HK8489A - Filter cleaning system for opacity monitor - Google Patents

Filter cleaning system for opacity monitor

Info

Publication number
HK8489A
HK8489A HK84/89A HK8489A HK8489A HK 8489 A HK8489 A HK 8489A HK 84/89 A HK84/89 A HK 84/89A HK 8489 A HK8489 A HK 8489A HK 8489 A HK8489 A HK 8489A
Authority
HK
Hong Kong
Prior art keywords
cleaning system
filter cleaning
opacity monitor
opacity
monitor
Prior art date
Application number
HK84/89A
Other languages
English (en)
Inventor
George R Ii Hall
Original Assignee
Babcock & Wilcox Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Babcock & Wilcox Co filed Critical Babcock & Wilcox Co
Publication of HK8489A publication Critical patent/HK8489A/xx

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
    • G01N21/59—Transmissivity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/44—Auxiliary equipment or operation thereof controlling filtration
    • B01D46/46—Auxiliary equipment or operation thereof controlling filtration automatic
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
    • 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
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
    • G01N2021/151—Gas blown
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/127—Calibration; base line adjustment; drift compensation
    • G01N2201/12723—Self check capacity; automatic, periodic step of checking

Landscapes

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Measuring Cells (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
HK84/89A 1984-03-30 1989-01-26 Filter cleaning system for opacity monitor HK8489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/595,205 US4583859A (en) 1984-03-30 1984-03-30 Filter cleaning system for opacity monitor

Publications (1)

Publication Number Publication Date
HK8489A true HK8489A (en) 1989-02-03

Family

ID=24382218

Family Applications (1)

Application Number Title Priority Date Filing Date
HK84/89A HK8489A (en) 1984-03-30 1989-01-26 Filter cleaning system for opacity monitor

Country Status (12)

Country Link
US (1) US4583859A (xx)
EP (1) EP0159157B1 (xx)
JP (1) JPS60225048A (xx)
KR (1) KR900003054B1 (xx)
AU (1) AU565315B2 (xx)
BR (1) BR8500995A (xx)
CA (1) CA1261768A (xx)
DE (1) DE3564344D1 (xx)
ES (1) ES8603648A1 (xx)
HK (1) HK8489A (xx)
IN (1) IN161968B (xx)
MX (1) MX163119B (xx)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4896047A (en) * 1988-04-11 1990-01-23 Westinghouse Electric Corp. Method and apparatus of periodically obtaining accurate opacity monitor readings of an exhaust gas stream
US5001463A (en) * 1989-02-21 1991-03-19 Hamburger Robert N Method and apparatus for detecting airborne allergen particulates
JPH0376153U (xx) * 1989-11-28 1991-07-30
JPH0440344A (ja) * 1990-06-05 1992-02-10 Fuji Electric Co Ltd 浮遊粒子濃度の測定装置
DE4133452A1 (de) * 1990-10-16 1992-04-23 Volkswagen Ag Vorrichtung zur dynamischen messung der partikeldichte in einer gasstroemung
SE9101259D0 (sv) * 1991-04-25 1991-04-25 Fladda Mcs Ab Metod foer att kompensera foer ljusintensitetsfoeraendringar i ett optiskt maetgap vid bestaemning av halten suspenderat material
US5195356A (en) * 1991-07-11 1993-03-23 Houston Industries Incorporated Test assembly for flue gas monitors
GB2288231B (en) * 1991-10-22 1996-02-21 Marconi Gec Ltd Light emitting diode assembly
SE508805C2 (sv) * 1991-12-04 1998-11-09 Opsis Ab Optisk analysutrustning för gasformiga ämnen som strömmar i en kanal
US5321274A (en) * 1992-09-21 1994-06-14 Industrial Technology Research Institute Automatic intermittent energization controller of electrostatic precipitator (ESP)
US5352901A (en) * 1993-04-26 1994-10-04 Cummins Electronics Company, Inc. Forward and back scattering loss compensated smoke detector
US5424842A (en) * 1993-04-27 1995-06-13 Cummins Electronics Company, Inc. Self-cleaning system for monitoring the opacity of combustion engine exhaust using venturi effect
WO1995029399A1 (en) * 1994-04-22 1995-11-02 Bha Group, Inc. Continuous particulate emissions monitor calibrator
US5760911A (en) * 1994-04-22 1998-06-02 Bha Group Holdings, Inc. Continuous particulate emissions monitor calibrator
US6087947A (en) * 1996-07-11 2000-07-11 Robert N. Hamburger Allergen detector system and method
US5969622A (en) * 1997-10-07 1999-10-19 Robert N. Hamburger Allergen detector system and method
US6512223B1 (en) * 2000-10-16 2003-01-28 Wedgewood Technology, Inc. Photometric detector assembly with internal calibration filters
NL1019974C1 (nl) * 2001-02-19 2002-08-20 Food Processing Systems Calibrator voor het calibreren van een lichtbundel.
US6565352B2 (en) * 2001-04-09 2003-05-20 Ken E. Nielsen Smoke density monitor
DE10121932A1 (de) * 2001-05-05 2002-11-07 Linde Ag Vorrichtung und Verfahren zur spektroskopischen Messung einer Gaskonzentration
US7012685B1 (en) * 2001-08-06 2006-03-14 Wilson David J Clogged filter detector
US20050128486A1 (en) * 2002-04-24 2005-06-16 Linde Aktiengesellschaft Device and method for spectroscopically measuring a gas concentration by determining a single absorption line
GB2396023A (en) * 2002-10-05 2004-06-09 Oxford Lasers Ltd Imaging system with purging device to prevent adhesion of particles
US7053783B2 (en) * 2002-12-18 2006-05-30 Biovigilant Systems, Inc. Pathogen detector system and method
US6977365B1 (en) 2003-01-28 2005-12-20 Wedgewood Analytical Inc. Photometric detector assembly with automated calibration filters
US7430046B2 (en) * 2004-07-30 2008-09-30 Biovigilant Systems, Inc. Pathogen and particle detector system and method
DE602005011398D1 (de) * 2005-02-22 2009-01-15 Siemens Ag Verfahren und Vorrichtung zum Nachweis von Spurengasen
WO2006123056A2 (fr) * 2005-05-18 2006-11-23 Scheffer Coatings Dispositif et procede de caracterisation optique de corps translucides et/ou opaques
WO2007011854A2 (en) * 2005-07-15 2007-01-25 Biovigilant Systems, Inc. Pathogen and particle detector system and method
GB0519430D0 (en) * 2005-09-23 2005-11-02 Land Instr Int Ltd Cross-stack monitor etc
US20090048381A1 (en) 2007-08-16 2009-02-19 Nova Chemical Inc. Process for making polyolefin clay nanocomposites
US8628976B2 (en) 2007-12-03 2014-01-14 Azbil BioVigilant, Inc. Method for the detection of biologic particle contamination
US8086424B2 (en) * 2008-07-11 2011-12-27 General Electric Company Method for determining life of filters in bag house
US8077317B2 (en) * 2009-04-09 2011-12-13 Kidde Technologies, Inc. Sensor head for a dry powder agent
AU2010269127B2 (en) * 2009-07-07 2015-01-22 Garrett Thermal Systems Limited Chamber condition
CN102639983A (zh) * 2009-12-04 2012-08-15 西门子公司 用于在管道气体监控系统中确定光学测量路径长度的方法
AT11938U3 (de) * 2011-03-15 2012-01-15 Avl List Gmbh Streulichtmessgerät
US8744780B2 (en) 2012-04-27 2014-06-03 Filtersmarts, Inc. Detector for clogged filters
DE102013203109A1 (de) 2013-02-26 2014-08-28 Siemens Aktiengesellschaft Staubleitung mit optischem Sensor und Verfahren zur Messung der Zusammensetzung von Staub
CN103558187A (zh) * 2013-11-02 2014-02-05 中国工程物理研究院流体物理研究所 水雾浓度测量装置及测量方法
EP3018423B1 (en) * 2014-11-04 2019-08-07 Samsung Electronics Co., Ltd. Contamination sensor, air purifier having the same and control method thereof
US10078948B2 (en) * 2016-01-26 2018-09-18 Honeywell International Inc. Smoke detector with a double optical chamber
US9933335B2 (en) * 2016-06-17 2018-04-03 Wisconsin Alumni Research Foundation Combustion gas sensor assembly for engine control
GB2567230B (en) 2017-10-09 2020-03-04 Thermo Fisher Scient Bremen Gmbh Detector protection in an optical emission spectrometer
US10436709B2 (en) * 2018-01-19 2019-10-08 Endress+Hauser Conducta Inc. Calibration unit for optical detector
CN110440853B (zh) * 2019-07-24 2024-05-17 沈阳工程学院 一种监控除尘系统
KR102585323B1 (ko) 2019-08-28 2023-10-05 삼성중공업 주식회사 블로우 다운 시스템

