiom Analytical, Inc. | Probe for liquid sample analysis by light transmission |
US6137108A (en) * | 1998-06-17 | 2000-10-24 | Foss Nirsystems Incorporated | Instrument and method for spectroscopic analysis by reflectance and transmittance |
-
2002
- 2002-07-15 GB GB0216381A patent/GB2390893A/en not_active Withdrawn
-
2003
- 2003-07-15 WO PCT/GB2003/003073 patent/WO2004008117A2/en not_active Application Discontinuation
- 2003-07-15 AU AU2003251334A patent/AU2003251334A1/en not_active Abandoned
- 2003-07-15 EP EP03764014A patent/EP1535049A2/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983004098A1 (en) * | 1982-05-10 | 1983-11-24 | United Technologies Corporation | Forward scattering laser particulate sensor |
EP0848243A2 (en) * | 1996-12-06 | 1998-06-17 | United Sciences, Inc. | Method and apparatus for monitoring particulates using beam-steered solid-state light source |
Also Published As
Publication number | Publication date |
---|---|
GB2390893A (en) | 2004-01-21 |
GB0216381D0 (en) | 2002-08-21 |
AU2003251334A1 (en) | 2004-02-02 |
EP1535049A2 (en) | 2005-06-01 |
AU2003251334A8 (en) | 2004-02-02 |
WO2004008117A2 (en) | 2004-01-22 |
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