DK200201515A - Method and apparatus for sampling and determining the characteristics of a liquid sample - Google Patents

Method and apparatus for sampling and determining the characteristics of a liquid sample Download PDF

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Publication number
DK200201515A
DK200201515A DK200201515A DKPA200201515A DK200201515A DK 200201515 A DK200201515 A DK 200201515A DK 200201515 A DK200201515 A DK 200201515A DK PA200201515 A DKPA200201515 A DK PA200201515A DK 200201515 A DK200201515 A DK 200201515A
Authority
DK
Denmark
Prior art keywords
liquid sample
determining
liquid
sampling
bypass arrangement
Prior art date
Application number
DK200201515A
Other languages
Danish (da)
Inventor
Niels Flemming Greve Hansen
Mogens Benny Nielsen
Original Assignee
Niels Flemming Greve Hansen
Mogens Benny Nielsen
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 Niels Flemming Greve Hansen, Mogens Benny Nielsen filed Critical Niels Flemming Greve Hansen
Priority to DK200201515A priority Critical patent/DK175416B1/en
Priority to EP03750389A priority patent/EP1554558A1/en
Priority to PCT/DK2003/000663 priority patent/WO2004034035A1/en
Publication of DK200201515A publication Critical patent/DK200201515A/en
Application granted granted Critical
Publication of DK175416B1 publication Critical patent/DK175416B1/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N35/1095—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices for supplying the samples to flow-through analysers
    • G01N35/1097—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices for supplying the samples to flow-through analysers characterised by the valves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14—Suction devices, e.g. pumps; Ejector devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
    • G01N1/2035—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials by deviating part of a fluid stream, e.g. by drawing-off or tapping
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N2001/1031—Sampling from special places
    • 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
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G01N2015/084—Testing filters

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Hydrology & Water Resources (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Measuring Cells (AREA)

Description

PATENTKRAV 1. Fremgangsmåde til udtagning og bestemmelse af karakteristika ved en væskeprøve, kendetegnet ved, at væskeprøven udtages i et bypass-arrangement og omfatter følgende trin - væskeprøven suges fra en rørsektion af et procesanlæg ind i en overvejende lodret rørstrækning af bypass-arrangementet ved hjælp af en pumpe, - en første prøveventil afspærres, og der etableres undertryk i væskeprøven ved hjælp af pumpen, - en anden prøveventil afspærres, og væskeprøven i nævnte rørstrækning sammenpresses ved hjælp af et stempel, - ved hjælp af et måleapparat bestemmes karakteristika ved væskeprøven, - væskeprøven ledes fortrinsvis tilbage til nævnte rørsektion af procesanlægget. 2. Fremgangsmåde ifølge krav 1, kendetegnet ved, at væskeprøven opvarmes og/eller nedkøles før henholdsvis efter bestemmelse af karakteristika ved væskeprøven 3. Fremgangsmåde ifølge et hvilket som helst af kravene 1-2, kendetegnet ved, at karakteristika bestemt ved væskeprøven udveksles ved hjælp af en styrings- og kommunikationsenhed, for eksempel væskeprøvens turbiditet, farve, temperatur og/eller sammensætning (analyse). 4. Apparat til udtagning og bestemmelse af karakteristika ved en væskeprøve jf. fremgangmåden ifølge krav 1, kendetegnet ved, at apparatet omfatter et bypass-arrangement, der omfatter en overvejende lodret rørstrækning, mindst to afspærringsventiler, en første og en anden prøveventil, mindst et udtag for mindst et måleapparat, mindst et stempel, og mindst en pumpe, hvor nævnte afspærringsventiler er placeret i bypass-arrangementet i umiddelbar nærhed af en rørsektion af et procesanlæg, hvor udtaget for nævnte måleapparat og nævnte stempel er placeret i bypass-arrangementet på nævnte lodrette rørstrækning mellem nævnte prøveventiler, og hvor pumpen er placeret i bypass-arrangementet efter nævnte anden prøveventil og før en af nævnte afspærri ngsventiler. 5. Apparat ifølge krav 4, kendetegnet ved, at bypass-arrangementet for hver af nævnte udtag omfatter en varmeveksler, med en sektion på hver sin side af nævnte prøveudtag. 6. Apparat ifølge krav 5, kendetegnet ved, at nævnte varmeveksler er indrettet til at tilsluttes et varme- og/eller kølemedie. 7. Apparat ifølge krav 4 og 6, kendetegnet ved, at nævnte varme og/eller kølemedie er luft, væske, eller elektrisk energi. 8. Apparat ifølge kravene 4-7, kendetegnet ved, at nævnte by-pas arrangement inklusiv nævnte lodrette rørstrækning er forberedt til fortrinsvis flangemontering i en rørsektion af et procesanlæg. 9. Apparat ifølge et hvilket som helst af kravene 4-8, kendetegnet ved, at nævnte måleapparat er indrettet til bestemmelse af en væskes turbitet, en væskes farve, en væskes temperatur eller en væskes sammensætning. 10. Apparat ifølge et hvilket som helst af kravene 4-9, kendetegnet ved, at ap-paratet endvidere omfatter en elektronisk styring omfattende et display og med tilhørende sensorer samt en kommunikationsenhed.A method for taking and determining the characteristics of a liquid sample, characterized in that the liquid sample is taken in a bypass arrangement and comprises the following steps - the liquid sample is sucked from a pipe section of a process plant into a predominantly vertical pipe stretch of the bypass arrangement. of a pump, - a first test valve is shut off and negative pressure is established in the liquid sample by means of the pump, - a second test valve is blocked and the liquid sample in the said pipe section is compressed by means of a plunger, - the characteristics of the liquid test are determined by means of a measuring device, - the liquid sample is preferably returned to said pipe section of the processing plant. Process according to claim 1, characterized in that the liquid sample is heated and / or cooled before, respectively, after determining the characteristics of the liquid sample. 3. A method according to any one of claims 1-2, characterized in that the characteristics determined by the liquid sample are exchanged by means of of a control and communication device, for example, fluid turbidity, color, temperature and / or composition (analysis). Apparatus for sampling and determining the characteristics of a liquid sample according to the method of claim 1, characterized in that the apparatus comprises a bypass arrangement comprising a predominantly vertical pipe stretch, at least two shut-off valves, a first and a second test valve, at least one outlet for at least one measuring apparatus, at least one plunger, and at least one pump, wherein said shut-off valves are located in the bypass arrangement in the immediate vicinity of a pipe section of a processing plant, wherein the outlet for said measuring apparatus and said plunger is located in the bypass arrangement of said vertical piping between said test valves and wherein the pump is located in the bypass arrangement after said second test valve and before one of said shut-off valves. Apparatus according to claim 4, characterized in that the bypass arrangement for each of said outlets comprises a heat exchanger, with a section on each side of said sample outlet. Apparatus according to claim 5, characterized in that said heat exchanger is adapted to be connected to a heating and / or cooling medium. Apparatus according to claims 4 and 6, characterized in that said heat and / or refrigerant is air, liquid, or electrical energy. Apparatus according to claims 4-7, characterized in that said bypass arrangement including said vertical pipe stretch is prepared for preferably flange mounting in a pipe section of a processing plant. Apparatus according to any one of claims 4-8, characterized in that said measuring apparatus is arranged for determining the turbidity of a liquid, the color of a liquid, the temperature of a liquid or the composition of a liquid. Apparatus according to any one of claims 4-9, characterized in that the apparatus further comprises an electronic control comprising a display and with associated sensors as well as a communication unit.

