EP2401598A1 - Dispositif de prélèvement d'échantillon gazeux - Google Patents

Dispositif de prélèvement d'échantillon gazeux

Info

Publication number
EP2401598A1
EP2401598A1 EP10722527A EP10722527A EP2401598A1 EP 2401598 A1 EP2401598 A1 EP 2401598A1 EP 10722527 A EP10722527 A EP 10722527A EP 10722527 A EP10722527 A EP 10722527A EP 2401598 A1 EP2401598 A1 EP 2401598A1
Authority
EP
European Patent Office
Prior art keywords
gas
flow
flow body
inlet opening
pipe
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP10722527A
Other languages
German (de)
English (en)
Inventor
Manfred Schubert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Group GmbH
Original Assignee
SMS Siemag AG
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 SMS Siemag AG filed Critical SMS Siemag AG
Publication of EP2401598A1 publication Critical patent/EP2401598A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2247—Sampling from a flowing stream of gas
    • G01N1/2258—Sampling from a flowing stream of gas in a stack or chimney
    • 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
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
    • G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters

Definitions

  • the invention relates to a device for gas sampling from a flowing gas through a pipe, in particular from the exhaust gas of a metallurgical furnace vessel, wherein the removal takes place through a suction line by means of a plunging into the gas stream, connected to a sample sucking analysis device flow body whose inlet opening in the flow direction the gas is open,
  • a sampling tube is gas-tight through the wall of the flowing gas
  • Extraction tube designed as a flow body.
  • the aspiration of the gas sample is carried out through an opening in the sampling tube, which in
  • Gas flow is located.
  • This device has an inner tube with which the extracted gas sample of the
  • Analytical device is supplied, wherein at the beginning of this tube, a particulate filter is arranged.
  • This innermost tube is surrounded by a second tube, which with the
  • the invention has for its object to simplify the device for gas sampling and at the same time to increase their service life.
  • This object is achieved according to the invention with a device for gas sampling from a gas flowing through a pipe, in particular from the exhaust gas of a metallurgical furnace vessel, wherein the removal takes place through a suction line by means of a plunging into the gas stream, connected to a sample sucking analysis device flow body whose Inlet opening in the flow direction of the gas is open, which is characterized in that the adjoining the inlet opening region is formed as a flow calming chamber.
  • a particle filter is arranged at the rear end of the flow calming chamber, at the rear side of which the suction line for the gas sample is connected.
  • the suction line is surrounded by a flushing pipe, with which a flushing medium from the back of the particle filter can be pressed therethrough.
  • the flow body has cavities, to which a hot water supply for cooling the flow body are connected.
  • the inlet opening can be arranged essentially tangentially opening in the flow body relative to the gas stream flowing past the flow body or also transversely in the flow body relative to the gas stream flowing past the flow body.
  • FIGS 1 to 3 schematically show three different embodiments of the flow body according to the invention.
  • the flow body is shown schematically, but not the line or the pipe through which the exhaust gas flows coming from the metallurgical vessel Substitute only the surrounding the flow body flow of the exhaust gas is indicated and designated 2.
  • the flow body itself is designated 1.
  • the flow body has an inlet opening 3, which in the embodiment shown in this figure is arranged transversely or perpendicular to the flowing exhaust gas. It is open in the direction of the flowing exhaust gas.
  • a flow calming chamber 4 connects. This serves to achieve at least a first deposition of dust particles contained in the exhaust gas.
  • a particle filter 5 is provided at the outlet side of which the suction pipe 6 for the sampling begins.
  • the suction pipe is surrounded by a flushing pipe 7 through which a flushing medium can be pressed against the suction of the sample gas from the rear side through the particle filter 5, in order to free it from deposits.
  • cavities 8 through which a coolant can flow, wherein the coolant may be, for example, 100 ° C. hot water.
  • the embodiment of the flow body 1 shown in FIG. 2 deviates so far from the embodiment according to FIG. 1, as here a back-side of the particle filter 5, a mechanical cleaning mechanism 9 is shown, in the manner of a pusher.
  • the design of the flow body according to FIG. 3 deviates so far from the two other embodiments shown in FIGS. 1 and 2, as here the inlet opening 3 is not arranged transversely to the flow direction of the exhaust gas in the flow body, but is opened in the lateral wall, that is, it is essentially tangentially open-based on the gas stream flowing past the flow body 1.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating And Analyzing Materials By Characteristic Methods (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

