FI930766A - Method and apparatus for sampling solid media - Google Patents

Method and apparatus for sampling solid media Download PDF

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Publication number
FI930766A
FI930766A FI930766A FI930766A FI930766A FI 930766 A FI930766 A FI 930766A FI 930766 A FI930766 A FI 930766A FI 930766 A FI930766 A FI 930766A FI 930766 A FI930766 A FI 930766A
Authority
FI
Finland
Prior art keywords
filter
solids
sampling
flowing medium
filtrate chamber
Prior art date
Application number
FI930766A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI930766A0 (en
FI95839B (en
FI95839C (en
Inventor
Antti Korpela
Original Assignee
Keskuslaboratorio
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 Keskuslaboratorio filed Critical Keskuslaboratorio
Priority to FI930766A priority Critical patent/FI95839C/en
Publication of FI930766A0 publication Critical patent/FI930766A0/en
Priority to FI940109U priority patent/FI1348U1/en
Publication of FI930766A publication Critical patent/FI930766A/en
Publication of FI95839B publication Critical patent/FI95839B/en
Application granted granted Critical
Publication of FI95839C publication Critical patent/FI95839C/en

Links

Abstract

The invention relates to a process and a device for sampling a solids-containing flowing medium, such as the circulating water in a papermaking machine. According to the process, a filter 2 is used to separate off a filtrate which is at least essentially free of solids and which can be utilized for analysis. According to the invention, the sampling is effected by first sucking a desired volume of the medium through the filter 2 into a filtrate chamber 1 and then creating in the filtrate chamber 1 an overpressure in relation to the flowing medium, whereupon at least part of the material volume of the filtrate chamber can be squeezed out through the filter 2 to the flowing medium to enable solids accumulated on the surface of the filter to be washed away. With the aid of the invention, the cleaning requirement of various pick-ups which are used in on-line analysis of solids-containing liquids can be reduced and, at the same time, the reliability and working life of the pick-ups can be improved. <IMAGE>
FI930766A 1993-02-19 1993-02-19 Method and apparatus for sampling solid media FI95839C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI930766A FI95839C (en) 1993-02-19 1993-02-19 Method and apparatus for sampling solid media
FI940109U FI1348U1 (en) 1993-02-19 1994-02-21 Anordning Foer provtagning av fastaemneshaltiga medier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI930766A FI95839C (en) 1993-02-19 1993-02-19 Method and apparatus for sampling solid media
FI930766 1993-02-19

Publications (4)

Publication Number Publication Date
FI930766A0 FI930766A0 (en) 1993-02-19
FI930766A true FI930766A (en) 1994-08-20
FI95839B FI95839B (en) 1995-12-15
FI95839C FI95839C (en) 1996-03-25

Family

ID=8537431

Family Applications (1)

Application Number Title Priority Date Filing Date
FI930766A FI95839C (en) 1993-02-19 1993-02-19 Method and apparatus for sampling solid media

Country Status (1)

Country Link
FI (1) FI95839C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013098487A1 (en) * 2011-12-30 2013-07-04 Kemira Oyj Method and device for taking samples and use of the method and the device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI100919B (en) * 1995-06-01 1998-03-13 Bjarne Holmbom Method and apparatus for preparing a liquid sample
FI109482B (en) * 1996-12-10 2002-08-15 Abb Industry Oy Sampler, sampling method and method of purifying the sampling device
FI20060512A0 (en) * 2006-05-24 2006-05-24 Valtion Teknillinen Sampling Filters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013098487A1 (en) * 2011-12-30 2013-07-04 Kemira Oyj Method and device for taking samples and use of the method and the device

Also Published As

Publication number Publication date
FI930766A0 (en) 1993-02-19
FI95839B (en) 1995-12-15
FI95839C (en) 1996-03-25

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