IT1247004B - Metodo e dispositivo di misura della distribuzione granulometrica di particolato solido in flusso - Google Patents

Metodo e dispositivo di misura della distribuzione granulometrica di particolato solido in flusso

Info

Publication number
IT1247004B
IT1247004B ITFI910076A ITFI910076A IT1247004B IT 1247004 B IT1247004 B IT 1247004B IT FI910076 A ITFI910076 A IT FI910076A IT FI910076 A ITFI910076 A IT FI910076A IT 1247004 B IT1247004 B IT 1247004B
Authority
IT
Italy
Prior art keywords
flow
measuring device
solid particulate
light source
granulometric distribution
Prior art date
Application number
ITFI910076A
Other languages
English (en)
Inventor
Giuseppe Longobardi
Franco Francini
Carlo Castellini
Original Assignee
Ottica Ist Naz
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 Ottica Ist Naz filed Critical Ottica Ist Naz
Priority to ITFI910076A priority Critical patent/IT1247004B/it
Publication of ITFI910076A0 publication Critical patent/ITFI910076A0/it
Priority to EP19920830145 priority patent/EP0507746A3/en
Priority to JP4082506A priority patent/JPH06174628A/ja
Publication of ITFI910076A1 publication Critical patent/ITFI910076A1/it
Application granted granted Critical
Publication of IT1247004B publication Critical patent/IT1247004B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • G01N15/0227—Investigating particle size or size distribution by optical means using imaging; using holography
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N2015/0042—Investigating dispersion of solids
    • G01N2015/0053—Investigating dispersion of solids in liquids, e.g. trouble
    • 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
    • G01N2021/1765—Method using an image detector and processing of image signal
    • G01N2021/177—Detector of the video camera type
    • 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
    • G01N2201/06—Illumination; Optics
    • G01N2201/069—Supply of sources
    • G01N2201/0696—Pulsed
    • G01N2201/0697—Pulsed lasers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Abstract

Il dispositivo di misura della distribuzione granulometrica tramite analisi di immagine comprende una sorgente di illuminazione (1), un mezzo (3) di rilevamento dell'immagine delle particelle contenute nel campione da misurare, proiettata da detta sorgente luminosa su detto mezzo di rilevamento, e mezzi di elaborazione dei segnali rilevati da detto mezzo di rilevamento; la sorgente di illuminazione (1) è una sorgente ad impulsi e tra la sorgente di illuminazione (1) ed il mezzo di rilevamento (3) è disposta una cella di misura (5) con mezzi per consentire un flusso continuo del campione. (Fig. 2)
ITFI910076A 1991-04-03 1991-04-03 Metodo e dispositivo di misura della distribuzione granulometrica di particolato solido in flusso IT1247004B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITFI910076A IT1247004B (it) 1991-04-03 1991-04-03 Metodo e dispositivo di misura della distribuzione granulometrica di particolato solido in flusso
EP19920830145 EP0507746A3 (en) 1991-04-03 1992-03-25 Method and device for measuring the particle size distribution of a flowing solid particulate substance
JP4082506A JPH06174628A (ja) 1991-04-03 1992-04-03 流れる固体粒子状物質の粒子の大きさの分布を測定するための方法および装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITFI910076A IT1247004B (it) 1991-04-03 1991-04-03 Metodo e dispositivo di misura della distribuzione granulometrica di particolato solido in flusso

Publications (3)

Publication Number Publication Date
ITFI910076A0 ITFI910076A0 (it) 1991-04-03
ITFI910076A1 ITFI910076A1 (it) 1992-10-03
IT1247004B true IT1247004B (it) 1994-12-12

Family

ID=11349557

Family Applications (1)

Application Number Title Priority Date Filing Date
ITFI910076A IT1247004B (it) 1991-04-03 1991-04-03 Metodo e dispositivo di misura della distribuzione granulometrica di particolato solido in flusso

Country Status (3)

Country Link
EP (1) EP0507746A3 (it)
JP (1) JPH06174628A (it)
IT (1) IT1247004B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4215908A1 (de) * 1992-05-14 1993-11-18 Ubbo Prof Dr Ricklefs Optische Einrichtung zur Bestimmung der Größe von Partikeln
US6049381A (en) * 1993-10-29 2000-04-11 The United States Of America As Represented By The Secretary Of The Navy Real time suspended particle monitor
US5572320A (en) * 1994-11-17 1996-11-05 The United States Of America As Represented By The Secretary Of The Navy Fluid sampler utilizing optical near-field imaging
JP2000502446A (ja) * 1995-12-18 2000-02-29 センター フォー ラボラトリー テクノロジー，インク． 血液診断装置及び判定方法
GB2396023A (en) * 2002-10-05 2004-06-09 Oxford Lasers Ltd Imaging system with purging device to prevent adhesion of particles
US7307717B2 (en) 2005-09-16 2007-12-11 Lockheed Martin Corporation Optical flow cell capable of use in high temperature and high pressure environment
US7518720B2 (en) 2007-08-01 2009-04-14 Lockheed Martin Corporation Optical flow cell for use in high temperature and/or high pressure environments
AT515577B1 (de) * 2014-03-12 2018-06-15 Anton Paar Gmbh Gemeinsamer Strahlungspfad zum Ermitteln von Partikel-information durch Direktbildauswertung und durch Differenzbildanalyse
DK3348993T3 (da) * 2017-01-11 2020-03-30 Atten2 Advanced Monitoring Tech S L Overvågningssystem og fremgangsmåde til detektering af strømmende mikroskopiske objekter
CN108593504A (zh) * 2017-12-26 2018-09-28 中国人民解放军第四军医大学 一种可检测pm2.5大小和形状的装置设计方法
CN108152175A (zh) * 2017-12-26 2018-06-12 中国人民解放军第四军医大学 基于悬浮时间差的成像法重金属检测方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136950A (en) * 1976-11-08 1979-01-30 Labrum Engineering, Inc. Microscope system for observing moving particles
DE2855583C2 (de) * 1977-12-29 1984-07-12 Sumitomo Metal Industries, Ltd., Osaka Verfahren zur Bestimmung der Korngrößenverteilung von Korngemischen
DE2853703A1 (de) * 1978-12-13 1980-07-03 Leitz Ernst Gmbh Kuevette zur mikroskopischen beobachtung und/oder optisch- elektrischen messung von in einer fluessigkeit suspendierten teilchen
US4283128A (en) * 1980-06-23 1981-08-11 The United States Of America As Represented By The Administrator Of The U.S. Environmental Protection Agency Photomicrographic system for flowing fluids
GB2095827B (en) * 1981-03-31 1985-07-03 Wool Dev Int Measurement of diameters of small objects
JPH073419B2 (ja) * 1986-10-07 1995-01-18 東亜医用電子株式会社 流体中の細胞分析方法および装置
FR2632729B1 (fr) * 1988-06-14 1990-08-31 Ysebaert Sa Dispositif de prelevement, de transport et d'analyse d'echantillons liquides contenant des particules en suspension, et sa cellule d'observation

Also Published As

Publication number Publication date
EP0507746A2 (en) 1992-10-07
JPH06174628A (ja) 1994-06-24
EP0507746A3 (en) 1993-05-26
ITFI910076A1 (it) 1992-10-03
ITFI910076A0 (it) 1991-04-03

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Legal Events

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0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950427