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1784339A (en) * 1928-10-01 1930-12-09 Beth Ag Maschf Filtering apparatus
US1969626A (en) * 1931-08-14 1934-08-07 Simon Alfred Walter Smoke density meter device
US2796950A (en) * 1955-04-11 1957-06-25 Jr Henry Johnson Hersey Filter
ZA713962B (en) * 1971-03-30 1972-05-31 Provenair Ltd Improvements in or relating to air filters
US3803814A (en) * 1972-02-28 1974-04-16 C Parsons Dust filter
IT989347B (it) * 1972-06-23 1975-05-20 Bayer Ag Fotometro d esercizio ad autocom pensazione
US3826577A (en) * 1972-12-07 1974-07-30 Commercial Electronics Inc Gas analyzing apparatus
US3973852A (en) * 1974-08-30 1976-08-10 The Dow Chemical Company Method and apparatus for measuring particulate concentration in the atmosphere
US3994601A (en) * 1975-07-25 1976-11-30 Brugger Richard D Dynamic calibration unit for a transmissometer
AT357348B (de) * 1977-09-20 1980-07-10 Inst Cercetari Moderniza Opazitaetsmessgeraet zur bestimmung der anwesen- heit fester, undurchsichtiger, in einem durch- sichtigen medium ungleichmaessig verteilter partikel
US4247205A (en) * 1979-02-02 1981-01-27 Measurex Corporation Gas measuring apparatus with standardization means, and method therefor
US4381153A (en) * 1980-08-28 1983-04-26 The Babcock & Wilcox Company Opacity monitor

Also Published As

Publication number Publication date
MX163119B (es) 1991-08-28
EP0159157A1 (en) 1985-10-23
ES541327A0 (es) 1985-12-16
KR900003054B1 (ko) 1990-05-04
CA1261768A (en) 1989-09-26
KR850006616A (ko) 1985-10-14
AU4054385A (en) 1985-10-03
AU565315B2 (en) 1987-09-10
ES8603648A1 (es) 1985-12-16
JPH0543060B2 (xx) 1993-06-30
EP0159157B1 (en) 1988-08-10
BR8500995A (pt) 1985-10-29
US4583859A (en) 1986-04-22
JPS60225048A (ja) 1985-11-09
IN161968B (xx) 1988-03-05
DE3564344D1 (en) 1988-09-15

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