La présente invention concerne un dispositif de prélèvement d'échantillon gazeux à partir d'un gaz circulant dans une conduite, en particulier à partir d'une émanation de gaz issue d'une enceinte de four métallurgique, le prélèvement s'effectuant par une conduite d'aspiration au moyen d'un corps de circulation plongé dans le flux de gaz et raccordé à un dispositif d'analyse qui aspire l'échantillon, le corps de circulation présentant une ouverture d'entée qui est ouverte dans la direction de circulation du gaz. Selon l'invention, la zone qui se raccorde à l'ouverture d'entrée se présente sous la forme d'une chambre de stabilisation de flux.
EP10722527A 2009-02-27 2010-02-08 Dispositif de prélèvement d'échantillon gazeux Withdrawn EP2401598A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910010896 DE102009010896A1 (de) 2009-02-27 2009-02-27 Einrichtung zur Gasprobenentnahme
PCT/DE2010/000161 WO2010097070A1 (fr) 2009-02-27 2010-02-08 Dispositif de prélèvement d'échantillon gazeux

Publications (1)

Publication Number Publication Date
EP2401598A1 true EP2401598A1 (fr) 2012-01-04

Family

ID=42289170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10722527A Withdrawn EP2401598A1 (fr) 2009-02-27 2010-02-08 Dispositif de prélèvement d'échantillon gazeux

Country Status (3)

Country Link
EP (1) EP2401598A1 (fr)
DE (1) DE102009010896A1 (fr)
WO (1) WO2010097070A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021124693A1 (de) * 2021-09-23 2023-03-23 Sick Ag Messgassonde, Messsystem und Verfahren zur Messung von gasförmigen Rauchgasbestandteilen

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2428046A1 (de) * 1974-06-11 1976-01-02 Alsen Breitenburg Zement Und K Staubfilter
EP0116338A1 (fr) * 1983-02-07 1984-08-22 Rheinische Braunkohlenwerke AG. Dispositif pour le prélèvement d'échantillons de gaz d'un récipient
EP0324330A1 (fr) * 1988-01-11 1989-07-19 VOEST-ALPINE INDUSTRIEANLAGENBAU GESELLSCHAFT m.b.H. Dispositif de prélèvement d'échantillons de gaz chauds dans un réacteur

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1553090A (fr) * 1967-11-30 1969-01-10
US3559491A (en) * 1969-03-10 1971-02-02 Weyerhaeuser Co Gas sampling probe
EP0081637A1 (fr) * 1981-11-10 1983-06-22 Krupp Polysius Ag Appareil pour prélèvement et analyse d'échantillons contenant de la poussière
US4481833A (en) 1982-12-27 1984-11-13 Uop Inc. Particle excluding sample probe
DE3509038A1 (de) * 1985-03-14 1986-09-18 Skw Trostberg Ag, 8223 Trostberg Verfahren und vorrichtung zur entnahme und aufbereitung von gasen aus gasstroemen
GB8520273D0 (en) * 1985-08-13 1985-09-18 Smidth & Co As F L Extracting sample from gas flow
US5777241A (en) * 1997-02-06 1998-07-07 Evenson; Euan J. Method and apparatus for sampling and analysis of furnace off-gases
GB9810866D0 (en) 1998-05-20 1998-07-22 Boc Group Plc Furnace waste gas sampling
AT501713B1 (de) * 2005-09-22 2006-11-15 Voestalpine Mechatronics Gmbh Vorrichtung zur entnahme heisser gasproben aus einem reaktionsgefäss

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2428046A1 (de) * 1974-06-11 1976-01-02 Alsen Breitenburg Zement Und K Staubfilter
EP0116338A1 (fr) * 1983-02-07 1984-08-22 Rheinische Braunkohlenwerke AG. Dispositif pour le prélèvement d'échantillons de gaz d'un récipient
EP0324330A1 (fr) * 1988-01-11 1989-07-19 VOEST-ALPINE INDUSTRIEANLAGENBAU GESELLSCHAFT m.b.H. Dispositif de prélèvement d'échantillons de gaz chauds dans un réacteur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010097070A1 *

Also Published As

Publication number Publication date
DE102009010896A1 (de) 2010-09-02
WO2010097070A1 (fr) 2010-09-02

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