DK200201515A 2002-10-09 2002-10-09 Method and apparatus for sampling and determining the characteristics of a liquid sample DK175416B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DK200201515A DK175416B1 (en) 2002-10-09 2002-10-09 Method and apparatus for sampling and determining the characteristics of a liquid sample
EP03750389A EP1554558A1 (en) 2002-10-09 2003-10-07 Procedure and instrument for measurement of the characteristics of fluids
PCT/DK2003/000663 WO2004034035A1 (en) 2002-10-09 2003-10-07 Procedure and instrument for measurement of the characteristics of fluids

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK200201515 2002-10-09
DK200201515A DK175416B1 (en) 2002-10-09 2002-10-09 Method and apparatus for sampling and determining the characteristics of a liquid sample

Publications (2)

Publication Number Publication Date
DK200201515A true DK200201515A (en) 2004-04-10
DK175416B1 DK175416B1 (en) 2004-10-04

Family

ID=32087890

Family Applications (1)

Application Number Title Priority Date Filing Date
DK200201515A DK175416B1 (en) 2002-10-09 2002-10-09 Method and apparatus for sampling and determining the characteristics of a liquid sample

Country Status (3)

Country Link
EP (1) EP1554558A1 (en)
DK (1) DK175416B1 (en)
WO (1) WO2004034035A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3045891A1 (en) * 2015-01-13 2016-07-20 Nemewo ApS Optical characterization system for a process plant
DE102016007094B3 (en) * 2016-06-10 2016-12-22 Qfood Gmbh Sampling device for taking beverage samples from a beverage line containing a pressurized gaseous beverage

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1207664B (en) * 1961-05-29 1965-12-23 Licentia Gmbh Method for measuring the density of liquids with gas inclusions and device for carrying out the method
DE2306211B2 (en) * 1973-02-08 1976-12-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt SAMPLING DEVICE FOR RADIOACTIVE OR AGGRESSIVE LIQUID AND STEAM MEDIA FLOWING IN LINES
JPS5135392A (en) * 1974-09-20 1976-03-25 Nishihara Env San Res Co Ltd
GB2009398B (en) * 1977-11-28 1982-05-26 Univ Queensland Radiation measurements on mineral slussies
US4181009A (en) * 1978-04-24 1980-01-01 Clark Equipment Company Apparatus for counting particle contamination in a liquid
US4823622A (en) * 1986-12-16 1989-04-25 Spectra Physics Sample metering valve for a sample preparation system
JPS63124932A (en) * 1986-11-14 1988-05-28 Tsukishima Kikai Co Ltd Method and device for measuring fine particle in air-bubble containing liquid
US4800761A (en) * 1987-05-29 1989-01-31 Spencer R Wilson Sample extraction system
GB8927371D0 (en) * 1989-12-04 1990-01-31 Ucc Corp Flow monitor

Also Published As

Publication number Publication date
DK175416B1 (en) 2004-10-04
EP1554558A1 (en) 2005-07-20
WO2004034035A1 (en) 2004-04-22

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Effective date: 20181009